Energy-saving cooling device for plastic extruding machine

The utility model discloses an energy-saving cooling device for a plastic extruding machine, which comprises a water cooling box which is vertically separated and communicated, and the water cooling box comprises a pipeline box with two transverse ends in opening structures and water collecting boxes which are arranged below the pipeline box and communicated with each other; a cooling assembly is connected between the pipeline box and the water collecting box, and cooling pipes with water outlet holes are connected between the front extrusion rod and the rear extrusion rod; a circulating water pump is installed between the cooling pipes and the water collecting tank, a solution enters the circulating water pump through the water inlet pipe, then enters the cooling pipes through the coil pipe and then cools the pipeline through the water outlet holes, in the process, the water cooling tank is small in structure, the diameter of the pipeline tank is twice that of the pipeline, and less solution is used in the p