EP0054973A1 - Device for producing rolls of flexible sheets wound in staggered overlapping formation - Google Patents

Device for producing rolls of flexible sheets wound in staggered overlapping formation Download PDF

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Publication number
EP0054973A1
EP0054973A1 EP81110742A EP81110742A EP0054973A1 EP 0054973 A1 EP0054973 A1 EP 0054973A1 EP 81110742 A EP81110742 A EP 81110742A EP 81110742 A EP81110742 A EP 81110742A EP 0054973 A1 EP0054973 A1 EP 0054973A1
Authority
EP
European Patent Office
Prior art keywords
roll
belt
reel hub
conveyor
shingled
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
EP81110742A
Other languages
German (de)
French (fr)
Other versions
EP0054973B1 (en
Inventor
Richard Feldkämper
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0054973A1 publication Critical patent/EP0054973A1/en
Application granted granted Critical
Publication of EP0054973B1 publication Critical patent/EP0054973B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/28—Feeding articles stored in rolled or folded bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/006—Winding articles into rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/24—Feeding articles in overlapping streams, i.e. by separation of articles from a pile
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/942—Delivering singly or in succession by winding up
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/96—Delivering singly or in succession in an overlapping arrangement
    • 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
    • B65H2301/419—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means
    • B65H2301/4192—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation
    • B65H2301/41922—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation and wound together with single belt like members
    • 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
    • B65H2301/419—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means
    • B65H2301/4192—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation
    • B65H2301/41922—Winding, unwinding from or to storage, i.e. the storage integrating winding or unwinding means for handling articles of limited length in shingled formation and wound together with single belt like members
    • B65H2301/419225—Several belts spaced in axis direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/191—Bags, sachets and pouches or the like

