STAMP FOR PARTING OPERATIONS Russian patent published in 1994 - IPC

FIELD: rigging for working of sheet material. SUBSTANCE: stamp incorporates bottom plate with female die, push rod, and wedges. The female die is mounted for moving on a flexible member. The push rod is connected to wedge mechanism which in its turn is connected, via pushers, to the female die. The male die and the clamp are installed on the stamp upper plate. The clamp is connected to the wedges mounted on the female die. Each guide bush bears housing which envelops the guiding column and has spring-actuating separator and pins. In punching operation the female die goes down and acts upon the pusher via pushers and wedge mechanism. The female die wedges act upon the clamp resulting in clamping the billet. The blanking operation (punching) is effected. EFFECT: simplified stamp design for finish blanking. 2 cl, 1 dwg