Composite membrane degerming filter for table vinegar

The utility model discloses an edible vinegar composite membrane degerming filter which comprises a positioning frame, the positioning frame is used for positioning and supporting the edible vinegar composite membrane degerming filter, an auxiliary lifting mechanism is fixedly arranged on one side of the positioning frame, and an auxiliary cleaning mechanism is fixedly arranged at the top end of the auxiliary lifting mechanism; the auxiliary cleaning mechanism comprises a protective cover, and a composite film frame is rotationally arranged at the bottom end of the protective cover. The output end of the first motor fixed to the top end of the positioning frame drives the positioning lead screw to rotate, so that the positioning lead screw is in threaded connection with the bottom end of the lifting frame, and through positioning of the positioning groove and positioning of the positioning block, the lifting frame drives the protective cover with one fixed end to be lifted; the composite membrane frame on the