The invention discloses machine equipment for online mounting of a lifting ribbon. The machine equipment comprises a main body conveying rack, a carton conveying chain device, an adhesive coating device, a reinforcing band mounting device, a stock bin device, a lifting ribbon mounting device, an ultrasonic welding device, an automatic detecting device, an automatic rejecting device, a collecting plate conveying device, a collecting plate stacking device, an automatic unwinding device, an upper plate width adjusting component, a main body station translation cross beam, a transfer control system, a separate plate conveying device, a carton inputting compression roller component, a flip guiding device and a pressing plate guide rod component. The invention also discloses a process flow of the equipment. According to the machine equipment and the process flow thereof disclosed by the invention, mechanical automatic mounting is realized, the production efficiency is high, and the uncontrollability of offline sampling inspection for the quality of a product is overcome; by adoption of an automatic detection technology and an automatic rejection technology, the qualification rate of the quality of the product is 90 to 99 percent, the mounting of lifting handles of gift boxes with various sizes can be finished, labor force for mounting the lifting handles of packing boxes in the milk beverage industry is greatly reduced, and the production cost is reduced.