JP2003312935A - Exfoliating device - Google Patents
Exfoliating deviceInfo
- Publication number
- JP2003312935A JP2003312935A JP2002117891A JP2002117891A JP2003312935A JP 2003312935 A JP2003312935 A JP 2003312935A JP 2002117891 A JP2002117891 A JP 2002117891A JP 2002117891 A JP2002117891 A JP 2002117891A JP 2003312935 A JP2003312935 A JP 2003312935A
- Authority
- JP
- Japan
- Prior art keywords
- tension
- peeling
- porous support
- roller
- tension adjusting
- 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
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、少なくとも２つの
薄葉シートに剥離可能な多層紙を剥離するための剥離装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a peeling device for peeling a multi-layered paper which is peelable from at least two thin sheets.
【０００２】[0002]
【従来の技術】多孔性の支持円筒体である多孔性支持板
の周面に樹脂あるいは金属網体のメッシュスクリーンを
複数層巻装してなる回転自在な版胴と、熱可塑性樹脂フ
ィルム（厚み１〜３μｍ程度のものが一般的に用いられ
る）と和紙繊維あるいは合成繊維あるいは和紙繊維と合
成繊維とを混抄したもの等からなる多孔性支持体とを貼
り合わせたラミネート構造のマスタとを用い、マスタの
熱可塑性樹脂フィルム面をサーマルヘッド等により加熱
穿孔製版した後に版胴に巻装し、版胴内部に設けられた
インキ供給手段よりインキを供給しつつプレスローラ等
の押圧手段によって給紙手段より給送された用紙を版胴
外周面上の製版済みマスタに連続的に押圧することによ
り、版胴開孔部及びマスタ穿孔部よりインキを滲出させ
て用紙に転写することで印刷を行う感熱デジタル孔版印
刷装置が一般的に知られている。2. Description of the Related Art A rotatable plate cylinder formed by winding a plurality of layers of mesh screens of resin or metal mesh on a peripheral surface of a porous support plate which is a porous support cylinder, and a thermoplastic resin film (thickness). Of about 1 to 3 μm is generally used) and a master having a laminated structure in which a porous support made of Japanese paper fibers or synthetic fibers or a mixture of Japanese paper fibers and synthetic fibers is attached. The thermoplastic resin film surface of the master is heated and perforated by a thermal head or the like, and then wound around a plate cylinder, and while the ink is supplied from an ink supply unit provided inside the plate cylinder, a sheet feeding unit is provided by a pressing unit such as a press roller. By continuously pressing the paper fed from the plate-making master on the outer peripheral surface of the plate cylinder, the ink is exuded from the plate cylinder opening and the master perforation and transferred to the paper. Sensitive digital stencil printing apparatus is generally known that performs printing by the.
【０００３】この孔版印刷装置に用いられるマスタは、
版胴内部から供給されたインキを多孔性支持体及び製版
された穿孔部を介して用紙に転移させるため、多孔性支
持体のインキ透過性が良好でないとインキが偏って用紙
に転移され、濃度むらやかすれ等の不具合が発生してし
まう。そこで、最近ではインキ透過性の良好な繊維径の
細い多孔性支持体が用いられる傾向にあるが、繊維径が
細い多孔性支持体は高価でありコストアップしてしまう
という問題点がある。また、多孔性支持体のインキ透過
性を向上させる方法として、多孔性支持体の坪量を小さ
くすることが効果的であることが判明している。しか
し、通常の多孔性支持体は抄紙機により抄紙して生産し
ており、その坪量を小さくすることには限界があった。The master used in this stencil printer is
Since the ink supplied from the inside of the plate cylinder is transferred to the paper through the porous support and the perforations formed in the plate, if the ink permeability of the porous support is not good, the ink is unevenly transferred to the paper, and the density Problems such as unevenness and blurring occur. Therefore, recently, there is a tendency to use a porous support having a small fiber diameter, which has good ink permeability, but there is a problem that the porous support having a small fiber diameter is expensive and the cost is increased. Further, it has been found that reducing the basis weight of the porous support is effective as a method for improving the ink permeability of the porous support. However, a usual porous support is produced by making a paper with a paper machine, and there is a limit in reducing the basis weight.
【０００４】そこで、２層以上の層を有する複合多孔性
支持体を層間で剥離することにより坪量の小さな多孔性
支持体を得るマスタの製造方法が、本願出願人と同一出
願人による特願２０００−３９５８７０号において提案
されている。また、特開平６−１９０９８号公報及び特
開平１０−１０７５１号公報には、２層以上の複合フィ
ルムを２つの部材に剥離する剥離装置が開示されてい
る。Therefore, a method for producing a master, in which a composite porous support having two or more layers is peeled between the layers to obtain a porous support having a small basis weight, is proposed by the same applicant as the present applicant. Proposed in 2000-395870. Further, JP-A-6-19098 and JP-A-10-10751 disclose a peeling device for peeling a composite film having two or more layers into two members.
【０００５】[0005]
【発明が解決しようとする課題】従って、坪量が小さく
インキ透過性の良好な多孔性支持体を得るためには、特
開平６−１９０９８号公報及び特開平１０−１０７５１
号公報に開示された剥離装置を用いて特願２０００−３
９５８７０号に開示されたマスタの製造方法を行えばよ
いことになる。しかし、特願２０００−３９５８７０号
の明細書に開示されている坪量２０．０ｇ／ｍ２以下で
ある引張強度の弱い多孔性支持体を２層以上有する複合
多孔性支持体を用いた場合には、剥離時に各多孔性支持
体に掛かる張力によって各多孔性支持体が各層間の剥離
部で良好に剥離されないことがあり、その場合には一方
あるいは双方の多孔性支持体に破れが生じてしまうとい
う問題点がある。Therefore, in order to obtain a porous support having a small basis weight and good ink permeability, there are disclosed in JP-A-6-19098 and JP-A-10-10751.
