EP0556252B1 - Aufwickelvorrichtung, verwendung einer walze und entsprechende walze - Google Patents

Aufwickelvorrichtung, verwendung einer walze und entsprechende walze Download PDF

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Publication number
EP0556252B1
EP0556252B1 EP91919703A EP91919703A EP0556252B1 EP 0556252 B1 EP0556252 B1 EP 0556252B1 EP 91919703 A EP91919703 A EP 91919703A EP 91919703 A EP91919703 A EP 91919703A EP 0556252 B1 EP0556252 B1 EP 0556252B1
Authority
EP
European Patent Office
Prior art keywords
roller
mantle
roll
intermediate layer
winding
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
EP91919703A
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English (en)
French (fr)
Other versions
EP0556252A1 (de
Inventor
Gerhard W. DÖRFEL
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.)
Beloit Technologies Inc
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Beloit Technologies Inc
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 Beloit Technologies Inc filed Critical Beloit Technologies Inc
Priority to DE1991919703 priority Critical patent/DE556252T1/de
Publication of EP0556252A1 publication Critical patent/EP0556252A1/de
Application granted granted Critical
Publication of EP0556252B1 publication Critical patent/EP0556252B1/de
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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of 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
    • 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
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/136—Details of longitudinal profile with canals
    • B65H2404/1361—Details of longitudinal profile with canals with cooling/heating system
    • 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
    • B65H2404/185—Rollers composed of several layers easy deformable
    • 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
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction

