Sheet punching device, sheet processing device provided with the same, and image forming device

摘要

This sheet punching device includes a placement table 53 on which the sheet is placed, a hollow punching member 60 that punches the sheet placed on the placement table 53, a punching moving member 66 that moves the punching member between a punching position where the sheet is punched and a retreat position retreated from the punching position, a punching drive section 70 that drives the punching moving member 66, a waste pushing member 80 that is disposed in the hollow portion of the punching member 60 and pushes punching waste remaining in the hollow portion, a pushing moving member 85 that moves the waste pushing member 80 between a pushing position protruding from the hollow portion of the punching member and a housing position in the hollow portion, and a pushing drive section 70 that drives the pushing moving member 85.

主权项

1. A sheet punching device that applies punching processing to a sheet, comprising:
a placement table on which the sheet is placed; a hollow punching member that punches the sheet placed on the placement table; a punching moving member that moves the punching member between a punching position where the sheet is punched and a retreat position retreated from the punching position; a punching drive section that drives the punching moving member; a waste pushing member that is disposed in the hollow portion of the punching member and pushes punching waste remaining in the hollow portion; a pushing moving member that moves the waste pushing member between a pushing position protruding from the hollow portion of the punching member and a housing position in the hollow portion; and a pushing drive section that drives the pushing moving member, wherein the punching drive section and the pushing drive section are realized as a single common drive motor, and a rotational direction of the drive motor is switched to select the punching moving member to move the hollow punching member or the pushing moving member to move the waste pushing member.