▎ 摘　　要

NOVELTY - The utility model model claims a printing box for large sheet-shaped automatic packaging line, belonging to the technical field of printing box for large sheet-shaped automatic packaging line, wherein the first printing box plate and the second printing box plate are connected by flexible connection adapter, the top of the corrugated board is sprayed with an emulsion layer, the top part of the emulsion layer is fixedly assembled with a glass fibre plate, the top of the glass fibre plate is fixedly assembled with a reinforcing fibre felt, the inner cavity of the reinforcing fibre felt is uniformly embedded with a reinforcing rib, the top of the reinforcing fibre felt is fixedly assembled with a waterproof layer, the top of the waterproof layer is provided with a graphene aqueous painting layer, the top part of the graphene aqueous painting layer is provided with a printing ink pattern layer, improving the whole strength, improving the weather resistance and aging resistance of the glass fibre plate, the graphene aqueous painting layer has strong weather resistance, improving the hydrophobicity of the glass fibre plate, It ensures the hardness of the whole box body after the box body, and it is convenient to manufacture the box body.