EP0987204B1 - Dispositif pour enrouler des bandes - Google Patents

Dispositif pour enrouler des bandes Download PDF

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Publication number
EP0987204B1
EP0987204B1 EP99116650A EP99116650A EP0987204B1 EP 0987204 B1 EP0987204 B1 EP 0987204B1 EP 99116650 A EP99116650 A EP 99116650A EP 99116650 A EP99116650 A EP 99116650A EP 0987204 B1 EP0987204 B1 EP 0987204B1
Authority
EP
European Patent Office
Prior art keywords
sealing element
bottom wall
sealing body
winding
sealing
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
EP99116650A
Other languages
German (de)
English (en)
Other versions
EP0987204A1 (fr
Inventor
Rainer Pumpe
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 Paper Patent 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0987204A1 publication Critical patent/EP0987204A1/fr
Application granted granted Critical
Publication of EP0987204B1 publication Critical patent/EP0987204B1/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
    • 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
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/13—Means using fluid made only for exhausting gaseous medium pressure arrangement for compensating weight of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/13—Means using fluid made only for exhausting gaseous medium pressure arrangement for compensating weight of handled material
    • B65H2406/131—Means using fluid made only for exhausting gaseous medium pressure arrangement for compensating weight of handled material in combination with rollers or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/232—Winding beds consisting of two rollers
    • B65H2408/2321—Winding beds consisting of two rollers with winding bed supplied with vacuum or compressed air

