Laser welding equipment for automobile parts

Abstract

The utility model belongs to the field of laser welding equipment, particularly relates to laser welding equipment for automobile parts, and aims to solve the problem that the application range of the laser welding equipment is small due to the fact that the existing laser welding equipment cannot perform multi-angle welding on two automobile parts. The shell is fixedly connected to the rack; the cover is rotationally connected to the shell; the screw transmission mechanism is arranged on the rack; the laser welding device is arranged on the screw transmission mechanism; the connecting rod moving device is arranged on the rack; the first clamping and fixing device is arranged on the connecting rod moving device; the guide rail moving device is arranged on the shell; according to the laser welding device, two automobile parts can be welded at multiple angles, and the application range of the laser welding device is widened.

Description

Technical Field

[0001] This application relates to the field of laser welding equipment, and particularly to a laser welding equipment for automotive parts. Background Art

[0002] Laser welding equipment is the general term for various laser welding machines. Laser welding is a machine used for laser material processing, and is often also called a laser welding machine or a laser welder. Laser welding uses a high-energy laser pulse to locally heat a small area of the material. The energy of the laser radiation diffuses into the interior of the material through heat conduction, melting the material to form a specific molten pool to achieve the purpose of welding.

[0003] The patent document with the publication number CN214350248U discloses a laser welding equipment for automotive parts, including a mainframe, a laser generator, and a connection wire harness. The laser generator is connected to the mainframe through the connection wire harness; it also includes a first support plate, a first motor, a first speed reducer, a second support plate, a motor bracket, a second motor, a second speed reducer, a movable bracket, and a laser generator fixing bracket. The bottom end of the first support plate is connected to the top end of the mainframe. A first guide rail is provided on the first support plate. The first motor and the first speed reducer are both installed at the front end of the mainframe, and the output end of the first motor is connected to the input end of the first speed reducer.

[0004] The patent document with the publication number CN204565422U discloses a laser welding equipment for automotive parts, including a guide rail base, a manipulator, a manipulator control device, and a laser. It is characterized in that a guide rail and a rack are provided on the upper part of the guide rail base; a manipulator mounting base is provided on the guide rail. A manipulator, a gear, and a speed reducer are provided on the manipulator mounting base; a laser welding head is provided on the manipulator. The laser is connected to the laser welding head through an optical fiber; a working platform is provided outside the guide rail base, and a welding fixture is provided on the working platform; a manipulator control device and a servo motor are provided outside the manipulator mounting base; the servo motor is connected to the speed reducer, the speed reducer is connected to the gear on the manipulator mounting base, and the gear is connected to the rack. It can realize welding multiple automotive parts with one set of equipment, reduce the equipment investment cost, and improve the utilization rate of the equipment.

[0005] However, the existing laser welding equipment cannot weld two automotive parts at multiple angles, resulting in the problem of a small application range of the laser welding equipment. For this reason, a laser welding equipment for automotive parts is proposed. Utility Model Content

[0006] In order to improve the problem that the existing laser welding equipment cannot weld two automotive parts at multiple angles, resulting in a small application range of the laser welding equipment, this application provides a laser welding equipment for automotive parts.

[0007] A laser welding device for automotive parts provided by this application adopts the following technical solution:

[0008] A laser welding device for automotive parts, comprising:

[0009] A frame;

[0010] A housing, fixedly connected to the frame;

[0011] A lid, rotatably connected to the housing;

[0012] A screw drive mechanism, arranged on the frame;

[0013] A laser welding device, arranged on the screw drive mechanism;

[0014] A connecting rod moving device, arranged on the frame;

[0015] A first clamping and fixing device, arranged on the connecting rod moving device;

[0016] A guide rail moving device, arranged on the housing;

[0017] A second clamping and fixing device, arranged on the guide rail moving device.

[0018] Further, the screw drive mechanism includes a second chute, a first motor and a second slider. The second chute is fixedly connected to the frame, the second chute is slidably connected to the second slider, the first motor is fixedly installed on the second chute, the output shaft of the first motor is fixedly connected to the screw, the screw is threadedly connected to the second slider, an opening is formed on the housing, and the screw drive mechanism is used to start the first motor. The first motor drives the screw to rotate, and the rotation of the screw drives the second slider and the laser welding device to move.

[0019] Further, the laser welding device includes a first push rod motor and a laser welder. The first push rod motor is fixedly installed on the second slider, and the laser welder is fixedly connected to the output shaft of the first push rod motor. The laser welding device is used to start the laser welder to weld automotive parts.

