CN211939844U

CN211939844U - Full-automatic production line for carrier roller

Info

Publication number: CN211939844U
Application number: CN202020657446.2U
Authority: CN
Inventors: 张兆龙; 许传阳; 庄丽萍; 徐淑晓; 高运禄
Original assignee: Haihui Group Co ltd
Current assignee: Haihui Group Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-11-17
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a full-automatic carrier roller production line, which comprises a pipe automatic feeding mechanism for automatically outputting pipe raw materials, a conveying fixed-length cutting mechanism for conveying the pipe raw materials and cutting the pipe raw materials into roller workpieces in a fixed length manner, an automatic head assembling mechanism for automatically assembling a head and the roller workpieces, an automatic head welding mechanism for automatically welding the roller bodies and the heads, an automatic center shaft assembling mechanism for automatically assembling a center shaft and the roller workpieces and an automatic bearing assembling mechanism for automatically assembling bearings and the roller workpieces in sequence along the movement direction of the roller bodies; the utility model has the advantages of simple structure and reasonable design, can realize automatic feeding, transport, cut to length unloading, head self-welding, the automatic assembly of assembly, center pin, bearing through remote control, continuous production can be realized to whole process, and degree of automation is high, and artifical low in labor strength, the security is high.

Description

Full-automatic production line for carrier roller

Technical Field

The utility model relates to an automatic production line especially relates to a full-automatic production line of bearing roller.

Background

The carrier roller comprises a long cylindrical roller body, a central shaft arranged in the roller body, end sockets arranged at two ends of the roller body and bearings, wherein the end sockets are bearing seats for mounting the bearings; the production process of the carrier roller in the prior art comprises the following steps: manual pipe lifting, manual cutting, manual assembly, welding and the like. In the production process, most steps of the process are directly finished by manual production, so that the production efficiency is low, the labor intensity of workers is high, the workpieces are moved in the form of manual operation, traveling crane hoisting or manual carrying from blanking to product forming in the production process, the workpieces are carried back and forth at a plurality of stations, the time is wasted, and the potential safety hazard is easy to appear. For example, in pipe handling, pipe handling and movement are both manually operated, and generally need to be completed by multiple persons in cooperation with equipment such as a travelling crane. Especially when carrying longer tubular product, because the tubular product is longer, appear the tubular product phenomenon of droing easily in handling, influence operating personnel's safety, also pound other equipment in the tubular product below bad easily, artifical transport is wasted time and energy simultaneously, and is inefficient. Therefore, it is highly desirable to provide a fully automatic production line capable of realizing carrier rollers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a full automatic production line of reasonable in design, automatic feeding, transport, scale cutting unloading, automatic assembly, welded bearing roller is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: the full-automatic carrier roller production line sequentially comprises a pipe automatic feeding mechanism for automatically outputting pipe raw materials, a conveying fixed-length cutting mechanism for conveying the pipe raw materials and cutting the pipe raw materials into roller workpieces in a fixed-length mode, an end socket automatic assembling mechanism for automatically assembling an end socket and the roller workpieces, an end socket automatic welding mechanism for automatically welding the roller bodies and the end sockets, a center shaft automatic assembling mechanism for automatically assembling a center shaft and the roller workpieces, and a bearing automatic assembling mechanism for automatically assembling bearings and the roller workpieces along the movement direction of the roller bodies.

According to the preferable technical scheme, the conveying, sizing and cutting mechanism comprises a pipe automatic travelling mechanism which is arranged at the blanking end of the pipe automatic feeding mechanism and used for conveying pipe raw materials along the axial direction of the pipe raw materials, a pipe automatic cutting device for cutting the pipe raw materials into roller body workpieces is arranged at the discharge end of the pipe automatic travelling mechanism, a workpiece automatic travelling mechanism for conveying the roller body workpieces is arranged at the discharge end of the pipe automatic cutting device, and a workpiece automatic sizing device which is matched with the pipe automatic cutting device and used for determining the cutting length of the roller body workpieces is further arranged on the workpiece automatic travelling mechanism; the output end of the automatic workpiece travelling mechanism is also provided with a workpiece rotating device which is used for rotating the roller workpiece by 90 degrees and inputting the roller workpiece into the automatic seal head assembling mechanism.

As a preferred technical proposal, the automatic pipe travelling mechanism comprises a travelling mechanism fixing frame body, a plurality of pipe supporting rollers for supporting the pipe raw materials are uniformly arranged on the walking mechanism fixing frame body, the pipe walking bracket moving along the axis direction of the pipe raw material is arranged on the walking mechanism fixing bracket body, a walking bracket driving device for driving the pipe walking bracket to move is arranged between the pipe walking bracket and the walking mechanism fixing bracket body, the upper part of the pipe travelling bracket is oppositely provided with two pipe tail end clamping devices which are used for clamping the tail end of the pipe raw material in a matching way, the discharge end of the walking mechanism fixing frame body is also provided with a pipe head end side clamping device for assisting in clamping the head end of the raw material of the pipe, and the fixed frame body of the travelling mechanism is also provided with a pipe end part aligning device for positioning the first end and the last end of the raw material of the pipe.

According to the preferable technical scheme, the automatic workpiece traveling mechanism comprises a workpiece traveling frame body, a plurality of workpiece supporting rollers used for supporting the workpiece on the roller body are uniformly arranged on the workpiece traveling frame body, and a roller driving device for driving the workpiece supporting rollers to rotate is further installed on the workpiece traveling frame body.

According to the technical scheme, the automatic workpiece sizing device comprises a sizing installation seat plate which is detachably mounted on the workpiece walking frame body, a sizing driving telescopic cylinder is hinged to the bottom end of the sizing installation seat plate, a workpiece sizing swing arm which swings and switches between a vertical limiting state and a horizontal avoiding state is mounted on the sizing installation seat plate, the middle of the workpiece sizing swing arm is hinged to the sizing installation seat plate, a workpiece sizing baffle used for limiting the end portion of a pipe raw material is mounted at the top of the workpiece sizing swing arm, and the bottom end of the workpiece sizing swing arm is hinged to the sizing driving telescopic cylinder.

As preferred technical scheme, tubular product automatic feeding mechanism includes tubular product storage support body, the top setting of tubular product storage support body is used for placing the tubular product raw materials and is the orientation the tubular product storage flitch of the automatic running gear downward sloping of tubular product, the correspondence of both ends is provided with around the tubular product storage support body and is used for exporting the tubular product raw materials automatically extremely automatic feeding device on the automatic running gear of tubular product.

As the preferred technical scheme, head automatic assembly mechanism is including setting up the work piece assembly jacking device that is used for upwards holding up the roll body work piece below the head assembly transfer chain and setting up and press from both sides the work piece assembly clamp that switches over between the station and the upper end equipment station at the head assembly transfer chain top and press from both sides, the work piece assembly clamp get the device with work piece assembly jacking device corresponds, the both ends that the device was got to the work piece assembly are provided with and are located roll body work piece tip and are used for assembling the head to the head assembly device of roll body work piece tip, the both sides of head assembly transfer chain correspond respectively and install the head equipment robot that is used for pressing from both sides the head and get to roll body work piece tip and wait for the assembly and with the automatic loading attachment of head that.

As preferred technical scheme, head automatic weld mechanism includes that the multiunit sets up side by side and presss from both sides the H type unipolar machine of turning over and switching between station and the upper end welding station at the lower extreme, every group the both sides of H type unipolar machine of shifting correspond respectively and install and be used for head and roll body work piece welded head welding robot, the below of H type unipolar machine of shifting is provided with work piece welding transfer passage, install reciprocal slidable mounting between work piece input end and work piece output in the work piece welding transfer passage and have work piece moving trolley, the last work piece welding elevating gear who installs the bearing roll body work piece of work piece moving trolley.

As a preferred technical scheme, the central shaft automatic assembly mechanism comprises a central shaft assembly device arranged on one side of a central shaft assembly conveying line, and a central shaft feeding device is correspondingly arranged at a feeding end of the central shaft assembly device; and central shaft assembly aligning cylinders for upwards supporting the roller body workpieces to adjust the coincidence of the axes of the roller body workpieces and the axis of the central shaft are arranged on two sides of the central shaft assembly conveying line.

As a preferred technical scheme, the automatic bearing assembling mechanism comprises bearing feeding assembling devices positioned on two sides of a central shaft assembling conveying line and roller clamping and positioning devices corresponding to the bearing feeding assembling devices; and bearing assembling aligning jacking cylinders used for upwards supporting the central shaft to adjust the coincidence of the axis of the roller workpiece and the axis of the central shaft are further arranged on two sides of the roller clamping and positioning device, and the bearing assembling aligning jacking cylinders correspond to the bearing feeding and assembling device.

By adopting the technical scheme, the full-automatic carrier roller production line sequentially comprises a pipe automatic feeding mechanism for automatically outputting pipe raw materials, a conveying fixed-length cutting mechanism for conveying the pipe raw materials and cutting the pipe raw materials into roller body workpieces in a fixed length mode, an end socket automatic assembling mechanism for automatically assembling an end socket and the roller body workpieces, an end socket automatic welding mechanism for automatically welding the roller bodies and the end sockets, a central shaft automatic assembling mechanism for automatically assembling a central shaft and the roller body workpieces and a bearing automatic assembling mechanism for automatically assembling a bearing and the roller body workpieces along the movement direction of the roller body; the utility model has the advantages that: the utility model has the advantages of simple structure and reasonable design, can realize automatic feeding, transport, cut to length unloading, head self-welding, the automatic assembly of assembly, center pin, bearing through remote control, continuous production can be realized to whole process, and degree of automation is high, and artifical low in labor strength, the security is high.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an automatic pipe feeding mechanism and a conveying, sizing and cutting mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a part of the structure of FIG. 1 (including an automatic pipe feeding mechanism and an automatic pipe traveling mechanism);

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is an enlarged schematic view at B in FIG. 3;

FIG. 6 is a schematic view of the structure of FIG. 3 from another angle;

FIG. 7 is an enlarged schematic view at C in FIG. 6;

FIG. 8 is a schematic view of a portion of the structure of FIG. 2 (including the automatic workpiece sizing device and the automatic workpiece traveling mechanism);

FIG. 9 is a schematic structural view of an automatic workpiece sizing device according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a workpiece rotating apparatus according to an embodiment of the present invention;

fig. 11 is a schematic structural view of an automatic head assembling mechanism according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a workpiece assembling and clamping device according to an embodiment of the present invention;

FIG. 13 is a schematic view of another angle in FIG. 12;

fig. 14 is a schematic structural diagram of a head assembly robot according to an embodiment of the present invention;

fig. 15 is a schematic structural view of the automatic end socket feeding device according to the embodiment of the present invention;

fig. 16 is a schematic diagram of an automatic end socket feeding device according to an embodiment of the present invention;

fig. 17 is a schematic structural view of an automatic head welding mechanism according to an embodiment of the present invention;

FIG. 18 is a schematic structural diagram of one set of H-shaped uniaxial position changing machines in FIG. 17;

fig. 19 is a schematic structural view of an automatic spindle assembling mechanism and an automatic bearing assembling mechanism according to an embodiment of the present invention;

