EP0556365B1 - Vorrichtung zum beschichten einer um eine gegenwalze geführten materialbahn, insbesondere einer papier- oder kartonbahn - Google Patents

Vorrichtung zum beschichten einer um eine gegenwalze geführten materialbahn, insbesondere einer papier- oder kartonbahn Download PDF

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Publication number
EP0556365B1
EP0556365B1 EP92918312A EP92918312A EP0556365B1 EP 0556365 B1 EP0556365 B1 EP 0556365B1 EP 92918312 A EP92918312 A EP 92918312A EP 92918312 A EP92918312 A EP 92918312A EP 0556365 B1 EP0556365 B1 EP 0556365B1
Authority
EP
European Patent Office
Prior art keywords
piston
web
applicator
cylinder unit
working position
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
EP92918312A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0556365A1 (de
Inventor
Heribert Maroszek
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.)
Jagenberg AG
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Jagenberg AG
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Filing date
Publication date
Application filed by Jagenberg AG filed Critical Jagenberg AG
Publication of EP0556365A1 publication Critical patent/EP0556365A1/de
Application granted granted Critical
Publication of EP0556365B1 publication Critical patent/EP0556365B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution

Definitions

  • the invention relates to a device for coating a web of material guided around a counter-roller, in particular a paper or cardboard web, according to the preamble of patent claim 1.
  • Known devices for coating running paper or cardboard webs have an applicator mechanism which can be pivoted to the web in the wrapping area of the counter roll, the coating material, e.g. B. coating color, in excess and in the web running direction behind a metering system with a metering element (z. B. a scraper knife), which doctored the excess to the desired coat weight.
  • the coating material e.g. B. coating color
  • a metering element z. B. a scraper knife
  • the applicator contains an applicator roller that draws from a liquid chamber and is pivotally mounted on the counter roller. In the working position, a narrow gap (application gap) between the application roller and the counter roller remains free, which is completely filled by the applied coating color.
  • the application unit can be used for maintenance, e.g. B. for cleaning, be pivoted into a maintenance position.
  • the metering system contains a scraper bar pivotably mounted in the direction of the counter roller with a scraper knife as a metering element, which can be pressed against the web supported by the counter roller at a preselected angle for metering the weight of the coat weight.
  • the scraper bar with the metering element can also be pivoted into a maintenance position, e.g. B. to replace the scraper knife.
  • the invention has for its object to provide a generic coating device in which the applicator and / or Dosing system both very quickly and precisely in the working position on the counter roller and can be swung out of it again.
  • the applicator and / or the metering system are first pivoted into an intermediate position by a first pneumatic or hydraulic (piston) cylinder unit when pivoting on the way from the maintenance position into the working position.
  • a first pneumatic or hydraulic (piston) cylinder unit In the intermediate position, the application element or the metering element is as small as possible, but a sufficiently large distance from the counter roller so that no application or metering is carried out.
  • a second hydraulic piston-cylinder unit is able to act in the area between the working position and the intermediate position opposite to the first piston-cylinder unit, that is to say to push it away from the counter roller.
  • the applicator or dosing system To quickly swivel the counter-pressure of the second piston-cylinder unit, the applicator or dosing system initially holds the intermediate position against the pressing force of the first piston-cylinder unit, by moving back the second piston-cylinder unit, the applicator or dosing system becomes very much quickly swung into the working position, the first piston-cylinder unit acting as a tensioned spring.
  • the distance to the counter roller in the working position can be precisely defined using an adjustable stop that presses the piston of the second piston-cylinder unit into the retracted end position.
  • the piston presses against the adjustable stop and thus against the effect of the restraining force of the first piston-cylinder unit, which is therefore set considerably less than the force of the second piston-cylinder unit.
  • the pivoting into the maintenance position takes place either on the basis of the dead weight of the applicator or metering system or by the first piston-cylinder unit pulling or pushing in the direction away from the counter roller.
  • a driven counter-roller 2 extends over the working width and is partially wrapped in the material web 3, in the example a paper or cardboard web.
  • an applicator unit 4 is mounted with an applicator roller 6, which draws from a liquid chamber 5, as an application element on side pivot arms 7 and can be pivoted up and down.
  • the swivel mechanism of the applicator 4 is shown on its own:
  • a second hydraulic piston-cylinder unit 10 is fastened parallel to the first piston-cylinder unit 9, that is also approximately vertically. Your piston presses upwards against a stop 11 fastened to the frame 1, the distance of which from the piston is adjustable. When extending, the piston 10 presses against the stop 11 and thus the swivel arm 7 with the applicator 4 downward from the counter roller 2.
  • the stroke of the second piston-cylinder unit 10 and its distance from the stop 11 is chosen so that the applicator roller 6 assumes its working position when the piston-cylinder unit 9 has pulled the swivel arm 7 upwards so far that the retracted piston Piston-cylinder unit 10 abuts the stop 11.
