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Method for repairing bent part of metal plate and welding device

A repair method and welding device technology, which is applied in the field of sheet metal repair, can solve the problems that small metal sheets cannot be welded to large metal sheets, and cannot be repaired well, so as to achieve a simple and efficient repair process

Active Publication Date: 2020-08-21
WUXI XINQISHENG ELECTRICAL APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these sheet metal repair devices cannot weld small sheet metal plates to large sheet metal plates, and then repair the gaps in large sheet metal plates.
Patent CN110315236A discloses a sheet metal repair device, which is used for welding small metal sheets to large metal sheets, but it is generally suitable for welding flat sheet metal parts, and sheet metal parts are quite bent parts. Sheet metal parts, the above sheet metal repair device can not be repaired very well

Method used

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  • Method for repairing bent part of metal plate and welding device
  • Method for repairing bent part of metal plate and welding device
  • Method for repairing bent part of metal plate and welding device

Examples

Experimental program
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Embodiment 1

[0042] refer to figure 1 , a method for repairing a sheet metal bend, comprising the following steps:

[0043] A1: Scan the 3D contour of the gap of the large sheet metal part to obtain the shape and size of the gap at the bend of the sheet metal;

[0044] A2: Process a small sheet metal part that matches the shape of the bending notch;

[0045] A3: Weld the small sheet metal parts to the gaps of the large sheet metal parts;

[0046] A4: Polish the welds of the large sheet metal part and the lower sheet metal part smoothly.

[0047] In this embodiment, the material and thickness of the small sheet metal parts are the same as those of the large sheet metal parts, and a bending machine is also performed to make the shape, size and bending degree of the small sheet metal parts correspond to the gaps.

[0048] Further, refer to figure 2 , when welding, the welding method of small sheet metal parts includes the following steps:

[0049] B1: Keep one side of the large sheet me...

Embodiment 2

[0055] refer to Figure 4 , the welding device in this embodiment is used for the welding of small sheet metal parts, including a base 1, a vertical column 2 and a beam 3, and the base 1, the vertical column 2 and the beam 3 form a space inside which a welding component is arranged, so The welding assembly includes a vertical welding torch 42 , a lateral welding torch 72 , a suction nozzle 8 for adsorbing the small sheet metal parts 13 , a lateral fixing base and a vertical fixing base 11 for fixing the large sheet metal parts.

[0056] Specifically, the vertical welding torch 42, the lateral welding torch 72 and the suction nozzle 8 are all mounted on the lateral mounting bracket 4, the lateral mounting bracket 4 is located below the beam 3, and the beam 3 is provided with a chute in the X-axis direction, The sliding slot is provided with a Y-axis direction sliding rod, and a lifting cylinder 5 slidably connected to the Y-axis direction sliding rod is set on the Y-axis direct...

Embodiment 3

[0072] refer to Figure 8 and Figure 9 In this embodiment, handles 1111 are provided on the upper ends of each group of the clamping blocks 113, the two ends of the handles 1111 are respectively hinged to the upper ends of the connecting rods 1110, and the lower ends of each of the connecting rods 1110 are respectively hinged to different clamping Block 113, press the handle 1110, the spring 114 can be compressed, the two clamping blocks 113 are separated, and the vertical side 122 of the large sheet metal plate 12 can be easily inserted and removed between the clamping blocks 113.

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Abstract

The invention discloses a method for repairing a bent part of a metal plate and a welding device. The method for repairing the bent part of the metal plate comprises the steps of A1, obtaining the shape and size of the gap at the bent part of the metal plate firstly; A2, machining a small sheet metal part matched with the shape of the gap at the bent part; A3, then welding the small sheet metal part at the gap of the large sheet metal part; and A4, finally, smoothly polishing the welding seams of the large sheet metal part and the small sheet metal part. During the welding of the step A3, thetwo side surfaces formed by the bending of the small sheet metal part are respectively welded, so that the machining control is convenient, and the repairing process is simple and efficient. The welding device is provided with a vertical welding gun and a transverse welding gun which respectively weld the joints of the small sheet metal part and the two surfaces of the bending part of the metal plate, the positions of a tool and the welding guns of the welding device can be changed, and the gap of the large sheet metal part can be efficiently repaired in cooperation with the conversion of thefixing direction of the large sheet metal part.

Description

technical field [0001] The invention relates to the technical field of sheet metal repair, in particular to a method for repairing a sheet metal bend and a welding device thereof. Background technique [0002] Now sheet metal repairing devices, such as those disclosed in patents CN110918689A, CN102921772A, CN110252854A, CN107457284A, can be accurately and effectively positioned and operated to repair dents or deformations in panels through a simple structure. However, these sheet metal repair devices cannot weld a small metal sheet to a large metal sheet, thereby repairing the gap of the large metal sheet. Patent CN110315236A discloses a sheet metal repair device, which is used for welding small metal sheets to large metal sheets, but it is generally suitable for the welding of flat sheet metal parts, and sheet metal parts are quite bent For sheet metal parts, the above-mentioned sheet metal repair device cannot be repaired very well. SUMMARY OF THE INVENTION [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P6/00B23K31/02B23K37/047
CPCB23K31/02B23K37/047B23P6/00
Inventor 唐旻喆凌其虎
Owner WUXI XINQISHENG ELECTRICAL APPLIANCE
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