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Multi-exhaust pipe air blowing protection device for high-power laser welding

A technology of laser welding and air blowing protection, which is applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve problems such as oxidation, and achieve the effects of good angle stability, beautiful appearance design, and easy measurement and recording

Inactive Publication Date: 2016-04-13
SOUTH CHINA NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary side-axis blowing method can no longer meet the requirements, and the post-welding oxidation is serious

Method used

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  • Multi-exhaust pipe air blowing protection device for high-power laser welding
  • Multi-exhaust pipe air blowing protection device for high-power laser welding
  • Multi-exhaust pipe air blowing protection device for high-power laser welding

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Experimental program
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Effect test

Embodiment 1

[0029] Such as Figure 1 to Figure 5 As shown, a multi-row tube blowing protection device for high-power laser welding includes a fixed seat 1 and a connecting device connected to the fixed seat 1, and the fixed seat 1 is provided with a plurality of welding rods along the welding surface to be processed. The exhaust pipes 2 arranged in the seam direction, the selection of the number of exhaust pipes 2 is diversified, and can be selected as 3, 4, 5, 6, 7, 8, 9, 10, but from the perspective of saving gas and improving efficiency From the point of view, the number of exhaust pipes 2 is preferably four, and the fixed seat 1 is also provided with an air supply pipe 3 connected to the exhaust pipe 2, and the axis of the exhaust pipe 2 and the vertical direction The included angle is preferably 15-75°, and an opening 4 for the laser to pass is provided at the nozzle of the first exhaust pipe 2 in the incident direction of the laser. Of course, the angle between the axis of the exha...

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Abstract

The invention discloses a multi-exhaust pipe air blowing protection device for high-power laser welding. The multi-exhaust pipe air blowing protection device comprises a fixed base and a connecting device connected with the fixed base; the fixed base is provided with multiple exhaust pipes arranged in a direction of welding line to be processed; and the fixed base is further provided with air supply pipes connected with the exhaust pipes. The invention aims to provide the multi-exhaust pipe air blowing protection device for high-power laser welding, which can achieve an excellent protection effect when a workpiece is welded by laser with high power.

Description

technical field [0001] The invention relates to the field of laser welding, in particular to a multi-row pipe blowing protection device for high-power laser welding. Background technique [0002] Laser welding is the most watched and most promising welding technology in the 21st century. With the development of high-power lasers, laser welding has been more and more used in thick plate welding. The power density can reach 10 during high power welding 6 ~10 8 W / cm 2 , For such a high energy input, the temperature of the molten pool is very high during the welding process, and a shielding gas must be added to prevent the weld from oxidizing. The common side-axis blowing method can no longer meet the requirements, and the post-weld oxidation is serious. It is necessary to design a blowing protection device specially used for high-power laser welding. Contents of the invention [0003] The main purpose of the present invention is to provide a multi-row pipe blowing prote...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/14
CPCB23K26/14
Inventor 谭小军张庆茂胡玉郭亮
Owner SOUTH CHINA NORMAL UNIVERSITY
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