Corn threshing machine

The invention discloses a corn threshing machine. The machine comprises a shell, a threshing device, a transmission device which is arranged outside the shell and a motor. The machine is characterizedin that the shell comprises an upper shell and a lower shell, a feeding hole is formed in the top of the upper shell, and a plurality of corn kernel outlets are evenly formed in the bottom of the lower shell; the threshing device is arranged in the lower shell and comprises a rotation shaft, the rotation shaft is connected to two sides of the lower shell through bearings, and one end of the rotation shaft is connected with the motor through the transmission device; a first triangular support and a second triangular support sleeve two sides of the rotation shaft respectively, the angle end ofthe first triangular support corresponds to the edge end of the second triangular support, three threshing rods are fixedly connected between three angle ends of the first triangular support and threeangle ends of the second t