Inner wall supersonic laser composite deposition device

A supersonic laser and deposition device technology, applied in the direction of pressure inorganic powder coating, etc., can solve the problems that the surface coating of the inner hole cannot be prepared, the nozzle cannot be perpendicular to the inner wall, etc., and achieve improved surface roughness, improved surface performance, simplified The effect of experimental equipment

Pending Publication Date: 2020-03-24
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing supersonic laser deposition spray gun cannot be used for coating preparation on the surface of the inner hole due to the limitation of the spraying space and the fact that the nozzle extending into the hole cannot be perpendicular to the inner wall.

Method used

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  • Inner wall supersonic laser composite deposition device
  • Inner wall supersonic laser composite deposition device
  • Inner wall supersonic laser composite deposition device

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Embodiment 1 An inner wall supersonic laser composite deposition device according to the present invention, comprising:

[0035] The galvanometer scanning unit 1 includes a mounting frame body 108 and a galvanometer scanning device. The mounting frame body 108 is installed on the inner wall supersonic laser deposition unit 2. The upper part of the mounting frame body 108 is provided with a light-transmitting port 101 for the laser beam to pass through. , the bottom is provided with a laser light outlet for the laser beam to pass through, and a protective mirror 107 is installed at the laser light outlet to support the vibrating mirror scanning device; the vibrating mirror scanning device includes a beam splitter and several sets of vibrating mirror scan parts, the beam splitter and The vibrating mirror scanning parts are all arranged on the mounting frame body 108, and the spectroscopic part is located directly below the light transmission port 101, and is used to receiv...

Embodiment 2

[0051] Embodiment 2 As shown in FIGS. 1 , 2 , and 3 , an inner wall supersonic laser composite deposition device is composed of a galvanometer scanning unit 1 , an inner wall supersonic laser deposition unit 2 and a laser 206 . The inner wall supersonic laser deposition unit 2 includes a nozzle, a laser passage 204, a cylinder 201, an air inlet pipe 205 and a powder feeding pipe 209; the upper side of the nozzle throat 213 of the nozzle is the nozzle constriction section 211, and the lower side is The nozzle expansion section 214, the nozzle is provided with a nozzle gas inlet 210 for high-pressure gas to enter and a light-transmitting hole 203 for the laser beam to enter on the nozzle contraction section 211, and the nozzle expansion section of the nozzle is provided with a nozzle for introducing powder The nozzle powder inlet 212; the laser passage 204 is a right-angle passage, and a beam splitter 202 is provided at the corner of the passage, and the laser beam emitted from t...

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Abstract

The invention discloses an inner wall supersonic laser composite deposition device. The device comprises a galvanometer scanning unit, wherein the galvanometer scanning unit comprises a mounting framebody and a galvanometer scanning device, the mounting frame body is mounted on an inner wall supersonic laser deposition unit, an upper portion of the mounting frame body is provided with a light transmitting opening allowing laser beams to penetrate through, and the bottom of the mounting frame body is provided with a laser outlet allowing the laser beams to penetrate through, the inner wall supersonic laser deposition unit comprises a cylinder body, a nozzle, a laser path, an air supply pipe and a powder supply pipe, the nozzle, the laser path, the air supply pipe and the powder supply pipeare all installed in the cylinder body, a light outlet of the laser path is divided into two parts through an optical splitter, a first path extends to the light transmitting opening of the mountingframe body, and a second path communicates with the upper portion of the nozzle, and a light outlet of a laser device is aligned with a light inlet of the laser path. The device is advantaged in thatpreparation of a metal coating or a composite coating on an inner wall of a hole part is achieved, repairing and remanufacturing of the inner wall can further be achieved, and surface performance of the inner wall is improved.

Description

technical field [0001] The invention relates to the field of surface modification and remanufacturing, in particular to a supersonic laser composite deposition device for inner walls. Background technique [0002] Supersonic laser deposition is a new surface modification technology that combines laser irradiation with cold spray technology. This technology uses laser as an auxiliary heat source. During the deposition process, the laser irradiation spot and the spraying powder spot are synchronized to realize synchronous heating of the sprayed particles, the deposition area or the deposited coating. With the help of the rapid heating capability of the high-energy beam laser, it can instantly improve Or adjust the mechanical properties and collision deposition state of the deposition particles and materials in the deposition area, improve the thickness, deposition efficiency, density and bonding strength of the low-pressure cold spray coating, and then improve the performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/04
CPCC23C24/04
Inventor 李波姚建华黄煊杰
Owner ZHEJIANG UNIV OF TECH
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