PCB grabbing structure

The utility model discloses a PCB grabbing structure which comprises a supporting frame, a plurality of negative pressure suction cups are fixedly installed on the lower surface of the supporting frame, connecting pipes are connected in the negative pressure suction cups, one ends of the connecting pipes are connected with the interiors of negative pressure pipes, one ends of the negative pressure pipes are connected with a negative pressure pump, and the other ends of the negative pressure pipes are connected with a negative pressure pump. The upper surface of the supporting frame is fixedly provided with a plurality of buffer tanks, and the outer wall of each buffer tank is provided with a plurality of air inlet and outlet holes. According to the utility model, the transverse guide rod can be pushed to move by starting the transverse pushing air cylinder, so that the negative pressure sucking disc installed on the lower surface of the supporting frame can be aligned with a PCB; and then a vertical pushing a