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Gas-permeable forging mold

A gas-permeable, mold technology, applied in the direction of manufacturing tools, forging/pressing/hammer devices, forging/pressing/hammering machinery, etc., can solve problems such as misalignment, affecting forging accuracy, and materials cannot fill the product cavity, etc., to achieve The effect of preventing dislocation

Inactive Publication Date: 2017-06-20
ANHUI CHENGYOU AUTO PARTS MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The forging dies of the prior art have the following deficiencies: (1) The upper and lower dies are subjected to mechanical external forces during the film laminating process, which easily produces dislocations and affects the accuracy of forging; (2) when stamping, the die cavity The air in the air will form an air bag, and the air bag will rebound under high pressure, so that the material cannot fill the product cavity

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0019] Such as Figure 1-2 As shown, this embodiment discloses a breathable forging die, which includes an upper die 1 and a lower die 2 that cooperate with each other. Both the bottom of the upper mold 1 and the top of the lower mold 2 are provided with mold cavities. The cavity shapes of the upper mold 1 and the lower mold 2 of the present invention are corresponding.

[0020] The mold cavity of the upper mold 1 includes an upper resistance bridge 11 , an upper product cavity 12 , and an upper flash groove 13 . The upper resistance bridge 11 has a ring structure, an upper product cavity 12 is formed on the inner side, and an upper flash groove 13 is surrounded on the outer side. One or several discontinuous sections of the upper resistance bridge 11 are arched outwards to form an upper fillet structure 111 .

[0021] The mold cavity of the lower mold 2 includes a lower resistance bridge 21 , a lower product cavity 22 , and a lower flash groove 23 . The lower resistance b...

Embodiment 2

[0028] Such as Figure 1-2 As shown, this embodiment discloses a breathable forging die, which includes an upper die 1 and a lower die 2 that cooperate with each other. Both the bottom of the upper mold 1 and the top of the lower mold 2 are provided with mold cavities. The cavity shapes of the upper mold 1 and the lower mold 2 of the present invention are corresponding.

[0029] The mold cavity of the upper mold 1 includes an upper resistance bridge 11 , an upper product cavity 12 , an upper flash groove 13 , and an upper jaw 14 . The upper resistance bridge 11 has a ring structure, an upper product cavity 12 is formed on the inner side, and an upper flash groove 13 is surrounded on the outer side. One or several discontinuous sections of the upper resistance bridge 11 are arched outwards to form an upper fillet structure 111 . An upper jaw 14 is provided on the upper flash groove 13 , and the upper jaw 14 is connected to the edge of the upper mold 1 .

[0030] The mold ca...

Embodiment 3

[0034] Such as Figure 1-2 As shown, this embodiment discloses a breathable forging die, which includes an upper die 1 and a lower die 2 that cooperate with each other. Both the bottom of the upper mold 1 and the top of the lower mold 2 are provided with mold cavities. The cavity shapes of the upper mold 1 and the lower mold 2 of the present invention are corresponding.

[0035] The mold cavity of the upper mold 1 includes an upper resistance bridge 11 , an upper product cavity 12 , an upper flash groove 13 , and an upper jaw 14 . The upper resistance bridge 11 has a ring structure, an upper product cavity 12 is formed on the inner side, and an upper flash groove 13 is surrounded on the outer side. One or several discontinuous sections of the upper resistance bridge 11 are arched outwards to form an upper fillet structure 111 . An upper jaw 14 is provided on the upper flash groove 13 , and the upper jaw 14 is connected to the edge of the upper mold 1 .

[0036] The mold ca...

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Abstract

The invention discloses a breathable forging die, which relates to the technical field of forging. The mold includes an upper mold and a lower mold that cooperate with each other; the bottom of the upper mold and the top of the lower mold are provided with mold cavities; the mold cavities of the upper mold and the lower mold include resistance bridges, product cavities, flash grooves, jaws ;The resistance bridge is in the form of a ring structure, the inner side of which forms a product cavity, and the outer side is surrounded by flash grooves; on the resistance bridge of the lower mold, there are ventilating pinholes penetrating from top to bottom; the mold also includes a positioning structure, which is used to Limit the relative position between upper die and lower die. The invention has the advantages of precise positioning during forging, and the billet filling the cavity of the product.

Description

technical field [0001] The invention relates to the technical field of forging, in particular to a breathable forging die. Background technique [0002] Auto parts such as hub brackets, three-arm flanges, etc. are usually forged by high-temperature hydraulic methods. By placing the blank after heating treatment in the intermediate frequency furnace in the product cavity of the lower mold, the hydraulic cylinder drives the upper mold to press down for forging, and then lifts the upper mold, and the product is formed in the cavity of the lower mold and taken out manually Product, complete the forging of the product. [0003] The forging dies of the prior art have the following deficiencies: (1) The upper and lower dies are subjected to mechanical external forces during the film laminating process, which easily produces dislocations and affects the accuracy of forging; (2) when stamping, the die cavity The air in the cavity will form an air bag, and the air bag will rebound u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J13/02B21J13/14
CPCB21J13/02B21J13/14
Inventor 倪明光陶景平张开敏
Owner ANHUI CHENGYOU AUTO PARTS MFG
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