Defective product separating device of screw heading machine

The utility model discloses a defective product separating device of a screw heading machine, which comprises a heading machine body, a defective product detector, a fixing block and a controller are arranged above the heading machine body, the defective product detector is positioned between the fixing block and the controller, a cross beam is arranged on one side of the fixing block, and a plurality of cross beams are arranged on the cross beam. An electric push rod is arranged below the cross beam, a fixing plate is arranged below the electric push rod, the bottom end of the fixing plate is connected with an iron attraction block in a clamped mode, the outer surface wall of the fixing plate is in threaded connection with a screw rod, the screw rod abuts against the iron attraction block, and a motor can drive a baffle to turn over so that the baffle can shield a discharging opening of the conveying plate. And the electric push rod can drive the iron attraction block to move downwards, so that the iron attr