Novel grass mower with anti-blocking knife

The utility model relates to the technical field of gardening mechanical equipment, and discloses a novel anti-blocking cutter grass mower which comprises a rack, a grass collecting box is placed on the upper portion of the rack, baffles are welded to the front side and the rear side of the rack, a diesel engine is fixedly installed at the bottom of the side, close to the baffles, of the grass collecting box, and a first gear is fixedly connected to an output shaft of the diesel engine in a sleeved mode. And a fixed blade is fixedly installed below the right side of the rack, a motor is fixedly installed on the rack between the fixed blade and the diesel engine, and the outer side of a fixed rod of the fixed blade is movably sleeved with a second gear. By additionally arranging the anti-blocking roller with the brush head, weeds on the blade can be cleaned, the blade is effectively prevented from being blocked, and the cut grass can be conveyed into the grass collecting box by combining the anticlockwise rota