Power supply structure of electric grinding machine tool

The invention discloses a power supply structure of an electric grinding machine tool. The power supply structure comprises an electric power management module, an electric power connecting wire and a battery socket, wherein the electric power management module is arranged on an electric grinding machine tool body; the electric power connecting wire is electrically connected with the electric power management module and extends out of the electric grinding machine tool body; the battery socket is connected with the electric power connecting wire and can change the position at will based on the electric power connecting wire; a replaceable battery is selectively arranged on the battery socket; and the battery socket is provided with a guide sliding groove and at least two conductive terminals, wherein the guide sliding groove is formed corresponding to a boss on the replaceable battery, and the conductive terminals are arranged in the guide sliding groove. By changing the power supply structure of the electric