Lifting type ultrasonic cleaning machine

The invention discloses a lifting type ultrasonic cleaning machine. The lifting type ultrasonic cleaning machine comprises a machine shell and a cleaning tank arranged in the machine shell. Lifting supports are arranged on the two sides of the cleaning tank. The top ends of the lifting supports are connected with an upper cover. The upper cover ascends and descends along with the lifting supports. A connecting frame is arranged below the upper cover and provided with a cleaning basket placing opening. Each lifting support comprises a supporting rod, an outer guide rail, an inner guide rail and a lead screw, wherein the supporting rod is arranged in the outer guide rail, the lead screw is arranged in the inner guide rail, the upper end of the outer guide rail and the upper end of the supporting rod are fixed to the upper cover, the lower end of the supporting rod is connected with a lead screw nut on the lead screw, and the lower end of the lead screw is connected with a servo motor. According to the lifting t