Laser welding machine

Abstract

The utility model relates to the technical field of laser welding machines, in particular to a laser welding machine which can flexibly adjust the angle of two plates and carry out laser welding on the two plates which are horizontally placed and have an angle, and the limitation is smaller. Comprising a rack, an upper beam frame and a laser welding head, the upper beam frame is installed on the rack, and the laser welding head is installed on the upper beam frame; the first suction cup and the second suction cup are oppositely arranged, a gap is formed between the first suction cup and the second suction cup, the outer ends of the first suction cup and the second suction cup are hinged through the hinge, a hinge shaft of the hinge is located between the first suction cup and the second suction cup, and the first connecting arm is arranged at the inner end of the first suction cup; a second connecting arm is arranged at the inner end of the second suction cup, the second connecting arm is rotationally connected with the rotating shaft, the rotating shaft is rotationally installed on a driving assembly, and the driving assembly drives the first connecting arm and the second connecting arm to synchronously and relatively rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding machines, in particular to a laser welding machine. Background Art

[0002] The laser welding machine uses a laser welding head to emit a high-energy-density laser beam as a heat source to weld the product to be welded. A variety of laser welding machines have been proposed in the prior art, such as a laser welding machine proposed in the Chinese utility model patent with publication number CN220050422U. The welding machine is provided with a telescopic rod 1, a translation telescopic rod and a telescopic rod 2, so that the workpiece can be moved relative to the laser welding machine body, the laser welding machine body can be moved relative to the workpiece, and the laser welding machine body and the workpiece can be moved at the same time, so that the laser welding machine can adjust the welding method according to different welding conditions, thereby improving the adaptability and work efficiency of the laser welding machine; through the provision of the telescopic rod 1, the translation telescopic rod and the telescopic rod 2, the workpiece can be moved relative to the laser welding machine body, the laser welding machine body can be moved relative to the workpiece, and the laser welding machine body and the workpiece can be moved at the same time, so that the laser welding machine can adjust the welding method according to different welding conditions, thereby improving the adaptability and work efficiency of the laser welding machine.

[0003] However, the above-mentioned laser welding machine can only weld flat plates, and cannot weld two plates at an angle. It is also inconvenient to adjust the angle between the two plates, which has great limitations. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a laser welding machine which can flexibly adjust the angle of two plates and perform laser welding on two plates that are laid flat or at an angle, and has fewer limitations.

[0005] The utility model discloses a laser welding machine, comprising a frame, an upper beam frame and a laser welding head, wherein the upper beam frame is mounted on the frame, and the laser welding head is mounted on the upper beam frame; the utility model also comprises a suction cup 1, a suction cup 2, a hinge, a connecting arm 1, a rotating shaft and a connecting arm 2, wherein the suction cup 1 and the suction cup 2 are arranged opposite to each other, a gap is arranged between the suction cup 1 and the suction cup 2, the outer ends of the suction cup 1 and the suction cup 2 are hingedly connected by a hinge, the hinge shaft of the hinge is located in the middle of the suction cup 1 and the suction cup 2, a connecting arm 1 is arranged at the inner end of the suction cup 1, a rotating shaft is arranged on the connecting arm 1, the rotating shaft is concentric with the hinge shaft of the hinge, a connecting arm 2 is arranged at the inner end of the suction cup 2, the connecting arm 2 is rotatably connected with the rotating shaft, and the rotating shaft The rotation is installed on the driving component, and the driving component drives the connecting arm 1 and the connecting arm 2 to rotate synchronously relative to each other; when working, the two plates are placed and adsorbed on the suction cup 1 and the suction cup 2 respectively, and the driving component is operated to rotate the connecting arm 1 and the rotating shaft, and the connecting arm 2 rotates around the rotating shaft, so that the suction cup 1 and the suction cup 2 rotate relative to each other. When the angle of the two plates is adjusted to the right position, the driving component stops, and the laser welding head runs to automatically weld the butt joints of the two plates, thereby realizing flexible adjustment of the angle of the two plates, so that the present application can perform laser welding on two flat plates and two plates with an angle, with fewer limitations.

