EP0744366A2 - Barre de glissement stationnaire - Google Patents

Barre de glissement stationnaire Download PDF

Info

Publication number
EP0744366A2
EP0744366A2 EP96107713A EP96107713A EP0744366A2 EP 0744366 A2 EP0744366 A2 EP 0744366A2 EP 96107713 A EP96107713 A EP 96107713A EP 96107713 A EP96107713 A EP 96107713A EP 0744366 A2 EP0744366 A2 EP 0744366A2
Authority
EP
European Patent Office
Prior art keywords
slide bar
web
bar according
region
running
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.)
Granted
Application number
EP96107713A
Other languages
German (de)
English (en)
Other versions
EP0744366B1 (fr
EP0744366A3 (fr
Inventor
Kurt Eichinger
Walter Humplstötter
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 Sulzer Papiermaschinen 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 Sulzer Papiermaschinen GmbH filed Critical Voith Sulzer Papiermaschinen GmbH
Publication of EP0744366A2 publication Critical patent/EP0744366A2/fr
Publication of EP0744366A3 publication Critical patent/EP0744366A3/fr
Application granted granted Critical
Publication of EP0744366B1 publication Critical patent/EP0744366B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/34—Apparatus for taking-out curl from webs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/36—Guiding mechanisms
    • D21F1/38—Pads
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/009—Apparatus for glaze-coating paper webs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting

Definitions

  • the invention relates to a stationary slide bar for guiding a running fibrous web, in particular a paper or cardboard web.
  • Sketch No. 300 of document D1 shows a so-called fold spreading strip in the area of a roll cutting machine, which feeds the partial webs to a winding device after the longitudinal cutting of the paper web.
  • FIGS. 3-6 so-called air support beams are known, each consisting of a hollow profile beam, which has a large number of blown air bores on its side facing the paper web.
  • These air-jet bars are usually arranged on the outlet side of a web coater, on the painted side of the web. With considerable effort for the supply of the blown air, it is ensured that the freshly painted and thus still wet side of the paper web never comes into direct contact with the air bar.
  • the object of the present invention is to design a stationary slide bar for guiding a paper or cardboard web in such a way that it can be produced with as little effort as possible and can generally be used without an active air supply.
  • the advantage of these measures is that, on the one hand, the web to be guided can come into contact temporarily or temporarily with the surface of the slide bar, but on the other hand, if the running speed is sufficiently high - thanks to the formation of an aerodynamic lubricating wedge - it is mostly contactless over the convexly rounded surface the slide bar slides.
  • the slide bar according to the invention is therefore suitable for use preferably where a rotatable web guide roller has previously been required. Such guide rollers are not only expensive to manufacture, but also require ongoing maintenance. In contrast, the invention achieves considerable savings.
  • the stationary slide bar according to the invention is lighter in weight and has no moving elements (no rotating mass); therefore only simplified seating is required.
  • An additional important advantage is that the slide bar according to the invention is insensitive to increased temperature and temperature fluctuations.
  • FIG. 1 shows a section of a coating system for a paper or cardboard web with the associated drying device.
  • Figure 2 is a schematic oblique view of a stationary slide bar.
  • Figure 3 shows a complete off-line coating machine.
  • FIG. 4 shows a partial view (in the direction of arrow IV of FIG. 3) of the web with a curved slide bar.
  • FIG. 5 shows a slide bar that can be curved over its length and can also be tilted.
  • FIG. 6 is a cross section along line VI of FIG. 5.
  • a paper or cardboard web 7 runs over web guide rollers 5 into a coating unit 8, from there via further web guide rollers 6 to a drying unit 9 a further web guide roller 12.
  • a part of the web guide rollers 5, 6 and the web guide roller 12 arranged at the end of the drying unit 9 are provided with only symbolically illustrated drives.
  • the individual stationary slide bar 10 is supported on several holders or on a support bar 14.
  • the support bar 14 and the slide bar 10 fastened thereon extend across the entire width B of the web 7.
  • the slide bar 10 has a (seen in cross section) convexly rounded surface 11.
  • the slide bar 10 is made of a simple, cheap steel.
