Paperboard hot-pressing laminating machine

The utility model discloses a paperboard hot-pressing laminating machine which comprises two plate bodies, the two plate bodies are connected through a supporting rod, an electric telescopic rod is fixedly connected to the center of the bottom of the top plate body, a sliding plate is fixedly connected to the bottom of the electric telescopic rod, and the sliding plate is slidably connected with the supporting rod through a limiting ring. Multiple sets of limiting mechanisms are fixedly connected to the bottom of the sliding plate, hot pressing rollers are arranged at the bottoms of the limiting mechanisms, a conveying belt is fixedly connected to the top of the plate body at the bottom, and each limiting mechanism comprises a mounting box fixedly connected with the sliding plate, a spring is fixedly connected to the top end of the inner wall of the mounting box, and a sliding block is fixedly connected to the bottom of the spring; the arrangement of the limiting mechanism facilitates better limiting of the h