Rapid replacement device for filter screen of high-efficiency filter

The utility model discloses a high-efficiency filter screen quick replacement device, which comprises a pipeline and a filter screen, an annular fixing ring is fixed on the inner wall of the pipeline, an annular mounting ring is arranged on the right side of the annular fixing ring, and the filter screen is fixed on the inner ring of the annular mounting ring. A plurality of automatic push-out mechanisms are arranged on the side, close to the annular mounting ring, of the annular fixing ring, the pipeline is provided with two symmetrical automatic locking mechanisms, the automatic locking mechanisms are located on the right side of the annular mounting ring, each automatic locking mechanism comprises a mounting groove formed in the inner wall of the pipeline, and a limiting stop block is arranged in each mounting groove; a connecting rod is fixed to the outer side of the limiting check block, a first spring arranged on the connecting rod in a sleeving mode is arranged in the mounting groove, and the outer sid