FIG. 20 is an enlarged schematic view at D of FIG. 19;

FIG. 21 is an enlarged schematic view at E of FIG. 19;

fig. 22 is a schematic structural view of a mandrel assembling device and a mandrel feeding device according to an embodiment of the present invention;

in the figure: 1-automatic pipe feeding mechanism; 101-a pipe storage frame body; 102-pipe material storage plate; 103-blocking a limiting block; 104-pipe feeding chassis; 105-pipe jacking cylinder; 106-a tubing support bracket;

2-conveying a fixed-length cutting mechanism; 2A-a pipe automatic travelling mechanism; 201-a walking mechanism fixing frame body 201; 202-supporting rollers for pipes; 203-pipe walking bracket; 204-pipe alignment telescopic cylinder; 205-tubing alignment telescopic stops; 206-the tubing aligns with the lift stop; 207-tube side clamping telescopic cylinder; 208-tube side clamping rotating shaft; 209-tube side support shaft; 210-a support walking linear slide rail; 211-carriage travel carriage; 212-a rack travel drive rack; 213-pipe walking driving motor; 214-a tube grip telescopic cylinder; 2B-an automatic pipe cutting device; 2C-workpiece automatic walking mechanism; 2C 1-workpiece walking frame body; 2C 2-workpiece holding roller; 2D-an automatic workpiece sizing device; 2D 1-fixed length installation seat board; 2D 2-fixed length driving telescopic cylinder; 2D 3-workpiece sizing swing arm; 2D 4-workpiece sizing fence; 2E-a workpiece rotating device; 2E 1-workpiece stop limit plate; 2E 2-rotating holder; 2E 3-lifter plate; 2E 4-guide post; 2E 5-lifting cylinder; 2E 6-axis of rotation; 2E70 cross-shaped support seat; 2E8-V seat; 2E 9-slide; 2E 10-slide; 2E 11-rack; 2E 12-drive cylinder; 2E 13-gear;

3-automatic end socket assembling mechanism; 3A-assembling and jacking device for the workpiece; 3A 01-workpiece assembling and jacking cylinder; 3A 02-assembling a V-shaped jacking bracket; 3B-a workpiece assembly clamping device; 3B 01-assembling and clamping a fixing frame on a workpiece; 3B 02-workpiece assembly clamping rotating frame; 3B 03-head placing groove; 3B 04-fitting V-shaped fixing brackets; 3B 05-assembling the clamping and positioning clamping arms; 3B 06-assembling a clamping arm driving cylinder; 3B 07-standing groove mount; 3B 08-channel rack slide; 3B 09-channel frame slider; 3B 10-slot frame driving cylinder; 3C-end socket assembly conveying line; 3D-end socket assembling device; 3E-a seal head assembling robot; 3E 01-cylinder clamp; 3F-end enclosure automatic feeding device; 3F 01-end enclosure storage box body; 3F 02-end enclosure discharge plate; 3F 03-end enclosure discharge chute; 3F 04-sealing head pushing out oil cylinder; 3F05 — drive train; 3F 06-header seat;

4-automatic end socket welding mechanism; 4A-H type single-shaft positioner; 4A 01-workpiece welding, clamping and fixing frame; 4A 02-workpiece welding clamping rotating frame; 4a 03-welding a V-shaped fixing bracket; 4A 04-welding, clamping, positioning and clamping arms; 4A 05-welding the clamping arm driving cylinder; 4a 06-welding end positioning cylinders; 4B-seal head welding robot; 4C-workpiece welding conveying channel; 4D-a workpiece moving trolley; 4E-a workpiece welding lifting device; 4E 01-workpiece welding lifting cylinder; 4E 02-welding V-shaped lifting brackets;

5-automatic central shaft assembling mechanism; 5A, assembling a conveying line by a central shaft; 5B-central shaft assembly means; 5B 01-central shaft transport table; 5B 02-center axis V-groove; 5B 03-central shaft transport slide; 5B 04-central shaft transport slide; 5B 05-central shaft transport pushing arm; 5B 06-carriage transfer rack; 5B 08-transport carriage drive motor; 5C, a central shaft feeding device;

6-automatic bearing assembling mechanism; 6A-a bearing feeding assembly device; 6A 01-bearing magazine; 6A 03-bearing discharge chute; 6A 04-bearing push-out oil cylinder; 6B-a roller clamping and positioning device; 6B 01-the roller body clamps the fixed mount; 6B 03-clamp arm mounting bracket; 6B 04-roller positioning and clamping arm; 6B 05-gripper arm drive cylinder; 6B 06-bearing assembling self-aligning jacking cylinder.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1, the full-automatic carrier roller production line sequentially comprises a pipe automatic feeding mechanism 1 for automatically outputting a pipe raw material along the movement direction of a roller body, a conveying fixed-length cutting mechanism 2 for conveying the pipe raw material and cutting the pipe raw material into a roller body workpiece in a fixed length manner, an end enclosure automatic assembling mechanism 3 for automatically assembling an end enclosure and the roller body workpiece, an end enclosure automatic welding mechanism 4 for automatically welding the roller body and the end enclosure, a central shaft automatic assembling mechanism 5 for automatically assembling a central shaft and the roller body workpiece, and a bearing automatic assembling mechanism 6 for automatically assembling a bearing and the roller body workpiece. In this embodiment, still be provided with automatic control system, each part all is connected to automatic control system, and automatic control system is the PLC controller, and each part is by PLC program control, realizes automatic continuous production. The utility model has the advantages of simple structure and reasonable design, can realize automatic feeding, transport, cut to length unloading, head self-welding, the automatic assembly of assembly, center pin, bearing through remote control, continuous production can be realized to whole process, and degree of automation is high, and artifical low in labor strength, the security is high.

Referring to fig. 2, fig. 3 and fig. 6, the conveying, sizing and cutting mechanism 2 includes a pipe automatic traveling mechanism 2A disposed at a discharging end of the pipe automatic feeding mechanism 1 and used for conveying pipe raw materials along an axis direction of the pipe raw materials, a pipe automatic cutting device 2B for cutting the pipe raw materials into roll body workpieces is disposed at a discharging end of the pipe automatic traveling mechanism 2A, a workpiece automatic traveling mechanism 2C for conveying the roll body workpieces is disposed at a discharging end of the pipe automatic cutting device 2B, and a workpiece automatic sizing device 2D matched with the pipe automatic cutting device 2B and used for determining cutting length of the roll body workpieces is further disposed on the workpiece automatic traveling mechanism 2C.

The working principle of the conveying, sizing and cutting mechanism 2 is as follows:

before working, all parts of the mechanism return to the standby position; after the automatic pipe feeding mechanism 1 starts working, the automatic pipe feeding mechanism outputs raw pipe materials to the automatic pipe traveling mechanism 2A, the raw pipe materials are conveyed to the automatic pipe cutting device 2B through the automatic pipe traveling mechanism 2A, the automatic pipe cutting device 2B starts cutting, the automatic pipe cutting device 2B resets after cutting is completed, and the cut pipe materials form a roller body workpiece; in the cutting process, firstly, the automatic pipe travelling mechanism 2A conveys the raw pipe material, so that the head end of the raw pipe material passes through the automatic pipe cutting device 2B and is conveyed to the automatic workpiece travelling mechanism 2C, when the head end of the pipe raw material contacts the workpiece automatic sizing device 2D, the pipe raw material stops, at the moment, because the pipe automatic cutting device 2B is positioned behind the workpiece automatic sizing device 2D, the distance between the cutting position of the automatic pipe cutting device 2B and the automatic workpiece sizing device 2D is the cutting length required by the roller workpiece, after the automatic pipe cutting device 2B cuts the pipe, the cut part of the front end of the raw material of the pipe is a roller workpiece reaching the cutting length, and the roller workpiece is then continuously conveyed to the next automatic end enclosure assembling process by the automatic workpiece traveling mechanism 2C; the above actions are repeated.

The conveying, sizing and cutting mechanism 2 can meet the requirements of feeding, conveying and cutting pipe raw materials with the diameter of 50-200mm and the cutting of pipe raw materials with any length within 10000mm of the longest length, the cutting length of a roller workpiece can be adjusted within 10000mm at will, and the roller workpieces with different cutting lengths can be realized by changing the relative distance between the automatic workpiece sizing device 2D and the automatic pipe cutting device 2B. The conveying, sizing and cutting mechanism 2 can simultaneously cut two parallel tube materials, of course, only one cut tube material is shown in the figure, and in this embodiment, the cutting of one tube material is taken as an example for description.

Referring to fig. 2, the automatic pipe walking mechanism 2A includes a walking mechanism fixing frame 201, the walking mechanism fixing frame 201 is fixed on the ground through expansion bolts, and the level of the walking mechanism fixing frame 201 can be adjusted through adjusting bolts supporting the feet; a plurality of pipe supporting rollers 202 for supporting pipe raw materials are uniformly arranged on the walking mechanism fixing frame body 201, wheel side plates for preventing the pipes from rolling off are respectively arranged at two ends of each pipe supporting roller 202, two ends of each pipe supporting roller 202 are rotatably arranged on the corresponding support, the corresponding supports are fixedly arranged on the walking mechanism fixing frame body 201, and after a workpiece is placed on the corresponding pipe supporting rollers 202, when the pipe walking support 203 drives the pipe raw materials to move, the pipe raw materials can be driven to rotate by the movement of the pipe supporting rollers 202, so that the friction force between the pipe raw materials and the pipe supporting rollers 202 is reduced; install the tubular product walking support 203 along tubular product raw materials axis direction motion on the fixed support body 201 of running gear, tubular product walking support 203 with be provided with the drive between the fixed support body 201 of running gear the walking support drive arrangement of tubular product walking support 203 motion, the upper portion of tubular product walking support 203 is installed two relative pipe end clamping device who is used for the cooperation to press from both sides tight tubular product raw materials end, the discharge end of the fixed support body 201 of running gear still installs the supplementary tubular product head side clamping device who presss from both sides tight tubular product raw materials head end, still install the tubular product tip aligning device who is used for fixing a position the first end both ends of tubular product raw materials on the fixed support body 201 of running gear. During conveying, after the pipe tail end clamping device clamps the pipe, the walking support driving device starts to work to drive the pipe walking support 203 to move forwards along the pipe raw material axis direction, namely, the pipe raw material is driven to move towards one side of the automatic pipe cutting device 2B, and when the pipe raw material moves to a specified position, the clamping device at the pipe head end side starts to clamp the pipe and then cuts the pipe; the pipe tail end clamping device is used for clamping the tail end of a pipe raw material, the pipe raw material is driven to move forwards after being clamped, and moving size parameters can be set at the touch screen, so that the fixed-length cutting of workpieces with different sizes is met; the pipe head side clamping device is arranged at the discharge end of the travelling mechanism fixing frame body 201, namely the front end of the automatic pipe cutting device 2B, and due to the fact that the length of the pipe raw material is long, the problems of workpiece vibration, deviation and the like can occur at the front end of the pipe raw material during cutting, the pipe raw material is clamped by the pipe head side clamping device from one side at the moment, the deviation problem occurs during avoiding movement, and meanwhile vibration is prevented from occurring in the cutting process; the positions of the pipe head side clamping device and the pipe tail end clamping device are matched with each other, so that after the pipe head side clamping device and the pipe tail end clamping device are clamped, the axis direction of a pipe raw material is still the moving direction, and the phenomena of lateral deviation and the like can not occur.

