Hot pressing device for producing multi-layer composite environment-friendly corrugated board

The utility model discloses a hot pressing device for producing a multi-layer composite environment-friendly corrugated board, which comprises a working table, a heating plate is arranged on the upper surface of the working table, a sealing heating mechanism is arranged on the working table, a feeding and discharging mechanism is arranged on the working table, the sealing heating mechanism comprises an annular groove positioned at the upper end of the working table, a liftable sealing box body is arranged above the heating plate, a movable pressurizing roller is installed in the sealing box body, the feeding and discharging mechanism comprises a feeding frame installed on one side of the upper surface of the workbench, and a discharging groove is formed in one side of the upper surface of the workbench. The paperboard heating device has the advantages that the paperboard and the heating plate can be covered through the sealing box body, then heat loss can be reduced, energy can be saved, when the paperboard i