Screening device for carbonized rice husk processing

The utility model discloses a material screening device for carbonized rice husk processing, which relates to the technical field of rice husk processing equipment and comprises a bottom plate, a material collecting frame is arranged in the middle of the upper surface of the bottom plate, a screening device is arranged at the top of the bottom plate, a motor is arranged at the top of the screening device, and the screening device comprises two support plates. Two sliding blocks are arranged in the middles of the two supporting plates, a long column is arranged in the middles of the two sliding blocks, a vibration cylinder is arranged outside the long column, the motor is started, a rotating shaft of the motor drives the short column to rotate through the short plate, the short column drives the long plate to move downwards, and therefore the long plate drives the connecting column to vertically move up and down, and the connecting column drives the long column to vertically move up and down; when the long col