Gaodan grass mowing and crushing device

The utility model discloses a sorghum hybrid sudangrass mowing and smashing device which comprises a box body, a first through groove is formed in the upper end of the box body, two idler wheels are arranged in the box body in parallel, a plurality of cutting knives are installed on the outer surfaces of the idler wheels, and a material guide groove is formed in the lowest end of a material guide plate installed in the box body and located at the lower ends of the two idler wheels. A supporting plate is vertically installed at the lower end of the left side of the material guiding plate, an electric push rod is installed on the left side face of the supporting plate, a telescopic rod at the right end of the electric push rod penetrates through the supporting plate to be connected with the material pushing plate, a second through groove is formed in the right side of the lower end of the box body, and a material containing groove is detachably installed outside the second through groove. The cutting device has