EP0817688B1 - Strip winder - Google Patents

Strip winder Download PDF

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Publication number
EP0817688B1
EP0817688B1 EP96905587A EP96905587A EP0817688B1 EP 0817688 B1 EP0817688 B1 EP 0817688B1 EP 96905587 A EP96905587 A EP 96905587A EP 96905587 A EP96905587 A EP 96905587A EP 0817688 B1 EP0817688 B1 EP 0817688B1
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EP
European Patent Office
Prior art keywords
strip
pressing roller
bracket
coiler
adjustment device
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Application number
EP96905587A
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German (de)
French (fr)
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EP0817688A1 (en
Inventor
Friedrich Moser
Johann Oberhumer
Hannu SEPPÄNEN
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Primetals Technologies Austria GmbH
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Voest Alpine Industrienlagenbau GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B21C47/06—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum
    • B21C47/063—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum with pressure rollers only

Definitions

  • the invention relates to a reel with at least one against a reel mandrel an actuating device adjustable pressure roller for pressing band-shaped winding material to the reel mandrel, the pressure roller being rotatable on a holding arm and opposite the Haspeldorn movably mounted in approximately the radial direction, the holding arm by means of Actuator against the reel mandrel is movable and pressable and the pressure roller Approach the beginning of the strip by at least the strip thickness from the reel mandrel using one of a control device controlled actuator is moved away, and wherein the Pressure roller is movable relative to the holding arm by means of a further actuating device and the further actuating device with which the pressure roller moves away when the Band-causing control device is connected, and a method for Reels.
  • the pressure rollers on a reel are pressed against the Coiled mandrel coiled down until friction between the coiler mandrel and A slip-free reel of the tape without further support from the Pressure rollers is secured. This usually requires several layers of tape on the coiler mandrel.
  • the diameter of the coil changes abruptly in the area of the tape request in the form of a step, the height of which corresponds to the thickness of the tape.
  • the pressure rollers pressed against the coil beat when the Band beginning against this step and press the front edge of the band beginning in the above wound tape layer. This is repeated when reeling the following layers of tape decreasing impact load and less damage to the band surface of the others Belt layers.
  • the band pressure rollers arranged around the band reel are each for arranged at one end of a swing frame by means of pedestals.
  • the swinging frame is pivotally supported and is supported by a pressure medium cylinder actuated, which is activated by a controller.
  • a controller e.g. from the DE-C - 34 06 661, EP-B - 0 222 231 or US-A - 4,380,164.
  • the invention aims to avoid these disadvantages and difficulties and has as its object to create a reel with which one step control "can be carried out in a simple manner and without great effort.
  • the effort on the actuating devices provided for this purpose should only be small and nevertheless a quick and controlled movement of the pressure roller should be able to be carried out. That is to say that the time span between lifting off and renewed activation of a pressure roller is extremely short can be held and the pressure roller performs an exact movement.
  • This object is achieved in that a bearing of the pressure roller in one Guide of the holding arm is guided approximately in the radial direction to the coiler mandrel and the other Actuator directly attacks the bearing.
  • the training according to the invention makes it possible for a step control "movement to be kept as short as possible and very quickly to move masses.
  • the adjusting device moving the holding arm is used, whereas the further adjusting device is independent of the first adjusting device, Therefore, regardless of a movement of the holding arm, it only has to move the pressure roller step control "steps to move.
  • a particularly advantageous embodiment is characterized in that a Pressure roller, each with a bearing arranged at its ends in guides of the Holding arms is guided, with another actuator directly attacking each of the bearings.
  • a device of this type it is also possible to run sideways and thus to counteract an increasingly off-center winding of the tape by using the two further actuators of the first pressure roller in the direction of entry different contact pressures against the coil are applied. By applying An increased pressure on the side on which the band deflects outwards becomes the band returned to the central position.
  • the holding arm preferably has a guide for a guide piece of the pressure roller Move the same in about the radial direction to the reel mandrel, the length of the Guide and the other adjusting device for moving the pressure roller several times the thickness of the tape to be wound up.
  • a preferred embodiment is characterized in that the holding arm is a guide for a guide piece of the pressure roller for moving the same in an approximately radial direction Has reel mandrel, the length of the guide and the further adjusting device for Move the pressure roller in an area corresponding approximately to the thickness of the tape to be wound up.
  • the pressure roller is each time the tape beginning of the to be wound up by at least an amount corresponding to the thickness of the tape Bundle moved away, with the holder arm standing still, the pressure roller after the However, the beginning of the band again in front of the band before moving past Holding arm is moved back position and the holding arm during this Back movement of the coil is moved away by the amount of this back movement.
  • This method is particularly expedient since it prevents the distance between the outermost band layer and the holding arm, which usually holds a pressure roller is also provided with a guide ruler, with each revolution, becomes smaller.
  • FIG. 1 is a side view of a tape reel according to a first embodiment and FIG. 2 shows a detail of a tape reel according to another embodiment.
  • Fig. 3 illustrates a tape reel according to another embodiment in oblique view.
  • a reel mandrel 1 According to the reel shown in Fig. 1 are around the circumference of a reel mandrel 1, the if necessary, three pressure rollers 2 are arranged.
  • Each of the pressure rollers 2 is in its own holding arm 3, which is designed as a swing arm.
  • the holding arms 3 are each pivoted about a pivot axis 4 on a fixed frame 5 and by means of a first actuating device 6, which is hydraulic, pneumatic or electromechanical can be driven, movable relative to the stationary scaffold 5.
  • the actuating devices 6 are exemplary embodiments as hydraulic pressure medium cylinders educated.
  • Each holding arm 3 has an extension 8 in the upright direction 7 or winding direction, which forms a guide skid for the band 9 to be wound up, so that against the coiler mandrel 1 employed pressure rollers 2 an almost closed guideway is formed.
  • the arrangement of the pivot axes 4 and 3 holding arms is such that the Pressure rollers 2 when pivoting the holding arms 3 in an approximately radial direction to the reel mandrel 1 move.
  • Each of the holding arms 3 has guides 10 which are aligned approximately radially with respect to the coiler mandrel 1 are and in which the end of the pressure rollers 2 arranged bearings 11 are guided are.
  • Actuators 12 are preferably pressure medium cylinders, in particular Hydraulic cylinder.
  • the second layer of tape on the first layer of tape is wound, when the tape start 14 moves past the Pressure rollers 2, the pressure rollers 2 by means of the second adjusting devices 12 Coiler mandrel 1 moves away, the second actuating devices 12 by a control device 15 can be activated.
  • the first actuating devices 6 moving the holding arms 3 remain constant during this time acted upon without being influenced by the control device.
  • the short-term and Sudden movement of the pressure rollers 2 takes place by an amount that corresponds at least to the thickness 16 of the band 9.
  • the second actuating device 12 is activated further until the bearings 11 of the pressure roller 2 again the position taken before the tape start 14 moves past along the Take guides 10.
  • the holder arm 3 from the coil around the dimension of this Back movement, that is, moved away by at least the band thickness 16, either by means of the first actuators 6 or by setting a pressure difference between those of the first and second actuators 6 and 12 applied and against the coil directed presses.
  • the distance between the guide runners 8 from the coil or the degree of protrusion of the pressure rollers 2 over the guide skids 8 during the Winding process the same size.
  • step control moves, that is to say during the lifting of a pressure roller 2 by at least the measure of the strip thickness 16 from the coil, only a very small mass, namely only that of the pressure roller 2 and its bearings 11.
  • the heavy, massive holding arm 3 is used up to disregard this movement to be carried out very quickly by the pressure roller 2. He can remain stationary during this movement.
  • the first actuating device 6 to move the holding arm 3 acts on this cross member 3 '' '.
  • the arranged at the end of the pressure roller 2 Bearings 11 attacking second actuators 12 can preferably be independent from each other the bearings 11 with different, directed against the reel mandrel 1 Apply pressure, which causes a certain inclination of this pressure roller 2 compared to the reel mandrel 1, as illustrated by dashed lines.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding Of Webs (AREA)
  • Organic Insulating Materials (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

