Hardware fitting electroplating auxiliary device with air purification mechanism

The hardware fitting electroplating auxiliary device with the air purification mechanism comprises an electroplating bath, a transverse plate is fixedly connected to the position, close to the top, of the left side of the electroplating bath, a shell is fixedly connected to the top of the transverse plate, and a lead screw is arranged in an inner cavity of the shell; first bearings are fixedly connected to the top and the bottom of the shell correspondingly, the bottom ends of the lead screws are inserted into inner cavities of the adjacent first bearings, and the top ends of the lead screws penetrate through the inner cavities of the adjacent first bearings and extend to the tops of the inner cavities of the adjacent first bearings. Through mutual cooperation of a connecting rod, an air inlet pipe, an air collecting hood, a first connecting pipe, a draught fan, a lead screw, a vertical rod, a lifting rod, a threaded sleeve and other components, the distance between the air collecting hood and an electroplati