Suction nozzle exchange station with suction nozzle detection function

The utility model discloses a suction nozzle exchange station with a suction nozzle detection function in the field of chip mounters, which comprises a base plate, an air cylinder is mounted at the end part of the base plate, a PCB (printed circuit board) is fixed below the base plate, a sliding plate is transversely connected above the base plate in a sliding manner, and the telescopic end of the air cylinder is connected with the sliding plate; the upper surface of the sliding plate is provided with at least one notch combination for the suction nozzle to penetrate through, the notch combination comprises a wide notch for the suction nozzle to penetrate through and a narrow notch for a cylindrical part above the suction nozzle to penetrate through, and the wide notch and the narrow notch are transversely arranged and communicate with each other. The upper surface of the substrate is provided with a position hole corresponding to the wide notch, two longitudinal sides of the upper surface of the PCB are resp