Japanese Patent Application No. 2000-3 using the peeling device disclosed in Japanese Patent Publication
The master manufacturing method disclosed in Japanese Patent No. 95870 may be performed. However, in the case of using a composite porous support having two or more layers of porous support having a low tensile strength and having a basis weight of 20.0 g / m 2 or less as disclosed in the specification of Japanese Patent Application No. 2000-395870. May not be well peeled at the peeling portion between the layers due to the tension applied to each porous support at the time of peeling, in which case one or both of the porous support may be broken. There is a problem that it ends up.
【０００６】本発明は上記問題点を解決し、坪量が小さ
く引張強度の弱い多孔性支持体を２層以上有する複合多
孔性支持体を良好に剥離することが可能な剥離装置の提
供を目的とする。An object of the present invention is to solve the above problems and to provide a peeling device capable of favorably peeling a composite porous support having two or more layers of a porous support having a small basis weight and a low tensile strength. And
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明は、
２層以上の多孔性支持体を有しそれぞれの多孔性支持体
に剥離可能な複合多孔性支持体を搬送する第１搬送手段
と、搬送された前記複合多孔性支持体を剥離するローラ
対からなる剥離手段と、前記剥離手段により剥離された
各多孔性支持体をそれぞれ搬送する複数の第２搬送手段
とを有する剥離装置において、第１搬送手段と前記剥離
手段との間で前記複合多孔性支持体に掛かる張力を調整
する第１張力調整手段と、前記剥離手段と各第２搬送手
段との間で前記各多孔性支持体に掛かる張力を調整する
複数の第２張力調整手段と、第１張力調整手段及び各第
２張力調整手段により調整される張力をそれぞれ制御す
る制御手段とを有することを特徴とする。The invention according to claim 1 is
From a first transporting means having two or more layers of porous support and transporting the peelable composite porous support to each porous support, and a roller pair for peeling the transported composite porous support. In the peeling device, the peeling device has a peeling means and a plurality of second transporting means for transporting the respective porous supports peeled by the peeling means, and the composite porousness is provided between the first transporting means and the peeling means. A first tension adjusting means for adjusting the tension applied to the support, a plurality of second tension adjusting means for adjusting the tension applied to each of the porous supports between the peeling means and each of the second conveying means; The present invention is characterized by having a first tension adjusting means and a control means for controlling the tensions adjusted by the respective second tension adjusting means.
【０００８】請求項２記載の発明は、請求項１記載の剥
離装置において、さらに第１張力調整手段は前記複合多
孔性支持体に掛かる張力を検知する第１張力検知手段を
有し、各第２張力調整手段は前記多孔性支持体に掛かる
張力を検知する第２張力検知手段をそれぞれ有すること
を特徴とする。According to a second aspect of the present invention, in the peeling apparatus according to the first aspect, the first tension adjusting means further includes first tension detecting means for detecting the tension applied to the composite porous support, Each of the two tension adjusting means has a second tension detecting means for detecting the tension applied to the porous support.
【０００９】請求項３記載の発明は、請求項１または請
求項２記載の剥離装置において、さらに第１張力調整手
段は、前記複合多孔性支持体に伸びが発生せず、かつ前
記剥離手段により剥離される前記複合多孔性支持体の剥
離点が前記剥離手段のニップ部に位置すべく、前記複合
多孔性支持体に掛かる張力を調整することを特徴とす
る。According to a third aspect of the present invention, in the peeling apparatus according to the first or second aspect, the first tension adjusting means does not cause elongation in the composite porous support, and the peeling means is used. The tension applied to the composite porous support is adjusted so that the release point of the composite porous support to be released is located at the nip portion of the release means.
【００１０】請求項４記載の発明は、請求項３記載の剥
離装置において、さらに各第２張力調整手段は、前記各
多孔性支持体に伸びが発生せず、かつ前記剥離手段によ
り前記複合多孔性支持体が剥離されるときに各多孔性支
持体が破損しないように、前記各多孔性支持体に掛かる
張力を調整することを特徴とする。According to a fourth aspect of the present invention, in the peeling apparatus according to the third aspect, further, each second tension adjusting means does not cause elongation in each of the porous supports, and the peeling means causes the composite porous material to grow. The tension applied to each porous support is adjusted so that each porous support is not damaged when the porous support is peeled off.
【００１１】請求項５記載の発明は、請求項１ないし請
求項４のうちの何れか１つに記載の剥離装置において、
さらに第１張力調整手段及び各第２張力調整手段がそれ
ぞれ速度可変型モータを有し、前記制御手段が前記各速
度可変型モータの速度を変化させることを特徴とする。According to a fifth aspect of the present invention, in the peeling device according to any one of the first to fourth aspects,
Further, the first tension adjusting means and each second tension adjusting means each have a variable speed motor, and the control means changes the speed of each speed variable motor.
【００１２】請求項６記載の発明は、請求項１ないし請
求項４のうちの何れか１つに記載の剥離装置において、
さらに第１張力調整手段及び各第２張力調整手段が移動
自在な張力付与部材をそれぞれ有し、前記制御手段が前
記各張力付与部材をそれぞれ移動させることを特徴とす
る。According to a sixth aspect of the present invention, in the peeling device according to any one of the first to fourth aspects,
Further, the first tension adjusting means and the second tension adjusting means have movable tension applying members respectively, and the control means moves the tension applying members respectively.
【００１３】[0013]
【実施例】図１は、本発明の一実施例を採用した剥離装
置を示している。同図において剥離装置１は、駆動ロー
ラ２ａ及び従動ローラ２ｂを有する第１搬送手段として
のインフィードローラ対２、駆動ローラ３ａ及び従動ロ
ーラ３ｂを有する剥離手段としての剥離ローラ対３、駆
動ローラ４ａ及び従動ローラ４ｂを有する第２搬送手段
としてのアウトフィードローラ対４、駆動ローラ５ａ及
び従動ローラ５ｂを有する第２搬送手段としてのアウト
フィードローラ対５等を有している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a peeling apparatus adopting an embodiment of the present invention. In the figure, the peeling device 1 includes an infeed roller pair 2 as a first conveying means having a driving roller 2a and a driven roller 2b, a peeling roller pair 3 as a peeling means having a driving roller 3a and a driven roller 3b, and a driving roller 4a. And an outfeed roller pair 4 as a second conveying means having a driven roller 4b and an outfeed roller pair 5 as a second conveying means having a driving roller 5a and a driven roller 5b.
