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JP2004127860A - Insertion winding core for winding device - Google Patents

Insertion winding core for winding device Download PDF

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Publication number
JP2004127860A
JP2004127860A JP2002321796A JP2002321796A JP2004127860A JP 2004127860 A JP2004127860 A JP 2004127860A JP 2002321796 A JP2002321796 A JP 2002321796A JP 2002321796 A JP2002321796 A JP 2002321796A JP 2004127860 A JP2004127860 A JP 2004127860A
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JP
Japan
Prior art keywords
winding
plate
sandwiching
jig
battery element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002321796A
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Japanese (ja)
Inventor
Masao Minafuji
皆藤　昌雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KAIDO SEISAKUSHO KK
Kaido Manufacturing Co Ltd
Original Assignee
KAIDO SEISAKUSHO KK
Kaido Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KAIDO SEISAKUSHO KK, Kaido Manufacturing Co Ltd filed Critical KAIDO SEISAKUSHO KK
Priority to JP2002321796A priority Critical patent/JP2004127860A/en
Publication of JP2004127860A publication Critical patent/JP2004127860A/en
Pending legal-status Critical Current

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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Abstract

<P>PROBLEM TO BE SOLVED: To eliminate a point winding process with a combined use of plate jigs by an insertion function of the jigs in manufacturing a battery element. <P>SOLUTION: The insertion winding core for the winding device can pinch an insulator such as a separator existing between gaps as a cylindrical rotation transmission shaft 12 having a conical hole for insertion-holding moving toward a C direction and a rotation transmission pin 13 connected with the shaft 12 move toward the C direction while compressing a return spring 16 by a pressing force from the C direction at the point when the plate jig 3 and the plate jig 6 having a conical protrusion and an accepting-side fixing jig 18 come in contact with each other, and the plate jig 3 and the plate jig 6 having the conical protrusion move a return spring 17 while compressing it in directions of arrow marks A and B with the effect of the conical shape along a support pin 15. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【産業上の利用分野】
本発明は電池素子材料の捲回装置用挟込巻芯に関するものである。
【０００２】
【従来の技術】
従来、電池素子は図５に示すように電池素子材料を二枚の板状治具２１周辺に捲回していた。二枚の板状治具にはある任意の幅の隙間２２があり、その任意な幅の隙間に対してセパレーター等絶縁体２３を挟込み、電池素子材料を巻付けるため捲き付け先捲きを行いその後セパレーターの切断を行い、素子捲回を行っていた。
【０００３】
