EP3132860B1 - Dispositif de distribution de colle et ensemble laminage-gaufrage équipé de celui-ci - Google Patents

Dispositif de distribution de colle et ensemble laminage-gaufrage équipé de celui-ci Download PDF

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Publication number
EP3132860B1
EP3132860B1 EP16182621.9A EP16182621A EP3132860B1 EP 3132860 B1 EP3132860 B1 EP 3132860B1 EP 16182621 A EP16182621 A EP 16182621A EP 3132860 B1 EP3132860 B1 EP 3132860B1
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EP
European Patent Office
Prior art keywords
glue
embossing
transport roller
roller
lubricant
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.)
Active
Application number
EP16182621.9A
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German (de)
English (en)
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EP3132860A1 (fr
Inventor
Luca TAGLIASACCHI
Christian NICOLETTI
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
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Publication date
Application filed by Paper Converting Machine Co Italia SpA filed Critical Paper Converting Machine Co Italia SpA
Publication of EP3132860A1 publication Critical patent/EP3132860A1/fr
Application granted granted Critical
Publication of EP3132860B1 publication Critical patent/EP3132860B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0787—Applying adhesive

Definitions

  • the present invention relates to an embossing-lamination assembly of a rewinder machine for rolls of paper, handkerchiefs or depliants or other materials provided with an improved glue distribution device.
  • an embossing-lamination assembly for paper comprises at least one embossing roller in steel, at least one embossing counter-roller in rubber, at least one roller for distribution of the glue and at least one transport roller for the glue.
  • embossing roller and the respective counter-rollers are normally two and serve to emboss two sheets of paper to be coupled one to the other with possible interposition of other sheets.
  • One or two glue distribution devices are used for the coupling of the sheets.
  • the transport roller also known as metering roller or anilox roller, takes the glue from a container, also known as doctor chamber, and transfers it to the distributor roller, also known as plate roller, with which it is coupled along a generatrix, which in turn distributes the glue on a sheet of embossed paper.
  • the width of the distributor roller has to be smaller than the width of the paper, in order to avoid the glue exiting from the paper material and ending up on the steel embossing roller, soiling it.
  • the replacement is carried out, by means of an overhead crane or machine interior movement systems, of the distributor roller as a function of the width of the paper to be processed. For example if the paper is 2000 mm wide a distributor roller will be mounted with breadth smaller than 2000 mm, typically 1980 mm. If the paper is 3000 mm wide, a distributor roller typically of 2980 mm will be mounted. The 20 mm are necessary for leaving a margin at the sides for avoiding possible slipping, etc.
  • This condition causes premature damage to the distributor roller, or in any case an anomalous temperature due to the surface rubbing.
  • the object of the invention is that of eliminating the disadvantages of the prior art. More particularly an object of the invention is that of improving the solution proposed in the aforementioned patent application EP 2025503 A2 , avoiding damage to the distributor roller in the zone not involved by the glue.
  • Another object of the invention is that of providing such a glue distribution device which is simple and economical to manufacture and at the same time extremely reliable.
  • Substantially an embossing-lamination assembly comprises at least one embossing roller coupled along a generatrix with a respective embossing counter-roller for embossing a sheet of paper fed between them, a glue distributor roller coupled along a generatrix with said embossing roller for distributing glue on said sheet of embossed paper, and along another generatrix with a transport roller which collects the glue from a doctor chamber comprising a container closed by lateral walls tightly coupled against said transport roller, wherein at least one wall is provided in said container, tightly coupled against the inner surface of the wall of the container and against said transport roller, said at least one wall being translatable parallel to the axis of said transport roller to vary the width of the chamber of said container of glue according to the width of said sheet of paper, and wherein means are provided, apt to apply a lubricant on the surface of said transport roller not involved by the glue.
  • an embossing-lamination assembly is shown of the so-called point-to-point type, denoted overall by reference numeral 10.
