CN108083621B

CN108083621B - Glass tube cutting and bottom sealing device

Info

Publication number: CN108083621B
Application number: CN201810056042.5A
Authority: CN
Inventors: 马海洋
Original assignee: Nanjing Huikang Glass Products Co ltd
Current assignee: NANJING HUIKANG GLASS PRODUCTS Co.,Ltd.
Priority date: 2018-01-20
Filing date: 2018-01-20
Publication date: 2020-11-06
Anticipated expiration: 2038-01-20
Also published as: CN108083621A

Abstract

The invention discloses a glass tube cutting and bottom sealing device which comprises a rack, wherein the rack is connected with a plurality of sleeves which are arranged in parallel at intervals, each sleeve consists of two sleeve sections which are arranged oppositely, the middle of each sleeve section is disconnected, and the sleeve sections extend out of two sides of the rack, clamp seats are rotatably connected to the sleeve sections, the two clamp seats on the two opposite sleeve sections are concentrically arranged, clamps are connected to the outer end parts of the clamp seats, a power mechanism which drives the two opposite clamp seats to rotate synchronously and in the same direction is connected to the rack, a heating device which is positioned between the two opposite sleeve sections is arranged on the rack, and a cutting plate which is arranged corresponding to the heating device and driven by a cutting power device to slide up and down is connected to the upper part. The invention can automatically cut a plurality of glass tubes into a plurality of glass cups with cup bottoms, and has the advantages of high working efficiency and good forming quality.

Description

Glass tube cutting and bottom sealing device

Technical Field

The invention relates to a glass tube cutting and bottom sealing device.

Background

The prior single-layer glass cup manufacturing methods mainly comprise two methods, one method is a kiln production method, namely a method of pressing or blowing a mould, and high-temperature glass liquid is forced to be formed in the mould by utilizing the punching of a punch or the pressure of air pressure. The other method is a cutting production method, firstly, a glass tube is manufactured, the glass tube is used as a raw material, two ends of the glass tube are clamped and supported and synchronously rotated, the flame is used for locally heating the middle part of the glass tube until the glass is softened, the heating temperature is 820-1500 ℃, a blade made of a heat-resistant material with the thickness smaller than the width of a heating region and without affinity with the glass is used for slowly cutting from the middle of the heating region, and one glass tube is gradually formed into two glass cups with cup bottoms; the method has high manufacturing efficiency and low production cost, and in addition, the glass has good forming quality.

In order to realize the cutting production method, machine tool equipment is mostly adopted to be modified in the prior art so as to manufacture a corresponding cutting machine, namely, a clamping and rotating mechanism (three-jaw chuck) of the machine tool is utilized to drive the glass tube to rotate, and then a corresponding heating mechanism and a corresponding cutting mechanism are modified to form the cutting machine. For example, in the prior art, a single-layer glass cup thick bottom sealing machine is formed by modifying a lathe, a chuck of the lathe is used as a left clamp, an ejector pin mechanism of the lathe is modified into a right clamp, and the lathe is connected with a flaming device and a cutting device; the glass tube is clamped by the left clamp and the right clamp, the middle part of the glass tube is heated by the flame spraying device, and the heating area is cut by the cutting device to manufacture the glass cup with the cup bottom. The glass tube clamping device has the disadvantages that firstly, a clamping tool such as a chuck is used for clamping the glass tube, the middle of the glass tube is heated, so that the problem of deformation of a clamping part is easily caused, the problem of poor production quality is caused, a shaping device at the later stage is required for repairing and shaping, and the problems of high production cost and high rejection rate are caused; secondly, because only one glass tube can be clamped at a time, namely only two glass cups can be formed at a time, the labor efficiency is low.

Disclosure of Invention

The invention aims to provide a glass tube cutting and bottom sealing device with good forming quality and high efficiency.

