Scraper filter for coating

The utility model discloses a scraper filter for coating. Belongs to the technical field of maintenance-free lithium iron phosphate batteries for starting automobiles. The utility model mainly solves the problems of efficiency waste caused by cleaning a scraper filter and bad and scrapped pole pieces caused by not cleaning the scraper filter in the current pole piece coating process. The device is mainly characterized by comprising a motor, an outer shell, a rotating frame, a scraping plate and a filter element, wherein the motor is arranged in the center of the top of the outer shell, and the motor is fixedly connected with the rotating frame in the outer shell; the filter element is fixedly mounted in the center in the outer shell; the plurality of scrapers are fixedly arranged on the rotating frame and are matched with the outer side of the filter element; the top is provided with a feed port and an exhaust port, and the bottom is provided with a discharge port and a slag discharge port; and the discharge