The slewing bearing structure online winding packaging machine is mainly suitable for modern operations with large production volume and high logistics efficiency. According to different products and the actual needs of the site, different packaging systems can be customized to automatically complete the processes of goods sensing, packaging, centering and conveying. The conveying mechanism can adopt the form of roller/chain drive, and the automatic film feeding and breaking mechanism can achieve unmanned operation. It is widely applied in industries such as food, beverage, chemical engineering, papermaking and building materials.