JP5468632B2 - Sheet body supply method and sheet body supply apparatus - Google Patents

Sheet body supply method and sheet body supply apparatus Download PDF

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JP5468632B2
JP5468632B2 JP2012034677A JP2012034677A JP5468632B2 JP 5468632 B2 JP5468632 B2 JP 5468632B2 JP 2012034677 A JP2012034677 A JP 2012034677A JP 2012034677 A JP2012034677 A JP 2012034677A JP 5468632 B2 JP5468632 B2 JP 5468632B2
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憲彦 坂井田
浩道 水野
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CKD Corp
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Description

本発明は、積層電池に使用されるシート体の供給方法及び供給装置に関するものである。   The present invention relates to a method and apparatus for supplying a sheet used for a laminated battery.

積層構造型の電池の製造過程においては、シート状をなす正極箔及び負極箔が、同じくシート状をなすセパレータを介して交互に積層される。正極箔及び負極箔は、それぞれ所定の金属製の極箔本体に活物質が塗布されることで構成されている。また、セパレータは、例えば電気絶縁性の多孔質樹脂フィルムにより構成されている。   In the manufacturing process of the laminated structure type battery, the sheet-like positive electrode foil and the negative electrode foil are alternately laminated via the sheet-like separator. Each of the positive electrode foil and the negative electrode foil is configured by applying an active material to a predetermined metal electrode foil main body. The separator is made of, for example, an electrically insulating porous resin film.

積層電池を製造するにあたっては、これら正極箔及び負極箔並びにセパレータが予めそれぞれ個別のパレット上に蓄積されている。そして、各パレット上の正極箔及び負極箔並びにセパレータが、順次吸着パッド等により吸着され、交互に所定の積層ポジションに積み上げられていく。   When manufacturing a laminated battery, these positive electrode foil, negative electrode foil, and separator are each beforehand accumulate | stored on the separate pallet. Then, the positive foil, the negative foil, and the separator on each pallet are sequentially adsorbed by an adsorption pad or the like, and are alternately stacked at a predetermined stacking position.

積層電池を構成する材料のうち、例えばセパレータは、元々はロール状に捲回されている。つまり、ロール状に捲回された帯状シートが引出され、引き出された帯状シートの先端部分が切断されて所定長のセパレータ（＝「シート体」）とされ、そのシート体がパレット上に順次供給されて蓄積される。従来、上記供給の手法として、帯状シートの先端部を吸着して引き出し、所定長に切断し、パレット上に蓄積するという技術が知られている（例えば、特許文献１等参照）。   Of the materials constituting the laminated battery, for example, the separator is originally wound in a roll shape. That is, a belt-like sheet wound in a roll shape is drawn out, the leading end of the drawn belt-like sheet is cut into a predetermined length separator (= “sheet body”), and the sheet body is sequentially supplied onto the pallet. Is accumulated. 2. Description of the Related Art Conventionally, as the above-described supply method, a technique is known in which a leading end portion of a belt-like sheet is sucked and pulled, cut into a predetermined length, and accumulated on a pallet (for example, see Patent Document 1).

当該特許文献１に記載の技術では、帯状シートの上側に位置する「第１の搬送部材」及び「第２の搬送部材」と、帯状シートの下側に位置する「引出部材」とを用いることとしている。   In the technique described in Patent Document 1, the “first conveying member” and the “second conveying member” located on the upper side of the belt-like sheet and the “drawer member” located on the lower side of the belt-like sheet are used. It is said.

そして、ロール状の帯状シートをその上面に負圧で吸着した「引出部材」をスライドさせて帯状シート先端部を引き出し［工程（１）］、
「第１の搬送部材」を下降させて、「引出部材」との間で帯状シートを挟持して［工程（２）］、
帯状シートからシート体を切断し［工程（３）］、
「引出部材」との間で挟持する帯状シートの先端部をその下面に負圧で吸着して「第１の搬送部材」を上昇、待機させ［工程（４）］、
切断されたシート体をその上面に吸着した「引出部材」を、「第１の搬送部材」から離反して配置された「第２の搬送部材」の直下までスライドさせ［工程（５）］、
「第２の搬送部材」を下降させて「引出部材」上のシート体を負圧による吸着のもとで「第２の搬送部材」に移し［工程（６）］、
「第２の搬送部材」が昇降、スライドしてシート体をパレットに搬送する間に、「引出部材」を「第１の搬送部材」の下方にスライドさせるとともに［工程（７）、（８）］、
「第１の搬送部材」を下降させて、「引出部材」の上面に帯状シート先端部を負圧で吸着させて帯状シートを「第１の搬送部材」から「引出部材」に移し［工程（９）、（１０）］、
「第２の搬送部材」を工程（５）の位置まで戻し、「引出部材」をスライドさせて帯状シート先端部を引き出す［工程（１１）＝工程（１）］という一連の工程が繰り返し実行される。 Then, the “drawer member” that adsorbs the roll-like belt-like sheet to the upper surface thereof with negative pressure is slid to pull out the belt-like sheet tip [step (1)]
Lower the “first conveying member” and sandwich the belt-like sheet with the “drawing member” [step (2)],
Cutting the sheet body from the belt-like sheet [step (3)],
The leading end of the belt-like sheet sandwiched between the “drawing member” is adsorbed to the lower surface of the belt-like sheet by negative pressure, and the “first conveying member” is raised and waited [step (4)],
Slide the “drawer member” adsorbed on the upper surface of the cut sheet body to a position immediately below the “second transport member” disposed away from the “first transport member” [step (5)],
The “second conveying member” is lowered and the sheet body on the “drawing member” is moved to the “second conveying member” under suction by negative pressure [step (6)],
While the “second conveying member” moves up and down and slides to convey the sheet body to the pallet, the “drawer member” is slid below the “first conveying member” [steps (7), (8) ],
The “first conveying member” is lowered, and the leading end of the belt-like sheet is adsorbed to the upper surface of the “drawing member” by negative pressure, and the belt-like sheet is transferred from the “first conveying member” to the “drawing member” [step ( 9), (10)],
A series of steps of [step (11) = step (1)] is repeatedly executed by returning the “second conveying member” to the position of step (5) and sliding the “drawer member” to pull out the leading end of the belt-like sheet. The

