The invention relates to an ice cream ice machine with safe operation, comprising: a machine having a freezing tank inside, the freezing tank has an opening on the machine table for the ice bucket to be placed； a fixing frame is fixed on the machine a movable frame, which is placed on the surface of the machine and located above the fixed frame； and a stirring unit for setting a stirring power on the movable frame, and placing a stirring blade on the ice making a stirring force is coupled to the stirring blade by a pair of couplings, and the coupling has a convex tooth portion, the convex tooth portion is chamfered oppositely, and a set is set at the joint of the coupling Tube, the bottom edge of the sleeve has an inner chamfer. Thereby, the problem that the prior art is easy to cause the operator's hand to be pinched is solved, and the operation safety effect is obtained.本新型係有關一種操作安全之冰淇淋製冰機，其包括有：一機台，內部具有一冷凍槽，該冷凍槽於機台台面具有開口供製冰桶置入；一固定架，固設於該機台台面上；一活動架，跨置於該機台台面上而位於該固定架上方；以及一攪拌單元，將一攪拌動力設置於該活動架，而將一攪拌刮刀放置於該製冰桶內，並藉一對聯軸器連結該攪拌動力與該攪拌刮刀，而該聯軸器相對具有凸齒部，該凸齒部相對具有倒角，且於該聯軸器之結合處設置一套管，該套管底緣具有內倒角。藉此，用以解決先前技術容易造成操作者的手被夾傷之問題，而具有操作安全之功效。
