The ultrasonic welding equipment adopts a steel structure frame and a sliding guide rail structure. The heat of the heating fan is transferred to the welding place of the plastic parts on the table by the electric heating method, so that it can be melted and formed. Under the action of the pressure pulley, The welds on the table top are rapidly fused, formed and solidified to achieve the desired effect. Under the action of the traction wheel, the product slides out automatically. There is a power switch on the panel of the electric box, the temperature of the hot plate is displayed, the heating plate is heated by the electric heating tube, the temperature controller controls the temperature range, and the temperature can be automatically adjusted after the temperature is set. The actual adjustment can be made according to the welding needs of plastic parts, so that the welding effect will meet the actual requirements. The equipment is easy to operate, reliable in performance, compact in size, and improves production efficiency and quality. This machine is suitable for uninterrupted welding of plastic workpieces with a diameter of 120MM or more.