  • the convexly rounded surface 11 is provided with a coating, for example made of a hard metal or ceramic. If necessary, the coated surface 11 is polished smooth. In this way, the surface 11 is insensitive to occasional contact with the running web 7. However, with continuous operation of the system at a relatively high web running speed, contact of the web 7 with the surface 11 of the slide strips 10 is avoided by the bottom side of the web transporting an air boundary layer , so that an aerodynamic lubricating wedge forms on the inlet side of each slide bar 10.
  • An air supply device 13 can only be provided on the inlet side of a slide bar 10, as indicated schematically at 13, for special cases.
  • a special case lies e.g. B. before when the system is started up from standstill or when the web running speed is generally quite low. In some cases it will be sufficient to provide air supply devices only in the area of the two web edges.
  • the arrangement according to Figure 1 is such that the top of the paper web is coated in the coating installation 8 and then dried by the drying unit 9, so that only the uncoated web underside comes into contact with the web guide rollers 6, 12 and occasionally or temporarily with the slide strips 10 is coming.
  • a slide bar can also be arranged on the painted side of the web, e.g. B. if the line thickness is relatively small.
  • the underside of the impact jet dryer 9 is flat. Therefore, the slide strips 10 are arranged such that the web 7 runs along a substantially straight line on the underside of the dryer 9. The web 7 is therefore not (or not significantly) deflected on the slide strips.
  • FIG. 3 This shows a complete off-line coating machine that is suitable for coating relatively thin papers at very high working speeds.
  • several stationary slide rails according to the invention are arranged in positions where previously normal, rotatable guide rollers have usually been arranged.
  • a roll-off station 20 can be seen in FIG. 3, from which the paper web 17 runs to a coating unit 18 for the top of the web and then past infrared dryers 21, through hot air dryers 22 and through a drying cylinder group 23.
  • the web 17 then runs through a second coating unit 18 for the underside of the web, further again past infrared dryers 21, through hot air dryer 22 and through a second drying cylinder group 23, after which the finished coated web is wound up in a roller apparatus 24.
  • the path deflection on each of the stationary slide strips 10 is approximately between 5 degrees and a maximum of approximately 40 degrees. But you can also provide a larger deflection, for. B. in the order of 90 °.
  • Figure 4 it is indicated schematically that a slide bar 10A can be bent approximately parallel to the web running direction. As a result, the paper web 17 can be smoothly pulled transversely to the web running direction or “stretched”. With the help of bending devices, not shown, the extent b of the deflection can be varied.
  • FIGS. 5 and 6 show a slide bar 10B which can be bent out in one direction essentially perpendicular to the paper web 18 or (in other words) arched.
  • the width of the paper web is designated by B in FIG.
  • the following is provided for the purpose of arching the slide bar 10B:
  • the equal bar 10B (and possibly a support bar 14A connected to it) rests on several lifting devices, for example threaded spindles 31. These are evenly distributed over the length of the slide bar and can be individually adjusted.
  • the threaded spindles 31 are supported on a carrier 34 (for example a square tube).
  • a carrier 34 for example a square tube.
  • they can extend across the carrier and can be rotated by means of a handwheel 32 each. In this way, the extent of the curvature (or deflection, for example upwards) can be set as desired.
  • an upwardly curved state of the slide bar is designated as 10C.
  • the carrier 34 which extends parallel to the slide bar, has a pivot pin 35 at each end in the exemplary embodiment shown, with the aid of which it rests in holders 33 (each with a clamping piece 33a).
  • the holders 33 are fastened, for example, on machine side members 36, which rest on stands 37.
  • the spindles 31 extend substantially perpendicular to the paper web 17.
  • the carrier 34 can be pivoted together with the slide bar 10B by a certain angle + a or -a.
  • the angle a can e.g. up to 10 °.
  • a certain spreading effect on the paper or cardboard web can in turn be achieved by the measures described, namely arch adjustment and / or pivoting of the slide bar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Paper (AREA)
  • Pens And Brushes (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Sliding-Contact Bearings (AREA)
  • Drying Of Solid Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP96107713A 1995-05-20 1996-05-15 Dispositif pour guider une bande fibreuse avec une barre de glissement stationnaire Expired - Lifetime EP0744366B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29508421U DE29508421U1 (de) 1995-05-20 1995-05-20 Stationäre Gleitleiste
DE29508421U 1995-05-20

