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Broaching tool imitating shape of mantis mouthparts palate and preparation method of broaching tool imitating shape of mantis mouthparts palate

A mantis and configuration technology, applied to broaches, broaching machines, manufacturing tools, etc., can solve the problems of reducing the service life of tools, failing to improve the force distribution of broaching tools, and large loads

Active Publication Date: 2016-08-31
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The composite broach has good heat dissipation and crack resistance, but the distribution of the reinforcing table makes the load on the cutting edge larger, which reduces the service life of the tool. Force distribution of the knife

Method used

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  • Broaching tool imitating shape of mantis mouthparts palate and preparation method of broaching tool imitating shape of mantis mouthparts palate
  • Broaching tool imitating shape of mantis mouthparts palate and preparation method of broaching tool imitating shape of mantis mouthparts palate
  • Broaching tool imitating shape of mantis mouthparts palate and preparation method of broaching tool imitating shape of mantis mouthparts palate

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] like figure 1 As shown, the broach imitating the structure of the mantis mouthparts upper jaw is mainly composed of a handle 1 and a tool head 2 . like figure 2 As shown, the tooth portion of the cutter head 2 is divided into a rough drawing area L1, a semi-finish drawing area L2 and a fine drawing area L3 from the tail to the head. Between the depth and the alveolar depth in the fine drawing area, and the alveolar depth in the rough drawing area is the largest.

[0028] like Figure 3-1 As shown, the top surfaces of all the teeth are equipped with grooves arranged equidistantly; on the same tooth, the area of ​​the bottom surface of the groove is equal to the area of ​​the top surface (hatching part) of the ungrooved portion between adjacent grooves ; On the same longitudinal section of the cutter head 2, the position of the groove on each cutter tooth cor...

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Abstract

The invention discloses a broaching tool imitating the shape of a mantis mouthparts palate and a preparation method of the broaching tool imitating the shape of the mantis mouthparts palate. An existing broaching tool is large in workload, and abrasion of the tool is serious. Grooves are formed in the top faces of tool teeth of the broaching tool; the rise per tooth of a tool tooth part of a tool head is in arithmetic progression distribution; in the direction from a tooth crest to a tooth groove, the gradient change of the area of the cross section of the tool teeth of the tool head and the gradient change of the area of the cross section of the mantis palate are consistent; and the compactness and the hardness of the surfaces of the tool teeth of the tool head are both larger than those of the interior. The preparation method of the broaching tool includes the steps that a mantis palate three-dimensional curved surface model is constructed, the area gradient of the mantis palate is acquired, the area gradient of the tool teeth of the tool head in the direction from the tooth crest to the tooth groove is determined, and the outline of the tool teeth is designed according to the area gradient of the toot teeth; the multiple grooves are machined in the top face of each tool tooth; on the same longitudinal cross section of the tool head, the positions of the grooves in each tool tooth correspond to the top faces of the portions, not provided with grooves, of the tool teeth; and heat treatment of the tool head is performed. The cutting performance of the broaching tool is optimized, the cutting load is reduced, and the service life of the broaching tool is prolonged.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and relates to a broach and a preparation method thereof, in particular to a broach imitating the upper jaw configuration of a praying mantis mouthpart and a preparation method thereof. Background technique [0002] Broaching is a type of machining operation that uses a broaching machine (broach) to process various internal and external forming surfaces. A broaching machine is a metal cutting machine tool used to create holes or keyways. During processing, generally the workpiece does not move, and the broach performs linear cutting motion. When broaching, the machine tool only has the linear motion of the broach, which is the main motion of the machining process, and the feed motion is realized by the structure of the broach itself. The broach is the key component. The broach is a forming tool used for broaching. There are knife teeth distributed on the broach. When the broach is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D43/02B23P15/42
CPCB23D43/02B23P15/42
Inventor 倪敬刘国栋杨永丰肖婧
Owner HANGZHOU DIANZI UNIV
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