JP4537814B2 - Cleaning method of plate roll - Google Patents

Cleaning method of plate roll Download PDF

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JP4537814B2
JP4537814B2 JP2004284864A JP2004284864A JP4537814B2 JP 4537814 B2 JP4537814 B2 JP 4537814B2 JP 2004284864 A JP2004284864 A JP 2004284864A JP 2004284864 A JP2004284864 A JP 2004284864A JP 4537814 B2 JP4537814 B2 JP 4537814B2
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plate
plate roll
roll
paint
alkaline solution
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JP2006095436A (en
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隆 森本
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KMEW Co Ltd
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Kubota Matsushitadenko Exterior Works Ltd
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本発明は、無機質板の表面に塗料を塗装するために用いられる版ロールの洗浄方法に関するものである。   The present invention relates to a method for washing a plate roll used for coating a surface of an inorganic plate with a paint.

壁材や屋根材などとして用いられるセメント系などの無機質板の表面に塗装を行なうために版ロールが用いられている(例えば特許文献1、特許文献2等参照)。   A plate roll is used to coat the surface of a cement-based inorganic plate used as a wall material or a roof material (see, for example, Patent Document 1 and Patent Document 2).

この版ロールAは、図2に示すように、金属製の芯ロール1の外周面にゴム製の版2を巻き付けて形成されるものであり、ゴム製の版2の表面には塗装柄模様に応じた凹凸柄3が設けてある。そしてこの版ロールAを用いて塗装を行なっていると、版2の表面に乾燥した塗料が付着して堆積してくるので、版ロールAの版2の表面を定期的に、あるいは塗料の堆積状態に応じて、洗浄する必要がある。   As shown in FIG. 2, the plate roll A is formed by winding a rubber plate 2 around the outer peripheral surface of a metal core roll 1, and a painted pattern is formed on the surface of the rubber plate 2. Concave and convex patterns 3 corresponding to the above are provided. When coating is performed using this plate roll A, the dried paint adheres to and accumulates on the surface of the plate 2, so the surface of the plate 2 of the plate roll A is deposited regularly or deposited. Depending on the condition, cleaning is required.

そこで、版ロールAのゴム製の版2の表面を効率良く洗浄するために、種々の方法が検討されている。例えば代表的なものに、洗浄液などに版ロールAを浸漬し、振動子から超音波を発振して版ロールAの表面に振動を与え、塗料を剥離させて洗浄液に溶解させる超音波洗浄や、ノズルから高圧水など高圧流体を吐出し、版ロールAの表面に高圧流体で衝撃を与えて、塗料を剥離させて除去する高圧洗浄や、版ロールAの表面に砂等の研磨剤を吹き付けて、塗料を研磨して除去するブラスト洗浄がある。
特開2000−290593号公報 特開2002−264463号公報
Therefore, various methods have been studied in order to efficiently clean the surface of the rubber plate 2 of the plate roll A. For example, in a typical example, the plate roll A is immersed in a cleaning liquid, and ultrasonic cleaning is performed by oscillating ultrasonic waves from a vibrator to vibrate the surface of the plate roll A, peeling the paint and dissolving in the cleaning liquid, A high-pressure fluid such as high-pressure water is discharged from the nozzle, and the surface of the plate roll A is impacted with the high-pressure fluid, and the paint is peeled off to remove it, or an abrasive such as sand is sprayed on the surface of the plate roll A. There is a blast cleaning that polishes and removes paint.
JP 2000-290593 A JP 2002-264463 A

しかし超音波洗浄では、版2の表面の塗料は除去できるが、凹凸柄3の凹部内に詰まった塗料を除去することは難しいものであった。また高圧洗浄では、吐出圧が低いと塗料の除去を行なうことができず、吐出圧を12MPaを超えた圧力に上げると凹凸柄3の凹部内まで塗料の除去は容易になるが、ゴム製の版2の表面の凹凸柄3が取れて欠損し、版2が破損されるおそれがある。さらにブラスト洗浄では、版2の表面の凹凸柄3が研磨を受け、版2を傷めるおそれがある。   However, the ultrasonic cleaning can remove the paint on the surface of the plate 2, but it is difficult to remove the paint clogged in the recesses of the uneven pattern 3. Also, in high pressure cleaning, the paint cannot be removed if the discharge pressure is low, and if the discharge pressure is increased to a pressure exceeding 12 MPa, the paint can be easily removed into the recesses of the concavo-convex pattern 3. There is a possibility that the uneven pattern 3 on the surface of the plate 2 is removed and lost, and the plate 2 is damaged. Further, in the blast cleaning, the uneven pattern 3 on the surface of the plate 2 may be polished and the plate 2 may be damaged.

