CN117856004A - Automatic PIN inserting device and method for U-shaped PIN - Google Patents

Abstract

The invention provides a U-shaped PIN automatic PIN inserting device and a method, wherein the automatic PIN inserting device comprises a base body, a pushing mechanism, a pattern engraving mechanism, a bending mechanism, a pressing mechanism and a stitch flattening cutter, wherein a product conveying channel is formed at the top of the base body, and a PIN inserting station, a bending station and a pressing station are sequentially arranged in the product conveying channel along the conveying direction; the pushing mechanism is arranged at the input end of the product conveying channel; the pattern biting mechanism is arranged above the pin inserting station; the bending mechanism is arranged above the bending station; the pressing mechanism is arranged above the pressing station; stitch cuts Ping Daoju are provided below the press-in stations. The invention has the advantages that: the whole production process does not need manual intervention, so that the production efficiency can be effectively improved, and the production cost is reduced.

Description

Automatic PIN inserting device and method for U-shaped PIN

[ field of technology ]

The invention relates to the technical field of PIN insertion, in particular to an automatic U-shaped PIN PIN inserting device and method.

[ background Art ]

PIN needles are a metallic substance used to accomplish electrical or signal transmission and, in use, require bending the PIN needle into a desired shape and inserting it into the product skeleton. In some products, it is desirable to bend the PIN needle into a U-shaped configuration and insert it into the product backbone.

At present, the production procedure for U-shaped PIN products is generally as follows: 1. straightening the wire; 2. cutting the straightened wire into small sections by using a diagonal pliers; 3. stamping the sheared wire rod into a U-shaped PIN by using a stamping machine; 4. inserting a U-shaped PIN into the product skeleton; 5. the bottom of the U-shaped PIN is flattened by using a PIN cutting device. Because the existing production processes mostly need to rely on manual operation, and each process position is generally scattered at each position of a workshop, the occupied space is large, the production cost is high, and the production efficiency is low. In view of the above problems, the present inventors have conducted intensive studies on the problems, and have produced the present invention.

[ invention ]

The invention aims to solve the technical problems of large occupied space, high production cost and low production efficiency of the existing U-shaped PIN product during production.

The invention is realized in the following way: a U-PIN automatic PIN device, the automatic PIN device comprising:

the base comprises a base body, wherein a product conveying channel is formed at the top of the base body, and the product conveying channel is sequentially provided with a pin inserting station, a bending station and a pressing-in station along the conveying direction;

the pushing mechanism is arranged at the input end of the product conveying channel and pushes the product framework in the product conveying channel to a required station;

the pattern-biting mechanism is arranged above the pin inserting station, and inserts the wire into the product framework and cuts the wire through the pattern-biting mechanism;

the bending mechanism is arranged above the bending station, and a wire rod inserted into the product framework is folded into a U-shaped PIN needle through the bending mechanism;

the pressing mechanism is arranged above the pressing station and is used for pressing the U-shaped PIN needle into the product framework;

stitch cuts flat cutter, stitch cuts Ping Daoju locates the below of impressing the station, and will impress the U type PIN needle's that product skeleton bottom cut flat through stitch cuts flat cutter.

Further, the bending mechanism includes:

the U-shaped bending component is arranged above the middle part of the product conveying channel and is used for bending the wire rod into a U shape;

the pre-press bending assemblies are arranged at two sides of the U-shaped bending assembly, and the wire is pre-press bent through the pre-press bending assemblies before being bent into a U shape;

and the stop component is arranged at the front end of the U-shaped folding component and is used for blocking the wire rod inserted into the product framework before the wire rod is pre-bent.

Further, the pre-bending component comprises a first floating block, a first guide pillar and a first spring; the bottom of the first floating block is provided with first guide posts at two ends along the length direction of the product conveying channel, the base body is provided with first guide post holes at positions corresponding to the first guide posts, and the lower ends of the first guide posts are inserted into the first guide post holes; the lower end of the first spring is propped against the bottom of the first guide pillar hole, and the upper end of the first spring is sleeved outside the first guide pillar; the first floating block is provided with an inclined plane for pre-bending the wire rod at one side close to the U-shaped folding component.

Further, the stop assembly comprises a stop block and a telescopic component; the stop block is movably arranged on one side of the product conveying channel, the telescopic component is connected with the stop block, and the stop block is driven to enter or exit from the upper side of the product conveying channel through the telescopic component.

Further, the U-shaped bending component comprises a second floating block, a second spring and a bending piece; the second floating blocks are arranged between the first floating blocks at two sides and are connected with the first floating blocks through the second springs; the bending piece is arranged at the bottom of the second floating block.

