EP1175997B1 - Embossing device for joining layers of tissue material - Google Patents

Embossing device for joining layers of tissue material Download PDF

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Publication number
EP1175997B1
EP1175997B1 EP01113989A EP01113989A EP1175997B1 EP 1175997 B1 EP1175997 B1 EP 1175997B1 EP 01113989 A EP01113989 A EP 01113989A EP 01113989 A EP01113989 A EP 01113989A EP 1175997 B1 EP1175997 B1 EP 1175997B1
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EP
European Patent Office
Prior art keywords
embossing
roller
embossing device
layers
tissue material
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
EP01113989A
Other languages
German (de)
French (fr)
Other versions
EP1175997A3 (en
EP1175997A2 (en
Inventor
Albert Stitz
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 EP1175997A2 publication Critical patent/EP1175997A2/en
Publication of EP1175997A3 publication Critical patent/EP1175997A3/en
Application granted granted Critical
Publication of EP1175997B1 publication Critical patent/EP1175997B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0753—Roller supporting, positioning, driving means
    • 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
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • 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
    • B31F2201/0789—Joining plies without adhesive

Definitions

  • the invention relates to an embossing device for production adhesion between layers of tissue material with an embossing roller with an adjustable force can be pressed against a counter roller and with the counter roller forms a press nip through which the layers are guided be, and the one rotatably mounted roller body having.
  • EP 0 672 402-A1 describes a generic embossing device known in which several arranged side by side Embossing rolls with a common counter roller each form press nips through which the layers passed become.
  • Each embossing roll has a cylindrical one Roller body with embossed protruding elements on the outside on a bracket between two side levers is freely rotatable.
  • As a pressure element, with which each embossing roller is pressed against the counter roller can, serves among other things a hydraulic or pneumatic cylinder, the one hand on a support carrying the holder, on the other hand is attached to the holder itself.
  • US 5 368 680 shows a device for attaching a Stamping foil impression on a flexible material web.
  • the device has an embossing roller and a pressure roller on.
  • the pinch roller has an inner sleeve and a concentric outer socket, with between there is a gap between the inner and outer bushing is. In this gap space three are against the interior and the outer bush pressing, elastically compliant annular compensating elements arranged.
  • the invention is therefore based on the object To design embossing device of the generic type that the layers even with differences in paper thickness or the outside diameter of the embossing elements be sufficiently firmly connected.
  • this object is achieved by that several embossed protruding elements with axial distance supported elastically on the roller body are attached.
  • the drawing serves to explain the invention based on of an embodiment.
  • each embossing roll 1 is on attached to a carriage 2, which is adjustable on one Crossbar 3 is mounted. Over the working width are several embossing rollers 1 next to each other on the crossbar 3 arranged, which are positioned individually can.
  • the diameter of an embossing roll is 1 200 mm to 300 mm, their axial length is usually in the range between 50 mm and 150 mm.
  • Each embossing roll 1 is individually driven against one Counter roll 4 with rubberized, smooth outer surface pivotable and can thus form a press nip with it, through which the layers of tissue material are led become.
  • the swiveling holder of each embossing roll 1 is made from two side, something angled pivot levers 5, between which the axis 6 of an embossing roller 1 is stored at its ends.
  • Each pivot lever 5 is about an axis 7 hinged to the carriage 2.
  • the piston 8 of a pneumatic piston-cylinder unit is attached, the Cylinder 9 is articulated on the carriage 2.
  • each stamping roller 1 can be pressed against the counter roller 4 with an adjustable force become.
  • each roller body 12 On the axis 6 held by the lateral pivot levers 5 is a hub 10 mounted freely rotatable by means of two ball bearings 11.
  • a hub 10 On the outside of the hub is a annular roller body 12 releasably clamped. Points on its outside each roller body 12 has a circumferential recess at each axial end, in each fitted with an annular embossing element 13 made of metal is that an embossing surface protruding outside of the roller body 12 having. In each recess of the roller body 12 is below the Embossing element 13 incorporated a circumferential groove open to the outside, into which an elastic O-ring 14 is inserted.
  • Each O-ring 14 thus supports the associated one Embossing element 13 elastically in the radial direction of the roller body 12.
  • the Hardness of the O-ring 14, which is preferably made of a rubber-elastic material is chosen so that on the one hand a sufficiently large embossing force against the Counter roll 4 can be transferred, on the other hand, each embossing element 13 in is able to adapt in the radial direction.
  • the embossing elements 13 with the elastic O-rings 14 are preferably detachable attached to the roller body 12, as shown in Figure 2.
  • the embossing elements 13 are then inserted into the cutouts.
  • a disc-shaped holder is on each end face of the roller body 12 15 each screwed tight by means of a screw 16 which holds the embossing element 13 secures against axial displacement.

