EP0700854A2 - Device for transporting and aligning paper rolls for a paper processing and unwinding device - Google Patents

Device for transporting and aligning paper rolls for a paper processing and unwinding device Download PDF

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Publication number
EP0700854A2
EP0700854A2 EP95113663A EP95113663A EP0700854A2 EP 0700854 A2 EP0700854 A2 EP 0700854A2 EP 95113663 A EP95113663 A EP 95113663A EP 95113663 A EP95113663 A EP 95113663A EP 0700854 A2 EP0700854 A2 EP 0700854A2
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EP
European Patent Office
Prior art keywords
loading plate
alignment
axis
transport
paper roll
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
EP95113663A
Other languages
German (de)
French (fr)
Other versions
EP0700854B1 (en
EP0700854A3 (en
Inventor
Gustav Alfons Gnan
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
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Publication of EP0700854A2 publication Critical patent/EP0700854A2/en
Publication of EP0700854A3 publication Critical patent/EP0700854A3/en
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Publication of EP0700854B1 publication Critical patent/EP0700854B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/415—Unwinding
    • B65H2301/41505—Preparing unwinding process
    • B65H2301/41508—Preparing unwinding process the web roll being in the unwinding support / unwinding location
    • B65H2301/415085—Preparing unwinding process the web roll being in the unwinding support / unwinding location by adjusting / registering the lateral position of the web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4172—Handling web roll by circumferential portion, e.g. rolling on circumference
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/42—Supports for rolls fully removable from the handling machine
    • B65H2405/422—Trolley, cart, i.e. support movable on floor
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/124—Roll handlers

Definitions

  • the unwinding devices for paper rolls that are customary in paper processing machines, for example corrugated cardboard machines, are designed as unwind stands for receiving two paper rolls. They have two swivel arm mechanisms which are arranged mirror-symmetrically to one another and each have a swivel arm pair mounted on a swivel shaft. These pairs of swivel arms can be driven to swivel up and down about their horizontal swivel shaft in order to be able to receive a paper roll from a transport device which can have widely differing diameters, for example from 0.3 to 1.5 m.
  • the invention has for its object to provide a paper roll transport and alignment device of the generic type so that a reliable alignment of the paper roll in front of the paper processing unwinding device is possible without the risk of damage to the paper roll.
  • the essence of the invention is that the loading plate of the transport device is aligned in front of the unrolling device, primarily by displacing the loading plate in the horizontal direction transversely to the direction of the axis of the receiving device of the unrolling device.
  • the horizontal distances between the axis of the paper roll and the receiving axis of the roll receiving device resulting from different diameters of the paper rolls are compensated.
  • a paper processing unwinding device which is stationary with respect to the floor 1 has a pair of swivel arms 2 which can be pivotally driven about a horizontal shaft 3.
  • the swivel arms 2 each have a receiving device 5 at their free ends, which can engage in a central roll sleeve of a paper roll 6 in order to receive this roll and to pivot it upward.
  • the receiving devices 5 have a common receiving axis 7 parallel to the shaft 3, which is intended to coincide with the axis of the paper roll 6 during and after the recording.
  • the receiving axis 7 can be pivoted about the shaft 3 on a circular arc section 8 shown in solid lines.
  • the drawing shows the position of the swivel arms 2 for a paper roll 6 of the largest possible diameter.
  • a position of the receiving axis 7 with the smallest possible diameter of the paper roll 6 is marked with 9.
  • the shaft 3 is arranged so that it is located in the vertical center between the position 9 and the highest position of the receiving axis 7 shown in the drawing.
  • the receiving axis 7 travels horizontally by a distance a, which in practice can be approximately 50 mm.
  • the paper roll 6 is transported on a transport device 10, the transport direction 11 of which runs horizontally and parallel to the receiving axis 7. It is a so-called underfloor conveyor with a carriage 12, the wheels 13 of which are mounted on a frame 14 and run in U-shaped rails 15 which are arranged in the floor 1. On the frame 14, a loading plate 16 is attached, which is immediate is arranged above the floor 1.
  • the loading plate 16 has a partially cylindrical, partially cylindrical loading surface 17, the surface lines of which run parallel to the receiving axis 7 of the receiving device 5.
  • Ramp surfaces 18 slope downward from the side edges of the loading area 17 to the floor 1.
  • a paper roll 6 is placed on the loading plate 16 of the transport device 10 and the latter then together with the paper roll 6 in the transport direction 11 between move the swivel arms 2 of the unwinding device, where the paper roll 6 is gripped with the holding devices 5 and is swiveled up by means of the swivel arms 2.
  • the paper processing unwinding device and the transport device 10 have been described so far, they are known and generally common in practice.
  • the loading plate 16 is displaceable on the frame 14 of the carriage 12 in the direction 19 transversely to the transport direction 11 and transversely to the direction of the receiving axis 7. Furthermore, the loading plate 16 can still be pivoted about a vertical pivot axis 20. To enable these functions, an elongated hole 21 is formed in the loading plate 16, which runs parallel to the direction 19. It is penetrated by a pin 22 forming the pivot axis 20 with head 23. A further elongated hole 24 is formed in the loading plate 16 and is likewise penetrated by a bolt 25 with a head 26 connected to the carriage 12.
  • the width of the elongated hole 21 is only slightly larger than the diameter of the bolt 22, the width of the elongated hole 24 in the transport direction 11 is significantly larger than the diameter of the bolt 25, so that the loading plate 16 in the region of this elongated hole 24 is also displaced in the transport direction 11 can be. Since it is at the same time - in relation to the transport direction 11 - held in the elongated hole 21, it can be pivoted about the pin 22 forming the pivot axis 20, in the region of the elongated hole 24 by an amount in the direction of the transport direction 11, which in practical cases, for example Makes up ⁇ 50 mm.
  • the bolts 22 and 25 are attached to the frame 14 of the carriage 12.
  • the loading plate 16 is on the frame 14 of the carriage 12 by means of four locking devices 27 by frictional forces in their neutral starting position held against the carriage 12, thereby preventing an unintentional change in the position of the loading plate 16 to the carriage 12.
  • Such locking devices 27 can consist of spring-loaded balls which engage in corresponding recesses on the underside of the loading plate 16 and are pressed into the latter. When the loading plate 16 is displaced, they are pressed out of this recess in the underside of the loading plate 16 against the force of the spring and against additional frictional forces.
  • an alignment device 28 is attached to the floor 1. It has an elongated alignment body 29, to which an alignment rail 30, which extends essentially in the transport direction 11, is attached. This comes into engagement with a groove-like recess 31 formed on the underside of the loading plate 16 when the transport device 10 is moved in front of the unrolling device.
  • two, for example electromechanical, linear drives 32, 33 act on the latter, which are connected on the one hand by means of joints 34 to the alignment body 25 and on the other hand by means of joints 35 to stationary abutments 36, so that the linear drives 32, 33 in the joints 34, 35 can be pivoted about vertical pivot axes.
  • the alignment rail 30 is displaced parallel to itself in the direction 19, i.e. the loading plate 16 positively connected to it with a paper roll 6 is moved in the same way.
  • the two linear drives 32, 33 are driven differently, as a result of which the alignment rail 30 carries out a pivoting movement which is transmitted to the loading plate 16. Insofar as there are relative movements between the alignment rail 30 and the loading plate 16 in the transport direction 11, these are not hindered because between the alignment rail 30 and the loading plate 16 there is a positive connection only in the direction 19.
  • the linear drives 32, 33 can be set without force when the carriage 12 moves up and when it moves away, so that the loading plate 16 can be moved up and down from the alignment rail 30 without jamming.
  • the retraction is further facilitated in that the recess 30 has widening insertion surfaces 37 at its ends.

