Circuit board bearing and transferring device

The utility model provides a circuit board bearing and transferring device. The circuit board bearing and transferring device comprises an overturning plate and a conveying mechanism. Coaxial rotating shafts are arranged on the two sides of the turnover plate, sliding rods parallel to the rotating shafts are arranged on the two sides of one end of the turnover plate, air bags are arranged on the peripheral sides, corresponding to the bearing circuit board, of the turnover plate, and when the air bags are inflated, the outer walls of the air bags make contact with the surface and the side face of the circuit board, so that the circuit board is tightly pressed on the surface of the turnover plate. The conveying mechanism comprises two parallel side plates arranged at intervals, guide rails are arranged on the outer sides of the side plates, the overturning plate is arranged between the two side plates, the rotating shaft is movably arranged in the length direction of the guide rails, a strip-shaped groove perpe