EP2879815B1 - Straightening roller unit - Google Patents

Straightening roller unit Download PDF

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Publication number
EP2879815B1
EP2879815B1 EP13707799.6A EP13707799A EP2879815B1 EP 2879815 B1 EP2879815 B1 EP 2879815B1 EP 13707799 A EP13707799 A EP 13707799A EP 2879815 B1 EP2879815 B1 EP 2879815B1
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EP
European Patent Office
Prior art keywords
straightening
roller unit
rollers
unit according
straightening rollers
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EP13707799.6A
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German (de)
French (fr)
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EP2879815A1 (en
Inventor
Walter Resch
Robert Tremmel
Peter Kainz
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EVG Entwicklungs und Verwertungs GmbH
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EVG Entwicklungs und Verwertungs GmbH
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    • 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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/02—Straightening

Definitions

  • the invention relates to a straightening roller unit for wire, rod or strip-shaped straightening made of steel, in particular wires, rods, profiles, bands, with pairwise cooperating straightening rollers, which can be adjusted against the straightening and be ventilated by this, wherein the straightening rollers are driven and for the straightening process required feed force is introduced by friction of the straightening rollers in the straightening, and wherein the straightening rollers are coupled with associated drive elements which are drivable by a drive device via a drive power distribution gear.
  • the generic EP 1 038 602 A2 teaches a method and apparatus for straightening profiles.
  • a set of straightening rollers is provided, the straightening axes are hydraulically adjustable.
  • the disadvantage here is that the degree of adjustability is very small, since the straightening rollers are driven parallel to their adjustability by a mechanically fixed gear.
  • the DE 1 812 588 A1 shows a roller leveler with driven straightening roller pairs, in which the pairwise opposite straightening rollers can only be adjusted together with respect to the axis of the straightened. An adjustability the straightening rollers relative to each other within a pair is not possible.
  • the EP 0 864 387 A1 discloses a straightening roller unit with partially adjustable straightening rollers.
  • the adjustable rollers are not driven, so disadvantageously an external drive for the straightening is required.
  • the EP 0 689 884 A1 relates to a Rollenrichtmaschine for straightening profiled rolling with adjustable by motorized spindles straightening rollers.
  • a disadvantage is the filigree and thus interference-prone structure of the spindles with gear and the relatively small degree of achievable by spindles adjustability of the roller axes.
  • the invention aims to provide an improved straightening roller unit, which is preceded example of a wire bending plant and operated with less energy than before and can be used for processing of round or square, rod-shaped or present in winding straightening.
  • the invention achieves this in a generic device characterized in that the driving force distribution gear has the straightening rollers associated pairs of upper and lower gears whose axes are coupled as well as the axes of the straightening rollers on swing, the lower gears are mounted in a housing main plate on double bearings whereas the upper gears are supported by the wings and a rotatably mounted bearing housing in the same housing main plate and coupled to the adjusting device.
  • the invention thus eliminates the previously used separate drive wheels.
  • the feed force needed for the straightening process is rather applied directly over the straightening rollers themselves.
  • the straightening rollers are individually or jointly drivable.
  • the straightening rollers can be made individually by hand or motorized to the straightening and be ventilated by this.
  • all straightening rollers can be adjusted by hand or by means of a motor-driven central adjusting device to the straightening material and can be released from it.
  • the straightening rollers can thus be employed individually or motor-driven or jointly manually or motor-driven to the straightening in the context of the invention, depending on Richtgutgeometrie and straightening.
  • the processing of the straightened material can be done in a single pass or parallel pass.
  • All drive and Anstellvortician are executable by means of a program control device.
  • the straightening roller unit shown is intended for straight straightening of elongate straightening material 1, such as wires, rods, profiles, bands, etc.
  • the straightening material 1 can have an angular or round cross-section and cut to length or in rod form or winding form.
  • a consisting of substantially three interconnected plates 2 ', 2 ", 2"' housing 2 ( Fig. 3 ) receives one or more in the feed direction P successively connected pairs of upper and lower straightening rollers 6, which are arranged on both sides of a Richtgutvorschubebene.
