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Device and method for forming anti-separation clamping platform on eyebolt

An eye bolt, anti-separation technology, applied in the direction of tangent devices, screws, chucks, etc., can solve the problems of loosening, falling off, and thread misshapen, and achieve the effect of improving quality and production, and preventing loosening or falling off.

Active Publication Date: 2017-04-12
(株)成一拉锁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For such prior art, if too much force is applied during the stamping process, the thread part may be deformed, and if the force is small, the expanded edge is smaller and weaker, so that there is The problem that the fastening nut will loosen or fall off when subjected to vibration or strong force

Method used

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  • Device and method for forming anti-separation clamping platform on eyebolt
  • Device and method for forming anti-separation clamping platform on eyebolt
  • Device and method for forming anti-separation clamping platform on eyebolt

Examples

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Embodiment Construction

[0034] A specific embodiment of the present invention will be described with reference to the drawings. figure 1 It is a picture showing the existing anti-separation card platform 109 made by stamping process, in which the center part of the end of the thread part is depressed, and if the anti-separation card platform formed on the edge is subjected to a strong force, it may squeeze toward the center part. enter.

[0035] figure 2 A picture of an eyebolt manufactured by the method of forming the separation preventing stand 109 of the present invention, in which the central portion of the end of the threaded portion is not recessed relative to the edge portion, but protruded and firmly formed.

[0036] image 3 For the picture about the device forming the anti-separation card station of the present invention, Figure 4 is in image 3 Enlarged picture of the device shown near the formed rod that will be mounted on the secondary lock. Such as image 3 As shown, the supply ...

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PUM

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Abstract

The present invention relates to an apparatus and a method for forming a separation prevention bump on the eye bolt, and an eye bolt manufactured by the method. According to the invention, with the aid of a forming rod mounted at the auxiliary lock part, an auxiliary lock part installed at a chuck by the means of staggering the chuck of a milling machine, prevents a fastening nut against falling off from the end of a screw thread portion of the eye bolt in a bolt groove of a moving rotary plate.

Description

technical field [0001] The present invention relates to a device that prevents fastening nuts from coming off from threaded end portions of eyebolts inserted into bolt grooves of moving rotary plates at the lower portion by forming separation-preventing clamps by rotation of forming rods mounted on a milling machine, and method, and relates to an eyebolt manufactured by the method of the present invention. Background technique [0002] Generally, an eyebolt refers to a bolt with an eyehole formed on the top of the bolt. The present invention relates to an apparatus and method for manufacturing an eyebolt for preventing a fastening nut coupled to a threaded portion from falling off from the threaded portion. An anti-separation stand with a diameter larger than that of the threaded portion is formed at the end of the threaded portion. [0003] As a technique for forming a detachment-preventing stop for preventing the fastening nut from falling off at the end of the threaded p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C9/00F16B35/00
CPCB23C9/00F16B35/00B23B31/02B23C3/00B23C5/10B23G1/32
Inventor 张峻愿
Owner (株)成一拉锁