Clamp for laser welding

By designing laser welding fixtures, including operating table plate, first clamp, angle adjustment plate, second clamp and moving groove, the problem of poor positioning of existing welding fixtures when welding inclined workpieces is solved, and high-precision and high-efficiency welding effect is achieved.

CN222552499UActive Publication Date: 2025-03-04SHANGHAI GUANHUA STAINLESS STEEL PROD
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Patent Information

Application Number
CN202421254152.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-03-04
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

When existing welding fixtures deal with welding of inclined workpieces, they cannot effectively use the fixtures for positioning, resulting in low welding accuracy and efficiency.

Method used

A laser welding fixture is designed, including components such as operating table plate, first clamp, angle adjustment plate, second clamp and moving groove. Through the cooperation of the angle adjustment plate and the guide rod, the angle adjustment of the first clamp and the second clamp is realized, and clamping welding of workpieces of different sizes is realized through the moving groove.

Benefits of technology

The fixture can effectively adjust the angle of the clamp, adapt to workpiece welding at different angles, improve the accuracy and efficiency of welding, and facilitate clamping and welding workpieces of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of welding clamps, in particular to a clamp for laser welding, which comprises an operation table plate, a first clamping plate is arranged above the operation table plate, angle adjusting plates are mounted on two side sections of the first clamping plate and positioned on the upper surface of the operation table plate, through grooves are formed in the angle adjusting plates, and sliding grooves are formed in the inner sides of the through grooves. A guide rod is installed at the outer side end of the first clamping plate, a roller is arranged on the outer side of the guide rod and located in the sliding groove, a scale pointer is installed on one side of the roller and located on the outer side of the guide rod, and scale marks are arranged on the side surface of the angle adjusting plate. After the limiting and clamping effects of a first positioning bolt and a first screw rod mounting hole are released, a roller on the outer side of a guide rod integrally moves in a sliding groove, and a scale pointer on the outer side of the guide rod corresponds to an angle on a scale line on the outer side of an angle adjusting plate, so that the included angle between a first clamping plate and a second clamping plate can be adjusted; and the workpiece can be conveniently supported and limited.
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Description

Technical Field

[0001] The utility model relates to the field of welding fixtures, in particular to a fixture for laser welding. Background Art

[0002] Laser welding uses high-energy laser pulses 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. It is a new type of welding method, mainly for the welding of thin-walled materials and precision parts. It can realize spot welding, butt welding, lap welding, sealing welding, etc. It has a high aspect ratio, a small weld width, a small heat-affected zone, small deformation, fast welding speed, smooth and beautiful welds, no post-welding treatment or only simple treatment, high weld quality, no gas, and the welding fixtures needed in welding are used to ensure the size of the weldment, improve assembly accuracy and efficiency, and prevent welding deformation.

[0003] However, the welding fixtures currently available on the market cannot be used to perform positioning when welding inclined workpieces. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a fixture for laser welding, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions: a fixture for laser welding comprises an operating table, a first clamping plate is arranged above the operating table, two side sections of the first clamping plate are located on the upper surface of the operating table and angle adjustment plates are installed, a through groove is opened inside the angle adjustment plate, a sliding groove is arranged inside the through groove, a guide rod is installed at the outer end of the first clamping plate, a roller is arranged on the outer side of the guide rod and located inside the sliding groove, a scale pointer is installed on one side of the roller and located outside the guide rod, scale lines are arranged on the side surface of the angle adjustment plate, a first screw mounting hole is opened at the end of the guide rod, and a first positioning bolt is installed inside the first screw mounting hole.

[0006] As a further solution of the utility model: a movable groove is opened on the upper surface of the operating table, a second clamping plate is arranged on one side of the first clamping plate and is located above the operating table, a second screw mounting hole is installed on the lower surface of the second clamping plate and is located inside the movable groove, and a second positioning bolt is installed inside the second screw mounting hole.