[0006] Preferably, the driving assembly includes a mounting plate, gear one, gear two, motor one, gear three, gear four and gear five, the rotating shaft is rotatably mounted on the mounting plate, the gear is concentrically mounted on the rotating shaft, the gear two is mounted on the connecting arm two, the gear two is concentrically arranged with the rotating shaft, the motor one is mounted on the mounting plate, the output shaft of the motor one is concentrically mounted with gear three, the gear four and the gear five are both rotatably mounted on the mounting plate, the gear three is meshed with the gear one and the gear three is meshed with the gear four, the gear four is meshed with the gear five, and the gear five is meshed with the gear two; the motor one drives the gear three to rotate forward, the gear three is meshed to drive the gear one to rotate reversely, the gear one drives the rotating shaft and the connecting arm one to rotate reversely, and at the same time the gear three is meshed to drive the gear four to rotate forwardly, the gear four is meshed to drive the gear five to rotate reversely, the gear five is meshed to drive the gear two to rotate forwardly, and the gear two drives the connecting arm two to rotate forwardly, so that the connecting arm one and the suction cup one, the connecting arm two and the suction cup two rotate relative to each other, thereby adjusting the angle between the suction cup one and the suction cup two, which has good practicality.

[0007] Preferably, it also includes a lifting frame and a second motor, the upper end of the lifting frame is connected to the upper beam frame, the mounting plate is rotatably mounted on the lower end of the lifting frame, the rotating shaft of the mounting plate is concentric with the rotating shaft, the second motor is mounted on the lifting frame, and the output shaft of the second motor is connected to the mounting plate; the second motor drives the mounting plate to rotate on the lower end of the lifting frame, so that the mounting plate drives the first suction cup and the second suction cup to flip through the driving assembly, so that the laser welding head can weld the seams on both sides of the two plates, which has good practicality.

[0008] Preferably, it also includes a slide and a lifting assembly, the slide groove 2 is installed on the upper beam frame, the upper end of the lifting frame is slidably connected to the slide, the fixed end of the lifting assembly is installed on the slide, and the piston rod of the lifting assembly is connected to the lower end of the lifting frame; the piston rod of the lifting assembly contracts and drives the lifting frame to rise along the slide, so that the lifting frame drives the mounting plate, suction cup 1 and suction cup 2 to rise, and the piston rod of the lifting assembly extends and drives the lifting frame to lower along the slide, so that the lifting frame drives the mounting plate, suction cup 1 and suction cup 2 to lower, thereby adjusting the height of the two plates and adjusting the distance between the two plates and the laser welding head, which has good practicality.

[0009] Preferably, it also includes a slide rail, a screw rod and a motor three, the slide rail is installed on the upper beam frame, the slide table is slidably installed on the slide rail, the screw rod is rotatably installed on the upper beam frame, the screw rod and the slide table are connected by a screw rod nut, the motor three is installed on the upper beam frame, and the output shaft of the motor three is connected by the screw rod; the motor three drives the screw rod to rotate, and the screw rod drives the slide table to move along the screw rod through the screw rod nut, thereby driving the two plates to move back and forth, which is convenient for automatic welding.

[0010] Preferably, it also includes two bearing frames, two optical axes, two bearing platforms and two lifting components two, the two bearing frames are arranged opposite to each other, the two bearing frames are connected by two optical axes, the two optical axes are arranged in parallel, the two bearing platforms are slidably installed on the two optical axes, the fixed ends of the two lifting components two are respectively installed on the two bearing frames, and the upper ends of the piston rods of the two lifting components two are connected to the frame; the two plates for welding are respectively placed on the two bearing platforms, and the positions of the two bearing platforms on the two optical axes are adjusted so that the two plates are respectively aligned with the suction cup one and the suction cup two, and the piston rods of the two lifting components two are contracted to drive the two bearing frames to rise, and the two bearing frames drive the two bearing platforms and the two plates to rise through the two optical axes, so as to facilitate automatic loading to the flipped suction cup one and the suction cup two, thereby improving the degree of automation and work efficiency.

