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A method for repairing a sheet metal bend and a welding device thereof

A repair method and welding device technology, applied to welding equipment, welding equipment, auxiliary devices, etc., can solve the problems that small metal sheets cannot be welded on large metal sheets, and cannot be repaired well, so as to achieve the repair process simple and efficient effect

Active Publication Date: 2021-02-05
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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  • A method for repairing a sheet metal bend and a welding device thereof
  • A method for repairing a sheet metal bend and a welding device thereof
  • A method for repairing a sheet metal bend and a welding device thereof

Examples

Experimental program
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Effect test

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 notch of the large sheet metal part to obtain the shape and size of the notch 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 gap of the large sheet metal parts;

[0046] A4: Grind and smooth the welds of large sheet metal parts and small sheet metal parts.

[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 they are also bent by a bending machine so that the shape, size and bending degree of the small sheet metal parts correspond to the notches.

[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 she...

Embodiment 2

[0055] refer to Figure 4 The welding device in this embodiment is used for welding small sheet metal parts, and includes 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 in which a welding assembly is arranged, so The welding assembly includes installing a vertical welding torch 42, a horizontal welding torch 72, a suction nozzle 8 for absorbing small sheet metal parts 13, a horizontal fixing seat and a vertical fixing seat 11 for fixing large sheet metal parts.

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

Embodiment 3

[0072] refer to Figure 8 and Figure 9 , the upper end of each set of clamping blocks 113 in this embodiment is provided with handles 1111, 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, and the two clamping blocks 113 are far away, so that the vertical side 122 of the large sheet metal plate 12 can be conveniently put in and taken out between the clamping blocks 113.

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Abstract

The invention discloses a method for repairing a bent part of a sheet metal and a welding device thereof. The method for repairing a bent part of a sheet metal is as follows: firstly obtain the shape and size of a notch at a bent part of a sheet metal; Matching small sheet metal parts; then weld the small sheet metal parts to the gap of the large sheet metal parts; finally polish the welds of the large sheet metal parts and the lower sheet metal parts smoothly, in the welding of step A3 , the two sides formed by the bending of the small sheet metal parts are welded separately, which is convenient for processing control, and the repair process is simple and efficient; The joints of small sheet metal parts are welded, and the position of the tooling and welding torch in the welding device can be changed. Cooperating with the conversion of the fixed orientation of large sheet metal parts, the gaps in large sheet metal parts can be repaired efficiently.

Description

technical field [0001] The invention relates to the technical field of sheet metal repair, in particular to a method for repairing a bend of a sheet metal and a welding device thereof. Background technique [0002] Present sheet metal repairing devices, such as the sheet metal repairing devices disclosed in patents CN110918689A, CN102921772A, CN110252854A, and CN107457284A, can accurately and effectively locate and operate to repair dents or deformations in the panel through a simple structure. However, these sheet metal repair devices cannot weld small metal sheets to large metal sheets, so as to repair the gaps of large metal sheets. 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. For sheet metal parts, the above-mentioned sheet metal repairing device cannot be well repaired. Contents ...

Claims

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Application Information

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Patent Type & Authority Patents(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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