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Method of manufacturing radial mark of fastener

A fastener and marking technology, which is applied in the direction of manufacturing tools, forging/pressing/hammering machinery, metal processing equipment, etc., can solve the problems of low efficiency and many processing steps of processing marks, so as to reduce production costs and shorten production cycles , The effect of improving the utilization rate of equipment

Active Publication Date: 2021-01-15
ZHOUSHAN 7412 FACTORY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, there are many processing steps and low efficiency in the process of marking in this method, so this method needs further improvement

Method used

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  • Method of manufacturing radial mark of fastener
  • Method of manufacturing radial mark of fastener
  • Method of manufacturing radial mark of fastener

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] Such as Figure 1 to Figure 5 As shown, the manufacturing method of the fastener radial mark of the present embodiment includes the following steps,

[0027] 1. Extend the fastener vertically into the movable mold cavity 31 of the lower mold 1 of the processing device, so that the lower end of the fastener is connected to the fastener installation cavity 18 of the lower mold 1;

[0028] 2. The upper mold 2 of the processing device moves downward relative to the lower mold 1, so that the bottom surface of the upper mold 2 touches the top surface of the movable mold body of the lower mold 1, so that the movable mold body moves downward relative to the limit cavity of the lower mold 1 to The bottom opening of the movable mold cavity 31 and the opening of the fastener installation cavity 18 are aligned to form a lower mold cavity, and the ...

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Abstract

A method of manufacturing a radial mark of a fastener comprises the following steps that the fastener vertically stretches into a movable die cavity of a lower die of a machining device, and the lowerend of the fastener can be connected to a fastener mounting cavity; an upper die moves downwards relative to the lower die, and an upper die cavity and a lower die cavity of the upper die are combined to form a fastener forming cavity matched with the shape of the fastener; a protruding part located on the side wall of the movable die cavity moves towards the fastener along with the side wall ofthe movable die cavity, and the radial mark is pressed on the side wall of the fastener; the upper die moves upwards, a resetting mechanism drives the movable die body to move into an upper cavity ofa limiting cavity, and the side wall of the movable die cavity is separated from the fastener; and the fastener is taken out from the movable die cavity. The method has the advantages that the radialmark is machined on the side wall of the fastener through die assembly of a movable die block, the technical problem that marks only can be machined on the top and the bottom of a part through an upper die structure and a lower die structure is solved, and the radial mark is machined through the upper die structure and the lower die structure.

Description

technical field [0001] The invention relates to the technical field of making radial marks of fasteners, in particular to a method for making radial marks of fasteners. Background technique [0002] For the manufacturer's identification and performance level identification required by fasteners, the original cold heading process is performed on the axial head end face of the fastener and the tail of the part. For the end face of the axial head of the fastener, the tail of the part cannot be upset, it should be reflected in the radial direction of the fastener, and the non-threaded part of the side polished rod is completed by the secondary process of planetary thread rolling, rolling or stamping. However, this method has the problems of many processing steps and low efficiency, so this method still needs further improvement. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a radial marking method for fasteners wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/08B21J13/02B21J13/03
CPCB21J5/08B21J13/02B21J13/03
Inventor 张理锋王辉
Owner ZHOUSHAN 7412 FACTORY
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