EP2357047B1 - Assembly for longitudinally forming a metal strip or profile into a profile or tube - Google Patents

Assembly for longitudinally forming a metal strip or profile into a profile or tube Download PDF

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Publication number
EP2357047B1
EP2357047B1 EP10001461.2A EP10001461A EP2357047B1 EP 2357047 B1 EP2357047 B1 EP 2357047B1 EP 10001461 A EP10001461 A EP 10001461A EP 2357047 B1 EP2357047 B1 EP 2357047B1
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EP
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Prior art keywords
profile
line according
profiling
profiling line
carriages
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EP10001461.2A
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German (de)
French (fr)
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EP2357047A1 (en
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Frank Bertram
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Dreistern GmbH and Co KG
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Dreistern GmbH and Co KG
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Priority to EP10001461.2A priority Critical patent/EP2357047B1/en
Priority to MX2011001347A priority patent/MX2011001347A/en
Priority to CA2731452A priority patent/CA2731452C/en
Priority to US13/026,550 priority patent/US8635897B2/en
Publication of EP2357047A1 publication Critical patent/EP2357047A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams

Definitions

  • the invention relates to a profiling system for the longitudinal forming of a metal strip or output profile in a profile or tube by means of a plurality of in-line forming stations, in each of which a group of Rollumformtechnikmaschineen is summarized and which are followed by the metal strip or output profile successively, according to the preamble of the claim 1.
  • the metal strip or output profile passes through the individual forming stations in succession and is there each subjected to a forming step until it finally has received its (provisional) final form.
  • roll forming tool is used in the context of the present invention as a generic term for the forming rollers in a forming station, which may be formed as a lower roll, upper roll, side roll, intermediate roll or other role and can serve for forming or rolling of the workpiece.
  • Profiling systems of the present type are continuously operating systems that produce a longitudinally shaped profile (or tube) from strip material that is transported virtually endlessly through the profiling line. Since the profiles or pipes are therefore produced in a length corresponding to the length of the metal strip used as the starting material, finished or further processable profile pieces must be cut to length, which makes a corresponding cutting machine required.
  • the profiling plant usually also includes a profiling machine, besides the actual profiling machine formed from the forming stations Welding device in which the continuously running profile is welded longitudinally.
  • non-continuous processing machines such as embossing and flanging, integrated in the profiling. If these are to be arranged in front of the separating device in order, for example, to introduce punches into an already partially formed profile, before it is further longitudinally formed in further forming stations, the profiling system must brake the transport of the profile at intervals to a standstill, in order then to restart. During the standstill of the profile then the punching operation and the like can be performed. Only when a flat metal band is to be provided with punches before the first forming step, a deceleration of the profile transport can be avoided by a belt loop. As soon as a first, longitudinal bend has been introduced into the metal strip, this measure is eliminated.
  • the present invention is therefore based on the object to propose a profiling, can be integrated with less effort than before processing steps with discontinuously operating devices.
  • An inventively configured profiling with at least a plurality of fixed on a machine base forming stations therefore has on the machine base on linear guides, on which sit driven, in and against the direction of movement of the metal strip or profile movable carriage.
  • These carriages are used to accommodate acting on the profile tools, such as for cutting, punching, embossing and the like, as well as manipulators, welding equipment or other devices that work on the profile.
  • the movable carriages can be arranged before or between the forming stations and before or after the separating device, wherein the separating device itself can also be mounted on such a carriage. Processing steps after the separating device, which are carried out with tools on a carriage according to the invention, can be, for example, the setting of miter cuts or the introduction of punches or the like in the finished profile.
  • the linear guides preferably extend substantially along the entire machine base, but this is not necessary in the context of the present invention. It may, for example, be provided to provide linear guides with movable carriages according to the invention only in the area of the separating device. It is also possible, for example, to provide only a movable carriage with, for example, between two functional groups, each with a plurality of forming stations with an intermediate punching machine.
  • the invention is implemented so that a continuous machine base with continuous linear guides is present, so that the profiling can be modular on the machine base.
  • the linear guides on the machine base holding devices may be provided which are used directly for attaching functional groups with multiple forming stations or for the forming stations.
  • For the drive of the individual carriages can be provided that along the linear guides on or next to the machine base racks are mounted.
  • the cars can then run along driven racks along these racks.
  • the drive of the car can also be done by means of linear motors or otherwise. If the carriages are driven by linear motors, the primary part of the linear motor on the carriage and the secondary part on the linear guides along which the carriage runs expediently can be found.
  • each car is provided with a drag chain for supply lines, such as power lines, pneumatic lines and the like, so that it can move independently along the linear guides or on the machine base.
  • supply lines such as power lines, pneumatic lines and the like
  • the profiling system according to the invention need not be completely modular in order to develop particular advantages over the prior art. For example, it is sufficient to provide at least one carriage, which can be moved together with the separating device, with a manipulator which is equipped with gripping tools, following a running separating device. This engages the profile or tube to be separated before or during the separating cut, so that the severed profile or tube remains in a defined position and orientation after the separating cut.
