A kind of chopping knife system includes a mounting base and number blade. The mounting base include one along a camber line extend installation ontology, the recessed what installation ontology bottom side and along the camber line extend mounting groove, number be respectively separated setting the what installation ontology top side and be connected to the mounting groove opening and one removably be arranged the what installation ontology bottom side and lid cover the mounting groove and along the camber line extension stop block. The what installation ontology is removably arranged respectively and is pierced by grade opening for the grade blades. It is the design that the what installation ontology is removably set respectively by the grade blades, allow the utility model in use, if accidentally damage a wherein blade, the stop block can be unloaded and by the taking-up of the blade of damage and more alternatively, greatly to promote the convenience in maintenance, and maintenance cost can be effectively reduced.一種切絲刀裝置，包含一安裝座及數刀片。該安裝座包括一沿一弧線延伸的安裝本體、一凹設於該安裝本體底側且沿該弧線延伸的安裝槽、數分別間隔設置於該安裝本體頂側且連通該安裝槽的開口，及一可卸除地設置於該安裝本體底側且蓋覆該安裝槽並沿該弧線延伸的擋止塊。該等刀片分別可卸除地設置於該安裝本體且穿出該等開口。藉由該等刀片分別是可卸除地設置於該安裝本體的設計，讓本新型在使用過程中，若不小心損壞其中一刀片時，即可以卸下該擋止塊並將損壞的該刀片取出並更換之，以大大的提升維護上的方便性，而且也能夠有效地降低維護成本。