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

Description

Die Erfindung betrifft eine Prägevorrichtung zur Erzeugung einer Haftung zwischen Lagen aus Tissue-Material mit einer Prägerolle, die mit einer einstellbaren Kraft gegen eine Gegenwalze drückbar ist und mit der Gegenwalze einen Preßspalt bildet, durch den die Lagen geführt werden, und die einen drehbar gelagerten Rollenkörper aufweist.The invention relates to an embossing device for production adhesion between layers of tissue material with an embossing roller with an adjustable force can be pressed against a counter roller and with the counter roller forms a press nip through which the layers are guided be, and the one rotatably mounted roller body having.

Zur Herstellung von mehrlagigen Produkten aus Tissue-Material wie Toilettenpapier, Servietten, Taschentücher, Kosmetiktücher etc. werden Prägevorrichtungen eingesetzt, mit denen die Lagen miteinander verpreßt werden, um in bestimmten Bereichen eine Haftung zu erzeugen.For the production of multi-layer products from tissue material like toilet paper, napkins, handkerchiefs, Facial tissues etc. become embossing devices used with which the layers pressed together to create liability in certain areas.

Aus der EP 0 672 402-A1 ist eine gattungsgemäße Prägevorrichtung bekannt, bei der mehrere nebeneinander angeordnete Prägerollen mit einer gemeinsamen Gegenwalze jeweils Preßspalte bilden, durch die die Lagen geführt werden. Jede Prägerolle weist einen zylinderförmigen Rollenkörper mit außen hervorstehenden Prägeelementen auf, der an einem Halter zwischen zwei seitlichen Hebeln frei drehbar gelagert ist. Als Anpreßelement, mit dem jede Prägerolle gegen die Gegenwalze gepreßt werden kann, dient u.a. ein Hydraulik- oder Pneumatikzylinder, der einerseits an einer den Halter tragenden Stütze, andererseits an dem Halter selbst befestigt ist.EP 0 672 402-A1 describes a generic embossing device known in which several arranged side by side Embossing rolls with a common counter roller each form press nips through which the layers passed become. Each embossing roll has a cylindrical one Roller body with embossed protruding elements on the outside on a bracket between two side levers is freely rotatable. As a pressure element, with which each embossing roller is pressed against the counter roller can, serves among other things a hydraulic or pneumatic cylinder, the one hand on a support carrying the holder, on the other hand is attached to the holder itself.

US 5 368 680 zeigt eine Vorrichtung zum Anbringen eines Prägefolien-Abdruckes auf einer flexiblen Materialbahn. Die Vorrichtung weist eine Prägewalze und eine Andruckrolle auf. Die Andruckrolle weist eine Innenbuchse und eine hierzu konzentrische Außenbuchse auf, wobei zwischen der Innen- und der Außenbuchse ein Spaltraum vorhanden ist. In diesem Spaltraum sind drei gegen die Innen- und die Außenbuchse drückende, elastisch nachgiebige ringförmige Ausgleichselemente angeordnet.US 5 368 680 shows a device for attaching a Stamping foil impression on a flexible material web. The device has an embossing roller and a pressure roller on. The pinch roller has an inner sleeve and a concentric outer socket, with between there is a gap between the inner and outer bushing is. In this gap space three are against the interior and the outer bush pressing, elastically compliant annular compensating elements arranged.

