Multi-station automatic leak hunting machine

A multi-station automatic leak hunting machine disclosed by the present invention comprises a rack and a plc controller, the top of the rack is provided with a workbench, the workbench is provided with a plurality of cup placing discs, the lower parts of the cup placing discs are connected with hollow screws, the hollow screws are connected with a vacuum pipeline, the vacuum pipeline is connected with the vacuum end of a vacuum generator, and the vacuum generator is connected with the vacuum end of the PLC controller. The air inlet end of the vacuum generator is connected with the air source header pipe through an air inlet pipeline, the air outlet end of the vacuum generator is connected with an air outlet pipeline, a photoelectric sensor is arranged in the hollow screw rod, and the plc is electrically connected with the vacuum generator and the photoelectric sensor. According to the invention, each leakage detection station is independently provided with the vacuum generator, so that independent leakage det