順送り金型装置用の逆押え装置及びこれを備えた順送り金型装置

Title:

順送り金型装置用の逆押え装置及びこれを備えた順送り金型装置

Document Type and Number:

Japanese Patent JP6531114

Kind Code:

B2

Abstract:

When provisionally blanking a lamination sheet by using a punch for provisional blanking and a counter punch, the displacement of pilot holes located around the lamination sheet is minimized. The progressive die machine (1) comprises a pilot hole punch (72), a punch (9) for provisionally punching an iron core laminate (2) from a strip (W) formed with pilot holes (P), a counter punch (31) provided in a lower die assembly (5) and configured to push the iron core laminate (2) against the punch (9), a stripper plate (13) for separating the strip (W) from the provisional blanking punch after a provisional punching, a punch (10) for completely separating the iron core laminate from the strip. At least a part of the stripper plate (13) associated with the provisionally blanking is not in contact with the strip, and at least a part of an outer peripheral part of the provisionally blanked lamination sheet is formed with a connecting portion (79) connected to the strip.

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Inventors:

Horii Hideo
Kenichi Shindo

Application Number:

JP2016564462A

Publication Date:

June 12, 2019

Filing Date:

December 18, 2014

Export Citation:

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