  • the manipulator can then pass the severed profile or tube defined to a device for transporting away or further processing of the separated profiles or tubes, wherein it preferably sits on a carriage which can be accelerated to a speed which is above the normal profile speed; As a result, he can carry out an accelerated transport movement after the separation cut and separate the separated profile or tube for a better transfer of the following profile strand longitudinally.
  • This implementation of the inventive idea eliminates the previous disadvantage of all profiling systems according to the prior art, in which the separated by a follower cutting machine profile or tube on a transport device, a magazine or a tub falls, so that in particular the orientation, ie the angular position of the Profile or pipe around its longitudinal axis, left to chance.
  • the orientation of profiles in particular is important not only if they are to be further processed, but for example, even if they are packaged for shipping. Accordingly, a transfer of profiles defined in particular in their orientation had hitherto had to be done manually. Automated gripping of the profiles still possible during the separation process with the present invention enables the profiles to have a defined, known position and orientation when gripped. A defined in position and orientation transfer is then only a per se known control-technical question.
  • a running on a carriage according to the invention manipulator for the transfer of separate profiles, or preferably two such cars with manipulators is, as already mentioned, preferably able to accelerate the Profilbewegurig after separation of the profile to the separated profile of the subsequent profile strand separate before it is passed.
  • the transfer itself may then preferably take place relative to the direction of movement to the right and to the left, and this preferably in different positions relative to the profile movement.
  • profiles of different lengths can be sorted passed or, for example, low-quality profiles are discharged.
  • a plurality of separating devices may also be present, which preferably cooperate with one or more downstream manipulators.
  • This can significantly increase the productivity of the entire system, especially if only short pieces of the virtually endless profile are to be cut to length.
  • two profile pieces can be separated from the profile strand at the same time per operation while the production continues in undiminished speed.
  • the preferably present manipulators ensure that, in particular, located between two separation devices, separated profile pieces are removed in an orderly form from the range of motion of the separation devices.
  • FIG. 1 schematically an embodiment of an inventively designed profiling is shown in a perspective view.
  • This Profilierstrom is completely modular, for which in particular a continuous machine base 1 is present.
  • This consists essentially of one in its basic form U-shaped metal profile 2 with lateral projections 3.
  • the lateral projections 3 form linear guides 4 for along this linear guides 4 movable carriage 5.
  • Each of these cars 5 has its own drive device 6, the present case of a
  • a rack 7 is arranged parallel to the linear guides 4, in which the gears of the drive devices 6 of the movable carriage 5 engage.
  • each carriage 5 also has a drag chain 8 for (not shown) supply lines, in particular power lines for the drive device 6 and a signal line for the required control of the car. 5
  • each quick-change plate 9 carries four stands 10 for supporting roll forming tools (not shown), so that each one Frame 10 forms a forming station for the longitudinal forming of a metal strip or profile.
  • This metal band or profile is in FIG. 1 not shown; it is above the machine base 1, parallel to this, passed through the forming stations 10 and formed there step by step.
  • two functional groups 11 are thus set with several forming stations 10 each on a quick-change plate 9 on the machine base 1, and indeed spaced from each other. Between the two functional groups 11, as well as before and after a self-contained movable carriage 5 is arranged on the processing machines, in particular machines for pre- and intermediate punches, can be attached. These processing machines run during the processing step with the continuously transported through the functional groups 11 profile and thus can perform the processing at a relative speed "zero".
  • FIG. 1 The structure shown is merely exemplary; the number and sequence of the carriages 5 and the forming station functional groups 11 is completely free.
  • functions such as stamping, embossing, flanging, welding as well as the actual profiling and the separation can be arranged at each point of the profiling system.
  • This modular design makes it possible to realize any manufacturing strategies on a plant. Discontinuous processing steps, such as in particular punching, can be done while running, which increases the partial performance of the profiling.
  • discontinuous processing steps, such as stamping processes may be combined with other processes that require a continuous process, such as welding, foaming, scraping, and the like.
  • FIG. 1 shows Profilierstrom is finally provided with a separator 12 for separating the finished reshaped profiles, which in turn is mounted on a movable carriage 5 and operates in the follower operation. Downstream of the separating device 12, two further carriages 5 each having a manipulator 13 can be seen.
  • FIG. 2 This section of the present exemplary embodiment of a profiling system designed according to the invention is shown more clearly in FIG. 2:
  • the in FIG. 2 shown end portion of profiling from FIG. 1 includes the separating device 12 and the two manipulators 13, which are all mounted on a self-sufficiently movable carriage 5.
  • the two manipulators each actuate a gripper 14 for gripping a profile 15 before or during the separation in the separating device 12.
  • the carriages 5 of the two manipulators 13 accelerate in order to separate the profile 15 from the separating device 12 and the profile strip following this.
  • the manipulators 13 can pivot the grippers 14 counterclockwise so that the profile 15 is output to the left relative to the direction of movement. Due to the fact that the grippers 14 have already grasped the profile 15 during the separation process, the output of the profile 15 can take place with a known, defined position and orientation thereof.
  • further processing devices for example a device for introducing a miter cut into the profile 15, can be activated on further carriages (not shown) and already execute a miter cut during running.
  • the in FIG. 2 5 possibly also mechanically coupled run. As a result, only the flexibility would be limited with respect to different lengths of the profiles 15.
  • FIG. 2 illustrated end portion of a profiling can also be attached to a conventional, otherwise not inventively designed profiling and they are accordingly retrofitted according to the invention.

