Self-cleaning cutting device

The utility model relates to the technical field of paper plastic bag production, and discloses a self-cleaning cutting device which comprises a cutting seat, a collecting box is placed in the cutting seat, a fixing frame is fixedly installed on the surface of the cutting seat, and an electric push plate is arranged on the surface of the fixing frame. An output shaft of a motor drives a rotating disc to rotate, a supporting rod fixed to the surface of the rotating disc drives a protruding block to abut against the inner wall with an arc-shaped rod, and when the arc-shaped rod is abutted, a sliding rod fixed to the surface of the arc-shaped rod can slide under limitation of two sets of limiting blocks; an L-shaped rod fixed to the surface of a sliding rod can drive a moving rod and a moving plate to slide on the surface of the cutting base, a brush on the surface of the moving plate can clean sweeps on the surface of the cutting base, the sweeps are pushed to a transverse hole to fall into a collecting box, an