AUTOMATIC COMBINED PUNCHING MACHINE Russian patent published in 1994 - IPC

FIELD: stamping equipment. SUBSTANCE: automatic machine comprises base-mounted fixed plate with pin on which a central gear wheel and a removable mounting plate are cantilever-mounted. Two-purpose replaceable die for piercing holes and blanking a contour is installed on removable mounting plate and connected by a drive with central gear wheel. Punch-dies are installed directly on one slide of the drive and can be quickly replaced for shifting over to another type of workpieces. Replaceable die in the form of rigidly interconnected punch holder with piercing punches, blanking die and remover is installed in guide member of the second slide. Remover openings serve as guides for punch-dies. Workpieces are ejected by compressed air pulses through longitudinal channel inside cantilevered pin and through slot of the remover. Slide has a skew slot for removal of waste. EFFECT: improved design. 3 dwg