JPH08138637A - Manufacture of rectangular battery - Google Patents
Manufacture of rectangular batteryInfo
- Publication number
- JPH08138637A JPH08138637A JP6277703A JP27770394A JPH08138637A JP H08138637 A JPH08138637 A JP H08138637A JP 6277703 A JP6277703 A JP 6277703A JP 27770394 A JP27770394 A JP 27770394A JP H08138637 A JPH08138637 A JP H08138637A
- Authority
- JP
- Japan
- Prior art keywords
- supply pipe
- rising portion
- container
- sealant
- nozzle hole
- 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
-
- 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】本発明は容器の上部開口部に封口
板がかしめ固定により取付けられた構造を有する角形電
池の製造方法に関し、特に前記容器の立上り部の内面に
シール剤を塗布する工程を改良した角形電池の製造方法
に係わるものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a prismatic battery having a structure in which a sealing plate is attached to an upper opening of a container by caulking and fixing, and in particular, a step of applying a sealant to the inner surface of the rising portion of the container. The present invention relates to a method for manufacturing a prismatic battery, which is improved.
【０００２】[0002]
【従来の技術】ノート型パソコン、ビデオカメラ、移動
式電話などの携帯用電子機器の需要が増加している。こ
れらの携帯用電子機器の電源としては、ニッケルカドミ
ウム二次電池やニッケル水素二次電池などのアルカリ二
次電池、リチウムイオン二次電池、リチウム電池が用い
られている。2. Description of the Related Art Demand for portable electronic devices such as laptop computers, video cameras and mobile phones is increasing. As power sources for these portable electronic devices, alkaline secondary batteries such as nickel-cadmium secondary batteries and nickel-hydrogen secondary batteries, lithium-ion secondary batteries, and lithium batteries are used.
【０００３】例えば角形ニッケル水素二次電池は次のよ
うな方法により製造される。角形容器の上部開口部を外
側に拡口することにより段部を形成する。また、活物質
として水酸化ニッケルを含む正極を二つ折りにした合成
樹脂繊維製のセパレータで挟み、この積層物と活物質と
して水素吸蔵合金を含む負極とを交互に重ねることによ
り電極群を作製する。前記容器に前記電極群を収納した
後、前記段部の上方に形成された立上り部の内面に例え
ばペースト状のアスファルトからなるシール剤を塗布す
る。ひきつづき、前記容器にアルカリ電解液を注液した
後、前記段部に封口板を合成樹脂製の絶縁ガスケットを
介して載置し、かしめ固定により前記容器の上部開口部
に取付けることにより前記二次電池を製造する。For example, a prismatic nickel-hydrogen secondary battery is manufactured by the following method. A step is formed by expanding the upper opening of the rectangular container to the outside. Further, a positive electrode containing nickel hydroxide as an active material is sandwiched between two folded synthetic resin fiber separators, and an electrode group is produced by alternately stacking this laminate and a negative electrode containing a hydrogen storage alloy as an active material. . After accommodating the electrode group in the container, a sealant made of, for example, paste asphalt is applied to the inner surface of the rising portion formed above the step. Continuing, after pouring the alkaline electrolyte into the container, place the sealing plate on the stepped part through the insulating gasket made of synthetic resin, and fix it by caulking and fixing it to the upper opening of the container. Manufacture batteries.
【０００４】前記二次電池において前記シール剤は前記
容器の上部開口部の内面と前記絶縁ガスケットとの密着
性を高めるため、前記容器の前記立上り部内面にむらな
く塗布される必要がある。角形容器２１の立上り部２２
の内面にシール剤を塗布する際には、従来より図７に示
すように下部が屈曲され、屈曲部から水平方向に延出さ
れた管に鉛直に形成された円形のノズル穴２３を有する
シール剤供給管２４と、前記供給管に前記シール剤を供
給するためのディスペンサー（図示せず）とを有するシ
ール剤塗布装置が用いられている。このような装置を用
い、前記供給管の前記ノズル穴を前記角形容器の立上り
部の内面に当接させ、図８に示すようにその内周面に沿
って移動させながら前記ノズル穴からシール剤を噴射し
て前記立上り部内面全周に塗布した後、前記供給管を同
方向に移動させて前記立上り部の内面全周に再度シール
剤を塗布する。In the secondary battery, the sealant needs to be evenly applied to the inner surface of the rising portion of the container in order to enhance the adhesion between the inner surface of the upper opening of the container and the insulating gasket. Rise 22 of rectangular container 21
When a sealant is applied to the inner surface of the seal, a seal having a circular nozzle hole 23 formed by bending a lower portion as shown in FIG. 7 and vertically extending from a bent portion in a horizontal direction. A sealant applying device having a agent supply pipe 24 and a dispenser (not shown) for supplying the sealant to the supply pipe is used. Using such an apparatus, the nozzle hole of the supply pipe is brought into contact with the inner surface of the rising portion of the rectangular container, and the sealant is moved from the nozzle hole while moving along the inner peripheral surface thereof as shown in FIG. Is sprayed and applied to the entire inner surface of the rising portion, then the supply pipe is moved in the same direction to apply the sealant again to the entire inner surface of the rising portion.
【０００５】しかしながら、このような方法によると、
１度目の塗布において未塗布の箇所や、シール剤がかす
れた箇所が生じると、２度目の塗布は供給管の移動方向
が１度目と同じであるため、１度目と同じ箇所にこのよ
うな塗布不良が生じ、塗布むらになるという問題点があ
った。未塗布やシール剤のかすれは主に図９に示すよう
に前記容器２１の長辺部に沿う立上り部２２の上端付近
に生じる。塗布むらが生じた容器に封口板を絶縁ガスケ
ットを介してかしめ固定により取り付けても、前記容器
の上部開口部内面と前記絶縁ガスケットとの密着性が劣
るため、前記二次電池の気密性が低下するという問題点
があった。However, according to such a method,
If an unapplied part or a part where the sealant is faded occurs in the first application, the second application has the same moving direction of the supply pipe as the first application, and thus the same application as the first application. There is a problem that a defect occurs and uneven coating occurs. The non-application and the fading of the sealing agent mainly occur near the upper end of the rising portion 22 along the long side portion of the container 21 as shown in FIG. Even if the sealing plate is attached to the container with uneven coating by caulking and fixing via an insulating gasket, the adhesion between the inner surface of the upper opening of the container and the insulating gasket is poor, so the airtightness of the secondary battery is reduced. There was a problem to do.
【０００６】[0006]
【発明が解決しようとする課題】本発明の目的は、塗布
むら発生率が低減されたシール剤塗布工程を備えた角形
電池の製造方法を提供しようとするものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for manufacturing a prismatic battery including a sealant coating step in which the uneven coating rate is reduced.