[0011] Preferably, it also includes multiple slide grooves 1, multiple slide grooves 2 and multiple limit columns. Multiple slide grooves 1 are longitudinally arranged on the two bearing platforms, multiple slide grooves 2 are transversely arranged on the two bearing platforms, and limit columns are installed in the multiple slide grooves 1 and the multiple slide grooves 2; according to the size and relative angle of the plate, the positions of the multiple limit columns are adjusted along the multiple slide grooves 1 and the multiple slide grooves 2, so that the multiple limit columns can position and limit the plate, thereby improving the loading accuracy.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when working, the two plates are placed and adsorbed on suction cup one and suction cup two respectively, the driving assembly is operated to rotate the connecting arm one and the rotating shaft, the connecting arm two rotates around the rotating shaft, so that the suction cup one and the suction cup two rotate relative to each other, when the angle of the two plates is adjusted to the right position, the driving assembly stops, and the laser welding head operates to automatically weld the butt joints of the two plates, thereby realizing flexible adjustment of the angle of the two plates, so that the present application can perform laser welding on two flat plates and two plates with an angle, with fewer limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of suction cup 1, suction cup 2, hinge and driving assembly;

[0015] Figure 3 It is a structural schematic diagram of structures including a suction cup 1, a suction cup 2, a hinge, a rotating shaft, a connecting arm 2 and a mounting plate;

[0016] Figure 4 It is a structural schematic diagram of the disassembled state of the suction cup 1, the suction cup 2 and the hinge;

[0017] Figure 5 It is a schematic diagram of the structure of the drive assembly, lifting frame and motor;

[0018] Figure 6 It is a structural diagram of the upper beam frame, laser welding head, lifting frame, motor 2, slide table, slide rail, screw rod and motor 3;

[0019] Figure 7 It is a structural diagram of the second structure of the bearing frame, optical axis, bearing platform and lifting assembly.

[0020] Markings in the attached drawings: 1. frame; 2. upper beam frame; 3. laser welding head; 4. suction cup 1; 5. suction cup 2; 6. hinge; 7. connecting arm 1; 8. rotating shaft; 9. connecting arm 2; 10. mounting plate; 11. gear 1; 12. gear 2; 13. motor 1; 14. gear 3; 15. gear 4; 16. gear 5; 17. lifting frame; 18. motor 2; 19. slide; 20. lifting assembly; 21. slide rail; 22. screw; 23. motor 3; 24. load-bearing frame; 25. optical axis; 26. load-bearing platform; 27. lifting assembly 2; 28. slide trough 1; 29. ​​slide trough 2; 30. limit column. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figures 1 to 5 As shown, a laser welding machine comprises a frame 1, an upper beam frame 2 and a laser welding head 3, wherein the upper beam frame 2 is mounted on the frame 1, and the laser welding head 3 is mounted on the upper beam frame 2; it also comprises a suction cup 1 4, a suction cup 2 5, a hinge 6, a connecting arm 1 7, a rotating shaft 8 and a connecting arm 2 9, wherein the suction cup 1 4 and the suction cup 2 5 are arranged opposite to each other, a gap is arranged between the suction cup 1 4 and the suction cup 2 5, the outer ends of the suction cup 1 4 and the suction cup 2 5 are hinged by a hinge 6, the hinge axis of the hinge 6 is located between the suction cup 1 4 and the suction cup 2 5, a connecting arm 1 7 is arranged at the inner end of the suction cup 1 4, a rotating shaft 8 is arranged on the connecting arm 1 7, the rotating shaft 8 is concentric with the hinge axis of the hinge 6, a connecting arm 2 9 is arranged at the inner end of the suction cup 2 5, the connecting arm 2 9 is rotatably connected with the rotating shaft 8, and the rotating shaft 8 is rotatably mounted on the driving assembly, The driving assembly drives the connecting arm 1 7 and the connecting arm 2 9 to rotate synchronously relative to each other; the driving assembly includes a mounting plate 10, a gear 1 11, a gear 2 12, a motor 13, a gear 3 14, a gear 4 15 and a gear 5 16, the rotating shaft 8 is rotatably mounted on the mounting plate 10, the gear 1 11 is concentrically mounted on the rotating shaft 8, the gear 2 12 is mounted on the connecting arm 2 9, the gear 2 12 is concentrically arranged with the rotating shaft 8, the motor 13 is mounted on the mounting plate 10, the output shaft of the motor 13 is concentrically mounted with the gear 3 14, the gear 4 15 and the gear 5 16 are both rotatably mounted on the mounting plate 10, the gear 3 14 is meshed with the gear 1 11 and the gear 3 14 is meshed with the gear 4 15, the gear 4 15 is meshed with the gear 5 16, and the gear 5 16 is meshed with the gear 2 12.