このような捲回ではセパレーター等絶縁体及び電池素子材料を捲付けるための捲付け工程が存在しこの工程が生産時間を増加させ電池素子捲回コストを上げる事につながっていた。また、捲き付け初期段階での絶縁体及び電池素子材料の若干の滑りにより電池素子材料の捲回方向への位置誤差を発生させ、結果的にその電池素子材料に施こされたタブ位置にも誤差が見られるという場合が発生し、電池素子巻回品質の低下の原因にもなっていた。更に、電池素子材料捲回後二枚の板状治具２１から捲回後電池素子を取り除く場合においても、容易に捲回後電池素子より板状治具２１を引き抜くことは困難を要した。
【０００４】
【発明が解決しようとする課題】
本願発明の目的は、電池素子の製造において、板状治具を組み合わせて用いて、その治具の挟み込む機能により先巻き工程を削除することによる生産時間の短縮、及びそれに伴う電池生産単価の低減、また、先巻きによる電池素子のタブ位置のずれ低減による電池素子の巻回品質の向上を図ることの可能であり、更に、電池素子材料捲回後二枚の板状治具から捲回後電池素子を取り除く場合においても、容易に捲回後電池素子より板状治具を引き抜くことが可能な電池素子の捲回装置用巻芯を提供することにある。
【０００５】
【課題を解決するための手段】
図３に示すように、Ｃ方向へ移動する挟込保持用円錐状穴を有する円筒状の回転伝達軸１２及び挟込保持用円錐状穴を有する円筒状の回転伝達軸１２と連結された回転伝達ピン１３は円錐状凸部を有した板状治具３及び板状治具６と受け側固定治具１８とが接触した時点でＣ方向からの押力により戻しバネ１６を縮めながらＣ方向へ移動し、円錐状凸部を有した板状治具３及び板状治具６は戻しバネ１７を縮めながら支持ピン１５に沿ってその円錐形状の効果により矢印Ａ及びＢ方向に移動させ、隙間に存在するセパレーター等絶縁体を挟込み固定可能な捲回装置用挟込巻芯を発明するに至った。
【０００６】
このような作動によりセパレーター巻付け工程の削減による生産時間の、それに伴う電池生産原価の低減、また、セパレーターの固定を電池素子巻回工程前に行うことによる電池素子材料の巻回方向への位置誤差の低減，及びそれに伴う電池素子材料の捲回品質の向上を図ることが可能となる。
【０００７】
また、電池素子材料捲回後は円筒状の回転伝達軸１２が矢印Ｄ方向へ移動すると、円筒状の回転伝達軸１２の挟込保持用円錐状穴及び板状治具３及び板状治具６が有する円錐状凸部との勘合が解除され、板状治具３及び板状治具６とが戻しバネ１７によりそれぞれ矢印Ａ及びＢ方向へ移動する。これにより捲回後電池素子材料と板状治具３及び板状治具６とに隙間が発生し容易に捲回後電池素子より板状治具３及び板状治具６を引き抜くことが可能になる。更に、円筒状の回転伝達軸１２が矢印Ｄ方向へ移動すると、円筒状の回転伝達軸１２に連結された回転伝達ピン１３がホルダー１４と接触し、機構部全体をＤ方向へ移動させる。
【０００８】
捲回装置用挟込巻芯の作動について具体的に図面により説明する。
図１は本願発明巻回装置用巻芯の板状治具３及び板状治具６の断面の様子と作動初期の状態を示す図で、セパレーター等絶縁体挟込中心部１及び挟込中心部１と連結された突端部２を有する板状治具３と挟込中心部４及び挟込中心部４と連結された突端部５を有する板状治具６をそれぞれ矢印Ａ及びＢ方向に移動させることにより、セパレーター等絶縁材７を挟込中心部１及び４によって挟込固定し、その後板状治具３及び後板状治具６を回転させ電池素子材料を捲回する。
【０００９】
図２は本願発明巻回装置用巻芯の板状治具３及び板状治具６の断面の様子と電池素子材料捲回後の状態を示す図で、電池素子材料捲回後、挟込中心部１及び４をそれぞれ矢印Ｂ及びＡ方向へ移動させることにより隙間８が発生し、セパレーター等絶縁体７の挟込固定が解除される。また、同時に挟込中心部１と連結されている突端部２及び挟込中心部４と連結されている突端部５がそれぞれ矢印Ａ及びＢ方向へ移動することにより捲回後電池素子材料１１との隙間９及び１０が発生し、容易に板状治具３及び６から捲回後電池素子材料１１を抜き取ることが可能となる。
【００１０】
図３は本願発明巻回装置用巻芯側面の様子と板状治具３及び板状治具６の作動の様子を示す図である。Ｃ方向へ移動する挟込保持用円錐状穴を有する円筒状の回転伝達軸１２及び挟込保持用円錐状穴を有する円筒状の回転伝達軸１２と連結された回転伝達ピン１３は円錐状凸部を有した板状治具３及び板状治具６と受け側固定治具１８とが接触した時点でＣ方向からの押力により戻しバネ１６を縮めながらＣ方向へ移動し、円錐状凸部を有した板状治具３及び板状治具６は戻しバネ１７を縮めながら支持ピン１５に沿ってその円錐形状の効果により矢印Ａ及びＢ方向に移動させ、隙間に存在するセパレーターを挟込み固定する。
【００１１】
また、電池素子材料捲回後は円筒状の回転伝達軸１２が矢印Ｄ方向へ移動すると、円筒状の回転伝達軸１２の挟込保持用円錐状穴及び板状治具３及び板状治具６が有する円錐状凸部との勘合が解除され、板状治具３及び板状治具６とが戻しバネ１７によりそれぞれ矢印Ａ及びＢ方向へ移動する。これにより捲回後電池素子材料と板状治具３及び板状治具６とに隙間が発生し容易に捲回後電池素子より板状治具３及び板状治具６を引き抜くことが可能になる。更に、円筒状の回転伝達軸１２が矢印Ｄ方向へ移動すると、円筒状の回転伝達軸１２に連結された回転伝達ピン１３がホルダー１４と接触し、機構部全体をＤ方向へ移動させる。
【００１２】
なお、図４に示すように本願発明の捲回装置用挟込巻芯は円筒状の回転伝達１５・回転伝達ピン１６・ホルダー１７等を両側に設置し板状治具３または板状治具６を分離してそれぞれの両側のホルダーに設置し、更に各両側ホルダーに凹状の板状治具受け部２０を設置することにより両抜き作動用の捲回装置用挾込巻芯として設置することも可能である。
【図面の簡単な説明】
【図１】本願発明巻回装置用巻芯の板状治具断面の様子と作動初期の状態を示す図である。