Definitions

  • the invention relates to a roll winding device a winding bed, which has two support rollers, the Form side walls of a pressure chamber, which is also from a Bottom wall is limited, being between the bottom wall and at least one support roller a movable sealing body is arranged.
  • EP 0 769 465 A2 describes such a roll winding device.
  • This support roller winding machine has one Winding bed, which is formed from two support rollers, form the side walls of a printing room, which also of a bottom wall is limited by a blow box is formed. Between the blow box and the two Carrier rollers are each a movable sealing body arranged.
  • the inlet side sealing body is essentially tangential to the inlet side Carrier roller in the direction of the other carrier roller slidable to a gap between the support roller and to create the sealing body through which a material web can be introduced.
  • the other seal body is around a pivot point on the blow box pivotable and can thus be from the outlet side Carrier roller are pivoted away, for example, a Let the separator retract.
  • Another roll winding device is, for example known from DE 195 24 905 A1.
  • paper webs In one of the last manufacturing steps, paper webs usually cut to the correct width and then rolled up in rolls before packed and shipped.
  • the winding cores on in contrast, which are wound up the paper rolls to those used during paper production Drums only a relatively low stiffness and Load capacity. They are often designed as cardboard tubes. This causes the paper rolls to curl are usually supported by support rollers. This is particularly pronounced when the winding device is designed as a roller winder. Here the roll rests on carrier rollers without additional Attack holding forces on the core. But also with a back-up roller roller with additional holding means attack the roll core, there is a support on a roller.
  • the air cushion is generated in the pressure chamber.
  • the pressure chamber is from the two support rollers on the left and right, from the winding roll above and from the bottom wall limited below. There are further sealing measures for the end faces provided, but for the present invention are of minor importance.
  • the bottom wall in operation should be as close as possible to the carrier rollers come close. If the web of material to be wound up but it runs into the changing bed from below, it is not favorable if the bottom wall touches the material web. On the other carrier roller, which is accordingly is not wrapped in the material web, however, can a sliding touch will be allowed if the surface of the bottom wall is designed accordingly is. In most cases you will be with both Allow carrier rollers a small gap.
  • the bottom wall usually needs cover the entire axial length of the winding device. This is usually based on the working width adjusted upstream paper machine and can accordingly up to 10 m. This configuration it makes it difficult to have a constant sealing gap between the support rollers and the bottom wall. The pivoting in and out of the bottom wall is also relative expensive because large masses have to be moved.
  • the invention has for its object the handling to simplify in the area of the seal.
  • This task is done with a roll winding device of the type mentioned in that the Seal body in the direction of a sealing position with a hiring force.
  • the bottom wall which is also in Form of a "blow box", ie as a body with a certain Extension in space, can be formed rigid, so immovable relative to the support rollers his. This avoids that larger masses have to be moved.
  • the bottom wall can be made with a relative high accuracy compared to the support rollers become. This position can be maintained during operation without a complicated structure is.
  • the shape of the bottom wall or the Blow box also remain unchanged. It can for example a normal rectangular profile with the act shape-related stability. Changes in the Geometry is only created by the sealing body or bodies causes.
  • the sealing body is a separate component, that in the space between the carrier roller and the box having the bottom wall inserted can be.
  • the sealing body is a relatively light component compared to the bottom wall. Because the sealing body extends over its axial Length, i.e. parallel to the axis of rotation of the support roller, can support the box of the bottom wall, he must themselves do not have too great inherent stability. It there is an additional gap, if necessary must be sealed, namely between the bottom wall and the sealing body. The air loss that can occur through this gap, but is caused by the advantages of the movable seal on a rigid fixed floor wall.
  • the sealing body is not rigid or immovable on the bottom wall fixed, but it is set in by a hiring force held the desired position. Now if a force acts in the opposite direction, for example by tapering Paper in the event of a malfunction, then the sealing body automatically pushed away and leaves the lump of paper by. The risk of damage then becomes kept small.
  • the sealing body is advantageously in a Movable away from the changing bed.
  • This configuration has an advantage especially related to an outline of the material web, which in practice now and then occurs again. Especially when the material web tears in the area between the two support rollers, the material web is conveyed into the changing bed, without being taken up by the winding roll becomes. In this case there is a lump of paper that damage to the support rollers and / or the bottom wall can lead. If now the sealing body is movable away from the changing bed, then it moves in just the right direction to get the paper web out of the Let the area between the support rollers escape.
  • the contact force is the sum from the weight of the sealing body and one force resulting from a compressed air load essentially in balance.
  • the hiring force should at most be a little bigger.
  • small forces arise at the very beginning Fault situation, so that a larger formation of errors Fault situation, so that a larger formation of errors can be avoided.
  • threading a web is easier if the web is between the bottom the idler rollers is introduced because of smaller forces are needed to get the seal body off the idler remove to provide the necessary handling space to deliver.
  • the sealing body is preferably with a spring force loaded.
  • the spring presses the seal body in its sealing position. This is a very simple one and practically maintenance-free design.
  • the sealing body is with a path-independent force from one Actuator loaded.
  • the servomotor can for example pneumatic, hydraulic, electric or magnetic work.
  • the sealing body interacts with a movement stop.
  • This movement stop can, for example be arranged on the bottom wall. With this configuration can be achieved that the seals on the Seal the sealing body without contact to the support rollers. The movement of the sealing body is in each case limited by a stop.
  • the sealing body with a slide bar of the support roller. In this case there is a touching Poetry. The stroke or movement of the seal body is then only limited by the support roller.
  • the sealing body preferably acts with a position sensor together, when the Sealing body away from the support roller an error signal emits.
  • this sensor for example be designed as a movement or proximity switch may be stopping the winder or even controlled knocking off of the material web possible. So far, one problem has been that no one knows exactly when there is a paper jam between the support rollers (which are usually used Web tension measuring systems can detect a paper tear an interruption formed by the support roller and paper roll do not recognize, so the paper continues is promoted. If this error occurs and due to the accumulation of paper (or some other Material web) of the sealing body to the right or left of the bottom wall is moved, then the winding device can be stopped for safety reasons. This also has the advantage that the further Avoid agglomeration of paper in the changing bed can be.
