Spraying device for outer surface of bottle blank

The utility model discloses a bottle blank outer surface spraying device, which comprises a spraying mechanism, a spraying mechanism, a spraying mechanism, a spraying mechanism, a spraying mechanism and a spraying mechanism, wherein the spraying mechanism comprises a spraying gun, a spraying gun mounting plate and a spraying gun mounting frame; a plurality of spray gun mounting racks are fixed on the spray gun mounting plate, spray guns are connected to the spray gun mounting racks, and the spray guns are simultaneously connected with an access gate valve control air pipe, an atomization air pipe and an anti-wear coating liquid access pipe; a plurality of spray guns are uniformly arranged in the peripheral direction of each PET bottle blank; the atomized liquid recycling mechanism comprises a vacuum generator, a recycling box body, a filter element and a liquid storage cylinder; the vacuum generator is connected with an air inlet pipe and an air outlet pipe, the recycling box body is arranged above the vacuum