Referring to fig. 4 and 5, the fixed frame 201 of the traveling mechanism is further provided with a pipe end aligning device for positioning the two ends of the pipe material, when two workpieces are cut simultaneously, in order to prevent the front ends of the two workpieces from being different and tidy, the pipe end aligning device is responsible for automatically aligning the two workpieces before conveying the workpieces, and then conveying and cutting are performed, so that the first sections of the two workpieces are parallel and level, and the two roller workpieces formed after cutting have the same length.

Referring to fig. 4 and 5, the pipe end aligning device includes a pipe aligning telescopic cylinder 204 fixedly installed at the head end of the traveling mechanism fixing frame 201 and used for positioning the tail end of the pipe raw material, a pipe aligning telescopic stopper 205 fixedly installed at the telescopic end of the pipe aligning telescopic cylinder 204 and used for being matched with the tail end of the pipe raw material, a pipe aligning lifting stopper 206 installed at the discharge end of the traveling mechanism fixing frame 201 and used for positioning the head end of the pipe raw material, and an aligning stopper lifting cylinder (not shown in the drawings) for driving the pipe aligning lifting stopper 206 to ascend and descend is connected between the pipe aligning lifting stopper 206 and the traveling mechanism fixing frame 201. The setting width of the pipe alignment telescopic stop block 205 and the pipe alignment lifting stop block 206 is set according to actual needs, and only two pipe raw materials can be stopped if the requirements are met. When the automatic pipe feeding mechanism 1 outputs two pipe raw materials to the automatic pipe walking mechanism 2A and falls onto the pipe supporting roller 202, the alignment stop block lifting cylinder extends out to drive the pipe alignment lifting stop block 206 to ascend to stop the head ends of the pipe raw materials, and then the pipe alignment telescopic cylinder 204 extends out to enable the pipe alignment telescopic stop block 205 to push the tail ends of the pipe raw materials, so that the head ends of the two pipe raw materials are both contacted with the pipe alignment lifting stop block 206, therefore, the head ends and the tail ends of the pipe raw materials are both limited to enable the head ends of the two pipes to be aligned, and after alignment, the tail end clamping device of the pipe and the head end side clamping device of the pipe are controlled to clamp correspondingly; then the pipe aligning telescopic cylinder 204 and the aligning stop block lifting cylinder contract to reset, and at the moment, the pipe aligning lifting stop block 206 descends to the lower part of the pipe raw material, so that the interference on the conveying and cutting of the pipe raw material is avoided.

Referring to fig. 4, the pipe end clamping device includes two pipe clamping telescopic cylinders 214 oppositely installed on the pipe traveling support 203, the two pipe clamping telescopic cylinders 214 are located at two sides of the pipe material, and telescopic ends of the two pipe clamping telescopic cylinders 214 are fixedly installed with pipe end clamping portions matched with the surface of the pipe material. When a workpiece is arranged on the automatic pipe travelling mechanism 2A, the two pipe clamping telescopic cylinders 214 extend out, so that the pipe tail end clamping parts are correspondingly clamped on the surfaces of two sides of the raw material of the pipe, and the tail end clamping process of the raw material of the pipe is realized. After the cutting of the whole tube material is completed, the tube clamping telescopic cylinder 214 resets to wait for the next cycle.

Referring to fig. 5, the tube end side clamping device includes a tube side clamping telescopic cylinder 207 fixedly installed on the walking mechanism fixing frame body 201, a tube side clamping rotating shaft 208 matched with the surface of the tube material is rotatably installed at a telescopic end of the tube side clamping telescopic cylinder 207, a tube side supporting rotating shaft 209 corresponding to the tube side clamping rotating shaft 208 in a matched manner is further rotatably installed on the walking mechanism fixing frame body 201, and the tube side clamping rotating shaft 208 and the tube side supporting rotating shaft 209 are located on two sides of the tube material. When clamping, the tube side clamping telescopic cylinder 207 is controlled to extend out, so that the tube side clamping rotating shaft 208 contacts the side surface of the tube raw material, and meanwhile, the tube side supporting rotating shaft 209 contacts the other side surface of the tube raw material, and the clamping of the head end of the tube raw material is realized. And because the pipe side clamping rotating shaft 208 and the pipe side supporting rotating shaft 209 can rotate around the axis of the pipe side clamping rotating shaft 208 and the pipe side supporting rotating shaft 209, in the process of conveying the pipe raw materials, the pipe side clamping rotating shaft 208 and the pipe side supporting rotating shaft 209 can rotate along with the movement of the pipe raw materials, the friction between the pipe side clamping rotating shaft 208 and the pipe raw materials is reduced, and after the whole pipe raw materials are cut, the pipe side clamping telescopic cylinder 207 resets to wait for the next cycle.

Referring to fig. 4, the traveling support driving device includes a support traveling linear slide rail 210 fixedly mounted on the traveling mechanism fixing support body 201, a support traveling slide seat 211 which is mounted on the pipe traveling support 203 correspondingly and follows the support traveling linear slide rail 210 to slide, a support traveling driving rack 212 is further mounted on the traveling mechanism fixing support body 201, the support traveling linear slide rail 210 and the support traveling driving rack 212 are all arranged along the conveying direction of the pipe raw material, a pipe traveling driving gear (not shown in the figure) which is mounted on the pipe traveling support 203 and cooperates with the support traveling driving rack 212 is further mounted on the pipe traveling support 203, a pipe traveling driving motor 213 is further mounted on the pipe traveling support 203, and the pipe traveling driving gear is mounted on a power shaft of the pipe traveling driving motor 213. When the pipe walking driving motor 213 works, the pipe walking driving gear is driven to rotate, and the pipe walking driving gear and the support walking driving rack 212 are in matched transmission, so that the pipe walking driving gear moves along the support walking driving rack 212, and the walking mechanism fixing frame body 201 is driven to do linear motion along the support walking linear slide rail 210, when the pipe end clamping device clamps the pipe raw material, the pipe walking driving motor 213 works to drive the pipe raw material clamped on the pipe end clamping device to follow together to do linear motion, so that the pipe raw material gradually moves forwards, and when the whole pipe raw material is cut, the pipe end clamping device is released, the pipe walking driving motor 213 rotates reversely to drive the pipe walking driving gear to reversely move along the support walking driving rack 212 to return to the original position, so that the pipe walking bracket 203 moves to the head end of the walking mechanism fixing frame body 201 to wait for the automatic pipe feeding mechanism 1 to continue feeding for the next cycle operation. The cable tow chain is still installed to one side of the fixed support body 201 of running gear, and the one end of cable tow chain is fixed on the body of the fixed support body 201 of running gear, and the other end is fixed on tubular product walking driving motor 213, and power cord, signal line etc. above the tubular product walking driving motor 213 are through the orderly range of cable tow chain, and the power cord can appear in disorder, phenomenon such as loss when avoiding tubular product walking driving motor 213 to remove. The drag chain is a totally enclosed drag chain, and has the advantages of welding spark prevention, water prevention, dust prevention and the like.

Automatic running gear 2C of work piece includes work piece walking frame body 2C1, evenly arranged a plurality of work piece bearing gyro wheels 2C2 that are used for the bearing roll body work piece on the work piece walking frame body 2C1, still install the drive on the work piece walking frame body 2C1 work piece bearing gyro wheel 2C2 pivoted roller drive arrangement. The roller driving device is a roller driving motor for driving the workpiece supporting rollers 2C2 to rotate, and the workpiece supporting rollers 2C2 are driven by the roller driving motor to rotate actively through chain transmission so as to convey workpieces actively. The roller drive is prior art and is not shown in the figures.

Referring to fig. 9, the automatic workpiece length setting device 2D includes a length setting mounting seat plate 2D1 detachably mounted on the workpiece carrier 2C1, and since the length setting mounting seat plate 2D1 is detachably mounted on the workpiece carrier 2C1 by bolts, a relative distance from the automatic pipe cutting device 2B, that is, a cutting length of a workpiece, can be changed. The bottom end of the fixed length installation seat plate 2D1 is hinged with a fixed length driving telescopic cylinder 2D2, the fixed length driving telescopic cylinder 2D2 is hinged with the bottom end of the fixed length installation seat plate 2D1 through a support, a workpiece fixed length swing arm 2D3 which swings and switches between a vertical limiting state and a horizontal avoiding state is installed on the fixed length installation seat plate 2D1, the middle part of the workpiece fixed length swing arm 2D3 is hinged on the fixed length installation seat plate 2D1, a workpiece fixed length baffle 2D4 used for limiting the end part of a pipe raw material is installed at the top of the workpiece fixed length swing arm 2D3, and the bottom end of the workpiece fixed length swing arm 2D3 is hinged with the fixed length driving telescopic cylinder 2D 2. When the pipe raw material is clamped and conveyed, the fixed length driving telescopic cylinder 2D2 retracts to drive the workpiece fixed length swing arm 2D3 to swing from a horizontal avoiding state to a vertical limiting state, when the workpiece fixed length baffle 2D4 is in the vertical state to block the movement of the pipe raw material, when the head end of the conveyed pipe raw material contacts the workpiece fixed length baffle 2D4, the head end of the conveyed pipe raw material does not move any longer, at the moment, the distance between the cutting knife of the automatic pipe cutting device 2B and the workpiece fixed length baffle 2D4 is the cutting length of the workpiece, when the pipe raw material is cut by the automatic pipe cutting device 2B, the fixed length driving telescopic cylinder 2D2 extends out, so that the workpiece fixed length baffle 2D4 swings towards the front of the movement direction of the pipe raw material, namely, the vertical limiting state is switched to the horizontal avoiding state, and when the horizontal avoiding state, the workpiece sizing baffle 2D4 is located below the pipe raw material and used for avoiding workpieces, the roller workpieces are driven by the automatic workpiece walking mechanism 2C to move forwards, and after the roller workpieces move forwards and leave the automatic workpiece sizing device 2D, the sizing driving telescopic cylinder 2D2 resets to wait for the next cycle.

In order to ensure stable cutting, a side clamping device is also arranged at the input end of the workpiece walking frame body 2C1 and is used for being matched with the clamping device at the head end side of the pipe in the automatic pipe walking mechanism 2A to realize clamping, so that vibration is avoided during cutting. The side clamping device and the pipe head-end side clamping device have the same structure and function, and are only arranged on two different conveying mechanisms, so that the details are not repeated.

