Self-cleaning pipeline iron remover

The utility model relates to the technical field of pipeline iron removers, and provides a self-cleaning pipeline iron remover which comprises a barrel, a barrel cover and a magnetic bar, the magnetic bar is arranged on the inner side of the barrel cover, the barrel cover is detachably connected with the barrel in a sealed mode, a feeding port and a discharging port which are in butt joint with a pipeline are formed in the side wall of the barrel, and the feeding port and the discharging port are in butt joint with the pipeline. One end, far away from the cylinder cover, of the cylinder body is provided with a slag discharge port, the magnetic bar filter further comprises a piston assembly and a scraping plate, the scraping plate is movably arranged in the cylinder body and movably connected with the magnetic bars in a sleeved mode, and the piston assembly is in transmission connection with the scraping plate to drive the scraping plate to move in a reciprocating mode. The piston assembly and the scraper are