[0020] Further, the connecting rod moving device includes a support plate, a second motor, a first connecting rod and a second connecting rod. The support plate is fixedly connected to the frame, the second motor is fixedly installed on the support plate, the output shaft of the second motor is fixedly connected to the second connecting rod, and the second connecting rod is rotatably connected to the first connecting rod. The connecting rod moving device is used to drive the first clamping and fixing device to move.

[0021] Further, the first clamping and fixing device includes a placement platform, a second clamping block, a bolt, and two fixing blocks. A first sliding groove is formed on the frame. The placement platform is slidably connected to the first sliding groove, and the placement platform is rotatably connected to the first connecting rod. The two fixing blocks are fixedly connected to the placement platform. The second clamping block is rotatably connected to the two fixing blocks. The bolt is threadedly connected to the second clamping block and rotatably connected to the placement platform. The first clamping and fixing device is used for clamping and fixing automotive parts.

[0022] Further, the guide rail moving device includes an electric guide rail, a first slider, and a rotating block. The electric guide rail is fixedly installed on the housing. The electric guide rail is slidably connected to the first slider. A fixing frame is fixedly connected to the first slider. The fixing frame is rotatably connected to the rotating block. A rotating motor is fixedly installed on the fixing frame. The output shaft of the rotating motor is fixedly connected to the rotating block. The guide rail moving device is used to drive the second clamping and fixing device to move.

[0023] Further, the second clamping and fixing device includes two second push rod motors, a round rod, a cylinder, a sliding groove, and two sliding blocks. The two second push rod motors are both fixedly installed on the rotating block. The output shafts of the two second push rod motors are respectively fixedly connected to the round rod and the cylinder. The round rod is slidably connected to the cylinder. The two sliding blocks are respectively fixedly connected to the round rod and the cylinder. The bottoms of the two second push rod motors are fixedly connected to the sliding groove. The two sliding blocks are both slidably connected to the sliding groove. The two sliding blocks are respectively fixedly connected to the two first clamping blocks.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By starting the push rod motor, the push rod motor drives the laser welder to move, and the laser welder moves to weld two automotive parts.

[0026] 2. Through the first clamping and fixing device and the second clamping device, two automotive parts can be clamped and fixed. Then, by starting the rotating motor, the rotating motor drives the rotating block, the clamping device, and the other part of the two automotive parts to rotate, adjust the angle, and form an inclination angle with the other automotive part for welding. Description of the Drawings

[0027] Figure 1 is the schematic diagram of the overall structure in the first embodiment of the present application;

[0028] Figure 2 is the schematic diagram of the internal structure in the first embodiment of the present application;

[0029] Figure 3 is the schematic diagram of the connection structure between the screw drive mechanism and the laser welder in the first embodiment of the present application;

[0030] Figure 4 It is a schematic diagram of the connection structure of the second clamping and fixing device in the first embodiment of the present application;

[0031] Figure 5 It is a schematic diagram of the connection structure of the link moving device and the first clamping and fixing device in the first embodiment of the present application.

[0032] Reference signs: 1, housing; 2, lid; 3, frame; 4, opening; 5, electric guide rail; 6, fixed frame; 7, first chute; 8, first slider; 9, second slider; 10, first motor; 11, second chute; 12, first push rod motor; 13, laser welder; 14, screw; 15, second link; 16, rotating block; 17, rotating motor; 18, second push rod motor; 19, round rod; 20, first clamping block; 21, cylinder; 22, sliding groove; 23, sliding block; 24, second motor; 25, fixed block; 26, support plate; 27, bolt; 28, second clamping block; 29, placement platform; 30, first link. Detailed implementation manners

[0033] First embodiment

[0034] The following further elaborates on the first embodiment in the present application in conjunction with the attached Figures 1 - 5 figures.

[0035] An installation method of a laser welding device for automobile parts is as shown in Figure 1 , and includes:

[0036] Frame 3;

[0037] Housing 1, and the housing 1 is fixedly connected to the frame 3;

[0038] Lid 2, and the lid 2 is rotatably connected to the housing 1;

[0039] Screw drive mechanism, and the screw drive mechanism is arranged on the frame 3;

[0040] Laser welding device, and the laser welding device is arranged on the screw drive mechanism;

[0041] Link moving device, and the link moving device is arranged on the frame 3;

[0042] First clamping and fixing device, and the first clamping and fixing device is arranged on the link moving device;

[0043] Guide rail moving device, and the guide rail moving device is arranged on the housing 1;

[0044] Second clamping and fixing device, and the second clamping and fixing device is arranged on the guide rail moving device.

