Concrete retarder mixing equipment

The utility model discloses concrete retarder mixing equipment, and belongs to the technical field of concrete production, the concrete retarder mixing equipment comprises a mixing cylinder, a support is fixedly mounted outside the mixing cylinder, a servo motor is mounted on the support, a rotating shaft is fixedly connected to the output end of the servo motor, and a cleaning structure is arranged outside the rotating shaft. According to the concrete retarder mixing equipment, the extending rod is arranged on the stirring rod of the original retarder mixing equipment in a sliding manner, and the scraping plate is mounted at the end part of the extending rod, so that the extending rod can conveniently drive the scraping plate to extend and be attached to the inner wall of the mixing barrel, and a retarder attached to the inner wall of the mixing barrel can be scraped in an auxiliary manner along with the rotation of the rotating shaft; and meanwhile, a plurality of sliding rings are arranged to be connected