Grain transfer machine

The utility model discloses a grain transfer machine. Grain is transferred through a transfer device without manual bagging. The grain transfer machine is characterized in that a grain bin is installed on a machine frame, a first spiral shaft is arranged in a grain bin tank, conveying pipes are arranged at one end of the first spiral shaft, and a first spiral pushing blade is arranged on the first spiral shaft; the first conveying pipe is hinged to the machine frame, a feed port is formed in the feeding end of the first conveying pipe, the first conveying pipe is hinged to the second conveying pipe, the first conveying pipe and the second conveying pipe are communicated through a connecting sleeve, an auxiliary spiral shaft is arranged in the connecting sleeve, an auxiliary spiral pushing blade is arranged on the auxiliary spiral shaft, a first hydraulic cylinder is arranged between the first conveying pipe and the machine frame, a second hydraulic cylinder is arranged between the first conveying pipe and the second conveying pipe, a second spiral shaft with a second spiral pushing blade is arranged in the first conveying pipe, and a third spiral shaft with a third spiral pushing blade is installed in the second conveying pipe. The grain transfer machine has the advantages that the work environment of workers is improved, a harvester can continue working in the transfer process, and the grain transfer machine can work in various farmland environments and meet the requirements for modern agriculture.