Pressurizing and pasting device for hard and brittle sheet

The utility model relates to the field of auxiliary equipment of hard and brittle material surface-mounting equipment, in particular to a pressurizing surface-mounting device for a hard and brittle sheet. The device comprises a base platform bottom plate, and a rotary electric cylinder is installed on the base platform bottom plate; the linear module is connected with the rotary electric cylinderthrough a lifting bracket; the turnover cylinder is mounted at the front end of the linear module; the chip mounting arm is connected with the overturning cylinder; the chip mounting head assembly comprises a suction cup seat. The air bag is attached to the center of the suction cup seat through a pressing ring. A plurality of vent holes are formed in the upper surface of the sucker seat, and a through hole is formed in the center of the sucker seat and connected with an air bag; the guide shaft is mounted at the bottom of the suction cup seat and is sleeved with the patch arm in a matched manner; and the spring is sl