Further, the pattern mechanism includes:

a frame;

the wire biting device comprises a rack, a wire biting assembly and a wire biting assembly, wherein the wire biting assembly is arranged on the rack and used for biting wires, and the wire biting assembly is provided with a first bearing;

the main shaft is rotatably arranged on the biting disc along the vertical direction, and one end of the main shaft is provided with a first driving part; a first cam is arranged on the main shaft at a position corresponding to the first bearing, and the first cam is matched with the first bearing to drive the wire biting assembly to loosen or bite the wire rod;

the lifting driving cam is positioned above the main shaft, a second driving part is arranged at the upper end of the lifting driving cam, the second driving part is fixed on the frame, and the main shaft and the flower-biting disc are driven to lift by the lifting driving cam;

the wire cutting tool is arranged at the bottom of the rack, and the position of the wire cutting tool corresponds to the position of the wire biting component; the wire cutting tool is provided with a second bearing, a second cam is arranged on the main shaft at a position corresponding to the second bearing, and the wire cutting tool is driven to cut off the wire through the cooperation of the second cam and the second bearing.

Further, the pressing mechanism comprises a supporting seat, a third floating block, a second guide post, a pressing block and a third spring;

the supporting seat is arranged above the pressing-in station, and a second guide pillar hole is formed in the supporting seat; the third floating block is arranged above the supporting seat, the upper end of the second guide column is connected with the third floating block, and the lower end of the second guide column is inserted into the second guide column hole; the third spring is sleeved outside the second guide post, the upper end of the third spring is propped against the third floating block, and the lower end of the third spring is propped against the supporting seat; the pressing block is connected with the third floating block, and the supporting seat is provided with a movable channel for the pressing block to move up and down.

Further, the input end of the product conveying channel is provided with an extension channel extending to the outside of the base body; the pushing mechanism is a pushing manipulator arranged above the extension channel.

Further, the lengths of the pin inserting station, the bending station and the pressing station along the conveying direction are equal to the length of the product framework.

In a second aspect, a method for automatically inserting a U-PIN, where the method uses the above-mentioned U-PIN automatic insertion device, includes the following steps:

placing the product skeleton into a product conveying channel, controlling a pushing mechanism to push the product skeleton closest to the PIN inserting station, simultaneously pushing the product skeleton inserted with wires to a bending station from the PIN inserting station, and pushing the product skeleton with the U-shaped PIN PINs to a pressing-in station from the bending station;

controlling the embossing die mechanism to clamp the wire rod, pulling the wire rod downwards and inserting the wire rod into a product framework of the pin inserting station, and cutting the wire rod according to the required length;

the control bending mechanism firstly pre-bends wires on a product framework of a folding station, and then bends the pre-bent wires into U-shaped PIN needles;

the control pressing mechanism presses the U-shaped PIN needle on the product framework of the pressing station into the product framework, and the control stitch flattening cutter flattens the bottom of the U-shaped PIN needle pressed into the product framework.

By adopting the technical scheme of the invention, the invention has at least the following beneficial effects:

1. through pushing equipment, the pattern die mechanism that stings, mechanism of bending, press-in mechanism and stitch cut the mutual cooperation of flat cutter, can realize carrying out automatic transport, insert and cut off the wire rod voluntarily, will insert the wire rod of locating the product skeleton and roll over into U type PIN needle, with U type PIN needle automatic press-in to the product skeleton in and to pressing in the bottom of the U type PIN needle of product skeleton and cut flat voluntarily, whole production process need not manual intervention, can effectively improve production efficiency, reduction in production cost.

2. The pin station, the bending station and the pressing station are all integrated on the same base body, so that all production procedures are not dispersed, the whole automatic pin inserting device is compact in structure, miniaturization of equipment is facilitated, and occupied space is reduced.

3. The length of the contact PIN station, the bending station and the pressing station along the conveying direction is equal to the length of the product skeleton, so that when the pushing mechanism pushes the product skeleton without the wire inserted into the contact PIN station in specific use, the product skeleton which is originally positioned on the contact PIN station and inserted with the wire can be synchronously pushed to the bending station, the product skeleton which is originally positioned on the bending station and folded into the U-shaped wire can be synchronously pushed to the pressing station, and the product skeleton which is originally positioned on the pressing station and pressed with the U-shaped PIN needle can be synchronously sent out, thereby further effectively improving the production efficiency.

[ description of the drawings ]

The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the overall structure of a U-shaped PIN automatic PIN device of the present invention;

FIG. 2 is a schematic view of the structure of the bending mechanism and the pressing mechanism in the present invention;

FIG. 3 is a schematic view of a stop assembly of the present invention;

FIG. 4 is a schematic view of the structure of the folding U assembly and the pre-compression bending assembly of the present invention;

FIG. 5 is a schematic view of the structure of the pressing mechanism of the present invention;

FIG. 6 is a schematic view of the wire cutting tool of the present invention;

FIG. 7 is a schematic view of the structure of the pattern mechanism of the present invention.

