Rotatable laser welding jig and laser welding device

Abstract

The invention relates to the technical field of rotatable laser welding, and discloses a rotatable laser welding jig and a laser welding device.The rotatable laser welding jig comprises a workbench, a main shaft is rotationally connected to the outer wall of the workbench, a three-jaw chuck is fixedly connected to the outer wall of the main shaft, and a rotating block is fixedly connected to the top of the three-jaw chuck; a base is fixedly connected to the outer wall of the workbench, a mechanical arm is rotatably connected to the outer wall of the base, a welding head is fixedly connected to the outer wall of the mechanical arm, a rotating plate is driven to move while a sliding block moves, the rotating plate firstly makes contact with a machined part, meanwhile, the rotating plate rotates, and thrust is applied to a limiting block; when the limiting block moves downwards, the limiting block makes contact with the multiple balls and is limited by the balls, after clamping is completed, the main shaft is started to drive the three-jaw chuck to rotate, the rotating block rotates along with the three-jaw chuck, and when the machined parts in different shapes are welded, the machined parts in different shapes can be effectively clamped.

Description

TECHNICAL FIELD

[0001] The application relates to the field of rotatable laser welding technology, in particular to a rotatable laser welding jig and a laser welding device. BACKGROUND

[0002] Through accurate positioning and controllable rotation of the jig and fixed-angle incidence of the laser head, one-time clamping full-process welding of a multi-angle welding position of a workpiece to be welded is realized, welding precision is improved, complex geometrical shapes are adapted, production processes are optimized, and process stability is enhanced.

[0003] Wherein, when the worker starts the three-claw chuck to clamp the workpiece, due to the uncertainty of the shape of the workpiece, the clamp cannot effectively clamp the special-shaped workpiece, so that the workpiece is easy to deviate during welding, affecting the machining precision, in view of the above problems, the following scheme is proposed. SUMMARY

[0004] To solve the above technical problems, the application provides a rotatable laser welding jig, which comprises a workbench, a main shaft rotatably connected to the outer wall of the workbench, a three-claw chuck fixedly connected to the outer wall of the main shaft, and a rotating block fixedly connected to the top of the three-claw chuck. A horizontal movement mechanism is slidably connected to the inner wall of the rotating block. A limiting mechanism is slidably connected to the inner wall of the horizontal movement mechanism. A brake mechanism is slidably connected to the inner wall of the rotating block.

[0005] Preferably, the horizontal movement mechanism comprises: A force applying assembly is slidably connected to the inner wall of the rotating block. A force receiving assembly is slidably connected to the inner wall of the force applying assembly. Wherein, the worker drives the force applying assembly to shrink inwardly through the three-claw chuck to clamp the workpiece, drives the force receiving assembly to move, and drives the three-claw chuck to rotate when clamping is completed.

[0006] Preferably, the limiting mechanism comprises: A fixing assembly is slidably connected to the inner wall of the force applying assembly. A force removing assembly is fixedly connected to the inner wall of the rotating block. Wherein, when the force applying assembly stops moving, the fixing assembly limits the force applying assembly.

[0007] Preferably, the brake mechanism comprises: A contraction assembly is slidably connected to the inner wall of the rotating block. The contact component is rotatably connected to the outer wall of the force-applying component; In this process, the contact component rotates synchronously while the force-applying component moves.

[0008] Preferably, the force-applying component includes a lifting plate slidably connected to the inner wall of the rotating block, three sliding blocks slidably connected to the outer wall of the lifting plate, a fixing rod fixedly connected to the outer wall of the three-grip chuck, a contact block slidably connected to the inner wall of the sliding block, and a fixing column fixedly connected to the outer wall of the contact block. The three-grip chuck moves the fixed rod inward, and the sliding block moves synchronously. When the clamping is complete, the main shaft is started to rotate the three-grip chuck. The sliding block is slidably connected to the outer wall of the rotating block, and the fixed rod is slidably connected to the outer wall of the rotating block.

[0009] Preferably, the force-bearing component includes a rotating plate rotatably connected to the outer wall of the sliding block, a limiting block slidably connected to the outer wall of the sliding block, a spring fixedly connected to the outer wall of the limiting block, and a plurality of spheres fixedly connected to the inner wall of the rotating block. The initial state of spring one is free. While the limiting block moves down, it comes into contact with several spheres and is limited by the spheres. The bottom end of spring one is fixedly connected to the outer wall of the sliding block.

