EP0787857B1 - Dispositif pour l'enduction de matériaux en bandes, en particulier bande de papier ou de carton - Google Patents

Dispositif pour l'enduction de matériaux en bandes, en particulier bande de papier ou de carton Download PDF

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Publication number
EP0787857B1
EP0787857B1 EP96118007A EP96118007A EP0787857B1 EP 0787857 B1 EP0787857 B1 EP 0787857B1 EP 96118007 A EP96118007 A EP 96118007A EP 96118007 A EP96118007 A EP 96118007A EP 0787857 B1 EP0787857 B1 EP 0787857B1
Authority
EP
European Patent Office
Prior art keywords
web
frame
backing roll
applicator
applicator system
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
Application number
EP96118007A
Other languages
German (de)
English (en)
Other versions
EP0787857A1 (fr
Inventor
Reinhard Knop
Gerhard Wohlfeil
Ingo Becker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Jagenberg Papiertechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jagenberg Papiertechnik GmbH filed Critical Jagenberg Papiertechnik GmbH
Publication of EP0787857A1 publication Critical patent/EP0787857A1/fr
Application granted granted Critical
Publication of EP0787857B1 publication Critical patent/EP0787857B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper

Definitions

  • the invention relates to a device for coating a material web, in particular a paper or cardboard web, according to the preamble of the claim 1.
  • a material web in particular a paper or cardboard web
  • Application rollers are the application systems for the excess application (DE-C 36 23 402) and application chambers open to the material web (EP-C 0 051 698) are known.
  • the Metering systems are known to contain mechanical doctor elements as metering elements, such as doctor blades (DE-C 36 23 402), doctor bars (DE-C 30 22 955), Doctor blades (EP-C 0 109 520) or so-called air knife used the Wipe off excess with compressed air from a slot nozzle (DE-A 40 14 463).
  • doctor blades DE-C 36 23 402
  • doctor bars DE-C 30 22 955)
  • Doctor blades EP-C 0 109 520
  • air knife used the Wipe off excess with compressed air from a slot nozzle
  • the application and the metering system in the wrap area to be arranged by counter-rollers, of which the material web during application and is supported over its entire width when dosing (DE-A 41 30 118).
  • the application and metering system are in a common frame with the counter roller stored.
  • the invention has for its object a generic coating device to improve so that they can be used for the production of various paper or Cardboard products can be used when taking a product change required changeover time should be as short as possible.
  • the coating device it is possible to use the application system can be exchanged quickly as a whole.
  • the coating device is modular constructed in such a way that the order system is independent of the other parts of the Coating device is stored together in a module, which from the Coating device moved out and thus quickly against another Order system can be exchanged.
  • the device according to the invention described below is used for coating a paper or cardboard web 1 several meters wide with coating color as coating material , It contains an application system 2 for applying coating color in the Excess on web 1 and in the web running direction with a distance behind the application system 2 a metering system 3, the excess of coating color except for the scrapes off the desired coat weight and equalizes the coating color film.
  • the web 1 is at least in the area of the metering system 3 - also in FIG Area of the application system 2 - from a counter roller 4 over its entire width supported.
  • the axial length of the maximum web width to be processed Reaching counter roller 4 has shaft journals on both ends with which it in a frame 5 rotatably mounted about its central axis 60 by means of a rotary drive is.
  • the frame 5 of the counter roller 4 is built up from two side walls 6, which with a crossbar 7 are interconnected. One side wall 6 is on each long side located outside the area of the web 1 and on the floor supported.
  • the application system 2 In the area below the counter roller 4, the application system 2 is in its own horizontally movable frame 8 mounted.
  • the frame 8 of the application system 2 contains two side walls 9, the cross members 10 and if necessary over a base plate are connected to each other. Move horizontally around frame 8 to be able to, it is attached to the cross members 10 or the base plate Rollers stored, which run in rails attached to the floor. Alternatively, you can a transport system made up of air cushions between the base plate and the floor be arranged, the simple movement of the frame 8 over the Ground allows.
  • the two separate frames 5, 8 are designed in this way and are arranged that the frame 8 with the application system stored therein 2 as a whole is interchangeable, that is, from the area below the counter roller 4 can be moved out. There are none below the counter roller 4 Parts of the frame 5, but a sufficient - in the embodiment to Floor-reaching - free space into which the frame 8 with the application system 2 moves can be.
  • the frame 5 the counter-roller 4 on the inlet side transverse side a sufficiently large opening on.
  • the two side walls 6 are so far apart and the crossbar 7 so arranged high that the frame 8 with the application system 2 against the direction of web travel - in the figures to the left - can be moved out of the frame 5.
  • the device it is also possible to design the device so that the frame 8 with the application system 2 across the web running direction through a corresponding opening on one of the long sides moved out of the area of the counter roller 4 and can be replaced.
