EP0243748B1 - Dispositif pour enrouler plusieurs bandes minces obtenues par découpage longitudinal d'une bande large - Google Patents

Dispositif pour enrouler plusieurs bandes minces obtenues par découpage longitudinal d'une bande large Download PDF

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Publication number
EP0243748B1
EP0243748B1 EP87105212A EP87105212A EP0243748B1 EP 0243748 B1 EP0243748 B1 EP 0243748B1 EP 87105212 A EP87105212 A EP 87105212A EP 87105212 A EP87105212 A EP 87105212A EP 0243748 B1 EP0243748 B1 EP 0243748B1
Authority
EP
European Patent Office
Prior art keywords
winding
web
narrow
guide
webs
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
EP87105212A
Other languages
German (de)
English (en)
Other versions
EP0243748A2 (fr
EP0243748A3 (en
Inventor
Rudolf Diplom-Ingenieur Peter
Rolf Diplom-Ingenieur Kammann
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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
Priority claimed from DE3636685A external-priority patent/DE3636685C2/de
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to AT87105212T priority Critical patent/ATE55357T1/de
Publication of EP0243748A2 publication Critical patent/EP0243748A2/fr
Publication of EP0243748A3 publication Critical patent/EP0243748A3/de
Application granted granted Critical
Publication of EP0243748B1 publication Critical patent/EP0243748B1/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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2284—Simultaneous winding at several stations, e.g. slitter-rewinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5133—Removing electrostatic charge