Definitions

  • Winding devices for paper sheeting are known in various designs, where rollers are in contact with the roll being wound parallel to its axis.
  • the roll of the transportation roller rests on two parallel support rollers operating at the same height and is driven from above by a drive roller.
  • the roll on the backing roller is rotary seated on a shaft which, in turn, is mounted to pivot arms.
  • the roll is in contact with a backing roller.
  • the designs can have different details. But they all have in common, in connection with the invention, that an axis-parallel roller is in contact with the roll being wound, for example, in the form of the mentioned support rollers, backing rollers or driving rollers.
  • nip pressure that is, the contact pressure of the roller against the roll being wound, is also responsible for the tensions in the sheet. If the roller in contact with the roll is practically inelastic, as is the case, for example, for a thick-wall steel roller, then the contact region is relatively narrow and is determined only by the flexibility of the roll itself. The contact force is then distributed onto a small surface, and the resultant specific pressure is large. The resultant stresses in the sheet then lead to a large package hardness that is often undesirable.
  • rollers that is, rollers with a supporting cylindrical roller element at the outer perimeter; they have a coating made of rubber or another elastomer.
  • the contact pressure not only is the roll deformed but also the material of the roller coating. Its shape adapts somewhat to that of the roll.
  • the roll is to a certain extent pressed into the soft surface of the roller. This, then, will increase the contact area in the circumferential direction and reduces the specific contact pressure, which, in itself, is desirable.
  • an axial stress on the paper sheet is created; this is not desirable because it affects the quality of the roll.
  • Rollers with an elastic coating operating directly against the roll thus, provide no advantages compared to the production of rolls of low hardness.
  • the invention is based on the problem of designing a winding device so that it can produce rolls of lesser hardness, without affecting the other roll properties.
  • the thin-wall rolling mantle is made of metal that is easily deformed in the circumferential direction; that is, it can be easily dented or depressed, and, thus, the desirable increase in the contact area in the circumferential direction and, thus, the reduction in specific contact pressure will be possible.
  • the thin-wall rolling mantle made of metal is barely or not deformable in the axial direction, in contrast to an elastomer or even a rubber mantle, and thus does not affect the roll quality because no axial forces are produced.
  • Rollers with an elastic, flexible intermediate layer and thin-wall metallic roller mantle are known.
  • DE-GM 77 23 702 shows a rotation element designed with very small inertial moment about the longitudinal axis. This rotation element is to be used, for instance, as a towed diverter roller to guide sheet-like materials, such as textile sheet, paper sheet, metal foils and similar items.
  • a cylindrical region with a low-density filler is provided which is surrounded by a metal mantle with a wall thickness of 0.03 to 0.5 mm forming the perimeter of the operating roller. It can be produce electrochemically or by rolling of metal foils.
  • a roller with a roller element is known that is surrounded by an intermediate layer of filler containing bubble material, for example, foamed rubber materials or elastomers.
  • a metallic roller mantle is located on the intermediate layer.
  • the rollers should be used, for example, for calendering of textile products.
  • the invention is also embodied in an application of a roller of the type described, as a supporting, backing or driven roller in winding devices for paper or similar articles.
  • the intermediate layer consists of a compact, elastomeric material with a Shore A hardness of 30° to 80°.
  • the metallic, rolling mantle of the roller is best if made of steel and can have a radial thickness of 1 to 5 mm.
  • a third aspect of the invention is configured in the form of a single roller suitable for winding devices.
  • the rolling mantle of the roller can be made of spring steel because this steel has a particularly large range of elasticity and can adapt easily to the configuration of the roller without coming near the yield point.
  • the sizing of the radial thickness of the intermediate layer depends essentially on the particular case. It must be thick enough to allow adaptation of the elastically deformable rolling mantle to the perimeter of the roll without generating excessive elongations. The thickness needed for this will depend on the contact pressure and on the diameter of the roll being produced. The range coming into consideration for practical applications lies between 10 and 100 mm.
  • An important configuration of the invention consists in the fact that channels of at least 10 mm2 are distributed in the intermediate layer along the perimeter.
  • the channels should have a macroscopic cross-section and not be designed as pores or similar features. They have a double function. First, they increase the flexibility of the overall configuration because the elastically flexible material of the intermediate layer--when the webs remaining between the channels are deformed, in turn, by the corresponding deformation of the roller mantle--can more easily escape to the side.
  • the other function is a cooling function. During rotating of the roller, a considerable fulling work is performed in the material of the intermediate layer due to the deformation occurring for each revolution. Now, unless the proper precautions are taken, this fulling work will result in excessive heat-up of the elastic, flexible material. This is counteracted by the coolant.
  • the grooves can be formed in the surface of the intermediate layer and can be open toward the interior of the roller mantle. This will make the production easier.
  • the grooves can be provided as circumferential grooves, especially as screw-shaped perimeter grooves so that the coolant can be rather easily distributed over the entire circumferential surface. In multi-path designs, it is possible to move the coolant back and forth. If intersecting perimeter grooves are used, a waffle- or rhombic-shaped structure is obtained.