本発明は上記の点に鑑みてなされたものであり、版ロールの表面を破損するようなおそれなく、版ロールの表面に付着した塗料を凹凸柄の奥まで除去することができる版ロールの洗浄方法を提供することを目的とするものである。   The present invention has been made in view of the above points, and is a cleaning of a plate roll that can remove the paint adhering to the surface of the plate roll to the back of the uneven pattern without fear of damaging the surface of the plate roll. It is intended to provide a method.

本発明の請求項1に係る版ロールの洗浄方法は、無機質板の表面にアクリル塗料を塗布する版ロールのゴム製の版の表面を洗浄するにあたって、版ロールのゴム製の版の表面をアルカリ溶液に浸漬した後、版ロールのゴム製の版の表面に高圧流体を噴射することを特徴とするものである。 The method of cleaning the plate roll according to claim 1 of the present invention, in order to clean the rubber plate surface of the plate roll for applying the acrylic coating on the surface of the inorganic board, alkali rubber plate surface of the plate roll After being immersed in the solution, a high-pressure fluid is jetted onto the surface of the rubber plate of the plate roll.

この発明によれば、版ロールの表面をアルカリ溶液に浸漬することによって、版ロールの表面に付着して堆積する塗料を表面から浮かすことができ、この状態で版ロールの表面に高圧流体を噴射することによって、高過ぎない圧力の高圧流体で塗料を版ロールの表面から剥離して除去することができるものであり、版ロールの表面を破損するようなおそれなく、版ロールの表面に付着した塗料を凹凸柄の奥まで除去することができるものである。   According to the present invention, by immersing the surface of the plate roll in an alkaline solution, the paint deposited and deposited on the surface of the plate roll can be floated from the surface, and in this state, a high-pressure fluid is sprayed onto the surface of the plate roll. By removing the paint from the surface of the plate roll with a high pressure fluid with a pressure that is not too high, the paint adheres to the surface of the plate roll without fear of damaging the surface of the plate roll. The paint can be removed to the back of the uneven pattern.

また請求項の発明は、アルカリ溶液は、pH10〜14であることを特徴とするものである。 The invention of claim 1, A alkali solution is characterized in that it is PH10~14.

アルカリ溶液のpHが10未満であると、版ロールの表面に付着した塗料を十分に浮かして剥離することが難しく、またアルカリ溶液のpHが14を超えると、アルカリ性が強過ぎて、版ロールの表面が侵食されるおそれがある。   If the pH of the alkaline solution is less than 10, it is difficult to lift the paint adhering to the surface of the plate roll and peel it off, and if the pH of the alkaline solution exceeds 14, the alkalinity is too strong, The surface may be eroded.

また請求項の発明は、請求項1において、高圧流体の噴射圧は10〜12MPaであることを特徴とするものである。 The invention of claim 2 is Oite to claim 1, the injection pressure of the high pressure fluid is characterized in that it is 10~12MPa.

高圧流体の噴射圧が10MPa未満であると、版ロールの表面に付着した塗料を十分に剥離して除去することが難しく、また高圧流体の噴射圧が12MPaを超えると、版ロールの表面に損傷を与えるおそれがある。   If the jet pressure of the high-pressure fluid is less than 10 MPa, it is difficult to sufficiently remove and remove the paint adhering to the surface of the plate roll. If the jet pressure of the high-pressure fluid exceeds 12 MPa, the surface of the plate roll is damaged. There is a risk of giving.

本発明によれば、アルカリ溶液の作用で、版ロールの表面に付着して堆積する塗料を表面から浮かし、この状態で、高過ぎない圧力の高圧流体の噴射で塗料を版ロールの表面から剥離して除去することができ、版ロールの表面を破損するようなおそれなく、版ロールの表面に付着した塗料を凹凸柄の奥まで除去することができるものである。   According to the present invention, the paint that adheres to and accumulates on the surface of the plate roll is floated from the surface by the action of the alkaline solution, and in this state, the paint is peeled off from the surface of the plate roll by spraying a high-pressure fluid with a pressure that is not too high. Thus, the paint adhering to the surface of the plate roll can be removed to the back of the uneven pattern without fear of damaging the surface of the plate roll.

以下、本発明を実施するための最良の形態を説明する。   Hereinafter, the best mode for carrying out the present invention will be described.