【０００７】[0007]
【課題を解決するための手段】本発明に係わる製造方法
は、上部開口部を拡口することにより形成された矩形状
の立上り部を有する有底角筒形の容器と、前記容器内に
収納され、正極と負極との間にセパレータを介装して作
製された電極群と、前記容器内に収容される電解液と、
前記容器の前記開口部に取付けられる封口板と、前記封
口板と前記開口部の内面との間に介装される絶縁ガスケ
ットとを備えた角形電池の製造方法であって、先端部の
側面を平坦化し、かつその面にノズル孔が開口されたシ
ール剤供給管を用い、前記立上り部の内面に前記供給管
の前記ノズル孔を有する平坦面を当接させ、その内周面
に沿って移動させながら前記ノズル孔からシール剤を噴
射して前記立上り部内面全周に塗布した後、前記供給管
の移動方向を逆にして前記立上り部内面全周に再度シー
ル剤を塗布する工程を具備したことを特徴とするもので
ある。According to the manufacturing method of the present invention, a bottomed rectangular cylindrical container having a rectangular rising portion formed by expanding the upper opening, and the container is housed in the container. The electrode group prepared by interposing a separator between the positive electrode and the negative electrode, and an electrolytic solution housed in the container,
A method for manufacturing a prismatic battery, comprising: a sealing plate attached to the opening of the container; and an insulating gasket interposed between the sealing plate and the inner surface of the opening, wherein Using a sealant supply pipe that is flattened and has a nozzle hole opened in its surface, a flat surface having the nozzle hole of the supply pipe is brought into contact with the inner surface of the rising portion, and moved along the inner peripheral surface thereof. While spraying the sealing agent from the nozzle hole while applying it to the entire inner surface of the rising portion, the moving direction of the supply pipe is reversed and the sealing agent is applied again to the entire inner surface of the rising portion. It is characterized by that.
【０００８】前記シール剤としては、例えばペースト状
のアスファルトを挙げることができる。また、本発明に
係わる別の角形電池の製造方法は、上部開口部を拡口す
ることにより形成された矩形状の立上り部を有する有底
角筒形の容器と、前記容器内に収納され、正極と負極と
の間にセパレータを介装して作製された電極群と、前記
容器内に収容される電解液と、前記容器の前記開口部に
取付けられる封口板と、前記封口板と前記開口部の内面
との間に介装される絶縁ガスケットとを備えた角形電池
の製造方法であって、先端部の側面を平坦化し、かつそ
の面にノズル孔が開口されたシール剤供給管を用い、前
記立上り部の内面と前記供給管の前記ノズル孔を有する
平坦面とのなす角が鋭角になるように前記内面に前記平
坦面の稜線を当接させ、前記供給管を前記平坦面が前方
を向く姿勢で前記立上り部の内周面に沿って移動させな
がら前記ノズル孔からシール剤を噴射して前記立上り部
の内面全周にシール剤を塗布した後、前記供給管の移動
方向を逆にして前記立上り部の内面全周にシール剤を再
度塗布することを特徴とするものである。Examples of the sealing agent include paste-like asphalt. Another method for manufacturing a prismatic battery according to the present invention is a bottomed rectangular tubular container having a rectangular rising portion formed by expanding the upper opening, and the container is housed in the container. An electrode group manufactured by interposing a separator between a positive electrode and a negative electrode, an electrolytic solution contained in the container, a sealing plate attached to the opening of the container, the sealing plate and the opening. A method for manufacturing a prismatic battery, comprising: an insulating gasket interposed between the sealing agent supply pipe having a flattened side surface and a nozzle hole formed in the surface. The ridge of the flat surface is brought into contact with the inner surface of the supply pipe so that the angle formed by the inner surface of the rising portion and the flat surface of the supply pipe having the nozzle hole is an acute angle, and the supply pipe is moved forward by the flat surface. Do not move along the inner peripheral surface of the rising part with the posture facing After spraying the sealing agent from the nozzle hole to apply the sealing agent to the entire inner surface of the rising portion, reverse the moving direction of the supply pipe and apply the sealing agent again to the entire inner surface of the rising portion. It is characterized by.
【０００９】前記供給管の前記ノズル孔を有する平坦面
と前記立上り部の内面とのなす角は、５°〜１０°にす
ることが好ましい。これは次のような理由によるもので
ある。前記角度を５°未満にすると、前記立上り部内面
に当接された前記平坦面の稜線により前記内面に塗布さ
れたシール剤をならすことが困難になる恐れがある。一
方、前記角度が１０°を越えると、前記立上り部の内面
にシール剤を塗布することが困難になる恐れがある。前
記角度のより好ましい範囲は、７°〜８°である。The angle between the flat surface of the supply pipe having the nozzle hole and the inner surface of the rising portion is preferably 5 ° to 10 °. This is due to the following reasons. If the angle is less than 5 °, it may be difficult to smooth the sealant applied to the inner surface by the ridgeline of the flat surface that is in contact with the inner surface of the rising portion. On the other hand, if the angle exceeds 10 °, it may be difficult to apply the sealing agent to the inner surface of the rising portion. A more preferable range of the angle is 7 ° to 8 °.
【００１０】前記シール剤としては、前述したものと同
様のものを挙げることができる。本発明に係わる更に別
の角形電池の製造方法は、上部開口部を拡口することに
より形成された矩形状の立上り部を有する有底角筒形の
容器と、前記容器内に収納され、正極と負極との間にセ
パレータを介装して作製された電極群と、前記容器内に
収容される電解液と、前記容器の前記開口部に取付けら
れる封口板と、前記封口板と前記開口部の内面との間に
介装される絶縁ガスケットとを備えた角形電池の製造方
法であって、先端部の側面を平坦化し、かつその面にノ
ズル孔が開口されたシール剤供給管を用い、前記立上り
部の内面と前記供給管の前記ノズル孔を有する平坦面と
のなす角が鋭角になるように前記内面に前記平坦面の稜
線を当接させ、前記供給管を前記立上り部の内周面に沿
って移動させながら前記ノズル孔からシール剤を噴射し
て前記立上り部の内面全周にシール剤を塗布した後、前
記供給管を前記平坦面が前記塗布工程と反対方向に向く
姿勢にして逆方向に移動させ、前記立上り部の内面全周
にシール剤を再度塗布することを特徴とするものであ
る。Examples of the sealing agent include the same ones as described above. Another method for manufacturing a prismatic battery according to the present invention is a bottomed rectangular tube-shaped container having a rectangular rising portion formed by expanding an upper opening, and a positive electrode housed in the container. An electrode group manufactured by interposing a separator between the negative electrode and the negative electrode, an electrolytic solution housed in the container, a sealing plate attached to the opening of the container, the sealing plate and the opening A method for manufacturing a prismatic battery, comprising an insulating gasket interposed between the inner surface and the inner surface of, and using a sealant supply pipe in which a side surface of a tip portion is flattened and a nozzle hole is opened in the surface, The ridgeline of the flat surface is brought into contact with the inner surface of the rising portion so that the angle formed by the inner surface of the rising portion and the flat surface of the supply pipe having the nozzle hole is an acute angle, and the supply pipe is surrounded by the inner circumference of the rising portion. The sealant is sprayed from the nozzle hole while moving along the surface. Then, after applying the sealant to the entire inner surface of the rising portion, the supply pipe is moved in the opposite direction with the flat surface facing in the opposite direction to the coating step, and to the entire inner surface of the rising portion. It is characterized in that the sealant is applied again.
【００１１】前記１度目の塗布において前記供給管の姿
勢を前記平坦面が前方を向く姿勢にした場合、前記２度
目の塗布は前記供給管を前記平坦面が後方を向く姿勢に
変化させた後に前記供給管を逆方向に移動させることに
より行われる。また、前記１度目の塗布において前記供
給管の姿勢を前記平坦面が後方を向く姿勢にした場合、
前記２度目の塗布は前記供給管を前記平坦面が前方を向
く姿勢に変化させた後に前記供給管を逆方向に移動させ
ることにより行われる。When the posture of the supply pipe is changed to the posture in which the flat surface faces the front in the first coating, the second coating is performed after the supply pipe is changed to the posture in which the flat surface faces the rear. This is done by moving the supply pipe in the opposite direction. Further, in the case where the posture of the supply pipe is changed to the posture in which the flat surface faces rearward in the first application,
The second application is performed by changing the supply pipe to a posture in which the flat surface faces the front and then moving the supply pipe in the opposite direction.
