The magnetic sheet is marked by the magnetic sheet feeding device to the inkjet printer on the conveyor belt for marking, and the magnetization detecting device performs magnetization and magnetic field detection on the magnetic sheet. After the detection, the magnetic sheet spacer moving station and the spacer are placed. And binning. The moving module 2 and the disk spacer moving station place the qualified products into the blanking 1 and the blanking 2, and the high and low gears are placed in the blanking material 3 and the blanking material 4. After the blanking length reaches the set length, the manual reclaiming is prompted.