特許第４７２６２１５号公報Japanese Patent No. 4726215

ところが、上記特許文献１の技術では、帯状シートを引出したり、或いはシート体を移動させるための部材として、少なくとも３つの部材を必要としており、装置の煩雑化を招いてしまうおそれがある。また、「引出部材」に関し、当該「引出部材」をスライドさせる動作［工程（１）］と、カット後、さらに「第２の搬送部材」の直下までスライドさせる動作［工程（５）］の２度の前進動作を必要としている。つまり、「第２の搬送部材」がシート体を吸着するまでに、「引出部材」を２度前進動作させる必要があり、その分だけ、供給スピードの面でロスを招いていた。   However, the technique of Patent Document 1 requires at least three members as members for pulling out the belt-like sheet or moving the sheet body, which may lead to complication of the apparatus. In addition, regarding the “drawer member”, the operation [step (1)] of sliding the “drawer member” and the operation of sliding further to the position immediately below the “second transport member” [step (5)] are performed. Need to move forward. In other words, the “drawing member” needs to be moved forward twice by the time the “second conveying member” adsorbs the sheet member, which causes a loss in terms of supply speed.

本発明は、上記事情等に鑑みてなされたものであり、装置の複雑化を抑制でき、シート体の供給スピード向上に貢献できるシート体の供給方法及び供給装置を提供することを主たる目的の一つとしている。   SUMMARY An advantage of some aspects of the invention is that it provides a sheet body supply method and a supply apparatus that can suppress the complexity of the apparatus and contribute to an improvement in sheet sheet supply speed. I am trying.

以下、上記目的を解決するのに適した各手段につき、項分けして説明する。なお、必要に応じて対応する手段に特有の作用効果を付記する。   In the following, each means suitable for solving the above-described object will be described in terms of items. In addition, the effect specific to the means to respond | corresponds as needed is added.

手段１．ロール状に捲回された帯状シートを所定長に切断してシート体とし、当該シート体を所定の供給位置に搬送し供給するためのシート体の供給方法であって、
前記捲回された帯状シートの原反よりも下流側の所定位置に固設された固定吸着部材から受け渡された前記帯状シートの下面を、引出部材にて吸着した状態で、前記引出部材を、前記固定吸着手段よりも下流側の受渡位置に移動させることで、前記帯状シートを引出す工程と、
前記受渡位置に引き出された前記帯状シートを、前記受渡位置にある搬送部材と前記引出部材とで挟持する工程と、
前記帯状シートを、前記搬送部材と前記引出部材とで挟持した状態で、前記受渡位置よりも上流側にてカッタで切断することで、シート体とするとともに、前記切断に際しては前記固定吸着部材にて前記帯状シートの上面を吸着する工程と、
前記搬送部材にて前記シート体の上面を吸着した状態で、前記搬送部材を前記所定の供給位置まで移動させ、当該所定の供給位置に前記シート体を供給するとともに、前記引出部材を、前記シート体及び前記搬送部材から離間させ、前記固定吸着手段の下方に移動させる工程と、
前記シート体の離間した前記搬送部材を前記受渡位置に戻すとともに、前記引出部材にて前記帯状シートの下面を吸着することで前記固定吸着部材から前記引出部材へ前記帯状シートを受け渡す工程と
を有することを特徴とするシート体の供給方法。 Means 1. A sheet body supply method for cutting a belt-shaped sheet wound into a roll into a predetermined length to form a sheet body, and transporting and supplying the sheet body to a predetermined supply position,
In a state where the lower surface of the belt-like sheet delivered from a fixed suction member fixed at a predetermined position downstream of the wound belt-like sheet is adsorbed by the drawer member, the drawer member is A step of pulling out the belt-like sheet by moving to a delivery position downstream of the fixed suction means;
Clamping the belt-like sheet pulled out to the delivery position between the conveying member and the withdrawal member at the delivery position;
The belt-like sheet is cut by a cutter on the upstream side of the delivery position in a state where the belt-like sheet is sandwiched between the conveying member and the drawing member, and a sheet body is formed. Adsorbing the upper surface of the belt-like sheet,
While the upper surface of the sheet body is adsorbed by the transport member, the transport member is moved to the predetermined supply position, the sheet body is supplied to the predetermined supply position, and the drawing member is Separating the body and the transport member and moving the fixed suction means downward;
A step of returning the conveying member separated from the sheet body to the delivery position, and delivering the belt-like sheet from the fixed suction member to the drawer member by sucking a lower surface of the belt-like sheet by the drawing member; A sheet body supply method comprising:

