A mixing heating device and method for 3D printing micro-grinding wheel

Abstract

A material mixing and heating device and method for 3D printing fine grinding wheels, characterized in that it includes a wire feeding mechanism, the lower end of the wire feeding mechanism is connected to a throat pipe I, and the throat pipe I and the pipe body I are connected by threads, The tube body I is connected to a heating block, and the left and right sides of the heating block are respectively equipped with a heating rod I and a heating rod II, and the heating block is installed with a thermocouple. The heating block is respectively connected with the heat insulation block and the pipe body II, the heat insulation block is connected with the reducer, the reducer is connected with the motor and the screw agitator, and the lower end of the screw agitator is equipped with a fine nozzle. The pipe body II is connected to the throat II by threads, and the upper end of the throat II is provided with a charging funnel, and the upper end of the charging funnel is connected to the high-pressure air pump through an air injection pipe, and a valve I is provided at the opening of the lower end, and the air injection pipe Connect with the diamond abrasive storage funnel. The lower opening of the diamond abrasive storage funnel is provided with a valve II. Using fused deposition modeling technology, by controlling the mixing ratio of diamond abrasive grains and molten resin binder and stirring evenly, it can well produce fine resin diamond grinding wheels with uniform distribution of abrasive grains, which can be used for high-efficiency precision grinding, which can be effectively Grinding tiny inner holes and complex surfaces accurately, and the grinding surface has a high finish.

Description

technical field [0001] The invention relates to a material mixing heating device and method, in particular to a material mixing heating device and method for 3D printing fine resin diamond grinding wheels. Background technique [0002] At present, the production process of diamond grinding wheel mainly includes sintering, electroplating and brazing. Various diamond grinding wheel preparation processes have advantages, but there are also shortcomings. The sintered diamond grinding wheel has shrinkage and deformation during the sintering process; the diamond abrasive grains of the electroplated diamond grinding wheel have a small holding force and a large load, and are easy to fall off during grinding; The consistency of layer thickness and the uniformity of abrasive distribution are still difficult to effectively control. The traditional diamond grinding wheel preparation process has problems such as small mold cavity space, difficult molding of materials and uneven distrib...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems such as difficulty in molding and uneven distribution of abrasive grains in the traditional preparation process of fine diamond grinding wheels, the present invention proposes a mixing heating device and usage method for 3D printing fine resin diamond grinding wheels

Images