The invention concerns a strip winder comprising at least one pressure roller (2) which can be set against a winder mandrel (1) by means of an adjusting device (6) in order to press strip-form winding material (9) against the winding mandrel (1). To this end, the pressure roller (2) is mounted such that it can rotate on a mounting arm (3) and move relative to the winding mandrel (1) in an approximately radial direction. The mounting arm (3) can be moved towards and pressed against the winding mandrel (1) by means of the adjusting device (6). As the beginning of the strip (14) approaches, the pressure roller (2) can be moved by at least the strip thickness (16) away from the winding mandrel (1) by means of an adjusting device (12) controlled by a control device (15). In order to be able to carry out "step control" easily and with simple means, the pressure roller (2), in known manner, is movable relative to the mounting arm (3) by means of a further adjusting device (12) connected to the control device (15) which causes the pressure roller (2) to move away from the winding mandrel (1) as the beginning of the strip (14) approaches.

Description

Die Erfindung betrifft eine Bandhaspel mit mindestens einer gegen einen Haspeldorn mittels einer Stelleinrichtung anstellbaren Andrückrolle zum Anpressen von bandförmigem Wickelgut an den Haspeldorn, wobei die Andrückrolle an einem Haltearm drehbar sowie gegenüber dem Haspeldorn in etwa radialer Richtung beweglich gelagert ist, der Haltearm mittels der Stelleinrichtung gegen den Haspeldorn bewegbar und preßbar ist und die Andrückrolle bei Annähern des Bandanfanges um mindestens die Banddicke vom Haspeldorn mittels einer von einer Steuereinrichtung angesteuerten Stelleinrichtung wegbewegbar ist, und wobei die Andrückrolle gegenüber dem Haltearm mittels einer weiteren Stelleinrichtung bewegbar ist und die weitere Stelleinrichtung mit der das Wegbewegen der Andrückrolle bei Annähern des Bandanfanges verursachenden Steuereinrichtung verbunden ist, sowie ein Verfahren zum Haspeln.The invention relates to a reel with at least one against a reel mandrel an actuating device adjustable pressure roller for pressing band-shaped winding material to the reel mandrel, the pressure roller being rotatable on a holding arm and opposite the Haspeldorn movably mounted in approximately the radial direction, the holding arm by means of Actuator against the reel mandrel is movable and pressable and the pressure roller Approach the beginning of the strip by at least the strip thickness from the reel mandrel using one of a control device controlled actuator is moved away, and wherein the Pressure roller is movable relative to the holding arm by means of a further actuating device and the further actuating device with which the pressure roller moves away when the Band-causing control device is connected, and a method for Reels.

Die Andrückrollen einer Bandhaspel werden so lange mit konstanter Kraft gegen die auf den Haspeldorn aufgewickelten Bandlagen gedrückt, bis durch Reibung zwischen Haspeldorn und Bandanfang ein schlupffreies Haspeln des Bandes ohne weitere Unterstützung durch die Andrückrollen gesichert ist. Dies erfordert meist mehrere Bandlagen am Haspeldorn.The pressure rollers on a reel are pressed against the Coiled mandrel coiled down until friction between the coiler mandrel and A slip-free reel of the tape without further support from the Pressure rollers is secured. This usually requires several layers of tape on the coiler mandrel.

