EP1086805A1 - Machine for producing corrugated board and method of calibrating the glue applicator gap in such a machine - Google Patents

Machine for producing corrugated board and method of calibrating the glue applicator gap in such a machine Download PDF

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Publication number
EP1086805A1
EP1086805A1 EP00118589A EP00118589A EP1086805A1 EP 1086805 A1 EP1086805 A1 EP 1086805A1 EP 00118589 A EP00118589 A EP 00118589A EP 00118589 A EP00118589 A EP 00118589A EP 1086805 A1 EP1086805 A1 EP 1086805A1
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EP
European Patent Office
Prior art keywords
roller
glue application
bearing
corrugated
application 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.)
Granted
Application number
EP00118589A
Other languages
German (de)
French (fr)
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EP1086805B1 (en
Inventor
Hermann-Josef Mensing
Reinhard Sternitzke
Josef Puff
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau 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
Priority claimed from DE10034780A external-priority patent/DE10034780A1/en
Application filed by BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP1086805A1 publication Critical patent/EP1086805A1/en
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Publication of EP1086805B1 publication Critical patent/EP1086805B1/en
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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
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2818—Glue application specially adapted therefor
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1016—Transverse corrugating

Definitions

  • the invention relates to a machine for producing a corrugated cardboard web as well as a method for calibrating the gluing gap of such Machine.
  • the invention is therefore based on the object of a machine for the production of corrugated cardboard to provide the setting of the gluing gap can be done as simply and automatically as possible.
  • the object is achieved by the features of claim 1 and by the Method according to claim 10 solved.
  • the essence of the invention is therein, the glue applicator roller bearing against the corrugated roller bearing to press with a predetermined force and the bearing pressure force between to measure both bearings. The distance between the two bearings is then reduced until the glue application roller comes into contact with the corrugated roller comes. This is detected by the bearing pressure drops because part of the pressing force is transmitted via the rollers becomes.
  • a machine for producing corrugated cardboard has a machine frame 1, in which a lower corrugating roller 2 and an upper corrugating roller 3 by means of Shafts 4 and 5 are rotatably mounted. They point parallel to each other Axes 6 and 7 respectively. They are parallel to each other on their cylinder surfaces to the axes 6, 7 extending corrugations 8 and 9 provided in Comb the contact area 10 of the two corrugated rollers 2, 3 with one another.
  • One of the corrugating rollers 2, 3, usually the upper corrugating roller 3, is driven in one direction of rotation 11, while the other corrugating roller, Usually, the lower corrugated roller 2, in a direction of rotation 12 is taken along by the other corrugating roller 3.
  • a glue application device 13 arranged in the machine frame 1.
  • a pressure device 14 is provided, the first Deflection roller 15, a second deflection roller 16 and a pressure belt 17th having.
  • the deflecting rollers 15 and 16 are by means of shaft journals 18 in Bearings 19 of the machine frame 1 each rotatably supported about an axis 20 and are from the upper corrugating roller 3 via the pressure belt 17th taken, which revolves according to the direction arrow 21.
  • the glue application device 13 has a glue application roller 22, one Glue metering roller 23 and a glue container 24.
  • the glue application roller 22 has at its longitudinal ends bearing journals 25, each in a bearing 27 having a bearing housing 26 about an axis 28 are rotatably mounted.
  • the bearing housing 26 is in a wall 29 of the machine frame 1 arranged.
  • the axis 28 of the glue application roller 22 extends parallel to the axis 7 of the upper corrugating roller 3, being between the Corrugated roller 3 and the glue application roller 22 a gluing gap 30 Width B is formed.
  • the corrugated roller 3 has on its longitudinal side Ends journal 31, each in a bearing housing 32nd having bearing 33 are arranged, the bearing housing 32 in the Wall 29 is arranged.
  • the glue application roller 22 is in the same direction the corrugated roller 3 along the direction of rotation 34 with approximately the same peripheral speed like the corrugated roller 3 driven.
  • the glue application roller 22 dips part of its outer surface 35 into the glue container 24. As a result of its rotation, a glue film from the glue bath 24 is continuously applied to the outer surface 35.
  • the glue metering roller 23 can be set against the glue application roller 22 and limits an adjustable metering gap 36 with it.
  • the glue application roller 22 has at its two ends a thrust ring 36a formed concentrically with the axis 28 and connected to the glue application roller 22. This has an outer diameter D A which is larger, in particular slightly larger, than the outer diameter D L of the glue application roller 22 in the region between the thrust rings 36a.
  • a calibration device is used to adjust the width B of the gluing gap 30 37 provided.
  • This includes in the area of both ends Glue application roller 22 a pressure unit 38, which is perpendicular to the Axis 28 has displaceable piston rod 39, which with a pressing force A against that in a sliding guide 40 perpendicular to the axis 28 and slidably guided in the plane spanned by axes 7 and 28
  • Bearing housing 26 presses Is between the bearing housings 26 and 32 adjacent to each other is a load cell designed as a load cell 41 and an actuating unit 42 for adjusting the bearing distance L. provided between the bearing housings 26 and 32.
  • the actuating unit 42 has a wedge 43 connected to the bearing housing 32 and one in parallel to the axis 28 between the force measuring unit 41 and the wedge 43 slidable Sliding wedge 44 on by a spindle motor 45 Spindle 46 is slidable.
  • On the glue application roller 22 facing End of the bearing housing 26 is in relation to the corrugated roller 3
  • Commercially available eddy current sensor 47 for measuring its distance R provided for the corrugated roller 3.
  • the eddy current sensor 47, the force measuring unit 41, the spindle motor 45 and the pressure unit 38 are over Control lines 48 connected to a control unit 49.
  • Fig. 3 shows the mirror image to Fig. 2, with the corresponding elements the same reference numerals as in Fig. 2, but with a superscript Get a dash.
  • a paper web 50 runs into the contact area 10 a, which becomes a corrugated web 51 by the corrugations 8, 9.
  • the Wellbahn 51 has wave tips 52 which are in the glue application device 13 be provided with glue.
  • the remaining areas of the corrugated sheet 51 are not glued.
  • a laminating web 53 is formed over the deflecting roller 16 fed, which is also made of paper and has the same width as the paper web 50.
  • the laminating web 53 is against the outside 54 of the Pressure tape 17 inserted and in the area where the pressure tape 17 rests against the corrugated roller 3, pressed against the shaft tips 52 and connected to them.
  • the unit then becomes corrugated sheet 51 and laminating web 53 guided around the deflection roller 15.
  • the calibration of the width B of the gluing gap 30 is described below. Initially, the corrugating roller 3 and the glue application roller 22 are separated from one another by more than the width to be set by the calibration.
  • a pressing unit 38 presses the bearing housing 26 against the bearing housing 32 at one end of the glue application roller 22 with a pressing force A. Neither the glue application roller 22 nor the thrust ring 36a are in contact with the corrugated roller 3.
  • the ones in the force measuring unit 41 measured bearing contact force P corresponds essentially to the pressing force A.
  • the sliding wedge 44 in FIG. 2 is shifted to the left by the spindle motor 45, as a result of which the bearing distance L is reduced. This continues until the thrust ring 36a comes into contact with the corrugating roller 3.
  • the outer diameter D A of the thrust ring 36a is selected such that the following applies relative to the other outer diameter D L of the glue application roller 22: (D A - D L ) / 2 corresponds to the width of the calibrated glue application gap 30.
  • the calibration process is carried out at both ends of the glue application roller 22 .
  • the control unit 49 enables the calibration process to be carried out completely automatically at both ends of the glue application roller 22.
  • the thrust ring 36a protruding from the glue application roller 22 prevents the glue application roller 22 from coming into contact with the corrugating roller 3, which could damage the surface of the glue application roller 22.
  • the protrusion (D A -D L ) / 2 of the thrust ring 36a relative to the glue application roller 22 is selected such that it is smaller than the smallest thickness of the corrugated web 51 to be processed.
  • the so set Glueing gap 30 has a known width, which results from the Width of the calibrated gluing gap 30 and the height by which the Glue applicator roller 22 was raised, results. This height can go through the eddy current sensor 47 are measured.
  • the gluing gap 30 is adjusted so that its width is the thickness of the corrugated sheet 51 plus one predetermined slip, which is between 0.01 mm and 0.03 mm, in particular 0.02 mm, lies, corresponds. Changes to the Gap width B, the z. B. can arise from thermal expansion, measured by the eddy current sensor 47 and via the control unit 49 and the actuator 42 automatically compensated.
  • the glue application roller 22 is used in all applications compared to the corrugated roller 3 and thus relative to the corrugated sheet 51 driven with slip, at a peripheral speed which is 1 to 10% lower; the glue application roller 22 thus runs opposite to the Wellbahn 51 after.

