Machining equipment facilitating rapid and accurate positioning of center hole in end face of graphite electrode

The utility model discloses a processing device convenient for fast and accurate positioning of graphite electrode end face center hole, comprising an outer shell, the upper end of the outer shell is provided with a protective cover, the front side of the outer shell is provided with a closing plate, one side of the closing plate is provided with a placing groove, and the inner wall of the placing groove is provided with a positioning block. The positioning blocks are annularly distributed on the inner wall of the containing groove, graphite electrodes are arranged on the inner walls of the positioning blocks and placed in the containing groove in an inserted and supported mode through the positioning blocks, a drill bit is arranged at the upper end of each graphite electrode, a rotating motor is arranged at the upper end of each drill bit, and the positions of the drill bits are matched with the positions of the graphite electrodes. According to the machining equipment capable of conveniently, rapidly and ac