Tool cathode for metal material electrolytic slotting processing

The invention relates to a tool cathode for metal material electrolytic slotting processing. The tool cathode comprises a cathode joint, a cathode cavity, a cavity transition plate, a cathode connecting plate, an electrolyte rectifying plate and a cathode work head; the cathode cavity is a tubular structure with two opened ends, and the cathode joint is fixedly arranged at a center position of anupper end surface of the cathode cavity; the cavity transition plate is stuck on the lower end surface of the cathode cavity, and multiple groups of liquid-passing through holes are correspondingly arranged in the cathode cavity and on the cavity transition plate; the cathode connecting plate is stuck on the lower end surface of the cavity transition plate, and a liquid-passing long seam is arranged on the cathode connecting plate; a pair of electrolyte rectifying plates are arranged on the lower end of the cathode connecting plate and the two sides of the liquid-passing long seam; the cathodework head is connected wi