Patent ID: 7823622

Claim:
An ejection and stamping device comprising: a base, which forms substantially in a central portion thereof a through hole and a plurality of fixing holes in a circumferential portion thereof for fixing atop a fixing board of an upper die of a vertical die casting machine by means of a plurality of fixing bars, the base forming a plurality of oil passages therein; a first piston, which is arranged centrally in the base, an upper cap being mounted to a top of the base to form a sealed space between the first piston and the upper cap, the sealed space being in communication with one oil passage; a second piston, which is fit over an end portion of the first piston, a lower cap being mounted to an underside of the base to form another sealed space between the second piston and the lower cap, said another sealed space being in communication with another one of the oil passages; a stamping board, which is coupled to the first piston and has a surface from which a plurality of connection bars extends to connect to a stamping die, which is arranged inside the upper die; and an ejection board, which is coupled to the second piston and has a surface forming a plurality of ejection pins extending into a mold cavity of the upper die.