Ultrasonic precision welding rack

The utility model relates to the technical field of ultrasonic waves, and discloses an ultrasonic precise welding rack which comprises a fixed top plate, a motor is fixedly connected to the upper surface of the fixed top plate, a fixed bevel gear is fixedly connected to an output shaft of the motor through a coupler, and a positioning sleeve is fixedly connected to the upper surface of the fixed top plate. The inner wall of the positioning sleeve is movably connected with a movable sleeve, the outer wall of the movable sleeve is fixedly connected with a movable bevel gear, the inner wall of the movable sleeve is in threaded connection with a movable rod, and one end of the movable rod is fixedly connected with an ultrasonic welding head. According to the ultrasonic precise welding rack, the purpose of high automatic returning degree can be achieved, labor consumption of the ultrasonic precise welding rack is reduced, meanwhile, economic consumption of the device is reduced, the working efficiency of the devic