EP2177285B1 - Device for sheet metal roll forming - Google Patents

Device for sheet metal roll forming Download PDF

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Publication number
EP2177285B1
EP2177285B1 EP20090011347 EP09011347A EP2177285B1 EP 2177285 B1 EP2177285 B1 EP 2177285B1 EP 20090011347 EP20090011347 EP 20090011347 EP 09011347 A EP09011347 A EP 09011347A EP 2177285 B1 EP2177285 B1 EP 2177285B1
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EP
European Patent Office
Prior art keywords
sheet metal
pairs
roller dies
longitudinal cutting
rows
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Not-in-force
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EP20090011347
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German (de)
French (fr)
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EP2177285A1 (en
Inventor
Walter Möck
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Ortic 3D AB
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Walter Mock GmbH
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
    • B21D5/083—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers for obtaining profiles with changing cross-sectional configuration

Definitions

  • the invention relates to a device for roll forming of sheet metal, in particular for the production of straight or conical sheet metal parts as roofing and / or wall cladding elements, with both sides of a transport path of the sheet to be processed by the machine arranged rows of pairs of forming rollers, of which one of the form rollers the Sheet from the top and one from below and thus form, the rows of forming rollers are adjustable in their mutual distance and adjustable with respect to the transport direction of the sheet at an angle.
  • roofing sheets are used, which are provided at their side edges with folds, where they are connected to adjacent sheets and fixed to the roof substructure.
  • the devices mentioned above are used for roll forming the side edges of the sheets.
  • rectangular sheets are roll-formed on the side edges.
  • Roofs of buildings whose floor plan has arched elements, such as towers or halls with an oval floor plan, on the other hand require conical sheet metal blanks for their roofing.
  • the WO 02/43886 A1 discloses a Rollform-Profiliermaschine for processing sheets.
  • the known roll forming-profiling machine has a plurality of rows of forming rollers which are arranged on carriers.
  • longitudinal cutting devices are provided on two first carriers, the angle of which can be adjusted in the longitudinal direction of the roll forming-profiling machine together with the first carriers.
  • the present invention has for its object to improve the roll former of the type mentioned in such a way that they allow for the use of problematic sheet material error-free production of Thisfalze the sheet metal parts.
  • the object is achieved with a device for roll forming sheet metal, in particular for producing straight or conical sheet metal parts as a roof and / or wall cladding elements, with both sides of a transport path of sheet to be processed by the machine arranged rows of pairs of forming rollers, each of which acted upon one of the forming rollers from above and one from below and thereby forming the sheet, the rows of forming rollers in their mutual distance adjustable and with respect to the transport direction of the sheet at an angle adjustable, wherein the rows of pairs of forming rollers upstream of both sides of the transport path of the sheet a longitudinal cutting device is arranged for the sheet, d which is characterized in that the longitudinal cutting devices independently of the rows of pairs of forming rollers in their mutual distance adjustable and at an angle the transport direction of the sheet are adjustable.
  • the wall thickness and the quality of the sheet it can be roll-formed with varying degrees of ease, since the factors mentioned above influence the so-called flowability of the sheet.
  • the properties of the sheet may vary in a withdrawn from a coil sheet metal over its length.
  • errors in the production of Sofalze therefore occurred when using problematic starting material for the sheet metal parts.
  • the device according to the invention such problems can be at least partially compensated by, for example, a sheet with poor flow properties with a small oversize cut to the form roller pairs is supplied. A modification of the trimming of the side edges of the sheet is still possible during production.
  • the angle of incidence of the longitudinal cutting devices can be adjusted by means of a corresponding sensor device much more precisely to the angle of attack of the forming rollers, as is possible in the known systems.
  • a slight deviation of the angle of incidence of the longitudinal cutting devices from the angle of attack of the forming rollers may be desirable in certain cases and can be adjusted in the device according to the invention.
  • the longitudinal cutting devices are each arranged on a carrier, wherein the carrier is symmetrical and / or asymmetrical to the center line of the transport path by a drive device which is independently controlled by the drive or the devices for the pairs of forming rollers, movable.
  • a symmetrical adjustment of the slitters to the center line of the transport path result in isosceles conical sheets.
