Automatic welding seam butt joint device for laser welding

Abstract

The invention relates to the technical field of weld joint butt joint, in particular to an automatic weld joint butt joint device for laser welding, which comprises a first base, an extension ring is arranged at the bottom of the first base, and a screw rod is arranged in the extension ring; a moving ring is arranged at the end of the first clamping plate, a limiting ring is arranged at the end of the moving ring, a storage groove is formed in the other side of the first clamping plate, a telescopic groove is formed in the first clamping plate, a telescopic rod is inserted into the telescopic groove, and a rotating rod is arranged at the other end of the telescopic rod; the second clamping plate is arranged at the end part of the rotating rod; the clamping device has the beneficial effects that a first clamping plate moves along with a moving ring, limiting rings are arranged on the two sides of the moving ring, so that the moving ring is kept in a through groove, a second stepping air cylinder pushes again, a telescopic rod is retracted into a telescopic groove, a second clamping plate moves into a storage groove, and a workpiece is clamped through the first clamping plate.

Description

Technical Field

[0001] The present invention relates to the technical field of weld butt joint, and specifically relates to an automatic weld butt joint device for laser welding. Background Art

[0002] Laser welding is a welding method that uses a focused laser beam as the energy to bombard the heat generated by the welded part. Due to the optical properties of laser such as refraction and focusing, laser welding is very suitable for welding of micro parts and parts with very poor accessibility.

[0003] In the prior art, the patent number is CN221019144U, and the name is a laser welding machine. It includes: a machine body, on which a control module is provided; a laser welding device, including a laser generating device provided on the machine body and a welding torch assembly connected to the laser generating device. A switch electrically connected to the laser generating device and the control module is provided on the welding torch assembly. The welding torch assembly includes a welding head and a nozzle provided with a material passage for threading a wire. And, the axis of the discharge port of the nozzle intersects with the optical axis of the welding head; at least one set of feeding devices, including a material releasing wheel provided in the machine body and a wire feeding device electrically connected to the control module. The wire feeding device is used to transfer the wire on the material releasing wheel to the material passage.

[0004] However, in the existing laser welding, when fixing the workpiece, it is necessary to pre-determine the position of the workpiece and then fix it, resulting in the need to re-fix the fixed workpiece when it is not completely aligned. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic weld butt joint device for laser welding to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: an automatic weld butt joint device for laser welding, including:

[0007] A first base, an extension ring is provided at the bottom of the first base, and a lead screw is provided inside the extension ring;

[0008] A first clamping plate, a moving ring is provided at the end of the first clamping plate, a limiting ring is provided at the end of the moving ring, a receiving groove is provided on the other side of the first clamping plate, a telescopic groove is opened inside the first clamping plate, a telescopic rod is inserted into the telescopic groove, and a rotating rod is provided at the other end of the telescopic rod; and a second clamping plate, provided at the end of the rotating rod.

[0009] Preferably, a second base is provided at the end of the first base. A workpiece is placed on the surface of the first base. An extension ring is fixed to the bottom of the first base. The lead screw can rotate inside the extension ring. A first stepping cylinder is fixed to the bottom of the first base. The piston rod at the end of the first stepping cylinder is connected to a U-shaped rod. The U-shaped rod is located at the bottom of the first base. Both ends of the U-shaped rod are connected to second stepping cylinders.

[0010] Preferably, the piston rod at the end of the second stepping cylinder is inserted into the inside of the moving ring. The piston rod at the end of the second stepping cylinder can move inside the moving ring. A through groove and a lifting groove are formed on the surface of the first base. The moving ring is inserted into the through groove. The moving ring can move in the through groove. And limiting rings are fixed to both ends of the moving ring. The diameter of the limiting ring is larger than that of the moving ring. The limiting rings are located on both sides of the through groove.

[0011] Preferably, the end of the piston rod at the end of the second stepping cylinder is connected to a first clamping plate. The second stepping cylinder can drive the first clamping plate to move. A lifting rod is fixed to the surface of the first clamping plate. The lifting rod is inserted into the lifting groove. The lifting rod can move in the lifting groove.

[0012] Preferably, a telescopic groove is formed inside the first clamping plate. A limiting groove is formed inside the telescopic groove. A telescopic rod is inserted into the telescopic groove. The telescopic rod can move in the telescopic groove. A spring is arranged inside the telescopic groove. One end of the spring is connected to the inner wall of the telescopic groove, and the other end is connected to the end of the telescopic rod.

