Vehicle brazing method and vehicle brazing device

An automobile and brazing technology, which is applied in the direction of electric heating devices, auxiliary devices, vehicle parts, etc., can solve the problems of low production efficiency, achieve the effects of improving welding efficiency, improving melting efficiency, and improving brazing quality

Active Publication Date: 2014-05-14
成都天启万峰机电设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its biggest application limitation is low production efficiency

Method used

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  • Vehicle brazing method and vehicle brazing device
  • Vehicle brazing method and vehicle brazing device
  • Vehicle brazing method and vehicle brazing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] figure 1 and figure 2 Shown is an embodiment of the automobile brazing device, a kind of automobile brazing device, including front-end plasma power supply 1, back-end plasma power supply 2, brazing welding torch 3, wire feeding mechanism 4, robot 5 and controller 6, The front-end plasma power source 1 and the rear-end plasma power source 2 jointly form a welding heat source, and the welding torch 3 is arranged on the automatic arm of the robot. The welding torch 3 includes a front-end plasma nozzle 7, a rear-end plasma nozzle 8 and a wire guide nozzle 9. , the rear end plasma nozzle 8 and the wire guide nozzle 9 are arranged in sequence, the end of the welding torch 3 is provided with a protective cover 10, and the front end plasma nozzle 7, the rear end plasma nozzle 8 and the wire guide nozzle 9 are all wrapped in it. The welding torch 3 also includes a pipeline communicating with the gas cylinder, the gas cylinder is equipped with shielding gas, and the shield...

Embodiment 2

[0048] Such as image 3 As shown, different from Embodiment 1, the wire guide nozzle 9 is located between the front plasma nozzle 7 and the rear plasma nozzle 8, and there is an included angle of about 30° between the rear plasma nozzle 8 and the wire guide nozzle 9 ( Filling wire angle), can be adjusted in the range of 20°~40°, the effect is to obtain a stable welding process. If the wire filling angle is too small, it will affect the melting effect of the back-end plasma arc on the wire filling. If the wire filling angle is too large, the inclination angle of the back-end plasma nozzle 8 will be increased, and the size of the welding torch will be increased.

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Abstract

The invention provides a vehicle brazing method and a vehicle brazing device. The brazing device comprises a brazing heat source, a brazing torch, a wire feeder, a robot and a controller. The brazing torch is arranged on the robot, and the controller is connected with the brazing heat source, the brazing torch, the wire feeder and the robot respectively and controls the same to operate. The brazing heat source comprises a front-end plasma power supply and a rear-end plasma power supply. A front-end plasma nozzle, a rear-end plasma nozzle and a wire guiding nozzle are arranged in the top of the brazing torch, the front-end plasma nozzle is connected with the front-end plasma power supply through a cable, the rear-end plasma nozzle is connected with the rear-end plasma power supply through another cable, the wire guiding nozzle is connected with the wire feeder, and a brazing wire discharged from the wire feeder extends out of the wire guiding nozzle. The vehicle brazing device has the advantages of high seam strength, narrow seams, freeness of spattering, high brazing efficiency and the like; compared to laser brazing manufacturing, brazing manufacturing can greatly lower investment, use cost can be lowered, and wide application can be achieved.

Description

[0001] technical field [0002] The invention relates to a welding method and device, in particular to a welding method and device for automobile welding. [0003] Background technique [0004] The difference between brazing and fusion welding is that the base metal does not melt during brazing, the melting temperature of the solder is lower than that of the base metal, the heating temperature is lower than the solidus of the base metal but higher than the liquidus of the solder, and the solder is heated The base metals are joined after melting. The main requirements of the brazing process used in the automotive sector are: high efficiency, strong weld seam, smooth weld seam, and no damage to the galvanized layer. [0005] At present, the most widely and commonly used in the field of automobile manufacturing, there are mainly two brazing process devices, namely laser brazing and CMT (cold brazing) brazing technology. [0006] The first type of brazing device, laser bra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/04B23K3/08B23K1/14
CPCB23K1/0008B23K1/14B23K3/00B23K10/02B23K2101/006
Inventor 王长春陈卓勤
Owner 成都天启万峰机电设备有限公司
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