EP2822712B1 - Method and device for winding a material web - Google Patents
Method and device for winding a material web Download PDFInfo
- Publication number
- EP2822712B1 EP2822712B1 EP13704758.5A EP13704758A EP2822712B1 EP 2822712 B1 EP2822712 B1 EP 2822712B1 EP 13704758 A EP13704758 A EP 13704758A EP 2822712 B1 EP2822712 B1 EP 2822712B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support rollers
- pivoting
- axes
- rotation
- winding
- 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.)
- Not-in-force
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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
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/3408—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material
- B21C47/3425—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material without lateral edge contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/0328—Controlling transverse register of web by moving the winding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/15—Roller assembly, particular roller arrangement
- B65H2404/152—Arrangement of roller on a movable frame
- B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
- B65H2404/15212—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis rotating, pivoting or oscillating around an axis perpendicular to the roller axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/20—Specific machines for handling web(s)
- B65H2408/23—Winding machines
- B65H2408/232—Winding beds consisting of two rollers
- B65H2408/2326—Winding beds consisting of two rollers at least one of the winding rollers being movable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
Definitions
- the invention relates to a method and an apparatus for winding a material web, in particular a metal strip, wherein a collar is supported during the winding process by at least two rotationally driven support rollers (see, for example KR 1020040056824 A ).
- a band-shaped material is wound into a winding roll, in which one strives for the most uniform possible edge coverage.
- metallic rolling stock such as a steel strip or an aluminum strip
- the rolling strip running out of a rolling mill is wound into a bundle.
- a sample of the metal strip is subjected to an inspection.
- a piece of the rolled strip is unwound by the Federal Government and wound back after checking.
- the problem arises that with increasing unwinding length there is a risk that the rolled strip runs laterally.
- the consequence of this is then a metal collar telescoped at least on the outer turns. From the end face of the metal collar protruding metal band can then be easily damaged during transport in subsequent process steps. Overall, the metal collar can be reduced in its value.
- the weight force of the collar resting on the support rollers is generated by the inclination of support rollers or bottom rollers, a horizontal force component which is used to counteract the lateral running of a material web.
- This is achieved by pivoting by means of a pivoting device, the two or more support rollers together about a pivot axis between a first, substantially horizontal position, in a second, with respect to the horizontal position inclined position.
- the axes of the support rollers can be inclined in opposite directions to the lateral extent of the band with respect to the horizontal, one can maintain the edge coverage at the waistband when (re) winding a metal strip.
- the two support rollers are inclined so that the web edge comes back to the end face.
- the inclination of the support rollers can do so It will be understood that one end face is lowered with respect to the horizontal, depending on which side the web edge is running from the end face. But the inclination of the support rollers can also be done so that similar to a balance beam one end of the collar lowered and at the same time the other is raised.
- the pivoting operation can be controlled manually in the simplest case, for example, by an operating staff watching the process when rewinding the metal strip. If visually a lateral bleeding of the metal strip is detected, then a corresponding tilting movement is triggered by an operating device by hand.
- a metal collar In rolling mill technology, a metal collar, a so-called coil, can be for example 40 tons. To tilt this heavy weight, a correspondingly configured drive device is required, which is able to apply the force required for the pivoting movement.
- This power generation can be done for example by one or more hydraulic piston-cylinder units, or by an electric drive in conjunction with a spindle.
- the control of the axial tilt can also be done by an automatically operating device.
- the weight of a metal collar is used very efficiently to produce a horizontal force component directed counter to the strip. Due to the axial inclination of the support rollers according to the invention it is achieved that after the inspection of a metal collar, the end faces are flat.
- the pivoting device on a special support device in which the at least two rotationally driven support rollers are rotatably mounted.
- the support device may for example be a metal frame which is designed in the manner of a balance beam, that is, the frame is pivotable relative to a pivot axis, for example by being centrally supported.
- the pivot axis passes through the crossbar of the frame.
- the frame is constructed so that spatially seen, the axes of rotation of the support rollers and the pivot axis intersect each other, but do not intersect.
- the support rollers are each pivotable about a pivot angle, which is infinitely predetermined. This can be counteracted a very differentiated a bleeding of the material web. Again, the weight is used to prevent lateral bleeding of the band-shaped material. Compared to a lateral displacement of the support rollers, the pivoting process requires less energy.
- the pivoting movement is a lowering movement, that is to say if the pivoting plane respectively spanned by the pivoting movement of the axes of rotation of the supporting rollers is perpendicular.
- a suitable sensor can operate according to different measuring principles, for example tactile or non-contact, for example a Ultrasonic sensor or an optically operating system.
- the web edge sensor supplies a position information that is fed to the pivoting device. When specifying the swivel angle, this position information is considered accordingly.
- the technical design of such a pivoting device essentially comprises an information processing unit, for example a computer, which causes a drive device for generating the pivoting movement via corresponding control signals. Both are basically commercially available, can be used appropriately adjusted with little effort and therefore need not be explained in detail here in detail.
- FIG. 1 and the FIG. 2 show in a schematic representation of the principle of the present invention. Shown is the situation of a covenant 1, which rests on two support or floor rolls 2, 3. Such a collar may for example be a metal collar.
- a piece of a material web 14, hereinafter also referred to as a metal strip, rolled strip or rolling stock should first be unwound and then wound back again.
