Formed product working method, and upper and lower dies used for the method

Formed product working method, and upper and lower dies used for the method

  • CN 1,684,779 B
  • Filed: 09/30/2003
  • Issued: 12/12/2012
  • Est. Priority Date: 10/01/2002
  • Status: Active Grant
First Claim
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1. a processing method bends bending process portion downwards through the association of mold and bed die is moving in perforating press, shapes goods, comprises following operation:

  • (a) when on workpiece, forming slit along the raw-material profile that forms molded article;

    Make the burr of said raw-material profile make the moving and said raw-material profile of punching press of mold and bed die association, the operation of said workpiece of residual connection and said raw-material small connecting portion downwards with producing;

    (b) on bed die, said raw-material bending process portion is positioned;

    Association through said mold and said bed die is moving to make said bending process portion be in the same way below bending to the direction that produces with said burr, to carry out said raw material are processed into the operation of the shaping processing of molded article;

    And,(c) be connected by what said small connecting portion formed with said workpiece through the association of said mold and the said bed die said molded article of moving separation, so that drop on the interior operation of die hole of said bed die under the said molded article.

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