  • the dosing system 3 is in the web running direction behind the application system 2 in one Frame 11 mounted that is constructed and arranged so that it is interchangeable the frame 8 with the application system 2 is not hindered. Instead of one separate frame 11 for the metering system 3 can this in a common Frame with the counter roller 4 be stored. This common frame is so designed that below the counter roller 4 sufficient space for a replaceable separate frame 8 of the application system 2 remains.
  • the metering system 3 is constructed in a known manner: it contains as a metering element a scraper knife which can be pressed against the web 1 supported by the counter roller 4 12, which is clamped with its foot in a clamping beam 13, the direction is slidably mounted to the counter roller 4 in a doctor bar 14.
  • the scraper bar 14 is additionally by means of a spindle drive 17 pivotally suspended in the side parts 16.
  • the exemplary embodiments show a doctor knife 12 as a metering element.
  • alternative can also use doctor blades, doctor blades or other known doctor elements Wiping off the excess can be used.
  • FIG. 1 shows a coating device in which a so-called application system 2 is used Roller applicator is used.
  • the order system 2 contains one with a rotary drive connected applicator roller 18 with a smooth surface, which over the total working width, i. e. the maximum web width is sufficient.
  • the application roller 18 is Height-adjustable in the frame 8 to the order gap 19 between them Lateral surface and the web 1 supported in this area by the counter roller 4 to be able to adjust.
  • the Applicator roller 18 On the lower side facing away from the counter roller 4, the Applicator roller 18 in an ink chamber 20, which is continuously supplied with coating color becomes.
  • one of the outer surface of the applicator roller 18 is adapted curved baffle 21 arranged up to the area of the application gap 19th is sufficient and forms a narrow ink supply channel with the application roller 18.
  • the coating material is fed into the ink supply channel in such a large amount on the web 1 introduced that an excess 22 runs back over the back of the baffle 21.
  • the excess 22 is collected in a tub 23 and like that amount scraped back from doctor blade 12. All of the above Parts of the application system 2 are stored in the frame 8 and can therefore can be exchanged with this for another order system 2.
  • the application system 2 contains one for the counter roller open application chamber 24, which consists of a paint chamber 25 with coating color is supplied.
  • the application chamber 24 is on the web exit side with a Working width-reaching rotatably mounted rod 26 completed to the of the Counter roll 4 supported web 1 leaves a pre-metering gap through which a Excess film of desired thickness is generated. Remains on the entry side of lane 1 an overflow gap 27 open, through which overflowing coating 28 emerges and in a tub 29 is collected. This ensures complete wetting the web 1 without uncovered places.
  • an adjustable bar 30 is arranged, with which the cross section can change the inlet opening in the application chamber 24.
  • All of the above parts of the application system 2 are as well as a sump 31 for the dosing system 3 doctored coating color attached to a crossbar 32, which in the Side parts 9 of the frame 8 is pivotally mounted. You can do so as a whole be replaced.
  • the pivotability of the traverse 32 enables lowering the application system 2 from working position on a counter roller in a Position in which system 2 is cleaned or a new web 1 is drawn in can.
  • Figures 3 to 5 show coating devices in which the application system 2 contains its own counter roller 33, from which the web 1 is supported during application becomes. Between the application and the dosing the web is over a certain The route is straight.
  • the straightforward guidance of web 1 with the excess order until dosing has the advantage that those acting on the excess Centrifugal forces can be minimized. Centrifugal forces that are too high can cause spraying of coating color and / or lead to irregularities in the excess film, which are no longer balanced during dosing.
  • the element of the application system that applies the coating color to the web 1 is preferred 2 arranged at the end of the wrapping area of the counter roller 33, thus the web 1 with the excess order without or with as little as possible Straight curve up to the dosing element (scraper knife 12) of the dosing system 3 runs.
  • the dosing element is as close as possible the run-up line of the web 1 arranged on the counter roller 4.
  • the exemplary embodiment according to FIG. 3 contains a roller application unit as application system 2, that has already been described in the embodiment of Figure 1.
  • the the only difference is that the application system 2 has its own counter roller 33, which is mounted in the frame 8 and can therefore be replaced.
  • the driven counter roller 33 forms the application gap 19 with the application roller 18, in which the coating color is applied in excess to the web 1.
  • an application system 2 with an application chamber 24 used on the separate counter roller 33 of the application system 2 is arranged.
  • the application chamber 24 is supplied with coating ink under pressure and thus passed to the web 1 supported by the counter roller 33.
  • FIG. 5 shows an embodiment of an application system 2 with a slot nozzle 34, from which the coating color is sprayed against the web 1.
  • the slot nozzle 34 will supplied from a paint chamber 25, the outlet cross section of which is adjustable Bar 35 is adjustable. It will exactly the desired excess amount the web 1 is plotted, the amount applied via the pump output of the feed Pump is adjustable.
  • the application system 2 a separate counter-roller 33 mounted and driven in the frame 8 on, which is partially wrapped around by the web 1 and thus supports this during application.
  • the nozzle 34 is also at the end of the looping area of the counter roll 33 arranged so that the web 1 with the excess order as straight as possible runs to the dosing system 3.