【図２】本願発明巻回装置用巻芯の板状治具断面の様子と電池素子材料捲回後の状態を示す図である。
【図３】本願発明捲回装置用巻芯の側面の状態を示す図である。
【図４】本願発明捲回装置用巻芯の両抜き作動の側面を示す図である。
【図５】従来捲芯の断面の様子を示す図である。
【符号の説明】
１　挟込中心部
２　突端部
３　板状治具
４　挟込中心部
５　突端部
６　板状治具
７　セパレーター等絶縁体
８　隙間
９　隙間
１０　隙間
１１　捲回後電池素子材料
１２　円筒状の回転伝達軸
１３　回転伝達ピン
１４　ホルダー
１５　支持ピン
１６　戻しバネ
１７　戻しバネ
１８　受け側固定治具
１９　受け側支持ピン
２０　凹状の板状治具受け部
２１　従来の板状治具
２２　従来の隙間
２３　セパレーター等絶縁体[0001]
[Industrial applications]
The present invention relates to a sandwich core for a winding device for a battery element material.
[0002]
[Prior art]
Conventionally, the battery element has been wound around two plate-shaped jigs 21 as shown in FIG. The two plate-shaped jigs have a gap 22 having an arbitrary width. An insulator 23 such as a separator is sandwiched between the gaps having an arbitrary width, and a winding first winding is performed to wind a battery element material. Thereafter, the separator was cut and the element was wound.
[0003]
In such winding, there is a winding step for winding an insulator such as a separator and a battery element material, and this step has led to an increase in production time and an increase in battery element winding cost. In addition, a slight slippage of the insulator and the battery element material at the initial stage of winding causes a position error in the winding direction of the battery element material, and consequently the tab position applied to the battery element material. In some cases, an error was observed, which was a cause of deterioration of the winding quality of the battery element. Furthermore, even when removing the battery element after winding from the two plate-shaped jigs 21 after winding the battery element material, it was difficult to easily pull out the plate-shaped jig 21 from the battery element after winding.
[0004]
[Problems to be solved by the invention]
An object of the present invention is to reduce the production time by using a combination of plate-shaped jigs in the manufacture of a battery element and to eliminate the first winding step by a function of sandwiching the jigs, and to reduce the unit cost of battery production accordingly. Further, it is possible to improve the winding quality of the battery element by reducing the displacement of the tab position of the battery element due to the first winding, and further, after winding the two plate-shaped jigs after winding the battery element material. An object of the present invention is to provide a winding core for a winding device for a battery element, which can easily pull out a plate jig from the battery element after winding even when removing the battery element.