Landscapes

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

Abstract

The device has a transporter (10), which is moveable in a transportation direction (11) extending parallel to a pick-up axis. A loading platform (16) for the paper roll moves on the transporter in a horizontal plane, at right angles to that axis, and/or pivoted about a vertical axis (20). The unwinding device has an associated alignment unit (28). This is moved into engagement with the loading platform when it is in front of the unwinding device. The alignment unit has at least one drive to move the platform at right angles to the pivot axis and/or to pivot it about that axis.

Description

Die bei Papierverarbeitungsmaschinen, beispielsweise Wellpappemaschinen, üblichen Abrolleinrichtungen für Papierrollen sind als Abrollständer zur Aufnahme von zwei Papierrollen ausgebildet. Sie besitzen zwei Schwenkarmmechanismen, die spiegelsymmetrisch zueinander angeordnet sind und jeweils ein auf einer Schwenkwelle gelagertes Schwenkarmpaar aufweisen. Diese Schwenkarmpaare sind um ihre horizontale Schwenkwelle nach oben bzw. unten schwenkantreibbar, um von einer Transportvorrichtung eine Papierrolle aufnehmen zu können, die stark unterschiedliche Durchmesser, beispielsweise von 0,3 bis 1,5 m haben kann. Da die Schwenkarmpaare um eine Welle verschwenkt werden, ergeben sich bei unterschiedlichen Durchmessern der Papierrollen unterschiedliche horizontale Abstände zwischen der Achse der Rollen-Aufnahmevorrichtung der Schwenkarmpaare und der Papierrollen-Achse. Weiterhin liegt eine solche Papierrolle regelmäßig nicht achsparallel zur Achse der Papierrollen-Aufnahme.The unwinding devices for paper rolls that are customary in paper processing machines, for example corrugated cardboard machines, are designed as unwind stands for receiving two paper rolls. They have two swivel arm mechanisms which are arranged mirror-symmetrically to one another and each have a swivel arm pair mounted on a swivel shaft. These pairs of swivel arms can be driven to swivel up and down about their horizontal swivel shaft in order to be able to receive a paper roll from a transport device which can have widely differing diameters, for example from 0.3 to 1.5 m. Since the swivel arm pairs are swiveled about a shaft, different horizontal distances between the axis of the roll receiving device of the swivel arm pairs and the paper roll axis result with different diameters of the paper rolls. Furthermore, such a paper roll is usually not axially parallel to the axis of the paper roll holder.

