The invention discloses a movable connection device which is used for an automatic or half-automatic cooking equipment and can connect or isolate with an object, comprising a power device, a moveable connection body and a control unit; wherein the moveable connection body further includes a power element and a clutch drive mechanism; the power element can grip and release the object; the clutch drive mechanism drives the power element to connect or isolate with the object. The utility mode is provided with the moveable connection structure while the connected equipment can work in both statesof connection or isolation, therefore the flexibility and adaptability of the invention in use is improved and the structure of the equipment can be simplified.