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

Abstract

The machine has a corrugation roller (3) and a parallel sizing roller (22) spaced apart by a sizing gap (30), which is adjusted by application of a pressure force on the bearing (27) of the sizing roller in the direction of the corrugation roller bearing (33), under control of a calibration device (37 with a force measuring device (41) indicating a drop in bearing force upon contact between the corrugation roller and the sizing roller.. An Independent claim for a calibrating method for a corrugated paper web manufacturing machine is also included.

Description

Die Erfindung betrifft eine Maschine zur Herstellung einer Wellpappebahn sowie ein Verfahren zur Kalibrierung des Beleimungsspaltes einer solchen Maschine.The invention relates to a machine for producing a corrugated cardboard web as well as a method for calibrating the gluing gap of such Machine.

Es ist durch offenkundige Vorbenutzung zur Einstellung der Breite des Beleimungsspaltes zwischen einer Riffelwalze und einer Leimauftragswalze in einer Wellpappemaschine bekannt, daß eine Bedienungsperson von Hand ein sogenanntes Spleißband mit vorgegebener Dicke zwischen die mit einer Wellbahn belegte Riffelwalze und die Leimauftragswalze hält. Anschließend wird der Abstand zwischen der Leimauftragswalze und der Riffelwalze reduziert. Dies geschieht bei rotierender Riffelwalze und rotierender Leimauftragswalze. Die Breite des Beleimungsspaltes wird solange reduziert, bis das Spleißband durch die rotierenden Walzen mitgenommen wird. Der Beleimungsspalt ist dann auf die Dicke des Spleißbandes eingestellt. Diese Art der Einstellung des Beleimungsspaltes hat jedoch den Nachteil, daß die Einstellung aufwendig ist und nicht automatisch erfolgen kann. Ferner besteht die Gefahr, daß die Hand, mit der die Bedienungsperson das Spleißband hält, in den Beleimungsspalt gezogen und verletzt wird.It is through overt prior use to adjust the width of the Gluing gap between a corrugating roller and a glue application roller known in a corrugated cardboard machine that an operator of Hand with a so-called splice tape with a predetermined thickness between the a corrugated web covered corrugated roller and the glue application roller holds. Subsequently is the distance between the glue application roller and the corrugating roller reduced. This happens with a rotating corrugated roller and rotating Glue application roller. The width of the gluing gap will be as long reduced until the splicing tape is carried along by the rotating rollers becomes. The gluing gap is then adjusted to the thickness of the splicing tape. However, this type of setting of the gluing gap has the Disadvantage that the setting is complex and not done automatically can. There is also a risk that the hand with which the operator the splicing tape holds, is pulled into the gluing gap and is injured.

Aus der DE 197 15 174 A1 ist eine Maschine zur Herstellung einer Wellpappebahn bekannt. Die Leimauftragswalze wird unmittelbar gegen die einen Teil der Riffelwalze umschlingende Wellbahn gedrückt. Ein Beleimungsspalt zwischen der Wellbahn und der Mantelfläche der Beleimungswalze ist nicht vorhanden. Zur Einstellung einer vorgegebenen Anpreßkraft zwischen Beleimungswalze und Wellbahn ist eine Kraftmeßeinheit sowie eine Einrichtung zur Veränderung des Abstandes zwischen Riffelwalze und Leimauftragswalze vorgesehen. Nachteilig an dieser Anordnung ist, daß die Leimauftragswalze mit einer vorgegebenen Kraft gegen die Riffelwalze drückt, wodurch die Leimauftragswalze möglicherweise beschädigt wird.DE 197 15 174 A1 describes a machine for producing a corrugated cardboard web known. The glue application roller is directly against the pressed a part of the corrugated roller corrugated web. A glue gap between the corrugated sheet and the outer surface of the gluing roller is not present. For setting a specified contact pressure between gluing roller and corrugated web is a force measuring unit as well a device for changing the distance between the corrugated roller and Glue application roller provided. A disadvantage of this arrangement is that the Glue application roller with a predetermined force against the corrugating roller presses, possibly causing damage to the glue application roller.

Der Erfindung liegt somit die Aufgabe zugrunde, eine Maschine zur Herstellung von Wellpappe bereitzustellen, bei der die Einstellung des Beleimungsspaltes möglichst einfach und automatisch erfolgen kann.The invention is therefore based on the object of a machine for the production of corrugated cardboard to provide the setting of the gluing gap can be done as simply and automatically as possible.

