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JP2008159374A - Charging electrode device - Google Patents

Charging electrode device Download PDF

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Publication number
JP2008159374A
JP2008159374A JP2006346034A JP2006346034A JP2008159374A JP 2008159374 A JP2008159374 A JP 2008159374A JP 2006346034 A JP2006346034 A JP 2006346034A JP 2006346034 A JP2006346034 A JP 2006346034A JP 2008159374 A JP2008159374 A JP 2008159374A
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target electrode
roll
electrode
charging
target
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JP4402685B2 (en
Inventor
Katsuki Fukuda
勝喜 福田
Fumio Yamada
文男 山田
Kenji Horikiri
賢治 堀切
Giichi Sonoda
義一 園田
Takashi Uemura
隆 植村
Teruaki Hashida
輝明 橋田
Masahiro Sasaki
政浩 佐々木
Takaharu Irie
隆治 入江
Ikuo Ueno
郁雄 上野
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Asahi Kasei Corp
Kasuga Denki Inc
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Asahi Kasei Fibers Corp
Kasuga Denki Inc
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Abstract

【課題】不織布製造ライン等において、ターゲット電極の清掃のために頻繁に要していた製造中止時間を無くして、製造効率の低下を抑える。
【解決手段】ターゲット電極１を帯状として繰出ロール２から繰り出し、巻取ロール３にて巻き取る。ターゲット電極１を、その裏側から摺動可能に支持するターゲット電極支持板４に電磁石１４の磁力により密接させる。繰出ロール側に、その回転を制動するブレーキ用モータ７を備え、巻取ロール側に、その逆転を防止する逆転防止機構１５を備える。
【選択図】図１In a non-woven fabric production line or the like, the production stop time that is frequently required for cleaning a target electrode is eliminated, and a decrease in production efficiency is suppressed.
SOLUTION: A target electrode 1 is fed out from a feeding roll 2 as a band and wound up by a winding roll 3. The target electrode 1 is brought into close contact with the target electrode support plate 4 slidably supported from the back side by the magnetic force of the electromagnet 14. A brake motor 7 for braking the rotation is provided on the feed roll side, and a reverse rotation prevention mechanism 15 for preventing the reverse rotation is provided on the take-up roll side.
[Selection] Figure 1

Description

本発明は、細い無数の被帯電物を帯電させるのに好適な帯電電極装置に関する。   The present invention relates to a charging electrode device suitable for charging an infinite number of thin objects to be charged.

例えば、スパンボンド不織布の製造ラインでは、樹脂を牽引して繊維群とした後、繊維群を開繊・分散するが、その開繊・分散を促進するために、コロナ放電にて帯電させることが行われている。   For example, in a spunbond nonwoven fabric production line, a fiber group is pulled by pulling a resin, and then the fiber group is opened and dispersed. In order to promote the opening and dispersion, charging can be performed by corona discharge. Has been done.

特許文献１（特開平１１−１３１３５５号公報）には、その帯電のための帯電電極装置として図６に示すような構造のものが開示されている。   Patent Document 1 (Japanese Patent Laid-Open No. 11-131355) discloses a structure of a charging electrode device for the charging as shown in FIG.

この従来の帯電電極装置は、帯電用放電電極である針電極ユニット５１を箱形の絶縁ブロック５２内に組み込み、これと所定の間隔をおいて対向する矩形のターゲット電極板５３をターゲット電極ホルダ５４に保持し、これら絶縁ブロック５２とターゲット電極板５３とで形成される間隙５５に、矩形チャンネル５６を通ってきた繊維群を通過させることにより、繊維群をコロナ放電にて帯電させるものである。針電極ユニット５１は、エア供給室５７を有する針電極ホルダ５８に、多数の針電極５９を植設するとともに、そのそれぞれについてエアー吹き出しノズル６０を設けたもので、針電極５９は、そのそれぞれに対して設けられた絶縁ブロック５２の孔６１に突入しており、この孔６１からターゲット電極板５３へ向かってエアーを噴射しながら、コロナ放電を生じさせるようになっている。   In this conventional charging electrode device, a needle electrode unit 51 which is a charging discharge electrode is incorporated in a box-shaped insulating block 52, and a rectangular target electrode plate 53 which is opposed to the needle electrode unit 51 at a predetermined interval is provided as a target electrode holder 54. The fiber group is charged by corona discharge by passing the fiber group that has passed through the rectangular channel 56 through a gap 55 formed by the insulating block 52 and the target electrode plate 53. In the needle electrode unit 51, a large number of needle electrodes 59 are implanted in a needle electrode holder 58 having an air supply chamber 57, and an air blowing nozzle 60 is provided for each of them. A corona discharge is generated while air is injected from the hole 61 toward the target electrode plate 53 through the hole 61 of the insulating block 52 provided for the insulating block 52.