[0010] Preferably, the fixing component includes a movable block slidably connected to the inner wall of the sliding block, a limit rod slidably connected to the outer wall of the movable block, and a metal spring sheet fixedly connected to the outer wall of the movable block; When the sliding block stops, the contact block is forced to move towards the end closer to the limit rod, and the end of the metal spring away from the contact block is fixedly connected to the sliding block. The metal spring is normally in a free state.

[0011] Preferably, the force release assembly includes a fixed rod fixedly connected to the outer wall of the rotating block, a rotating plate rotatably connected to the outer wall of the fixed rod, and a torsion spring sleeved on the outer wall of the fixed rod. The end of the fixed column away from the contact block contacts the surface of the rotating plate, and the bottom of the rotating plate contacts the bottom of the limiting rod after the fixed column moves a certain distance.

[0012] Preferably, the shrinking assembly includes a telescopic rod fixedly connected to the outer wall of the rotating block, a spring 2 fixedly connected to the inner wall of the telescopic rod, a control rod fixedly connected to the outer wall of the sliding block, three triangular ring blocks slidably connected to the inner wall of the rotating block, and a plurality of metal spring pieces 1 fixedly connected to the outer wall of the triangular ring blocks. When the weight of the workpiece exceeds a certain value, the second spring is compressed, and the triangular ring block moves inward through the elastic force of several metal spring sheets. The first metal spring sheet is in a compressed state, and the end of the first metal spring sheet away from the triangular ring block is fixedly connected to the inner wall of the rotating block. The contact assembly includes a fixed shaft fixedly connected to the outer wall of the sliding block, a torsion spring sleeved on the outer wall of the fixed shaft, and two contact blocks rotatably connected to the outer wall of the fixed shaft. As the lifting plate moves downward, the contact block rotates at the outer wall of the fixed shaft. The torsion spring is normally in a compressed state, and its two ends are fixedly connected to the outer wall of the sliding block. At the same time, the torsion spring acts on the inner wall of the contact block.

[0013] A laser welding device includes a base, a robotic arm, and a welding head; The outer wall of the base is fixedly connected to the outer wall of the workbench, the outer wall of the robotic arm is rotatably connected to the outer wall of the base, and the outer wall of the welding head is fixedly connected to the outer wall of the robotic arm. In this process, the workers use a three-grip chuck to move the sliding block inward to clamp the workpiece. Once clamping is complete, the spindle is started to rotate the three-grip chuck, and at the same time, the robotic arm is started to drive the welding head to perform laser welding on the workpiece.

[0014] The present invention has the following beneficial effects: (1) The present invention addresses the problem that when welding workpieces of different shapes, it is impossible to achieve precise and effective fixation during rotation. While the fixed rod moves, the sliding block moves synchronously. When the sliding block contacts the outer wall of the workpiece, the fixed rod slides over the contact block and moves. While the sliding block moves, it drives the rotating plate to move. The rotating plate first contacts the workpiece and rotates, applying a pushing force to the limiting block. While the limiting block moves down, it contacts several spheres and is restricted by the spheres. When the clamping is completed, the spindle is started to drive the three-jaw chuck to rotate, and the rotating block follows the rotation. Through the above components, it is possible to effectively clamp workpieces of different shapes when welding them.

[0015] (2) The present invention utilizes the characteristics of the sliding block movement to drive the moving block to move synchronously while the sliding block moves. When the sliding block stops, the contact block is forced to move towards the end close to the limiting rod. At this time, the moving block drives the limiting rod to slide on the inner wall of the sliding block. The metal spring is squeezed and accumulates potential energy. When the limiting rod moves a certain distance, it loses the restriction of the sliding block, moves downward and contacts several balls to complete the restriction. The above components effectively provide a limiting force. Under the push of the fixed rod, the limiting block may move upward due to the elastic force of the spring, causing the rotating plate to rotate, thereby driving the sliding block to move and losing the clamping force on the workpiece.

