CN212217560U - Pressing device and automatic assembly welding system - Google Patents

Abstract

The utility model relates to a closing device and full-automatic equipment welding system, a closing device includes: a loading plate; the positioning seat is fixed on the carrying plate and used for positioning the first workpiece and the second workpiece; the side pressing mechanism comprises a first side pressing mechanism and a second side pressing mechanism, the first side pressing mechanism and the second side pressing mechanism are arranged on the carrying plate and are positioned on different sides of the first workpiece so as to be used for pressing the first workpiece and/or the second workpiece along different horizontal directions; and the positive pressure mechanism is arranged on the carrying plate and is used for pressing the first workpiece and the second workpiece along the vertical direction. A fully automated assembly welding system comprising: an object stage; the pressing device is arranged on the objective table; the pressing device can press the first workpiece and the second workpiece, the objective table is rotated to a position close to the welding device, and the welding device can weld the first workpiece and the second workpiece. The pressing device and the automatic assembly welding system can press workpieces from all directions, and are high in efficiency.

Description

Pressing device and automatic assembly welding system

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a closing device and automatic assembly welding system.

Background

In the spare part production process of electronic product, need utilize closing device to press to hold fixed back and process again to spare part, current closing device is big many sizes great, can't compress tightly completely each face of spare part, and it is easy not hard up when spare part is pressed, influences product machining efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a pressing device and an automatic assembly welding system for solving the problem that the pressing device is easy to loosen when pressing and holding a workpiece.

A pressing device for pressing and fixing a first workpiece and a second workpiece, the pressing device comprising:

a loading plate;

the positioning seat is fixed on the carrying plate and used for positioning the first workpiece and the second workpiece;

the side pressing mechanism comprises a first side pressing mechanism and a second side pressing mechanism, the first side pressing mechanism and the second side pressing mechanism are mounted on the carrying plate and are positioned on different sides of the first workpiece, and the first side pressing mechanism and the second side pressing mechanism are used for pressing the first workpiece and/or the second workpiece along different horizontal directions; and

and the positive pressure mechanism is arranged on the object carrying plate and is used for compressing the first workpiece and the second workpiece along the vertical direction.

The pressing device is provided with the lateral pressing mechanism and the positive pressing mechanism, and can press the workpiece from all directions, so that the workpiece is not easy to loosen and the operation is convenient.

In one embodiment, the positioning seat is provided with a positioning groove, the bottom wall of the positioning groove is provided with a positioning column, the first workpiece is provided with a positioning hole, the first workpiece is placed in the positioning groove, and the positioning column is inserted into the positioning hole.

In one embodiment, the positive pressure mechanism comprises a positive pressure head, a positive pressure translational driving member and a positive pressure lifting driving member, wherein the positive pressure lifting driving member is connected with the positive pressure head to drive the positive pressure head to move up and down, the positive pressure translational driving member is installed on the object carrying plate, and the positive pressure translational driving member is connected with the positive pressure lifting driving member to drive the positive pressure head to move translationally.

In one embodiment, the first lateral pressing mechanism comprises a first lateral pressing driving part, a first lateral pressing seat and a first lateral pressing head, the first lateral pressing head is connected with the first lateral pressing seat in a sliding mode, and the first lateral pressing driving part is used for driving the first lateral pressing head to slide relative to the first lateral pressing seat.

In one embodiment, the lateral pressing device further comprises a first stop block and a first lateral pressing elastic piece, wherein the first stop block is fixed on the first lateral pressing seat, and the first lateral pressing elastic piece abuts against between the first stop block and the first lateral pressing seat.

In one embodiment, the lateral pressing device further comprises a second lateral pressing elastic piece, and the end part of the second lateral pressing elastic piece is fixed at one end of the first lateral pressing head far away from the first stop block.

In one embodiment, the positioning device further comprises a lateral pressure limiting rod, the lateral pressure limiting rod is connected to the lateral surface of the positioning seat, a slot is formed in one end, away from the first stop block, of the first lateral pressure head, the lateral pressure limiting rod is located in the slot, and the second lateral pressure elastic piece is abutted between the bottom wall of the slot and the lateral pressure limiting rod.

In one embodiment, the second lateral pressing mechanism comprises a second lateral pressing driving piece, a second lateral pressing base and a second lateral pressing head, the second lateral pressing head is connected with the second lateral pressing base in a sliding mode, and the second lateral pressing driving piece is used for driving the second lateral pressing head to slide relative to the second lateral pressing base.

In one embodiment, the pressing device further comprises a second stop block and a third side pressing elastic piece, wherein the second stop block is fixed on the second side pressing seat, and the third side pressing elastic piece abuts against between the second stop block and the second side pressing seat.

An automated assembly welding system, comprising:

an object stage;

the pressing device is arranged on the objective table;

and the compressing device can compress the first workpiece and the second workpiece and rotate the objective table to be close to the welding device, and the welding device can weld the first workpiece and the second workpiece.

The automatic assembling and welding system can realize assembling and welding of the first workpiece and the second workpiece of a product, is high in assembling efficiency and precision, and saves labor cost.

