EP0817688A1 - Strip winder - Google Patents

Strip winder

Info

Publication number
EP0817688A1
EP0817688A1 EP96905587A EP96905587A EP0817688A1 EP 0817688 A1 EP0817688 A1 EP 0817688A1 EP 96905587 A EP96905587 A EP 96905587A EP 96905587 A EP96905587 A EP 96905587A EP 0817688 A1 EP0817688 A1 EP 0817688A1
Authority
EP
European Patent Office
Prior art keywords
pressure roller
tape
reel
holding arm
mandrel
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
EP96905587A
Other languages
German (de)
French (fr)
Other versions
EP0817688B1 (en
Inventor
Friedrich Moser
Johann Oberhumer
Hannu SEPPÄNEN
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.)
Primetals Technologies Austria GmbH
Original Assignee
Voest Alpine Industrienlagenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voest Alpine Industrienlagenbau GmbH filed Critical Voest Alpine Industrienlagenbau GmbH
Publication of EP0817688A1 publication Critical patent/EP0817688A1/en
Application granted granted Critical
Publication of EP0817688B1 publication Critical patent/EP0817688B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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 strip reel with at least one against a reel mandrel by means of an actuating device on adjustable pressure roller for pressing band-shaped winding material onto the reel mandrel.
  • the pressure roller is rotatably mounted on a holding arm and is movable in an approximately radial direction with respect to the coiler mandrel. the holding arm by means of the
  • Actuating device can be moved and pressed against the coiler mandrel and the pressure roller can be moved away from the coiler mandrel by at least the tape thickness by means of an actuating device controlled by a control device when the strip start is approaching. and a method of reeling.
  • the pressure rollers of a strip reel are pressed with constant force against the strip layers wound on the reel mandrel until friction between the reel mandrel and the beginning of the strip ensures slip-free reeling of the strip without further support from the pressure rollers. 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 tape is turned
  • the band pressure rollers arranged around the band reel are each individually arranged at one end of a swing frame by means of bearing blocks.
  • the swinging frame is pivotally supported and is supported by a pressure medium cylinder actuated, which is activated by a controller.
  • a pressure medium cylinder actuated which is activated by a controller.
  • the time between lifting off and pressing a pressure roller again should be kept as short as possible in order to avoid slippage of the band relative to the reel mandrel, especially if only a small number of pressure rollers is provided.
  • one is limited in the prior art due to the large masses to be moved, i.e. it takes a relatively long time for a pressure roller to be properly pressed against the coil after it has been lifted off.
  • the pressure roller as known per se, can be moved relative to the holding arm by means of a further actuating device and that the further actuating device is connected to the control device causing the pressure roller to move away when the beginning of the tape approaches.
  • the training according to the invention makes it possible. to keep the masses that are to be moved briefly and very quickly during a "step control" movement as low as possible.
  • the adjusting device moving the holding arm is used, whereas the other adjusting device is independent only the pressure roller has to move from the first actuating device, ie independently of a movement of the holding arm
  • Actuator can therefore be dimensioned much smaller: it only needs to move the pressure roller to carry out the "step control" steps.
  • An embodiment preferred according to the invention is characterized in that a bearing of the pressure roller is guided in a guide of the holding arm approximately in the radial direction to the reel mandrel and the further actuating device acts directly on the bearing.
  • Holding arms is guided. with another actuator directly attacking each of the bearings.
  • a device of this type it is also possible to counteract a lateral run and thus an increasingly eccentric winding of the tape, by applying different contact pressures against the bundle wrap via the two further adjusting devices of the first pressure roller in the direction of entry. By applying an increased pressure on the side on which the band deflects outwards, the band is returned to the center position.