  • This assembly comprises a first embossing roller in steel 11 and a counter-roller in rubber 11', between which passes, in order to be embossed, a first sheet of paper V1 along the path indicated in the drawing.
  • a second sheet of paper V2 is fed, in order to be embossed, between a second embossing roller in steel 12 and a respective counter-roller in rubber 12'.
  • a layer of glue is applied as will be described in greater detail here below, in order to produce the coupling between the two sheets passing in the space between the two rollers 11, 12, obtaining in this way a tape in output denoted by the letter N.
  • This type of embossing is called point-to-point in that the two sheets V1 and V2 are coupled between the two rollers 11, 12 with the tips of the respective embossings opposed.
  • glue distribution device is also applicable to so-called “nested” embossing assemblies, i.e. in which the coupling between the two sheets takes place in a random manner and a so-called marrying roller is provided which presses the two sheets against one of the embossing cylinders to produce the coupling thereof.
  • the device for distribution of glue on the sheet V1 comprises substantially a distributor roller or plate roller 13, a transport roller, or metering roller, or anilox roller 14 and a doctor chamber 15, which will be described in greater detail here below.
  • the distributor roller 13 is coupled along two different generatrices with the first embossing roller 11 and, respectively, with the transport roller 14, which, in turn, is in contact with the doctor chamber 15.
  • Figure 2 shows schematically the glue distribution assembly, comprising the elements previously mentioned, and i.e. the doctor chamber 15, the transport roller 14, the distributor roller 13, and shows also the first embossing roller 11 and the sheet of paper V1 interposed between it and the distributor roller 13, the width of the sheet V1 being smaller than the length of the distributor roller 13.
  • the doctor chamber 15 comprises a container substantially with a C shape 16 (visible in Figure 3 ), apt to contain a fluid glue 17.
  • the container 16 is closed by two lateral walls 18, schematised in Figure 2 , which are tight against the surface of the transport roller 14.
  • two movable walls 19 are placed inside the container 16, translatable parallel to themselves in the direction of the axis of the transport roller 14, in order to regulate the working width of containment of the glue 17.
  • One single intermediate movable wall 19 could optionally be provided in order to perform this regulation.
  • One of these walls 19 is shown in greater detail in Figure 3 and has at least one perimeter covering in rubber 20 such as to be sealed against the internal walls of the C-shaped container 15 and against the surface of the transport roller 14, in such a way that a translation thereof, with means in themselves known and therefore not shown, in the direction of the arrows shown in Figure 3 , varies the width of the opening of dispensing of the glue.
  • a blade scraper 21 is provided, apt to limit the thickness of the layer of glue to be dispensed on the transport roller 14, in order to avoid waste.
  • a liquid is provided, which can be water or oil, at these end sections.
  • FIG. 2 shows schematically in Figure 2 and, at an illustrative level, also in Figure 4 , between the lateral walls 18 and the intermediate walls 19 of the container 16 respective end chambers 22 are formed, which are filled with water 23 or another humidifying/lubricant liquid.
  • these chambers 22 are indicated with two rectangles placed at the sides of a longer central rectangle indicating the actual doctor chamber for containment of the glue 17.
  • an alternative embodiment of the invention provides, in place of the lubricant 23 contained in the aforementioned lateral chambers 22, the spray application of a thin layer of glue by means of a series of atomising nozzles 25, carried by respective box-type bodies 26, of length equal to the maximum length of the end sections of the transport cylinder, on which it is foreseen to have to apply the layer of lubricant 23.
  • the arrows indicate the inlets of the lubricant liquid, which is then atomised through the nozzles 25, at least some of which can be occluded, in such a way as to be able to regulate the width of the lateral lubricant bands.
  • the nozzles 25, by spraying an atomised mixture of air and oil, lubricate slightly the transport roller 14, avoiding a dry contact with the distributor roller 13, yet preventing this lubricant from being transferred to the rollers placed downstream.
  • the automation of the atomised spray system provides for the regulation of the system so as never to form a patina of such thickness as to transfer the material to the steel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Coating Apparatus (AREA)

Claims (16)

