Integrated device and system for machining groups of holes by electrolysis of tubular electrodes, drilling and grinding

The application discloses an integrated device and system for machining groups of holes by electrolysis of tubular electrodes, drilling and grinding. The integrated device comprises an electrolyte tank, a spindle and a plurality of sets of tubular electrode assemblies, wherein a first end of the spindle runs through the top of the electrolyte tank; a second end of the spindle is arranged in the electrolyte tank; a first gear is fixedly arranged at the second end of the spindle; each tubular electrode assembly comprises a manipulator, an electrolyte conveying tube, a tubular electrode and an electrically-conductive ring; the manipulators run through and are fixedly connected with the bottom of the electrolyte tank; second gears are arranged at one ends of the manipulators and engaged with the first gear respectively; the electrolyte conveying tubes run through the manipulators and are communicated with the electrolyte tank and the tubular electrodes; one ends of the tubular electrodes are fixedly connected to