  • the holding arm preferably has a guide for a guide piece of the pressure roller for moving the same approximately in a radial direction to the reel mandrel, the length of the guide and the further adjusting device for moving the pressure roller being dimensioned by a multiple of the thickness of the tape to be wound up.
  • a preferred embodiment is characterized in that the holding arm has a guide for a guide piece of the pressure roller for moving it in an approximately radial direction to the coiler mandrel, the length of the guide and the further adjusting device for moving the pressure roller in an area corresponding approximately to the thickness of the
  • An advantageous method for reeling with a tape reel according to the invention is characterized in that the pressure roller is moved away from the coil roll by at least an amount corresponding to the tape thickness each time the tape start of the tape to be wound is moved past. with the holding arm about to stand still
  • the pressure roller is preferably moved away from the bundle roll by at least an amount corresponding to the strip thickness each time the strip start of the strip to be wound is moved past, the holding arm standing still, but the pressure roller being moved back to the position assumed before the strip start moved past in relation to the holding arm and during this backward movement the holding arm is moved away from the coil by the amount of this backward movement.
  • This method is particularly expedient since it avoids that the distance between the outermost band layer and the holding arm carrying a pressure roller, which is usually also provided with a guide ruler. gets smaller with every revolution.
  • FIG. 1 showing a side view of a tape reel according to a first embodiment
  • FIG. 2 showing a detail of a tape reel according to another embodiment
  • Fig. 3 illustrates a tape reel according to a weathered embodiment in oblique view.
  • a reel mandrel 1 which is optionally expandable.
  • three pressure rollers 2 arranged.
  • Each of the pressure rollers 2 is arranged in its own holding arm 3, which is designed as a swing arm.
  • the holding arms 3 are each pivotally mounted about a pivot axis 4 on a stationary 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 designed as hydraulic pressure medium cylinders.
  • Each holding arm 3 has an extension 8 in the tape running direction 7 or winding direction. which forms a guide runner for the band 9 to be wound up, so that when the pressure rollers 2 are pressed against the coiler mandrel 1, an almost closed guide path is formed.
  • Each of the holding arms 3 has guides 10, which are aligned approximately radially to the coiler mandrel 1 and in which bearings 11 arranged at the end of the pressure rollers 2 are displaceably guided.
  • a displacement movement of the pressure rollers 2 in the direction of the coiler mandrel 1 and in the opposite direction can be brought about by means of further second actuating devices 12, each of which acts directly on a bearing 11 of the pressure rollers 2.
  • the further actuating devices 12 are preferably pressure medium cylinders, in particular hydraulic cylinders.
  • the one via a belt guide 13 formed by rollers and a not shown
  • Infeed belt guide to the reel mandrel 1 is wound around the reel mandrel 1 due to the clamping force acting between the pressure rollers 2 and the reel mandrel 1 and thus initially forms a first band layer.
  • the pressure rollers 2 are moved by means of the second adjusting devices 12
  • Coiler mandrel 1 moves away, the second actuating devices 12 being activated by a control device 15.
  • the first actuating devices 6 moving the holding arms 3 remain constantly acted upon without being influenced by the control device.
  • the brief and sudden movement of the pressure rollers 2 takes place by an amount that corresponds at least to the thickness 16 of the belt 9.
  • the second actuating device 12 is activated further until the bearings 11 of the pressure roller 2 in turn assume the position along the guides 10 that the strip beginning 14 has moved past.
  • the holding arm 3 is removed from the coil by the amount of this
  • Fig. 3. is the holding arm 3 of two side walls 3 ', 3 ", which are connected by a cross member 3'" to form a unit.
  • the first adjusting device 6 for moving the holding arm 3 acts on this cross member 3 ′′
  • Coiler mandrel I directed ends of the side cheeks 3 ', 3' 'have the guides 10 for the bearings 1 1 of the pressure roller 2.
  • the second actuating devices 12 acting on the bearings 11 arranged at the end of the pressure roller 2 can preferably independently of one another support 11 with different, directed against the reel mandrel 1