- a rotary drive 7 sets the two rollers 2, 3 in a rotary motion.
- the metal strip 14 thus runs in the direction of the strip running direction 10 toward the rotating metal collar 1. It may, as shown initially, come to an undesirable lateral bleeding of the metal strip 14.
- the result is a telescoping of the metal collar 1, which is undesirable because protruding edges arise that can be damaged and affect the value of the metal collar.
- a steering of the collar 1 tapered web 14 can prevent this.
- this band deflection is carried out so that the support or bottom rollers 2 and 3, which form a so-called “winding trough” or a “winding bed” for the metal collar 1, are lowered or raised on the head or foot side. By this correction, a very good edge coverage of the metal collar 1 can be achieved.
- the band steering can be basically controlled manually or automatically.
- the force for the pivoting movement in the direction of the arrow D can be generated in various ways, for example hydraulically or electrically.
- the axes of rotation 5, 6 of the two support rollers 2, 3 in the present example are parallel to one another and lie in a horizontal plane.
- the unilateral lowering movement of the support roller axes 5, 6 takes place synchronously in the present embodiment, that is, the swept per unit time pivot angle is the same for both support rollers 2, 3.
- the steering of the rolled strip can be controlled manually or automatically.
- an automatic strip deflection is indicated by a web edge sensor 4, the sensor signal 13 of the pivoting device 11 is fed.
- the pivoting device 11 includes a corresponding signal processing. This uses the sensor signal 13 as a control signal for a in FIGS. 1 and 2 not shown drive device.
- FIG. 3 shows a possible embodiment of the invention, in which the axes of rotation 5, 6 of the support rollers 2, 3 are rotatably mounted in a frame member in each case end side in a support device 16 designed as a balance beam.
- the frame part 16 is rotatable about a pivot axis 18.
- This movement is produced by means of a pivoting drive 15, in the present example a piston-cylinder unit which acts on the right on the frame part 16 and moves either upwards or downwards on this side.
- the collar axis 8 runs parallel to the inclination of the axes of rotation 5 ', 6' or 5 ", 6". Following its gravity, the collar 1 will follow the sloping side, whereby its own weight in the steering of the metal strip 14 can be exploited and a lateral bleeding can be counteracted in an efficient manner.
- pivoting device 11 as consists essentially of the frame part 16 and the drive unit 15, need not be discussed here in detail, since these units can be assumed to be known or commercially available. It should also be noted again that the pivoting device 11 can be operated both manually and automatically.
- the pivot axis 18 is symmetrical on the line of an axis of symmetry 17, which marks a central region of the winding device. As explained below, this is not absolutely necessary.
- FIG. 4 illustrates this again in a spatial representation.
- the pivoting movement according to the arrow 19 about the pivot angle 12 takes place in a vertical pivot plane 50 and 60, respectively.
- FIG. 5 shows the arrangement of the two axes of rotation 5, 6 with respect to the pivot axis 18 according to the embodiment of FIG. 4 ,
- the pivot axis 18 does not intersect the two axes of rotation 5, 6, but is located at a vertical distance therefrom.
- the pivoting movement is again indicated, whereby the axis inclination between the position 5 ', 6' and 5 ", 6" is infinitely adjustable.
- FIG. 6 shows the sketch in FIG. 6 another possible embodiment in which the pivot axis 18, the axes of rotation 5, 6 intersects. Again, every one of them is here both axes of rotation 5, 6 between the position 5 ', 6' and 5 ", 6" continuously adjustable.
- the two axes of rotation 5, 6 are parallel to each other and extend approximately in a horizontal plane. But this is not mandatory. It also seems possible that the two axes of rotation 5, 6, although parallel to each other, but with respect to the pivot axis 18 have a different distance.
- the pivoting movement can be carried out so that the opposite end side is lowered or raised.
- the pivoting movement can also according to a balance beam lowering one side, raising the other side causes.
- the required detection of the web edge can be realized in different ways, for example, touching or non-contact.
- the pivoting device 11 may be formed in different ways, such as a hydraulic drive and / or an electric drive.
- the lowering movement can be realized by means of a spindle or with another gear.
- the drive of the swing frame can of course also by several linear drives, each end in the area of the bearings of the support rollers attack, be realized. It is also conceivable that the pivoting movement is generated by a rotary drive.
- a preferred field of application of the invention is the winding of a metal strip, in particular during inspection or sampling.
- the invention is not limited to this application example of rewinding a metal strip, but in principle applicable for the winding process of any material web, such as a plastic web or a paper web or a web of fabric or other material.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Wickeln einer Materialbahn, insbesondere eines Metallbandes, wobei ein Bund während des Wickelvorgangs durch zumindest zwei drehangetriebene Stützwalzen gestützt ist (siehe z.B.
In verschiedenen industriellen Herstellungsprozessen wird ein bandförmiges Material zu einer Wickelrolle aufgewickelt, bei der man eine möglichst gleichmäßige Kantendeckung anstrebt. Auch bei der Herstellung von metallischem Walzgut, wie beispielsweise einem Stahlband oder einem Aluminiumband, wird üblicherweise das aus einem Walzgerüst auslaufende Walzband zu einem Bund gewickelt.In various industrial manufacturing processes, a band-shaped material is wound into a winding roll, in which one strives for the most uniform possible edge coverage. Also in the production of metallic rolling stock, such as a steel strip or an aluminum strip, usually the rolling strip running out of a rolling mill is wound into a bundle.