[0007] As a further solution of the utility model: the upper surfaces of the first clamping plate and the second clamping plate are both provided with positioning holes in an array, and the lower surface of the operating table is installed with a support rod.

[0008] As a further solution of the utility model: the guide rod is fixedly connected to the first clamping plate, and the roller is slidably connected to the sliding groove.

[0009] As a further solution of the present invention: the positioning socket is connected through the first clamping plate and the second clamping plate.

[0010] As a further solution of the utility model: the second positioning bolt is meshedly connected with the second screw mounting hole, and the second clamping plate is slidably connected with the movable groove through the second screw mounting hole.

[0011] As a further solution of the utility model: the scale pointer is fixedly connected to the guide rod, and the roller is fixedly connected to the guide rod.

[0012] As a further solution of the utility model: the angle adjustment plate is fixedly connected to the operating table.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] After loosening the limiting clamping action of the first positioning bolt and the first screw mounting hole, the roller on the outside of the guide rod is moved as a whole inside the sliding groove, and the scale pointer on the outside of the guide rod is used to adjust the corresponding angle on the scale line on the outside of the angle adjustment plate, so as to achieve the adjustment of the angle between the first clamping plate and the second clamping plate, thereby facilitating the support and limiting of the workpiece.

[0015] The second clamping plate is controlled to be pushed toward the position close to the first clamping plate in the movable groove and then positioned, so that workpieces of different sizes can be clamped and welded conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the fixture for laser welding;

[0017] Figure 2 It is a schematic diagram of the structure of the angle adjustment plate in the laser welding fixture;

[0018] Figure 3 This is an exploded view of the angle adjustment plate in the laser welding fixture;

[0019] Figure 4 This is an exploded view of the second clamping plate in the laser welding fixture;

[0020] Figure 5 A side view of the operating table in the laser welding fixture.

[0021] In the figure: 1, operating table; 2, first clamping plate; 3, angle adjustment plate; 4, second clamping plate; 5, movable slot; 6, support rod; 7, positioning socket; 201, guide rod; 202, scale pointer; 203, first positioning bolt; 204, roller; 205, first screw mounting hole; 301, scale line; 302, through slot; 303, sliding slot; 401, second screw mounting hole; 402, second positioning bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-5 As shown, the present embodiment provides a fixture for laser welding, including an operating table 1, a first clamping plate 2 is arranged above the operating table 1, and angle adjustment plates 3 are installed on the upper surface of the operating table 1 on both side sections of the first clamping plate 2, the angle adjustment plate 3 is fixedly connected to the operating table 1, a through groove 302 is opened inside the angle adjustment plate 3, a sliding groove 303 is arranged inside the through groove 302, a guide rod 201 is installed on the outer end of the first clamping plate 2, the guide rod 201 is fixedly connected to the first clamping plate 2, and the guide rod 201 is fixedly connected to the first clamping plate 2. A roller 204 is arranged inside the sliding groove 303 on the outside, and the roller 204 is slidably connected to the sliding groove 303. A scale pointer 202 is installed on one side of the roller 204 on the outside of the guide rod 201, and the scale pointer 202 is fixedly connected to the guide rod 201. The roller 204 is fixedly connected to the guide rod 201. A scale line 301 is arranged on the side surface of the angle adjustment plate 3, and a first screw mounting hole 205 is opened at the end of the guide rod 201, and a first positioning bolt 203 is installed inside the first screw mounting hole 205.

[0024] like Figure 2-5 As shown, in this embodiment, a movable groove 5 is provided on the upper surface of the operating table 1, and a second clamping plate 4 is provided on one side of the first clamping plate 2 located above the operating table 1, and a second screw mounting hole 401 is installed on the lower surface of the second clamping plate 4 located inside the movable groove 5, and the second clamping plate 4 is slidingly connected to the movable groove 5 through the second screw mounting hole 401, and a second positioning bolt 402 is installed inside the second screw mounting hole 401, and the second positioning bolt 402 is meshingly connected with the second screw mounting hole 401, and positioning holes 7 are provided in an array on the upper surfaces of the first clamping plate 2 and the second clamping plate 4, and the positioning holes 7 are through-connected with the first clamping plate 2 and the second clamping plate 4, and a support rod 6 is installed on the lower surface of the operating table 1.