Reference numerals illustrate:

an automatic pin device 100;

a product skeleton 200;

a wire 300;

a base body 1, a product conveying passage 11, an extension passage 12;

a pushing mechanism 2;

the device comprises a pattern engraving mechanism 3, a frame 31, a pattern engraving disc 32, a pattern engraving assembly 33, a first bearing 331, a main shaft 34, a first driving part 341, a first cam 342, a second cam 343, a lifting driving cam 35, a second driving part 351, a wire cutting tool 36, a second bearing 361, an upper cutter 362, a lower cutter 363, a third guide post 37 and a fourth spring 38;

bending mechanism 4, bending U assembly 41, second slider 411, second spring 412, bending piece 413, horizontal segment 4131, vertical segment 4132, pre-bending assembly 42, first slider 421, inclined surface 4211, first guide post 422, first spring 423, stop assembly 43, stop block 431, and telescopic part 432;

the pressing mechanism 5, the supporting seat 51, the movable channel 511, the third floating block 52, the second guide post 53, the pressing block 54 and the third spring 55;

a stitch flattening cutter 6.

[ detailed description ] of the invention

In order to better understand the technical scheme of the present invention, the following detailed description will refer to the accompanying drawings and specific embodiments.

It should be noted herein that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing these embodiments and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operate in a specific orientation. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.

Example 1

Referring to fig. 1 to 7, a U-PIN automatic PIN device 100 according to the present invention, the automatic PIN device 100 includes:

the novel high-strength plastic packaging machine comprises a base body 1, wherein a product conveying channel 11 is formed at the top of the base body 1, and a contact pin station, a bending station and a pressing-in station are sequentially arranged in the product conveying channel 11 along the conveying direction; wherein the product conveying channel 11 is used for conveying the product skeleton 200, and the product conveying channel 11 extends to two ends along the top of the base body 1 so as to facilitate the input and output of the product skeleton 200; the pin inserting station is used for performing pin inserting operation, namely, inserting the lower end of a wire 300 (such as a CP wire) onto the product framework 200; the bending station is used for bending the wire 300, namely bending the wire 300 from a vertical state into a U-shaped PIN needle; the pressing-in station is used for performing pressing-in operation on the U-shaped PIN needle;

the pushing mechanism 2 is arranged at the input end of the product conveying channel 11, and the pushing mechanism 2 is used for pushing the product framework 200 in the product conveying channel 11 to a required station, namely, when the pushing mechanism is specifically used, the pushing mechanism 2 can be used for pushing the product framework 200 to a pin inserting station, a bending station or a pressing station so as to facilitate pin inserting, bending or pressing operation;

the pattern engraving mechanism 3 is arranged above the pin inserting station, and the pattern engraving mechanism 3 inserts the wire 300 into the product framework 200 and cuts off the wire 300; in the implementation of the invention, the pattern engraving mechanism 3 can pull down the wire 300 for a certain length and insert the wire 300 into the product framework 200, and simultaneously cut the wire 300 for a certain length;

the bending mechanism 4 is arranged above the bending station, and the wire 300 inserted into the product framework 200 is folded into a U-shaped PIN needle through the bending mechanism 4;

the pressing mechanism 5 is arranged above the pressing station, and the U-shaped PIN needle is pressed into the product framework 200 through the pressing mechanism 5, namely after the wire 300 on the product framework 200 is bent into a U shape, the pressing mechanism 5 can be used for applying pressure to the U-shaped PIN needle, so that two end parts of the U-shaped PIN needle penetrate through the product framework 200;

the stitch flattening cutter 6 is arranged below the pressing-in station, and the bottom of the U-shaped PIN needle pressed into the product framework 200 is flattened through the stitch flattening cutter 6; because the bottoms of the PINs may not be flush after the U-shaped PIN is pressed into the product skeleton 200, the PIN flattening cutter 6 is arranged below the pressing station, so that the bottoms of the PINs can be flattened by the PIN flattening cutter 6 after the U-shaped PIN is pressed into the product skeleton 200; the stitch flattening cutter 6 may specifically include a movable cutter and a telescopic member (such as an electric cylinder), and the telescopic member is utilized to drive the movable cutter to move, so as to flatten the bottom of each stitch.

