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Inclined-grain thread rolling wheel with guide angle

A thread rolling wheel and guide angle technology, which is applied to threaded products, other household appliances, household appliances, etc., can solve the problems of low screw strength and easy breakage, and achieve a product that is not easy to break, good in quality, and high in strength. Effect

Inactive Publication Date: 2013-12-04
徐浩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the tooth depth of the thread rolling wheel is the same, that is, the depth from the top of the tooth to the root of the tooth is the same, so the strength of the rolled screw is not high, and it is easy to break

Method used

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  • Inclined-grain thread rolling wheel with guide angle
  • Inclined-grain thread rolling wheel with guide angle
  • Inclined-grain thread rolling wheel with guide angle

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] see Figure 1 ~ Figure 3 , the present invention contains a twill thread rolling wheel with a guide angle, comprising a thread rolling wheel body 1 and a center hole 2, the edge of the center hole 2 is provided with a keyway 3, the material of the thread rolling wheel body 1 is medium carbon steel, and the The cross-section of the thread rolling wheel body 1 is circular, and the outer surface of the thread rolling wheel body 1 is provided with tooth lines 4, and there are at least two tooth lines 4, and the tooth lines 4 are twill lines. Each tooth pattern 4 is arranged along the axial direction perpendicular to the central hole 2, and each tooth pattern 4 is divided into a tooth crest 5 and a tooth root 6, and the plurality of tooth crests 5 and the plurality of tooth roots 6 are located between straight lines There is a steering angle α.

[0020] The tooth depth of the twill thread rolling wheel with the guiding angle of the present invention becomes larger gradually...

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PUM

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Abstract

The invention relates to an inclined-grain thread rolling wheel with a guide angle. The wheel comprises a thread rolling wheel body (1) and a central hole (2). A key groove (3) is formed in the edge of the central hole (2). The section of the thread rolling wheel body (1) is annular, at least two tooth grains (4) are arranged on the outer surface of the thread rolling wheel body (1), each tooth grain (4) is an inclined grain and arranged in the axial direction perpendicular to the central hole (2), each tooth grain (4) is divided into a tooth top (5) and a tooth root (6), and the guide angle alpha is formed between straight lines of the plurality of tooth tops (5) and the plurality of tooth roots (6). The tooth depth of the inclined-grain thread rolling wheel becomes larger gradually, and the certain guide angle is formed, so that a rolled screw is high in strength, good in quality and not easy to break.

Description

(1) Technical field [0001] The invention relates to a thread rolling wheel, in particular to a twill thread rolling wheel with a guide angle. (2) Background technology [0002] The thread rolling wheel is a tool that uses metal plastic deformation to roll out threads on a thread rolling machine, and is suitable for processing high-strength bolts. At present, the tooth depth of the thread rolling wheel is the same, that is, the depth from the top of the tooth to the root of the tooth is the same, so the strength of the rolled screw is not high, and it is easy to break. (3) Contents of the invention [0003] The object of the present invention is to overcome the above-mentioned shortcomings, and provide a twill thread rolling wheel with a leading angle and a thread depth gradually increasing. [0004] The purpose of the present invention is achieved like this: [0005] A twill thread rolling wheel with a guide angle, comprising a thread rolling wheel body and a central hol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21H3/04
Inventor 徐浩
Owner 徐浩