EP1896191B1 - Dispositif de dosage et/ou de mise a niveau - Google Patents

Dispositif de dosage et/ou de mise a niveau Download PDF

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Publication number
EP1896191B1
EP1896191B1 EP06724880A EP06724880A EP1896191B1 EP 1896191 B1 EP1896191 B1 EP 1896191B1 EP 06724880 A EP06724880 A EP 06724880A EP 06724880 A EP06724880 A EP 06724880A EP 1896191 B1 EP1896191 B1 EP 1896191B1
Authority
EP
European Patent Office
Prior art keywords
retaining
bar
hose
doctor
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.)
Active
Application number
EP06724880A
Other languages
German (de)
English (en)
Other versions
EP1896191A1 (fr
Inventor
Jochen Meinel
Franz Fischer
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
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Voith Patent GmbH
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Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1896191A1 publication Critical patent/EP1896191A1/fr
Application granted granted Critical
Publication of EP1896191B1 publication Critical patent/EP1896191B1/fr
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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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
    • 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
    • D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades

Definitions

  • the invention relates to a device for metering and / or leveling a liquid applied to a running surface medium to medium, wherein the surface for direct application of the medium, a paper, cardboard or other fibrous web and indirect application, the surface of a transfer element, for example a Application roller is which transfers the application medium to the surface of the fibrous web.
  • the device comprises a holding body for receiving a doctor element and a pressure element, wherein the holding body is employed against the running surface and the pressure element presses the doctor element at its head against the running surface for the purpose of metering and / or leveling of the applied medium.
  • the device further comprises a compressible and thus a hub exporting clamping hose, which presses the squeegee element at its foot against a support strip of the holding body while pressurizing and thereby clamps and releases the squeegee element in pressure release.
  • a doctor blade or a doctor blade attached to a blade can form the doctor element and thus, as already explained above, this blade can be clamped into the doctor blade holder with the clamping hose.
  • the clamping tube is inserted in a groove.
  • the groove itself is either incorporated directly into the doctor blade holder or there is a bar, which in turn is firmly connected to the doctor blade holder and in this bar, the groove is recessed.
  • a disadvantage of these embodiments is that on the one hand, the doctor blade holder thereby has a relatively complicated shape, which is accordingly only consuming to produce and on the other is disadvantageous that the clamping hose must remain in the cleaning of the device in the doctor blade holder. Otherwise, all adjacent device components would have to be removed individually, which means an enormous amount of time and thus downtime or production failure.
  • the stroke of the clamping tube is chosen to be large.
  • the groove must be dimensioned correspondingly large, whereby this is better accessible for service and cleaning purposes, but for the doctor blade or the doctor blade is poorly guided when pulling into the device.
  • the blade is due to the larger space available at its footboard at an angle and can thus damage the terminal tube by cuts or the like with his foot, so that its function is no longer fair.
  • the invention is therefore based on the object to provide an improved apparatus for metering and / or leveling, with which the disadvantages of the prior art can be avoided.
  • the invention provides that an additional retaining strip for receiving the clamping tube is arranged.
  • the retaining strip is received in a groove of the holding body and arranged parallel to the support strip.
  • the retaining strip is attached or detachably arranged in such a way that, together with the clamping tube inserted in it, it can be easily removed from the device, cleaned or exchanged and reinserted.
  • a hose change much faster and easier than previously possible and only takes about 2min.
  • the retaining strip is provided to the support strip or to the clamped doctor element, with projections which protrude beyond the minimum stroke of the inserted in the groove of the retaining strip clamping tube.
  • squeegee element in the context of the invention is intended to mean a very thin and sharp-edged doctor blade, but also such a flexible blade element, on which a squeegee rod mounted in a squeegee bed is placed.
  • the doctor bed has a molded baseboard and the foot part is clamped in the blade holder to be understood.
  • An advantage of the invention is to be considered that the retaining strip including the pressurizable or compressed air compressed hose in a simple manner completely by hand from the holding body laterally or upwardly pulled out or can be inserted. It is understood that when removing or inserting the clamping hose is vented.
  • the cleaning effort can be reduced if the retaining strip made of plastic or at least partially coated with a dirt-repellent material, such as Teflon.
