Automatic steel ball pressing equipment for automobile main rotating hub

The utility model relates to the technical field of steel ball press fitting, in particular to automatic steel ball pressing equipment for an automobile main rotating hub, which comprises a workbench, a base rotating mechanism, a press fitting mechanism and a lifting mechanism are arranged on the workbench, the press fitting mechanism is in driving connection with the lifting mechanism, and the base rotating mechanism is arranged right below the press fitting mechanism; the press-fitting mechanism comprises a nitrogen spring set, a press-fitting head and four ejector rods, and the ejector rods are in driving connection with the nitrogen spring set; four independent steel ball conveying channels are arranged in the press-fitting head, and an ejector rod is correspondingly inserted into each steel ball conveying channel; each push rod is provided with a pressure sensor and a displacement sensor. According to the steel ball press-fitting device, four steel balls can be press-fitted each time, and the pressure ap