Beim Wickeln der ersten Bandlagen ändert sich der Durchmesser des Bundwickels sprungartig im Bereich des Bandanfages in Form einer Stufe, deren Höhe der Dicke des Bandes entspricht. Die gegen den Bundwickel gepreßten Andrückrollen schlagen bei Vorbeidrehen des Bandanfanges gegen diese Stufe und drücken die Stirnkante des Bandanfanges in die darüber gewickelte Bandlage. Dies wiederholt sich beim Haspeln der folgenden Bandlagen mit abnehmender Schlagbelastung und geringerer Schädigung der Bandoberfläche der weiteren Bandlagen.When winding the first layers of tape, the diameter of the coil changes abruptly in the area of the tape request in the form of a step, the height of which corresponds to the thickness of the tape. The pressure rollers pressed against the coil roll beat when the Band beginning against this step and press the front edge of the band beginning in the above wound tape layer. This is repeated when reeling the following layers of tape decreasing impact load and less damage to the band surface of the others Belt layers.

Zur Vermeidung der hierbei auftretenden Stoßbelastung der Andrückrollen und der sich dabei bildenden schädlichen Abdrücke am Bund ist es bekannt (DE-C - 21 58 721, EP-B - 0 391 135, US-A - 4,380,164, DE-C - 33 18 031), die Andrückrollen während der Bildung der ersten Bandlagen, insbesondere während der ersten fünf bis sechs Bandlagen, kurz vor Vorbeibewegen des Bandanfanges an den Andrückrollen im wesentlichen radial um mindestens die Banddicke vom Bundwickel abzuheben und sofort nach Vorbeibewegen dieser Stufe wieder an den Bundwickel anzupressen. Dieses Prinzip ist in der Fachwelt als

Figure 00010001
step control" bekannt. It is known to avoid the impact load of the pressure rollers occurring here and the harmful imprints that form on the collar (DE-C - 21 58 721, EP-B - 0 391 135, US-A - 4,380,164, DE-C - 33 18 031 ), the pressure rollers during the formation of the first tape layers, especially during the first five to six tape layers, shortly before moving the beginning of the tape past the pressure rollers essentially radially to lift at least the tape thickness from the coil and to press it back onto the coil immediately after moving this step. This principle is considered in the professional world
Figure 00010001
step control ".

Üblicherweise sind die um die Bandhaspel verteilt angeordneten Bandandrückrollen jede für sich an einem Ende eines Schwingrahmens mittels Lagerböcke angeordnet. Der Schwingrahmen ist ortsfest schwenkbar abgestützt und wird von einem Druckmittelzylinder betätigt, der von einer Steuerung aktiviert wird. Derartige Lösungen sind z.B. aus der DE-C - 34 06 661, der EP-B - 0 222 231 oder der US-A - 4,380,164 bekannt.Usually, the band pressure rollers arranged around the band reel are each for arranged at one end of a swing frame by means of pedestals. Of the The swinging frame is pivotally supported and is supported by a pressure medium cylinder actuated, which is activated by a controller. Such solutions are e.g. from the DE-C - 34 06 661, EP-B - 0 222 231 or US-A - 4,380,164.

Aus der JP-A2 - 57-9531 ist eine Bandhaspel mit step control"-Arbeitsweise bekannt, bei der die von Druckmittelzylindern gesteuerten, die Andrückrollen tragenden Schwingrahmen ebenfalls als Ganzes stufenweise bewegt werden.From JP-A2 - 57-9531 is a reel with step control "mode of operation is known in which the oscillating frames controlled by pressure medium cylinders and carrying the pressure rollers are also moved in stages as a whole.

Aus der JP-A - 60-97156 ist eine Bandhaspel der eingangs beschriebenen Art bekannt, bei der die Andrückrolle an einem am Haltearm schwenkbeweglich abgestützten Träger drehbar gelagert ist und bei der die weitere Stelleinrichtung an diesem Träger angreift, so daß zur Durchführung der step control" die Andrückrolle und der zusätzlich zum Haltearm vorgesehene Träger mittels der weiteren Stelleinrichtung gemeinsam bewegt werden müssen.From JP-A - 60-97156 a reel of the type described above is known, in which the pressure roller is rotatably mounted on a support pivotally supported on the holding arm and in which the further actuating device engages on this support, so that to carry out the step control ", the pressure roller and the support provided in addition to the holding arm must be moved together by means of the further adjusting device.

Da die Aufwickelgeschwindigkeiten sehr hoch sind - das Band wird mit bis zu 6 m/s an die Bandhaspel herangeführt und der Haspeldorn rotiert mit bis zu 3 U/s -, ist es notwendig, die Bewegungen der Schwingrahmen zur Durchführung der step control" zwecks Bewegen der Andrückrollen von einer Andrückposition in eine abgehobene Position und gegebenenfalls wieder zurück innerhalb einer sehr kurzen Zeitspanne innerhalb etwa 0,1 s - durchzuführen. Es sind also innerhalb dieser sehr kurzen Zeitspanne große Massen zu beschleunigen und wieder abzubremsen. Dies bedingt dementsprechend stark dimensionierte Stellgeräte zum Bewegen der Schwingrahmen und einen hohen Energieaufwand.Since the winding speeds are very high - the strip is brought up to 6 m / s to the strip reel and the reel mandrel rotates at up to 3 U / s - it is necessary to carry out the movements of the oscillating frame step control "for the purpose of moving the pressure rollers from a pressure position to a raised position and, if necessary, back again within a very short time span within approximately 0.1 s. Large masses must therefore be accelerated and braked again within this very short time span. This requires Accordingly, large-sized actuators for moving the swing frame and a high energy consumption.

