SHEET PUNCHING DEVICE AND IMAGE FORMING APPARATUS

摘要

A sheet punching device including: a die which has a die hole and is configured to be driven to rotate; a punch configured to move in and out of the die hole to punch a hole in a sheet; and a punch operating unit configured to reciprocate the punch with respect to the die hole in a state in which the punch is opposed to the die hole of the die, to move the punch in and out of the die hole.