Automatic wool ball replacing system and automatic wool ball replacing method

The invention relates to an automatic wool ball replacing system and an automatic wool ball replacing method. The invention is applicable to the technical field of automobile production. According to the technical scheme, the automatic wool ball replacing system is arranged in a polishing station, a wool ball is installed on a polishing head at the end of a mechanical arm in the polishing station, and the automatic wool ball replacing system is characterized by comprising a replacing rack arranged in the polishing station, and the top face of the replacing rack is provided with an opening through which the wool ball can pass; the wool ball dismounting module is arranged below the top surface of the replacement rack and is used for being inserted between the wool ball and the polishing head after the wool ball passes through the open hole so as to separate the wool ball from the polishing head; the wool ball feeding module is arranged on the upper surface of the top face of the replacement rack and used for in