Waste paper recovery device of paper cutting machine

The utility model relates to a paper cutting machine. The utility model relates to a paper cutter, in particular to a waste paper recovery device. The paper shredder comprises a rack, a workbench, a track, a fan, a paper shredder body and a waste recycling box. The workbench is fixedly connected to the rack through a connecting rod. The periphery of the workbench is smaller than the rack. A gap isformed between the workbench and the rack; a rail, a fan, a paper shredder and a waste recovery box are sequentially arranged below the workbench from top to bottom; the waste recovery box is connected with the paper shredder through a connecting pipe; the rails comprise the first rail and the second rail, the starting end of the first rail and the starting end of the second rail are both connected with a gap between the workbench and the rack, the tail end of the first rail and the tail end of the second rail are connected with the draught fan, an inverted trapezoid is formed among the firstrail, the second rail and