JPH04294828A - Forming device for annular groove part of cylindrical battery case - Google Patents
Forming device for annular groove part of cylindrical battery caseInfo
- Publication number
- JPH04294828A JPH04294828A JP3130704A JP13070491A JPH04294828A JP H04294828 A JPH04294828 A JP H04294828A JP 3130704 A JP3130704 A JP 3130704A JP 13070491 A JP13070491 A JP 13070491A JP H04294828 A JPH04294828 A JP H04294828A
- Authority
- JP
- Japan
- Prior art keywords
- battery case
- annular groove
- opening
- outer diameter
- forming device
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- FBDMJGHBCPNRGF-UHFFFAOYSA-M [OH-].[Li+].[O-2].[Mn+2] Chemical compound [OH-].[Li+].[O-2].[Mn+2] FBDMJGHBCPNRGF-UHFFFAOYSA-M 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は円筒形電池の封口に使用
する環状溝部の形成装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for forming an annular groove used for sealing a cylindrical battery.
【０００２】0002
【従来の技術】図３において従来、円筒形二酸化マンガ
ンリチウム電池に代表される渦巻状電極群１２を有する
電池では、電極群１２の機械的強度が小さいために、電
極群１２を収納した電池ケース１３の開口部近傍に、内
側へ突出した環状溝部１１を形成し、内側へ突出した部
分に封口体を載置し、電池ケース１３の開口部をかしめ
て密閉を行っていた。2. Description of the Related Art As shown in FIG. 3, conventionally, in a battery having a spiral electrode group 12, such as a cylindrical manganese dioxide lithium battery, the electrode group 12 is housed in a battery case because the mechanical strength of the electrode group 12 is low. An annular groove 11 protruding inward is formed near the opening of the battery case 13, a sealing body is placed on the inwardly protruding portion, and the opening of the battery case 13 is caulked to seal it.
【０００３】従来の環状溝部形成装置を図３に示した。
該電極群１２を収納した電池ケース１３を上型１５及び
下型１６により保持し、上型１５及び下型１６を回転さ
せることで同時に電池ケース１３を回転させる。この状
態で電池ケース１３の中心軸に垂直で、所定の位置に設
置した自由に回転することのできる段付ローラー１７を
電池ケース１３の外側から所定の位置まで押し付けて、
それと同時に下型１６を所定の寸法まで押し上げること
で、該電池ケース１３の開口部近傍に内側に突出した環
状溝部１１を形成していた。A conventional annular groove forming apparatus is shown in FIG. The battery case 13 containing the electrode group 12 is held by an upper mold 15 and a lower mold 16, and by rotating the upper mold 15 and the lower mold 16, the battery case 13 is simultaneously rotated. In this state, a freely rotatable stepped roller 17 installed at a predetermined position perpendicular to the central axis of the battery case 13 is pressed from the outside of the battery case 13 to a predetermined position.
At the same time, by pushing up the lower die 16 to a predetermined size, an annular groove 11 protruding inward was formed near the opening of the battery case 13.
【０００４】本発明は少なくとも２台以上の同心円上に
等間隔に設置された段付ローラーを用いることで、電池
ケース開口部外径の拡大を防ぎ、電池の耐漏液性、貯蔵
特性、容積効率を向上しうる円筒形電池ケース用環状溝
部形成装置を提供することを目的とする。[0004] The present invention uses at least two or more stepped rollers installed concentrically at equal intervals to prevent the outer diameter of the battery case opening from expanding and improve the leakage resistance, storage characteristics, and volumetric efficiency of the battery. An object of the present invention is to provide an annular groove forming device for a cylindrical battery case that can improve the performance.
【０００５】[0005]
【発明が解決しようとする課題】しかし、従来の装置で
は、段付ローラー１７を一方向から押え付けて環状溝部
１１を形成するため、電池ケース１３の開口部近傍へ環
状溝部１１を形成する際、図４のように電部ケース１３
全体が反対側へ押され、開口部が変形し、開口部外径が
拡大していた。However, in the conventional device, the annular groove 11 is formed by pressing the stepped roller 17 from one direction, so when forming the annular groove 11 near the opening of the battery case 13, , as shown in FIG.