【００１４】金属ローラからなる駆動ローラ２ａは、そ
の支軸を図示しない本体側板間に回転自在に支持されて
おり、図示しない装置本体に取り付けられた速度可変型
モータ６によって回転駆動される。駆動ローラ２ａの上
方に配置された駆動ローラ２ａよりも小径のゴムローラ
からなる従動ローラ２ｂは、その支軸を図示しない本体
側板間に回転自在に支持されており、図示しない付勢手
段によってその周面が所定の圧接力で駆動ローラ２ａの
周面に圧接するように付勢されている。The drive roller 2a made of a metal roller has a support shaft rotatably supported between body side plates (not shown), and is rotationally driven by a variable speed motor 6 attached to the apparatus body (not shown). The driven roller 2b, which is disposed above the drive roller 2a and is made of a rubber roller having a diameter smaller than that of the drive roller 2a, has its support shaft rotatably supported between the body side plates (not shown), and its periphery is supported by a biasing means (not shown). The surface is urged so as to come into pressure contact with the peripheral surface of the drive roller 2a with a predetermined pressure contact force.
【００１５】インフィードローラ対２には、図示しない
貯容部から供給された複合多孔性支持体７が挟持され
る。複合多孔性支持体７は、抄紙機により多孔性支持体
７ａと多孔性支持体７ｂとを重ね合わせて抄紙されてお
り、各多孔性支持体７ａ，７ｂの坪量は共に２０．０ｇ
／ｍ２以下となるように設定されている。The infeed roller pair 2 holds a composite porous support 7 supplied from a storage section (not shown). The composite porous support body 7 is made by stacking the porous support body 7a and the porous support body 7b with a paper machine, and the basis weight of each of the porous support bodies 7a and 7b is 20.0 g.
/ M 2 or less.
【００１６】金属ローラからなる駆動ローラ３ａは、図
示しない装置本体に取り付けられた速度可変型モータ８
によって回転駆動される。駆動ローラ３ａの下方に配置
された駆動ローラ３ａと同径のゴムローラからなる従動
ローラ３ｂは、その支軸を図示しない本体側板間に回転
自在に支持されており、その周面と駆動ローラ３ａの周
面との間の距離が複合多孔性支持体７の厚みよりも若干
狭くなるように配置されている。上述したインフィード
ローラ対２、剥離ローラ対３、速度可変型モータ６，８
によって第１張力調整手段１４が構成されている。The drive roller 3a made of a metal roller is a variable speed motor 8 mounted on the main body of the apparatus (not shown).
It is driven to rotate by. A driven roller 3b, which is disposed below the drive roller 3a and is made of a rubber roller having the same diameter as that of the drive roller 3a, has a support shaft rotatably supported between main body side plates (not shown), and its peripheral surface and the drive roller 3a. The distance from the peripheral surface is arranged to be slightly smaller than the thickness of the composite porous support 7. Infeed roller pair 2, peeling roller pair 3, variable speed motors 6 and 8 described above.
The first tension adjusting means 14 is constituted by the above.
【００１７】金属ローラからなる駆動ローラ４ａは、そ
の支軸を図示しない本体側板間に回転自在に支持されて
おり、図示しない装置本体に取り付けられた速度可変型
モータ９によって回転駆動される。駆動ローラ４ａの上
方に配置された駆動ローラ４ａよりも小径のゴムローラ
からなる従動ローラ４ｂは、その支軸を図示しない本体
側板間に回転自在に支持されており、図示しない付勢手
段によってその周面が所定の圧接力で駆動ローラ４ａの
周面に圧接するように付勢されている。上述した剥離ロ
ーラ対３、アウトフィードローラ対４、速度可変型モー
タ８，９によって第２張力調整手段２１が構成されてい
る。The drive roller 4a made of a metal roller is rotatably supported by its supporting shaft between main body side plates (not shown), and is rotationally driven by a variable speed motor 9 attached to the main body (not shown). The driven roller 4b, which is disposed above the drive roller 4a and is made of a rubber roller having a diameter smaller than that of the drive roller 4a, has its support shaft rotatably supported between the body side plates (not shown), and its periphery is supported by a biasing means (not shown). The surface is urged so as to come into pressure contact with the peripheral surface of the drive roller 4a with a predetermined pressure contact force. The peeling roller pair 3, the outfeed roller pair 4, and the speed-variable motors 8 and 9 constitute the second tension adjusting means 21.
【００１８】金属ローラからなる駆動ローラ５ａは、そ
の支軸を図示しない本体側板間に回転自在に支持されて
おり、図示しない装置本体に取り付けられた速度可変型
モータ１０によって回転駆動される。駆動ローラ５ａの
上方に配置された駆動ローラ５ａよりも小径のゴムロー
ラからなる従動ローラ５ｂは、その支軸を図示しない本
体側板間に回転自在に支持されており、図示しない付勢
手段によってその周面が所定の圧接力で駆動ローラ５ａ
の周面に圧接するように付勢されている。上述した剥離
ローラ対３、アウトフィードローラ対５、速度可変型モ
ータ８，１０によって第２張力調整手段２２が構成され
ている。The drive roller 5a made of a metal roller is rotatably supported by a support shaft between main body side plates (not shown), and is rotationally driven by a variable speed motor 10 attached to the main body (not shown). The driven roller 5b, which is disposed above the drive roller 5a and is made of a rubber roller having a diameter smaller than that of the drive roller 5a, has its support shaft rotatably supported between the body side plates (not shown), and its periphery is supported by a biasing means (not shown). Drive roller 5a with a predetermined pressure contact surface
It is urged to press against the peripheral surface of. The peeling roller pair 3, the outfeed roller pair 5, and the speed variable motors 8 and 10 described above constitute the second tension adjusting means 22.