Put the work piece in batches through instruments such as driving a vehicle, fork truck behind tubular product automatic feeding mechanism 1 department, tubular product automatic feeding mechanism 1 exports single work piece extremely on the tubular product automatic walking mechanism 2A, realize the automation of material loading process. Referring to fig. 6 and 7, tubular product automatic feeding mechanism 1 includes tubular product storage support body 101, the top setting of tubular product storage support body 101 is used for placing the tubular product raw materials and is the orientation tubular product storage flitch 102 of the automatic running gear 2A downward sloping of tubular product, the lower part of tubular product storage flitch 102 has been arranged and has been blockked the stopper 103 that the tubular product raw materials rolls, makes the tubular product raw materials arrange on tubular product storage flitch 102 one by one through blockking stopper 103, wholly be the slope and arrange downwards, the bottom of tubular product storage flitch 102 extends to the top of the automatic running gear 2A's of tubular product bearing gyro wheel 202, the correspondence of both ends is provided with and is used for exporting the tubular product raw materials to the automatic feeding device on the automatic running gear 2A of tubular product around tubular product storage support body 101. The automatic feeding device comprises a pipe feeding base frame 104, a pipe jacking cylinder 105 is mounted on the pipe feeding base frame 104, a pipe bearing bracket 106 used for bearing raw material of pipes for guiding blanking is mounted at the top end of the pipe jacking cylinder 105, one end of the pipe bearing bracket 106, close to the pipe walking support 203, is hinged to the pipe feeding base frame 104, and the top end of the pipe jacking cylinder 105 is hinged to the middle of the pipe bearing bracket 106. When the automatic pipe traveling mechanism 2A has no pipe raw material, the pipe traveling support 203 moves to the head end of the traveling mechanism fixing frame body 201 to avoid blanking of the pipe raw material; during blanking, the flexible end of the pipe jacking cylinder 105 rises, so that the pipe bearing bracket 106 directly overturns towards the automatic pipe running mechanism 2A2, upwards supports the pipe raw material located at the lowest position in the overturning process, so that the height of the pipe raw material is higher than that of the stopping limiting block 103, the pipe raw material strides across the stopping limiting block 103 at the moment, the pipe material storage plate 102 continues to roll downwards and rolls down to the pipe bearing roller 202 of the automatic pipe running mechanism 2A, then the pipe jacking cylinder 105 resets, and the latter pipe raw material naturally rolls downwards along the inclined plane to wait for being fed.

The specific working flow of the conveying fixed-length cutting mechanism 2 is as follows:

at first, all parts of the equipment return to standby positions, the automatic pipe feeding mechanism 1 outputs workpieces onto the fixed frame body 201 of the walking mechanism, the pipe aligning lifting stop block 206 rises to block the front end of the pipe raw material, the pipe aligning telescopic cylinder 204 at the other end drives the pipe aligning telescopic stop block 205 to extend out to push the pipe raw material, at the moment, sensing signals on the pipe aligning lifting stop block 206 sense that two pipes are in place and then output signals to the pipe terminal clamping device, the pipe terminal clamping device clamps the pipes, the aligning stop block lifting cylinder retracts, and the pipe aligning lifting stop block 206 falls down. Then the workpiece sizing baffle 2D4 is lifted, the pipe walking driving motor 213 is started, the pipe end clamping device drives the pipe raw material to move, the moving distance moves according to the preset parameters, the pipe side clamping telescopic cylinder 207 clamps after moving to the set position, the pipe automatic cutting device 2B starts cutting, the pipe automatic cutting device 2B resets after cutting, the workpiece sizing baffle 2D4 falls down, the workpiece automatic walking mechanism 2C is started, and the workpiece is conveyed to the next end socket automatic assembly process. The components are then reset and the above described actions are repeated.

Before the cut roller workpiece is input to the next head automatic assembly process by the workpiece automatic traveling mechanism 2C, since the movement mode of the roller workpiece at this time is the axial direction of the roller workpiece, see fig. 1, but when entering the next head assembly process, the roller workpiece needs to be rotated by 90 °, in this embodiment, the movement direction of the roller workpiece before the roller workpiece is rotated by 90 ° is defined as longitudinal movement, and the movement direction of the roller workpiece after the roller workpiece is rotated by 90 ° is defined as transverse movement. Therefore, the output end of the automatic workpiece travelling mechanism 2C is further provided with a workpiece rotating device 2E for rotating the roller workpiece by 90 degrees and inputting the roller workpiece into the automatic head assembling mechanism 3, and the tail end of the automatic workpiece travelling mechanism 2C is provided with a workpiece stop limiting plate 2E1 corresponding to the workpiece rotating device, so that when the roller workpiece is conveyed by the automatic workpiece travelling mechanism 2E, the roller workpiece does not move any more after the end of the roller workpiece contacts the workpiece stop limiting plate 2E1, and at this time, the workpiece rotating device 2E acts to rotate the roller workpiece by 90 degrees and place the roller workpiece on the head assembling conveying line 3C in the next automatic assembling process. The workpiece rotating device 2E is arranged below the workpiece supporting roller 2E2, one end of the output end of the workpiece automatic walking mechanism 2C is coincided with the input end of the seal head assembling and conveying line 3C, and the workpiece rotating device is arranged at the coincided position.

Referring to fig. 10, the workpiece rotating apparatus includes a rotary fixing frame 2E2, the rotary fixing frame 2E2 is detachably fixed on a workpiece traveling frame body 2E1, the left and right positions are controlled according to the position requirement during installation, a lifting plate 2E3 is slidably mounted above the rotary fixing frame 2E2, a guide post 2E4 sliding along the rotary fixing frame 2E2 is disposed at the bottom end of the lifting plate 2E3, a lifting cylinder 2E5 driving the lifting plate 2E3 to ascend and descend is further connected between the rotary fixing frame 2E2 and the lifting plate 2E3, a rotating shaft 2E6 is rotatably mounted at the top end of the rotary fixing frame 2E2, a cross-shaped supporting seat 2E8 is disposed at the top end of the rotating shaft 2E6, a V-shaped seat 2E8 for supporting a workpiece on each arm top end of the cross-shaped supporting seat 2E7, a slide rail 2E9 is disposed at the top end of the lifting plate 2E3, sliding mounting has slide 2E10 on slide rail 2E9, and still fixed mounting has rack 2E11 on slide 2E10, be connected with the drive between slide 2E10 and lifter plate 2E3 slide 2E10 along slide rail reciprocating motion's actuating cylinder 2E12, be fixed with on the rotation axis with rack complex gear 2E 13. When the roller body workpiece does not need to be rotated by 90 degrees, the lifting air cylinder drives the whole workpiece rotating device to descend for avoiding the movement of the roller body workpiece; when the roller body workpiece moves to the position, namely after the end part of the roller body workpiece contacts the workpiece stop limit plate, the lifting cylinder acts at the moment to enable the lifting plate to ascend; then make cross supporting seat hold up the roll body work piece, drive actuating cylinder extension or shorten this moment, can drive the slide along the slide rail motion, and make the rack follow and slide together, and because wheel and rack cooperation, consequently can drive gear revolve to make the rotation axis rotate, drive the cross supporting seat of installing on the rotation axis top promptly and rotate 90, the roll body work piece is in transversely this moment, then the lift cylinder descends, places the roll body work piece on head assembly transfer chain 3C.

When the workpiece rotating device is only used for cutting one workpiece, the motion position of the cut workpiece corresponds to the cross-shaped supporting seat, so that the cross-shaped supporting seat can just support the roller workpiece after rising.

Referring to fig. 11, the automatic head assembling mechanism 3 is arranged at a head assembling station, the automatic head assembling mechanism 3 includes a workpiece assembling and jacking device 3A arranged below the head assembling conveyor line 3C for upwards jacking a roller workpiece, and a workpiece assembling and clamping device 3B arranged above the head assembling conveyor line 3C for switching between a lower end clamping station and an upper end assembling station in an overturning manner, the workpiece assembling and clamping device 3B corresponds to the workpiece assembling and jacking device 3A, two ends of the workpiece assembling and clamping device 3B are provided with an end socket assembling device 3D which is positioned at the end part of the roller body workpiece and used for assembling an end socket to the end part of the roller body workpiece, and the two sides of the end socket assembly conveying line 3C are respectively and correspondingly provided with an end socket assembly robot 3E for clamping an end socket to the end part of the roller workpiece to wait for assembly and an end socket automatic feeding device 3F corresponding to the end socket assembly robot 3E. Head automatic feeding device 3F bilateral symmetry respectively sets up a large amount of heads can prestore in the both sides of head assembly transfer chain 3C, and once storage can be used for a long time, saves artifically, and after the roll body work piece was carried and is come head automatic feeding device 3F exports the head, waits for head assembly robot 3E snatchs the equipment. And the end socket assembling robots 3E are respectively arranged at the left and right sides of the end socket assembling conveying line 3C and are responsible for grabbing the end sockets to wait for assembling.

Fig. 1 shows two groups of head automatic assembly mechanisms, so that the head automatic assembly mechanism 3 can automatically assemble two roll body workpieces at the same time, the two workpieces form a group during operation, after the operation of one group of workpieces is completed, the head assembly conveyor line 3C moves forward to convey the roll body workpieces to the next station, and the main operation of the device is to realize the automatic assembly of the heads at the two ends of the carrier roller; the automatic seal head assembling mechanism 3 describes the working principle by taking a roller workpiece as an example for processing:

when the seal head assembling conveying line 3C conveys the roller body workpiece to the seal head assembling station, the roller body workpiece stops, and the roller body workpiece is positioned above the workpiece assembling and jacking device 3A and below the workpiece assembling and clamping device 3B; then, starting operation, namely lifting the workpiece assembling and jacking device 3A, separating the roller body workpiece from the end socket assembling and conveying line 3C, then continuing jacking, wherein the workpiece assembling and clamping device 3B is positioned at a lower end clamping station to wait for the roller body workpiece to rise to a specified height, then being clamped by the workpiece assembling and clamping device 3B, and after clamping, the workpiece assembling and clamping device 3B drives the roller body workpiece to overturn to an upper end assembling station to wait for assembling; meanwhile, the automatic end socket feeding device 3F outputs end sockets, the end socket assembling robot 3E starts to work, firstly, the end sockets are clamped from the automatic end socket feeding device 3F, then the end sockets are placed outside two ends of a roller body workpiece in a rotating mode, and the end socket assembling robot 3E resets; then the end socket assembling device 3D pushes the end socket to push the end socket into the end part of the roller workpiece, and the automatic assembling process is completed; after assembly is completed, the end socket assembling device 3D resets, the workpiece assembling and clamping device 3B drives the assembled roller workpiece to overturn from an upper end assembling station to a lower end clamping station, the workpiece assembling and clamping device 3B loosens and places the roller workpiece onto the workpiece assembling and jacking device 3A, and then the roller workpiece is driven by the workpiece assembling and jacking device 3A to descend onto the end socket assembling and conveying line 3C and is driven by the end socket assembling and conveying line 3C to a next end socket automatic welding process; the mechanism circulates the above operation steps to assemble the next workpiece.