The entire body was pushed to the opposite side, the opening was deformed, and the outer diameter of the opening was enlarged.
【０００６】上記のように環状溝部１１の上部の開口部
外径が拡大した電池ケース１３を封口体を介して開口部
をかしめた場合、かしめ後の環状溝部１１の上部外径が
もとの電池ケース１３の外径に比べて拡大してしまい、
封口が不十分で耐漏液性、貯蔵特性が劣化してしまった
り、電池収納ケースを設計する際、その収納部の内径を
電池の外径が最大の部分に合わせなければならないため
、容積効率が低下してしまうなどの問題があった。When the battery case 13 in which the outer diameter of the upper opening of the annular groove 11 is enlarged as described above is caulked through a sealing member, the outer diameter of the upper part of the annular groove 11 after caulking is the same as the original one. It is enlarged compared to the outer diameter of the battery case 13,
Insufficient sealing may deteriorate leakage resistance and storage characteristics, and when designing a battery storage case, the internal diameter of the storage area must be matched to the part with the largest outside diameter of the battery, resulting in poor volumetric efficiency. There were problems such as a drop in performance.
【０００７】[0007]
【課題を解決するための手段】上記問題を解決するため
に、本発明は円筒形電池ケースの開口部を保持する上型
と、電池ケース底部を保持し一定の寸法で押し上げるこ
とのできる下型と、該電池ケースの外側より押し当てる
ことで、該電池ケースの内側へ突出した環状溝部を形成
することのできる段付ローラーを有する円筒形電池ケー
ス用環状溝部形成装置において、該段付ローラーを少な
くとも２台以上有し、かつ該電池ケースの中心軸に垂直
な同心円上に等間隔に設置されていることを特徴とする
円筒形電池ケース用環状溝部形成装置を提供する。[Means for Solving the Problems] In order to solve the above problems, the present invention provides an upper mold that holds the opening of a cylindrical battery case, and a lower mold that can hold the bottom of the battery case and push it up with a certain dimension. and an annular groove forming device for a cylindrical battery case having a stepped roller capable of forming an annular groove protruding inward of the battery case by pressing the stepped roller from the outside of the battery case. Provided is an annular groove forming device for a cylindrical battery case, which has at least two units and is installed at equal intervals on concentric circles perpendicular to the central axis of the battery case.
【０００８】[0008]
【作用】上記の構成による円筒形電池ケース用環状溝部
形成装置は、同心円上に等間隔に設置された少なくとも
２台以上の段付ローラーにより、電池ケースの外側から
全てのローラーを均等に押し当て、環状溝部を形成する
ために、該電池ケースが該段付ローラーの反対側に逃げ
にくく、該環状溝部の上部の開口部外径が拡大しないた
め、封口板を介して開口部をかしめた場合でも封口部外
径が拡大しないので、耐漏液性、貯蔵特性、容積効率を
向上することができる。[Operation] The annular groove forming device for a cylindrical battery case with the above structure uses at least two stepped rollers installed concentrically at equal intervals to press all the rollers evenly from the outside of the battery case. In order to form an annular groove, the battery case is difficult to escape to the opposite side of the stepped roller, and the outer diameter of the opening at the top of the annular groove does not expand, so the opening is caulked through a sealing plate. However, since the outer diameter of the sealing part does not expand, leakage resistance, storage characteristics, and volumetric efficiency can be improved.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面を用いて詳細に
説明する。図１は本発明の円筒形電池ケース用環状溝部
形成装置を示してある。電池の発電要素である電極群２
を収納した電池ケース３を、上型５及び下型６により保
持し、上型５及び下型６を回転させることで同時に電池
ケース３を回転させる。この状態で電池ケース３の中心
軸に垂直な同心円上に等間隔に２台設置した自由に回転
することができる段付ローラー７を、２台同時に電池ケ