Die Zeitspanne zwischen Abheben und abermaligem Anstellen einer Andrückrolle soll so kurz wie möglich gehalten werden, um einen Schlupf des Bandes gegenüber dem Haspeldorn zu vermeiden, insbesondere wenn nur eine geringe Anzahl von Andrückrollen vorgesehen ist. Hier ist man beim Stand der Technik infolge der großen zu bewegenden Massen beschränkt, d.h. bis eine Andrückrolle wieder ordnungsgemäß am Bundwickel nach einem Abheben angepreßt ist, vergeht eine relativ lange Zeitspanne.The time between lifting off and pressing a pressure roller again should be so short as possible to keep the tape from slipping towards the coiler mandrel Avoid, especially if only a small number of pressure rollers is provided. Here is the state of the art limited due to the large masses to be moved, i.e. to a pressure roller is properly pressed against the coil after lifting off, a relatively long period of time passes.

Die Erfindung bezweckt die Vermeidung dieser Nachteile und Schwierigkeiten und stellt sich die Aufgabe, eine Bandhaspel zu schaffen, mit der eine step control" in einfacher Weise und ohne großen Aufwand durchführbar ist. Insbesondere soll der Aufwand an hierfür vorgesehenen Stellegeräten nur gering sein und trotzdem eine schnelle und kontrollierte Bewegung der Andrückrolle durchführbar sein. D.h. daß die Zeitspanne zwischen einem Abheben und abermaligen Anstellen einer Andrückrolle extrem kurz gehalten werden kann und die Andrückrolle eine exakte Bewegung ausführt.The invention aims to avoid these disadvantages and difficulties and has as its object to create a reel with which one step control "can be carried out in a simple manner and without great effort. In particular, the effort on the actuating devices provided for this purpose should only be small and nevertheless a quick and controlled movement of the pressure roller should be able to be carried out. That is to say that the time span between lifting off and renewed activation of a pressure roller is extremely short can be held and the pressure roller performs an exact movement.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß ein Lager der Andrückrolle in einer Führung des Haltearmes in etwa zum Haspeldorn radialer Richtung geführt ist und die weitere Stelleinrichtung an dem Lager direkt angreift.This object is achieved in that a bearing of the pressure roller in one Guide of the holding arm is guided approximately in the radial direction to the coiler mandrel and the other Actuator directly attacks the bearing.

Die erfindungsgemäße Ausbildung ermöglicht es, die bei einer step control"-Bewegung kurzzeitig und sehr schnell zu bewegenden Massen so gering wie möglich zu halten. Für die Sicherstellung eines konstanten Anpreßdruckes während des Haspelvorganges beim Haspeln der ersten Bandlagen dient die den Haltearm bewegende Stelleinrichtung, wogegen die weitere Stelleinrichtung unabhängig von der ersten Stelleinrichtung, also unabhängig von einer Bewegung des Haltearmes, lediglich die Andrückrolle zu bewegen hat. Die weitere Stelleinrichtung kann daher wesentlich kleiner dimensioniert sein; sie braucht ja lediglich die Andrückrolle zur Durchführung der step control"-Schritte zu bewegen.The training according to the invention makes it possible for a step control "movement to be kept as short as possible and very quickly to move masses. To ensure a constant contact pressure during the reeling process when reeling the first strip layers, the adjusting device moving the holding arm is used, whereas the further adjusting device is independent of the first adjusting device, Therefore, regardless of a movement of the holding arm, it only has to move the pressure roller step control "steps to move.

Aus der US-A - 4,964,587 ist es bekannt, eine Andrückrolle gegenüber dem Haltearm mittels einer weiteren Stelleinrichtung zu bewegen. Diese weitere Stelleinrichtung ist zusätzlich zu der den Haltearm bewegenden Stelleinrichtung vorgesehen. Das Bewegen der Andrückrolle mittels der weiteren Stelleinrichtung dient dazu, das Ansprechen der Andrückrolle beim Dickerwerden des Wickelbundes zu verbessern, d.h. den Winkel α zwischen der durch die Achse des Wickeldornes gelegten radialen Richtung und der zur Bewegungsrichtung der Andrückrolle gelegten Tangentiallinie zu minimieren.From US-A-4,964,587 it is known to use a pressure roller with respect to the holding arm to move another actuator. This additional control device is in addition to the provided the holding arm moving actuator. Moving the pressure roller using the further adjusting device serves to respond to the pressure roller when it becomes thicker to improve the winding band, i.e. the angle α between the through the axis of the Winding mandrel laid radial direction and the direction of movement of the pressure roller to minimize the tangent line.

