Preheating device for processing ABS (Acrylonitrile Butadiene Styrene) polymer composite material

The utility model discloses a preheating device for ABS polymer composite material processing, which comprises a heating box and a uniform pressing plate, the uniform pressing plate is movably installed on the upper portion of the heating box, a plurality of groups of discharging top plates are fixedly installed on the outer surface of the lower end of the uniform pressing plate, and the discharging top plates are arranged at the lower end of the uniform pressing plate side by side at equal intervals. A plurality of sets of strip-shaped notches used in cooperation with the discharging top plate are formed in the heating box, the discharging top plate is movably connected to the inner sides of the strip-shaped notches in a sleeving mode, a plurality of sets of heat conduction pipes are fixedly installed in the heating box, the heat conduction pipes are arranged on the side edges of the strip-shaped notches, and a material collecting box is movably installed on one side of the heating box. According to the preh