Smoothie maker

A smoothie maker, comprising:

• a casing, a refrigeration unit, a stirring unit, a controller, and a material barrel detachably mounted on the casing;
• the refrigeration unit having a compressor, an evaporator, a condenser and a throttling device, further comprising:
• an evaporator mounting chamber, and the evaporator fitting on an inner wall of the evaporator mounting chamber, and the evaporator mounting chamber fitting into the material barrel, and the stirring unit having a stirring motor, a rotating shaft, and a stirring blade unit;
• wherein a head end of the rotating shaft passes through the evaporator mounting chamber and connects the stirring blade unit in a driving manner, the stirring blade unit fits on an outer wall of the evaporator mounting chamber, and a shaft mounting seat for supporting the rotating shaft is disposed on the evaporator mounting chamber, and the shaft mounting seat includes a fixing disk, a shaft seal, and a base, and the base is disposed inside the evaporator mounting chamber, and the fixing disk and the shaft seal both outside the evaporator mounting chamber are detachably fixed to the base.