Scraping device of concrete mortar mixer

The utility model relates to a scraping device of a concrete mortar mixer, and relates to the technical field of concrete mixing, the scraping device comprises a supporting seat, a guide rod located on the supporting seat, a supporting platform, a fixing mechanism and a cleaning mechanism, the supporting seat is used for placing a mixing barrel, the guide rod is vertically arranged on the supporting seat, and the supporting platform is slidably arranged on the guide rod; the fixing mechanism is arranged on the supporting platform and comprises a fixing bolt, and the end, penetrating through the supporting platform, of the fixing bolt is used for abutting against the guide rod. The stirring barrel is conveniently supported through the supporting seat, and under the action of the fixing bolts, the position of the supporting platform on the guide rod is conveniently changed, so that the cleaning mechanism cleans the stirring barrel, the stability of the cleaning mechanism when the cleaning mechanism cleans the s