Referring to fig. 12 and 13, the workpiece assembling and jacking device 3A comprises two workpiece assembling and jacking cylinders 3A01 which are fixedly mounted relatively, and the telescopic end of the workpiece assembling and jacking cylinder 3A01 faces upwards and is provided with an assembling V-shaped jacking bracket 3A02 for supporting a roller workpiece. The telescopic end of the workpiece assembling and jacking cylinder 3A01 extends out, so that the assembling V-shaped jacking bracket 3A02 ascends, a roller workpiece can be lifted from the end socket assembling and conveying line 3C, then the roller workpiece is driven to move to the lower end clamping station along with the extension of the telescopic end of the workpiece assembling and jacking cylinder 3A01, and then the workpiece assembling and clamping device 3B is driven to clamp and overturn to the upper end assembling station; after the seal heads at two ends of the roller workpiece are assembled, the workpiece assembling and clamping device 3B resets and overturns the roller workpiece to the lower end clamping station, loosens the roller workpiece and falls into the assembling V-shaped jacking bracket 3A02, and the telescopic end of the workpiece assembling and jacking cylinder 3A01 resets and retracts to drive the assembling V-shaped jacking bracket 3A02 to descend, so that the roller workpiece is placed on the seal head assembling and conveying line 3C and then conveyed to the next seal head automatic welding process by the seal head assembling and conveying line 3C. Because the telescopic end of the workpiece assembling and jacking cylinder 3A01 can extend and retract, the workpiece assembling and jacking cylinder 3A01 can be controlled to retract to avoid other devices during operation, and interference with other devices is avoided.

Referring to fig. 12, the workpiece assembling and clamping device 3B includes workpiece assembling and clamping fixed frames 3B01 correspondingly installed on two sides of the seal head assembling and clamping conveyor line 3C, a workpiece assembling and clamping rotating frame 3B02 which is turned and switched between a lower end clamping station and an upper end assembling station is installed between the two workpiece assembling and clamping fixed frames 3B01, two ends of the workpiece assembling and clamping rotating frame 3B02 are installed on the workpiece assembling and clamping fixed frame 3B01 through rotating shafts, one of the workpiece assembling and clamping fixed frames 3B01 is also installed with a rotating driving motor which drives the corresponding rotating shaft to rotate actively, the other rotating shaft rotates passively, the lower end clamping station and the upper end assembling station is turned over 180 °, when the upper end assembling station is located, the workpiece assembling and clamping rotating frame 3B02 is horizontal, and the workpiece is located above the workpiece assembling and clamping rotating frame 3B02, when the lower end clamping station is used, the workpiece assembling and clamping rotating frame 3B02 is horizontal, and the roller workpiece is positioned below the workpiece assembling and clamping rotating frame 3B 02.

Referring to fig. 12, a workpiece assembling and clamping device for clamping and positioning the roll body workpiece is further arranged on the workpiece assembling and clamping rotating frame 3B02, two ends of the workpiece assembling and clamping rotating frame 3B02 are respectively provided with a head placing groove 3B03 corresponding to an end of the roll body workpiece, a placing groove driving device for driving the head placing groove 3B03 to move along the axial direction of the roll body workpiece is further arranged between the head placing groove 3B03 and the workpiece assembling and clamping rotating frame 3B02, and the head assembling device 3D is arranged outside the head placing groove 3B 03. During operation, after the assembly of the roller workpiece is completed, the workpiece assembly clamping rotating frame 3B02 is turned over from the upper end assembly station to the lower end clamping station, then the workpiece assembly clamping device is opened, the roller workpiece is placed on the workpiece assembly jacking device 3A and is conveyed to the next process, after the workpiece to be machined reaches the end enclosure assembly station, the workpiece assembly jacking device 3A jacks to a specified height, then the workpiece assembly clamping device clamps the roller workpiece and keeps a clamping state all the time, then the workpiece assembly clamping rotating frame 3B02 is turned over to the upper end assembly station, at the moment, two ends of the roller workpiece just correspond to the end enclosure placing groove 3B03, the axis of the end enclosure placed in the end enclosure placing groove 3B03 is overlapped with the axis of the roller workpiece, and at the moment, an end enclosure to be machined is also placed in the end enclosure placing groove 3B03, and then the end sockets are pushed into the two ends of the roller body workpiece by the 3D operation of the end socket assembling device.

Referring to fig. 12, the seal head assembling device 3D is a seal head assembling cylinder, and a seal head extruding portion for assembling a seal head into the end portion of the roller workpiece is installed at a telescopic end of the seal head assembling cylinder. The end socket assembling cylinder is fixedly arranged on the workpiece assembling and clamping rotating frame 3B02, the telescopic end of the end socket assembling cylinder is arranged towards the end part of the roller workpiece, and the telescopic route of the telescopic end of the end socket assembling cylinder is superposed with the axis of the roller workpiece; when the end sockets to be processed are arranged in the end socket placing groove 3B03, the telescopic ends of the end socket assembling cylinders extend, and the end socket extruding portions push the end sockets to enter the end portions of the roller body workpieces, so that automatic assembling of the end sockets is completed. The end socket is tightly matched with the inner wall of the roller workpiece, the end socket is extruded by the end socket assembling cylinder, and the position moving phenomenon cannot occur after the end socket is placed in the roller workpiece.

Referring to fig. 12, the workpiece assembling and clamping device includes an assembling V-shaped fixing bracket 3B04 matched with the assembling V-shaped jacking bracket 3a02, the assembling V-shaped fixing bracket 3B04 is fixed on the workpiece assembling and clamping rotating frame 3B02, the workpiece assembling and clamping rotating frame 3B02 is further hinged with an assembling and clamping positioning arm 3B05 matched with the assembling V-shaped fixing bracket 3B04 for clamping and positioning a roller workpiece, an assembling arm driving cylinder 3B06 for driving the assembling and clamping positioning arm 3B05 to clamp and open is arranged between one end of the assembling and clamping positioning arm 3B05 and the workpiece assembling and clamping rotating frame 3B02, one end of the assembling arm driving cylinder 3B06 is fixed on the workpiece assembling and clamping rotating frame 3B02, and the other end of the assembling arm driving cylinder 3B06 is hinged with one end of the assembling and positioning arm 3B05, the middle part of the assembling clamping positioning clamping arm 3B05 is hinged on the workpiece assembling clamping rotating frame 3B02, and a clamping end inner side of the assembling clamping positioning clamping arm 3B05 is provided with a clamping arm V-shaped surface which is matched with the assembling V-shaped fixing bracket 3B04 and used for clamping and clamping a roller workpiece. When the telescopic end of the assembling clamping arm driving cylinder 3B06 extends, the clamping end of the assembling clamping positioning clamping arm 3B05 is pushed to swing towards the assembling V-shaped fixing bracket 3B04, the distance between the assembling clamping positioning clamping arm and the assembling V-shaped fixing bracket 3B04 is reduced, the assembling clamping positioning clamping arm is matched with the assembling V-shaped fixing bracket 3B04 to clamp a workpiece, and then the assembling clamping positioning clamping arm is kept in the state to position a roller workpiece; when the telescopic end of the assembling clamping arm driving cylinder 3B06 retracts, the clamping end of the assembling clamping positioning clamping arm 3B05 is pushed to swing away from the assembling V-shaped fixing bracket 3B04, at the moment, the workpiece assembling and clamping device is opened, and a roller workpiece can be separated from the workpiece assembling and clamping device.

Referring to fig. 13, the placing groove driving device includes a placing groove mounting rack 3B07, the head placing groove 3B03 is mounted on the outer side of the placing groove mounting rack 3B07, the head placing groove 3B03 is used for placing a head, the head placing groove 3B03 is an arc-shaped groove, after the head is placed on the head placing groove 3B03, the axis of the head coincides with the axis of the roll workpiece, a groove frame slide rail 3B08 is transversely arranged on the workpiece assembling and clamping rotating frame 3B02, and the arrangement direction of the groove frame slide rail 3B08 is parallel to the axis direction of the roll workpiece; the placing groove mounting rack 3B07 is provided with a groove rack sliding block 3B09 matched with the groove rack sliding rail 3B08, a groove rack driving cylinder 3B10 for driving the placing groove mounting rack 3B07 to transversely slide is further connected between the placing groove mounting rack 3B07 and the workpiece assembling clamping rotating rack 3B02, one end of the groove rack driving cylinder 3B10 is fixedly mounted on the workpiece assembling clamping rotating rack 3B02, and the other end of the groove rack driving cylinder 3B10 is fixedly mounted on the placing groove mounting rack 3B 07. When the telescopic end of the slot frame driving cylinder 3B10 extends, the placing slot mounting rack 3B07 is driven to move outwards along the slot frame slide rail 3B08, namely, the end socket placing slot 3B03 is driven to move outwards, when the telescopic end of the slot frame driving cylinder 3B10 is shortened, the placing slot mounting rack 3B07 is driven to move inwards along the slot frame slide rail 3B08, namely, the end socket placing slot 3B03 is driven to move inwards, the position of the end socket placing slot 3B03 is adjusted by the extension and shortening of the slot frame driving cylinder 3B10, and the end part of the roll body workpiece corresponds to the end socket placing slot 3B03 by the adjustment.

Referring to fig. 14, the head assembly robot 3E is a six-axis coordinate robot, and the coordinate welding robot is a prior art, is known to a person skilled in the art, and is not described herein again; the operation end of the seal head assembling robot 3E is provided with a cylinder clamp 3E01 for clamping the seal head, the cylinder clamp 3E01 is the prior art, is known to the ordinary engineering technicians in the field, and is not described herein again. Head equipment robot 3E is rotatory, has a plurality of degrees of freedom, can realize the free conversion between head automatic feeding device 3F and the head standing groove 3B03, cylinder anchor clamps 3E01 are used for pressing from both sides and get and loosen the head.

Referring to fig. 15 and 16, the automatic end socket feeding device 3F includes an end socket storage box 3F01 having an end socket storage cavity, the bottom end of the end socket storage box 3F01 has an end socket discharging plate 3F02 inclined downward, the bottom end of the end socket discharging plate 3F02 is provided with an end socket discharging port, an end socket chain transmission device for feeding and discharging at intervals is further arranged outside the end socket discharging box, the feeding end of the end socket chain transmission device corresponds to the end socket discharging port, the discharging end of the end socket chain transmission device is provided with an end socket discharging port, the end socket discharging port is correspondingly provided with an end socket discharging groove 3F03 matched with an end socket, and an end socket oil cylinder 3F04 for pushing an end socket out from the end socket discharging port to the end socket discharging groove 3F03 is correspondingly arranged on the rear side of the end socket discharging groove 3F 03. The end socket chain transmission device comprises an end socket transmission box, two transmission chains 3F05 wheels are arranged in the end socket transmission box, a driving motor is connected to one transmission chain 3F05 wheel, a transmission chain 3F05 which is driven to drive up and down is connected between the two transmission chains 3F05 wheels, an end socket 3F06 which corresponds to the end socket blanking port and is used for loading the end socket is arranged on the transmission chain 3F05 at intervals, a plurality of baffle blocks which block the end socket blanking port to prevent the end socket from rolling out randomly are further arranged on the transmission chain 3F05506, the end socket blanking port is positioned below one side of the end socket chain transmission device, and the discharge port is positioned above the other side of the end socket chain transmission device; the intermittent discharging process is realized through the end socket chain transmission device. The seal heads in the seal head storage box body 3F01 slide to the seal head discharge port through a seal head discharge plate 3F02 which inclines downwards, in the process of up-and-down transmission of a transmission chain 3F05, when the seal head seat 3F06 passes through the seal head discharge port, the seal heads are naturally supported and lifted, when the seal head seat 3F06 moves to a return section and moves downwards, the seal heads are separated from the seal head seat 3F06 and move to the seal head discharge port, then the telescopic end of the seal head pushing cylinder 3F04 extends out, the seal heads are pushed out from the seal head discharge port to the seal head discharge groove 3F03, and clamping of the seal head assembling robot 3E is waited; after the end socket is pushed out, the telescopic end of the end socket pushing-out oil cylinder 3F04 returns to the original position to wait for the next operation.