Um die Qualität eines Metallbandes prüfen zu können, wird ein Probenstück des Metallbundes einer Inspektion unterzogen. Hierfür wird vom Bund ein Stück des Walzbandes abgewickelt und nach der Kontrolle wieder zurück gewickelt. Dabei tritt das Problem auf, dass mit zunehmender Abwickellänge die Gefahr besteht, dass das Walzband seitlich verläuft. Folge davon ist dann ein zumindest an den äußeren Windungen teleskopierter Metallbund. Von der Stirnfläche des Metallbundes überstehendes Metallband kann dann leicht beim Transport in nachfolgenden Prozessschritten beschädigt werden. Insgesamt kann der Metallbund dadurch in seinem Wert gemindert sein.In order to be able to test the quality of a metal strip, a sample of the metal strip is subjected to an inspection. For this purpose, a piece of the rolled strip is unwound by the Federal Government and wound back after checking. The problem arises that with increasing unwinding length there is a risk that the rolled strip runs laterally. The consequence of this is then a metal collar telescoped at least on the outer turns. From the end face of the metal collar protruding metal band can then be easily damaged during transport in subsequent process steps. Overall, the metal collar can be reduced in its value.
Um dieses Problem des seitlichen Verlaufens zu vermeiden, könnte man beispielsweise die Abwickellänge begrenzen, oder aber man schneidet ein Probenstück ab. Ersteres hat den Nachteil, dass die Inspektion nicht in der gewünschten Länge durchgeführt werden kann. Letzteres verursacht Ausschussmaterial, da das abgeschnittene Probenstück weggeworfen wird.To avoid this problem of lateral bleeding, one could for example limit the unwinding length, or but one cuts off a sample piece. The former has the disadvantage that the inspection can not be performed in the desired length. The latter causes scrap material because the cut sample is discarded.
Es ist eine Aufgabe der vorliegenden Erfindung, ein Verfahren und eine Vorrichtung zum Wickeln einer bandförmigen Materialbahn anzugeben, so dass ein seitliches Verlaufen beim Aufwickeln möglichst verhindert ist.It is an object of the present invention to provide a method and an apparatus for winding a band-shaped material web, so that lateral running during winding is as far as possible prevented.
Diese Aufgabe wird für eine Vorrichtung gemäß den Merkmalen des Anspruchs 1, und für ein Verfahren, gemäß den Merkmalen des Anspruchs 4 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den jeweils abhängigen Ansprüchen definiert.This object is achieved for a device according to the features of claim 1, and for a method according to the features of
Gemäß einem Grundgedanken der Erfindung wird die an den Stützrollen aufliegende Gewichtskraft des Bundes durch die Neigung von Stützwalzen oder Bodenwalzen eine horizontale Kraftkomponente erzeugt, die dazu genutzt wird, um dem seitlichen Verlaufen einer Materialbahn entgegenzuwirken. Dies wird dadurch erreicht, indem mittels einer Schwenkeinrichtung die zwei oder auch mehrere Stützwalzen gemeinsam um eine Schwenkachse zwischen einer ersten, im Wesentlichen horizontalen Stellung, in eine zweite, bezüglich der horizontalen Stellung geneigte Stellung, geschwenkt. Mit anderen Worten, indem die Achsen der Stützrollen gegenläufig zum seitlichen Verlaufen des Bandes bezüglich der Horizontalen geneigt werden können, kann man beim (Zurück-) Wickeln eines Metallbandes die Kantendeckung am Bund aufrecht erhalten. Läuft beispielsweise die Kante einer Materialbahn von der Stirnfläche des Bundes heraus, werden die beiden Stützrollen so geneigt, dass die Bahnkante wieder zurück zur Stirnfläche kommt. Die Neigung der Stützrollen kann dabei so vonstatten gehen, dass eine Stirnseite bezüglich der Horizontalen abgesenkt wird, je nachdem, auf welcher Seite die Bahnkante von der Stirnfläche heraus läuft. Die Neigung der Stützrollen kann aber auch so erfolgen, dass ähnlich einem Waagebalken eine Stirnseite des Bundes gesenkt und gleichzeitig die andere angehoben wird. Der Schwenkvorgang kann im einfachsten Fall manuell gesteuert sein, indem beispielsweise von einem Betriebspersonal der Vorgang beim Zurückwickeln des Metallbandes beobachtet wird. Wird visuell ein seitliches Verlaufen des Metallbandes erkannt, so wird über eine Bedieneinrichtung von Hand eine entsprechende Neigebewegung ausgelöst. In der Walzwerktechnik kann ein Metallbund, ein so genannter Coil, beispielsweise 40 t schwer sein. Um dieses Schwergewicht zu neigen, ist eine entsprechend eingerichtete Antriebsvorrichtung erforderlich, welche die erforderliche Kraft für die Schwenkbewegung aufzubringen vermag. Diese Krafterzeugung kann beispielsweise durch eine oder mehrere hydraulische Kolben-ZylinderEinheiten, oder durch einen Elektroantrieb in Verbindung mit einer Spindel erfolgen. Es sei aber bereits an dieser Stelle erwähnt, dass die Steuerung der Achsneigung auch durch eine automatisch arbeitende Vorrichtung erfolgen kann. Die Gewichtskraft eines Metallbundes, wird sehr effizient dazu genutzt, um eine horizontale, dem Bandverlauf entgegen gerichtete Kraftkomponente zu erzeugen. Durch die erfindungsgemäße Achsneigung der Stützrollen wird erreicht, dass nach der Inspektion eines Metallbundes die Stirnflächen eben sind. Damit gibt es keine überstehenden Ränder, die in nachfolgenden Prozessschritten oder in einem anschließenden Transport des Metallbundes beschädigt werden könnten. Der wesentliche Vorteil der Erfindung ist also darin zu sehen, dass der Wert des Metallbundes durch beziehungsweise nach einer Inspektion nicht gemindert wird. Ein weiterer Kostenvorteil der Erfindung liegt darin, dass bei der Inspektion