▎ 摘　　要

NOVELTY - The utility model claims a large area high quality single-layer graphene film optimized preparation device, comprising a pedestal, one side of the upper surface of the pedestal is fixedly connected with a shaft bracket; the inner side of the shaft bracket are respectively connected with the first pressing roller and the second pressing roller, the first pressing roller surface against the surface of the second pressing roller through shaft, the upper end of the shaft bracket through bracket is fixedly connected with a locating plate, one side of the upper surface of the locating plate is fixedly connected with side plates, the inner side of the side plate upper end is fixedly connected with a lath. the inner side of the panel is provided with a round hole, the inner side of the sliding sleeve is the round hole with round rod, the upper end of the circular rod is fixedly connected with the extruding plate, lower end of the circular rod is fixedly connected with a cutter, the upper end of the cutting knife is fixedly connected with a spring. the preparation device can carry out effective winding the manufactured graphene thin film, but also to effectively protect the graphene film, improves the production efficiency of the later ending work.