Publications (3)

Publication Number Publication Date
EP0744366A2 true EP0744366A2 (fr) 1996-11-27
EP0744366A3 EP0744366A3 (fr) 1997-10-29
EP0744366B1 EP0744366B1 (fr) 2002-08-21

Family

ID=8008360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96107713A Expired - Lifetime EP0744366B1 (fr) 1995-05-20 1996-05-15 Dispositif pour guider une bande fibreuse avec une barre de glissement stationnaire

Country Status (6)

Country Link
US (3) US5855672A (fr)
EP (1) EP0744366B1 (fr)
CN (1) CN1136616A (fr)
AT (1) ATE222560T1 (fr)
CA (1) CA2176872A1 (fr)
DE (2) DE29508421U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0959033A3 (fr) * 1998-05-18 2000-09-27 Kabushiki Kaisha Tokyo Kikai Seisakusho Méthode et dispositif pour atténuer le flottement d'une bande, et application au raccordement de bandes

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29508421U1 (de) 1995-05-20 1995-09-14 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Stationäre Gleitleiste
US5967457A (en) * 1996-07-23 1999-10-19 Thermo Wisconsin, Inc. Airfoil web stabilization and turning apparatus and method
AT409301B (de) * 2000-05-05 2002-07-25 Ebner Peter Dipl Ing Vorrichtung zum führen eines metallbandes auf einem gaskissen
US6488230B2 (en) 2001-01-03 2002-12-03 Coorstek, Inc. Stationary web spreader
FI20021498A7 (fi) * 2002-08-20 2004-02-21 Metso Paper Inc Laite kuiturainan, erityisesti paperi- tai kartonkirainan jatkuvatoimisen aukirullaimen saumauslaitteen yhteydessä
DE10254777A1 (de) * 2002-11-22 2004-06-03 Voith Paper Patent Gmbh Vorrichtung zum Führen einer laufenden, feuchten Faserstoffbahn
DE10322525A1 (de) * 2003-05-19 2004-12-09 Voith Paper Patent Gmbh Bahnführungseinrichtung
DE10322518A1 (de) * 2003-05-19 2004-12-09 Voith Paper Patent Gmbh Bahnführungseinrichtung
DE10339262A1 (de) * 2003-08-26 2005-03-17 Voith Paper Patent Gmbh Bahnführungseinrichtung
CN102747469A (zh) * 2012-07-17 2012-10-24 南通市苏中纺织有限公司 一种并条机的导条架

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106365A (en) * 1961-02-27 1963-10-08 Beloit Eastern Corp Compound bowed d bar spreader
FR1313139A (fr) * 1961-11-02 1962-12-28 Perfectionnement au guidage des produits en bande
US3279091A (en) * 1963-12-23 1966-10-18 Clupak Inc Apparatus for drying a moving web over a non-rotating shell
DE1256990B (de) * 1965-01-22 1967-12-21 Paul Nash Vorrichtung zum im wesentlichen gleichmaessigen Spannen oder Straffhalten einer sich bewegenden Flachmaterialbahn ueber deren gesamte Breite
DE2121856A1 (de) * 1971-05-04 1972-11-16 Kleinewefers Industrie-Company GmbH, 4150Krefeld Streichvorrichtung für Papierkalander
US4197972A (en) * 1978-08-28 1980-04-15 W. R. Grace & Co. Contactless turning guide having air slots longitudinally along running web edges
DE3207461A1 (de) * 1982-03-02 1983-09-22 Jagenberg-Werke AG, 4000 Düsseldorf Rollmaschine
FI832375L (fi) * 1983-06-29 1984-12-30 Waertsilae Oy Ab Anordning foer spaenningsreglering i en bana.
JPS6089827A (ja) * 1983-10-22 1985-05-20 Konishiroku Photo Ind Co Ltd 塗膜平担化方法及びその装置
US4697728A (en) * 1986-01-16 1987-10-06 Sawyer Sr William D Paper web spreading shoe
US4824002A (en) * 1986-06-06 1989-04-25 Ford John W Contactless web support guide
US5172844A (en) * 1989-01-21 1992-12-22 Bandfabrik Breitenbach Ag Method and apparatus for reducing a transporting strain on elongated material passing through a treatment chamber
US5022166A (en) * 1990-06-07 1991-06-11 Union Camp Corporation Flutter suppression air foils
DE4110875A1 (de) * 1991-04-04 1992-10-08 Voith Gmbh J M Trockenpartie
DE4127602A1 (de) * 1991-08-21 1993-02-25 Hoechst Ag Verfahren und vorrichtung zum beruehrungsfreien fuehren eines beschichteten materialbandes
DE4203774A1 (de) * 1992-02-10 1993-08-12 Hobema Maschf Hermann Vorrichtung zum trocknen einer laufenden bahn aus papier, tissue, nonwoven o. dgl.
DE4211401A1 (de) * 1992-04-04 1993-10-07 Voith Gmbh J M Beschichtungseinrichtung für Bahnen aus Papier oder Karton
DE59405014D1 (de) * 1993-08-07 1998-02-19 Voith Gmbh J M Vorrichtung zum Streichen einer Papierbahn
EP0643168B1 (fr) * 1993-08-07 1998-01-14 J.M. Voith GmbH Dispositif de l'enduction d'une bande de papier
DE4415581C2 (de) * 1994-05-04 1995-12-07 Voith Gmbh J M Papier-Streichvorrichtung
DE29508421U1 (de) * 1995-05-20 1995-09-14 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Stationäre Gleitleiste
US5967457A (en) * 1996-07-23 1999-10-19 Thermo Wisconsin, Inc. Airfoil web stabilization and turning apparatus and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0959033A3 (fr) * 1998-05-18 2000-09-27 Kabushiki Kaisha Tokyo Kikai Seisakusho Méthode et dispositif pour atténuer le flottement d'une bande, et application au raccordement de bandes
US6241179B1 (en) 1998-05-18 2001-06-05 Kabushiki Kaisha Tokyo Kikai Seisakusho Method and apparatus for web flutter containment, and application to web splicing

Also Published As

Publication number Publication date
US5855672A (en) 1999-01-05
CN1136616A (zh) 1996-11-27
ATE222560T1 (de) 2002-09-15
DE59609569D1 (de) 2002-09-26
CA2176872A1 (fr) 1996-11-21
EP0744366B1 (fr) 2002-08-21
US6402842B1 (en) 2002-06-11
DE29508421U1 (de) 1995-09-14
EP0744366A3 (fr) 1997-10-29
US6174368B1 (en) 2001-01-16

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