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Device and method for pressing threads at two ends of hard alloy cylinder simultaneously

A cemented carbide and thread technology, which is applied in the field of cemented carbide thread processing, can solve the problems of low thread machining accuracy and machining efficiency, and it is difficult to process threads with cemented carbide cylinders at the same time, so as to achieve high machining accuracy and machining efficiency, and improve the Processing efficiency, the effect of satisfying the matching degree

Pending Publication Date: 2019-01-04
GUANGXI WUZHOU GANGDE HARD ALLOY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems of low processing accuracy and processing efficiency of existing cemented carbide cylinder threads, and it is difficult to simultaneously process threads at both ends of a cemented carbide cylinder, and provides a device and method for simultaneously pressing threads at both ends of a cemented carbide cylinder

Method used

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  • Device and method for pressing threads at two ends of hard alloy cylinder simultaneously
  • Device and method for pressing threads at two ends of hard alloy cylinder simultaneously
  • Device and method for pressing threads at two ends of hard alloy cylinder simultaneously

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0026] Such as Figure 1-4 As shown, a device for simultaneously pressing threads at both ends of a cemented carbide cylinder is characterized in that it includes a first plug 1, a first threaded mandrel 2, a second plug 6, a second threaded mandrel 5 and elastic Die sleeve 3, in the state of use, the first plug 1, the first threaded mandrel 2, the second plug 6 and the second threaded mandrel 5 are all coaxial with the elastic die sleeve 3; the first plug 1 and The second plugs 6 are respectively located at both ends of the elastic mold sleeve 3, and respectively fix the first threaded mandrel 2 and the second threaded mandrel 5, and the first threaded mandrel 2 and the second threaded mandrel 5 are connected along the axial direction , Thread teeth are provided on the first threaded mandrel 2 and the second threaded mandrel 5 .

[0027] The method for pressing the screw thread by using the device for simultaneously pressing the screw thread at both ends of the cemented carb...

Embodiment approach 2

[0030] Such as figure 1 As shown, on the basis of Embodiment 1, the diameters and directions of the threads on the first threaded mandrel 2 and the second threaded mandrel 5 are the same, so that the size of the threads formed when the cemented carbide powder 4 is pressed is the same, and Threads that also have the same thread direction.

Embodiment approach 3

[0032] Such as figure 2 As shown, the thread diameters on the first threaded mandrel 2 and the second threaded mandrel 5 are the same, but in different directions, so that the cemented carbide powder can form threads with the same thread size and different thread directions when pressed.

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Abstract

The invention discloses a device and method for pressing threads at the two ends of a hard alloy cylinder simultaneously. The device is characterized in that a first plug, a first threaded core shaft,a second plug, a second threaded core shaft and a die sleeve are included; in the using state, the first plug, the first threaded core shaft, the second plug and the second threaded core shaft are all coaxial with the die sleeve; the first plug and the second plug are located at the two ends of the die sleeve correspondingly and fix the first threaded core shaft and the second threaded core shaftcorrespondingly; the first threaded core shaft and the second threaded core shaft are connected in the axis direction; and threaded teeth are arranged on the first threaded core shaft and the secondthreaded core shaft. Hard alloy powder is pressed into the threads, operation is easy, and the machining precision and efficiency are high; and by changing the diameter and direction of the threaded teeth on the two threaded core shafts, the threads with different needs can be obtained at the two ends of the hard alloy cylinder simultaneously, the machining efficiency is greatly improved, and meanwhile the matching degree of the hard alloy cylinder to various different threaded connectors is met.

Description

technical field [0001] The invention belongs to the field of cemented carbide thread processing, and in particular relates to a device and method for simultaneously pressing threads at both ends of a cemented carbide cylinder. Background technique [0002] At present, the internal thread of the cemented carbide cylinder is usually processed by cutting, which has low work efficiency and low processing accuracy. When the cemented carbide cylinder is in use, its two ends are usually connected to different types of components. Different components have different requirements for the structure and size of the internal thread at both ends of the cemented carbide cylinder. Separate cutting is usually used when processing, and its processing efficiency is low and the precision is not high. Contents of the invention [0003] The present invention aims at the problems of low processing accuracy and processing efficiency of existing cemented carbide cylinder threads, and it is diffi...

Claims

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Application Information

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IPC IPC(8): B22F3/04B22F5/06B22F3/03
CPCB22F3/03B22F3/04B22F5/06
Inventor 陈德勇吴立雄苗江梅欧锦超谢汉雄何瑞明石展飞李接林陈烽邓智勇甘兴帮潘金凤
Owner GUANGXI WUZHOU GANGDE HARD ALLOY MFG
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