JPS60158564A - Manufacture of winding type plate - Google Patents
Manufacture of winding type plateInfo
- Publication number
- JPS60158564A JPS60158564A JP59014805A JP1480584A JPS60158564A JP S60158564 A JPS60158564 A JP S60158564A JP 59014805 A JP59014805 A JP 59014805A JP 1480584 A JP1480584 A JP 1480584A JP S60158564 A JPS60158564 A JP S60158564A
- Authority
- JP
- Japan
- Prior art keywords
- tab
- electrode plate
- plate
- punched
- press
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
-
- 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
Abstract
Description
【発明の詳細な説明】
本発明は、ニッケルカドミウム蓄電池等に使用される捲
回式極板の製造法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a wound electrode plate used in nickel-cadmium storage batteries and the like.
ニッケルカドミウム蓄電池の陰陽極板１１２は、第１図
に示すように捲回された状態で、上蓋兼端子板３および
電池値４に電気的に接続する。The cathode and anode plates 112 of the nickel cadmium storage battery are electrically connected to the upper cover/terminal plate 3 and the battery cell 4 in a wound state as shown in FIG.
図においては、陽極板２から上蓋兼端子板３に接続する
ためタブ６が示されているが、陰極板１から電池銀４に
接続するためのタブは省略されている。捲回前の極板は
、第２図に示すように、本体６とタブ７とからなる。In the figure, a tab 6 is shown for connecting the anode plate 2 to the upper cover/terminal plate 3, but a tab for connecting the cathode plate 1 to the battery silver 4 is omitted. The electrode plate before winding consists of a main body 6 and a tab 7, as shown in FIG.
従来技術によれば、タブ７は、本体６と一体構造にする
か、溶接により接続されている。従来の一体構造では、
母材から極板形状に切出すときの材料の捨代が多い欠点
があり（後述する）溶接による場合は、溶接のための前
処理および溶接のための工数が必要であるという欠点が
ある。According to the prior art, the tab 7 is integrally constructed with the body 6 or connected by welding. In the conventional monolithic structure,
There is a disadvantage that a large amount of material is wasted when cutting the base material into an electrode plate shape (described later), and in the case of welding (described later), there is a disadvantage that pretreatment for welding and man-hours for welding are required.
品質の向上と製造工数低減のため、従来工程で行なわれ
ている溶接をやめ、タブを極板本体と一体構造にし次場
合、プレスによって打抜くことが望ましい。この際、従
来技術では、第３図に示すように母材から切出すのが一
般的である。本体６の長さとタブ７の高さに囲まれた部
分のうち、タブ７となる部分を除いて捨代８．８′８″
が生ずることになる。In order to improve quality and reduce manufacturing man-hours, it is desirable to eliminate welding, which is done in the conventional process, and instead make the tab integral with the electrode plate body and then punch it out using a press. At this time, in the prior art, it is common to cut out the base material as shown in FIG. Of the part surrounded by the length of the main body 6 and the height of the tab 7, the margin is 8.8'8'' excluding the part that becomes the tab 7.
will occur.
本発明は、捨代を大幅に削減して材料の利用率を高める
と共に、母材から極板の切出しをプレスによる打抜きで
効率よく行なうことを目的とするものである。The object of the present invention is to significantly reduce wastage and increase the utilization rate of materials, and to efficiently cut out electrode plates from a base material by punching with a press.
すなわち、本発明は、第４図に示すような切出しをプレ
スによる打抜きで行なう。心材に活物質を保持させた或
は保持させる前の母材９からプレスによる打抜きを行な
うに際し、極板の本体６から一体に突出するタブ７が、
同様に打抜かれる隣接する極板の本体に切欠部ｌＯとし
て残るように打抜く。そして、タブ７０打抜き形状を先
細元太とすることを％徴とするものである。切欠部１０
も消熱タブ７と同形状となる。That is, in the present invention, cutting as shown in FIG. 4 is performed by punching using a press. When punching the base material 9 with the core material holding the active material or before holding the active material using a press, the tab 7 integrally protruding from the main body 6 of the electrode plate is
It is punched out so that it remains as a notch lO in the body of the adjacent electrode plate that is punched out in the same way. The key feature is that the tab 70 is punched out in a tapered shape. Notch 10
It also has the same shape as the heat dissipating tab 7.
