Rice polishing machine

A rice polishing machine relates to the technical field of rice processing and comprises a machine body and a discharging hopper vertically arranged above a feeding port of the machine body and further comprises an adjusting mechanism. The adjusting mechanism comprises a connecting block fixedly connected between the discharging end of the discharging hopper and the feeding port of the machine body, a discharging part arranged in the connecting block and a driving part fixedly installed on the machine body, a connecting hole is vertically formed in the connecting block, and the connecting hole communicates with the discharging end of the discharging hopper and the feeding port of the machine body; a cavity communicating with the connecting hole is formed in the connecting block, the discharging part comprises a connecting end connected with the inner wall of the cavity and a rotating end clamped to the connecting end in an intermittent rotating mode, and the driving part is located on one side of the connecti