The invention relates to a fixture structure of a toothed carving machine, which mainly comprises a clamping base and a clamping piece, wherein the center of the clamping base is provided with a hollow area, a base plate is arranged on both sides of the hollow area, and a plurality of positioning grooves are arranged on the base plate. The positioning groove is provided with a two-phase corresponding clamping inclined surface, and a fixing groove is arranged at the corresponding positioning groove of the clamping piece, and the clamping piece is locked on the base plate； thereby, the clamping piece can The workpiece to be carved with teeth should be clamped with the inclined plane and the fixed groove end to achieve the locking position of three-sided contact, so as to make the processing process more stable and accurate.本創作係有關於一種齒雕機夾具結構，其主要包含有夾座及夾持件，其中該夾座中央具有一鏤空區，於鏤空區的兩側設有基台，於基台上設有數個定位槽，該定位槽內設有兩相對應的抵掣斜面，該夾持件對應定位槽處設有固定槽，且讓夾持件鎖合於基台；藉此，利用抵掣斜面與固定槽端面對應夾固欲齒雕工件，達到三面接觸的鎖固定位，讓加工過程更穩定精確者。