kein Stück des Metallbandes abgeschnitten und verworfen werden muss. Dadurch fällt bei der Inspektion kein Schrott mehr an. Die technische Realisierung einer Schwenkvorrichtung zum Neigen der Drehachsen der Stützrollen kann vergleichsweise einfach und weitgehend durch bekannte kommerziell erhältliche Baueinheiten mit relativ geringen Kosten realisiert werden.According to a basic idea of the invention, the weight force of the collar resting on the support rollers is generated by the inclination of support rollers or bottom rollers, a horizontal force component which is used to counteract the lateral running of a material web. This is achieved by pivoting by means of a pivoting device, the two or more support rollers together about a pivot axis between a first, substantially horizontal position, in a second, with respect to the horizontal position inclined position. In other words, by the axes of the support rollers can be inclined in opposite directions to the lateral extent of the band with respect to the horizontal, one can maintain the edge coverage at the waistband when (re) winding a metal strip. If, for example, the edge of a material web runs out from the end face of the collar, the two support rollers are inclined so that the web edge comes back to the end face. The inclination of the support rollers can do so It will be understood that one end face is lowered with respect to the horizontal, depending on which side the web edge is running from the end face. But the inclination of the support rollers can also be done so that similar to a balance beam one end of the collar lowered and at the same time the other is raised. The pivoting operation can be controlled manually in the simplest case, for example, by an operating staff watching the process when rewinding the metal strip. If visually a lateral bleeding of the metal strip is detected, then a corresponding tilting movement is triggered by an operating device by hand. In rolling mill technology, a metal collar, a so-called coil, can be for example 40 tons. To tilt this heavy weight, a correspondingly configured drive device is required, which is able to apply the force required for the pivoting movement. This power generation can be done for example by one or more hydraulic piston-cylinder units, or by an electric drive in conjunction with a spindle. However, it should already be mentioned at this point that the control of the axial tilt can also be done by an automatically operating device. The weight of a metal collar is used very efficiently to produce a horizontal force component directed counter to the strip. Due to the axial inclination of the support rollers according to the invention it is achieved that after the inspection of a metal collar, the end faces are flat. Thus, there are no protruding edges that could be damaged in subsequent process steps or in a subsequent transport of Metallbundes. The essential advantage of the invention is thus to be seen in the fact that the value of the metal collar is not reduced by or after an inspection. Another cost advantage of the invention is that during inspection no piece of the metal strip has to be cut off and discarded. As a result, no more scrap is generated during the inspection. The technical realization of a pivoting device for tilting the axes of rotation of the support rollers can be relatively easily and largely realized by known commercially available units with relatively low cost.
Gemäß der Erfindung weist die Schwenkeinrichtung eine spezielle Stützvorrichtung auf, in welcher die zumindest zwei drehangetriebenen Stützwalzen drehbar gelagert sind. Die Stützvorrichtung kann beispielsweise ein Metallrahmen sein der nach Art eines Waagebalkens ausgebildet ist, das heißt der Rahmen ist bezüglich einer Schwenkachse schwenkbar, beispielsweise indem er mittig abgestützt ist. In diesem Fall verläuft die Schwenkachse durch den Querbalken des Rahmens. Es ist aber auch möglich, dass der Rahmen so konstruiert ist, dass räumlich gesehen, die Drehachsen der Stützrollen und die Schwenkachse einander sich kreuzen, aber nicht schneiden.According to the invention, the pivoting device on a special support device in which the at least two rotationally driven support rollers are rotatably mounted. The support device may for example be a metal frame which is designed in the manner of a balance beam, that is, the frame is pivotable relative to a pivot axis, for example by being centrally supported. In this case, the pivot axis passes through the crossbar of the frame. But it is also possible that the frame is constructed so that spatially seen, the axes of rotation of the support rollers and the pivot axis intersect each other, but do not intersect.
In einer bevorzugten Ausführungsform der Vorrichtung, beziehungsweise des Verfahrens, ist vorgesehen, dass die Stützwalzen jeweils um einen Schwenkwinkel schwenkbar sind, der stufenlos vorgebbar ist. Dadurch kann sehr differenziert einem Verlaufen der Materialbahn entgegengewirkt werden. Auch hier wird die Gewichtskraft dazu verwendet, um ein seitliches Verlaufen des bandförmigen Materials zu verhindern. Verglichen mit einem seitlichen Verschieben der Stützrollen benötigt der Schwenkvorgang weniger Energie.In a preferred embodiment of the device, or the method, it is provided that the support rollers are each pivotable about a pivot angle, which is infinitely predetermined. This can be counteracted a very differentiated a bleeding of the material web. Again, the weight is used to prevent lateral bleeding of the band-shaped material. Compared to a lateral displacement of the support rollers, the pivoting process requires less energy.