[0045] As shown in Figures 2 - 5, the screw drive mechanism includes a second chute 11, a first motor 10 and a second slider 9. The second chute 11 is fixedly connected to the frame 3. The second chute 11 is slidably connected to the second slider 9. The first motor 10 is fixedly installed on the second chute 11. The output shaft of the first motor 10 is fixedly connected to a screw 14. The screw 14 is threadedly connected to the second slider 9. An opening 4 is formed in the housing 1. The screw drive mechanism is used to start the first motor 10. The first motor 10 drives the screw 14 to rotate. The rotation of the screw 14 drives the second slider 9 and the laser welding device to move. The laser welding device includes a first push rod motor 12 and a laser welder 13. The first push rod motor 12 is fixedly installed on the second slider 9. The laser welder 13 is fixedly connected to the output shaft of the first push rod motor 12. The laser welding device is used to start the laser welder 13 to weld automotive parts. The connecting rod moving device includes a support plate 26, a second motor 24, a first connecting rod 30 and a second connecting rod 15. The support plate 26 is fixedly connected to the frame 3. The second motor 24 is fixedly installed on the support plate 26. The output shaft of the second motor 24 is fixedly connected to the second connecting rod 15. The second connecting rod 15 is rotatably connected to the first connecting rod 30. The connecting rod moving device is used to drive the first clamping and fixing device to move. The first clamping and fixing device includes a placement platform 29, a second clamping block 28, a bolt 27 and two fixing blocks 25. A first chute 7 is formed in the frame 3. The placement platform 29 is slidably connected to the first chute 7. The placement platform 29 is rotatably connected to the first connecting rod 30. The two fixing blocks 25 are fixedly connected to the placement platform 29. The second clamping block 28 is rotatably connected between the two fixing blocks 25. The bolt 27 is threadedly connected to the second clamping block 28. The bolt 27 is rotatably connected to the placement platform 29. The first clamping and fixing device is used to clamp and fix automotive parts. The guide rail moving device includes an electric guide rail 5, a first slider 8 and a rotating block 16. The electric guide rail 5 is fixedly installed on the housing 1. The electric guide rail 5 is slidably connected to the first slider 8. A fixed frame 6 is fixedly connected to the first slider 8. The fixed frame 6 is rotatably connected to the rotating block 16. A rotating motor 17 is fixedly installed on the fixed frame 6. The output shaft of the rotating motor 17 is fixedly connected to the rotating block 16. The guide rail moving device is used to drive the second clamping and fixing device to move. The second clamping and fixing device includes two second push rod motors 18, a round rod 19, a cylinder 21, a sliding groove 22 and two sliding blocks 23. The two second push rod motors 18 are both fixedly installed on the rotating block 16. The output shafts of the two second push rod motors 18 are respectively fixedly connected to the round rod 19 and the cylinder 21. The round rod 19 is slidably connected to the cylinder 21. The two sliding blocks 23 are respectively fixedly connected to the round rod 19 and the cylinder 21. The bottoms of the two second push rod motors 18 are fixedly connected to the sliding groove 22. The two sliding blocks 23 are both slidably connected to the sliding groove 22. The two sliding blocks 23 are respectively fixedly connected to two first clamping blocks 20.

[0046] The implementation principle of a laser welding device for automotive parts in an embodiment of this application is as follows: During use, two automotive parts are respectively placed on the placement platform 29 and two first clamping blocks 20. Rotate the bolt 27, and the bolt 27 drives the second clamping block 28 to rotate. The rotation of the second clamping block 28 clamps and fixes one of the two automotive parts. Then, start two second push rod motors 18. The two second push rod motors 18 respectively drive the round rods 19 to slide into the inside of the cylinders 21. The round rods 19 and the cylinders 21 respectively drive two sliding blocks 23 to move on the sliding grooves 22. The two sliding blocks 23 respectively drive the two first clamping blocks 20 to move to clamp the other automotive part. Then, start the second motor 24. The second motor 24 drives the second connecting rod 15 to rotate. The rotation of the second connecting rod 15 drives the first connecting rod 30 to rotate. The first connecting rod 30 drives the placement platform 29 to move on the first sliding groove 7. The movement of the placement platform 29 drives the automotive part to move below the other automotive part. Then, start the electric guide rail 5. The electric guide rail 5 drives the first slider 8 to move. The first slider 8 drives the fixed frame 6, the rotating block 16, the second clamping and fixing device, and the automotive part to move. At the same time, start the rotating motor 17. The rotating motor 17 drives the rotating block 16 and the second clamping and fixing device to rotate to adjust the angle of the other automotive part. Then, start the first motor 10. The first motor 10 drives the screw rod 14 to rotate. The rotation of the screw rod 14 drives the second slider 9 and the laser welding device to move on the second sliding groove 11, so that the laser welder 13 is aligned with the positions of the two automotive parts to be welded. Start the first push rod motor 12 to drive the laser welder 13. The first push rod motor 12 drives the laser welder 13 to move to weld the two parts.