Definitions

  • the invention relates to a device for winding a plurality of narrow material webs formed by longitudinally cutting a wide material web into supply rolls with guide rollers for the webs, with knives for longitudinally cutting the rear material web, with winding devices with winding cores for the narrow material webs, with a central, the narrow material webs on both sides
  • diverging guide roller each in a bogie rotatably mounted in the machine frame with turning drives provided with rotary drives are provided with two winding devices each, and each with the winding device arranged on the inside of the guide roller, each with a separating knife pivotally mounted in the machine frame with a pressure roller is.
  • Such a device is known for example from GB-A-932 151.
  • the winding cores are pivoted by the turning disks provided with rotary drives after completion of the web of material web.
  • the turning disks and their corresponding rotary drive must be designed in such a way that the rather heavy finished material web windings can be pivoted from their winding position into the removal position.
  • the object of the invention is to develop a generic device in such a way that with good winding quality of the supply rolls wound from the narrow material webs, a roll change with simple handling is permitted without interrupting the continuous web feed.
  • this object is achieved in a generic device in that the winding shafts are guided parallel to themselves by drives in drives of the turning disks on a diameter line.
  • the device according to the invention permits continuous winding of the narrow material webs formed by cutting the wide material web lengthwise, no interruption of operation being necessary for the purpose of changing the reel.
  • the support rollers are pivoted onto the rolls.
  • the carriage is then moved into the center of the turning discs and the bogie is rotated by 180 °, so that the completely wound supply roll lies in the center of the bogie and a prepared winding core, for example a glued winding tube, for winding a new supply roll in the area of the central guide roller is pivoted.
  • a prepared winding core for example a glued winding tube
  • the separating knife is then actuated so that the web running onto the finished supply roll is cut and at the same time the beginning of the web formed by the separating cut is pressed onto the winding core.
  • the new supply roll is now wound onto the new winding core, while the completely wound supply roll is moved from the center into the end region of the guides and removed and a new winding core is placed on the pin or the axis of the winding device in question.
  • the almost completely wound supply roll according to its method in the center of the bogie can be blocked with this with the winding axis aligned with the axis of rotation of the bogie.
  • the central guide roll forms a contact roll to which the supply rolls that are formed are set during winding. Air inclusions are reduced by the contact roller.
  • the web to be wound can be fed tangentially with the desired tension.
  • Rollers which are pivotably mounted on levers are expediently provided in the machine frame and can be adjusted to the supply rolls between the supply rolls moved into the center of the bogie and the contact roll.
  • the rollers are swung into the center of the bogie before each movement of the supply rolls, i.e. at the beginning of each roll change, on the supply rolls and remain there until the supply rolls are removed from the machine after the roll change. They are intended to prevent the web from running sideways during the process and to ensure that air pockets are avoided after the supply rolls have been removed from the contact roller.
  • the two winding devices mounted in each bogie can be moved in their guides by means of spindles or pressure medium piston cylinder units.
  • so-called rodless pneumatic cylinders are expediently used, which are provided with longitudinal slots in which pins are connected directly to the piston are led. These pins are connected to the parts of the winding devices to be moved.
  • a further embodiment of the invention provides that opposite carriages which are movable in the guides and which carry the winding devices with their drives for synchronous guidance are connected to one another by the ends of chains which run in guides concentric with the axis of rotation in the edge region of the turning disks are that mesh with sprockets that are attached to fixed shafts. Both sides are coupled via the chains, sprockets and the shaft, so that the parallelism of both carriages to the contact roller is ensured and tilting is avoided.
  • the non-severed or severed narrow material webs then take the subsequent unseparated wide material web to the other winding device.
  • the continuing narrow web or the continuing narrow webs are then separated in the manner described and a wide winding tube is kept ready as a new winding tube, onto which the remaining lengths of the narrow webs are initially wound as initial pieces. These pull the uncut wide web, which is then wound on only one side of the device.
  • a supply roll change also takes place when winding a wide web in the manner described above.
  • the web lifter is pivoted from its inactive position in the direction of travel of the web, so that the web lifter lifts the web from the central guide or contact roller.
  • a prepared winding core for example a glued winding sleeve is pressed against the divided narrow web that is to be wound on the other winding point and pressed against the contact roller via the corresponding winding device, the narrow web can be wound on this, if previously by the separating knife the web lifter has severed this web, thereby creating a front end of the web to be wound up.
  • the continuous, longitudinally separated web runs over the web lifter to the winding device on which the finished wound supply roll with the wide material web is located.
  • a roll change is carried out in the manner described, the new winding core being formed by an appropriately prepared narrow winding core or narrow winding tube.
  • the separating knife of the web lifter expediently cuts through the narrow web that only runs over a small wrap angle via the guide roller to the winding device.
  • the curved sliding surface of the web lifter is provided with perforations for the discharge of compressed air.
  • the web lifter is provided with a chamber which is supplied with compressed air via corresponding lines and rotary unions.
  • the separating knife can be displaceably guided in a longitudinal slot of the web lifter and can be moved by the piston of a rodless cylinder.
  • the web lifter and / or the pivotably mounted knives are expediently pivotably supported via bearing rings on the shaft of the guide roller.
  • the device according to the invention thus consists of a longitudinal cutting device with two winding stations which are designed as a turret winder.
  • the winding can be done without an axle or with a winding shaft.
  • the device enables a transition from the winding of a wide film to longitudinally cut films and vice versa.
