Fine abrasive water jet pulse type magnetic abrasive supply device and control method thereof

Abstract

The invention belongs to special processing technology, in particular to a fine abrasive water jet pulse type magnetic abrasive supply device used in precision magnetic abrasive water jet processing equipment. It is composed of silo, air source, pressure regulating valve, stop valve, pulse transmitter, electromagnetic control circuit, air supply pipe and material supply pipe; the air inlet of the pressure regulating valve is connected with the air source through a pipeline, and the pressure regulating valve The air outlet is connected to the air inlet of the cut-off valve through the pipeline, the outlet of the silo is connected to the throttle valve through the pipeline, the pulse emission device controls the throttle valve, and the outlet of the pressure stabilizing valve is connected to the electromagnetic control circuit through the pipeline. The present invention provides intermittent feeding through the pulse transmitter, which cooperates with the electromagnetic control circuit, thereby effectively solving the problem of feeding interruption and automatic feeding, and improving the processing accuracy.

Description

technical field [0001] The invention belongs to the technical field of special processing, in particular to a pulsed magnetic abrasive precision supply system applied to precision magnetic abrasive water jet processing equipment. Background technique [0002] With the continuous development of science and technology, especially the development of aerospace, precision instruments, national defense and other industries, new requirements are put forward for the processing accuracy and surface quality of some key parts. Abrasive water jet processing technology has small processing force , small thermal deformation of materials, etc., especially suitable for processing various heat-sensitive, pressure-sensitive, composite, superhard materials, etc., especially for hard and brittle materials such as cemented carbide, metal, silicate glass, ceramics, marble, fiber The processing advantages of composite materials are obvious, and their application in practical engineering is becomin...

AI Technical Summary

Problems solved by technology

[0011] In order to solve the above-mentioned problems, the technical solution of the present invention is: to design a kind of micro-abrasive water jet pulse type magnetic abrasive supply device. The purpose of the present invention is to overcome the shortcomings of the existing material supply system such as unstable material supply and poor controllability during use. Combining electromagnetic technology and pulse feeding technology, rationally design relevant structure and process parameters, optimize and control the distribution of abrasive in the feeding pipe, and drive abrasive flow by electromagnetic force, gas pressure and abrasive gravity to improve the feeding system. It provides a stable and precise micro-feeding device for the micro-abrasive water jet processing system, and promotes the application and development of abrasive water jet processing technology in micro-processing and ultra-precision processing.

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