Plastic welding gun

A technology of plastic welding gun and welding gun, applied in the field of welding, can solve the problem of inability to exclude the air between the weldment and the base metal, affecting the welding quality, etc., and achieve the effect of improving the welding quality and the tightness of the welding seam.

Inactive Publication Date: 2019-03-29
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the above-mentioned plastic welding torch cannot exclude the air between the weldment and the base metal during welding, thus affecting the welding quality

Method used

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  • Plastic welding gun
  • Plastic welding gun

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Embodiment Construction

[0021] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0022] Such as figure 1 , figure 2 As shown, the welding torch includes a gun body 1, the front end of the gun body 1 is provided with a gun nozzle 2, and the gun body 1 is provided with a feeding device 3 communicating with the gun nozzle 2. It is characterized in that the welding torch also includes an exhaust fan 4 , suction pipe 5 and suction nozzle 6, suction fan 4 is fixed on the gun body 1, and the two ends of suction pipe 5 are connected with suction fan 4 and suction nozzle 6 respectively, and in the present embodiment, suction pipe 5 is corrugated soft Pipe, suction nozzle 6 places are provided with cutter 7.

[0023] Such as figure 1 , figure 2 As shown, in the present embodiment, the feeding device 3 incl...

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Abstract

The invention belongs to the technical field of welding, and relates to a plastic welding gun. The problem that welding quality of an existing welding gun is easily affected by welding seam air is solved. The welding gun comprises a gun body, a gun nozzle is formed in the front end of the gun body, a supply device communicating with the gun nozzle is arranged in the gun body, the welding gun further comprises an exhaust fan, an exhaust tube and an air suction nozzle, the exhaust fan is fixed to the gun body, the two ends of the exhaust pipe are connected with the exhaust fan and the air suction nozzle, when the welding gun is used, the air suction nozzle is aligned with the welding seams firstly, air between the welding seams can be exhausted as much as possible, through the supply device,melt is conveyed to the gun nozzle, finally, the melt flows into the welding seam through the gun nozzle, due to the fact that the air in the welding seams is exhausted thoroughly, melt can more easily enter the welding seams under the barometric pressure effect, meanwhile, the welding seams are more tight, and the welding quality is improved.

Description

technical field [0001] The invention belongs to the technical field of welding and relates to a plastic welding torch. Background technique [0002] In recent years, the development of plastic technology has led people to pursue a more perfect welding process. Now there are roughly two ways of plastic welding: one is to melt and weld the weldment and the base metal by blowing out hot air from the welding torch; the other is to add raw materials to the gun, melt it, and flow it to the on the weldment to be welded. [0003] my country's patent CN 203293535U discloses a plastic welding torch, which includes a gun body and a gun nozzle matched with the gun body. There is a ventilation pipe, and the tail end of the ventilation pipe forms the welding head of the gun nozzle. The welding head is matched with the joint of the plastic to be welded during plastic welding. The front end of the welding head is provided with a feed port, and the feed port is set as a hollow Tubular, the ...

Claims

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Application Information

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IPC IPC(8): B29C65/12
CPCB29C65/12B29C66/0014B29C66/0326
Inventor 王冰洋郁惠民陈星达
Owner ZHEJIANG OCEAN UNIV
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