Die Aufgabe wird durch die Merkmale des Anspruchs 1 sowie durch das Verfahren gemäß Anspruch 10 gelöst. Der Kern der Erfindung besteht darin, das Lager der Leimauftragswalze gegen das Lager der Riffelwalze mit einer vorgegebenen Kraft zu drücken und die Lageranpreß-Kraft zwischen beiden Lagern zu messen. Der Abstand zwischen beiden Lagern wird anschließend solange reduziert, bis die Leimauftragswalze in Kontakt mit der Riffelwalze kommt. Dies wird dadurch detektiert, daß die Lageranpreß-Kraft abfällt, da ein Teil der Andrück-Kraft über die Walzen übertragen wird.The object is achieved by the features of claim 1 and by the Method according to claim 10 solved. The essence of the invention is therein, the glue applicator roller bearing against the corrugated roller bearing to press with a predetermined force and the bearing pressure force between to measure both bearings. The distance between the two bearings is then reduced until the glue application roller comes into contact with the corrugated roller comes. This is detected by the bearing pressure drops because part of the pressing force is transmitted via the rollers becomes.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous embodiments of the invention result from the Dependent claims.

Zusätzliche Vorteile und Einzelheiten der Erfindung ergeben sich aus der Beschreibung anhand der Zeichnung. Es zeigen:

Fig. 1
eine Maschine zur Herstellung einer einseitig kaschierten Wellpappebahn in einer vertikalen, teilweise aufgebrochenen Darstellung,
Fig. 2
einen Querschnitt durch die linke Hälfte der Maschine gemäß der Schnittlinie II-II in Fig. 1, und
Fig. 3
einen Querschnitt durch die rechte Hälfte der Maschine gemäß der Schnittlinie II-II in Fig. 1.
Additional advantages and details of the invention will become apparent from the description with reference to the drawing. Show it:
Fig. 1
a machine for producing a web of corrugated cardboard laminated on one side in a vertical, partially broken-open representation,
Fig. 2
a cross section through the left half of the machine along the section line II-II in Fig. 1, and
Fig. 3
a cross section through the right half of the machine according to section line II-II in Fig. 1st

Eine Maschine zur Herstellung von Wellpappe weist ein Maschinengestell 1 auf, in dem eine untere Riffelwalze 2 und eine obere Riffelwalze 3 mittels Wellen 4 bzw. 5 drehbar gelagert sind. Sie weisen zueinander parallele Achsen 6 bzw. 7 auf. An ihren Zylinderoberflächen sind sie mit sich parallel zu den Achsen 6, 7 erstreckenden Riffelungen 8 bzw. 9 versehen, die im Berührungsbereich 10 der beiden Riffelwalzen 2, 3 miteinander kämmen. Eine der Riffelwalzen 2, 3, und zwar üblicherweise die obere Riffelwalze 3, ist in einer Drehrichtung 11 angetrieben, während die andere Riffelwalze, üblicherweise also die untere Riffelwalze 2, in einer Drehrichtung 12 von der anderen Riffelwalze 3 mitgenommen wird. In Drehrichtung 11 bzw. 12 dem Berührungsbereich 10 nachgeordnet ist eine Leimauftrags-Einrichtung 13 im Maschinengestell 1 angeordnet. Im oberen Bereich der Riffelwalze 3 ist eine Anpreß-Einrichtung 14 vorgesehen, die eine erste Umlenkwalze 15, eine zweite Umlenkwalze 16 und ein Anpreßband 17 aufweist. Die Umlenkwalzen 15 und 16 sind mittels Wellenzapfen 18 in Lagern 19 des Maschinengestells 1 jeweils um eine Achse 20 drehbar gelagert und werden von der oberen Riffelwalze 3 über das Anpreßband 17 mitgenommen, welches entsprechend dem Richtungspfeil 21 umläuft.A machine for producing corrugated cardboard has a machine frame 1, in which a lower corrugating roller 2 and an upper corrugating roller 3 by means of Shafts 4 and 5 are rotatably mounted. They point parallel to each other Axes 6 and 7 respectively. They are parallel to each other on their cylinder surfaces to the axes 6, 7 extending corrugations 8 and 9 provided in Comb the contact area 10 of the two corrugated rollers 2, 3 with one another. One of the corrugating rollers 2, 3, usually the upper corrugating roller 3, is driven in one direction of rotation 11, while the other corrugating roller, Usually, the lower corrugated roller 2, in a direction of rotation 12 is taken along by the other corrugating roller 3. In direction of rotation 11 or 12 downstream of the contact area 10 is a glue application device 13 arranged in the machine frame 1. At the top of the Corrugated roller 3, a pressure device 14 is provided, the first Deflection roller 15, a second deflection roller 16 and a pressure belt 17th having. The deflecting rollers 15 and 16 are by means of shaft journals 18 in Bearings 19 of the machine frame 1 each rotatably supported about an axis 20 and are from the upper corrugating roller 3 via the pressure belt 17th taken, which revolves according to the direction arrow 21.

Die Leimauftrags-Einrichtung 13 weist eine Leimauftragswalze 22, eine Leimdosierwalze 23 und ein Leimbehälter 24 auf. Die Leimauftragswalze 22 weist an ihren längsseitigen Enden Lagerzapfen 25 auf, die jeweils in einem ein Lagergehäuse 26 aufweisenden Lager 27 um eine Achse 28 drehbar gelagert sind. Das Lagergehäuse 26 ist in einer Wand 29 des Maschinengestells 1 angeordnet. Die Achse 28 der Leimauftragswalze 22 verläuft parallel zu der Achse 7 der oberen Riffelwalze 3, wobei zwischen der Riffelwalze 3 und der Leimauftragswalze 22 ein Beleimungsspalt 30 der Breite B gebildet wird. Ebenso weist die Riffelwalze 3 an ihren längsseitigen Enden Lagerzapfen 31 auf, die jeweils in einem ein Lagergehäuse 32 aufweisenden Lager 33 angeordnet sind, wobei das Lagergehäuse 32 in der Wand 29 angeordnet ist. Die Leimauftragswalze 22 wird gleichsinnig mit der Riffelwalze 3 entlang der Drebrichtung 34 mit annähernd gleicher Umfangsgeschwindigkeit wie die Riffelwalze 3 angetrieben.The glue application device 13 has a glue application roller 22, one Glue metering roller 23 and a glue container 24. The glue application roller 22 has at its longitudinal ends bearing journals 25, each in a bearing 27 having a bearing housing 26 about an axis 28 are rotatably mounted. The bearing housing 26 is in a wall 29 of the machine frame 1 arranged. The axis 28 of the glue application roller 22 extends parallel to the axis 7 of the upper corrugating roller 3, being between the Corrugated roller 3 and the glue application roller 22 a gluing gap 30 Width B is formed. Likewise, the corrugated roller 3 has on its longitudinal side Ends journal 31, each in a bearing housing 32nd having bearing 33 are arranged, the bearing housing 32 in the Wall 29 is arranged. The glue application roller 22 is in the same direction the corrugated roller 3 along the direction of rotation 34 with approximately the same peripheral speed like the corrugated roller 3 driven.