Es kann günstig sein, wenn die Schwenkbewegung eine Absenkbewegung ist, das heißt wenn die durch die Schwenkbewegung der Drehachsen der Stützwalzen jeweils aufgespannte Schwenkebene lotrecht verläuft.It may be favorable if the pivoting movement is a lowering movement, that is to say if the pivoting plane respectively spanned by the pivoting movement of the axes of rotation of the supporting rollers is perpendicular.
Um wie bereits oben angedeutet, die Schwenkbewegung automatisch durchführen zu können, kann vorgesehen sein, dass die Kante der auf den Bund zulaufenden Materialbahn mittels eines geeigneten Sensors erfasst wird. Ein solcher Bahnkantensensor kann nach unterschiedlichen Messprinzipien arbeiten, beispielsweise taktil oder berührungslos, z.B. ein Ultraschallsensor oder ein optisch arbeitendes System sein. Der Bahnkantensensor liefert dabei eine Lageinformation, die der Schwenkeinrichtung zugeleitet ist. Bei der Vorgabe des Schwenkwinkels wird diese Lageinformation entsprechend berücksichtigt. Die technische Ausführung einer solchen Schwenkeinrichtung beinhaltet im Wesentlichen eine Informationsverarbeitende Einheit, z.B. ein Computer, der über entsprechende Steuersignale eine Antriebseinrichtung zum Erzeugen der Schwenkbewegung veranlasst. Beides ist im Grunde nach kommerziell verfügbar, kann mit geringem Aufwand entsprechend angepasst verwendet und braucht daher hier im Detail nicht näher erläutert zu werden.In order, as already indicated above, to be able to carry out the pivoting movement automatically, it can be provided that the edge of the material web running onto the bundle is detected by means of a suitable sensor. Such a web edge sensor can operate according to different measuring principles, for example tactile or non-contact, for example a Ultrasonic sensor or an optically operating system. The web edge sensor supplies a position information that is fed to the pivoting device. When specifying the swivel angle, this position information is considered accordingly. The technical design of such a pivoting device essentially comprises an information processing unit, for example a computer, which causes a drive device for generating the pivoting movement via corresponding control signals. Both are basically commercially available, can be used appropriately adjusted with little effort and therefore need not be explained in detail here in detail.
Zur weiteren Erläuterung der Erfindung wird im nachfolgenden Teil der Beschreibung auf Zeichnungen Bezug genommen, aus denen weitere vorteilhafte Ausgestaltungen, Einzelheiten und Weiterbildungen der Erfindung anhand eines nicht einschränkenden Ausführungsbeispiels zu entnehmen sind.To further explain the invention, reference is made in the following part of the description to drawings, from which further advantageous embodiments, details and further developments of the invention can be found by way of non-limiting embodiment.
Es zeigen:
- Figur 1
- eine schematische Darstellung der erfindungsgemäßen Vorrichtung in einer ersten Ansicht gesehen;
Figur 2- die Darstellung der
Figur 1 von einer Seite gesehen; - Figur 3
- eine schematische Darstellung einer Ausführungsform der Erfindung, bei der die Stützwalzen in einem als Waagebalken ausgebildeten Rahmenteil drehbar gelagert sind und wobei der Rahmenteil mittels einer Antriebseinrichtung um eine Schwenkachse geschwenkt werden kann;
Figur 4- eine schematische Skizze, welche einen Metallbund auf zwei Stützrollen in einer räumlichen Darstellung zeigt;
Figur 5- eine mögliche Anordnung der beiden Drehachsen bezüglich der Schwenkachse gemäß
;Figur 4 Figur 6- eine andere mögliche Anordnung von zwei Drehachsen bezüglich einer Schwenkachse.
- FIG. 1
- a schematic representation of the device according to the invention seen in a first view;
- FIG. 2
- the representation of
FIG. 1 seen from one side; - FIG. 3
- a schematic representation of an embodiment of the invention, in which the support rollers are rotatably mounted in a frame part designed as a balance beam and wherein the frame part can be pivoted by means of a drive means about a pivot axis;
- FIG. 4
- a schematic sketch showing a metal collar on two support rollers in a three-dimensional view;
- FIG. 5
- a possible arrangement of the two axes of rotation with respect to the pivot axis according to
FIG. 4 ; - FIG. 6
- another possible arrangement of two axes of rotation with respect to a pivot axis.
Die
Eine Lenkung der zum Bund 1 zulaufenden Materialbahn 14 kann dies verhindern. Erfindungsgemäß erfolgt diese Bandlenkung so, dass die Stütz- oder Bodenrollen 2 und 3, die für den Metallbund 1 eine so genannte "Wickelmulde" oder ein "Wickelbett" bilden, kopfseitig oder fußseitig abgesenkt oder angehoben werden. Durch diese Korrektur kann eine sehr gute Kantendeckung des Metallbundes 1 erreicht werden. Wie unten noch näher ausgeführt, kann die Bandlenkung grundsätzlich manuell oder auch automatisch gesteuert sein.A steering of the collar 1 tapered
Kommt es beispielsweise zu einem seitlichen Verlaufen des Walzbandes 14, entweder in Richtung A, oder B, so wird das Eigengewicht des Bundes dazu genutzt, die Bandlaufkorrektur durchzuführen. Dies funktioniert so, in dem die "Wickelmulde" oder das "Wickelbett", mittels einer Schwenkeinrichtung 11 geschwenkt wird, das heißt an einer Seite abgesenkt oder angehoben wird. Dies ist durch die Doppelpfeile D und C in den
Die Kraft für die Schwenkbewegung in Richtung des Pfeils D kann auf verschiedene Weise beispielsweise hydraulisch oder elektrisch erzeugt werden.The force for the pivoting movement in the direction of the arrow D can be generated in various ways, for example hydraulically or electrically.