Definitions

  • the invention relates to a device for producing scale tape rolls from flaky, flexible objects placed on top of one another on a conveyor belt, such as sacks or bag workpieces, with a winding core mounted in the machine frame, on which at least one holding belt pulled off a supply roll, which is removed when the scale tape is wound up holding up above it, fastened, with a belt conveyor feeding the workpieces, which consists of a frame carrying rollers at least at opposite ends, which can be pivoted about the axis of the first roller and over the rollers thereof Driven endless conveyor belt runs, with a device for positioning the frame against the winding core or the scale belt roll forming on it to drive it by reading an endless conveyor belt and with a conveyor device which feeds the overlapping objects to the belt conveyor.
  • the object of the invention is therefore to improve the device specified at the outset in such a way that the replacement of the respectively wound scale tape roll with a winding core can be accomplished simply and quickly, essentially without interrupting operation.
  • this object is achieved in that two swivel arms are mounted so as to be longitudinally displaceable on an axis arranged transversely to the belt conveyor, each of which carries a pin receiving a winding core at its ends.
  • the swivel arms can be moved back and forth easily and quickly in such a way that one pin is in the winding position while the other is outside the belt conveyor, so that the finished wound scale roll can be removed and a new winding core can be put on.
  • the device according to the invention can therefore significantly increase the degree of utilization of the machines and thus improve their performance.
  • the exchange of the finished wound scale roll for a new winding core is very simplified in that it can be carried out in addition to the conveyor belt driving the scale roll during its winding.
  • a particular problem with the removal of the fully wound scale tape roll is the temporary fixing of the holding tapes until the separation of their supply rolls and the fastening of their ends to the finished wound scale tape roll itself.
  • the swivel arms are attached to a radial support which carries clamping jaws which can be lowered on the circumference of the respective scale belt roll in the region of its holding bands and can be pressed on to fix them.
  • clamping jaws are actuated when the holding tapes have been wrapped once or twice around the scale tape roll after the scale tape roll has been finished. They are released again for the purpose of replacing the scale tape roll when the retaining tapes are separated from their supply rolls and knotted with themselves on the scale tape roll or fastened in some other way.
  • the flat workpieces or sacks to be wound are fed in a scale formation on a conveyor belt to the winding device in the manner shown in FIG. 1. Since the scale spacing of the incoming workpieces may differ, a device for equalizing .les scale spacing is provided so that a uniformly wound scale tape roll can be formed. This device has a pressure roller 25. Ite on the opposite S 2, that is, below the scale, a sensor 26 is arranged which scans the workpiece ends, whose pulses are passed to an electric intermediate circuit 27th
  • the scale After being scanned by the sensor 26, the scale is thrown onto an endless conveyor belt 28 which is formed from individual belts and runs over the rollers 29 to 34 which are rotatably mounted in a pivotable frame 35.
  • the drive roller 36 is also attached to the frame 35, via which the strands are returned to the rollers 29.
  • the frame 35 is pivotally mounted about the axis of the rollers 31 and is supported, for example, under the supply roller 37 to be wound by pneumatic cylinders 38, which have the task of tracking the frame 35 of the supply roller 37 in order to avoid out-of-roundness of the supply roller 37 which occurs during winding can compensate.
  • a supply shaft 39 is provided on floor-mounted storage, from which retaining straps 40 are pulled, which are wound up in layers in a known manner with the workpieces on the supply roll 37.
  • the axis of the drive roller 36 is equipped with a rotary pulse generator 41, the pulses of which are input to a counter 42.
  • the counter 42 and the drive motor, not shown, of the drive roller 36 are electrically connected to the intermediate circuit 27.
  • the counter 42 can be set to a predetermined number and is switched so that the Drive motor is stopped after reaching this number.
  • the predetermined number is chosen somewhat larger than the intended scale band.
  • the sensor 42 is reset to zero when a workpiece end passes by the sensor 26. If there is no workpiece, so that the counter 42 reaches the predetermined number, the conveyor belt 28 is stopped and it only starts to run again after the next workpiece has run through. Therefore, approximately the same scale distance is achieved on the conveyor belt 28.
  • the core 45 of the supply roll 37 is held by a pin 46 which is fastened in the free end of a lever 47.
  • the other end of the lever 47 is rotatably mounted on a bush 48 together with a second lever arm 49.
  • the lever arm 49 carries a pin 50 corresponding to the pin 46 at its free end, but which extends in the opposite direction.
  • Pressure medium cylinders 51, 52 are articulated to the lever arms 47 and 49, with which they or the supply roll 37 can be lowered onto the conveyor belt 28 and raised from there.
  • the bushing 48 is smoothly and longitudinally displaceably mounted on an axis 53 which is fastened in a stand 54 arranged on both sides next to the conveyor belt 28.
  • a guide part 55 is connected to the bushing 48 by a web 56.
  • a roller 57 is loosely rotatably mounted on the guide part 55 and runs in a U-iron 58 which connects the two stands 54.
  • the free ends of the pressure medium cylinders 51, 52 are articulated on the guide part 56.
  • the bushing 48 can now be moved with the levers 47, 49, so that the pin 46 is above the conveyor belt 28 and the pin 50 is outside the winding area. While a new supply roll 37 is being wound on the pin 46, can the finished supply roll is removed from the pin 50 and a new core 45 is prepared.
  • the pressure medium cylinders 51, 52 connecting the levers 47, 49 to the sled-shaped guide part 55 are hydraulic piston-cylinder units, while the conveyor belts running over the frame-shaped frame 35 pass through a pneumatic cylinder 38 to the winding core or the forming scale roll 37 can be pressed.
  • the pneumatic cylinder 38 has a stroke of approximately 100 mm and is held in its central position by the fact that the hydraulic cylinders 51, 52 raise the levers 47, 49 in accordance with the winding progress.
  • the hydraulic cylinders 51, 52 can be actuated in that the pneumatic cylinder is provided with a limit switch.
  • the pneumatic cylinder 38 has good resilient properties, so that it is able to compensate for out-of-roundness of the scale roller 37 that is being formed.
  • the retaining straps 40 are wound around the roller 37 for about two more turns.
  • the press device 60 is then switched on and this holds the belts 40 in place when the roll is lifted off the press belts or the scale belt 33, 28.
  • the wristbands are only fixed manually when the empty roll is in the take-up station.
  • the pressing device 60 is mounted on an arm 61 which is firmly connected to the lever 47.
  • a cross member 62 is fastened to the arm 61 and a pressure cylinder 63 is articulated on its free end is.
  • the piston rod of the pressure cylinder 63 is articulated on a lever 64.
  • One end of the lever 64 is articulated to a bracket 65.
  • a cross member 66 is articulated in a rocker-like manner, to which pressure pieces 67 are articulated, which can press onto the holding straps 50 wound around the supply roll 37 when the pressure cylinder 63 is actuated.
  • the bracket 65 encompasses half of the arm 61. At the same height on the arm 61 there is a second bracket 68 which is symmetrical to the bracket 65 and which is connected to the bracket 65 by screws 69 and clamped together with it on the arm 61.
  • a correspondingly designed second pressing device 60 is arranged on the arm 49. However, this is not shown in FIG. 2.

Abstract

1. Apparatus for making rolls of shingled strip (37) of flat flexible articles, such as sacks or sack workpieces, which are deposited in a shingled arrangement on a belt conveyor (28), comprising a reel hub (45), which is mounted in the machine frame (54), and to which at least one retaining strip (40) is secured, which is withdrawn from a supply roll (39) and during the winding of the shingled strip is held under tension against the shingled strip to retain the same, a belt conveyor for supplying the workpieces, which consists of a frame, which carries rollers (32, 33) at least at opposite ends and is pivoted on the axis of the first roller (32), and a driven endless conveyor belt (28) trained around the rollers of said frame, also comprising a device (38) for moving the frame into engagement with the reel hub (45) or with the roll of shingled strip (37) being formed on said reel hub so that the reel hub roll is driven by the endless conveyor belt (28), and a conveyor for delivering the shingled articles to the belt conveyor, characterized in that two pivoted arms (47, 49) arranged with mirror symmetry are longitudinally slidable mounted on an axle (53), which is transverse to the belt conveyor (28), each of said pivoted arms carries at its end an outwardly directed pin (46, 50) for receiving a reel hub (45), and the pins (46, 50) are used in alternation for receiving the reel hub (45) for the roll (37) to be wound at a time, which reel hub is aligned with the belt conveyor (28), and for a replacement of the completely wound roll of shingled strip (37) by a new reel hub (35).

