JPH07213Y2 - Coating equipment - Google Patents
Coating equipmentInfo
- Publication number
- JPH07213Y2 JPH07213Y2 JP1987163547U JP16354787U JPH07213Y2 JP H07213 Y2 JPH07213 Y2 JP H07213Y2 JP 1987163547 U JP1987163547 U JP 1987163547U JP 16354787 U JP16354787 U JP 16354787U JP H07213 Y2 JPH07213 Y2 JP H07213Y2
- Authority
- JP
- Japan
- Prior art keywords
- coating
- web
- blade
- flexible member
- coating liquid
- 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.)
- Expired - Lifetime
Links
- 239000011248 coating agent Substances 0.000 title claims description 54
- 238000000576 coating method Methods 0.000 title claims description 54
- 239000007788 liquid Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Coating Apparatus (AREA)
- Paper (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、例えば製紙機械に併設される紙コータにおけ
るコート液の塗工装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a coating apparatus for coating liquid in a paper coater attached to a papermaking machine, for example.
（従来の技術） 第２図は従来の塗工機（フラッデッド・ニップコータ）
の一例を示すもので、外周面にゴム等の弾性体１を巻き
つけてなるバッキングロール２の外周ウェブ３を巻掛け
て移送させるようにし、且つ前記バッキングロール２の
外周面下部位置に、ウェブ３の下面に向けて垂直上方向
にコート液４を、ニップ圧をかけることにより付着させ
るアプリケーションロール９を有するコート液槽10を設
けると共に、このアプリケーションロール９よりもウェ
ブ移送方向下流に、余剰のコート液を除去してウェブ３
の表面に一定のコート液層６を形成するブレード７を設
けている。なお、図中８はブレードホルダである。(Prior Art) FIG. 2 shows a conventional coating machine (flooded nip coater).
An example is shown in which an outer peripheral web 3 of a backing roll 2 formed by winding an elastic body 1 such as rubber around the outer peripheral surface is wound around and transferred, and a web is provided at a lower position of the outer peripheral surface of the backing roll 2. A coating liquid tank 10 having an application roll 9 to which the coating liquid 4 is attached vertically upward toward the lower surface of 3 is provided, and an excess liquid is provided downstream of the application roll 9 in the web transfer direction. Web 3 after removing the coating liquid
A blade 7 for forming a constant coating liquid layer 6 is provided on the surface of the. Reference numeral 8 in the drawing denotes a blade holder.
（考案が解決しようとする問題点） しかるに、この種コータについてはバッキングロールの
回転速度を千数百m/min位まで増加させると、第３図に
示すようにリングパターンと称する塗りむらを生じ、コ
ート液４をブレード７で掻き取っても製品のコート厚さ
にもその影響を受け、いわゆるストリークと呼ぶ５−10
mmのピッチの塗りむらを生ずるといった問題の起きるこ
とがある。(Problems to be solved by the invention) However, in this type of coater, when the rotation speed of the backing roll was increased to about several thousand hundreds m / min, uneven coating called a ring pattern was generated as shown in FIG. Even if the coating liquid 4 is scraped off by the blade 7, it is affected by the coating thickness of the product.
Problems such as uneven coating with a pitch of mm may occur.
本考案は、こうした点に鑑みなされたもので、バッキン
グロールの回転速度を増加させても、上記の如きストリ
ークの生じない塗工装置を提供しようとするものであ
る。The present invention has been made in view of these points, and an object thereof is to provide a coating apparatus that does not cause the above-described streak even when the rotation speed of the backing roll is increased.
（問題点を解決するための手段） このため本考案は，バッキングロールに巻掛けられて移
送されるウエブの外周面にコート液を塗布する装置と，
同塗布装置のウエブ移送方向下流側に設けられ，前記塗
布された塗料の余剰分を除去するブレードとを備えた塗
工装置において，前記塗布装置と前記ブレードとの間
に，前記塗布された塗料をウエブ面に押付けるため，先
端部が塗工面と平行部をもって接触した可撓性部材と，
同可撓性部材を保持し、前記平行部を塗工面に押付ける
支持体とを備え，かつ弾性的に支持された押付け装置を
配設してなるもので，これを問題点解決のための手段と
するものである。(Means for Solving Problems) For this reason, the present invention provides an apparatus for applying a coating liquid to the outer peripheral surface of a web which is wound around a backing roll and transferred.
A coating device, which is provided on the downstream side of the coating device in the web transfer direction and has a blade for removing an excess of the coated paint, wherein the coated paint is provided between the coating device and the blade. Is pressed against the web surface, so that the tip end is in contact with the coating surface in parallel with the flexible member,
A pressing device that holds the same flexible member and that presses the parallel portion against the coating surface and that is elastically supported is provided. It is a means.
