EP1205414B1 - Enrouleuse à entraînement péripherique et méthode pour la production de rouleaux de matériau en bande - Google Patents

Enrouleuse à entraînement péripherique et méthode pour la production de rouleaux de matériau en bande Download PDF

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Publication number
EP1205414B1
EP1205414B1 EP01122438A EP01122438A EP1205414B1 EP 1205414 B1 EP1205414 B1 EP 1205414B1 EP 01122438 A EP01122438 A EP 01122438A EP 01122438 A EP01122438 A EP 01122438A EP 1205414 B1 EP1205414 B1 EP 1205414B1
Authority
EP
European Patent Office
Prior art keywords
web material
blade
winding
roller
winding roller
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
EP01122438A
Other languages
German (de)
English (en)
Other versions
EP1205414A3 (fr
EP1205414A2 (fr
Inventor
Mauro Biagioni
Sergio Casella
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.)
Paper Converting Machine Co Italia SpA
Original Assignee
Paper Converting Machine Co Italia SpA
Paper Converting Machine Co
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 Paper Converting Machine Co Italia SpA, Paper Converting Machine Co filed Critical Paper Converting Machine Co Italia SpA
Publication of EP1205414A2 publication Critical patent/EP1205414A2/fr
Publication of EP1205414A3 publication Critical patent/EP1205414A3/fr
Application granted granted Critical
Publication of EP1205414B1 publication Critical patent/EP1205414B1/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
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/11—Machines or methods used for cutting special materials for cutting web rolls
    • 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
    • B65H2408/235—Cradles

