CN219966804U

CN219966804U - Laser welding positioning and compacting device and laser welding machine

Info

Publication number: CN219966804U
Application number: CN202320876257.8U
Authority: CN
Inventors: 王小明; 杨维
Original assignee: Shanghai Aokewei Intelligent Equipment Co ltd; Shanghai Kelai Shengluo Automation Equipment Co ltd; SHANGHAI KELAI ELECTROMECHANICAL AUTOMATION ENGINEERING CO LTD
Current assignee: Shanghai Aokewei Intelligent Equipment Co ltd; Shanghai Kelai Shengluo Automation Equipment Co ltd; SHANGHAI KELAI ELECTROMECHANICAL AUTOMATION ENGINEERING CO LTD
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-11-07
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a laser welding positioning and pressing device and a laser welding machine, and relates to the technical field of laser welding. The laser welding positioning and compressing device comprises a power mechanism and a compressing mechanism, wherein a power assembly of the power mechanism is connected with a transmission assembly to drive the transmission assembly to rotate. The pressing mechanism comprises a mounting plate, an angle adjusting assembly and a pressing clamp, the pressing clamp is arranged on the angle adjusting assembly, the angle adjusting assembly comprises an angle adjusting base and a rotating part, the angle adjusting base is detachably connected with the mounting plate, and the rotating part is arranged in the angle adjusting base and is rotationally connected with the angle adjusting base; one end of the rotating part is spliced with the connecting component, and the connecting component is connected with the transmission component; the other end of the rotating part is connected with a pressing clamp and a locating piece, the locating piece is arranged in the circumferential direction of the rotating part, the power mechanism drives the rotating part to rotate, so that the locating piece is matched with a locating hole on the piece to be welded to locate the piece to be welded, and the pressing clamp is arranged in the center of the rotating part to press the piece to be welded.

Description

Laser welding positioning and compacting device and laser welding machine

Technical Field

The utility model relates to the technical field of laser welding, in particular to a laser welding positioning and pressing device and a laser welding machine.

Background

With the vigorous development of the automobile industry, the use standard of people on automobiles is higher and higher, and the production process of automobile parts is advanced and advanced. The laser welding process is an advanced manufacturing process in the current automobile industry, and has the advantages of high efficiency, high reliability and the like, but also has the disadvantages of high cost and the like.

Because the welding positions of different products are different, the compression clamps during laser welding are also different, and the compression clamps of different products are required to be adjusted in angle after being assembled so as to be positioned with a piece to be welded before compression welding. The laser welding positioning and pressing device in the prior art cannot be compatible with positioning and welding of various products, and the welding cost of the products is high.

Disclosure of Invention

The utility model aims to provide a laser welding positioning pressing device and a laser welding machine, which can realize the rapid replacement and angle adjustment of a pressing clamp, are compatible with the welding of a plurality of different products, and reduce the welding cost of the products.

To achieve the purpose, the utility model adopts the following technical scheme:

laser welding location closing device includes:

the power mechanism comprises a power assembly and a transmission assembly, and the power assembly is connected with the transmission assembly to drive the transmission assembly to rotate;

the pressing mechanism comprises a mounting plate, an angle adjusting assembly and a pressing clamp, wherein the angle adjusting assembly is detachably connected with the mounting plate, the pressing clamp is arranged on the angle adjusting assembly, the angle adjusting assembly comprises an angle adjusting base and a rotating part, the angle adjusting base is detachably connected with the mounting plate, and the rotating part is arranged in the angle adjusting base and is rotationally connected with the angle adjusting base; one end of the rotating part is spliced with a connecting component, and the connecting component is connected with the transmission component; the other end of the rotating part is connected with the pressing clamp and the positioning piece, the positioning piece is arranged in the circumferential direction of the rotating part, and the power mechanism drives the rotating part to rotate so that the positioning piece is matched with a positioning hole on a piece to be welded to position the piece to be welded; the pressing clamp is arranged at the center of the rotating part and used for pressing the piece to be welded.

As an alternative scheme of the laser welding positioning and compressing device, the compressing mechanism further comprises at least two quick-change assemblies, wherein the at least two quick-change assemblies are arranged on the mounting plate and located in the circumferential direction of the angle adjusting base, and the quick-change assemblies are telescopic so as to move towards a direction close to or far away from the angle adjusting base.