Die Leimauftragswalze 22 taucht mit einem Teil ihrer Mantelfläche 35 in das Leimbehälter 24. In Folge ihrer Rotation wird fortlaufend ein Leimfilm aus dem Leimbad 24 auf die Mantelfläche 35 aufgebracht. Die Leimdosierwalze 23 ist gegen die Leimauftragswalze 22 zustellbar und begrenzt mit dieser einen einstellbaren Dosierspalt 36. Die Leimauftragswalze 22 weist an ihren beiden Enden einen konzentrisch zur Achse 28 ausgebildeten, mit der Leimauftragswalze 22 verbundenen Anlaufring 36a auf. Dieser weist einen Außendurchmesser DA auf, der größer, insbesondere geringfügig größer ist als der Außendurchmesser DL der Leimauftragswalze 22 im Bereich zwischen den Anlaufringen 36a.The glue application roller 22 dips part of its outer surface 35 into the glue container 24. As a result of its rotation, a glue film from the glue bath 24 is continuously applied to the outer surface 35. The glue metering roller 23 can be set against the glue application roller 22 and limits an adjustable metering gap 36 with it. The glue application roller 22 has at its two ends a thrust ring 36a formed concentrically with the axis 28 and connected to the glue application roller 22. This has an outer diameter D A which is larger, in particular slightly larger, than the outer diameter D L of the glue application roller 22 in the region between the thrust rings 36a.

Zur Einstellung der Breite B des Beleimungsspaltes 30 ist eine Kalibrier-Einrichtung 37 vorgesehen. Diese umfaßt im Bereich beider Enden der Leimauftragswalze 22 eine Andrück-Einheit 38, die eine senkrecht zur Achse 28 verschiebbare Kolbenstange 39 aufweist, die mit einer Andrück-Kraft A gegen das in einer Schiebeführung 40 senkrecht zur Achse 28 und in der durch die Achsen 7 und 28 aufgespannten Ebene verschiebbar geführte Lagergehäuse 26 drückt. Zwischen den Lagergehäusen 26 und 32 ist zueinander benachbart eine als Kraftmeßdose ausgebildete Kraftmeß-Einheit 41 und eine Stell-Einheit 42 zur Einstellung des Lager-Abstandes L zwischen den Lagergehäusen 26 und 32 vorgesehen. Die Stell-Einheit 42 weist einen mit dem Lagergebäuse 32 verbundenen Keil 43 und einen parallel zur Achse 28 zwischen der Kraftmeß-Einheit 41 und dem Keil 43 verschiebbaren Schiebe-Keil 44 auf, der von einem Spindelmotor 45 über eine Spindel 46 verschiebbar ist. An dem der Leimauftragswalze 22 zugewandten Ende des Lagergehäuses 26 ist gegenüber der Riffelwalze 3 ein im Handel erhältlicher Wirbelstrom-Sensor 47 zur Messung dessen Abstandes R zur Riffelwalze 3 vorgesehen. Der Wirbelstrom-Sensor 47, die Kraftmeß-Einheit 41, der Spindelmotor 45 und die Andrück-Einheit 38 sind über Steuer-Leitungen 48 mit einer Steuer-Einheit 49 verbunden. Fig. 3 zeigt die spiegelbildliche Darstellung zu Fig. 2, wobei die korrespondierenden Elemente dieselben Bezugszeichen wie in Fig. 2, jedoch mit einem hochgesetzten Strich erhalten.A calibration device is used to adjust the width B of the gluing gap 30 37 provided. This includes in the area of both ends Glue application roller 22 a pressure unit 38, which is perpendicular to the Axis 28 has displaceable piston rod 39, which with a pressing force A against that in a sliding guide 40 perpendicular to the axis 28 and slidably guided in the plane spanned by axes 7 and 28 Bearing housing 26 presses. Is between the bearing housings 26 and 32 adjacent to each other is a load cell designed as a load cell 41 and an actuating unit 42 for adjusting the bearing distance L. provided between the bearing housings 26 and 32. The actuating unit 42 has a wedge 43 connected to the bearing housing 32 and one in parallel to the axis 28 between the force measuring unit 41 and the wedge 43 slidable Sliding wedge 44 on by a spindle motor 45 Spindle 46 is slidable. On the glue application roller 22 facing End of the bearing housing 26 is in relation to the corrugated roller 3 Commercially available eddy current sensor 47 for measuring its distance R provided for the corrugated roller 3. The eddy current sensor 47, the force measuring unit 41, the spindle motor 45 and the pressure unit 38 are over Control lines 48 connected to a control unit 49. Fig. 3 shows the mirror image to Fig. 2, with the corresponding elements the same reference numerals as in Fig. 2, but with a superscript Get a dash.

Im folgenden wird zunächst die Wirkungsweise der Maschine im Normalbetrieb beschrieben. In den Berührungsbereich 10 läuft eine Papierbahn 50 ein, die durch die Riffelungen 8, 9 zu einer Wellbahn 51 wird. Die Wellbahn 51 weist Wellenspitzen 52 auf, die in der Leimauftrags-Einrichtung 13 mit Leim versehen werden. Die übrigen Bereiche der Wellbahn 51 werden nicht beleimt. Über die Umlenkwalze 16 wird eine Kaschierbahn 53 zugeführt, die ebenfalls aus Papier besteht und die gleiche Breite hat wie die Papierbahn 50. Die Kaschierbahn 53 wird gegen die Außenseite 54 des Anpreßbandes 17 eingeführt und in dem Bereich, in dem das Anpreßband 17 gegen die Riffelwalze 3 anliegt, gegen die Wellenspitzen 52 gedrückt und mit diesen verbunden. Anschließend wird die Einheit aus Wellbahn 51 und Kaschierbahn 53 um die Umlenkwalze 15 geführt.The following is the operation of the machine in normal operation described. A paper web 50 runs into the contact area 10 a, which becomes a corrugated web 51 by the corrugations 8, 9. The Wellbahn 51 has wave tips 52 which are in the glue application device 13 be provided with glue. The remaining areas of the corrugated sheet 51 are not glued. A laminating web 53 is formed over the deflecting roller 16 fed, which is also made of paper and has the same width as the paper web 50. The laminating web 53 is against the outside 54 of the Pressure tape 17 inserted and in the area where the pressure tape 17 rests against the corrugated roller 3, pressed against the shaft tips 52 and connected to them. The unit then becomes corrugated sheet 51 and laminating web 53 guided around the deflection roller 15.