Eine besonders vorteilhafte Ausführungsform ist dadurch gekennzeichnet, daß eine Andrückrolle mit jeweils einem an ihren Enden angeordneten Lager in Führungen des Haltearmes geführt ist, wobei an jedem der Lager eine weitere Stelleinrichtung direkt angreift. Mit einer Einrichtung dieser Art ist es zusätzlich möglich, einem seitlichen Verlaufen und damit einem zunehmend außermittigen Aufwickeln des Bandes gegenzusteuern, indem über die beiden weiteren Stelleinrichtungen der in Einlaufrichtung ersten Andrückrolle jeweils unterschiedliche Anpreßdrücke gegen den Bundwickel aufgebracht werden. Durch Aufbringen eines erhöhten Druckes an der Seite, an der das Band nach außen auslenkt, wird das Band wieder in die Mittenlage zurückgeführt.A particularly advantageous embodiment is characterized in that a Pressure roller, each with a bearing arranged at its ends in guides of the Holding arms is guided, with another actuator directly attacking each of the bearings. With a device of this type, it is also possible to run sideways and thus to counteract an increasingly off-center winding of the tape by using the two further actuators of the first pressure roller in the direction of entry different contact pressures against the coil are applied. By applying An increased pressure on the side on which the band deflects outwards becomes the band returned to the central position.

Vorzugsweise weist der Haltearm eine Führung für ein Führungsstück der Andrückrolle zum Bewegen derselben in etwa radialer Richtung zum Haspeldorn auf, wobei die Länge der Führung sowie die weitere Stelleinrichtung zum Bewegen der Andrückrolle um ein Mehrfaches der Dicke des aufzuwickelnden Bandes bemessen sind. The holding arm preferably has a guide for a guide piece of the pressure roller Move the same in about the radial direction to the reel mandrel, the length of the Guide and the other adjusting device for moving the pressure roller several times the thickness of the tape to be wound up.

Eine bevorzugte Ausführungsform ist dadurch gekennzeichnet, daß der Haltearm eine Führung für ein Führungsstück der Andrückrolle zum Bewegen derselben in etwa radialer Richtung zum Haspeldorn aufweist, wobei die Länge der Führung sowie die weitere Stelleinrichtung zum Bewegen der Andrückrolle in einem Bereich entsprechend etwa der Dicke des aufzuwickelnden Bandes bemessen sind.A preferred embodiment is characterized in that the holding arm is a guide for a guide piece of the pressure roller for moving the same in an approximately radial direction Has reel mandrel, the length of the guide and the further adjusting device for Move the pressure roller in an area corresponding approximately to the thickness of the tape to be wound up.

Ein vorteilhaftes Verfahren zum Haspeln mit einer erfindungsgemäßen Bandhaspel ist dadurch gekennzeichnet, daß die Andrückrolle bei jedem Vorbeibewegen des Bandanfanges des aufzuwickelnden Bandes um mindestens einen der Banddicke entsprechenden Betrag vom Bundwickel wegbewegt wird, wobei der Haltearm etwa stillsteht.This is an advantageous method for reeling with a strip reel according to the invention characterized in that the pressure roller each time the tape beginning of the to be wound up by at least an amount corresponding to the thickness of the tape Bundle is moved away, with the arm approximately stationary.

Vorzugsweise wird die Andrückrolle bei jedem Vorbeibewegen des Bandanfanges des aufzuwickelnden Bandes um mindestens einen der Banddicke entsprechenden Betrag vom Bundwickel wegbewegt, wobei der Halterarm stillsteht, die Andrückrolle nach Vorbeilauf des Bandanfanges jedoch wieder in die vor dem Vorbeibewegen des Bandanfanges gegenüber dem Haltearm eingenommene Position zurückbewegt wird und der Haltearm während dieser Zurückbewegung vom Bundwickel um das Maß dieser Zurückbewegung wegbewegt wird. Dieses Verfahren ist besonders zweckmäßig, da hierdurch vermieden wird, daß der Abstand zwischen der äußersten Bandlage und dem eine Andrückrolle tragenden Haltearm, der meist auch mit einem Führungslineal versehen ist, bei jeder Umdrehung, kleiner wird.Preferably, the pressure roller is each time the tape beginning of the to be wound up by at least an amount corresponding to the thickness of the tape Bundle moved away, with the holder arm standing still, the pressure roller after the However, the beginning of the band again in front of the band before moving past Holding arm is moved back position and the holding arm during this Back movement of the coil is moved away by the amount of this back movement. This method is particularly expedient since it prevents the distance between the outermost band layer and the holding arm, which usually holds a pressure roller is also provided with a guide ruler, with each revolution, becomes smaller.

Zur Sicherung einer Mittenlage des Bandes während des Aufwickelns werden zweckmäßig bei Abweichen des Bandverlaufes von der Mittenlage über die beiden weiteren Stelleinrichtungen unterschiedliche Anpreßdrücke aufgebracht, wobei der Anpreßdruck an der Seite, an der das Band nach außen auslenkt, größer gehalten wird, u.zw. so lange, bis das Band wieder in die Mittenlage zurückgeführt ist.To secure a central position of the tape during winding, it is advisable to Deviation of the band course from the center position via the two other adjusting devices different contact pressures applied, the contact pressure on the side where the Belt deflects outwards, is kept larger, etc. until the tape is back in the Middle position is returned.

Die Erfindung ist nachfolgend anhand der Zeichnung in schematischer Darstellung näher erläutert, wobei Fig. 1 eine Seitenansicht einer Bandhaspel nach einer ersten Ausführungsform und Fig. 2 ein Detail einer Bandhaspel gemäß einer anderen Ausführungsform zeigen. Fig. 3 veranschaulicht eine Bandhaspel gemäß einer weiteren Ausführungsform im Schrägriß.The invention is described in more detail below with the aid of the drawing in a schematic illustration explained, Fig. 1 is a side view of a tape reel according to a first embodiment and FIG. 2 shows a detail of a tape reel according to another embodiment. Fig. 3 illustrates a tape reel according to another embodiment in oblique view.