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen von Schuppenbandrollen aus geschuppt übereinander auf ein Förderband abgelegten flachen, flexiblen Gegenständen, wie Säcken oder Sackwerkstücken, mit einem im Maschinengestell gelagerten Wickelkern, auf dem mindestens ein von einer Vorratsrolle abgezogenes Halteband, das sich beim Aufwickeln des Schuppenbandes von oben her haltend über diese spannt, befestigt ist, mit einem die Werkstücke zuführenden Bandförderer, der aus einem mindestens an entgegengesetzten Enden Rollen tragenden Rahmen besteht, der um die Achse der ersten Rolle schwenkbar ist und über dessen Rollen ein angetriebenes endloses Förderband läuft, mit einer'Einrichtung zum Anstellen des Rahmens an den Wickelkern bzw. die sich auf 3iesem bildende Schuppenbandrolle zu deren Antrieb durch lessen endloses Förderband und mit einer die geschuppt überinander liegenden Gegenstände dem Bandförderer zuführenden ördereinrichtung.The invention relates to a device for producing scale tape rolls from flaky, flexible objects placed on top of one another on a conveyor belt, such as sacks or bag workpieces, with a winding core mounted in the machine frame, on which at least one holding belt pulled off a supply roll, which is removed when the scale tape is wound up holding up above it, fastened, with a belt conveyor feeding the workpieces, which consists of a frame carrying rollers at least at opposite ends, which can be pivoted about the axis of the first roller and over the rollers thereof Driven endless conveyor belt runs, with a device for positioning the frame against the winding core or the scale belt roll forming on it to drive it by reading an endless conveyor belt and with a conveyor device which feeds the overlapping objects to the belt conveyor.

3ei einer aus der DE-OS 25 44 135 bekannten Vorrichtung dieser Art kommt es durch das Auswechseln der fertig gewickelten Schuppenbandrolle gegen einen neuen Wickelkern zu Betriebsunterbrechungen, die die Leistung der Anlage vermindern.In a device of this type known from DE-OS 25 44 135, the replacement of the finished wound scale tape roll with a new winding core leads to interruptions in operation which reduce the performance of the system.

Aufgabe der Erfindung ist es daher, die eingangs angegebene Vorrichtung derart zu verbessern, daß sich der Austausch der jeweils fertig gewickelten Schuppenbandrolle gegen einen Wickelkern im wesentlichen ohne Betriebsunterbrechung einfach und schnell bewerkstelligen läßt.The object of the invention is therefore to improve the device specified at the outset in such a way that the replacement of the respectively wound scale tape roll with a winding core can be accomplished simply and quickly, essentially without interrupting operation.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß auf einer quer zu dem Bandförderer angeordneten Achse zwei Schwenkarme längsverschieblich gelagert sind, die an ihren Enden-je einen Wickelkern aufnehmenden Zapfen tragen. Die Schwenkarme lassen sich einfach und schnell in der Weise hin-und herschieben, daß sich jeweils ein Zapfen in der Wickelposition befindet, während der andere außerhalb des Bandförderers liegt, so daß die fertig gewickelte Schuppenbandrolle abgenommen und ein neuer Wickelkern aufgesetzt werden kann. Durch die erfindungsgemäße Vorrichtung läßt sich daher der Ausnutzungsgrad der Maschinen wesentlich erhöhen und damit deren Leistung verbessern. Weiterhin ist der Austausch der fertig gewickelten Schuppenbandrolle gegen einen neuen Wickelkern dadurch sehr vereinfacht, daß dieser neben dem die Schuppenbandrolle während ihres Wickelns antreibenden Förderband erfolgen kann.According to the invention, this object is achieved in that two swivel arms are mounted so as to be longitudinally displaceable on an axis arranged transversely to the belt conveyor, each of which carries a pin receiving a winding core at its ends. The swivel arms can be moved back and forth easily and quickly in such a way that one pin is in the winding position while the other is outside the belt conveyor, so that the finished wound scale roll can be removed and a new winding core can be put on. The device according to the invention can therefore significantly increase the degree of utilization of the machines and thus improve their performance. Furthermore, the exchange of the finished wound scale roll for a new winding core is very simplified in that it can be carried out in addition to the conveyor belt driving the scale roll during its winding.