Description

Die Erfindung betrifft eine Profilieranlage zum Längsumformen eines Metallbandes oder Ausgangsprofils in ein Profil oder Rohr mittels einer Mehrzahl von in Linie hintereinander angeordneten Umformstationen, in denen jeweils eine Gruppe von Rollumformwerkzeugen zusammengefasst ist und die vom Metallband oder Ausgangsprofil sukzessive durchlaufen werden, nach dem Oberbegriff des Anspruchs 1.The invention relates to a profiling system for the longitudinal forming of a metal strip or output profile in a profile or tube by means of a plurality of in-line forming stations, in each of which a group of Rollumformwerkzeugen is summarized and which are followed by the metal strip or output profile successively, according to the preamble of the claim 1.

Bei einer Profilieranlage der vorliegenden Art durchläuft das Metallband oder Ausgangsprofil nacheinander die einzelnen Umformstationen und wird dort jeweils einem Umformschritt unterzogen, bis es schließlich seine (vorläufige) Endform erhalten hat. Der Begriff Rollumformwerkzeug wird im Rahmen der vorliegenden Erfindung als Oberbegriff für die formgebenden Rollen in einer Umformstation verwendet, die als Unterrolle, Oberrolle, Seitenrolle, Zwischenrolle oder als sonstige Rolle ausgebildet sein und zum Umformen oder Walzen des Werkstücks dienen können.In a profiling of the present type, the metal strip or output profile passes through the individual forming stations in succession and is there each subjected to a forming step until it finally has received its (provisional) final form. The term roll forming tool is used in the context of the present invention as a generic term for the forming rollers in a forming station, which may be formed as a lower roll, upper roll, side roll, intermediate roll or other role and can serve for forming or rolling of the workpiece.

Bei Profilieranlagen der vorliegenden Art handelt es sich um kontinuierlich arbeitende Anlagen, die aus Bandmaterial, das quasi endlos durch die Profilieranlage transportiert wird, ein längs umgeformtes Profil (oder Rohr) herstellen. Da die Profile bzw. Rohre demnach in einer Länge erzeugt werden, die der Länge des als Ausgangsmaterial verwendeten Metallbandes entspricht, müssen fertige oder weiter verarbeitungsfähige Profilstücke abgelängt werden, was eine entsprechende Trennmaschine erforderlich macht. Um geschlossene Profile oder Rohre herzustellen, umfasst die Profilieranlage neben der eigentlichen, aus den Umformstationen gebildeten Profiliermaschine außerdem üblicherweise eine Schweißvorrichtung, in der das kontinuierlich durchlaufende Profil längs verschweißt wird.Profiling systems of the present type are continuously operating systems that produce a longitudinally shaped profile (or tube) from strip material that is transported virtually endlessly through the profiling line. Since the profiles or pipes are therefore produced in a length corresponding to the length of the metal strip used as the starting material, finished or further processable profile pieces must be cut to length, which makes a corresponding cutting machine required. In order to produce closed profiles or tubes, the profiling plant usually also includes a profiling machine, besides the actual profiling machine formed from the forming stations Welding device in which the continuously running profile is welded longitudinally.