Sind auf dem Rollenkörper mehrere Prägeelemente mit axialem Abstand voneinander umlaufend angeordnet, so tritt bei Unterschieden in der Lagendicke oder bei unterschiedlichem Außendurchmesser der Prägeelemente das Problem auf, daß die Prägeelemente einer Prägerolle mit unterschiedlicher Preßkraft gegen die Gegenwalze gedrückt werden. Dies führt dazu, daß die Prägung und damit die Haftung teilweise unzulänglich ist.Are several embossing elements on the reel body axially spaced from each other, see above occurs with differences in the layer thickness or with different Outside diameter of the embossing elements Problem on that the embossing elements of an embossing roller with different pressing force pressed against the counter roller become. This leads to the embossing and thus liability is partially inadequate.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Prägevorrichtung der gattungsgemäßen Art so zu gestalten, daß die Lagen auch bei Unterschieden in der Papierdicke oder dem Außendurchmesser der Prägeelemente ausreichend fest miteinander verbunden werden.The invention is therefore based on the object To design embossing device of the generic type that the layers even with differences in paper thickness or the outside diameter of the embossing elements be sufficiently firmly connected.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß mehrere außen hervorstehende Prägeelemente mit axialem Abstand auf dem Rollenkörper elastisch abgestützt befestigt sind.According to the invention, this object is achieved by that several embossed protruding elements with axial distance supported elastically on the roller body are attached.

Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausgestaltungen der Erfindung.The sub-claims contain preferred, since special advantageous embodiments of the invention.

Die Zeichnung dient zur Erläuterung der Erfindung anhand eines Ausführungsbeispiels.The drawing serves to explain the invention based on of an embodiment.

Es zeigen:

Figur 1
eine Seitenansicht einer Prägerolle mit ihrem Halter
Figur 2
einen Schnitt in Achsrichtung durch eine Prägerolle
Show it:
Figure 1
a side view of an embossing roller with its holder
Figure 2
a cut in the axial direction by an embossing roller

Wie in Figur 1 dargestellt, ist jede Prägerolle 1 auf einem Wagen 2 befestigt, der quer verstellbar auf einer Quertraverse 3 gelagert ist. Über die Arbeitsbreite sind mehrere Prägerollen 1 nebeneinander auf der Quertraverse 3 angeordnet, die einzeln positioniert werden können. Der Durchmesser einer Prägerolle 1 beträgt 200 mm bis 300 mm, ihre axiale Länge liegt üblicherweise im Bereich zwischen 50 mm und 150 mm.As shown in Figure 1, each embossing roll 1 is on attached to a carriage 2, which is adjustable on one Crossbar 3 is mounted. Over the working width are several embossing rollers 1 next to each other on the crossbar 3 arranged, which are positioned individually can. The diameter of an embossing roll is 1 200 mm to 300 mm, their axial length is usually in the range between 50 mm and 150 mm.

