Anti-blocking spiral feeding mechanism

The utility model discloses an anti-blocking spiral feeding mechanism which comprises a shell, a discharging port and a spiral main shaft, the shell is provided with an anti-blocking connecting port, the anti-blocking connecting port is located over the discharging port, the anti-blocking connecting port is provided with an anti-blocking sealing piece, the anti-blocking sealing piece is provided with an anti-blocking actuator and an anti-blocking device, and the anti-blocking actuator and the anti-blocking device are arranged on the spiral main shaft. The lower portion of the blockage breaking actuator is connected with the blockage breaking device, and the blockage breaking actuator is used for driving the blockage breaking device to move up and down so as to push materials to the discharging port in time. According to the utility model, the blockage and jamming phenomena of materials in the conveying process can be effectively reduced, and the stable flowing of the materials is kept; the continuous operatio