Landscapes

  • 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

Bandhaspel  Reel
Die Erfindung betrifft eine Bandhaspel mit mindestens einer gegen einen Haspeldorn mittels einer Stelleinrichtung an stell baren 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 The invention relates to a strip reel with at least one against a reel mandrel by means of an actuating device on adjustable pressure roller for pressing band-shaped winding material onto the reel mandrel. wherein the pressure roller is rotatably mounted on a holding arm and is movable in an approximately radial direction with respect to the coiler mandrel. the holding arm by means of the
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. sowie ein Verfahren zum Haspeln. Actuating device can be moved and pressed against the coiler mandrel and the pressure roller can be moved away from the coiler mandrel by at least the tape thickness by means of an actuating device controlled by a control device when the strip start is approaching. and a method of reeling.
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 of a strip reel are pressed with constant force against the strip layers wound on the reel mandrel until friction between the reel mandrel and the beginning of the strip ensures slip-free reeling of the strip without further support from the pressure rollers. This usually requires several layers of tape on the coiler mandrel.
Beim Wickeln der ersten Bandlagcn 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 When the first tape layers are wound, 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 tape is turned
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. The beginning of the tape against this step and press the front edge of the beginning of the tape into the tape position wrapped over it. This is repeated when the following strip layers are reeled with decreasing impact load and less damage to the strip surface of the further strip 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„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, in particular during the first five to six tape layers, shortly before the beginning of the tape moves past the pressure rollers essentially radially in order to lift at least the tape thickness from the bundle roll and to press it back onto the bundle roll immediately after this stage has passed. This principle is known in the art as "step control".
Üblicherweise sind die um die Bandhaspel verteilt angeordneten Bandandrückrollen jede für sich an einem Ende eines Schwingrahmens mittels Lagerböcke angeordnet. Der Usually, the band pressure rollers arranged around the band reel are each individually arranged at one end of a swing frame by means of bearing blocks. The
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. The swinging frame is pivotally supported and is supported by a pressure medium cylinder actuated, which is activated by a controller. Such solutions are known for example from 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 Druckmittelzy lindern gesteuerten, die Andrückrollen tragenden Schwingrahmen ebenfalls als Ganzes stufenweise bewegt werden. From JP-A2 - 57-9531 a tape reel with "step control" mode of operation is known, in which the oscillating frames, which are controlled by pressure medium cylinders and carry the pressure rollers, are also moved in stages as a whole.
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 tape is brought up to 6 m / s to the tape reel and the reel mandrel rotates at up to 3 U / s - it is necessary to carry out the movements of the oscillating frame to carry out the "step control" for the purpose of moving the pressure rollers from a pressure position to a lifted-off position and, if necessary, back again within a very short period of time - within approximately 0.1 s. Large masses must therefore be accelerated and decelerated again within this very short period of time Dimensioned actuators for moving the swing frame and 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 kept as short as possible in order to avoid slippage of the band relative to the reel mandrel, especially if only a small number of pressure rollers is provided. Here one is limited in the prior art due to the large masses to be moved, i.e. it takes a relatively long time for a pressure roller to be properly pressed against the coil after it has been lifted off.
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 The invention aims to avoid these disadvantages and difficulties and has as its object to create a strip reel with which step control can be carried out in a simple manner and without great effort
