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Bellows girth welding machine

A technology of circular seam welding and bellows, which is applied in the field of automobile exhaust catalytic purifier manufacturing equipment, can solve the problems of dislocation of bellows and other metal parts, high risk, increased rework tasks, etc., and achieves simple welding operations and automation. High, improve the effect of welding quality

Active Publication Date: 2014-10-08
ZHEJIANG DA FENG AUTOMOBILE TECH
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Problems solved by technology

The wall of the bellows is thin and has a certain degree of elasticity. When gas welding the bellows and other metal parts of the catalytic converter, if manual welding is used, it is difficult for the welder to control the degree of compression and welding of the bellows and other metal parts. The welding time and welding speed can easily lead to the dislocation of the bellows and other metal parts during welding, and the welding of the bellows will seriously affect the welding quality, increase the rework task, and cause cost waste
In addition, manual welding also has a higher risk

Method used

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  • Bellows girth welding machine
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Embodiment Construction

[0018] Such as figure 1 and figure 2 As shown, the bellows girth welding machine includes a bracket 1, a welding torch moving mechanism connected to the upper part of the bracket to drive the welding torch 2 to move, and a weldment rotating mechanism connected to the lower part of the bracket to drive the weldment to rotate, and the welding torch moving mechanism The relative bracket moves to adjust the welding position, and the weldment rotation mechanism drives the weldment to rotate continuously during the welding process so that the solder forms an annular weld on the weldment.

[0019] The welding torch moving mechanism includes a movable plate 41 which can move horizontally on the support, a cylinder 42 which is arranged on the movable plate, a moving shaft 43 which is fixed on the lower end of the piston rod of the cylinder, and which can move forward and backward while being sleeved on the moving shaft. The welding torch clamp sleeve 44 that the moving shaft rotates ...

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Abstract

The invention discloses a circular seam welding machine for corrugated pipes. The circular seam welding machine comprises a support and further comprises a welding gun moving mechanism and a weldment rotating mechanism, wherein the welding gun moving mechanism is connected with the upper part of the support and used for driving a welding gun to move, the weldment rotating mechanism is connected with the lower part of the support and used for driving a weldment to rotate, the welding gun moving mechanism moves in a manner relative to the support to regulate a welding position, and the weldment rotating mechanism drives the weldment to rotate ceaselessly in a welding process so as to form an annular welding seam on the weldment by using welding flux. The circular seam welding machine for the corrugated pipes can be used to control the welding position accurately and improve welding quality and is simple for welding operation and high in automation degree.

Description

technical field [0001] The invention relates to a manufacturing equipment for a motor vehicle tail gas catalytic purifier, in particular to a corrugated pipe circular seam welding machine. Background technique [0002] In the process of design and manufacture of motor vehicle exhaust catalytic converter assembly, bellows are often used for transitional positioning. The wall of the bellows is thin and has a certain degree of elasticity. When gas welding the bellows and other metal parts of the catalytic converter, if manual welding is used, it is difficult for the welder to control the degree of compression and welding of the bellows and other metal parts. The welding time and welding speed can easily lead to the dislocation of the bellows and other metal parts during welding, and the welding of the bellows will seriously affect the welding quality, increase the rework task, and cause cost waste. In addition, manual welding also has a high risk. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/028B23K9/12B23K9/28
Inventor 王臭孩张宇鹏王秋艳王磊
Owner ZHEJIANG DA FENG AUTOMOBILE TECH
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