  • the working position can be adjusted very precisely with the height-adjustable stop 11.
  • the application roller 6 is in an intermediate position in which no more coating color is applied to the web 3. In the intermediate position, it is either held by the first piston-cylinder unit 9 or lowered to the maintenance position, in which it and the liquid chamber 5 are easily accessible for maintenance work.
  • a metering system 12 is mounted in gesture 1 in the direction of the counter roll 1, the basic structure of which is shown in FIG. 3 on its own:
  • a swivel arm 13 is supported on each side of the device so that it can be swiveled up and down about the axis 14.
  • the swivel arms 13 carry an arm that extends over the working width Scraper bar 15, on which a metering element, in the present example a scraper knife 16, is fastened with its foot in a clamping strip 17.
  • the scraper bar 15 can be pivoted relative to the swivel arms 13 in order to adjust the angle between the scraper knife 16 and the tangent to the counter roller 2.
  • Such metering systems are known and z. B. described in DE 28 25 907-A1.
  • each swivel arm 13 is connected to a pneumatic bellows cylinder 18 which is supported on the gesture 1.
  • an adjustable stop 19 is fastened to the swivel arm 13 which, when the swivel arms 13 are swiveled up, that is to say when the metering system 12 swings against the counter-roller 2, against the piston of a hydraulic piston-cylinder unit 20 fastened in the gesture 1 is moved.
  • the piston-cylinder unit 20 is arranged approximately horizontally, so that its piston presses the scraper bar 15 with the scraper knife 16 approximately radially away from the counter-roller 2 when it is extended.
  • the stroke of the piston-cylinder unit 20 and its position relative to the stop 19 is chosen so that the piston in the retracted position - as shown in FIGS. 3 and 4 - in cooperation with the adjustable stop 19 defines the working position at which Scraper knife 16 abuts web 3.
  • the metering system 12 is in an intermediate position with a sufficient distance of the doctor knife 16 from the counter-roller 2, so that even thickened adhesive spots can easily pass through from a web splice. This position is shown in Fig. 5.
  • the dosing system 12 can be lowered further from the intermediate position by means of the bellows cylinder 18 into a maintenance position, which is shown in FIG. 6.
  • the maintenance position the metering system 12 is easily accessible, so that, for. B. the scraper knife 12 can be replaced. In this position, a new web 3 can also be pulled in without any problems.
  • doctor knife 16 instead of a doctor knife 16, other metering elements, for. B. a doctor rod or a doctor blade can be used.
  • the applicator 4 and the metering system 12 When the device is started, the applicator 4 and the metering system 12, after the web 3 has been drawn in in the maintenance positions (FIG. 6), are first pivoted up into the intermediate positions by means of the piston-cylinder unit 9 and the bellows cylinder 18.
  • the pistons of the piston-cylinder units 10, 20 extended into their end positions stop the movements of the swivel arms 7, 13 in the intermediate position.
  • the stops 11, 19 are so finely adjusted that when the pistons of the piston-cylinder units 10, 20 are then retracted, the applicator 4 and the metering system 12 move into the respective working position.
  • the pivoting against the counter roller 2 in the respective working position takes place in a time-coordinated and precise manner in such a way that neither an undosed ink film is applied nor the scraper knife 16 abuts the still uncoated web 3 for a very short time; d. H. the doctor blade 16 is either pivoted simultaneously with the applicator roller 6 to the counter roller 2 or with a short interval beforehand.
  • the application roller 6 is first pressed at lightning speed by the piston-cylinder unit 10 into the intermediate position, immediately afterwards the piston-cylinder unit 20 presses the metering element 16 also very quickly from the working to the intermediate position. These two movements are also coordinated in such a way that no undosed ink film is produced and the scraper knife 6 only bears against the uncoated web 3 for such a short time that no damage to the scraper knife 16 occurs.
  • the applicator unit 4 and the metering system 12 are again pivoted to the counter-roller 2 in the respective working positions in the manner described above.
  • the device according to the invention has the further great advantage that the positioning in the working positions is not carried out exclusively with the cylinder units 18 or 9.
  • the retracting pistons of the piston-cylinder units 20, 10 on both sides guide the swivel arms 13, 7 with adjustable speed exactly and on both sides evenly without tilting the scraper bar 15 or the applicator roller 6 in the respective working position. These can be adjusted easily and very precisely with the stops 19, 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coating Apparatus (AREA)
  • Replacement Of Web Rolls (AREA)
  • Paper (AREA)
  • Catalysts (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Lubricants (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP92918312A 1991-09-11 1992-09-03 Vorrichtung zum beschichten einer um eine gegenwalze geführten materialbahn, insbesondere einer papier- oder kartonbahn Expired - Lifetime EP0556365B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4130118 1991-09-11
DE4130118A DE4130118C2 (de) 1991-09-11 1991-09-11 Vorrichtung zum Beschichten einer um eine Gegenwalze geführten Materialbahn, insbesondere einer Papier- oder Kartonbahn
PCT/EP1992/002031 WO1993005223A1 (de) 1991-09-11 1992-09-03 Vorrichtung zum beschichten einer um eine gegenwalze geführten materialbahn, insbesondere einer papier- oder kartonbahn