  • the intermediate layer can be tapered axially outside the operating region from the roller mantle outward toward the axis in order to increase the fatigue limit of the apparatus.
  • the paper are often filled with mineral strips and are abrasive, and, thus, the width of the nip in the circumferential direction of the roller may have local shifts of the paper sheet with respect to the perimeter, it may be a good idea to coat the roller mantle on the outer perimeter with a wear-reducing material, for example, a hard-metal coating.
  • This type of coating also has the function of increasing the coefficient of friction between the roller mantle and the paper or other sheet material in order to transfer greater circumferential forces to the roll without increasing the contact pressure.
  • FIG 1 we see a support roller roll-device (20) that is used to roll up a paper sheet (1) onto a roll (2).
  • the product sheet (1) is being moved forward under a certain longitudinal sheet tension and is diverted downward by means of a diverter roller (3) according to Figure 1. It rolls from below around driven support roller (4) with horizontal axis, next to which another support roller (5) of the same design, likewise with horizontal axis, is positioned at the same height and with little separation.
  • the roll being wound (2) contacts the support rollers (4,5) at points (6) and (7) with a nip pressure (8) that is obtained from the weight of the roller and the contact pressure (9) of a driven roller (11) that is located above the support rollers (4,5) and symmetrically to them and stands under the force of one piston/cylinder unit (12).
  • the driven roller (11) serves to guide the quickly revolving roll and to ensure a uniform formation of said roll.
  • Figure 2 shows a support roller winding device where the product sheet (1) is being rolled up into a roll (2) that is not in contact with support rollers but rather is seated on a shaft on pivot arms (13) that stand essentially upright and are pivot-mounted at the bottom at point (14). Due to piston/cylinder units (15) articulated with the pivot arms (13), the roll (2) is pulled against a support roller (16) fixed in position at about the same height. A nip pressure (17) is produced. The paper sheet (1) moves from above via diverter rollers (18,19) onto the support roller (16) and, after passing of the nips, is rolled onto the roll (2).
  • rollers (4,5,11,16) are in contact in the nips with the nip pressures (8,9,17) at the roll (2), and due to their surface behavior, they determine the package hardness of roll (2).
  • the rollers (4,5,11,16) are, thus, essentially of the same design and are given by rollers (10) whose inner design is visible in Figure 3.
  • the roller (10) is composed of a cylindrical, hollow roller (21) in which a rotation-symmetrical end piece (22) is inserted at the ends, for example, it is welded in, and extends outward past the end of the hollow roller (21) and there forms the roller lug (23). These parts together form the roller element (24).
  • the illustrated configuration is sufficient when the length of the roller (10) is not too large and the load is not too great.
  • the hollow roller (21) can be a part of a hydraulic, internal-braced roller, for example, of a flexural-controlled roller according to DE-OS 22 30 139, for instance.
  • the outer perimeter (25) of the roller element (24) is cylindrical.
  • An intermediate layer (26) made of a compact, elastic, flexible polyurethane with Shore A hardness of 50° is attached to the outer perimeter (25).
  • the wall thickness corresponds to that of the cylindrical roller tube (21) and amounts to about 30 mm.
  • screw-shaped circumferential grooves (27,28) whose width is about 4 mm and whose depth is about 12 mm.
  • the perimeter grooves (27,28) form a two-thread screw.
  • the two-screw threads formed by the perimeter grooves (27) or (28) are connected by means of connecting holes (29,31) to a central drilled hole (32) in the roller lug (23) through which a coolant, for example, air or water, can be fed, which is pumped through the perimeter grooves (27,28) from left to right in Figure 3.
  • the roller (10) is appropriately designed at the right end and contains a drain line there for the coolant.
  • Other liquid lines are also known. It is important only that the perimeter grooves (27,28) be distributed uniformly along the perimeter and that they be relatively closely packed together.
  • the cylindrical, outer perimeter of the intermediate layer (26) is covered by a thin-wall roller mantle (33) of spring steel of about 2 mm radial thickness that is braced against the intermediate layer (26) and covers it over its entire surface.
  • a thin-wall roller mantle (33) of spring steel of about 2 mm radial thickness that is braced against the intermediate layer (26) and covers it over its entire surface.
  • the downward open grooves (27,28) that have an essentially rectangular cross-section with rounded bottom are closed off on the outside by the roller mantle (33).
  • roller mantle (33) rests essentially over the entire length of the roller and is securely touching the intermediate layer (26). But at the ends, the outer perimeter of the intermediate layer (26) moves inward at (26') away from the inner perimeter of the roller mantle (33). This feature is used to increase the flexibility and to prevent destruction due to edge effects.
  • the outside of the roller mantle (33) has a coating (36) of hard metal in order to counteract the long-term, abrasive effect of the paper sheet (1) and to increase the coefficient of friction between the roller mantle (33) and the paper sheet (1).
  • the roller (10) is relatively easy to deform in a plane perpendicular to the axis because the roller mantle (33) is made of thin, spring steel and is only elastically supported by the intermediate layer (26).
  • the roller mantle (33) is, thus, pushed and touches the perimeter of the roll in the nip in a contact area (35) which is relatively broad, due to the contact; at any rate, it is broader than it would be for an entirely rigid counter-roller.
  • the contact force occurring per length unit is thus distributed to this relatively large contact area (35) so that a rather low, specific nip pressure is generated which will assist in the formation of a low package hardness, which, in many cases, is desirable.