  • a mounted on the outside of a housing plate 2 ", eg electric drive device 3 is used to drive a subsequently explained transmission device 4 for distributing the force applied by the drive device 3 feed force to the individual straightening rollers. 6
  • a motor-operated Einzelverstell Nurstell Nurs 7 and a manually or motor-operated Primaverstell Nurs 8 are arranged for the straightening rollers 6.
  • the engine operation is controlled by a program control device, not shown.
  • the housing 2 also serves to protect against dirt and mechanical damage, e.g. through the Richtgut 1.
  • the driven by the program control device not shown drive device 3 has a drive sprocket 5 for the distribution gear device 4, which, starting from a Verteilzahnrad 5 'and in a middle housing plate 2'"mounted insects 5" the drive power of the drive gear 5 via a series of meshing gears 4 'on the associated straightening rollers. 6 distributed.
  • all straightening rollers 6 are driven.
  • the gears 4 ' can be driven individually. Instead of the gears 4 'may for example also be provided belt.
  • this distribution gear device 4 is chosen so that the output side arranged upper straightening rollers 6 the requirements of Richtgeometrie and the straightening quality and the feed force can be made independently or together to the Richtgut 1, without losing the Vorschubkraft gleich or to interrupt.
  • the straightening rollers 6 are designed as double track guidelines, wherein the lower straightening rollers 6 are mounted in a rotatably mounted in the housing plate 2 'bearing housing 6', whereas the upper bearing housing 6 "with the therein mounted upper straightening rollers 6 via the two wings 14 with the lower bearing housing 6 'is firmly connected, as the Fig. 2 and 5 illustrate.
  • the straightening rollers 6 and drive gears 4 'arranged above the straightening material 1 are connected to the adjusting devices 7, 8 via the individual adjusting device 8' and via the bearing housings 6 " to the straightening 1, the gears 4 'are always in engagement.
  • the same time serving as feed elements for the straightening 1 straightening rollers 6 can be smooth, but also to increase the friction are performed with profiled surface.
  • the profile of the straightening rollers 6 V-shape, as in the embodiment shown, circular shape, ellipse shape or any other shape.
  • the upper straightening rollers 6 can also individually by hand or motor in the direction of the arrow P1 in Fig. 1 be made to the straightening material 1 via the adjusting spindle 7.
  • the actuator 9 may be formed as a hydraulic cylinder or electric motor, etc.
  • the setting values for the various straightening goods of the adjusting devices 7, 8, which are controlled by the program control device, not shown, can be stored in the control device in partial or fully automatic mode, so that they can be quickly restored with frequent change of Richtgutes 1.
  • the actuator 9 of the central adjusting device 8 can also be adapted to the requirements of the hand, e.g. be operated by means of a hand crank or motor via manual pushbutton and by means of the parent program control device.
  • FIG. 3 Another on the housing 2 based hydraulic actuator 10 ( Fig. 3 ) serves to adjust the straightening rollers 6 transversely to the directional plane in the direction of the arrow P10 in Fig. 3 , also, this actuator 10 may instead of hydraulically actuated for manual or electromotive operation are performed, with its operation can be controlled by the program control device. It also serves to compensate for any torsional stresses occurring in Richtgut 1. Finally, the inlet side and a retraction clamping device 13 is provided for the Richtgut 1.
  • Fig. 6 to 8 illustrate the operation of the straightening unit for straightening two wires 11, 12 guided in parallel in double track straightening rollers 6. It is often necessary to feed an odd number of wires to feed a downstream wire bending machine. For this purpose, according to the invention alternately the drive of a pair of straightening rollers 6 are stopped. According to Fig. 7 the wire 11 is directed, whereas the wire 12 is stationary and the associated straightening rollers 6 run in bearings 15 empty. In Fig. 8 the situation is reversed.
  • the straightening unit according to the invention is able to hold the straightening material 1 exactly in position, regardless of the number of straightening tracks, and also makes it possible to reverse the feed direction.
  • a driving device for threading the Richtgutes 1 can be provided before and / or behind the straightening unit, a driving device, not shown.
  • the path of the Richtgutes 1 can be any trajectory, which are superimposed on the necessary for straightening deliveries.
  • the straightening roller unit can cover a common straightening diameter range of 3 to 20 mm.
  • the diameter range is the straightening rollers 6 usually between 50 and 150 mm.
  • the invention is modular in such a way that the input side, depending on the requirements, electric, hydraulic, pneumatic motors and jack drives directly or via gearboxes with fixed or variable transmission, e.g. a manual transmission, can be provided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Metal Rolling (AREA)

