JPH01180269A - Backing roll cleaning device for coater - Google Patents
Backing roll cleaning device for coaterInfo
- Publication number
- JPH01180269A JPH01180269A JP63004477A JP447788A JPH01180269A JP H01180269 A JPH01180269 A JP H01180269A JP 63004477 A JP63004477 A JP 63004477A JP 447788 A JP447788 A JP 447788A JP H01180269 A JPH01180269 A JP H01180269A
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- roll
- backing roll
- coating
- doctor
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 88
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 238000000576 coating method Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 22
- 239000000853 adhesive Substances 0.000 abstract description 9
- 238000010186 staining Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000005406 washing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［Ａコ産業上の利用分野
本発明は塗工装置のバッキングロール洗浄装置に関する
発明である。詳しくは、塗工紙特に、オフセット輪転用
塗工紙（以下ではオフ輸塗工紙と略す）を製造する塗工
装置のバッキングロール洗浄装置に関する発明である。DETAILED DESCRIPTION OF THE INVENTION [A] Industrial Application Field The present invention relates to a backing roll cleaning device for a coating device. Specifically, the invention relates to a backing roll cleaning device for a coating apparatus for producing coated paper, particularly coated paper for offset rotation (hereinafter abbreviated as "off-set coated paper").
［Ｂ］従来の技術。[B] Conventional technology.
一般に塗工紙を製造する塗工装置に於ては必要塗工量以
上に塗液を転写させ、ブレード等のメタリング装置に依
り、余分の塗液を措き落とす方式で塗工される。その際
、塗液は紙幅以上の幅に転写され、紙に転写された塗液
と共にバッキングロールに転写された塗液も掻き落とさ
れるが、完全に掻き落とすのは難しく、これを洗浄しな
いと、乾燥し、塗工された紙を汚す、乾燥塗液がメタリ
ングを困難にする等のトラブルが発生する。その為。Generally, in a coating device for producing coated paper, coating is carried out by transferring more than the required amount of coating liquid, and then using a metering device such as a blade to scrape off the excess coating liquid. At that time, the coating liquid is transferred to a width greater than the paper width, and the coating liquid transferred to the paper and the coating liquid transferred to the backing roll are scraped off, but it is difficult to completely scrape off, and unless this is washed, Problems such as drying and staining the coated paper and dry coating fluid making metaling difficult occur. For that reason.
塗工装置にはバッキングロール洗浄装置が設置されてい
る。このバッキングロール洗浄装置は第２図に示す様に
、バッキングロールに先端が押し付けられる様に、斜め
に設定されたドクターの内側に洗浄温水を流し、塗液を
洗い流す構造となっている。The coating equipment is equipped with a backing roll cleaning device. As shown in Fig. 2, this backing roll cleaning device has a structure in which cleaning hot water is flowed inside a doctor blade set diagonally so that the tip is pressed against the backing roll to rinse away the coating liquid.
［Ｃ］発明が解決しようとする間離点
しかしながら、塗工紙特に、オフ輪用塗工紙の塗工に於
ては塗液中の接着剤に起因する粕がドクターの縁に発生
する場合がある。この粕が発生すると、洗浄ドクターを
持ち上げ、洗浄温水が漏れて、塗工前の紙（原紙）を汚
損したり、或は破断するに至る。[C] Discrepancy that the invention aims to solve However, when coating coated paper, especially coated paper for off-wheels, scum occurs at the edge of the doctor due to the adhesive in the coating solution. There is. When this sludge is generated, the cleaning doctor is lifted and the hot cleaning water leaks, staining or breaking the paper (base paper) before coating.
従来、この問題に対する対応策として、原紙の両−には
塗液を転写しない方法も試みられたが、乾燥時に塗工後
の紙の両端が反り返り、紙割れ、しわ等が起こり、また
、紙切れの原因ともなる為、採用されなかった。In the past, attempts have been made to deal with this problem by not transferring the coating liquid to both sides of the base paper, but when drying, both edges of the coated paper curl, resulting in paper cracks, wrinkles, etc., and paper breakage. It was not adopted because it could cause
また、粕の発生し難い接着剤を選択する事は、塗工紙の
特性を損なわれる場合もあり、望ましい解決策とは言い
難い。Furthermore, selecting an adhesive that does not easily generate lees may impair the properties of the coated paper, and is therefore not a desirable solution.