[0005]
[Means for Solving the Problems]
As shown in FIG. 3, a cylindrical rotation transmission shaft 12 having a conical hole for pinching and holding which moves in the C direction, and a rotation coupled to the cylindrical rotation transmission shaft 12 having a conical hole for pinching and holding. When the transmission pin 13 comes into contact with the plate-shaped jig 3 having the conical convex portion and the plate-shaped jig 6 and the receiving-side fixing jig 18, the return spring 16 is contracted by the pressing force from the C direction while being compressed in the C direction. The plate jig 3 and the plate jig 6 having the conical convex portion are moved in the directions of arrows A and B by the effect of the conical shape along the support pin 15 while contracting the return spring 17, The invention has led to the invention of a winding core for a winding device capable of inserting and fixing an insulator such as a separator existing in a gap.
[0006]
Such operation reduces the production time by reducing the separator winding process, thereby reducing the battery production cost, and also positions the battery element material in the winding direction by fixing the separator before the battery element winding process. It is possible to reduce the error and to improve the winding quality of the battery element material accordingly.
[0007]
When the cylindrical rotation transmission shaft 12 moves in the direction of arrow D after the battery element material is wound, a conical hole for holding the cylindrical rotation transmission shaft 12 and the plate jig 3 and the plate jig are provided. The engagement with the conical protrusions of the plate 6 is released, and the plate jig 3 and the plate jig 6 are moved by the return spring 17 in the directions of arrows A and B, respectively. As a result, a gap is generated between the battery element material and the plate jig 3 and the plate jig 6 after the winding, and the plate jig 3 and the plate jig 6 can be easily pulled out from the battery element after the winding. become. Further, when the cylindrical rotation transmission shaft 12 moves in the direction of arrow D, the rotation transmission pin 13 connected to the cylindrical rotation transmission shaft 12 comes into contact with the holder 14 and moves the entire mechanism in the direction D.
[0008]
The operation of the winding core for the winding device will be specifically described with reference to the drawings.
FIG. 1 is a view showing a cross-sectional view of a plate jig 3 and a plate jig 6 of a winding core for a winding device of the present invention and an initial state of operation, and a center 1 and a center of an insulator such as a separator. The plate-shaped jig 3 having the protruding end portion 2 connected to the portion 1 and the plate-shaped jig 6 having the sandwiching center portion 4 and the protruding end portion 5 connected to the sandwiching center portion 4 are moved in the directions of arrows A and B, respectively. By moving, the insulating material 7 such as a separator is sandwiched and fixed by the sandwiching center portions 1 and 4, and then the plate jig 3 and the rear plate jig 6 are rotated to wind the battery element material.
[0009]
FIG. 2 is a diagram showing a cross-sectional view of the plate-shaped jigs 3 and 6 of the winding core for the winding device of the present invention and a state after the battery element material is wound. By moving the center portions 1 and 4 in the directions of arrows B and A, respectively, a gap 8 is generated, and the sandwiching and fixing of the insulator 7 such as a separator is released. At the same time, the protruding end portion 2 connected to the sandwiching center portion 1 and the protruding end portion 5 connected to the sandwiching center portion 4 move in the directions of arrows A and B, respectively. Gaps 9 and 10 are generated, and the battery element material 11 can be easily removed from the plate jigs 3 and 6 after winding.
[0010]
FIG. 3 is a view showing the state of the side surface of the winding core for the winding device of the present invention and the state of operation of the plate jigs 3 and 6. A cylindrical rotation transmission shaft 12 having a pinching and holding conical hole moving in the direction C and a rotation transmission pin 13 connected to the cylindrical rotation transmission shaft 12 having a pinching and holding conical hole are conical convex. When the plate-shaped jig 3 and the plate-shaped jig 6 having a portion and the receiving-side fixing jig 18 come into contact with each other, the return spring 16 is contracted by the pressing force from the C direction while moving in the C direction, and the conical convex is formed. The plate-shaped jig 3 and the plate-shaped jig 6 having a portion are moved in the directions of arrows A and B along the support pin 15 while contracting the return spring 17 by the effect of the conical shape thereof, and sandwich the separator existing in the gap. And fix it.
