Blanking die and holder construction for punch presses

Details Blanking die and holder construction for punch presses Blanking die and holder construction for punch presses

1975-04-03

1976-06-29

Schran, Donald R.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83167, 83158, 83160, B26D 706, B26F 114

Patent

active

039657841

ABSTRACT:
A blanking die comprises a relatively thin die plate having a cutout into which the punch of the press, upon blanking operation, forces the material to be cut to form the required part blank. A holder of sturdy construction is provided onto which the thin die plate is removably mounted. Slidably positioned within the holder is a reciprocating support block which, upon blanking operation, underlies the thin die plate in order to reinforce it against the impact of the punch. After the blanking cycle, the support block is moved either to eject the part blank or to allow the latter to fall through an opening in the holder.

REFERENCES:
patent: 2325290 (1943-07-01), Wales
patent: 2444946 (1948-07-01), Murphy
patent: 3777601 (1973-12-01), Strandell

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