Definitions

  • the present invention relates to a peripheral rewinding machine and relative rewinding method for the production of rolls or logs of web material, such as paper and the like, on a tubular support or core.
  • the roll is wound around a tubular core which is set in rotation between a group of three rollers that act on the periphery of the roll being formed, and the speeds of which are kept constant and equal during the winding cycle.
  • the group of three motorized rollers forms a space of variable size so that the three rollers are always in contact with the roll being formed, as the roll increases in diameter.
  • Two of the three rollers are placed at a fixed distance, so as to define a gap, through which the core is inserted, and in which the web material travels, whilst the third roller or pressure roller is movable to allow the diameter of the roll to increase and the roll to be expelled at the end of winding.
  • the speed change of said rollers alone, which is naturally of rather a large entity, causes tensioning and tearing of the web of paper following nipping thereof against the roller along which it is fed, nipping which can take place by means of a new core which is inserted in the winding space. After severing of the web of paper, entry of the new core into the winding space and discharge of the formed log take place through differences in speed between the two input rollers and the two output rollers, respectively.
  • this method of severing the paper requires large variations in speed between the rollers, and in particular strong accelerations of the pressure roller, which cause stress on the structure of the machine. Moreover, such methods make it difficult to sever the web material on a same perforated line.
  • the object of the invention is to eliminate the drawbacks of the solutions of the prior art, and therefore to provide a rewinding machine and a rewinding method that are reliable, simple to create and ensure precise cutting of the web material.
  • a blade carried by a rotating member pivoted on the axis of the roller around which the web material is wound and rotating in the same direction as said roller is provided.
  • the rotating member is actuated when the log is in the completion stage at a speed equal to or substantially similar to that of the web material, to be subsequently slowed or accelerated when it is inside the winding space, to cause tensioning and severing of the material. Normally severing of the material takes place along a line of perforation thereof.
  • W designates a web material, in particular paper, which is unwound from a large-sized roll, not shown, and, travelling in the direction of the arrow F, is suitably tensioned by rollers R1 and R2 and wound around a first winding roller A, to be rewound in rolls or logs 1, of a considerably smaller diameter, around a central core 2.
  • the first winding roller A is associated with a second winding roller B, which defines therewith a gap 3, through which the cores 2 are inserted.
  • the width of the gap 3 is constant during operation of the machine and not greater than the diameter of the core so that the latter enters the gap with slight forcing.
  • One of the two rollers A, B, in the example shown the first winding roller A, is supported by a mobile arm 4, schematised in the figure, pivoted at 5, to adjust the width of the gap 3 to the diameter of the core 2 which is used.
  • the group of three winding rollers is completed by a third roller C, also called a pressure roller, supported by an arm 6 movable around a fulcrum 7, according to a predetermined law of motion, to allow the roll 1 to be increased in diameter and discharged at the end of winding.
  • a third roller C also called a pressure roller, supported by an arm 6 movable around a fulcrum 7, according to a predetermined law of motion, to allow the roll 1 to be increased in diameter and discharged at the end of winding.
  • a feed slide 8 is provided for the cores 2 and a core inserting device comprising idler rollers 9 carried at the end of an arm 10 pivoted at 11.
  • a rotating member 14 carrying a blade 15 protruding beyond the profile of the roller A is pivoted on the axis X of the first winding roller A.
  • the member 15 has been called and will henceforth be called a blade, in that it causes severing of the web material, as will be explained below, but in fact it may not have, and preferably does not have, knife-type cutting edges.
  • the rotating member 14 is driven in rotation in the same direction as the roller A, which is anticlockwise in the appended figures, and is motorized separately by means of a belt drive 16 actuated by a motorized wheel 17 and passing round a tensioning roller 18.
  • actuating means can be provided for the rotating member 14, such as, for example, chains, gears and the like.
  • the blade 15 has a concave shape toward the outside, substantially a very wide V shape, with the first leg, in the direction of rotation, longer than the other and less inclined with respect to the tangent to the winding roller A.
  • Figure 1A illustrates the configuration of the machine during winding of the roll 1, with the blade 15 in the resting position, that is with the rotating member 14 at a standstill.
  • the three rollers A, B, C all rotate at a constant and substantially the same speed, a speed which corresponds to the feeding speed of the web material.
  • the blade 15 After an initial acceleration stage, the blade 15 reaches the same speed, or a very similar speed, as that of the web material W.
  • the core inserting arm 10 begins to rise to bring a new core 2 into the gap between the two rollers A, B.
  • the blade 15 can be advantageous for the blade 15 to have a high coefficient of friction, at least at the point of contact 15' with the web material W, so as to facilitate severing of the web material.
  • the blade 15 can assume different configurations, for example with a continuous edge, serrated, or the like.
  • FIG. 6A This situation is shown in Figure 6A, where the formed log has been expelled and a new log being formed is entering the winding space.
  • the blade 15 is moving into the resting position and the core inserting arm 10 is going back to pick up a new core, to start a new winding cycle, and the three rollers A, B, C begin to rotate again at the same speed.
  • the blade 15 made of a material with a high coefficient of friction, is advantageously given a convex profile toward the outside.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Winding Of Webs (AREA)
  • Basic Packing Technique (AREA)

Claims (14)