  • the sealing body is movable along a plane that opposite a vertical central plane through the winding bed is inclined. In this case, the sealing body still moving under the floor wall when moving be so that the released opening or gap gets even bigger. This increases the risk of it becoming a Paper or material jam comes even smaller.
  • a roll winding device 1 has two driven Carrier rollers 2, 3, between which a winding bed 4th is formed. There is a winding roll 5 in the winding bed 4. This is used to wind up a material web 6 Feed of the material web 6 is not shown in more detail in FIG. 1 shown. Possible web runs result from the individual representations of FIG. 2nd
  • Fig. 2a shows that the material web 6 from the bottom right is supplied, the left support roller 2 wraps around about 180 ° and then runs into the changing bed 4.
  • FIG. 2b shows a winding technique in which the material web is fed from the bottom right and the right carrier roller 3 wraps around an angle of about 90 °, before contacting the winding roll 5 comes.
  • the web runs can also be mirror-symmetrical align to a plane that is perpendicular between the two support rollers 2, 3.
  • the roll weight increases the winding roller 5.-This increases the contact pressure in the nips between the winding roll 5 and the Carrier rollers 2, 3. This pressure is one of the Factors influencing the winding hardness of the winding roll 5. Especially when winding up a paper web (The same applies to comparable railways, in particular Plastic or metal foils) you want one Achieve winding hardness curve at which the winding hardness decreases from the inside out.
  • a pressure chamber 7 is provided to the left of one support roller 2, to the right of the other support roller 3 and above is limited by the winding roller 5. frontal Limitations are not shown here, however available.
  • a bottom wall 8 which acts as an air box 9 is formed.
  • the air box 9 also has one Feed channel 10 through which compressed air into the Pressure chamber 7 can be fed.
  • sealing body 12, 13 provided in 3 perpendicular to the top the bottom wall 8 are movable.
  • the sealing body 12 in its most extended Position shown, while the sealing body 13 in the most retracted position is.
  • Each sealing body 12, 13 faces the respective one Carrier roller 2, 3 side facing a sealing strip 14 on that with the respective peripheral surface of the support roller 2, 3 cooperates.
  • a stop 15 which is set is that between the sealing strip 14 and the support roller 2, 3 forms a small gap. The Sealing is done without contact. Of course he can Stop 15 also arranged at another location his.
  • the sealing body 12, 13 are of linear working Servomotors 16 in the direction of the support rollers 2, 3rd pushed or moved until they abut the stop 15.
  • the force that the respective servomotor 16 exerts is only so large that it is sufficient, its own weight of the respective sealing body 12 and others in the direction the force of gravity acting on the sealing body 12 Balance forces, such as forces, which are applied by the pressure in the pressure chamber 7. If now - for whatever reason - an outline of the Material web 6 takes place in the changing bed 4, then the Material web 6 was further promoted, but not anymore wound on the winding roll 5. Then it arises a lump of paper in the changing bed, which can also be found in the Pushes pressure chamber 7. This lump then pushes open one of the two sealing bodies 12, 13. The result force increase is sufficient to the sealing body in the position shown for the sealing body 13 to postpone. This creates the gap 11 through which the material web 6 from the pressure chamber 7 can escape. This eliminates the risk of a web break leads to greater damage, kept small.
  • the servomotors 16 work with a path length independent Force. So if the sealing body 12, 13th pressed down is with increasing impressions no major force required. This has the advantage that as soon as a fault occurs and a web of material 6 presses on the sealing body 13, the largest possible gap 11 arises. However, then an auxiliary power is available for the servomotors 16 be put, for example compressed air, a hydraulic Pressure or an electric current.
  • a sensor 17 is provided, the a change in position of the sealing body 12, 13 determined.
  • the sensor 17 can then emit a signal that stops the winding device 1 and the material web hitting off.
  • a web break in the changing bed 4 can namely by determining the tensile stress the winding device are practically not recognized. Since one of the two occurs when a fault occurs Sealing body 12, 13 with a high probability is pushed down, then you can make a mistake recognize with the same high probability.
  • Fig. 3 shows a connection between the sealing bodies 12, 13 and the air box 9 only at the lower end of the servomotors 16. These are there on projections 18th supported. In a manner not shown, however for the sealing body 12, 13 a linear guide on the Outside wall of the air box 9 is provided.
  • Fig. 4 shows a modified embodiment in which same parts are provided with the same reference numerals.
  • the servomotors 16 are replaced been by springs 19.
  • the springs 19 are here dimensioned so that the one shown in Fig. 4 on the left End position of the sealing body 12 an equilibrium state exists, i.e. the spring 19 acts on the dead weight of the sealing body 12 and the compressive forces against the air pressure so that the forces on the Seal body 12 are almost balanced.
  • 4 are the sealing body 12, 13 also not against stops 15.
  • the Sealing strips 14 are rather on the support rollers 2, 3 on. Since, as I said, almost a balance of power there is, the contact pressure of the sealing strips 14th on the support rollers 2, 3 very low.
  • the incoming paper web hits a sealing body, for example the sealing body 13, and pushes it down against the force of the spring 19, so that the gap 11 is released and the paper web can be pushed out again.
  • a sealing body for example the sealing body 13
  • FIG. 5 shows another embodiment.
  • the sealing body 12 linearly shifted and that along the outer wall of the air box 9.
  • the sealing bodies 12, 13 are attached to levers 20, which can be pivoted about the axis of rotation 21 of the support rollers 2, 3 are.
  • the levers 20 are in the direction of the double arrow 22 from a working position shown on the left in FIG. 5, in which the gap 11 between the air box 9 and the support roller 2 is closed, and in Fig. 5 position shown on the right, in which the gap 11 is open, pivotable.
  • the sealing body 12, 13 are rigid at the free ends of the levers 20 attached so that they are aligned with the support rollers 2, 3 do not change when wasted. Accordingly they "fit" exactly in the gap 11 when they are in 5 position shown on the left are pivoted.
  • This configuration is particularly suitable for web runs, as shown in Figs. 2a and 2b.
  • FIGS. 1 and 5 The trajectories shown in FIGS. 1 and 5 the sealing body 12, 13 each provide certain Limit cases. Of course you can use the sealing body 12, 13 also move on other tracks that between these two borders. 1 and 5 movements shown have the advantage that existing elements in the winding device 1 can use to support the sealing body 12, 13.
  • FIGS. 6 and 7 show a further embodiment of a Reel winding device. This differs from the ones shown above, that the two support rollers 2, 3 different diameters exhibit. But it is also possible that their Rotation axes arranged at different heights are.
  • the bottom wall 8 is in the direction of the movable Sealing body 12 inclined.
  • the bottom wall 8 thus closes an angle to a plane 27 which the vertical median plane of the changing bed, one that is less than 90 °.
  • the direction of movement of the movable seal body 12 no longer runs parallel to this plane 27, but is at an angle in the range between 15 ° and 45 ° to this plane 27 inclined.
  • FIG. 7 is created when the sealing body moves back 12 a relatively large gap 11 between the support roller 2 and the sealing strip 14, so that the running out one led into pressure chamber 7 in the event of a fault Material web 6 becomes easier.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Claims (11)

