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Air control system and laser welding equipment for laser brazing process

A gas control system and brazing technology, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve problems such as frequent replacement, and achieve the effect of ensuring welding quality, improving production efficiency, and reducing costs

Active Publication Date: 2021-09-24
HUAGONG TECHNOLOGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides an air control system for laser brazing process, which is an automatic pneumatic control system as a whole, which can solve the problem of frequent replacement due to pollution and damage of the protective lens of the laser welding head. Problems, thereby reducing costs, ensuring welding quality, production cycle, and improving production efficiency; at the same time, it can control the air supply of the anti-collision device of the laser welding head, and realize automatic control of the pressure of the air circuit and the gas circuit switch to improve The overall degree of automation of laser brazing equipment

Method used

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  • Air control system and laser welding equipment for laser brazing process
  • Air control system and laser welding equipment for laser brazing process
  • Air control system and laser welding equipment for laser brazing process

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Such as Figure 1-2 As shown, the gas control system for the laser brazing process in the present invention includes: the gas control box 100; the first gas circuit assembly, which is used to access the gas, and blows the protective lens 300 of the laser welding head 200; The second gas path assembly, whose gas outlet is located below the first gas path assembly and above the welding wire 400, is used to blow the space above the welding wire 400 after the gas is inserted; and the third gas path assembly is used to access the gas, And the gas is delivered to the anti-collision device 9 of the laser welding head 200; wherein, the gas is compressed air that has been deoiled, dewatered, filtered and pressure-regulated, and the pressure of the compressed air is 5-6 bar.

[0031] Specifically, such as figure 1 As shown, the first air circuit assembly includes: a filter 1 connected in sequence, a first pressure reducing valve 2, and a protective lens blowing assembly 3; wher...

Embodiment 2

[0041] The only difference between this embodiment and Embodiment 1 is that the gas control system for laser brazing process also includes: at least one gas path sensor 10, and the gas path sensor 10 is used to monitor the first gas path component and / or the pressure and / or flow data of the gas flow in the second gas circuit component and / or the third gas circuit component; One or more of the on-off valves 8 are used to control the switch of one or more of the first on-off valve 5, the pressure regulating valve 7, and the second on-off valve 8 in real time, and / or the main control device 500 is connected to The gas path sensor 10 is used to receive the pressure and / or flow data of the gas flow in real time, so as to monitor the gas path in real time, and to generate an alarm signal and / or execute preset actions when an abnormality occurs.

[0042] The air circuit of the second air circuit assembly and / or the third air circuit assembly is normally closed, and one of the first o...

Embodiment 3

[0044] This embodiment also provides a kind of laser welding equipment, such as figure 2 , shown in 6, which includes: laser welding head 200; protective lens 300, which is arranged at the light outlet inside the laser welding head 200; anti-collision device 9, which is close to the laser welding head 200, when the laser When the welding head 200 collides with the anti-collision device 9, a collision alarm signal is generated by the pressure change inside the anti-collision device 9; and the air control system for the laser brazing process described in embodiment one or two, and the protection The lens blowing assembly 3 and the front-end blowing assembly 6 are all arranged close to the laser welding head, so that the laser beam passes through the first light outlet 323, the large mouth end 311, the small mouth end 312 and the second light outlet 613 in sequence and acts on the Welding wire 400 on.

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Abstract

The invention discloses an air control system for laser brazing technology and laser welding equipment, which includes: a first air circuit assembly, which is used to access gas, and blow air to the protective lens of the laser welding head; A circuit assembly, which is used to blow the space above the welding wire after the gas is inserted; and a third air circuit assembly, which is used to receive the gas and deliver the gas to the anti-collision device of the laser welding head. The present invention is an automatic pneumatic control system as a whole, which can solve the problem of frequent replacement due to pollution and damage of the protective lens of the laser welding head, thereby reducing costs, ensuring welding quality, production rhythm, and improving production efficiency.

Description

technical field [0001] The invention relates to the field of laser welding, in particular to an air control system for laser brazing technology. Background technique [0002] Laser brazing is a kind of laser welding technology. It uses the high energy density laser focused by the focusing mirror to melt the welding wire material, and the molten welding wire material is infiltrated and filled on the industrial parts to be welded, so that the workpieces are well bonded. combined to complete the laser welding process. [0003] A protective lens is installed at the light exit of the laser welding head, which can separate the inner and outer spaces of the welding head, and has the characteristics of high light transmittance and low reflectivity for the laser. It protects the internal structure of the laser welding head without hindering the laser irradiation and without losing laser power. A special important part of energy. During the laser brazing process, due to high tempera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K1/005B23K3/00B23K3/08
CPCB23K1/0056B23K3/00B23K3/08
Inventor 吴访程明蒋选峰唐峰柳敏金子博吴苶
Owner HUAGONG TECHNOLOGY CO LTD
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