Material storage tank capable of preventing material blockage

The utility model relates to the technical field of storage tanks and discloses a storage tank capable of preventing material blockage, which comprises a tank body, support rods are fixedly mounted on two sides of the bottom of the tank body, a discharge pipe is arranged in the middle of the bottom of the tank body, an electromagnetic valve is mounted at the bottom of the inner side of the discharge pipe, and a sealing cover is mounted at the top of the tank body. According to the material discharging device, materials are discharged through the discharging pipe by opening the electromagnetic valve, at the moment, the servo motor is started to drive the connecting sleeve to rotate, the connecting sleeve is buckled to the top of the hexagonal connecting block to be connected with the rotating rod, and therefore the materials can be discharged through the discharging pipe; according to the discharging device, the rotating rod is driven to rotate, so that the spiral blade at the bottom of the rotating rod is dri