【００１２】前記立上り部の内面と前記ノズル孔を有す
る平坦面とのなす角は、前述したのと同様な理由により
５°〜１０°にすることが好ましい。前記角度のより好
ましい範囲は、７°〜８°である。前記シール剤として
は、前述したものと同様のものを挙げることができる。The angle formed by the inner surface of the rising portion and the flat surface having the nozzle hole is preferably 5 ° to 10 ° for the same reason as described above. A more preferable range of the angle is 7 ° to 8 °. Examples of the sealing agent include the same ones as described above.
【００１３】[0013]
【作用】本発明の角形電池の製造方法によれば、先端部
の側面を平坦化し、かつその面にノズル孔が開口された
シール剤供給管を用い、前記立上り部の内面に前記供給
管の前記ノズル孔を有する平坦面を当接させ、その内周
面に沿って移動させながら前記ノズル孔からシール剤を
噴射して前記立上り部内面全周に塗布した後、前記供給
管の移動方向を逆にして前記立上り部内面全周に再度シ
ール剤を塗布することによって、１度目の塗布において
未塗布やシール剤のかすれが生じた際に、２度目の塗布
は前記供給管の移動方向が１度目と逆であるために塗布
不良が生じる箇所が１度目と異なる。その結果、前記立
上り部の内面全周にシール剤をむらなく塗布することが
できるため、塗布むら発生率を低減することができる。
従って、前記容器の上部開口部の内面と絶縁ガスケット
との密着性を向上することができるため、封口板を前記
容器の上部開口部に気密性良く取り付けることができ
る。このため、角形電池の信頼性を向上することができ
る。According to the method for manufacturing a prismatic battery of the present invention, the side surface of the tip portion is flattened, and the sealant supply pipe having the nozzle hole opened on the surface thereof is used, and the supply pipe is provided on the inner surface of the rising portion. The flat surface having the nozzle hole is brought into contact, and while moving along the inner peripheral surface of the nozzle hole, a sealing agent is sprayed to apply the sealing agent to the entire inner surface of the rising portion, and then the moving direction of the supply pipe is changed. On the contrary, when the sealing agent is applied again on the entire inner surface of the rising portion, when the non-application or the fading of the sealing agent occurs in the first application, the second application is performed in the moving direction of the supply pipe. Since it is the reverse of the first time, the place where the coating failure occurs is different from the first time. As a result, since the sealant can be uniformly applied to the entire inner surface of the rising portion, it is possible to reduce the uneven application rate.
Therefore, since the adhesion between the inner surface of the upper opening of the container and the insulating gasket can be improved, the sealing plate can be attached to the upper opening of the container with good airtightness. Therefore, the reliability of the prismatic battery can be improved.
【００１４】本発明に係わる別の製造方法によると、立
上り部の内面と供給管のノズル孔を有する平坦面とのな
す角が鋭角になるように前記内面に前記平坦面の稜線を
当接させ、例えば前記供給管を前記平坦面が前方を向く
姿勢でその内周面に沿って移動させながら前記ノズル孔
からシール剤を噴射して前記立上り部の内面全周にシー
ル剤を塗布した後、前記供給管を前記平坦面が後方を向
く姿勢に変化させて逆方向に移動させ、前記立上り部の
内面全周にシール剤を再度塗布することによって、前記
内面に吹き付けられたシール剤を前記平坦面の稜線でな
らして塗布することができる。このため、前記ノズル孔
を有する平坦面を前記立上り部の内面に当接させる場合
と比べて塗布むら発生率を低減することができる。ま
た、例えば前記供給管を前記平坦面が後方を向く姿勢で
前記内周面に沿って移動させながら前記ノズル孔からシ
ール剤を噴射して前記立上り部の内面全周にシール剤を
塗布した後、前記供給管を前記平坦面が前方を向く姿勢
に変化させて逆方向に移動させ、前記立上り部の内面全
周にシール剤を再度塗布することによって、１度目に塗
布されたシール剤を前記平坦面の稜線でならした後に２
度目の塗布を行うことができる。その結果、前記ノズル
孔を有する平坦面を前記立上り部の内面に当接させる場
合と比べて塗布むら発生率を低減することができる。According to another manufacturing method of the present invention, the ridgeline of the flat surface is brought into contact with the inner surface so that the angle formed by the inner surface of the rising portion and the flat surface having the nozzle hole of the supply pipe is an acute angle. , For example, after applying the sealant to the inner surface of the rising portion by injecting the sealant from the nozzle hole while moving the supply pipe along the inner peripheral surface in a posture in which the flat surface faces forward, The supply pipe is changed to a posture in which the flat surface faces rearward and moved in the opposite direction, and the sealing agent sprayed on the inner surface is flattened by applying the sealing agent again on the entire inner surface of the rising portion. It can be applied evenly on the ridge of the surface. Therefore, as compared with the case where the flat surface having the nozzle hole is brought into contact with the inner surface of the rising portion, the coating unevenness occurrence rate can be reduced. Further, for example, after the supply pipe is moved along the inner peripheral surface in a posture in which the flat surface faces rearward, a sealant is sprayed from the nozzle hole to apply the sealant to the entire inner surface of the rising portion. , The flat surface is changed to a position in which the flat surface faces the front and is moved in the opposite direction, and the seal agent is applied to the entire circumference of the inner surface of the rising portion again, so that the seal agent applied for the first time is 2 after smoothing along the ridge of a flat surface
A second application can be performed. As a result, it is possible to reduce the occurrence rate of coating unevenness as compared with the case where the flat surface having the nozzle hole is brought into contact with the inner surface of the rising portion.
【００１５】また、本発明に係わる更に別の製造方法に
よると、立上り部の内面と供給管のノズル孔を有する平
坦面とのなす角が鋭角になるように前記内面に前記平坦
面の稜線を当接させ、前記供給管を前記平坦面が前方を
向く姿勢で立上り部の内周面に沿って移動させながら前
記ノズル孔からシール剤を噴射することによって、内面
に吹き付けられたシール剤を前記内面に当接された前記
平坦面の稜線でならして前記立上り部の内面全周に塗布
することができる。その後、前記供給管を逆方向に移動
させることによって、１度目に塗布されたシール剤を前
記平坦面の稜線でならした後に２度目の塗布を行うこと
ができる。従って、塗布むらが生じるのを防止すること
ができる。Further, according to still another manufacturing method of the present invention, the ridgeline of the flat surface is formed on the inner surface so that the angle formed by the inner surface of the rising portion and the flat surface having the nozzle hole of the supply pipe is an acute angle. The sealant sprayed on the inner surface is brought into contact with the sealant by spraying the sealant from the nozzle hole while moving the supply pipe along the inner peripheral surface of the rising portion with the flat surface facing forward. The ridge line of the flat surface abutted on the inner surface can be smoothed and applied to the entire inner surface of the rising portion. After that, by moving the supply pipe in the opposite direction, the sealing agent applied for the first time is smoothed along the ridge line of the flat surface, and then the second application can be performed. Therefore, it is possible to prevent uneven application.