本発明の目的は上述の問題点を克服し、塗工紙特に、オ
フセット輪転用塗工紙（以下ではオフ輪塗工紙と略す）
を製造する塗工装置のバッキングロール洗浄装置に於て
発生する塗工液の接着剤に起因する粕の発生が少なくな
る事を特徴とする洗浄装置を提供する事である。An object of the present invention is to overcome the above-mentioned problems and to provide coated paper, particularly coated paper for offset rotary printing (hereinafter abbreviated as off-wheel coated paper).
It is an object of the present invention to provide a cleaning device characterized in that generation of sludge caused by an adhesive in a coating solution generated in a backing roll cleaning device of a coating device for manufacturing a coating device is reduced.
ＣＤ１問題を解決するための手段
本発明は塗工装置のメタリング機構の反対側にバッキン
グロールの表面に対して洗浄ロールを押し付け、バッキ
ングロールに従動回転させ、該洗浄ロールとバッキング
ロールの食い込み側に温水シャワーを噴霧させる。更に
、該洗浄ロールとバッキングロールのニップを通過した
直後、従来形式の洗浄ドクターをバッキングロールに押
し付け、洗浄ドクターの上部に温水シャワーを噴霧させ
る塗工装置のバッキングロール洗浄装置である。Means for Solving the CD1 Problem The present invention presses a cleaning roll against the surface of a backing roll on the opposite side of the metering mechanism of a coating device, rotates the backing roll according to Have a hot shower spray. Further, the backing roll cleaning device of the coating apparatus presses a conventional cleaning doctor against the backing roll immediately after passing through the nip between the cleaning roll and the backing roll, and sprays a warm water shower onto the top of the cleaning doctor.
更に、該洗浄ロールの直径（第１ＩｆＲの洗浄ロールの
寸法ｄ）は１００ｍｍ以上である事が望ましい。Further, the diameter of the cleaning roll (dimension d of the first IfR cleaning roll) is preferably 100 mm or more.
以下で、上記の手段について図面に基づき、詳細に説明
する。バッキングロール洗浄装置に於て発生する接着剤
粕は洗浄ドクター（１０）先端部とバッキングロール（
７）の接点に於てバッキングロール（７）上に転写され
てきた塗液（６）が洗浄温水に依って希釈されると共に
大きなせん断力を受ける過程で、接着剤特に高分子ラテ
ックスが凝集し、フィルム状になる事に依り、発生する
。ここで、当然のことながら、バッキングロール（７）
と洗浄ドクター（１０）先端部の間及びその近傍に於て
塗液（６）が受けるせん断力が少なければ少ない程、粕
は発生し難くなる。しかしながら、洗浄ドクター（１０
）先端部のバッキングロール（７）に対する押し付は圧
が低過ぎると、洗浄温水が多重に漏れてしまう為、ある
程度の押し付は圧は必要となる。なお、洗浄温水が僅か
に、しかも均一に漏れる場合は濡れたバッキングロール
（７）が原紙（４）に接触する前にバッキングロール（
７）が乾燥してしまうめで間Ｕを生ヒない。Below, the above means will be explained in detail based on the drawings. The adhesive residue generated in the backing roll cleaning device is removed from the tip of the cleaning doctor (10) and the backing roll (
At the contact point 7), the coating liquid (6) transferred onto the backing roll (7) is diluted by the hot cleaning water and in the process of being subjected to a large shearing force, the adhesive, especially the polymer latex, coagulates. This occurs due to the formation of a film. Here, of course, the backing roll (7)
The less shearing force that the coating liquid (6) receives between and the tip of the cleaning doctor (10) and in the vicinity thereof, the more difficult it is for scum to form. However, the cleaning doctor (10
) If the pressure of the tip part against the backing roll (7) is too low, the hot water for washing will leak multiple times, so a certain amount of pressure is required to press the tip part against the backing roll (7). In addition, if the cleaning hot water leaks slightly and evenly, the backing roll (7) should be removed before the wet backing roll (7) comes into contact with the base paper (4).
7) Do not heat the spacer as it will dry out.
