Container unloading device

The utility model discloses a container unloading device which comprises a supporting frame and a movable frame arranged at the bottom of the supporting frame, and the supporting frame is integrally welded. The vibrating hopper is arranged in the center of the lower part of the outer side surface of the support frame; the positive pressure air seal machine is arranged on the lower portion of the supporting frame; the air return pipe is arranged in the center of the outer side face of the supporting frame. The high-pressure air inlet is formed in the air inlet of the positive-pressure air seal machine and connected with the air inlet of the positive-pressure air seal machine; the flour discharge port is arranged at the air outlet of the positive pressure air seal machine and is connected with the air outlet of the positive pressure air seal machine; and the vibration motor is arranged at the bottom of the vibration hopper. According to the container unloading device, the flour discharging port is connected int