Swirler blade electrolytic machining tool and method thereof

The electrochemical machining tool comprises a fixing assembly, a flow guide assembly, a backflow assembly, a machining cathode and a feeding assembly, the fixing assembly fixes a swirler, the flow guide assembly is arranged on the fixing assembly, the backflow assembly is in sliding fit with the flow guide assembly, and the backflow assembly and the swirler define a machining gap; the machining cathode is arranged on the backflow assembly, the feeding assembly is connected with the backflow assembly, the flow guiding assembly comprises a guiding piece arranged on the fixing assembly and a liquid inlet piece covering the guiding piece, a spiral rotating guiding groove is formed in the guiding piece in a concave mode, and the rotating direction of the rotating guiding groove is the same as the rotating direction of the swirler blade. A liquid inlet cavity is defined by the liquid inlet part, the guide part and the fixing assembly, a flow guide cavity is defined by the rotary guide groove and the fixing assembl