Ein besonderes Problem bei der Entnahme der fertiggewickelten Schuppenbandrolle ist das vorübergehende Fixieren der Haltebänder bis zu dem Trennen von deren Vorratsrollen und dem Befestigen von deren Enden auf der fertiggewickelten Schuppenbandrolle selbst. In weiterer Ausgestaltung der Erfindung ist daher vorgesehen, daß im Bereich des Wickelkerns auf jedem der Schwenkarme ein radialer Träger befestigt ist, der auf den Umfang der jeweiligen Schuppenbandrolle im Bereich von dessen Haltebändern absenkbare und zu deren Fixieren andrückbare Klemmbacken trägt. Diese Klemmbacken werden betätigt, wenn nach dem Fertigwickeln der Schuppenbandrolle die Haltebänder noch ein- oder zweimal um die Schuppenbandrolle herumgewickelt worden sind. Sie werden zum Zwecke des Austausches der Schuppenbandrolle wieder gelüftet, wenn die Haltebänder von ihren Vorratsrollen abgetrennt und mit sich selbst auf der Schuppenbandrolle verknotet oder in sonstiger Weise befestigt sind.A particular problem with the removal of the fully wound scale tape roll is the temporary fixing of the holding tapes until the separation of their supply rolls and the fastening of their ends to the finished wound scale tape roll itself. In a further embodiment of the invention it is therefore provided that in the area of the winding core on everyone the swivel arms are attached to a radial support which carries clamping jaws which can be lowered on the circumference of the respective scale belt roll in the region of its holding bands and can be pressed on to fix them. These clamping jaws are actuated when the holding tapes have been wrapped once or twice around the scale tape roll after the scale tape roll has been finished. They are released again for the purpose of replacing the scale tape roll when the retaining tapes are separated from their supply rolls and knotted with themselves on the scale tape roll or fastened in some other way.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteran- sprüchen beschrieben worden.Further advantageous embodiments of the invention have been described sayings nteran- in the U.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnung näher erläutert. In dieser zeigt

  • Fig. 1 eine Seitenansicht der Wickelvorrichtung in schematischer Darstellung,
  • Fig. 2 eine Draufsicht auf die Wickelvorrichtung nach Fig. 1 und
  • Fig. 3 eine Draufsicht auf die Einrichtung zum Andrücken der Haltebänder auf die fertig gewickelte Schuppenbandrolle.
An embodiment of the invention is explained below with reference to the drawing. In this shows
  • 1 is a side view of the winding device in a schematic representation,
  • Fig. 2 is a plan view of the winding device according to Fig. 1 and
  • Fig. 3 is a plan view of the device for pressing the straps onto the finished wound scale tape roll.

Die aufzuwickelnden flachen Werkstücke oder Säcke werden in der aus Fig. 1 ersichtlichen Weise in Schuppenformation auf einem Förderband der Wickelvorrichtung zugeführt. Da der Schuppenabstand der ankommenden Werkstücke unter Umständen unterschiedlich ist, ist eine Einrichtung zur Vergleichmäßigung .les Schuppenabstandes vorgesehen, damit eine gleichmäßig gewickelte Schuppenbandrolle gebildet werden kann. Diese Einrichtung weist eine Andrückrolle 25 auf. Auf der gegenüberliegenden S2ite, also unterhalb der Schuppe, ist ein Fühler 26 angeordnet, der die Werkstückenden abtastet, dessen Impulse an eine elektrische Zwischenschaltung 27 weitergegeben werden.The flat workpieces or sacks to be wound are fed in a scale formation on a conveyor belt to the winding device in the manner shown in FIG. 1. Since the scale spacing of the incoming workpieces may differ, a device for equalizing .les scale spacing is provided so that a uniformly wound scale tape roll can be formed. This device has a pressure roller 25. Ite on the opposite S 2, that is, below the scale, a sensor 26 is arranged which scans the workpiece ends, whose pulses are passed to an electric intermediate circuit 27th

Die Schuppe wird nach der Abtastung durch den Fühler 26 auf ein endloses, aus einzelnen Gurten gebildetes Förderband 28 abgeworfen, das über die Rollen 29 bis 34 läuft, die in einem schwenkbaren Gestell 35 drehbar gelagert sind. Am Gestell 35 ist auch die Antriebswalze 36 befestigt, über das die Trume zu den Rollen 29 zurückgeführt werden. Das Gestell 35 ist um die Achse der Rollen 31 schwenkbar gelagert und wird etwa unter der zu wickelnden Vorratsrolle 37 durch Pneumatikzylinder 38 abgestützt, die die Aufgabe haben, das Gestell 35 der Vorratsrolle 37 nachzuführen, um Unrundheiten der Vorratsrolle 37, die während des Wickelns auftreten können, auszugleichen. Außerdem ist eine Vorratswelle 39 auf flurfester Lagerung vorgesehen, von der Haltebänder 40 abgezogen werden, die in bekannter Weise in Lagen mit den Werkstücken auf der Vorratsrolle 37 aufgewickelt werden.After being scanned by the sensor 26, the scale is thrown onto an endless conveyor belt 28 which is formed from individual belts and runs over the rollers 29 to 34 which are rotatably mounted in a pivotable frame 35. The drive roller 36 is also attached to the frame 35, via which the strands are returned to the rollers 29. The frame 35 is pivotally mounted about the axis of the rollers 31 and is supported, for example, under the supply roller 37 to be wound by pneumatic cylinders 38, which have the task of tracking the frame 35 of the supply roller 37 in order to avoid out-of-roundness of the supply roller 37 which occurs during winding can compensate. In addition, a supply shaft 39 is provided on floor-mounted storage, from which retaining straps 40 are pulled, which are wound up in layers in a known manner with the workpieces on the supply roll 37.

