Automatic cutting type sheet feeder

The invention discloses an automatic cutting type sheet material feeder which comprises a first vertical frame, a second vertical frame, a feeding unwinding assembly, a label receiving assembly, a movable film clamping assembly, a fixed film clamping assembly, a cutting assembly, an upper release paper winding assembly and a turn-over transfer assembly. The upper release paper winding assembly comprises a first winding disc, a label stripping plate, a second balance weight roller and a third guide roller, the fixed film clamping assembly is arranged on the first vertical frame and located in front of the movable film clamping assembly, the cutting assembly comprises a cutting knife and a cutting knife driving device, the second vertical frame is arranged in front of the first vertical frame, and the second vertical frame is arranged in front of the second vertical frame. And the turn-over transfer assembly comprises a rotary driving device, a rotary arm and a vacuum chuck. By means of the mode, the automatic