This machine integrates bottle feeding, cap sorting, cap capping, cap screwing and bottle discharging. Each transmission part has advanced structure, with clutch alarm device. Intelligent control of the whole machine. When bottles are stuck in and out, the machine will stop by alarm, stop by alarm when the cover is missing, and start automatically when the cover is reset. In the process of screwing cover, the screwing cover effect is tight and excellent, and there is no loose cover or slanting cover, and the screwing cover efficiency is high. Permanent magnet clutch controls torque, and the torque is adjustable. Customized and personalized, customers can choose automatic nitrogen filling and automatic rejection of unqualified products according to their needs, which can quickly change production within 15 minutes. Smooth operation, low noise, wide application range, and easy connection with filling and labeling equipment in front and back channels.