【００１９】インフィードローラ対２と剥離ローラ対３
との中間の位置には、第１張力検知手段としての張力検
知部材１１が配設されている。張力検知部材１１は図示
しない装置本体に配設されており、その上部には複合多
孔性支持体７に接触するローラ部材１１ａが、その下部
には複合多孔性支持体７の張力を検知する検知器１１ｂ
が設けられている。張力検知部材１１の複合多孔性支持
体搬送方向における前後には、複合多孔性支持体７に対
してローラ部材１１ａへの抱き角を９０度程度与えるた
めのフリーローラ１２，１３が配設されている。金属ロ
ーラからなる各フリーローラ１２，１３は、その支軸を
図示しない本体側板間に回転自在に支持されている。Infeed roller pair 2 and peeling roller pair 3
A tension detecting member 11 as a first tension detecting means is arranged at a position intermediate between and. The tension detecting member 11 is arranged in the main body of the device (not shown), and a roller member 11a that comes into contact with the composite porous support 7 is provided on the upper part thereof, and a roller member 11a that detects the tension of the composite porous support 7 is provided on the lower part thereof. Bowl 11b
Is provided. Before and after the tension detecting member 11 in the transport direction of the composite porous support body, free rollers 12 and 13 for providing the composite porous support body 7 with a holding angle of about 90 degrees to the roller member 11a are arranged. There is. The free rollers 12 and 13 made of metal rollers have their supporting shafts rotatably supported between body side plates (not shown).
【００２０】駆動ローラ３ａの上方及び従動ローラ３ｂ
の下方には、剥離後の各多孔性支持体７ａ，７ｂに対し
て駆動ローラ３ａ及び従動ローラ３ｂへの抱き角を１８
０度程度与えるためのフリーローラ１５，１６が配設さ
れている。金属ローラからなる各フリーローラ１５，１
６は、その支軸を図示しない本体側板間に回転自在に支
持されている。Above the driving roller 3a and the driven roller 3b
The angle of wrapping the driving roller 3a and the driven roller 3b with respect to each of the porous supports 7a and 7b after peeling is 18 below
Free rollers 15 and 16 for giving about 0 degrees are arranged. Free rollers 15 and 1 made of metal rollers
Reference numeral 6 has a support shaft rotatably supported between main body side plates (not shown).
【００２１】フリーローラ１５の多孔性支持体搬送方向
下流側には、第２張力検知手段としての張力検知部材１
７が配設されている。張力検知部材１７は図示しない装
置本体に配設されており、その上部には多孔性支持体７
ａに接触するローラ部材１７ａが、その下部には多孔性
支持体７ａの張力を検知する検知器１７ｂが設けられて
いる。張力検知部材１７の多孔性支持体搬送方向下流側
には、多孔性支持体７ａに対してローラ部材１７ａへの
抱き角を与えるためのフリーローラ１８が配設されてい
る。金属ローラからなるフリーローラ１８は、その支軸
を図示しない本体側板間に回転自在に支持されている。A tension detecting member 1 as a second tension detecting means is provided downstream of the free roller 15 in the conveying direction of the porous support.
7 are provided. The tension detecting member 17 is arranged in the main body of the device (not shown), and the porous support member 7 is provided above the tension detecting member 17.
The roller member 17a that contacts a is provided with a detector 17b below the roller member 17a that detects the tension of the porous support 7a. A free roller 18 is provided on the downstream side of the tension detection member 17 in the transport direction of the porous support body to give the porous support body 7a an included angle to the roller member 17a. The free roller 18, which is a metal roller, has its support shaft rotatably supported between main body side plates (not shown).
【００２２】フリーローラ１６の多孔性支持体搬送方向
下流側には、第２張力検知手段としての張力検知部材１
９が配設されている。張力検知部材１９は図示しない装
置本体に配設されており、その上部には多孔性支持体７
ｂに接触するローラ部材１９ａが、その下部には多孔性
支持体７ｂの張力を検知する検知器１９ｂが設けられて
いる。張力検知部材１９の多孔性支持体搬送方向下流側
には、多孔性支持体７ｂに対してローラ部材１９ａへの
抱き角を与えるためのフリーローラ２０が配設されてい
る。金属ローラからなるフリーローラ２０は、その支軸
を図示しない本体側板間に回転自在に支持されている。A tension detecting member 1 as a second tension detecting means is provided on the downstream side of the free roller 16 in the conveying direction of the porous support.
9 are provided. The tension detecting member 19 is arranged in the main body of the device (not shown), and the porous support member 7 is provided above the tension detecting member 19.
A roller member 19a contacting b is provided, and a detector 19b for detecting the tension of the porous support 7b is provided below the roller member 19a. A free roller 20 is provided on the downstream side of the tension detection member 19 in the transport direction of the porous support body to give the porous support body 7b an included angle to the roller member 19a. The free roller 20, which is a metal roller, has its support shaft rotatably supported between main body side plates (not shown).
【００２３】図７は、本実施例に用いられる制御手段の
ブロック図を示している。同図において制御手段２３
は、ＣＰＵ、ＲＯＭ、ＲＡＭ等を有する周知のマイクロ
コンピュータによって構成されており、図示しない剥離
装置本体の内部に設けられている。制御手段２３は、各
張力検知手段１１，１７，１９からの張力検知信号に基
づいて、各モータ６，８，９，１０の速度を制御する。
制御手段２３による各モータ６，８，９，１０の速度制
御は、複合多孔性支持体７に伸びが発生せず、かつ剥離
される各多孔性支持体７ａ，７ｂに伸び及び破れが生じ
ないように設定される。FIG. 7 shows a block diagram of the control means used in this embodiment. In the figure, control means 23
Is composed of a well-known microcomputer having a CPU, a ROM, a RAM, etc., and is provided inside a peeling apparatus main body (not shown). The control means 23 controls the speeds of the respective motors 6, 8, 9, 10 based on the tension detection signals from the respective tension detection means 11, 17, 19.