ース３の外側から中心軸方向へ所定の位置まで押し付け
、それと同時に下型６を所定の寸法まで押し上げること
で、該電池ケース３の開口部近傍に内側に突出した環状
溝部１を形成できるようにしてある。Embodiments Hereinafter, embodiments of the present invention will be explained in detail with reference to the drawings. FIG. 1 shows an annular groove forming device for a cylindrical battery case according to the present invention. Electrode group 2, which is the power generation element of the battery
The battery case 3 containing the battery is held by the upper mold 5 and the lower mold 6, and by rotating the upper mold 5 and the lower mold 6, the battery case 3 is rotated at the same time. In this state, two freely rotatable stepped rollers 7 installed at equal intervals on a concentric circle perpendicular to the central axis of the battery case 3 are moved simultaneously from the outside of the battery case 3 to a predetermined direction toward the central axis. By pressing the battery case 3 to this position and simultaneously pushing the lower mold 6 up to a predetermined dimension, an annular groove 1 protruding inward can be formed near the opening of the battery case 3.
【００１０】なお、電池ケース３の回転は段付ローラー
７に対して相対的なもので、電池ケース３を固定し、そ
のまわりを該段付ローラー７が公転してもかまわない。
また段付ローラー７は２台以上装置の製作、調整に支障
ない範囲で増すことができる。Note that the rotation of the battery case 3 is relative to the stepped roller 7, and the battery case 3 may be fixed and the stepped roller 7 may revolve around it. Further, the number of stepped rollers 7 can be increased by two or more as long as it does not interfere with the production and adjustment of the device.
【００１１】表１に、本発明の図１の装置を用いて、図
２の環状溝部１を形成して、封口板４を介して開口部を
かしめた電池（Ａ）１００個と、図３の従来の装置を用
いて環状溝部１１を形成し、封口板を介して開口部をか
しめた従来電池１００個（Ｂ）との封口部外径乃び６０
℃−９３％ＲＨ雰囲気で貯蔵１００日後の漏液電池個数
を示した。なお、電池ケース３として、外径１６．３０
［ｍｍ］、肉厚０．３［ｍｍ］のストレート缶を使用し
た。Table 1 shows 100 batteries (A) in which the annular groove 1 shown in FIG. 2 was formed using the apparatus shown in FIG. The annular groove 11 was formed using a conventional device, and the opening was swaged through a sealing plate.
The number of leaking batteries after 100 days of storage in a ℃-93% RH atmosphere is shown. In addition, as the battery case 3, the outer diameter is 16.30 mm.
A straight can with a wall thickness of 0.3 [mm] and a wall thickness of 0.3 [mm] was used.
【００１２】0012
【表１】[Table 1]
【００１３】[0013]
【発明の効果】以上詳述したように、本発明によれば電
池ケース開口部近傍に、環状溝部を形成する際に、電池
ケース開口部の外径が拡大するのを防ぎ、電池の耐漏液
性、貯蔵特性、容積効率を向上できる円筒形電池ケース
用環状溝部形成装置を提供できる。As described in detail above, according to the present invention, when an annular groove is formed near the opening of the battery case, the outer diameter of the opening of the battery case is prevented from expanding, and the leakage resistance of the battery is improved. It is possible to provide an annular groove forming device for a cylindrical battery case that can improve performance, storage characteristics, and volumetric efficiency.
【図１】 本発明の円筒形電池ケース用環状溝部形成
装置の説明図である。FIG. 1 is an explanatory diagram of an annular groove forming device for a cylindrical battery case according to the present invention.
【図２】 本発明装置を用いて完成した円筒形電池の
断面図である。FIG. 2 is a cross-sectional view of a cylindrical battery completed using the device of the present invention.
