EP0681974B1 - Zugwalze zum Transport einer Materialbahn, insbesondere einer Papierbahn in einer Rollendruckmaschine - Google Patents
Zugwalze zum Transport einer Materialbahn, insbesondere einer Papierbahn in einer Rollendruckmaschine Download PDFInfo
- 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
Links
Images
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)
- Treatment Of Fiber Materials (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
Claims (5)
- Zugwalze in Form einer Saugwalze zum Transport einer Materialbahn, wobei die Saugwalze von der Materialbahn längs eines bestimmten Umfangsabschnitts umschlungen wird und aus einem feststehenden Walzenkern (1), einem um diesen drehbaren Walzenmantel (2) mit über dessen Umfang verteilten Oeffnungen (3) und aus einer am Walzenkern vorgesehenen, an eine Unterdruckquelle anschliessbaren Saugluftführung besteht, welche am Innenumfang des Walzenmantels (2) mündet und derart ausgebildet ist, dass der dem Unterdruck unterliegende Bereich der Mantelöffnungen (3) eine feststehende Saugfläche definiert, die innerhalb des von der Materialbahn umschlungenen Umfangsabschnitts liegt, dadurch gekennzeichnet, dass der Aussendurchmesser des Walzenmantels (2) einen von der Mitte aus nach beiden Seiten hin grösser werdenden Durchmesser aufweist und dass die erwähnte Saugfläche eine keilförmige Gestalt hat, wobei die Keilspitze entgegengesetzt zur Drehrichtung des Walzenmantels (2) weist und am Anfang des erwähnten Umfangsabschnitts in der Walzenmitte liegt und die Saugfläche sich mit zunehmendem Umschlingungswinkel beiderseits schräg nach aussen erweitert und am Ende des Umfangsabschnitts eine der Gesamtbreite B der Materialbahn entsprechende Breite hat.
- Zugwalze nach Anspruch 1, dadurch gekennzeichnet, dass sie einen hohlen Walzenkern (1) mit radial nach aussen gerichteten Wänden (6, 7, 8, 9, 10) hat, welche zwischen dem Umfang des Walzenkerns (1) und dem Walzenmantel (2) eine keilförmige Saugkammer (11) begrenzen, die über Durchlassöffnungen (12) in der Umfangswand des Walzenkerns (1) sowie über das Innere dieses Walzenkerns an eine äussere Unterdruckquelle anschliessbar ist und auf dem Walzenmantel (2) die erwähnte keilförmige Saugfläche definiert.
- Zugwalze nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass auf dem zylindrisch hergestellten Walzenmantel (2) Materialstreifen (19) derart befestigt sind, dass sein Aussendurchmesser von der Mitte aus nach beiden Seiten hin stufenweise zunimmt.
- Zugwalze nach Anspruch 3, dadurch gekennzeichnet, dass auf seinen beiden Endbereichen, symmetrisch zur Mitte, sukzessive Materialstreifen (19) unterschiedlicher Breite aufgeklebt sind, von denen der unterste Streifen die grösste Breite und jeder folgende Streifen eine kleinere Breite als der darunterliegende hat, wobei die an den Walzenenden befindlichen Kanten aller Streifen übereinanderliegen.
- Zugwalze nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Walzenmantel (20), in Richtung parallel zur Walzenachse gesehen, einen leicht konkav gekrümmten Aussenumfang hat.
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 (de) | 1995-11-15 |
EP0681974B1 true EP0681974B1 (de) | 1998-08-12 |
Family
ID=4211282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95810293A Expired - Lifetime EP0681974B1 (de) | 1994-05-11 | 1995-05-03 | Zugwalze zum Transport einer Materialbahn, insbesondere einer Papierbahn in einer Rollendruckmaschine |
Country Status (8)
Country | Link |
---|---|
US (1) | US5649890A (de) |
EP (1) | EP0681974B1 (de) |
CN (1) | CN1064021C (de) |
CA (1) | CA2148985C (de) |
CH (1) | CH688893A5 (de) |
DE (1) | DE59503116D1 (de) |
DK (1) | DK0681974T3 (de) |
RU (1) | RU2128583C1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7064749B1 (en) * | 1992-11-09 | 2006-06-20 | Adc Technology Inc. | Portable communicator |
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 (de) * | 2004-10-08 | 2006-04-12 | Mutoh Europe N.V. | Spannvorrichtung für Drucker |
EP1574348B1 (de) | 2004-03-10 | 2007-12-26 | Mutoh Europe N.V. | Spannvorrichtung für Drucker |
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 |
DK2569236T3 (en) | 2010-05-11 | 2016-12-19 | Jesco Holding Aps | A tubular roller |
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 |
US20200101485A1 (en) * | 2016-12-22 | 2020-04-02 | 3M Innovative Properties Company | Coating apparatus for moving web |
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 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE411044C (de) * | 1925-03-16 | Joh Kleinewefers Soehne Fa | Breithalter | |
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 |
US3942735A (en) * | 1974-12-26 | 1976-03-09 | Levi Strauss & Co. | Viewing table |
DE2552485A1 (de) * | 1975-11-22 | 1977-06-02 | Voith Gmbh J M | Zylindrische fuehrungsvorrichtung fuer faserstoffbahnen |
FI71180C (fi) * | 1983-05-12 | 1986-11-24 | Valmet Oy | Pressvals foer pappersmaskin som aer foersedd med en elastisk ytbelaeggning av skiktkonstruktion samt press foer pappersmaskin daer det anvaends en ifraogavarande pressvals |
FI80098C (fi) * | 1988-06-29 | 1991-06-26 | Tampella Oy Ab | Vals foer press av en pappersmaskin el.dyl. |
US5188273A (en) * | 1989-02-03 | 1993-02-23 | Helmuth Schmoock | Expander roller for webs of paper and the like |
US5230456A (en) * | 1989-08-30 | 1993-07-27 | De La Rue Giori, S.A. | Draw-roller unit for a web-printing machine |
DE4239640A1 (en) * | 1992-11-26 | 1993-07-01 | Voith Gmbh J M | Paper-making roller - has channels from U=shaped rails fitted to the roller mantle |
-
1994
- 1994-05-11 CH CH01472/94A patent/CH688893A5/de not_active IP Right Cessation
-
1995
- 1995-05-02 US US08/432,819 patent/US5649890A/en not_active Expired - Lifetime
- 1995-05-03 DK DK95810293T patent/DK0681974T3/da not_active Application Discontinuation
- 1995-05-03 DE DE59503116T patent/DE59503116D1/de not_active Expired - Fee Related
- 1995-05-03 EP EP95810293A patent/EP0681974B1/de not_active Expired - Lifetime
- 1995-05-09 CA CA002148985A patent/CA2148985C/en not_active Expired - Fee Related
- 1995-05-10 CN CN95105612A patent/CN1064021C/zh not_active Expired - Fee Related
- 1995-05-10 RU RU95107146A patent/RU2128583C1/ru active
Also Published As
Publication number | Publication date |
---|---|
CA2148985C (en) | 2003-09-16 |
CN1122304A (zh) | 1996-05-15 |
CN1064021C (zh) | 2001-04-04 |
CA2148985A1 (en) | 1995-11-12 |
DK0681974T3 (da) | 1999-05-17 |
EP0681974A1 (de) | 1995-11-15 |
RU95107146A (ru) | 1996-12-27 |
RU2128583C1 (ru) | 1999-04-10 |
CH688893A5 (de) | 1998-05-15 |
US5649890A (en) | 1997-07-22 |
DE59503116D1 (de) | 1998-09-17 |
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