As an alternative scheme of the laser welding positioning and compacting device, the quick-change assembly comprises an elastic piece and a clamping block, a first communication hole and a chute are formed in the mounting plate, one end of the chute is communicated with the first communication hole and arranged in the circumferential direction of the first communication hole, the quick-change assembly is arranged in the chute, the angle adjusting assembly is arranged in the first communication hole, the clamping block is positioned between the angle adjusting base and the elastic piece, and the clamping block moves to one end far away from the angle adjusting base to compress the elastic piece so as to release the clamping of the angle adjusting base; the clamping block can clamp the angle adjusting base under the action of elastic restoring force of the elastic piece.

As an alternative scheme of the laser welding positioning and compacting device, a first clamping part is arranged at one end, close to the angle adjusting base, of the clamping block, a second clamping part is arranged on the circumference of the angle adjusting base, and the first clamping part is matched with the second clamping part, so that the clamping block clamps the angle adjusting base.

As an alternative of the laser welding positioning and compacting device, the quick-change assembly further comprises a quick-change handle, wherein the quick-change handle is connected to one side, far away from the bottom of the sliding groove, of the clamping block and is used for driving the clamping block to move in a direction far away from the angle adjusting base.

As an alternative scheme of laser welding location closing device, the rotation part includes butt joint axle and anchor clamps mount pad, the one end of butt joint axle is connected coupling assembling, the other end is connected the anchor clamps mount pad, compress tightly anchor clamps with the setting element all install in on the anchor clamps mount pad, the butt joint axle with the angle modulation base is rotated through first bearing and is connected.

As an alternative scheme of the laser welding positioning and compacting device, the transmission assembly comprises a first gear and a second gear, the power assembly is connected with the first gear, the second gear and the first gear are in meshed transmission, and the second gear is connected with the butt joint shaft through the connection assembly so as to drive the rotating part to rotate.

As an alternative scheme of the laser welding positioning and compacting device, the connecting assembly comprises a connecting sleeve and a connecting shaft, the connecting sleeve is arranged on the inner ring of the second gear, and the connecting sleeve is connected with the butt joint shaft through the connecting shaft.

As an alternative scheme of the laser welding positioning and compacting device, the connecting assembly further comprises a gear cover plate, the gear cover plate is arranged at one end, far away from the angle adjusting assembly, of the second gear, the gear cover plate is used for connecting the second gear with the connecting sleeve, and a second bearing is arranged between the second gear and the connecting sleeve.

As an alternative scheme of laser welding location closing device, laser welding location closing device still includes angle regulation sensor and angle regulation origin mount pad, the angle regulation origin mount pad is fixed in on the mounting panel, the circumference of gear cover plate is equipped with the signaling screw, angle regulation sensor locates the top of angle regulation origin mount pad, and can with signaling screw aligns, works as the gear cover plate is from signaling screw with the position that angle regulation sensor aligns rotates to setting for adjustment angle, signaling screw sends the signal so that drive assembly stops rotating.

The laser welding machine comprises a welding device, a lifting device and the laser welding positioning and pressing device according to any scheme, wherein the welding device is arranged above the laser welding positioning and pressing device, and the lifting device is used for driving the laser welding positioning and pressing device to switch between a working position and a non-working position.

The utility model has the beneficial effects that:

the utility model provides a laser welding positioning and compressing device, which comprises a power mechanism and a compressing mechanism, wherein the power mechanism comprises a power component and a transmission component, and the power component is connected with the compressing mechanism through the transmission component. The compressing mechanism comprises a mounting plate, an angle adjusting assembly and a compressing clamp, the angle adjusting assembly comprises an angle adjusting base and a rotating part, the rotating part is rotationally arranged in the angle adjusting base, one end of the rotating part is spliced with a connecting assembly, and the connecting assembly is connected with a transmission assembly. The other end of the rotating part is provided with a pressing clamp and a positioning piece. The angle adjusting component is detachably connected with the mounting plate, when different products are welded, the angle adjusting component can be detached, the rotating part and the connecting component are released from being spliced, and the pressing clamp can be replaced. When the pressing clamp is replaced, the angle adjusting assembly is installed on the installation plate, the power mechanism drives the rotating part to rotate to set the adjusting angle, so that the locating piece arranged on the circumference of the rotating part is matched with the locating hole of the piece to be welded to locate the piece to be welded, and after the locating is completed, the pressing clamp is pressed on the piece to be welded. According to the laser welding positioning and compressing device provided by the embodiment, the angle adjusting component is detachably connected with the mounting plate, when different products are welded, the angle adjusting component is only required to be detached, the compressing clamp matched with the to-be-welded piece is replaced, then the angle adjusting component is mounted on the mounting plate, the power mechanism drives the rotating part to rotate so that the positioning piece is matched with the positioning hole on the to-be-welded piece to be positioned, and the compressing clamp compresses the to-be-welded piece to be welded; the quick replacement and the angle adjustment of the compression clamp are realized, the positioning and the welding of various different products are compatible, and the welding cost of the products is reduced.