Landscapes

  • Coating Apparatus (AREA)
  • Paper (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (9)

  1. Dispositif pour l'enduction d'une bande de matériau (1), en particulier d'une bande de papier ou de carton, avec un système de dépôt (2) pour déposer un matériau de revêtement en excès, un système de dosage (3) disposé à distance après le système de dépôt (2) dans le sens de défilement de la bande pour racler l'excédent jusqu'au poids de couchage désiré, et avec un contre-rouleau (4), qui est appuyé dans un bâti (5) appuyé sur le sol et par lequel la bande (1) est soutenue au moins pendant le dosage, caractérisé en ce que le bâti (5) du contre-rouleau (4) présente en dessous du contre-rouleau (4) un espace libre, dans lequel est disposé de façon interchangeable un bâti séparé (8) avec le système de dépôt (2) appuyé dans celui-ci.
  2. Dispositif suivant la revendication 1, caractérisé en ce que le bâti (5) du contre-rouleau (4) présente dans une face transversale, de préférence dans la face transversale au défilement de la bande, une ouverture à travers laquelle le bâti (8) avec le système de dépôt (2) peut être déplacé hors du bâti (5), horizontalement dans le sens opposé au défilement de la bande.
  3. Dispositif suivant la revendication 1, caractérisé en ce que le bâti (5) présente dans une face longitudinale une ouverture, à travers laquelle le bâti (8) avec le système de dépôt (2) peut être déplacé hors du bâti (5), horizontalement et transversalement au sens de défilement de la bande.
  4. Dispositif suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que le système de dépôt (2) présente un contre-rouleau propre (33), appuyé dans le bâti (8), pour soutenir la bande (1) pendant le dépôt, par lequel la bande (1) est guidée en ligne droite vers le contre-rouleau (4) du système de dosage (3).
  5. Dispositif suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que le système de dosage (3) est supporté dans un bâti propre (11), disposé après le système de dépôt (2) dans le sens de défilement de la bande.
  6. Dispositif suivant l'une quelconque des revendications 1 à 5, caractérisé par un dispositif de dépôt à rouleau comme système de dépôt (2).
  7. Dispositif suivant l'une quelconque des revendications 1 à 5, caractérisé par un système de dépôt (2) avec une chambre de dépôt (24) ouverte vers le contre-rouleau (4, 33) soutenant la bande (1).
  8. Dispositif suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que le système de dépôt (2) comporte une buse fendue (34), hors de laquelle le matériau de revêtement est projeté sur la bande (1).
  9. Dispositif suivant l'une quelconque des revendications 1 à 8, caractérisé en ce que le système de dosage (3) est supporté dans un bâti commun avec son contre-rouleau (4).
EP96118007A 1996-02-03 1996-11-09 Dispositif pour l'enduction de matériaux en bandes, en particulier bande de papier ou de carton Expired - Lifetime EP0787857B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19603861A DE19603861C1 (de) 1996-02-03 1996-02-03 Vorrichtung zum Beschichten einer Materialbahn, insbesondere einer Papier- oder Kartonbahn
DE19603861 1996-02-03

