Assembly mold and method for preparing composite container bottom plate with straw as core layer

The invention relates to the technical field of composite structural plate processing, and provides a mold and method for preparing an assembly of a composite container bottom plate with straw as a core layer, the mold comprises an upper flat plate shaped like a Chinese character'hui ', a lower flat plate shaped like a Chinese character'hui', a movable baffle device and a lifting adjusting device, and the center of the upper flat plate shaped like a Chinese character'hui 'and the center of the lower flat plate shaped like a Chinese character'hui' form a plate paving space; the movable baffle devices are installed on the front portion, the rear portion, the left portion and the right portion of the plate paving space, and the lifting adjusting device is installed between the concentric-square-shaped upper flat plate and the concentric-square-shaped lower flat plate. The movable baffle device comprises a top positioning baffle, a top push rod, a top movable control assembly and a top support. The device has the