Landscapes

  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Winding Of Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Fixing For Electrophotography (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Tires In General (AREA)
  • Seal Device For Vehicle (AREA)
  • Executing Machine-Instructions (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Replacement Of Web Rolls (AREA)
  • Fats And Perfumes (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Claims (8)

  1. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) aus einer laufenden Papierbahn (1), wobei die Vorrichtung wenigstens eine Walze (4, 5, 11, 16) zum Stützen, Tragen oder Antreiben der Papierrolle (2) aufweist, die gewickelt wird, gekennzeichnet durch:
       einen Körper (24) mit einer zylindrischen äusseren Oberfläche (25) und einer Rotations-Längsachse;
       einen hohlen, flexiblen zylindrischen Mantel (33) der um den Körper (24) koaxial angeordnet ist, wobei der Mantel einen Zylinder aus Stahl mit einer Dicke von etwa 1 mm bis etwa 5 mm aufweist, so dass er elastisch verformbar ist in der radialen Richtung der Walze;
       eine zylindrische, hohle, elastisch verformbare Zwischenschicht (26), die um den Körper (24) angeordnet ist und sich zusammenhängend über diesen erstreckt, und die vom Mantel (33) umschlossen ist und diesen stützt, und die Zwischenschicht (26) aus einem Material ist, das eine Shore "A" Härte von zwischen etwa 30° und etwa 80° aufweist und radial eine Dicke von zwischen etwa 10 mm und 100 mm hat;
       mehrere sich über den Umfang erstreckende, nahe beieinander liegende Wände, die in der Zwischenschicht Kanäle (27, 28) bilden, wobei sich die Wände nach aussen erstrecken bis in die Nähe der inneren Oberfläche des Mantels (33), und wobei die Kanäle (27, 28) die sich über den Umfang der Zwischenschicht (26) erstrecken, so ausgebildet sind, dass ihre Querschnittsfläche mindesten 10 mm² ist.
  2. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, dadurch gekennzeichnet, dass:
       die Walzen (4, 5, 11, 16) weiter Wellenzapfen (23) aufweisen, die sich von jedem Ende des Körpers (24) axial nach aussen erstrecken; und die weiter wenigstens am einen Ende der Walze (2) im Wellenzapfen (23) des Körpers (24) Öffnungen (29, 31, 32) für Kühlmittel aufweist, um die Kanäle (27, 28) mit einer Quelle für Kühlmittel zu verbinden, die sich ausserhalb der Walze (4, 5, 11, 16) befindet, wobei Kühlmittel durch die Kanäle und aus der Walze hinaus zirkulieren kann.
  3. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, dadurch gekennzeichnet, dass:
       die Kanäle (27, 28) Rillen in der äusseren Zwischenschicht (26) umfassen, wobei die Rillen zum Mantel (33) hin offen sind.
  4. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, dadurch gekennzeichnet, dass:
       sich die Kanäle (27, 28) zusammenhängend in einem schraubenförmigen Muster um die Walze (4, 5, 11, 16), im wesentlichen über ihre ganze Länge erstrecken.
  5. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, dadurch gekennzeichnet, dass:
       die Kanäle (27, 28) länger und / oder breiter sind im Bereich der Ränder der Walze (4, 5, 11, 16) im Vergleich zu ihrer Tiefe und / oder zur Breite von dazwischen liegenden Bereichen der Walze.
  6. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, dadurch gekennzeichnet, dass:
       die Zwischenschicht (26) axial nach aussen (26') konisch ist ausserhalb des Arbeitsbereichs unter dem Rand ihres Walzenmantels (33), wo der Mantel auf das gewickelte Papier trifft.
  7. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, gekennzeichnet durch:
       mehrere Kanalwände, die sich auf der inneren Umfangsfläche des Mantels (33) abstützen, so dass die Kanäle offen sind gegen die innere Umfangsfläche des Mantels.
  8. Vorrichtung zum Aufwickeln einer gewickelten Rolle (2) nach Anspruch 1, gekennzeichnet durch:
       eine abnutzungsvermindernde Beschichtung (36) auf der äusseren Arbeitsoberfläche des Mantels (33).
EP91919703A 1990-11-05 1991-10-15 Aufwickelvorrichtung, verwendung einer walze und entsprechende walze Expired - Lifetime EP0556252B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1991919703 DE556252T1 (de) 1990-11-05 1991-10-15 Aufwickelvorrichtung, verwendung einer walze und entsprechende walze.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4035054A DE4035054C2 (de) 1990-11-05 1990-11-05 Wickelvorrichtung für Bahnen aus Papier oder dergleichen und Walze hierfür
DE4035054 1990-11-05
PCT/US1991/007605 WO1992007784A1 (en) 1990-11-05 1991-10-15 A winding device, use of a roller and corresponding roller

