Novel roadbed plate for polyethylene plate production

The utility model relates to the technical field of polyethylene plate production, in particular to a novel roadbed plate for polyethylene plate production. According to the technical scheme, the novel roadbed plate for polyethylene plate production comprises a positioning groove, a bottom plate, a rubber strip and a sliding plate, the positioning groove is formed in the bottom plate, a through hole is formed in the positioning groove, the rubber strip is movably installed in the through hole of the positioning groove, and the sliding plate is movably installed on the bottom surface of the bottom plate. Sliding blocks are arranged on the two sides of the sliding plate, limiting grooves are formed in the positions, located on the two sides of the sliding plate, of the bottom plate, the sliding blocks of the sliding plate slide in the limiting grooves in a limited mode, protruding blocks are arranged on the contact faces of the rubber strips and the sliding plate, and magnets are embedded in the top ends of the