Jede Prägerolle 1 ist einzeln gegen eine angetriebene Gegenwalze 4 mit gummierter, glatter Mantelfläche schwenkbar und kann so mit dieser einen Preßspalt bilden, durch den die Lagen aus Tissue-Material geführt werden. Der schwenkbare Halter jeder Prägerolle 1 besteht aus zwei seitlichen, etwas abgewinkelten Schwenkhebeln 5, zwischen denen die Achse 6 einer Prägerolle 1 an ihren Enden gelagert ist. Jeder Schwenkhebel 5 ist um eine Achse 7 schwenkbar an dem Wagen 2 angelenkt. Am freien Ende eines Schwenkhebels 5 ist der Kolben 8 einer pneumatischen Kolben-Zylinder-Einheit befestigt, deren Zylinder 9 an dem Wagen 2 angelenkt ist. Mittels der Kolben-Zylinder-Einheit 7,8 kann jede Prägerolle 1 mit einstellbarer Kraft gegen die Gegenwalze 4 gedrückt werden.Each embossing roll 1 is individually driven against one Counter roll 4 with rubberized, smooth outer surface pivotable and can thus form a press nip with it, through which the layers of tissue material are led become. The swiveling holder of each embossing roll 1 is made from two side, something angled pivot levers 5, between which the axis 6 of an embossing roller 1 is stored at its ends. Each pivot lever 5 is about an axis 7 hinged to the carriage 2. At the free end of a swivel lever 5 the piston 8 of a pneumatic piston-cylinder unit is attached, the Cylinder 9 is articulated on the carriage 2. Using the piston-cylinder unit 7,8 each stamping roller 1 can be pressed against the counter roller 4 with an adjustable force become.

In Figur 2 ist der Aufbau einer Prägerolle 1 mit ihrer Lagerung detaillierter dargestellt:In Figure 2, the structure of an embossing roller 1 with its storage is more detailed shown:

Auf der von den seitlichen Schwenkhebeln 5 gehaltenen Achse 6 ist eine Nabe 10 mittels zweier Kugellager 11 frei drehbar gelagert. Außen auf der Nabe ist ein ringförmiger Rollenkörper 12 lösbar festgeklemmt. Auf seiner Außenseite weist jeder Rollenkörper 12 an jedem axialen Ende eine umlaufende Aussparung auf, in die jeweils ein ringförmiges, aus Metall gefertigtes Prägeelement 13 eingepasst ist, das eine außen gegenüber dem Rollenkörper 12 hervorstehende Prägefläche aufweist. In jede Aussparung des Rollenkörpers 12 ist unterhalb des Prägeelements 13 eine umlaufende, nach außen offene Nut eingearbeitet, in die ein elastischer O-Ring 14 eingelegt ist. Jeder O-Ring 14 stützt so das zugehörige Prägeelement 13 elastisch in radialer Richtung des Rollenkörpers 12 ab. Die Härte des bevorzugt aus einem gummielastischem Material gefertigten O-Ring 14 ist so gewählt, dass zum einen eine ausreichend große Prägekraft gegen die Gegenwalze 4 übertragen werden kann, andererseits jedes Prägeelement 13 in der Lage ist, sich in radialer Richtung anpassen kann.On the axis 6 held by the lateral pivot levers 5 is a hub 10 mounted freely rotatable by means of two ball bearings 11. On the outside of the hub is a annular roller body 12 releasably clamped. Points on its outside each roller body 12 has a circumferential recess at each axial end, in each fitted with an annular embossing element 13 made of metal is that an embossing surface protruding outside of the roller body 12 having. In each recess of the roller body 12 is below the Embossing element 13 incorporated a circumferential groove open to the outside, into which an elastic O-ring 14 is inserted. Each O-ring 14 thus supports the associated one Embossing element 13 elastically in the radial direction of the roller body 12. The Hardness of the O-ring 14, which is preferably made of a rubber-elastic material is chosen so that on the one hand a sufficiently large embossing force against the Counter roll 4 can be transferred, on the other hand, each embossing element 13 in is able to adapt in the radial direction.

Bevorzugt sind die Prägeelemente 13 mit den elastischen O-Ringen 14 lösbar auf dem Rollenkörper 12 befestigt, wie in Figur 2 dargestellt ist. Beim Zusammenbau werden zunächst die elastischen O-Ringe 14 in die jeweilige Nut eingelegt. Anschließend werden die Prägeelemente 13 in die Aussparungen eingelegt. Danach wird an jeder Stirnseite des Rollenkörpers 12 ein scheibenförmiger Halter 15 jeweils mittels einer Schraube 16 festgeschraubt, der das Prägeelement 13 gegen eine axiale Verschiebung sichert.The embossing elements 13 with the elastic O-rings 14 are preferably detachable attached to the roller body 12, as shown in Figure 2. When assembling the elastic O-rings 14 are first inserted into the respective groove. The embossing elements 13 are then inserted into the cutouts. Then a disc-shaped holder is on each end face of the roller body 12 15 each screwed tight by means of a screw 16 which holds the embossing element 13 secures against axial displacement.

