Numerically-controlled machine tool spindle lubricating mechanism

The utility model discloses a numerical control machine tool spindle lubricating mechanism which comprises a bottom plate, mounting holes are formed in the four corners of the upper end of the bottom plate, a lower connecting device is fixedly connected to the middle of the upper end of the bottom plate, a spindle body is movably connected to the upper side of the lower connecting device, and an upper connecting device is movably connected to the upper portion of the outer surface of the spindle body. The number of the threaded rods is two, the upper portions and the lower portions of the outer surfaces of the two threaded rods are movably connected with fastening nuts, and the upper end of the upper connecting device and the right end of the lower connecting device are jointly and fixedly connected with a lubricating device. According to the lubricating mechanism for the main shaft of the numerical control machine tool, the upper connecting device, the lubricating device and the lower connecting device are a