Battery steel shell production, centralized cup punching and cup supply system---independent cup punching machine punches the rough steel cup of the first station (more than 10 cups to more than 20 cups are punched each time), through automatic concentration The cup delivery system transports the steel cup to each multi-station punching machine for re-stretching and forming. Functions and automatic control systems can be added according to customer needs. It is suitable for the production of AA, AAA, new energy battery steel shell. Has many years of actual installation and commissioning experience.