Air pipe flange production line and production line control method thereof

The invention discloses an air duct flange production line and a production line control method thereof. The air duct flange production line comprises a feeding station, a punching and shearing station, an arrangement station, a manipulator, a welding station, a receiving station and a control system, and the control system is in communication connection with the feeding station, the punching and shearing station, the arrangement station, the manipulator, the welding station and the receiving station; the control method comprises the steps that the control system obtains input data, a matching relation between a finished workpiece and a cutting piece is established, a machining work order is determined according to a database and angle steel raw material data, and the finished workpiece is machined; the production line comprising the feeding station, the punching and shearing station, the arrangement station, the mechanical arm, the welding station and the material receiving station is arranged, feeding and d