Verläuft in einem anderen Beispiel das Walzband 14 in Richtung A des Doppelpfeils AB, so werden die beide Stützrollen 2, 3 in Richtung des Pfeils C nach unten abgesenkt. (Umgekehrt, bei einem Bandverlauf in Richtung B, werden die Stützrollen 2, 3 in Richtung des Pfeils D nach unten geschwenkt.)Runs in another example, the rolled
Die in Korrekturfall erforderliche links- oder rechtsseitige Absenk-Bewegung führt im Ergebnis dazu, dass wieder eine gute Kantendeckung an den Stirnflächen des Metallbundes 1 erreicht werden kann. Bei der Herstellung eines Walzbandes 14 ist also nach der Inspektion, bei der ein Stück des Walzgutes 14 abgewickelt und anschließend nach der Inspektion wieder zurück auf den Metallbund 1 gewickelt werden muss, nicht mehr teleskopartig verschoben. Es gibt daher keine überstehenden Bahnkanten des Walzgutes, die bei der weiteren Handhabung des Metallbundes 1 beschädigt werden könnten.As a result, the left or right-side lowering movement required in the event of correction results in that a good edge coverage at the end faces of the metal collar 1 can again be achieved. In the production of a rolled
Wenn bei einem (Zurück-) Wickelvorgang die Bahnkante der Materialbahn 14 nicht verläuft, so wird im Wesentlichen die waagerechte Ausrichtung der Stützwalzen 2, 3 beibehalten, denn es besteht kein Grund für eine Korrektur oder Lenkung.If during a (re) winding process, the web edge of the
Die Drehachsen 5, 6 der beiden Stützrollen 2, 3 verlaufen im vorliegenden Beispiel parallel zueinander und liegen in einer horizontalen Ebene. Die einseitige Absenk-Bewegung der Stützrollen-Achsen 5, 6 erfolgt im vorliegenden Ausführungsbeispiel synchron, das heißt der pro Zeiteinheit überstrichene Schwenkwinkel ist für beide Stützrollen 2, 3 gleich groß.The axes of
Wie bereits gesagt, kann die Lenkung des Walzbandes manuell oder auch automatisch gesteuert sein. In den Zeichnungen der
Die konstruktive Ausbildung der Schwenkvorrichtung 11, wie im Wesentlichen aus dem Rahmenteil 16 und der Antriebseinheit 15 besteht, braucht hier nicht näher eingegangen zu werden, da diese Baueinheiten als bekannt beziehungsweise kommerziell erhältlich vorausgesetzt werden können. Es sei auch hier nochmals darauf hingewiesen, dass die Schwenkeinrichtung 11 sowohl manuell als auch automatisch betrieben werden kann.The structural design of the pivoting
In der Ausführung gemäß der
Die
Die
Anders als in
In den oben gezeigten Beispielen, liegen die beiden Drehachsen 5, 6 parallel zueinander und verlaufen etwa in einer horizontal liegenden Ebene. Dies ist aber nicht zwingend erforderlich. Es erscheint auch möglich, dass die beiden Drehachsen 5, 6 zwar parallel zueinander verlaufen, aber bezüglich der Schwenkachse 18 einen unterschiedlichen Abstand haben.In the examples shown above, the two axes of
Die Schwenkbewegung kann so erfolgen, dass die gegenüberliegende Stirnseite abgesenkt oder angehoben wird. Die Schwenkbewegung kann aber auch gemäß einem Waagebalkens das Absenken der einen Seite, ein anheben der anderen Seite bewirkt.The pivoting movement can be carried out so that the opposite end side is lowered or raised. However, the pivoting movement can also according to a balance beam lowering one side, raising the other side causes.
Im Falle einer automatischen Steuerung der Stützrollen kann die dafür erforderliche Erfassung der Bahnkante auf unterschiedliche Weise realisiert sein, beispielsweise berührend oder berührungslos.In the case of automatic control of the support rollers, the required detection of the web edge can be realized in different ways, for example, touching or non-contact.
Obwohl die Erfindung in Detail durch das bevorzugte Ausführungsbeispiel näher illustriert und beschrieben wurde, so ist die Erfindung nicht durch die offenbarten Beispiele eingeschränkt und andere Variationen können vom Fachmann hieraus abgeleitet werden, ohne den Schutzumfang der Erfindung zu verlassen.Although the invention has been further illustrated and described in detail by the preferred embodiment, the invention is not limited by the disclosed examples and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention.