Ferner sind in Profilieranlagen oft Stanzmaschinen oder dergleichen nichtkontinuierliche Bearbeitungsmaschinen, wie beispielsweise zum Prägen und Bördeln, in die Profilieranlage integriert. Sollen diese vor der Trenneinrichtung angeordnet sein, um beispielsweise Stanzungen in ein bereits teilweise umgeformtes Profil einzubringen, bevor es in weiteren Umformstationen weiter längs umgeformt wird, muss die Profilieranlage den Transport des Profils in Intervallen bis zum Stillstand abbremsen, um anschließend wieder anzulaufen. Während des Stillstands des Profils kann dann die Stanzoperation und dergleichen durchgeführt werden. Lediglich dann, wenn vor dem ersten Umformschritt ein flaches Metallband mit Stanzungen versehen werden soll, kann ein Abbremsen des Profiltransports durch eine Bandschlaufe vermieden werden. Sobald eine erste, längs verlaufende Abbiegung in das Metallband eingebracht worden ist, scheidet diese Maßnahme aus.Further, in profiling often punching machines or the like non-continuous processing machines, such as embossing and flanging, integrated in the profiling. If these are to be arranged in front of the separating device in order, for example, to introduce punches into an already partially formed profile, before it is further longitudinally formed in further forming stations, the profiling system must brake the transport of the profile at intervals to a standstill, in order then to restart. During the standstill of the profile then the punching operation and the like can be performed. Only when a flat metal band is to be provided with punches before the first forming step, a deceleration of the profile transport can be avoided by a belt loop. As soon as a first, longitudinal bend has been introduced into the metal strip, this measure is eliminated.

Es liegt auf der Hand, dass ein intervallartiges Abstoppen und Wiederanlaufen des Profiltransports die durchschnittliche Produktionsgeschwindigkeit einer Profilieranlage verringert. Des Weiteren ergeben sich hierdurch in Anlagenteilen, die an sich auf einen kontinuierlichen Transport des Profils angewiesen sind, wie insbesondere bei einer Schweißvorrichtung, besondere Anforderungen. In der gattungsgemäßen Patentanmeldung der Anmelderin ( EP-A-1 375 053 ) wurde dieses Problem zwar gelöst, so dass auch bei intervallartigem Abstoppen des Profiltransports eine kontinuierliche, gleichmäßige Schweißnaht hergestellt werden kann; jedoch ist der Aufwand hierfür naturgemäß höher als bei einer einfachen Schweißvorrichtung, die eine Längs-Schweißnaht auf einem kontinuierlich durch die Schweißvorrichtung transportierten Profil erzeugt.It is obvious that an interval-like stopping and restarting of the profile transport reduces the average production speed of a profiling plant. Furthermore, this results in system parts, which are dependent on a continuous transport of the profile, as in particular in a welding device, special requirements. In the generic patent application of the Applicant ( EP-A-1 375 053 ) this problem was solved, so that even with intervallartigem stopping the profile transport a continuous, uniform weld can be made; However, the cost of this is naturally higher than in a simple welding device that generates a longitudinal weld on a continuously transported by the welding device profile.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Profilieranlage vorzuschlagen, in die mit geringerem Aufwand als bisher Bearbeitungsschritte mit diskontinuierlich arbeitenden Vorrichtungen integriert werden können.The present invention is therefore based on the object to propose a profiling, can be integrated with less effort than before processing steps with discontinuously operating devices.

Gelöst ist diese Aufgabe durch eine Profilieranlage mit den Merkmalen des Anspruchs 1. Vorteilhafte Weiterbildungen der erfindungsgemäße Profilieranlage sind in den Ansprüchen 2 bis 11 niedergelegt.This object is achieved by a profiling with the features of claim 1. Advantageous developments of profiling invention are set forth in claims 2 to 11.

