EP0681974B1 - Rouleau tendeur pour transporter une bande de matériau, en particulier une bande de papier dans une presse à bobine - Google Patents

Rouleau tendeur pour transporter une bande de matériau, en particulier une bande de papier dans une presse à bobine Download PDF

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Publication number
EP0681974B1
EP0681974B1 EP95810293A EP95810293A EP0681974B1 EP 0681974 B1 EP0681974 B1 EP 0681974B1 EP 95810293 A EP95810293 A EP 95810293A EP 95810293 A EP95810293 A EP 95810293A EP 0681974 B1 EP0681974 B1 EP 0681974B1
Authority
EP
European Patent Office
Prior art keywords
roller
suction
web
casing
core
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
EP95810293A
Other languages
German (de)
English (en)
Other versions
EP0681974A1 (fr
Inventor
Joachim Alfred Heinz Lapp
Alfred Walter Weiler
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Publication of EP0681974A1 publication Critical patent/EP0681974A1/fr
Application granted granted Critical
Publication of EP0681974B1 publication Critical patent/EP0681974B1/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
    • B65H23/04—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
    • B65H20/00—Advancing webs
    • B65H20/12—Advancing webs by suction roller
    • 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
    • B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
    • B65H23/0251—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers with a straight axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/114—Built-up elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/131—Details of longitudinal profile shape
    • B65H2404/1313—Details of longitudinal profile shape concave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/131—Details of longitudinal profile shape
    • B65H2404/1317—End profile
    • B65H2404/13171—End profile tapered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/136—Details of longitudinal profile with canals
    • B65H2404/1363—Details of longitudinal profile with canals air supply or suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/18—Rollers composed of several layers
    • B65H2404/181—Rollers composed of several layers with cavities or projections at least at one layer

