▎ 摘　　要

NOVELTY - The utility model claims a crimping device for production of graphene film, comprising: two sides of the upper end of the base are welded with a support rod the upper end of the support rod welded with a top plate, two sides of the upper end of the top plate are fixedly installed with a hydraulic cylinder, the output end of the hydraulic cylinder through the top plate is fixedly connected with a lifting rod, the lower end of the lifting rod fixedly connected with a pressing plate, the upper end of the pressing plate is provided with a protective mechanism, two sides of the pressing plate are welded with a sliding sleeve, the sliding sleeve is sleeved on the outer part of the supporting rod The utility model model claims an infrared ray human body sensor. the signal line and the processor are matched with each other, the infrared human body sensor respectively for detecting the two sides of the pressing plate, the processor is fed back by the infrared human body sensor, when the hand of the person is in the dangerous state, the hydraulic cylinder will not be started, the pressing device has high safety performance in the operation process, the health of working staff protection .