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Rectangular laser cladding powder feeding nozzle

A laser cladding and nozzle technology, which is applied in metal material coating process, coating and other directions, can solve the problem that rectangular nozzles are difficult to form a uniform jet flow

Inactive Publication Date: 2019-04-16
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a rectangular laser cladding powder feeding nozzle to solve the problem that the existing rectangular nozzle is difficult to form a uniform jet flow

Method used

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  • Rectangular laser cladding powder feeding nozzle
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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention does not include the specific embodiments.

[0018] refer to figure 1 , a rectangular laser cladding powder feeding nozzle of the present invention, comprising a nozzle body 4, the nozzle body 4 is a flat rectangular cavity surrounded by upper and lower cover plates, left and right side walls, and a top wall, and a powder inlet is provided on one side of the nozzle body 4 The mouth 2 and the powder inlet 2 are circular through holes, and the outer end of the powder inlet is fixed with a hollow cylindrical interface 1 communicating with the circular through hole. The other side of the nozzle body 4 opposite to the powder inlet 2 is provided with a powder outlet 5 , the powder outlet 5 is a rectangular through hole, and the inner wall of the powder outlet 5 is flush with the inner wall of the same side of the noz...

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Abstract

The invention discloses a rectangular laser cladding powder feeding nozzle. The rectangular laser cladding powder feeding nozzle comprises a nozzle body which is a flat cavity. A powder inlet is formed in one side of the nozzle body, the other side, opposite to the powder inlet, of the nozzle body is provided with a powder outlet, and turbulent flow columns are arranged between the upper wall andthe lower wall in the nozzle body. According to the rectangular laser cladding powder feeding nozzle, metal powder airflow entering the nozzle flows in gaps between the turbulent flow columns, finally, rectangular airflow evenly distributed in the width direction of the nozzle is formed and sprayed out of the powder outlet, and the flat cladding surface can be formed.

Description

technical field [0001] The invention belongs to the technical field of laser cladding devices, in particular to a rectangular laser cladding powder feeding nozzle. Background technique [0002] Laser cladding is to rapidly melt and coat metal powder on the metal surface through a high-power laser beam, so that the molten metal powder fuses with the metal matrix to form a firm metallurgical bond. Compared with the coating formed by electroplating technology, the cladding layer is more closely and firmly combined with the metal substrate, and the laser cladding process has almost no pollution. It is currently used to replace electroplating technology, reduce waste liquid discharge, and protect the environment. One of the important technologies one. [0003] If a laser beam with a circular cross section is used in the laser cladding process, the scanning width during cladding is small and the cladding efficiency is low. With the increase of laser power, the laser beam with re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10
CPCC23C24/103
Inventor 王世军韩子锐李志涛赵金娟
Owner XIAN UNIV OF TECH