Ultrasonic welding device for high-durability ultrasonic structure welding and welding method

A welding device for high-durability ultrasonic structure welding comprises a first clamping part (101), wherein the first clamping part (101) is arranged on a rack (100) in an up-down moving mode, a rotating base (104) is rotatably arranged in an inner hole of the first clamping part (101), an ultrasonic mechanism (50) is fixed in an inner hole of the rotating base (104), the ultrasonic mechanism (50) is connected with a first component (10), the rotating base (104) is fixedly connected with a rotating supercharger (60), and the rotary supercharger (60) is fixed on the rack (100); and a second clamping part (102), wherein the second clamping part (102) is coaxially fixed below the first clamping part (101), wherein a second component (20) is fixed and supported on the second clamping part (102). According to the ultrasonic welding device for high-durability ultrasonic structure welding and the welding method, the structure is simplified, and improvement and implementation are easy on the basis of an existing