[0047] Embodiment 2

[0048] The difference between this embodiment and Embodiment 1 is that an electric fan is fixedly installed on the housing 1. Start the electric fan to perform rapid cooling work on the welding area to improve the welding efficiency.

[0049] The above are all preferred embodiments of this application. The protection scope of this application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A laser welding equipment for automobile parts, characterized in that: include: Rack (3); A housing (1), the housing (1) being fixedly connected to a frame (3); A cover (2), the cover (2) is rotatably connected to the housing (1); A screw transmission mechanism, wherein the screw transmission mechanism is arranged on the frame (3); A laser welding device, wherein the laser welding device is arranged on the screw transmission mechanism; A connecting rod moving device, the connecting rod moving device is arranged on the frame (3); A first clamping and fixing device, the first clamping and fixing device is arranged on the connecting rod moving device; A guide rail moving device, the guide rail moving device is arranged on the housing (1); The second clamping and fixing device is arranged on the guide rail moving device.

2. The laser welding equipment for automobile parts according to claim 1, characterized in that: The screw transmission mechanism comprises a second slide groove (11), a first motor (10) and a second slider (9), wherein the second slide groove (11) is fixedly connected to the frame (3), the second slide groove (11) is slidably connected to the second slider (9), the first motor (10) is fixedly mounted on the second slide groove (11), the output shaft of the first motor (10) is fixedly connected to a screw rod (14), the screw rod (14) is threadedly connected to the second slider (9), an opening (4) is provided on the housing (1), and the screw transmission mechanism is used to start the first motor (10), the first motor (10) drives the screw rod (14) to rotate, and the rotation of the screw rod (14) drives the second slider (9) and the laser welding device to move.

3. The laser welding equipment for automobile parts according to claim 2 is characterized in that: The laser welding device comprises a first push rod motor (12) and a laser welder (13), wherein the first push rod motor (12) is fixedly mounted on a second slider (9), and the laser welder (13) is fixedly connected to an output shaft of the first push rod motor (12). The laser welding device is used to start the laser welder (13) to perform welding work on automobile parts.

4. The laser welding equipment for automobile parts according to claim 3 is characterized in that: The connecting rod moving device comprises a support plate (26), a second motor (24), a first connecting rod (30) and a second connecting rod (15); the support plate (26) is fixedly connected to the frame (3); the second motor (24) is fixedly mounted on the support plate (26); the output shaft of the second motor (24) is fixedly connected to the second connecting rod (15); the second connecting rod (15) is rotatably connected to the first connecting rod (30); and the connecting rod moving device is used to drive the first clamping and fixing device to move.

5. The laser welding equipment for automobile parts according to claim 4 is characterized in that: The first clamping and fixing device comprises a placement platform (29), a second clamping block (28), a bolt (27) and two fixed blocks (25); a first slide groove (7) is provided on the frame (3); the placement platform (29) is slidably connected to the first slide groove (7); the placement platform (29) is rotatably connected to the first connecting rod (30); the two fixed blocks (25) are fixedly connected to the placement platform (29); the second clamping block (28) is rotatably connected to the two fixed blocks (25); the bolt (27) is threadedly connected to the second clamping block (28); the bolt (27) is rotatably connected to the placement platform (29); the first clamping and fixing device is used for clamping and fixing automobile parts.

6. The laser welding equipment for automobile parts according to claim 5, characterized in that: The guide rail moving device comprises an electric guide rail (5), a first slider (8) and a rotating block (16); the electric guide rail (5) is fixedly mounted on a housing (1); the electric guide rail (5) is slidably connected to the first slider (8); a fixed frame (6) is fixedly connected to the first slider (8); the fixed frame (6) is rotatably connected to the rotating block (16); a rotating motor (17) is fixedly mounted on the fixed frame (6); an output shaft of the rotating motor (17) is fixedly connected to the rotating block (16); and the guide rail moving device is used to drive the second clamping device to move.

7. The laser welding equipment for automobile parts according to claim 6, characterized in that: The second clamping and fixing device comprises two second push rod motors (18), a round rod (19), a cylinder (21), a sliding groove (22) and two sliding blocks (23); the two second push rod motors (18) are fixedly mounted on the rotating block (16); the output shafts of the two second push rod motors (18) are respectively fixedly connected to the round rod (19) and the cylinder (21); the round rod (19) is slidably connected to the cylinder (21); the two sliding blocks (23) are respectively fixedly connected to the round rod (19) and the cylinder (21); the bottom of the two second push rod motors (18) is fixedly connected with the sliding groove (22); the two sliding blocks (23) are both slidably connected to the sliding groove (22); and the two sliding blocks (23) are respectively fixedly connected to the two first clamping blocks (20).

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