Shield constructs scraper structure of machine

The utility model provides a shield constructs scraper structure of machine, it comprises handle of a knife and cutter body, and cutter body blade department tip is equipped with carbide and personally experiences sth. Part of the body, the cutter body surface is equipped with a plurality of recesses, the recess is that cutter body blade to the handle of a knife direction of prolonging the external side of carbide is arranged. The utility model discloses a shield constructs scraper structure of machine utilizes and to arrange a plurality of recesses on the cutter body surface to the landings such as rubble bits that make the scraper scrape out are deviate from in the recess, when having avoided the scraper to rotate along with the blade disc, and the wearing and tearing of the cutter body blade department around the rubble bits are personally experienced sth. Part of the body to carbide. And preferred, the depth of groove deepens more to be favorable to the rubble bits can not pile up the cutter body that fur