Publications (2)

Publication Number Publication Date
EP0556365A1 EP0556365A1 (de) 1993-08-25
EP0556365B1 true EP0556365B1 (de) 1995-11-02

Family

ID=6440301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92918312A Expired - Lifetime EP0556365B1 (de) 1991-09-11 1992-09-03 Vorrichtung zum beschichten einer um eine gegenwalze geführten materialbahn, insbesondere einer papier- oder kartonbahn

Country Status (10)

Country Link
US (1) US5460119A (fi)
EP (1) EP0556365B1 (fi)
JP (1) JPH06501647A (fi)
AT (1) ATE129759T1 (fi)
BR (1) BR9205389A (fi)
CA (1) CA2094592A1 (fi)
DE (2) DE4130118C2 (fi)
ES (1) ES2081625T3 (fi)
FI (1) FI104330B1 (fi)
WO (1) WO1993005223A1 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19603861C1 (de) 1996-02-03 1997-07-31 Jagenberg Papiertech Gmbh Vorrichtung zum Beschichten einer Materialbahn, insbesondere einer Papier- oder Kartonbahn
DE19619250A1 (de) * 1996-05-13 1997-11-20 Voith Sulzer Papiermasch Gmbh Vorrichtung und Verfahren zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton
FI110848B (fi) * 1997-05-20 2003-04-15 Metso Paper Inc Päällystimen paluukaukalo
EP1038017A2 (en) 1997-12-11 2000-09-27 Pangene Corporation The use of consensus sequences for targeted homologous gene isolation and recombination in gene families
DE10030316A1 (de) * 2000-06-27 2002-01-10 Buerkle Gmbh Robert Auftragsvorrichtung zum Aufbringen von Flüssigkeiten auf plattförmige Werkstücke
JP4711495B2 (ja) 2000-08-08 2011-06-29 スリーエム イノベイティブ プロパティズ カンパニー 塗布装置
US6818065B2 (en) * 2001-06-25 2004-11-16 Ppg Industries Ohio, Inc. Systems, devices and methods for applying solution to filaments
DE102004029290A1 (de) * 2004-06-17 2005-12-29 Voith Paper Patent Gmbh Seitenträgerelement und Auftragswerk für eine Papiermaschine
SE534017C2 (sv) * 2009-08-03 2011-04-05 Kjell Larsson Förfarande och anordning för byte av styckvisa bestrykningselement i en anordning för bestrykning av en pappers- eller kartongbana
US8727253B2 (en) * 2010-03-25 2014-05-20 Jeffrey P. Smith Three roll mill
ITBO20110708A1 (it) * 2011-12-14 2013-06-15 Marchesini Group Spa Apparato per regolare il rilascio di compresse negli alveoli di un nastro termoformato
DE102015225052C5 (de) * 2015-12-14 2020-08-06 Voith Patent Gmbh Streichaggregat

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US3070066A (en) * 1957-08-06 1962-12-25 Time Inc Coating apparatus having blade control means and releasable blade holder
US3070461A (en) * 1958-09-15 1962-12-25 Beloit Iron Works Blade coater assembly and changer
US3363603A (en) * 1965-03-12 1968-01-16 Beloit Corp Flooded nip coater doctor blade and loader therefor
US3678849A (en) * 1970-10-02 1972-07-25 Western Printing Mach Co Doctor blade oscillatable between plate cylinder and ink transfer roll
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US4029833A (en) * 1975-04-11 1977-06-14 Midland-Ross Corporation Web coating apparatus
DE2931800C2 (de) * 1979-08-04 1982-09-02 J.M. Voith Gmbh, 7920 Heidenheim Beschichtungsvorrichtung
US4405661A (en) * 1981-09-10 1983-09-20 Beloit Corporation Blade type fountain coater and method
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Also Published As

Publication number Publication date
WO1993005223A1 (de) 1993-03-18
JPH06501647A (ja) 1994-02-24
FI104330B (fi) 1999-12-31
FI932111A (fi) 1993-05-10
EP0556365A1 (de) 1993-08-25
DE59204198D1 (de) 1995-12-07
BR9205389A (pt) 1994-06-21
DE4130118C2 (de) 1995-04-20
CA2094592A1 (en) 1993-03-12
DE4130118A1 (de) 1993-03-25
ATE129759T1 (de) 1995-11-15
FI932111A0 (fi) 1993-05-10
ES2081625T3 (es) 1996-03-16
FI104330B1 (fi) 1999-12-31
US5460119A (en) 1995-10-24

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