従来のバッキングロール洗浄装置の模式図を第２図に示
しである様に、洗浄ドクター（１０）は洗浄ドクター（
１０）先端部とバッキングロール（７）との接点部分が
点接触と成っている。更に、この様な形の洗浄ドクター
（１０）に対して大きな荷重をかけると、バッキングロ
ール（７）（通常、ＪＩＳ硬度６０〜９０のゴムで被覆
したロールである）が歪を生じ、洗浄温水で希釈された
塗液（６）の流路が屈曲し、非常に大きなせん断力がか
かる事となる。As shown in Fig. 2, which is a schematic diagram of a conventional backing roll cleaning device, the cleaning doctor (10) is a cleaning doctor (10).
10) The contact portion between the tip and the backing roll (7) is a point contact. Furthermore, if a large load is applied to this type of cleaning doctor (10), the backing roll (7) (usually a roll covered with rubber with a JIS hardness of 60 to 90) will become distorted, causing the hot cleaning water to The flow path of the diluted coating liquid (6) is bent, and a very large shearing force is applied.
この変形の様子の模式図を第３図に示しである。A schematic diagram of this deformation is shown in FIG.
又、接１着剤粕が発生するには、接着剤コロイドが洗浄
温水の希釈に依り分散破壊を起こし、′ａ隼物を作る事
がきっかけとなるが、粕ａ、ａ物の主体となる接着剤、
特に高分子ラテックスがある程度以上は存在しない限り
粕は発生しない。In addition, the generation of adhesive sludge is triggered by the dispersion and destruction of the adhesive colloid due to the dilution of the hot washing water, creating ``a hayamono'', but lees a and a sludge become the main body. glue,
In particular, no lees are generated unless a certain amount of polymer latex is present.
そこで、本発明者は従来の洗浄ドクタ一方式の洗浄装置
の手前に、バッキングロール（７）に接して洗浄ロール
（８）を設置する形でニップを作り、そこに洗浄温水を
噴霧すると共に、バッキングロール（７）に従動回転さ
せた。洗浄ロール（８）の材質は主にバッキングロール
（７）（通常、ＪＩＳ硬度６０〜９０のゴムで被覆した
ロールである）と同様のゴム材質で被覆したロールであ
るが、従動回転する為、金属ロールを使うこともできる
。ここで洗浄ロール（８）はバッキングロール（７）に
従動回転する為、バッキングロール（７）との接点に於
ける速度差は無くなり、バッキングロール（７）とのニ
ップに於て大きなせん断力を生ずる事はなくなる。 し
かしながら、上述の構造のニップ間に於ても僅かながら
せん断力は生ずる。この為、ニップにかかる圧力を低下
させる為、該洗浄ロール径をある程度以下、具体的には
１００ｕ＋ａ以下の直径は望ましくない。Therefore, the present inventor created a nip by installing a cleaning roll (8) in contact with a backing roll (7) in front of the conventional one-type cleaning device with a cleaning doctor, and sprayed hot cleaning water into the nip, and The backing roll (7) was driven to rotate. The material of the cleaning roll (8) is mainly a roll coated with the same rubber material as the backing roll (7) (usually a roll coated with rubber with a JIS hardness of 60 to 90), but because it rotates in a driven manner, You can also use metal rolls. Here, since the cleaning roll (8) rotates as a result of the backing roll (7), there is no speed difference at the point of contact with the backing roll (7), and a large shearing force is generated at the nip with the backing roll (7). There will be no more happening. However, a small amount of shear force is generated even between the nips of the above-described structure. Therefore, in order to reduce the pressure applied to the nip, it is undesirable for the cleaning roll diameter to be less than a certain level, specifically less than 100u+a.
ただ、仮に洗浄ロール（８）で粕が発生した場合でも僅
かであれば、洗浄ドクター（１０）の場合と異なり、洗
浄ロール（８）に均一に付着した状態では大規模なニッ
プからの漏水は起こらない、また、洗浄ロール（８）の
後に洗浄ドクター（ｌＯ）を設置するので、洗浄ロール
（８）での漏水は相当程度までカバーする事ができる。However, even if scum occurs on the cleaning roll (8), it is only a small amount; unlike the case with the cleaning doctor (10), if it is uniformly adhered to the cleaning roll (8), there will be no large-scale water leakage from the nip. Since this does not occur, and since the cleaning doctor (lO) is installed after the cleaning roll (8), water leakage at the cleaning roll (8) can be covered to a considerable extent.