Im folgenden wird die Kalibrierung der Breite B des Beleimungsspalts 30 beschrieben. Anfänglich sind die Riffelwalze 3 und die Leimauftragswalze 22 voneinander um mehr als die durch die Kalibrierung einzustellende Breite entfernt. Eine Andrück-Einheit 38 drückt an einem Ende der Leimauftragswalze 22 das Lagergehäuse 26 gegen das Lagergehäuse 32 mit einer Andrück-Kraft A. Weder die Leimauftragswalze 22 noch der Anlaufring 36a befinden sich in Kontakt mit der Riffelwalze 3. Die in der Kraftmeß-Einheit 41 gemessene Lager-Anpreß-Kraft P entspricht im wesentlichen der Andrück-Kraft A. Anschließend wird durch den Spindelmotor 45 der Schiebe-Keil 44 in Figur 2 nach links verschoben, wodurch sich der Lager-Abstand L reduziert. Dies geschieht solange, bis der Anlaufring 36a in Kontakt mit der Riffelwalze 3 kommt. In diesem Augenblick verzweigt sich der Pfad der Andrück-Kraft A, da nun ein Teil der Andrück-Kraft A über den Anlaufring 36a auf die Riffelwalze übertragen wird und ein anderer Teil weiterhin über das Lagergehäuse 26 und die Kraftmeß-Einheit 41 auf das Lager 32 übertragen wird. Deshalb fällt die in der Kraftmeß-Einheit 41 gemessene Lager-Anpreß-Kraft P ab, wodurch das Anliegen des Anlaufrings 36a an der Riffelwalze 3 detektiert wird. Der Außendurchmesser DA des Anlaufrings 36a ist so gewählt, daß relativ zum sonstigen Außendurchmesser DL der Leimauftragswalze 22 gilt: (DA - DL) / 2 entspricht der Breite des kalibrierten Beleimungsspalts 30. Das Kalibrierverfahren wird an beiden Enden der Leimauftragswalze 22 durchgeführt. Durch die Steuer-Einheit 49 kann der Kalibriervorgang vollkommen automatisch an beiden Enden der Leimauftragswalze 22 durchgeführt werden. Durch den gegenüber der Leimauftragswalze 22 vorstehenden Anlaufring 36a wird vermieden, daß die Leimauftragswalze 22 mit der Riffelwalze 3 in Berührung kommt, wodurch die Oberfläche der Leimauftragswalze 22 beschädigt werden könnte. Der Überstand (DA-DL) /2 des Anlaufrings 36a gegenüber der Leimauftragswalze 22 ist so gewählt, daß er kleiner ist als die kleinste zu verarbeitende Dicke der Wellbahn 51.The calibration of the width B of the gluing gap 30 is described below. Initially, the corrugating roller 3 and the glue application roller 22 are separated from one another by more than the width to be set by the calibration. A pressing unit 38 presses the bearing housing 26 against the bearing housing 32 at one end of the glue application roller 22 with a pressing force A. Neither the glue application roller 22 nor the thrust ring 36a are in contact with the corrugated roller 3. The ones in the force measuring unit 41 measured bearing contact force P corresponds essentially to the pressing force A. Subsequently, the sliding wedge 44 in FIG. 2 is shifted to the left by the spindle motor 45, as a result of which the bearing distance L is reduced. This continues until the thrust ring 36a comes into contact with the corrugating roller 3. At this moment, the path of the pressing force A branches off, since part of the pressing force A is now transmitted to the corrugating roller via the thrust ring 36a and another part continues via the bearing housing 26 and the force measuring unit 41 to the bearing 32 is transmitted. Therefore, the bearing contact force P measured in the force measuring unit 41 drops, as a result of which the contact of the thrust ring 36a on the corrugating roller 3 is detected. The outer diameter D A of the thrust ring 36a is selected such that the following applies relative to the other outer diameter D L of the glue application roller 22: (D A - D L ) / 2 corresponds to the width of the calibrated glue application gap 30. The calibration process is carried out at both ends of the glue application roller 22 . The control unit 49 enables the calibration process to be carried out completely automatically at both ends of the glue application roller 22. The thrust ring 36a protruding from the glue application roller 22 prevents the glue application roller 22 from coming into contact with the corrugating roller 3, which could damage the surface of the glue application roller 22. The protrusion (D A -D L ) / 2 of the thrust ring 36a relative to the glue application roller 22 is selected such that it is smaller than the smallest thickness of the corrugated web 51 to be processed.

Nach der Kalibrierung des Beleimungsspalts 30 wird die Leimauftragswalze 22 wieder geringfügig von der Riffelwalze 3 abgehoben. Der so eingestellte Beleimungsspalt 30 weist eine bekannte Breite auf, die sich aus der Breite des kalibrierten Beleimungsspaltes 30 sowie der Höhe, um die die Leimauftragswalze 22 abgehoben wurde, ergibt. Diese Höhe kann durch den Wirbelstromsensor 47 gemessen werden. Der Beleimungsspalt 30 wird so eingestellt, daß seine Breite der Dicke der Wellbahn 51 zuzüglich eines vorgegebenen Schlupfs, der zwischen 0,01 mm und 0,03 mm, insbesondere 0,02 mm, liegt, entspricht. Während des Betriebs werden Änderungen der Spaltbreite B, die z. B. durch thermische Ausdehnung entstehen können, durch den Wirbelstrom-Sensor 47 gemessen und über die Steuer-Einheit 49 und die Stell-Einheit 42 automatisch ausgeglichen.After the calibration of the gluing gap 30, the glue application roller 22 again slightly lifted from the corrugated roller 3. The so set Glueing gap 30 has a known width, which results from the Width of the calibrated gluing gap 30 and the height by which the Glue applicator roller 22 was raised, results. This height can go through the eddy current sensor 47 are measured. The gluing gap 30 is adjusted so that its width is the thickness of the corrugated sheet 51 plus one predetermined slip, which is between 0.01 mm and 0.03 mm, in particular 0.02 mm, lies, corresponds. Changes to the Gap width B, the z. B. can arise from thermal expansion, measured by the eddy current sensor 47 and via the control unit 49 and the actuator 42 automatically compensated.