Drawings

FIG. 1 is an isometric view of an assembly of a first workpiece and a second workpiece according to an embodiment;

FIG. 2 is an isometric view of an automated assembly welding system in one embodiment;

FIG. 3 is an isometric view of the stage and hold-down device of the automated assembly welding system of FIG. 1;

FIG. 4 is an isometric view of a press in the automatic assembly welding system of FIG. 1;

FIG. 5 is an isometric view of the anchor block of the compression device shown in FIG. 4;

FIG. 6 is an isometric view of the positive pressure mechanism of the compression device of FIG. 4;

FIG. 7 is an isometric view of a first side press mechanism of the compression device shown in FIG. 4;

FIG. 8 is an isometric view of a second side press mechanism of the press device of FIG. 4;

FIG. 9 is an isometric view of an endless feed mechanism of the automated assembly welding system of FIG. 1;

FIG. 10 is an isometric view of the tray and endless feed drive member of the endless feed mechanism of FIG. 9;

FIG. 11 is an isometric view of a material dispensing assembly of the endless feed mechanism of FIG. 9;

FIG. 12 is an isometric view of an endless take off mechanism of the automated assembly welding system of FIG. 1;

FIG. 13 is a partial isometric view of the endless take off mechanism of FIG. 12;

FIG. 14 is a partial cross-sectional view of the endless take off mechanism of FIG. 12;

FIG. 15 is an exploded view of FIG. 13;

FIG. 16 is an isometric view of a first feed mechanism of the automated assembly welding system of FIG. 1;

FIG. 17 is an isometric view of a first take off mechanism of the automated assembly welding system of FIG. 1;

FIG. 18 is a partial isometric view of the first take off mechanism of FIG. 17;

FIG. 19 is an exploded view of FIG. 18;

FIG. 20 is an enlarged view of a portion A of FIG. 19;

FIG. 21 is an isometric view of a visual alignment device of the automated assembly welding system of FIG. 1;

FIG. 22 is an isometric view of a welding device of the automated assembly welding system of FIG. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an automatic assembly welding system according to an embodiment is used for assembling and welding a first workpiece 710 and a second workpiece 720 of a product 70, and referring to fig. 2 to 4, the automatic assembly welding system includes a frame 100, a stage 200, a circular feeding device 300, a first feeding device 400, a pressing device 500, and a welding device 600. The first workpiece 710 may be a substrate, and the second workpiece 720 may be a USB connector or a shield of an electronic device, which is not limited herein.

Referring to fig. 2, the circular feeding device 300, the first feeding device 400 and the welding device 600 are disposed around the corresponding stations outside the object stage 200, referring to fig. 3, the circular feeding device 300 can convey the first workpiece 710 to the object stage 200 (i.e. 110 shown in fig. 3), rotate the object stage 200 to be close to the first feeding device 400 (i.e. 120 shown in fig. 3), so that the first feeding device 400 can convey the second workpiece 720 to the stage 200, and the second workpiece 720 is clamped on the first workpiece 710, the pressing device 500 can press the first workpiece 710 and the second workpiece 720, the stage 200 is rotated to a position close to the welding device 600 (i.e., 130 shown in fig. 3), the welding device 600 can weld the first workpiece 710 and the second workpiece 720, the stage 200 is rotated to a position close to the circular feeding device 300 (i.e., 110 shown in fig. 3) after the welding is completed, and finally the welded product 70 is conveyed by the circular feeding device 300.

It should be noted that, in some embodiments, the number of the first workpieces 710 is one, the number of the second workpieces 720 is one, and the number of the first feeding devices 400 is one. In other embodiments, referring to fig. 1, the number of the first workpieces 710 is one, the number of the second workpieces 720 is at least two, and a plurality of the second workpieces 720 (e.g., the short workpieces 721 and the long workpieces 722 shown in fig. 1) need to be sequentially assembled on different sides of the first workpiece 710, referring to fig. 2, at this time, the number of the first feeding devices 400 should be correspondingly increased, and the plurality of first feeding devices 400 are spaced and adjacently disposed, so that each first feeding device 400 conveys and assembles one second workpiece 720 to form an intermediate product, and the intermediate product can be transferred to the next first feeding device 400 to assemble other second workpieces 720; the welding apparatus 600 sequentially welds a plurality of second workpieces 720 to the first workpiece 710. Here, the number of the first feeding devices 400 is not limited.

In some embodiments, the first workpiece 710 is square and the second workpiece 720 is an elongated structure. In other embodiments, the first workpiece 710 may also have a circular, hexagonal, or other irregular shape, and the second workpiece 720 may also have a block or other irregular shape.

Referring to fig. 2, the stage 200 is rotatably disposed on the frame 100. Specifically, the object stage 200 is disposed above the frame 100, and an object driving member (not shown) is disposed in the frame 100, and is connected to the object stage 200 to drive the object stage 200 to rotate.

In some embodiments, the carrier drive is a motor. In other embodiments, the load drive may also be a pneumatic cylinder. In some embodiments, the rack 100 is not height adjustable. In other embodiments, the rack 100 may also be a telescopic structure, so that the height of the rack 100 can be adjusted to meet different processing requirements.

Referring to fig. 2, the circular feeding device 300 includes a circular feeding mechanism 310 and a circular taking mechanism 320, the circular feeding mechanism 310 is used for feeding a first workpiece 710, and the circular taking mechanism 320 is located near the circular taking mechanism 320 and is used for picking up the first workpiece 710 fed by the circular feeding mechanism 310.

Specifically, referring to fig. 9 and 10, the circular feeding mechanism 310 includes at least two material storage limiting plates 311, a material distribution assembly 312, a circular feeding driving member 313 and a tray 314, the material storage limiting plates 311 are disposed oppositely to form a material storage position 311a, the first workpieces 710 are stacked in the material storage position 311a, referring to fig. 11, the material distribution assembly 312 includes partition plates 315 disposed at opposite sides of the material storage position 311a, the partition plates 315 disposed at opposite sides of the material storage position 311a can be close to or away from each other to separate the first workpieces 710 stacked in the Y direction shown in fig. 9, the circular feeding driving member 313 is connected to the tray 314, and drives the tray 314 to move in the X direction shown in fig. 10 until the tray 314 moves to the bottom of the material storage limiting plate 311 to receive the first workpieces 710 separated in the material storage limiting plate 311.

