A grinding-assisted laser cladding composite powder feeder

Abstract

The present invention provides a grinding-assisted laser cladding powder feeder, comprising a box body, a powder feeding pipe, an upper rotating disc, and a lower grinding disc. The box body is provided with an upper opening, a middle section, and a lower opening; the powder feeding pipe is provided inside the upper opening and the upper portion of the middle section; the upper rotating disc and the lower grinding disc are provided in the middle section, and the lower grinding disc is fixedly connected to the inner wall of the middle section; the upper rotating disc acts on the lower grinding disc; and a plurality of through holes is formed in both the upper rotating disc and the lower grinding disc. The present invention has the following advantages: 1, by grinding composite powder, the problems of uneven mixing and powder caking of the composite powder are solved; 2, an induction heating coil is additionally provided, the dryness of the mixed powder is improved, and the problem of powder caking is solved; and 3, an oscillator is additionally provided, the ground mixed powder is subjected to oscillation mixing and screening again, and meanwhile, the ground powder is more uniform when being discharged.

Description

technical field [0001] The invention relates to a laser cladding technology, in particular to a grinding-assisted laser cladding composite powder powder feeder. Background technique [0002] Laser cladding is a new surface modification technology that clads materials on the surface of the substrate to improve the performance of the substrate. [0003] At present, there are many kinds of cladding layer materials for laser cladding, such as ceramic powder, various nickel-based alloys, iron-based alloys, etc., but it is often difficult for a single type of powder to meet the cladding requirements. For example, the cladding material WC can improve the hardness and wear resistance of the matrix because of its characteristics, but its brittle nature often needs to be supplemented by reinforcement. [0004] The disadvantage of the prior art is that a lot of work needs to be done on the mixing uniformity of the composite powder and the powder agglomeration problem before the compos...

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of the existing technology is that before the cladding of the composite powder, a lot of work needs to be done on the mixing uniformity of the composite powder and the problem of powder agglomeration, which leads to a long time-consuming in the early stage of cladding, a long cladding cycle and low efficiency

Images