Es ist möglich, an der Leimauftragswalze 22 keine Anlaufringe 36a vorzusehen. In diesem Fall erfolgt die Zustellung der Leimauftragswalze 22 unmittelbar gegen die die Riffelwalze 3 teilweise umschlingende Wellbahn 51. Dies ist besonders bei Papierbahnen 50 äußerst geringer Dicke von Bedeutung, da in diesem Fall der Anlaufring 36a kaum meßbar gegenüber der Leimauftragswalze 22 hervorstehen müßte.It is possible not to provide thrust rings 36a on the glue application roller 22. In this case, the glue application roller 22 is delivered immediately against the corrugated web partially wrapping around the corrugated roller 3 51. This is particularly important for paper webs 50 of extremely thin thickness, since in this case the thrust ring 36a is hardly measurable compared to the Glue application roller 22 should protrude.

Gerade die vorstehend angesprochene Lösung, bei der die Leimauftragswalze 22 unmittelbar gegen die die Riffelwalze 3 teilweise umschlingende Wellbahn 51 zugestellt wird, ermöglicht es, gleichermaßen in einem Durchgang die Kalibrierung der Leimauftragswalze 22 und deren Einstellung in einem durchgehenden Vorgang vorzunehmen. Hierzu wird nach dem Kontakt zwischen Leimauftragswalze 22 und Wellbahn 51 die Leimauftragswalze 22 wieder geringfügig von der Wellbahn 51 abgehoben, und zwar um einen Betrag von 0,01 bis 0,03 mm bevorzugt etwa 0,02 mm.The solution mentioned above, in which the glue application roller 22 directly against the partially wrapping around the corrugating roller 3 Corrugated web 51 is delivered, makes it possible in one Pass the calibration of the glue application roller 22 and its adjustment in one continuous process. For this, after the contact between glue application roller 22 and corrugated web 51, the glue application roller 22 again slightly raised from the corrugated web 51, and by an amount of 0.01 to 0.03 mm, preferably about 0.02 mm.

Während der Beleimung wird die Leimauftragswalze 22 in allen Anwendungsfällen gegenüber der Riffelwalze 3 und damit gegenüber der Wellbahn 51 mit Schlupf angetrieben, und zwar mit einer Umfangsgeschwindigkeit die 1 bis 10 % niedriger ist; die Leimauftragswalze 22 läuft also gegenüber der Wellbahn 51 nach.During the gluing, the glue application roller 22 is used in all applications compared to the corrugated roller 3 and thus relative to the corrugated sheet 51 driven with slip, at a peripheral speed which is 1 to 10% lower; the glue application roller 22 thus runs opposite to the Wellbahn 51 after.

Claims (14)

