Cooling device for plastic granulation

The utility model relates to the field of plastic granulation, in particular to a cooling device for plastic granulation. The driving motor, the bottom groove body and the water suction pump are all fixed to the bottom frame, the driving motor is located at the front end of the bottom groove body, and the water suction pump is located at the tail end of the bottom groove body; the upper tank body is mounted on the bottom tank body, and the upper tank body is communicated with the bottom tank body through a permeable filter plate; the wiring assembly is mounted at the front end of the upper groove body, and the plurality of branching assemblies are rotationally mounted on the upper groove body in a bridging manner; the auxiliary assembly is clamped in the upper groove body, and the two ends are rotationally connected with the inner wall of the upper groove body. The water suction pump is used for pumping cooling liquid in the bottom tank body into the upper tank body; the plastic rubber strip cooling device is