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Laser nozzle for metal powder laser forming

A laser forming and metal powder technology, applied in the direction of improving process efficiency, improving energy efficiency, additive manufacturing, etc., can solve the problems of unstable metal powder laser forming quality, poor powder ejection effect, complex nozzle structure, etc., to achieve excellent The effect of quality, easy operation and stable product quality

Inactive Publication Date: 2017-05-17
NORTHWESTERN POLYTECHN UNIV ZHANGJIAGANG INTELLIGENT EQUIP TECH INDZATION RES INST
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Traditional metal powder laser forming nozzles have complex structure, poor powder ejection effect, and unstable quality of metal powder laser forming

Method used

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  • Laser nozzle for metal powder laser forming

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Embodiment Construction

[0011] The present invention will be further described now in conjunction with accompanying drawing. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.

[0012] Such as figure 1 The laser nozzle shown for metal powder laser forming includes an inner tube 1, and the inner cavity of the inner tube 1 is a laser channel 14, and the inner tube 1 is sequentially provided with a powder feeding sleeve 2, an air flow sleeve 3 and an outer cooling sleeve 4, and the inner tube 1 A powder channel 6 is formed between 1 and the powder feeding sleeve 2, and a gas channel 8 is formed between the powder feeding sleeve 2 and the air flow sleeve 3; the inner tube 1, the powder feeding sleeve 2, the air flow sleeve 3 and the outer cooling sleeve 4 are coaxially arranged , the upper end of the laser channel 14 is equipped with a condenser lens 15; t...

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Abstract

Disclosed is a laser nozzle for metal powder laser forming. The laser nozzle for metal powder laser forming comprises an inner pipe. A laser channel is formed in an inner cavity of the inner pipe, a powder conveying sleeve, a gas flow sleeve and an outer cooling sleeve are arranged outside the inner pipe in sequence in a sleeving mode, a powder channel is formed between the inner pipe and the powder conveying sleeve, and a gas channel is formed between the powder conveying sleeve and the gas flow sleeve, and the inner pipe, the powder conveying sleeve, the gas flow sleeve and the outer cooling sleeve are coaxially arranged. A condensing lens is installed at the upper end of the laser channel. A powder inlet is formed in the upper end of the powder channel, and a powder outlet is formed in the tail end of the powder channel. A gas inlet is formed in the upper end of the gas channel, a gas outlet is formed in the tail end of the gas channel, and the tail end of the outlet of the laser channel, the tail end of the powder outlet and the tail end of the gas outlet are located on the same plane. The laser nozzle for metal powder laser forming is simple in structure, reasonable in design and stable in product quality, and convenient to operate, lasers, gases and powder are sprayed through the nozzle at the same time, manufactured metal parts have excellent quality, and the dimensions can be accurately controlled.

Description

technical field [0001] The invention relates to the technical field of metal powder laser forming equipment, in particular to a laser nozzle for metal powder laser forming. Background technique [0002] Laser is one of the great inventions of natural science in the 20th century. Since the birth of the world's first laser in 1960, in the past 50 years, laser technology has been widely used in almost all fields of national defense, science and technology, industry, agriculture, medicine, and daily life with its unique characteristics and strong vitality. rapid development and wide application. Traditional metal powder laser forming nozzles have a complex structure, poor powder ejection effect, and unstable quality of metal powder laser forming. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a laser nozzle for metal powder laser forming with simple structure and good...

Claims

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Application Information

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IPC IPC(8): B22F3/105
CPCB22F10/00B22F12/53B22F12/20Y02P10/25
Inventor 于忠
Owner NORTHWESTERN POLYTECHN UNIV ZHANGJIAGANG INTELLIGENT EQUIP TECH INDZATION RES INST
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