しかし、針電極ユニット５１側からターゲット電極板５３へ向かってエアーを噴射しているものの、ターゲット電極板５３の表面が汚れたり異物などが付着して、帯電による開繊・分散効果が低下することは避けられず、ターゲット電極板５３の表面を頻繁に清掃する必要があり、その間は不織布の製造工程の中止を余儀なくされ、製造効率の低下を招いていた。
特開平１１−１３１３５５号公報 However, although air is jetted from the needle electrode unit 51 toward the target electrode plate 53, the surface of the target electrode plate 53 becomes dirty or foreign matter adheres, and the effect of opening and dispersing due to charging is reduced. Inevitably, the surface of the target electrode plate 53 needs to be frequently cleaned. During this time, the manufacturing process of the nonwoven fabric was forced to stop, resulting in a decrease in manufacturing efficiency.
JP 11-131355 A

本発明の課題は、ターゲット電極の清掃のために頻繁に要していた製造中止時間を無くして、製造効率の低下を抑えることにある。   SUMMARY OF THE INVENTION An object of the present invention is to eliminate a manufacturing stop time frequently required for cleaning a target electrode and to suppress a decrease in manufacturing efficiency.

請求項１に係る本発明は、帯電用放電電極にターゲット電極の矩形面を対向させ、これら電極間を通過する被帯電物を帯電させる帯電電極装置において、ターゲット電極を帯状として繰出ロールから繰り出し、巻取ロールにて巻き取るようにしたことを特徴とする。   The present invention according to claim 1 is a charging electrode device in which a rectangular surface of a target electrode is opposed to a charging discharge electrode, and an object to be charged that passes between the electrodes is charged. It is characterized by being wound up by a winding roll.

請求項２に係る発明は、上記の構成に加え、繰出ロールと巻取ロールとの間でターゲット電極をその裏側から摺動可能に支持するターゲット電極支持板と、このターゲット電極支持板にターゲット電極を磁力で密接させる電磁石とを備えたことを特徴とする。   In addition to the above configuration, the invention according to claim 2 includes a target electrode support plate that slidably supports the target electrode from the back side between the feeding roll and the take-up roll, and the target electrode on the target electrode support plate And an electromagnet that closely contacts with a magnetic force.

請求項３に係る発明は、繰出ロール側に、その回転を制動するブレーキ用モータを備え、巻取ロール側に、その逆転を防止する逆転防止機構を備えたことを特徴とする。   The invention according to claim 3 is characterized in that a brake motor for braking the rotation is provided on the feeding roll side, and a reverse rotation prevention mechanism for preventing the reverse rotation is provided on the take-up roll side.

請求項４に係る発明は、金属製帯状薄板をもってターゲット電極としたものである。   According to a fourth aspect of the present invention, a metal strip-like thin plate is used as a target electrode.

本発明によれば、ターゲット電極を帯状として、これを繰出ロールから繰り出し、巻取ロールにて巻き取るので、帯状のターゲット電極を巻き取るだけで、ターゲット電極の新しい前面を帯電用放電電極と対向させて、ターゲット電極面を更新できるため、ターゲット電極の清掃のために頻繁に製造を中止しなければならないということが解消され、従来に比べて製造効率を大幅に改善できる。   According to the present invention, the target electrode is formed in a strip shape, and is fed out from the feeding roll and wound up by the winding roll. Therefore, the new front surface of the target electrode is opposed to the charging discharge electrode only by winding the strip-shaped target electrode. Thus, since the target electrode surface can be renewed, it is eliminated that the production must be frequently stopped for cleaning the target electrode, and the production efficiency can be greatly improved as compared with the conventional case.