By adopting the technical scheme provided by the invention, the method has at least the following beneficial effects:

1. through the mutual cooperation of pushing equipment 2, the pattern of the die mechanism of the stings 3, the mechanism of bending 4, the mechanism of impressing 5 and stitch cutting tool 6, can realize carrying out automatic transport to the product skeleton 200, insert and cut off the wire rod 300 voluntarily, will insert the wire rod 300 of locating the product skeleton 200 and roll over into U type PIN needle voluntarily, impress U type PIN needle into the product skeleton 200 voluntarily and to impress the bottom of the U type PIN needle of product skeleton 200 and cut flat voluntarily, whole production process need not manual intervention, can effectively improve production efficiency, reduction in production cost.

2. The pin station, the bending station and the pressing station are all integrated on the same base body 1, so that all production procedures are not dispersed, the whole automatic pin inserting device 100 is compact in structure, equipment miniaturization is facilitated, and space occupation is reduced.

In some embodiments of the present invention, please refer to fig. 2-4, in order to bend the wire 300 inserted into the product skeleton 200 into a U-shaped PIN, the bending mechanism 4 includes:

the U-shaped bending component 41 is arranged above the middle part of the product conveying channel 11, and the wire 300 is bent into a U shape through the U-shaped bending component 41, namely the wire 300 is bent into a U-shaped PIN needle from a vertical state through the U-shaped bending component 41;

the pre-press bending assemblies 42 are arranged at two sides of the U-shaped bending assembly 41, and the wire 300 is pre-pressed and bent by the pre-press bending assemblies 42 before the wire 300 is bent into the U shape; because the wire rods 300 are inserted into the two sides of the product framework 200 in actual production, and the wire rods 300 which are just inserted into the product framework 200 are in a vertical state and cannot be directly folded into a U shape by the U folding component 41, the pre-press bending component 42 is arranged on the two sides of the U folding component 41, so that the two wire rods 300 on the product framework 200 can be pre-pressed and bent by the two pre-press bending components 42 in specific operation, and the U folding component 41 can conveniently fold the pre-pressed and bent wire rods 300 into the U shape;

the stop assembly 43 is arranged at the front end of the U-shaped folding assembly 41, and the stop assembly 43 can stop the wire 300 inserted into the product framework 200 before the wire 300 is pre-bent.

More specifically, the pre-compression bending assembly 42 includes a first slider 421, a first guide post 422, and a first spring 423; the bottom of the first slider 421 is provided with first guide posts 422 at both ends along the length direction of the product conveying channel 11, the base body 1 is provided with first guide post holes (not shown) at positions corresponding to each of the first guide posts 422, and the lower ends of the first guide posts 422 are inserted into the first guide post holes; the lower end of the first spring 423 abuts against the bottom of the first guide post hole, and the upper end of the first spring 423 is sleeved outside the first guide post 422; the first slider 421 is provided with a bevel 4211 for pre-bending the wire 300 at a side close to the U-turn assembly 41. When the pre-bending assembly 42 is specifically used, the first floating block 421 needs to be pressed downwards by applying force, so that the first floating block 421 and the first guide pillar 422 move downwards together and compress the first spring 423, and the inclined surface 4211 on the first floating block 421 can pre-bend the wire 300 on the product framework 200 in the downward movement process of the first floating block 421, so that preparation is made for bending the wire 300 into a U shape by the subsequent U bending assembly 41; when the first slider 421 is released, the first slider 421 and the first guide post 422 can be restored upward by the elastic force of the first spring 423.

Further, the first sliders 421 of the two pre-bending assemblies 42 are connected, so that the first sliders 421 of the two pre-bending assemblies 42 can be better and synchronously floated up and down, and thus the inclined surfaces 4211 of the two first sliders 421 can synchronously pre-bend the wires 300 at both sides of the product frame 200.

Furthermore, in order to better realize the pre-press bending of the wire 300, the U-shaped assembly 41 is convenient to bend the wire 300 into a U-shaped PIN, the inclined plane 4211 has an inclination angle of 45 ° to 60 °, that is, in specific use, the inclined plane 4211 may pre-press and bend the upper portion of the wire 300 to 45 ° to 60 °. For example, as a first specific embodiment of the present invention, the inclination angle of the inclined surface 4211 is 45 °; as a second specific aspect of the present invention, the inclination angle of the inclined surface 4211 is 53 °; as a third specific embodiment of the present invention, the inclination angle of the inclined surface 4211 is 60 °.