[0024] During operation, the two plates are placed and adsorbed on the suction cup 1 4 and the suction cup 2 5 respectively, the motor 13 drives the gear 3 14 to rotate forward, the gear 3 14 engages to drive the gear 11 to rotate reversely, the gear 11 drives the rotating shaft 8 and the connecting arm 1 7 to rotate reversely, and at the same time, the gear 3 14 engages to drive the gear 4 15 to rotate forward, the gear 4 15 engages to drive the gear 5 16 to rotate reversely, the gear 5 16 engages to drive the gear 2 12 to rotate forward, and the gear 2 12 drives the connecting arm 2 9 to rotate forward, so that the connecting arm 1 7 and the suction cup 1 4, the connecting arm 2 9 and the suction cup 2 5 rotate relative to each other, so as to adjust the angle between the suction cup 1 4 and the suction cup 2 5, when the angle of the two plates is adjusted in place, the motor 13 stops, and the laser welding head 3 runs to automatically weld the butt joints of the two plates, so as to realize the flexible adjustment of the angle of the two plates, so that the present application can perform laser welding on two flat plates and two plates with an angle.

[0025] Example 2

[0026] like Figure 5 and Figure 6 As shown, on the basis of embodiment 1, it also includes a lifting frame 17 and a second motor 18, the upper end of the lifting frame 17 is connected to the upper beam frame 2, the mounting plate 10 is rotatably mounted on the lower end of the lifting frame 17, the rotating shaft of the mounting plate 10 is concentric with the rotating shaft 8, the second motor 18 is mounted on the lifting frame 17, and the output shaft of the second motor 18 is connected to the mounting plate 10; it also includes a slide 19 and a lifting assembly 20, the second slide 29 is mounted on the upper beam frame 2, and the upper end of the lifting frame 17 is slidably connected to the slide 19 Then, the fixed end of the lifting component 20 is installed on the slide 19, and the piston rod of the lifting component 20 is connected to the lower end of the lifting frame 17; it also includes a slide rail 21, a screw rod 22 and a motor three 23, the slide rail 21 is installed on the upper beam frame 2, the slide 19 is slidably installed on the slide rail 21, the screw rod 22 is rotatably installed on the upper beam frame 2, the screw rod 22 is connected to the slide 19 through a screw nut, the motor three 23 is installed on the upper beam frame 2, and the output shaft of the motor three 23 is connected to the screw rod 22.

[0027] Motor 2 18 drives the mounting plate 10 to rotate on the lower end of the lifting frame 17, so that the mounting plate 10 drives the suction cup 1 4 and the suction cup 2 5 to flip through the driving assembly, so that the laser welding head 3 can weld the seams on both sides of the two plates. The piston rod of the lifting assembly 20 contracts and drives the lifting frame 17 to rise along the slide 19, so that the lifting frame 17 drives the mounting plate 10, the suction cup 1 4 and the suction cup 2 5 to rise. The piston rod of the lifting assembly 20 extends and drives the lifting frame 17 to lower along the slide 19, so that the lifting frame 17 drives the mounting plate 10, the suction cup 1 4 and the suction cup 2 5 to lower, thereby adjusting the height of the two plates and adjusting the distance between the two plates and the laser welding head 3. Motor 3 23 drives the screw rod 22 to rotate, and the screw rod 22 drives the slide 19 to move along the screw rod 22 through the screw nut, thereby driving the two plates to move back and forth, facilitating automatic welding.

[0028] Example 3

[0029] like Figure 1 and Figure 7As shown, on the basis of Example 1, it also includes two supporting frames 24, two optical axes 25, two supporting platforms 26 and two lifting components 27, the two supporting frames 24 are arranged opposite to each other, the two supporting frames 24 are connected by two optical axes 25, the two optical axes 25 are arranged in parallel, the two supporting platforms 26 are slidably installed on the two optical axes 25, the fixed ends of the two lifting components 27 are respectively installed on the two supporting frames 24, and the upper ends of the piston rods of the two lifting components 27 are connected to the frame 1; it also includes multiple slide grooves 1 28, multiple slide grooves 29 and multiple limit columns 30, multiple slide grooves 1 28 are longitudinally arranged on the two supporting platforms 26, multiple slide grooves 29 are transversely arranged on the two supporting platforms 26, and limit columns 30 are installed in the multiple slide grooves 1 28 and the multiple slide grooves 29.

