Straw crushing equipment for farmland improvement

The utility model relates to the technical field of agricultural machinery, in particular to straw smashing equipment for farmland improvement, which comprises a bottom plate, a shell is mounted at the upper end of the bottom plate, and a first shaft cutter, a second shaft cutter, a first loose-leaf cutter, a second loose-leaf cutter and an auger cutter are movably connected in the shell. The two ends of the first shaft cutter penetrate through the shell and extend to the outer side, a motor base is installed on the outer side of the shell, a motor is installed on the side, away from the shell, of the motor base, and the output end of the motor is connected with the first shaft cutter through a coupler. One end of the second shaft cutter, one end of the first loose-leaf cutter, one end of the second loose-leaf cutter and one end of the auger cutter penetrate through the outer shell and extend to the outer side, and bearings are installed at the movable connecting positions of the first shaft cutter, the secon