  • An asymmetric adjustment allows the production of sheets with inclined side edges at different angles. It may also be a side edge of the sheet metal part produced straight and the other inclined. Due to the completely independent controllability of the carrier with the longitudinal cutting devices, these can also be moved completely out of the transport path of the sheet, which facilitates the feeding of already cut sheet metal to the forming rollers.
  • the longitudinal cutting devices can be formed in a conventional manner by pairs of cutting rollers.
  • either all pairs of forming rollers of a row can be arranged on a common support or it can be provided a plurality of carriers, each carrying a pair or more pairs of forming rollers. If the pairs of forming rollers of a row are distributed over a plurality of carriers, not only conical plates but also plates with a width that does not vary continuously can be produced. The sheet-metal parts can then also have a region which initially tapers conically and then subsequently a region which widens again and / or a region of constant width. However, if only strictly conical sheets are to be produced, the arrangement of all the pairs of form rollers on one side on a common carrier is the simplest drive technology solution.
  • the longitudinal cutting devices can be moved synchronously and / or with a time offset from the pairs of shaping rollers.
  • a staggered movement of the longitudinal cutting means is particularly useful when setting the machine on a new sheet metal blank.
  • the slitting devices can then be adjusted exactly to the already set pairs of form rollers. During the manufacture of the sheet metal parts, a synchronous movement of the longitudinal cutting devices to the forming roller pairs is then meaningful.
  • the device can be fed already cut sheet metal plates and / or drawn from a coil sheet metal web.
  • the forming roller pairs crushing devices for the separated by the longitudinal cutting devices sheet metal strip.
  • the crushed metal strips are collected in arranged below the crushing device waste containers and can then be easily disposed of.
  • the sole FIGURE shows a schematic plan view of a roll former 10, which has two carriers 11, 12, on each of which four pairs of forming rollers 13, 14, 15, 16 and 17, 18, 19, 20 are arranged.
  • the form roller pairs 13 to 16 and 17 to 20 include between them a transport path for a sheet not shown here, in the edges of which form a profile.
  • the carriers 11, 12 are pivotally mounted about axes 21, 22. For the guidance of the pivotal movement of the carrier 11, 12 are on the axes 21, 22 opposite end of the carrier 11, 12 arcuate guides 23, 24 are arranged.
  • a separate spindle 31, 32 and a separate motor 29, 30 are provided for each carrier 11, 12, whereby it is possible to produce asymmetric sheets.
  • the beams 11, 12 can be independently adjusted in their angles to the center line 26 and in their distance from the center line 26. If only isosceles conical plates are to be produced, only one spindle and one motor could be provided for both carriers 11, 12.
  • the carriers 11, 12 with the forming roller pairs 13 to 16 and 17 to 20 in the transport direction 25 of the sheet are preceded by two further carrier 33, 34 are provided, on each of which a longitudinal cutting means 35, 36 is arranged.
  • the carriers 33, 34 are pivotable about axes 37, 38. The pivotal movement is also controlled in the carriers 33 and 34 by arcuate guides 39, 40.
  • the angle ⁇ , which enclose the carrier 33, 34 with the center line 26 of the roll former 10, in the example shown corresponds exactly to the angles ⁇ of the carrier 11, 12, which is not mandatory for all applications.
  • the distance of the carrier 33, 34 to the center line 26 can be adjusted via motors 41, 42, each of which drives spindles 43, 44. For this rest, the carrier 33, 34 on a transverse guide 45th
  • the motors 41 and 42 may or may not be synchronized with the motors 29 and 30 of the carriers 11, 12.
  • the longitudinal cutting devices 35, 36 can be positioned much more accurately than in the case of known roll formers with longitudinal cutting devices arranged on the carriers of the forming roller pairs.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Laminated Bodies (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Rollformen von Blech, insbesondere zur Herstellung gerader oder konischer Blechteile als Dach- und/oder Wandverkleidungselemente, mit beiderseits eines Transportweges des zu bearbeitenden Blechs durch die Maschine angeordneten Reihen von Paaren von Formrollen, von denen jeweils eine der Formrollen das Blech von oben und eine von unten beaufschlagen und dadurch formen, wobei die Reihen von Formrollen in ihrem gegenseitigen Abstand verstellbar und bezüglich der Transportrichtung des Blechs im Winkel verstellbar sind.The invention relates to a device for roll forming of sheet metal, in particular for the production of straight or conical sheet metal parts as roofing and / or wall cladding elements, with both sides of a transport path of the sheet to be processed by the machine arranged rows of pairs of forming rollers, of which one of the form rollers the Sheet from the top and one from below and thus form, the rows of forming rollers are adjustable in their mutual distance and adjustable with respect to the transport direction of the sheet at an angle.

