An aluminum alloy thin plate welding equipment

A thin plate welding and welding equipment technology, applied in the field of aluminum alloy welding, can solve the problems of increasing equipment cost, clamping man-hours, reducing production efficiency, and huge equipment, and achieves the effects of improving the scope of use, preventing thermal cracks, and simple structure

Inactive Publication Date: 2017-02-01
HUAQIAO UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The equipment is huge and scattered, which increases equipment cost, clamping man-hours and reduces production efficiency to a certain extent

Method used

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  • An aluminum alloy thin plate welding equipment
  • An aluminum alloy thin plate welding equipment
  • An aluminum alloy thin plate welding equipment

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0048] The aluminum alloy sheet welding method of the present invention comprises the following steps:

[0049] S1: Check the welding equipment before welding, clean the debris in the welding position of the workpiece to be welded, place the welding torch above the welding position, adjust the height between the welding torch and the workpiece to be welded, and make the tip of the tungsten electrode on the welding torch and the workpiece to be welded The distance between the welding workpieces is between 2mm-3mm. It should be noted that the distance between the tip of the tungsten electrode on the welding torch and the workpiece to be welded can be set according to actual needs, and it is not necessarily the distance in this embodiment. Between 2mm-3mm, if it is found that the tungsten electrode is easy to stick to the workpiece during welding,...

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Abstract

The invention provides an aluminum alloy thin plate welding method and an aluminum alloy thin plate welding device. The aluminum alloy thin plate welding method and the aluminum alloy thin plate welding device are easy to use and are slightly influenced by welding space. The method includes the steps that high-temperature metal with strength unrecovered after welding is rolled to compensate compression plastic strain generated in the heating process, so that the shrinkage amount of weld joints is reduced, transient stress in the welding process is lowered, and then transient welding deformation is reduced; the metal which is rolled and is still in a cooling shrinkage and stretched state is extruded, under the action of extrusion force, a part of tensile stress is offset, and workpieces are protected against hot cracks. The aluminum alloy thin plate welding device comprises a trolley frame, a TIG welding device, a plate pressing device, a rolling device, an extrusion device and a control system, wherein the TIG welding device, the plate pressing device, the rolling device, the extrusion device and the control system are arranged on the trolley frame; the plate pressing device, the TIG welding device, the rolling device and the extrusion device are sequentially arranged in alignment at predetermined intervals. The aluminum alloy thin plate welding method can be achieved by using the aluminum alloy thin plate welding device.

Description

technical field [0001] The invention relates to the field of aluminum alloy welding, in particular to an aluminum alloy sheet welding equipment. Background technique [0002] Aluminum and its alloys are one of the most widely used non-ferrous metals. Aluminum alloy materials have the advantages of high specific strength, corrosion resistance, good electrical and thermal conductivity, and weldability. The thin-plate aluminum alloy structure has the characteristics of light weight, good process performance (easy to process and form), and convenient connection, so it replaces the traditional steel structure and is widely used in various welded structure products. During the welding process of aluminum alloy sheet, due to its large thermal conductivity and linear expansion coefficient, the temperature gradient between the vicinity of the molten pool and the surrounding metal is large during the welding process, and the vicinity of the weld is prone to deflection due to high temp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/167B23K37/02B23K37/04B23K37/00
CPCB23K9/0035B23K9/12B23K9/167B23K9/23B23K9/235B23K9/32B23K2101/18B23K2103/10
Inventor 周广涛陈强王立鹏陈志伟黄海瀚江余东郭广磊陈聪彬刘骏
Owner HUAQIAO UNIVERSITY
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