[0016] (3) This invention utilizes the characteristic of the lifting plate moving downward. When the weight of the workpiece is greater than a certain value, the lifting plate moves downward under force. During the downward movement, pressure is applied to the telescopic rod and it is compressed. At the same time, the spring is compressed. While the sliding block moves, the control rod moves synchronously. While the control rod moves, it loses its restriction on the triangular ring block. At this time, the triangular ring block moves inward through the elastic force of several metal spring sheets. The metal spring sheets are in a squeezed state. At this time, when the lifting plate moves downward, the triangular ring block completes the restriction on the lifting plate. The above components alleviate the problem of the platform being able to descend when facing a heavy workpiece, reducing the vibration amplitude caused by the large weight of the workpiece during welding. When facing a light workpiece, the stability requirements for clamping and positioning are lower. After the platform is raised, the movement path of the robotic arm or welding torch is shorter, the action is more flexible, and the position adjustment can be responded to more quickly.

[0017] (4) The present invention utilizes the characteristic of the lifting plate moving downward. While the lifting plate moves downward, it loses the restriction on the contact block. Under the elastic force of the torsion spring, the contact block rotates at the outer wall of the fixed shaft. The torsion spring is normally in a compressed state. While the contact block rotates, it continuously contacts the outer wall of the workpiece. The above components can effectively increase the contact area with the workpiece, making the clamping tighter. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 This is a schematic cross-sectional view of the transverse movement mechanism of the present invention; Figure 4 This is a schematic diagram of some parts in the force-bearing component of the present invention; Figure 5 This is a schematic cross-sectional view of the fixing component of the present invention; Figure 6 This is a schematic cross-sectional view of the stress-relief component of the present invention; Figure 7 This is a schematic cross-sectional view of the braking mechanism of the present invention; Figure 8 This is a schematic cross-sectional view of the contact component of the present invention.

[0020] The attached diagram lists the components represented by each number as follows: In the diagram: 1. Transverse mechanism; 11. Force application component; 12. Force receiving component; 13. Worktable; 14. Spindle; 15. Three-jaw chuck; 16. Rotating block; 23. Base; 24. Robotic arm; 25. Welding head; 111. Lifting plate; 112. Sliding block; 113. Fixed rod; 114. Contact block; 115. Fixed column; 121. Rotating plate; 122. Limiting block; 123. Spring 1; 124. Ball; 2. Limiting mechanism; 21 1. Fixed component; 22. Force release component; 211. Moving block; 212. Limiting rod; 213. Metal spring; 221. Fixed rod one; 222. Rotating plate one; 223. Torsion spring; 3. Braking mechanism; 31. Retraction component; 32. Contact component; 311. Telescopic rod; 312. Spring two; 313. Control rod; 314. Triangular ring block; 315. Metal spring one; 321. Fixed shaft; 322. Torsion spring one; 323. Contact block. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Example 1, please refer to Figures 1-7 The present invention is a rotatable laser welding fixture, including a worktable 13, a spindle 14 rotatably connected to the outer wall of the worktable 13, a three-jaw chuck 15 fixedly connected to the outer wall of the spindle 14, and a rotating block 16 fixedly connected to the top of the three-jaw chuck 15, and further comprising: The transverse movement mechanism 1 is slidably connected to the inner wall of the rotating block 16; Limiting mechanism 2 is slidably connected to the inner wall of transverse mechanism 1; Braking mechanism 3 is slidably connected to the inner wall of rotating block 16.

[0023] The transverse movement mechanism 1 includes: Force application component 11 is slidably connected to the inner wall of rotating block 16; Force-receiving component 12 is slidably connected to the inner wall of force-applying component 11; In this process, the operator uses the three-grip chuck 15 to drive the force application component 11 to retract inward and clamp the workpiece. As the force application component 11 moves, it also drives the force receiving component 12 to move. When the clamping is complete, the spindle 14 is started to drive the three-grip chuck 15 to rotate, and the rotating block 16 follows the rotation.

[0024] Limiting mechanism 2 includes: The fixing component 21 is slidably connected to the inner wall of the force-applying component 11; The stress-relieving component 22 is fixedly connected to the inner wall of the rotating block 16; When the force-applying component 11 moves, it drives the fixing component 21 to move synchronously. When the force-applying component 11 stops after moving, the fixing component 21 comes into contact with the force-releasing component 22, and at the same time, the fixing component 21 completes the restriction of the force-applying component 11.

