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Cooling puncher pin for hot punching die

A hot stamping die and punch technology, applied in the field of stamping components, can solve problems such as unfavorable product cooling, and achieve the effect of speeding up cooling efficiency and improving production quality

Inactive Publication Date: 2017-06-20
SUZHOU HUICHENG PRECISION MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The punch is one of the essential components in the stamping die. It undertakes punching, internal splines and other processes during the entire stamping forming process, which will generate a lot of heat, which is not conducive to the cooling of the product during the hot stamping process.

Method used

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  • Cooling puncher pin for hot punching die

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Embodiment Construction

[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0013] see figure 1 , the embodiment of the present invention includes:

[0014] A cooling punch for a hot stamping die, comprising: a punch housing 1 and a cooler 2, the inside of the punch housing 1 is hollow, the cooler 2 is fixedly inserted inside the punch housing 1, and The upper end of the punch housing 1 is provided with an exhaust hole 11, the lower end of the punch housing 1 is provided with a water outlet 12, and the center of the cooler 2 is provided with a vent pipe 21, and the top end of the vent pipe 21 is Several air outlet holes 24 are opened, and there is a gap between the air pipe 21 and the punch housing 1 to form a water inl...

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PUM

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Abstract

The invention discloses a cooling puncher pin for a hot punching die. The cooling puncher pin comprises a puncher pin shell and a cooler, the interior of the puncher pin shell is hollow, the cooler is fixedly inserted inside the puncher pin shell, an exhaust hole is formed in the upper end of the puncher pin shell, a water outlet way is formed in the lower end of the puncher pin shell, an air pipe is formed in the center of the cooler, a plurality of air outlet holes are formed in the top end of the air pipe, and a gap is reserved between the air pipe and the puncher pin shell to form a water inlet way. By means of the above manner, the air cooling and water cooling combined manner is adopted, the cooling efficiency of the hot punching die can be increased in the process that the puncher pin conducts hot punching molding, and the production quality is improved.

Description

technical field [0001] The invention relates to a stamping assembly, in particular to a cooling punch for a hot stamping die. Background technique [0002] The hot stamping forming technology is to heat the steel plate to the austenitic state, then press it and quench it at a fast cooling rate to obtain a high-strength steel member with a uniform martensitic structure. [0003] The punch is one of the essential components in the stamping die. It undertakes punching, internal splines and other processes during the entire stamping forming process, which will generate a lot of heat, which is not conducive to the cooling of the product during the hot stamping process. Contents of the invention [0004] The technical problem mainly solved by the present invention is to provide a cooling punch for a hot stamping die, which can adopt a combination of air cooling and water cooling, so that the punch can accelerate the cooling efficiency of the hot stamping die during the process o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/16
CPCB21D37/16
Inventor 顾超
Owner SUZHOU HUICHENG PRECISION MOLD