The speed control of the motors 6, 8, 9 and 10 by the control means 23 does not cause the composite porous support 7 to expand, and the separated porous supports 7a and 7b do not extend or break. Is set as follows.
【００２４】ここで、制御手段２３による各モータ６，
８，９，１０の制御について説明する。複合多孔性支持
体７に作用する張力は、図２に示すように、インフィー
ドローラ対２の回転周速度（インフィード線速）と剥離
ローラ対３の回転周速度（剥離部線速）との比によって
調整される。つまり、インフィードローラ対２の回転周
速度に比して剥離ローラ対３の回転周速度が大きければ
大きい程、複合多孔性支持体７には大きな張力が作用す
ることとなる。この張力の調整は、各速度可変型モータ
６，８の速度を変化させることにより行われる。Here, the respective motors 6, 6 by the control means 23
The control of 8, 9, and 10 will be described. The tension acting on the composite porous support 7 is, as shown in FIG. 2, the rotational peripheral velocity of the infeed roller pair 2 (infeed linear velocity) and the rotational peripheral velocity of the peeling roller pair 3 (peeling portion linear velocity). Adjusted by the ratio of. That is, the greater the rotational peripheral speed of the peeling roller pair 3 relative to the rotational peripheral speed of the infeed roller pair 2, the greater the tension applied to the composite porous support 7. This tension adjustment is performed by changing the speed of each speed variable motor 6, 8.
【００２５】同様に、剥離後の多孔性支持体７ａに作用
する張力は剥離ローラ対３の回転周速度とアウトフィー
ドローラ対４の回転周速度との比によって調整され、多
孔性支持体７ｂに作用する張力は剥離ローラ対３の回転
周速度とアウトフィードローラ対５の回転周速度との比
によって調整される。この張力の調整は、各速度可変型
モータ８，９，１０の速度を変化させることにより行わ
れる。Similarly, the tension acting on the porous support 7a after peeling is adjusted by the ratio of the rotation peripheral speed of the peeling roller pair 3 to the rotation peripheral speed of the outfeed roller pair 4, and the tension is applied to the porous support 7b. The applied tension is adjusted by the ratio of the peripheral speed of rotation of the peeling roller pair 3 and the peripheral speed of rotation of the outfeed roller pair 5. This tension adjustment is performed by changing the speed of each speed variable motor 8, 9, 10.
【００２６】図３において、符号Ｆ１は剥離時において
複合多孔性支持体７に作用する張力を、符号Ｆ２は多孔
性支持体７ａに作用する張力を、符号Ｆ３は多孔性支持
体７ｂに作用する張力をそれぞれ示している。ここで、
複合多孔性支持体７の剥離点Ａに作用する力は、図４
（ａ）に示すように張力に対して垂直方向のベクトルで
表される。つまり、図４（ｂ）に示すように各張力Ｆ
２，Ｆ３がそれぞれ相反する垂直方向に作用する場合に
最大の剥離力が得られることとなる。In FIG. 3, reference numeral F1 is a tension acting on the composite porous support 7 at the time of peeling, reference numeral F2 is a tension acting on the porous support 7a, and reference numeral F3 is acting on the porous support 7b. The tension is shown respectively. here,
The force acting on the separation point A of the composite porous support 7 is as shown in FIG.
It is represented by a vector in the direction perpendicular to the tension as shown in (a). That is, each tension F as shown in FIG.
The maximum peeling force is obtained when 2 and F3 act in mutually opposite vertical directions.
【００２７】しかし、本実施例に示すように、剥離装置
で一般的に用いられている剥離ローラ対３を用いて複合
多孔性支持体７の剥離を行う場合には、各張力Ｆ２，Ｆ
３がそれぞれ相反する垂直方向に作用する最も効率的な
剥離力を得ようとすると、図５に示すように剥離点Ａが
駆動ローラ３ａ及び従動ローラ３ｂの周面より離れてし
まう。このとき、複合多孔性支持体７を構成する各多孔
性支持体７ａ，７ｂの坪量がそれぞれ十分に大きく、そ
れぞれ十分な引張強度を有している場合には何の問題も
ないが、本実施例で示すように坪量が小さく引張強度が
弱い場合には、各多孔性支持体７ａ，７ｂがそれぞれ駆
動ローラ３ａ及び従動ローラ３ｂの周面から離隔し、剥
離点Ａが空中に位置する不安定な状態で剥離されるた
め、引張強度の弱い部分（各多孔性支持体７ａ，７ｂの
引張強度は平均値であり、引張強度のばらつきから各多
孔性支持体７ａ，７ｂには部分的に引張強度の弱い部分
が存在する）から紙層破れが発生するという不具合が生
じる。図６（ａ）、（ｂ）は、紙層破れの代表例を示し
ている。However, as shown in this embodiment, when the composite porous support 7 is peeled off by using the peeling roller pair 3 which is generally used in the peeling apparatus, each tension F2, F is applied.
When it is attempted to obtain the most efficient peeling force acting in the mutually opposite vertical directions, the peeling point A is separated from the peripheral surfaces of the driving roller 3a and the driven roller 3b as shown in FIG. At this time, there is no problem if the basis weights of the respective porous supports 7a and 7b constituting the composite porous support 7 are sufficiently large and have sufficient tensile strength, respectively. When the basis weight is small and the tensile strength is weak as shown in the examples, the porous supports 7a and 7b are separated from the peripheral surfaces of the driving roller 3a and the driven roller 3b, respectively, and the separation point A is located in the air. Since it is peeled off in an unstable state, it has a weak tensile strength (the tensile strength of each porous support 7a, 7b is an average value, and due to variations in tensile strength, each porous support 7a, 7b is partially Since there is a portion having a low tensile strength), the paper layer breaks. FIGS. 6A and 6B show a typical example of paper layer tear.
