Adjustable axial jacking clamp arranged in hollow power chuck

Abstract

The invention discloses an adjustable axial jacking clamp arranged in a hollow power chuck. The clamp comprises a cylinder body, a flange, a core shaft, a spring, a screw plug and a jacking block, wherein the cylinder body is inserted into the inner hole of the hollow power chuck, and the flange, the core shaft, the spring, the screw plug and the ejection block are matched with the cylinder body. The core shaft arranged in the barrel body is provided with a spring in a sleeved mode, and the screwed screw plug presses the spring to form an axial telescopic adjusting structure. The right shaft end of the core shaft is a short cone shaft, and the short cone shaft is matched with the flange. The jacking block is located on one side of the outer end face of the hollow power chuck and is located on the same axis as the core shaft, the jacking block moves along with a numerically-controlled lathe tool turret, the end surface, towards a workpiece, of the jacking block is moved to an end point position, and the position is a set positioning reference surface, so that a positioning structure for jointly restraining the workpiece by the flange and the jacking block is formed. Due to the fact that the jacking block arranged on the numerically-controlled lathe tool turret is high in positioning precision, and the positioning requirements of the workpiece are met, so that the workpiece can be accurately, reliably and efficiently positioned and installed, the subsequent machining is facilitated, and the machining quality of the workpiece is ensured to be stable.

Description

technical field [0001] The invention belongs to the technical field of machining fixtures. Specifically, the invention relates to an axial tightening fixture, in particular to an adjustable axial tightening fixture arranged in a hollow power chuck. Background technique [0002] With the development of the times, the machining capacity of the machinery manufacturing industry has been greatly improved, especially for enterprises with mass production needs. In order to achieve high-efficiency processing, CNC equipment is usually purchased, such as CNC lathes with high automation performance have been popularized sexual application. Commercially available CNC lathes are generally equipped with hollow power chucks, which can automatically, efficiently and accurately clamp workpieces whose outer circle is the positioning reference. However, in reality, the positioning reference of some components is not the outer circle, but the end face of the workpiece. For example, the wheel ...

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly aims at the lack of single function of the existing commercially available hollow power chuck, and proposes an adjustable axial clamping fixture placed in the hollow power chuck. The structure is compact and reasonable, and the action is flexible and reliable. The workpiece in place is the positioning

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