In some embodiments, the endless feed drive 313 is a pneumatic cylinder capable of driving the tray 314 to move up and down or in translation. In other embodiments, the endless feed drive may be a motor.

It should be noted that, referring to fig. 9, since the first workpiece 710 of the product 70 has a small size, the material storage cavity 301a is disposed in the tray 301, and the first workpiece 710 is all placed in the material storage cavity 301a for transportation.

In some embodiments, the tray 301 is provided with a plurality of material storage cavities 301a, and the material storage cavities 301a are arranged side by side at intervals, so as to facilitate taking and placing of workpieces and improve processing efficiency. In other embodiments, the plurality of material storage cavities 301a of the tray 301 may also be arranged in a circular array, a rectangular array or other arrangements to meet different processing requirements.

Referring to fig. 11, the material separating assembly 312 includes a separating plate 315, a jacking cylinder 316 and a sliding cylinder 317, the sliding cylinder 317 is connected to the separating plate 315 to drive the separating plate 315 to move horizontally (along the Z direction shown in fig. 11), and the jacking cylinder 316 is connected to the sliding cylinder 317 to drive the separating plate 315 to move up and down (along the Y direction shown in fig. 11).

When the partition plates 315 are close to each other, the partition plates 315 can be inserted between two adjacent trays 301 located at the stock position 311a and serve to hold the tray 301 located above the partition plates 315 so that the tray 301 located below the partition plates 315 can be output from the stock position 311a to the tray 314 located below the stock position 311 a; when the partition plates 315 are away from each other, the partition plates 315 release the hold of the tray 301, so that the tray 301 can be lifted or moved translationally together with the tray 314 under the hold of the tray 314.

Referring to fig. 12, the recycling mechanism 320 includes a recycling vacuum element (not shown), a recycling suction head 321, a recycling rotary driving element 322, and a recycling lifting driving element 323, wherein the recycling lifting driving element 323 is connected to the recycling suction head 321 to drive the recycling suction head 321 to move up and down (along the Y direction shown in fig. 12), the recycling rotary driving element 322 is connected to the recycling lifting driving element 323 to drive the recycling suction head 321 to rotate, and the recycling vacuum element is connected to the recycling suction head 321 to vacuumize so that a negative pressure is formed in the recycling suction head 321 to pick up and place the first workpiece 710 in the tray 301 on the stage 200, so that the picking efficiency is high and damage to the first workpiece 710 can be reduced.

In some embodiments, the cyclical vacuum pumping element is a vacuum pump, the cyclical rotational drive 322 is a motor, and the cyclical lift drive 323 is a lead screw. In other embodiments, the cyclical driving member 322 can be a pneumatic cylinder and the cyclical lifting driving member 323 can be a pneumatic cylinder.

Further, referring to fig. 13 and 14, the recycling mechanism 320 further includes a pipe connector 324 and a pipe connector 325, the pipe connector 324 is fixed to the pipe connector 325, the pipe connector 325 is connected to the recycling nozzle 321, and the recycling vacuum is connected to the pipe connector 324 through a recycling vacuum pipe (not shown).

Specifically, referring to fig. 15, a groove 321a is formed in the circulation suction head 321, the pipeline connecting plate 325 is clamped at an opening of the groove 321a to seal the groove 321a, and air leakage during vacuum pumping is prevented from affecting the adsorption effect, referring to fig. 14, the pipeline connecting head 324 is inserted into the pipeline connecting plate 325 and extends into the groove 321a, the pipeline connecting head 324 is provided with an air pumping channel 324a, the air pumping channel 324a is communicated with the groove 321a, the circulation suction head 321 is provided with a circulation suction head air pumping hole 321b, and the circulation vacuum pumping device pumps vacuum through the air pumping channel 324a to form negative pressure in the circulation suction head air pumping hole 321b, so that the circulation suction head 321 sucks the first workpiece 710.

In some embodiments, the tube connector 324 is snap-fit to the tube connector plate 325. In other embodiments, the pipe connector 324 and the pipe connector plate 325 may be connected by threads or snap fit.

Referring to fig. 14 and 15, the above-mentioned circulation material taking mechanism 320 further includes a circulation material taking sealing element 326, the circulation material taking sealing element 326 is disposed in the groove 321a, and the circulation material taking sealing element 326 is abutted between the pipe connecting plate 325 and the bottom wall of the groove 321a, so as to enhance the sealing performance at the connection between the pipe connecting plate 325 and the circulation suction head 321, and prevent the poor sealing effect from affecting the picking effect of the first workpiece 710.

In some embodiments, the recirculation take-off seal 326 is a rubber gasket and is glued directly between the duct web 325 and the bottom wall of the groove 321 a. In other embodiments, the recycling seals 326 can be fixed to the bottom wall and the side wall of the groove 321a by a screw connection or a snap connection.

