Double-curved-surface impeller stirrer

The double-curved-surface impeller stirrer comprises a stirring barrel, a fixing ring is fixedly connected to the side surface of the stirring barrel, a mounting frame is fixedly connected to the upper surface of the fixing ring, a motor is fixedly connected to the upper surface of the mounting frame, a lead screw is fixedly connected to the output end of the motor, and a screw rod is fixedly connected to the output end of the lead screw. The side surface of the lead screw is in threaded connection with a sleeve, the side surface of the sleeve is fixedly connected with a mounting plate, and the lower surface of the mounting plate is fixedly connected with a limiting plate. According to the structure, the lead screw drives the scraping plate, the cleaning plate and the collecting barrel to rotate, the scraping plate moves up and down under the action of the lead screw, dirt on the inner wall of the stirring barrel is scraped and cleaned by the scraping plate and the collecting barrel in the moving process, the