So kann die Schwenkeinrichtung 11 auf unterschiedliche Art und Weise ausgebildet sein, z.B. ein Hydraulikantrieb und/oder ein Elektroantrieb. Die Absenkbewegung kann mittels Spindel oder mit einem anderen Getriebe realisiert sein. Selbst verständlich können anstelle der hier dargestellten Stützung mittels zweier Stützrollen auch mehrere Stützrollen verwendet werden. Der Antrieb des Schwenkrahmens kann selbstverständlich auch durch mehrere Linearantriebe, die jeweils endseitig im Bereich der Lager der Stützrollen angreifen, realisiert sein. Es ist auch denkbar, dass die Schwenkbewegung durch einen Drehantrieb erzeugt wird.Thus, the pivoting
Wie in den vorangegangenen Erläuterungen der Beispiele hervorgehoben, besteht ein bevorzugtes Anwendungsgebiet der Erfindung beim Wickeln eines Metallbandes, insbesondere bei der Inspektion oder Probennahme.As pointed out in the preceding explanations of the examples, a preferred field of application of the invention is the winding of a metal strip, in particular during inspection or sampling.
Selbst verständlich ist die Erfindung aber nicht auf dieses Anwendungsbeispiel des Zurückwickelns eines Metallbandes eingeschränkt, sondern grundsätzlich für den Wickelvorgang einer beliebigen Materialbahn, wie beispielsweise einer Kunststoffbahn oder einer Papierbahn oder einer Bahn aus Textilstoff oder einem anderen Werkstoff anwendbar.Of course, the invention is not limited to this application example of rewinding a metal strip, but in principle applicable for the winding process of any material web, such as a plastic web or a paper web or a web of fabric or other material.
Zusammenstellung der verwendeten Bezugszeichen
- 1
- Bund, Metallbund
- 2
- erste Stützrolle
- 3
- zweite Stützrolle
- 4
- Bahnkantensensor
- 5, 5', 5"
- Stellung der Drehachse der ersten Stützrolle
- 6, 6', 6"
- Stellung der Drehachse der zweiten Stützrolle
- 7
- Drehantrieb
- 8
- Bundachse
- 9
- Pfeil
- 10
- Bandlaufrichtung
- 11
- Schwenkeinrichtung
- 12
- Schwenkwinkel
- 13
- Sensorsignal
- 14
- Materialbahn, Metallband
- 15
- Schwenkantriebe
- 16
- Stützvorrichtung
- 17
- Symmetrieachse
- 18
- Schwenkachse
- 19
- Pfeil
- 50, 60
- Schwenkebene
- 1
- Waistband, metal waistband
- 2
- first supporting role
- 3
- second support roller
- 4
- Edge sensor
- 5, 5 ', 5 "
- Position of the axis of rotation of the first support roller
- 6, 6 ', 6 "
- Position of the axis of rotation of the second support roller
- 7
- rotary drive
- 8th
- Bund axis
- 9
- arrow
- 10
- Tape direction
- 11
- Pivot means
- 12
- swivel angle
- 13
- sensor signal
- 14
- Material web, metal band
- 15
- rotary actuators
- 16
- support device
- 17
- axis of symmetry
- 18
- swivel axis
- 19
- arrow
- 50, 60
- pivot plane
Claims (6)
- Device for winding a material web, in particular a metal strip, wherein a coil (1) is supported during the winding process by at least two support rollers (2, 3), wherein the support rollers (2, 3) can be pivoted jointly about a pivot axis (18) between a first, substantially horizontal position and a second position which is inclined with respect to the horizontal, by means of a pivoting arrangement (11), wherein the pivot plane (50, 60) generated by the respective pivoting movements of the axes of rotation (5, 6) of the support rollers (2, 3) is vertical, characterised in that the pivoting arrangement (11) includes a support device (16) in which the at least two rotationally-driven support rollers (2, 3) are mounted rotatably, the support device (16) being configured in the manner of a balance beam and the pivot axis (18) being arranged at a distance from each of the axes of rotation (5, 6).
- Device according to claim 1, characterised in that the support rollers (2, 3) can be pivoted through a pivot angle (12) which can be specified steplessly.
- Device according to one of claims 1 or 2, characterised in that the pivoting arrangement (11) is set up to take account, when steplessly specifying the pivot angle (12), of positional information (13) provided by a web edge sensor (4) arranged at an edge of the incoming material web (14).
- Method for winding a material web, in particular a metal strip, wherein a coil (1) is supported during the winding process by at least two support rollers (2, 3), wherein the support rollers (2, 3) can be pivoted jointly about a pivot axis (18) between a first, substantially horizontal position and a second position which is inclined with respect to the horizontal, by means of a pivoting arrangement (11), wherein the pivoting movement of the axes of rotation (5, 6) of the support rollers (2, 3) is in each case executed in a vertical pivot plane (50, 60), characterised in that the pivoting arrangement (11) includes a support device (16) in which the at least two rotationally-driven support rollers (2, 3) are mounted rotatably, the support device (16) being configured in the manner of a balance beam and the pivoting movement being effected about a pivot axis (18) which is arranged at a distance from each of the axes of rotation (5, 6).
- Method according to claim 4, characterised in that the support rollers (2, 3) are pivoted through a pivot angle (12) which is specified steplessly.
