Metal button three dimensional polishing machine

The utility model discloses a metal button three dimensional polishing machine which is used for polishing an edge of the metal button. An up-and-down straight movement mechanism is mounted on a frame of the polishing machine; a left-and-right straight movement mechanism is mounted on the up-and-down straight movement mechanism; a workbench is fixedly mounted on the left-and-right straight movement mechanism; a workpiece stop device is provided on an upper surface of the workbench; a step motor is fixedly mounted under the workbench; the step motor drives the workpiece stop device to rotate; a main motor is fixedly mounted in the frame and drives a main shaft to rotate; a polishing device is fixedly mounted on a front end of the main shaft; and the polishing device is arranged on top of the workpiece stop device. According to the utility model, the machine drives the button to rotate and directly performs an automatic polishing treatment on the metal button, thereby increasing production efficiency, reducing