A dental cast scanning device is defined with a coordinate system having three axes XYZ perpendicular to each other, the dental cast scanning device comprising: a support post a first vertical rotation mechanism, provided at one end of the support post, and using the Y-axis as the rotation axis a second vertical rotation mechanism, provided at the other end of the support post, and using the Y-axis as the rotation axis a horizontal rotation mechanism, provided on the second vertical rotation mechanism, and using the Z-axis as a rotation axis to rotate with respect to the second vertical rotation mechanism a light source module, disposed in the axial direction of the shaft body of the first vertical rotation mechanism to emit light in the direction of the horizontal rotation mechanism, and the rotation direction of the light source module is in synchronization with the rotation direction of the first vertical rotation mechanism and an image pickup module, provided on the radial direction of the shaft body of the first vertical rotation mechanism.一種牙模掃瞄裝置,定義有一XYZ三軸互相垂直之座標系,牙模掃瞄裝置包括:支撐柱;第一垂直旋轉機構,設置在支撐柱之一端,並以Y軸為旋轉軸;第二垂直旋轉機構,設置在支撐柱之另一端,並以Y軸為旋轉軸;水平旋轉機構,設置在第二垂直旋轉機構上,並以Z軸為旋轉軸,用以相對於第二垂直旋轉機構旋轉;光源模組,設置在第一垂直旋轉機構之軸體的軸向上,用以朝水平旋轉機構方向發射光線,且光源模組之發射光線的旋轉方向同步於第一垂直旋轉機構的旋轉方向;以及取像模組,設置在第一垂直旋轉機構之軸體的徑向。100‧‧‧牙模掃瞄裝置110‧‧‧支撐柱111‧‧‧端112‧‧‧另一端120‧‧‧第一垂直旋轉機構120a‧‧‧軸體121‧‧‧軸向側面122‧‧‧徑向側面130‧‧‧第二垂直旋轉機構140‧‧‧水平旋轉機構141‧‧‧固定治具141a‧‧‧凹槽141b‧‧‧表面150‧‧‧光源模組160‧‧‧取像模組170‧‧‧垂直移動機構