- Method according to one of claims 4 or 5, characterised in that the pivoting arrangement (11) is set up to take account, when specifying the pivot angle (12), of positional information (13) provided by a web edge sensor (4) arranged near the incoming material web (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13704758.5A EP2822712B1 (en) | 2012-03-07 | 2013-02-07 | Method and device for winding a material web |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12158406 | 2012-03-07 | ||
PCT/EP2013/052360 WO2013131701A1 (en) | 2012-03-07 | 2013-02-07 | Method and device for winding a material web |
EP13704758.5A EP2822712B1 (en) | 2012-03-07 | 2013-02-07 | Method and device for winding a material web |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2822712A1 EP2822712A1 (en) | 2015-01-14 |
EP2822712B1 true EP2822712B1 (en) | 2016-05-11 |
Family
ID=47722255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13704758.5A Not-in-force EP2822712B1 (en) | 2012-03-07 | 2013-02-07 | Method and device for winding a material web |
Country Status (5)
Country | Link |
---|---|
US (1) | US9796010B2 (en) |
EP (1) | EP2822712B1 (en) |
CN (1) | CN104144754B (en) |
IN (1) | IN2014DN07056A (en) |
WO (1) | WO2013131701A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016137989A (en) * | 2015-01-29 | 2016-08-04 | 株式会社沖データ | Meander correction device, roll medium conveyance device and image processing device |
NL2014872B1 (en) * | 2015-05-28 | 2016-12-30 | Forage Innovations Bv | Wrapping device for wrapping a bale in a bale forming chamber. |
CN105033085A (en) * | 2015-06-19 | 2015-11-11 | 防城港中一重工有限公司 | Hydraulic deflection-preventing supporting device for C/Z section steel press feeding frame |
DK178914B1 (en) * | 2015-10-22 | 2017-05-22 | Inwatec Aps | Method of rolling up final lengths of mats in unidirectional rolled rollers and a mat rolling station for carrying out the method |
KR102273420B1 (en) * | 2021-03-07 | 2021-07-05 | 구본출 | Forming apparatus including uncoiler |
Family Cites Families (17)
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US2630319A (en) * | 1948-12-07 | 1953-03-03 | Armco Steel Corp | Correcting apparatus for strip operations |
DE2318351C2 (en) * | 1973-04-12 | 1975-03-20 | J.M. Voith Gmbh, 7920 Heidenheim | Carrying device for a winding roll |
DE3507251A1 (en) * | 1985-03-01 | 1986-09-04 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | DRIVER FOR ROLLER TAPE |
JPH08282889A (en) * | 1995-04-11 | 1996-10-29 | Tokimec Inc | Web position control device |
DE19616945A1 (en) * | 1996-04-27 | 1997-10-30 | Bhs Corr Masch & Anlagenbau | Device for controlling the position of a running web transversely to the running direction |
DE10125192A1 (en) * | 2001-05-23 | 2002-11-28 | Voith Paper Patent Gmbh | Method and device for active vibration damping in winding machines |
KR100864438B1 (en) * | 2002-07-16 | 2008-10-22 | 주식회사 포스코 | Apparatus for cutting edge of coil paper |
KR100949682B1 (en) * | 2002-12-24 | 2010-03-26 | 주식회사 포스코 | A preventing method and apparatus against telescopic coiling for the coil |
FI118482B (en) * | 2006-06-12 | 2007-11-30 | Metso Paper Inc | Arrangement for damping vibration in a drum |
DE102007015636A1 (en) | 2006-11-24 | 2008-05-29 | Sms Demag Ag | Device for guiding a metal strip and method for its operation |
JP4683060B2 (en) | 2008-03-17 | 2011-05-11 | トヨタ自動車株式会社 | Web conveyance device and web conveyance control method |
DE102009057180A1 (en) | 2009-01-30 | 2010-08-19 | Sms Siemag Ag | Apparatus and method for coiling a strip, in particular metal strip |
FI20095277A (en) * | 2009-03-18 | 2010-09-19 | Metso Paper Inc | Roll arrangement in a fiber web machine and method for attenuating the vibrations of a roller in a fiber web machine |
CN102344048A (en) * | 2010-08-05 | 2012-02-08 | 无锡市岚峰制膜有限公司 | Device for accurately correcting polymeric membrane |
CN202148078U (en) * | 2011-05-26 | 2012-02-22 | 刘家斌 | Positioning rectification device |
CN202148079U (en) * | 2011-06-22 | 2012-02-22 | 江苏长宏铝业有限公司 | Deviation rectifying device for uncoiling machine |
CN202140748U (en) | 2011-06-30 | 2012-02-08 | 江苏华东明茂机械有限公司 | Rotating split type machine frame |
-
2013
- 2013-02-07 CN CN201380012997.6A patent/CN104144754B/en not_active Expired - Fee Related
- 2013-02-07 US US14/381,031 patent/US9796010B2/en not_active Expired - Fee Related
- 2013-02-07 IN IN7056DEN2014 patent/IN2014DN07056A/en unknown
- 2013-02-07 WO PCT/EP2013/052360 patent/WO2013131701A1/en active Application Filing
- 2013-02-07 EP EP13704758.5A patent/EP2822712B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
CN104144754A (en) | 2014-11-12 |
WO2013131701A1 (en) | 2013-09-12 |
CN104144754B (en) | 2017-03-08 |
IN2014DN07056A (en) | 2015-04-10 |
US9796010B2 (en) | 2017-10-24 |
EP2822712A1 (en) | 2015-01-14 |
US20150008276A1 (en) | 2015-01-08 |
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