ここで、洗浄ロール（８）後に設置された洗浄ドクター
（１０）に於ては洗浄ロールを通過した僅かの塗液（６
）を洗浄するだけなので、粕発生の可能性は極めて低い
。Here, in the cleaning doctor (10) installed after the cleaning roll (8), a small amount of the coating liquid (6
), the possibility of lees forming is extremely low.
［Ｅ］実施例 以下で実施例を用い、更に詳細に本発明を説明する。[E] Example The present invention will be explained in more detail below using Examples.
実施例 １ 第１図に基づき１本発明の詳細な説明する。Example 1 The present invention will be explained in detail based on FIG.
塗工装置本体はバッキングロール径９６０ｍａφ（７〉
、アプリケーターロール（１）径４００ ａｎφで、塗
工前の原紙（４）はアプリケーターロール（１）後方よ
りバッキングロール（７）に接触する形で塗工装置に入
る。塗液はカラーパン（２）よりアプリケーターロール
（１）に転移しアプリケーターロール（１）とバッキン
グロール（７）のニツ′プで原紙（４）に転写され、ブ
レード（３）で必要塗工量まで掻き落とされる。ｍ１紙
（５）の横幅より外側のバッキングロール（７）に転写
された塗液（６）は洗浄ロール（８）とバッキングロー
ル（７）のニップに於て洗浄温水シャワー（９）を噴霧
され洗浄ロール（８）の両脇に排出される。洗浄ロール
（８）の直径は１００Ｉｌｌであり、横幅はバッキング
ロール（７）と同じ長さと成っている。洗浄ロール（８
）とバッキングロール（７）のニップの両脇には洗浄排
水の受けが設けられている。洗浄ロール（８）は動力機
構を持たず、バッキングロール（７）との摩擦力のみに
依り、バッキングロール（７）に対して従動回転する。The coating equipment main body has a backing roll diameter of 960maφ (7〉
, the applicator roll (1) has a diameter of 400 anφ, and the base paper (4) before coating enters the coating device from behind the applicator roll (1) in contact with the backing roll (7). The coating liquid is transferred from the color pan (2) to the applicator roll (1), transferred to the base paper (4) by the nip between the applicator roll (1) and the backing roll (7), and the required coating amount is applied by the blade (3). scraped off. The coating liquid (6) transferred to the backing roll (7) outside the width of the m1 paper (5) is sprayed with a cleaning warm water shower (9) at the nip between the cleaning roll (8) and the backing roll (7). It is discharged to both sides of the cleaning roll (8). The diameter of the cleaning roll (8) is 100 Ill, and the width is the same length as the backing roll (7). Washing roll (8
) and the backing roll (7) are provided with wash drainage receivers on both sides of the nip. The cleaning roll (8) does not have a power mechanism and rotates as a result of the backing roll (7) only by the frictional force with the backing roll (7).
洗浄ロール（８）両端の軸受けを加圧シリンダー等で支
え、洗浄ロール（８）の押し付は圧力を制御する事は何
等差し支えない、洗浄ロール（８）とのニップ通過後に
バッキングロール（７）上に残った洗浄温水は洗浄ドク
ター（１０）とバッキングロール（７）のニップに於て
洗浄温水シャワー（１２）で洗い流され、洗浄ドクター
（１０）の両脇に排出される。ここで、洗浄ドクター（
１０）の横幅はバッキングロール〈７〉の横幅とほぼ等
しい、洗浄ドクター（１０）のバッキングロール（７）
への押し付は圧は加圧シリンダー（１１）で制御される
。The bearings at both ends of the cleaning roll (8) are supported by pressure cylinders, etc., and the pressure of the cleaning roll (8) can be controlled in any way.After passing through the nip with the cleaning roll (8), the backing roll (7) The cleaning hot water remaining on the top is washed away by a cleaning warm water shower (12) at the nip between the cleaning doctor (10) and the backing roll (7), and is discharged to both sides of the cleaning doctor (10). Here, wash doctor (
The width of the backing roll (7) of the cleaning doctor (10) is almost equal to the width of the backing roll (7).
The pressure for pressing is controlled by a pressurizing cylinder (11).
