An ultrasonic welding leak detection automatic integrated cup production line。The components are as follows：1.Ultrasonic welding group： 1.1 Ultrasonic welding stand； 1.2 Cup lid placement module； 1.3 Cup lid handling module； 1.4 Grating NA2-N20 and others2.Cup lid leak detection module； 2.1 leak test bench； 2.2 Leak Test Module； 2.3 Screw cap module； 2.4 Protective cover on leak detection module； 2.5 Manual operation box； 2.6 Electric control box； and others.3.Main body。 3.1 Mainline stand3.2 Cup body delivery module3.3 Finished product conveying group3.4 Twist the lid module3.5 Clamping unit module3.6 Bottom label module for measuring cup mouth3.7 Sticking side label module3.8 Rotary support module3.9 Cup body handling module4.0 Semi-Automatic Flat Labeling Machine4.1 Depth Detection Moduleand others.