Device for automatically opening/closing gas barrel valve and method therefor

A device for automatically opening or closing a gas barrel valve, comprising:

• a main plate installed so as to move up and down and to align the position of a gas barrel loaded in a cabinet;
• a gas barrel connecting portion installed on the lower portion of the main plate, wherein the gas barrel connecting portion is configured to separate an end cap from the gas barrel, store the end cap, and then automatically screw-couple a connector holder to a gas spray nozzle;
• a valve handle unit installed on the main plate so as to rotate around a first shaft, wherein the valve handle unit is configured to encompass and rotate a valve handle of the gas barrel such that the valve handle is locked or unlocked;
• and
• a valve handle opening or closing unit installed on the upper portion of the main plate so as to operate the valve handle unit in a direction, in which a valve of the gas barrel is opened,
• wherein the valve handle opening or closing unit includes:
• a rotation member installed on the main plate so as to rotate around a hinge shaft;
• a rotation member actuator installed on the main plate and positioned at one side of the rotation member so as to rotate the rotation member;
• a third elastic member installed between the rotation member and the rotation member actuator;
• one pair of rack drive actuators fixedly installed on the rotation member;
• a movement piece guided along a guide rod by the drive of the rack drive actuators so as to move back and forth;
• and
• a rack fixed to the movement piece so as to be engaged with the valve handle gear.

A device for automatically opening or closing a gas barrel valve, comprising:

• a main plate installed so as to move up and down and to align the position of a gas barrel loaded in a cabinet;
• a gas barrel connecting portion installed on the lower portion of the main plate, wherein the gas barrel connecting portion is configured to separate an end cap from the gas barrel, store the end cap, and then automatically screw-couple a connector holder to a gas spray nozzle;
• a valve handle unit installed on the main plate so as to rotate around a first shaft, wherein the valve handle unit is configured to encompass and rotate a valve handle of the gas barrel such that the valve handle is locked or unlocked;
• and
• a valve handle opening or closing unit installed on the upper portion of the main plate so as to operate the valve handle unit in a direction, in which a valve of the gas barrel is opened,
• wherein the gas barrel connecting portion includes:
• a second actuator installed on the main plate so as to move a second installation plate back and forth with respect to the end cap;
• a first actuator installed on the second installation plate so as to move a first installation plate in a direction orthogonal to the movement direction of the second installation plate;
• an end cap holder rotatably installed on a vertical plate fixed to the first installation plate so as to encompass the end cap, thereby attaching or detaching the end cap;
• a third actuator for rotating the end cap holder so as to separate or fasten the end cap;
• a connector holder installed on the vertical plate so as to be screw-coupled to the gas spray nozzle of the gas barrel;
• and
• first and second gears fixed to the shafts of the end cap holder and the connector holder, respectively, and engaged with each other so as to transmit power of the third actuator.