Corn seed thresher

The utility model discloses a corn seed thresher, and belongs to the technical field of corn seed processing and threshing equipment. Comprising a machine body, a material frame is fixedly connected to the surface of the input end of the machine body, an opening is formed in the surface of the material frame, a push plate is movably connected to the surface of the machine body through a pin shaft, the side, away from the machine body, of the push plate penetrates through the opening and extends into the material frame, and an extension plate is fixedly connected to the bottom of the push plate; the surface of the machine body is fixedly connected with a sleeve, the interior of the sleeve is movably connected with a connecting rod, the top end of the connecting rod is fixedly connected with a pressing rod located at the top of the extending plate, the bottom end of the connecting rod is fixedly connected with a pedal, the top of the pedal is fixedly connected with a buffering pad, and the top of the buffering