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Reducing die

A technology of reducing diameter die and sizing belt, applied in wire drawing die and other directions, can solve the problems of uneven deformation of the blank head end, reduce production efficiency, low yield, etc., achieve simple structure, improve production efficiency, and reduce friction. Effect

Inactive Publication Date: 2016-02-24
CHONGQING XIZHONG SPECIAL ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The diameter reduction of metal materials is usually achieved by drawing, but when the finished product is processed by drawing, the head end made by the grinding head will be cut off at the end, which not only wastes a lot of material, but also has a low yield
When drawing the grinding head, if it is pressed by a press, the deformation of the head end of the billet may be uneven, and cracks may appear, which is very easy to break the head end during drawing forming. Therefore, it is greatly reduced production efficiency

Method used

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Embodiment Construction

[0017] In an embodiment, a reducing die is tubular and includes a lumen 1 passing through both ends. The lumen 1 includes a sizing belt 2. The sizing belt 2 is arranged at a position closer to the outlet end. The two ends of the sizing belt 2 All are external expansion. The sizing belt 2 expands toward the outlet end to form an exit belt 3 , and the other end expands to form a compression belt 4 and a lubricating belt 5 . The longitudinal section of the outlet belt 3 is arc-shaped. The lubricating belt 5 is arranged at the inlet end, and the lubricating belt 5 is trumpet-shaped, and the compression belt 4 is arranged between the lubricating belt 5 and the sizing belt 2 .

[0018] The length of the compression belt 4 is greater than that of the lubricating belt 5 .

[0019] The reducing die of the present invention is fixed on the mold base of the tube shrinking machine, the rear end of the mold base is connected with the movable bearing, and the tail end of the blank 6 touch...

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Abstract

A reducing die comprises a tube cavity penetrating two ends, wherein the tube cavity comprises a sizing zone which is arranged at a position near an outlet end; and two ends of the sizing zone are expanded outwards. According to the invention, the two ends of the sizing zone are expanded outwards, so that the case that a head end is broken during drawing cannot occur easily, the yield and the production efficiency are improved.

Description

technical field [0001] The object of the present invention is to provide a reducing die. Background technique [0002] Diameter reduction of metal materials is usually achieved by drawing. However, when the finished product is processed by drawing, the end of the grinding head will be cut off at the end, which not only wastes a lot of material, but also has a low yield. When drawing the grinding head, if it is pressed by a press, the deformation of the head end of the billet may be uneven, and cracks may appear, which is very easy to break the head end during drawing forming. Therefore, it is greatly reduced production efficiency. Contents of the invention [0003] An object of the present invention is to provide a reducing die capable of improving yield. [0004] The purpose of the present invention is achieved in this way, a reducing die, including a lumen through both ends, the lumen includes a sizing band, the sizing band is arranged at a position closer to the outle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C3/02B21C3/14
CPCB21C3/02B21C3/14
Inventor 韩正东
Owner CHONGQING XIZHONG SPECIAL ALUMINUM