Description

Die Erfindung betrifft eine Richtrolleneinheit für draht-, stab- oder bandförmiges Richtgut aus Stahl, insbesondere Drähte, Stäbe, Profile, Bänder, mit paarweise zusammenwirkenden Richtrollen, die gegen das Richtgut anstellbar und von diesem lüftbar sind, wobei die Richtrollen angetrieben sind und die für den Richtvorgang erforderliche Vorschubkraft durch Reibung der Richtrollen in das Richtgut eingebracht wird, und wobei die Richtrollen mit zugeordneten Antriebselementen gekuppelt sind, die von einer Antriebsvorrichtung über ein Antriebskraft-Verteilgetriebe antreibbar sind.The invention relates to a straightening roller unit for wire, rod or strip-shaped straightening made of steel, in particular wires, rods, profiles, bands, with pairwise cooperating straightening rollers, which can be adjusted against the straightening and be ventilated by this, wherein the straightening rollers are driven and for the straightening process required feed force is introduced by friction of the straightening rollers in the straightening, and wherein the straightening rollers are coupled with associated drive elements which are drivable by a drive device via a drive power distribution gear.

Aufgrund der immer höher werdenden Anforderungen an die Energieeffizienz von Maschinen und Anlagen zum Richten von derartigem Richtgut wurde auf dem Gebiet des Rollenrichtens mit Vorschubrollen die Energiebilanz überprüft. Ergebnis dieser Untersuchung ist, daß ein wesentlicher Teil der eingesetzten Energie durch Walz- und Reibungsverluste, verursacht durch die Antriebsräder bzw. Antriebsrollen, verloren geht. Des weiteren ist der Energieanteil zur Beschleunigung dieser Antriebseinheiten aufgrund der Massenträgheit erheblich.Due to the ever increasing demands on the energy efficiency of machines and plants for straightening such straightening goods, the energy balance was checked in the field of roller straightening with feed rollers. The result of this investigation is that a substantial part of the energy used is lost through rolling and friction losses caused by the drive wheels or drive rollers. Furthermore, the proportion of energy used to accelerate these drive units is considerable due to the mass inertia.

Die gattungsbildende EP 1 038 602 A2 lehrt ein Verfahren und eine maschinelle Einrichtung zum Richten von Profilen. Dazu ist eine Garnitur von Richtrollen vorgesehen, deren Richtachsen hydraulisch verstellbar sind. Nachteilig ist hier, daß das Maß der Verstellbarkeit sehr klein ausfällt, da die Richtrollen parallel zu ihrer Verstellbarkeit durch ein mechanisch feststehendes Getriebe angetrieben sind.The generic EP 1 038 602 A2 teaches a method and apparatus for straightening profiles. For this purpose, a set of straightening rollers is provided, the straightening axes are hydraulically adjustable. The disadvantage here is that the degree of adjustability is very small, since the straightening rollers are driven parallel to their adjustability by a mechanically fixed gear.

Die DE 1 812 588 A1 zeigt eine Rollenrichtmaschine mit angetriebenen Richtrollenpaaren, bei welchen sich die paarweise gegenüberliegenden Richtrollen nur gemeinsam hinsichtlich der Achse des Richtgutes verstellen lassen. Eine Verstellbarkeit der Richtrollen relativ zueinander innerhalb eines Paares ist nicht möglich.The DE 1 812 588 A1 shows a roller leveler with driven straightening roller pairs, in which the pairwise opposite straightening rollers can only be adjusted together with respect to the axis of the straightened. An adjustability the straightening rollers relative to each other within a pair is not possible.

Die EP 0 864 387 A1 offenbart eine Richtrolleneinheit mit teilweise verstellbaren Richtrollen. Die verstellbaren Rollen sind jedoch nicht angetrieben, weshalb nachteiligerweise ein externer Antrieb für das Richtgut erforderlich ist.The EP 0 864 387 A1 discloses a straightening roller unit with partially adjustable straightening rollers. However, the adjustable rollers are not driven, so disadvantageously an external drive for the straightening is required.

Die EP 0 689 884 A1 betrifft eine Rollenrichtmaschine zum Richten von profiliertem Walzgut mit durch motorisch angetriebenen Spindeln verstellbaren Richtrollen. Nachteilig ist der filigrane und dadurch störanfällige Aufbau der Spindeln mit Getriebe sowie das relativ kleine Maß der durch Spindeln erzielbaren Verstellbarkeit der Rollenachsen.The EP 0 689 884 A1 relates to a Rollenrichtmaschine for straightening profiled rolling with adjustable by motorized spindles straightening rollers. A disadvantage is the filigree and thus interference-prone structure of the spindles with gear and the relatively small degree of achievable by spindles adjustability of the roller axes.

Die Erfindung zielt darauf ab, eine verbesserte Richtrolleneinheit zu schaffen, die beispielsweise einer Drahtbiegeanlage vorgeschaltet wird und mit geringerem Energieaufwand als bisher betrieben sowie zum Bearbeiten von rundem oder eckigem, stabförmigem oder in Wickelform vorliegendem Richtgut verwenden werden kann. Die Erfindung erreicht dies bei einer gattungsgemäßen Vorrichtung dadurch, daß das Antriebskraft-Verteilgetriebe den Richtrollen zugeordnete Paare von oberen und unteren Zahnrädern aufweist, deren Achsen ebenso wie die Achsen der Richtrollen über Schwingen gekuppelt sind, wobei die unteren Zahnräder in einer Gehäusehauptplatte über Doppellager gelagert sind, wogegen die oberen Zahnräder über die Schwingen und ein drehbar gelagertes Lagergehäuse in derselben Gehäusehauptplatte gelagert und mit der Verstelleinrichtung gekuppelt sind.The invention aims to provide an improved straightening roller unit, which is preceded example of a wire bending plant and operated with less energy than before and can be used for processing of round or square, rod-shaped or present in winding straightening. The invention achieves this in a generic device characterized in that the driving force distribution gear has the straightening rollers associated pairs of upper and lower gears whose axes are coupled as well as the axes of the straightening rollers on swing, the lower gears are mounted in a housing main plate on double bearings whereas the upper gears are supported by the wings and a rotatably mounted bearing housing in the same housing main plate and coupled to the adjusting device.