[0025] Braking mechanism 3 includes: Shrink assembly 31 is slidably connected to the inner wall of rotating block 16; Contact component 32 is rotatably connected to the outer wall of force application component 11; In this process, as the force-applying component 11 moves, the contraction component 31 moves accordingly, and the contact component 32 rotates synchronously.

[0026] Example 2, please refer to Figures 3-8 The present invention is a rotatable laser welding fixture. Based on Example 1, the force application component 11 includes a lifting plate 111 slidably connected to the inner wall of the rotating block 16, three sliding blocks 112 slidably connected to the outer wall of the lifting plate 111, a fixing rod 113 fixedly connected to the outer wall of the three-grip chuck 15, a contact block 114 slidably connected to the inner wall of the sliding block 112, and a fixing column 115 fixedly connected to the outer wall of the contact block 114. When the worker places the workpiece on the surface of the lifting plate 111, if the weight of the workpiece is greater than a certain value, the lifting plate 111 will move downwards under the weight. The three-grip chuck 15 will drive the fixed rod 113 to move inwards. As the fixed rod 113 moves, it will contact the contact block 114 and push the contact block 114 to move. The sliding block 112 will move synchronously with the contact block 114. When the sliding block 112 contacts the outer wall of the workpiece, the sliding block 112 will stop moving. The fixed rod 113 will apply a pushing force to the contact block 114 and push the fixed column 115. At this time, the fixed rod 113 will slide past the contact block 114 to move. When the clamping is completed, the spindle 14 will be started to drive the three-grip chuck 15 to rotate. The rotating block 16 will rotate accordingly. The sliding block 112 will be slidably connected to the outer wall of the rotating block 16, and the fixed rod 113 will be slidably connected to the outer wall of the rotating block 16.

[0027] The force-bearing component 12 includes a rotating plate 121 rotatably connected to the outer wall of the sliding block 112, a limiting block 122 slidably connected to the outer wall of the sliding block 112, a spring 123 fixedly connected to the outer wall of the limiting block 122, and a plurality of balls 124 fixedly connected to the inner wall of the rotating block 16. As the sliding block 112 moves, it drives the rotating plate 121 to move. When the rotating plate 121 contacts the workpiece, it rotates. At the same time, the bottom of the rotating plate 121 contacts the surface of the limiting block 122 and applies a pushing force to the limiting block 122. The limiting block 122 moves downward under the force, applying pressure to the spring 123 and compressing it. The initial state of the spring 123 is free. At the same time as the limiting block 122 moves downward, it contacts several balls 124 and is limited by the balls 124. The bottom end of the spring 123 is fixedly connected to the outer wall of the sliding block 112.

[0028] The fixing component 21 includes a movable block 211 slidably connected to the inner wall of the sliding block 112, a limit rod 212 slidably connected to the outer wall of the movable block 211, and a metal spring piece 213 fixedly connected to the outer wall of the movable block 211. In this process, the sliding block 112 moves while simultaneously driving the moving block 211 to move synchronously. The limiting rod 212 and the metal spring 213 move synchronously. When the sliding block 112 stops, the contact block 114 is forced to move towards the end closer to the limiting rod 212. At this time, the moving block 211 drives the limiting rod 212 to slide on the inner wall of the sliding block 112. The metal spring 213 is compressed and accumulates potential energy. When the limiting rod 212 moves a certain distance, it loses the restriction of the sliding block 112, moves downward and contacts several balls 124 to complete the restriction. The end of the metal spring 213 away from the contact block 114 is fixedly connected to the sliding block 112. The metal spring 213 is in a free state under normal conditions.

[0029] The force release assembly 22 includes a fixed rod 221 fixedly connected to the outer wall of the rotating block 16, a rotating plate 222 rotatably connected to the outer wall of the fixed rod 221, and a torsion spring 223 sleeved on the outer wall of the fixed rod 221. The fixed post 115 has one end away from the contact block 114 in contact with the surface of the rotating plate 222. When the fixed post 115 moves a certain distance, it pushes the rotating plate 222 to rotate at the outer wall of the fixed rod 221. At the same time, it applies pressure to the torsion spring 223. While the rotating plate 222 is rotating, the bottom of the rotating plate 222 contacts the bottom of the limiting rod 212 and applies a thrust to the limiting rod 212, pushing the limiting rod 212 to move upward at the outer wall of the moving block 211.