【００１６】[0016]
【実施例】まず、本発明の実施例で用いられるシール剤
塗布装置を図１〜図３を参照して説明する。プレート１
は、下方に配置された図示しない駆動手段により一定の
矩形の軌跡を描くように動作される。前記駆動手段は、
図示しないＸ，Ｙ軸方向に延びる２本の回り止めガイド
を備えている。前記Ｘ軸方向に延びる回り止めガイドに
は、図示しない第１可動ブロックがＸ軸方向の往復動自
在に係合されており、かつ前記可動ブロック上には前記
Ｙ軸方向に延びる回り止めガイドが固定されている。前
記Ｙ軸方向に延びる回り止めガイドには、図示しない第
２可動ブロックがＹ軸方向の往復動自在に係合されてい
る。前記プレート１は、前記第２可動ブロックに図示し
ない支持ピンを介して固定されている。前記第１、第２
の可動ブロックは、それぞれ前記Ｘ軸、Ｙ軸ガイドに沿
って延伸した第１、第２のボールねじ（図示せず）に係
合されている。前記第１、第２のボールねじの一端は、
それぞれ図示しない第１、第２のステッピングモータの
駆動軸に連結されている。このような構成の駆動手段に
おいて、前記Ｘ軸方向のステッピングモータにより前記
第１のボールねじを例えば時計回りに回転させると、前
記ボールねじに係合された前記第１可動ブロックが前記
ボールねじ上を一定距離前進し、これに伴って前記プレ
ート１は前記第１可動ブロックの移動と同方向に一定距
離移動される。つづいて、前記Ｙ軸方向のステッピング
モータにより前記第２のボールねじを例えば時計回りに
回転させると、前記ボールねじに係合された前記第２可
動ブロックが前記ボールねじ上を一定距離前進し、これ
に伴って前記プレート１は前記第２可動ブロックの移動
と同方向に一定距離移動される。ひきつづき、前記Ｘ軸
方向のステッピングモータにより前記第１のボールねじ
を反時計回りに回転させると、前記ボールねじに係合さ
れた前記第１可動ブロックが前記ボールねじ上を後退
し、前記プレート１はＸ軸方向に前記後退距離分だけ戻
る。その後、前記Ｙ軸方向のステッピングモータにより
前記第２のボールねじを反時計回りに回転させると、前
記ボールねじに係合された前記第２可動ブロックが前記
ボールねじ上を後退し、前記プレート１はＹ軸方向に前
記後退距離分だけ戻り、始めの位置に戻るため、一定の
矩形の軌跡を描くように動作される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a sealant applying device used in an embodiment of the present invention will be described with reference to FIGS. Plate 1
Is operated so as to draw a fixed rectangular locus by a driving unit (not shown) arranged below. The drive means is
Two detent guides extending in the X and Y axis directions (not shown) are provided. A first movable block (not shown) is engaged with the detent guide extending in the X-axis direction so as to reciprocate in the X-axis direction, and a detent guide extending in the Y-axis direction is provided on the movable block. It is fixed. A second movable block (not shown) is engaged with the anti-rotation guide extending in the Y-axis direction so as to be reciprocally movable in the Y-axis direction. The plate 1 is fixed to the second movable block via a support pin (not shown). The first and second
The movable block is engaged with first and second ball screws (not shown) extending along the X-axis and Y-axis guides, respectively. One ends of the first and second ball screws are
The drive shafts of the first and second stepping motors (not shown) are connected to each other. In the driving means having such a configuration, when the first ball screw is rotated, for example, clockwise by the stepping motor in the X-axis direction, the first movable block engaged with the ball screw moves above the ball screw. Is moved forward by a certain distance, and accordingly, the plate 1 is moved by a certain distance in the same direction as the movement of the first movable block. Then, when the second ball screw is rotated clockwise, for example, by the stepping motor in the Y-axis direction, the second movable block engaged with the ball screw advances a predetermined distance on the ball screw, Along with this, the plate 1 is moved by a certain distance in the same direction as the movement of the second movable block. Subsequently, when the first ball screw is rotated counterclockwise by the stepping motor in the X-axis direction, the first movable block engaged with the ball screw retreats on the ball screw, and the plate 1 Moves back in the X-axis direction by the retreat distance. Then, when the second ball screw is rotated counterclockwise by the stepping motor in the Y-axis direction, the second movable block engaged with the ball screw retreats on the ball screw and the plate 1 Moves in the Y-axis direction by the retreat distance and returns to the initial position, so that it is operated so as to draw a fixed rectangular trajectory.
【００１７】第３のステッピングモータ２は、前記プレ
ート１に固定されている。第１のタイミングプーリ３
は、前記モータ２の駆動軸４に軸着されている。円形貫
通穴を有するホルダー保持板５は、一端が前記プレート
１に固定されている。シール剤供給管ホルダー６は、中
央に円形貫通穴を有する大径円柱７と、前記円柱７の貫
通穴に両端が突出するように回転自在に取り付けられ、
円形貫通穴を有する小径円柱８とから構成される。前記
供給管ホルダー６の前記大径円柱７は、前記ホルダー支
持板５の貫通穴に両端が突出するように固定されてい
る。第２のタイミングプーリ９は、前記供給管ホルダー
６の前記大径円柱７上に配置されている。前記タイミン
グプーリ９には、前記供給管ホルダー６の前記小径円柱
８が軸着されている。タイミングベルト１０は、前記第
１タイミングプーリ３と前記第２タイミングプーリ９と
に枢支されている。シール剤供給管１１は図２及び図３
に示すように、下部が屈曲され、屈曲部から水平方向に
延出された管に円形のノズル孔１２が鉛直に形成されて
いる。このような構造を有する供給管１１は前記供給管
ホルダー６の前記小径円柱８の貫通穴に両端が突出する
ように固定されている。このような構成によれば、前記
第３スッテピングモータ２の駆動軸４を一定角度回転さ
せると、前記第１タイミングプーリ３が回転し、これに
伴って前記タイミングベルト１０で枢支された前記第２
タイミングプーリ９が回転する。その結果、前記供給管
ホルダー６の前記小径円柱８が回転するため、前記供給
管１１の前記ノズル孔１２の向きが前記モータ２の駆動
軸４の回転と同一方向に同一角度分変化される。The third stepping motor 2 is fixed to the plate 1. First timing pulley 3
Is mounted on the drive shaft 4 of the motor 2. One end of the holder holding plate 5 having a circular through hole is fixed to the plate 1. The sealant supply pipe holder 6 is rotatably attached such that a large diameter cylinder 7 having a circular through hole in the center and a through hole of the cylinder 7 so that both ends thereof protrude.
It is composed of a small diameter cylinder 8 having a circular through hole. The large diameter cylinder 7 of the supply pipe holder 6 is fixed to the through hole of the holder support plate 5 so that both ends thereof protrude. The second timing pulley 9 is arranged on the large diameter cylinder 7 of the supply pipe holder 6. The small diameter cylinder 8 of the supply pipe holder 6 is axially attached to the timing pulley 9. The timing belt 10 is pivotally supported by the first timing pulley 3 and the second timing pulley 9. The sealant supply pipe 11 is shown in FIGS.