  • a retaining strip made of plastic is lightweight and therefore particularly easy to handle.
  • An expedient solution may be that the retaining strip is held in the holder body via an inflatable tensioning tube likewise embedded in it.
  • connection with the holding body can also be made via a positive connection, for example by hooking, pinching or insertion, beispielseise training according to the principle groove / spring.
  • the removal from or separation from the holding body is thereby very simple.
  • the retaining strip can be made of a flexible or a rigid material.
  • a further advantageous solution is that the clamping hose has only a small stroke or stroke. As a result, the space required is smaller. Also, the hose itself is less unstable with a smaller stroke, but also the doctor element or the blade can be performed better in the holder.
  • All components of the device 1 shown in section for metering and / or leveling a liquid to pasty medium M applied to a running surface 2 extend over the full width of the device, which in turn corresponds at least to the web width of the fibrous web to be treated.
  • the running surface 2 is the direct application of the medium, such as coating color, glue, starch, a paper, cardboard or other fibrous web and indirect application, the surface of a transfer element, such as an applicator roll, wherein the transfer element the application medium to the surface of the fibrous web transfers.
  • the medium such as coating color, glue, starch, a paper, cardboard or other fibrous web
  • a transfer element such as an applicator roll
  • FIG. 1 illustrated device 1 has a holding body 3 (also as Squeegee bar or support body markable).
  • This holding body 3 serves to receive a squeegee element 4 and a pressing element 5, wherein the holding body 3 is employed against the surface 2 running in the running direction L.
  • the pressure element 5 is a hose acted upon with compressed air, which presses the doctor element 4 against the running surface 2 at its head part 4.1 for the purpose of metering and / or leveling of the previously applied medium M.
  • the size of the contact pressure in the direction of arrow F of the doctor element 4 is selected.
  • the device 1 further comprises a pressurizable and thus a hub exporting second hose, namely a clamping hose 7, which presses in the inflated state, so under pressure the doctor element 4 at its foot 4.2 against a support bar 8 or stop of the holding body 3. As a result, the doctor element 4 or the blade is clamped. When pressure is released, the doctor element 4 is released and can be removed or replaced.
  • an additional retaining strip 9 is embedded in the holding body 3.
  • the retaining strip 9 is inserted into a groove 10 and easily pulled out of this. As in FIG. 2 shown, after pulling out of the retaining strip 9 enough space for cleaning purposes of the doctor blade holder and the groove 10 is available.
  • the retaining strip itself takes in a trapezoidally shaped groove 11 (instead of previously the holding body 3 and the doctor bar) on the clamping tube 7, as in FIGS. 1 and 3 you can see.
  • the retaining strip 9 is arranged parallel or behind the support strip 8 so that in the inflated state of the located in the retaining strip 9 Clamping hose 7 ( FIG. 1 ) the doctor element 4 is stuck in the holding body.
  • the clamping tube 7 is not damaged when pulling into the device 1 or pulling the doctor element 4 from the device 1 of the blade bottom 4.3, the retaining strip 9, starting from its groove 11 on both sides, the doctor element or blade 4 and the support bar 8 out pointing projections 12.
  • These projections, but at least the lower projection 12 projects beyond the minimum stroke w of the clamping hose 7 by a distance a (about 1.5 mm). This also ensures a small gap s (about 3 mm) to the support strip 8. This ensures that a new blade 4 is better guided when pulling into the device or or a worn or damaged blade 4 when pulling out of the device. It is advantageous that this blade 4 abuts at least on this lower projection 12, instead of as previously contact the terminal tube 7 and damage.
  • the blade 4 therefore takes in unencumbered clamping hose 7 - that is, when pulling or pulling them out (see FIG. 3 ) a little oblique and almost vertical position, as in FIG. 3 shown with dash-dotted line.
  • a commercially available nose tube consisting of rubber, or rubber-reinforced material, or silicone or natural rubber or the like is shown. But it could also be a commercially available profile hose (such as the Anpressschlauch 5) or a commercially available round hose (as the tension hose 13) are used.
  • the retaining strip 9 with a tension hose 13 or by a positive connection 14 (see FIG. 5 ), for example, by Ein Franceeile, clips, or sliding elements such as a tongue and groove connection and the like.
  • a tension hose 13 see FIG. 4
  • a positive connection 14 see FIG. 5
  • Ein Franceeile, clips, or sliding elements such as a tongue and groove connection and the like.
  • On the holding body 3 can be detachably attached. These connections shown are easily solvable and thus also allow a quick replaceability of the retaining strip 3 with embedded clamping tube. 7

Landscapes

  • Coating Apparatus (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (6)

