锂离子电池卷绕机作为锂离子电池生产的关键设备之一，其性能直接影响锂离子电池的生产效率和产品质量。文中提出了一种隔膜连续高速卷绕机，介绍了其工作流程、主要模块及控制策略，并进一步阐述了隔膜追切技术、卷针吸附技术及自动变卷径技术的实现方法和结构。这三种新技术将卷绕机的整机效率提高了30%以上，有效提高了生产效率，并有助于实现卷绕电芯的规模化生产。

As one of the key equipment in li-ion battery production, the performance of li-ion battery winding machine directly affects the production efficiency and product quality of lithium wound battery. This work proposes a separator continuous high-speed winding machine, introduces its workflow, main modules and control strategies.Three innovative technologies have been applied in this machine, including the implementation methods and structures of separator cutting technology,separator absorption technology and automatic mandrel diameter adjusting technology. Benefiting from the application of these creative technologies, the overall efficiency of the winding machine increased by more than 30%, making a significant contribution to achieve large-scale production of wound battery cells.