In order to solve the technical problem, the glass tube cutting and bottom sealing device comprises a frame, and is characterized in that: the frame is connected with a plurality of sleeves arranged at intervals in parallel, each sleeve consists of two sections of sleeve sections which are oppositely arranged, disconnected in the middle and extended out to two sides of the frame, the sleeve sections are concentrically connected with two clamp seats which are oppositely arranged, the outer end parts of the clamp seats are connected with clamps, the frame is connected with a power mechanism which orders about the two clamp seats which are oppositely arranged and rotates in the same direction, the frame is provided with a heating device which is arranged between the two sleeve sections which are oppositely arranged, and the upper part of the frame is connected with a cutting plate which is correspondingly arranged with the heating device and is driven by a cutting power device to slide up and down.

After adopting above-mentioned structure, the glass pipe cartridge that will treat the processing is in every sleeve, the both ends of grasping the glass pipe through anchor clamps, power unit drive anchor clamps seat rotates, two relative anchor clamps seats are synchronous and the syntropy rotates, prevent that the glass pipe from rotating the in-process and producing the distortion, heating device heats for the glass pipe, it is close molten state to heat to the glass softening, because the glass pipe is in the rotation state, therefore the heating is very even, rethread cutting power unit drive cutting board moves down, along with the rotation of glass pipe cutting board with the glass pipe become two sections and realize the back cover simultaneously, two glass cups that have the bottom of a cup have been made. Due to the arrangement of the plurality of sleeves, a plurality of glass tubes can be cut simultaneously according to the length design of the cutting plate and the number of the sleeves, so that the labor efficiency is greatly improved; due to the design of the structure, the clamping position is kept away from the heating area to the maximum extent, the deformation problem of the clamping position is avoided, and the forming quality of the glass cup is greatly improved.

As a specific structural style and improvement, the cutting power device comprises a cutting support frame connected to a rack, a cutting knife rest capable of sliding up and down is connected to the cutting support frame, a cutting plate is connected to the cutting knife rest, a driving cam driven to rotate by a power machine is rotatably connected to the cutting support frame, the driving cam is provided with an outer circumferential convex surface driving the cutting knife rest to move downwards, and a reset tension spring is connected between the cutting knife rest and the cutting support frame. The cutting knife rest is driven to move downwards through the driving cam, the shape of the surface of the driving cam can be fully utilized, so that the speed and the displacement of the cutting plate moving downwards are controlled fully, the forming quality is guaranteed while the cutting efficiency is improved, and the reset tension spring plays a role in resetting after the cutting is finished.

The cutting knife rest is connected with a guide post which can slide up and down along the cutting support frame.

As a concrete structural style and improvement, the power mechanism comprises a motor connected to the rack, the sleeve sections are connected with chain wheels, the sleeve sections positioned on the same side of the rack are connected through chain transmission of an outer wrapping chain wheel, the rack is connected with a middle transmission shaft connected with the power of the motor, the middle transmission shaft is provided with the chain wheels, the chain wheels on the two sleeve sections which are oppositely arranged are respectively connected with the chain wheels on the middle transmission shaft through chain transmission, two opposite clamp seats can synchronously rotate in the same direction, and the power transmission structure is simple and reliable.

The heating device comprises a plurality of groups of nozzles connected with an air source, each group of nozzles are correspondingly arranged below the middle disconnection part of the sleeve, and each group of nozzles comprises at least two nozzles, and the spraying direction of the nozzles faces to the middle disconnection part.

The clamp is a multi-jaw chuck.

In conclusion, the glass tube cutting machine can automatically cut a plurality of glass tubes into a plurality of glass cups with cup bottoms, and has the advantages of high working efficiency and good forming quality.

Drawings

The invention is further described with reference to the accompanying drawings in which:

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

FIG. 2 is a schematic top view of the cutting power assembly and cutting plate of FIG. 1 with the cutting power assembly and cutting plate removed;

FIG. 3 is a schematic left side view of the structure of FIG. 1;

fig. 4 is a schematic view of the structure in the direction a in fig. 3.