Insbesondere zum Eindecken von Dächern werden Bleche verwendet, die an ihren Seitenrändern mit Falzen versehen sind, an denen sie mit benachbarten Blechen verbunden und an der Dachunterkonstruktion befestigt werden. Zur Herstellung dieser Falze, die unterschiedliche Querschnittprofile aufweisen können, werden die eingangs erwähnten Vorrichtungen zum Rollformen der Seitenränder der Bleche eingesetzt. Zur Eindeckung von Sattel- oder Pultdächern werden dazu rechteckige Bleche an den Seitenrändern rollgeformt. Dächer von Gebäuden, deren Grundriss bogenförmige Elemente aufweist, also beispielsweise Türme oder Hallen mit ovalem Grundriss, benötigen dagegen konische Blechzuschnitte zu ihrer Eindeckung.In particular for roofing of roofing sheets are used, which are provided at their side edges with folds, where they are connected to adjacent sheets and fixed to the roof substructure. To produce these folds, which may have different cross-sectional profiles, the devices mentioned above are used for roll forming the side edges of the sheets. To cover saddle or pitched roofs, rectangular sheets are roll-formed on the side edges. Roofs of buildings whose floor plan has arched elements, such as towers or halls with an oval floor plan, on the other hand require conical sheet metal blanks for their roofing.

Es sind daher bereits Rollformer bekannt, mit denen sowohl rechteckige als auch konische Bleche an den Seitenrändern profiliert werden können. Bei Maschinen, die ausschließlich dafür gedacht sind, bereits zugeschnittene Blechtafeln zu verarbeiten, sind in der Regel keine Längsschneideinrichtungen vorgesehen, mit denen die Seitenränder des Blechs beschnitten werden könnten, da dies bei bereits zugeschnittenen Blechtafeln nicht mehr erforderlich ist. Bei Anlagen, die auch eine Bearbeitung einer von einem Coil abgezogenen Blechbahn ermöglichen, sind dagegen solche Längsschneideinrichtungen vorgesehen, damit die gewünschte konische Form des Blechs erzeugt werden kann. Bei den bekannten Anlagen dieser Art sind die Längsschneideinrichtungen dazu zusammen mit mindestens dem ersten Formrollenpaar auf einem gemeinsamen Träger angeordnet und können daher ausschließlich zusammen mit diesen Formrollen bewegt werden.Therefore, there are already known Rollformer with which both rectangular and conical sheets can be profiled on the side edges. For machines that are designed solely to handle pre-cut sheet metal panels, there is generally no need for slitters to cut the side edges of the sheet since this is no longer necessary with sheet metal panels already cut to size. In systems that also allow processing of a deducted from a coil sheet metal, on the other hand, such longitudinal cutting devices are provided so that the desired conical shape of the sheet can be produced. In the known systems of this type, the longitudinal cutting devices are arranged together with at least the first pair of forming rollers on a common carrier and can therefore be moved exclusively together with these forming rollers.

Die WO 02/43886 A1 offenbart eine Rollform-Profiliermaschine zur Bearbeitung von Blechen. Die bekannte Rollform-Profiliermaschine weist mehrere Reihen von Formrollen auf, die auf Trägern angeordnet sind. An zwei ersten Trägern sind dabei Längsschneideinrichtungen vorgesehen, deren Winkel in Längsrichtung der Rollform-Profiliermaschine zusammen mit den ersten Trägern verstellt werden können.The WO 02/43886 A1 discloses a Rollform-Profiliermaschine for processing sheets. The known roll forming-profiling machine has a plurality of rows of forming rollers which are arranged on carriers. In this case, longitudinal cutting devices are provided on two first carriers, the angle of which can be adjusted in the longitudinal direction of the roll forming-profiling machine together with the first carriers.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die Rollformer der eingangs genannten Art dahin gehend zu verbessern, dass sie auch bei Verwendung von problematischem Blechmaterial eine fehlerfreie Herstellung der Seitenfalze der Blechteile ermöglichen.The present invention has for its object to improve the roll former of the type mentioned in such a way that they allow for the use of problematic sheet material error-free production of Seitenfalze the sheet metal parts.