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 Ansteilen einer Andrückrolle extrem kurz gehalten werden kann und die Andrückrolle eine exakte Bewegung ausführt. intended actuators only be small and still be able to perform a fast and controlled movement of the pressure roller. That that the time period between lifting and repeated portions of a pressure roller can be kept extremely short and the pressure roller performs an exact movement.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Andrückrolle, wie an sich bekannt, gegenüber dem Haltearm mittels einer weiteren Stelleinrichtung bewegbar ist und daß die weitere Stelleinrichtung mit der das Wegbewegen der Andrückrolle bei Annähern des Bandanfanges verursachenden Steuereinrichtung verbunden ist. 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 This object is achieved in that the pressure roller, as known per se, can be moved relative to the holding arm by means of a further actuating device and that the further actuating device is connected to the control device causing the pressure roller to move away when the beginning of the tape approaches. The training according to the invention makes it possible. to keep the masses that are to be moved briefly and very quickly during a "step control" movement as low as possible. To ensure a constant contact pressure during the reeling process when reeling the first layers of tape, the adjusting device moving the holding arm is used, whereas the other adjusting device is independent only the pressure roller has to move from the first actuating device, ie independently of a movement of the holding arm
Stelleinrichtung kann daher wesentlich kleiner dimensioniert sein: sie braucht ja lediglich die Andrückrolle zur Durchführung der ,,step control"-Schritte zu bewegen. Actuator can therefore be dimensioned much smaller: it only needs to move the pressure roller to carry out the "step control" steps.
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 From US-A-4,964,587 it is known to move a pressure roller relative to the holding arm by means of a further actuating device. This further actuating device is provided in addition to the actuating device that moves the holding arm. Moving the pressure roller by means of the further adjusting device serves to improve the response of the pressure roller when the winding bundle becomes thicker, i.e. the angle α between the through the axis of the
Wickeldornes gelegten radialen Richtung und der zur Bewegungsrichtung der Andrückrolle gelegten Tangentiallinie zu minimieren. To minimize the mandrel radial direction and the tangential line to the direction of movement of the pressure roller.
Eine erfindungsgemäß bevorzugte Ausführungsform ist dadurch gekennzeichnet, 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. An embodiment preferred according to the invention is characterized in that a bearing of the pressure roller is guided in a guide of the holding arm approximately in the radial direction to the reel mandrel and the further actuating device acts directly on the bearing.
Eine besonders vorteilhafte Ausführungsform ist dadurch gekennzeichnet, daß eine A particularly advantageous embodiment is characterized in that a
Andrückrolle mit jeweils einem an ihren Enden angeordneten Lager in Führungen des Pressure roller, each with a bearing arranged at its ends in guides of the
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. Holding arms is guided. with another actuator directly attacking each of the bearings. With a device of this type, it is also possible to counteract a lateral run and thus an increasingly eccentric winding of the tape, by applying different contact pressures against the bundle wrap via the two further adjusting devices of the first pressure roller in the direction of entry. By applying an increased pressure on the side on which the band deflects outwards, the band is returned to the center 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. 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 The holding arm preferably has a guide for a guide piece of the pressure roller for moving the same approximately in a radial direction to the reel mandrel, the length of the guide and the further adjusting device for moving the pressure roller being dimensioned by a multiple of the thickness of the tape to be wound up. A preferred embodiment is characterized in that the holding arm has a guide for a guide piece of the pressure roller for moving it in an approximately radial direction to the coiler mandrel, the length of the guide and the further adjusting device for moving the pressure roller in an area corresponding approximately to the thickness of the