  1. Dispositif pour enrouler des bandes avec un banc de bobinage (4), qui présente deux rouleaux de support. (2, 3) qui forment les parois latérales d'une chambre sous pression, qui est également limitée par une paroi de fond (8), dans lequel un corps d'étanchéité mobile (12, 13) est disposé entre la paroi de fond (8) et au moins un rouleau de support (2, 3), caractérisé en ce que le corps d'étanchéité (12, 13) est soumis à une force d'accostage en direction d'une position d'étanchéité.
  2. Dispositif suivant la revendication 1, caractérisé en ce que le corps d'étanchéité (12, 13) est mobile dans une direction opposée au banc de bobinage (4).
  3. Dispositif suivant la revendication 1 ou 2, caractérisé en ce que la force d'accostage est sensiblement en équilibre avec la somme du poids propre du corps d'étanchéité (12, 13) et d'une force résultant d'une mise en charge à l'air comprimé.
  4. Dispositif suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que le corps d'étanchéité (12, 13) est soumis à la force d'un ressort (19).
  5. Dispositif suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que le corps d'étanchéité (12, 13) est soumis à une force indépendante de la longueur de la course appliquée par un servomoteur (16).
  6. Dispositif suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que le corps d'étanchéité (12, 13) coopère avec une butée de mouvement (15).
  7. Dispositif suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que le corps d'étanchéité (12, 13) est appliqué par une latte de glissement (14) sur le rouleau de support (2, 3).
  8. Dispositif suivant l'une quelconque des revendications 1 à 7, caractérisé en ce que le corps d'étanchéité (12, 13) coopère avec un détecteur de position (17), qui émet un signal de défaut en cas d'écartement du corps d'étanchéité (12, 13) par rapport au rouleau de support (2, 3).
  9. Dispositif suivant l'une quelconque des revendications 1 à 8, caractérisé en ce que le corps d'étanchéité (12) est mobile le long d'un plan, qui est incliné par rapport à un plan central vertical (27) mené à travers le banc de bobinage (4).
  10. Dispositif suivant la revendication 9, caractérisé en ce que la paroi de fond (8) est inclinée en direction du corps d'étanchéité (12).
  11. Dispositif suivant la revendication 9 ou 10, caractérisé en ce qu'une garniture d'étanchéité stationnaire (26) est disposée entre la paroi de fond (8) et un rouleau de support (3), dans lequel le sens de rotation (25) de ce rouleau de support (3) va de la paroi de fond (8) vers le banc de bobinage (4).
EP99116650A 1998-09-15 1999-08-26 Dispositif pour enrouler des bandes Expired - Lifetime EP0987204B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19842188 1998-09-15
DE19842188A DE19842188A1 (de) 1998-09-15 1998-09-15 Rollenwickeleinrichtung