The laser welding machine provided by the utility model can be used for welding a plurality of different products by applying the laser welding positioning and pressing device, so that the welding cost of the products is reduced, and the welding efficiency is improved.

Drawings

FIG. 1 is a schematic view of a laser welder according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a laser welding positioning and compacting device according to an embodiment of the present utility model;

FIG. 3 is a top view of a laser welding positioning and compaction device according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of a structure of a clamping block according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of an angle adjustment base according to an embodiment of the present utility model.

In the figure:

100. a welding device; 200. a lifting device; 300. a laser welding positioning and compressing device;

1. a power assembly; 2. a transmission assembly; 3. a mounting plate; 4. an angle adjustment assembly; 5. a pressing clamp; 6. a connection assembly; 7. a positioning piece; 8. a quick change assembly;

21. a first gear; 22. a second gear; 41. an angle adjusting base; 42. a rotating part; 61. connecting sleeves; 62. a connecting shaft; 63. a gear cover plate; 64. a second bearing; 81. an elastic member; 82. a clamping block; 83. a quick-change handle; 84. a fixed block; 85. a spring pressing plate; 91. an angle adjustment sensor; 92. an origin mounting seat is adjusted by an angle;

411. a second clamping part; 421. a butt joint shaft; 422. a clamp mounting seat; 423. a first bearing; 821. a first clamping part; 822. and a limiting hole.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the present embodiment provides a laser welding machine, which includes a welding device 100, a lifting device 200, and a laser welding positioning and pressing device 300, wherein the welding device 100 is disposed above the laser welding positioning and pressing device 300, and the lifting device 200 is used for driving the laser welding positioning and pressing device 300 to switch between a working position and a non-working position.

The welding device 100 comprises a laser generator, the laser generator is arranged right above the laser welding positioning and pressing device 300, the laser welding positioning and pressing device 300 is used for positioning and pressing a workpiece to be welded, laser emitted by the laser generator penetrates through the laser welding positioning and pressing device 300 to weld the workpiece to be welded, and automatic guiding of welding points and accurate welding functions can be achieved.

The lifting device 200 is used for driving the welding device 100 and the laser welding positioning and pressing device 300 to lift, so that the laser welding positioning and pressing device 300 is lowered to a working position to be positioned and then is abutted to press a workpiece to be welded, and then the workpiece to be welded is welded through the welding device 100. When the welding is completed, the lifting device 200 drives the welding device 100 and the laser welding positioning and pressing device 300 to ascend to the non-working position.

The specific structure and operation of the lifting device 200 and the welding device 100 are already known in the art, and will not be described herein.

Because the shape and the welding position of different products are different, the pressing clamps used for positioning and pressing different products are different, and in the prior art, different laser welding machines are needed for welding different products, so that the welding cost of the products is high.

As shown in fig. 2-4, in order to reduce welding cost of products, the present embodiment provides a laser welding positioning and compacting device 300, which is capable of being compatible with positioning and compacting of different products, the laser welding positioning and compacting device 300 includes a power mechanism and a compacting mechanism, the power mechanism includes a power assembly 1 and a transmission assembly 2, and the power assembly 1 is connected with the transmission assembly 2 to drive the transmission assembly 2 to rotate. The compressing mechanism comprises a mounting plate 3, an angle adjusting assembly 4 and a compressing clamp 5, wherein the angle adjusting assembly 4 is detachably connected with the mounting plate 3, the compressing clamp 5 is arranged on the angle adjusting assembly 4, the angle adjusting assembly 4 comprises an angle adjusting base 41 and a rotating part 42, the angle adjusting base 41 is detachably connected with the mounting plate 3, and the rotating part 42 is arranged in the angle adjusting base 41 and is rotationally connected with the angle adjusting base 41; one end of the rotating part 42 is spliced with the connecting component 6, and the connecting component 6 is connected with the transmission component 2; the other end of the rotating part 42 is connected with the pressing clamp 5 and the positioning piece 7, the positioning piece 7 is arranged on the circumference of the rotating part 42, and the power mechanism drives the rotating part 42 to rotate, so that the positioning piece 7 is matched with a positioning hole on a piece to be welded to position the piece to be welded. The pressing fixture 5 is disposed at the center of the rotating portion 42, and is used for pressing the workpiece to be welded.