aufzuwickelnden Bandes beinessen sind. tape to be wound.
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 wnd. wobei der Haltearm etwa stillsteht An advantageous method for reeling with a tape reel according to the invention is characterized in that the pressure roller is moved away from the coil roll by at least an amount corresponding to the tape thickness each time the tape start of the tape to be wound is moved past. with the holding arm about to stand still
Vorzugsweise wird die Andruckrolle bei jedem Vorbeibewegen des Bandanfanges des aufzuwickelnden Bandes um mindestens einen der Banddicke entsprechenden Betrag vom Bundwickel wegbewegt, wobei der Haltearm stillsteht, die Andrückrolle nach Vorbeilauf des Bandanfanges jedoch wiedei in die vor dem Vorbeibewegen des Bandanfanges gegenüber dem Haltearm eingenommene Position zurückbewegt wird und der Haltearm während dieser Zuruckbewegung 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. The pressure roller is preferably moved away from the bundle roll by at least an amount corresponding to the strip thickness each time the strip start of the strip to be wound is moved past, the holding arm standing still, but the pressure roller being moved back to the position assumed before the strip start moved past in relation to the holding arm and during this backward movement the holding arm is moved away from the coil by the amount of this backward movement. This method is particularly expedient since it avoids that the distance between the outermost band layer and the holding arm carrying a pressure roller, which is usually also provided with a guide ruler. gets smaller with every revolution.
Zur Sicherung einer Mittenlage des Bandes während des Aufwickeins 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, großer 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, different contact pressures are expediently applied when the tape course deviates from the central position via the two further adjusting devices, the contact pressure on the side on which the tape deflects outwards being kept large, etc. until the tape is returned to the center position
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 wetteren Austührungsform im Schrägriß. The invention is explained in more detail below with reference to the drawing in a schematic representation, with FIG. 1 showing a side view of a tape reel according to a first embodiment and FIG. 2 showing a detail of a tape reel according to another embodiment. Fig. 3 illustrates a tape reel according to a weathered 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 Druckmittel zylinder ausgebildet. According to the strip reel shown in Fig. 1 are around the circumference of a reel mandrel 1, which is optionally expandable. three pressure rollers 2 arranged. Each of the pressure rollers 2 is arranged in its own holding arm 3, which is designed as a swing arm. The holding arms 3 are each pivotally mounted about a pivot axis 4 on a stationary 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 embodiment, the actuating devices 6 are designed as hydraulic pressure medium cylinders.
Jeder Haltearm 3 weist in Bandlaufrichtung 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 tape running direction 7 or winding direction. which forms a guide runner for the band 9 to be wound up, so that when the pressure rollers 2 are pressed against the coiler mandrel 1, an almost closed guide path is formed.
Die Anordnung der Schwenkachsen 4 und Haltearme 3 ist so getroffen, daß sich die The arrangement of the pivot axes 4 and 3 holding arms is such that the
Andrückrollen 2 bei Verschwenken der Haltearme 3 in etwa radialer Richtung zum Haspeldorn 1 bewegen. Move pressure rollers 2 when pivoting the holding arms 3 in an approximately radial direction to the coiler mandrel 1.
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 1 1 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 1 1 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 to the coiler mandrel 1 and in which bearings 11 arranged at the end of the pressure rollers 2 are displaceably guided. A displacement movement of the pressure rollers 2 in the direction of the coiler mandrel 1 and in the opposite direction can be brought about by means of further second actuating devices 12, each of which acts directly on a bearing 11 of the pressure rollers 2. The further actuating devices 12 are preferably pressure medium cylinders, in particular hydraulic cylinders.
