Cooling device for wedge-shaped PVB (polyvinyl butyral) intermediate film

The utility model relates to the technical field of plastic extrusion equipment, in particular to a cooling device for a wedge-shaped PVB (polyvinyl butyral) intermediate film, which comprises a water tank main body, a water inlet and a water outlet are simultaneously arranged at the side end of the water tank main body close to the bottom, and a feed port and a discharge port are arranged at the upper end of the water tank main body; a first casting system is arranged at the upper end of the water tank main body, and a second casting system is arranged in the water tank main body; the cooling curtain coating device can be better suitable for cooling curtain coating of the wedge-shaped PVB intermediate film, the stroke air cylinder in the curtain coating system can adjust the roller to form a wedge-shaped channel, then the cooling curtain coating device is suitable for cooling curtain coating of PVB intermediate films with various wedge-shaped angles, the problem that pressure on the two sides of the wedge-sh