Cooling device for polyurethane composite board

The utility model relates to the technical field of polyurethane composite board processing, and discloses a cooling device for a polyurethane composite board, which comprises a base, two supporting legs symmetrically distributed front and back are arranged on each of the left side and the right side of the bottom of the base, and a box body is arranged on the top of the base. A conveying assembly is arranged between the front side and the rear side of the inner wall of the box body, cooling assemblies are arranged on the left side and the right side of the inner top wall of the box body, and a refrigerating assembly which extends into the box body and is fixedly connected with the two cooling assemblies is arranged at the top of the box body. According to the cooling device for the polyurethane composite board, the adjusting mechanism is arranged, a driving motor is started to drive a cam to rotate, a connecting plate is pulled by the action of a limiting rod to move front and back, an air outlet pipe is dri