Gantry plate grabbing vacuum releasing device

The utility model discloses a gantry plate grabbing vacuum releasing device which comprises a supporting plate, fixing rods are arranged at the left end and the right end of the supporting plate, connecting plates are arranged at the two ends of each fixing rod, a plurality of fixing plates are arranged on the connecting plates, and vacuum adsorption assemblies are arranged on the fixing plates. The release assembly and the vacuum adsorption assembly are used in cooperation, vacuum adsorption is conducted on plates through the sponge suction cup, meanwhile, the release air cylinder is rapidly contracted to drive the release hammer head to move up and down to knock the first layer of plate, the first layer of plate is vibrated, and air enters the position between the first layer of plate and a second layer of plate; and meanwhile, through cooperative use of a connecting plate, a connecting block, a sliding groove, a positioning bolt and a fixing plate, the distance between the two vacuum adsorption assemblies