Zur Lösung dieser Probleme ist es bereits bekannt geworden, einen mit den Schwenkarmmechanismen gekoppelten Anschlag vorzusehen, der beim Einschwenken der Schwenkarme in eine Position zur Aufnahme der Papierrolle einen Anschlag gegen die Papierrolle führt. Auf der gegenüberliegenden Seite ist ein Ausrichtantrieb vorgesehen, der an der Rolle angreift und diese gegen den Anschlag drückt. Ein Nachteil dieser bekannten Lösung liegt darin, daß der Ausrichtantrieb im mittleren Bereich der Papierrolle angreifen muß, da Papierrollen stark unterschiedlicher Länge eingesetzt werden. Dies führt insbesondere bei langen Rollen zu Ausrichtfehlern. Darüber hinaus besteht die Gefahr, daß aufgrund der notwendigerweise hohen Ausrichtkräfte mittels des Ausrichtantriebs das Papier beschädigt wird.To solve these problems, it has already become known to provide a stop coupled to the swivel arm mechanisms, which stops when the swivel arms are swiveled into a position for receiving the paper roll against the paper roll. On the opposite An alignment drive is provided on the side, which engages the roller and presses it against the stop. A disadvantage of this known solution is that the alignment drive must engage in the central area of the paper roll, since paper rolls of widely differing lengths are used. This leads to alignment errors, especially with long rolls. In addition, there is a risk that the paper will be damaged due to the necessarily high alignment forces by means of the alignment drive.

Der Erfindung liegt die Aufgabe zugrunde, eine Papierrollen-Transport- und Ausricht-Einrichtung der gattungsgemäßen Art so auszugestalten, daß eine zuverlässige Ausrichtung der Papierrolle vor der Papierverarbeitungs-Abrolleinrichtung möglich ist, ohne daß die Gefahr einer Beschädigung der Papierrolle besteht.The invention has for its object to provide a paper roll transport and alignment device of the generic type so that a reliable alignment of the paper roll in front of the paper processing unwinding device is possible without the risk of damage to the paper roll.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst. Das Wesen der Erfindung besteht darin, daß die ladeplatte der Transportvorrichtung vor der Abrolleinrichtung ausgerichtet wird, und zwar primär durch Verschieben der Ladeplatte in der Horizontalen quer zur Richtung der Achse der Aufnahmevorrichtung der Abrolleinrichtung. Hierdurch werden die sich durch unterschiedliche Durchmesser der Papierrollen ergebenden, eingangs geschilderten Horizontalabstände zwischen der Achse der Papierrolle und der Aufnahmeachse der Rollen-Aufnahmevorrichtung ausgeglichen. Sekundär werden auch noch durch Verschwenken der Ladeplatte um eine vertikale Schwenkachse Fluchtungsfehler zwischen der Achse der Papierrolle und der Achse der Aufnahmevorrichtung ausgeglichen, die durch Schieflagen der Papierrolle auf der Ladeplatte auftreten können.This object is achieved by the features of claim 1. The essence of the invention is that the loading plate of the transport device is aligned in front of the unrolling device, primarily by displacing the loading plate in the horizontal direction transversely to the direction of the axis of the receiving device of the unrolling device. As a result, the horizontal distances between the axis of the paper roll and the receiving axis of the roll receiving device resulting from different diameters of the paper rolls are compensated. Secondarily, by swiveling the loading plate about a vertical pivot axis, misalignments between the axis of the paper roll and the axis of the receiving device are compensated for, which can occur due to the inclination of the paper roll on the loading plate.

Zahlreiche weitere zum Teil erfinderische Ausgestaltungen ergeben sich aus den Unteransprüchen.Numerous further configurations, some of which are inventive, result from the subclaims.