手段１によれば、捲回された帯状シートの原反よりも下流側の所定位置に固設された固定吸着部材から受け渡された前記帯状シートの下面が引出部材にて吸着された状態で、引出部材が、固定吸着手段よりも下流側の受渡位置に移動させられる。これにより、帯状シートが引出される。次に、受渡位置に引き出された帯状シートが、受渡位置にある搬送部材と引出部材とで挟持される。そして、その挟持状態で、帯状シートが受渡位置よりも上流側にてカッタで切断されることで、シート体とされる。また、切断に際しては固定吸着部材にて帯状シートの上面が吸着される。続いて、搬送部材にてシート体の上面が吸着された状態で、搬送部材が所定の供給位置まで移動させられ、当該所定の供給位置にシート体が供給される。それとともに、引出部材は、シート体及び搬送部材から離間させられ、固定吸着手段の下方に移動させられる。その後、シート体の離間した搬送部材が受渡位置に戻されるとともに、引出部材にて帯状シートの下面が吸着することで固定吸着部材から引出部材へ帯状シートが受け渡される。これら一連の工程が繰り返されることで、所定長のシート体が所定の供給位置に積み上げられる。したがって、手段１によれば、シート体を移動させるための部材として、「引出部材」と「搬送部材」の２つの部材を用いればよく、結果として、装置全体の複雑化を抑制することができる。また、「引出部材」に関して、カッタによる切断の後、さらなる前進動作を必要としなくて済む。つまり、『第２の搬送部材』がシート体を吸着するまでに、『引出部材』を２度前進動作させる必要があった従来技術に比べ、高効率でシート体を供給することができ、結果として、シート体の供給スピード向上に貢献することができる。   According to the means 1, the lower surface of the belt-like sheet delivered from the fixed suction member fixed at a predetermined position downstream of the rolled belt-like sheet is sucked by the drawing member. The drawer member is moved to the delivery position on the downstream side of the fixed suction means. Thereby, the belt-like sheet is pulled out. Next, the belt-like sheet pulled out to the delivery position is sandwiched between the conveying member and the withdrawal member at the delivery position. Then, in the sandwiched state, the belt-like sheet is cut with a cutter on the upstream side of the delivery position, so that a sheet body is obtained. When cutting, the upper surface of the belt-like sheet is adsorbed by the fixed adsorbing member. Subsequently, in a state where the upper surface of the sheet body is adsorbed by the transport member, the transport member is moved to a predetermined supply position, and the sheet body is supplied to the predetermined supply position. At the same time, the drawing member is moved away from the sheet member and the conveying member, and is moved below the fixed suction means. Thereafter, the conveying member separated from the sheet body is returned to the delivery position, and the lower surface of the belt-like sheet is sucked by the drawing member, so that the belt-like sheet is delivered from the fixed suction member to the drawing member. By repeating these series of steps, sheet bodies having a predetermined length are stacked at a predetermined supply position. Therefore, according to the means 1, as the member for moving the sheet body, two members of “drawer member” and “conveyance member” may be used, and as a result, complication of the entire apparatus can be suppressed. . Further, regarding the “drawer member”, it is not necessary to further move forward after the cutting by the cutter. That is, the sheet body can be supplied with higher efficiency than the conventional technique in which the “drawing member” has to be moved forward twice before the “second conveying member” adsorbs the sheet body. As a result, it is possible to contribute to improving the supply speed of the sheet body.

手段２．前記切断に際しては、前記引出部材による吸着を解除し、前記搬送部材による吸着を開始することを特徴とする手段１に記載のシート体の供給方法。   Mean 2. 2. The sheet supply method according to claim 1, wherein at the time of cutting, the suction by the drawing member is released and the suction by the conveying member is started.

手段２によれば、切断に際し、引出部材による吸着が解除され、搬送部材による吸着が開始される。このため、その後の搬送部材によるシート体の移動をより円滑に行うことができる。   According to the means 2, at the time of cutting, the suction by the drawing member is released, and the suction by the conveying member is started. For this reason, the subsequent movement of the sheet member by the conveying member can be performed more smoothly.

尚、引出部材による吸着の解除、搬送部材による吸着の開始は、必ずしも同時でなくてもよい。また、「切断に際しては」とあるのは、切断と同時である場合は勿論、搬送部材と引出部材と帯状シート（シート体）を挟持している期間を含んでいてもよい。   Note that the release of the suction by the drawing member and the start of the suction by the transport member do not necessarily have to be simultaneous. In addition, “when cutting” may include a period in which the conveying member, the drawing member, and the belt-like sheet (sheet body) are sandwiched, as well as when cutting.

手段３．前記固定吸着部材から前記引出部材へ前記帯状シートを受け渡す工程に際しては、前記固定吸着部材と前記引出部材とで前記帯状シートを挟持し、当該挟持中に、前記固定吸着部材による吸着を解除し、前記引出部材による吸着を開始することを特徴とする手段１又は２に記載のシート体の供給方法。   Means 3. In the step of transferring the belt-like sheet from the fixed suction member to the drawer member, the belt-like sheet is sandwiched between the fixed suction member and the drawer member, and the suction by the fixed suction member is released during the sandwiching. The sheet supply method according to claim 1 or 2, wherein suction by the drawing member is started.

手段３によれば、帯状シートの受け渡しに際し、固定吸着部材と引出部材とで帯状シートが挟持される。そして、当該挟持中に、固定吸着部材による吸着が解除され、引出部材による吸着が開始される。従って、その後の引出部材による帯状シートの引出をより円滑に行うことができる。   According to the means 3, when the belt-like sheet is delivered, the belt-like sheet is sandwiched between the fixed suction member and the drawing member. Then, during the clamping, the suction by the fixed suction member is released and the suction by the drawing member is started. Accordingly, the strip sheet can be pulled out more smoothly by the subsequent drawing member.

また、次の手段４，５のように、シート体の供給装置に具現化することもできる。   Further, as in the following means 4 and 5, it can be embodied in a sheet supply apparatus.