In some embodiments, referring to fig. 14, the groove 321a is a stepped groove, the groove 321a includes a first groove 321c and a second groove 321d that are communicated with each other, the first groove 321c is located above the second groove 321d, a radial dimension of the first groove 321c is greater than a radial dimension of the second groove 321d, a stepped surface 321e is formed at an intersection of the first groove 321c and the second groove 321d, and the circulating material-taking sealing member 326 is abutted between the pipe-connecting plate 325 and the stepped surface 321e, so as to ensure that the groove 321a can be completely sealed. In other embodiments, the radial dimension of the first slot 321c may be equal to the radial dimension of the second slot 321 d.

Furthermore, referring to fig. 15, the above-mentioned circulating material taking mechanism 320 further includes a circulating material taking limiting part 327, a fixing hole 321f is disposed on the periphery of the groove 321a on the circulating suction head 321, the circulating material taking limiting part 327 includes a cap 327a and a rod part 327b connected to each other, the rod part 327b is inserted into the fixing hole 321f, the cap 327a is used for abutting against the pipe connecting plate 325, so as to prevent the pipe connecting plate 325 from sliding and moving from the groove 321a to affect the sealing performance.

Referring to fig. 13, the circulation material taking mechanism 320 further includes a mounting base 328 connected to the circulation lifting driving member, the circulation suction head 321 is at least partially embedded in the mounting base, and the pipe connector 324 penetrates through the mounting base and is connected to the circulation suction head 321.

Specifically, referring to fig. 15, a cavity 328a is disposed in the mounting seat, the circulation suction head 321 includes a circulation expansion portion 321g and a circulation absorption portion 321h, the circulation expansion portion 321g is located in the cavity 328a and connected to the pipe connector 324, the circulation absorption portion 321h is connected to one end of the circulation expansion portion 321g far away from the top side of the mounting seat and at least partially exposed outside the cavity 328a, the groove 321a is disposed in the circulation expansion portion 321g, and the circulation suction head suction hole 321b is disposed in the circulation absorption portion 321h and communicated with the groove 321a, so that the circulation absorption portion 321h can absorb the first workpiece 710. The circulation expansion part 321g may be made of an elastic expansion material, or may be made of the same material as the circulation absorption part 321h to form an integrally molded structure.

Further, the circulation expansion part 321g elastically abuts between the top side and the bottom side of the mounting seat, and when the circulation suction head 321 picks up the first workpiece 710, the circulation suction part 321h can elastically abut against the first workpiece 710.

Specifically, referring to fig. 14, since the cyclic expansion portion 321g elastically abuts against the top side and the bottom side of the mounting seat, the cyclic expansion portion 321g can move up and down (i.e., along the Y direction shown in fig. 14) in the cavity 328a relative to the mounting seat, so as to avoid the cyclic absorption portion 321h from being in hard contact with the first workpiece 710 to collide with or damage the first workpiece 710, and thus play a role in buffering and protecting the first workpiece 710.

In some embodiments, referring to fig. 15, the recycling mechanism 320 further includes a recycling elastic member 329, the recycling elastic member 329 is a spring or a spring plate, the pipe connecting plate 325 is provided with a mounting hole 325a, one end of the recycling elastic member 329 abuts against the mounting hole 325a, and the other end of the recycling elastic member 329 abuts against the top side of the mounting seat.

In some embodiments, referring to fig. 15, the mounting base 328 includes a base 328b, a top plate 328c and a bottom plate 328d, the cavity 328a is opened on the base 328b and has openings at two ends, the top plate 328c and the bottom plate 328d are respectively opened at two ends of the cavity 328a, and the base 328b, the top plate 328c and the bottom plate 328d are connected by fasteners such as screws or bolts, so as to facilitate the assembly installation and adjustment of the cavity 328a after the top plate 328c and the bottom plate 328d are disassembled. In other embodiments, the base 328b, the top plate 328c, and the bottom plate 328 may be integrally formed, and have high integrity and strength.

Referring to fig. 2, 16 and 17, the first feeding device 400 includes a first feeding mechanism 410 and a first fetching mechanism 420, the first feeding mechanism 410 is used for providing a second workpiece 720, and the first fetching mechanism 420 is located near the first fetching mechanism 420 for picking up the second workpiece 720 provided by the first feeding mechanism 410.

Specifically, referring to fig. 16, the first feeding mechanism 410 includes a vibrating tray 411, a feeding rod 412, a feeding plate 413, and a first feeding driving member 414, wherein the first feeding driving member 414 drives the feeding plate 413 to move so that the feeding plate 413 is aligned with a first end 412a of the feeding rod 412, and a second end 412b of the feeding rod 412 is inserted into the vibrating tray 411. During feeding, the vibrating plate 411 vibrates the second workpiece 720 to move the second workpiece 720 along the feeding rod 412, and the feeding rod 412 vibrates the second workpiece 720 to move the second workpiece 720 from the feeding rod 412 to the feeding plate 413.

Because second work piece 720 size is little, has deposited a plurality of second work pieces 720 in the wrapping bag, pour a plurality of second work pieces 720 in the wrapping bag into vibration dish 411 during the material loading to through vibration dish 411 and material loading pole 412 so that second work piece 720 can be in an orderly manner material loading one by one, avoid artifical letter sorting, be favorable to improving machining efficiency.

In some embodiments, referring to fig. 16, the first feeding driving member 414 includes a feeding translation driving member 415 and a feeding lifting driving member 416, the feeding translation driving member 415 is connected to the feeding plate 413 to drive the feeding plate 413 to translate along the Z direction shown in fig. 11, and the feeding lifting driving member 416 is connected to the feeding translation driving member 415 to drive the feeding plate 413 to lift along the Y direction shown in fig. 16, so that the feeding plate 413 is better aligned with the feeding rod 412, and the conveying efficiency is improved. In other embodiments, only the feeding translation drive 415 or the feeding lifting drive 416 may be provided, and the conveyance of the second workpiece 720 may also be enabled.