Claims (5)

  1. Embossing device for producing adhesion between layers of tissue material, comprising an embossing roller (1) which can be pressed against a backing roll with an adjustable force and, with the backing roll (4), forms a press nip through which the layers are led, and which comprises a rotatably mounted roller element (12), characterized in that a plurality of embossing elements (13) which protrude on the outside are fixed in a resiliently supported manner with an axial spacing on the roller element (12).
  2. Embossing device according to Claim 1, characterized in that a plurality of annular embossing elements (13) are arranged on the roller element (12), and a resilient ring (14) is in each case arranged between each embossing element (13) and the roller element (12).
  3. Embossing device according to Claim 1 or 2, characterized in that an annular embossing element (13) is arranged at each axial end of the roller body (12).
  4. Embossing device according to one of Claims 1 to 3, characterized in that the roller element (12) having the embossing element (13) is fixed to a hub (10) which is freely rotatably mounted on an axle (6).
  5. Embossing device according to one of Claims 1 to 4, characterized in that each embossing roller (1) is fixed such that it can pivot on a carriage (2), which is mounted on a crossmember (3) such that it can be adjusted transversely.
EP01113989A 2000-07-26 2001-06-08 Embossing device for joining layers of tissue material Expired - Lifetime EP1175997B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10036292 2000-07-26
DE10036292A DE10036292A1 (en) 2000-07-26 2000-07-26 Embossing device for creating adhesion between layers of tissue material

Publications (3)

Publication Number Publication Date
EP1175997A2 EP1175997A2 (en) 2002-01-30
EP1175997A3 EP1175997A3 (en) 2003-06-18
EP1175997B1 true EP1175997B1 (en) 2004-11-10

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Application Number Title Priority Date Filing Date
EP01113989A Expired - Lifetime EP1175997B1 (en) 2000-07-26 2001-06-08 Embossing device for joining layers of tissue material

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EP (1) EP1175997B1 (en)
DE (2) DE10036292A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028524B4 (en) * 2004-06-11 2007-06-06 Leonhard Kurz Gmbh & Co. Kg Device for attaching at least one surface section of a transfer layer of a transfer film on a material web and its use

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865251C (en) * 1943-10-19 1953-02-02 Dornbusch & Co Soft roll with rubber cover for embossing calenders and process for the production of the roll
US3264978A (en) * 1964-08-11 1966-08-09 Philip Morris Inc Rotary embossing machines
CA2060567C (en) * 1991-02-04 1997-06-10 Galyn Arlyn Schulz Apparatus for embossing a fibrous web
DE4226003C1 (en) * 1992-08-06 1993-06-24 Leonhard Kurz Gmbh & Co, 8510 Fuerth, De
US5543202A (en) * 1994-03-14 1996-08-06 Kimberly-Clark Corporation Process for producing a crimp-bonded fibrous cellulosic laminate
IT1278803B1 (en) * 1995-12-05 1997-11-28 Perini Fabio Spa EMBOSSING-LAMINATOR GROUP, WITH NON-TIMED EMBOSSING CYLINDERS AND RELATIVE EMBOSSING METHOD
DE19758069C1 (en) * 1997-12-29 1999-11-04 Sca Hygiene Prod Gmbh Method and device for producing a ply bond between plies of tissue paper

Also Published As

Publication number Publication date
EP1175997A3 (en) 2003-06-18
DE50104463D1 (en) 2004-12-16
DE10036292A1 (en) 2002-02-07
EP1175997A2 (en) 2002-01-30

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