[0030] According to the size specifications and relative angles of the plates, the positions of the multiple limit columns 30 are adjusted along the multiple slide grooves 1 28 and the multiple slide grooves 29, and the positions of the two supporting platforms 26 on the two optical axes 25 are adjusted so that the two plates are aligned with the suction cup 1 4 and the suction cup 2 5 respectively. The two plates for welding are placed on the two supporting platforms 26 respectively, so that the multiple limit columns 30 can position and limit the plates. The piston rods of the two lifting components 27 shrink and drive the two supporting frames 24 to rise. The two supporting frames 24 drive the two supporting platforms 26 and the two plates to rise through the two optical axes 25, so as to facilitate automatic loading of materials to the flipped suction cup 1 4 and the suction cup 2 5, thereby improving the degree of automation and work efficiency.

[0031] like Figures 1 to 7 As shown, a laser welding machine of the utility model, when working, firstly, two plates for welding are placed on two bearing platforms 26 respectively, and the positions of the two bearing platforms 26 on the two optical axes 25 are adjusted so that the two plates are aligned with the suction cup 1 4 and the suction cup 2 5 respectively, then the piston rods of the two lifting components 27 are contracted to drive the two bearing frames 24 to rise, and the two bearing frames 24 drive the two bearing platforms 26 and the two plates to rise through the two optical axes 25, and the suction cup 1 4 and the suction cup 2 5 adsorb the two plates respectively, and then the motor 2 18 is operated to make the suction cup 1 4 and the suction cup 2 5 drive the two plates to turn upward, the motor 13 is operated to make the connecting arm 1 7 and the rotating shaft 8 rotate, and the connecting arm 2 9 rotates around the rotating shaft 8, so that the suction cup 1 4 and the suction cup 2 5 rotate relative to each other, when the angles of the two plates are in place, the motor 13 stops, the lifting component 20 and the motor 3 23 are operated to make the two plates rise and fall and move back and forth, and the laser welding head 3 is operated to automatically weld the butt joints of the two plates, and finally the welding is completed, and the suction cup 1 4 and the suction cup 2 5 release the two plates for unloading.

[0032] The main functions achieved by this utility model are:

[0033] 1. The angles of two plates can be flexibly adjusted, and laser welding of two plates placed flat or at an angle can be performed with fewer limitations;

[0034] 2. Automatically load materials to improve work efficiency;

[0035] 3. Ability to flip the plate and perform double-sided welding;

[0036] 4. It can drive the plate to move horizontally and lift up and down for automatic welding.

[0037] A laser welding machine of the utility model, its installation method, connection method or setting method are all common mechanical methods, as long as it can achieve its beneficial effects, it can be implemented; a laser welding machine of the utility model, a frame 1, an upper beam frame 2, a laser welding head 3, a suction cup 1 4, a suction cup 2 5, a hinge 6, a rotating shaft 8, a gear 1 11, a gear 2 12, a motor 1 13, a gear 3 14, a gear 4 15, a gear 5 16, a motor 2 18, a lifting component 20, a slide rail 21, a screw rod 22, a motor 3 23, an optical axis 25, a bearing platform 26, and a lifting component 2 27 are purchased on the market, and technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0038] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A laser welding machine, comprising a frame (1), an upper beam frame (2) and a laser welding head (3), wherein the upper beam frame (2) is mounted on the frame (1), and the laser welding head (3) is mounted on the upper beam frame (2); characterized in that: The invention also comprises a suction cup 1 (4), a suction cup 2 (5), a hinge (6), a connecting arm 1 (7), a rotating shaft (8) and a connecting arm 2 (9). The suction cup 1 (4) and the suction cup 2 (5) are arranged opposite to each other, a gap is arranged between the suction cup 1 (4) and the suction cup 2 (5), the outer ends of the suction cup 1 (4) and the suction cup 2 (5) are hinged by the hinge (6), the hinge shaft of the hinge (6) is located between the suction cup 1 (4) and the suction cup 2 (5), the connecting arm 1 (7) is arranged at the inner end of the suction cup 1 (4), the rotating shaft (8) is arranged on the connecting arm 1 (7), the rotating shaft (8) is concentric with the hinge shaft of the hinge (6), the connecting arm 2 (9) is arranged at the inner end of the suction cup 2 (5), the connecting arm 2 (9) is rotatably connected with the rotating shaft (8), the rotating shaft (8) is rotatably mounted on a driving assembly, and the driving assembly drives the connecting arm 1 (7) and the connecting arm 2 (9) to rotate synchronously relative to each other.