More specifically, the stop assembly 43 includes a stop 431 and a telescoping member 432; the stop block 431 is movably disposed at one side of the product conveying channel 11, the telescopic component 432 is connected with the stop block 431, and drives the stop block 431 to enter or exit from the upper side of the product conveying channel 11 through the telescopic component 432, wherein the telescopic component 432 can adopt an electric cylinder or the like, so long as the stop block 431 can be driven to enter or exit from the upper side of the product conveying channel 11. When the invention is particularly used, when the product framework 200 with the wire 300 inserted therein is conveyed to a bending station, the telescopic part 432 drives the stop block 431 to enter the upper part of the product conveying channel 11, so that the stop block 431 can stop the wire 300 on the product framework 200, and the wire 300 on the product framework 200 can be conveniently pre-pressed and bent into a U shape; after the wire 300 on the product skeleton 200 is folded into a U-shaped PIN needle, the telescopic part 432 drives the stop 431 to exit from the upper part of the product conveying channel 11, so that the product skeleton 200 can be continuously pushed forward to the pressing-in station.

Further, the bottom of the stopper 431 is slightly higher than the top of the pin area of the product frame 200, so as to ensure that the stopper 431 will not collide with the product frame 200 when the telescopic member 432 drives the stopper 431 to enter the upper portion of the product conveying channel 11, thereby avoiding the product frame 200 from being damaged due to collision.

More specifically, the U-turn assembly 41 includes a second slider 411, a second spring 412, and a turn 413; the second slider 411 is disposed between the first sliders 421 at both sides, and the second slider 411 is connected to the first slider 421 through the second spring 412; the bending piece 413 is disposed at the bottom of the second slider 411. When the U-shaped bending assembly 41 is specifically used, the second slider 411 needs to be pressed down by applying a force, so that the second slider 411 drives the bending member 413 to move downward and compress the second spring 412, and the bending member 413 cooperates with the stop block 431 of the stop assembly 43 to bend the wire 300 into a U-shaped PIN in the downward movement process; when the second slider 411 is released, the second slider 411 will drive the bending member 413 to return upward under the elastic force of the second spring 412.

Further, in order to enable the bending member 413 to cooperate with the stopper 431 to bend the wire 300 into a U-shaped PIN, the bending member 413 has a horizontal section 4131 and a vertical section 4132, one end of the horizontal section 4131 is connected to the second slider 411, and the vertical section 4132 is connected to the other end of the horizontal section 4131.

In some embodiments of the present invention, in order to pull down and insert the wire 300 into the product skeleton 200 and cut the wire 300, please refer to fig. 6 and 7, the die mechanism 3 includes:

a frame 31;

the patterned tray 32 is movably disposed on the frame 31 up and down, that is, the patterned tray 32 can move up and down, so that the wire 300 is driven to move down by the patterned tray 32; the wire biting assembly 33 for biting the wire 300 is arranged on the wire biting disk 32, the wire biting assembly 33 can be used for biting the wire 300 when in use, and the wire biting assembly 33 is provided with a first bearing 331;

a main shaft 34, wherein the main shaft 34 is rotatably arranged on the bite plate 32 along the vertical direction, a first driving part 341 is arranged at one end of the main shaft 34, so that the main shaft 34 is driven to rotate by the first driving part 341, and a motor can be adopted as the first driving part 341; the spindle 34 is provided with a first cam 342 at a position corresponding to the first bearing 331, and the first cam 342 cooperates with the first bearing 331 to drive the wire gripping assembly 33 to loosen or grip the wire 300, in particular, when the first cam 342 is not in contact with the first bearing 331, the wire gripping assembly 33 can loosen the wire 300, and when the first cam 342 is in contact with the first bearing 331 and applies force to the first bearing 331, the first bearing 331 can drive the wire gripping assembly 33 to grip the wire 300;

a lifting driving cam 35, wherein the lifting driving cam 35 is positioned above the main shaft 34, and a second driving part 351 is arranged at the upper end of the lifting driving cam 35 so as to drive the lifting driving cam 35 to rotate by using the second driving part 351; the second driving part 351 is fixed on the frame 31, and the lifting driving cam 35 drives the main shaft 34 and the flower disc 32 to lift, specifically, when the second driving part 351 drives the lifting driving cam 35 to rotate so that the lifting driving cam 35 is not contacted with the top of the second driving part 351, the main shaft 34 and the flower disc 32 are at the highest position; when the second driving part 351 drives the elevating driving cam 35 to rotate so that the elevating driving cam 35 contacts with the top of the second driving part 351, the elevating driving cam 35 drives the main shaft 34 and the grating disk 32 to move downward together, and when the second driving part 351 drives the elevating driving cam 35 to rotate so that the lowest point of the elevating driving cam 35 contacts with the top of the second driving part 351, the main shaft 34 and the grating disk 32 descend to the lowest point position;

a wire cutting tool 36, wherein the wire cutting tool 36 is arranged at the bottom of the frame 31, and the position of the wire cutting tool 36 corresponds to the position of the wire biting assembly 33; the wire cutting tool 36 is provided with a second bearing 361, a second cam 343 is arranged on the main shaft 34 at a position corresponding to the second bearing 361, and the second cam 343 cooperates with the second bearing 361 to drive the wire cutting tool 36 to cut the wire 300, specifically, when the second cam 343 is not contacted with the second bearing 361, the wire 300 can pass through the interior of the wire cutting tool 36, and the wire cutting tool 36 does not cut the wire 300; and when the second cam 343 contacts the second bearing 361 and applies a force to the second bearing 361, the second bearing 361 can drive the wire cutting tool 36 to cut the wire 300.