Maschine zur Herstellung einer Wellpappebahn, welche mindestens eine Wellenspitzen (52) aufweisende Wellbahn (51) und mindestens eine mit den Wellenspitzen (52) verklebte Kaschierbahn (53) aufweist, umfassend: a) mindestens eine der Formgebung der Wellbahn (51) dienende Riffelwalze (3), welche aufweist i) eine Riffelwalzen-Achse (7), um die die Riffelwalze (3) drehbar ist, ii) ein erstes Riffelwalzen-Ende mit einem ersten Riffelwalzen-Lagerzapfen (31), der in einem ersten Riffelwalzen-Lager (33) gelagert ist, und iii) ein zweites Riffelwalzen-Ende mit einem zweiten Riffelwalzen-Lagerzapfen (31'), der in einem zweiten Riffelwalzen-Lager (33') gelagert ist, b) eine Leimauftrags-Einrichtung (13) zum Auftrag von Leim auf die Wellenspitzen (52) mit einer Leimauftragswalze (22), die i) eine Leimauftragswalzen-Achse (28) aufweist, um die die Leimauftragswalze (22) drehbar ist und die parallel zu der Riffelwalzen-Achse (7) verläuft, ii) ein erstes Leimauftragswalzen-Ende mit einem ersten Leimauftragswalzen-Lagerzapfen (25) aufweist, der in einem ersten Leimauftragswalzen-Lager (27) gelagert ist, das dem ersten Riffelwalzen-Lager (33) zugeordnet ist, iii) ein zweites Leimauftragswalzen-Ende mit einem zweiten Leimauftragswalzen-Lagerzapfen (25') aufweist, der in einem zweiten Leimauftragswalzen-Lager (27') gelagert ist, das dem zweiten Riffelwalzen-Lager (33') zugeordnet ist, iv) zwischen sich und der Riffelwalze (3) einen Beleimungsspalt (30) einer Breite B begrenzt, und v) zur Einstellung der Breite B des Beleimungsspaltes (30) auf die Riffelwalze (22) zustellbar ist, und c) eine Kalibrier-Einrichtung (37) zur Einstellung der Breite B des Beleimungsspaltes (30) mit i) mindestens einer Andrück-Einheit (38, 38') zum Andrücken eines Leimauftragswalzen-Lagers (27, 27') gegen das zugeordnete Riffelwalzen-Lager (33, 33') mit einer Andrück-Kraft A, ii) mindestens einer Kraftmeß-Einheit (41, 41') zur Messung einer Lager-Anpreß-Kraft P zwischen dem angedrückten Leimauftragswalzen-Lager (27, 27') und dem zugeordneten Riffelwalzen-Lager (33, 33'), iii) mindestens einer Stell-Einheit (42, 42') zur Einstellung eines Lager-Abstandes L zwischen einem angedrückten Leimauftragswalzen-Lager (27, 27') und dem zugeordneten Riffelwalzen-Lager (33, 33'), und iv) mindestens einer Steuer-Einrichtung (49, 49'), welche mit der mindestens einen Kraftmeß-Einheit (41, 41') und der mindestens einen Stell-Einheit (42, 42') zur Übertragung von Signalen verbunden ist und die mindestens eine Stell-Einheit (42, 42') in der Weise ansteuert, daß mindestens ein Lager-Abstand L reduziert wird, bis die Lager-Anpreß-Kraft P durch die Kontaktierung von Leimauftragswalze (22) und Riffelwalze (3) abfällt. Machine for producing a corrugated cardboard web, which has at least one corrugated web (51) having corrugated tips (52) and at least one laminated web (53) glued to the corrugated tips (52), comprising: a) at least one corrugating roller (3) which serves to shape the corrugated web (51) and which has i) a corrugating roller axis (7) about which the corrugating roller (3) can be rotated, ii) a first corrugating roller end with a first corrugating roller bearing journal (31) which is mounted in a first corrugating roller bearing (33), and iii) a second corrugating roller end with a second corrugating roller bearing journal (31 ') which is mounted in a second corrugating roller bearing (33'), b) a glue application device (13) for applying glue to the shaft tips (52) with a glue application roller (22), the i) has a glue application roller axis (28) about which the glue application roller (22) can be rotated and which runs parallel to the corrugating roller axis (7), ii) has a first glue application roller end with a first glue application roller bearing journal (25) which is mounted in a first glue application roller bearing (27) which is assigned to the first corrugating roller bearing (33), iii) has a second glue application roller end with a second glue application roller bearing journal (25 ') which is mounted in a second glue application roller bearing (27') which is assigned to the second corrugating roller bearing (33 '), iv) between itself and the corrugating roller (3) delimits a gluing gap (30) of a width B, and v) to adjust the width B of the gluing gap (30) on the corrugated roller (22) is deliverable, and c) a calibration device (37) for setting the width B of the gluing gap (30) with i) at least one pressing unit (38, 38 ') for pressing a glue application roller bearing (27, 27') against the associated corrugated roller bearing (33, 33 ') with a pressing force A, ii) at least one force measuring unit (41, 41 ') for measuring a bearing contact force P between the pressed glue application roller bearing (27, 27') and the associated corrugated roller bearing (33, 33 '), iii) at least one adjusting unit (42, 42 ') for setting a bearing distance L between a pressed glue applicator roller bearing (27, 27') and the associated corrugated roller bearing (33, 33 '), and iv) at least one control device (49, 49 ') which is connected to the at least one force measuring unit (41, 41') and the at least one actuating unit (42, 42 ') for the transmission of signals and the at least one controls an actuating unit (42, 42 ') in such a way that at least one bearing distance L is reduced until the bearing contact force P drops due to the contacting of the glue application roller (22) and the corrugated roller (3). Maschine gemäß Anspruch 1, dadurch gekennzeichnet, daß die Steuer-Einrichtung (49, 49') zur Übertragung von Signalen mit der Andrück-Einheit (38, 38') verbunden ist.Machine according to claim 1, characterized in that the control device (49, 49 ') for transmitting signals is connected to the pressure unit (38, 38'). Maschine gemäß Anspruch 1, dadurch gekennzeichnet, daß die Kalibrier-Einrichtung (37) zwei Andrück-Einheiten (38, 38') aufweist.Machine according to claim 1, characterized in that the calibration device (37) has two pressing units (38, 38 '). Maschine gemäß Anspruch 1, dadurch gekennzeichnet, daß die Kalibrier-Einrichtung (37) zwei Kraftmeß-Einheiten (41, 41') aufweist.Machine according to claim 1, characterized in that the calibration device (37) has two force measuring units (41, 41 '). Maschine gemäß Anspruch 4, dadurch gekennzeichnet, daß die Kalibrier-Einrichtung (37) zwei Stell-Einheiten (42, 42') aufweist.Machine according to claim 4, characterized in that the calibration device (37) has two actuating units (42, 42 '). Maschine gemäß Anspruch 5, dadurch gekennzeichnet, daß mindestens eine der Stell-Einheiten (42, 42') zwei relativ zueinander verschiebbare Keile (43, 44; 43', 44') aufweist.Machine according to claim 5, characterized in that at least one of the adjusting units (42, 42 ') has two wedges (43, 44; 43', 44 ') which can be displaced relative to one another. Maschine gemäß Anspruch 6, dadurch gekennzeichnet, daß der eine Keil (44, 44') der mindestens einen Stell-Einheit (42, 42') durch einen Antrieb relativ zu dem anderen ortsfesten Keil (43, 43') verschiebbar ist.Machine according to claim 6, characterized in that the one wedge (44, 44 ') of the at least one actuating unit (42, 42') can be displaced by a drive relative to the other stationary wedge (43, 43 '). Maschine gemäß Anspruch 1, dadurch gekennzeichnet, daß die Leimauftragswalze (22) an mindestens einem Leimauftragswalzen-Ende einen konzentrisch zur Leimauftragswalzen-Achse (28) angeordneten Anlaufring (36a, 36a') mit einem Außendurchmesser DA aufweist, daß die Leimauftragswalze (22) einen Außendurchmesser DL aufweist und daß für die der Außendurchmesser DA und DL gilt: DA > DL.Machine according to claim 1, characterized in that the glue application roller (22) has at least one glue application roller end a thrust ring (36a, 36a ') arranged concentrically to the glue application roller axis (28) with an outer diameter D A , that the glue application roller (22) has an outer diameter D L and for which the outer diameter D A and D L applies: D A > D L. Maschine gemäß Anspruch 1, dadurch gekennzeichnet, daß die Riffelwalze eine sie zumindest teilweise umschlingende Wellbahn (51) aufweist und die mindestens eine