Lathe fixture used for machining ensuring for hard-pipe slender shaft parts

Abstract

The invention discloses a lathe fixture used for machining ensuring for hard-pipe slender shaft parts. The lathe fixture used for machining ensuring for the hard-pipe slender shaft parts comprises a fixed tip and a movable tip, wherein the fixed tip comprises a fixed main shaft clamping part, a fixed part location clamping part and a part transmission pin, wherein the fixed part location clampingpart is arranged at the front end of the fixed main shaft clamping part; one end of the part transmission pin is arranged at the front end of the fixed main shaft clamping part; the movable tip comprises a standard movable tip and a movable part location clamping part; and the movable part location clamping part is arranged at the front end of the standard movable tip. The lathe fixture used for machining ensuring for the hard-pipe slender shaft parts is capable of avoiding pull damage to inner holes of the hard-pipe slender shaft parts well, so that the clamping deformation of the parts is reduced, and the purpose of machining ensuring with coaxiality (Phi0.05) is solved well, and the pass percent is 100%; and in addition, the lathe fixture used for machining ensuring for the hard-pipe slender shaft parts has the characteristics of being rapid to clamp and detach, and free from damage to the location inner holes, and the machining efficiency is increased by more than four times.

Description

technical field [0001] The invention relates to the technical field of machining fixtures, in particular to a lathe fixture used for the processing guarantee of hard tube slender shaft parts. Background technique [0002] Hard pipe parts external thread M10×1-6h hole to inner hole The coaxiality is φ0.05. In the previous processing of connecting bushings, because the parts are slender and the outer circle is threaded, it is not possible to use thread positioning processing. Bore. On the one hand, it is easy to damage the thread, and on the other hand, the threaded tire has a large fit clearance, which cannot meet the requirement of coaxiality φ0.05. Therefore, it is usually processed first by drilling and twisting. inner hole, then positioned through the mandrel The inner hole is threaded. Using this method to process the connecting shaft sleeve (hard pipe), it is easy to cause deviation, Poor bore straightness. When using the mandrel to position and process ...

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: To propose a lathe fixture used for the processing of hard tube slender shaft parts to solve the problem that the precision of the inner hole of the hard tube thread and the coaxiality cannot be reached when processing the hard tube slender shaft parts. At the same time, it is used to solve the problem of inner holes that are difficult to clamp and disassemble parts during processing, and are easy to be strained.

Images