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 The one via a belt guide 13 formed by rollers and a not shown
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 Infeed belt guide to the reel mandrel 1 is wound around the reel mandrel 1 due to the clamping force acting between the pressure rollers 2 and the reel mandrel 1 and thus initially forms a first band layer. As soon as the second layer of tape is wound on the first layer of tape, when the beginning of the tape 14 moves past the pressure rollers 2, the pressure rollers 2 are moved by means of the second adjusting devices 12
Haspeldorn 1 wegbewegt, wobei die zweiten Stelleinrichtungen 12 von einer Steuereinrichtung 15 aktiviert werden. Coiler mandrel 1 moves away, the second actuating devices 12 being activated by a control device 15.
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 1 1 der Andrückrolle 2 wiederum die vor Vorbeibewegen des Bandanfanges 14 eingenommene Lage entlang der Führungen 10 einnehmen. Während dieses Zurückbewegens der Lager 1 1 in die vorher eingenommene Position wird der Haltearm 3 vom Bundwickel um das Maß dieser The first actuating devices 6 moving the holding arms 3 remain constantly acted upon without being influenced by the control device. The brief and sudden movement of the pressure rollers 2 takes place by an amount that corresponds at least to the thickness 16 of the belt 9. Immediately after the beginning of the band 14 has moved past the activated pressure roller 2, it is pressed again against the reel mandrel 1 by activating the second actuating device 12 in the opposite direction. Preferably the second actuating device 12 is activated further until the bearings 11 of the pressure roller 2 in turn assume the position along the guides 10 that the strip beginning 14 has moved past. During this movement back of the bearings 1 1 into the previously assumed position, the holding arm 3 is removed from the coil by the amount of this
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 Backward movement. thus moved away by at least the strip thickness 16, either by means of the first adjusting devices 6 or by setting a pressure difference between the pressures applied by the first and second adjusting devices 6 and 12 and directed against the coil. As a result, the distance of the guide runners 8 from the bundle winding or the degree of protrusion of the pressure rollers 2 over the guide runners 8 remains during
Wickelvorganges gleich groß. 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 execution 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 bearing 11 The heavy, massive holding arm 3 need not take any account of this movement which can be carried out very quickly by the pressure roller 2. It 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 As can be seen from Fig. 3. is the holding arm 3 of two side walls 3 ', 3 ", which are connected by a cross member 3'" to form a unit. The first adjusting device 6 for moving the holding arm 3 acts on this cross member 3 ″
Haspeldorn I gerichteten Enden der Seitenwangen 3', 3'' weisen die Führungen 10 für die Lager 1 1 der Andrückrolle 2 auf. Die an den endseitig der Andrückrolle 2 angeordneten Lagern 1 1 angreifenden zweiten Stelleinrichtungen 12 können vorzugsweise unabhängig voneinander die Lager 1 1 mit unterschiedlichen, gegen den Haspeldorn 1 gerichteten Coiler mandrel I directed ends of the side cheeks 3 ', 3' 'have the guides 10 for the bearings 1 1 of the pressure roller 2. The second actuating devices 12 acting on the bearings 11 arranged at the end of the pressure roller 2 can preferably independently of one another support 11 with different, directed against the reel mandrel 1
Anpreßdrücken beaufschlagen, was eine gewisse Schiefstellung dieser Andrückrolle 2 gegenüber dem Haspeldorn 1 , wie mit strichlierten Linien veranschaulicht ist, ermöglicht. Apply pressure, which allows a certain inclination of this pressure roller 2 relative 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 makes it possible, by applying an increased pressure on one side, on which the band 9 deflects outwards during lateral winding (see arrows 17 of FIG. 3) during the winding process, to return the band 9 to the central position, so that a bundle can be wrapped without protruding band edges.

