Machining tool for motor core slot

The utility model relates to a machining tool for a motor core slot. The machining tool comprises a guide rail part and a machining edge, wherein the guide rail part is positioned in the front of the tool, and has a rectangular section; the rectangular shape of the guide rail part is similar to that of the core slot to be cut, and is smaller than the design dimension of the core slot; the machining edge is positioned in the rear of the tool, and has rectangular sections; one or more layers of edges are arranged on the surface of the machining edge; the dimension of each edge is matched with that of the core slot to be cut. According to the machining tool, the tool is designed to comprise the guide rail part and the machining edge, the machining edge is provided with multiple layers of edges, the guide rail part of the tool is inserted into the core slot, the tool is pushed, and the inner raised positions of the core slot are cut by the edges on the tool, so that the inner surface of the core slot is flat and smooth; particularly, a cutting edge is additionally arranged, so that the cutting amount of the machining edge is reduced, and the service life of the tool is ensured.