2. A laser welding machine as claimed in claim 1, characterized in that: The driving assembly comprises a mounting plate (10), a gear 1 (11), a gear 2 (12), a motor 1 (13), a gear 3 (14), a gear 4 (15) and a gear 5 (16); a rotating shaft (8) is rotatably mounted on the mounting plate (10); the gear 1 (11) is concentrically mounted on the rotating shaft (8); the gear 2 (12) is mounted on a connecting arm 2 (9); the gear 2 (12) is concentrically arranged with the rotating shaft (8); the motor 1 (13) is mounted on the mounting plate (10); the output shaft of the motor 1 (13) is concentrically mounted with the gear 3 (14); the gear 4 (15) and the gear 5 (16) are both rotatably mounted on the mounting plate (10); the gear 3 (14) is meshed with the gear 1 (11); the gear 3 (14) is meshed with the gear 4 (15); the gear 4 (15) is meshed with the gear 5 (16); and the gear 5 (16) is meshed with the gear 2 (12).

3. A laser welding machine as claimed in claim 2, characterized in that: The invention also comprises a lifting frame (17) and a second motor (18), wherein the upper end of the lifting frame (17) is connected to the upper beam frame (2), the mounting plate (10) is rotatably mounted on the lower end of the lifting frame (17), the rotating shaft of the mounting plate (10) is concentric with the rotating shaft (8), the second motor (18) is mounted on the lifting frame (17), and the output shaft of the second motor (18) is connected to the mounting plate (10).

4. A laser welding machine as claimed in claim 3, characterized in that: It also includes a slide (19) and a lifting assembly (20), wherein the second slide groove (29) is installed on the upper beam frame (2), the upper end of the lifting frame (17) is slidably connected to the slide (19), the fixed end of the lifting assembly (20) is installed on the slide (19), and the piston rod of the lifting assembly (20) is connected to the lower end of the lifting frame (17).

5. A laser welding machine as claimed in claim 4, characterized in that: The invention also comprises a slide rail (21), a screw rod (22) and a motor three (23), wherein the slide rail (21) is mounted on the upper beam frame (2), the slide table (19) is slidably mounted on the slide rail (21), the screw rod (22) is rotatably mounted on the upper beam frame (2), the screw rod (22) and the slide table (19) are connected in transmission via a screw rod nut, the motor three (23) is mounted on the upper beam frame (2), and the output shaft of the motor three (23) is connected in transmission with the screw rod (22).

6. A laser welding machine as claimed in claim 1, characterized in that: It also comprises two bearing frames (24), two optical axes (25), two bearing platforms (26) and two lifting assemblies (27); the two bearing frames (24) are arranged opposite to each other, the two bearing frames (24) are connected by two optical axes (25), the two optical axes (25) are arranged in parallel, the two bearing platforms (26) are slidably mounted on the two optical axes (25), the fixed ends of the two lifting assemblies (27) are respectively mounted on the two bearing frames (24), and the upper ends of the piston rods of the two lifting assemblies (27) are connected to the frame (1).

7. A laser welding machine as claimed in claim 6, characterized in that: It also includes a plurality of slide grooves one (28), a plurality of slide grooves two (29) and a plurality of limit columns (30). The two bearing platforms (26) are longitudinally provided with a plurality of slide grooves one (28), the two bearing platforms (26) are transversely provided with a plurality of slide grooves two (29), and the limit columns (30) are installed in the plurality of slide grooves one (28) and the plurality of slide grooves two (29).

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