  • the supply rolls are moved into the center of the turning disc before the turning discs are pivoted.
  • the support roller is placed on the supply roll (s) before the roll (s) move and before the turning disc is swung through.
  • the reel changing devices are designed so that the pressure rollers of the reel changing device which touch the web cause only a slight wrap around the incoming web and thus no significant changes in length of the incoming web or changes in tension occur.
  • the two side walls 1, 2 of a frame are connected to one another by cross members 3 and a shaft 4.
  • the shaft 4 is rotatably supported in the side walls 1 and 2 and can be driven by a motor 5.
  • the shaft 4 In its central region, the shaft 4 carries a contact roller 6, which is firmly connected to the shaft 4.
  • the web lifter 11 consists of a profile tube 12 which is approximately semicircular in cross section for receiving a rodless cylinder 13.
  • a knife carrier 14 is fixedly connected to the piston of this cylinder 13 and protrudes from a slot 15 of the profile tube 12 and has a knife blade 16 at its free end. Compressed air can be blown outwards through a plurality of slots 17 provided in the profile tube 12.
  • the pivoting of the web lifter takes place via a sprocket 18 connected to a bearing ring 7, which is connected via a chain 19 to the sprocket 20 of a geared motor 21.
  • both the upper and the lower half of each turning disc 43 are encompassed by a parallel guide chain 54 or 55, the upper parallel guide chain 54 being guided via guide rollers 56 with the end shield 46 'and the lower parallel guide chain 55 being guided via guide rollers 57 with the End shield 46 "is firmly connected.
  • a continuous shaft 58 is rotatably mounted below the turning discs 43, which has two sprockets 59. These two sprockets are connected to the two lower parallel guide chains 55.
  • two chain pieces are placed on each turning disk 43 in this area, the ends 61 and 62 of which are firmly connected to the turning disks 43. From Fig. 8 it is clear that the transition chain pieces 59 and 60 are adjacent to the parallel guide chains 54 and 55. In order to be able to bring both the transition chain pieces 59 and 60 and the parallel guide chains 54 and 55 into engagement with the chain wheel 59, this is designed as a wide double chain wheel.
  • the turning disks 43 themselves are each equipped with an outer ring gear 63.
  • a gear 64 meshes with the teeth of these sprockets, of which only one gear 64 is shown in FIG. 3.
  • the two gear wheels 64 each belonging to two turning disks 43, are connected to one another by the turning disk drive shaft 65 and can be driven by the motor 66, which is fixedly connected to a frame side wall and the drive shaft of which is flanged to the turning disk drive shaft 65.
  • winding sleeves 67 sit on the winding shaft.
  • the material web rolls 68 to be wound on these winding sleeves 67 are assigned pressure rollers 69 which are articulated via levers 70 on a rod 71 which is mounted in the frame side walls.
  • the pressure rollers 69 are moved via pneumatic piston-cylinder units 72.
  • FIG. 3 shows that each turning plate 43 has two locking bolts 73, 74 which can engage in corresponding openings in the end shields 46 in order to be able to lock the movement of the end shields 46 with respect to the turning plates 43. This happens whenever the two end shields 46 of two turning disks 43 are in the middle position, which is shown in the left half of FIG. 1.
  • a wide continuous material web 75 is fed via a guide roller 76 to a longitudinal cutting device 77, by means of which the wide material web is cut into two or more narrower webs. These narrower webs reach the contact roller 6 via a further deflection roller 78.
  • One of the two narrow webs of material is wound on the left and the other on the right side of the device shown in FIG. 1.
  • the left side shows an almost full web of material web 68, which is displaced into the middle together with the associated winding shaft 51 by means of the upper piston-cylinder units 52 'shown in FIGS. 2 and 3 and locked there.
  • the bearing plate 46 is shown for the material web roll 68 pushed into the middle.
  • the two turning disks 43 carry two further end plates, which are not shown for the sake of simplicity.
  • a winding sleeve 67 ' is placed and braced on the winding shaft carried by these end shields. This winding sleeve 67 'is covered with strips of glue.
  • the narrow web of material 75 ' consequently runs over the contact roller 6, 6, the winding tube 67' to the web of material web 68, to which the web is pressed via the support roller 69.
  • the piston-cylinder units 37 and 40 are actuated, as a result of which the cutter bar 34 and the pressure roller 34 'assigned to it are pivoted into the narrow material web 75'.
  • the pressure roller 34 lies against the winding tube 67' and presses the new beginning of the web onto this glued winding tube 67 '.
  • the cross cutting knife is then operated to separate the web with the aid of a rodless cylinder and the material web 75 'is cut.
  • the pressure roller 34 'assigned to the cutter bar 34 presses the new web start on the glued winding tube 67 ', so that a new web roll is formed at this point, while the then full web roll 68 is removed after the process in the left outer end position.
  • FIG. 1 shows a material web roll 68 'which has not yet been completely wound and on which the second narrow web part 75 "runs.
  • the support roller 69 is pivoted onto the film roll.
  • the end shields 46 are then 'Move to the right into the middle of the two turning disks 43 and lock there.
  • the turning disks 43 are pivoted counterclockwise by the drive motor 66 until the newly inserted winding sleeve 67 "is in the winding position in which then the two linear guides 44 again run horizontally.
  • the cutter bar 35 is pivoted counterclockwise by the piston-cylinder units 38 and 42, so that the material web 75 "can be cut through and a new winding can be formed.
  • the position shown in FIG. 1 consequently, both on the left as well as on the right side of the device winding rollers formed.
  • this wide web is only wound up with the winding device shown on the left-hand side of FIG. 1.
  • the support rollers are first pivoted onto the rollers.
  • the end shields 46 'shown on the right in FIG. 1 are then moved to the center of the turning disks 43 and locked there.
  • the turning disks 43 are then rotated through the drive motor 66 through 180 ° until the end shields 46 "assume the position shown in FIG. 6 on the right side of the drawing.
  • the device according to the invention can be switched back to an mode of operation in both the left and the right side of the device without interruption for example, a narrow web is wound up.
  • the web lifter 11 is first pivoted from its basic position shown with dash-dotted lines into the position shown with solid lines via the drive motor 21. This situation is shown in Fig. 5.
  • the end shield 46 "is in a position remote from the contact roller 6. Only when the web lifter 11 has assumed the position shown in FIGS.
  • the knife 16 of the web lifter is then actuated and only cuts through the web 75 ", but not the web 75 '.