Eine erfindungsgemäß ausgestaltete Profilieranlage mit zumindest einer Mehrzahl von auf einem Maschinenunterbau befestigten Umformstationen verfügt demnach an dem Maschinenunterbau über Linearführungen, auf denen angetriebene, in und gegen die Bewegungsrichtung des Metallbandes oder Profils verfahrbare Wagen sitzen. Diese Wagen dienen zur Aufnahme von auf das Profil einwirkenden Werkzeugen, beispielsweise zum Trennen, Stanzen, Prägen und dergleichen, sowie von Manipulatoren, Schweißeinrichtungen oder sonstigen Vorrichtungen, die das Profil bearbeiten. Die verfahrbaren Wagen können vor oder zwischen den Umformstationen angeordnet sein sowie vor oder nach der Trenneinrichtung, wobei die Trenneinrichtung selbst ebenfalls auf einem solchen Wagen angebracht sein kann. Bearbeitungsschritte nach der Trenneinrichtung, die mit Werkzeugen auf einem erfindungsgemäßen Wagen durchgeführt werden, können beispielsweise das Setzen von Gehrungsschnitten oder das Einbringen von Stanzungen oder dergleichen in das fertige Profil sein.An inventively configured profiling with at least a plurality of fixed on a machine base forming stations therefore has on the machine base on linear guides, on which sit driven, in and against the direction of movement of the metal strip or profile movable carriage. These carriages are used to accommodate acting on the profile tools, such as for cutting, punching, embossing and the like, as well as manipulators, welding equipment or other devices that work on the profile. The movable carriages can be arranged before or between the forming stations and before or after the separating device, wherein the separating device itself can also be mounted on such a carriage. Processing steps after the separating device, which are carried out with tools on a carriage according to the invention, can be, for example, the setting of miter cuts or the introduction of punches or the like in the finished profile.

Die Linearführungen verlaufen vorzugsweise im Wesentlichen entlang des gesamten Maschinenunterbaus, wobei dies jedoch im Rahmen der vorliegenden Erfindung nicht notwendig ist. Es kann beispielsweise vorgesehen sein, lediglich im Bereich der Trenneinrichtung erfindungsgemäße Linearführungen mit verfahrbaren Wagen vorzusehen. Ebenso ist es möglich, beispielsweise lediglich zwischen zwei Funktionsgruppen mit jeweils mehreren Umformstationen einen verfahrbaren Wagen mit beispielsweise einer Zwischenstanzmaschine vorzusehen.The linear guides preferably extend substantially along the entire machine base, but this is not necessary in the context of the present invention. It may, for example, be provided to provide linear guides with movable carriages according to the invention only in the area of the separating device. It is also possible, for example, to provide only a movable carriage with, for example, between two functional groups, each with a plurality of forming stations with an intermediate punching machine.

Am vorteilhaftesten wird die Erfindung jedoch so umgesetzt, dass ein durchgehender Maschinenunterbau mit durchgehenden Linearführungen vorhanden ist, so dass die Profilieranlage auf dem Maschinenunterbau modular aufgebaut werden kann. Hierzu können zusätzlich zu den Linearführungen am Maschinenunterbau Haltevorrichtungen vorgesehen sein, die zum Anbringen von Funktionsgruppen mit mehreren Umformstationen oder für die Umformstationen direkt dienen.Most advantageously, however, the invention is implemented so that a continuous machine base with continuous linear guides is present, so that the profiling can be modular on the machine base. For this purpose, in addition to the linear guides on the machine base holding devices may be provided which are used directly for attaching functional groups with multiple forming stations or for the forming stations.

In diesem Fall ist es dann zweckmäßig, wenn mehrere, voneinander unabhängig bewegbare Wagen vorhanden sind. Dies schließt selbstverständlich nicht aus, dass zwei oder mehr Wagen steuerungstechnisch oder mechanisch miteinander gekoppelt werden.In this case, it is expedient if a plurality of mutually independently movable cars are present. Of course, this does not exclude that two or more cars are mechanically or mechanically coupled with each other.

Für den Antrieb der einzelnen Wagen kann vorgesehen sein, dass entlang der Linearführungen an oder neben dem Maschinenunterbau Zahnstangen angebracht sind. Die Wagen können dann anhand angetriebener Zahnräder entlang dieser Zahnstangen laufen.For the drive of the individual carriages can be provided that along the linear guides on or next to the machine base racks are mounted. The cars can then run along driven racks along these racks.

Alternativ hierzu kann der Antrieb der Wagen jedoch auch mittels Linearmotoren oder auf sonstige Weise erfolgen. Werden die Wagen mit Linearmotoren angetrieben, findet sich zweckmäßigerweise der Primärteil des Linearmotors am Wagen und der Sekundäranteil an den Linearführungen, entlang deren der Wagen läuft.Alternatively, however, the drive of the car can also be done by means of linear motors or otherwise. If the carriages are driven by linear motors, the primary part of the linear motor on the carriage and the secondary part on the linear guides along which the carriage runs expediently can be found.

Zweckmäßigerweise ist jeder Wagen mit einer Schleppkette für Versorgungsleitungen, wie Stromleitungen, Pneumatikleitungen und dergleichen versehen, so dass er sich autark entlang der Linearführungen bzw. auf dem Maschinenunterbau bewegen kann.Conveniently, each car is provided with a drag chain for supply lines, such as power lines, pneumatic lines and the like, so that it can move independently along the linear guides or on the machine base.

