Link-lever structured laser coaxial powder-feeding nozzle with adjustable powder gathering point

A coaxial powder feeding, lever-type technology, applied in the direction of metal material coating process, coating, etc., can solve the problem of molding efficiency, low utilization rate of powder convergence powder, inability to achieve high precision, high quality cladding layer, Limit the promotion and application of laser cladding technology, and achieve the effect of variable cladding track width, simple and reasonable structure, and ensuring uniformity

Active Publication Date: 2017-06-13
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary laser coaxial powder feeding nozzles cannot adjust the position of the powder converging point online in real time according to the position of the laser beam focus. , Powder aggregation

Method used

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  • Link-lever structured laser coaxial powder-feeding nozzle with adjustable powder gathering point
  • Link-lever structured laser coaxial powder-feeding nozzle with adjustable powder gathering point
  • Link-lever structured laser coaxial powder-feeding nozzle with adjustable powder gathering point

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Embodiment Construction

[0029] Referring to the drawings, a laser coaxial powder feeding nozzle with adjustable connecting rod lever structure powder convergence point includes a cladding head 1. A laser inlet is provided above the cladding head 1 in a vertical direction. The cover is provided with a laser exit along the vertical direction; the laser beam of the laser enters from the laser entrance and exits from the laser exit to converge on the surface of the processed part

[0030] The cladding head 1 is provided with a powder feeding tube 7 which is installed around the cladding head 1 through an angle adjustment device that can adjust the angle between the powder feeding tube 7 and the cladding head 1; The exit of 7 is downward and close to the laser exit, and the extension line of the central axis of the powder feeding tube 7 intersects the extension line of the central axis of the cladding head 1 to ensure that the laser from the laser exit and the exit from the powder feeding tube 7 The powder g...

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PUM

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Abstract

A link-lever structured laser coaxial powder-feeding nozzle with an adjustable powder gathering point is characterized in that powder-feeding pipes are arranged outside a cladding head, the powder-feeding pipes are mounted around the cladding head through an angle adjuster that may adjust the included angles between the powder-feeding pipes and the cladding head, each powder-feeding pipe has a downward outlet that is close to a laser outlet, the angle adjuster comprises a sleeve that sleeves the cladding head, one side of the sleeve is provided with a driving device that drives the sleeve to slide up and down along the outer wall of the cladding head, a guiding device is arranged between the sleeve and the cladding head, one end of each powder-feeding pipe close to an inlet is connected to the sleeve through a link, one end of each link is hinged to the corresponding powder-feeding pipe, the other end of each link is hinged to the sleeve, one end of each powder-feeding pipe close to the outlet is hinged to the cladding head, and a central control unit is connected to the driving device. The link-lever structured laser coaxial powder-feeding nozzle with the adjustable powder gathering point allows the powder gathering point to be adjusted dynamically in real time, allows the powder gathering point to fall constantly on the surface of a part under processing, and can provide high-precision high-quality high-performance clad layer with adjustable width of a cladding path.

Description

Technical field [0001] The invention relates to a laser coaxial powder feeding nozzle with an adjustable connecting rod lever structure powder converging point. Background technique [0002] With the continuous development of laser cladding technology and the increase in industrial applications, the geometry of processed parts is becoming more and more complex. During processing, the width of the cladding track often needs to be changed. In the process of processing, by directly moving the laser cladding head in the vertical direction, the position of the laser beam focus is changed, thereby changing the size of the spot on the workpiece surface, and changing the cladding track width online. Ordinary laser coaxial powder feeding nozzles cannot adjust the position of the powder converging point according to the position of the laser beam focus in real time, and the powder converging point will deviate from the plane of the processed part, which cannot achieve a high-precision, hi...

Claims

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Application Information

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IPC IPC(8): C23C24/10
CPCC23C24/10
Inventor 胡晓冬姚建华黄利安杨高林朱秀晖阿里亚肯·迈克勒如斯勒·褚克科瓦连柯·弗拉季米尔
Owner ZHEJIANG UNIV OF TECH
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