When the invention of the pattern mechanism 3 works specifically, the wire 300 needs to pass through the wire biting assembly 33, the pattern disc 32, the bottom of the frame 31 and the wire cutting tool 36 from top to bottom; when the wire 300 is required to be inserted into the product framework 200, the main shaft 34 drives the first cam 342 to contact with the first bearing 331 and apply force to the first bearing 331, so that the wire biting assembly 33 bites the wire 300; the lifting driving cam 35 is driven to rotate by the second driving part 351, so that the lifting driving cam 35 drives the main shaft 34 and the biting disc 32 to move downwards together, and the biting assembly 33 can pull down the wire 300 and insert the lower end of the wire 300 into the product framework 200 because the biting assembly 33 bites the wire 300; when the lifting driving cam 35 drives the main shaft 34 and the chuck 32 to descend to the lowest point position, the main shaft 34 drives the second cam 343 to contact with the second bearing 361 and apply force to the second bearing 361, so that the second bearing 361 drives the wire cutting tool 36 to cut off the wire 300; after the wire 300 is cut, the first cam 342 is not in contact with the first bearing 331, so that the wire biting assembly 33 loosens the wire 300, and the second cam 343 is not in contact with the second bearing 361, so that the wire 300 can pass through the wire cutting tool 36; the second driving part 351 drives the elevating driving cam 35 to continue to rotate, so that the main shaft 34 and the bite plate 32 are reset upward to the highest position together.

More specifically, the wire cutting tool 36 includes an upper die 362 and a lower die 363, the upper die 362 is fixed at the bottom of the frame 31, the lower die 363 is movably disposed below the upper die 362, and the lower die 363 is connected with a second bearing 361, and when the second cam 343 contacts the second bearing 361 and applies a force to the second bearing 361, the second bearing 361 can drive the lower die 363 to move so as to cut the wire 300.

More specifically, the frame 31 is provided with a third guide post 37, the patterned disk 32 is movably assembled on the third guide post 37, and a fourth spring 38 is disposed between the top of the patterned disk 32 and the upper end of the frame 31, so that when the second driving member 351 drives the lifting driving cam 35 to rotate so that the lifting driving cam 35 does not contact with the top of the second driving member 351, the patterned disk 32 can drive the spindle 34 to return upwards to the highest position together under the action of the elastic force of the fourth spring 38.

In some embodiments of the present invention, please refer to fig. 2 and 5, the pressing mechanism 5 includes a support base 51, a third slider 52, a second guide post 53, a pressing block 54, and a third spring 55;

the supporting seat 51 is arranged above the pressing station, and a second guide pillar hole (not shown) is arranged on the supporting seat 51; the third slider 52 is disposed above the supporting seat 51, the upper end of the second guide pillar 53 is connected to the third slider 52, and the lower end of the second guide pillar 53 is inserted into the second guide pillar hole; the third spring 55 is sleeved outside the second guide post 53, the upper end of the third spring 55 abuts against the third floating block 52, and the lower end of the third spring 55 abuts against the supporting seat 51; the pressing block 54 is connected to the third slider 52, and the supporting seat 51 is formed with a movable channel 511 through which the pressing block 54 moves up and down. When the pressing mechanism 5 is specifically used, the third slider 52 needs to be pressed down by applying force, so that the third slider 52 drives the second guide post 53 and the pressing block 54 to move downwards together and compress the third spring 55, and the U-shaped PIN on the product framework 200 can be pressed into the product framework 200 in the downward movement process of the pressing block 54; when the third slider 52 is released, the third slider 52 can drive the second guide post 53 and the pressing block 54 to return upward together under the elastic force of the third spring 55. In the present invention, a pressing mechanism (not shown) may be disposed above the bending mechanism 4 and the pressing mechanism 5 to apply force to the first slider 421, the second slider 411, and the third slider 52 by the pressing mechanism, so that the first slider 421, the second slider 411, and the third slider 52 can move downward.

