EP2072153A1 - Dispositif d'application - Google Patents

Dispositif d'application Download PDF

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Publication number
EP2072153A1
EP2072153A1 EP08105964A EP08105964A EP2072153A1 EP 2072153 A1 EP2072153 A1 EP 2072153A1 EP 08105964 A EP08105964 A EP 08105964A EP 08105964 A EP08105964 A EP 08105964A EP 2072153 A1 EP2072153 A1 EP 2072153A1
Authority
EP
European Patent Office
Prior art keywords
coating
applicator according
collecting device
unit
medium
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.)
Withdrawn
Application number
EP08105964A
Other languages
German (de)
English (en)
Inventor
Horst Kaipf
Günter Gerling
Oßwald Satzger
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
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2072153A1 publication Critical patent/EP2072153A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material

Definitions

  • the invention relates to an applicator for direct or indirect application of a liquid to pasty medium, such as coating color, on a running paper, cardboard, or other fibrous web with a matched to the width of the fibrous web to be coated application unit, which the application medium at direct order the continuous fibrous web and, in the case of indirect application, delivers to a transfer element which subsequently transfers the application medium to the fibrous web and with a receiving channel adapted to the width of the application aggregate, the substances such as excess, scraped off and / or sprayed application medium and / or shreds of the fibrous web a web break absorbs.
  • Such collecting or return channels are well known in the art. The cleaning of such a channel is currently done manually and is very time consuming and power consuming. In particular, after a web break the channel is contaminated with shreds of the fibrous web, which is why the cleaning must be done very intensively and therefore means a high cleaning effort.
  • an applicator device which have a protective device for protection against running machine parts and impurities and a cleaning device.
  • Protective device and cleaning device form a structural unit.
  • the collecting channel belonging to the application device can only be cleaned very incompletely with the described structural unit.
  • the object of the invention is achieved in that means are provided with which collected substances or impurities are automatically removed from the gutter.
  • the gutter is provided with at least one and at least one discharge opening forming flap.
  • the flap or the discharge opening extends at least partially over the length of the collecting channel. This ensures that the channel is freed from the collected substances even at low inclination at almost all points, ie without dead centers.
  • the collected substances can fall down through the opening and be fed to a large receptacle or shredder.
  • a possible embodiment may be that the flap is attached to at least one of the two lateral end faces of the gutter. As a result, the substances can be discharged faster to the outside. In addition, this variant is low in flat design of the machine.
  • Another possibility of arranging the flap may be to arrange the flap in the middle of a collecting trough inclined towards the center. This construction is particularly suitable for narrower machines.
  • the gutter is rotatable from its catching position to a dispensing position.
  • one of said means can also consist in that the collecting channel is provided with a return pipe into which a shredder for shredding the collected substances is installed.
  • a separate cleaning device to the gutter.
  • a cleaning device a known per se high-pressure cleaning device offers. This can preferably work with water, to which, if desired, a cleaning agent can be added.
  • the collecting channel is assigned at least one detection device for detecting the state or level of the gutter.
  • the detection device is also connected to an evaluation and setting unit in connection.
  • the actuating unit then triggers an actuation of the said means, that is, for example, the flap or flaps, of the chopper and / or the high-pressure cleaning device.
  • the at least one detection device can be permanently installed.
  • these can be distributed uniformly over the length of the collecting channel.
  • the at least one detection device can be moved in the longitudinal direction of the collecting channel in order to ensure as complete a detection as possible.
  • An advantage of the device according to the invention is that that the application of said means substantially during the normal coating operation is feasible. So you would not overturn the catcher, especially a trough-like part, make it during coating operation, but the operation of the flaps, shredders, cleaning equipment is easily possible.
  • the cleaning cycle starts by interrupting the normal flow of application fluid into the so-called paint system. Thereafter, the cleaning cycle can take place. Then the feed to the color system is opened again.
