Tool unclamping device using ball screw for transmission

Abstract

The invention discloses a tool unclamping device using a ball screw for transmission. The tool unclamping device comprises a cylinder body and a piston rod, the cylinder body is provided with a front cover and a rear cover, a lead screw is arranged in the cylinder body, the lead screw is connected with a lead screw nut in a sleeving mode, the lead screw is connected with a driving mechanism for driving the lead screw to rotate, a containing cavity for containing the other end of the lead screw is formed in the piston rod, the piston rod is connected with the lead screw nut through a piston, a guide rod penetrates through the piston, the front cover is connected with a pressurizing cylinder, the pressurizing cylinder is provided with a pressurizing cylinder end cover, a connector opening is formed in the side wall of the pressurizing cylinder end cover, the piston rod can penetrate through the front cover to enter into the pressurizing cylinder, and an oil cavity is formed from the front end of the piston rod to the connector opening. According to the device, thrust is generated through spiral movement of the lead screw and the lead screw nut to achieve movement of the piston rod, the lead screw and the lead screw nut are good in transmission stability, high in precision and free of creeping, the whole unclamping device operates stably, the operation stability of an execution element is guaranteed, the unclamping device is free of noise pollution, suitable for occasions with high precision requirements and suitable for popularization and application, and the device is especially suitable for machining centers.

Description

technical field [0001] The invention relates to the technical field of machining center equipment, and more specifically relates to a knife driver driven by a ball screw. Background technique [0002] The knife beater is a widely used gas-liquid conversion device, which provides high-pressure oil to the actuator through the knife beater, and is mainly used for the tool change action of the machining center. [0003] There are many kinds of knife punches on the market, and the traditional knife punches use the air control system as the pressure source. As we all know, the air is compressible, and it is because of this characteristic that the "crawling" phenomenon will occur when the shaft is actuated, which will affect the smoothness of the movement of the actuator. In addition, the traditional type of knife beater is switched through the solenoid valve, and the solenoid valve will emit a loud exhaust sound, causing noise pollution. [0004] Therefore, for avoiding above-me...

AI Technical Summary

Problems solved by technology

As we all know, air is compressible. It is because of this characteristic that the "crawling" phenomenon occurs when the shaft moves, which affects the smoothness of the movement of the actuator.

In addition, the traditional type of knife is changed by the solenoid valve, and the solenoid valve will emit a loud exhaust sound, causing noise pollution

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