The angle adjusting component 4 is detachably connected with the mounting plate 3, when different products are welded, the angle adjusting component 4 can be detached, the rotating part 42 is in plug connection with the connecting component 6, and the pressing clamp 5 can be replaced. When the pressing fixture 5 is replaced, the angle adjusting assembly 4 is installed on the installation plate 3, and at the moment, the power mechanism drives the rotating part 42 to rotate for setting the adjusting angle, so that the locating piece 7 arranged on the periphery of the rotating part 42 is matched with the locating hole of the piece to be welded to locate the piece to be welded, and after the locating is completed, the pressing fixture 5 is pressed against the piece to be welded.

According to the laser welding positioning and pressing device provided by the embodiment, the angle adjusting component 4 is detachably connected with the mounting plate 3, when different products are welded, only the angle adjusting component 4 is required to be detached, the pressing clamp 5 matched with the to-be-welded piece is replaced, then the angle adjusting component 4 is mounted on the mounting plate 3, the power mechanism drives the rotating part 42 to rotate so that the positioning piece 7 is matched with the positioning hole on the to-be-welded piece for positioning, and the to-be-welded piece can be welded after the pressing clamp 5 presses the to-be-welded piece; the quick replacement and the angle adjustment of the compression fixture 5 are realized, the positioning and the welding of various different products are compatible, and the welding cost of the products is reduced.

In order to realize the quick replacement of angle adjustment subassembly 4, hold-down mechanism still includes two at least quick change subassemblies 8, and mounting panel 3 is all located to two at least quick change subassemblies 8, and is located the circumference of angle adjustment base 41, and quick change subassemblies 8 are scalable to be moved to the direction that is close to or keep away from angle adjustment base 41. When the angle adjusting assembly 4 is disassembled, the quick-change assembly 8 is retracted, moves in the direction away from the angle adjusting base 41, the circumferential fixation of the angle adjusting base 41 is released, and then downward acting force is applied to the rotating part 42, so that the rotating part 42 can be separated from and connected with a bolt on the connecting assembly 6, and the quick-change assembly 4 is disassembled.

The shape of the different products and thus the shape of the required compaction fixture 5 is different. The pressing fixture 5 is fixed on the rotating part 42 through a fastening bolt, after the angle adjusting assembly 4 is disassembled, the pressing fixture 5 or the rotating part 42 which is matched with a piece to be welded is replaced, after the replacement is completed, the angle adjusting assembly 4 is installed on the mounting plate 3, during the installation, the rotating part 42 is inserted with a bolt on the connecting assembly 6, and the quick-change assembly 8 is driven to extend to be matched with the angle adjusting base 41 in the circumferential direction so as to clamp the angle adjusting assembly 4.

As an alternative scheme of the laser welding positioning and compacting device, the quick-change assembly 8 comprises an elastic piece 81 and a clamping block 82, a first communication hole and a chute are formed in the mounting plate 3, one end of the chute is communicated with the first communication hole and arranged in the circumference of the first communication hole, the quick-change assembly 8 is arranged in the chute, the angle adjusting assembly 4 is arranged in the first communication hole, the clamping block 82 is positioned between the angle adjusting base 41 and the elastic piece 81, and the clamping block 82 moves the compression elastic piece 81 towards one end far away from the angle adjusting base 41 to release the clamping of the angle adjusting base 41; the clamping block 82 can clamp the angle adjusting base 41 by the elastic restoring force of the elastic member 81.