  • the device according to the invention a cleaning and keeping clean the gutter of the application device automatically possible without much effort. Especially after a web break, where the gutter is heavily contaminated with shreds of the fibrous web, the cleaning effort is significantly lower than before.
  • FIG. 1 an applicator 1 in the form of a film press is shown.
  • the application device 1 consists of two rollers 2 and 3 which are set against each other, form together a nip 4, which passes through the fibrous web 5 to be coated and in which it receives on the rollers 2 and 3 or only one of them, applied application medium M.
  • Each applicator roll 2 and 3 is assigned its own order aggregate.
  • the application unit 6 In coating operation, as in the left part of the FIG. 1 shown, the application unit 6 is in use and coated the first web page 5a. For this purpose, the application unit 6 is employed against the roller 2.
  • the right side of the FIG. 1 shows a non-active application unit 7, which is swiveled away from the roller 3, because this side of the web 5b is not to be coated in the example.
  • a respective collecting gutter 8 and 8 ' arranged below the application aggregates 6 and 7. It consists in the example each of a Farbleitblech 8.1 or 8.1 'and a trough-like collecting part 8.2 and 8.2', which scraps beauakeltes and / or sprayed medium M, and scraps of the fibrous web at a web break.
  • a Farbleitblech 8.1 or 8.1 'and a trough-like collecting part 8.2 and 8.2' which scraps beauttes and / or sprayed medium M, and scraps of the fibrous web at a web break.
  • the collecting device 8 ' is pivoted on the right half of the picture. This position can take the catcher 8 'even if it is to be freed from contaminants or substances that it has previously collected.
  • This cleaning work is very time and power consuming, as they are performed manually by the cleaning staff.
  • the collected substances normally flow laterally from existing outlets 10a. Often, however, these substances do not flow voluntarily, because they are mixed with pieces of paper, for example, or the like.
  • one of said means 9 may consist in that the collecting device 8, 8 'has at least one additional discharge opening 10b, which is provided with at least one flap 11 opening the discharge opening 10b.
  • FIG. 2 shows the longitudinal side of the collecting device 8 (this is arranged transversely to the direction of the fibrous web) is shown.
  • a first embodiment can be present on both end faces of the collecting device 8 and 8 ', in particular on the trough-like collecting part 8.2 flaps.
  • the flap 11 may be as shown, on both end sides, but also only on one of the two end faces.
  • the flap 11 can also be arranged at the lowest point of the trough-like collecting part 8.2 and preferably centrally. At least it should sometimes extend over the length of the catcher 8 or 8 '. It is advantageous if the flap can be opened over the entire length, because thereby eliminating the largest amount of collected substances and also the fastest.
  • the means 9 may be that the collecting device 8, in particular the trough-like collecting part 8.2 thereof, is pivotable from its collecting position into a dispensing position. This possibility corresponds to the one in FIG. 1 shown right half of the picture.
  • FIG. 3 a further embodiment of the means to be applied 9 is shown.
  • the means 9 consists here in that the collecting device 8 is additionally provided with a discharge nozzle 12, in which a chopper 13 is installed for crushing the substances to be discharged. It is understood that the chopper 13 can also be arranged at a different location, for example at the additional Abtechnologyö Maschinenen.10b.
  • a cleaning device 14 a high-pressure device is provided, which preferably emits cleaning jets 15 in the form of water jets for dissolving and rinsing off the impurities. If desired, a detergent can be added to the water.
  • FIG. 1 In order that the application of the described means 9 can be regulated or automated, is in FIG. 1 also a control circuit 16 with drawn.
  • At least one detection device 17 for detecting the state or filling level of the collecting device 8 is integrated into the control loop 16.
  • the detection device 17 is connected to an evaluation and control unit 18 in connection, which then depending on the detection result, an actuation of said means - ie, for example, tip over the receiving device 8.2, actuation of the flaps 11 and / or the chopper 13 triggers.
  • the at least one detection device 17 may be present once or several times, be permanently installed or be movable in the longitudinal direction of the collecting device 8.
  • the traversing can be done by means of a carriage.
  • the application of funds 9 is not limited to those in FIG. 1 shown, but also in connection with all other known applicators, such as curtain applicators, free-jet nozzles, nozzle applicators, roller applicators, etc. can be used.

