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Manufacturing technology of screw

A production process and screw technology, applied in the field of screw production technology, can solve the problems of complicated steps, manual cleaning, and complicated production, and achieve the effects of convenient production, reduced artificial strength and good driving effect.

Inactive Publication Date: 2018-11-02
海宁市丁桥镇永畅知识产权服务部
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the manufacturing method disclosed in this patent has high strength of the screw tip, the steps of the manufacturing method are too complicated, and manual cleaning is required, and the manufacturing is cumbersome. Therefore, it is necessary to design a screw manufacturing process

Method used

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  • Manufacturing technology of screw
  • Manufacturing technology of screw
  • Manufacturing technology of screw

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Embodiment Construction

[0035] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0036] The manufacturing process of the screw includes the following steps:

[0037] a. Cutting: buy steel wire, cut the steel wire according to the given specification and length, and obtain the steel wire segment;

[0038] B, heading: heading one end of the wire segment by the heading device, and processing the shape of the screw head; in the present embodiment, the heading device adopts the existing equipment;

[0039] c. Clamping the tail: the other end of the wire segment is punched by the punching device to process the shape of the nail tip; in this embodiment, the punching device adopts the existing equipment;

[0040] d. Thread rolling: thread rolling is performed around the steel wire segment through a thread rolling device to process ...

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Abstract

The invention provides a manufacturing technology of a screw. According to the manufacturing technology, the technical problems that the steps of an existing manufacturing method are too complex, manual cleaning is needed, and manufacturing is tedious are solved. The manufacturing technology of the screw comprises the following steps of a, blanking; b, head striking; c, tail clamping; d, thread rolling; e, cleaning; and f, heat treatment. The manufacturing technology has the advantage of convenient manufacturing.

Description

technical field [0001] The invention belongs to the technical field of fasteners, and relates to a manufacturing process of a screw. Background technique [0002] Screws are a common fastener widely used in machinery, electrical appliances and buildings. The general material is metal or plastic, it is cylindrical, and the grooves engraved on the surface are called threads. [0003] After searching, for example, Chinese patent documents disclose a method for making short screws [application number: 201510792651.3; publication number: CN 105268880A]. The manufacturing process of the short screw is characterized in that it includes the following steps: manganese in the material is 4-6%, carbon is 12-21%, magnesium is 1-1.3%, and titanium is 2-5% and the balance is iron; The percentages mentioned are all mass percentages; 12-21 parts of the above-mentioned materials are activated in oxygen for 10-20 minutes and then leave the pure oxygen environment; quenching and tempering is...

Claims

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Application Information

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IPC IPC(8): B23P15/00B08B3/08B08B3/10F26B21/00C21D9/00
CPCB23P15/00B08B3/08B08B3/102C21D9/0093F26B21/001F26B21/004
Inventor 何云飞
Owner 海宁市丁桥镇永畅知识产权服务部
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