Shaping and cooling device for extrusion molding production of plastic plates

The invention discloses a shaping and cooling device for extrusion molding production of plastic plates. The device comprises a shaping mold and a water tank. The shaping mold comprises an upper moldand a lower mold, wherein an upper groove, a lower groove, a plurality of upper slits, a plurality of lower slits, an upper cavity and a lower cavity are correspondingly arranged in the upper mold andthe lower mold; an upper air inlet and a lower air inlet correspondingly communicating with the upper cavity and the lower cavity and a plurality of upper water inlets and lower water inlets are correspondingly formed in the front sides of the upper mold and the lower mold correspondingly, the upper groove and the lower groove are oppositely combined to form a channel, and the two ends of the channel are a feeding end and a discharging end correspondingly; and a conveying belt and a plurality of water spraying discs are arranged in the water tank, a feeding end of the conveying belt is in butt joint with a discharging