【００２８】また、張力Ｆ１を極端に大きくし、各張力
Ｆ２，Ｆ３をそれぞれ極端に大きくしていくと剥離点Ａ
は剥離ローラ対３のニップ部で安定するが、各多孔性支
持体７ａ，７ｂが伸びてしまったり引張強度の弱い部分
を起点に紙層破れが発生したりしてしまう。When the tension F1 is extremely increased and the tensions F2 and F3 are extremely increased, the peeling point A
Is stable in the nip portion of the peeling roller pair 3, but the porous supports 7a and 7b may be stretched or the paper layer may be broken from the weak tensile strength starting point.
【００２９】これらのことから、引張強度の弱い多孔性
支持体７ａ，７ｂを複合した複合多孔性支持体７を剥離
する場合には、剥離点Ａを剥離ローラ対３のニップ部付
近に位置させたまま、すなわち各多孔性支持体７ａ，７
ｂを駆動ローラ３ａ及び従動ローラ３ｂに確実に密着さ
せた状態で固定し、かつ複合多孔性支持体７に十分な剥
離力が加わるように各張力Ｆ１，Ｆ２，Ｆ３を制御する
必要がある。From these facts, when the composite porous support 7 in which the porous supports 7a and 7b having low tensile strength are combined is peeled off, the peeling point A is located near the nip portion of the peeling roller pair 3. As it is, that is, each porous support 7a, 7
It is necessary to fix b in a state where it is in close contact with the driving roller 3a and the driven roller 3b, and to control the tensions F1, F2 and F3 so that a sufficient peeling force is applied to the composite porous support 7.
【００３０】そこで、本実施例では張力Ｆ１を剥離点Ａ
が剥離ローラ対３のニップ部に極力近付くように調整し
て一定値とし、各張力Ｆ２，Ｆ３を調整したときに各多
孔性支持体７ａ，７ｂに発生する紙層破れの状況を調査
した。使用する複合多孔性支持体７としては、セルロー
ス繊維を主体とするセルロース繊維質薄葉紙からなる多
孔性支持体７ａと、バインダー繊維を含むポリエステル
系薄葉紙からなる多孔性支持体７ｂとを複合し、剥離境
界面の剥離強さが３Ｎ／ｍのものを用いた。各多孔性支
持体７ａ，７ｂの坪量及び厚さ並びに引張強度は表１の
とおりである。Therefore, in this embodiment, the tension F1 is set to the peeling point A.
Was adjusted so as to be as close as possible to the nip portion of the peeling roller pair 3 and set to a constant value, and the situation of paper layer breakage that occurred on each porous support 7a, 7b when each tension F2, F3 was adjusted was investigated. As the composite porous support 7 to be used, a porous support 7a made of cellulose fiber thin paper mainly composed of cellulose fibers and a porous support 7b made of polyester thin paper containing binder fibers are combined and peeled off. A boundary surface with a peel strength of 3 N / m was used. Table 1 shows the basis weight, thickness, and tensile strength of each porous support 7a, 7b.
【００３１】[0031]
【表１】 [Table 1]
【００３２】また、剥離ローラ対３としては、駆動ロー
ラ３ａ及び従動ローラ３ｂ共に直径１５０ｍｍのものを
使用し、各ローラ間の間隔を４０μｍに設定した。以
下、表２に実験の結果を示す。As the peeling roller pair 3, both the driving roller 3a and the driven roller 3b having a diameter of 150 mm were used, and the interval between the rollers was set to 40 μm. The results of the experiment are shown in Table 2 below.
【００３３】[0033]
【表２】 [Table 2]
【００３４】各張力Ｆ２，Ｆ３が３０Ｎ／ｍ以下の場合
には、剥離点Ａが剥離ローラ対３のニップ部にあると、
複合多孔性支持体７の剥離強さに対して剥離点Ａに与え
られる剥離力が不足し、剥離点Ａが右側に移動して複合
多孔性支持体７が浮き上がる現象が現れる。剥離点Ａが
浮き上がると剥離不安定な状態となり、引張強度の弱い
部分が起点となって紙層破れが発生する。各張力Ｆ２，
Ｆ３が３０〜６０Ｎ／ｍの場合には、剥離点Ａは剥離ロ
ーラ対３のニップ部に位置し、安定した剥離状態が得ら
れ、紙層破れも発生しなかった。各張力Ｆ２，Ｆ３が６
０Ｎ／ｍ以上の場合には、各多孔性支持体７ａ，７ｂに
伸びが発生し、また、引張強度の弱い部分を起点とした
紙層破れが発生した。When the tensions F2 and F3 are 30 N / m or less, the peeling point A is in the nip portion of the peeling roller pair 3,
The peeling force applied to the peeling point A is insufficient with respect to the peeling strength of the composite porous support 7, the peeling point A moves to the right, and the composite porous support 7 floats up. When the peeling point A floats, the peeling becomes unstable, and the portion with weak tensile strength becomes the starting point, and the paper layer breaks. Each tension F2
When F3 was 30 to 60 N / m, the peeling point A was located at the nip portion of the peeling roller pair 3, a stable peeling state was obtained, and the paper layer was not broken. Each tension F2, F3 is 6
When it was 0 N / m or more, elongation occurred in each of the porous supports 7a and 7b, and the paper layer was broken from the weak tensile strength as a starting point.
【００３５】上記結果より、本実施例で示した複合多孔
性支持体７を安定して剥離するためには、張力Ｆ１を複
合多孔性支持体７が剥離ローラ対３のニップ部から浮き
上がらない値に保つと共に、各張力Ｆ２，Ｆ３を３０〜
６０Ｎ／ｍの範囲内となるように各モータ６，８，９，
１０の速度を制御手段２３によって制御すればよいこと
が判明した。From the above results, in order to stably peel the composite porous support 7 shown in this embodiment, the tension F1 is a value at which the composite porous support 7 does not float up from the nip portion of the peeling roller pair 3. And keep each tension F2 and F3 at 30 ~
Each motor 6, 8, 9, so that it is within the range of 60 N / m
It has been found that the speed of 10 can be controlled by the control means 23.