手段４．前記固定吸着手段、引出部材、カッタ、及び、搬送部材を具備し、手段１乃至３のいずれかに記載のシート体の供給方法に用いられるシート体の供給装置。   Means 4. A sheet body supply apparatus used in the sheet body supply method according to any one of means 1 to 3, comprising the fixed suction means, a drawing member, a cutter, and a conveying member.

手段５．ロール状に捲回された帯状シートを所定長に切断してシート体とし、当該シート体を所定の供給位置に搬送し供給するためのシート体の供給装置において、
前記捲回された帯状シートの原反よりも下流側の所定位置に固設され、前記帯状シートの上面を吸着可能な固定吸着部材と、
前記固定吸着部材の固設位置よりも下流側の受渡位置、及び、前記供給位置間を移動可能に設けられ、前記帯状シート及び切断後のシート体の上面を吸着可能な搬送部材と、
前記固定吸着部材の下方位置、及び、前記受渡位置間を移動可能に設けられ、前記帯状シートの下面を吸着可能な引出部材と、
前記固定吸着部材の固設位置、及び、前記受渡位置間に設けられ、前記搬送部材及び引出部材間で前記帯状シートが挟持されている状態で、前記帯状シートをシート体に切断可能なカッタと
を具備することを特徴とするシート体の供給装置。 Means 5. In a sheet body supply apparatus for cutting a belt-shaped sheet wound into a roll into a predetermined length to form a sheet body, and transporting and supplying the sheet body to a predetermined supply position,
A fixed adsorbing member fixed at a predetermined position downstream of the wound belt-shaped sheet original and capable of adsorbing the upper surface of the belt-shaped sheet;
A delivery member downstream of a fixed position of the fixed suction member, and a transport member provided so as to be movable between the supply positions, and capable of sucking the upper surface of the belt-like sheet and the cut sheet body;
A lower position of the fixed adsorbing member, and a drawing member provided so as to be movable between the delivery positions and capable of adsorbing the lower surface of the belt-like sheet;
A cutter that is provided between the fixed position of the fixed suction member and the delivery position, and is capable of cutting the belt-like sheet into a sheet body in a state where the belt-like sheet is sandwiched between the conveying member and the drawing member; An apparatus for supplying a sheet body, comprising:

手段４，５によれば、上記手段1等による作用効果が、シート体の供給装置として実現することができる。   According to the means 4 and 5, the effect by the said means 1 etc. is realizable as a sheet | seat supply apparatus.

一実施形態におけるシート体の供給装置を示す概略構成図である。It is a schematic block diagram which shows the supply apparatus of the sheet | seat body in one Embodiment. 積層体の概念を示す斜視図である。It is a perspective view which shows the concept of a laminated body. （ａ）〜（ｃ）はシート体の供給手順を示す概略説明図である。(A)-(c) is a schematic explanatory drawing which shows the supply procedure of a sheet | seat body. （ａ）〜（ｅ）はシート体の供給手順を示す概略説明図である。(A)-(e) is a schematic explanatory drawing which shows the supply procedure of a sheet | seat body.

以下、一実施形態について、図面を参照しつつ説明する。   Hereinafter, an embodiment will be described with reference to the drawings.

図２に示すように、積層電池を構成する積層体４は、下から順に負極箔１、セパレータ２、及び、正極箔３、セパレータ２がこの順序で繰り返し積み上げられるようにして積層されている（勿論、正極箔３が最下層に位置し、その上にセパレータ２、負極箔１、セパレータ２、正極箔３、・・・の順で積層されていてもよいし、セパレータ２が最下層に位置していてもよい）。負極箔１及び正極箔３は、金属箔よりなる極箔本体の表裏両面に活物質が塗布形成されることにより構成され、その一側縁部が活物質の塗布されていない未塗工部１Ａ，３Ａとなっている。尚、負極箔１の極箔本体は、銅により構成され、正極箔３の極箔本体は、アルミニウムにより構成されている。また、以降において、特に正・負を区別する必要のないときには、負極箔１、正極箔３を総称して「電極箔」と称することもある。   As shown in FIG. 2, the laminated body 4 which comprises a laminated battery is laminated | stacked so that the negative electrode foil 1, the separator 2, the positive electrode foil 3, and the separator 2 may be repeatedly piled up in this order from the bottom ( Of course, the positive electrode foil 3 may be located in the lowermost layer, and the separator 2, the negative electrode foil 1, the separator 2, the positive electrode foil 3,. You may). The negative electrode foil 1 and the positive electrode foil 3 are configured by applying and forming an active material on both front and back surfaces of an electrode foil main body made of a metal foil, and one side edge portion of the uncoated portion 1A where the active material is not applied. , 3A. In addition, the electrode foil main body of the negative electrode foil 1 is comprised with copper, and the electrode foil main body of the positive electrode foil 3 is comprised with aluminum. Further, hereinafter, when it is not necessary to distinguish between positive and negative, the negative electrode foil 1 and the positive electrode foil 3 may be collectively referred to as “electrode foil”.