Weitere Merkmale, Vorteile und Einzelheiten der Erfindung ergeben sich aus der Beschreibung eines Ausführungsbeispieles anhand der Zeichnung:
Es zeigt

Fig. 1
eine Seitenansicht einer Papierverarbeitungs-Abrolleinrichtung mit einer Papierrollen-Transport- und Ausricht-Einrichtung,
Fig. 2
eine Draufsicht auf die Papierrollen-Transport- und Ausricht-Einrichtung und
Fig. 3
einen Teilausschnitt aus Fig. 1 in vergrößertem Maßstab.
Further features, advantages and details of the invention result from the description of an embodiment with reference to the drawing:
It shows
Fig. 1
a side view of a paper processing unwinding device with a paper roll transport and alignment device,
Fig. 2
a plan view of the paper roll transport and alignment device and
Fig. 3
a partial section of Fig. 1 on an enlarged scale.

Eine gegenüber dem Boden 1 ortsfeste Papierverarbeitungs-Abrolleinrichtung weist ein Paar von Schwenkarmen 2 auf, die um eine horizontale Welle 3 schwenkantreibbar sind. Üblicherweise sind spiegelsymmetrisch zu einer strichpunktiert angedeuteten Symmetrieebene 4 zwei derartige Papierverarbeitungs-Abrolleinrichtungen vorgesehen. Die Schwenkarme 2 weisen an ihren freien Enden jeweils eine Aufnahmevorrichtung 5 auf, die in eine mittlere Rollenhülse einer Papierrolle 6 eingreifen können, um diese Rolle aufzunehmen und nach oben zu verschwenken. Die Aufnahmevorrichtungen 5 haben eine gemeinsame zur Welle 3 parallele Aufnahmeachse 7, die mit der Achse der Papierrolle 6 während und nach der Aufnahme zusammenfallen soll. Die Aufnahmeachse 7 ist auf einem voll ausgezogen dargestellten Kreisbogenabschnitt 8 um die Welle 3 verschwenkbar. In der Zeichnung ist die Stellung der Schwenkarme 2 für eine Papierrolle 6 größtmöglichen Durchmessers dargestellt. Eine Position der Aufnahmeachse 7 bei einem kleinstmöglichen Durchmesser der Papierrolle 6 ist mit 9 markiert. Die Welle 3 ist so angeordnet, daß sie sich in der vertikalen Mitte zwischen der Position 9 und der in der Zeichnung dargestellten höchsten Position der Aufnahmeachse 7 befindet. Bei einer Verschwenkung aus der dargestellten Position in die Position 9 wandert die Aufnahmeachse 7 in der Horizontalen um einen Weg a, der in der Praxis etwa 50 mm betragen kann.A paper processing unwinding device which is stationary with respect to the floor 1 has a pair of swivel arms 2 which can be pivotally driven about a horizontal shaft 3. Usually two such paper processing unrolling devices are provided mirror-symmetrically to a symmetry plane 4 indicated by dash-dotted lines. The swivel arms 2 each have a receiving device 5 at their free ends, which can engage in a central roll sleeve of a paper roll 6 in order to receive this roll and to pivot it upward. The receiving devices 5 have a common receiving axis 7 parallel to the shaft 3, which is intended to coincide with the axis of the paper roll 6 during and after the recording. The receiving axis 7 can be pivoted about the shaft 3 on a circular arc section 8 shown in solid lines. The drawing shows the position of the swivel arms 2 for a paper roll 6 of the largest possible diameter. A position of the receiving axis 7 with the smallest possible diameter of the paper roll 6 is marked with 9. The shaft 3 is arranged so that it is located in the vertical center between the position 9 and the highest position of the receiving axis 7 shown in the drawing. When pivoting from the position shown into position 9, the receiving axis 7 travels horizontally by a distance a, which in practice can be approximately 50 mm.