請求項２に係る発明によれば、ターゲット電極を、その裏側から摺動可能に支持するターゲット電極支持板に電磁石の磁力により密接させるので、ターゲット電極の前面をゆがみが無い均一なターゲット電極面にすることができるとともに、電磁石をオフにした場合、ターゲット電極の巻き取りをターゲット電極支持板に沿ってスムーズに行える。   According to the invention of claim 2, since the target electrode is brought into close contact with the target electrode support plate that is slidably supported from the back side thereof by the magnetic force of the electromagnet, the front surface of the target electrode is made uniform with no distortion. When the electromagnet is turned off, the target electrode can be smoothly wound along the target electrode support plate.

請求項３に係る発明によれば、ターゲット電極の繰出側では、繰出ロールの回転をブレーキ用モータにより制動し、巻取側では、巻取ロールの逆転を逆転防止機構により防止するので、ターゲット電極に適度の張力を与えて、たるみを防止できる。   According to the third aspect of the invention, the rotation of the feeding roll is braked by the brake motor on the target electrode feeding side, and the reverse rotation of the winding roll is prevented by the reverse rotation prevention mechanism on the winding side. Appropriate tension can be applied to the sag to prevent sagging.

請求項４に係る発明によれば、金属製帯状薄板をもってターゲット電極としたので、部品コストの低減が図れるとともに、ターゲット電極を使い捨てとすることもでき、常に新しい電極面でコロナ放電を生じさせて一定の帯電性能を維持させることができる。   According to the invention of claim 4, since the metal strip-like thin plate is used as the target electrode, the cost of parts can be reduced and the target electrode can be made disposable, and a corona discharge is always generated on a new electrode surface. A constant charging performance can be maintained.

次に、本発明の最良の実施例を図面に基づいて詳細に説明する。   Next, the best embodiment of the present invention will be described in detail with reference to the drawings.

図１〜図５に本発明の実施例を示す。図２に鎖線で示した帯電用放電電極Ａ側については、従来と同じとしてその説明は省略し、ターゲット電極側についてだけ説明する。
本実施例では、ステンレスの帯状薄板をもってターゲット電極１とし、これを繰出ロール２から繰り出し、巻取ロール３にて巻き取るようになっており、これらロール２・３間では、横長のターゲット電極支持板４にて裏側から支持する構造となっている。これらロール２・３は中空円筒形である。 1 to 5 show an embodiment of the present invention. The charging discharge electrode A side indicated by the chain line in FIG.
In this embodiment, a stainless steel strip-shaped thin plate is used as the target electrode 1, which is fed out from the feed roll 2 and wound up by the take-up roll 3. The plate 4 is supported from the back side. These rolls 2 and 3 have a hollow cylindrical shape.

繰出ロール２は繰出側ベース５上に、また、巻取ロール３は巻取側ベース６上に軸支されている。これらベース５・６は、ターゲット電極支持板４の両端に固定されている。   The feeding roll 2 is pivotally supported on the feeding-side base 5, and the winding roll 3 is pivotally supported on the winding-side base 6. These bases 5 and 6 are fixed to both ends of the target electrode support plate 4.

繰出側ベース５上には、ギアー７ａを有するブレーキ用モータ７が設置され、図２及び図３に示すように、そのギアー７ａと繰出ロール２に設けられたギアー２ａとを、繰出側ベース５上に軸支された中間ギアー８に噛み合わせることにより、繰出ロール２に、ブレーキ用モータ７による制動力が作用するようになっている。   A brake motor 7 having a gear 7a is installed on the feeding-side base 5, and the gear 7a and the gear 2a provided on the feeding roll 2 are connected to the feeding-side base 5 as shown in FIGS. By engaging with the intermediate gear 8 pivotally supported on the upper side, a braking force by the brake motor 7 acts on the feeding roll 2.

