Elastic pin press-fitting base

An elastic pin, press-fit technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of pin hole deformation, pin jamming, etc. Effect

Pending Publication Date: 2022-04-12
柳州上汽汽车变速器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an elastic pin press-fitting base, which can solve the problems of the existing elastic pin press-fitting base that the guide pin holes are easily deformed and the guide pins are stuck

Method used

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  • Elastic pin press-fitting base
  • Elastic pin press-fitting base
  • Elastic pin press-fitting base

Examples

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Embodiment Construction

[0030] In the transmission assembly, the elastic pins and the elastic pin holes of the connecting parts have a large interference fit, and iron filings will be generated during the press-fitting process. The present invention solves the jamming deformation problem by providing a chip removal structure on the press-fitting base. The present invention will be described in further detail below in conjunction with accompanying drawing embodiment:

[0031] figure 1 with figure 2 The elastic pin pressing base shown mainly includes a bottom plate 1, a positioning block 4, a guide pin 5 and a spring 6. The positioning block 4 is fixed and installed on the bottom plate 1 by a plurality of bolts. Positioning pin 2 for inserting and positioning; in order to improve the stability of press-fitting, a support block 3 opposite to the positioning block 4 is also fixedly connected to the base plate 1 through bolts, and the support block 3 is provided with a matching pin for the press-fitting...

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Abstract

The invention discloses an elastic pin press-fitting base, which relates to the technical field of transmission assembly tools and comprises a positioning block fixed on a bottom plate, a press-fitting positioning groove is arranged on the positioning block, a limiting hole and a guide hole are coaxially arranged in the positioning block, a spring in sliding fit is placed in the limiting hole, and a guide pin is mounted in the guide hole in a penetrating manner. A limiting head of the guide pin abuts against the spring, and the upper end of the guide pin is inserted into the press-fitting positioning groove. The positioning block is provided with a chip removal hole communicated with the guide hole, and the chip removal hole forms a chip removal opening in at least one side wall of the positioning block; the guide pin comprises a small-diameter section, a large-diameter section and a limiting head which are arranged from top to bottom, the guide hole comprises an upper guide hole and a lower guide hole which are separated by a chip removal hole, the hole diameter of the upper guide hole is larger than the diameter of the elastic pin, a chip removal gap is reserved between the upper guide hole and the small-diameter section, and the large-diameter section is in sliding fit with the lower guide hole. The elastic pin press-fitting base solves the problems that in an existing elastic pin press-fitting base, a guide pin hole is prone to deformation, and a guide pin is prone to being stuck.

Description

technical field [0001] The invention relates to the technical field of transmission assembly tooling, in particular to a base for press-fitting elastic pins. Background technique [0002] In the transmission assembly, elastic pins are often used to connect two parts to prevent relative movement or rotation of the two parts. In the assembly process, tooling is needed to press-fit the elastic pin. The existing tooling for pressing the elastic pin includes a bottom plate, a positioning block, a guide rod and a spring. The positioning block is fixed on the bottom plate. There is a press-fit positioning slot in the positioning block. A limit hole for placing the spring is opened at the lower part of the positioning block. A guide hole is connected between the limit hole and the press-fit positioning slot. The limit end of the guide rod is connected with the upper end of the spring in the limit hole. , the other end goes through the guide hole and extends into the press-fit posit...

Claims

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Application Information

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IPC IPC(8): B23P19/02B23P19/00
Inventor 莫国田何禧刘思华朱广德
Owner 柳州上汽汽车变速器有限公司
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