Die Papierrolle 6 wird auf einer Transportvorrichtung 10 transportiert, deren Transportrichtung 11 in der Horizontalen und parallel zur Aufnahmeachse 7 verläuft. Es handelt sich um einen sogenannten Unterflurförderer mit einem Wagen 12, dessen Räder 13 an einem Rahmen 14 gelagert sind und in U-förmigen Schienen 15 laufen, die im Boden 1 angeordnet sind. Auf dem Rahmen 14 ist eine Ladeplatte 16 angebracht, die unmittelbar über dem Boden 1 angeordnet ist. Die Ladeplatte 16 weist eine leicht nach unten durchgewölbte teilzylindrische Ladefläche 17 auf, deren Mantellinien parallel zur Aufnahmeachse 7 der Aufnahmevorrichtung 5 verlaufen. Von den Seitenrändern der Ladefläche 17 verlaufen Rampenflächen 18 abfallend zum Boden 1. In Richtung der Aufnahmeachse 7 seitlich gegenüber der Papierverarbeitungs-Abrolleinrichtung versetzt wird eine Papierrolle 6 auf die Ladeplatte 16 der Transportvorrichtung 10 aufgesetzt und letztere dann zusammen mit der Papierrolle 6 in Transportrichtung 11 zwischen die Schwenkarme 2 der Abrolleinrichtung verfahren, wo die Papierrolle 6 mit den Aufnahmevorrichtungen 5 ergriffen und mittels der Schwenkarme 2 hochgeschwenkt wird. Soweit die Papierverarbeitungs-Abrolleinrichtung und die Transportvorrichtung 10 bis hierher beschrieben sind, sind sie bekannt und in der Praxis allgemein üblich.The paper roll 6 is transported on a transport device 10, the transport direction 11 of which runs horizontally and parallel to the receiving axis 7. It is a so-called underfloor conveyor with a carriage 12, the wheels 13 of which are mounted on a frame 14 and run in U-shaped rails 15 which are arranged in the floor 1. On the frame 14, a loading plate 16 is attached, which is immediate is arranged above the floor 1. The loading plate 16 has a partially cylindrical, partially cylindrical loading surface 17, the surface lines of which run parallel to the receiving axis 7 of the receiving device 5. Ramp surfaces 18 slope downward from the side edges of the loading area 17 to the floor 1. In the direction of the receiving axis 7, offset laterally opposite the paper processing unwinding device, a paper roll 6 is placed on the loading plate 16 of the transport device 10 and the latter then together with the paper roll 6 in the transport direction 11 between move the swivel arms 2 of the unwinding device, where the paper roll 6 is gripped with the holding devices 5 and is swiveled up by means of the swivel arms 2. As far as the paper processing unwinding device and the transport device 10 have been described so far, they are known and generally common in practice.

Die Ladeplatte 16 ist auf dem Rahmen 14 des Wagens 12 in Richtung 19 quer zur Transportrichtung 11 und quer zur Richtung der Aufnahmeachse 7 in der Horizontalen verschiebbar. Weiterhin ist die Ladeplatte 16 noch um eine vertikale Schwenkachse 20 verschwenkbar. Um diese Funktionen zu ermöglichen, ist ein Langloch 21 in der Ladeplatte 16 ausgebildet, das parallel zur Richtung 19 verläuft. Es wird von einem die Schwenkachse 20 bildenden Bolzen 22 mit Kopf 23 durchsetzt. In der Ladeplatte 16 ist ein weiteres Langloch 24 ausgebildet, das ebenfalls von einem mit dem Wagen 12 verbundenen Bolzen 25 mit Kopf 26 durchsetzt wird. Während die Breite des Langloches 21 nur geringfügig größer ist als der Durchmesser des Bolzens 22, ist die Breite des Langloches 24 in Transportrichtung 11 deutlich größer als der Durchmesser des Bolzens 25, so daß die Ladeplatte 16 im Bereich dieses Langloches 24 auch in Transportrichtung 11 verschoben werden kann. Da sie gleichzeitig - bezogen auf die Transportrichtung 11 - im Langloch 21 gehalten ist, kann sie um den die Schwenkachse 20 bildenden Bolzen 22 verschwenkt werden, und zwar im Bereich des Langloches 24 um einen Betrag in Richtung der Transportrichtung 11, der in praxisgerechten Fällen etwa ± 50 mm ausmacht. Die Bolzen 22 und 25 sind am Rahmen 14 des Wagens 12 befestigt.The loading plate 16 is displaceable on the frame 14 of the carriage 12 in the direction 19 transversely to the transport direction 11 and transversely to the direction of the receiving axis 7. Furthermore, the loading plate 16 can still be pivoted about a vertical pivot axis 20. To enable these functions, an elongated hole 21 is formed in the loading plate 16, which runs parallel to the direction 19. It is penetrated by a pin 22 forming the pivot axis 20 with head 23. A further elongated hole 24 is formed in the loading plate 16 and is likewise penetrated by a bolt 25 with a head 26 connected to the carriage 12. While the width of the elongated hole 21 is only slightly larger than the diameter of the bolt 22, the width of the elongated hole 24 in the transport direction 11 is significantly larger than the diameter of the bolt 25, so that the loading plate 16 in the region of this elongated hole 24 is also displaced in the transport direction 11 can be. Since it is at the same time - in relation to the transport direction 11 - held in the elongated hole 21, it can be pivoted about the pin 22 forming the pivot axis 20, in the region of the elongated hole 24 by an amount in the direction of the transport direction 11, which in practical cases, for example Makes up ± 50 mm. The bolts 22 and 25 are attached to the frame 14 of the carriage 12.

