Support plate device for glass substrate evaporation

A plate carrying device for glass substrate evaporation comprises a supporting plate, the supporting plate is provided with two mounting holes, suction cup assemblies are installed in the mounting holes to be fixed, each suction cup assembly comprises a suction cup located on one side of the supporting plate, a mounting sleeve is arranged at the bottom of each suction cup, and a flange is arranged at the position, located at one end of each suction cup, of the outer wall of each mounting sleeve. A protruding ring is arranged at the end, close to the suction cup, in the installation sleeve. The sliding plug is installed in the installation sleeve in a sliding mode. A connecting rod is fixedly arranged on the side, away from the suction cup, of the sliding plug. The end, away from the sliding plug, of the connecting rod extends out of the fixing cover. One end of the spring abuts against the sliding plug, and the other end of the spring abuts against the fixing cover, so that the sliding plug abuts against the