The invention relates to an ice cream freezing mixer.The invention comprises an inner barrel for placing ice cream raw materials；The inner barrel contains an ice cream mixer for mixing the ice cream raw materials placed in the inner barrel；A motor is used to drive the mixer.So that the agitator can rotate；An outer barrel is surrounded by the outer part of the inner barrel；Therefore, a closed space is formed between the inner barrel and the outer barrel.The enclosed space is equipped with refrigerant.The ice cream raw material which is cooled in the inner barrel by using a refrigerant；The wall surface of the outer barrel forms a refrigerant outlet end and a refrigerant inlet end；One cooling cycle system,Including a cooling circulating pipeline and other cooling circulating elements；One end of the cooling circulation system is connected with the outlet end of the cooling medium of the outer barrel.The other end is connected with the refrigerant inlet end of the outer barrel；So that the refrigerant in the enclosed space between the inner barrel and the outer barrel can be cooled in the cooling circulation system through the outlet end and the inlet end of the refrigerant,Then input the closed space to freeze the ice cream raw materials in the inner barrel.一種冰淇淋冷凍攪拌機，包含一內桶用於放置冰淇淋原料；該內桶內包含一攪拌器用於攪拌置於該內桶內的冰淇淋原料；一馬達用於驅動該攪拌器，以令該攪拌器旋轉；一外桶包圍在該內桶的外部；因此在該內桶與該外桶之間形成一封閉空間，該封閉空間內置冷媒，應用冷媒而冷卻在該內桶內的冰淇淋原料；該外桶的壁面形成一冷媒出口端及一冷媒入口端；一冷卻循環系統，包含一冷卻循環管路及其他的冷卻循環元件；該冷卻循環系統的一端連接該外桶的該冷媒出口端，而另一端則連接該外桶的該冷媒入口端；因此使得介於該內桶及該外桶之間的該封閉空間中的冷媒可以經由該冷媒出口端及該冷媒入口端而在該冷卻循環系統內降溫，然後輸入該封閉空間以冷凍該內桶內的冰淇淋原料。