Bei der Erfindung entfallen somit die bisher verwendeten gesonderten Antriebsräder. Die für den Richtvorgang benötigte Vorschubkraft wird vielmehr direkt über die Richtrollen selbst aufgebracht. Gemäß einer vorteilhaften Ausführungsform der Erfindung sind die Richtrollen einzeln oder gemeinsam antreibbar.The invention thus eliminates the previously used separate drive wheels. The feed force needed for the straightening process is rather applied directly over the straightening rollers themselves. According to an advantageous embodiment of the invention, the straightening rollers are individually or jointly drivable.

Nach einem weiteren bevorzugten Ausführungsbeispiel ist die Anstellung der Richtrollen an das Richtgut ohne Unterbrechung des Vorschubkraftschlusses ausführbar.According to a further preferred embodiment, the employment of the straightening rollers to the straightening without interrupting the Vorschubkraftschlusses executable.

Im Rahmen der Erfindung können die Richtrollen einzeln von Hand oder motorgetrieben an das Richtgut angestellt und von diesem gelüftet werden.In the context of the invention, the straightening rollers can be made individually by hand or motorized to the straightening and be ventilated by this.

Alternativ sind alle Richtrollen von Hand oder über eine motorgetriebene Zentralverstelleinrichtung gemeinsam an das Richtgut anstellbar und von diesem lüftbar.Alternatively, all straightening rollers can be adjusted by hand or by means of a motor-driven central adjusting device to the straightening material and can be released from it.

Die Richtrollen können somit im Rahmen der Erfindung je nach Richtgutgeometrie und Richtergebnis einzeln manuell oder motorgetrieben bzw. gemeinsam manuell oder motorgetrieben an das Richtgut angestellt werden.The straightening rollers can thus be employed individually or motor-driven or jointly manually or motor-driven to the straightening in the context of the invention, depending on Richtgutgeometrie and straightening.

Die Bearbeitung des Richtgutes kann im Einzeldurchlauf oder Paralleldurchlauf erfolgen.The processing of the straightened material can be done in a single pass or parallel pass.

Alle Antriebs- und Anstellvorgänge sind mittels einer Programmsteuereinrichtung ausführbar.All drive and Anstellvorgänge are executable by means of a program control device.

Die Erfindung und weitere bevorzugte Merkmale derselben werden nachfolgend an Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen:

  • Fig. 1 eine schematische Ansicht eines Teiles der Richtrolleneinheit gemäß einer Ausführungsform der Erfindung nach dem Pfeil I in Fig. 3;
  • Fig. 2 eine gesprengte perspektivische Ansicht der Darstellung nach Fig. 1 bei teilweise entfernten Gehäuseplatten, um die Antriebsvorrichtung sichtbar zu machen;
  • Fig. 3 eine Stirnansicht der Richtrolleneinheit nach dem Pfeil III in Fig. 1;
  • Fig. 4 eine schematische Seitenansicht der Richtrolleneinheit mit an das Richtgut angestellten Richtrollen;
  • Fig. 5 eine gesprengte Teil-Detailansicht der Lagerung der Richtrollen und Antriebselemente in der Gehäusehauptplatte;
  • Fig. 6 eine schematische Seitenansicht mit an das Richtgut angestellten Richtrollen; und
    die Fig. 7 und 8 Details im Schnitt nach den Linien A-A und B-B in Fig. 6.
The invention and further preferred features thereof are explained in more detail below with reference to exemplary embodiments with reference to the drawings. Show it:
  • Fig. 1 a schematic view of a portion of the straightening roller unit according to an embodiment of the invention according to the arrow I in Fig. 3 ;
  • Fig. 2 an exploded perspective view of the illustration Fig. 1 at partially removed housing plates to make the drive device visible;
  • Fig. 3 an end view of the straightening roller unit according to the arrow III in Fig. 1 ;
  • Fig. 4 a schematic side view of the straightening roller unit with employed on the straightening straightening rollers;
  • Fig. 5 an exploded partial detail view of the storage of the straightening rollers and drive elements in the housing main plate;
  • Fig. 6 a schematic side view with employed on the straightening straightening rollers; and
    the FIGS. 7 and 8 Details in section along the lines AA and BB in Fig. 6 ,

Die dargestellte Richtrolleneinheit ist zum Geradrichten von langgestrecktem Richtgut 1 bestimmt, wie Drähte, Stäbe, Profile, Bänder usw. Das Richtgut 1 kann eckigen oder runden Querschnitt haben und abgelängt bzw. in Stabform oder Wickelform vorliegen. Ein aus im wesentlichen drei miteinander verbundenen Platten 2', 2", 2"' bestehendes Gehäuse 2 (Fig. 3) nimmt ein oder mehrere in Vorschubrichtung P hintereinander geschaltete Paare von oberen und unteren Richtrollen 6 auf, die zu beiden Seiten einer Richtgutvorschubebene angeordnet sind. Eine an der Außenseite der einen Gehäuseplatte 2" montierte, z.B. elektrische Antriebsvorrichtung 3 dient zum Antrieb einer nachfolgend erläuterten Getriebevorrichtung 4 zum Verteilen der von der Antriebsvorrichtung 3 aufgebrachten Vorschubkraft auf die einzelnen Richtrollen 6.The straightening roller unit shown is intended for straight straightening of elongate straightening material 1, such as wires, rods, profiles, bands, etc. The straightening material 1 can have an angular or round cross-section and cut to length or in rod form or winding form. A consisting of substantially three interconnected plates 2 ', 2 ", 2"' housing 2 ( Fig. 3 ) receives one or more in the feed direction P successively connected pairs of upper and lower straightening rollers 6, which are arranged on both sides of a Richtgutvorschubebene. A mounted on the outside of a housing plate 2 ", eg electric drive device 3 is used to drive a subsequently explained transmission device 4 for distributing the force applied by the drive device 3 feed force to the individual straightening rollers. 6