繰出側ベース５上には、さらに、繰出側ガイドロール９が軸支されている。一方、巻取側ベース６上には巻取側ガイドロール１０が軸支されている。これらガイドロール９・１０は、その外周面がターゲット電極支持板４の前面と、同一垂直面上で並ぶ位置関係となっており、繰出ロール２から繰り出された帯状のターゲット電極１は、繰出側ガイドロール９にて案内されて方向を変えてから、ターゲット電極支持板４の前面に沿って真っ直ぐ延び、巻取側ガイドロール１０にて再び方向を変えて巻取ロール３に巻き取られる。   On the supply side base 5, a supply side guide roll 9 is further pivotally supported. On the other hand, a winding side guide roll 10 is pivotally supported on the winding side base 6. These guide rolls 9 and 10 have a positional relationship in which the outer peripheral surface is aligned with the front surface of the target electrode support plate 4 on the same vertical plane, and the belt-like target electrode 1 fed from the feed roll 2 is arranged on the feed side. After being guided by the guide roll 9 and changing the direction, it extends straight along the front surface of the target electrode support plate 4, and the direction is again changed by the winding-side guide roll 10 and wound around the winding roll 3.

ターゲット電極支持板４は、その両端の断面Ｌ形コーナ材１１と上板１２及び下板１３とで箱形をなしている。ターゲット電極支持板４の裏面には、複数個（本例では３個）の電磁石１４が左右（長手方向）に所定の間隔をおいて取り付けられている。   The target electrode support plate 4 forms a box shape with an L-shaped corner material 11 and an upper plate 12 and a lower plate 13 at both ends. A plurality (three in this example) of electromagnets 14 are attached to the rear surface of the target electrode support plate 4 at predetermined intervals in the left and right (longitudinal direction).

巻取ロール３内には、その逆転を防止するため、ラチェットを用いた逆転防止機構１５が備えられている。また、巻取ロール３の軸には、その上端に巻取ハンドル１６が設けられている。   In the winding roll 3, a reverse rotation preventing mechanism 15 using a ratchet is provided to prevent the reverse rotation. Further, a winding handle 16 is provided at the upper end of the shaft of the winding roll 3.

このような構造になっているので、電磁石１４をオンにして励磁することにより、その磁力でターゲット電極１をターゲット電極支持板４の前面に密接させ、ターゲット電極１の前面をゆがみの無い垂直なターゲット電極面とすることができる。   Since it has such a structure, when the electromagnet 14 is turned on and excited, the target electrode 1 is brought into close contact with the front surface of the target electrode support plate 4 by the magnetic force, and the front surface of the target electrode 1 is vertical without distortion. It can be a target electrode surface.

一方、電磁石１４をオフにした状態で、巻取ハンドル１６を回して巻取ロール３にて帯状のターゲット電極１を巻き取ると、ターゲット電極１がターゲット電極支持板４の前面に沿って摺動し、ターゲット電極１の新しい前面が、帯電用放電電極Ａと対向するターゲット電極面となるので、つまり、ターゲット電極面が更新されるので、清掃する手間が省ける。このようなターゲット電極面の更新は、例えば、上述したような不織布の製造ラインの場合、製造を中止することなく随時にかつ容易に行える。   On the other hand, when the electromagnet 14 is turned off and the winding handle 16 is turned to wind the belt-like target electrode 1 by the winding roll 3, the target electrode 1 slides along the front surface of the target electrode support plate 4. However, since the new front surface of the target electrode 1 becomes the target electrode surface facing the charging discharge electrode A, that is, the target electrode surface is renewed. For example, in the case of the nonwoven fabric production line as described above, such update of the target electrode surface can be easily performed at any time without stopping the production.

なお、巻取ロール３を手動で回すようにしたが、モータ等を用いて自動的に回転させても良いこと勿論である。   Although the winding roll 3 is manually rotated, it is needless to say that the winding roll 3 may be automatically rotated using a motor or the like.

本発明の一実施例の斜視図である。It is a perspective view of one Example of this invention. その一部省略平面図である。FIG. 一部省略正面図である。FIG. 繰出側の断面図である。It is sectional drawing on the delivery side. 巻取側の断面図である。It is sectional drawing by the side of winding. 従来例の断面図である。It is sectional drawing of a prior art example.

