Fastener steel forming and surface composite passivation device

The utility model discloses a fastener steel forming and surface composite passivating device, which belongs to the field of forming and passivating devices, and comprises a support frame, a lifting mechanism and a forming and passivating mechanism, the lifting mechanism comprises two screws, a first motor and a chain, the two lifting rods are rotationally installed on two vertical plates of the supporting frame correspondingly, the lifting rods are installed between the two screw rods, and the first motor is fixedly installed on a top plate of the supporting frame; the forming passivation mechanism is arranged, an air pump can suck in external air, the external air is conveyed into first air spraying pieces and second air spraying pieces through air pipes and then sprayed out through high-pressure nozzles, the two first air spraying pieces can rotate under the thrust of air, turbulent flow air is formed, and therefore the just quenched fastener is cooled, and the service life of the fastener is prolonged. An