セパレータ２は、電気絶縁性のシート状の多孔質樹脂フィルムにより構成されており、前記負極箔１、正極箔３の平面矩形状の塗工部よりも一回り大きい矩形状をなしている。適正な積層状態においては、正極箔３及び負極箔１の塗工部は、前記セパレータ２によって完全に覆われており（はみ出しておらず）、正極箔３及び負極箔１の各突出部、すなわち、未塗工部１Ａ，３Ａのみが、それぞれ異なる位置においてセパレータ２からはみ出すようにして突出している。当該各未塗工部１Ａ，３Ａは、負極タブ、正極タブに相当するものであり、積層電池の内部で電極端子の負極および正極にそれぞれ電気的に接続される領域である。   The separator 2 is composed of an electrically insulating sheet-like porous resin film, and has a rectangular shape that is slightly larger than the planar rectangular coated portions of the negative electrode foil 1 and the positive electrode foil 3. In an appropriate layered state, the coated portions of the positive foil 3 and the negative foil 1 are completely covered (not protruding) by the separator 2, and the protruding portions of the positive foil 3 and the negative foil 1, that is, Only the uncoated portions 1A and 3A protrude from the separator 2 at different positions. Each of the uncoated portions 1A and 3A corresponds to a negative electrode tab and a positive electrode tab, and is a region electrically connected to the negative electrode and the positive electrode of the electrode terminal inside the laminated battery.

上記積層体４を得るためには、セパレータ供給ステージ、電極箔供給ステージ、積層ステージ、及び、吸着移動手段を具備する積層装置（いずれも図示せず）が用いられる。セパレータ供給ステージ上、電極箔供給ステージ上には、積層の都度、図示しない供給手段によって、予め別途の位置にそれぞれ蓄積されている上記セパレータ２や電極箔が例えば１枚ずつ案内されるようになっている。そして、セパレータ供給ステージ上に案内されたセパレータ２や、電極箔供給ステージ上に案内された負極箔１（正極箔３）が、交互に１枚ずつ吸着されて積層ステージ上に供給され順次積層されるのである。これらの構成については公知である故、ここでのこれ以上の説明は省略する。   In order to obtain the laminated body 4, a separator supply stage, an electrode foil supply stage, a lamination stage, and a laminating apparatus (all not shown) including suction moving means are used. On the separator supply stage and the electrode foil supply stage, the separator 2 and the electrode foil respectively stored in separate positions in advance are guided, for example, one by one by a supply means (not shown) at every lamination. ing. Then, the separator 2 guided on the separator supply stage and the negative foil 1 (positive foil 3) guided on the electrode foil supply stage are alternately adsorbed one by one and supplied onto the lamination stage and sequentially laminated. It is. Since these configurations are well known, further explanation is omitted here.

さて、上述のとおり、上記積層に先立って、電極箔やセパレータ２は、それぞれ予め蓄積されている。次には、シート体としてセパレータ２に着目し、当該セパレータ２を蓄積しておくための供給装置について説明する。   As described above, the electrode foil and the separator 2 are accumulated in advance before the lamination. Next, focusing on the separator 2 as a sheet body, a supply device for storing the separator 2 will be described.

図１は、シート体としてのセパレータ２を所定のパレット５０上に供給し蓄積するための供給装置１０を示す概略構成図である。同図に示すように、セパレータ２の原料となる帯状シートＢＳが、最上流側においてロール状に捲回された状態で支持されている。供給装置１０は、帯状シートＢＳを所定の搬送経路に沿って通過させたり、帯状シートＢＳに所定の張力を付与したりするべく複数のローラＲ１，Ｒ２を具備するとともに、固定吸着手段１１、引出部材１２、カッタ１３、及び、搬送部材１４を具備している。尚、パレット５０は、目標とする供給位置ＳＰに載置されているものとする。   FIG. 1 is a schematic configuration diagram showing a supply device 10 for supplying and accumulating a separator 2 as a sheet body on a predetermined pallet 50. As shown in the figure, a belt-like sheet BS as a raw material for the separator 2 is supported in a state of being wound in a roll shape on the most upstream side. The supply device 10 includes a plurality of rollers R1 and R2 for passing the belt-like sheet BS along a predetermined conveyance path and applying a predetermined tension to the belt-like sheet BS, and also includes a fixed suction unit 11 and a drawer. A member 12, a cutter 13, and a conveying member 14 are provided. It is assumed that the pallet 50 is placed at the target supply position SP.

固定吸着手段１１は、帯状シートＢＳの搬送経路の比較的上流側に固定状態で設置されており、多孔質体からなる吸着部１１ａを介して帯状シートＢＳの上面を吸着可能となっている。   The fixed adsorbing means 11 is installed in a fixed state on the relatively upstream side of the conveying path of the belt-like sheet BS, and can adsorb the upper surface of the belt-like sheet BS via an adsorption portion 11a made of a porous body.

引出部材１２は、上下方向及び水平方向に移動可能に設けられており、前記固定吸着部材１１の下方位置と、前記固定吸着部材１１の固設位置よりも下流側の受渡位置ＰＰとの間を往復移動可能となっている。引出部材１２は、その上面において、帯状シートＢＳの下面を吸着可能な吸着部１２ａを備えている。   The drawing member 12 is provided so as to be movable in the vertical direction and the horizontal direction, and between the lower position of the fixed suction member 11 and the delivery position PP on the downstream side of the fixed position of the fixed suction member 11. It can move back and forth. The drawing member 12 includes an adsorption portion 12a that can adsorb the lower surface of the belt-like sheet BS on the upper surface thereof.

搬送部材１４は、上下方向及び水平方向に移動可能に設けられており、前記受渡位置ＰＰと、前記供給位置ＳＰとの間を往復移動可能となっている。搬送部材１４は、その下面において、帯状シートＢＳ及び切断後のセパレータ２の上面を吸着可能な吸着部１４ａを備えている。   The conveying member 14 is provided so as to be movable in the vertical direction and the horizontal direction, and is capable of reciprocating between the delivery position PP and the supply position SP. The conveying member 14 includes an adsorption portion 14a that can adsorb the belt-like sheet BS and the upper surface of the cut separator 2 on its lower surface.

