Pre-pressing device for producing regenerated fireproof flame-retardant polystyrene board

The utility model provides a prepressing device for producing regenerated fireproof flame-retardant polystyrene boards, and relates to the technical field of polystyrene board production, the prepressing device comprises a workbench, a prepressing mechanism and a supporting mechanism, a telescopic rod is inserted in the middle position of the top of a supporting frame, sliding rails are arranged on the inner sides of the two ends of the supporting frame, and the sliding rails are arranged on the workbench. The servo motor is installed on one side of the sliding block on the right side, the rotating block is installed on one side of the sliding block on the left side, the lead screw is fixedly connected between the rotating block and the servo motor, the connecting plate is connected to the lead screw in a threaded mode, and the pressing roller is installed at the bottom of the connecting plate. The height of the compression rollers can be conveniently adjusted through the telescopic rod, the servo motor drive