Gemäß der in Fig. 1 dargestellten Bandhaspel sind um den Umfang eines Haspeldorns 1, der gegebenenfalls spreizbar ist, drei Andrückrollen 2 angeordnet. Jede der Andrückrollen 2 ist in einem eigenen Haltearm 3, der als Schwingarm ausgebildet ist, angeordnet. Die Haltearme 3 sind jeweils um eine Schwenkachse 4 schwenkbar an einem ortsfesten Gerüst 5 gelagert und mittels einer ersten Stelleinrichtung 6, die hydraulisch, pneumatisch oder elektromechanisch angetrieben sein kann, gegenüber dem ortsfesten Gerüst 5 bewegbar. Gemäß dem dargestellten Ausführungsbeispiel sind die Stelleinrichtungen 6 als hydraulische Druckmittelzylinder ausgebildet.According to the reel shown in Fig. 1 are around the circumference of a reel mandrel 1, the if necessary, three pressure rollers 2 are arranged. Each of the pressure rollers 2 is in its own holding arm 3, which is designed as a swing arm. The holding arms 3 are each pivoted about a pivot axis 4 on a fixed frame 5 and by means of a first actuating device 6, which is hydraulic, pneumatic or electromechanical can be driven, movable relative to the stationary scaffold 5. According to the illustrated The actuating devices 6 are exemplary embodiments as hydraulic pressure medium cylinders educated.

Jeder Haltearm 3 weist in Bandaufrichtung 7 bzw. Wickelrichtung eine Verlängerung 8 auf, die eine Führungskufe für das aufzuwickelnde Band 9 bildet, so daß bei gegen den Haspeldorn 1 angestellten Andrückrollen 2 eine nahezu geschlossene Führungsbahn gebildet ist.Each holding arm 3 has an extension 8 in the upright direction 7 or winding direction, which forms a guide skid for the band 9 to be wound up, so that against the coiler mandrel 1 employed pressure rollers 2 an almost closed guideway is formed.

Die Anordnung der Schwenkachsen 4 und Haltearme 3 ist so getroffen, daß sich die Andrückrollen 2 bei Verschwenken der Haltearme 3 in etwa radialer Richtung zum Haspeldorn 1 bewegen.The arrangement of the pivot axes 4 and 3 holding arms is such that the Pressure rollers 2 when pivoting the holding arms 3 in an approximately radial direction to the reel mandrel 1 move.

Jeder der Haltearme 3 weist Führungen 10 auf, die etwa radial zum Haspeldorn 1 ausgerichtet sind und in denen endseitig der Andrückrollen 2 angeordnete Lager 11 verschiebbar geführt sind. Eine Verschiebebewegung der Andrückrollen 2 in Richtung zum Haspeldorn 1 und entgegengesetzt kann mittels weiterer zweiter Stelleinrichtungen 12, die jeweils an einem Lager 11 der Andrückrollen 2 direkt angreifen, bewerkstelligt werden. Bei den weiteren Stelleinrichtungen 12 handelt es sich vorzugsweise um Druckmittelzylinder, insbesondere um Hydraulikzylinder.Each of the holding arms 3 has guides 10 which are aligned approximately radially with respect to the coiler mandrel 1 are and in which the end of the pressure rollers 2 arranged bearings 11 are guided are. A displacement movement of the pressure rollers 2 in the direction of the coiler mandrel 1 and can be opposed by means of further second actuating devices 12, each on one Attack the bearing 11 of the pressure rollers 2 directly, be accomplished. With the others Actuators 12 are preferably pressure medium cylinders, in particular Hydraulic cylinder.

Die Funktion der Bandhaspel ist folgende:The function of the reel is as follows:

Das über eine von Rollen gebildete Bandführung 13 und eine nicht näher dargestellte Einlaufbandführung dem Haspeldorn 1 zugeführte Band 9 wird infolge der zwischen den Andrückrollen 2 und dem Haspeldorn 1 wirkenden Klemmkraft um den Haspeldorn 1 herumgewickelt und bildet so zunächst eine erste Bandlage. Sobald die zweite Bandlage auf die erste Bandlage gewickelt wird, werden bei Vorbeibewegen des Bandanfanges 14 an den Andrückrollen 2 die Andrückrollen 2 mittels der zweiten Stelleinrichtungen 12 vom Haspeldorn 1 wegbewegt, wobei die zweiten Stelleinrichtungen 12 von einer Steuereinrichtung 15 aktiviert werden.The one via a belt guide 13 formed by rollers and a not shown Infeed belt guide the reel mandrel 1 is fed band 9 due to the between the Pressure rollers 2 and the reel mandrel 1 have a clamping force around the reel mandrel 1 wrapped around and thus initially forms a first layer of tape. As soon as the second layer of tape on the first layer of tape is wound, when the tape start 14 moves past the Pressure rollers 2, the pressure rollers 2 by means of the second adjusting devices 12 Coiler mandrel 1 moves away, the second actuating devices 12 by a control device 15 can be activated.