As shown in FIG. 5, the lower portion is bent, and a circular nozzle hole 12 is vertically formed in the tube extending horizontally from the bent portion. The supply pipe 11 having such a structure is fixed to the through hole of the small diameter cylinder 8 of the supply pipe holder 6 so that both ends thereof protrude. According to this structure, when the drive shaft 4 of the third stepping motor 2 is rotated by a certain angle, the first timing pulley 3 rotates, and accordingly, the timing belt 10 pivotally supports the timing belt 10. Second
The timing pulley 9 rotates. As a result, since the small diameter cylinder 8 of the supply pipe holder 6 rotates, the direction of the nozzle hole 12 of the supply pipe 11 changes in the same direction as the rotation of the drive shaft 4 of the motor 2 by the same angle.
【００１８】図示しないディスペンサーは前記供給管１
１に接続されている。前記ディスペンサーには図示しな
いタンクが接続されている。前記タンクには例えばアス
ファルトからなるシール剤が収容されている。前記ディ
スペンサーを駆動すると、前記タンク内のシール剤は前
記供給管１１に供給されて前記ノズル孔１２から噴射さ
れる。なお、前記装置の動作はシーケンスにより制御さ
れる。The dispenser (not shown) is the supply pipe 1
Connected to 1. A tank (not shown) is connected to the dispenser. The tank contains a sealing agent made of, for example, asphalt. When the dispenser is driven, the sealant in the tank is supplied to the supply pipe 11 and sprayed from the nozzle hole 12. The operation of the device is controlled by a sequence.
【００１９】以下、前述したシール剤塗布装置を用いて
本発明の実施例を詳細に説明する。 実施例１ 前述した図２及び図３に示すように、上部開口部を拡口
することにより形成された立上り部１３を有する有底角
筒形の容器１４を用意し、前記容器１４のＸ軸方向に沿
う立上り部１３の内面に前記供給管１１の前記ノズル孔
１２を当接させた。前記供給管１１を前記立上り部１３
の内周面に沿って移動させて図４に示す軌跡を描かせる
ことにより前記立上り部１３の内面全周にシール剤を塗
布した。Hereinafter, the embodiments of the present invention will be described in detail by using the above-mentioned sealing agent applying device. Example 1 As shown in FIGS. 2 and 3 described above, a bottomed rectangular tube-shaped container 14 having a rising portion 13 formed by expanding an upper opening is prepared, and the X-axis of the container 14 is prepared. The nozzle hole 12 of the supply pipe 11 was brought into contact with the inner surface of the rising portion 13 along the direction. Connect the supply pipe 11 to the rising portion 13
The sealant was applied to the entire inner surface of the rising portion 13 by moving along the inner surface of the above and drawing the locus shown in FIG.
【００２０】すなわち、前記装置の駆動源をオンにする
と、前記Ｘ軸方向のステッピングモータが駆動されて前
記プレート１に固定された前記ホルダー支持板５が前進
し、前記供給管１１がコーナ部１５1 まで移動される。
このＸ軸方向のステッピングモータの駆動と同期して前
記ディスペンサーが駆動され、前記供給管１１の前記ノ
ズル孔１２からシール剤が噴射される。このため、始点
及びコーナ部１５1 間の内面にシール剤が塗布される。
前記Ｘ軸方向のステッピングモータが停止すると、前記
ディスペンサーが停止し、前記第３ステッピングモータ
２が駆動されて前記供給管１１は時計回りに９０度回転
され、前記ノズル孔１２がＹ軸方向に沿う立上り部１３
の内面に当接される。前記第３ステッピングモータ２が
停止されて前記Ｙ軸方向のステッピングモータが駆動さ
れると、前記ホルダー支持板５が前進し、前記供給管１
１がコーナ部１５2 まで移動される。このＹ軸方向のス
テッピングモータの駆動と同期して前記ディスペンサー
が駆動され、前記供給管１１の前記ノズル孔１２からシ
ール剤が噴射される。このため、コーナ部１５1 及びコ
ーナ部１５2 間の内面にシール剤が塗布される。前記Ｙ
軸方向のステッピングモータが停止すると、前記ディス
ペンサーが停止し、前記第３ステッピングモータ２が駆
動されて前記供給管１１は時計回りに９０度回転され、
前記ノズル孔１２がＸ軸方向に沿う立上り部１３の内面
に当接される。前記第３ステッピングモータ２が停止
し、前記Ｘ軸方向のステッピングモータが駆動される
と、前記供給管１１はコーナ部１５3 まで移動されてコ
ーナ部１５2 及びコーナ部１５3 間の内面にシール剤が
塗布される。前記Ｘ軸方向のステッピングモータが停止
し、前記第３ステッピングモータ２が駆動されて前記供
給管１１は時計回りに９０度回転され、前記ノズル孔１
２がＹ軸方向に沿う立上り部１３の内面に当接される。
前記第３ステッピングモータ２が停止されて前記Ｙ軸方
向のステッピングモータが駆動されると、前記供給管１
１がコーナ部１５4 まで移動されてコーナ部１５3 及び
コーナ部１５4 間の内面にシール剤が塗布される。前記
Ｙ軸方向のステッピングモータが停止して前記第３ステ
ッピングモータ２が駆動されて前記供給管１１は時計回
りに９０度回転され、前記ノズル孔１２がＸ軸方向に沿
う立上り部１３の内面に当接される。前記第３ステッピ
ングモータ２が停止し、前記Ｘ軸方向のステッピングモ
ータが駆動され、前記供給管１１は始点から所望の距離
を過ぎた位置まで前進する。その結果、前記立上り部１
３の内面全周にシール剤が塗布される。That is, when the drive source of the apparatus is turned on, the stepping motor in the X-axis direction is driven to move the holder support plate 5 fixed to the plate 1 forward, and the supply pipe 11 to the corner portion 15. Moved up to 1 .
The dispenser is driven in synchronization with the driving of the stepping motor in the X-axis direction, and the sealing agent is sprayed from the nozzle hole 12 of the supply pipe 11. Therefore, the sealant is applied to the inner surface between the starting point and the corner portion 15 1 .
When the stepping motor in the X-axis direction is stopped, the dispenser is stopped, the third stepping motor 2 is driven, the supply pipe 11 is rotated 90 degrees clockwise, and the nozzle hole 12 is aligned in the Y-axis direction. Rising section 13
Abutted against the inner surface of. When the third stepping motor 2 is stopped and the stepping motor in the Y-axis direction is driven, the holder support plate 5 advances and the supply pipe 1
1 is moved to the corner 15 2 . The dispenser is driven in synchronization with the driving of the stepping motor in the Y-axis direction, and the sealing agent is sprayed from the nozzle hole 12 of the supply pipe 11. Therefore, the sealant is applied to the inner surface between the corner portion 15 1 and the corner portion 15 2 . Said Y
When the axial stepping motor is stopped, the dispenser is stopped, the third stepping motor 2 is driven, and the supply pipe 11 is rotated 90 degrees clockwise,
The nozzle hole 12 is brought into contact with the inner surface of the rising portion 13 along the X-axis direction. The third stepping motor 2 is stopped, when the X-axis direction of the stepping motor is driven, the seal on the inner surface between the supply tube 11 corner 15 3 is moved corners 15 2 and the corner portion to 15 3 The agent is applied. The stepping motor in the X-axis direction is stopped, the third stepping motor 2 is driven, the supply pipe 11 is rotated 90 degrees clockwise, and the nozzle hole 1
2 is brought into contact with the inner surface of the rising portion 13 along the Y-axis direction.