In some embodiments of the present invention, the input end of the product conveying channel 11 has an extension channel 12 extending to the outside of the base body 1, and by providing the extension channel 12 at the input end of the product conveying channel 11, it is convenient to place some product frameworks 200 on the extension channel 12 in advance, so that continuous production can be better realized; the pushing mechanism 2 is a pushing manipulator disposed above the extension channel 12, so that the product skeleton 200 is pushed forward by the pushing manipulator.

In some embodiments of the present invention, the length of the pin station, the bending station, and the pressing station along the conveying direction is equal to the length of the product skeleton 200. According to the invention, the lengths of the PIN inserting station, the bending station and the pressing station along the conveying direction are equal to the lengths of the product frameworks 200, so that when the pushing mechanism 2 pushes the product frameworks 200 which are not inserted with the wire 300 to the PIN inserting station in specific use, the product frameworks 200 which are originally positioned on the PIN inserting station and inserted with the wire 300 can be synchronously pushed to the bending station, the product frameworks 200 which are originally positioned on the bending station and are folded into U-shaped by the wire 300 can be synchronously pushed to the pressing station, and the product frameworks 200 which are originally positioned on the pressing station and are pressed with the U-shaped PIN PINs can be synchronously sent out, thereby further effectively improving the production efficiency.

Example 2

Referring to fig. 1 to 7, in the method for automatically inserting a U-PIN according to the present invention, a U-PIN automatic inserting device is required, and the specific structure of the U-PIN automatic inserting device is described in detail with reference to embodiment 1 and will not be described herein.

The method comprises the following steps:

placing the product skeleton 200 into the product conveying channel 11, controlling the pushing mechanism 2 to push the product skeleton 200 closest to the PIN station, simultaneously pushing the product skeleton 200 inserted with the wire 300 from the PIN station to the bending station, and pushing the product skeleton 200 with the U-shaped PIN PINs from the bending station to the pressing station, wherein the pushing mechanism is specifically realized by designing that the lengths of the PIN station, the bending station and the pressing station along the conveying direction are equal to the length of the product skeleton 200;

controlling the embossing die mechanism 3 to clamp the wire 300, pulling down the wire 300 and inserting the wire 300 into the product framework 200 of the pin inserting station, and simultaneously cutting the wire 300 according to the required length, namely cutting the wire 300 to a fixed length;

the bending mechanism 4 is controlled to pre-bend the wire 300 on the product framework 200 of the bending station, namely, the upper part of the wire 300 is pre-bent to a required angle, and the pre-bent wire 300 is folded into a U-shaped PIN needle;

the control pressing mechanism 5 presses the U-shaped PIN needle on the product skeleton 200 of the pressing station into the product skeleton 200, and the control stitch flattening cutter 6 flattens the bottom of the U-shaped PIN needle pressed into the product skeleton 200, so that the whole PIN inserting operation is completed.

By adopting the technical scheme of the invention, the automatic conveying of the product framework 200, the automatic insertion and cutting of the wire 300, the automatic folding of the wire 300 inserted into the product framework 200 into the U-shaped PIN needle, the automatic pressing of the U-shaped PIN needle into the product framework 200 and the automatic cutting of the bottom of the U-shaped PIN needle pressed into the product framework 200 can be realized, the whole production process does not need manual intervention, the production efficiency can be effectively improved, and the production cost is reduced.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.

Claims (10)

1. The utility model provides an automatic contact PIN device of U type PIN which characterized in that: the automatic pin device includes:

the base comprises a base body, wherein a product conveying channel is formed at the top of the base body, and the product conveying channel is sequentially provided with a pin inserting station, a bending station and a pressing-in station along the conveying direction;

the pushing mechanism is arranged at the input end of the product conveying channel and pushes the product framework in the product conveying channel to a required station;

the pattern-biting mechanism is arranged above the pin inserting station, and inserts the wire into the product framework and cuts the wire through the pattern-biting mechanism;

the bending mechanism is arranged above the bending station, and a wire rod inserted into the product framework is folded into a U-shaped PIN needle through the bending mechanism;

the pressing mechanism is arranged above the pressing station and is used for pressing the U-shaped PIN needle into the product framework;

stitch cuts flat cutter, stitch cuts Ping Daoju locates the below of impressing the station, and will impress the U type PIN needle's that product skeleton bottom cut flat through stitch cuts flat cutter.

2. A U-PIN automatic PIN apparatus as defined in claim 1, wherein: the bending mechanism comprises:

the U-shaped bending component is arranged above the middle part of the product conveying channel and is used for bending the wire rod into a U shape;

the pre-press bending assemblies are arranged at two sides of the U-shaped bending assembly, and the wire is pre-press bent through the pre-press bending assemblies before being bent into a U shape;

and the stop component is arranged at the front end of the U-shaped folding component and is used for blocking the wire rod inserted into the product framework before the wire rod is pre-bent.