Ferner sind im Gehäuse 2 eine von Hand oder motorisch betätigte Einzelverstelleinrichtung 7 und eine von Hand oder motorisch betätigte Zentralverstelleinrichtung 8 für die Richtrollen 6 angeordnet. Die Motorbetätigung wird über eine nicht gezeigte Programmsteuereinrichtung angesteuert. Das Gehäuse 2 dient zugleich zum Schutz gegen Schmutz und der mechanischen Beschädigungen, z.B. durch das Richtgut 1.Further, in the housing 2 by hand or a motor-operated Einzelverstelleinrichtung 7 and a manually or motor-operated Zentralverstelleinrichtung 8 are arranged for the straightening rollers 6. The engine operation is controlled by a program control device, not shown. The housing 2 also serves to protect against dirt and mechanical damage, e.g. through the Richtgut 1.

Die von der nicht gezeigten Programmsteuereinrichtung angesteuerte Antriebsvorrichtung 3 weist ein Antriebszahnritzel 5 für die Verteil-Getriebevorrichtung 4 auf, welche ausgehend von einem Verteilzahnrad 5' und einer in einer mittleren Gehäuseplatte 2'" gelagerten Zwischenzahnwelle 5" die Antriebsleistung des Antriebszahnrades 5 über eine Reihe von miteinander kämmenden Zahnrädern 4' auf die zugeordneten Richtrollen 6 verteilt. Beim gezeigten Beispiel sind alle Richtrollen 6 angetrieben. Bei einer nicht gezeigten Ausführungsform können die Zahnräder 4' einzeln angetrieben werden. Anstelle der Zahnräder 4' können z.B. auch Riemen vorgesehen sein.The driven by the program control device not shown drive device 3 has a drive sprocket 5 for the distribution gear device 4, which, starting from a Verteilzahnrad 5 'and in a middle housing plate 2'"mounted Zwischenzahnwelle 5" the drive power of the drive gear 5 via a series of meshing gears 4 'on the associated straightening rollers. 6 distributed. In the example shown, all straightening rollers 6 are driven. In an embodiment not shown, the gears 4 'can be driven individually. Instead of the gears 4 'may for example also be provided belt.

Die Geometrie dieser Verteil-Getriebevorrichtung 4 ist so gewählt, daß die abtriebsseitig angeordneten oberen Richtrollen 6 den Erfordernissen der Richtgeometrie und der Richtqualität sowie der Vorschubkraft entsprechend unabhängig voneinander oder gemeinsam an das Richtgut 1 angestellt werden können, ohne dabei den Vorschubkraftschluß zu verlieren bzw. zu unterbrechen.The geometry of this distribution gear device 4 is chosen so that the output side arranged upper straightening rollers 6 the requirements of Richtgeometrie and the straightening quality and the feed force can be made independently or together to the Richtgut 1, without losing the Vorschubkraftschluss or to interrupt.

Die Richtrollen 6 sind als Doppelspur-Richtlinien ausgebildet, wobei die unteren Richtrollen 6 in einem in der Gehäuseplatte 2' drehbar gelagerten Lagergehäuse 6' gelagert sind, wogegen das obere Lagergehäuse 6" mit den darin gelagerten oberen Richtrollen 6 über die beiden Schwingen 14 mit dem unteren Lagergehäuse 6' fest verbunden ist, wie die Fig. 2 und 5 illustrieren.The straightening rollers 6 are designed as double track guidelines, wherein the lower straightening rollers 6 are mounted in a rotatably mounted in the housing plate 2 'bearing housing 6', whereas the upper bearing housing 6 "with the therein mounted upper straightening rollers 6 via the two wings 14 with the lower bearing housing 6 'is firmly connected, as the Fig. 2 and 5 illustrate.

Die oberhalb des Richtgutes 1 angeordneten Richtrollen 6 und Antriebszahnräder 4' sind über die Einzelverstelleinrichtung 8' und über die Lagergehäuse 6" mit den Verstelleinrichtungen 7, 8 verbunden. Der Drehmittelpunkt 4" der Einzelverstelleinrichtung 8' ist so positioniert, daß bei Zustellung der Richtrollen 6 an das Richtgut 1 die Zahnräder 4' immer im Eingriff sind.The straightening rollers 6 and drive gears 4 'arranged above the straightening material 1 are connected to the adjusting devices 7, 8 via the individual adjusting device 8' and via the bearing housings 6 " to the straightening 1, the gears 4 'are always in engagement.