In some embodiments, both the loading translation drive 415 and the loading lift drive 416 are air cylinders. In other embodiments, the feeding translation driving element 415 and the feeding lifting driving element 416 can be both air cylinders and can also be motors.

In some embodiments, referring to fig. 16, two loading positions 413a are disposed on the loading plate 413, and the loading plate 413 is driven by the loading translation driving member 415 to translate along the Z direction shown in fig. 11, so that the two loading positions 413a on the loading plate 413 are respectively aligned with the second end 412b of the loading rod 412, and the loading plate 413 can transport two second workpieces 720 at a time, thereby improving the transport efficiency. In other embodiments, only one loading level 413a may be provided on the loading plate 413, as long as the loading level 413a can be aligned with the second end 412b of the loading rod 412.

Referring to fig. 17 and 18, the first material fetching mechanism 420 includes a first vacuum pumping element (not shown), a first suction head 421, a first fixing seat 422, a first rotating driving element 423 and a first lifting driving element 424, the first suction head 421 is slidably disposed on the first fixing seat 422, so that the first suction head 421 can slide relative to the first fixing seat 422 (along the Z direction shown in fig. 17), the first lifting driving element 424 is connected to the first fixing seat 422 and is used for driving the suction head to move up and down (along the Y direction shown in fig. 17), the first rotating driving element 423 is connected to the first lifting driving element 424 to drive the suction head to rotate, the first vacuum pumping element is connected to the first suction head 421 and performs vacuum pumping, so that negative pressure is formed in the first suction head 421 to pick up and place the second workpiece 720 on the stage 200, the picking efficiency is high, and damage to the second workpiece 720 can be reduced.

In some embodiments, the first rotary drive 423 is a motor and the first lift drive 424 is a lead screw. In other embodiments, first rotary drive 423 is a pneumatic cylinder and first lift drive 424 is a pneumatic cylinder.

In some embodiments, referring to fig. 19, the first material taking mechanism further includes a slide rail 425 and a slide block 426, the slide rail 425 is fixed at the bottom of the first fixing seat 422, the slide block 426 is connected to the first suction head 421, and the slide block 426 can slide along the slide rail 425 (along the Z direction shown in fig. 19) and drive the first suction head 421 to slide (along the Z direction shown in fig. 19), so as to adjust the distance between the first suction head 421 and the second workpiece 720. In other embodiments, the sliding block 426 can be fixed to the first fixing seat 422, and the sliding rail 425 is connected to the first suction head 421, so that the first suction head 421 can be slidably connected to the first fixing seat 422.

Further, the first material taking mechanism further includes a first material taking limiting block 427 and a second material taking limiting block 428, the first material taking limiting block 427 and the second material taking limiting block 428 are connected to the first fixing seat 422 and respectively located at two ends of the sliding rail 425, so as to limit the sliding block 426 and prevent the sliding block 426 from slipping off the sliding rail 425.

In some embodiments, referring to fig. 19, the first material taking limiting block 427 has an accommodating groove 427a, the accommodating groove 427a partially penetrates through the first material taking limiting block 427 to form a connecting end 427b, the connecting end 427b is fixed to the first fixing seat 422, the sliding rail 425 penetrates through the accommodating groove 427a, the first material taking limiting block 427 can limit the sliding block 426 without affecting the fixing of the sliding rail 425 to the first fixing seat 422, and the structure design is reasonable. In other embodiments, the first material-taking limiting block 427 may not be provided with the receiving groove 427a, and the first material-taking limiting block 427 may be directly fixed to the end of the sliding rail 425.

Furthermore, the first material taking mechanism further comprises a first material taking elastic member 429, wherein the first material taking elastic member 429 abuts between the sliding block 426 and the first material taking limiting block 427, and when the first suction head 421 picks up the second workpiece 720, the first suction head 421 can elastically abut against the second workpiece 720.

Specifically, the first material taking elastic member 429 is a spring or a resilient plate, and since the first material taking elastic member 429 is elastically abutted between the sliding block 426 and the first material taking limiting block 427, the first suction head 421 can slowly slide relative to the first fixing seat 422 (i.e. move along the X direction shown in fig. 14), so as to prevent the first suction head 421 and the second workpiece 720 from being in hard contact and damaging the second workpiece 720, and to buffer and protect the second workpiece 720.

In some embodiments, the first material taking limiting block 427 is provided with a through hole 427c, one end of the material recycling elastic member 329 abuts against the through hole 427c, and the other end of the material recycling elastic member 329 abuts against the sliding block 426.

Referring to fig. 19, the first suction head 421 includes a first expansion portion 421a and a first absorption portion 421b, the first expansion portion 421a is connected to the slider 426, and the first absorption portion 421b is connected to a side surface of the first expansion portion 421a and is used for picking up the second workpiece 720.

Specifically, the first telescopic portion 421a is provided with a first cavity 421c, a first air exhaust hole 421d is formed in a side wall of the first cavity 421c, the first air exhaust hole 421d is communicated with the first cavity 421c, please refer to fig. 20, the first adsorption portion 421b is provided with a vent hole 421e, the vent hole 421e is communicated with the first cavity 421c, and the first vacuum pumping element is connected to the first air exhaust hole 421d through a first vacuum pipeline (not shown in the figure) so as to form a negative pressure in the vent hole 421e, so that the first adsorption portion 421b sucks the second workpiece 720.