版ロールAは、既述の図2のように、金属製の芯ロール1の外周面にゴム製の版2を巻き付けて形成されるものであり、ゴム製の版2の表面には塗装柄模様に応じた凹凸柄3が設けてある。   The plate roll A is formed by winding a rubber plate 2 around the outer peripheral surface of a metal core roll 1 as shown in FIG. 2, and a coating pattern is formed on the surface of the rubber plate 2. An uneven pattern 3 corresponding to the pattern is provided.

そしてこの版ロールAの表面を洗浄して表面に付着して堆積した塗料を除去するにあたっては、先ず図1(a)のように、版ロールAの表面部の版2をアルカリ溶液4に浸漬する。このアルカリ溶液4のアルカリの種類は、版ロールAの表面のゴム版2を侵食することがないものである必要があり、また無機質板の塗装に用いる塗料は一般にアクリル塗料や、シリコン塗料であるので、これらの塗料に対する侵食性を有する点から、水酸化カリウムや水酸化ナトリウムなどを用いるのが好ましい。またアルカリ溶液4のpHは10〜14の範囲である。アルカリ溶液4のpHが10未満であると、付着して堆積した塗料を十分に浮かして剥離することが難しい。逆にアルカリ溶液のpHが14を超えるものであると、アルカリ溶液4のアルカリ性が強すぎて、版ロールAの版2のゴムが侵食されて劣化するおそれがある。このようなアルカリ溶液4としては、市販の水系工業用洗浄剤を用いることができるものであり、例えば東亜合成株式会社製「アクアゾルA−1」(ノニオン界面活性剤、珪酸塩含有のアルカリ水溶液)、同社製「アクアゾルS−1」(苛性アルカリ、ノニオン界面活性剤、珪酸塩含有のアルカリ水溶液)、同社製「アクアゾルM−1」(ノニオン界面活性剤、珪酸塩含有のアルカリ水溶液)、ロックタイトコーポレーション製「ナチュラルブルー」(水80〜90質量%、プロピレングリコールモノメチルエーテル5〜10質量%、アミン石鹸1〜5質量%)、ヘンケルジャパン株式会社製「P3maxan80D」(水酸化カリウム、キレート剤、多価アルコール、含エーテル基アルコール溶剤、両面界面活性剤、水)などを挙げることができる。ここでアルカリ溶液4への浸漬時間は、特に制限されるものではないが、8〜24時間程度が好ましい。
In removing the paint deposited on the surface by washing the surface of the plate roll A, first, the plate 2 on the surface portion of the plate roll A is immersed in an alkaline solution 4 as shown in FIG. To do. The alkali type of the alkaline solution 4 must be such that it does not corrode the rubber plate 2 on the surface of the plate roll A, and the paint used for coating the inorganic plate is generally an acrylic paint or a silicon paint. Therefore, it is preferable to use potassium hydroxide, sodium hydroxide, or the like from the viewpoint of erosion with respect to these paints. The pH of the alkaline solution 4 is in the range of 10-14. If the pH of the alkaline solution 4 is less than 10, it is difficult to sufficiently float and peel the paint deposited and deposited. Conversely, if the pH of the alkaline solution exceeds 14, the alkalinity of the alkaline solution 4 is too strong, and the rubber of the plate 2 of the plate roll A may be eroded and deteriorated. As such an alkaline solution 4, a commercially available aqueous industrial cleaner can be used. For example, “Aquasol A-1” (nonionic surfactant, alkaline aqueous solution containing silicate) manufactured by Toa Gosei Co., Ltd. "Aquasol S-1" (caustic alkali, nonionic surfactant, silicate-containing alkaline aqueous solution), "Aquasol M-1" (nonionic surfactant, silicate-containing alkaline aqueous solution), Loctite Corporation “Natural Blue” (80 to 90% by weight of water, 5 to 10% by weight of propylene glycol monomethyl ether, 1 to 5% by weight of amine soap), “P3maxan80D” (potassium hydroxide, chelating agent, polyvalent) Alcohol, ether-containing alcohol solvent, double-sided surfactant, water) It can be. Here, the immersion time in the alkaline solution 4 is not particularly limited, but is preferably about 8 to 24 hours.

