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Automatic welding device and method achieving low deformation for circular seam of thin-wall aluminum alloy oil tank

An automatic welding and aluminum alloy technology, which is applied in welding equipment, welding equipment, auxiliary devices, etc., can solve problems such as difficulty in implementing automatic welding, deformation of plates, etc., achieve efficient and fast robot welding, improve welding efficiency, and realize the effect of robot welding

Active Publication Date: 2021-03-09
内蒙古第一机械集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a low-deformation automatic welding device and method for the circular seam of a thin-walled aluminum alloy fuel tank. The technical problem to be solved is to solve the problem of plate deformation before welding and after welding caused by the welding process of the aluminum alloy fuel tank
Solve the problem of difficulty in implementing automatic welding of the peripheral weld seam of the end of thin-walled aluminum alloy fuel tank

Method used

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  • Automatic welding device and method achieving low deformation for circular seam of thin-wall aluminum alloy oil tank
  • Automatic welding device and method achieving low deformation for circular seam of thin-wall aluminum alloy oil tank

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Embodiment 1

[0038] The invention provides a low-deformation welding method for the front weld seam of a thin-walled aluminum alloy fuel tank, which can realize the automatic welding of the peripheral weld seam of the aluminum alloy fuel tank without spot solidification, and is aimed at a 2mm thick aluminum alloy box body with a length of the end surface of the box body of 200mm. For the welding of the circumferential seam around the fuel tank, the specific steps are as follows:

[0039] Preferably, the material of the refrigeration compression module of the device is copper or brass, and the distance between the two is 60mm;

[0040] As a preference, the refrigeration compression modules are respectively compressed on the left and right sides of the position to be welded on the box body plate and the end plate, and the distance from the weld center is 20 mm;

[0041] As a preference, the length of the refrigeration compression module along the center of the weld is 40mm, and the width of th...

Embodiment 2

[0050] The invention provides a low-deformation welding method for the front weld seam of the thin-walled aluminum alloy fuel tank, which can realize the automatic welding of the peripheral weld seam of the aluminum alloy fuel tank without spot solidification. For circular seam welding, the specific steps are as follows:

[0051] Preferably, the material of the refrigeration compression module of the device is brass, and the distance between the two is 60mm;

[0052] As a preference, the refrigeration compression module is respectively compressed on the left and right sides of the position to be welded on the box body plate and the end plate, and the distance from the weld center is 35mm;

[0053] As a preference, the length of the refrigeration compression module along the center of the weld is 40mm, and the width of the refrigeration compression module along the vertical axis is 90mm;

[0054] The specific implementation of the method includes:

[0055] (1) Set the welding...

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Abstract

The invention relates to an automatic welding device achieving low deformation for a circular seam of a thin-wall aluminum alloy oil tank. The automatic welding device is used for annularly welding tank body end plates and a tank body plate into a whole. The peripheral areas of the weld joint before and after welding are cooled at the same time, the cooling speed of base metal around the weld joint is increased, and deformation before and after welding is reduced. A robot cooperative control mode is adopted, the accessibility of the welding position is guaranteed while the cooling effect is guaranteed, and full-automatic welding of peripheral weld joints can be achieved. When the device is used for welding the thin-wall aluminum alloy oil tank, the tack welding procedure can be omitted, and the welding efficiency is improved by 20%-40%. By means of the automatic welding device, welding manufacturing of thin-wall aluminum alloy oil tanks of different sizes can be achieved, automatic high-precision welding of circular seams of various aluminum alloy oil tanks is achieved, and therefore welding stability is improved, and robot welding of thin-wall components can be efficiently and rapidly achieved.

Description

technical field [0001] The invention belongs to the technical field of circular seam welding, and in particular relates to an automatic welding device and method for low deformation of the circular seam of a thin-walled aluminum alloy fuel tank. Background technique [0002] Compared with steel materials, aluminum alloy components have stronger heat transfer characteristics and larger expansion coefficients. The welding deformation in the actual welding process is a problem that needs to be considered and solved. For aluminum alloy thin plates, the welding deformation is larger. How to solve the deformation problem is the key to automatic welding and the basis for improving the efficiency of robotic welding of thin plate components. [0003] The welding deformation of aluminum alloy components mainly depends on the size of the molten pool and the heat input per unit time during the welding process. A large amount of heat conduction in a short period of time will easily lead...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/16B23K9/32B23K9/12B23K9/02B23K37/04B23K103/10
CPCB23K9/16B23K9/32B23K9/12B23K9/02B23K37/0435B23K37/003B23K9/0026B23K2103/10
Inventor 王立新王克鸿冯曰海贾冬生杜劭峰杨炙坤班永华王宇琪
Owner 内蒙古第一机械集团股份有限公司
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