Novel plastic recycling granulating cylinder

The invention discloses a novel plastic recycling granulating cylinder. The novel plastic recycling granulating cylinder comprises a heating cylinder and a screw extruding cylinder which are communicated with each other, wherein the heating cylinder is positioned above the screw extruding cylinder, and is composed of a cylindrical cylinder body at the upper part and a conical cylinder body at the lower part; the top surface of the cylindrical cylinder body is provided with a hot air inlet; the lower part of the side surface of the cylindrical cylinder body is provided with an exhaust opening; a stirring shaft is arranged along the central axis of the heating cylinder; the upper end of the stirring shaft penetrates out of the heating cylinder and is driven by a driving mechanism; the lower end of the stirring shaft is positioned in the conical cylinder body; a screw is arranged along the central axis of the screw extruding cylinder; the upper end of the screw extends into the conical cylinder body and is coaxi