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Tap Tap Slightly Grinding Forming Mechanism

A forming mechanism and tap technology, which is applied in the field of tap grinding and forming mechanism, can solve the problems of high tool manufacturing cost, low tool manufacturing precision and low production efficiency, and achieve the effect of cost reduction

Active Publication Date: 2018-08-28
CHENGDU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently commonly used tap grinding and forming mechanism requires a complex mechanical structure and control system to coordinate step by step to complete the feeding movement of the three-lobed cutting edge section forming in sequence. The tool manufacturing accuracy and production efficiency are low, and the tool manufacturing cost is high.

Method used

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  • Tap Tap Slightly Grinding Forming Mechanism
  • Tap Tap Slightly Grinding Forming Mechanism
  • Tap Tap Slightly Grinding Forming Mechanism

Examples

Experimental program
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Embodiment Construction

[0012] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0013] Such as figure 1 , figure 2 and image 3 As shown, the tap grinding forming mechanism includes two modules of the cam mechanism 2 and the swing mechanism 1. The cam mechanism 2 and the swing mechanism 1 are connected together by side tension springs so that the two continue to keep in contact when they work. The two tops of the swing mechanism 1 are equipped with taps to be ground. There is a certain distance between the connecting center line of the two tops of the swing mechanism 1 and the rotation support axis line of the whole swing mechanism. Under the impetus of the ejector rod 5 of the mechanism 2, it swings intermittently around the rotation support axis of the swing mechanism; the three-lobed cam 7 in the cam mechanism 2 is fixed circumferentially by the key 6 and is fixed with the bolt 8, the nut 11, the washer 10 and the The sha...

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PUM

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Abstract

The invention belongs to the technical field of cutter manufacturing, and in particular, relates to a screw tap tip grinding forming mechanism. A cam mechanism includes an ejector rod, a cam and a shaft; the profile of the cam takes the shape of three parts; the lift of each part is corresponding to a cross section tooth shape in screw tap machining; and the cam is fastened on a shaft by a bolt for limiting movement of the cam in the axial direction of the shaft. The lower end of the ejector rod is positioned on the profile surface of the cam, and the upper end is connected with an ejector block on a swing mechanism; and the ejector rod is coated with a sealing cover. In the screw tap tip grinding forming mechanism provided by the invention, a motor for driving the cam to rotate and a motor for driving a screw tap to rotate select the same one model number and guarantee the same rotating speed, so that the needed machining requirements can be realized; and a control system for controlling the motor rotating speed is not needed, so that the production equipment cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of cutting tools, and in particular relates to a tap grinding and forming mechanism. Background technique [0002] A tap is a tool for machining internal threads, and the main cutting work is undertaken by the cutting cone. The cross-sectional tooth profile of the three-lobed cutting edge of the cutting cone is exactly the same, and the arc of the cross-sectional profile of the cutting edge is an Archimedes spiral. The currently commonly used tap grinding and forming mechanism requires a complex mechanical structure and control system to coordinate step by step to complete the feeding movement of the three-lobed cutting edge section forming in sequence. The tool manufacturing accuracy and production efficiency are low, and the tool manufacturing cost is high. Contents of the invention [0003] The purpose of the present invention is to reduce the cost of production equipment, to provide a kind of cutting ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B3/18B24B47/20
CPCB24B3/18B24B47/20
Inventor 喻洪平唐毅谦唐茂雷霖莫莉冉龙姣
Owner CHENGDU UNIV