本実施例の装置で５２ｇ／ｍ”の原紙（４）に対して、
塗工量片面１２ｇ／＠”の条件で下記の配合の塗液を５
時間塗工したが、粕の発生は無かった。With the device of this example, for base paper (4) of 52 g/m'',
Coating amount: 12g/@'' on one side with 5 coating liquids of the following composition.
Although the coating was applied for several hours, no scum was generated.
〈塗液配合〉
１級カオリン ８０部
重質炭カル ２０部
澱粉（市販） ７部
高分子ラテックス（市販） １５部
滑剤（市販） ０．１部
アンモニア水 ０．５部
塗液濃度 ６０％
実施例２
実施例１と同等の装置で洗浄ロール（８）の直径（ｄ）
が７０＠亀である装置。<Coating liquid formulation> 1st class kaolin 80 parts Heavy coal 20 parts Starch (commercially available) 7 parts Polymer latex (commercially available) 15 parts Lubricant (commercially available) 0.1 part Aqueous ammonia 0.5 parts Coating liquid concentration 60% Implementation Example 2 Diameter (d) of cleaning roll (8) using the same device as Example 1
A device where is 70 @ turtle.
本装置で実施例１と同等の塗液を同等の条件で５時間塗
工したが、洗浄ロール（８）に若干の粕が付着したが、
重大な影響を生じなかった。Using this device, the same coating liquid as in Example 1 was applied for 5 hours under the same conditions, but some dregs adhered to the cleaning roll (8).
No significant effects occurred.
比較例１
第２図を用い、従来のバッキングロール洗浄装置を説明
する。塗工装置本体はバッキングロール径９６０ ａｍ
φ（７）、アプリケーターロール径４００１１φ（１）
で、塗工前の原紙（４）はアプリケーターロール（１）
後方よりバッキングロール（７）に接触する形で塗工装
置に入る。！！！液はカラーパン（２）よりアプリケー
ターロール（１）に転移しアプリケーターロール（１）
とバッキングロール（７）のニップで原紙（４）に転写
され、ブレード（３）で必要塗工量まで措き落とされる
。ここまでについては実施例１と全く同等である。ｍ１
紙（５）の横幅より外側のバッキングロール（７）に転
写された塗液（６）は、洗浄ドクター（１０）とバッキ
ングロール（７）のニップに於て洗浄温水シャワー（１
２）で洗い流され、洗浄ドクター（１０）の両脇に排出
される。ここで、洗浄ドクター（１０〉の横幅はバッキ
ングロール（７）の横幅とほぼ等しい、洗浄ドクター（
１０）の両脇には洗浄排水の受けが設けられている。洗
浄ドクター（１０）のバッキングロール（７）への押し
付は圧は加圧シリンダー（１１）で制御される。Comparative Example 1 A conventional backing roll cleaning device will be described with reference to FIG. The coating equipment main body has a backing roll diameter of 960 am.
φ (7), applicator roll diameter 40011φ (1)
The base paper (4) before coating is the applicator roll (1).
It enters the coating device from the rear in contact with the backing roll (7). ! ! ! The liquid is transferred from the color pan (2) to the applicator roll (1).
It is transferred to the base paper (4) by the nip between the backing roll (7) and removed to the required coating amount by the blade (3). Everything up to this point is completely the same as in the first embodiment. m1
The coating liquid (6) transferred to the backing roll (7) outside the width of the paper (5) is washed with a hot water shower (1) at the nip between the cleaning doctor (10) and the backing roll (7).
2) and is discharged to both sides of the cleaning doctor (10). Here, the width of the cleaning doctor (10) is approximately equal to the width of the backing roll (7).
10) Receptacles for washing drainage water are provided on both sides. The pressure of the cleaning doctor (10) against the backing roll (7) is controlled by a pressure cylinder (11).
本装置を用い、実施例１に示した条件、塗液で３時間塗
工したが、粕に依る洗浄ドクター（１０）からの漏水で
塗工紙（５）が破断した。Using this apparatus, coating was carried out for 3 hours with the coating liquid under the conditions shown in Example 1, but the coated paper (5) broke due to water leakage from the cleaning doctor (10) due to scum.
