Millet and corn thresher

The utility model discloses a millet and corn thresher, and relates to the technical field of crop harvesters. The millet and corn thresher comprises a rack, an upper housing, a feeding opening, a lower housing, a threshing cylinder, a draught fan, a motor, a transmission mechanism and a speed governing device; a detachable rubbing rod is installed on the threshing cylinder, a grain stem or corncob outlet is formed in the upper back portion of the threshing cylinder, dual layers of screens are arranged below the threshing cylinder, the corn screen is arranged on the lower layer, and the detachable millet screen is arranged on the upper layer. A grain settling chamber is arranged below the dual layers of screens, a grain outlet is formed in the grain settling chamber, and an air outlet in the side of the grain settling chamber is connected with the draught fan. The millet and corn thresher has the advantages that replacement of the rubbing rod and a dandruff comb and adjustment of the rotating speed and the screens can be carried out according to different crops and different moisture contents of the crops, and the millet and corn thresher is suitable for the threshing requirement of millet, corn and the like; the millet and corn thresher is simple in structure, convenient to use, high in threshing performance, small in loss rate, capable of guaranteeing the threshing quality, reliable in work, high in efficiency, small in size, light in weight and particularly suitable for small area production.