[0030] The retraction assembly 31 includes a telescopic rod 311 fixedly connected to the outer wall of the rotating block 16, a spring 312 fixedly connected to the inner wall of the telescopic rod 311, a control rod 313 fixedly connected to the outer wall of the sliding block 112, three triangular ring blocks 314 slidably connected to the inner wall of the rotating block 16, and a plurality of metal spring pieces 315 fixedly connected to the outer wall of the triangular ring blocks 314. When the weight of the workpiece exceeds a certain value, the lifting plate 111 is forced to move downward. During the downward movement, it applies pressure to the telescopic rod 311 and compresses it. At the same time, the spring 312 is compressed. As the sliding block 112 moves, it drives the control rod 313 to move synchronously. As the control rod 313 moves, it loses its restriction on the triangular ring block 314. At this time, the triangular ring block 314 moves inward through the elastic force of several metal spring sheets 315. The metal spring sheets 315 are in a squeezed state. When the lifting plate 111 has finished moving downward, the triangular ring block 314 completes the restriction on the lifting plate 111. The end of the metal spring sheet 315 away from the triangular ring block 314 is fixedly connected to the inner wall of the rotating block 16. Contact component 32 includes a fixed shaft 321 fixedly connected to the outer wall of sliding block 112, a torsion spring 322 sleeved on the outer wall of fixed shaft 321, and two contact blocks 323 rotatably connected to the outer wall of fixed shaft 321. As the lifting plate 111 moves downward, it loses its restriction on the contact block 323. Under the elastic force of the torsion spring 322, the contact block 323 rotates on the outer wall of the fixed shaft 321. The torsion spring 322 is normally in a compressed state. The two ends of the torsion spring 322 are fixedly connected to the outer wall of the sliding block 112. At the same time, the torsion spring 322 acts on the inner wall of the contact block 323.

[0031] A laser welding device includes a base 23, a robotic arm 24, and a welding head 25; The outer wall of the base 23 is fixedly connected to the outer wall of the worktable 13, the outer wall of the robotic arm 24 is rotatably connected to the outer wall of the base 23, and the outer wall of the welding head 25 is fixedly connected to the outer wall of the robotic arm 24. In this process, the worker uses the three-grip chuck 15 to drive the sliding block 112 to retract inward and clamp the workpiece. Once clamping is complete, the spindle 14 is started to drive the three-grip chuck 15 to rotate, and at the same time, the robotic arm 24 is started to drive the welding head 25 to perform laser welding on the workpiece.

[0032] One specific application of this embodiment is as follows: the operator starts the three-grip chuck to clamp the workpiece. After clamping is completed, the spindle is started to drive the three-grip chuck to rotate, and at the same time the robotic arm is started to drive the welding head to perform laser welding on the workpiece.

[0033] To address the challenge of achieving precise and effective fixation during the rotation of workpieces of varying shapes during welding, the lifting plate 111 is designed to address this issue. When the workpiece is placed on the surface of the lifting plate 111, if its weight exceeds a certain threshold, the lifting plate 111 shifts downwards under the weight. This movement is caused by the three-jaw chuck 15, which moves the fixing rod 113 inwards. Simultaneously, the fixing rod 113 contacts and pushes the contact block 114, causing the sliding block 112 to move synchronously. When the sliding block 112 contacts the outer wall of the workpiece, it stops moving. The fixing rod 113 then applies a pushing force to the contact block 114 and pushes the fixing post 115. At this point, the fixing rod 113 slides past the contact block 114, moving in tandem with the sliding block 112. The rotating plate 121 moves and first contacts the workpiece. At the same time, the rotating plate 121 rotates. During the rotation, the bottom of the rotating plate 121 contacts the surface of the limiting block 122 and applies a pushing force to the limiting block 122. The limiting block 122 moves downward under the force, applying pressure to the spring 123 and compressing it. While the limiting block 122 moves downward, it contacts several balls 124 and is restricted by the balls 124. When the clamping is completed, the main spindle 14 is started to drive the three-jaw chuck 15 to rotate, and the rotating block 16 rotates accordingly. Through the above components, the workpieces of different shapes can be effectively clamped when welding them, preventing them from shifting during rotation, which would affect the joint quality and processing accuracy.