符号の説明Explanation of symbols

Ａ 帯電用放電電極
１ ターゲット電極
２ 繰出ロール
２ａ ギアー
３ 巻取ロール
４ ターゲット電極支持板
５ 繰出側ベース
６ 巻取側ベース
７ ブレーキ用モータ
７ａ ギアー
８ 中間ギアー
９ 繰出側ガイドロール
１０ 巻取側ガイドロール
１１ コーナ材
１２ 上板
１３ 下板
１４ 電磁石
１５ 逆転防止機構
１６ 巻取ハンドル A Charging discharge electrode 1 Target electrode 2 Feeding roll 2a Gear 3 Winding roll 4 Target electrode support plate 5 Feeding side base 6 Winding side base 7 Brake motor 7a Gear 8 Intermediate gear 9 Feeding side guide roll 10 Winding side guide Roll 11 Corner material 12 Upper plate 13 Lower plate 14 Electromagnet 15 Reverse rotation prevention mechanism 16 Winding handle

Claims (4)

帯電用放電電極にターゲット電極の矩形面を対向させ、これら電極間を通過する被帯電物を帯電させる帯電電極装置において、前記ターゲット電極を帯状として繰出ロールから繰り出し、巻取ロールにて巻き取るようにしたことを特徴とする帯電電極装置。   In a charging electrode device in which a rectangular surface of a target electrode is opposed to a charging discharge electrode, and an object to be charged passing between the electrodes is charged, the target electrode is fed out from a feeding roll as a belt and wound up by a winding roll A charging electrode device characterized by being made. 繰出ロールと巻取ロールとの間でターゲット電極をその裏側から摺動可能に支持するターゲット電極支持板と、このターゲット電極支持板にターゲット電極を磁力で密接させる電磁石とを備えたことを特徴とする請求項１に記載の帯電電極装置。   A target electrode support plate that slidably supports the target electrode from the back side between the feeding roll and the take-up roll, and an electromagnet that closely contacts the target electrode with a magnetic force. The charging electrode device according to claim 1. 繰出ロール側に、その回転を制動するブレーキ用モータを備え、巻取ロール側に、その逆転を防止する逆転防止機構を備えたことを特徴とする請求項１又は２に記載の帯電電極装置。   3. The charging electrode device according to claim 1, further comprising a brake motor for braking the rotation on the feeding roll side, and a reverse rotation prevention mechanism for preventing the reverse rotation on the winding roll side. ターゲット電極が金属製帯状薄板であることを特徴とする請求項１ないし３のいずれかに記載の帯電電極装置。   4. A charging electrode device according to claim 1, wherein the target electrode is a metal strip-shaped thin plate.
JP2006346034A 2006-12-22 2006-12-22 Charging electrode device Active JP4402685B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2935991A1 (en) * 2008-09-16 2010-03-19 Rieter Perfojet METHOD AND INSTALLATION FOR PRODUCING A NONWOVEN SAIL WITH DUST.
FR2935992A1 (en) * 2008-09-16 2010-03-19 Rieter Perfojet SPUNBOND TOWER WITH ELECTROSTATIC DEVICE.
WO2022055131A1 (en) * 2020-09-08 2022-03-17 코오롱인더스트리 주식회사 Spunbond non-woven fabric with improved opening quality and no hazardous residue, and manufacturing method and apparatus thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2935991A1 (en) * 2008-09-16 2010-03-19 Rieter Perfojet METHOD AND INSTALLATION FOR PRODUCING A NONWOVEN SAIL WITH DUST.
FR2935992A1 (en) * 2008-09-16 2010-03-19 Rieter Perfojet SPUNBOND TOWER WITH ELECTROSTATIC DEVICE.
WO2010031912A3 (en) * 2008-09-16 2010-05-14 Rieter Perfojet Method and equipment for producing a non-woven web with dust removal
WO2010031913A3 (en) * 2008-09-16 2010-05-14 Rieter Perfojet Spunbond tower with an electrostatic device
WO2022055131A1 (en) * 2020-09-08 2022-03-17 코오롱인더스트리 주식회사 Spunbond non-woven fabric with improved opening quality and no hazardous residue, and manufacturing method and apparatus thereof
JP2023539153A (en) * 2020-09-08 2023-09-13 コーロン インダストリーズ インク Spunbond nonwoven fabric containing no residual harmful substances and having improved opening quality, its manufacturing method, and manufacturing equipment
JP7575576B2 (en) 2020-09-08 2024-10-29 コーロン インダストリーズ インク Method for manufacturing spunbond nonwoven fabric with improved fiber opening quality and no residual harmful substances
JP2024174156A (en) * 2020-09-08 2024-12-13 コーロン インダストリーズ インク Spunbond nonwoven fabric with improved fiber opening quality and no residual harmful substances

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