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 others 2.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 stand 3.2 Cup body delivery module 3.3 Finished product conveying group 3.4 Twist the lid module 3.5 Clamping unit module 3.6 Bottom label module for measuring cup mouth 3.7 Sticking side label module 3.8 Rotary support module 3.9 Cup body handling module 4.0 Semi-Automatic Flat Labeling Machine 4.1 Depth Detection Module and others.