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Datum plane and hole processing clamp for tricone bit legs

A technology of three-cone and hole processing, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems such as the difficulty of ensuring the consistency of the reference hole and the uneven milling amount of the tooth palm reference surface.

Active Publication Date: 2016-02-17
SHAREATE TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problems caused by the current positioning method are: 1) The amount of milling on both sides of the palm reference plane is uneven; 2) It is difficult to ensure the consistency of the reference hole position

Method used

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  • Datum plane and hole processing clamp for tricone bit legs
  • Datum plane and hole processing clamp for tricone bit legs
  • Datum plane and hole processing clamp for tricone bit legs

Examples

Experimental program
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Embodiment Construction

[0016] Such as Figure 2~3 As shown, the palm reference plane of the tricone bit and the hole processing fixture include the palm tip support and positioning part 4, the air jet hole positioning seat 1, the pressing block 3, the support screw 5 and the clamping arm 6, and the air jet hole positioning seat 1 and the palm tip support and positioning part 4 are arranged in front and rear relative to each other, the clamping arm 6 is set on the right side of the air jet hole positioning seat 1, the support screw 5 is set on the left side of the air jet hole positioning seat 1, and the compression block is set on the left side of the support screw 5 3. The pressure head of the compression block 3 is located above the support screw 5, and the tooth palm 2 is positioned on the support screw 5, the air jet hole positioning seat 1 and the palm tip support positioning part 4, and the air jet hole positioning seat 1 is formed to limit the tooth palm The palm tip support positioning point...

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PUM

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Abstract

The invention relates to a datum plane and hole processing clamp for tricone bit legs. A blowhole positioning seat and a leg tip positioning component are relatively arranged in front and back. A clamping arm is arranged on the right side of the blowhole positioning seat, and a support screw is arranged on the left side of the blowhole positioning seat. A pressing block is arranged on the left side of the support screw, and bit legs are positioned on the support screw, the blowhole positioning seat and the leg tip positioning component. Leg tip support positioning points used for limiting the rotational degree of freedom of the bit legs on the X direction are arranged on the blowhole positioning seat and positioned at the non-trimming parts of the bit legs. Positioning points used for limiting the moving degree of freedom of the bit legs on the X direction and positioned at the non-trimming parts of the bit legs. The clamping arm is used for straining the root of a shaft head of each bit leg in a contacting manner, the support screw is used for supporting the front end part of each bit leg, and the pressing head of the pressing block is used for being pressed in a pulp hole in the end surface of a screw thread at the front end part of each bit leg. The positioning points completely avoid the trimming part of each bit leg, and the influence of the residual trimming of a bit leg forge piece on datum plane and hole processing of the bit legs is solved.

Description

technical field [0001] The invention relates to a tricone bit palm reference surface and a hole processing fixture. Background technique [0002] The palm datum plane and the hole are the first process of tooth palm processing, and are also the positioning reference of the subsequent process of tooth palm processing. Such as Figure 1a , 1b As shown, the centerline A of the palm reference hole, and the centerline B of the palm reference plane. [0003] The problems caused by the current positioning method are: 1) The amount of milling on both sides of the palm reference plane is uneven; 2) It is difficult to ensure the consistency of the reference hole position. Contents of the invention [0004] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a tricone bit palm reference plane and a hole processing fixture, which can meet the uniform milling of the palm reference plane and the consistent processing and positioning of th...

Claims

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Application Information

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IPC IPC(8): B23Q3/08
CPCB23C2270/08B23Q3/062B23Q3/082B23Q2703/04
Inventor 王伟曹之科
Owner SHAREATE TOOLS
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