Novel blade trimming device

The utility model discloses a novel blade trimming device which comprises a main body unit, a blade trimming unit and a blade trimming unit, the main body unit comprises a base and a driving motor fixedly installed on the upper side wall of the base, and a trimming grinding wheel is fixedly connected to an output shaft of the driving motor; the adjusting unit comprises a T-shaped sliding block connected to the upper base in a sliding mode and a rectangular sliding block connected to the T-shaped sliding block in a sliding mode, the bottom end of the T-shaped sliding block is located in the rectangular opening in the base, a rectangular groove is formed in the upper side wall of the T-shaped sliding block, and second lead screws which are rotationally connected are arranged at the two ends of the T-shaped sliding block in a penetrating mode; the second lead screw is in threaded connection with a rectangular sliding block matched with the rectangular groove. The included angle between the blade cutting edge and