Mask ear band welding mechanism

The invention provides a mask ear band welding mechanism. The mask ear band welding mechanism comprises a rack; the mask conveying device is arranged on the rack and used for conveying mask bodies; the lug belt feeding mechanism is arranged on the rack and used for feeding lug belts to the welding station; the ear belt spot welding mechanism comprises a fixing frame, an ear belt clamping assembly, an ear belt transferring assembly, an ultrasonic welding assembly and a driving assembly, wherein the fixing frame is arranged at a welding station corresponding to the rack and located above the mask conveying device; and the driving assembly is used for driving the ear belt clamping assembly, the ear belt transferring assembly and the ultrasonic welding assembly to act in sequence. By arranging the cam linkage assembly, the action sequence of the ear belt clamping assembly, the ear belt transferring assembly and the ultrasonic welding assembly can be achieved, the relevance of all mechanisms is good, all welding m