【図３】 従来の円筒形電池ケース用環状溝部形成装
置の説明図である。FIG. 3 is an explanatory diagram of a conventional annular groove forming device for a cylindrical battery case.
【図４】 従来の装置を用いた時の電池ケースの傾き
と開口部の拡大された欠点を示す説明図である。FIG. 4 is an explanatory diagram showing the disadvantages of tilting the battery case and enlarged opening when using the conventional device.
１ 環状溝部 ２ 電極群 ３ 電池ケース ４ 封口体 ５ 上型 ６ 下型 ７ 段付ローラー １１ 環状溝部 １３ 電池ケース １７ 段付ローラー 1 Annular groove part 2 Electrode group 3 Battery case 4 Sealing body 5 Upper mold 6 Lower mold 7 Stepped roller 11 Annular groove part 13 Battery case 17 Stepped roller
Claims (1)
上型と、電池ケース底部を保持し、一定寸法押し上げる
下型と、該電池ケースの外側より押し当てることで、電
池ケースの内側へ突出した環状溝部を形成する段付ロー
ラーとを有する環状溝部形成装置において、該段付ロー
ラーを少なくとも２台以上有し、かつ該電池ケースの中
心軸に垂直な同心円上に等間隔に設置されていることを
特徴とする円筒形電池ケース用環状溝部形成装置。[Claim 1] An upper mold that holds the opening of a cylindrical battery case, a lower mold that holds the bottom of the battery case and pushes it up by a certain amount, and a mold that protrudes into the inside of the battery case by pressing it from the outside of the battery case. an annular groove forming device having a stepped roller for forming an annular groove, the stepped roller having at least two or more, and installed at equal intervals on a concentric circle perpendicular to the central axis of the battery case; An annular groove forming device for a cylindrical battery case, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3130704A JP2864299B2 (en) | 1991-03-19 | 1991-03-19 | Annular groove forming device for cylindrical battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3130704A JP2864299B2 (en) | 1991-03-19 | 1991-03-19 | Annular groove forming device for cylindrical battery case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04294828A true JPH04294828A (en) | 1992-10-19 |
| JP2864299B2 JP2864299B2 (en) | 1999-03-03 |
Family
ID=15040630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3130704A Expired - Fee Related JP2864299B2 (en) | 1991-03-19 | 1991-03-19 | Annular groove forming device for cylindrical battery case |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2864299B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997007551A1 (en) * | 1995-08-21 | 1997-02-27 | Fuji Photo Film Co., Ltd. | Method of producing cylindrical cell and apparatus therefor |
| WO2006134836A1 (en) * | 2005-06-16 | 2006-12-21 | Matsushita Electric Industrial Co., Ltd. | Manufacturing method and grooving device for cylindrical battery |
| CN106903198A (en) * | 2015-03-26 | 2017-06-30 | 吴国平 | Rolling line apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458050B (en) * | 2015-12-24 | 2017-07-25 | 杨家军 | A kind of Ni-MH power cell channelling machine |
| CN106111764A (en) * | 2016-08-11 | 2016-11-16 | 宁波甬龙机械有限公司 | A kind of lower lock block side channelling machine |
-
1991
- 1991-03-19 JP JP3130704A patent/JP2864299B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997007551A1 (en) * | 1995-08-21 | 1997-02-27 | Fuji Photo Film Co., Ltd. | Method of producing cylindrical cell and apparatus therefor |
| WO2006134836A1 (en) * | 2005-06-16 | 2006-12-21 | Matsushita Electric Industrial Co., Ltd. | Manufacturing method and grooving device for cylindrical battery |
| US8163040B2 (en) | 2005-06-16 | 2012-04-24 | Panasonic Corporation | Method for manufacturing cylindrical battery and groove-forming processing device of cylindrical battery |
| CN106903198A (en) * | 2015-03-26 | 2017-06-30 | 吴国平 | Rolling line apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2864299B2 (en) | 1999-03-03 |
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