【００３６】これらのことから、坪量が小さくかつ引張
強度の弱い多孔性支持体を複合した複合多孔性支持体を
安定して剥離するためには、複合多孔性支持体及び剥離
後の各多孔性支持体に作用する張力をそれぞれ制御し、
剥離点を剥離ローラ対のニップ部に安定させて剥離する
ことが必要である。From the above, in order to stably release the composite porous support obtained by combining the porous support having a small basis weight and a low tensile strength, the composite porous support and the respective porous materials after the release are used. Control the tension acting on the flexible support,
It is necessary to stabilize the peeling point at the nip portion of the pair of peeling rollers and perform peeling.
【００３７】上記実施例では、第１張力調整手段１４及
び第２張力調整手段２１，２２としてそれぞれ速度可変
型モータ６，８，９，１０を用い、各モータ６，８，
９，１０の速度を制御することにより複合多孔性支持体
７及び各多孔性支持体７ａ，７ｂに作用する張力を調整
する構成としたが、速度可変型モータに代えて上下動自
在な張力付与部材としてのダンサーローラを用い、ダン
サーローラの位置を調整することによって複合多孔性支
持体７及び各多孔性支持体７ａ，７ｂに作用する張力を
調整する構成としてもよい。In the above embodiment, the variable speed motors 6, 8, 9 and 10 are used as the first tension adjusting means 14 and the second tension adjusting means 21 and 22, respectively.
The tension acting on the composite porous support 7 and each of the porous supports 7a and 7b is adjusted by controlling the speeds of 9 and 10. However, a vertically movable tension is applied instead of the variable speed motor. A dancer roller as a member may be used, and the tension acting on the composite porous support 7 and each porous support 7a, 7b may be adjusted by adjusting the position of the dancer roller.
【００３８】本実施例では、複合多孔性支持体の剥離条
件の１例を示したが、複合多孔性支持体を構成する各多
孔性支持体の坪量、引張強度、剥離強度が異なる場合に
は、安定して剥離することが可能な各張力Ｆ１，Ｆ２，
Ｆ３の条件も上記数値とは異なることとなる。In this example, one example of the peeling condition of the composite porous support was shown. However, when the basis weight, tensile strength and peel strength of each porous support constituting the composite porous support are different, Are the tensions F1, F2, which enable stable peeling.
The condition of F3 is also different from the above numerical value.
【００３９】[0039]
【発明の効果】本発明によれば、制御手段が第１張力調
整手段及び第２張力調整手段により調整される張力をそ
れぞれ制御することにより、複合多孔性支持体及び剥離
後の各多孔性支持体に作用する張力を最適値とすること
ができ、伸びや紙層破れの発生を防止して安定した剥離
を行うことができる。According to the present invention, the control means controls the tensions adjusted by the first tension adjusting means and the second tension adjusting means, respectively, so that the composite porous support and the respective porous supports after peeling are controlled. The tension acting on the body can be set to an optimum value, elongation and breakage of the paper layer can be prevented, and stable peeling can be performed.
【図１】本発明の一実施例を採用した剥離装置の概略正
面図である。FIG. 1 is a schematic front view of a peeling device that employs an embodiment of the present invention.
【図２】本発明の一実施例における複合多孔性支持体に
作用する張力を説明するための概略図である。FIG. 2 is a schematic view for explaining the tension acting on the composite porous support in one example of the present invention.
【図３】本発明の一実施例における複合多孔性支持体に
作用する張力及び剥離後の各多孔性支持体に作用する張
力を説明するための概略図である。FIG. 3 is a schematic diagram for explaining the tension acting on the composite porous support and the tension acting on each porous support after peeling in one example of the present invention.
【図４】本発明の一実施例における張力と剥離力との関
係を説明するための概略図である。FIG. 4 is a schematic diagram for explaining the relationship between tension and peeling force in one embodiment of the present invention.
【図５】本発明の一実施例における剥離手段から剥離点
が浮き上がった状態を示す概略図である。FIG. 5 is a schematic view showing a state where a peeling point is lifted up from the peeling means in one embodiment of the present invention.
【図６】本発明の一実施例における紙層破れの一例を説
明するための概略図である。FIG. 6 is a schematic diagram for explaining an example of paper layer tear in one embodiment of the present invention.
【図７】本発明の一実施例に用いられる制御手段のブロ
ック図である。FIG. 7 is a block diagram of control means used in an embodiment of the present invention.
１ 剥離装置 ２ 第１搬送手段（インフィードローラ対） ３ 剥離手段（剥離ローラ対） ４，５ 第２搬送手段（アウトフィードローラ対） ６，８，９，１０ 速度可変型モータ ７ 複合多孔性支持体 ７ａ，７ｂ 多孔性支持体 １１ 第１張力検知手段（張力検知部材） １４ 第１張力調整手段 １７，１９ 第２張力検知手段（張力検知部材） ２１，２２ 第２張力調整手段 ２３ 制御手段 Ａ 剥離点 Ｆ１，Ｆ２，Ｆ３ 張力 1 peeling device 2 First conveying means (pair of infeed rollers) 3 Peeling means (Peeling roller pair) 4,5 Second conveying means (pair of outfeed rollers) 6,8,9,10 variable speed motor 7 Composite porous support 7a, 7b Porous support 11 First tension detecting means (tension detecting member) 14 First tension adjusting means 17, 19 Second tension detecting means (tension detecting member) 21,22 Second tension adjusting means 23 Control means A peeling point F1, F2, F3 tension
Claims (6)
多孔性支持体に剥離可能な複合多孔性支持体を搬送する
第１搬送手段と、搬送された前記複合多孔性支持体を剥
離するローラ対からなる剥離手段と、前記剥離手段によ
り剥離された各多孔性支持体をそれぞれ搬送する複数の
第２搬送手段とを有する剥離装置において、 第１搬送手段と前記剥離手段との間で前記複合多孔性支
持体に掛かる張力を調整する第１張力調整手段と、前記
剥離手段と各第２搬送手段との間で前記各多孔性支持体
に掛かる張力を調整する複数の第２張力調整手段と、第
１張力調整手段及び各第２張力調整手段により調整され
る張力をそれぞれ制御する制御手段とを有することを特
徴とする剥離装置。1. A first conveying means for conveying a releasable composite porous support to each of the porous supports having two or more layers of the porous supports, and the transferred composite porous support. A peeling device comprising: a peeling means composed of a pair of rollers for peeling; and a plurality of second transporting means for transporting each of the porous supports peeled by the peeling means, wherein the first transporting means and the peeling means are provided. First tension adjusting means for adjusting the tension applied to the composite porous support, and a plurality of second tensions for adjusting the tension applied to each porous support between the peeling means and each second conveying means. A peeling apparatus comprising: an adjusting unit; and a control unit that controls the tensions adjusted by the first tension adjusting unit and the second tension adjusting units, respectively.