Die Achse der Antriebswalze 36 ist mit einem Drehimpulsgeber 41 ausgestattet, dessen Impulse auf einen Zähler 42 eingegeben werden. Der Zähler 42 und der nicht dargestellte Antriebsmotor der Antriebswalze 36 sind mit der Zwischenschaltung 27 elektrisch verbunden. Der Zähler 42 kann auf eine vorbestimmte Zahl eingestellt werden und ist so geschaltet, daß der Antriebsmotor nach Erreichen dieser Zahl stillgesetzt wird. Die vorbestimmte Zahl wird etwas größer gewählt als dem beabsichtigten Schuppenband entspricht. Durch den Fühler 26 wird beim Vorbeigang eines Werkstückendes der Zähler 42 auf Null zurückgestellt. Bleibt also ein Werkstück aus, so daß der Zähler 42 die vorbestimmte Zahl erreicht, wird das Förderband 28 stillgesetzt und es beginnt erst dann wieder nach Durchlauf des nächsten Werkstücks anzulaufen. Daher wird auf dem Förderband 28 annähernd gleicher Schuppenabstand erzielt.The axis of the drive roller 36 is equipped with a rotary pulse generator 41, the pulses of which are input to a counter 42. The counter 42 and the drive motor, not shown, of the drive roller 36 are electrically connected to the intermediate circuit 27. The counter 42 can be set to a predetermined number and is switched so that the Drive motor is stopped after reaching this number. The predetermined number is chosen somewhat larger than the intended scale band. The sensor 42 is reset to zero when a workpiece end passes by the sensor 26. If there is no workpiece, so that the counter 42 reaches the predetermined number, the conveyor belt 28 is stopped and it only starts to run again after the next workpiece has run through. Therefore, approximately the same scale distance is achieved on the conveyor belt 28.

Der Kern 45 der Vorratsrolle 37 wird durch einen Zapfen 46 gehalten, der im freien Ende eines Hebels 47 befestigt ist. Das andere Ende des Hebels 47 ist auf einer Buchse 48 zusammen mit einem zweiten Hebelarm 49 drehbar gelagert. Der Hebelarm 49 trägt einen dem Zapfen 46 entsprechenden Zapfen 50 an seinem freien Ende, der jedoch sich in entgegengesetzter Richtung erstreckt. An die Hebelarme 47 und 49 sind Druckmittelzylinder 51, 52 angelenkt, mit denen sie bzw. die Vorratsrolle 37 auf das Förderband 28 abgesenkt und von dort angehoben werden können.The core 45 of the supply roll 37 is held by a pin 46 which is fastened in the free end of a lever 47. The other end of the lever 47 is rotatably mounted on a bush 48 together with a second lever arm 49. The lever arm 49 carries a pin 50 corresponding to the pin 46 at its free end, but which extends in the opposite direction. Pressure medium cylinders 51, 52 are articulated to the lever arms 47 and 49, with which they or the supply roll 37 can be lowered onto the conveyor belt 28 and raised from there.

Die Buchse 48 ist leichtgängig längsverschieblich auf einer Achse 53 gelagert, die in einem beidseitig neben dem Förderband 28 angeordneten Ständer 54 befestigt ist. Mit der Buchse 48 ist ein Führungsteil 55 durch einen Steg 56 verbunden. Auf dem Führungsteil 55 ist lose drehbar eine Rolle 57 angebracht, die in einem U-Eisen 58 läuft, das die beiden Ständer 54 verbindet. Die freien Enden der Druckmittelzylinder 51, 52 sind am Führungsteil 56 angelenkt. Die Buchse 48 kann nun mit den Hebeln 47, 49 verschoben werden, so daß einmal der Zapfen 46 sich über dem Förderband 28 und der Zapfen 50 sich außerhalb des Aufwickelbereiches befindet. Während auf dem Zapfen 46 eine neue Vorratsrolle 37 aufgewickelt wird, kann die fertige Vorratsrolle vom Zapfen 50 abgenommen und ein neuer Kern 45 vorbereitet werden. Nach dem Fertigstellen der Vorratsrolle 37 auf dem Zapfen 46 wird diese mittels des Druckmittelzylinders 51 von dem Förderband 28 abgehoben und iie Buchse 48 in ihre andere Extremstellung verschoben sowie die Vorratsrolle 37 auf dem Hallenboden abgesenkt und vom Zapfen 46 abgezogen.The bushing 48 is smoothly and longitudinally displaceably mounted on an axis 53 which is fastened in a stand 54 arranged on both sides next to the conveyor belt 28. A guide part 55 is connected to the bushing 48 by a web 56. A roller 57 is loosely rotatably mounted on the guide part 55 and runs in a U-iron 58 which connects the two stands 54. The free ends of the pressure medium cylinders 51, 52 are articulated on the guide part 56. The bushing 48 can now be moved with the levers 47, 49, so that the pin 46 is above the conveyor belt 28 and the pin 50 is outside the winding area. While a new supply roll 37 is being wound on the pin 46, can the finished supply roll is removed from the pin 50 and a new core 45 is prepared. After completion of the supply roll 37 on the pin 46, it is lifted off the conveyor belt 28 by means of the pressure medium cylinder 51 and iie bushing 48 is moved into its other extreme position, and the supply roll 37 is lowered on the hall floor and pulled off the pin 46.

