Automatic turn-over connecting device for mask sheets

The utility model discloses an automatic mask sheet turnover connecting device which comprises a first conveying belt, an electrostatic chuck, a first belt pulley, a rotating shaft, a belt, a second belt pulley, a turnover motor, a second conveying belt, a lifting support, a rack, a gear, a lifting motor, a workbench, a support and an electrostatic generator. An electrostatic chuck is arranged onthe right side of the first conveying belt, a rotating shaft is installed on the upper side of the electrostatic chuck and rotationally connected with the lifting support, a first belt pulley is fixedly installed on the lower side face of the electrostatic chuck and linked with a second belt pulley through a belt, and the second belt pulley is installed on a rotating shaft of an overturning motorwhich is fixed to the lifting support; the lifting support is movably connected with the second support and the third support, a rack is fixed to the inner wall of the lifting support and meshed witha gear, the gear is install