This article designs a kind of automatic feeding device for the belt drum station, featuring high automation and compact layout, which can simultaneously meet the feeding needs of the belt layer and tread for both micro truck and light truck tires. In response to the trend of the tire market shifting from mass production to diversified small batches, this device significantly enhances the production flexibility of the building machine, supports rapid model change and flexible response to market changes, and provides a practical solution for enterprises to enhance adaptability, reduce costs, and improve efficiency.