Stell-Einheit (42, 42') in der Weise angesteuert wird, daß ein Lager-Abstand L reduziert wird, bis die Lager-Anpreß-Kraft P durch einen Kontakt von Leimauftragswalze (22) und Wellbahn (51) abfällt.Machine according to claim 1, characterized in that the corrugated roller has a corrugated web (51) which at least partially wraps around it and the at least one actuating unit (42, 42 ') is controlled in such a way that a bearing distance L is reduced until the bearing contact force P drops due to a contact between the glue application roller (22) and the corrugated web (51). Verfahren zur Kalibrierung einer Maschine zur Herstellung einer Wellpappebahn umfassend folgende Schritte: a) Bereitstellen einer Maschine zur Herstellung einer Wellpappebahn, welche mindestens eine Wellenspitzen (52) aufweisende Wellbahn (51) und mindestens eine mit den Wellenspitzen (52) verklebte Kaschierbahn (53) aufweist, umfassend: i) mindestens eine der Formgebung der Wellbahn (51) dienende Riffelwalze (3), welche aufweist eine Riffelwalzen-Achse (7), um die die Riffelwalze (3) drehbar ist, ein erstes Riffelwalzen-Ende mit einem ersten Riffelwalzen-Lagerzapfen (31), der in einem ersten Riffelwalzen-Lager (33) gelagert ist, und ein zweites Riffelwalzen-Ende mit einem zweiten Riffelwalzen-Lagerzapfen (33'), der in einem zweiten Riffelwalzen-Lager (31') gelagert ist, ii) eine Leimauftrags-Einrichtung (13) zum Auftrag von Leim auf die Wellenspitzen (52) mit einer Leimauftragswalze (22), die eine Leimauftragswalzen-Achse (28) aufweist, um die die Leimauftragswalze (22) drehbar ist und die parallel zu der Riffelwalzen-Achse (7) verläuft, ein erstes Leimauftragswalzen-Ende mit einem ersten Leimauftragswalzen-Lagerzapfen (25) aufweist, der in einem ersten Leimauftragswalzen-Lager (27) gelagert ist, das dem ersten Riffelwalzen-Lager (33) zugeordnet ist, ein zweites Leimauftragswalzen-Ende mit einem zweiten Leimauftragswalzen-Lagerzapfen (25') aufweist, der in einem zweiten Leimauftragswalzen-Lager (27') gelagert ist, das dem zweiten Riffelwalzen-Lager (33') zugeordnet ist, zwischen sich und der Riffelwalze (3) einen Beleimungsspalt (30) einer Breite B begrenzt, und zur Einstellung der Breite B des Beleimungsspaltes (30) auf die Riffelwalze (22) zustellbar ist, und iii) eine Kalibrier-Einrichtung (37) zur Einstellung der Breite B des Beleimungsspaltes (30) mit mindestens einer Andrück-Einheit (38, 38') zum Andrücken eines Leimauftragswalzen-Lagers (27, 27') gegen das zugeordnete Riffelwalzen-Lager (33, 33') mit einer Andrück-Kraft A, mindestens einer Kraftmeß-Einheit (41, 41') zur Messung einer Lager-Anpreß-Kraft P zwischen dem angedrückten Leimauftragswalzen-Lager (27, 27') und dem zugeordneten Riffelwalzen-Lager (33, 33'), und mindestens einer Stell-Einheit (42, 42') zur Einstellung eines Lager-Abstandes L zwischen einem angedrückten Leimauftragswalzen-Lager (27, 27') und dem zugeordneten Riffelwalzen-Lager (33, 33'), b) Positionieren der Leimauftragswalze (22) in einer Ausgangsposition, in der die Leimauftragswalze (22) nicht in Kontakt mit der Riffelwalze (3) steht, und c) Reduktion mindestens eines Lager-Abstandes L durch die Stell-Einheit (42), bis die Lager-Anpreß-Kraft P durch einen Kontakt von Leimauftragswalze (22) und Riffelwalze (3) abfällt. Method for calibrating a machine for producing a corrugated cardboard web comprising the following steps: a) Providing a machine for producing a corrugated cardboard web which has at least one corrugated web (51) having corrugated tips (52) and at least one laminated web (53) glued to the corrugated tips (52), comprising: i) at least one corrugating roller (3) serving to shape the corrugated sheet (51), which has a corrugating roller axis (7) about which the corrugating roller (3) can be rotated, a first corrugating roller end with a first corrugating roller bearing journal (31 ), which is mounted in a first corrugating roller bearing (33), and a second corrugating roller end with a second corrugating roller bearing journal (33 '), which is supported in a second corrugating roller bearing (31'), ii) a glue application device (13) for applying glue to the shaft tips (52) with a glue application roller (22) which has a glue application roller axis (28) about which the glue application roller (22) is rotatable and which is parallel to the The corrugating roller axis (7) extends, has a first glue application roller end with a first glue application roller bearing journal (25) which is mounted in a first glue application roller bearing (27) which is assigned to the first corrugating roller bearing (33) has a second glue application roller end with a second glue application roller bearing journal (25 '), which is mounted in a second glue application roller bearing (27'), which is assigned to the second corrugating roller bearing (33 '), between itself and the corrugating roller (3 ) delimiting a gluing gap (30) of a width B, and for adjusting the width B of the gluing gap (30) on the corrugating roller (22) can be set, and iii) a calibration device (37) for adjusting the width B of the gluing gap (30) with at least one pressing unit (38, 38 ') for pressing a glue application roller bearing (27, 27') against the assigned corrugated roller bearing ( 33, 33 ') with a pressing force A, at least one force measuring unit (41, 41') for measuring a bearing pressing force P between the pressed glue application roller bearing (27, 27 ') and the associated corrugated roller bearing (33, 33 '), and at least one adjusting unit (42, 42') for setting a bearing distance L between a pressed-on glue applicator roller bearing (27, 27 ') and the associated corrugated roller bearing (33, 33') , b) positioning the glue application roller (22) in a starting position in which the glue application roller (22) is not in contact with the corrugating roller (3), and c) Reduction of at least one bearing distance L by the actuating unit (42) until the bearing contact force P drops due to a contact between the glue application roller (22) and the corrugated roller (3). Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß über die Riffelwalze (3) eine Wellbahn (51) geführt ist, daß der Lager-Abstand reduziert wird, bis die Lager-Anpreß-Kraft P bei Kontakt von Leimauftragswalze (22) und Wellbahn (51) abfällt und daß anschließend der Lager-Abstand L um einen vorgegebenen Betrag vergrößert wird.Method according to Claim 10, characterized in that a corrugated web (51) is guided over the corrugated roller (3), so that the bearing distance is reduced until the bearing contact force P when the glue application roller (22) and corrugated web (51 ) drops and that the bearing distance L is then increased by a predetermined amount. Verfahren nach Anspruch 11, dadurch gekennzeichnet, daß der Lager-Abstand L um einen Betrag von 0,01 bis 0,03 mm vergrößert wird.A method according to claim 11, characterized in that the bearing distance L is increased by an amount of 0.01 to 0.03 mm. Verfahren nach Anspruch 11, dadurch gekennzeichnet, daß die Riffelwalze (3) und die Leimauftragswalze (22) mit unterschiedlichen Umfangsgeschwindigkeiten drehangetrieben werden.A method according to claim 11, characterized in that the corrugated roller (3) and the glue application roller (22) are rotated at different peripheral speeds. Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß die Leimauftragswalze (22) mit einer um 1 bis 10 % niedrigeren Umfangsgeschwindigkeit umläuft als die Riffelwalze (3) mit der Wellbahn (51).Method according to claim 13, characterized in that the glue application roller (22) rotates at a peripheral speed which is 1 to 10% lower than the corrugated roller (3) with the corrugated web (51).
EP00118589A 1999-09-22 2000-08-28 Machine for producing corrugated board and method of calibrating the glue applicator gap in such a machine Expired - Lifetime EP1086805B1 (en)

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DE19945388 1999-09-22
DE19945388 1999-09-22
DE10034780A DE10034780A1 (en) 1999-09-22 2000-07-18 Machine for producing a cardboard web and a method for calibrating the gluing gap of such a machine
DE10034780 2000-07-18

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