  1. Enrouleuse à entraînement périphérique pour la production de cylindres (1) de matériaux en bande (W) sur des mandrins tubulaires (2), comprenant un premier rouleau d'enroulement (A), sur lequel le matériau en bande (W) est enroulé, un deuxième rouleau d'enroulement (B) définissant avec le premier rouleau d'enroulement (A) un espace (3), au travers duquel le nouveau mandrin (2) est inséré, un troisième rouleau ou rouleau de pression (C) monté de manière amovible pour permettre au diamètre du cylindre (1) d'augmenter et au cylindre d'être retiré à la fin de l'enroulement, des moyens de découpage du matériau en bande (W) à la fin de l'enroulement et des moyens d'insertion d'un nouveau cylindre (2), dans laquelle lesdits moyens de découpage du matériau en bande (W) comprennent une lame (15) transportée par un élément rotatif (14) qui entre en rotation sur l'axe (X) dudit premier rouleau d'enroulement (A) et faisant saillie du profil dudit rouleau (A), caractérisée en ce que des moyens d'actionnement sont pourvus de manière à provoquer la rotation de la lame (15) à des vitesses différentes dans la même direction de rotation que ledit rouleau d'enroulement (A), de manière à imprimer un changement de vitesse à la lame quand cette dernière et au contact du matériau en bande (W) dans l'espace d'enroulement défini par les trois rouleaux (A, B, C).
  2. Enrouleuse selon la revendication 1, caractérisée en ce que ladite lame (15) présente au moins un revêtement d'un matériau avec un coefficient de friction élevé, de manière à fournir une bonne prise avec la matériau en bande (W).
  3. Enrouleuse selon la revendication 1 ou la revendication 2, caractérisée en ce que lesdits moyens d'actionnement pour la lame (15) ralentissent la lame quand elle est au contact du matériau en bande (W) dans l'espace d'enroulement, de manière à provoquer le découpage du matériau en bande (W) entre le point de contact du matériau en bande avec la lame et le cylindre dans l'étape d'expulsion.
  4. Enrouleuse selon la revendication 1 ou la revendication 2, caractérisée en ce que lesdits moyens d'actionnement pour la lame accélèrent la lame quand elle est au contact du matériau en bande (W) dans l'espace d'enroulement, de manière à provoquer le découpage du matériau en bande entre le point de mise sous presse du matériau en bande provoqué par le contact d'un nouveau cylindre (2) avec le rouleau d'enroulement (A) et le point de contact (15') de la lame avec le matériau en bande (W).
  5. Enrouleuse selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit matériau en bande (W) comprend des lignes de perforation transversales prédéfinies le long desquelles le découpage du matériau en bande se produit.
  6. Enrouleuse selon l'une quelconque des revendications précédentes, caractérisée en ce que des moyens sont pourvus pour accélérer ledit rouleau de pression (C) et éventuellement pour ralentir ledit deuxième rouleau d'enroulement (B) au cours du découpage du matériau en bande (W).
  7. Enrouleuse selon l'une quelconque des revendications précédentes, caractérisée en ce que lesdits moyens d'entraînement de la lame (15) sont indépendants des moyens d'entraînement dudit premier rouleau d'enroulement (A).
  8. Procédé de production de cylindres (1) de matériaux en bande, tels que du papier et similaire, dans lequel le matériau en bande (W) est alimenté le long d'un premier rouleau d'enroulement (A) et enroulé autour d'un mandrin tubulaire (2) installé en rotation dans un espace d'enroulement défini par ledit premier rouleau d'enroulement (A), un deuxième rouleau d'enroulement (B) et un rouleau de pression (C), et dans lequel ledit matériau en bande (W) est découpé à la fin de l'enroulement d'un cylindre (1), caractérisé en ce que ledit découpage se produit au moyen d'une lame (15) transportée par un élément rotatif (14) qui entre en rotation sur l'axe (X) dudit premier rouleau d'entraînement (A) et tournant à des vitesses différentes, caractérisé en ce que ladite lame (15) fait saillie du profil dudit premier rouleau d'enroulement (A) et subit un changement de vitesse quand elle est au contact du matériau en bande (W) dans ledit espace d'enroulement.
  9. Procédé selon la revendication 8, caractérisé en ce que ladite lame (15) présente un coefficient de friction élevé, de manière à provoquer une bonne prise sur ledit matériau en bande (W).
  10. Procédé selon la revendication 8 ou la revendication 9, caractérisé en ce que ladite lame (15) subit un ralentissement quand elle est au contact du matériau en bande (W) dans l'espace d'enroulement, de manière à provoquer le découpage du matériau en bande entre le point de contact de la lame avec le matériau en bande et le cylindre (1) dans l'étape d'expulsion.
  11. Procédé selon la revendication 8 ou la revendication 9, caractérisé en ce que ladite lame (15) subit une accélération quand elle est au contact du matériau en bande (W) dans l'espace d'enroulement de manière à provoquer le découpage du matériau en bande au point de mise sous presse du matériau en bande déterminé par le contact d'un nouveau mandrin avec ledit premier rouleau d'enroulement (A), et le point de contact (15') de la lame (15) avec le matériau en bande.
  12. Procédé selon l'une quelconque des revendications 8 à 11, caractérisé en ce que ledit découpage du matériau en bande se produit le long d'une des lignes de perforation transversales prédéfinies sur le matériau en bande.
  13. Procédé selon l'une quelconque des revendications 8 à 12, caractérisé en ce qu'une accélération du rouleau de pression (C) et un ralentissement possible d'un deuxième rouleau d'enroulement (B) sont pourvus au cours de l'étape de découpage dudit matériau en bande (W).
  14. Procédé selon l'une quelconque des revendications 8 à 13, caractérisé en ce que ladite lame (15) est actionnée de manière indépendante dudit premier rouleau d'enroulement (A).
EP01122438A 2000-11-07 2001-09-20 Enrouleuse à entraînement péripherique et méthode pour la production de rouleaux de matériau en bande Expired - Lifetime EP1205414B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI002399A IT1319321B1 (it) 2000-11-07 2000-11-07 Macchina ribobinatrice periferica e metodo per la produzione di logsdi materiali in foglio
ITMI002399 2000-11-07

