Cutter mechanism for rewinding machine

The utility model relates to the technical field of paper processing equipment. The utility model relates to a cutter mechanism, in particular to a cutter mechanism for a rewinding machine. The papercutting device comprises a rack, a sliding rail arranged on the rack, a cutter support connected to the sliding rail in a sliding mode and a blade detachably arranged on the cutter support, a paper cutting roller is arranged on the rack, the axis of the paper cutting roller is parallel to the length direction of the sliding rail, the sliding rail is connected to the rack in a rotating mode, and adriving piece used for driving the sliding rail to rotate is arranged on the rack. The sliding rail is driven by the driving part to rotate, so that the blade on the sliding rail is convenient to replace. 本实用新型涉及纸加工设备技术领域，具体涉及一种用于复卷机的切刀机构，包括机架、设置于机架上的滑轨、滑动连接于滑轨上的刀具支架和可拆卸设置于刀具支架上的刀片，机架上设置有切纸辊，切纸辊的轴心线平行于滑轨的长度方向，滑轨转动连接于机架上，所述机架上设置有用于驱动滑轨转动的驱动件。本实用新型具通过驱动件带动滑轨转动，便于对滑轨上的刀片进行更换。