Claims

Patentansprüche: Claims:
1. Bandhaspel mit mindestens einer gegen einen Haspeldorn (1 ) mittels einer 1. reel with at least one against a reel mandrel (1) by means of a
Stelleinrichtung (6) anstellbaren Andrückrolle (2) zum Anpressen von bandförmigem Adjusting device (6) adjustable pressure roller (2) for pressing band-shaped
Wickelgut (9) an den Haspeldorn ( 1 ), wobei die Andrückrolle (2) an einem Haltearm (3) drehbar sowie gegenüber dem Haspeldorn ( 1 ) in etwa radialer Richtung beweglich gelagert ist, der Haltearm (3) mittels der Stelleinrichtung (6) gegen den Haspeldorn (1 ) bewegbar und preßbar ist und die Andrückrolle (2) bei Annähern des Bandanfanges (14) um mindestens die Banddicke ( 16) vom Haspeldorn ( 1 ) mittels einer von einer Steuereinrichtung (15) Winding material (9) on the reel mandrel (1), the pressure roller (2) being rotatably mounted on a holding arm (3) and movable in an approximately radial direction relative to the reel mandrel (1), the holding arm (3) by means of the adjusting device (6) can be moved and pressed against the reel mandrel (1) and the pressure roller (2) when the strip start (14) approaches by at least the strip thickness (16) from the reel mandrel (1) by means of a control device (15)
angesteuerten Stelleinrichtung ( 12) wegbewegbar ist, dadurch gekennzeichnet, daß die Andrückrolle (2), wie an sich bekannt, gegenüber dem Haltearm (3) mittels einer weiteren Stelleinrichtung (12) bewegbar ist und daß die weitere Stelleinrichtung ( 12) mit der das Wegbewegen der Andrückrolle (2) bei Annähern des Bandanfanges (14) verursachenden Steuereinrichtung ( 15) verbunden ist. controlled actuating device (12) can be moved away, characterized in that the pressure roller (2), as is known per se, can be moved relative to the holding arm (3) by means of a further actuating device (12) and in that the further actuating device (12) is used to move it away the pressure roller (2) is connected when the tape start (14) causes the control device (15).
2. Bandhaspel nach Anspruch 1 , dadurch gekennzeichnet, daß ein Lager (11 ) der Andrückrolle (2) in einer Führung (10) des Haltearmes (3) in etwa zum Haspeldorn (1) radialer Richtung geführt ist und die weitere Stelleinrichtung ( 12) an dem Lager (1 1 ) direkt angreift. 2. reel according to claim 1, characterized in that a bearing (11) of the pressure roller (2) in a guide (10) of the holding arm (3) is guided approximately to the reel mandrel (1) radial direction and the further adjusting device (12) attacks directly on the bearing (1 1).
3. Bandhaspel nach Anspruch 2, dadurch gekennzeichnet, daß eine Andrückrolle (2) mit jeweils einem an ihren Enden angeordneten Lager ( 1 1 ) in Führungen (10) des Haltearmes (3) geführt ist, wobei an jedem der Lager ( 1 1 ) eine weitere Steileinrichtung (12) direkt angreift. 3. Band reel according to claim 2, characterized in that a pressure roller (2), each with a bearing arranged at its ends (1 1) is guided in guides (10) of the holding arm (3), with each of the bearings (1 1) another steep device (12) attacks directly.
4. Bandhaspel nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Haltearm (3) eine Führung ( 10) für ein Führungsstück ( 1 1 ) der Andrückrolle (3) zum Bewegen derselben in etwa radialer Richtung zum Haspeldorn ( 1 ) aufweist, wobei die Länge der Führung (10) sowie die weitere Stelleinrichtung ( 12) zum Bewegen der Andrückrolle (2) um ein Mehrfaches der Dicke ( 16) des aufzuwickelnden Bandes (9) bemessen sind. 4. Band reel according to one or more of claims 1 to 3, characterized in that the holding arm (3) has a guide (10) for a guide piece (1 1) of the pressure roller (3) for moving the same in approximately radial direction to the reel mandrel (1 ), the length of the guide (10) and the further adjusting device (12) for moving the pressure roller (2) being dimensioned a multiple of the thickness (16) of the tape (9) to be wound up.
5. Bandhaspel nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet daß der Haltearm (3) eine Führung ( 10) für ein Führungsstück ( 1 1 ) der Andrückrolle (2) zum Bewegen derselben in etwa radialer Richtung zum Haspeldorn (1 ) aufweist, wobei die Länge der Führung ( 10) sowie die weitere Stelleinrichtung ( 12) zum Bewegen der Andrückrolle (2) in einem Bereich entsprechend etwa der Dicke ( 16) des aufzuwickelnden Bandes (9) bemessen sind. 5. reel according to one or more of claims 1 to 3, characterized in that the holding arm (3) a guide (10) for a guide piece (1 1) of the pressure roller (2) for moving the same in approximately radial direction to the reel mandrel (1) The length of the guide (10) and the further adjusting device (12) for moving the pressure roller (2) are dimensioned in an area corresponding approximately to the thickness (16) of the band (9) to be wound up.