  1. Ensemble de gaufrage-laminage (10) comprenant :
    au moins un rouleau de gaufrage (11) couplé le long d'une génératrice à un contre-rouleau de gaufrage (11') pour gaufrer une feuille de papier (V1) passée entre eux,
    un rouleau distributeur de colle (13) couplé le long d'une première génératrice audit rouleau de gaufrage (11) pour distribuer de la colle (17) sur ladite feuille de papier gaufrée (V1), et le long d'une seconde génératrice à un rouleau transporteur (14) qui collecte la colle (17) dans une chambre docteur (15) comprenant un réservoir (16),
    dans lequel est prévue au moins une paroi (19) couplée étroitement contre la surface intérieure de la paroi du réservoir (16) et audit rouleau transporteur (14),
    ladite au moins une paroi (19) étant mobile parallèlement à l'axe dudit rouleau (14) pour modifier la largeur de la chambre dudit réservoir (16) contenant ladite colle (17) en se basant sur la largeur de ladite feuille de papier (V1),
    caractérisé en ce que ledit réservoir (16) est fermé par des parois latérales (18) couplées étroitement contre ledit rouleau transporteur (14),
    et en ce qu'il est prévu des moyens aptes à appliquer un lubrifiant (23) sur la surface dudit rouleau transporteur (14) non concernée par la colle (17).
  2. Ensemble de gaufrage selon la revendication 1, caractérisé en ce que lesdits moyens d'application d'un lubrifiant (23) sur la surface dudit rouleau transporteur (14) sont constitués par au moins une chambre (22) délimitée par ladite au moins une paroi intermédiaire (19) et par une paroi latérale correspondante (18), ladite chambre (22) étant apte à contenir ledit lubrifiant (23) sous la forme d'eau ou d'huile.
  3. Ensemble de gaufrage selon la revendication 1, caractérisé en ce que lesdits moyens d'application d'un lubrifiant sur la surface dudit rouleau transporteur (14) consistent en au moins un corps de type boîte (26) comprenant une série de buses (25) aptes à pulvériser ledit lubrifiant (23) sous la forme d'un mélange atomisé d'air et d'huile de manière à former une fine couche de lubrifiant sur ledit rouleau transporteur (14).
  4. Ensemble de gaufrage selon la revendication 3, caractérisé en ce qu'au moins certaines desdites buses (25) peuvent être fermées de manière à varier la largeur de la couche de lubrifiant pulvérisée par ces buses.
  5. Ensemble de gaufrage selon la revendication 3 ou 4, caractérisé en ce que le corps de type boîte (26) supportant la série de buses (25) est placé sur ledit réservoir (16) de la chambre docteur (15) adjacente à ladite au moins une chambre latérale (22).
  6. Ensemble de gaufrage selon l'une quelconque des revendications précédentes, caractérisé en ce que ladite au moins une paroi mobile intermédiaire (19) comporte un revêtement en caoutchouc (20) le long de son périmètre.
  7. Ensemble de gaufrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu deux parois mobiles intermédiaires (19), chacune étant apte à être positionnée substantiellement à la même distance d'une paroi latérale correspondante (18), de sorte que ledit lubrifiant (23) est appliqué sur des sections terminales du rouleau transporteur (14).
  8. Ensemble de gaufrage selon l'une quelconque des revendications précédentes, dans lequel ledit réservoir (16) de la chambre docteur (15) est substantiellement en forme de C et est pourvu d'un élément racleur à lame (21) apte à limiter l'épaisseur de la colle (23) appliquée sur le rouleau transporteur (14).
  9. Dispositif distributeur de colle d'un ensemble de gaufrage-laminage, comprenant
    un rouleau distributeur de colle (13) qui peut être couplé le long d'une première génératrice à un rouleau de gaufrage (11) d'un ensemble de gaufrage-laminage pour distribuer de la colle (17) sur une feuille de papier gaufrée (V1), et le long d'une seconde génératrice à un rouleau transporteur (14) qui collecte la colle (17) dans une chambre docteur (15) comprenant un réservoir (16),
    étant prévue au moins une paroi (19) couplée étroitement contre la surface intérieure de la paroi du réservoir (16) et audit rouleau transporteur (14),
    ladite au moins une paroi (19) étant mobile parallèlement à l'axe dudit rouleau (14) pour modifier la largeur de la chambre dudit réservoir (16) contenant ladite colle (17) en se basant sur la largeur de ladite feuille de papier (V1),
    caractérisé en ce que ledit réservoir (16) est fermé par des parois latérales (18) couplées étroitement contre ledit rouleau transporteur (14),
    et en ce qu'il est prévu des moyens aptes à appliquer un lubrifiant (23) sur la surface dudit rouleau transporteur (14) non concernée par la colle (17).
  10. Dispositif distributeur de colle selon la revendication 9, caractérisé en ce que lesdits moyens d'application d'un lubrifiant (23) sur la surface dudit rouleau transporteur (14) sont constitués par au moins une chambre (22) délimitée par ladite au moins une paroi intermédiaire (19) et par une paroi latérale correspondante (18), ladite chambre (22) étant apte à contenir ledit lubrifiant (23) sous la forme d'eau ou d'huile.
  11. Dispositif distributeur de colle selon la revendication 9, caractérisé en ce que lesdits moyens d'application d'un lubrifiant sur la surface dudit rouleau transporteur (14) consistent en au moins un corps de type boîte (26) comprenant une série de buses (25) aptes à pulvériser ledit lubrifiant (23) sous la forme d'un mélange atomisé d'air et d'huile de manière à former une fine couche de lubrifiant sur ledit rouleau transporteur (14).
  12. Dispositif distributeur de colle selon la revendication 11, caractérisé en ce qu'au moins certaines desdites buse (25) peuvent être fermées de manière à varier la largeur de la couche de lubrifiant pulvérisé par lesdites buses.
  13. Dispositif distributeur de colle selon la revendication 11 ou 12, caractérisé en ce que ledit corps de type boîte (26) supportant la série de buses (25) est placé sur ledit réservoir (16) de la chambre docteur (15) adjacente à ladite au moins une chambre latérale (22).
  14. Dispositif distributeur de colle selon l'une quelconque des revendications 9 à 13, caractérisé en ce que ladite au moins une paroi mobile intermédiaire (19) comporte un revêtement en caoutchouc (20) le long de son périmètre.
  15. Dispositif distributeur de colle selon l'une quelconque des revendications 9 à 14, caractérisé en ce qu'il est prévu deux parois mobiles intermédiaires (19), chacune étant apte à être positionnée substantiellement à la même distance d'une paroi latérale correspondante (18), de sorte que ledit lubrifiant (23) est appliqué sur les sections terminales du rouleau transporteur (14).
  16. Dispositif distributeur de colle selon l'une quelconque des revendications 9 à 15, dans lequel ledit réservoir (16) de la chambre docteur (15) est substantiellement en forme de C et est pourvu d'un élément racleur à lame (21) apte à limiter l'épaisseur de colle (23) appliquée sur le rouleau transporteur (14).
EP16182621.9A 2015-08-07 2016-08-03 Dispositif de distribution de colle et ensemble laminage-gaufrage équipé de celui-ci Active EP3132860B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A002999A ITUB20152999A1 (it) 2015-08-07 2015-08-07 Gruppo goffratore-laminatore con dispositivo di distribuzione colla perfezionato