[0011]
When the cylindrical rotation transmission shaft 12 moves in the direction of arrow D after winding the battery element material, the conical hole for holding the cylindrical rotation transmission shaft 12 and the plate jig 3 and the plate jig are used. The engagement with the conical protrusions of the plate 6 is released, and the plate jig 3 and the plate jig 6 are moved by the return spring 17 in the directions of arrows A and B, respectively. As a result, a gap is generated between the battery element material and the plate jig 3 and the plate jig 6 after the winding, and the plate jig 3 and the plate jig 6 can be easily pulled out from the battery element after the winding. become. Further, when the cylindrical rotation transmission shaft 12 moves in the direction of arrow D, the rotation transmission pin 13 connected to the cylindrical rotation transmission shaft 12 comes into contact with the holder 14 and moves the entire mechanism in the direction D.
[0012]
As shown in FIG. 4, the sandwiching core for the winding device of the present invention is provided with a cylindrical rotation transmission 15, a rotation transmission pin 16, a holder 17 and the like on both sides, and a plate jig 3 or a plate jig. 6 is separated and installed on the holders on both sides thereof, and furthermore, a concave plate-shaped jig receiving portion 20 is installed on each of the holders to be installed as a winding core for a winding device for double punching operation. Is also possible.
[Brief description of the drawings]
FIG. 1 is a diagram showing a state of a section of a plate-shaped jig of a winding core for a winding device of the present invention and an initial state of operation.
FIG. 2 is a diagram showing a cross section of a plate jig of a winding core for a winding device of the present invention and a state after winding of a battery element material.
FIG. 3 is a diagram showing a state of a side surface of a winding core for a winding device of the present invention.
FIG. 4 is a diagram showing a side view of a double-pulling operation of the winding core for the winding device of the present invention.
FIG. 5 is a view showing a state of a cross section of a conventional core.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Insertion center part 2 Protrusion part 3 Plate jig 4 Insertion center part 5 Protrusion part 6 Plate jig 7 Insulators, such as a separator 8 Gap 9 Gap 10 Gap 11 Wound battery element material 12 Cylindrical rotation transmission Shaft 13 Rotation transmitting pin 14 Holder 15 Support pin 16 Return spring 17 Return spring 18 Receiving-side fixing jig 19 Receiving-side supporting pin 20 Recessed plate-shaped jig receiving portion 21 Conventional plate-shaped jig 22 Conventional gap 23 Separator, etc. Insulator

Claims (4)

セパレーター等絶縁体挟込中心部１及び挟込中心部１と連結された突端部２を有する板状治具３と挟込中心部４及び挟込中心部４と連結された突端部５を有する板状治具６をそれぞれ矢印Ａ及びＢ方向に移動させることにより、セパレーター等絶縁材７を挟込中心部１及び４によって挟込固定することが可能な板状治具３及び６を有する捲回装置用挟込捲芯。It has a plate-shaped jig 3 having an insulator sandwiching central portion 1 such as a separator, a protruding end portion 2 connected to the sandwiching central portion 1, a sandwiching central portion 4 and a protruding end portion 5 connected to the sandwiching central portion 4. By moving the plate-shaped jigs 6 in the directions of arrows A and B, respectively, the windings having the plate-shaped jigs 3 and 6 capable of sandwiching and fixing the insulating material 7 such as a separator by the sandwiching center portions 1 and 4 are provided. A sandwich core for a turning device. セパレーター等絶縁材７を板状治具３の挟込中心部１及び板状治具６の挟込中心部４の移動により、矢印Ａ及びＢ方向からの固定を行い、セパレーター等絶縁材７の捲付け工程の排除による生産時間の短縮、及び生産時間の短縮による電池素子生産原価の低減を図ることの可能な板状治具３及び６を有する捲回装置用挟込捲芯。