PS sheet shaping device

The utility model provides a PS (polystyrene) sheet shaping device, which relates to the technical field of sheet shaping and comprises a working platform, a lifting area is arranged on one side of the working platform, a base is arranged at the bottom of the working platform, a fixing plate is arranged on one side of the base, hydraulic telescopic rods are arranged on the top of the fixing plate close to two sides, and the hydraulic telescopic rods are connected with the lifting area. A supporting plate is arranged at the top of each hydraulic telescopic rod, and an arc-shaped supporting plate is arranged at the top of each supporting plate. The hydraulic telescopic rod is used for driving the rotating columns on the supporting plate and the arc-shaped supporting plate and the winding drum to move up and down repeatedly, so that the winding drum can be conveniently replaced after materials are used up, the winding drum can be rolled through the conveying roller in the sliding groove, and the winding drum can