Further, referring to fig. 20, a bump 421f is disposed on the first suction portion 421b, and the bump 421f is located above the vent hole 421e and used for limiting the position of the second workpiece 720, so as to prevent the second workpiece 720 from being tilted when the second workpiece 720 is picked up due to an excessive negative pressure during suction of the first suction portion 421 b.

In some embodiments, the first suction portion 421b has a wedge shape to reduce a contact area with the second workpiece 720, so as to prevent the second workpiece 720 from being damaged by colliding with the second workpiece 720 during suction. In other embodiments, the first adsorption part 421b may also have an arc shape or other irregular shapes.

Further, referring to fig. 19, the first material taking mechanism further includes a first sealing member 429a, wherein the first sealing member 429a is disposed at the opening of the first cavity 421c and connected to the sliding block 426, so as to seal the first cavity 421c, enhance the sealing property at the connection between the first telescopic portion 421a and the sliding block 426, and prevent the poor sealing effect from affecting the picking effect of the second workpiece 720.

In some embodiments, the first sealing member 429a is a rubber gasket and is directly clamped in the first cavity 421 c. In other embodiments, the first sealing member 429a may be fixed in the first cavity 421c by a screw-type connection or a snap-type connection.

Referring to fig. 4 and 3, the pressing device 500 is mounted on the stage 200 for pressing the first workpiece 710 and the second workpiece 720.

Specifically, the pressing device 500 includes an object plate 510, a positioning seat 520, a positive pressure mechanism 530 and a lateral pressure mechanism 540, wherein the object plate 510 is disposed above the object stage 200, the positioning seat 520 is fixed on the object plate 510 to accommodate the workpiece, the positive pressure mechanism 530 is mounted on the object plate 510 for pressing the first workpiece 710 and the second workpiece 720 along the vertical direction, and the lateral pressure mechanism 540 is mounted on the object plate 510 for pressing the first workpiece 710 and the second workpiece 720 along the horizontal direction.

In some embodiments, referring to fig. 5, a positioning groove (not shown) is disposed on the positioning seat 520, a positioning column 521 is disposed on a bottom wall of the positioning groove, referring to fig. 1, a positioning hole 711 is disposed on the first workpiece 710, the first workpiece 710 is placed in the positioning groove, and the positioning column 521 can be inserted into the positioning hole 711 to perform preliminary positioning on the first workpiece 710.

Referring to fig. 6, the positive pressure mechanism 530 includes a positive pressure head 531, a positive pressure translational driving member 532 and a positive pressure lifting driving member 533, the positive pressure lifting driving member 533 is connected to the positive pressure head 531 to drive the positive pressure head 531 to move up and down (along the Y direction shown in fig. 6), the positive pressure translational driving member 532 is mounted on the object carrying plate 510, the positive pressure translational driving member 532 is connected to the positive pressure lifting driving member 533 to drive the positive pressure head 531 to move in translation (along the X direction shown in fig. 6), and with reference to fig. 1, the position of the positive pressure head 531 can be adjusted, and the positive pressure head 531 is vertically pressed on the first workpiece 710.

In some embodiments, the positive pressure translation drive 532 and the positive pressure lift drive 533 are both pneumatic cylinders. In other embodiments, the positive pressure translation drive 532 and the positive pressure lift drive 533 may also be motors.

Referring to fig. 4, the side pressing mechanism 540 includes a first side pressing mechanism 550 and a second side pressing mechanism 560, the first side pressing mechanism 550 and the second side pressing mechanism 560 are mounted on the loading plate 510 and located on different sides of the first workpiece 710, and the first side pressing mechanism 550 and the second side pressing mechanism 560 press the first workpiece 710 and the second workpiece 720 along different horizontal directions, so as to clamp the product 70 in all directions.

For convenience of understanding, please refer to fig. 1 and 5 in combination, in which the number of the second workpieces 720 is two (i.e., the short workpieces 721 and the long workpieces 722 shown in fig. 1).

The short workpiece 721 is assembled on the first side 701 of the first workpiece 710, the long workpiece 722 is assembled on the second side 701a of the first workpiece 710, the first side 701 and the second side 701a respectively correspond to a first side pressing mechanism 550, the first side pressing mechanism 550 laterally presses the first workpiece 710 and the second workpiece 720 along the X direction shown in fig. 1 and the Z direction shown in fig. 1, the third side 702 and the fourth side 702a of the first workpiece 710 respectively correspond to a second side pressing mechanism 560, and the second side pressing mechanism 560 laterally presses the first workpiece 710 along the Z direction shown in fig. 1 and the X direction shown in fig. 1, so as to prevent the first workpiece 710 from being skewed.

When the number of the sides of the first workpiece 710 is greater than four and the number of the sides of the second workpiece 720 is greater than two, the number of the first side pressing mechanisms 550 and the number of the second side pressing mechanisms 560 are also increased accordingly, and the number of the side pressing mechanisms 540 is not limited herein.

Referring to fig. 7, the first lateral pressing mechanism 550 includes a first lateral pressing driver 551, a first lateral pressing base 552 and a first lateral pressing head 553, the first lateral pressing head 553 is slidably connected to the first lateral pressing base 552, and the first lateral pressing driver 551 is used for driving the first lateral pressing head 553 to slide relative to the first lateral pressing base 552 (along the X direction shown in fig. 7).

In some embodiments, the first side pressure driver 551 is a pen cylinder. In other embodiments, the first side pressing driving member 551 may also be a screw rod.