When the third stepping motor 2 is stopped and the stepping motor in the Y-axis direction is driven, the supply pipe 1
1 the sealing agent is applied to the inner surface between the moved corner 15 3 and the corner portion 15 4 to corners 15 4. The Y-axis stepping motor is stopped and the third stepping motor 2 is driven, the supply pipe 11 is rotated 90 degrees clockwise, and the nozzle hole 12 is formed on the inner surface of the rising portion 13 along the X-axis direction. Abut. The third stepping motor 2 is stopped, the stepping motor in the X-axis direction is driven, and the supply pipe 11 advances to a position past a desired distance from the starting point. As a result, the rising portion 1
A sealant is applied to the entire circumference of the inner surface of No. 3.
【００２１】次いで、前記供給管１１は前記コーナ部１
５4 まで戻りコーナ部１５4 及びコーナ部１５1 間の内
面にシール剤が塗布される。つづいて、前記Ｘ軸方向の
ステッピングモータが停止すると、前記第３ステッピン
グモータ２が駆動されて前記供給管１１は反時計回りに
９０度回転され、前記ノズル孔１２がＹ軸方向に沿う立
上り部１３の内面に当接される。ひきつづき、コーナ部
１５4 及びコーナ部１５3 間の内面の塗布、ノズル孔１
２の向きの変更、コーナ部１５3 及びコーナ部１５2 間
の内面の塗布、ノズル孔１２の向きの変更、コーナ部１
５2 及びコーナ部１５1 間の内面の塗布、ノズル孔１２
の向きの変更、コーナ部１５1 から終点までの内面の塗
布を行うことにより前記容器１４の立上り部１３の内面
全周に再度シール剤が塗布される。 比較例 供給管の移動方向を１度目と２度目とで同じにして有底
角筒形の容器の立上り部内面全周にシール剤を塗布し
た。Next, the supply pipe 11 is connected to the corner portion 1.
5 4 to return corners 15 4 and the corner portion 15 sealant on the inner surface between 1 is applied. Then, when the stepping motor in the X-axis direction is stopped, the third stepping motor 2 is driven to rotate the supply pipe 11 counterclockwise by 90 degrees, and the nozzle hole 12 rises along the Y-axis direction. It contacts the inner surface of 13. Continuing, coating the inner surface between the corner portion 15 4 and the corner portion 15 3 , nozzle hole 1
2 change of direction, coating of inner surface between the corner portion 15 3 and the corner portion 15 2 , change of direction of the nozzle hole 12, corner portion 1
5 2 and the coating of the inner surface between the corner portions 15 1, the nozzle hole 12
Changing the orientation of again sealant all around the inner surface of the rising portion 13 of the container 14 is applied by performing coating of the inner surface of the corner portion 15 1 to the end point. Comparative Example A sealing agent was applied to the entire inner circumference of the rising portion of a square-bottomed container having a bottom and the same direction of movement of the supply pipe for the first and second movements.
【００２２】実施例１及び比較例の方法それぞれについ
て、９００個の角形容器の立上り部内面にシール剤塗布
した際に塗布むらが生じた容器の個数を調べ、その結果
を下記表１に示す。With respect to each of the methods of Example 1 and Comparative Example, the number of containers in which coating unevenness occurred when the sealing agent was applied to the inner surface of the rising portion of 900 rectangular containers was examined, and the results are shown in Table 1 below.
【００２３】 表１から明らかなように、前記立上り部の内面に前記ノ
ズル孔を当接させ、その内周面に沿って移動させながら
前記立上り部内面全周に塗布した後、前記供給管の移動
方向を逆にして前記立上り部内面全周に再度シール剤を
塗布する実施例１は、塗布むら発生率が低いことがわか
る。これに対し、２度目の供給管の移動方向が１度目と
同じである比較例は、塗布むら発生率が高いことがわか
る。 実施例２〜４ 図５に示すように、コーナ部１５1 及びコーナ部１５4
間の立上り部内面と前記ノズル孔１２とのなす角θが５
°，１０°，４５°になるように前記内面に前記ノズル
孔１２を有する平坦面の稜線１２ａを当接させた。前記
供給管１１を前記ノズル孔１２が前方を向く姿勢で前述
した図４に示すように始点からコーナ部１５1 ，１５
2 ，１５3 ，１５4 を経て折り返し点まで移動させ、前
方にシール剤を吹き付け、吹き付けられたシール剤を前
記平坦面の稜線１２ａによりならすことにより前記立上
り部１３の内面全周にシール剤を塗布した。つづいて、
前記供給管１１の移動方向を逆にし、前述した図４に示
すように前記折り返し点からコーナ部１５4 ，１５3 ，
１５2 ，１５1 を経て終点まで移動させ、１度目の塗布
で内面に塗布されたシール剤を前記平坦面の稜線１２ａ
によりならした後、シール剤を吹き付けることにより前
記立上り部１３の内面全周に再度シール剤を塗布した。[0023] As is clear from Table 1, the nozzle hole is brought into contact with the inner surface of the rising portion, and while moving along the inner peripheral surface thereof, the entire inner surface of the rising portion is coated, and then the moving direction of the supply pipe is changed. On the contrary, in Example 1 in which the sealant is applied again to the entire inner surface of the rising portion, it can be seen that the uneven application rate is low. On the other hand, in the comparative example in which the moving direction of the supply pipe at the second time is the same as that at the first time, it can be seen that the uneven coating occurrence rate is high. Examples 2 to 4 As shown in FIG. 5, the corner portion 15 1 and the corner portion 15 4
The angle θ between the inner surface of the rising portion and the nozzle hole 12 is 5
The ridge line 12a of the flat surface having the nozzle hole 12 was brought into contact with the inner surface so as to be at an angle of 10.degree. With the nozzle hole 12 facing forward, as shown in FIG. 4, the supply pipe 11 is moved from the starting point to the corners 15 1 , 15 as shown in FIG.
After moving to the turning point via 2 , 15 3 and 15 4 , the sealing agent is sprayed forward, and the sprayed sealing agent is smoothed by the ridgeline 12a of the flat surface, so that the sealing agent is applied to the entire inner surface of the rising portion 13. Applied. Continuing,
As the moving direction of the supply pipe 11 is reversed, as shown in FIG. 4, the corner portions 15 4 , 15 3 ,
After passing through 15 2 and 15 1 , the sealant applied to the inner surface by the first application is moved to the end point and the ridge line 12a of the flat surface is applied.
Then, the sealant was sprayed again to apply the sealant to the entire inner surface of the rising portion 13 again.
【００２４】実施例２〜４の方法それぞれについて、９
００個の角形容器の立上り部の内面にシール剤塗布した
際に塗布むらが生じた容器の個数を調べ、その結果を下
記表２に示す。For each of the methods of Examples 2-4, 9
The number of containers having coating unevenness when the sealing agent was applied to the inner surface of the rising portion of the 00 rectangular containers was examined, and the results are shown in Table 2 below.