Publications (2)

Publication Number Publication Date
EP0787857A1 EP0787857A1 (fr) 1997-08-06
EP0787857B1 true EP0787857B1 (fr) 2002-03-20

Family

ID=7784396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118007A Expired - Lifetime EP0787857B1 (fr) 1996-02-03 1996-11-09 Dispositif pour l'enduction de matériaux en bandes, en particulier bande de papier ou de carton

Country Status (7)

Country Link
US (1) US6066208A (fr)
EP (1) EP0787857B1 (fr)
JP (1) JPH09299848A (fr)
AT (1) ATE214761T1 (fr)
BR (1) BR9700838A (fr)
DE (2) DE19603861C1 (fr)
ES (1) ES2174014T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6582555B2 (en) 2001-11-05 2003-06-24 Kimberly-Clark Worldwide, Inc. Method of using a nozzle apparatus for the application of the foam treatment of tissue webs
US6730171B2 (en) 2001-11-05 2004-05-04 Kimberly-Clark Worldwide, Inc. Nozzle apparatus having a scraper for the application of the foam treatment of tissue webs
DE102013104921A1 (de) * 2013-05-14 2014-11-20 A. Monforts Textilmaschinen Gmbh & Co. Kg Vorrichtung zum Beschichten und/oder Imprägnieren einer textilen Warenbahn

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070461A (en) * 1958-09-15 1962-12-25 Beloit Iron Works Blade coater assembly and changer
US3079889A (en) * 1959-06-03 1963-03-05 Black Clawson Co Paper machinery
LU39282A1 (fr) * 1960-10-14 1962-04-14
NL274289A (fr) * 1961-02-03
US3418970A (en) * 1964-11-02 1968-12-31 Black Clawson Co Paper coating apparatus
US3688735A (en) * 1970-03-13 1972-09-05 Beloit Corp Apparatus for applying glue to leading and trailing edges of a wrapper sheet
DE3022955C2 (de) * 1980-06-19 1982-12-16 Jagenberg-Werke AG, 4000 Düsseldorf Vorrichtung zum Regeln der Auftragsstärke beim Beschichten laufender Materialbahnen
DE3025689A1 (de) * 1980-07-07 1982-01-21 Jagenberg-Werke AG, 4000 Düsseldorf Vorrichtung zum einlegen von rakelstangen
EP0051698B2 (fr) * 1980-11-06 1994-08-17 Consolidated Papers, Inc. Procédé et dispositif d'enduisage du papier
DE3369080D1 (en) * 1982-11-23 1987-02-19 Jagenberg Ag Apparatus for coating a moving web of material
US4440809A (en) * 1983-01-17 1984-04-03 Consolidated Papers, Inc. Method and apparatus for recirculating coating liquid in a paper coating apparatus
DE3623402A1 (de) * 1985-07-31 1987-05-21 Jagenberg Ag Verfahren und vorrichtung zum kontinuierlichen aufbringen einer gleichmaessigen beschichtung auf eine ueber eine gegenwalze laufende materialbahn, insbesondere papier- oder kartonbahn
US4675230A (en) * 1985-11-12 1987-06-23 Alcan International Limited Apparatus and method for coating elongated strip articles
DE4014463A1 (de) * 1990-05-07 1991-11-14 Jagenberg Ag Vorrichtung zum beschichten einer materialbahn, insbesondere einer papier- oder kartonbahn
DE4130118C2 (de) * 1991-09-11 1995-04-20 Jagenberg Ag Vorrichtung zum Beschichten einer um eine Gegenwalze geführten Materialbahn, insbesondere einer Papier- oder Kartonbahn

Also Published As

Publication number Publication date
US6066208A (en) 2000-05-23
DE59608920D1 (de) 2002-04-25
DE19603861C1 (de) 1997-07-31
ES2174014T3 (es) 2002-11-01
JPH09299848A (ja) 1997-11-25
EP0787857A1 (fr) 1997-08-06
BR9700838A (pt) 1998-07-07
ATE214761T1 (de) 2002-04-15

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