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Mold core and processing method thereof

A technology of mold core and mold core insertion, which is applied to other household appliances, optical components, household appliances, etc., can solve the problems of shortening the service life of finishing tools, and achieve the effect of prolonging the service life.

Inactive Publication Date: 2009-12-16
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous increase of production demand, molds are used more and more widely in the process of processing. All molds include a master mold. The master mold has a mold cavity for accommodating the mold core. The mold core has a mold core insert And a base, the mold core and the mother mold must be closely matched to ensure the installation accuracy of the mold core. Processing, because the tool has a certain thickness, chamfers will appear at the connection between the mold core and the base during the processing, so to ensure the length of the mold core, it is necessary to process a section more, and the master mold is relatively If it is thicker, the length of the part that needs to be finished with the master mold is also very long. Therefore, the part that needs to be finished is correspondingly longer, which will shorten the service life of the finishing tool

Method used

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  • Mold core and processing method thereof
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  • Mold core and processing method thereof

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Embodiment Construction

[0012] In order to further illustrate the mold core and its processing method of the present invention, the following embodiments are given together with the accompanying drawings for detailed description as follows.

[0013] Please also refer to figure 1 and figure 2 , a mold core 100 matched with the mother mold 200, the mold core 100 includes a base 110, a mold core insert 130 and a columnar portion 120 connecting the base 110 and the mold core insert 130. The radius of the columnar portion 120 is smaller than the radius of the core insert 130 .

[0014] Wherein, the top of the core insert 130 has a forming surface 131 .

[0015] The master mold 200 has an upper mold cavity 210 and a lower mold cavity 220. The mold core insert 130 is inserted into the upper mold cavity 210 of the master mold 200, and the base 110 is accommodated in the lower mold cavity 220. It can be understood that in order to ensure that the mold The firmness of the core insert 130 installed in the m...

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Abstract

The invention relates to a mold core matched with a master mold. The mold core comprises a base, a mold core insert and a columnar part for connecting the base with the mold core insert, wherein the radius of the columnar part is smaller than that of the mold core insert, and the top end of the mold core insert is provided with a forming surface. The invention also relates to a processing method of the mold core. In the mold core, the columnar part the radius of which is smaller than that of the mold core insert is used for connecting the base with the mold core insert, the columnar part has no need of being finely processed, thus the length of the mold core which needs to be finely processed is shortened, and the service life of a mold core insert cutter is prolonged.

Description

technical field [0001] The invention relates to a molding technology, in particular to a mold core and a processing method thereof. Background technique [0002] With the continuous increase of production demand, molds are used more and more widely in the process of processing. All molds include a master mold. The master mold has a mold cavity for accommodating the mold core. The mold core has a mold core insert And a base, the mold core and the mother mold must be closely matched to ensure the installation accuracy of the mold core. Processing, because the tool has a certain thickness, chamfers will appear at the connection between the mold core and the base during the processing, so to ensure the length of the mold core, it is necessary to process a section more, and the master mold is relatively If it is thicker, the length of the part that needs to be finished is also very long. Therefore, the part that needs to be finished is relatively long, which will shorten the ser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/76B29C33/00B23B1/00
CPCB23P15/007B29L2011/0075B29L2011/0016B29C45/2673Y10T29/49
Inventor 林后尧王俊凯
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD