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Adjustable multi-path powder feeding frame for thermal spraying and spraying device

A thermal spraying and adjustable technology, applied in the direction of coating, fusion spraying, metal material coating technology, etc., can solve the problems of unfavorable coating preparation, high melting/gasification degree of metal materials, etc., and achieve good reference significance and improve Effect of coating related properties, good practical effects

Pending Publication Date: 2018-09-07
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the two-way powder feeding frame is mostly fixed, and the heat and force field experienced by the ceramic / metal material of the functional gradient coating are the same. If the preparation process of the ceramic material is satisfied, the melting / gasification degree of the metal material is higher. Not conducive to the preparation of coatings

Method used

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  • Adjustable multi-path powder feeding frame for thermal spraying and spraying device
  • Adjustable multi-path powder feeding frame for thermal spraying and spraying device
  • Adjustable multi-path powder feeding frame for thermal spraying and spraying device

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Embodiment Construction

[0037] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0038] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0039] As introduced in the background technology, there is a deficiency in the prior art that the position of t...

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Abstract

The invention discloses an adjustable multi-path powder feeding frame for thermal spraying and a spraying device. The adjustable multi-path powder feeding frame is used for solving the problem that anexisting powder feeding frame cannot adjust the position; and the adjustable multi-path powder feeding frame for thermal spraying is characterized in that axial adjusting mechanisms and radial adjusting mechanisms are arranged so that the distance between each powder feeding part and the center of a flame flow and the position of each powder feeding part in the flame flow can be changed, then themelting state difference of ceramic / metal materials is reduced, and the comprehensive performance of a functional gradient coating is improved. According to the technical scheme, the adjustable multi-path powder feeding frame for thermal spraying comprises a main frame connected with a spray gun, the main frame is connected with the plurality of axial adjusting mechanisms, the axial adjusting mechanisms are connected with the radial adjusting mechanisms through connecting rods, the radial adjusting mechanisms are connected with the powder feeding parts, the axial adjusting mechanisms can drive the radial adjusting mechanisms to axially move along the thermal spraying spray gun so as to change the positions of the powder feeding parts in the flame flow, and the radial adjusting mechanismscan drive the powder feeding parts to move along the thermal spraying spray gun in the radial direction so as to change the distance between each powder feeding part and the center of the flame flow.

Description

technical field [0001] The invention relates to the technical field of thermal spraying, in particular to an adjustable multi-channel powder feeding frame and spraying equipment for thermal spraying. Background technique [0002] Thermal spraying technology is a surface processing method that uses a heat source to rapidly heat the sprayed material to a molten or semi-molten state, and sprays it on the surface of the pretreated workpiece through high-speed airflow or flame flow to accelerate the spraying to form a coating. According to different heat sources, thermal spraying can be divided into arc spraying, plasma spraying, explosive spraying and so on. [0003] Functionally graded coating is a new type of composite coating in which two or more materials are compounded and the composition and structure change continuously. According to the material composition, it can be divided into metal / non-metal functionally gradient layer, non-metallic / ceramic functional gradient coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/134
CPCC23C4/134
Inventor 李方义鹿海洋李振王黎明杜际雨李剑峰张兴艺商建通
Owner SHANDONG UNIV
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