The insulating material 7 such as a separator is fixed in the directions of arrows A and B by moving the center portion 1 of the plate jig 3 and the center portion 4 of the plate jig 6, and the insulating member 7 such as a separator is fixed. A sandwiching core for a winding apparatus having plate-shaped jigs 3 and 6 capable of shortening a production time by eliminating a winding step and reducing a production cost of a battery element by shortening the production time. セパレーター等絶縁材７を板状治具３の挟込中心部１及び板状治具６の挟込中心部４の移動により、矢印Ａ及びＢ方向からの固定を行い、電池素子材料の捲回方向への位置誤差の低減，及びそれに伴う電池素子材料の捲回品質の向上が可能な捲回装置用挟込巻芯。The insulating material 7 such as a separator is fixed in the directions of arrows A and B by moving the sandwiching center portion 1 of the plate jig 3 and the sandwiching center portion 4 of the plate jig 6, thereby winding the battery element material. A sandwich core for a winding device capable of reducing a positional error in a direction and improving the quality of winding of a battery element material accordingly. 電池素子材料捲回後、挟込中心部１及び４をそれぞれ矢印Ｂ及びＡ方向へ移動させることにより隙間８が発生し、セパレーター等絶縁体７の挟込固定が解除され、同時に挟込中心部１と連結されている突端部２及び挟込中心部４と連結されている突端部５がそれぞれ矢印Ａ及びＢ方向へ移動することにより捲回後電池素子材料１１との隙間９及び１０が発生し、容易に板状治具３及び６から捲回後電池素子材料１１を抜き取ることが可能な捲回装置用挟込捲芯。After the battery element material is wound, the gaps 8 are generated by moving the sandwiching center portions 1 and 4 in the directions of arrows B and A, respectively, and the sandwiching and fixing of the insulator 7 such as a separator is released. The gaps 9 and 10 with the battery element material 11 after winding are generated by the movement of the protruding end portion 2 connected to 1 and the protruding end portion 5 connected to the sandwiching center portion 4 in the directions of arrows A and B, respectively. And a winding core for a winding device that can easily remove the battery element material 11 from the plate jigs 3 and 6 after winding.
JP2002321796A 2002-09-30 2002-09-30 Insertion winding core for winding device Pending JP2004127860A (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
JP2006290615A (en) * 2005-04-13 2006-10-26 Riyoukoushiya:Kk Winding core for winder
CN102637907A (en) * 2012-04-23 2012-08-15 深圳市浩能科技有限公司 Coiling needle mechanism
CN103443989A (en) * 2011-03-31 2013-12-11 株式会社Lg化学 Mandrel used in manufacture of jelly roll-type electrode assembly
CN103460484A (en) * 2011-03-31 2013-12-18 株式会社Lg化学 Mandrel used in manufacture of jelly roll-type electrode assembly
KR20140058205A (en) * 2012-11-06 2014-05-14 삼성에스디아이 주식회사 Winding appratus for elctrode of rechargeable battery and winding method using thereof
JP2014135260A (en) * 2012-12-14 2014-07-24 Kaido Seisakusho:Kk Winding core and wound unit

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006290615A (en) * 2005-04-13 2006-10-26 Riyoukoushiya:Kk Winding core for winder
CN103443989A (en) * 2011-03-31 2013-12-11 株式会社Lg化学 Mandrel used in manufacture of jelly roll-type electrode assembly
CN103460484A (en) * 2011-03-31 2013-12-18 株式会社Lg化学 Mandrel used in manufacture of jelly roll-type electrode assembly
JP2014512077A (en) * 2011-03-31 2014-05-19 エルジー ケム． エルティーディ． Mandrel for manufacturing jelly roll type electrode assembly
US9160030B2 (en) 2011-03-31 2015-10-13 Lg Chem, Ltd. Mandrel for preparation of jelly-roll type electrode assembly
US9444089B2 (en) 2011-03-31 2016-09-13 Lg Chem, Ltd. Mandrel for preparation of jelly-roll type electrode assembly
CN102637907A (en) * 2012-04-23 2012-08-15 深圳市浩能科技有限公司 Coiling needle mechanism
KR20140058205A (en) * 2012-11-06 2014-05-14 삼성에스디아이 주식회사 Winding appratus for elctrode of rechargeable battery and winding method using thereof
JP2014135260A (en) * 2012-12-14 2014-07-24 Kaido Seisakusho:Kk Winding core and wound unit

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