Publications (2)

Publication Number Publication Date
EP3132860A1 EP3132860A1 (fr) 2017-02-22
EP3132860B1 true EP3132860B1 (fr) 2019-06-19

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IT (1) ITUB20152999A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN107159512A (zh) * 2017-07-06 2017-09-15 厦门通士达照明有限公司 一种导热胶涂刷工装
EP3476494A1 (fr) * 2017-10-27 2019-05-01 Goss Contiweb B.V. Dispositif de revêtement, unité de revêtement correspondante, machine et utilisation
CN110918367B (zh) * 2019-11-19 2021-04-16 安徽集美空气处理设备有限公司 一种瓦楞纸上胶设备
NL2024281B1 (nl) * 2019-11-21 2021-08-18 Contiweb B V Opbrenginrichting

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
US3252443A (en) * 1961-01-31 1966-05-24 Mead Corp Air current-seal for work confinedpool coater
ITMI20071654A1 (it) * 2007-08-08 2009-02-09 Giovanni Gambini Dispositivo perfezionato di distribuzion e colla di un gruppo di goffratura- laminazione
ITMI20122260A1 (it) 2012-12-28 2014-06-29 Gambini Int Sa Dispositivo regolabile di distribuzione colla di un gruppo goffratore-laminatore, relativo gruppo e metodo di regolazione

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EP3132860A1 (fr) 2017-02-22

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