また、固定吸着部材１１の固設位置と、前記受渡位置ＰＰとの間には、帯状シートＢＳを切断し、所定長のセパレータ２とするためのカッタ１３が設けられている。   A cutter 13 is provided between the fixed position of the fixed suction member 11 and the delivery position PP to cut the belt-like sheet BS into a separator 2 having a predetermined length.

尚、図示は省略するが、各部材１１，１２，１４には、各吸着部１１ａ，１２ａ，１４ａに連通するようにして吸引経路が形成されているとともに、各吸引通路に連通するようにして、吸気管及びバキュームポンプが接続されている。また吸気管の途中にはバルブが設けられており、各吸着部１１ａ，１２ａ，１４ａにおける吸着状態及び吸着解除状態を切替可能となっている。また、上述した引出部材１２、搬送部材１４、カッタ１３は、図示しないアクチュエータによって移動させられる。そして、各アクチュエータをはじめ、上記バキュームポンプやバルブは、図示しない制御装置によって制御されるようになっている。   In addition, although illustration is abbreviate | omitted, the suction path is formed in each member 11,12,14 so that it may connect with each adsorption | suction part 11a, 12a, 14a, and it is connected so that it may connect with each suction path. The intake pipe and the vacuum pump are connected. Further, a valve is provided in the middle of the intake pipe so that the adsorption state and the adsorption release state in each of the adsorption portions 11a, 12a, and 14a can be switched. Further, the above-described drawing member 12, transport member 14, and cutter 13 are moved by an actuator (not shown). The vacuum pumps and valves including each actuator are controlled by a control device (not shown).

さて、供給装置１０の概略構成は上記のとおりであるが、以下には、当該供給装置１０を用いて、シート体Ｓを所定の供給位置ＳＰ（パレット５０）上に供給する際の手順について説明する。   Now, the schematic configuration of the supply device 10 is as described above. Hereinafter, a procedure for supplying the sheet S onto a predetermined supply position SP (pallet 50) using the supply device 10 will be described. To do.

まず、図３（ａ）に示すように、固定吸着部材１１から受け渡された帯状シートＢＳの先端部分の下面を、引出部材１２の吸着部１２ａにて吸着した状態で、当該引出部材１２を、固定吸着手段１１よりも下流側の受渡位置ＰＰに移動させることで、帯状シートＢＳを引出す。   First, as shown in FIG. 3 (a), in the state where the lower surface of the leading end portion of the belt-like sheet BS delivered from the fixed adsorption member 11 is adsorbed by the adsorption portion 12a of the extraction member 12, the extraction member 12 is moved. The belt-like sheet BS is pulled out by being moved to the delivery position PP downstream of the fixed suction means 11.

次に、図３（ｂ）に示すように、引出部材１２を上動させることで、受渡位置ＰＰに引き出された帯状シートＢＳの先端部分を、受渡位置ＰＰにある搬送部材１４と引出部材１２とで挟持する。   Next, as shown in FIG. 3B, the leading end portion of the belt-like sheet BS drawn to the delivery position PP is moved by moving the drawing member 12 upward, so that the conveying member 14 and the drawing member 12 at the delivery position PP are used. And pinch with.

そして、図３（ｃ）に示すように、帯状シートＢＳを搬送部材１４と引出部材１２とで挟持した状態で、前記受渡位置ＰＰよりも上流側の所定箇所をカッタ１３で切断することで、シート体としてのセパレータ２を得る。但し、切断及び切断以降に際しては、前記固定吸着部材１１にて帯状シートＢＳの上面を吸着する。当該吸着により、帯状シートＢＳの先端部分の脱落が抑制される。尚、本実施形態においては、前記切断に際し、引出部材１２の吸着部１２ａによる吸着を解除し、搬送部材１４の吸着部１４ａによる吸着を開始しておく。   And as shown in FIG.3 (c), in the state which pinched | interposed the strip | belt-shaped sheet | seat BS with the conveyance member 14 and the drawing-out member 12, the predetermined location of the upstream from the said delivery position PP is cut | disconnected with the cutter 13, The separator 2 as a sheet body is obtained. However, the upper surface of the belt-like sheet BS is adsorbed by the fixed adsorbing member 11 after cutting and after the cutting. Owing to the adsorption, dropping of the leading end portion of the belt-like sheet BS is suppressed. In the present embodiment, at the time of the cutting, the suction by the suction portion 12a of the drawing member 12 is released, and the suction by the suction portion 14a of the transport member 14 is started.

次に、図４（ａ），（ｂ），（ｃ），（ｄ）に示すように、搬送部材１４の吸着部１４ａにてセパレータ２の上面を吸着した状態で、搬送部材１４を前記供給位置ＳＰまで移動させ、当該供給位置ＳＰのパレット５０上にセパレータ２を供給する。供給に際しては、搬送部材１４がパレット５０上の所定高さに達した時点で吸着部１４ａにおける吸着を解除する。   Next, as shown in FIGS. 4A, 4 </ b> B, 4 </ b> C, and 4 </ b> D, the transport member 14 is supplied with the upper surface of the separator 2 being sucked by the suction portion 14 a of the transport member 14. The separator 2 is supplied to the pallet 50 at the supply position SP. At the time of supply, the suction at the suction portion 14a is released when the conveying member 14 reaches a predetermined height on the pallet 50.

また、これとともに、図４（ａ），（ｂ），（ｃ）に示すように、前記引出部材１２を、セパレータ２及び搬送部材１４から離間させ、固定吸着手段１１の下方に移動させる。   At the same time, as shown in FIGS. 4A, 4 </ b> B, and 4 </ b> C, the drawing member 12 is moved away from the separator 2 and the conveying member 14 and moved below the fixed suction unit 11.