[0013] Preferably, multiple groups of rubber strips are fixed to the surface of the telescopic rod. The rubber strips move along with the telescopic rod. After the rubber strips move into the telescopic groove, they are stuck at the position between the telescopic groove and the telescopic rod.

[0014] Preferably, a limiting block is fixed to the end of the telescopic rod. There are multiple groups of limiting blocks. The limiting blocks are stuck in the limiting grooves. The limiting blocks move along with the telescopic rod. The limiting blocks can move in the limiting grooves.

[0015] Preferably, a rotating rod is inserted into the end of the telescopic rod. The rotating rod can rotate inside the telescopic rod. A limiting ring is arranged at the end of the rotating rod. A limiting groove is arranged inside the telescopic rod. The limiting ring is located in the limiting groove.

[0016] Preferably, a second clamping plate is fixed to the end of the rotating rod. The second clamping plate moves along with the rotating rod. A receiving groove is formed on the surface of the first clamping plate. After the second clamping plate moves along with the telescopic rod, it is located in the receiving groove.

[0017] Preferably, the end of the lead screw is connected to a driving device. The driving device drives the lead screw to rotate. A limiting block is fixed to the end of the lead screw. The limiting block rotates along with the lead screw. The diameter of the limiting block is larger than that of the lead screw.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] In the present invention, the workpiece is placed on the surfaces of the first base and the second base. The first clamping plate is pushed by the second stepping cylinder, so that the two groups of first clamping plates approach each other, and the second clamping plate abuts against the surface of the workpiece. Since a spring is provided at the end of the telescopic rod, the workpiece is pre-clamped by the spring, and the rotating rod can rotate inside the telescopic rod to adjust the angle of the workpiece. The U-shaped rod is driven by the first stepping cylinder to lift, the U-shaped rod drives the second stepping cylinder to lift, the moving ring moves along with the second stepping cylinder, the moving ring can move in the through groove, and the lifting rod can move in the lifting groove. The first clamping plate moves along with the moving ring. Limiting rings are arranged on both sides of the moving ring to keep the moving ring in the through groove. By the further pushing of the second stepping cylinder, the telescopic rod is retracted into the telescopic groove, and the second clamping plate moves into the storage groove, and the workpiece is clamped by the first clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0021] Figure 2 It is a structural schematic diagram of another perspective of the present invention.

[0022] Figure 3 It is a bottom view structural schematic diagram of the first base of the present invention.

[0023] Figure 4 is Figure 1 an enlarged structural schematic diagram of part A in

[0024] Figure 5 It is a sectional structural schematic diagram of the first clamping plate of the present invention.

[0025] Figure 6 is Figure 5 an enlarged structural schematic diagram of part B in

[0026] In the figure: the first base 1, the second base 2, the limiting block 3, the U-shaped rod 4, the first stepping cylinder 5, the extension ring 6, the lead screw 7, the through groove 8, the moving ring 9, the limiting ring 10, the lifting groove 11, the lifting rod 12, the first clamping plate 13, the storage groove 14, the second clamping plate 15, the telescopic rod 16, the rotating rod 17, the telescopic groove 18, the limiting groove 19, the rubber strip 20, the limiting block 21, the spring 22, the second stepping cylinder 23. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] In order to clearly and completely describe the objectives and technical solutions of the present invention, and make the advantages more clearly understood, the following further elaborates on the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0028] Please refer to Figures 1 to 6 , the present invention provides a technical solution:

[0029] Embodiment 1: An automatic butt-joint device for laser welding seams, comprising: a first base 1, with an extension ring 6 provided at the bottom of the first base 1, and a lead screw 7 provided inside the extension ring 6; a first clamping plate 13, with a moving ring 9 provided at the end of the first clamping plate 13, a limiting ring 10 provided at the end of the moving ring 9, a receiving groove 14 provided on the other side of the first clamping plate 13, a telescopic groove 18 opened inside the first clamping plate 13, a telescopic rod 16 inserted inside the telescopic groove 18, and a rotating rod 17 provided at the other end of the telescopic rod 16; and a second clamping plate 15, provided at the end of the rotating rod 17, with the second clamping plate 15 pressing against the surface of the workpiece. Since a spring 22 is provided at the end of the telescopic rod 16, the workpiece is pre-clamped by the spring 22, and the rotating rod 17 can rotate inside the telescopic rod 16 to adjust the angle of the workpiece.

