Forming method of locking thread

A thread and locking technology, applied in the field of parts processing, can solve the problems of only forming ordinary threads and lack of special anti-loosening section thread processing, and achieve the effect of good anti-loosening effect, stable production process and simple process.

Active Publication Date: 2017-07-21
ZHOUSHAN 7412 FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its disadvantage is that it lacks the processing of special anti-loosening section threads, and can only form ordinary threads, so its structure still needs to be improved.

Method used

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  • Forming method of locking thread
  • Forming method of locking thread
  • Forming method of locking thread

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Experimental program
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Effect test

Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] Such as Figure 1 to Figure 10 As shown, the forming method of the locking thread in this embodiment includes the forming step of the common thread 11 and the forming step of the locking thread 12. The forming step of the locking thread 12 is: the bolt or screw that has been processed into the common thread 11 The column 1 is placed on the mold 2 of the locking thread 12 at the position where the ordinary thread 11 needs to be formed into the locking thread 12. The mold 2 of the locking thread 12 includes an upper mold 21 and a lower mold 22, and the bottom surface of the upper mold 21 An arc surface 23 for extruding is provided, and two left and right symmetrical arc surfaces are arranged on the left and right sides of the lower die 22. The arc surface 23 of the upper die 21 and the two left and right arc surfaces of the lower die 22 ...

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Abstract

The invention discloses a forming method for a locking thread. The forming method comprises a step of forming an ordinary thread (11) and a step of forming a locking thread (12). The step of forming the locking thread (12) is implemented as follows: the part, where the ordinary thread (11) is formed into the locking thread (12), of a stud (1) machined with the ordinary thread (11) is arranged on a die (2) for the locking thread (12), wherein the die (2) for the locking thread (12) comprises an upper die (21) and a lower die (22); the ordinary thread (11) is arranged on two sections of arc surfaces of the lower die (22), the upper die moves downwards to extrude the ordinary thread (11), the ordinary thread (11) is thickened into the locking thread (12) in a required shape, and when the locking thread (12) is matched with an ordinary screw cap or screw hole, the locking thread (12) cannot smoothly pass through the screw cap or the screw hole with the ordinary thread (11), and forms interference fit with the screw cap or the screw hole to be mutually locked together. The forming method has the advantages of simple process, stable production process and good anti-loosening effects.

Description

technical field [0001] The invention relates to a method for processing parts, in particular to a method for forming locking threads. Background technique [0002] There is an existing Chinese invention patent with the application number CN200610142948.6 titled "Thread Forming Method, Thread Forming Device and Thread Forming Tool", which discloses a method of forming a threaded portion with an internal thread with respect to a metal plate with high operating efficiency. The thread forming device has: a thread forming cutter for forming a thread portion on the vehicle frame, a first motor for controlling the rotation of the thread forming cutter, and a second motor for controlling the advance and retreat of the thread forming cutter. In addition, the thread forming tool has a bottomed hole forming portion provided with a helical groove at the tapered tip portion, and a thread forming portion provided with the helical groove formed in connection with the bottomed hole forming ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21H3/06
CPCB21H3/06
Inventor 孟武功林磊王循明张娜
Owner ZHOUSHAN 7412 FACTORY
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