に掛かる張力を検知する第１張力検知手段を有し、各第
２張力調整手段は前記多孔性支持体に掛かる張力を検知
する第２張力検知手段をそれぞれ有することを特徴とす
る請求項１記載の剥離装置。2. A first tension adjusting means has a first tension detecting means for detecting a tension applied to the composite porous support, and each second tension adjusting means detects a tension applied to the porous support. The peeling device according to claim 1, further comprising second tension detecting means.
体に伸びが発生せず、かつ前記剥離手段により剥離され
る前記複合多孔性支持体の剥離点が前記剥離手段のニッ
プ部に位置すべく、前記複合多孔性支持体に掛かる張力
を調整することを特徴とする請求項１または請求項２記
載の剥離装置。3. The first tension adjusting means is such that elongation does not occur in the composite porous support and a peeling point of the composite porous support peeled by the peeling means is at a nip portion of the peeling means. The peeling device according to claim 1 or 2, wherein the tension applied to the composite porous support is adjusted so as to be positioned.
体に伸びが発生せず、かつ前記剥離手段により前記複合
多孔性支持体が剥離されるときに各多孔性支持体が破損
しないように、前記各多孔性支持体に掛かる張力を調整
することを特徴とする請求項３記載の剥離装置。4. Each of the second tension adjusting means does not cause elongation of each of the porous supports and damages each of the porous supports when the composite porous support is separated by the separating means. The peeling apparatus according to claim 3, wherein the tension applied to each of the porous supports is adjusted so as not to do so.
がそれぞれ速度可変型モータを有し、前記制御手段が前
記各速度可変型モータの速度を変化させることを特徴と
する請求項１ないし請求項４のうちの何れか１つに記載
の剥離装置。5. The first tension adjusting means and each second tension adjusting means each have a speed variable motor, and the control means changes the speed of each speed variable motor. The peeling device according to claim 4.
が移動自在な張力付与部材をそれぞれ有し、前記制御手
段が前記各張力付与部材をそれぞれ移動させることを特
徴とする請求項１ないし請求項４のうちの何れか１つに
記載の剥離装置。6. The first tension adjusting means and each second tension adjusting means each have a movable tension applying member, and the control means moves each tension applying member. The peeling device according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002117891A JP3994023B2 (en) | 2002-04-19 | 2002-04-19 | Peeling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002117891A JP3994023B2 (en) | 2002-04-19 | 2002-04-19 | Peeling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003312935A true JP2003312935A (en) | 2003-11-06 |
| JP3994023B2 JP3994023B2 (en) | 2007-10-17 |
Family
ID=29534952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002117891A Expired - Lifetime JP3994023B2 (en) | 2002-04-19 | 2002-04-19 | Peeling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3994023B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2010038697A1 (en) * | 2008-09-30 | 2012-03-01 | リンテック株式会社 | Film peeling method, optical film manufacturing method, film peeling mechanism and optical film manufacturing apparatus |
| KR101650713B1 (en) * | 2016-01-22 | 2016-08-24 | 코오롱패션머티리얼(주) | Separating device of hydrophobic and multi-porous type polyurethane membrane with softness and thin thickness |
| CN114162680A (en) * | 2021-12-14 | 2022-03-11 | 泉州市环球新材料科技有限公司 | Antibacterial composite membrane and separator with same |
| JP2023107405A (en) * | 2022-01-24 | 2023-08-03 | 本田技研工業株式会社 | Sheet conveyance apparatus |
-
2002
- 2002-04-19 JP JP2002117891A patent/JP3994023B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2010038697A1 (en) * | 2008-09-30 | 2012-03-01 | リンテック株式会社 | Film peeling method, optical film manufacturing method, film peeling mechanism and optical film manufacturing apparatus |
| JP5486503B2 (en) * | 2008-09-30 | 2014-05-07 | リンテック株式会社 | Film peeling method, optical film manufacturing method, film peeling mechanism and optical film manufacturing apparatus |
| TWI481507B (en) * | 2008-09-30 | 2015-04-21 | Lintec Corp | Method for peeling a film, manufacturing process for optical film, apparatus for peeling a film, and device for manufacturing an optical film |
| KR101650713B1 (en) * | 2016-01-22 | 2016-08-24 | 코오롱패션머티리얼(주) | Separating device of hydrophobic and multi-porous type polyurethane membrane with softness and thin thickness |
| CN114162680A (en) * | 2021-12-14 | 2022-03-11 | 泉州市环球新材料科技有限公司 | Antibacterial composite membrane and separator with same |
| JP2023107405A (en) * | 2022-01-24 | 2023-08-03 | 本田技研工業株式会社 | Sheet conveyance apparatus |
| JP7404410B2 (en) | 2022-01-24 | 2023-12-25 | 本田技研工業株式会社 | Sheet conveyance device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3994023B2 (en) | 2007-10-17 |
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