[0030] Embodiment 2: On the basis of Embodiment 1, a second base 2 is provided at the end of the first base 1. A workpiece is placed on the surface of the first base 1. An extension ring 6 is fixed at the bottom of the first base 1, and the lead screw 7 can rotate inside the extension ring 6. A first stepping cylinder 5 is fixed at the bottom of the first base 1. The piston rod at the end of the first stepping cylinder 5 is connected to a U-shaped rod 4. The U-shaped rod 4 is located at the bottom of the first base 1. Both ends of the U-shaped rod 4 are connected to a second stepping cylinder 23. The end of the lead screw 7 is connected to a driving device, and the driving device drives the lead screw 7 to rotate. A limiting block 3 is fixed at the end of the lead screw 7, and the limiting block 3 rotates with the lead screw 7. The diameter of the limiting block 3 is larger than the diameter of the lead screw 7.

[0031] The piston rod at the end of the second stepping cylinder 23 is inserted inside the moving ring 9, and the piston rod at the end of the second stepping cylinder 23 can move inside the moving ring 9. A through groove 8 and a lifting groove 11 are opened on the surface of the first base 1. The moving ring 9 is inserted into the through groove 8, and the moving ring 9 can move in the through groove 8. Both ends of the moving ring 9 are fixed with limiting rings 10. The diameter of the limiting rings 10 is larger than the diameter of the moving ring 9, and the limiting rings 10 are located on both sides of the through groove 8.

[0032] The end of the piston rod at the end of the second stepping cylinder 23 is connected to the first clamping plate 13. The second stepping cylinder 23 can drive the first clamping plate 13 to move. A lifting rod 12 is fixed on the surface of the first clamping plate 13. The lifting rod 12 is inserted into the lifting groove 11 and can move in the lifting groove 11. A telescopic groove 18 is opened inside the first clamping plate 13. A limiting groove 19 is opened inside the telescopic groove 18. A telescopic rod 16 is inserted into the telescopic groove 18 and can move in the telescopic groove 18. A spring 22 is arranged inside the telescopic groove 18. One end of the spring 22 is connected to the inner wall of the telescopic groove 18, and the other end is connected to the end of the telescopic rod 16. Multiple groups of rubber strips 20 are fixed on the surface of the telescopic rod 16. The rubber strips 20 move along with the telescopic rod 16. After the rubber strips 20 move into the telescopic groove 18, they are stuck at the position between the telescopic groove 18 and the telescopic rod 16. A limiting block 21 is fixed at the end of the telescopic rod 16. There are multiple groups of limiting blocks 21. The limiting blocks 21 are stuck in the limiting groove 19 and move along with the telescopic rod 16. The limiting blocks 21 can move in the limiting groove 19. A rotating rod 17 is inserted into the end of the telescopic rod 16 and can rotate inside the telescopic rod 16. A limiting ring is arranged at the end of the rotating rod 17. A limiting groove is arranged inside the telescopic rod 16. The limiting ring is located in the limiting groove. A second clamping plate 15 is fixed at the end of the rotating rod 17. The second clamping plate 15 moves along with the rotating rod 17. A storage groove 14 is opened on the surface of the first clamping plate 13. After the second clamping plate 15 moves along with the telescopic rod 16, it is located in the storage groove 14. Through the further push of the second stepping cylinder 23, the telescopic rod 16 is retracted into the telescopic groove 18, and the second clamping plate 15 moves into the storage groove 14. The workpiece is clamped by the first clamping plate 13.

[0033] Place the workpiece on the surfaces of the first base 1 and the second base 2. Push the first clamping plate 13 through the second stepping cylinder 23, so that the two first clamping plates 13 approach each other, and the second clamping plate 15 abuts against the surface of the workpiece. Since a spring 22 is arranged at the end of the telescopic rod 16, the workpiece is pre-clamped by the spring 22, and the rotating rod 17 can rotate inside the telescopic rod 16 to adjust the angle of the workpiece. Drive the U-shaped rod 4 to lift through the first stepping cylinder 5. The U-shaped rod 4 drives the second stepping cylinder 23 to lift. The moving ring 9 moves along with the second stepping cylinder 23. The moving ring 9 can move in the through groove 8, and the lifting rod 12 can move in the lifting groove 11. The first clamping plate 13 moves along with the moving ring 9. Limiting rings 10 are arranged on both sides of the moving ring 9, so that the moving ring 9 is kept in the through groove 8. Through the further push of the second stepping cylinder 23, the telescopic rod 16 is retracted into the telescopic groove 18, and the second clamping plate 15 moves into the storage groove 14. The workpiece is clamped by the first clamping plate 13.

[0034] Although the above-described illustrative specific embodiments of the present application have been described to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all inventions created using the concept of the present application are within the scope of protection.

