CNC tapping automatic inner hole oiling device

The utility model provides a CNC tapping automatic inner hole oiling device which is applied to the field of machine tool machining and comprises a shell, an oil bin, a metal inductor, a peristaltic pump, an electric quantity display, a relay, a battery, a starting power source, a cutter handle and a control chip. The cutter handle, the shell and the oil bin are sequentially connected from top to bottom. One end of the oil bin is an oil injection end, and one end of the cutter handle is a movable end. The metal inductor is arranged on the oil bin and located on the face, facing machining, of the end portion of the oil injection end, the peristaltic pump is arranged in the oil bin and communicates with the metal inductor, and the battery, the relay, the electric quantity display and the control chip are all arranged in the shell. The technical problems that in the prior art, oil is injected into an inner hole through manual operation and an oil injection gun or an oil injector in a traditional method, but the