Automatic welding method

An automatic welding and welding torch technology, which is applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve a large number of problems such as slag spraying, achieve the effects of reducing heat energy consumption, improving industrial automation welding, and preventing deformation defects

Active Publication Date: 2012-12-05
METAL INDS RES & DEV CENT
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Problems solved by technology

Today, if the CMT welding technology is applied to the complex three-dimensional curved weld bead of the bicycle, it is still easy to generate a large amount of slag spray after welding, and an additional process of removing the slag spray must be added to ensure high quality after welding The fish scale weld bead will not affect the appearance quality of the bicycle front fork, frame and other structures

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Embodiment Construction

[0037] In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments of the present invention are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings:

[0038] Please refer to figure 1 As shown, it is an automatic welding machine, the automatic welding machine includes a welding torch clamping device 1 and a carrier 2, the welding torch clamping device 1 is used to clamp a welding torch 3, and the welding torch clamping device 1 It can be selected as an adjustable manipulator or a fixed manipulator, but not limited to this; the surface of the carrier 2 is provided with a clamp 21, and the clamp 21 is used to fix a metal object 4 to be welded, So that the welding gun 3 can weld the metal object 4 by the way of short-circuit arc moving. In addition, the carrier 2 can optionally be provided with two rotating shafts 22a, 22b...

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Abstract

An automatic welding method includes a preliminary step and a joining step. The preliminary step is configured to place a metal object having a multi-dimensional curved weld zone on a platform, and to clamp a welding torch with a welding torch clamping device. The joining step is configured to generate a relative movement between a tip of the welding torch and the multi-dimensional curved weld zone of the metal object, and to electrify the welding torch to weld the metal object by way of short circuiting arc transfer. An angle difference between a reference position and an instant position of the welding torch is 0 to 135 degrees when the welding torch welds the metal object, so as to keep the slag from spraying, wherein the welding torch is at the reference position when the tip thereof is pointed straight down towards the ground.

Description

technical field [0001] The present invention relates to an automatic welding method, in particular to an automatic welding method that can be applied to metal objects with three-dimensional curved weld beads. Background technique [0002] Nowadays, welding methods are widely used in various fields to select appropriate welding techniques for different metal object properties, and expect high-quality welding effects on the surface of the metal object. [0003] Taking the bicycle industry as an example, most bicycles with high unit price use aluminum alloy to make front fork, frame and other structures, and the welding process of front fork, frame and other structures often requires high-quality weld bead in the shape of fish scales. Therefore, traditional bicycle welding still tends to use manual TIG welding technology in order to achieve high-quality fish-scale bead. However, this TIG welding can only be applied to the joining of the same metal, and the welding process ofte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/00B23K9/12
CPCB23K9/00B23K9/032B23K9/12
Inventor 姜志华吴隆佃蒋伟仁林志伦
Owner METAL INDS RES & DEV CENT
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