上記のように版ロールAをアルカリ溶液に浸漬した後、図1(b)のように版ロールAの版2の表面に高圧流体5を噴射する。流体5としては洗浄水などを用いることもできるが、水で十分である。高圧流体5は高圧洗浄機のノズル6から吐出させることによって、版ロールAの版2の表面に噴射することができる。版ロールAを上記のようにアルカリ溶液に浸漬することによって、版ロールAの版2の表面に付着して堆積している塗料は、版2の表面に密着していず表面から浮いている。従って、版2の表面に高圧流体5を噴射することによって、版ロールAの版2の表面に衝撃を与え、塗料を版2の表面から容易に剥離させて除去することができるものであり、版2の凹凸柄3の奥に詰まった塗料も容易に除去することができるものである。   After the plate roll A is immersed in the alkaline solution as described above, the high-pressure fluid 5 is sprayed onto the surface of the plate 2 of the plate roll A as shown in FIG. Washing water or the like can be used as the fluid 5, but water is sufficient. The high pressure fluid 5 can be jetted onto the surface of the plate 2 of the plate roll A by being discharged from the nozzle 6 of the high pressure washer. By immersing the plate roll A in the alkaline solution as described above, the paint deposited and deposited on the surface of the plate 2 of the plate roll A is not in close contact with the surface of the plate 2 and is floating from the surface. Therefore, by injecting the high pressure fluid 5 onto the surface of the plate 2, the surface of the plate 2 of the plate roll A is impacted, and the paint can be easily peeled off from the surface of the plate 2 and removed. The paint clogged in the back of the uneven pattern 3 of the plate 2 can be easily removed.

ここで、高圧流体5のノズル6からの吐出圧、すなわち版ロールAの版2の表面への流体5の噴射圧は、10〜12MPaの範囲が好ましい。高圧流体5の噴射圧が10MPa未満であると、高圧流体5による衝撃が弱く、塗料の除去を十分に行なうことが難しい。高圧流体の噴射圧が12MPaを超えると、衝撃が強くなるためにゴム製の版2の表面の凹凸柄3が取れて欠損するおそれがあり、版2が破損される可能性がある。版ロールAを上記のようにアルカリ溶液に浸漬処理することによって版2の表面から塗料は浮いているので、12MPa以下の比較的低い噴射圧で塗料を剥離して除去することが可能になるのである。   Here, the discharge pressure of the high-pressure fluid 5 from the nozzle 6, that is, the injection pressure of the fluid 5 onto the surface of the plate 2 of the plate roll A is preferably in the range of 10 to 12 MPa. When the injection pressure of the high-pressure fluid 5 is less than 10 MPa, the impact of the high-pressure fluid 5 is weak and it is difficult to sufficiently remove the paint. When the injection pressure of the high-pressure fluid exceeds 12 MPa, the impact becomes strong, so that the concavo-convex pattern 3 on the surface of the rubber plate 2 may be removed and the plate 2 may be damaged. Since the paint floats from the surface of the plate 2 by immersing the plate roll A in the alkaline solution as described above, the paint can be peeled off and removed at a relatively low jet pressure of 12 MPa or less. is there.

版ロールAの版2の表面に高圧流体5を噴射する時間は、版2の表面の汚れの状態に応じて適宜調整されるものであるが、一般的に10〜30分間程度が好ましい。   The time for injecting the high-pressure fluid 5 onto the surface of the plate 2 of the plate roll A is appropriately adjusted according to the state of contamination on the surface of the plate 2, but is generally preferably about 10 to 30 minutes.

次に、本発明を実施例によって具体的に説明する。   Next, the present invention will be specifically described with reference to examples.

(実施例1)
芯ロール1の外周に、ゴム硬度が35°のEPTゴムで形成した版2を巻いて作製される版ロールAについて、セメント系無機質板にアクリル塗料を塗装する工程で8時間用いた後に、洗浄を行なった。
Example 1
After the plate roll A produced by winding the plate 2 formed of EPT rubber having a rubber hardness of 35 ° around the outer periphery of the core roll 1 is used for 8 hours in the process of applying acrylic paint to the cement-based inorganic board, it is washed. Was done.

先ず、アルカリ溶液4として、ヘンケルジャパン社製アルカリ洗浄液「P3maxan80D」(pH13.8)を水で4倍に希釈してpH13.5に調整したものを用い、このアルカリ溶液4に版ロールAを4時間浸漬した。   First, as the alkaline solution 4, an alkali cleaning solution “P3maxan80D” (pH 13.8) manufactured by Henkel Japan Co., Ltd. was diluted 4 times with water and adjusted to pH 13.5. Soaked for hours.

次に、クラレンツ社製冷水高圧洗浄機「K−1150」を用い、ノズル6から10MPaの吐出圧で水を吐出し、この高圧流体(水)5を版ロールAの版2の表面に噴射した。高圧水5の吐出量は10L/分であり、10分間噴射を行なった。   Next, water was discharged from the nozzle 6 at a discharge pressure of 10 MPa using a cold water high pressure washer “K-1150” manufactured by Klarenz, and this high pressure fluid (water) 5 was sprayed onto the surface of the plate 2 of the plate roll A. . The discharge amount of the high-pressure water 5 was 10 L / min, and injection was performed for 10 minutes.

