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Laser welding tool

A laser welding and tooling technology, applied in laser welding equipment, welding equipment, welding equipment and other directions, can solve the problems of unstable lap gap control, difficult welding, etc., to achieve compact structure, reasonable mechanism layout, and meet the welding process and quality. the effect of the request

Pending Publication Date: 2021-06-18
WUHAN FARLEYLASERLAB CUTTING SYST ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a laser welding tool, which aims to solve the technical problems in the prior art that the laser self-fluxing welding of the inner panel of the car door and the reinforcement plate of the door frame is difficult, especially the control of the lap gap is unstable.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0038] This embodiment provides a laser welding tool, such as figure 1 As shown, it includes: tooling base plate 1, positioning pin assembly 2, positioning clamping assembly 3 and welding seam positioning clamping assembly 4; and the positioning pin assembly 2, positioning clamping assembly 3 and welding seam positioning clamping assembly 4 All are connected with the tooling base plate 1;

[0039] Wherein, the positioning pin assembly 2 is used to cooperate with the positioning hole 5 on the workpiece 6, and the positioning clamping assembly 3 is used to clamp the surface of the workpiece 6, and the positioning of the workpiece is completed by the positioning pin assembly 2 and the positioning clamping assembly 3. 6; and the welding seam positioning clamp assembly 4 is used to fix the welding seam of the workpiece 6.

[0040] In this embodiment, there can be multiple positioning pin components 2, positioning clamping components 3 and weld positioning clamping components 4, wh...

Embodiment 2

[0051] The only difference between this embodiment and Embodiment 1 is that, as Figure 3a-3b As shown, the positioning clamp assembly 3 also includes:

[0052] The first clamping positioning block 31 is connected to the lower surface of the other end of the workpiece clamping arm 35;

[0053] The second clamping positioning block 32, which is connected to the upper surface of the workpiece positioning adapter plate 33, and corresponds to the position of the first clamping positioning block 31, the first clamping positioning block 31 and the second clamping positioning block 31 A clamping space for clamping the workpiece 6 is formed between the positioning blocks 32; when the power output shaft of the clamping cylinder 38 drives the rotating arm 39 to rotate, the first clamping positioning block 31, the second clamping The tight positioning block 32 is in contact with the surface of the workpiece 6 to achieve clamping of the workpiece 6; meanwhile, the connection between the ...

Embodiment 3

[0060] The only difference between this embodiment and embodiment 1 or 2 is that, as Figures 5a-5b As shown, in the welding seam positioning and clamping assembly 4, the upper welding seam clamping block 41 is provided with an accommodating cavity 411 for accommodating the welding seam and penetrating up and down, and the upper part of the accommodating cavity 411 has an opening 4111 The aperture is larger than the aperture of the lower opening 4112, and the whole is a trumpet-shaped structure whose outer peripheral surface is inclined relative to the horizontal plane. Preferably, the angle α formed between the outer peripheral surface of the accommodating cavity 411 and the horizontal plane satisfies the condition: 60°≤α≤85° (preferably α is 75°), thus, even if there is a certain deflection angle when the laser is applied to the weld seam, since the upper opening 4111 of the housing cavity 411 has a relatively large aperture and the upper space is relatively open, the laser w...

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Abstract

The invention discloses a laser welding tool. The laser welding tool comprises a tool bottom plate, a positioning pin assembly, a positioning and clamping assembly and a welding seam positioning and clamping assembly, wherein the positioning pin assembly, the positioning and clamping assembly and the welding seam positioning and clamping assembly are all connected with the tool bottom plate, the positioning pin assembly is used for being matched with a positioning hole in a workpiece, the positioning and clamping assembly is used for clamping the surface of the workpiece, the workpiece is clamped and fixed through the positioning pin assembly and the positioning and clamping assembly, and the welding seam positioning and clamping assembly is used for fixing a welding seam of the workpiece. According to the laser welding tool, movement of the welding seam can be avoided by fixing the position of the welding seam, so that the gap at the welding seam is controlled, it is ensured that a laser beam only works at the welding position, and the requirements for the laser self-fusion welding process and quality are met.

Description

technical field [0001] The invention relates to the technical field of laser welding, in particular, the invention relates to a laser welding tool. Background technique [0002] Traditionally, the resistance welding process and resistance welding tooling are mainly used in the welding position of the inner door panel and the door frame reinforcement plate of the body-in-white. After the development of industry and the progress of science and technology, the traditional resistance welding process is gradually replaced by the laser flight welding process. . Among them, the white body refers to the original state of the body that has not been processed and painted. Traditional resistance spot welding compresses the weldment between two electrodes, applies current, and uses the resistance heating effect generated by the current flowing through the contact surface of the workpiece and the adjacent area to heat it to a molten or plastic state, thereby achieving metal bonding and ...

Claims

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Application Information

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IPC IPC(8): B23K26/70B23K37/04B23K26/24
CPCB23K26/702B23K37/0435B23K26/24
Inventor 程明沈义常盛李翔杨舰程玉娇简东陶杰吴苶
Owner WUHAN FARLEYLASERLAB CUTTING SYST ENG
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