PURPOSE: A powder scraping apparatus is provided, which can prevent attachment of powder and remove a rotational plate rapidly and simply. CONSTITUTION: A powder scraping apparatus comprises: a protrusion(11) installed at the center of the fitted surface of the adhesion base; a mounting pin(12) which is mobile in parallel with the fitted surface and is pressurized in one direction; a center hole(28) in which a protrusion is fitted; a positioning determination hole(29) which is formed so that the mounting pin can be fitted and combined; an incline surface; and a concave part.本發明提供一種散劑刮出裝置,係不需螺絲等、不使用任何工具,而可簡單且迅速地裝卸旋轉板,而且可防止散劑的附著。在安裝基台(7)的安裝面的中心設置有突出部(11),並且設置有可與安裝面略呈平行地移動、且朝一個方向施力的至少一個安裝銷(12),在旋轉板(8)設置有突出部(11)所嵌合的安裝孔(28)與安裝銷(12)所嵌合的定位孔(29),在安裝銷(12)設置有定位孔(29)的一緣所接觸的斜面(13a)與定位孔(29)的一緣所卡合的凹部(17)。