【００２５】 表２ ノズル孔と立上り部内面とのなす角（°） 塗布むら発生率（％） 実施例２ ５ １．８ 実施例３ １０ １．３ 実施例４ ４５ ４．３ 表２から明らかなように、前記立上り部の内面と前記ノ
ズル孔を有する平坦面とのなす角が鋭角になるように前
記内面に前記平坦面の稜線を当接させ、前記供給管を前
記ノズル孔が前方を向く姿勢で前記立上り部の内周面に
沿って移動させて前記立上り部の内面全周にシール剤を
塗布した後、前記供給管の移動方向を逆にして前記立上
り部の内面全周にシール剤を再度塗布する実施例２〜４
は、塗布むらが生じる割合が著しく低いことがわかる。Table 2 Angle formed between nozzle hole and inner surface of rising portion (°) Incidence of coating unevenness (%) Example 2 5 1.8 Example 3 10 1.3 Example 4 45 4.3 Clear from Table 2 In this way, the ridgeline of the flat surface is brought into contact with the inner surface so that the angle formed by the inner surface of the rising portion and the flat surface having the nozzle hole is an acute angle, and the supply pipe is arranged so that the nozzle hole moves forward. After moving along the inner peripheral surface of the rising portion in a facing posture to apply the sealant to the entire inner surface of the rising portion, reverse the moving direction of the supply pipe to seal the entire inner surface of the rising portion. Examples 2 to 4 in which the agent is applied again
It can be seen that the ratio of coating unevenness is extremely low.
【００２６】図６に示すように、コーナ部１５1 及びコ
ーナ部１５4 間の立上り部内面と前記ノズル孔１２との
なす角が鋭角になるように前記内面に前記ノズル孔１２
を有する平坦面の稜線１２ａを当接させた。つづいて、
前記供給管１１を前記ノズル孔１２が後方を向く姿勢で
前述した図４に示すように始点からコーナ部１５1 ，１
５2 ，１５3 ，１５4 を経て折り返し点まで移動させ、
シール剤を吹き付けることにより前記立上り部１３の内
面全周にシール剤を塗布した。ひきつづき、図６に示す
ように前記供給管１１の移動方向を逆にし、前記供給管
１１の姿勢を前記ノズル孔１２が後方を向くように変え
て前記供給管１１を前述した図４に示すように前記折り
返し点からコーナ部１５4 ，１５3 ，１５2 ，１５1 を
経て終点まで移動させ、１度目の塗布で内面に塗布され
たシール剤を前記平坦面の稜線１２ａによりならした
後、シール剤を吹き付けることにより前記立上り部１３
の内面全周に再度シール剤を塗布した。その結果、前記
立上り部１３の内面全周にシール剤を均一に塗布するこ
とができた。As shown in FIG. 6, the nozzle hole 12 is formed on the inner surface so that the angle between the inner surface of the rising portion between the corner portion 15 1 and the corner portion 15 4 and the nozzle hole 12 is an acute angle.
The ridgeline 12a of the flat surface having the is contacted. Continuing,
With the nozzle hole 12 facing rearward, the supply pipe 11 is moved from the starting point to the corner parts 15 1 , 1 as shown in FIG.
Move to the turning point via 5 2 , 15 3 and 15 4 ,
By spraying the sealant, the sealant was applied to the entire inner circumference of the rising portion 13. Continuing on, as shown in FIG. 6, the moving direction of the supply pipe 11 is reversed, and the posture of the supply pipe 11 is changed so that the nozzle hole 12 faces rearward. To the end point through the corners 15 4 , 15 3 , 15 2 , 15 1 from the turning point, and the sealant applied to the inner surface by the first application is smoothed by the ridge line 12a of the flat surface, and then the seal is applied. By spraying the agent, the rising portion 13
The sealant was applied again to the entire circumference of the inner surface of. As a result, the sealant could be uniformly applied to the entire inner surface of the rising portion 13.
【００２７】また、前述した図６において、前記供給管
１１を始点からコーナ部１５1 ，１５2 ，１５3 ，１５
4 を経て折り返し点まで移動させる際に、前記供給管１
１を前記ノズル孔１２が前方を向いている姿勢にして前
方にシール剤を吹き付け、吹き付けられたシール剤を前
記平坦面の稜線１２ａでならすことにより前記立上り部
１３の内面全周にシール剤を塗布した。ひきつづき、前
記供給管１１の移動方向を逆にし、前記供給管１１の姿
勢を前記ノズル孔１２が前方を向くように変えて前記供
給管１１を前記折り返し点からコーナ部１５4 ，１５
3 ，１５2 ，１５1 を経て終点まで移動させ、前方にシ
ール剤を吹き付け、吹き付けられたシール剤を前記平坦
面の稜線１２ａでならすことにより前記立上り部１３の
内面全周に再度シール剤を塗布した。その結果、前記立
上り部１３の内面全周にシール剤を均一に塗布すること
ができた。Further, in FIG. 6 described above, the corners 15 1 , 15 2 , 15 3 , 15 from the starting point of the supply pipe 11 are set.
When moving to the turning point via 4 , the supply pipe 1
1 with the nozzle hole 12 facing forward, spraying the sealant forward, and smoothing the sprayed sealant along the ridgeline 12a of the flat surface, the sealant is applied to the entire inner surface of the rising portion 13. Applied. Continuing on, the direction of movement of the supply pipe 11 is reversed, and the posture of the supply pipe 11 is changed so that the nozzle hole 12 faces forward, so that the supply pipe 11 is turned from the turning point to the corners 15 4 and 15.
After moving through 3 , 15 2 and 15 1 to the end point, the sealant is sprayed forward, and the sprayed sealant is leveled along the ridgeline 12a of the flat surface to re-seal the sealant on the entire inner surface of the rising portion 13. Applied. As a result, the sealant could be uniformly applied to the entire inner surface of the rising portion 13.
【００２８】[0028]
【発明の効果】以上詳述したように本発明の角形電池の
製造方法によれば、塗布むら発生率が低減されたシール
剤塗布工程を備え、角形電池の気密性を向上することが
でき、前記電池の信頼性を向上することができるという
顕著な効果を奏する。As described above in detail, according to the method for manufacturing a prismatic battery of the present invention, a sealing agent coating step with a reduced coating unevenness rate is provided, and the airtightness of the prismatic battery can be improved. There is a remarkable effect that the reliability of the battery can be improved.
【図１】本発明の実施例において用いられるシール剤塗
布装置を示す斜視図。FIG. 1 is a perspective view showing a sealant applying device used in an embodiment of the present invention.
【図２】図１の要部拡大斜視図。FIG. 2 is an enlarged perspective view of a main part of FIG.
【図３】図２の要部拡大断面図。FIG. 3 is an enlarged cross-sectional view of a main part of FIG.
【図４】本発明の実施例におけるシール剤供給管の軌跡
を示す特性図。FIG. 4 is a characteristic diagram showing a locus of a sealant supply pipe in an example of the present invention.
【図５】本発明の実施例２〜４におけるシール剤塗布方
法を説明するための上面図。FIG. 5 is a top view for explaining a sealing agent application method in Examples 2 to 4 of the present invention.
【図６】本発明の別のシール剤塗布方法を説明するため
の上面図。FIG. 6 is a top view for explaining another sealing agent application method of the present invention.
【図７】シール剤供給管のノズル孔が立上り部内面に当
接された状態を示す断面図。FIG. 7 is a cross-sectional view showing a state in which the nozzle hole of the sealant supply pipe is in contact with the inner surface of the rising portion.