6. Verfahren zum Haspeln mit einer Bandhaspel nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Andrückrolle (2) bei jedem Vorbeibewegen des Bandanfanges ( 14) des aufzuwickelnden Bandes (9) um mindestens einen der Banddicke (16) entsprechenden Betrag vom Bundwickel wegbewegt wird, wobei der Haltearm (3) etwa stillsteht. 6. A method for reeling with a tape reel according to one or more of claims 1 to 4, characterized in that the pressure roller (2) each time the tape start (14) of the tape to be wound up (9) by at least one of the tape thickness (16) corresponding Amount is moved away from the coil, with the holding arm (3) standing still approximately.
7. Verfahren zum Haspeln mit einer Bandhaspel nach einem oder mehreren der Ansprüche 1, 2, 3 und 5, dadurch gekennzeichnet, daß die Andrückrolle (2) bei jedem Vorbeibewegen des Bandanfanges ( 14) des aufzuwickelnden Bandes (9) um mindestens einen der Banddicke (16) entsprechenden Betrag vom Bundwickel wegbewegt wird, wobei der Haltearm (3) stillsteht, die Andrückrolle (2) nach Vorbeilauf des Bandanfanges ( 14) jedoch wieder in die vor dem Vorbeibewegen des Bandanfanges ( 14) gegenüber dem Haltearin (3) eingenommene Position zurückbewegt wird und der Haltearm (3) während dieser Zurückbewegung vom Bundwickel um das Maß dieser Zurückbewegung wegbewegt wird. 7. A method of reeling with a tape reel according to one or more of claims 1, 2, 3 and 5, characterized in that the pressure roller (2) each time the tape start (14) of the tape (9) to be wound is moved past by at least one of the tape thickness (16) corresponding amount is moved away from the bundle wrap, the holding arm (3) standing still, but the pressure roller (2) after passing the beginning of the tape (14) back into the position assumed before the beginning of the tape (14) moves past the holding arena (3) is moved back and the holding arm (3) is moved away from the coil during the return movement by the amount of this return movement.
8. Verfahren zum Haspeln mit einer Bandhaspel nach Anspruch 3, dadurch 8. A method of reeling with a reel according to claim 3, characterized
gekennzeichnet, daß bei Abweichen des Bandverlaufes von der Mittenlage über die beiden weiteren Stelleinrichtungen ( 12) unterschiedliche Anpreßdrücke aufgebracht werden, wobei der Anpreßdruck an der Seite, an der das Band (9) nach außen auslenkt, größer gehalten wird, u.zw, so lange, bis das Band (9) wieder in die Mittenlage zurückgeführt ist. characterized in that when the band course deviates from the central position via the two further adjusting devices (12) different contact pressures are applied, the contact pressure on the side on which the band (9) deflects outwards is kept larger, and so on long until the band (9) is returned to the central 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
AT549/95 1995-03-27
AT0054995A ATA54995A (en) 1995-03-27 1995-03-27 TAPE REEL
PCT/AT1996/000057 WO1996030137A1 (en) 1995-03-27 1996-03-25 Strip winder

Publications (2)

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

Family

ID=3493559

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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)

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Publication number Priority date Publication date Assignee Title
CN110935746A (en) * 2019-11-29 2020-03-31 湖州金丰新材有限公司 Aluminum plate coiling mechanism

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GB9715358D0 (en) * 1997-07-21 1997-09-24 Kvaerner Clecim Cont Casting Method of shearing and guiding metal strip and apparatus therefor
EP1398092B1 (en) 1997-11-27 2012-08-15 Mitsubishi Heavy Industries, Ltd. Band 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

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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

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110935746A (en) * 2019-11-29 2020-03-31 湖州金丰新材有限公司 Aluminum plate coiling mechanism
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

Also Published As

Publication number Publication date
EP0817688B1 (en) 1998-08-19
ATE169847T1 (en) 1998-09-15
ATA54995A (en) 1999-07-15
DE59600458D1 (en) 1998-09-24
WO1996030137A1 (en) 1996-10-03

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