そして、図４（ｄ），（ｅ）に示すように、セパレータ２の離間した搬送部材１４を前記受渡位置ＰＰに戻すとともに、引出部材１２にて帯状シートＢＳの先端部分の下面を吸着することで固定吸着部材１１の吸着部１１ａから引出部材１２の吸着部１２ａへと帯状シートＢＳを受け渡す。尚、本実施形態では、帯状シートＢＳの受け渡しに際し、固定吸着部材１１と引出部材１２とで帯状シートＢＳが挟持されている最中に、固定吸着部材１１の吸着部１２ａによる吸着が解除され、引出部材１２の吸着部１２ａによる吸着が開始される。このように、上記手順を繰り返すことで、パレット５０上に所定長のセパレータ２が蓄積されてゆく。   Then, as shown in FIGS. 4D and 4E, the transport member 14 separated from the separator 2 is returned to the delivery position PP, and the lower surface of the leading end portion of the belt-like sheet BS is sucked by the drawing member 12. Then, the belt-like sheet BS is delivered from the suction portion 11a of the fixed suction member 11 to the suction portion 12a of the drawing member 12. In the present embodiment, when the belt-like sheet BS is delivered, while the belt-like sheet BS is sandwiched between the fixed suction member 11 and the drawing member 12, the suction by the suction portion 12a of the fixed suction member 11 is released. Suction by the suction portion 12a of the drawing member 12 is started. Thus, by repeating the above procedure, the separator 2 having a predetermined length is accumulated on the pallet 50.

以上詳述したように、本実施形態によれば、セパレータ２（帯状シートＢＳ）を移動させるための部材として、引出部材１２と搬送部材１４の２つの部材を用いればよい。したがって、従来３つの移動部材を必要としていた従来技術に比べ、装置全体の複雑化を抑制することができる。また、引出部材１２に関して、カッタ１３による切断の後、さらなる前進動作を必要としなくて済む。つまり、『第２の搬送部材』がシート体を吸着するまでに、『引出部材』を２度前進動作させる必要があった従来技術に比べ、高効率でセパレータ２を供給することができ、結果として、セパレータ２の供給スピード向上に貢献することができる。   As described in detail above, according to the present embodiment, two members, that is, the drawing member 12 and the conveying member 14 may be used as members for moving the separator 2 (band-like sheet BS). Therefore, compared with the prior art which conventionally required three moving members, the complication of the whole apparatus can be suppressed. Further, after the cutting by the cutter 13, the drawing member 12 need not be further advanced. That is, the separator 2 can be supplied with higher efficiency than the conventional technique in which the “drawer member” needs to be moved forward twice by the time the “second conveying member” adsorbs the sheet body. As a result, the supply speed of the separator 2 can be improved.

また、本実施形態によれば、各吸着部１１ａ，１２ａ，１４ａの吸着、吸着解除を適宜うまく行うことで、セパレータ２（帯状シートＢＳ）の受け渡しを円滑に行うことができる。   Further, according to the present embodiment, the separator 2 (band-like sheet BS) can be smoothly delivered by appropriately performing the suction and suction release of the suction portions 11a, 12a, and 14a as appropriate.

尚、上述した実施形態の記載内容に限定されることなく、例えば次のように実施してもよい。   In addition, you may implement as follows, for example, without being limited to the description content of embodiment mentioned above.

（ａ）上記実施形態では、シート体として、セパレータ２を例示することとしているが、負極箔１や正極箔３をシート体として具現化することとしてもよい。   (A) In the said embodiment, although the separator 2 is illustrated as a sheet body, it is good also as materializing the negative electrode foil 1 and the positive electrode foil 3 as a sheet body.

（ｂ）また、積層ステージへの負極箔１、正極箔３、セパレータ２の供給方法は、必ずしも上記実施形態の手法に限定されるものではない。例えば、正極箔３及び負極箔１、並びに、セパレータ２にそれぞれ対応させて、複数の搬送装置を用意し、各搬送装置を用いて、所定の積層位置（積層ステージ１３）に正極箔３及び負極箔１、並びに、セパレータ２を交互に積層することとしてもよい。   (B) Moreover, the supply method of the negative electrode foil 1, the positive electrode foil 3, and the separator 2 to a lamination | stacking stage is not necessarily limited to the method of the said embodiment. For example, a plurality of transfer devices are prepared corresponding to the positive electrode foil 3, the negative electrode foil 1, and the separator 2, and the positive electrode foil 3 and the negative electrode are disposed at a predetermined stacking position (lamination stage 13) using each of the transfer devices. It is good also as laminating | stacking the foil 1 and the separator 2 alternately.

（ｃ）パレット５０にセパレータ２を供給するに際し、セパレータ２の移動を規制するべく、押さえ手段で押さえることとしてもよい。
(C) When supplying the separator 2 to the pallet 50, the separator 2 may be pressed by a pressing means so as to restrict the movement of the separator 2.

１…負極箔、２…シート体としてのセパレータ、３…正極箔、４…積層体、１０…供給装置、１１…固定吸着手段、１２…引出部材、１３…カッタ、１４…搬送部材。   DESCRIPTION OF SYMBOLS 1 ... Negative electrode foil, 2 ... Separator as a sheet | seat body, 3 ... Positive electrode foil, 4 ... Laminated body, 10 ... Supply apparatus, 11 ... Fixed adsorption means, 12 ... Extraction member, 13 ... Cutter, 14 ... Conveyance member.