Publications (2)

Publication Number Publication Date
EP0987204A1 EP0987204A1 (fr) 2000-03-22
EP0987204B1 true EP0987204B1 (fr) 2003-05-02

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ID=7881021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116650A Expired - Lifetime EP0987204B1 (fr) 1998-09-15 1999-08-26 Dispositif pour enrouler des bandes

Country Status (3)

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US (1) US6360983B1 (fr)
EP (1) EP0987204B1 (fr)
DE (2) DE19842188A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3622849B2 (ja) * 2001-12-06 2005-02-23 株式会社東京機械製作所 折畳装置の紙詰り検出装置
CN106241450A (zh) * 2016-08-17 2016-12-21 长兴诺鑫纺织机械有限公司 一种具有自动纠偏功能的打卷装置

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
US3004728A (en) * 1959-12-01 1961-10-17 Gen Electric Oscillographic recorder
US3497151A (en) * 1968-08-14 1970-02-24 Ontario Paper Co Ltd Paper machine winder
US4420124A (en) * 1981-11-05 1983-12-13 Spencer Wright Industries, Inc. Carpet rolling machine
DE4219541A1 (de) * 1992-06-15 1993-12-16 Jagenberg Ag Tragwalzen-Wickelmaschine
FI103398B1 (fi) * 1993-06-30 1999-06-30 Valmet Paper Machinery Inc Kantotelarullain
FI92995C (fi) * 1993-06-30 1995-02-10 Valmet Paper Machinery Inc Kantotelarullain
ES2119057T5 (es) 1994-01-31 2001-12-16 Voith Sulzer Papiertech Patent Maquina arrolladora para arrollar una banda de papel continuo.
DE4402624A1 (de) * 1994-01-31 1994-06-23 Voith Gmbh J M Wickelmaschine zum Aufwickeln einer laufenden Papierbahn
DE9414449U1 (de) * 1994-09-06 1996-01-11 Beloit Technologies, Inc., Wilmington, Del. Wickelmaschine
DE19524905A1 (de) * 1995-07-08 1997-01-09 Jagenberg Papiertech Gmbh Tragwalzen-Wickelmaschine
DE19538972A1 (de) * 1995-10-19 1997-04-24 Voith Sulzer Papiermasch Gmbh Blaskasten-Verbindungswand
DE19538973A1 (de) * 1995-10-19 1997-04-24 Voith Sulzer Papiermasch Gmbh Tragwalzen-Wickelmaschine
US5839689A (en) * 1995-10-19 1998-11-24 Voith Sulzer Papiermaschinen Gmbh Air box for web carrier rolls and having a connecting wall
DE19606755A1 (de) * 1996-02-23 1997-08-28 Voith Sulzer Papiermasch Gmbh Wickelmaschine zum Auf- oder Abwickeln einer Material-Bahn
DE19606758C2 (de) * 1996-02-23 1999-11-25 Voith Sulzer Papiermasch Gmbh Wickelmaschine
DE19624716A1 (de) * 1996-06-21 1996-11-21 Voith Sulzer Papiermasch Gmbh Wickelmaschine zum Aufwickeln einer laufenden Papierbahn
DE19709325A1 (de) * 1997-03-07 1998-09-10 Jagenberg Papiertech Gmbh Tragwalzen-Wickelmaschine

Also Published As

Publication number Publication date
US6360983B1 (en) 2002-03-26
DE19842188A1 (de) 2000-03-23
EP0987204A1 (fr) 2000-03-22
DE59905296D1 (de) 2003-06-05

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