Die erfindungsgemäße Profilieranlage muss nicht vollständig modular aufgebaut sein, um gegenüber dem Stand der Technik besondere Vorteile zu entfalten. Es reicht beispielsweise schon, nach einer mitlaufenden Trenneinrichtung mindestens einen, zusammen mit der Trenneinrichtung bewegbaren Wagen mit einem Manipulator vorzusehen, der mit Greifwerkzeugen ausgerüstet ist. Dieser greift das abzutrennende Profil oder Rohr vor oder während des Trennschnitts, so dass das abgetrennte Profil oder Rohr nach dem Trennschnitt in definierter Position und Orientierung verbleibt. Der Manipulator kann das abgetrennte Profil oder Rohr dann also definiert an eine Einrichtung zum Wegtransportieren oder Weiterbearbeiten der abgetrennten Profile oder Rohre übergeben, wobei er vorzugsweise auf einem Wagen sitzt, der auf eine Geschwindigkeit beschleunigbar ist, die über der normalen Profilgeschwindigkeit liegt; hierdurch kann er nach dem Trennschnitt eine beschleunigte Transportbewegung durchführen und das abgetrennte Profil oder Rohr für eine bessere Übergabe vom nachfolgenden Profilstrang längs separieren.The profiling system according to the invention need not be completely modular in order to develop particular advantages over the prior art. For example, it is sufficient to provide at least one carriage, which can be moved together with the separating device, with a manipulator which is equipped with gripping tools, following a running separating device. This engages the profile or tube to be separated before or during the separating cut, so that the severed profile or tube remains in a defined position and orientation after the separating cut. The manipulator can then pass the severed profile or tube defined to a device for transporting away or further processing of the separated profiles or tubes, wherein it preferably sits on a carriage which can be accelerated to a speed which is above the normal profile speed; As a result, he can carry out an accelerated transport movement after the separation cut and separate the separated profile or tube for a better transfer of the following profile strand longitudinally.

Diese Umsetzung des erfinderischen Gedankens beseitigt den bisherigen Nachteil aller Profilieranlagen nach dem Stand der Technik, bei denen das durch eine mitlaufende Trennmaschine abgetrennte Profil oder Rohr auf eine Transportvorrichtung, ein Magazin oder in eine Wanne fällt, so dass insbesondere die Orientierung, also die Winkellage des Profils bzw. Rohrs um seine Längsachse, dem Zufall überlassen bleibt. Die Orientierung insbesondere von Profilen ist jedoch nicht nur dann wichtig, wenn sie weiter bearbeitet werden sollen, sondern beispielsweise schon dann, wenn sie zum Versenden verpackt werden. Eine insbesondere in ihrer Orientierung definierte Übergabe von Profilen musste dementsprechend bislang händisch geschehen. Ein mit der vorliegenden Erfindung mögliches automatisiertes Ergreifen der Profile noch während des Trennvorgangs ermöglicht, dass die Profile eine definierte, bekannte Position und Orientierung haben, wenn sie gegriffen werden. Eine in Position und Orientierung definierte Übergabe ist dann nur noch eine an sich bekannte steuerungstechnische Frage.This implementation of the inventive idea eliminates the previous disadvantage of all profiling systems according to the prior art, in which the separated by a follower cutting machine profile or tube on a transport device, a magazine or a tub falls, so that in particular the orientation, ie the angular position of the Profile or pipe around its longitudinal axis, left to chance. However, the orientation of profiles in particular is important not only if they are to be further processed, but for example, even if they are packaged for shipping. Accordingly, a transfer of profiles defined in particular in their orientation had hitherto had to be done manually. Automated gripping of the profiles still possible during the separation process with the present invention enables the profiles to have a defined, known position and orientation when gripped. A defined in position and orientation transfer is then only a per se known control-technical question.