Referring to fig. 11, head assembly transfer chain 3C includes fixed mounting's transfer chain support body, and the transfer chain support body passes through expansion bolts to be fixed subaerial, and the level of transfer chain support body is adjusted to the adjusting bolt of accessible supporting legs, be provided with transfer chain driving shaft and transfer chain driven shaft on the transfer chain support body, the transmission is connected with transfer chain driving motor on the transfer chain driving shaft, the transfer chain driving shaft with be connected with two transfer chain driving chains through chain gear drive between the transfer chain driven shaft, two it is provided with a plurality of transfer chain V type seats that are used for bearing roll body work piece both ends to correspond between the transfer. And the conveying line driving motor drives the conveying line transmission chain to move, so that a roller body workpiece arranged on the V-shaped seat of the conveying line is driven to move among a plurality of stations and processes.

Referring to fig. 17, the automatic end socket welding mechanism 4 is arranged at an end socket welding station, and after the end socket is assembled to the end part of the roller workpiece, the end socket and the roller workpiece are welded by the automatic end socket welding mechanism.

The automatic end socket welding mechanism 4 comprises a plurality of groups of H-shaped single-shaft position changing machines 4A which are arranged in parallel and are turned and switched between a lower end clamping station and an upper end welding station, two sides of each group of H-shaped single-shaft position changing machines 4A are respectively and correspondingly provided with an end socket welding robot 4B for welding an end socket and a roller body workpiece, a workpiece welding and conveying channel 4C is arranged below the H-shaped single-shaft position changing machines 4A, the workpiece welding and conveying channel 4C is fixed on the ground through expansion bolts, and the horizontal height of a wire body can be adjusted through adjusting bolts of supporting legs; and a workpiece moving trolley 4D is arranged in the workpiece welding conveying channel 4C and is slidably mounted between the workpiece input end and the workpiece output end in a reciprocating manner, and a workpiece welding lifting device 4E for supporting roller workpieces is arranged on the workpiece moving trolley 4D. Mainly there are five groups of head welding robot 4B in this mechanism, five groups of H type unipolar machine of shifting 4A, a work piece welding transfer passage 4C, a set of head welding robot 4B corresponds with a set of H type unipolar machine of shifting 4A, and a set of H type unipolar machine of shifting 4A department corresponds to the station that is used for welding a roll body work piece, and a set of head welding robot 4B includes two bilateral symmetry's head welding robot 4B, sets up work piece welding transfer passage 4C's both sides mainly are responsible for the welding of roll body work piece and head, and all mobilizable parts all can have signal intercommunication interlocking function, appear the condition such as collision during the prevention operation. The mechanism comprises two workpiece moving trolleys 4D, namely a workpiece input trolley and a workpiece output trolley; the workpiece input trolley is responsible for conveying workpieces subjected to end socket assembly to the H-shaped single-shaft position changing machine 4A, the workpiece input trolley and the H-shaped single-shaft position changing machine 4A have a signal intercommunication function, and the workpiece input trolley can convey the workpieces to a certain station preferentially through signal identification. The workpiece output trolley is responsible for conveying the welded workpiece to the next station, the workpiece output trolley and the H-shaped single-shaft positioner 4A have a signal intercommunication function, the workpiece output trolley can preferentially go to a certain station through signal identification to take the welded workpiece, and then the workpiece is sent to the next central shaft assembling process. Because the workpiece input trolley and the workpiece output trolley move on the same workpiece welding conveying channel 4C, a soft limiting device and a mutual-giving program are arranged between the two trolleys, and the trolley which is preferentially operated is determined by processing signals through the program. The workpiece input trolley and the workpiece output trolley are both trolleys which move on the workpiece welding conveying channel 4C according to instructions, are known by common engineering technicians in the field in the prior art, and are not described herein again. The H-shaped single-shaft positioner 4A is of an H-shaped structure, adopts servo control and is provided with an automatic clamp, when an input or output trolley sends and takes a workpiece, the positioner rotates 180 degrees to enable the direction of the workpiece to be downward, and the clamp can be automatically opened or clamped.

The working principle of the automatic end socket welding mechanism 4 is as follows:

firstly, after the workpiece moving trolley 4D receives a completion signal sent by the previous process, the output end of the seal head assembly conveying line 3C which goes to the previous process takes out the roller workpiece, and simultaneously identifies which station of the five groups of H-shaped single-shaft position changing machines 4A is in the state of waiting for the roller workpiece, if more than two stations are in the state of waiting for the workpiece, the roller workpiece is preferentially sent to the station which outputs the waiting signal firstly. The workpiece input trolley conveys the workpiece to an H-shaped single-shaft position changing machine 4A of a waiting workpiece, the upper clamp of the H-shaped single-shaft position changing machine 4A is in a downward opening state, the workpiece welding lifting device 4E of the workpiece input trolley lifts the roller workpiece to be in butt joint with the H-shaped single-shaft position changing machine 4A clamp, the H-shaped single-shaft position changing machine 4A clamp is clamped, the workpiece welding lifting device 4E of the workpiece input trolley descends, and the workpiece input trolley retreats to a standby position or repeats the working steps. The H type unipolar machine of shifting 4A anchor clamps are tight and are selected 180 to the work piece upset above, output signal gives head welding robot 4B, head welding robot 4B begins the welding, output signal gives the work piece output platform truck after the welding is accomplished, work piece output platform truck moves below this H type unipolar machine of shifting 4A, H type unipolar machine of shifting 4A is rotatory 180, work piece welding elevating gear 4E of work piece output platform truck rises, with the butt joint of roll body work piece, H type unipolar machine of shifting 4A anchor clamps are opened, work piece welding elevating gear 4E of work piece output platform truck descends, carry the work piece on the center pin assembly transfer chain 5A in the next center pin assembly process.

Referring to fig. 18, the work welding lifting device 4E includes two work welding lifting cylinders 4E01 fixedly installed at the top end of the work moving carriage 4D, and the telescopic end of the work welding lifting cylinder 4E01 faces upward and is installed with a welding V-shaped lifting bracket 4E02 for lifting up a roll work. When the workpiece input trolley moves to the output end of the head assembly conveying line 3C in the previous process to take a workpiece, the telescopic end of the workpiece welding lifting cylinder 4E01 extends out, so that the welding V-shaped lifting bracket 4E02 ascends to lift a roller workpiece from the head assembly conveying line 3C in the previous process, and then the workpiece input trolley moves to a specified position and is clamped by the corresponding H-shaped single-shaft positioner 4A; after the roller workpieces are welded, the workpiece output trolley moves to the corresponding station, the H-shaped single-shaft positioner 4A puts the welded workpieces on the corresponding welding V-shaped lifting bracket 4E02, and then the workpieces are output to the next central shaft assembling procedure by the workpiece output trolley. Because the telescopic end of the workpiece welding lifting cylinder 4E01 can extend and retract, the workpiece welding lifting cylinder 4E01 can be controlled to retract to avoid other devices during operation, and interference with other devices is avoided.

Referring to fig. 18, the H-shaped uniaxial positioner 4A includes a workpiece welding clamp fixing frame 4A01 correspondingly installed on two sides of the workpiece welding conveying channel 4C, a workpiece welding clamp rotating frame 4A02 for switching between a lower clamp station and an upper weld station is installed between the two workpiece welding clamp fixing frames 4A01 in a rotating manner, two ends of the workpiece welding clamp rotating frame 4A02 are installed on the workpiece welding clamp fixing frame 4A01 through rotation of a rotating shaft, one of the workpiece welding clamp fixing frames 4A01 is further installed with a rotating driving motor for driving the corresponding rotating shaft to rotate actively, the other rotating shaft rotates passively, the lower clamp station and the upper weld station are turned 180 ° in a rotating manner, the workpiece welding clamp rotating frame 4A02 is horizontal when the upper weld station is located, and a roller workpiece is located above the workpiece welding clamp rotating frame 4A02, when the lower end clamping station is used, the workpiece welding clamping rotating frame 4A02 is turned 180 degrees and is in a horizontal state, and the roller workpiece is located below the workpiece welding clamping rotating frame 4A 02.

Referring to fig. 18, the workpiece welding and clamping rotating frame 4a02 is further provided with a workpiece welding and clamping device for clamping and positioning the roller workpieces, and two ends of the workpiece welding and clamping rotating frame 4a02 are respectively provided with a welding end positioning device for positioning the ends of the roller workpieces. When the device works, after welding of a roller workpiece is finished, the workpiece welding clamping rotating frame 4A02 is turned over from the upper end welding station to the lower end clamping station, then the workpiece welding clamping device is opened, the roller workpiece is placed on the workpiece welding lifting device 4E and conveyed to the next central shaft assembling process, after the workpiece to be machined reaches the end socket welding station and is lifted to a specified height by the workpiece welding lifting device 4E, the workpiece welding clamping device is positioned in the workpiece welding clamping device, when the workpiece welding clamping device is not clamped, the welding end positioning device firstly extends out, two ends simultaneously push the roller workpiece to move along the axis, so that the roller workpiece is positioned at a specified position, then the workpiece welding clamping device clamps the roller workpiece and keeps a clamping state all the time, and the welding end positioning device resets, meanwhile, the workpiece welding clamping rotating frame 4A02 is turned to an upper end welding station, and the end socket welding robot 4B waits for welding the end socket and the roller workpiece.

Referring to fig. 18, the workpiece welding clamping device includes a welding V-shaped fixing bracket 4a03, the welding V-shaped fixing bracket 4a03 is fixed on the workpiece welding clamping rotating frame 4a02, the workpiece welding clamping rotating frame 4a02 is further hinged with a welding clamping positioning clamping arm 4a04 which is matched with the welding V-shaped fixing bracket 4a03 and used for clamping and positioning a roll workpiece, and a welding clamping arm driving cylinder 4a05 for driving the welding clamping positioning clamping arm 4a04 to clamp and open is arranged between one end of the welding clamping positioning clamping arm 4a04 and the workpiece welding clamping rotating frame 4a 02. The one end of welding arm lock actuating cylinder 4A05 is fixed on the revolving rack 4A02 is got to work piece welding clamp, the other end of welding arm lock actuating cylinder 4A05 articulates the welding clamp gets the one end of location arm lock 4A04, the welding clamp gets the middle part of location arm lock 4A04 and articulates on the revolving rack 4A02 is got to work piece welding clamp, the welding clamp get the end inboard of getting of location arm lock 4A04 be provided with the cooperation of welding V type fixed bracket 4A03 is used for getting and presss from both sides the arm lock V profile of pressing from both sides the tight roll body work piece. When the telescopic end of the welding clamp arm driving cylinder 4A05 extends out, the clamping end of the welding clamp positioning clamp arm 4A04 is pushed to swing towards the welding V-shaped fixing bracket 4A03, the distance between the clamping end and the welding V-shaped fixing bracket 4A03 is reduced, the clamping end and the welding V-shaped fixing bracket 4A03 are matched for clamping a workpiece, and then the clamping end and the welding V-shaped fixing bracket 4A03 are kept in the state for positioning a roller workpiece; when the telescopic end of the welding clamp arm driving cylinder 4A05 retracts, the clamping end of the welding clamp positioning clamp arm 4A04 is pushed to swing away from the welding V-shaped fixing bracket 4A03, at the moment, the workpiece assembling and clamping device is opened, and a roller workpiece can be separated from the workpiece assembling and clamping device.