プレス打抜き加工においては、プレス型のポンチが材料
の抜き残し部分にくいつき、通常、プレス打抜き力の１
０−１５％に肖る剥離力、すなわちストリッピングフォ
ースを必要とする。In the press punching process, the press type punch sticks to the uncut portion of the material, and usually the press punch force is 1/2 of the press punching force.
A peeling force of 0-15% is required.
本発明のように、タブの打抜き形状を先細元太にすると
、打抜きの勇断側圧によって、材料の抜き残し部分がポ
ンチから剥離しやすくなる。When the punched shape of the tab is tapered as in the present invention, the uncut portion of the material is likely to be peeled off from the punch due to the lateral pressure of the punching.
これによって、材料の抜き残し部分がポンチに及はす摺
動摩擦が軽減される。また、ダイの中に抜き落とされる
打抜き品とダイとの摺動摩擦も同様に軽減される。この
ために、プレスの抜型の寿命ｔ−著しく増すことができ
ると共に作業効率の向上を図ることができる。This reduces the sliding friction caused by the portion of the material remaining on the punch. Furthermore, the sliding friction between the die and the punched product that is punched out into the die is also reduced. For this reason, the life t of the cutting die of the press can be significantly increased, and working efficiency can be improved.
タブの先端部の幅と元部の幅の差は、タブ長さ１２５＝
とすれば０．４〜０．８ 、あれば十分で、テーパで第
５図に示す角度αが０．５〜１度程度であった。The difference between the width of the tip of the tab and the width of the base is tab length 125 =
0.4 to 0.8 is sufficient, and the taper angle α shown in FIG. 5 was about 0.5 to 1 degree.
次に本発明の実施例を示す。Next, examples of the present invention will be shown.
第６図に示す各寸法が、第１表のとおりである極板をプ
レス打抜きで連続して得た。極板を捲同機により捲回す
る際、切欠部ｌＯが捲き始め位置に著しく近いと、活物
質保持層に割れや亀裂を生じ活物質脱落の原因となる。Electrode plates having the dimensions shown in FIG. 6 as shown in Table 1 were successively obtained by press punching. When winding the electrode plate with a winding machine, if the notch lO is extremely close to the winding start position, cracks or cracks will occur in the active material holding layer, causing the active material to fall off.
しかし、切欠部１０が捲き始め位置から３０論以上離れ
ているときは、その懸念は全くなかった。However, when the notch 10 was more than 30 mm away from the winding start position, there was no such concern at all.
第１表
上記いずれの極板の場合も、打ち残し部分がポンチから
容易に離れ、効率よく打抜き作業を行なうことができた
。タブの先端角部にＲＯ，２〜０．４ｍの丸味をつけて
打抜き、同様に切欠部の先端角部にも丸味が形成される
ようにしておくと、活物質保持層の割れや亀裂の発生防
止に有効であった。極板の捲回に際して、極板の外表面
、すなわち活物質保持層には引張力が加わり、特に縁辺
部では割れや亀裂が発生しゃすい。In the case of any of the above electrode plates in Table 1, the uncut portions were easily separated from the punch, and the punching work could be carried out efficiently. By punching out the tip corner of the tab with a roundness of 2 to 0.4 m, and making sure that the tip corner of the notch is also rounded, it will prevent cracks and cracks in the active material holding layer. It was effective in preventing the occurrence. When the electrode plate is wound, tensile force is applied to the outer surface of the electrode plate, that is, the active material holding layer, and cracks and cracks are likely to occur particularly at the edges.
そして、タブを構成するために、極板の本体に切欠部が
ある場合には、その先端の角部に引張力が集中し、小さ
な力で割れや亀裂が発生しゃすい。しかし、前述のよう
に丸味をつければ、 ５−
１
応力集中の程度は晶〜ｉｏｏになるので、この丸味は割
れや亀裂の発生防止に極めて有効であった。また、切欠
部の形状を先細元太にしたこと自体も、引張応力の集中
を防ぐ上で有効であった。If there is a notch in the main body of the electrode plate to form the tab, tensile force is concentrated at the corner of the tip, and cracks or cracks are likely to occur even with a small force. However, if roundness is added as described above, the degree of stress concentration becomes 5-ioo, so this roundness was extremely effective in preventing the occurrence of cracks and cracks. In addition, the fact that the shape of the notch was tapered to a thick shape was itself effective in preventing the concentration of tensile stress.