Die Aufgabe wird gelöst mit einer Vorrichtung zum Rollformen von Blech, insbesondere zur Herstellung gerader oder konischer Blechteile als Dach- und/oder Wandverkleidungselemente, mit beiderseits eines Transportweges des zu bearbeitenden Blechs durch die Maschine angeordneten Reihen von Paaren von Formrollen, von denen jeweils eine der Formrollen das Blech von oben und eine von unten beaufschlagen und dadurch formen, wobei die Reihen von Formrollen in ihrem gegenseitigen Abstand verstellbar und bezüglich der Transportrichtung des Blechs im Winkel verstellbar sind, wobei den Reihen von Paaren von Formrollen vorgeschaltet beiderseits des Transportweges des Blechs eine Längsschneideinrichtung für das Blech angeordnet ist, ddie dadurch gekennzeichnet ist, den die Längsschneideinrichtungen unabhängig von den Reihen von Paaren von Formrollen in ihrem gegenseitigen Abstand verstellbar und im Winkel gegenüber der Transportrichtung des Blechs einstellbar sind.The object is achieved with a device for roll forming sheet metal, in particular for producing straight or conical sheet metal parts as a roof and / or wall cladding elements, with both sides of a transport path of sheet to be processed by the machine arranged rows of pairs of forming rollers, each of which acted upon one of the forming rollers from above and one from below and thereby forming the sheet, the rows of forming rollers in their mutual distance adjustable and with respect to the transport direction of the sheet at an angle adjustable, wherein the rows of pairs of forming rollers upstream of both sides of the transport path of the sheet a longitudinal cutting device is arranged for the sheet, d which is characterized in that the longitudinal cutting devices independently of the rows of pairs of forming rollers in their mutual distance adjustable and at an angle the transport direction of the sheet are adjustable.

Je nach verwendetem Material, Wandstärke und Qualität des Blechs lässt sich dieses unterschiedlich leicht rollformen, da die oben genannten Faktoren die so genannte Fließfähigkeit des Blechs beeinflussen. Dabei können die Eigenschaften des Blechs bei einer von einem Coil abgezogenen Blechbahn über deren Länge variieren. Bei den bekannten Anlagen, bei denen keine individuelle Feststellung der Längsschneideinrichtungen möglich ist, sind daher bei Verwendung von problematischem Ausgangsmaterial für die Blechteile Fehler bei der Herstellung der Seitenfalze aufgetreten. Mit der erfindungsgemäßen Vorrichtung können solche Probleme zumindest teilweise ausgeglichen werden, indem beispielsweise ein Blech mit schlechten Fließeigenschaften mit einem geringen Übermaß zugeschnitten den Formrollenpaaren zugeführt wird. Ein Verändern des Beschneidens der Seitenränder des Blechs ist dabei auch noch während der Produktion möglich. Aber auch der Anstellwinkel der Längsschneideinrichtungen kann mithilfe einer entsprechenden Sensoreinrichtung sehr viel präziser auf den Anstellwinkel der Formrollen eingestellt werden, als dies bei den bekannten Anlagen möglich ist. Auch eine leichte Abweichung des Anstellwinkels der Längsschneideinrichtungen vom Anstellwinkel der Formrollen kann in bestimmten Fällen erwünscht sein und lässt sich bei der erfindungsgemäßen Vorrichtung einstellen.Depending on the material used, the wall thickness and the quality of the sheet, it can be roll-formed with varying degrees of ease, since the factors mentioned above influence the so-called flowability of the sheet. In this case, the properties of the sheet may vary in a withdrawn from a coil sheet metal over its length. In the known systems, in which no individual determination of the longitudinal cutting devices is possible, errors in the production of Seitenfalze therefore occurred when using problematic starting material for the sheet metal parts. With the device according to the invention, such problems can be at least partially compensated by, for example, a sheet with poor flow properties with a small oversize cut to the form roller pairs is supplied. A modification of the trimming of the side edges of the sheet is still possible during production. But also the angle of incidence of the longitudinal cutting devices can be adjusted by means of a corresponding sensor device much more precisely to the angle of attack of the forming rollers, as is possible in the known systems. A slight deviation of the angle of incidence of the longitudinal cutting devices from the angle of attack of the forming rollers may be desirable in certain cases and can be adjusted in the device according to the invention.

