Wedged connecting rod bushing press fitting positioning mechanism

A positioning mechanism, connecting rod bushing technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problem that the outer circle of the bushing and the surface of the inner hole of the connecting rod cannot meet the design requirements, and the bushing rotates And other issues

Active Publication Date: 2012-10-17
JIANGSU SONGLIN AUTOMOBILE PARTS
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  • Abstract
  • Description
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Problems solved by technology

[0004] The above two situations will cause the fit between the outer circle of the pressed bush and the surface of the inner hole of the con...

Method used

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  • Wedged connecting rod bushing press fitting positioning mechanism
  • Wedged connecting rod bushing press fitting positioning mechanism

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Experimental program
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Embodiment Construction

[0018] The present invention will be further described below in conjunction with drawings and embodiments.

[0019] figure 1 , 2 As shown, a wedge-shaped connecting rod bushing press-fit positioning mechanism includes a working table 1, a connecting rod 2, a big head hole 201, a small head hole 202, a big head gasket 3, a diamond-shaped positioning pin 4, a pressure plate 5, a first cylinder 6, Second cylinder 7, small head positioning mandrel 8, compression retaining sleeve 9, fixed wedge-shaped positioning seat 10, movable wedge-shaped positioning seat 101, knurled screw 11, small head gasket 12, small head pre-positioning gasket 121, guide Seat 13, guide sleeve 14, pre-positioning screw 15, pre-positioning screw 24, intelligent press machine main shaft 16, pressure post 17, mandrel 18, compression screw 19, set screw 20, pressure sleeve 21, wedge bushing 22. The upper end of the work surface 1 is provided with a big head gasket 3 supporting the lower end of the big head ...

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Abstract

The invention relates to a wedged connecting rod bushing press fitting positioning mechanism, comprising a large-head positioning mechanism, a small-head positioning mechanism and a bushing press fitting positioning mechanism all arranged on the top of a worktable; the bushing press fitting positioning mechanism adopts a mandrel with a split structure for press fitting; a wedged bushing is mounted on the mandrel; a circumferential phase angle between the wedged inclined surface of a pressing sleeve and a positioning steel ball subjected to fine adjustment through a fastening screw; the wedge surface phase angle of the wedged bushing is adjusted through a hold-down screw; and the connecting rod bushing is press-fitted into a hole formed at the small head of the wedged connecting rod positioned by the large-head positioning mechanism and the small-head positioning mechanism. The wedged connecting rod bushing press fitting positioning mechanism is convenient for press fitting and accurate in positioning.

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 and positioning mechanism for an engine connecting rod bushing whose small head is a wedge-shaped structure. 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...

Claims

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Application Information

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IPC IPC(8): B23P19/027
Inventor 丁锋刘建华
Owner JIANGSU SONGLIN AUTOMOBILE PARTS
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