Diese Konstruktion ermöglicht es, das gesamte Verteilgetriebe 4 im Sinne der Pfeile P2, P3 (Fig. 1) um Lagerpunkte zu verschwenken, die gemäß Fig. 5 durch die Achsen 4" der in der Gehäusehauptplatte 2' gelagerten oberen Richtrollen 6 definiert sind.This construction makes it possible, the entire distribution gear 4 in the direction of arrows P2, P3 ( Fig. 1 ) to pivot bearing points that are in accordance with Fig. 5 are defined by the axes 4 "of the housing main plate 2 'mounted upper straightening rollers 6.

Die zugleich als Vorschubelemente für das Richtgut 1 dienenden Richtrollen 6 können mit glatter, aber auch zur Erhöhung der Reibung mit profilierter Oberfläche ausgeführt werden. Insbesondere kann das Profil der Richtrollen 6 V-Form, wie beim gezeigten Ausführungsbeispiel, Kreisform, Ellipsenform oder eine beliebige andere Form haben.The same time serving as feed elements for the straightening 1 straightening rollers 6 can be smooth, but also to increase the friction are performed with profiled surface. In particular, the profile of the straightening rollers 6 V-shape, as in the embodiment shown, circular shape, ellipse shape or any other shape.

Die Verstellung bzw. Anstellung der Richtrollen 6 an das Richtgut 1 erfolgt quer zur Vorschubrichtung (Pfeil P4 in Fig. 4), beim dargestellten Beispiel über die Zentralverstelleinrichtung 8 und die Einzelverstelleinrichtung 8'. Alternativ dazu ist auch eine lineare Zustellung möglich.The adjustment or employment of the straightening rollers 6 to the straightened material 1 takes place transversely to the feed direction (arrow P4 in Fig. 4 ), in the example shown on the Zentralverstelleinrichtung 8 and the Einzelverstelleinrichtung 8 '. Alternatively, a linear delivery is possible.

Die oberen Richtrollen 6 können auch einzeln von Hand oder motorisch im Sinne des Pfeiles P1 in Fig. 1 über die Verstellspindel 7 an das Richtgut 1 angestellt werden.The upper straightening rollers 6 can also individually by hand or motor in the direction of the arrow P1 in Fig. 1 be made to the straightening material 1 via the adjusting spindle 7.

Wenn alle Richtrollen 6 über das in der Gehäusehauptplatte 2' bei 9' gelagerte zentrale Stellglied 9 der Zentralverstelleinrichtung 8 motorisch gemeinsam im Sinne des Pfeiles P3 in Fig. 1 angestellt werden, wird beispielsweise der Einfädelvorgang des Richtgutes 1 erleichtert. Das Stellglied 9 kann als Hydraulikzylinder oder Elektromotor usw. ausgebildet werden. Die Einstellwerte für die verschiedenen Richtgüter der Verstelleinrichtungen 7, 8, die über die nicht gezeigte Programmsteuereinrichtung angesteuert werden, können im Teil- oder Vollautomatikbetrieb in der Steuereinrichtung gespeichert werden, so daß sie bei oftmaligem Wechsel des Richtgutes 1 rasch wiederhergestellt werden können.If all straightening rollers 6 via the central in the housing main plate 2 'at 9' mounted central actuator 9 of the central adjustment 8 motor together in the direction of arrow P3 in Fig. 1 are employed, for example, the threading of the Richtgutes 1 is facilitated. The actuator 9 may be formed as a hydraulic cylinder or electric motor, etc. The setting values for the various straightening goods of the adjusting devices 7, 8, which are controlled by the program control device, not shown, can be stored in the control device in partial or fully automatic mode, so that they can be quickly restored with frequent change of Richtgutes 1.

Das Stellglied 9 der Zentralverstelleinrichtung 8 kann auch je nach den Erfordernissen von Hand, z.B. mittels einer Handkurbel oder motorisch über Handtaster sowie mittels der übergeordneten Programmsteuereinrichtung betätigt werden.The actuator 9 of the central adjusting device 8 can also be adapted to the requirements of the hand, e.g. be operated by means of a hand crank or motor via manual pushbutton and by means of the parent program control device.

Ein weiteres am Gehäuse 2 abgestütztes hydraulisches Stellglied 10 (Fig. 3) dient zum Verstellen der Richtrollen 6 quer zur Richtebene im Sinne des Pfeiles P10 in Fig. 3. Auch dieses Stellglied 10 kann statt hydraulisch betätigbar für manuellen oder elektromotorischen Betrieb ausgeführt werden, wobei auch seine Funktionsweise mittels der Programmsteuereinrichtung geregelt werden kann. Es dient zugleich zum Kompensieren eventuell auftretender Torsionsspannungen im Richtgut 1. Schließlich ist einlaufseitig auch eine Rückzugklemmeinrichtung 13 für das Richtgut 1 vorgesehen.Another on the housing 2 based hydraulic actuator 10 ( Fig. 3 ) serves to adjust the straightening rollers 6 transversely to the directional plane in the direction of the arrow P10 in Fig. 3 , Also, this actuator 10 may instead of hydraulically actuated for manual or electromotive operation are performed, with its operation can be controlled by the program control device. It also serves to compensate for any torsional stresses occurring in Richtgut 1. Finally, the inlet side and a retraction clamping device 13 is provided for the Richtgut 1.

