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Tool for press mounting fixed ring of automobile shock absorber piston rod and press mounting method

A technology for automobile shock absorbers and piston rods, which is applied in the direction of shock absorbers, springs/shock absorbers, shock absorbers, etc., can solve problems such as scratches on piston rod components, improve service life, reduce cleaning difficulty, Avoid the effect of scratching

Inactive Publication Date: 2019-03-22
SICHUAN NINGJIANG SHANCHUAN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a tooling for pressing the fixing ring of the piston rod of the automobile shock absorber, so as to solve the problem that the existing tooling for pressing the fixing ring easily causes scratches, flashes, burrs and iron filings problem

Method used

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  • Tool for press mounting fixed ring of automobile shock absorber piston rod and press mounting method
  • Tool for press mounting fixed ring of automobile shock absorber piston rod and press mounting method
  • Tool for press mounting fixed ring of automobile shock absorber piston rod and press mounting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] like image 3 As shown, a tooling for press-fitting a fixing ring of an automobile shock absorber piston rod includes a first tooling assembly and a second tooling assembly, the first tooling assembly includes a lower support block 2 and a lower fixing plate 1, and the lower support The block 2 is screwed to the upper part of the lower fixing plate 1, and the lower fixing plate 1 is connected to the working surface of the hydraulic press through bolts. The second tooling assembly includes an upper pressing plate A8 and an extrusion slider 4, and the upper pressing plate A8 is detachably arranged On the upper end face of the extruding slider 4, a first spring 5 is arranged inside the extruding slider 4, and an extruding pendulum 3 is arranged on the inner side of the first spring 5, and the extruding slider 4 is inside the first The upper end of the spring 5 is provided with a positioning slider 6, and the positioning slider 6 is threadedly connected with the outer wall ...

Embodiment 2

[0059] like Figure 4 As shown, a tooling for press-fitting a fixing ring of an automobile shock absorber piston rod includes a first tooling assembly and a third tooling assembly, the first tooling assembly includes a lower support block 2 and a lower fixing plate 1, and the lower support The block 2 is screwed to the upper part of the lower fixing plate 1, and the lower fixing plate 1 is connected to the working table of the hydraulic press through bolts. The third tooling assembly includes an upper pressing plate B9 and an extrusion slider 4, and the upper pressing plate B9 is detachably arranged. On the upper end face of the extruding slider 4, a first spring 5 is arranged inside the extruding slider 4, and an extruding pendulum 3 is arranged on the inner side of the first spring 5, and the extruding slider 4 is inside the first The upper end of the spring 5 is provided with a positioning slider 6, and the positioning slider 6 is threadedly connected with the outer wall of...

Embodiment 3

[0066] like Figure 3-7 As shown, this embodiment is based on Embodiment 1 or Embodiment 2, the outer wall and the inner wall of the extruded part 31 are both quenched and hardened, and the first slope is quenched and hardened; the outer wall and the inner wall of the extruded part 31 are The inner walls are all designed with chamfers; the extruded pendulum block 3 is provided with a plurality of slots 32 at the place where the extruded part 31 is arranged, and the slots 32 are arranged along the radial direction of the extruded pendulum block 3; The inner wall of the pendulum block 3 is milled with an elliptical groove 33; the inner wall of the extrusion slider 4 adopts a hollow step design; the outer wall of the positioning slider 6 is provided with an annular oil storage tank 61; the upper part of the lower support block 2 and The lower parts are all designed with counterbore holes, wherein the upper counterbore holes are designed with chamfers, the upper counterbore holes ...

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Abstract

The invention discloses a tool for a press mounting fixed ring of an automobile shock absorber piston rod and a press mounting method. The tool comprises a first tool assembly and a second tool assembly, wherein the first tool assembly comprises a lower support block and a lower fixed plate, the second tool assembly comprises an upper pressing plate A and an extrusion sliding block, a first springis arranged on the inner side of the extrusion sliding block, an extrusion swing block is arranged on the inner side of the first spring, a positioning sliding block is arranged in the extrusion sliding block and on the upper end of the first spring, the extrusion swing block is made of spring steel, a first inclined plane is formed on the inner wall of a lower end opening of the extrusion sliding block, an extrusion part is arranged on the lower end of the extrusion swing block, a second inclined plane which is matched with the first inclined plane is formed on the outer wall of the extrusion part, the upper pressing plate A, the extrusion sliding block, the positioning sliding block and the extrusion swing block are all of ring structures, and the upper pressing plate A is of a circularring structure. According to the tool, the problem of easiness in generating scratches, trimming, burrs and scrap iron of a piston rod assembly by an existing tool for the press mounting fixed ring when the piston rod assembly is manufactured is solved.

Description

technical field [0001] The invention relates to the technical field of auto parts manufacturing, in particular to a tooling for press-fitting a fixed ring of a piston rod of an automobile shock absorber and a press-fitting method. Background technique [0002] The piston rod assembly of the automobile shock absorber includes a piston rod and a fixing ring. The manufacture of the piston rod assembly requires the fixing ring to be pressed into the pre-processed groove in the piston rod through tooling. The process and key of press-fitting the fixing ring of the front shock absorber directly affect the quality of the piston rod assembly. [0003] The existing tooling for press-fitting the fixed ring comprises a lower support seat, a hydraulic press and a pressure head (such as figure 1 shown), the pressing process is: [0004] First put the fixed ring on the piston rod, and place the piston rod on the lower support seat so that the lower support seat can support the fixed rin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/32B23P19/027
CPCF16F9/3271B23P19/027F16F9/3221
Inventor 吴双兰宗太
Owner SICHUAN NINGJIANG SHANCHUAN MACHINERY