Welding tip positioner is welding tip location cylinder 4A06, the flexible end of welding tip location cylinder 4A06 just installs the welding tip locating plate that is used for with roll body work piece tip contact towards the tip of roll body work piece, and when roll body work piece both ends welding tip location cylinder 4A06 all stretches out, makes both sides the welding tip locating plate contacts roll body work piece both ends respectively, is used for rectifying the position of roll body work piece for position accuracy when guaranteeing the welding.

The seal head welding robot 4B is a six-axis coordinate type welding robot. Welding robot divide into five groups altogether, and two of every group, every group robot is responsible for the welding of work piece on an H type unipolar machine of shifting 4A, and every robot all is provided with coordinate anticollision scope identification procedure, means that two robots are decided to can not appear in same coordinate department, can automatic identification self coordinate scope, prevent that special situations such as maloperation from causing the collision damage of robot. The robot is also provided with a vision recognition system to ensure the welding quality of the workpiece. The six-axis coordinate welding robot is known in the art and well known to those skilled in the art, and will not be described herein.

Referring to fig. 19, the central shaft automatic assembly mechanism 5 includes a central shaft assembly device 5B disposed on one side of the central shaft assembly conveying line 5A, the central shaft assembly device 5B is correspondingly disposed at the central shaft assembly station, and a central shaft feeding device 5C is correspondingly disposed at a feeding end of the central shaft assembly device 5B. Bearing automatic assembly mechanism 6 including be located the bearing material loading assembly quality 6A of center pin assembly transfer chain 5A both sides and with roll body centre gripping positioner 6B that bearing material loading assembly quality 6A corresponds, bearing material loading assembly quality 6A corresponds with roll body centre gripping positioner 6B and sets up in bearing assembly station department. Bearing material loading assembly quality 6A bilateral symmetry respectively sets up a large amount of bearings can prestore in the both sides of center pin assembly transfer chain 5A, and once storage can be used for a long time, saves artifically, carries the back of coming when the roll body work piece bearing material loading assembly quality 6A carries out automatic assembly with the bearing output.

The working principle of the central shaft automatic assembly mechanism 5 and the bearing automatic assembly mechanism 6 is as follows:

after the welding process between the roller body and the end enclosure is finished, the roller body enters a central shaft assembling and conveying line 5A of the mechanism process to assemble a central shaft and a bearing; during operation, the central shaft assembly conveying line 5A conveys the welded roller body workpiece to a central shaft assembly station, the central shaft feeding device 5C conveys the central shaft to be assembled to the central shaft assembly device 5B, the central shaft assembly device 5B automatically pushes the central shaft into the end socket center at the end part of the roller body workpiece to complete automatic assembly of the central shaft, after the central shaft is assembled, the central shaft assembly conveying line 5A continues to convey the central shaft to the next bearing assembly station, and at this time, the roller body workpiece to be assembled by the central shaft enters the central shaft assembly station, and the operations are repeated for assembly; when the roller workpiece with the assembled center shaft is conveyed to the bearing assembling station by the center shaft assembling conveying line 5A, the roller workpiece is stopped and firstly clamped by the roller clamping and positioning device 6B, then the bearing feeding and assembling device 6A automatically provides the bearing and assembles the bearing into end sockets at two ends of the roller workpiece, the automatic assembly of the bearing is completed, the roller workpiece is conveyed to be off-line by the center shaft assembling conveying line 5A after the assembly is completed, at the moment, the roller workpiece waiting for the assembly of the bearing enters the bearing assembling station, and the assembly is performed by repeating the operations.

Referring to fig. 19 and 20, the central shaft assembling device 5B includes a central shaft conveying table 5B01, a central shaft V-shaped groove 5B02 for placing a central shaft and being parallel to the axis of the roller body workpiece is arranged on the central shaft conveying table 5B01, the central shaft feeding device 5C is located at the feeding end of the central shaft V-shaped groove 5B02, and the discharging end of the central shaft V-shaped groove 5B02 corresponds to the roller body workpiece, so that the central shaft placed in the central shaft V-shaped groove 5B02 can just enter the seal head of the roller body workpiece; the central shaft conveying table 5B01 is further provided with a central shaft conveying slide rail 5B03 parallel to the axis of the roller body workpiece, a central shaft conveying slide carriage 5B04 is correspondingly installed on the central shaft conveying slide rail 5B03, the end part of the central shaft conveying slide carriage 5B04 is provided with a central shaft conveying push arm 5B05 extending into the central shaft V-shaped groove 5B02 and used for pushing the central shaft, and a conveying slide carriage driving device is arranged between the central shaft conveying slide carriage 5B04 and the central shaft conveying table 5B 01. When workpieces are assembled, firstly, the central shaft feeding device 5C conveys a central shaft to be assembled into the central shaft V-shaped groove 5B02, then the conveying slide seat driving device operates, so that the central shaft conveying slide seat 5B04 moves towards the end part of a roller workpiece along the central shaft conveying slide rail 5B03, and in the movement process of the central shaft conveying slide seat 5B04, the central shaft conveying push arm 5B05 pushes the outer end of the central shaft placed in the central shaft V-shaped groove 5B02, so that the central shaft slides inwards along the central shaft V-shaped groove 5B02 and enters the head center of the roller workpiece, and the automatic assembly of the central shaft is completed. Because a gap is formed between the end socket and the central shaft, the central shaft is sleeved in the end socket during assembly.

Referring to fig. 20, the conveying slide driving device includes a slide conveying rack 5B06 fixedly installed on the central shaft conveying table 5B01, the slide conveying rack 5B06 is parallel to the central shaft conveying slide rail 5B03, a slide conveying gear in transmission with the slide conveying rack 5B06 is installed on the central shaft conveying slide 5B04, a conveying slide driving motor 5B08 is further installed on the central shaft conveying slide 5B04, and the slide conveying gear is installed on a power shaft of the conveying slide driving motor 5B 08. During work, the conveying slide seat driving motor 5B08 rotates to drive the slide seat conveying gear to rotate, so that the slide seat conveying gear slides along the slide seat conveying rack 5B06, namely, the reciprocating sliding of the central shaft conveying slide seat 5B04 is realized; when the central shaft conveying slide carriage 5B04 moves inwards from the outer side, the central shaft conveying push arm 5B05 contacts the outer end of the central shaft to push the central shaft to move inwards; after the central shaft is assembled, the conveying slide seat driving motor 5B08 rotates reversely, the central shaft conveying slide seat 5B04 is driven to move outwards from the inner side until the outermost end of the central shaft conveying slide seat does not interfere with the feeding of the central shaft, and the next feeding and assembling are waited.

Referring to fig. 22, the central shaft feeding device 5C includes a step feeder for storing and discharging, and an inclined material guide plate corresponding to the feeding end of the central shaft V-shaped groove 5B02 is disposed at the discharging end of the step feeder. The step feeder is a stepped whole-row feeding feeder, is the prior art, belongs to the technology known by ordinary engineering technicians in the field, and the specific structure and the working principle of the step feeder are not described again; the ladder material loading machine can realize that the center pin is neatly arranged and is carried, and a large amount of center pins can be prestore to the ladder material loading machine, and once storage can be used for a long time, saves artifically. During working, the ladder feeding machine is used for outputting the central shaft, the central shaft rolls into the central shaft V-shaped groove 5B02 along the inclined guide plate, and during design, the central shaft can be accurately conveyed into the central shaft V-shaped groove 5B02 through the inclined guide plate.

The two sides of the central shaft assembly conveying line 5A are provided with central shaft assembly aligning cylinders used for upwards supporting roller body workpieces to adjust the coincidence of the axes of the roller body workpieces and the axis of the central shaft, the top ends of the central shaft assembly aligning cylinders are provided with V-shaped seats for supporting the roller body workpieces, and the central shaft assembly aligning cylinders correspond to the central shaft V-shaped grooves 5B 02. When the central shaft is conveyed to the central shaft assembly station, the central shaft assembly aligning air cylinders extend out to jack the roller body workpiece to set the height, so that the axis of the roller body center is coincided with the axis of the central shaft, and after the central shaft is conveyed to the roller body workpiece, the central shaft assembly aligning air cylinders retract to place the roller body workpiece back on the central shaft assembly conveying line 5A, so that the bearings of the roller body workpieces with different diameters can be coincided with the axis of the central shaft.

Referring to fig. 21, roll body centre gripping positioner 6B is including setting up the roll body centre gripping mount 6B01 in center pin assembly transfer chain 5A both sides, centre gripping arm lift cylinder is installed on the top of roll body centre gripping mount 6B01, centre gripping arm lift cylinder's flexible end just installs centre gripping arm installing support 6B03 up, centre gripping arm installing support 6B 03's front and back both ends articulate respectively has roll body location centre gripping arm 6B04, the inner of roll body location centre gripping arm 6B04 corresponds respectively and is provided with the V type groove that is used for centre gripping and location roll body, two it has the drive to articulate between the roll body location centre gripping arm 6B04 roll body location centre gripping arm 6B04 opens the centre gripping arm drive actuating cylinder 6B05 with the centre gripping. When the roller workpiece reaches the bearing assembling station, the clamping arm driving cylinder 6B05 retracts to control the two roller positioning clamping arms 6B04 to change from an open state to a clamping state, the roller workpiece is clamped, the clamping arm lifting cylinder extends out to drive the clamping arm mounting bracket 6B03 to ascend to a specified height, and then the bearing feeding and assembling device 6A is automatically assembled; after the bearing assembly is completed, the clamping arm lifting cylinder retracts to drive the clamping arm mounting support 6B03 to descend, the roller workpieces are placed back on the central shaft assembly conveying line 5A, then the clamping arm driving cylinder 6B05 extends to control the two roller positioning clamping arms 6B04 to be in an opening state from a clamping state, and at the moment, the clamping arm lifting cylinder continues to retract to avoid the central shaft assembly conveying line 5A.