Claims

1. An automatic weld joint device for laser welding, characterized in that: include: A first base (1), wherein an extension ring (6) is provided at the bottom of the first base (1), and a screw rod (7) is provided inside the extension ring (6); A first clamping plate (13), a movable ring (9) is arranged at the end of the first clamping plate (13), a limit ring (10) is arranged at the end of the movable ring (9), a receiving groove (14) is arranged on the other side of the first clamping plate (13), a telescopic groove (18) is opened inside the first clamping plate (13), a telescopic rod (16) is inserted inside the telescopic groove (18), and a rotating rod (17) is arranged at the other end of the telescopic rod (16); and a second clamping plate (15), which is arranged at the end of the rotating rod (17).

2. The automatic weld joint device for laser welding according to claim 1, characterized in that: A second base (2) is arranged at the end of the first base (1), a workpiece is placed on the surface of the first base (1), an extension ring (6) is fixed at the bottom of the first base (1), a screw rod (7) is rotatable inside the extension ring (6), a first stepping cylinder (5) is fixed at the bottom of the first base (1), a piston rod at the end of the first stepping cylinder (5) is connected to a U-shaped rod (4), the U-shaped rod (4) is located at the bottom of the first base (1), and both ends of the U-shaped rod (4) are connected to the second stepping cylinder (23).

3. The automatic weld joint device for laser welding according to claim 2, characterized in that: The piston rod at the end of the second stepping cylinder (23) is inserted into the interior of the moving ring (9), and the piston rod at the end of the second stepping cylinder (23) can move inside the moving ring (9). A through groove (8) and a lifting groove (11) are provided on the surface of the first base (1). The moving ring (9) is inserted into the through groove (8), and the moving ring (9) can move in the through groove (8). Limiting rings (10) are fixed at both ends of the moving ring (9), and the diameter of the limiting ring (10) is larger than the diameter of the moving ring (9). The limiting rings (10) are located on both sides of the through groove (8).

4. The automatic weld joint device for laser welding according to claim 3, characterized in that: The end of the piston rod at the end of the second stepping cylinder (23) is connected to the first clamping plate (13), and the second stepping cylinder (23) can drive the first clamping plate (13) to move. A lifting rod (12) is fixed on the surface of the first clamping plate (13), and the lifting rod (12) is inserted into the lifting groove (11), and the lifting rod (12) can move in the lifting groove (11).

5. The automatic weld joint device for laser welding according to claim 4, characterized in that: A telescopic groove (18) is provided inside the first clamping plate (13), a limiting groove (19) is provided inside the telescopic groove (18), a telescopic rod (16) is inserted into the telescopic groove (18), and the telescopic rod (16) can move in the telescopic groove (18), and a spring (22) is provided inside the telescopic groove (18), one end of the spring (22) is connected to the inner wall of the telescopic groove (18), and the other end is connected to the end of the telescopic rod (16).

6. The automatic weld joint device for laser welding according to claim 5, characterized in that: A plurality of groups of rubber strips (20) are fixed on the surface of the telescopic rod (16). The rubber strips (20) move along with the telescopic rod (16). After the rubber strips (20) move into the telescopic groove (18), they are stuck in a position between the telescopic groove (18) and the telescopic rod (16).

7. The automatic weld joint device for laser welding according to claim 6, characterized in that: A limiting block (21) is fixed at the end of the telescopic rod (16), and a plurality of limiting blocks (21) are provided. The limiting blocks (21) are stuck in the limiting groove (19), and the limiting blocks (21) move along with the telescopic rod (16), and the limiting blocks (21) can move in the limiting groove (19).

8. The automatic weld joint device for laser welding according to claim 7, characterized in that: A rotating rod (17) is inserted at the end of the telescopic rod (16), and the rotating rod (17) can rotate inside the telescopic rod (16). A limiting ring is arranged at the end of the rotating rod (17), and a limiting groove is arranged inside the telescopic rod (16), and the limiting ring is located in the limiting groove.

9. The automatic weld joint device for laser welding according to claim 8, characterized in that: A receiving groove (14) is provided on the surface of the first clamping plate (13), and the second clamping plate (15) is located in the receiving groove (14) after moving with the telescopic rod (16).

10. The automatic weld joint device for laser welding according to claim 9, characterized in that At: The end of the screw rod (7) is connected to a driving device, and the driving device drives the screw rod (7) to rotate. A limit block (3) is fixed at the end of the screw rod (7), and the limit block (3) rotates along with the screw rod (7). The diameter of the limiting block (3) is greater than the diameter of the screw rod (7).

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