  1. Dispositif (1) de dosage et/ou de mise à niveau d'un fluide liquide ou pâteux déposé sur une surface mobile, dans lequel la surface (2) est une bande de papier, de carton ou d'une autre matière fibreuse en cas de dépôt direct du fluide ou la surface d'un élément de transfert, par exemple d'un rouleau d'enduction, qui transfère le fluide d'enduction sur la surface de la bande de matière fibreuse en cas de dépôt indirect, comprenant:
    un corps de maintien (3) destiné à recevoir un élément de racle (4) et un élément de pression (5), dans lequel le corps de maintien (3) est posé contre la surface mobile (2) et l'élément de pression (5) pousse l'élément de racle (4), par sa partie de tête (4.1), contre la surface mobile (2) en vue du dosage et/ou de la mise à niveau du fluide déposé,
    un tuyau de blocage souple (7), pouvant être mis sous pression et effectuant de ce fait une course de levée (w) qui, lorsqu'il est mis sous pression, presse l'élément de racle (4) par sa partie de pied (4.2) et le serre ainsi contre une barre d'appui (8) du corps de maintien (3) et libère l'élément de racle (4) lors de la détente de la pression,
    caractérisé en ce qu'il est prévu une barre de maintien supplémentaire (9) destinée à recevoir le tuyau de blocage souple (7), qui est disposée parallèlement à la barre d'appui (8) et est logée de manière séparable dans le corps de maintien (3) et dans lequel la barre de maintien (9) présente au moins une saillie (12) en direction de la barre d'appui (8), qui est saillante d'une distance (a) au-delà de la course de levée minimale (w) du tuyau de blocage souple (7), de telle manière qu'il subsiste une fente (s) par rapport à la barre d'appui (8).
  2. Dispositif selon la revendication 1, caractérisé en ce que la barre de maintien (9) peut être extraite et insérée dans le corps de maintien (3) ensemble avec le tuyau de blocage souple (7).
  3. Dispositif selon la revendication 1 et 2, caractérisé en ce que la barre de maintien (9) est fabriquée en matière synthétique ou est revêtue au moins partiellement d'une matière résistant à l'encrassement, telle que le Téflon.
  4. Dispositif selon une revendication 1 à 3, caractérisé en ce que la barre de maintien (9) est assemblée de manière séparable au corps de maintien (3) au moyen d'un tuyau de serrage souple (13) ou au moyen d'un assemblage en complémentarité de forme (14), par exemple par suspension, pincement, insertion ou analogue.
  5. Dispositif selon une revendication 1 à 4, caractérisé en ce que la barre de maintien (9) est fabriquée en une matière flexible ou rigide.
  6. Dispositif selon la revendication 5, caractérisé en ce que le tuyau de blocage souple (7) est un tuyau souple du commerce, de forme ronde, profilée ou lobée, composé de caoutchouc, ou de matière renforcée au caoutchouc, ou de silicone ou de caoutchouc naturel ou analogue, et ne présente qu'une faible levée ou course de levée (w).
EP06724880A 2005-06-23 2006-02-24 Dispositif de dosage et/ou de mise a niveau Active EP1896191B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005029613A DE102005029613A1 (de) 2005-06-23 2005-06-23 Vorrichtung zur Dosierung und/oder Egalisierung
PCT/EP2006/060247 WO2006136463A1 (fr) 2005-06-23 2006-02-24 Dispositif de dosage et/ou de mise a niveau

Publications (2)

Publication Number Publication Date
EP1896191A1 EP1896191A1 (fr) 2008-03-12
EP1896191B1 true EP1896191B1 (fr) 2008-10-29

Family

ID=36293676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06724880A Active EP1896191B1 (fr) 2005-06-23 2006-02-24 Dispositif de dosage et/ou de mise a niveau

Country Status (7)

Country Link
US (1) US20080105196A1 (fr)
EP (1) EP1896191B1 (fr)
JP (1) JP2008543549A (fr)
AT (1) ATE412472T1 (fr)
BR (1) BRPI0613252B1 (fr)
DE (2) DE102005029613A1 (fr)
WO (1) WO2006136463A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004029565A1 (de) * 2004-06-18 2006-01-05 Voith Paper Patent Gmbh Rakelvorrichtung
DE202013105398U1 (de) * 2013-11-27 2013-12-04 Metso Paper, Inc. Vorrichtung zum Halten eines Rakelelements