上述のように、本発明によれば、捨代を少なくして極板
の材料の利用率向上と共に、プレス抜型の寿命を長くシ
、また、効率のよいプレス打抜き作業を行なえる点、そ
の工業的価値は極めて大なるものである。As described above, according to the present invention, it is possible to reduce wastage and improve the utilization rate of the material of the electrode plate, extend the life of the press cutting die, and perform efficient press punching work. Its value is extremely great.
第１図は捲回式極板を用いるニッケルカドミウム蓄電池
の構造を示す斜視図、第２図は一般的な捲回式極板の平
面図、第３図は母材から極板を切出す従来の方法を示す
説明図、第４図は本発明における極板の切出し方法を示
す説明図、第５図は本発明による極板の平面図、第６図
は本発明による極板の他の例を示す平面図である。
６は極板の本体、７Ｆｉタブ、９は母材、１０は切欠部
６−
第５図
ＩＵ
第６図Figure 1 is a perspective view showing the structure of a nickel-cadmium storage battery using wound-type electrode plates, Figure 2 is a plan view of a general wound-type electrode plate, and Figure 3 is a conventional method in which electrode plates are cut out from a base material. FIG. 4 is an explanatory diagram showing the method of cutting out the electrode plate according to the present invention, FIG. 5 is a plan view of the electrode plate according to the present invention, and FIG. 6 is another example of the electrode plate according to the present invention. FIG. 6 is the main body of the electrode plate, 7Fi tab, 9 is the base material, 10 is the notch 6- Fig. 5 IU Fig. 6
Claims (1)
材から帯状の捲回式極板をプレスにより打抜くに際し、
該極板より一体に突出するタブが同様に打抜かれる隣接
する極板に同形状の切欠部として残るように打抜き、前
記タブの打抜き形状を先細元太とすることを％徴とする
捲回式極板の製造法。 ２、 タブを先細元太とするテーパ角度が０．５〜１度
である特許請求の範囲第１項記載の捲回式極板の製造法
。 ３、 タブ先端に丸味をもたせるように打抜く特許請求
の範囲第１項または第２項記載の捲回式極板の製造法。[Scope of Claims] 1. When punching out a strip-shaped winding type electrode plate from a base material in which the active material is held in the core/material or before being held in the core/material, using a press,
Winding characterized by punching out a tab integrally protruding from the electrode plate so as to remain as a notch of the same shape on an adjacent electrode plate which is similarly punched out, and making the punched shape of the tab taper. Method of manufacturing formula plates. 2. The method for manufacturing a wound type electrode plate according to claim 1, wherein the taper angle of the tab is 0.5 to 1 degree. 3. A method for manufacturing a wound electrode plate according to claim 1 or 2, in which the tab is punched so as to have a rounded tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59014805A JPS60158564A (en) | 1984-01-30 | 1984-01-30 | Manufacture of winding type plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59014805A JPS60158564A (en) | 1984-01-30 | 1984-01-30 | Manufacture of winding type plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60158564A true JPS60158564A (en) | 1985-08-19 |
| JPH0516145B2 JPH0516145B2 (en) | 1993-03-03 |
Family
ID=11871253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59014805A Granted JPS60158564A (en) | 1984-01-30 | 1984-01-30 | Manufacture of winding type plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60158564A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2615659A1 (en) * | 1987-05-19 | 1988-11-25 | Accumulateurs Fixes | Improvement to the spiralling of the bundles of wound-electrode sealed electrochemical generators |
-
1984
- 1984-01-30 JP JP59014805A patent/JPS60158564A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2615659A1 (en) * | 1987-05-19 | 1988-11-25 | Accumulateurs Fixes | Improvement to the spiralling of the bundles of wound-electrode sealed electrochemical generators |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0516145B2 (en) | 1993-03-03 |
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