An apparatus for winding an electrode assembly includes a winding unit including a motor unit to supply a winding power; a cam unit connected to the motor unit and configured to rotate when the motor unit supplies the winding power; a power transmission unit connected to the cam unit; and a mandrel
An apparatus for winding an electrode assembly includes a winding unit including a motor unit to supply a winding power; a cam unit connected to the motor unit and configured to rotate when the motor unit supplies the winding power; a power transmission unit connected to the cam unit; and a mandrel connected to the power transmission unit and configured to receive a first electrode plate, a second electrode plate, and a separator wound thereon.
대표청구항▼
1. An apparatus for winding an electrode assembly, the apparatus comprising a winding unit comprising: a motor unit to supply a winding power;a cam unit connected to the motor unit and configured to rotate when the motor unit supplies the winding power;a power transmission unit connected to the cam
1. An apparatus for winding an electrode assembly, the apparatus comprising a winding unit comprising: a motor unit to supply a winding power;a cam unit connected to the motor unit and configured to rotate when the motor unit supplies the winding power;a power transmission unit connected to the cam unit; anda plate-shaped mandrel connected to the power transmission unit and configured to receive a first electrode plate, a second electrode plate, and a separator wound thereon,wherein a first rotational speed provided to the plate-shaped mandrel by the cam unit and the power transmission unit when a lateral surface of the plate-shaped mandrel is positioned to be parallel with a supplying direction in which a base member including the first electrode plate, the second electrode plate, and the separator is supplied to the plate-shaped mandrel is greater than a second rotational speed provided to the plate-shaped mandrel by the cam unit and the power transmission unit when the lateral surface of the plate-shaped mandrel is positioned to be perpendicular to the supplying direction. 2. An apparatus for winding an electrode assembly, the apparatus comprising a winding unit comprising: a motor unit to supply a winding power;a cam unit connected to the motor unit and configured to rotate when the motor unit supplies the winding power;a power transmission unit connected to the cam unit; anda mandrel connected to the power transmission unit and configured to receive a first electrode plate, a second electrode plate, and a separator wound thereon,wherein the cam unit comprises:a disk-shaped base cam connected to the motor unit;a cam follower at a side of a surface of the base cam; anda mandrel driving cam having one end connected to the cam follower and another end connected to the power transmission unit. 3. The apparatus of claim 2, wherein the mandrel driving cam has a hole at the one end, and the cam follower is inserted in the hole to be connected to the mandrel driving cam, the cam follower being configured to move through the hole while rotating. 4. The apparatus of claim 2, wherein the mandrel driving cam rotates about a different rotational axis than the base cam. 5. The apparatus of claim 4, wherein when the cam follower is located closest to the rotational axis of the mandrel driving cam, the mandrel is positioned to be parallel with a direction in which a base member including the first electrode plate, the second electrode plate, and the separator stacked on the mandrel is supplied, and when the cam follower is located farthest away from the rotational axis of the mandrel driving cam, the mandrel is positioned to be perpendicular to the direction in which the base member including the first electrode plate, the second electrode plate, and the separator stacked on the mandrel is supplied. 6. The apparatus of claim 2, wherein the power transmission unit comprises a first roller, a second roller, and a belt, a circumference of the first roller is two times a circumference of the second roller, and the first roller and the second roller are connected by the belt. 7. The apparatus of claim 2, wherein the mandrel driving cam comprises a cam follower coupling unit, a rotational axis coupling unit, and a link unit, the cam follower passes through one end of the cam follower coupling unit to be coupled thereto and rotate, the rotational axis coupling unit is connected to the power transmission unit, and the link unit connects the cam follower coupling unit with the rotational axis coupling unit. 8. An apparatus for winding an electrode assembly, the apparatus comprising a winding unit comprising: a motor unit to supply a winding power;a cam unit connected to the motor unit and configured to rotate when the motor unit supplies the winding power;a power transmission unit connected to the cam unit; anda mandrel connected to the power transmission unit and configured to receive a first electrode plate, a second electrode plate, and a separator wound thereon,wherein the cam unit comprises:a base cam including a first gear connected to the motor unit, and a second gear connected to the first gear;a chain connecting the first gear and the second gear to each other; anda mandrel driving cam including one end connected to the chain and another end connected to the power transmission unit. 9. The apparatus of claim 8, wherein the mandrel driving cam includes a chain coupling unit, a rotational axis coupling unit, and a link unit, one end of the chain coupling unit is coupled to the chain, the rotational axis coupling unit is connected to the power transmission unit, and the link unit connects the chain coupling unit with the rotational axis coupling unit. 10. The apparatus of claim 8, wherein the mandrel driving cam rotates about a same rotational axis as the base cam.
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이 특허에 인용된 특허 (4)
Hug Leonard F. (Wheatridge CO) McClelland Donald H. (Littleton CO) Uba Toshio (Denver CO), Apparatus for producing a spirally wound electrochemical cell.
Ribordy James E. (South Beloit IL) Krevald Walter R. (Chicago IL), Method and apparatus for winding a core for an electrochemical cell and processing thereof.
Hug Leonard F. (Arvada CO) Sutton Martyn (Littleton CO), Method of applying a tail wrap to a wound electrochemical cell and cell produced by the method.
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