[0034] Utilizing the characteristics of the sliding block 112's movement, the moving block 211 moves synchronously while the sliding block 112 moves. The limiting rod 212 and the metal spring 213 move synchronously. When the sliding block 112 stops, the contact block 114 is forced to move towards the end closer to the limiting rod 212. At this time, the moving block 211 causes the limiting rod 212 to slide against the inner wall of the sliding block 112. The metal spring 213 is compressed and accumulates potential energy. When the limiting rod 212 moves a certain distance, it loses the restriction of the sliding block 112, moves downward, and contacts several balls 124 to complete the restriction. The above components effectively provide... A limiting force, under the loss of the thrust of the fixing rod 113, the limiting block 122 may move upward due to the elastic force of the spring 123, causing the rotating plate 121 to rotate, thereby driving the sliding block 112 to move and losing the clamping force on the workpiece. When the fixing column 115 moves a certain distance, it pushes the rotating plate 222 to rotate at the outer wall of the fixing rod 221, and at the same time applies pressure to the torsion spring 223. While the rotating plate 222 rotates, the bottom of the rotating plate 222 contacts the bottom of the limiting rod 212 and applies a thrust to the limiting rod 212, pushing the limiting rod 212 to move upward at the outer wall of the moving block 211.

[0035] Utilizing the downward movement of the lifting plate 111, when the weight of the workpiece exceeds a certain value, the lifting plate 111 is forced to move downward. During the downward movement, pressure is applied to and the telescopic rod 311 is compressed. At the same time, the spring 312 is compressed. As the sliding block 112 moves, the control rod 313 moves synchronously. As the control rod 313 moves, it loses its restriction on the triangular ring block 314. At this time, the triangular ring block 314 moves inward through the elastic force of several metal springs 315. The metal springs 315 are in a compressed state. When the downward movement of the lifting plate 111 is completed, the triangular ring block 314 completes the restriction on the lifting plate 111. The above components alleviate the problem of the platform being able to descend when facing heavier workpieces, reducing the vibration amplitude caused by the large weight of the workpiece during welding. When facing lightweight workpieces, the stability requirements for clamping and positioning are lower. After the platform is raised, the movement path of the robotic arm or welding torch is shorter, the movement is more flexible, and the position adjustment can be responded to more quickly.

[0036] Taking advantage of the downward movement of the lifting plate 111, the lifting plate 111 loses its restriction on the contact block 323 as it moves downward. Under the elastic force of the torsion spring 322, the contact block 323 rotates on the outer wall of the fixed shaft 321. The torsion spring 322 is normally in a compressed state. As the contact block 323 rotates, it continuously contacts the outer wall of the workpiece. The above components can effectively increase the contact area with the workpiece, making the clamping tighter.

[0037] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rotatable laser welding fixture, comprising a worktable (13), a spindle (14), a three-grip chuck (15), and a rotating block (16). The outer wall of the main shaft (14) is rotatably connected to the outer wall of the worktable (13), the outer wall of the three-jaw chuck (15) is fixedly connected to the outer wall of the main shaft (14), and the outer wall of the rotating block (16) is fixedly connected to the top of the three-jaw chuck (15). The characteristic of this design is that... Also includes: Lateral movement mechanism (1), limiting mechanism (2), braking mechanism (3); The outer wall of the transverse mechanism (1) is slidably connected to the inner wall of the rotating block (16); The outer wall of the limiting mechanism (2) is slidably connected to the inner wall of the transverse mechanism (1); The outer wall of the braking mechanism (3) is slidably connected to the inner wall of the rotating block (16); The lateral movement mechanism (1) includes: a force application component (11), a force receiving component (12), a lifting plate (111), a sliding block (112), a rotating plate (121), and a limiting block (122); The outer wall of the force-applying component (11) is slidably connected to the inner wall of the rotating block (16); The outer wall of the force-receiving component (12) is slidably connected to the inner wall of the force-applying component (11); The outer wall of the lifting plate (111) is slidably connected to the inner wall of the rotating block (16); The outer walls of the three sliding blocks (112) are slidably connected to the outer wall of the lifting plate (111); The outer wall of the rotating plate (121) is rotatably connected to the outer wall of the sliding block (112); The outer wall of the limiting block (122) is slidably connected to the outer wall of the sliding block (112); The limiting mechanism (2) includes: a fixing component (21), a force release component (22), a moving block (211), and a fixing rod (221); The outer wall of the fixing component (21) is slidably connected to the inner wall of the force-applying component (11); The outer wall of the stress-relieving component (22) is fixedly connected to the inner wall of the rotating block (16); The outer wall of the movable block (211) is slidably connected to the inner wall of the sliding block (112); The outer wall of the fixed rod (221) is fixedly connected to the outer wall of the rotating block (16); The braking mechanism (3) includes: a retraction component (31), a contact component (32), a telescopic rod (311), a second spring (312), and a fixed shaft (321). The outer wall of the shrinking component (31) is slidably connected to the inner wall of the rotating block (16); The outer wall of the contact component (32) is rotatably connected to the outer wall of the force application component (11); The outer wall of the telescopic rod (311) is fixedly connected to the outer wall of the rotating block (16); The outer wall of the second spring (312) is fixedly connected to the inner wall of the telescopic rod (311); The outer wall of the fixed shaft (321) is fixedly connected to the outer wall of the sliding block (112).

