Automatic multilayer abrasive paper blanking device

The invention relates to an automatic multilayer abrasive paper blanking device which comprises a feeding component, a conveying component, a cutting main unit, a stacking component, a waste collecting component and a discharging component. The feeding component, the conveying component, the cutting main unit, the stacking component and the waste collecting component are sequentially arranged, the discharging component is arranged beside the stacking component, the automatic feeding component comprises a plurality of sequentially arranged feeding mechanisms for storing abrasive paper, the stacking component comprises a supporting frame, a height-adjustable lifting mechanism, a knockout die plate, a pressing mechanism, a knockout mechanism, a limiting mechanism and a sensor, the supporting frame is arranged on the ground, the lifting mechanism is arranged in the supporting frame, the knockout die plate is mounted above the lifting mechanism and provided with a plurality of material holes, the pressing mechanism is arranged above the knockout die plate and matched with the knockout die plate to press abrasive paper, and the knockout mechanism is mounted on the supporting frame and can move to penetrate the material holes. By mutually matching the feeding component, the conveying component, the cutting main unit, the stacking component and the waste collecting component as a whole, the abrasive paper is automatically treated.