Die Ladeplatte 16 ist auf dem Rahmen 14 des Wagens 12 mittels vier Rasteinrichtungen 27 durch Reibungskräfte in ihrer neutralen Ausgangslage gegenüber dem Wagen 12 gehalten, wodurch eine unbeabsichtigte Änderung der Position der Ladeplatte 16 zum Wagen 12 verhindert wird. Derartige Rasteinrichtungen 27 können aus federbelasteten Kugeln bestehen, die in entsprechende Ausnehmungen an der Unterseite der Ladeplatte 16 eingreifen und in diese hineingedrückt werden. Bei einer Verschiebung der Ladeplatte 16 werden sie gegen die Kraft der Feder und gegen zusätzliche Reibungskräfte aus dieser Ausnehmung in der Unterseite der Ladeplatte 16 herausgedrückt.The loading plate 16 is on the frame 14 of the carriage 12 by means of four locking devices 27 by frictional forces in their neutral starting position held against the carriage 12, thereby preventing an unintentional change in the position of the loading plate 16 to the carriage 12. Such locking devices 27 can consist of spring-loaded balls which engage in corresponding recesses on the underside of the loading plate 16 and are pressed into the latter. When the loading plate 16 is displaced, they are pressed out of this recess in the underside of the loading plate 16 against the force of the spring and against additional frictional forces.

Vor der Papierverarbeitungs-Abrolleinrichtung, und zwar unter und im wesentlichen zwischen den Schwenkarmen 2, ist auf dem Boden 1 eine Ausrichtvorrichtung 28 angebracht. Sie weist einen langgestreckten Ausrichtkörper 29 auf, an dem eine im wesentlichen in Transportrichtung 11 verlaufende Ausrichtschiene 30 angebracht ist. Diese kommt mit einer an der Unterseite der Ladeplatte 16 ausgebildeten nutartigen Ausnehmung 31 in Eingriff, wenn die Transportvorrichtung 10 vor die Abrolleinrichtung gefahren wird.In front of the paper processing unwinding device, namely below and essentially between the swivel arms 2, an alignment device 28 is attached to the floor 1. It has an elongated alignment body 29, to which an alignment rail 30, which extends essentially in the transport direction 11, is attached. This comes into engagement with a groove-like recess 31 formed on the underside of the loading plate 16 when the transport device 10 is moved in front of the unrolling device.

An den beiden äußeren, in Transportrichtung 11 beabstandeten Enden des Ausrichtkörpers 29 greifen an diesem zwei, beispielsweise elektromechanische Linear-Antriebe 32, 33 an, die einerseits mittels Gelenken 34 mit dem Ausrichtkörper 25 und andererseits mittels Gelenken 35 mit ortsfesten Widerlagern 36 verbunden sind, so daß die Linear-Antriebe 32, 33 in den Gelenken 34, 35 um vertikale Schwenkachsen verschwenkt werden können.At the two outer ends of the alignment body 29, which are spaced apart in the transport direction 11, two, for example electromechanical, linear drives 32, 33 act on the latter, which are connected on the one hand by means of joints 34 to the alignment body 25 and on the other hand by means of joints 35 to stationary abutments 36, so that the linear drives 32, 33 in the joints 34, 35 can be pivoted about vertical pivot axes.

Durch einen gleichmäßigen Antrieb der Linear-Antriebe 32, 33 wird die Ausrichtschiene 30 parallel zu sich selber in Richtung 19 verschoben, d.h. die formschlüssig mit ihr verbundene Ladeplatte 16 mit einer Papierrolle 6 wird in gleicher Weise verschoben.By evenly driving the linear drives 32, 33, the alignment rail 30 is displaced parallel to itself in the direction 19, i.e. the loading plate 16 positively connected to it with a paper roll 6 is moved in the same way.

Wenn die Ladeplatte 16 mit der Papierrolle 6 um die Schwenkachse 20 verschwenkt werden soll, werden die beiden Linear-Antriebe 32, 33 unterschiedlich angetrieben, wodurch die Ausrichtschiene 30 eine Schwenkbewegung ausführt, die auf die Ladeplatte 16 übertragen wird. Soweit hierbei Relativbewegungen zwischen der Ausrichtschiene 30 und der Ladeplatte 16 in Transportrichtung 11 auftreten, sind diese nicht behindert, weil zwischen der Ausrichtschiene 30 und der Ladeplatte 16 eine formschlüssige Verbindung nur in Richtung 19 besteht.If the loading plate 16 with the paper roll 6 is to be pivoted about the pivot axis 20, the two linear drives 32, 33 are driven differently, as a result of which the alignment rail 30 carries out a pivoting movement which is transmitted to the loading plate 16. Insofar as there are relative movements between the alignment rail 30 and the loading plate 16 in the transport direction 11, these are not hindered because between the alignment rail 30 and the loading plate 16 there is a positive connection only in the direction 19.