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  • Paper (AREA)
EP08105964A 2007-12-20 2008-12-10 Dispositif d'application Withdrawn EP2072153A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710055891 DE102007055891A1 (de) 2007-12-20 2007-12-20 Auftragsvorrichtung

Publications (1)

Publication Number Publication Date
EP2072153A1 true EP2072153A1 (fr) 2009-06-24

Family

ID=40429986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105964A Withdrawn EP2072153A1 (fr) 2007-12-20 2008-12-10 Dispositif d'application

Country Status (2)

Country Link
EP (1) EP2072153A1 (fr)
DE (1) DE102007055891A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2258901A1 (fr) * 2009-05-14 2010-12-08 Voith Patent GmbH Dispositif de couchage

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0910634A (ja) * 1995-06-28 1997-01-14 Kikusui Kagaku Kogyo Kk 建築物表面仕上げ用シートの製造方法および製造装置
DE19733333A1 (de) * 1997-08-01 1999-02-04 Voith Sulzer Papiermasch Gmbh Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton
JP2000157913A (ja) * 1998-11-25 2000-06-13 Kyokuto Sanki Co Ltd 壁紙糊付機の糊箱洗浄用へら
JP2002301419A (ja) * 2001-04-06 2002-10-15 Mitsubishi Heavy Ind Ltd ブレードコータおよび塗工液の回収方法
EP1348549A1 (fr) * 2002-03-28 2003-10-01 Heidelberger Druckmaschinen Aktiengesellschaft Rouleau d'application avec une enveloppe
DE10238728A1 (de) 2002-08-23 2004-03-04 Voith Paper Patent Gmbh Auftragswerk
US20040071883A1 (en) * 2002-05-29 2004-04-15 Fuji Photo Film Co., Ltd. Method and apparatus for coating thin film
EP1595601A2 (fr) * 2004-05-13 2005-11-16 Voith Paper Patent GmbH Dispositif d'application d'un matériau liquide ou pâteux sur un ou deux côtés d'un bande en mouvement
EP1607521A1 (fr) * 2004-06-17 2005-12-21 Voith Paper Patent GmbH Applicateur
DE60017792T2 (de) * 1999-12-15 2006-03-30 UMV Coating AB Verfahren und vorrichtung zur beschichtung von einer sich bewegenden bahn
DE102004047239A1 (de) * 2004-09-29 2006-04-13 Voith Paper Patent Gmbh Auftragsvorrichtung

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0910634A (ja) * 1995-06-28 1997-01-14 Kikusui Kagaku Kogyo Kk 建築物表面仕上げ用シートの製造方法および製造装置
DE19733333A1 (de) * 1997-08-01 1999-02-04 Voith Sulzer Papiermasch Gmbh Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton
JP2000157913A (ja) * 1998-11-25 2000-06-13 Kyokuto Sanki Co Ltd 壁紙糊付機の糊箱洗浄用へら
DE60017792T2 (de) * 1999-12-15 2006-03-30 UMV Coating AB Verfahren und vorrichtung zur beschichtung von einer sich bewegenden bahn
JP2002301419A (ja) * 2001-04-06 2002-10-15 Mitsubishi Heavy Ind Ltd ブレードコータおよび塗工液の回収方法
EP1348549A1 (fr) * 2002-03-28 2003-10-01 Heidelberger Druckmaschinen Aktiengesellschaft Rouleau d'application avec une enveloppe
US20040071883A1 (en) * 2002-05-29 2004-04-15 Fuji Photo Film Co., Ltd. Method and apparatus for coating thin film
DE10238728A1 (de) 2002-08-23 2004-03-04 Voith Paper Patent Gmbh Auftragswerk
EP1595601A2 (fr) * 2004-05-13 2005-11-16 Voith Paper Patent GmbH Dispositif d'application d'un matériau liquide ou pâteux sur un ou deux côtés d'un bande en mouvement
EP1607521A1 (fr) * 2004-06-17 2005-12-21 Voith Paper Patent GmbH Applicateur
DE102004047239A1 (de) * 2004-09-29 2006-04-13 Voith Paper Patent Gmbh Auftragsvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2258901A1 (fr) * 2009-05-14 2010-12-08 Voith Patent GmbH Dispositif de couchage

Also Published As

Publication number Publication date
DE102007055891A1 (de) 2009-06-25

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