（作用） 本考案は塗工面と平行部を持って接触した可撓性部材で
押圧しているため，その絞り効果により塗料中の溶媒
（水等）をウエブ側又は表面に絞り出し，塗膜を強固に
付着形成することができる。このため塗工が高速化して
も，塗料の流体力による飛散等が少なくなり，高速塗工
が可能になる。(Function) In the present invention, since the flexible member that is in contact with the coating surface in parallel has been pressed, the solvent (water, etc.) in the paint is squeezed out to the web side or the surface by the squeezing effect, and the coating film is formed. It can be firmly adhered and formed. For this reason, even if the coating speed is increased, scattering due to the fluid force of the coating is reduced, and high-speed coating is possible.
その結果、前記リングパターンに起因して発生するスト
リークも同時に解消させる。As a result, streaks caused by the ring pattern are also eliminated.
（実施例） 以下、本考案の実施例を図面に基づいて詳述する。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は本考案の代表的な実施例を示す塗工装置の側断
面図である。図中、２は外周面にゴム等の弾性体１が貼
着されているバッキングロール、３はウェブ、４はコー
ト液、７はブレード、８はブレードホルダー、９はアプ
リケーションロール、10はコート液槽である。FIG. 1 is a side sectional view of a coating apparatus showing a typical embodiment of the present invention. In the figure, 2 is a backing roll having an elastic body 1 such as rubber adhered to the outer peripheral surface, 3 is a web, 4 is a coating liquid, 7 is a blade, 8 is a blade holder, 9 is an application roll, and 10 is a coating liquid. It is a tank.
５は押付け装置であり、ウェブ３のコート面をバッキン
グロール２に向けて所定の押付け力をもって押付けるよ
うにしてウェブ３の巾方向に架設される。図示例では、
同押付け装置５は可撓性部材としての押付けプレート1
1,基板12,支持体としての支持部材13及びチューブ状の
弾性体14とで構成されている。前記押付けプレート11は
金属製の薄板で形成され，第１図に示す如く先端部が塗
工面と平行部を持って接触しており，前記支持部材13及
び弾性体14で同平行部が塗工面に押付けられるようにな
っており，またその一側部は前記基板12の一側部と共
に、上記コート液槽10に取付けられている。前記基板12
の他側部上面には前記支持部材13が一体化され、同支持
部材13の上面にはゴム等の弾性体で形成されたチューブ
状の弾性体14が固着され、前記押付けプレート11の他側
部下面と前記弾性体14の上面とが当接するように配置さ
れる。チューブ状の同弾性体14は単なるチューブでも良
いが、中空部内部に外部から空気を送るように構成し、
同中空部内の空気圧を調整可能にすることもできる。A pressing device 5 is installed in the width direction of the web 3 so that the coated surface of the web 3 is pressed against the backing roll 2 with a predetermined pressing force. In the example shown,
The pressing device 5 is a pressing plate 1 as a flexible member.
1, a substrate 12, a support member 13 as a support, and a tubular elastic body 14. The pressing plate 11 is formed of a thin metal plate, and its tip portion is in contact with the coating surface in parallel with the coating surface as shown in FIG. 1, and the supporting member 13 and the elastic body 14 have the parallel portion in the coating surface. And is attached to the coating liquid tank 10 along with one side of the substrate 12. The substrate 12
The support member 13 is integrated with the upper surface of the other side portion, and a tube-shaped elastic body 14 formed of an elastic body such as rubber is fixed to the upper surface of the support member 13, and the other side of the pressing plate 11 is provided. The lower surface of the part and the upper surface of the elastic body 14 are arranged to be in contact with each other. The tubular elastic body 14 may be a simple tube, but is configured to send air from the outside into the hollow portion,
It is also possible to adjust the air pressure in the hollow portion.
また押付け装置５は，第１図に示す如くコート液槽10の
側壁の延設部に片持式に取付けられていて，弾性的に支
持されている。As shown in FIG. 1, the pressing device 5 is mounted in a cantilever manner on the extended portion of the side wall of the coating liquid tank 10 and is elastically supported.
以上の構成において、いまアプリケーションロール９に
沿ってウェブ３にコート液４の付着むらが生じても、ブ
レード７の上流側に設置した上記押付け装置５により、
リングパターンのむらをウェブ巾方向で均一にならしそ
の後で余剰分をブレード７により掻き取るため、製品か
らストリークの発生が解消される。In the above configuration, even if the coating liquid 4 is unevenly adhered to the web 3 along the application roll 9, the pressing device 5 installed on the upstream side of the blade 7
The unevenness of the ring pattern is made uniform in the web width direction, and after that, the surplus is scraped off by the blade 7, so that the occurrence of streaks is eliminated from the product.