Publications (2)

Publication Number Publication Date
EP0556252A1 EP0556252A1 (de) 1993-08-25
EP0556252B1 true EP0556252B1 (de) 1994-12-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP91919703A Expired - Lifetime EP0556252B1 (de) 1990-11-05 1991-10-15 Aufwickelvorrichtung, verwendung einer walze und entsprechende walze

Country Status (10)

Country Link
EP (1) EP0556252B1 (de)
JP (1) JPH0780603B2 (de)
AT (1) ATE116263T1 (de)
BR (1) BR9107063A (de)
CA (1) CA2094815C (de)
DE (2) DE4035054C2 (de)
ES (1) ES2043582T3 (de)
FI (1) FI932005A0 (de)
PL (1) PL167649B1 (de)
WO (1) WO1992007784A1 (de)

Cited By (2)

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US5845868A (en) * 1997-07-03 1998-12-08 Valmet-Karlstad Ab Apparatus and method for winding paper
US5901918A (en) * 1997-07-03 1999-05-11 Valmet-Karlstad Ab Apparatus and method for winding paper

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DE29701616U1 (de) * 1997-01-31 1998-06-04 Beloit Technologies, Inc., Wilmington, Del. Walze, insbesondere für die Verwendung in Wickelvorrichtungen
FI107248B (fi) * 1998-11-04 2001-06-29 Metso Paper Inc Paperirainan rullain, rullaimen tela ja menetelmä rullaimessa
DE19925419A1 (de) * 1999-06-02 2000-12-07 Voith Sulzer Papiertech Patent Elastische Walze und Verfahren zum Herstellen einer solchen
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CN102756948B (zh) * 2011-04-27 2015-06-24 谢摞富 一种造纸卷纸缸装置
EP2687303A1 (de) 2012-07-20 2014-01-22 SMS Concast AG Rollenanordnung für eine Stranggiessanlage
JP2019099305A (ja) * 2017-11-30 2019-06-24 株式会社不二鉄工所 ローラ装置
CN112140716B (zh) * 2020-10-20 2022-08-09 泸州裕同包装科技有限公司 一种包装印刷机防纸张变形的印刷方法
CN112960434B (zh) * 2021-01-26 2021-10-15 黄山源点新材料科技有限公司 一种缠绕膜绕时的压膜紧实装置

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Publication number Priority date Publication date Assignee Title
US5845868A (en) * 1997-07-03 1998-12-08 Valmet-Karlstad Ab Apparatus and method for winding paper
US5901918A (en) * 1997-07-03 1999-05-11 Valmet-Karlstad Ab Apparatus and method for winding paper

Also Published As

Publication number Publication date
BR9107063A (pt) 1993-09-14
JPH05508604A (ja) 1993-12-02
FI932005A (fi) 1993-05-04
DE69106387D1 (de) 1995-02-09
DE69106387T2 (de) 1995-05-04
EP0556252A1 (de) 1993-08-25
ES2043582T1 (es) 1994-01-01
ATE116263T1 (de) 1995-01-15
ES2043582T3 (es) 1995-04-01
CA2094815C (en) 1999-01-19
PL167649B1 (pl) 1995-10-31
CA2094815A1 (en) 1992-05-06
DE4035054A1 (de) 1992-05-07
JPH0780603B2 (ja) 1995-08-30
WO1992007784A1 (en) 1992-05-14
FI932005A0 (fi) 1993-05-04
DE4035054C2 (de) 1996-12-12

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