Bei einer bevorzugten Ausführungsform sind die Längsschneideinrichtungen jeweils auf einem Träger angeordnet, wobei die Träger symmetrisch und/oder asymmetrisch zur Mittellinie des Transportweges durch eine Antriebseinrichtung, die unabhängig von der oder den Antriebseinrichtungen für die Paare von Formrollen ansteuerbar ist, bewegbar sind. Bei einer symmetrischen Verstellung der Längsschneideinrichtungen zur Mittellinie des Transportweges entstehen gleichschenklige konische Bleche. Eine asymmetrische Verstellung ermöglicht die Herstellung von Blechen mit in unterschiedlichen Winkeln geneigten Seitenrändern. Es können auch ein Seitenrand des hergestellten Blechteils gerade und der andere geneigt sein. Durch die völlig unabhängige Ansteuerbarkeit der Träger mit den Längsschneideinrichtungen können diese auch vollständig aus dem Transportweg des Blechs heraus bewegt werden, was die Zuführung von bereits zugeschnittenen Blechtafeln zu den Formrollen erleichtert.In a preferred embodiment, the longitudinal cutting devices are each arranged on a carrier, wherein the carrier is symmetrical and / or asymmetrical to the center line of the transport path by a drive device which is independently controlled by the drive or the devices for the pairs of forming rollers, movable. In a symmetrical adjustment of the slitters to the center line of the transport path result in isosceles conical sheets. An asymmetric adjustment allows the production of sheets with inclined side edges at different angles. It may also be a side edge of the sheet metal part produced straight and the other inclined. Due to the completely independent controllability of the carrier with the longitudinal cutting devices, these can also be moved completely out of the transport path of the sheet, which facilitates the feeding of already cut sheet metal to the forming rollers.

Die Längsschneideinrichtungen können dabei in an sich bekannter Weise von Paaren von Schneidrollen gebildet sein.The longitudinal cutting devices can be formed in a conventional manner by pairs of cutting rollers.

Für die weitere Ausgestaltung der Vorrichtung sind verschiedene Varianten möglich. So können entweder alle Paare von Formrollen einer Reihe auf einem gemeinsamen Träger angeordnet sein oder es können mehrere Träger vorgesehen sein, die jeweils ein Paar oder mehrere Paare von Formrollen tragen. Sind die Formrollenpaare einer Reihe auf mehrere Träger verteilt, so können nicht nur konische Bleche, sondern auch Bleche mit sich nicht kontinuierlich verändernder Breite hergestellt werden. Die Blechteile können dann auch einen sich zunächst konisch verjüngenden Bereich und daran anschließend einen sich wieder erweiternden Bereich und/oder einen Bereich konstanter Breite aufweisen. Sollen jedoch nur streng konische Bleche hergestellt werden, so ist die Anordnung sämtlicher Formrollenpaare einer Seite auf einem gemeinsamen Träger die antriebstechnisch einfachste Lösung.For the further embodiment of the device different variants are possible. Thus, either all pairs of forming rollers of a row can be arranged on a common support or it can be provided a plurality of carriers, each carrying a pair or more pairs of forming rollers. If the pairs of forming rollers of a row are distributed over a plurality of carriers, not only conical plates but also plates with a width that does not vary continuously can be produced. The sheet-metal parts can then also have a region which initially tapers conically and then subsequently a region which widens again and / or a region of constant width. However, if only strictly conical sheets are to be produced, the arrangement of all the pairs of form rollers on one side on a common carrier is the simplest drive technology solution.

Weitere Vorteile ergeben sich, wenn die Längsschneideinrichtungen synchron und/oder zeitlich versetzt zu den Paaren von Formrollen bewegbar sind. Eine zeitlich versetzte Bewegung der Längsschneideinrichtungen ist insbesondere beim Einstellen der Maschine auf einen neuen Blechzuschnitt sinnvoll. Es lassen sich dann die Längsschneideinrichtungen exakt auf die bereits eingestellten Formrollenpaare justieren. Während der Fertigung der Blechteile ist dann eine synchrone Bewegung der Längsschneideinrichtungen zu den Formrollenpaaren sinnvoll.Further advantages are obtained if the longitudinal cutting devices can be moved synchronously and / or with a time offset from the pairs of shaping rollers. A staggered movement of the longitudinal cutting means is particularly useful when setting the machine on a new sheet metal blank. The slitting devices can then be adjusted exactly to the already set pairs of form rollers. During the manufacture of the sheet metal parts, a synchronous movement of the longitudinal cutting devices to the forming roller pairs is then meaningful.