2. The rotatable laser welding fixture according to claim 1, characterized in that: The force application component (11) also includes a fixing rod (113), a contact block (114), and a fixing column (115). The outer wall of the fixed rod (113) is fixedly connected to the outer wall of the three-grip chuck (15), the outer wall of the contact block (114) is slidably connected to the inner wall of the sliding block (112), and the outer wall of the fixed column (115) is fixedly connected to the outer wall of the contact block (114).

3. A rotatable laser welding fixture according to claim 2, characterized in that: The force-bearing component (12) also includes a spring (123) and a ball (124). The outer wall of the spring (123) is fixedly connected to the outer wall of the limiting block (122), and the outer walls of the plurality of spheres (124) are fixedly connected to the inner wall of the rotating block (16).

4. A rotatable laser welding fixture according to claim 3, characterized in that: The fixing component (21) also includes a limiting rod (212) and a metal spring (213). The outer wall of the limiting rod (212) is slidably connected to the outer wall of the moving block (211), and the outer wall of the metal spring (213) is fixedly connected to the outer wall of the moving block (211).

5. A rotatable laser welding fixture according to claim 4, characterized in that: The force release assembly (22) also includes a rotating plate (222) and a torsion spring (223); The outer wall of the rotating plate (222) is rotatably connected to the outer wall of the fixed rod (221), and the outer wall of the torsion spring (223) is sleeved on the outer wall of the fixed rod (221).

6. A rotatable laser welding fixture according to claim 2, characterized in that: The retraction assembly (31) also includes a control rod (313), a triangular ring block (314), and a metal spring sheet (315). The outer wall of the control rod (313) is fixedly connected to the outer wall of the sliding block (112), the outer wall of the triangular ring block (314) is slidably connected to the inner wall of the rotating block (16), and the outer wall of the metal spring sheet (315) is fixedly connected to the outer wall of the triangular ring block (314).

7. A rotatable laser welding fixture according to claim 4, characterized in that: The contact assembly (32) also includes a torsion spring (322) and two contact blocks (323); The outer wall of the torsion spring (322) is sleeved on the outer wall of the fixed shaft (321), and the outer walls of the two contact blocks (323) are rotatably connected to the outer wall of the fixed shaft (321).

8. A rotatable laser welding fixture according to claim 2, characterized in that: The three-grip chuck (15) is made of high-strength alloy steel, and the sliding block (112) is made of alloy steel.

9. A rotatable laser welding fixture according to claim 7, characterized in that: The metal spring (213) is made of copper alloy, and the torsion spring (322) is made of carbon spring steel.

10. A laser welding apparatus, comprising a base (23), a robotic arm (24), and a welding head (25), characterized in that, Also includes: The outer wall of the base (23) is fixedly connected to the outer wall of the workbench (13), the outer wall of the robotic arm (24) is rotatably connected to the outer wall of the base (23), and the outer wall of the welding head (25) is fixedly connected to the outer wall of the robotic arm (24). The robotic arm (24) is made of carbon fiber composite material.

Images