Die die Haltearme 3 bewegenden ersten Stelleinrichtungen 6 bleiben währenddessen konstant beaufschlagt, ohne von der Steuereinrichtung beeinflußt zu werden. Das kurzzeitige und plötzlich stattfindende Wegbewegen der Andrückrollen 2 erfolgt um einen Betrag, der mindestens der Dicke 16 des Bandes 9 entspricht. Sofort nachdem sich der Bandanfang 14 bei der aktivierten Andrückrolle 2 vorbeibewegt hat, wird diese wieder gegen den Haspeldorn 1 durch Aktivieren der zweiten Stelleinrichtung 12 in die Gegenrichtung gepreßt. Vorzugsweise wird die zweite Stelleinrichtung 12 weiter aktiviert, bis die Lager 11 der Andrückrolle 2 wiederum die vor Vorbeibewegen des Bandanfanges 14 eingenommene Lage entlang der Führungen 10 einnehmen. Während dieses Zurückbewegens der Lager 11 in die vorher eingenommene Position wird der Halterarm 3 vom Bundwickel um das Maß dieser Zurückbewegung, also um mindestens die Banddicke 16, wegbewegt, entweder mittels der ersten Stelleinrichtungen 6 oder durch Einstellen einer Druckdifferenz zwischen den von den ersten und zweiten Stelleinrichtungen 6 und 12 aufgebrachten und gegen den Bundwickel gerichteten Drücken. Hierdurch bleibt der Abstand der Führungskufen 8 vom Bundwickel bzw. das Maß des Vorstehens der Andrückrollen 2 über die Führungskufen 8 während des Wickelvorganges gleich groß.The first actuating devices 6 moving the holding arms 3 remain constant during this time acted upon without being influenced by the control device. The short-term and Sudden movement of the pressure rollers 2 takes place by an amount that corresponds at least to the thickness 16 of the band 9. Immediately after the beginning of the band 14 at the activated pressure roller 2 has moved past, it is again against the coiler mandrel 1 pressed in the opposite direction by activating the second actuating device 12. Preferably the second actuating device 12 is activated further until the bearings 11 of the pressure roller 2 again the position taken before the tape start 14 moves past along the Take guides 10. During this moving back of the bearings 11 in the previously assumed position, the holder arm 3 from the coil around the dimension of this Back movement, that is, moved away by at least the band thickness 16, either by means of the first actuators 6 or by setting a pressure difference between those of the first and second actuators 6 and 12 applied and against the coil directed presses. As a result, the distance between the guide runners 8 from the coil or the degree of protrusion of the pressure rollers 2 over the guide skids 8 during the Winding process the same size.

Wie ersichtlich, ist während der Durchführung der step control"-Bewegung, also während des Abhebens einer Andrückrolle 2 um mindestens das Maß der Banddicke 16 vom Bundwickel, nur eine sehr kleine Masse, nämlich nur die der Andrückrolle 2 und die deren Lager 11 zu bewegen. Der schwere massive Haltearm 3 braucht auf diese von der Andrückrolle 2 sehr schnell durchzuführende Bewegung keine Rücksicht zu nehmen. Er kann während dieser Bewegung unbewegt bleiben.As can be seen, during the implementation of the step control "movement, that is to say during the lifting of a pressure roller 2 by at least the measure of the strip thickness 16 from the coil, only a very small mass, namely only that of the pressure roller 2 and its bearings 11. The heavy, massive holding arm 3 is used up to disregard this movement to be carried out very quickly by the pressure roller 2. He can remain stationary during this movement.

Wie aus Fig. 3 zu erkennen ist, ist der Haltearm 3 von zwei Seitenwangen 3', 3'', die durch einen Querträger 3''' zu einer Baueinheit verbunden sind, gebildet. Die erste Stelleinrichtung 6 zum Bewegen des Haltearmes 3 greift an diesem Querträger 3''' an. Die gegen den Haspeldorn 1 gerichteten Enden der Seitenwangen 3', 3'' weisen die Führungen 10 für die Lager 11 der Andrückrolle 2 auf. Die an den endseitig der Andrückrolle 2 angeordneten Lagern 11 angreifenden zweiten Stelleinrichtungen 12 können vorzugsweise unabhängig voneinander die Lager 11 mit unterschiedlichen, gegen den Haspeldorn 1 gerichteten Anpreßdrücken beaufschlagen, was eine gewisse Schiefstellung dieser Andrückrolle 2 gegenüber dem Haspeldorn 1, wie mit strichlierten Linien veranschaulicht ist, ermöglicht.As can be seen from Fig. 3, the holding arm 3 of two side cheeks 3 ', 3' 'through a cross member 3 '' 'are connected to form a unit. The first actuating device 6 to move the holding arm 3 acts on this cross member 3 '' '. The against the Coiler mandrel 1 directed ends of the side cheeks 3 ', 3' 'have the guides 10 for the Bearing 11 of the pressure roller 2. The arranged at the end of the pressure roller 2 Bearings 11 attacking second actuators 12 can preferably be independent from each other the bearings 11 with different, directed against the reel mandrel 1 Apply pressure, which causes a certain inclination of this pressure roller 2 compared to the reel mandrel 1, as illustrated by dashed lines.

Hierdurch gelingt es, durch Aufbringen eines erhöhten Drucks an einer Seite, an der das Band 9 bei seitlichem Verlaufen (vgl. die Pfeile 17 der Fig. 3) während des Wickelvorganges nach außen auslenkt, das Band 9 wieder in die Mittenlage zurückzuführen, so daß ein Bund ohne seitlich vorstehende Bandränder gewickelt werden kann.This is achieved by applying increased pressure to one side on which the tape 9 in the event of lateral running (cf. arrows 17 in FIG. 3) during the winding process deflects outside, the band 9 back to the center position, so that a collar without laterally protruding band edges can be wrapped.