［Ｆコ発明の効果
本発明を実施する事に依り、塗工紙特に、オフ輪用塗工
紙の塗工に於て塗液中の接着剤に起因する粕がドクター
の縁に発生する事がな（なり、この為、洗浄温水が漏れ
て、塗工前の紙（原紙）を汚損したり、或は破断するに
至ると言う様な問題が生じなくなる。[Effects of the Invention] By implementing the present invention, scum caused by the adhesive in the coating liquid will occur on the edge of the doctor when coating coated paper, especially coated paper for off-wheels. This prevents problems such as hot washing water leaking out and staining or breaking the paper (base paper) before coating.
第１図は本発明の塗工装置バッキングロール洗浄装置の
概略図
第２図は従来のバッキングロール洗浄装置の概略図
第３図は第２図に示すバッキングロール洗浄装置ドクタ
ーに大きな荷重をかけた場合のバッキングロール変形の
概念図
１ニアプリケータ−ロール
２：カラーパン
３：メタリング用ブレード
４：原紙
５；塗工紙
６：塗液
７：バッキングロール
８：洗浄ロール（ｄ：直径）
９：洗浄温水シャワー
１０：洗浄ドクター
１１；加圧シリンダー
１２：洗浄温水シャワー
第１′図
第２１！１Fig. 1 is a schematic diagram of the backing roll cleaning device of the coating equipment of the present invention. Fig. 2 is a schematic diagram of a conventional backing roll cleaning device. Fig. 3 is the backing roll cleaning device shown in Fig. 2. Conceptual diagram of backing roll deformation in case 1 Near applicator roll 2: Color pan 3: Metering blade 4: Base paper 5; Coated paper 6: Coating liquid 7: Backing roll 8: Washing roll (d: diameter) 9: Washing hot water Shower 10: Cleaning doctor 11; Pressure cylinder 12: Cleaning hot water shower Figure 1' Figure 21!1
Claims (1)
ールの表面に洗浄ロールを設け、該ロールとバッキング
ロールの食い込み側に温水シャワーを設置し、該洗浄ロ
ールとバッキングロールのニップの下部に洗浄ドクター
をバッキングロール上に設置し、洗浄ドクター上部に温
水シャワーを設ける事を特徴とする塗工装置のバッキン
グロール洗浄装置 ２ 該洗浄ロールの直径が１００ｍｍ以上である事を特
徴とする請求項１記載の塗工装置のバッキングロール洗
浄装置[Claims] 1. A cleaning roll is provided on the surface of the backing roll on the opposite side of the metering mechanism of the coating device, a hot water shower is installed on the biting side of the roll and the backing roll, and the nip between the cleaning roll and the backing roll is installed. Backing roll cleaning device 2 for coating equipment, characterized in that a cleaning doctor is installed on the backing roll at the bottom and a hot water shower is provided above the cleaning doctor.The cleaning roll has a diameter of 100 mm or more. A backing roll cleaning device for a coating device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63004477A JPH01180269A (en) | 1988-01-11 | 1988-01-11 | Backing roll cleaning device for coater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63004477A JPH01180269A (en) | 1988-01-11 | 1988-01-11 | Backing roll cleaning device for coater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180269A true JPH01180269A (en) | 1989-07-18 |
Family
ID=11585190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63004477A Pending JPH01180269A (en) | 1988-01-11 | 1988-01-11 | Backing roll cleaning device for coater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180269A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209954A (en) * | 1989-12-29 | 1993-05-11 | Fuji Photo Film Co., Ltd. | Method for applying a coating liquid to a web |
| WO2011073532A1 (en) | 2009-12-17 | 2011-06-23 | Metso Paper, Inc. | Doctor |
| JP2014004730A (en) * | 2012-06-22 | 2014-01-16 | Kmew Co Ltd | Roll pressure device and cleaning method of pressure roll |
-
1988
- 1988-01-11 JP JP63004477A patent/JPH01180269A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209954A (en) * | 1989-12-29 | 1993-05-11 | Fuji Photo Film Co., Ltd. | Method for applying a coating liquid to a web |
| WO2011073532A1 (en) | 2009-12-17 | 2011-06-23 | Metso Paper, Inc. | Doctor |
| DE112010004859T5 (en) | 2009-12-17 | 2013-01-03 | Metso Paper, Inc. | SCRAPER |
| JP2014004730A (en) * | 2012-06-22 | 2014-01-16 | Kmew Co Ltd | Roll pressure device and cleaning method of pressure roll |
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