Scrap cutter for use with mechanical press

Details Scrap cutter for use with mechanical press Scrap cutter for use with mechanical press

B - Operations, Transporting

26

D

164/120

B26D 1/00 (2006.01) B21D 24/16 (2006.01) B23D 15/06 (2006.01) B23D 31/00 (2006.01)

Patent

CA 1166146

ABSTRACT A scrap cutter for chopping up the skeleton of strip stock material as it is fed out of a mechanical press. The scrap cutter is designed to be a free-standing unit positioned at the outfeed side of the press and actuated by a hydraulic cylinder that is connected through a flexible hose to a second hydraulic cylinder actuated by a power takeoff from the press, such as a cam or small pitman connected to the crankshaft extension of the press. The flexible hydraulic connection between the press and scrap cutter enables the position of the scrap cutter relative to the press to be easily adjusted and eliminates the large and unwieldy mechanical inter- connections between the press crankshaft and scrap cutter blade actuating mechanism. A pressure relief valve connected in the hydraulic circuit provides overload protection by relieving the hydraulic pressure when it exceeds a predetermined level, as would occur if multiple thicknesses of stock become jammed between the blades or other overload producing conditions occur.

385320

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