Ein auf einem erfindungsgemäßen Wagen laufender Manipulator zur Übergabe von abgetrennten Profilen, oder vorzugsweise zwei solcher Wagen mit Manipulatoren, ist, wie bereits erwähnt, vorzugsweise in der Lage, die Profilbewegurig nach dem Abtrennen des Profils zu beschleunigen, um das abgetrennte Profil vom nachfolgenden Profilstrang zu separieren, bevor es übergeben wird. Die Übergabe selbst kann dann vorzugsweise relativ zur Bewegungsrichtung nach rechts und nach links erfolgen, und dies bevorzugterweise in unterschiedlichen Positionen relativ zur Profilbewegung. Hierdurch können beispielsweise Profile unterschiedlicher Länge sortiert übergeben oder beispielsweise qualitativ minderwertige Profile ausgeschleust werden.A running on a carriage according to the invention manipulator for the transfer of separate profiles, or preferably two such cars with manipulators is, as already mentioned, preferably able to accelerate the Profilbewegurig after separation of the profile to the separated profile of the subsequent profile strand separate before it is passed. The transfer itself may then preferably take place relative to the direction of movement to the right and to the left, and this preferably in different positions relative to the profile movement. As a result, for example, profiles of different lengths can be sorted passed or, for example, low-quality profiles are discharged.

Im Rahmen der vorliegenden Erfindung können auch mehrere Trenneinrichtungen vorhanden sein, die vorzugsweise mit einem oder mehreren nachgeordneten Manipulatoren zusammenarbeiten. Dies kann insbesondere dann, wenn nur kurze Stücke vom quasi endlos hergestellten Profil abgelängt werden sollen, die Produktivität der gesamten Anlage signifikant erhöhen. Denn mit beispielsweise zwei Trenneinrichtungen können pro Arbeitsgang gleichzeitig zwei Profilstücke vom Profilstrang abgetrennt werden, während die Produktion in unverminderter Geschwindigkeit weiterläuft. Die vorzugsweise vorhandenen Manipulatoren sorgen dafür, dass insbesondere die zwischen zwei Trenneinrichtungen befindlichen, abgetrennten Profilstücke in geordneter Form aus dem Bewegungsbereich der Trenneinrichtungen entnommen werden.In the context of the present invention, a plurality of separating devices may also be present, which preferably cooperate with one or more downstream manipulators. This can significantly increase the productivity of the entire system, especially if only short pieces of the virtually endless profile are to be cut to length. For example, with two separators two profile pieces can be separated from the profile strand at the same time per operation while the production continues in undiminished speed. The preferably present manipulators ensure that, in particular, located between two separation devices, separated profile pieces are removed in an orderly form from the range of motion of the separation devices.

Ein Ausführungsbeispiel für eine erfindungsgemäß ausgestaltete Profilieranlage ist im folgenden anhand der beigefügten Zeichnungsfiguren näher beschrieben und erläutert. Es zeigen:

Figur 1
eine perspektivische, schematische Ansicht einer erfindungsgemäß ausgestalteten Profilieranlage;
Figur 2
eine schematische, perspektivische Ansicht des hinteren Teils dieser Profilieranlage.
An embodiment of an inventively configured profiling is described in more detail below with reference to the accompanying drawing figures and explained. Show it:
FIG. 1
a perspective, schematic view of an inventively designed profiling system;
FIG. 2
a schematic, perspective view of the rear part of this profiling.

In Figur 1 ist schematisch ein Ausführungsbeispiel für eine erfindungsgemäß ausgestaltete Profilieranlage in perspektivischer Ansicht gezeigt. Diese Profilieranlage ist vollständig modular aufgebaut, wofür insbesondere ein durchgehender Maschinenunterbau 1 vorhanden ist. Dieser besteht im wesentlichen aus einem in seiner Grundform U-förmigen Metallprofil 2 mit seitlichen Auskragungen 3. Die seitlichen Auskragungen 3 bilden Linearführungen 4 für entlang dieser Linearführungen 4 bewegbare Wagen 5. Jeder dieser Wagen 5 verfügt über eine eigene Antriebsvorrichtung 6, die vorliegend aus einem Elektromotor besteht, der ein Zahnrad antreibt. Über die gesamte Länge des Maschinenunterbaus 1 ist eine Zahnstange 7 parallel zu den Linearführungen 4 angeordnet, in die die Zahnräder der Antriebsvorrichtungen 6 der bewegbaren Wagen 5 eingreifen. Die Positionen der Wagen 5 sind demnach exakt festgelegt und jederzeit exakt anzufahren, beispielsweise mittels eines stationären Gebers am Maschinenunterbau 1 als Absolut-Wegmesssystem oder mittels Gebern an den einzelnen Elektromotoren als Relativ-Wegmesssystem mit Nullpunktdefinition und einem Inkrementalzähler. Jeder Wagen 5 verfügt außerdem über eine Schleppkette 8 für (nicht dargestellte) Versorgungsleitungen, hier insbesondere Stromleitungen für die Antriebsvorrichtung 6 und eine Signalleitung für die erforderliche Steuerung der Wagen 5.In FIG. 1 schematically an embodiment of an inventively designed profiling is shown in a perspective view. This Profilieranlage is completely modular, for which in particular a continuous machine base 1 is present. This consists essentially of one in its basic form U-shaped metal profile 2 with lateral projections 3. The lateral projections 3 form linear guides 4 for along this linear guides 4 movable carriage 5. Each of these cars 5 has its own drive device 6, the present case of a There is an electric motor that drives a gear. Over the entire length of the machine base 1, a rack 7 is arranged parallel to the linear guides 4, in which the gears of the drive devices 6 of the movable carriage 5 engage. Accordingly, the positions of the carriages 5 are precisely defined and can be approached exactly at any time, for example by means of a stationary encoder on the machine base 1 as an absolute displacement measuring system or by means of encoders on the individual electric motors as a relative displacement measuring system with zero point definition and an incremental counter. Each carriage 5 also has a drag chain 8 for (not shown) supply lines, in particular power lines for the drive device 6 and a signal line for the required control of the car. 5