Claims (5)

ロール状に捲回された帯状シートを所定長に切断してシート体とし、当該シート体を所定の供給位置に搬送し供給するためのシート体の供給方法であって、
前記捲回された帯状シートの原反よりも下流側の所定位置に固設された固定吸着部材から受け渡された前記帯状シートの下面を、引出部材にて吸着した状態で、前記引出部材を、前記固定吸着手段よりも下流側の受渡位置に移動させることで、前記帯状シートを引出す工程と、
前記受渡位置に引き出された前記帯状シートを、前記受渡位置にある搬送部材と前記引出部材とで挟持する工程と、
前記帯状シートを、前記搬送部材と前記引出部材とで挟持した状態で、前記受渡位置よりも上流側にてカッタで切断することで、シート体とするとともに、前記切断に際しては前記固定吸着部材にて前記帯状シートの上面を吸着する工程と、
前記搬送部材にて前記シート体の上面を吸着した状態で、前記搬送部材を前記所定の供給位置まで移動させ、当該所定の供給位置に前記シート体を供給するとともに、前記引出部材を、前記シート体及び前記搬送部材から離間させ、前記固定吸着手段の下方に移動させる工程と、
前記シート体の離間した前記搬送部材を前記受渡位置に戻すとともに、前記引出部材にて前記帯状シートの下面を吸着することで前記固定吸着部材から前記引出部材へ前記帯状シートを受け渡す工程と
を有することを特徴とするシート体の供給方法。 A sheet body supply method for cutting a belt-shaped sheet wound into a roll into a predetermined length to form a sheet body, and transporting and supplying the sheet body to a predetermined supply position,
In a state where the lower surface of the belt-like sheet delivered from a fixed suction member fixed at a predetermined position downstream of the wound belt-like sheet is adsorbed by the drawer member, the drawer member is A step of pulling out the belt-like sheet by moving to a delivery position downstream of the fixed suction means;
Clamping the belt-like sheet pulled out to the delivery position between the conveying member and the withdrawal member at the delivery position;
The belt-like sheet is cut by a cutter on the upstream side of the delivery position in a state where the belt-like sheet is sandwiched between the conveying member and the drawing member, and a sheet body is formed. Adsorbing the upper surface of the belt-like sheet,
While the upper surface of the sheet body is adsorbed by the transport member, the transport member is moved to the predetermined supply position, the sheet body is supplied to the predetermined supply position, and the drawing member is Separating the body and the transport member and moving the fixed suction means downward;
A step of returning the conveying member separated from the sheet body to the delivery position, and delivering the belt-like sheet from the fixed suction member to the drawer member by sucking a lower surface of the belt-like sheet by the drawing member; A sheet body supply method comprising: 前記切断に際しては、前記引出部材による吸着を解除し、前記搬送部材による吸着を開始することを特徴とする請求項１に記載のシート体の供給方法。   2. The sheet supply method according to claim 1, wherein at the time of the cutting, the suction by the drawing member is released and the suction by the conveying member is started. 前記固定吸着部材から前記引出部材へ前記帯状シートを受け渡す工程に際しては、前記固定吸着部材と前記引出部材とで前記帯状シートを挟持し、当該挟持中に、前記固定吸着部材による吸着を解除し、前記引出部材による吸着を開始することを特徴とする請求項１又は２に記載のシート体の供給方法。   In the step of transferring the belt-like sheet from the fixed suction member to the drawer member, the belt-like sheet is sandwiched between the fixed suction member and the drawer member, and the suction by the fixed suction member is released during the sandwiching. 3. The sheet supply method according to claim 1, wherein the suction by the drawing member is started. 前記固定吸着手段、引出部材、カッタ、及び、搬送部材を具備し、請求項１乃至３のいずれかに記載のシート体の供給方法に用いられるシート体の供給装置。   The sheet body supply apparatus used in the sheet body supply method according to any one of claims 1 to 3, comprising the fixed suction means, a drawing member, a cutter, and a conveying member. ロール状に捲回された帯状シートを所定長に切断してシート体とし、当該シート体を所定の供給位置に搬送し供給するためのシート体の供給装置において、
前記捲回された帯状シートの原反よりも下流側の所定位置に固設され、前記帯状シートの上面を吸着可能な固定吸着部材と、
前記固定吸着部材の固設位置よりも下流側の受渡位置、及び、前記供給位置間を移動可能に設けられ、前記帯状シート及び切断後のシート体の上面を吸着可能な搬送部材と、
前記固定吸着部材の下方位置、及び、前記受渡位置間を移動可能に設けられ、前記帯状シートの下面を吸着可能な引出部材と、
前記固定吸着部材の固設位置、及び、前記受渡位置間に設けられ、前記搬送部材及び引出部材間で前記帯状シートが挟持されている状態で、前記帯状シートをシート体に切断可能なカッタと
を具備することを特徴とするシート体の供給装置。 In a sheet body supply apparatus for cutting a belt-shaped sheet wound into a roll into a predetermined length to form a sheet body, and transporting and supplying the sheet body to a predetermined supply position,
A fixed adsorbing member fixed at a predetermined position downstream of the wound belt-shaped sheet original and capable of adsorbing the upper surface of the belt-shaped sheet;
A delivery member downstream of a fixed position of the fixed suction member, and a transport member provided so as to be movable between the supply positions, and capable of sucking the upper surface of the belt-like sheet and the cut sheet body;
A lower position of the fixed adsorbing member, and a drawing member provided so as to be movable between the delivery positions and capable of adsorbing the lower surface of the belt-like sheet;
A cutter that is provided between the fixed position of the fixed suction member and the delivery position, and is capable of cutting the belt-like sheet into a sheet body in a state where the belt-like sheet is sandwiched between the conveying member and the drawing member; An apparatus for supplying a sheet body, comprising:
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