Kitchen garbage extruding machine

The kitchen waste extruding machine comprises a bottom frame assembly, a spiral shaft is arranged on the bottom frame assembly in a supporting mode, and the outer circle of the spiral shaft is sleeved with a feeding screen set, a middle screen set, a movable screen set and a pneumatic turning plate barrel. The movable screen set is connected with a sliding control system, and gaps among the feeding screen set, the middle screen set, the movable screen set and the spiral shaft are communicated to form a conveying and filtering cavity. The discharging end of the pneumatic turning plate cylinder is arranged in an opening and closing mode in the radial direction so as to adjust the discharging gap between the discharging end of the pneumatic turning plate cylinder and the spiral shaft, a material blocking area is formed by the movable screen set, the pneumatic turning plate cylinder and the discharging end of the spiral shaft, and the sliding control system is used for controlling the sliding of the pneumatic tur