PURPOSE: To enable the working of a work having a step difference and the drawing of a louver, lance, etc., having a big rise height by fitting a lifting die freely liftably via a lift driving means to a lower part turret.
CONSTITUTION: A work 21 is located at the specified punching position SP, a turret is rotated and a punch 6b and lift die 13 are divided at the punching position SP. The engaging claw 10g composing a slider 10 is engaged with the engaging groove 16a of a linking block. When a block 16 is retreated in a direction C by the driving of a cylinder 15, a main body 10a is moved in the direction C and the lift die 13 is ascended in a direction E by a lift part 11b. A die supporting part 10f is moved in C direction with sliding with the lower face of the die 13, the die 13 is supported by the die supporting part 10f and located at the work position, and a punch 6b is punched in the F direction by a punching head.
MIZUKADO MASAYOSHI