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Anti-collision traveling core head

A swimming core head, anti-collision technology, applied in the direction of the mandrel, can solve the problems of poor toughness and damage to the swimming core head, and achieve the effect of slowing down the damage

Active Publication Date: 2016-04-20
佛山市南海毅兴铜业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And because the hardness of the core head is extremely high and the toughness is poor, the moving core heads that collide with each other are all damaged.

Method used

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  • Anti-collision traveling core head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: a kind of anti-collision swimming core head, its structure is as figure 1 As shown, it includes a core body 5 with a large end 2 and a small end 4, and a transition surface 3 between the large end 2 and the small end 4;

[0032] The core body 5 is a structure with two ends through, that is, the core body 5 has a through hole inside;

[0033] The through hole of the core body 5 is provided with an anti-collision bar 1 for offsetting the destructive force generated by the collision of the core body with other floating cores during the drawing process;

[0034] Both ends of the anti-collision rod 1 protrude from the core body 5 .

[0035] According to different needs, the anti-collision rod 1 and the core body 5 are an interference fit, or a thread pair fit.

[0036] The anti-collision rod 1 can be selected as stainless steel, copper alloy or other materials whose hardness is much smaller than that of the core body 5 .

[0037] As a preferred structure, th...

Embodiment 2

[0040] Embodiment 2: a kind of anti-collision swimming core head, its structure is as figure 2 and image 3 As shown, it includes a core body 5 with a large end 2 and a small end 4, and a transition surface 3 between the large end 2 and the small end 4;

[0041] The core body 5 is a structure with two ends through, that is, the core body 5 has a through hole inside;

[0042] An anti-collision rod 1 is provided in the through hole, and the two ends of the anti-collision rod 1 protrude from the core body 5, so that the anti-collision rod 1 can offset the external force through its own deformation after being subjected to an external force to slow down the impact of the external force on the core head. Damage to the body 5.

[0043] According to different needs, the anti-collision rod 1 and the core body 5 are an interference fit, or a thread pair fit.

[0044] The anti-collision rod 1 can be selected as stainless steel, copper alloy or other materials whose hardness is much ...

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Abstract

The invention relates to an anti-collision traveling core head. The anti-collision traveling core head comprises a core head body which is provided with a large head end and a small head end, and a transitional surface is formed between the large head end and the small head end; the core head body is of the structure that the two ends are communicated; an anti-collision rod used for counteracting collapsing force generated when the core head body collides with other traveling core heads in the drawing process is arranged in a through hole formed in the core head body; the two ends of the anti-collision rod protrude out of the core head body. According to the anti-collision traveling core head, by additionally arranging the anti-collision rod in the core head, the core head does not directly make contact with the other traveling core heads when the traveling core head is collided, and the phenomenon that the traveling core head is damaged in advance when the traveling core head does not reach the end of the service life is prevented from occurring.

Description

technical field [0001] The invention relates to the technical equipment field related to copper pipe drawing, in particular, it relates to an anti-collision swimming core head. Background technique [0002] Swimming core head, alias: inner core head, is mainly used for drawing copper tubes, and is used in conjunction with tube drawing dies (also known as outer dies, drawing dies). The swimming core head has no fixed position in the copper tube. The friction force with the copper tube and the reaction force when the copper tube is deformed reach a balance state, so it is called the swimming core head. Opposite there is a fixed core head. The swimming core head controls the inner diameter of the copper tube, and the tube drawing die controls the outer diameter of the copper tube. [0003] From a structural analysis, the existing swimming core head has two ends, one large and one small, the big head is used for guiding, the small head is used for size control, and the two end...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C3/16
CPCB21C3/16
Inventor 燕志富聂小强李仁伟董婷婷栾治伟刘海峰
Owner 佛山市南海毅兴铜业有限公司
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