Multifunctional grain threshing machine

The utility model discloses a multifunctional grain threshing machine which comprises a threshing machine body, a supporting frame is arranged on the side face of the threshing machine body, a secondary threshing box is arranged on the supporting frame, a conveying structure is arranged on the threshing machine body, and the output end of the conveying structure is arranged above the secondary threshing box. A rubbing and screening assembly is arranged on the secondary threshing box, a discharging opening is formed in the lower portion of the secondary threshing box, a quantifying assembly is arranged on the lower portion of the secondary threshing box, and the end, away from the secondary threshing box, of the quantifying assembly is arranged on the threshing machine body. The utility model relates to the technical field of agricultural mechanical equipment, in particular to a multifunctional grain threshing machine. 本实用新型公开了多功能谷物脱粒机，包括脱粒机机体，所述脱粒机机体的侧面上设有支撑架，所述支撑架上设有二次脱粒箱，所述脱粒机机体上设有传送结构，所述传送结构的输出端设于二次脱粒箱上方，所