Claims (7)

  1. Strip coiler comprising at least one pressing roller (2) for pressing strip-form coiling material (9) against a coiler mandrel (1), said pressing roller being adjustable relative to the coiler mandrel (1) by means of an adjustment device (6), wherein the pressing roller (2) is mounted on a bracket (3) in such a way as to be rotatable as well as being movable relative to the coiler mandrel (1) in a roughly radial direction, the bracket (3) can be moved towards and pressed against the coiler mandrel (1) by means of the adjustment device (6), and, as the beginning (14) of the strip approaches, the pressing roller (2) can be moved away from the coiler mandrel (1) by at least the strip thickness (16) by means of an adjustment device (12) controlled by a control device (15), and wherein the pressing roller (2) is movable relative to the bracket (3) by means of a further adjustment device (12) and the further adjustment device (12) is connected with the control device (15) that causes the pressing roller (2) to move away as the beginning (14) of the strip approaches, characterized in that a bearing (11) of the pressing roller (2) is guided in a guide (10) of the bracket (3) in a direction roughly radial with respect to the coiler mandrel (1) and the further adjustment device (12) engages directly at the bearing (11).
  2. Strip coiler according to claim 1, characterized in that a pressing roller (2) is guided in guides (10) of the bracket (3) by one bearing (11) arranged at each of its ends, with a further adjustment device (12) engaging directly at each of the bearings (11).
  3. Strip coiler according to claim 1 or 2, characterized in that the bracket (3) is provided with a guide (10) for a guide piece (11) of the pressing roller (3) for moving the same in a direction roughly radial with respect to the coiler mandrel (1), with the length of the guide (10) as well as the further adjustment device (12) for moving the pressing roller (2) being dimensioned such as to be a multiple of the thickness (16) of the strip (9) that is to be coiled.
  4. Strip coiler according to claim 1 or 2, characterized in that the bracket (3) is provided with a guide (10) for a guide piece (11) of the pressing roller (2) for moving the same in a direction approximately radial with respect to the coiler mandrel (1), the length of the guide (10) as well as the further adjustment device (12) for moving the pressing roller (2) being dimensioned to be in a range corresponding roughly to the thickness (16) of the strip (9) that is to be coiled.
  5. Method of coiling employing a strip coiler according to one or several of claims 1 to 3, characterized in that the pressing roller (2) at each passing of the beginning (14) of the strip (9) that is to be coiled is moved away from the coil by an amount corresponding at least to the strip thickness (16), with the bracket (3) remaining approximately still.
  6. Method of coiling employing a strip coiler according to one or several of claims 1, 2 and 4, characterized in that the pressing roller (2) each time the beginning (14) of the strip (9) that is to be coiled moves past is moved away from the coil by an amount corresponding at least to the strip thickness (16), wherein the bracket (3) remains still but the pressing roller (2) after the beginning (14) of the strip has moved past is moved back again into the position relative to the bracket (3) assumed before the passing of the beginning (14) of the strip, and the bracket (3) during this return movement is moved away from the coil by the extent of this return movement.
  7. Method of coiling employing a strip coiler according to claim 2, characterized in that if the course of the strip deviates from the centered position, different contact pressures are applied via the two further adjustment devices (12), wherein the contact pressure is kept to be greater at the side at which the strip (9) veers outward, namely until the strip (9) has been guided back to the centered position.
EP96905587A 1995-03-27 1996-03-25 Strip winder Expired - Lifetime EP0817688B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0054995A ATA54995A (en) 1995-03-27 1995-03-27 TAPE REEL
AT549/95 1995-03-27
PCT/AT1996/000057 WO1996030137A1 (en) 1995-03-27 1996-03-25 Strip winder

Publications (2)

Publication Number Publication Date
EP0817688A1 EP0817688A1 (en) 1998-01-14
EP0817688B1 true EP0817688B1 (en) 1998-08-19

Family

ID=3493559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96905587A Expired - Lifetime EP0817688B1 (en) 1995-03-27 1996-03-25 Strip winder

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EP (1) EP0817688B1 (en)
AT (2) ATA54995A (en)
DE (1) DE59600458D1 (en)
WO (1) WO1996030137A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9715358D0 (en) * 1997-07-21 1997-09-24 Kvaerner Clecim Cont Casting Method of shearing and guiding metal strip and apparatus therefor
CN1247337C (en) 1997-11-27 2006-03-29 三菱重工业株式会社 Strip plate winding system
ITUD20030126A1 (en) 2003-06-09 2004-12-10 Simac Spa COILING SYSTEM FOR LAMINATE WITH PERFECTED COIL TRANSFER.
DE102005038572A1 (en) * 2005-08-12 2007-02-15 Emitec Gesellschaft Für Emissionstechnologie Mbh Apparatus and method for producing metallic honeycomb bodies having at least one mold segment
CN110723585A (en) * 2019-11-07 2020-01-24 太仓科力特金属构件科技有限公司 Winding device
CN110935746B (en) * 2019-11-29 2021-03-09 安徽万峰精工铝业科技有限公司 Aluminum plate coiling mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037869A1 (en) * 1970-07-30 1972-02-03 Siemag Siegener Masch Bau Coiler for hot wide strip - using pressure rollers and guides
DE2613453A1 (en) * 1976-03-30 1977-10-13 Bernhard Bruene Coiling machine for metal foil - is designed to eliminate vibrational stresses causing deformation of the foil
US4380164A (en) * 1981-01-19 1983-04-19 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Winding machine
JPS6097156A (en) * 1983-11-02 1985-05-30 Hitachi Ltd Down coiler
JPS629717A (en) * 1985-07-05 1987-01-17 Mitsubishi Heavy Ind Ltd Coiler

Also Published As

Publication number Publication date
DE59600458D1 (en) 1998-09-24
ATE169847T1 (en) 1998-09-15
ATA54995A (en) 1999-07-15
EP0817688A1 (en) 1998-01-14
WO1996030137A1 (en) 1996-10-03

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