Bei den die Hebel 47, 49 mit dem schlittenförmigen Führungsteil 55 verbindenden Druckmittelzylindern 51, 52 handelt es sich um hydraulische Kolben-Zylinder-Einheiten, während die über das rahmenförmige Gestell 35 laufenden Förderbänder durch einen Pneumatikzylinder 38 an den Wickelkern bzw. die sich bildende Schuppenbandrolle 37 angedrückt werden. Der Pneumatikzylinder 38 hat etwa einen Hub von 100 mm und wird dadurch in seiner Mittellage gehalten, daß die Hydraulikzylinder 51, 52 die Hebel 47, 49 entsprechend dem Wickelfortschritt anheben. Die Hydraulikzylinder 51, 52 können dadurch betätigt werden, daß der Pneumatikzylinder mit einem Endschalter versehen ist. Der Pneumatikzylinder 38 hat gute federnde Eigenschaften, so daß er Unrundheiten der sich bildenden Schuppenbandrolle 37 auszugleichen vermag.The pressure medium cylinders 51, 52 connecting the levers 47, 49 to the sled-shaped guide part 55 are hydraulic piston-cylinder units, while the conveyor belts running over the frame-shaped frame 35 pass through a pneumatic cylinder 38 to the winding core or the forming scale roll 37 can be pressed. The pneumatic cylinder 38 has a stroke of approximately 100 mm and is held in its central position by the fact that the hydraulic cylinders 51, 52 raise the levers 47, 49 in accordance with the winding progress. The hydraulic cylinders 51, 52 can be actuated in that the pneumatic cylinder is provided with a limit switch. The pneumatic cylinder 38 has good resilient properties, so that it is able to compensate for out-of-roundness of the scale roller 37 that is being formed.

Nachdem die Rolle 37 ihren vorgesehenen Durchmesser erreicht hat, werden die Haltebänder 40 noch ca. zwei weitere Umdrehungen um die Rolle 37 gewickelt. Danach wird die Preßeinrichtung 60 eingeschaltet und diese hält die Bänder 40 fest, wenn die Rolle von den Preßbändern bzw. dem Schuppenband 33, 28 abgehoben wird. Die manuelle Fixierung der Bändchen erfolgt erst, wenn die leere Rolle in der Aufnahmestation liegt.After the roller 37 has reached its intended diameter, the retaining straps 40 are wound around the roller 37 for about two more turns. The press device 60 is then switched on and this holds the belts 40 in place when the roll is lifted off the press belts or the scale belt 33, 28. The wristbands are only fixed manually when the empty roll is in the take-up station.

Die Preßeinrichtung 60 ist auf einem Arm 61 montiert, der mit dem Hebel 47 fest verbunden ist. Am Arm 61 ist ein Querträger 62 befestigt, an dessen freiem Ende ein Druckzylinder 63 angelenkt ist. Die Kolbenstange des Druckzylinders 63 ist an einem Hebel 64 angelenkt. Ein Ende des Hebels 64 ist mit einem Bock 65 gelenkig verbunden. Mit dem anderen Ende des Hebels 64 ist eine Traverse 66 wippenartig gelenkig verbunden, an der Druckstücke 67 angelenkt sind, die auf die um die Vorratsrolle 37 herumgewickelten Haltebänder 50 bei Betätigen des Druckzylinders 63 drücken können.The pressing device 60 is mounted on an arm 61 which is firmly connected to the lever 47. A cross member 62 is fastened to the arm 61 and a pressure cylinder 63 is articulated on its free end is. The piston rod of the pressure cylinder 63 is articulated on a lever 64. One end of the lever 64 is articulated to a bracket 65. With the other end of the lever 64, a cross member 66 is articulated in a rocker-like manner, to which pressure pieces 67 are articulated, which can press onto the holding straps 50 wound around the supply roll 37 when the pressure cylinder 63 is actuated.

Der Bock 65 umfaßt hälftig den Arm 61. Auf gleicher Höhe am Arm 61 sitzt ein zweiter, symmetrisch zum Bock 65 ausgebildeter Bock 68, der mit dem Bock 65 durch Schrauben 69 verbunden und zusammen mit ihm auf den Arm 61 aufgeklemmt ist.The bracket 65 encompasses half of the arm 61. At the same height on the arm 61 there is a second bracket 68 which is symmetrical to the bracket 65 and which is connected to the bracket 65 by screws 69 and clamped together with it on the arm 61.

Eine entsprechend ausgebildete zweite Preßeinrichtung 60 ist auf dem Arm 49 angeordnet. Diese ist jedoch in Fig. 2 nicht dargestellt.A correspondingly designed second pressing device 60 is arranged on the arm 49. However, this is not shown in FIG. 2.

