▎ 摘　　要

NOVELTY - The utility model relates to graphene heat conducting film flat pressing machine technology field, especially relates to a hydraulic machine with vacuum function, a main machine, the front door and the back door are sealed to form a vacuum chamber, the vacuum pump is vacuumized, the rectangular hole is convenient for the operator to move up and down, after the vacuum chamber is sealed, the vacuum pump is vacuumized, the main oil cylinder is pressed downwards, the graphene material is repeatedly pressurized under the vacuum state, the pressure stepped growth, stepped pressure maintaining, finally reaching the product quality requirement, effectively preventing bubble generation; It comprises a safety cylinder, a main oil cylinder, a lifting cylinder, a guide wheel, a movable door, a clamping cylinder, a back door, a front door, a compression spring, a pressing plate, an inclined wedge, a vacuum pump, an electric oil pump system, a hydraulic pump station and a main machine, the main machine is a frame structure, the upper and lower left and right of the main machine are sealed structure, the main oil cylinder is installed in the machine frame central hole of the main machine, the inner part of the main machine is provided with a cross beam, the cylinder opening end of the main oil cylinder is fixed on the cross beam by a bolt, the back part of the main machine is provided with a back door.