Der Vorrichtung können bereits zugeschnittene Blechtafeln und/oder eine von einem Coil abgezogene Blechbahn zuführbar sein.The device can be fed already cut sheet metal plates and / or drawn from a coil sheet metal web.

Zur Bearbeitung einer von einem Coil abgezogenen Blechbahn zu konischen Blechteilen kann zweckmäßigerweise den Längsschneideinrichtungen vorgeschaltet eine Querschneideinrichtung vorgesehen sein, mit der die gewünschte Länge des Blechteils hergestellt werden kann.For processing a sheet metal web drawn off from a coil to form conical sheet metal parts, it is expedient to provide a cross cutting device upstream of the longitudinal cutting devices with which the desired length of the sheet metal part can be produced.

Weiter ist es möglich, nach den Reihen von Paaren von Formrollen eine weitere Querschneideinrichtung vorzusehen. Diese kann die bereits profilierten Bleche ablängen.Further, it is possible to provide a further cross-cutting device after the rows of pairs of forming rollers. This can cut the already profiled sheets to length.

Zur Vermeidung von Verletzungen können außerdem an den Außenseiten der Reihen mit den Formrollenpaaren Zerkleinerungsvorrichtungen für die durch die Längsschneideinrichtungen abgetrennten Blechstreifen vorgesehen sein. Die zerkleinerten Blechstreifen werden in unterhalb der Zerkleinerungsvorrichtung angeordneten Abfallbehältern aufgefangen und können dann leicht entsorgt werden.In order to avoid injuries may also be provided on the outsides of the rows with the forming roller pairs crushing devices for the separated by the longitudinal cutting devices sheet metal strip. The crushed metal strips are collected in arranged below the crushing device waste containers and can then be easily disposed of.

Nachfolgend wird ein bevorzugtes Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung anhand der Zeichnung näher beschrieben.Hereinafter, a preferred embodiment of a device according to the invention will be described in more detail with reference to the drawing.

Die einzige Figur zeigt eine schematische Draufsicht auf einen Rollformer 10, der zwei Träger 11, 12 aufweist, auf denen jeweils vier Formrollenpaare 13, 14, 15, 16 und 17, 18, 19, 20 angeordnet sind. Die Formrollenpaare 13 bis 16 und 17 bis 20 schließen zwischen sich einen Transportweg für ein hier nicht dargestelltes Blech ein, in dessen Ränder sie ein Profil einformen. Die Träger 11, 12 sind um Achsen 21, 22 schwenkbar gelagert. Für die Führung der Schwenkbewegung der Träger 11, 12 sind am den Achsen 21, 22 gegenüberliegenden Ende der Träger 11, 12 bogenförmige Führungen 23, 24 angeordnet. Im dargestellten Beispiel sind die Träger 11, 12 zur Herstellung konischer Bleche jeweils um den Winkel α gegenüber der durch einen Pfeil 25 angedeuteten Transportrichtung des Blechs, die auch der Richtung der Mittellinie 26 des Rollformers 10 entspricht, geneigt. Um die Träger 11, 12 während der Herstellung der Bleche auf die Mittellinie 26 zu und anschließend wieder von dieser weg bewegen zu können, ruhen die Träger 11, 12 auf zwei Querführungen 27, 28 entlang denen sie mithilfe von durch Motoren 29, 30 angetriebenen Spindeln 31, 32 quer zur Mittellinie 26 bewegbar sind. Im dargestellten Beispiel sind für jeden Träger 11, 12 eine gesonderte Spindel 31, 32 und ein gesonderter Motor 29, 30 vorgesehen, wodurch es möglich ist, auch asymmetrische Bleche herzustellen. Die Träger 11, 12 lassen sich unabhängig voneinander in ihren Winkeln zur Mittellinie 26 sowie in ihrem Abstand zur Mittellinie 26 verstellen. Sollen lediglich gleichschenklige konische Bleche hergestellt werden, könnte auch nur eine Spindel und ein Motor für beide Träger 11, 12 vorgesehen werden.The sole FIGURE shows a schematic plan view of a roll former 10, which has two carriers 11, 12, on each of which four pairs of forming rollers 13, 14, 15, 16 and 17, 18, 19, 20 are arranged. The form roller pairs 13 to 16 and 17 to 20 include between them a transport path for a sheet not shown here, in the edges of which form a profile. The carriers 11, 12 are pivotally mounted about axes 21, 22. For the guidance of the pivotal movement of the carrier 11, 12 are on the axes 21, 22 opposite end of the carrier 11, 12 arcuate guides 23, 24 are arranged. In the example shown, the carriers 11, 12 for the production of conical plates in each case by the angle α relative to the direction indicated by an arrow 25 transport direction of the sheet, which also corresponds to the direction of the center line 26 of the roll former 10, inclined. In order to move the carrier 11, 12 during the manufacture of the sheets on the center line 26 and then back away from this, the rest Carrier 11, 12 on two transverse guides 27, 28 along which they are movable by means of motors 29, 30 driven by spindles 31, 32 transversely to the center line 26. In the example shown, a separate spindle 31, 32 and a separate motor 29, 30 are provided for each carrier 11, 12, whereby it is possible to produce asymmetric sheets. The beams 11, 12 can be independently adjusted in their angles to the center line 26 and in their distance from the center line 26. If only isosceles conical plates are to be produced, only one spindle and one motor could be provided for both carriers 11, 12.

