Automatic paper feeding and shredding machine with detachable paper cleaning structure

The utility model discloses an automatic paper feeding and shredding machine with a detachable paper cleaning structure, which comprises an upper cover and a lower shell which are matched with each other, and a manual paper feeding port and a paper cleaning window are formed on the upper cover; a knife tackle assembly and an automatic paper feeding mechanism are mounted in an upper opening of the lower shell; a paper cleaning protection plate for safely shielding the automatic paper feeding mechanism is positioned and placed in the paper cleaning window; supporting protruding strips used for positioning and supporting the paper cleaning protection plate are formed on the two side faces of the paper cleaning window, positioning mortises are formed in the two side faces of the paper cleaning protection plate, and elastic clamping tenons used for being clamped into the positioning mortises are formed on the two side faces of the paper cleaning window. And the rear end of the paper cleaning protection plate is pr