Definitions

  • the invention relates to a pull roller in Shape of a suction roller for transporting a material web, especially a paper web in a web press.
  • Such, designed as a suction roll Draw roller is known from EP-A-0 415 882.
  • a conventional pull roller which is used to achieve a slip-free transport of the material web with a pressure roller has to work together driven suction roller the advantage that only one Side of the material web is loaded during transport and that when the transport speed changes to be accelerated or braked Masses of a single suction roll are less than that of a pair of rollers pinching the material web.
  • the suction air supply is the previously known suction roller to the roll shell so that the suction area within the entire of the Paper web wrapped at an angle, at least if possible Is 180 ° over the entire width of the Paper web extends; So the suction surface is in the Development seen, rectangular.
  • DE-A-1 625 615 discloses a rotatable roller whose diameter for the wrinkle-free guidance of thin plastic films to the Edge areas is larger than in the middle part. The role owns thereby a concave longitudinal profile. The diameter of the roll can can also be changed step by step.
  • the invention is based on the object Traction rollers designed to form suction rollers so that the material web, without additional Spreader rollers, when passing through the suction roller in the Width is stretched.
  • the advantage of web presses is that they are Suction roll according to the invention caused spreading effect as close as possible behind the pressure zone and without Use of additional masses Machine parts is generated.
  • the Suction roll according to the invention also in one continuous, uniform paper web transport as well as for the transport of material webs other than Apply paper webs.
  • the roller core 1 is at one end with a Bearing pin 4 and at the other end with an axial protruding hollow nozzle 5 provided for Attachment of the roller core to a machine frame and is used for connection to a vacuum source.
  • the outer circumference of the roll shell 2 is so trained that its outer diameter, starting from the middle of the roller, on both sides enlarged continuously or in small steps so that the Roll jacket in the transverse direction, that is perpendicular to Direction of transport of the material web, somewhat concave is curved.
  • This training can be seen in the example according to FIGS. 1 to 4 with an initially cylindrical one achieve the manufactured roll shell that on its two end areas, symmetrical to the middle, successive strips of material 19 of different widths be glued on, of which the bottom strip is the greatest width and each subsequent stripe one smaller width than the one below, where the edges of all at the roller ends Stripes lie one above the other, as in FIGS. 1 and 2 shown.
  • the effective one Outside diameter of the roll shell 2 starting from the middle, gradually towards and on both sides forms in a parallel to the roller axis oriented direction, a concave surface.
  • the openings 3 of course also pass through Strip 19.
  • walls 6, 7, 8, 9 and 10 projecting radially outwards attached, which between the circumference of the roll core 1 and the roller jacket 2 has a wedge-shaped suction chamber 11 limit.
  • These walls consist of two parallel ones Ring walls 6 and 7 at both ends of the roll core 1, from a transverse wall connecting both ring walls 6 and 7 8 and from two inclined to the circumferential direction Walls 9 and 10, which from the inside of the Ring walls 6 and 7, a small distance from the transverse wall 8, go out and symmetrical to the center of the roll core run where they meet, like that in Figure 2 and in particular in the processing of Figure 4 is shown.
  • the radially outer end faces of the mentioned Walls 6 to 10 are included in the example considered shallow grooves, namely the end faces of the Ring walls 6 and 7, each with two ring grooves 6a, 6b and 7a, 7b, the end face of the transverse wall 8 with a groove 8a and the end faces of the walls 9 and 10 with a groove 9a or 10a. You can use these grooves if necessary Sealing material to be inserted.
  • the roll shell 2 At the end of the roll shell 2, which on the side of the hollow connector 5 is a Flange part 13 by means of screws 14 on a Roll shell molded ring flange 15 attached and by means of a ball bearing 16 on the hollow connector 5 rotatably mounted, which is attached to the ring wall 7 is.
  • the roll shell 2 forms one tapered connecting flange 17, which by means of a ball bearing 18 on the journal 4 of the Roll core 1 is rotatably mounted and for direct Attachment of the roller shell to the rotor shaft of one the suction motor driving drive motor is used.
  • the Roll shell 2 is preferably made of a lightweight Plastic, especially made of plastic impregnated carbon fibers to make it a has the lowest possible weight.
  • the arrangement is such that between the inner circumference of the roll shell 2 and the radial outer end faces of the mentioned walls 6 to 10 um that the roller shell turns, only very narrow gaps are provided, which so an air passage oppose high resistance that without the insertion of any special sealing material these gaps are sufficiently dense to meet the required Vacuum inside the suction chamber 11 to maintain when these pass through the vents 12 and the hollow connector 5 to a vacuum shaft connected. If necessary, too suitable sealing material in the mentioned grooves 6a, 6b, 7a, 7b, 8a, 9a, and 10a.
  • the suction roll 1 is along by the material web of a circumferential section, which is preferably Is 180 °. Located within this circumferential section the suction chamber 11, which is therefore between the transverse wall 8 and the tip of the wedge over one Angle extends from about 180 ° and so in the above located area of the provided with openings 3 Roll shell 2 defines a wedge-shaped suction surface.
  • the material web has when passing through the looping section the suction roll the tendency to to run the highest point, which is because of the concave Training of the roll shell 2 and because of Wedge shape of the suction surface the web edges outwards to be pulled. Because of this wedge shape
  • the material web is the suction surface when it comes up the suction roll does not immediately over its entire width B held slip-free, but only in the middle, like this that the edge areas of the material web are initially free stay and so because of the concave shape of the roll shell can run outside, where they then successively be held by negative pressure.
  • the suction surface on the transverse to the transport direction concave roller jacket at the beginning of the wrap starts in the middle with increasing wrap angle runs obliquely outwards on both sides and at the end of the loop the entire width B occupies the material web.
  • the wrap angle can also have a size deviating from 180 ° and in particular be greater than this angle.
  • Strips 19 which e.g. made of paper or coated paper can also exist side by side glued strips with different Thickness can be provided, the strip thickness of the Roll ends decreases towards the middle.
  • the suction roll 1 has a roll shell 20 with a cylindrical inner diameter and one, seen slightly parallel to the axis, slightly concave curved outer circumference, by appropriate shaping of the roll shell was generated.
  • the size of the concavity depends on the type of material web and will this adjusted.
  • the suction roll according to the invention is not on the described construction of the roll core and the roller shell limited, but includes numerous other variations through which A suction air supply is reached within the suction roller which is essentially a on the roll shell wedge-shaped suction surface, as described, generated.

