Automatic knurling machine for piano hammer head handle

The utility model relates to the technical field of piano hammer head processing, and provides an automatic knurling machine for a piano hammer head handle, which comprises a bottom plate, a feeding bin, a discharge port, a knurling device, a bottom cover and a telescopic device, the feeding bin is arranged on the bottom plate and is provided with the discharge port, an upper plate is arranged on the feeding bin and is positioned at the edge of the discharge port, and the knurling device is arranged on the bottom cover. The lower plate is arranged on the bottom plate in a sliding mode through the first sliding plate, the telescopic device is arranged on the bottom plate, the telescopic end of the telescopic device is arranged on the first sliding plate, the base is arranged on the bottom plate, the second sliding plate is arranged on the base, the bottom cover is arranged on the sliding plate and located below the discharging port, the supporting plate is arranged on the base, and the shaft rod is arranged on