Key paint spraying and drying device

The utility model relates to the field of paint spraying and drying, and particularly discloses a key paint spraying and drying device which comprises a drying cabinet, lap joint blocks are installed on the inner side wall of the drying cabinet in an array mode, a key bearing mechanism is arranged above the lap joint blocks, and air channels are formed in the upper surface of the key bearing mechanism in an array mode. Cherry shafts are installed on the outer sides of the air channels and located on the upper surface of the drying cabinet in an array mode, an adjusting baffle is arranged in the key bearing mechanism, anti-disengaging cushion blocks are installed at the two ends of the adjusting baffle, and adjusting air channels are formed in the upper surface of the adjusting baffle in an array mode. The positions, corresponding to the air channels formed in the upper surface of the key bearing mechanism, of the adjusting air channels formed in the upper surfaces of the adjusting baffles are controlled, and