Claims (10)

1. Vorrichtung zum Herstellen von Schuppenbandrollen aus geschuppt übereinander auf ein Förderband abgelegten flachen, flexiblen Gegenständen, wie Säcken oder Sackwerkstücken, mit einem im Maschinengestell gelagerten Wickelkern, auf dem mindestens ein von einer Vorratsrolle abgezogenes Halteband, das sich beim Aufwickeln des Schuppenbandes von oben her haltend über dieses spannt, befestigt ist, mit einem die Werkstücke zuführenden Bandförderer, der aus einem mindestens an entgegengesetzten Enden Rollen tragenden Rahmen besteht, der um die Achse der ersten Rolle schwenkbar ist und über dessen Rollen ein angetriebenes, endloses Förderband läuft, mit einer Einrichtung zum Anstellen des Rahmens an den Wickelkern bzw. die sich auf diesem bildende Schuppenbandrolle zu deren Antrieb durch dessen endloses Förderband und mit einer die geschuppt übereinander liegenden Gegenstände dem Bandförderer zuführenden Fördereinrichtung, dadurch gekennzeichnet, daß auf einer quer zu dem Bandförderer (28) angeordneten Achse (53) zwei Schwenkarme (47, 49) längsverschieblich gelagert sind, die an ihren Enden je einen Wickelkern (45) aufnehmenden Zapfen (46, 50) tragen.1.Device for producing scale tape rolls from flaky, flexible objects placed on top of one another on a conveyor belt, such as sacks or bag workpieces, with a winding core mounted in the machine frame, on which at least one holding tape drawn off from a supply roll, which is seen from above when the scale tape is wound up holding over this, is fastened, with a belt conveyor feeding the workpieces, which consists of a frame carrying rollers at least at opposite ends, which is pivotable about the axis of the first roller and over the rollers of which a driven, endless conveyor belt runs, with a device for positioning the frame on the winding core or the scale belt roll forming on this for driving it through its endless conveyor belt and with a conveyor device which feeds the overlapping objects to the belt conveyor, characterized in that two pivot arms (47) are arranged on an axis (53) arranged transversely to the belt conveyor (28) , 49) are mounted in a longitudinally displaceable manner and each carry a pin (46, 50) receiving a winding core (45) at their ends. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Schwenkarme (47, 49) spiegelbildlich zueinander angeordnet sind und die Zapfen (46, 50) nach außen weisen.2. Device according to claim 1, characterized in that the swivel arms (47, 49) are arranged in mirror image to one another and the pins (46, 50) point outwards. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schwenkarme (47, 49) mit hydraulischen Kolben-Zylinder-Einheiten (51, 52) gelenkig verbunden sind, deren anderen Enden mit einem Schlitten (55) gelenkig verbunden sind, der in der Führung eines Trägers (58) verfahr-bar ist, der oberhalb der Achse (53) und parallel zu dieser angeordnet ist.3. Apparatus according to claim 1 or 2, characterized in that the swivel arms (47, 49) with hydraulic piston-cylinder units (51, 52) are articulated, the other ends of which are articulated with a carriage (55) which is movable in the guide of a carrier (58) which is arranged above the axis (53) and parallel to it. 4. Vorrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Schwenkarme (47, 49) auf einer auf der Achse (53) verschieblichen Buchse (48) schwenkbar gelagert sind.4. Apparatus according to claim 1 to 3, characterized in that the pivot arms (47, 49) on a pivotable on the axis (53) bushing (48) are pivotally mounted. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß im Bereich des Wickelkerns (45) auf jedem der Schwenkarme (47, 49) ein radialer Träger (61) befestigt ist, der auf den Umfang der jeweiligen Schuppenbandrolle (37) im Bereich von deren Haltebändern absenkbare und zu deren Fixieren andrückbare Klemmbacken (67) trägt.5. Device according to one of claims 1 to 4, characterized in that in the region of the winding core (45) on each of the swivel arms (47, 49) a radial support (61) is attached, which carries on the circumference of the respective scale belt roll (37) in the region of its retaining straps lowerable and pressable to fix them clamping jaws (67). . Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß zum Verfahren der Klemmbacken (67) Druckmittel-Kolben-Zylinder-Einheiten (63) vorgesehen sind.. Device according to one of the preceding claims, characterized in that pressure medium-piston-cylinder units (63) are provided for moving the clamping jaws (67). 7. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Klemmbacken (67) an den Enden eines wippenartig gelagerten zweiarmigen Hebels (66) angeordnet sind, der mittig an einem die Rolle (37) übergreifenden Hebel (64) gelagert ist, dessen anderes Ende an einem auf dem Träger (61) befestigten Bock (65) gelagert ist.7. Device according to one of the preceding claims, characterized in that the clamping jaws (67) at the ends of a rocker-like two-armed lever (66) are arranged, which is mounted centrally on a roller (37) overlapping lever (64), the the other end is mounted on a bracket (65) fastened on the support (61). 8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß jede Klemmbacke (67) wippenartig gelenkig an den Enden des zweiarmigen Hebels (66) befestigt ist.8. The device according to claim 7, characterized in that each jaw (67) is rocker-like articulated at the ends of the two-armed lever (66). 9. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Druckmittel-Kolben-Zylinder-Einheit (63) einerseits an dem Hebel (64) und andererseits an einem endseitig an dem Träger (61) befestigten Querträger (62) angelenkt ist.9. Device according to one of the preceding claims, characterized in that the pressure medium-piston-cylinder unit (63) is articulated on the one hand on the lever (64) and on the other hand on a cross member (62) fastened at the end to the support (61). 10. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Bock (65) in unterschiedlichen Höhen auf dem Träger (61) festlegbar oder festklemmbar ist.10. Device according to one of the preceding claims, characterized in that the bracket (65) at different heights on the carrier (61) can be fixed or clamped.
EP81110742A 1980-12-23 1981-12-23 Device for producing rolls of flexible sheets wound in staggered overlapping formation Expired EP0054973B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3048721 1980-12-23
DE3048721 1980-12-23
DE3135575 1981-09-08
DE3135575A DE3135575C2 (en) 1980-12-23 1981-09-08 Device for the production of flaky belt rolls