In this embodiment, the elastic member 81 is a spring, two quick-change assemblies 8 are provided, two sliding grooves are provided in the circumference of the first communication hole on the mounting plate 3, the two sliding grooves are disposed oppositely, and the two quick-change assemblies 8 are disposed in the two sliding grooves in a one-to-one correspondence. Simultaneously, the two clamping blocks 82 are driven to move in the direction away from the angle adjusting base 41, and the clamping blocks 82 compress the springs, so that the circumferential fixation of the clamping blocks 82 on the angle adjusting base 41 can be relieved; after the acting force on the clamping blocks 82 is removed, the two clamping blocks 82 clamp the angle adjusting base 41 under the action of the elastic restoring force of the springs corresponding to the clamping blocks, so that the angle adjusting base 41 can be fixed; the operation is simple, and the disassembly and assembly of the angle adjusting component 4 are convenient.

As shown in fig. 2 and 5, in order to fix the clamping block 82, two sides of the clamping block 82 are provided with fixing blocks 84, two fixing blocks 84 are connected with the clamping block 82 through a limiting rod, the clamping block 82 is provided with a limiting hole 822, the diameter of the limiting hole 822 is larger than that of the limiting rod, and the fixing blocks 84 are connected with the mounting plate 3 through fastening screws, so that the clamping block 82 can be connected with the mounting plate 3 through the fixing blocks 84 and can move in a direction approaching to or separating from the angle adjusting base 41. In this embodiment, two limit rods and limit holes 822 are provided in a uniform and corresponding manner.

The mounting plate 3 is also fixedly provided with a spring pressing plate 85, and the spring pressing plate 85 is arranged on the spring and is used for sealing the spring, so that the spring is prevented from being rusted or damaged due to direct contact with the external environment, and the performance of the spring is prevented from being influenced.

Of course, in other embodiments, the quick-change assembly 8 may be a magnet magnetically coupled to the angle adjustment base 41.

As shown in fig. 5 and 6, in order to ensure reliability when the clamping block 82 clamps the angle adjustment base 41, a first clamping portion 821 is provided at one end of the clamping block 82 near the angle adjustment base 41, a second clamping portion 411 is provided at the circumference of the angle adjustment base 41, and the first clamping portion 821 and the second clamping portion 411 are engaged to clamp the angle adjustment base 41 by the clamping block 82.

In this embodiment, the first clamping portion 821 includes a stepped surface and a clamping protrusion, the outer periphery of the angle adjustment base 41 is set to be a stepped outer circle, a clamping groove is provided in the circumferential direction of the outer circle with a larger diameter, the stepped outer circle and the clamping groove are the second clamping portion 411, the stepped surface is matched with the stepped outer circle, and the clamping protrusion is clamped with the clamping groove so as to clamp the angle adjustment base 41.

With continued reference to fig. 2-4, as an alternative to the laser welding positioning jig, the quick-change assembly 8 further includes a quick-change handle 83, the quick-change handle 83 being connected to a side of the clamping block 82 remote from the bottom of the chute for driving the clamping block 82 to move toward an end remote from the angle adjustment base 41. The clamping block 82 is forced by the quick-change handle 83, so that the replacement efficiency of the angle adjusting assembly 4 is improved, and the cost is reduced.

As an alternative of the laser welding positioning and compacting device, the rotating part 42 includes a docking shaft 421 and a fixture mounting seat 422, one end of the docking shaft 421 is connected with the connecting component 6, the other end is connected with the fixture mounting seat 422, the compacting fixture 5 and the positioning member 7 are both mounted on the fixture mounting seat 422, and the docking shaft 421 is rotationally connected with the angle adjusting base 41 through a first bearing 423. The locating piece 7 is the reference column, and the reference column is fixed in anchor clamps mount pad 422, and angle adjusting component 4 is changed the back, needs to drive rotation part 42 rotation in order to make the reference column correspond with the locating hole on the piece of waiting to weld, carries out the location earlier to wait to weld the piece, and the rethread compresses tightly anchor clamps 5 compress tightly. It should be noted that, the shapes of different products are different, and the shapes of the pressing jigs 5 are also different, so as to avoid the influence of the pressing jigs 5 on the welding position of the workpiece to be welded.

The power assembly 1 comprises a motor, a motor mounting seat, a speed reducer, a shaft coupling and a transmission shaft, wherein the motor is mounted on the motor mounting seat through bolts, a motor main shaft is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with the transmission shaft through the shaft coupling to output rotary power, and the angle of the rotary part 42 is adjusted through the transmission assembly 2 to adapt to different products so as to position the different products.