Landscapes

  • Advancing Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (5)

  1. Unité de traction à rouleau en forme de tambour aspirant pour le transport d'une bande de matériau, sur lequel s'enroule la bande de matériau le long d'une partie déterminée de sa circonférence et étant constitué d'un tambour intérieur (1) fixe sur lequel est monté rotativement un manteau (2) monté comportant des orifices (3) répartis sur son pourtour et d'un conduit d'aspiration d'air fixé sur le tambour intérieur et pouvant être relié à une source de pression négative, le conduit étant ouvert sur l'intérieur du manteau (2) et formé de manière que la partie des orifices (3) qui est soumise à la pression négative définisse une surface d'aspiration fixe qui se trouve à l'intérieur de la partie de la circonférence entourée par la bande de matériau, caractérisé en ce que le diamètre extérieur du manteau (2) comporte un diamètre qui va en augmentant en partant du centre vers les deux extrémités et en ce que ladite surface d'aspiration a une forme de coin, la pointe du coin étant dirigée dans le sens opposé au sens de rotation du manteau (2) et se trouvant au début de cette portion de circonférence au milieu du tambour et la surface d'aspiration s'étend vers l'extérieur en augmentant de manière oblique avec l'angle d'enroulement et ayant à la fin de la partie de circonférence une largeur correspondant à la largeur totale B de la bande de matériau.
  2. Unité de traction à rouleau selon la revendication 1, caractérisée en ce qu'elle comporte un tambour intérieur (1) creux avec des parois (6,7,8,9,10) dirigées radialement vers l'extérieur, lesquelles parois entre la surface du tambour intérieur (1) et le manteau (2) délimitent une chambre d'aspiration cunéiforme (11), cette chambre pouvant être reliée à une source de pression négative par l'intermédiaire d'orifices (12) dans la paroi périphérique et par l'intérieur du tambour intérieur (1), et forme ladite surface d'aspiration cunéiforme sur le manteau (2).
  3. Unité de traction à rouleau selon la revendication 1 ou 2, caractérisée en ce que sur le manteau (2) formé de manière cylindrique, des bandes de matériau (19) sont fixées de telle manière que le diamètre du manteau augmente par paliers à partir du milieu vers chaque côté.
  4. Unité de traction à rouleau selon la revendication 3, caractérisée en ce que sur ses deux régions extrêmes de manière symétrique par rapport au centre, des bandes successives de matériau (19) de largeur différentes sont collées, parmi lesquelles la bande inférieure a la largeur la plus élevée et chaque bande successive a une largeur inférieure à celle de la bande se trouvant en dessous d'elle, les bords des bandes aux extrémités du tambour étant l'un au dessus de l'autre.
  5. Unité de traction à rouleau selon la revendication 1 ou 2, caractérisée en ce que le manteau (20), considéré dans le sens parallèle à l'axe du tambour, comporte une surface extérieure légèrement concave.
EP95810293A 1994-05-11 1995-05-03 Rouleau tendeur pour transporter une bande de matériau, en particulier une bande de papier dans une presse à bobine Expired - Lifetime EP0681974B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1472/94 1994-05-11
CH01472/94A CH688893A5 (de) 1994-05-11 1994-05-11 Zugwalze zum Transport einer Materialbahn, insbesondere einer Papierbahn in einer Rollendruckmaschine.