【図８】従来の製造方法におけるシール剤供給管の軌跡
を示す特性図。FIG. 8 is a characteristic diagram showing a trajectory of a sealant supply pipe in a conventional manufacturing method.
【図９】従来の製造方法によりシール剤が塗布された長
辺部に沿う立上り部内面を示す平面図。FIG. 9 is a plan view showing an inner surface of a rising portion along a long side portion coated with a sealant by a conventional manufacturing method.
１…プレート、５…ホルダー支持板、６…シール剤供給
管ホルダー、１１…シール剤供給管。1 ... Plate, 5 ... Holder support plate, 6 ... Sealing agent supply pipe holder, 11 ... Sealing agent supply pipe.
Claims (3)
れた矩形状の立上り部を有する有底角筒形の容器と、前
記容器内に収納され、正極と負極との間にセパレータを
介装して作製された電極群と、前記容器内に収容される
電解液と、前記容器の前記開口部に取付けられる封口板
と、前記封口板と前記開口部の内面との間に介装される
絶縁ガスケットとを備えた角形電池の製造方法におい
て、先端部の側面を平坦化し、かつその面にノズル孔が
開口されたシール剤供給管を用い、前記立上り部の内面
に前記供給管の前記ノズル孔を有する平坦面を当接さ
せ、その内周面に沿って移動させながら前記ノズル孔か
らシール剤を噴射して前記立上り部内面全周に塗布した
後、前記供給管の移動方向を逆にして前記立上り部内面
全周に再度シール剤を塗布する工程を具備したことを特
徴とする角形電池の製造方法。1. A bottomed rectangular tube-shaped container having a rectangular rising portion formed by expanding the upper opening, and a separator interposed between the positive electrode and the negative electrode, the container being housed in the container. Mounted electrode group, an electrolytic solution contained in the container, a sealing plate attached to the opening of the container, and interposed between the sealing plate and the inner surface of the opening. In a method for manufacturing a prismatic battery having an insulating gasket, a side surface of a tip portion is flattened, and a sealant supply pipe having a nozzle hole opened in the surface is used, and the inner surface of the rising portion is provided with the seal pipe. A flat surface having a nozzle hole is brought into contact, and while moving along the inner peripheral surface thereof, a sealing agent is sprayed from the nozzle hole to apply the sealing agent to the entire inner surface of the rising portion, and then the moving direction of the supply pipe is reversed. Then, apply the sealant again on the entire inner surface of the rising part. A method for manufacturing a prismatic battery, comprising the step of applying.
れた矩形状の立上り部を有する有底角筒形の容器と、前
記容器内に収納され、正極と負極との間にセパレータを
介装して作製された電極群と、前記容器内に収容される
電解液と、前記容器の前記開口部に取付けられる封口板
と、前記封口板と前記開口部の内面との間に介装される
絶縁ガスケットとを備えた角形電池の製造方法におい
て、先端部の側面を平坦化し、かつその面にノズル孔が
開口されたシール剤供給管を用い、前記立上り部の内面
と前記供給管の前記ノズル孔を有する平坦面とのなす角
が鋭角になるように前記内面に前記平坦面の稜線を当接
させ、前記供給管を前記平坦面が前方を向く姿勢で前記
立上り部の内周面に沿って移動させながら前記ノズル孔
からシール剤を噴射して前記立上り部の内面全周にシー
ル剤を塗布した後、前記供給管の移動方向を逆にして前
記立上り部の内面全周にシール剤を再度塗布することを
特徴とする角形電池の製造方法。2. A bottomed rectangular cylindrical container having a rectangular rising portion formed by expanding the upper opening, and a separator interposed between the positive electrode and the negative electrode housed in the container. Mounted electrode group, an electrolytic solution contained in the container, a sealing plate attached to the opening of the container, and interposed between the sealing plate and the inner surface of the opening. In a method for manufacturing a prismatic battery including an insulating gasket, a side surface of a tip portion is flattened, and a sealant supply pipe having nozzle holes opened in the surface is used, and the inner surface of the rising portion and the supply pipe are The ridgeline of the flat surface is brought into contact with the inner surface so that the angle with the flat surface having the nozzle hole is an acute angle, and the supply pipe is attached to the inner peripheral surface of the rising portion with the flat surface facing forward. Spraying the sealant from the nozzle hole while moving along After applying the sealant to the entire inner surface of the rising portion, the direction of movement of the supply pipe is reversed and the sealant is applied to the entire inner surface of the rising portion again. .
れた矩形状の立上り部を有する有底角筒形の容器と、前
記容器内に収納され、正極と負極との間にセパレータを
介装して作製された電極群と、前記容器内に収容される
電解液と、前記容器の前記開口部に取付けられる封口板
と、前記封口板と前記開口部の内面との間に介装される
絶縁ガスケットとを備えた角形電池の製造方法におい
て、先端部の側面を平坦化し、かつその面にノズル孔が
開口されたシール剤供給管を用い、前記立上り部の内面
と前記供給管の前記ノズル孔を有する平坦面とのなす角
が鋭角になるように前記内面に前記平坦面の稜線を当接
させ、前記供給管を前記立上り部の内周面に沿って移動
させながら前記ノズル孔からシール剤を噴射して前記立
上り部の内面全周にシール剤を塗布した後、前記供給管
を前記平坦面が前記塗布工程と反対方向に向く姿勢にし
て逆方向に移動させ、前記立上り部の内面全周にシール
剤を再度塗布することを特徴とする角形電池の製造方
法。3. A bottomed rectangular cylindrical container having a rectangular rising portion formed by expanding the upper opening, and a separator interposed between the positive electrode and the negative electrode, the container being housed in the container. Mounted electrode group, an electrolytic solution contained in the container, a sealing plate attached to the opening of the container, and interposed between the sealing plate and the inner surface of the opening. In a method for manufacturing a prismatic battery including an insulating gasket, a side surface of a tip portion is flattened, and a sealant supply pipe having nozzle holes opened in the surface is used, and the inner surface of the rising portion and the supply pipe are The ridgeline of the flat surface is brought into contact with the inner surface so that the angle with the flat surface having the nozzle hole is an acute angle, and the supply pipe is moved from the nozzle hole while moving along the inner peripheral surface of the rising portion. A sealant is injected to seal the entire inner surface of the rising part. After applying the coating agent, the supply pipe is moved in the opposite direction with the flat surface facing the opposite direction to the applying step, and the sealing agent is applied again to the entire inner circumference of the rising portion. And a method for manufacturing a prismatic battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6277703A JP3064833B2 (en) | 1994-11-11 | 1994-11-11 | Method for manufacturing prismatic battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6277703A JP3064833B2 (en) | 1994-11-11 | 1994-11-11 | Method for manufacturing prismatic battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08138637A true JPH08138637A (en) | 1996-05-31 |
| JP3064833B2 JP3064833B2 (en) | 2000-07-12 |
Family
ID=17587143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6277703A Expired - Fee Related JP3064833B2 (en) | 1994-11-11 | 1994-11-11 | Method for manufacturing prismatic battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3064833B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2367943A (en) * | 2000-10-13 | 2002-04-17 | Cable Network Supplies Ltd | Battery container |
-
1994
- 1994-11-11 JP JP6277703A patent/JP3064833B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2367943A (en) * | 2000-10-13 | 2002-04-17 | Cable Network Supplies Ltd | Battery container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3064833B2 (en) | 2000-07-12 |
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