Publications (2)

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EP0054973A1 true EP0054973A1 (en) 1982-06-30
EP0054973B1 EP0054973B1 (en) 1985-11-21

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EP (1) EP0054973B1 (en)
DE (1) DE3135575C2 (en)
ES (1) ES8301175A1 (en)

Cited By (2)

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EP0243906A1 (en) * 1986-05-02 1987-11-04 Ferag AG Process and apparatus for making portable tubular packages of printed products, such as newspapers, magazines and the like
EP0281790A1 (en) * 1987-03-06 1988-09-14 Ferag AG Device for continuously winding or unwinding flat products on or from a roll

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221911A1 (en) * 1992-07-03 1994-01-05 Kolbus Gmbh & Co Kg Method for stacking printed sheets and device for carrying out the method

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FR857390A (en) * 1939-07-05 1940-09-09 Rkoppwerke Ag Du Device for lifting and unwinding fabric bales
FR1604539A (en) * 1967-10-10 1971-11-29
US3845915A (en) * 1970-07-29 1974-11-05 Kalle Ag Winding machine
DE2349439A1 (en) * 1973-10-02 1975-04-03 Heinrich Schnell DEVICE ON LOOSE FLORBOBINE WINDERS
DE2544135A1 (en) * 1975-10-02 1977-04-14 Windmoeller & Hoelscher DEVICE FOR STORING WORKPIECES EJECTED FROM MANUFACTURING MACHINES WITH A HIGH NUMBER OF PIECES
DE2821922A1 (en) * 1977-05-27 1978-11-30 Ferag Ag CORNER CONVEYOR FOR FLAT PRODUCTS, IN PARTICULAR PAPER PRODUCTS

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR857390A (en) * 1939-07-05 1940-09-09 Rkoppwerke Ag Du Device for lifting and unwinding fabric bales
FR1604539A (en) * 1967-10-10 1971-11-29
US3845915A (en) * 1970-07-29 1974-11-05 Kalle Ag Winding machine
DE2349439A1 (en) * 1973-10-02 1975-04-03 Heinrich Schnell DEVICE ON LOOSE FLORBOBINE WINDERS
DE2544135A1 (en) * 1975-10-02 1977-04-14 Windmoeller & Hoelscher DEVICE FOR STORING WORKPIECES EJECTED FROM MANUFACTURING MACHINES WITH A HIGH NUMBER OF PIECES
DE2821922A1 (en) * 1977-05-27 1978-11-30 Ferag Ag CORNER CONVEYOR FOR FLAT PRODUCTS, IN PARTICULAR PAPER PRODUCTS
FR2391945A1 (en) * 1977-05-27 1978-12-22 Ferag Ag DEVICE FOR TRANSPORTING FLAT PRODUCTS ALONG AN ANGULAR PATH, IN PARTICULAR PAPER

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0243906A1 (en) * 1986-05-02 1987-11-04 Ferag AG Process and apparatus for making portable tubular packages of printed products, such as newspapers, magazines and the like
US4811548A (en) * 1986-05-02 1989-03-14 Ferag Ag Method of, and apparatus for, fabrication of portable tubular-shaped packages formed of printed products, such as newspapers, periodicals, and the like and portable package produced according to the method
EP0281790A1 (en) * 1987-03-06 1988-09-14 Ferag AG Device for continuously winding or unwinding flat products on or from a roll
AU592038B2 (en) * 1987-03-06 1989-12-21 Ferag Ag Apparatus for the continuous winding-up or winding-off of substantially flat structures into a package and from a package, respectively
US4898336A (en) * 1987-03-06 1990-02-06 Ferag Ag Apparatus for the continuous winding-up or winding-off of substantially flat structures into a package and from a package, respectively
CH679993A5 (en) * 1987-03-06 1992-05-29 Ferag Ag

Also Published As

Publication number Publication date
DE3135575A1 (en) 1982-08-12
EP0054973B1 (en) 1985-11-21
ES508262A0 (en) 1982-12-01
DE3135575C2 (en) 1985-09-12
ES8301175A1 (en) 1982-12-01

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