上記のようにして版ロールAの洗浄を行ない、室温で24時間乾燥した後、版ロールAの版2の表面を観察したところ、凹凸柄3の凹部の奥も含めて、殆どの塗料は残存していなかった。また凹凸柄3の欠損も全くなかった。さらに版2のゴム硬度を測定したところ34°であり、版2を形成するゴムの劣化は殆どないことが確認された。   After the plate roll A was washed as described above and dried at room temperature for 24 hours, the surface of the plate 2 of the plate roll A was observed. I did not. Moreover, there was no defect of the uneven pattern 3 at all. Further, when the rubber hardness of the plate 2 was measured, it was 34 °, and it was confirmed that there was almost no deterioration of the rubber forming the plate 2.

(比較例1)
アルカリ溶液4による処理を行なわないで、実施例1と同じ条件で高圧水5による洗浄のみを行なった(噴射圧10MPa)。そして室温で24時間乾燥した後、版ロールAの版2の表面を観察したところ、凹凸柄3の凹部の奥に詰まった塗料は殆ど除去することができず、残存したままであった。
(Comparative Example 1)
Only the washing with the high-pressure water 5 was performed under the same conditions as in Example 1 without performing the treatment with the alkaline solution 4 (injection pressure 10 MPa). Then, after drying at room temperature for 24 hours, the surface of the plate 2 of the plate roll A was observed. As a result, the paint clogged in the recesses of the concave / convex pattern 3 could hardly be removed and remained.

(比較例2)
アルカリ溶液4による処理を行なわないで、噴射圧を15MPaに変更する他は実施例1と同じ条件で高圧水5による洗浄のみを行なった。そして室温で24時間乾燥した後、版ロールAの版2の表面を観察したところ、凹凸柄3の凹部の奥も含めて、殆どの塗料を除去することができたが、凹凸柄3には数箇所の欠損が生じていた。
(Comparative Example 2)
Only the washing with the high-pressure water 5 was performed under the same conditions as in Example 1 except that the treatment with the alkaline solution 4 was not performed and the injection pressure was changed to 15 MPa. And after drying for 24 hours at room temperature, when the surface of the plate 2 of the plate roll A was observed, most of the paint including the back of the concave portion of the concave and convex pattern 3 could be removed. Several defects have occurred.

本発明の実施の形態の一例を示すものであり、(a)はアルカリ溶液による処理工程の概略断面図、(b)は高圧流体による洗浄工程の概略断面図である。An example of embodiment of this invention is shown, (a) is a schematic sectional drawing of the process process by an alkaline solution, (b) is a schematic sectional drawing of the washing | cleaning process by a high pressure fluid. 版ロールAの一例を示す斜視図である。2 is a perspective view showing an example of a plate roll A. FIG.

符号の説明Explanation of symbols

A 版ロール
1 芯ロール
2 版
3 凹凸柄
4 アルカリ溶液
5 高圧流体
6 ノズル
A plate roll 1 core roll 2 plate 3 uneven pattern 4 alkaline solution 5 high pressure fluid 6 nozzle

Claims (2)

アクリル塗料の塗装に用いられる版ロールのゴム製の版の表面を洗浄するにあたって、版ロールのゴム製の版の表面をpH10〜14のアルカリ溶液に浸漬した後、版ロールのゴム製の版の表面に高圧流体を噴射することを特徴とする版ロールの洗浄方法。 In cleaning the surface of the rubber plate of the plate roll used for the coating of the acrylic paint, after immersing the surface of the rubber plate of the plate roll in an alkaline solution of pH 10 to 14, the rubber plate of the plate roll A method for cleaning a plate roll, characterized by jetting a high-pressure fluid onto a surface. 高圧流体の噴射圧は10〜12MPaであることを特徴とする請求項1に記載の版ロールの洗浄方法。   2. The plate roll cleaning method according to claim 1, wherein the high pressure fluid has an injection pressure of 10 to 12 MPa.
JP2004284864A 2004-09-29 2004-09-29 Cleaning method of plate roll Expired - Fee Related JP4537814B2 (en)

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JP2002172765A (en) * 2000-12-07 2002-06-18 Nichiha Corp Architectural board printer
JP2003019453A (en) * 2001-07-06 2003-01-21 Fuji Photo Film Co Ltd Coating method and apparatus

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Publication number Priority date Publication date Assignee Title
JP2002172765A (en) * 2000-12-07 2002-06-18 Nichiha Corp Architectural board printer
JP2003019453A (en) * 2001-07-06 2003-01-21 Fuji Photo Film Co Ltd Coating method and apparatus

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