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Automatic welding method for aluminum alloy sheet

A welding method and automatic welding technology, applied in the field of aluminum alloy welding, can solve the problems of unstable welding, low welding efficiency of equipment, and poor welding quality, and achieve the effect of improving the qualification rate and ensuring the welding quality.

Pending Publication Date: 2022-08-09
向艺文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Before modern welding of aluminum alloy sheets, due to the presence of more residue or dust on the surface of the sheet, it is easy to cause virtual welding or unstable welding on the surface of the sheet during welding, resulting in poor welding quality;
[0004] 2. When using welding equipment to weld thin plates, because the equipment cannot fix the thin plates, the thin plates move randomly during welding, which affects the progress of welding and leads to the problem of low welding efficiency of the equipment

Method used

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  • Automatic welding method for aluminum alloy sheet
  • Automatic welding method for aluminum alloy sheet
  • Automatic welding method for aluminum alloy sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] like Figure 1-8 As shown, the present invention provides an automatic welding method for an aluminum alloy sheet, and the automatic welding method for an aluminum alloy sheet includes the following steps:

[0042] Step 1: Thin plate cutting;

[0043] Step 2: Pretreatment of thin plate;

[0044] Step 3: Sheet welding treatment;

[0045] Step 4: Welding quality inspection.

[0046]The first step includes: measuring the size to be cut on the thin plate with a measuring ruler, then marking the surface of the thin plate with a marker, placing the thin plate on the cutting machine, using the cutting machine to cut the thin plate, and cutting the thin plate into specified length.

[0047] The second step includes the following steps:

[0048] S1: Place the cut sheet on the grinding equipment, start the grinding equipment to grind the raised points on the surface of the sheet, and grind and remove the residue attached to the surface of the sheet;

[0049] S2: Place the p...

Embodiment 2

[0054] like Figure 1-8 As shown, on the basis of Embodiment 1, the present invention provides a technical solution: preferably, the welding equipment includes a welding machine body 1, a positioning mechanism 2 is provided on the worktable surface of the welding machine body 1, and the positioning mechanism 2 includes a positioning box 21. The inner cavity of the positioning box 21 is provided with a guide rod 22, the surface of the guide rod 22 is slidably connected with a slider 210, one side of the slider 210 is fixedly connected with a transmission rod 211, and one end of the transmission rod 211 extends to the end of the positioning box 21. A splint 23 is fixedly connected to the outside, and a straight rod 28 is fixedly connected to the other side of the slider 210. One end of the straight rod 28 extends to the outside of the positioning box 21 and is fixedly connected with a sleeve plate 27. The positioning mechanism 2 also includes a positioning plate 26 One side of t...

Embodiment 3

[0057] like Figure 1-8 As shown, on the basis of Embodiment 1, the present invention provides a technical solution: preferably, a dust removal mechanism 3 is provided on the side of the welding machine body 1, and the dust removal mechanism 3 includes a water tank 31, and the water tank 31 is provided with a purification liquid, and the water tank A suction pump 38 is fixedly connected to one side of the top surface of the suction pump 31. The input end of the suction pump 38 is fixedly connected to a dust hood 32. The output end of the suction pump 38 is fixedly connected to a conduit 33, and the bottom end of the conduit 33 extends to the water tank. The inner cavity of 31 is fixedly connected with a dispersion block 37. The top of the inner cavity of the dispersion block 37 is provided with a fixing groove 371. The fixing groove 371 is communicated with the conduit 33. The bottom surface of the fixing groove 371 is provided with a dispersion groove 372. The bottom end is p...

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Abstract

The invention discloses an automatic welding method for an aluminum alloy sheet, and relates to the technical field of aluminum alloy welding, the automatic welding method for the aluminum alloy sheet comprises the following steps: step 1, cutting the sheet; secondly, the thin plate is pretreated; step 3, welding the thin plate; and fourthly, welding quality detection is conducted. A cut thin plate is placed on the grinding equipment, the grinding equipment is started to grind protruding points on the surface of the thin plate, residues attached to the surface of the thin plate are ground and removed, the surface of the thin plate is cleaned through the cleaning pool, impurities and dust on the surface are removed, and the surface of the thin plate is cleaned through the cleaning pool. And finally, drying equipment is used for drying the thin plate to prevent moisture from influencing the welding quality, so that the phenomenon that the surface of the thin plate is prone to cold joint or unstable welding during welding due to the fact that more residues or dust exist on the surface of the thin plate before the aluminum alloy thin plate is welded is avoided, the welding quality of the thin plate is guaranteed, and the percent of pass is increased.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy welding, in particular to an automatic welding method for aluminum alloy sheets. Background technique [0002] With the rapid development of the high-speed railway industry in recent years, the welding of aluminum alloys for rail vehicles has become a new research hotspot. Aluminum alloys are the key materials for the manufacture of high-speed EMUs. It is of great significance to improve the operating life of high-speed trains. As a key process in the manufacture of high-speed train bodies, the welding of aluminum alloys plays a very important role. The following problems exist for the prior art: [0003] 1. Before welding the aluminum alloy sheet in modern times, due to the existence of more residue or dust on the surface of the sheet, it is easy to cause the phenomenon of virtual welding or unstable welding on the surface of the sheet during welding, resulting in poor welding quality; ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/04B23K37/00B24B1/00B08B1/00B08B3/02B08B15/00B23K101/18B23K103/10
CPCB23P23/04B23K37/00B24B1/00B08B3/02B08B15/007B23K2101/006B23K2101/18B23K2103/10B08B1/12Y02P70/10
Inventor 向艺文
Owner 向艺文
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