The invention relates to the improvement of the fixture structure of a tooth carving machine.It is mainly due to the fixed seat in the tooth carving machine.The fixed base is positioned with a material clamp.The material clamp comprises a material tray.And a gland which covers the pan,One side of the material tray is provided with an inlay part.There is a fastener on the inlay part.The fixing base is provided with an inlay slot for holding the inlay part.The material tray is assembled and fixed on the fixed seat with the fastening member；In this way,When making different parts or materials of tooth carving,It can replace the material clamp easily without repositioning the material.With quick replacement,The benefits of saving time,At the same time,Through the clamping technology of locking and tightening,To achieve the effect of stable positioning.本創作係有關於一種齒雕機之夾具結構改良，其主要係於齒雕機內設有固定座，所述固定座對應與一材料夾具組設定位，所述材料夾具包含有一料盤、及一覆合於料盤上的壓蓋，所述料盤一側設有嵌組部，於所述嵌組部上設有一迫緊件，所述固定座對應所述嵌組部處設有可供容置組設的嵌槽，利用所述迫緊件將所述料盤組設固定於所述固定座者；藉此，讓操作者於製作不同齒雕工件或材料時，能經由簡易更換材料夾具而不需重新定位材料，具有快速更換、節省工時的優點，同時，經由鎖固迫緊的夾定技術，達到穩固定位不鬆脫的功效者。