In some embodiments, the first lateral pressing mechanism 550 further includes a driving connection plate 554, the first lateral pressing driving member 551 is connected to the driving connection plate 554, the driving connection plate 554 is fixedly connected to the first lateral pressing head 553, and the first lateral pressing driving member 551 drives the driving connection plate 554 to move along the X direction shown in fig. 7 and drives the first pressing head to move along the X direction shown in fig. 7. In other embodiments, the drive web 554 may not be provided and the first side press driver 551 is directly connected to the first side press 553.

Further, referring to fig. 7, the first lateral pressing mechanism 550 further includes a first stopper 555 and a first lateral pressing elastic member 556, the first stopper 555 is fixed on the first lateral pressing base 552, and the first lateral pressing elastic member 556 is abutted between the first stopper 555 and the first lateral pressing head 553, so that the first lateral pressing head 553 can be elastically abutted with the workpiece when being pressed along the horizontal direction, thereby preventing the first workpiece 710 and the second workpiece 720 from being pressed and damaged by hard pressing, and playing a role of buffering when being pressed along the horizontal direction.

Specifically, the first lateral pressing elastic member 556 is a spring or a resilient sheet.

Furthermore, referring to fig. 5, a side pressure limiting rod 557 is disposed on a side surface of the fixing base, referring to fig. 7, the first side pressure mechanism 550 further includes a second side pressure elastic member 558, an end portion of the second side pressure elastic member 558 is fixed to an end of the first side pressure head 553 far from the first stop 555, an end of the first side pressure head 553 far from the first stop 555 is provided with a slot 559, when the first side pressure mechanism 550 presses the first workpiece 710 and the second workpiece 720, the side pressure limiting rod 557 is located in the slot 559, and the second side pressure elastic member 558 abuts against a bottom wall of the slot 559 and between the side pressure limiting rod 557, so that the first side pressure head 553 can elastically abut against the workpiece when pressed in a horizontal direction, thereby preventing the workpiece from being pressed by the first side pressure head 553.

Specifically, the second lateral pressure elastic member 558 is a spring or a resilient plate.

In some embodiments, referring to fig. 7, the first side press head 553 includes a first fixing portion 553a and a first side pressing portion 553b, the first fixing portion 553a and the first side pressing portion 553b are connected by a fastener such as a screw or a bolt, and an end of the second side press elastic member 558 is fixed to the first side pressing portion 553 b. In other embodiments, the first side pressing part 553b may also be rotatably connected to the first fixing part 553a by a hinge or a rotating shaft, so that the angle of the first side pressing part 553 can be conveniently adjusted, and the first side pressing part 553 can be conveniently replaced.

Referring to fig. 8, the second side pressing mechanism 560 includes a second side pressing driving member 561, a second side pressing base 562 and a second side pressing head 563, the second side pressing head 563 is slidably connected to the second side pressing base 562, and the second side pressing driving member 561 is used for driving the second side pressing head 563 to slide (along the Z direction shown in fig. 8) relative to the second side pressing base 562.

In some embodiments, the second side pressure driver 561 is a cylinder. In other embodiments, the second side pressure driver 561 is a motor.

Further, the second side pressing mechanism 560 further includes a second stopper 564 and a third side pressing elastic member 565, the second stopper 564 is fixed on the second side pressing base 562, and the third side pressing elastic member 565 abuts between the second stopper 564 and the second side pressing base 562, so that the second side pressing head 563 can elastically abut against the workpiece when pressed in the horizontal direction, thereby preventing the first workpiece 710 and the second workpiece 720 from being damaged by hard pressing, and playing a role of buffering when pressed in the horizontal direction.

Specifically, the third lateral pressure elastic piece 565 is a spring or a leaf spring.

In some embodiments, referring to fig. 8, the second side pressing head 563 includes a second fixing portion 563a and a second side pressing portion 563b, the second fixing portion 563a and the second side pressing portion 563b are connected by a fastener such as a screw or a bolt, and an end of the third side pressing elastic member 565 is fixed to the second side pressing portion 563 b. In other embodiments, the second side pressing portion 563b may further be rotatably connected to the second fixing portion 563a through a hinge or a rotating shaft, so that the angle of the second side pressing head 563 is conveniently adjusted, and the second side pressing head 563 is conveniently replaced.

In some embodiments, the second side pressing portion 563b has a T-shape, and a corner of the second side pressing portion 563b is rounded to have a circular arc shape, thereby preventing the product 70 from being scratched. In other embodiments, the second side pressing portion 563b may also have an i-shape or other irregular shape.

Further, in order to detect whether the first workpiece 710 and the second workpiece 720 are assembled in place, please refer to fig. 21 in combination with fig. 2, the automatic assembly welding system further includes a visual alignment device 800 and a control unit (not shown), the visual alignment device 800 is electrically connected to the control unit, the control unit is connected to the first rotating driving member 423 and the first lifting driving member 424, when the visual alignment device 800 is close to the first feeding device 400, the first workpiece 710 and the second workpiece 720 are photographed and transmitted to the control unit through signals, if the operator determines that the first workpiece 710 and the second workpiece 720 are not assembled or the assembly position is incorrect through the photographed pictures, after being processed by the computing system of the control unit, the first rotary driving element 423 and the first lifting driving element 424 are controlled to move, and the claws 424 pick up the second workpiece 720 and re-clamp the second workpiece 720 at the correct position of the first workpiece 710.

