Lower wire guiding arm of large-taper medium-speed wire cut electrical discharge machine

Abstract

The invention provides a lower wire guiding arm of a large-taper medium-speed wire cut electrical discharge machine. The lower wire guiding arm comprises a suspending supporting mechanism, a transverse deflection mechanism, a longitudinal deflection mechanism and a wire guiding mechanism; the suspending supporting mechanism is fixedly installed on a machine frame, the transverse deflection mechanism is arranged on the suspending supporting mechanism, the longitudinal deflection mechanism is arranged on the transverse deflection mechanism, and the wire guiding mechanism is arranged on the longitudinal deflection mechanism; and the wire guiding mechanism deflects together with the longitudinal deflection mechanism, the longitudinal deflection mechanism deflects together with the transverse deflection mechanism, and a wire guiding nozzle of the wire guiding mechanism of the lower wire guiding arm is arranged in a wire guiding nozzle base. According to the lower wire guiding arm, through the cooperation of an adjusting plate, the position of the wire guiding nozzle can be conveniently and finely adjusted, and moreover, disassembling and assembling are convenient; and a guide wheel of the lower wire guiding arm adopts a guide wheel positioning block and a guide wheel pressing block for cooperative installation so that adjustment can be carried out conveniently, the movement flexibility and stability of the wire guiding arm can be improved, and the direction of an electrode wire can be conveniently adjusted.

Description

technical field [0001] The invention relates to wire-cutting equipment, in particular to a lower guide wire arm of a medium-feeding wire-cutting machine tool with large taper. Background technique [0002] The wire electric discharge machine tool uses molybdenum wire or hard brass wire as the electrode wire. Under the action of high-frequency pulse voltage, the liquid medium is broken down to form an electric spark discharge, and heat is generated at the same time to partially melt the metal on the surface of the workpiece. The cutting fluid flushes the cutting part, and the controller controls the movement of the electrode wire to form a preset shape and size on the workpiece. Due to the harsh working environment of wire cutting, the corrosiveness of the working fluid is strong, and water and debris are easy to enter the machine tool, which makes the machine tool easy to age and has a high electrical failure rate. At the same time, the moving parts are controlled by motors...

AI Technical Summary

Problems solved by technology

Due to the harsh working environment of wire cutting, the corrosiveness of the working fluid is strong, and water and debris are easy to enter the machine tool, which makes the machine tool easy to age and has a high electrical failure rate.

At the same time, the moving parts are controlled by motors respectively, and the motors are not coordinated with each other, which makes it difficult to improve the cutting accuracy

The lower guide wire arm of the cutting machine tool is closer to the machine tool body, and is more prone to failure than the upper guide wire arm. Therefore, it is necessary to optimize the structure of the lower guide wire arm of the cutting machine tool to overcome the above defects

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