Corn threshing device

The utility model relates to a corn threshing device which comprises a supporting frame, a lower cover body fixed on the supporting frame, an upper cover body fixed on the lower cover body, a spike tooth roller with two ends respectively fixed in the lower cover body in a rotating mode, and a power mechanism connected with the spike tooth roller. According to the corn thresher, corn entering the corn thresher is ground through the spike tooth roller and the steel frame, the corn thresher is driven by the driving motor, labor input is reduced, meanwhile, corn kernels can be separated from dust and broken grains through the arrangement of the lower grain plate and the upper cover plate, corn husks can be separated and collected, the cleaning work of the corn kernels is reduced, and the corn thresher is convenient to use. The labor intensity of workers is reduced, and the use is convenient. 本实用新型涉及一种玉米脱粒装置，包括支撑架、固定在所述支撑架上的下盖体、固定在所述下盖体上的上盖体、两端分别旋转固定于所述下盖体内的钉齿滚筒，以及与所述钉齿滚筒相连的动力机构，与现有技术相比，本实用新型通过钉齿滚筒与钢框架，对进入玉米进行碾压，通