Den Trägern 11, 12 mit den Formrollenpaaren 13 bis 16 und 17 bis 20 in Transportrichtung 25 des Blechs vorgeschaltet sind zwei weitere Träger 33, 34 vorgesehen, auf denen jeweils eine Längsschneideinrichtung 35, 36 angeordnet ist. Die Träger 33, 34 sind um Achsen 37, 38 schwenkbar. Die Schwenkbewegung wird auch bei den Trägern 33 und 34 durch bogenförmige Führungen 39, 40 kontrolliert. Der Winkel β, den die Träger 33, 34 mit der Mittellinie 26 des Rollformers 10 einschließen, entspricht im dargestellten Beispiel exakt den Winkeln α der Träger 11, 12, was jedoch nicht für alle Anwendungen zwingend ist. Der Abstand der Träger 33, 34 zur Mittellinie 26 lässt sich über Motoren 41, 42, die jeweils Spindeln 43, 44 antreiben, einstellen. Dazu ruhen auch die Träger 33, 34 auf einer Querführung 45.The carriers 11, 12 with the forming roller pairs 13 to 16 and 17 to 20 in the transport direction 25 of the sheet are preceded by two further carrier 33, 34 are provided, on each of which a longitudinal cutting means 35, 36 is arranged. The carriers 33, 34 are pivotable about axes 37, 38. The pivotal movement is also controlled in the carriers 33 and 34 by arcuate guides 39, 40. The angle β, which enclose the carrier 33, 34 with the center line 26 of the roll former 10, in the example shown corresponds exactly to the angles α of the carrier 11, 12, which is not mandatory for all applications. The distance of the carrier 33, 34 to the center line 26 can be adjusted via motors 41, 42, each of which drives spindles 43, 44. For this rest, the carrier 33, 34 on a transverse guide 45th

Die Motoren 41 und 42 können mit den Motoren 29 und 30 der Träger 11, 12 synchronisiert sein, müssen dies aber nicht. Insbesondere bei der Vornahme der Einstellung der Winkel α und β ist es zweckmäßig, zunächst die Winkel α der Träger 11, 12 einzustellen und dann abgestimmt auf die tatsächliche Position der Formrollenpaare 13 bis 16 und 17 bis 20 die Winkel β. Dadurch lassen sich die Längsschneideinrichtungen 35, 36 sehr viel genauer positionieren als bei bekannten Rollformern mit auf den Trägern der Formrollenpaare angeordneten Längsschneideinrichtungen.The motors 41 and 42 may or may not be synchronized with the motors 29 and 30 of the carriers 11, 12. In particular, when making the adjustment of the angle α and β, it is expedient first to adjust the angle α of the carrier 11, 12 and then adjusted to the actual position of the forming roller pairs 13 to 16 and 17 to 20, the angle β. As a result, the longitudinal cutting devices 35, 36 can be positioned much more accurately than in the case of known roll formers with longitudinal cutting devices arranged on the carriers of the forming roller pairs.