When the bearing is assembled, the bearing is firstly pushed into the central shaft, then the bearing is pushed into the end enclosure, the bearing is tightly matched with the central shaft and the end enclosure, the bearing is extruded outside the central shaft and in the end enclosure, and because the bearings on two sides of the roller workpiece are simultaneously installed when the bearing is installed, the central shaft does not need to be axially positioned. However, before the bearing is assembled, the central shaft and the end enclosure are sleeved with a gap, so that when the bearing is assembled, the central shaft and the axis of the roller workpiece are overlapped, and the bearing can be smoothly installed in the end enclosure of the roller workpiece after being installed on the central shaft. Therefore, bearing assembling aligning jacking cylinders 6B06 for upwards supporting the central shaft to adjust the coincidence of the axis of the roller workpiece and the axis of the central shaft are correspondingly arranged on two sides of the roller clamping and positioning device 6B, a V-shaped seat for supporting the central shaft is arranged at the top end of the bearing assembling aligning jacking cylinder 6B06, and the bearing assembling aligning jacking cylinders 6B06 correspond to the bearing feeding and assembling device 6A. When roll body centre gripping positioner 6B centre gripping location has accomplished the roll body work piece after, bearing assembly aligning jacking cylinder 6B06 stretches out, with center pin jack-up for the axis of center pin and the axis coincidence of roll body work piece, then wait for the assembly of bearing, after the bearing assembles the center pin on, bearing assembly aligning jacking cylinder 6B06 withdrawal, the center pin no longer needs bearing assembly aligning jacking cylinder 6B06 to support this moment, the center pin by the bearing this moment bearing material loading assembly device 6A restriction, therefore the axis of center pin and the axis of roll body still are the coincidence, the bearing can be extruded smoothly and get into to the mounting groove of bearing in.

The bearing feeding and assembling device 6A has the same structure and the same feeding principle as the automatic end socket feeding device 3F, and therefore is not separately shown in the drawing. The bearing feeding and assembling device 6A comprises a bearing storage box body 6A01 with a bearing storage cavity, the bottom end of the bearing storage box body 6A01 is provided with a bearing discharging plate which inclines downwards, the bottom end of the bearing discharging plate is provided with a bearing discharging hole, a bearing chain transmission device with feeding and discharging at intervals is further arranged outside the bearing discharging box body, the feeding end of the bearing chain transmission device corresponds to the bearing discharging hole, the discharging end of the bearing chain transmission device is provided with a bearing discharging hole, the bearing discharging hole is correspondingly provided with a bearing discharging groove 6A03 matched with a bearing, when a roller body workpiece is clamped by the roller body clamping and positioning device 6B, two ends of the roller body workpiece just correspond to the bearing discharging groove 6A03, the rear side of the bearing discharging hole on the bearing discharging groove 6A03 is correspondingly provided with a bearing pushing oil cylinder 6A04 which pushes a bearing out from the bearing discharging hole to the bearing discharging groove 6A03, the bearing push-out oil cylinder 6A04 is provided with an annular extrusion part for mounting a bearing, and the annular extrusion part is of an annular structure corresponding to the outer ring and the inner ring of the bearing and can penetrate through the central shaft.

The bearing chain transmission device comprises a bearing transmission box, two transmission chain wheels are arranged in the bearing transmission box, a driving motor is connected onto one transmission chain wheel, a transmission chain which is driven up and down is connected between the two transmission chain wheels, bearing seats which correspond to the bearing feed opening and are used for bearing feeding are arranged on the transmission chain at intervals, a plurality of stop blocks which stop the seal head feed opening to prevent the seal head from rolling out randomly are further arranged on the transmission chain, the bearing feed opening is positioned below one side of the bearing chain transmission device, and the discharge opening is positioned above the other side of the bearing chain transmission device; the intermittent discharging process is realized through the bearing chain transmission device. Bearing in the bearing storage box 6A01 goes out the flitch landing through the bearing of downward sloping extremely bearing discharge opening department, the transmission in-process about the driving chain works as the bearing seat process bearing discharge opening department, bearing are held up by nature and are promoted, and when bearing seat motion to return stroke section downstream, the bearing was followed break away from the motion extremely on the bearing seat bearing department, then by the flexible end that the hydro-cylinder 6A04 was released to the bearing stretches out, follows the bearing discharge gate is released extremely on the bearing blown down tank 6A03, at first annular extrusion portion extrudees the bearing to the center epaxial, then continues to push the bearing and extrudees to the head in, accomplishes the automatic assembly of bearing again.

The structure of the central shaft assembly conveying line 5A is the same as that of the end socket assembly conveying line 3C. The center pin assembly transfer chain 5A includes fixed mounting's transfer chain support body, be provided with transfer chain driving shaft and transfer chain driven shaft on the transfer chain support body, the transmission is connected with transfer chain driving motor on the transfer chain driving shaft, the transfer chain driving shaft with be connected with two transfer chain driving chains through chain gear drive between the transfer chain driven shaft, two it is provided with a plurality of transfer chain V type seats that are used for bearing roll body work piece both ends to correspond between the transfer chain driving chain. And the conveying line driving motor drives the conveying line transmission chain to move, so that a roller body workpiece arranged on the V-shaped seat of the conveying line is driven to move among a plurality of stations and processes.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Full-automatic production line of bearing roller, its characterized in that: the automatic pipe feeding mechanism for automatically outputting pipe raw materials, the conveying and sizing cutting mechanism for conveying the pipe raw materials and cutting the pipe raw materials into roller workpieces in a fixed length mode, the automatic head assembling mechanism for automatically assembling the head and the roller workpieces, the automatic head welding mechanism for automatically welding the roller bodies and the heads, the automatic center shaft assembling mechanism for automatically assembling the center shaft and the roller workpieces and the automatic bearing assembling mechanism for automatically assembling the bearings and the roller workpieces are sequentially arranged along the movement direction of the roller bodies.

2. A full-automatic idler production line as recited in claim 1, characterised in that: the conveying, sizing and cutting mechanism comprises a pipe automatic travelling mechanism which is arranged at the blanking end of the pipe automatic feeding mechanism and used for conveying pipe raw materials along the axis direction of the pipe raw materials, the discharge end of the pipe automatic travelling mechanism is provided with an automatic pipe cutting device for cutting the pipe raw materials into roller body workpieces, the discharge end of the automatic pipe cutting device is provided with an automatic workpiece travelling mechanism for conveying the roller body workpieces, and the automatic workpiece travelling mechanism is also provided with an automatic workpiece sizing device which is matched with the automatic pipe cutting device and used for determining the cutting length of the roller body workpieces; the output end of the automatic workpiece travelling mechanism is also provided with a workpiece rotating device which is used for rotating the roller workpiece by 90 degrees and inputting the roller workpiece into the automatic seal head assembling mechanism.

3. A full-automatic idler production line as claimed in claim 2, wherein: the automatic running gear of tubular product includes the fixed support body of running gear, a plurality of tubular product bearing gyro wheels that are used for bearing tubular product raw materials have evenly been arranged on the fixed support body of running gear, install the tubular product walking support along tubular product raw materials axis direction motion on the fixed support body of running gear, tubular product walking support with be provided with the drive between the fixed support body of running gear the walking support drive arrangement of tubular product walking support motion, the upper portion of tubular product walking support is installed relatively and is used for the terminal clamping device of the terminal tubular product of the tight tubular product raw materials of cooperation clamp, the tubular product head side clamping device of supplementary tight tubular product raw materials head end of clamp is still installed to the discharge end of the fixed support body of running gear, still install the tubular product tip alignment device who is used for fixing a position the first and last both ends.

4. A full-automatic idler production line as claimed in claim 2, wherein: the automatic workpiece walking mechanism comprises a workpiece walking frame body, a plurality of workpiece bearing rollers for bearing roller workpieces are uniformly arranged on the workpiece walking frame body, and a roller driving device for driving the workpiece bearing rollers to rotate is further installed on the workpiece walking frame body.

5. A full-automatic idler production line according to claim 4, characterised in that: the automatic workpiece sizing device comprises a sizing installation seat plate which is detachably mounted on the workpiece walking frame body, a sizing driving telescopic cylinder is hinged to the bottom end of the sizing installation seat plate, a workpiece sizing swing arm which swings and switches between a vertical limiting state and a horizontal avoiding state is mounted on the sizing installation seat plate, the middle of the workpiece sizing swing arm is hinged to the sizing installation seat plate, a workpiece sizing baffle for limiting the end part of a pipe raw material is mounted at the top of the workpiece sizing swing arm, and the bottom end of the workpiece sizing swing arm is hinged to the sizing driving telescopic cylinder.

6. A full-automatic idler production line as claimed in claim 2, wherein: tubular product automatic feeding mechanism includes tubular product storage support body, the top setting of tubular product storage support body is used for placing the tubular product raw materials and is the orientation the tubular product storage flitch of the automatic running gear downward sloping of tubular product, both ends correspondence is provided with around the tubular product storage support body and is used for tubular product raw materials automatic output extremely automatic feeding device on the automatic running gear of tubular product.

7. A full-automatic idler production line as recited in claim 1, characterised in that: the automatic seal head assembling mechanism comprises a workpiece assembling and jacking device and a workpiece assembling and clamping device, wherein the workpiece assembling and jacking device is arranged below the seal head assembling and conveying line and used for upwards supporting a roller body workpiece, the workpiece assembling and clamping device is arranged above the seal head assembling and conveying line and used for clamping the lower end of the roller body workpiece and clamping the upper end of the roller body workpiece, the workpiece assembling and clamping device corresponds to the workpiece assembling and jacking device, two ends of the workpiece assembling and clamping device are provided with seal head assembling devices located at ends of the roller body workpiece and used for assembling a seal head to the end of the roller body workpiece, and two sides of the seal head assembling and conveying line are correspondingly provided with seal head assembling robots used for clamping the seal head to the end of the roller body workpiece to wait.

8. A full-automatic idler production line as recited in claim 1, characterised in that: head automatic weld mechanism includes that the multiunit sets up side by side and presss from both sides the H type unipolar machine of shifting that overturns between getting station and the upper end welding station at the lower extreme, every group the both sides of H type unipolar machine of shifting correspond respectively and install and be used for head and roll body work piece welded head welding robot, the below of H type unipolar machine of shifting is provided with work piece welding transfer passage, install reciprocal slidable mounting between work piece input and work piece output in the work piece welding transfer passage and have work piece moving trolley, the last work piece welding elevating gear who installs the bearing roll body work piece of work piece moving trolley.

9. A full-automatic idler production line as recited in claim 1, characterised in that: the automatic central shaft assembling mechanism comprises a central shaft assembling device arranged on one side of the central shaft assembling conveying line, and a central shaft feeding device is correspondingly arranged at the feeding end of the central shaft assembling device; and central shaft assembly aligning cylinders for upwards supporting the roller body workpieces to adjust the coincidence of the axes of the roller body workpieces and the axis of the central shaft are arranged on two sides of the central shaft assembly conveying line.

10. A full-automatic idler production line as recited in claim 1, characterised in that: the automatic bearing assembling mechanism comprises bearing feeding assembling devices positioned on two sides of the central shaft assembling conveying line and roller clamping and positioning devices corresponding to the bearing feeding assembling devices; and bearing assembling aligning jacking cylinders used for upwards supporting the central shaft to adjust the coincidence of the axis of the roller workpiece and the axis of the central shaft are further arranged on two sides of the roller clamping and positioning device, and the bearing assembling aligning jacking cylinders correspond to the bearing feeding and assembling device.