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An inert atmosphere control device for laser forming and repairing

A technology of inert atmosphere and control device, applied in the field of material processing, can solve the problems of difficult to control gas purity, heavy equipment, waste of inert gas, etc.

Active Publication Date: 2011-11-30
西北工业大学资产经营管理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the deficiencies existing in the existing inert atmosphere protection devices, such as bulky equipment, high cost, serious waste of inert gas, and difficult control of gas purity, the present invention proposes an inert atmosphere control device for laser forming and repairing

Method used

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  • An inert atmosphere control device for laser forming and repairing
  • An inert atmosphere control device for laser forming and repairing
  • An inert atmosphere control device for laser forming and repairing

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Embodiment Construction

[0019] An inert atmosphere control device for laser forming and repairing, including an atmosphere protection cover 1, a diaphragm booster pump 4, a dust filter 3, a pressure gas storage tank 5, a water eliminator 8, an argon gas purifier 9, and a water cooling jacket 10. Control unit 12 and sensor, wherein:

[0020] The air return pipeline 13 starts from the atmosphere protective cover 1, and successively connects with the exhaust pipe three-way valve 2, dust filter 3, diaphragm booster pump 4, pressure gas storage tank 5, intake pipe three-way valve 7, water eliminator 8 and The argon gas purifiers 9 are sealed in series; the gas inlet pipe 11 is connected with the atmosphere protection cover 1 through the water cooling jacket 10 . The exhaust pipe 14 is connected with the three-way valve 2 of the exhaust pipe. The two ends of the air inlet pipe 15 of the air storage tank are respectively sealed and connected with the three-way valve 7 of the air inlet pipe and the air inle...

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Abstract

The invention discloses an inert atmosphere control device for laser forming and repair. A return air duct (13) is sequentially connected in series with a three-way valve (2) of an exhaust pipe, a dust filter (3), a diaphragm booster pump (4), a pressure gasholder (5), a three-way valve (7) of an air inlet pipe, a dehydrator (8), an argon purifier (9) and a water cooling jacket (10); an air intake pipeline (11) of the water cooling jacket is connected with a water cooling unit (10) and an atmosphere protective cover (1); an exhaust air duct (14) is connected with the three-way valve (2) of the exhaust pipe; both ends of an air intake duct (15) of the air storage tank are respectively connected with the three-way valve (7) of the air inlet pipe and the air intake pipeline (11) in a sealing way; and both ends of an air supplement pipeline (16) are respectively connected with a gas bottle (6) and the pressure gasholder (5). The invention causes work air in a laser forming and repairing process to be cyclically utilized, reduces use and exhaust of argon, saves the running cost, controls contents of oxygen and nitrogen up to 10 ppm in a working process, and ensures the quality of the laser forming and repair.

Description

1. Technical field [0001] The material processing field of the present invention is specifically an inert atmosphere control device for laser forming and repairing. 2. Background technology [0002] The metal raw materials used in laser three-dimensional forming technology and laser forming and repairing technology are mostly powder materials. The process of forming and repairing is: the laser molten pool moving according to the predetermined trajectory receives the fed powder, the powder is melted at high temperature, and the laser beam moves After opening, the original molten pool solidifies and continues to form a new molten pool, which is a process of point deposition and point formation. In the process of laser three-dimensional forming and repairing, it is the key to ensure the quality of forming and repairing to prevent the contamination of molten pool and avoid alloy oxidation. Therefore, laser three-dimensional forming and repair equipment need to be equipped with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/34B23K26/12B23K26/42B23K26/70
Inventor 黄卫东薛蕾陈静林鑫
Owner 西北工业大学资产经营管理有限公司
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