Pressure switch calibration testing machine

The utility model relates to the technical field of calibration testing machines, and discloses a pressure switch calibration testing machine. The pressure switch calibration testing machine comprises a base, an action groove is formed in the top wall of the base, adjusting screw rods are arranged on the left side wall and the right side wall of an inner cavity of the action groove, rotating buttons are arranged at the right ends of the adjusting screw rods, and the rotating buttons are located on the right side of the base. According to the scheme, the base, the adjusting screw rod, the acting frame and other devices are arranged to be matched, so that the device can conveniently detect the contact of the pressure switch, the device can conveniently position and fix the pressure switches of different models, and the practicability of the device can be improved; through cooperation of the rotating wheels, the acting frame, the base and other devices, the device can conveniently support the acting frame, the r