Quick cooling device of plastic vacuum forming machine

The utility model discloses a quick cooling device of a plastic vacuum forming machine, which belongs to the technical field of refrigerator liner production and comprises an air blowing device and a placing frame. The air blowing device comprises a base, an air blower and a cooler; a groove is formed in the middle of the top face of the base, a ventilation cavity is formed under the groove, and a plurality of strip-shaped ventilation holes communicating with the ventilation cavity are evenly formed in the bottom face of the groove. An air outlet of the blower is connected with the ventilation cavity through a first connecting pipe, and an air inlet of the blower is connected with the cooler through a second connecting pipe; the cooler comprises a shell, the interior of the shell is hollow, one side of the shell is connected with the second connecting pipe, a plurality of air inlet cylinders are evenly distributed on the other side of the shell, the air inlet cylinders are horn-shaped, and the small-diameter