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Bottom die used for boring and milling cone face of fixed bead hole

A bead hole and cone surface technology, which is applied in the field of tools for processing bead rings, can solve problems such as difficult processing

Inactive Publication Date: 2010-05-05
WUJIANG SHUANGJING BEARING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the control of the depth of the taper surface of the fixed bead hole is equivalent to the control of the depth of the blind hole, its processing is more difficult

Method used

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  • Bottom die used for boring and milling cone face of fixed bead hole
  • Bottom die used for boring and milling cone face of fixed bead hole
  • Bottom die used for boring and milling cone face of fixed bead hole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] like figure 1 and figure 2 As shown, the bottom mold in this embodiment includes a base plate 1 on which a threaded through hole 2 penetrating through the upper and lower sides of the base plate 1 is arranged, and an adjusting bolt 3 is threaded in the threaded through hole 2 .

[0012] Four support points 4 of equal height are attached to the upper side of the base plate 1 . Preferably, the above four fulcrums 4 are on the same circumference. Two of the fulcrums 4 are close to the threaded through hole 2 , distributed on both sides of the threaded through hole 2 , and equidistant from the threaded through hole 2 .

[0013] In addition, two positioning pins 5 on the same circumference are connected to the upper side of the bottom plate 1 .

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PUM

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Abstract

The invention discloses a bottom die used for boring and milling a cone face of a fixed bead hole. When the cone face of the fixed bead hole is processed by the bottom die, the depth of the processed cone face is easy to control, and the processing operation is convenient and quick. The bottom die comprises a bottom plate, wherein a screw thread through hole penetrating through the upper side face and the lower side face of the bottom plate is arranged on the bottom plate, and an adjusting bolt is connected in the screw thread through hole by screw threads; three or more than three supporting points with equal height are connected on the upper side face of the bottom plate; and in addition, two or more than two positioning pins which are positioned on the same circumference are connected on the upper side face of the bottom plate.

Description

technical field [0001] The invention relates to a tool for processing a bead ring, in particular to a bottom mold for boring and milling a bead hole cone on the bead ring. Background technique [0002] The cone surface of the bead hole is the main working surface of the bead ring, which requires high precision, and the depth of the cone surface is usually required to be controlled within the range of 0.1mm. Because the control of the depth of the taper surface of the fixed bead hole is equivalent to the control of the depth of the blind hole, its processing is more difficult. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a bottom mold for boring and milling the cone surface of the bead hole. When the bottom mold is used to process the cone surface of the bead hole, it is easy to control the depth of the processed cone surface, and the processing operation is convenient and fast. [0004] The present invention ...

Claims

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Application Information

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IPC IPC(8): B23Q3/18
Inventor 俞立群
Owner WUJIANG SHUANGJING BEARING
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