Publications (2)

Publication Number Publication Date
EP0681974A1 EP0681974A1 (fr) 1995-11-15
EP0681974B1 true EP0681974B1 (fr) 1998-08-12

Family

ID=4211282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810293A Expired - Lifetime EP0681974B1 (fr) 1994-05-11 1995-05-03 Rouleau tendeur pour transporter une bande de matériau, en particulier une bande de papier dans une presse à bobine

Country Status (8)

Country Link
US (1) US5649890A (fr)
EP (1) EP0681974B1 (fr)
CN (1) CN1064021C (fr)
CA (1) CA2148985C (fr)
CH (1) CH688893A5 (fr)
DE (1) DE59503116D1 (fr)
DK (1) DK0681974T3 (fr)
RU (1) RU2128583C1 (fr)

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US5813961A (en) * 1995-09-01 1998-09-29 Diamond Holding Corporation Inking, water form and metering roller
DE19721144B4 (de) * 1997-05-21 2006-04-20 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zum Handhaben von Zuschnitten
DE10359113A1 (de) * 2003-12-17 2005-07-21 Voith Paper Patent Gmbh Breitstreckvorrichtung
EP1645427A1 (fr) * 2004-10-08 2006-04-12 Mutoh Europe N.V. Système de tension pour imprimantes
EP1574348B1 (fr) 2004-03-10 2007-12-26 Mutoh Europe N.V. Système de tension pour imprimantes
FR2909031B1 (fr) * 2006-11-24 2011-03-04 Goss Int Montataire Sa Machine d'impression et procede correspondant.
DE102007018117B4 (de) * 2007-04-16 2010-09-09 Vits Technology Gmbh Querschneider für eine Papierbahn
DE102009002319A1 (de) * 2009-04-09 2010-10-14 Voith Patent Gmbh Rollenwicklerwalze und Verfahren zum Behandeln einer Materialbahn
FI124671B (fi) * 2009-12-22 2014-11-28 Valmet Technologies Inc Laitteisto ja menetelmä konerullia varten
US9475672B2 (en) 2010-05-11 2016-10-25 Jes Bo Rennebod Tubular cylinder
CN102085746A (zh) * 2010-11-05 2011-06-08 陕西北人印刷机械有限责任公司 一种牵引辊
US20120157279A1 (en) * 2010-12-20 2012-06-21 Uwe Schneider Process and Apparatus for Joining Flexible Components
CN102923513B (zh) * 2012-10-31 2015-06-24 北京印刷学院 纸带吸附输送装置
WO2018119289A1 (fr) * 2016-12-22 2018-06-28 3M Innovative Properties Company Appareil de revêtement pour bande mobile
ES1177658Y (es) * 2016-12-22 2017-05-24 Alvarez Alba Armendariz Cinta flexible y rodillo para enrollar o desenrollar bobinas de material laminado recubierto por dicha cinta
CN109228623B (zh) * 2018-09-13 2020-06-09 武汉纺织大学 一种梯型的取布及留布一体化自动装置

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US1175940A (en) * 1915-06-18 1916-03-21 Hiland R Farnsworth Suction-roll.
US1627966A (en) * 1920-04-17 1927-05-10 Arkell Safety Bag Co Apparatus for operating on paper and other fabrics
GB492143A (en) * 1938-02-26 1938-09-15 David Russell Improvements relating to paper-making machines
US2900024A (en) * 1955-10-07 1959-08-18 Scott Paper Co Silencer
US3273492A (en) * 1963-10-16 1966-09-20 Beloit Corp Suction roll counter-deflector
DE1625615A1 (de) * 1967-10-17 1971-01-14 Siemens Ag Drehbare Rolle zur Fuehrung von Folien und Baendern
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Also Published As

Publication number Publication date
DE59503116D1 (de) 1998-09-17
CH688893A5 (de) 1998-05-15
DK0681974T3 (da) 1999-05-17
CA2148985A1 (fr) 1995-11-12
RU2128583C1 (ru) 1999-04-10
CA2148985C (fr) 2003-09-16
EP0681974A1 (fr) 1995-11-15
RU95107146A (ru) 1996-12-27
US5649890A (en) 1997-07-22
CN1064021C (zh) 2001-04-04
CN1122304A (zh) 1996-05-15

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