Assembling device for steel wire check ring for hole

Abstract

The invention discloses an assembling device for a steel wire check ring for a hole. The assembling device comprises a sleeve, a mandrel, an ejector rod, a fastening bolt, a butterfly nut and a gasket; an inner hole of the sleeve is a conical hole section, an arc-shaped groove and a straight hole section; the mandrel penetrates through the inner hole of the sleeve and an inner hole of the ejector rod; the arc-shaped groove is formed in the shaft section of the mandrel; the outer portion of the ejector rod is in a stepped shaft type; the thin shaft end penetrates into the conical hole section of the sleeve; the fastening bolt is in a stepped shaft type; the thick shaft end face makes contact with the end face of the mandrel; the thin shaft end is provided with a thread; the two ends of the thin shaft end are provided with linear grooves; the butterfly nut is matched with the mandrel; and the two end faces of the gasket make contact with the thick shaft end face of the ejector rod and the end face of the butterfly nut respectively. On the basis that the product surface quality requirement, the small product hole diameter and the deep hole position are considered, the assembling device for the steel wire check ring for the hole is provided, the assembling accuracy and the assembling efficiency of the steel wire check ring for the hole are improved, the product surface is prevented from being damaged, the product percent of pass is greatly increased, and the rejection rate of the check ring is reduced.

Description

technical field [0001] The invention belongs to the technical field of retaining ring assembly, and relates to an assembly device for a steel wire retaining ring for holes. Background technique [0002] In the assembly process of various product parts, the assembly work of steel wire retaining rings for holes is very common, the workload is relatively large, and the product must not be damaged or bumped during the assembly process. At the same time, the assembly accuracy of the retaining ring and Assembly efficiency also puts forward higher requirements. Most of the existing assembly methods of steel wire retaining rings for holes use calipers to clamp the retaining ring and put it into the inner groove of the round hole, but this method is very easy to scratch the inner surface of the product, and the retaining ring is very easy to slip off from the caliper. [0003] In view of the shortcomings and deficiencies of the existing methods, Chinese patent application CN10728335...

AI Technical Summary

Problems solved by technology

However, when this method is applied to the assembly of retaining rings with small holes, deep holes or special product structures, there is a certain space limitation, and after repeated use, it is easy to cause a high scrap rate of the retaining ring, and the guide sleeve is prone to wear and deformation thereby scratching the inner surface of the product

[0004] Chinese patent application CN201455625U discloses a quick installation device for steel wire retaining rings for holes. The proposed installation device including cylinders, brackets and other structures is not suitable for precise and small product parts due to the large overall structure of the device.

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