Publications (3)

Publication Number Publication Date
EP1205414A2 EP1205414A2 (fr) 2002-05-15
EP1205414A3 EP1205414A3 (fr) 2004-05-12
EP1205414B1 true EP1205414B1 (fr) 2006-11-08

Family

ID=11446088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01122438A Expired - Lifetime EP1205414B1 (fr) 2000-11-07 2001-09-20 Enrouleuse à entraînement péripherique et méthode pour la production de rouleaux de matériau en bande

Country Status (8)

Country Link
EP (1) EP1205414B1 (fr)
JP (1) JP2002205853A (fr)
AT (1) ATE344774T1 (fr)
CA (1) CA2357336A1 (fr)
DE (1) DE60124366T2 (fr)
ES (1) ES2275597T3 (fr)
IT (1) IT1319321B1 (fr)
MX (1) MXPA01011253A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106715300A (zh) * 2014-07-31 2017-05-24 法比奥·泼尼股份公司 用于生产幅材材料的卷筒的方法和复卷机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1398260B1 (it) * 2010-02-23 2013-02-22 Perini Fabio Spa Macchina ribobinatrice e relativo metodo di avvolgimento.
JP5963713B2 (ja) * 2013-06-21 2016-08-03 住友重機械モダン株式会社 ウェブの切断装置
IT201600091411A1 (it) * 2016-09-09 2018-03-09 Gambini Spa Dispositivo per la ribobinatura e la formazione di un rotolo di carta e relativo metodo.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI841655A (fi) * 1983-06-13 1984-12-14 Jagenberg Ag Foerfarande foer avskaerning av banor i rullningsmaskiner.
FI100324B (fi) * 1994-12-13 1997-11-14 Valmet Paper Machinery Inc Menetelmä ja sovitelma radan katkaisemiseksi
IT1289169B1 (it) * 1997-01-10 1998-09-29 Italconverting Srl Macchina e metodo per la produzione di rotoli o logs di materiali in foglio

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106715300A (zh) * 2014-07-31 2017-05-24 法比奥·泼尼股份公司 用于生产幅材材料的卷筒的方法和复卷机

Also Published As

Publication number Publication date
EP1205414A3 (fr) 2004-05-12
ES2275597T3 (es) 2007-06-16
MXPA01011253A (es) 2004-06-25
DE60124366T2 (de) 2007-09-06
EP1205414A2 (fr) 2002-05-15
ATE344774T1 (de) 2006-11-15
ITMI20002399A1 (it) 2002-05-07
CA2357336A1 (fr) 2002-05-07
IT1319321B1 (it) 2003-10-10
DE60124366D1 (de) 2006-12-21
JP2002205853A (ja) 2002-07-23

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