Stage style alloy female die core

A step-type, negative mold technology, applied to metal processing equipment, bolts, connecting components, etc., can solve the problems of poor head size consistency of countersunk parts, easily out-of-tolerance mold orifice size, and poor consistency of part rod diameters, etc. , to achieve the effect of simple structure, ensuring consistency and improving mold life

Inactive Publication Date: 2017-05-31
AVIC STANDARD PARTS MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the common female mold core does not consider the effect of the interference on the deformation of the part head and rod at different positions, resulting in poor consistency of the rod diameter of the parts produced by upsetting, easy out-of-tolerance die orifice size, and poor use of the die. Many problems, such as low service life and poor head size consistency of countersunk head parts, have been unable to meet the existing processing needs

Method used

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  • Stage style alloy female die core
  • Stage style alloy female die core
  • Stage style alloy female die core

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Embodiment Construction

[0017] The specific implementation, structure, features and functions of the step-type alloy die core according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.

[0018] see Figure 1 to Figure 2 , the stepped alloy die core of the present invention includes a first step 1, a second step 2 and a third step 3, wherein: the first step 1, the second step 2 and the third step 3 form a die core, and the middle A cavity 4 is provided, and the outer diameters of the first step 1 , the second step 2 and the third step 3 increase sequentially. The cavity 4 is a straight hole, a countersunk angle hole or a stepped hole. The die core is made of alloy.

[0019] see image 3 , press the die core and the die sleeve 5 to form the die, and the outer diameters of the first step 1, the second step 2 and the third step 3 increase sequentially, that is, the size tolerance and requirements of the pressing holes of ...

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Abstract

The invention discloses a stage style alloy female die core. The stage style alloy female die core comprises a first ladder (1), a second ladder (2) and a third ladder (3). The stage style alloy female die core is characterized in that the first ladder (1), the second ladder (2) and the third ladder (3) constitute the female die core, the middle of the female die core is provided with a mold cavity (4), the outer diameters of the first ladder (1), the second ladder (2) and the third ladder (3) are increased in sequence, the mold cavity (4) is a straight hole, a sunk angle hole or a stepped hole, and the female die core is prepared from alloy. The stage style alloy female die core is precise, reliable, efficient, durable, simple in structure and convenient to use, and is suitable for the popularization and application of molding of head and rod portions during heading of cold heading and warm heading.

Description

technical field [0001] The invention belongs to the technical field of mold processing, and in particular relates to a stepped alloy female mold core. Background technique [0002] In the production of fasteners, cold heading and warm heading dies are mainly used for forming the head and stem of bolt products. In the prior art, the common female mold core does not consider the effect of the interference on the deformation of the part head and rod at different positions, resulting in poor consistency of the rod diameter of the parts produced by upsetting, easy out-of-tolerance die orifice size, and poor use of the die. Many problems, such as low service life and poor head size consistency of countersunk head parts, have been unable to meet the existing processing needs. Contents of the invention [0003] The object of the present invention is to overcome the above disadvantages and provide a stepped alloy die core that is accurate, reliable, efficient and durable, simple...

Claims

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Application Information

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IPC IPC(8): B21J13/02B21K1/44
CPCB21J13/02B21K1/44
Inventor 赵富俊吴代禄
Owner AVIC STANDARD PARTS MFG
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