Detailed Description

Referring to fig. 1, 2 and 3, the present invention provides an embodiment of a bottom sealing device for cutting glass tubes, which for convenience of description, the left-right direction in fig. 1 is the longitudinal direction of the device, and the direction perpendicular to the paper surface is the transverse direction, and includes a frame 1, the frame 1 is connected with a plurality of sleeves 2 arranged in parallel and at intervals, each sleeve 2 is composed of two sleeve segments which are arranged oppositely and disconnected in the middle and extend to the two sides of the frame, the two sleeve segments are arranged concentrically, in the embodiment in the figure, two sleeves 2 arranged transversely and longitudinally are provided, of course, according to specific design requirements, three or more sleeves can be designed, the two clamp seats 3 are rotatably connected on the segments and arranged concentrically on the two opposite sleeve segments, the outer end portions of the clamp seats 3 are connected with clamps, as shown in fig. 1 and 2, the clamp provided in this embodiment is a three-jaw chuck 9, of course, a four-jaw chuck or the like may be used, and will not be described in detail herein, in order to clamp the end of the glass tube. In this embodiment, the power mechanism includes a motor 15 connected to the frame, a sprocket is connected to the sleeve section, the sprocket may be a double-row sprocket, a plurality of sleeve sections located on the same side of the frame are connected by chain transmission of an outer enveloping sprocket, a middle transmission shaft 7 connected to the motor 15 is connected to the frame 1, a sprocket is mounted on the middle transmission shaft 7, wherein the sprocket on the two sleeve sections and the sprocket on the middle transmission shaft are connected by chain transmission, referring to the rotation arrow indication line in fig. 1, it can be clearly seen that the plurality of clamp seats rotate in the same direction, i.e. the rotation direction is the same, of course, the same rotation can also be realized by other structures, e.g. a middle shaft is arranged between two adjacent clamp seats on the same side of the frame, all adopt the gear to carry out transmission connection etc. between anchor clamps seat and the countershaft, do not give unnecessary details here, the structure that adopts in this embodiment is simplest, stable, and the maintenance is simple and convenient and the expense is low.

Referring to fig. 1 to 4, a heating device is mounted on the frame 1 and located between two oppositely arranged sleeve segments, the heating device includes a plurality of sets of nozzles 8 connected to a gas source, the gas source is not shown in the figures and is used for supplying gas, each set of nozzles 8 is correspondingly arranged below a middle breaking part of the sleeve 2, each set of nozzles includes at least two nozzles, and the spraying direction of the nozzles faces to the middle breaking part, namely, the tops of the nozzles are inclined inwards, and flames are sprayed obliquely upwards, so as to better heat the glass tube. The upper part of the frame 1 is connected with a cutting plate 6 which is arranged corresponding to the heating device and is driven by a cutting power device to slide up and down, the cutting plate 6 is made of graphite which is not compatible with glass, the thickness of the cutting plate is less than the width of a heating area of a glass tube, the cutting power device comprises a cutting support frame 11 which is connected with the frame, a cutting knife rest 12 which can slide up and down is connected on the cutting support frame 11, a guide post 10 which can slide up and down along the cutting support frame is connected on the cutting knife rest 12, the up and down sliding can be realized by adopting a matching structure of a guide rail sliding seat, the cutting plate 6 is connected on the cutting knife rest 12, a driving cam 13 which is driven by a power machine to rotate is rotatably connected on the cutting support frame 11, the driving cam 13 is provided with an outer circumferential convex surface which drives, the cutting knife rest is driven by the driving cam to slide downwards, the cam rotates for a certain angle, the reset tension spring pulls up the cutting knife rest, the shape of the cam shown in the drawing can be designed according to the cutting requirement, namely, the outer circumference convex surface of the driving cam 13 is provided with two opposite arc-shaped surfaces and inclined surfaces respectively connected with the two arc-shaped surfaces, the cutting plate can slowly descend when the cutting starts, the descending distance of the cutting plate is gradually increased, and the cutting knife rest can also be designed into other shapes.

