Energy-saving type automobile air conditioner flange piece automatic tapping equipment

The utility model relates to the technical field of flange piece machining, and discloses an energy-saving automatic tapping device for an automobile air conditioner flange piece, which comprises a machining table, a storage groove is formed in the middle of the top of the machining table, a flange is placed in the storage groove, and grooves are formed in the top of the machining table and located on the two sides of the storage groove. Two grooves are formed in the flange, supporting plates are movably installed in the two grooves, first hydraulic rods are fixedly installed at the tops of the two supporting plates, clamping plates are fixedly installed at the telescopic ends of the two first hydraulic rods, the two clamping plates are located on the two sides of the flange respectively, and the side faces, close to the flange, of the two clamping plates are arc faces. According to the flange tapping device, the position of a flange piece needing to be tapped can be fixed, the flange pieces of different heig