3. A U-PIN automatic PIN apparatus as defined in claim 2, wherein: the pre-bending assembly comprises a first floating block, a first guide pillar and a first spring; the bottom of the first floating block is provided with first guide posts at two ends along the length direction of the product conveying channel, the base body is provided with first guide post holes at positions corresponding to the first guide posts, and the lower ends of the first guide posts are inserted into the first guide post holes; the lower end of the first spring is propped against the bottom of the first guide pillar hole, and the upper end of the first spring is sleeved outside the first guide pillar; the first floating block is provided with an inclined plane for pre-bending the wire rod at one side close to the U-shaped folding component.

4. A U-PIN automatic PIN apparatus as defined in claim 2, wherein: the stop assembly comprises a stop block and a telescopic component; the stop block is movably arranged on one side of the product conveying channel, the telescopic component is connected with the stop block, and the stop block is driven to enter or exit from the upper side of the product conveying channel through the telescopic component.

5. A U-PIN automatic PIN apparatus according to claim 3, wherein: the U-shaped bending component comprises a second floating block, a second spring and a bending piece; the second floating blocks are arranged between the first floating blocks at two sides and are connected with the first floating blocks through the second springs; the bending piece is arranged at the bottom of the second floating block.

6. A U-PIN automatic PIN apparatus as defined in claim 1, wherein: the pattern mechanism includes:

a frame;

the wire biting device comprises a rack, a wire biting assembly and a wire biting assembly, wherein the wire biting assembly is arranged on the rack and used for biting wires, and the wire biting assembly is provided with a first bearing;

the main shaft is rotatably arranged on the biting disc along the vertical direction, and one end of the main shaft is provided with a first driving part; a first cam is arranged on the main shaft at a position corresponding to the first bearing, and the first cam is matched with the first bearing to drive the wire biting assembly to loosen or bite the wire rod;

the lifting driving cam is positioned above the main shaft, a second driving part is arranged at the upper end of the lifting driving cam, the second driving part is fixed on the frame, and the main shaft and the flower-biting disc are driven to lift by the lifting driving cam;

the wire cutting tool is arranged at the bottom of the rack, and the position of the wire cutting tool corresponds to the position of the wire biting component; the wire cutting tool is provided with a second bearing, a second cam is arranged on the main shaft at a position corresponding to the second bearing, and the wire cutting tool is driven to cut off the wire through the cooperation of the second cam and the second bearing.

7. A U-PIN automatic PIN apparatus as defined in claim 1, wherein: the pressing mechanism comprises a supporting seat, a third floating block, a second guide pillar, a pressing block and a third spring;

the supporting seat is arranged above the pressing-in station, and a second guide pillar hole is formed in the supporting seat; the third floating block is arranged above the supporting seat, the upper end of the second guide column is connected with the third floating block, and the lower end of the second guide column is inserted into the second guide column hole; the third spring is sleeved outside the second guide post, the upper end of the third spring is propped against the third floating block, and the lower end of the third spring is propped against the supporting seat; the pressing block is connected with the third floating block, and the supporting seat is provided with a movable channel for the pressing block to move up and down.

8. A U-PIN automatic PIN apparatus as defined in claim 1, wherein: the input end of the product conveying channel is provided with an extension channel extending to the outside of the base body; the pushing mechanism is a pushing manipulator arranged above the extension channel.

9. A U-PIN automatic PIN apparatus as defined in claim 1, wherein: the lengths of the pin inserting station, the bending station and the pressing station along the conveying direction are equal to the length of the product framework.

10. A U-shaped PIN automatic PIN inserting method is characterized in that: the method using the U-PIN automatic PIN device of any one of claims 1-9, the method comprising the steps of:

placing the product skeleton into a product conveying channel, controlling a pushing mechanism to push the product skeleton closest to the PIN inserting station, simultaneously pushing the product skeleton inserted with wires to a bending station from the PIN inserting station, and pushing the product skeleton with the U-shaped PIN PINs to a pressing-in station from the bending station;

controlling the embossing die mechanism to clamp the wire rod, pulling the wire rod downwards and inserting the wire rod into a product framework of the pin inserting station, and cutting the wire rod according to the required length;

the control bending mechanism firstly pre-bends wires on a product framework of a folding station, and then bends the pre-bent wires into U-shaped PIN needles;

the control pressing mechanism presses the U-shaped PIN needle on the product framework of the pressing station into the product framework, and the control stitch flattening cutter flattens the bottom of the U-shaped PIN needle pressed into the product framework.