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Laser welding device and method based on laser cleaning pretreatment

A laser welding and laser cleaning technology, used in laser welding equipment, welding equipment, metal processing equipment and other directions, can solve problems such as unfavorable environmental protection, complicated chemical removal procedures, etc., to improve welding efficiency, realize automatic cleaning and welding, Significant economic benefits

Inactive Publication Date: 2016-07-13
SHANGHAI INST OF LASER TECH
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  • Description
  • Claims
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Problems solved by technology

However, the chemical removal method is relatively complicated and unfavorable to environmental protection

Method used

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  • Laser welding device and method based on laser cleaning pretreatment
  • Laser welding device and method based on laser cleaning pretreatment

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0022] like figure 1 As shown, a laser welding device based on laser cleaning pretreatment includes a conveyor belt 1, a clamping and adsorption device 2, a machine vision system 3, a laser cleaning device 4, a pulsed laser 5, a beam transmission system A6, a beam focusing system A7, Control system A8, scanning head 9, laser welding device 10, continuous laser 11, beam transmission system B12, beam focusing system B13, control system B14, welding head 15, shielding gas bottle 16 and shielding gas pipeline.

[0023] The front part of the conveyor belt 1 is provided with a laser cleaning work area, and the rear part is provided with a laser welding work area. A laser cleaning device 4 is installed in the laser cleaning work area, and a laser welding device 10 is installed in the...

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Abstract

The invention relates to a laser welding device and method based on laser cleaning pretreatment.The device comprises a conveying belt, a clamping and adsorption device, a laser cleaning device and a laser welding device.A laser cleaning work region is arranged on the front portion of the conveying belt, and a laser welding work region is arranged on the rear portion of the conveying belt.The laser cleaning device is arranged in the laser cleaning work region, and the laser welding device is arranged in the laser welding work region.The clamping and adsorption device used for fixing butt joint machining welding openings of two to-be-welded metal sheets is adsorbed on the conveying belt.Due to the fact that the laser cleaning process is used for conducting rust and paint removal treatment on the surfaces of to-be-welded materials before welding, and the quality of welded joint seams can be improved.The laser cleaning device and the laser welding device are integrated, the laser cleaning work region and the laser welding work region can be accurately positioned through the machine vision image acquisition and positioning technology, automatic cleaning and welding are achieved, the working efficiency and stability of the device are improved, and therefore welding efficiency is improved.

Description

technical field [0001] The invention relates to laser welding, in particular to a laser welding device and method using a laser cleaning pretreatment process. Background technique [0002] With the rapid development of the industrial laser industry, the market has higher and higher requirements for laser processing technology. As a relatively novel joining process, laser welding technology has great potential for innovation. The application prospect of laser welding technology in the field of industrial processing is becoming more and more extensive, and the technology is becoming more and more mature. It has become an advanced manufacturing method integrating multiple disciplines and technologies such as optics, mechanics, electricity, computers and materials. Since laser welding conforms to the technical development direction of high quality, low consumption, high efficiency, cleanness, narrow heat-affected zone, small joint deformation, and flexible operation, the 21st ce...

Claims

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Application Information

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IPC IPC(8): B23K26/60B23K26/03
CPCB23K26/60B23K26/03B23K26/352
Inventor 张瑄珺董岿然夏琪王健超韩华
Owner SHANGHAI INST OF LASER TECH
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