Die Linear-Antriebe 32, 33 können beim Auffahren des Wagens 12 und bei dessen Wegfahren kräftefrei gestellt werden, so daß ein verklemmungsfreies Auffahren bzw. Abfahren der Ladeplatte 16 von der Ausrichtschiene 30 möglich ist. Im übrigen wird das Einfahren noch dadurch erleichtert, daß die Ausnehmung 30 an ihren Enden sich erweiternde Einführflächen 37 aufweist.The linear drives 32, 33 can be set without force when the carriage 12 moves up and when it moves away, so that the loading plate 16 can be moved up and down from the alignment rail 30 without jamming. In addition, the retraction is further facilitated in that the recess 30 has widening insertion surfaces 37 at its ends.

Beim Aufsetzen einer Papierrolle 6 auf die Ladeplatte 16 befindet sich diese in ihrer erwähnten neutralen Stellung gegenüber dem Wagen 12, in der die vier Rasteinrichtungen 27 in die Unterseite der Ladeplatte 16 eingreifen. Beim Einfahren des Wagens 12 mit der Papierrolle 6 in die Position zwischen den Schwenkarmen 2 hat somit die Ladeplatte 16 immer eine exakt definierte Lage zur Ausrichtvorrichtung 28; ein problemfreies Einführen der Ausrichtschiene 30 in die Ausnehmung 31 ist also gewährleistet. Erst anschließend erfolgt das Ausrichten der Ladeplatte 16 mit der Papierrolle 6. Wenn die Papierrolle 6 von der Ladeplatte 16 abgehoben ist, wird durch entsprechenden Antrieb der Linear-Antriebe 32, 33 die Ladeplatte 16 wieder in ihre neutrale Stellung zurück verbracht, in der die Rasteinrichtungen 27 in die Ladeplatte 16 eingreifen. Erst dann wird der Wagen 12 wieder in die Beladestellung verbracht.When a paper roll 6 is placed on the loading plate 16, it is in its neutral position mentioned with respect to the carriage 12, in which the four latching devices 27 engage in the underside of the loading plate 16. When the carriage 12 is moved in with the paper roll 6 into the position between the swivel arms 2, the loading plate 16 thus always has a precisely defined position relative to the alignment device 28; problem-free insertion of the alignment rail 30 into the recess 31 is thus ensured. Only then is the loading plate 16 aligned with the paper roll 6. When the paper roll 6 is lifted off the loading plate 16, the loading plate 16 is brought back into its neutral position by the corresponding drive of the linear drives 32, 33, in which the latching devices 27 engage in the loading plate 16. Only then is the carriage 12 returned to the loading position.

Claims (9)