As shown in fig. 1 to 4, when the above preferred embodiment is used, a glass tube to be processed is inserted into each sleeve, i.e. the glass tube is located in two opposite sleeve sections, the middle breaking part of each sleeve is a heating part, two ends of the glass tube are clamped by a three-jaw chuck, the clamping part is furthest away from the heating area, the clamping deformation problem is avoided, a motor is started to rotate a clamp seat, the glass tube is driven to rotate by the three-jaw chuck, a nozzle is sprayed to the glass tube to heat the glass tube after ignition, the glass is heated to a softening and melting state, a driving cam 13 is driven to rotate by a power machine, a cutting plate 6 slides downwards from the upper part of the heating area to cut, and the glass has a certain viscosity, so that the cutting fracture cannot be generated during the initial slow cutting and the rotation of the glass tube, the lower tangent plane of one glass tube is gradually stretched and forms the cup bottom of the glass cup gradually, until the glass is completely cut off and separated by the cutting plate 6, so that a glass tube is cut into glass cups with two cup bottoms; the method has high manufacturing efficiency and low production cost, in addition, the forming quality of the glass cup is good, the actions can be controlled by a PLC controller, and according to the described action process, a person skilled in the art can select a controller and a control circuit in the prior art, and detailed description of the specific structure is omitted.

The present invention may also have other embodiments, and other technical solutions formed in the claims are not described in detail, and the present invention is not limited by the above embodiments, and equivalent changes and component replacements based on the above embodiments of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a glass tube cutting back cover device, includes frame (1), characterized by: the glass tube cutting machine is characterized in that the rack (1) is connected with a plurality of sleeves (2) which are arranged in parallel at intervals, a glass tube to be processed is inserted into each sleeve, each sleeve (2) consists of two sections of sleeve sections which are arranged oppositely, the middle of each sleeve section is disconnected, and the two sections of sleeve sections extend out of two sides of the rack, the sleeve sections are rotatably connected with the clamp seats (3), the two clamp seats on the two opposite sleeve sections are concentrically arranged, the outer end parts of the clamp seats (3) are connected with clamps, the rack is connected with a power mechanism which drives the two opposite clamp seats to synchronously rotate in the same direction, the rack (1) is provided with a heating device positioned between the two opposite sleeve sections, and the upper part of the rack (1) is connected with a cutting plate (6) which is; cutting power device is connected with gliding cutting knife rest (12) from top to bottom including connecting cutting support frame (11) in the frame on cutting support frame (11), cutting board (6) are connected on cutting knife rest (12), it is connected with by engine drive pivoted drive cam (13) to rotate on cutting support frame (11), and drive cam (13) have the outer circumference convex surface of ordering about cutting knife rest downstream, and the outer circumference convex surface of drive cam (13) has two relative arc surfaces and connects the inclined plane on two arc surfaces respectively, realizes that the cutting board slowly descends and increases the descending distance of cutting board gradually when the cutting begins, be connected with extension spring (14) that resets between cutting knife rest (12) and the cutting support frame.

2. The glass tube cutting and bottom sealing device as claimed in claim 1, wherein: the cutting knife rest (12) is connected with a guide post (10) which can slide up and down along the cutting support frame.

3. The glass tube cutting and bottom sealing device as claimed in claim 1, wherein: the power mechanism comprises a motor (15) connected to the rack, chain wheels are connected to the sleeve sections, the sleeve sections located on the same side of the rack are connected through chain transmission of the outer wrapping chain wheels, a middle transmission shaft (7) in power connection with the motor (15) is connected to the rack (1), chain wheels are mounted on the middle transmission shaft (7), and the chain wheels on the two sleeve sections which are arranged oppositely are connected with the chain wheels on the middle transmission shaft through chain transmission.

4. The glass tube cutting and bottom sealing device according to any one of claims 1 to 3, wherein: the heating device comprises a plurality of groups of nozzles (8) connected with an air source, each group of nozzles (8) are correspondingly arranged below the middle disconnection part of the sleeve (2), and each group of nozzles comprises at least two nozzles, and the spraying directions of the nozzles face to the middle disconnection part.

5. The glass tube cutting and bottom sealing device according to any one of claims 1 to 3, wherein: the clamp is a multi-jaw chuck.