Free-harvesting rice and wheat thresher

A cutting-free rice and wheat threshing machine of the agricultural machine field is provided, which has a traveling and power source from an existing small walking tractor, namely a large belt wheel connected with the frame is arranged above the transmission to drive, a dialing-grain threshing comprehensive roller is arranged above the frame, the comprehensive roller is welded with a channel steel into inner cross square type, two opposites of the four corners are respectively arranged with No.1, and No.2 threshing rollers, the outer of comprehensive roller also has one No.3 threshing roller, moreover, two opposite corners are respectively installed with the No.1, and No.2 dialing-grain rods, both dialing-grain rods are respectively arranged with one row of dialing-grain fingers. Three threshing rollers are driven by an individual driving wheel to obtain the own distributed rotary speed, apart from the individual rotation, No.1, and No.2 threshing rollers can also rotate with the rotating of comprehensive roller. Thus, the grain ear pulled by the dialing-grain finger shall be threshed above the No.1, No.2 threshing rollers, and under No.3 threshing roller, so the grain of grain ear can be rapidly threshed, thereby realizing the cutting-free threshing purpose of rice and wheat.