As an alternative to the laser welding positioning and compacting device, the transmission assembly 2 includes a first gear 21 and a second gear 22, the power assembly 1 is connected to the first gear 21, the second gear 22 and the first gear 21 are engaged for transmission, and the second gear 22 is connected to the docking shaft 421 through the connection assembly 6 to drive the rotation part 42 to rotate. The transmission shaft is fixedly connected with the first gear 21, so that the first gear 21 drives the second gear 22 to rotate, and the second gear 22 is connected with the docking shaft 421 through the connecting assembly 6 to drive the rotating part 42 to rotate. In order to realize the stability of the support of the first gear 21 and the second gear 22, the transmission shaft penetrates through the first gear 21 to be rotationally connected with the mounting plate 3, so that the transmission shaft can ensure the stability of the support of the first gear 21 while driving the first gear 21 to rotate.

Further, the connecting assembly 6 includes a connecting sleeve 61 and a connecting shaft 62, the connecting sleeve 61 is disposed on the inner ring of the second gear 22, and the connecting sleeve 61 is connected to the docking shaft 421 through the connecting shaft 62. The connecting assembly 6 further comprises a gear cover 63, the gear cover 63 is arranged at one end of the second gear 22 far away from the angle adjusting assembly 4, the gear cover 63 is used for connecting the second gear 22 and the connecting sleeve 61, and a second bearing 64 is arranged between the second gear 22 and the connecting sleeve 61. In order to avoid that the direct connection of the connection sleeve 61 with the inner ring of the second gearwheel 22 influences the service life of the second gearwheel 22. The second gear 22 and the connecting sleeve 61 are connected through the gear cover plate 63, and the second bearing 64 is arranged between the second gear 22 and the connecting sleeve 61, so that abrasion of the inner ring of the second gear 22 caused by inconsistent relative rotation of rotation speeds between the second gear 22 and the connecting sleeve 61 is reduced.

Because the positions of the positioning holes of different products are different, the angles of rotation required by the rotating part 42 are different, and the angles of rotation required by different products are set adjustment angles. In order to facilitate controlling the rotation angle of the rotating portion 42, the laser welding positioning and compacting device 300 further includes an angle adjustment sensor 91 and an angle adjustment origin mounting seat 92, the angle adjustment origin mounting seat 92 is fixed on the mounting plate 3, a signaling screw is provided in the circumferential direction of the gear cover 63, the angle adjustment sensor 91 is provided on the angle adjustment origin mounting seat 92 and can be aligned with the signaling screw, and when the gear cover 63 rotates from the position where the signaling screw is aligned with the angle adjustment sensor 91 to a set adjustment angle, the signaling screw sends a signal to stop the rotation of the transmission assembly 2.

When the rotation part 42 rotates to a set adjustment angle, the signaling screw sends a signal to the controller, which controls the power module 1 to stop driving.

The connection manner and the working principle of the signaling screw and the angle adjusting sensor 91 with the controller are already the prior art, and are not described herein again.

It should be noted that, in this embodiment, the center of the connection assembly 6, the rotation portion 42, and the pressing jig 5 is provided with a laser channel through which laser passes. An exhaust pipeline is arranged in the mounting plate 3 so as to disperse smoke generated by laser welding.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. Laser welding location closing device, its characterized in that includes:

the power mechanism comprises a power assembly (1) and a transmission assembly (2), wherein the power assembly (1) is connected with the transmission assembly (2) to drive the transmission assembly (2) to rotate;

the compressing mechanism comprises a mounting plate (3), an angle adjusting assembly (4) and a compressing clamp (5), wherein the angle adjusting assembly (4) is detachably connected with the mounting plate (3), and the compressing clamp (5) is arranged on the angle adjusting assembly (4);

the angle adjusting assembly (4) comprises an angle adjusting base (41) and a rotating part (42), wherein the angle adjusting base (41) is detachably connected with the mounting plate (3), and the rotating part (42) is arranged in the angle adjusting base (41) and is rotationally connected with the angle adjusting base (41); one end of the rotating part (42) is spliced with a connecting component (6), and the connecting component (6) is connected with the transmission component (2); the other end of the rotating part (42) is connected with the pressing clamp (5) and the positioning piece (7), the positioning piece (7) is arranged on the circumference of the rotating part (42), and the power mechanism drives the rotating part (42) to rotate so that the positioning piece (7) is matched with a positioning hole on a piece to be welded to position the piece to be welded; the pressing clamp (5) is arranged at the center of the rotating part (42) and used for pressing the to-be-welded piece.