Landscapes

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

Claims (13)

1. Dispositif pour enrouler plusieurs bandes minces (75', 75") obtenues par découpage longitudinal d'une bande large (75) en bobines de réserve (68, 68'),
comportant des rouleaux guides (76, 78) pour les bandes
et des couteaux (77) pour le découpage longitudinal de la bande arrière (75),
comportant, par ailleurs, des dispositifs d'enroulement avec des noyaux d'enroulement (67, 67') pour les bandes minces (75', 75"),
alors que des deux côtés d'un rouleau guide (6) qui écarte les bandes minces (75', 75") dans le sens de sa marche, deux dispositifs d'enroulement (68, 68') sont prévus dans chacun des bogies, lesdits dispositifs comportant un axe rotatif parallèle au rouleau guide (6) et pivotant dans le bâti de machine au moyen de disques de retournement (43) pourvus d'entraînements en rotation,
à chaque dispositif d'enroulement (68, 68') disposé à l'intérieur par rapport au rouleau guide (6) étant associé un couteau de séparation (34; 35) avec un rouleau de serrage (34'; 35') pivotant dans le bâti de machine, caractérisé en ce que
les arbres d'enroulement (51) sont guidés de manière à pouvoir se déplacer sur une ligne de diamètre, parallèlement par rapport à eux-mêmes par des moteurs dans des guidages (44) dans les disques de retournement (43).
2. Dispositif selon la revendication 1, caractérisé en ce que chacun des deux dispositifs d'enroulement (68, 68') peuvent être déplacés d'une zone d'extrémité des guidages (44) dans la zone du centre du bogie où ils peuvent être bloqués par des éléments de verrouillage (73, 74) de manière à ce que l'arbre d'enroulement (51) du dispositif d'enroulement déplacé soit aligné sur l'axe de rotation du bogie.
3. Dispositif selon les revendications 1 et/ou 2, caractérisé en ce que le rouleau guide central (6) forme un rouleau de contact contre lequel viennent s'appuyer les bobines de réserve (68, 68') qui se forment pendant l'enroulement.
4. Dispositif selon l'une des revendications 1-3, caractérisé en ce qu'un espace faible restant approximativement égal est formé pendant l'enroulement entre le rouleau guide (6) et les bobines de réserve (68, 68').
5. Dispositif selon l'une des revendications 1-4, caractérisé en ce que des rouleaux (69), logés de manière pivotante par l'intermédiaire d'un levier, sont prévus dans le bâti de machine et qui, lors de chaque déplacement des bobines de réserve (68, 68') -donc au début de chaque changement de rouleau-, peuvent être placés en contact ou pivotés vers les bobines de réserve (68, 68') pour empêcher une déviation latérale de la bande pendant le déplacement et pour éviter des inclusions d'air après l'élimination du rouleau de contact.
6. Dispositif selon l'une des revendications 1-5, caractérisé en ce que les dispositifs d'enroulement peuvent être déplacés dans leurs guidages (44) au moyen d'unités pistons/cylindres à fluide (52', 52").
7. Dispositif selon l'une des revendications 1-6, caractérisé en ce que des chariots peuvent se déplacer dans les guidages opposés (44) et portent le dispositif d'enroulement avec ses moteurs, sont reliés par des chaînes (54, 55) se déplaçant pour la marche synchronisée avec les extrémités dans des guidages concentriques par rapport à l'axe de rotation, prévus dans la zone périphérique des disques de retournement, lesdites chaînes étant en prise avec des roues à chaînes (59) qui sont fixées sur des arbres (58) solidaires du bâti.
8. Dispositif selon l'une des revendications 1-7, caractérisé en ce que les couteaux (77), coupant la bande large en sens longitudinal, peuvent être relevés de celle-ci et qu'un couteau (34) est logé de manière pivotante sur un côté du rouleau guide (6) dans le bâti de machine, sur des leviers de pivotement de manière à pouvoir pivoter, et que ledit couteau sectionne une bande mince avançant vers une bobine de réserve (68).
9. Dispositif selon l'une des revendications 1-8, caractérisé en ce qu'un dispositif de soulèvement de la bande (11) qui est logé sur des leviers pivotant dans le bâti de machine, sur le même axe que les rouleaux guide et de contact (6) de manière à pouvoir pivoter, est pourvu d'un couteau de séparation (16) qui sectionne seulement une des bandes minces.
10. Dispositif selon la revendication 9, caractérisé en ce que le couteau de séparation (16) du dispositif de soulèvement de la bande (11) sectionne seulement la bande mince ou plusieurs bandes minces qui passent par dessus le plus petit angle d'enroulement sur le rouleau guide (6) vers un dispositif d'enroulement.
11. Dispositif selon la revendication 9 et/ou 10, caractérisé en ce que la surface de glissement bombée du dispositif de soulèvement de la bande (11) est pourvue de perforations (17) pour laisser sortir l'air sous pression.
12. Dispositif selon l'une des revendications 9-11, caractérisé en ce que le couteau de séparation (16) est guidé de manière à pouvoir se déplacer transversalement dans une fente longitudinale (15) du patin de glissement (11) et qu'il se déplace par le piston d'un cylindre (13) sans tige de piston.
13. Dispositif selon l'une des revendications 1-12, caractérisé en ce que le dispositif de soulèvement de la bande et/ou les couteaux logés de manière pivotante (34, 35, 36) sont logés de manière à pouvoir pivoter par l'intermédiaire d'anneaux supports (7, 8, 22 ... 27) sur l'arbre du rouleau guide (6).
EP87105212A 1986-04-28 1987-04-08 Dispositif pour enrouler plusieurs bandes minces obtenues par découpage longitudinal d'une bande large Expired - Lifetime EP0243748B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87105212T ATE55357T1 (de) 1986-04-28 1987-04-08 Vorrichtung zum wickeln von mehreren durch laengsschneiden einer breiten materialbahn gebildeten schmalen materialbahnen zu vorratsrollen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3614344 1986-04-28
DE3614344 1986-04-28
DE3636685 1986-10-28
DE3636685A DE3636685C2 (de) 1986-04-28 1986-10-28 Vorrichtung zum Wickeln von mehreren durch Längsschneiden einer breiten Materialbahn gebildeten schmalen Materialbahnen zu Vorratsrollen

