Discharging and weighing system of rice milling machine

The invention discloses a discharging and weighing system of a rice milling machine. The system comprises a feeding pipe, a discharging pipe and a storage box, the top of the storage box is provided with the feeding pipe through screws, and the discharging pipe is arranged at the bottom of the storage box through screws; an electromagnetic valve is arranged on the discharging pipe, and a curing layer is arranged on the outer surface layer of the storage box, a mounting shell is installed on one side of the storage box through screws, a single-chip microcomputer controller is stored in the mounting shell, sliding rails are arranged on two sides of the inner wall of the storage box, a weighing plate is arranged between the sliding rails; a rubber discharging hopper is arranged at a discharging opening of the weighing plate through screws, a spring is arranged between the weighing plate and the bottom in the storage box through screws, and a weighing sensor is arranged at one end of the spring through a limiting