（考案の効果） 以上詳細に説明した如く本考案によれば、塗工面と平行
部を持って接触した可撓性部材で押圧しているため，そ
の絞り効果により塗料中の溶媒（水等）をウエブ側又は
表面に絞り出し，塗膜を強固に付着形成することができ
る。このため塗工が高速化しても，塗料の流体力による
飛散等が少なくなり，高速塗工が可能になる。このため
製品からストリークを解消すると共に、紙・コータ液の
種類に容易に対応することが可能になり、また例えば塗
工量では10〜25g/m2、速度で50〜1800m/minの範囲にも
よく対応できるようになった。(Effect of the Invention) As described in detail above, according to the present invention, since the flexible member that is in contact with the coating surface in parallel has the pressing force, the solvent (water, etc.) in the coating material is exerted by the squeezing effect. Can be squeezed out to the web side or the surface to firmly adhere and form the coating film. For this reason, even if the coating speed is increased, scattering due to the fluid force of the coating is reduced, and high-speed coating is possible. Therefore, it is possible to eliminate streaks from the product and easily respond to the type of paper / coater liquid.For example, the coating amount is 10 to 25 g / m 2 and the speed is 50 to 1800 m / min. Can now respond well.
更に本考案によれば、コータ液がブレードで掻き取られ
る時点では、既にその表面が均されているため、ブレー
ドの負担が巾方向で均一となり、塗工品質を損なうこと
なくブレード寿命が伸び、また本考案が従来装置に押付
け装置を付設するだけの簡単な構造であるため、その実
施が容易でかつ安価である。Further, according to the present invention, when the coating liquid is scraped off by the blade, its surface is already leveled, so that the load on the blade becomes uniform in the width direction, and the blade life is extended without impairing the coating quality. Further, since the present invention has a simple structure in which the pressing device is attached to the conventional device, its implementation is easy and inexpensive.
第１図は本考案の代表的な実施例を示す塗工装置の側断
面図、第２図は従来のフラデッド・ニップコータの側断
面図、第３図はリングパターンの発生状態を示す立体図
である。 図の主要部分の説明 ２……バッキングロール ３……ウェブ ４……コート液 ５……押付け装置 ７……ブレードFIG. 1 is a side sectional view of a coating apparatus showing a typical embodiment of the present invention, FIG. 2 is a side sectional view of a conventional flooded nip coater, and FIG. 3 is a three-dimensional view showing a ring pattern generation state. is there. Description of main parts of the figure 2 …… Backing roll 3 …… Web 4 …… Coating liquid 5 …… Pressing device 7 …… Blade
フロントページの続き (72)考案者 山本 光雄 広島県三原市糸崎町5007番地 三菱重工業 株式会社三原製作所内 (56)参考文献 特開 昭62−87273（ＪＰ，Ａ)Front page continuation (72) Creator Mitsuo Yamamoto 5007 Itozaki-cho, Mihara-shi, Hiroshima Mitsubishi Heavy Industries, Ltd. Mihara Works (56) Reference JP-A-62-87273 (JP, A)
Claims (1)
るウエブの外周面にコート液を塗布する装置と，同塗布
装置のウエブ移送方向下流側に設けられ，前記塗布され
た塗料の余剰分を除去するブレードとを備えた塗工装置
において，前記塗工装置と前記ブレードとの間に，前記
塗布された塗料をウエブ面に押付けるため，先端部が塗
工面と平行部をもって接触した可撓性部材と，同可撓性
部材を保持し、前記平行部を塗工面に押付ける支持体と
を備え，かつ弾性的に支持された押付け装置を配設した
ことを特徴とする塗工装置。1. An apparatus for applying a coating liquid to the outer peripheral surface of a web wound around a backing roll and transferred, and a surplus portion of the applied coating provided on the downstream side of the coating apparatus in the web transfer direction. In a coating device having a blade for removing, the flexible coating is applied between the coating device and the blade so as to press the applied coating material against the web surface, so that the tip end contacts the coating surface in a parallel portion. A coating device, comprising: a flexible member, a support body that holds the flexible member, and a support body that presses the parallel portion against a coating surface, and an elastically supported pressing device is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987163547U JPH07213Y2 (en) | 1987-10-26 | 1987-10-26 | Coating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987163547U JPH07213Y2 (en) | 1987-10-26 | 1987-10-26 | Coating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0170898U JPH0170898U (en) | 1989-05-11 |
| JPH07213Y2 true JPH07213Y2 (en) | 1995-01-11 |
Family
ID=31448363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987163547U Expired - Lifetime JPH07213Y2 (en) | 1987-10-26 | 1987-10-26 | Coating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07213Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101537538B1 (en) * | 2010-10-26 | 2015-07-17 | 올브리히 게엠베하 | Device for applying a free-flowing medium to a web |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3623402A1 (en) * | 1985-07-31 | 1987-05-21 | Jagenberg Ag | METHOD AND DEVICE FOR CONTINUOUSLY APPLYING A Uniform Coating To A Material Web Running Across A Counter-Roller, Especially Paper Or Cardboard Web |
-
1987
- 1987-10-26 JP JP1987163547U patent/JPH07213Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101537538B1 (en) * | 2010-10-26 | 2015-07-17 | 올브리히 게엠베하 | Device for applying a free-flowing medium to a web |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0170898U (en) | 1989-05-11 |
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