Claims (8)

  1. Apparatus for roll forming sheet metal, and particularly for producing straight or tapering sheet metal parts in the form of members for roof and/or wall cladding, having, arranged on the two sides of a path along which the sheet metal being worked on is transported through the apparatus, rows of pairs (13 to 20) of roller dies, in each of which pairs (13 to 20) of roller dies one of the roller dies is applied to the sheet metal from above and one from below and thereby form it, the rows of roller dies being adjustable in respect of the distance between them and in respect of their angle to the direction of transport (25) of the sheet, the rows of pairs (13 to 20) of roller dies having inserted upstream of them, on each of the two sides of the path of transport of the sheet metal, an arrangement for longitudinal cutting (35, 36) for the sheet metal, characterised in that the arrangements for longitudinal cutting (35, 36) are adjustable in respect of the distance between and are able to be set in respect of their angle to the direction of transport (25) of the sheet metal, independently of the rows of pairs (13 to 20) of roller dies.
  2. Apparatus according to claim 1, characterised in that the arrangements for longitudinal cutting (35, 36) are formed by pairs of cutting rollers.
  3. Apparatus according to claim 1 or 2, characterised in that the arrangements for longitudinal cutting (35, 36) are arranged on respective supports (33, 34), the supports (33, 34) being movable, symmetrically and/or asymmetrically to the centreline of the path of transport, by a drive arrangement which can be operated independently of the drive arrangement or arrangements for the pairs (13 to 20) of roller dies.
  4. Apparatus according to one of the preceding claims, characterised in that all the pairs (13 to 20) of roller dies in a row are arranged on one common support (11, 12), or in that a plurality of supports (11, 12) are provided each of which carries one or more pairs of roller dies.
  5. Apparatus according to one of the preceding claims, characterised in that the arrangements for longitudinal cutting (35, 36) can be moved synchronously with the pairs (13 to 20) of roller dies and/or with a lag relative thereto.
  6. Apparatus according to one of the preceding claims, characterised in that the arrangements for longitudinal cutting (35, 36) have an arrangement for transverse cutting provided upstream of them.
  7. Apparatus according to one of the preceding claims, characterised in that the rows of pairs (13 to 20) of roller dies have a further arrangement for transverse cutting arranged downstream of them.
  8. Apparatus according to one of the preceding claims, characterised in that sheets of sheet metal and/or planar sheet metal drawn from a coil can be fed to it.
EP20090011347 2008-10-20 2009-09-03 Device for sheet metal roll forming Not-in-force EP2177285B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200820013876 DE202008013876U1 (en) 2008-10-20 2008-10-20 Apparatus for roll forming sheet metal

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EP2177285A1 EP2177285A1 (en) 2010-04-21
EP2177285B1 true EP2177285B1 (en) 2012-09-26

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EP20090011347 Not-in-force EP2177285B1 (en) 2008-10-20 2009-09-03 Device for sheet metal roll forming
EP20090012785 Withdrawn EP2180126A2 (en) 2008-10-20 2009-10-09 Stretchable sealing tape

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EP20090012785 Withdrawn EP2180126A2 (en) 2008-10-20 2009-10-09 Stretchable sealing tape

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CN103434373A (en) * 2013-07-31 2013-12-11 镇江康飞机器制造有限公司 Skylight
CN110103151B (en) * 2019-05-31 2024-03-22 长沙矿冶研究院有限责任公司 Cleaning system and method for cleaning sheet metal by high-pressure water jet blasting descaling
DE202019004178U1 (en) * 2019-10-10 2020-01-09 Wilhlem Röttger Carrier element for a plastically deformable material web
DE102020118420A1 (en) 2020-07-13 2022-01-13 Alexander Bonn Device for producing a tube from a plastically deformable band material
CN113118271B (en) * 2021-04-12 2024-05-28 江苏孜俊自动化科技有限公司 Electric control type sleeve-free edge sealing device for machining composite plate
CN115283512B (en) * 2022-08-16 2023-08-08 江苏九为新材料有限公司 Automatic rolling device for processing aluminum alloy plate

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461447B (en) * 1988-07-15 1990-02-19 Wictor Carl Olof Lindstroem DEVICE FOR ROLLING OF SHEET MATERIALS FOR PREPARATION OF POSTS
DE19914071A1 (en) 1999-03-27 2000-10-19 Oskar Fleck Cover strip for exterior building work comprises corrugated metal cover layer filled on underside with butyl rubber adhesive sealant
SE521076C2 (en) 2000-11-29 2003-09-30 Ortic Ab Roll forming machine with removable forming stations
DE20213775U1 (en) 2002-07-05 2002-11-21 Brinkmann Peter Stretchable web material
SE0500954L (en) * 2005-04-28 2006-02-14 Ortic Ab Production line and way of forming profiles

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DE202008013876U1 (en) 2010-03-18
EP2180126A2 (en) 2010-04-28

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