Papierrollen-Transport- und Ausricht-Einrichtung für eine Papierverarbeitungs-Abrolleinrichtung, mit folgenden Merkmalen: - Eine Transportvorrichtung (10), die in einer parallel zu einer Aufnahmeachse (7) verlaufenden Transportrichtung (11) verschiebbar ist, - eine auf der Transportvorrichtung (10) in einer Horizontalebene quer zur Aufnahmeachse (7) verschiebbar und/oder um eine vertikale Schwenkachse (20) verschwenkbar angebrachte Ladeplatte (16) zur Aufnahme der Papierrolle (6) und - eine der Abrolleinrichtung zugeordnete mit der Ladeplatte (16) in deren Stellung vor der Abrolleinrichtung in Eingriff bringbare Ausrichtvorrichtung (28) mit mindestens einem Antrieb zum Verschieben der Ladeplatte (16) quer zur Schwenkachse (20) und/oder zum Verschwenken der Ladeplatte (16) um die vertikale Schwenkachse (20). Paper roll transport and alignment device for a paper processing unwinding device, with the following features: - A transport device (10) which can be displaced in a transport direction (11) running parallel to a receiving axis (7), - One on the transport device (10) in a horizontal plane transversely to the receiving axis (7) and / or about a vertical pivot axis (20) pivotally mounted loading plate (16) for receiving the paper roll (6) and - An aligning device (28) associated with the unrolling device, which can be brought into engagement with the loading plate (16) in its position in front of the unrolling device, with at least one drive for displacing the loading plate (16) transversely to the pivot axis (20) and / or for pivoting the loading plate (16 ) around the vertical pivot axis (20). Einrichtung nach Anspruch 1, wobei die Ladeplatte (16) quer zur Aufnahmeachse (7) verschiebbar und um die Schwerkachse (20) verschwenkbar ist.Device according to claim 1, wherein the loading plate (16) is displaceable transversely to the receiving axis (7) and can be pivoted about the center of gravity (20). Einrichtung nach Anspruch 1 oder 2, wobei zwischen der Ladeplatte (16) und der Transportvorrichtung (10) eine quer zur Aufnahmeachse (7) verlaufende Langloch-Verbindung vorgesehen ist.Device according to claim 1 or 2, wherein between the loading plate (16) and the transport device (10) is provided an elongated hole connection transverse to the receiving axis (7). Einrichtung nach Anspruch 3, wobei die Langloch-Verbindung zwei von jeweils einem Bolzen (22, 25) durchsetzte Langlöcher (21, 24) aufweist, von denen eines eine Erstreckung in Transportrichtung (11) aufweist, die deutlich größer ist als der Durchmesser des Bolzens (25).Device according to claim 3, wherein the elongated hole connection has two elongated holes (21, 24), each of which is penetrated by a bolt (22, 25), one of which has an extension in the transport direction (11) which is significantly larger than the diameter of the bolt (25). Einrichtung nach einem der Ansprüche 1 bis 4, wobei eine neutrale Position zwischen Ladeplatte (16) und Wagen (12) sicherstellende Rasteinrichtungen (27) vorgesehen sind.Device according to one of claims 1 to 4, wherein a neutral position between the loading plate (16) and carriage (12) ensuring locking devices (27) are provided. Einrichtung nach einem der Ansprüche 1 bis 5, wobei die Ausrichtvorrichtung (28) einen mit der Ladeplatte (16) in formschlüssigen Eingriff bringbaren Ausrichtkörper (29) aufweist, der mittels zweier in Transport-richtung (11) voneinander beabstandeter Linear-Antriebe (32, 33) in einer Horizontalebene quer zur Aufnahmeachse (7) verschiebbar und/oder verschwenkbar ist.Device according to one of claims 1 to 5, wherein the alignment device (28) has an alignment body (29) which can be brought into positive engagement with the loading plate (16) and which can be moved in the transport direction by means of two (11) spaced-apart linear drives (32, 33) can be displaced and / or pivoted in a horizontal plane transversely to the receiving axis (7). Einrichtung nach Anspruch 6, wobei der Ausrichtkörper (29) mit mindestens einem Vorsprung (Ausrichtschiene 30) versehen ist, der in eine Ausnehmung (31) an der Ladeplatte (16) eingreift.Device according to claim 6, wherein the alignment body (29) is provided with at least one projection (alignment rail 30) which engages in a recess (31) on the loading plate (16). Einrichtung nach Anspruch 7, wobei die Ausnehmung (31) als durchgehende, sich in Transportrichtung (11) erstreckende nutartige Ausnehmung (31) an der Unterseite der Ladeplatte (16) ausgebildet ist.Device according to claim 7, wherein the recess (31) is designed as a continuous groove-like recess (31) in the transport direction (11) on the underside of the loading plate (16). Einrichtung nach Anspruch 7 oder 8, wobei der Vorsprung als vom Ausrichtkörper (29) nach oben ragende Ausrichtschiene (30) ausgebildet ist.Device according to claim 7 or 8, wherein the projection is designed as an alignment rail (30) projecting upward from the alignment body (29).
EP95113663A 1994-09-09 1995-08-31 Device for transporting and aligning paper rolls for a paper processing and unwinding device Expired - Lifetime EP0700854B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9414677U 1994-09-09
DE9414677U DE9414677U1 (en) 1994-09-09 1994-09-09 Paper roll transport and alignment device for a paper processing unwinding device

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EP0700854A2 true EP0700854A2 (en) 1996-03-13
EP0700854A3 EP0700854A3 (en) 1997-02-12
EP0700854B1 EP0700854B1 (en) 1999-04-28

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EP (1) EP0700854B1 (en)
DE (2) DE9414677U1 (en)

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DE19824695A1 (en) * 1998-06-03 1999-12-09 Bhs Corr Masch & Anlagenbau Paper roll holder for manufacture of corrugated paper allows holder lever
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EP0950625A2 (en) * 1998-04-14 1999-10-20 Friedel-Edmund Welte Haulage car for paper rolls and paper roll transporting system for such a car
EP0950625A3 (en) * 1998-04-14 2000-08-09 Friedel-Edmund Welte Haulage car for paper rolls and paper roll transporting system for such a car
DE19824695A1 (en) * 1998-06-03 1999-12-09 Bhs Corr Masch & Anlagenbau Paper roll holder for manufacture of corrugated paper allows holder lever
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Also Published As

Publication number Publication date
DE9414677U1 (en) 1994-12-15
DE59505757D1 (en) 1999-06-02
EP0700854B1 (en) 1999-04-28
EP0700854A3 (en) 1997-02-12
US5755395A (en) 1998-05-26

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