[0025] The working principle of the utility model is as follows: when two objects need to be welded, the two workpieces are placed on the first clamping plate 2 and the second clamping plate 4 respectively, the edges to be welded are aligned, the positioning clamping plate is installed as a whole inside the positioning socket 7 to limit the workpiece, and after the second positioning bolt 402 and the engagement of the second screw mounting hole 401 are loosened, the second clamping plate 4 is controlled to be pushed as a whole inside the moving groove 5 to a position close to the first clamping plate 2 for positioning, and then the workpieces are welded. When the two workpieces need to be welded at a certain angle, After trying it out, by loosening the limiting clamping action of the first positioning bolt 203 and the first screw mounting hole 205, the roller 204 on the outside of the guide rod 201 is moved as a whole inside the sliding groove 303, and the scale pointer 202 on the outside of the guide rod 201 is used to move the corresponding angle on the scale line 301 on the outside of the angle adjustment plate 3, and then the first positioning bolt 203 is applied with torque, and the first clamping plate 2 is adjusted as a whole to the angle required for welding and fixed, and then the second clamping plate 4 is moved toward the direction of the first clamping plate 2, so that the workpiece can be welded and fixed.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for laser welding, comprising an operating table (1), characterized in that: A first clamping plate (2) is arranged above the operating table (1), and angle adjustment plates (3) are installed on the two side sections of the first clamping plate (2) located on the upper surface of the operating table (1), a through groove (302) is opened inside the angle adjustment plate (3), and a sliding groove (303) is arranged inside the through groove (302), a guide rod (201) is installed on the outer end of the first clamping plate (2), a roller (204) is arranged on the outer side of the guide rod (201) and located inside the sliding groove (303), a scale pointer (202) is installed on one side of the roller (204) located on the outer side of the guide rod (201), and a scale line (301) is arranged on the side surface of the angle adjustment plate (3), a first screw mounting hole (205) is opened at the end of the guide rod (201), and a first positioning bolt (203) is installed inside the first screw mounting hole (205).

2. The laser welding fixture according to claim 1, characterized in that: A movable groove (5) is provided on the upper surface of the operating table (1); a second clamping plate (4) is provided on one side of the first clamping plate (2) and is located above the operating table (1); a second screw mounting hole (401) is installed on the lower surface of the second clamping plate (4) and is located inside the movable groove (5); a second positioning bolt (402) is installed inside the second screw mounting hole (401).

3. The laser welding fixture according to claim 2, characterized in that: Positioning holes (7) are arranged in an array on the upper surfaces of the first clamping plate (2) and the second clamping plate (4), and a support rod (6) is installed on the lower surface of the operating table (1).

4. The laser welding fixture according to claim 1, characterized in that: The guide rod (201) is fixedly connected to the first clamping plate (2), and the roller (204) is slidably connected to the sliding groove (303).

5. The laser welding fixture according to claim 3, characterized in that: The positioning socket (7) is connected to both the first clamping plate (2) and the second clamping plate (4).

6. The laser welding fixture according to claim 2, characterized in that: The second positioning bolt (402) is meshedly connected with the second screw mounting hole (401), and the second clamping plate (4) is slidably connected with the movable groove (5) through the second screw mounting hole (401).

7. The laser welding fixture according to claim 1, characterized in that: The scale pointer (202) is fixedly connected to the guide rod (201), and the roller (204) is fixedly connected to the guide rod (201).

8. The laser welding fixture according to claim 1, characterized in that: The angle adjustment plate (3) is fixedly connected to the operating table (1).