Die Fig. 6 bis 8 illustrieren den Betrieb der Richteinheit zum Richten zweier parallel in Doppelspur-Richtrollen 6 geführten Drähten 11, 12. Dabei ist es zur Speisung einer nachgeordneten Drahtbiegemaschine häufig erforderlich, eine ungerade Anzahl von Drähten zu richten. Hiezu kann erfindungsgemäß abwechselnd der Antrieb eines Paares von Richtrollen 6 stillgesetzt werden. Gemäß Fig. 7 wird der Draht 11 gerichtet, wogegen der Draht 12 stillsteht und die zugeordneten Richtrollen 6 in Lagern 15 leer mitlaufen. In Fig. 8 ist die Situation umgekehrt.The Fig. 6 to 8 illustrate the operation of the straightening unit for straightening two wires 11, 12 guided in parallel in double track straightening rollers 6. It is often necessary to feed an odd number of wires to feed a downstream wire bending machine. For this purpose, according to the invention alternately the drive of a pair of straightening rollers 6 are stopped. According to Fig. 7 the wire 11 is directed, whereas the wire 12 is stationary and the associated straightening rollers 6 run in bearings 15 empty. In Fig. 8 the situation is reversed.

Die erfindungsgemäße Richteinheit ist imstande, das Richtgut 1 exakt in Position zu halten, unabhängig von der Anzahl der Richtspuren, und ermöglicht es ferner, die Vorschubrichtung umzukehren. Zum Einfädeln des Richtgutes 1 kann vor und/ oder hinter der Richteinheit eine nicht gezeigte Treibvorrichtung vorgesehen werden.The straightening unit according to the invention is able to hold the straightening material 1 exactly in position, regardless of the number of straightening tracks, and also makes it possible to reverse the feed direction. For threading the Richtgutes 1 can be provided before and / or behind the straightening unit, a driving device, not shown.

Im Rahmen der Erfindung kann die Bahn des Richtgutes 1 eine beliebige Bahnkurve sein, welcher die zum Richten erforderlichen Zustellungen überlagert werden.In the context of the invention, the path of the Richtgutes 1 can be any trajectory, which are superimposed on the necessary for straightening deliveries.

Es versteht sich, daß die Erfindung im Rahmen des Erfindungsgedankens verschiedentlich abgewandelt werden kann, insbesondere, was die Ausbildung der Antriebe und die Richtrollengeometrie betrifft.It is understood that the invention may be variously modified within the scope of the inventive concept, in particular, as regards the formation of the drives and the straightening roller geometry.

Beispielsweise kann die Richtrolleneinheit beim Richten von Drähten einen gängigen Richtgutdurchmesserbereich von 3 - 20 mm abdecken. Bei Richtvorrichtungen liegt der Durchmesserbereich der Richtrollen 6 üblicherweise zwischen 50 und 150 mm.For example, when straightening wires, the straightening roller unit can cover a common straightening diameter range of 3 to 20 mm. For straightening devices, the diameter range is the straightening rollers 6 usually between 50 and 150 mm.

Die Erfindung ist derart modular aufgebaut, daß eingangsseitig, je nach den Erfordernissen, Elektro-, Hydraulik-, Pneumatikmotoren und Klinkenantriebe direkt oder über Getriebe mit fixer oder auch variabler Übersetzung, z.B. ein Schaltgetriebe, vorgesehen werden können.The invention is modular in such a way that the input side, depending on the requirements, electric, hydraulic, pneumatic motors and jack drives directly or via gearboxes with fixed or variable transmission, e.g. a manual transmission, can be provided.

Claims (12)