Specifically, referring to fig. 21, the vision alignment apparatus 800 includes a vision elevating mechanism 810 and a CCD alignment lens 820, wherein the vision elevating mechanism 810 is connected to the CCD alignment lens 820 to drive the CCD alignment lens 820 to ascend and descend, so as to adjust the positions of the first workpiece 710 and the second workpiece 720 when photographing.

Referring to fig. 22, the welding device 600 includes a welding lifting mechanism 610, a welding translation mechanism 620 and a laser head 630, the welding translation mechanism 620 is connected to the laser head 630 to drive the laser head to translate, the welding lifting mechanism 610 is connected to the welding translation mechanism 620 to drive the laser head to lift, and the laser head is used for welding the first workpiece 710 and the second workpiece 720.

Further, referring to fig. 3, the object plate 510 is rotatably connected to the object stage 200, so that the object plate 510 drives the workpiece to rotate relative to the object stage 200.

Specifically, in some embodiments, when the number of the second workpieces 720 is at least two, a plurality of the second workpieces 720 (for example, the short workpieces 721 and the long workpieces 722 shown in fig. 1) need to be sequentially assembled on different sides of the first workpiece 710, please refer to fig. 1, first weld one short workpiece 721 on the first side 701 of the first workpiece 710 to form an intermediate product, then rotate the carrier plate 510 by 90 degrees to rotate the intermediate product by 90 degrees, and weld the long workpiece 722 on the second side 701a of the first workpiece 710 at the same station, which is simple and convenient to operate, and can reduce a set of welding apparatuses 600, thereby reducing the production cost. In other embodiments, the rotation angle of the carrier plate 510 can be adjusted according to actual needs.

In some embodiments, referring to fig. 4, the second side pressing mechanism 560 further includes a rotating cylinder 570, the rotating cylinder 570 includes a cylinder body and an output shaft (not shown in the drawings) driven by the cylinder body, the cylinder body is fixed to the object stage 200, the output shaft is fixedly connected to the object plate 510, and the cylinder body drives the output shaft to rotate, so as to drive the object plate 510 to rotate. In other embodiments, the carrier plate 510 and the carrier 200 may be riveted or integrally formed.

The automatic assembling and welding system is provided with the circulating feeding device 300, the first feeding device 400 and the welding device 600, can realize full-automatic feeding, assembling and welding of the first workpiece 710 and the second workpiece 720 of the product 70, is high in assembling efficiency and precision, saves labor cost, and is simple and reasonable in structural design.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A pressing device for pressing and fixing a first workpiece and a second workpiece is characterized by comprising:

a loading plate;

the positioning seat is fixed on the carrying plate and used for positioning the first workpiece and the second workpiece;

the side pressing mechanism comprises a first side pressing mechanism and a second side pressing mechanism, the first side pressing mechanism and the second side pressing mechanism are mounted on the carrying plate and are positioned on different sides of the first workpiece, and the first side pressing mechanism and the second side pressing mechanism are used for pressing the first workpiece and/or the second workpiece along different horizontal directions; and

and the positive pressure mechanism is arranged on the object carrying plate and is used for compressing the first workpiece and the second workpiece along the vertical direction.

2. The pressing device according to claim 1, wherein the positioning seat is provided with a positioning groove, a bottom wall of the positioning groove is provided with a positioning column, the first workpiece is provided with a positioning hole, the first workpiece is placed in the positioning groove, and the positioning column is inserted into the positioning hole.

3. The compacting device according to claim 1, wherein the positive pressure mechanism includes a positive pressure head, a positive pressure translational driving member, and a positive pressure elevating driving member, the positive pressure elevating driving member is connected to the positive pressure head to drive the positive pressure head to move up and down, the positive pressure translational driving member is mounted on the loading plate, and the positive pressure translational driving member is connected to the positive pressure elevating driving member to drive the positive pressure head to move translationally.

4. The compressing device as claimed in claim 1, wherein the first lateral pressing mechanism includes a first lateral pressing driving member, a first lateral pressing base, and a first lateral pressing head, the first lateral pressing head is slidably connected to the first lateral pressing base, and the first lateral pressing driving member is configured to drive the first lateral pressing head to slide relative to the first lateral pressing base.

5. The pressing device as claimed in claim 4, further comprising a first stopper fixed to the first lateral pressing base and a first lateral pressing elastic member abutting against between the first stopper and the first lateral pressing base.

6. The compression device of claim 5, further comprising a second lateral compression spring having an end fixed to an end of the first lateral compression head distal from the first stop.

7. The pressing device as claimed in claim 6, further comprising a lateral pressure limiting rod, wherein the lateral pressure limiting rod is connected to a lateral surface of the positioning seat, a slot is formed in an end of the first lateral pressing head away from the first stopper, the lateral pressure limiting rod is located in the slot, and the second lateral pressure elastic member abuts against a bottom wall of the slot and the lateral pressure limiting rod.

8. The compression device as claimed in claim 1, wherein the second lateral pressing mechanism comprises a second lateral pressing driving member, a second lateral pressing base and a second lateral pressing head, the second lateral pressing head is slidably connected with the second lateral pressing base, and the second lateral pressing driving member is used for driving the second lateral pressing head to slide relative to the second lateral pressing base.

9. The compressing device as claimed in claim 8, further comprising a second stopper fixed to the second side holder and a third side holder abutting against the second stopper and the second side holder.

10. An automated assembly welding system, comprising:

an object stage;

a compacting apparatus according to any one of claims 1-9, mounted on the stage;

and the compressing device can compress the first workpiece and the second workpiece and rotate the objective table to be close to the welding device, and the welding device can weld the first workpiece and the second workpiece.

Images