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529315A (en) * 1969-01-27 1970-09-22 Lodding Engineering Corp Doctor blade holder
AT319734B (de) * 1971-10-13 1975-01-10 Feldmuehle Anlagen Prod Vorr zum streichen von bahnfoermigem gut
US3882817A (en) * 1974-01-11 1975-05-13 Black Clawson Co Doctor Blade Assembly
US4354452A (en) * 1981-04-21 1982-10-19 Consolidated Papers, Inc. Expandable edge dam assembly for paper coating apparatus
FI71081C (fi) * 1984-05-11 1986-11-24 Waertsilae Oy Ab Bestrykningsanordning
FI72364C (fi) * 1984-06-29 1987-05-11 Waertsilae Oy Ab Skavare foer pappersbelaeggningsanordning.
DE3729621A1 (de) * 1987-09-04 1989-03-16 Jagenberg Ag Vorrichtung zum beschichten einer um eine gegenwalze gefuehrten materialbahn
US4859507A (en) * 1987-12-02 1989-08-22 Consolidated Papers, Inc. High speed paper coaters
DE3934418A1 (de) * 1989-10-14 1991-04-18 Voith Gmbh J M Rakel
DE9109785U1 (de) * 1991-08-07 1992-09-17 J.M. Voith Gmbh, 7920 Heidenheim Rakelvorrichtung mit Rakelbalken
FI90575C (fi) * 1992-01-30 1994-02-25 Valmet Paper Machinery Inc Laite liimapuristimessa
DE4309002A1 (de) * 1993-03-20 1994-09-22 Voith Gmbh J M Dosiereinrichtung zur Beschichtung laufender Bahnen, vorzugsweise aus Papier oder Karton
FI94269C (fi) * 1993-04-16 1995-08-10 Valmet Paper Machinery Inc Menetelmä ja sovitelma kaavinterän kuormittamiseksi
DE4327544C1 (de) * 1993-07-10 1995-01-19 Voith Gmbh J M Dosiersystem
US5336189A (en) * 1993-08-23 1994-08-09 Sealfon Andrew I Combination IV pump and disposable syringe
DE4414949A1 (de) * 1994-04-28 1995-11-02 Voith Gmbh J M Vorrichtung zum Auftragen von mindestens einem flüssigen Medium auf eine laufende Materialbahn
DE4433048A1 (de) * 1994-09-16 1996-03-21 Tzn Forschung & Entwicklung Verfahren und Vorrichtung zum kontinuierlichen Aufbringen einer Beschichtung auf eine Materialbahn
EP0761877A3 (fr) * 1995-09-06 1997-06-25 Voith Sulzer Papiermasch Gmbh Dispositif d'application directe ou indirecte de matériau fluide ou pâteux sur une bande en mouvement, en particulier de papier ou carton
US5738724A (en) * 1996-08-06 1998-04-14 Westvaco Corporation Actuator assembly for coater blade load adjustment
DE19731947A1 (de) * 1997-07-24 1999-01-28 Voith Sulzer Papiermasch Gmbh Verfahren zum Steuern bzw. Regeln einer Vorrichtung zum Auftragen eines flüssigen oder pastösen Mediums auf eine Gegenfläche
US6106619A (en) * 1998-03-25 2000-08-22 Voith Sulzer Paper Technology North America, Inc. Thermally compensated coater rod
US5968269A (en) * 1998-10-21 1999-10-19 Voith Sulzer Paper Technology Noth America, Inc. Coater with multi-part and multi-use profile bar assembly
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FI109042B (fi) * 2000-09-29 2002-05-15 Metso Paper Inc Kaapimen tukilista
JP2002239431A (ja) * 2001-02-13 2002-08-27 Mitsubishi Heavy Ind Ltd 塗工装置及び塗工紙の製造方法
ATE301006T1 (de) * 2002-03-13 2005-08-15 Horst Sprenger Gmbh Rakel-dosiersystem
US6649880B2 (en) * 2002-03-25 2003-11-18 Steven Yue Heating roller device with a heating element disposed in a roller body
AU2003298932A1 (en) * 2002-12-06 2004-06-30 Stora Enso North America Corp. Shart dwell coater using sonic rods

Also Published As

Publication number Publication date
ATE412472T1 (de) 2008-11-15
BRPI0613252B1 (pt) 2018-08-14
DE102005029613A1 (de) 2007-01-04
WO2006136463A1 (fr) 2006-12-28
US20080105196A1 (en) 2008-05-08
EP1896191A1 (fr) 2008-03-12
DE502006001951D1 (de) 2008-12-11
BRPI0613252A2 (pt) 2010-12-28
JP2008543549A (ja) 2008-12-04

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