Publications (3)

Publication Number Publication Date
EP0243748A2 EP0243748A2 (fr) 1987-11-04
EP0243748A3 EP0243748A3 (en) 1988-08-10
EP0243748B1 true EP0243748B1 (fr) 1990-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105212A Expired - Lifetime EP0243748B1 (fr) 1986-04-28 1987-04-08 Dispositif pour enrouler plusieurs bandes minces obtenues par découpage longitudinal d'une bande large

Country Status (5)

Country Link
US (1) US4767075A (fr)
EP (1) EP0243748B1 (fr)
JP (1) JPH0798597B2 (fr)
CA (1) CA1300112C (fr)
DE (1) DE3645252C2 (fr)

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US6092758A (en) * 1997-09-08 2000-07-25 Kimberly-Clark Worldwide, Inc. Adapter and dispenser for coreless rolls of products
US6092759A (en) * 1997-09-08 2000-07-25 Kimberly-Clark Worldwide, Inc. System for dispensing coreless rolls of product
US6082664A (en) * 1997-11-20 2000-07-04 Kimberly-Clark Worldwide, Inc. Coreless roll product and adapter
DE19801874A1 (de) * 1998-01-20 1999-07-22 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum Wickeln von Teilbahnen zu Teilbahnrollen
DE19814906B4 (de) * 1998-04-02 2004-03-04 Lubinski, Waclaw, Dipl.-Ing. Vorrichtung zum kontinuierlichen Wickeln von bahnförmigem Material
USD428286S (en) * 1998-05-29 2000-07-18 Kimberly-Clark Worldwide Dispenser adapter for coreless rolls of products
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US6138939A (en) * 1998-08-17 2000-10-31 Kimberly Clark Worldwide, Inc. Coreless adapter for dispensers of cored rolls of material
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JP5959259B2 (ja) 2012-03-26 2016-08-02 株式会社ジェイテクト ウエブ巻取装置

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Also Published As

Publication number Publication date
CA1300112C (fr) 1992-05-05
EP0243748A2 (fr) 1987-11-04
JPS6357460A (ja) 1988-03-12
DE3645252C2 (de) 1995-02-09
EP0243748A3 (en) 1988-08-10
US4767075A (en) 1988-08-30
JPH0798597B2 (ja) 1995-10-25

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