  1. Straightening roller unit for wire-shaped, rod-shaped or strip-shaped material to be straightened (1) made of steel, in particular wires, rods, profiles, strips, having straightening rollers (6) which cooperate in pairs, can be engaged against the material to be straightened and can be moved away therefrom, wherein the straightening rollers (6) are driven and the advancing force required for the straightening procedure is imparted to the material to be straightened (1) by friction with the straightening rollers (6), and wherein the straightening rollers (6) are coupled to associated drive elements (4') which can be driven by a drive device (3) via a driving force distributor gearing (4), characterized in that the driving force distributor gearing (4) has pairs, associated with the straightening rollers (6), of upper and lower gear wheels (4') whose axes are coupled via cranks (14), just like the axes of the straightening rollers (6), wherein the lower gear wheels (4') are mounted in a main housing plate (2') by means of double bearings (6'), while the upper gear wheels (4') are mounted in the same main housing plate (2') by means of the cranks (14) and a rotatably mounted bearing housing (6") and are coupled to the adjustment device (8) and (8').
  2. Straightening roller unit according to Claim 1, characterized in that the straightening rollers (6) can be driven individually or together.
  3. Straightening roller unit according to Claim 1 or 2, characterized in that engaging of the straightening rollers (6) against the material to be straightened (1) can be performed without interrupting the advancing force fit.
  4. Straightening roller unit according to one of Claims 1 to 3, characterized in that the straightening rollers (6) can be engaged individually, either manually or driven by a motor, against the material to be straightened (1) and can be moved away therefrom.
  5. Straightening roller unit according to one of Claims 1 to 3, characterized in that all of the straightening rollers (6) can be engaged together, either manually or by a motor-driven central adjustment device (8), against the material to be straightened (1) and can be moved away therefrom.
  6. Straightening roller unit according to one of Claims 1 to 5, characterized in that the straightening rollers (6) are smooth or profiled.
  7. Straightening roller unit according to Claim 6, characterized in that the profile of the straightening rollers (6) is V-shaped, circular, elliptical or of any other shape.
  8. Straightening roller unit according to one of Claims 1 to 7, characterized in that the straightening rollers (6) are designed as double-track straightening rollers for the simultaneous or alternate straightening of two lots of material to be straightened (1) that are guided in parallel.
  9. Straightening roller unit according to one of Claims 1 to 8, characterized in that both the individual adjustment device (8') and the central adjustment device (8) can be acted upon by a motor-driven actuating member (9).
  10. Straightening roller unit according to one of Claims 1 to 9, characterized in that the individual adjustment device (8') has an adjustment spindle (7) which connects the individual adjustment device (8') to the central adjustment device (8).
  11. Straightening roller unit according to one of Claims 1 to 10, characterized in that at least one of the straightening rollers (6) can be adjusted perpendicular to the straightening plane by means of an actuating member (10).
  12. Straightening roller unit according to Claim 11, characterized in that the actuating member (10) can be actuated manually, by means of a motor, or under the control of a program.
EP13707799.6A 2012-08-03 2013-02-11 Straightening roller unit Active EP2879815B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA865/2012A AT512898B1 (en) 2012-08-03 2012-08-03 Straightening roller unit
PCT/AT2013/000023 WO2014019000A1 (en) 2012-08-03 2013-02-11 Straightening roller unit

Publications (2)

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EP2879815A1 EP2879815A1 (en) 2015-06-10
EP2879815B1 true EP2879815B1 (en) 2017-05-31

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Application Number Title Priority Date Filing Date
EP13707799.6A Active EP2879815B1 (en) 2012-08-03 2013-02-11 Straightening roller unit

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US (1) US20150209850A1 (en)
EP (1) EP2879815B1 (en)
AT (1) AT512898B1 (en)
ES (1) ES2633603T3 (en)
TW (1) TW201406482A (en)
WO (1) WO2014019000A1 (en)
ZA (1) ZA201500678B (en)

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CN107824638B (en) * 2017-11-20 2023-09-12 无锡华联科技集团有限公司 Steel tube bundle straightener
CN108906919B (en) * 2018-07-17 2024-03-22 宣化钢铁集团有限责任公司 Continuous straightener with slide direction vertical pressing
CN108598010B (en) * 2018-07-18 2024-02-20 连云港瑞而盛电子科技有限公司 Straightening machine
CN109175153A (en) * 2018-10-02 2019-01-11 河北骄阳丝网设备有限责任公司 The method of wire stress elimination straightener and straightening wire
CN110893424A (en) * 2019-12-20 2020-03-20 浙江康士达科技股份有限公司 Steel band straightening device
CN112872081A (en) * 2020-12-30 2021-06-01 江苏轩辕特种材料科技有限公司 Continuous extrusion production system for high-strength magnesium alloy plate strip and working method thereof
DE102021210458A1 (en) * 2021-09-21 2023-03-23 Sms Group Gmbh Straightening machine and method for straightening
CN113909335B (en) * 2021-11-29 2022-07-19 深圳市华明博机电设备工程有限公司 Stress-relief high-speed rail train set manufactured vehicle body leveling device
CN114733931B (en) * 2022-01-17 2023-09-15 肇庆新亚铝铝业有限公司 Intelligent aluminum profile straightening machine and aluminum profile straightening process
AT18332U1 (en) * 2023-03-16 2024-10-15 Evg Entwicklungs U Verwertungs Ges M B H Device for automatically straightening longitudinally extended material and method therefor
CN117920799B (en) * 2024-03-22 2024-06-04 潍坊恒睿达铝业有限公司 Straightening and reaming integrated machine for aluminum alloy pipe

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Also Published As

Publication number Publication date
AT512898A4 (en) 2013-12-15
AT512898B1 (en) 2013-12-15
TW201406482A (en) 2014-02-16
US20150209850A1 (en) 2015-07-30
ES2633603T3 (en) 2017-09-22
ZA201500678B (en) 2016-01-27
WO2014019000A1 (en) 2014-02-06
EP2879815A1 (en) 2015-06-10

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