2. The laser welding positioning and pressing device according to claim 1, wherein the pressing mechanism further comprises at least two quick-change assemblies (8), at least two quick-change assemblies (8) are arranged on the mounting plate (3) and are located in the circumferential direction of the angle adjustment base (41), and the quick-change assemblies (8) are telescopic to move in the direction approaching or separating from the angle adjustment base (41).

3. The laser welding positioning and compacting device according to claim 2, characterized in that the quick-change assembly (8) comprises an elastic piece (81) and a clamping block (82), a first communication hole and a chute are formed in the mounting plate (3), one end of the chute is communicated with the first communication hole and arranged in the circumference of the first communication hole, the quick-change assembly (8) is arranged in the chute, the angle adjusting assembly (4) is arranged in the first communication hole, the clamping block (82) is positioned between the angle adjusting base (41) and the elastic piece (81), and the clamping block (82) moves to the end far away from the angle adjusting base (41) to compress the elastic piece (81) so as to release the clamping of the angle adjusting base (41); the clamping block (82) can clamp the angle adjusting base (41) under the action of elastic restoring force of the elastic piece (81).

4. A laser welding positioning and compacting device according to claim 3, characterized in that one end of the clamping block (82) close to the angle adjustment base (41) is provided with a first clamping part (821), the circumference of the angle adjustment base (41) is provided with a second clamping part (411), and the first clamping part (821) and the second clamping part (411) cooperate to enable the clamping block (82) to clamp the angle adjustment base (41).

5. A laser welding positioning and compacting apparatus in accordance with claim 3, characterized in that said quick-change assembly (8) further comprises a quick-change handle (83), said quick-change handle (83) being connected to a side of said clamping block (82) remote from said chute bottom for driving said clamping block (82) to move away from said angle adjustment base (41).

6. The laser welding positioning and compacting device according to claim 1, characterized in that the rotating part (42) comprises a butt joint shaft (421) and a clamp mounting seat (422), one end of the butt joint shaft (421) is connected with the connecting component (6), the other end is connected with the clamp mounting seat (422), the compacting clamp (5) and the positioning piece (7) are both mounted on the clamp mounting seat (422), and the butt joint shaft (421) is rotatably connected with the angle adjusting base (41) through a first bearing (423).

7. The laser welding positioning and compacting device according to claim 6, characterized in that the transmission assembly (2) comprises a first gear (21) and a second gear (22), the power assembly (1) is connected with the first gear (21), the second gear (22) and the first gear (21) are in meshed transmission, and the second gear (22) is connected with the docking shaft (421) through the connection assembly (6) so as to drive the rotating part (42) to rotate.

8. The laser welding positioning and compacting device according to claim 7, characterized in that the connecting assembly (6) comprises a connecting sleeve (61) and a connecting shaft (62), the connecting sleeve (61) is arranged on the inner ring of the second gear (22), and the connecting sleeve (61) is connected with the butt joint shaft (421) through the connecting shaft (62).

9. The laser welding positioning and compacting apparatus of claim 8 wherein the connecting assembly (6) further includes a gear cover plate (63), the gear cover plate (63) being disposed at an end of the second gear (22) remote from the angle adjusting assembly (4), the gear cover plate (63) being configured to connect the second gear (22) and the connecting sleeve (61), a second bearing (64) being disposed between the second gear (22) and the connecting sleeve (61).

10. The laser welding positioning and pressing device according to claim 9, further comprising an angle adjustment sensor (91) and an angle adjustment origin mount (92), wherein the angle adjustment origin mount (92) is fixed on the mounting plate (3), a signaling screw is provided in the circumferential direction of the gear cover plate (63), the angle adjustment sensor (91) is provided at the top end of the angle adjustment origin mount (92) and can be aligned with the signaling screw, and when the gear cover plate (63) rotates from the position where the signaling screw is aligned with the angle adjustment sensor (91) to a set adjustment angle, the signaling screw sends a signal to stop the rotation of the transmission assembly (2).

11. A laser welding machine, characterized by comprising a welding device (100), a lifting device (200) and a laser welding positioning and pressing device according to any one of claims 1-10, wherein the welding device (100) is arranged above the laser welding positioning and pressing device, and the lifting device (200) is used for driving the laser welding positioning and pressing device to switch between a working position and a non-working position.