Press-fitting and locating mechanism and press-fitting method of wedge-shaped connecting rod bush

A technology of positioning mechanism and connecting rod bushing, which is applied in workpiece clamping devices, metal processing, metal processing equipment, etc. set spinning and other issues
CN102744592AActive Publication Date: 2012-10-24JIANGSU SONGLIN AUTOMOBILE PARTS
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
JIANGSU SONGLIN AUTOMOBILE PARTS
Publication Date
2012-10-24

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Abstract

The invention relates to a press-fitting and locating mechanism and a press-fitting method of a wedge-shaped connecting rod bush. The press-fitting and locating mechanism comprises a large-head locating mechanism, a small-head locating mechanism and a bush press-fitting and locating mechanism which are all placed on a working table, wherein the bush press-fitting and locating mechanism is pressed and fit with a central spindle having a split structure; a wedge-shaped bush is equipped on the spindle; a circumferential phase angle between a wedge-shaped slope of the bush and a location steel ball is finely adjusted by a stopper screw; a wedge surface phase angle of the wedge-shaped bush is adjusted by a compression screw; and then, the connecting rod bush is pressed and fit into a wedge-shaped connecting rod small-head hole located by the large-head and the small-head locating mechanisms. According to the invention, the press-fitting process is convenient, and the location is accurate.
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Description

technical field

[0001] The invention relates to a positioning and pressing device for a wedge-shaped connecting rod bushing, in particular to a press-fitting method for an engine connecting-rod bushing whose small head is a wedge-shaped structure and the bushing. Background technique

[0002] In the existing connecting rod wedge-shaped bush pressing fixture, the structure of the pressure head assembly is usually used: the pressure sleeve and the bush are installed on the pressure column body, and the pressure sleeve and the pressure column body are positioned and connected with the positioning pin. And the production deviation of the phase angle of the positioning pin hole of the pressure column body. Under the action of the wedge-shaped inclined surface of the pressure sleeve, the axis of the bush after positioning is not parallel to the axis of the small head hole of the connecting rod. For the correction of the inner cylindrical surface, the pressure only acts on a sm...

Claims

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