Efficient and energy-saving rubber double-screw extruder

The invention relates to the technical field of extruders, in particular to an efficient and energy-saving rubber double-screw extruder which comprises a rack, a machine barrel, a heating assembly and a cooling assembly, the rack is provided with a base, a stand column and a supporting seat, the stand column and the supporting seat are arranged on the base, an extruder head is arranged at the tail end of the machine barrel, and a first screw and a second screw are arranged in the machine barrel; a driving assembly and a power distribution box are arranged at the head end of the machine barrel; the heating assembly comprises a heat conduction lining, a medium flow channel, a pipeline electric heater, a first water pipe and a second water pipe. The heat conduction lining is attached to the inner wall of the machine barrel; the medium flow channel is arranged between the heat conduction lining and the inner wall of the machine barrel, and the head end and the tail end of the medium flow channel are provided with