The utility model relates to equipment for cleaning dirt on the surface of a part by means of an air source, in particular to a part cleaner. The part cleaner comprises a bottom support (1), a scrap blowing nozzle (2), and a rotary workbench (3), wherein the scrap blowing nozzle (2) is fixedly arranged relative to the bottom support (1), is positioned above the bottom support (1) and is supplied by the air source; and the rotary workbench (3) which is used for bearing the part is connected to the bottom support (1) in a rotating manner Due to the adoption of the technical scheme, the surface of the part is completely cleaned, the cleanliness of the surface of the part is improved, waste slag is effectively prevented from being splashed in the cleaning process, and the cleanness of sites is ensured.