Außer den Linearführungen 4 verfügt der Maschinenunterbau 1 über (nicht erkennbare) Haltevorrichtungen und Zentrierstifte für Schnellwechselplatten 9, auf denen die eigentliche Profiliermaschine aufgebaut wird: Jede Schnellwechselplatte 9 trägt im vorliegenden Fall vier Gerüste 10 zur Lagerung von (nicht dargestellten) Rollumformwerkzeugen, so dass jedes Gerüst 10 eine Umformstation zum Längsumformen eines Metallbandes oder Profils bildet. Dieses Metallband oder Profil ist in Figur 1 nicht dargestellt; es wird oberhalb des Maschinenunterbaus 1, parallel zu diesem, durch die Umformstationen 10 geführt und dort Schrittweise umgeformt.In addition to the linear guides 4, the machine base 1 has (not recognizable) holding devices and centering pins for quick release plates 9 on which the actual profiling machine is constructed: In the present case, each quick-change plate 9 carries four stands 10 for supporting roll forming tools (not shown), so that each one Frame 10 forms a forming station for the longitudinal forming of a metal strip or profile. This metal band or profile is in FIG. 1 not shown; it is above the machine base 1, parallel to this, passed through the forming stations 10 and formed there step by step.

Im vorliegenden Ausführungsbeispiel sind demnach zwei Funktionsgruppen 11 mit mehreren Umformstationen 10 jeweils auf einer Schnellwechselplatte 9 auf den Maschinenunterbau 1 gesetzt, und zwar beabstandet voneinander. Zwischen den beiden Funktionsgruppen 11, sowie davor und danach ist jeweils ein autark beweglicher Wagen 5 angeordnet, auf dem Bearbeitungsmaschinen, wie insbesondere Maschinen zum Vor- und Zwischenstanzen, befestigt sein können. Diese Bearbeitungsmaschinen laufen während des Bearbeitungsschritts mit dem kontinuierlich durch die Funktionsgruppen 11 transportieren Profil mit und können somit die Bearbeitung bei einer Relativgeschwindigkeit "Null" durchführen.In the present embodiment, two functional groups 11 are thus set with several forming stations 10 each on a quick-change plate 9 on the machine base 1, and indeed spaced from each other. Between the two functional groups 11, as well as before and after a self-contained movable carriage 5 is arranged on the processing machines, in particular machines for pre- and intermediate punches, can be attached. These processing machines run during the processing step with the continuously transported through the functional groups 11 profile and thus can perform the processing at a relative speed "zero".

Der in Figur 1 gezeigte Aufbau ist lediglich beispielhaft; die Anzahl und Abfolge der Wagen 5 und der Umformstation-Funktionsgruppen 11 ist vollkommen frei. Mit dem erfindungsgemäßen Konzept können an jeder Stelle der Profilieranlage Funktionen wie Stanzen, Prägen, Bördeln, Schweißen sowie das eigentliche Profilieren und das Trennen angeordnet werden. Dieser modulare Aufbau macht es möglich, beliebige Fertigungsstrategien auf einer Anlage zu realisieren. Diskontinuierliche Bearbeitungsschritte, wie insbesondere Stanzen, können im Mitlauf erfolgen, wodurch sich die Teilleistung der Profilieranlage erhöht. Außerdem können diskontinuierliche Bearbeitungsschritte, wie Stanzprozesse, mit anderen Verfahren kombiniert werden, die einen kontinuierlichen Prozess voraussetzen, wie beispielsweise Schweißen, Schäumen, Schaben und dergleichen.The in FIG. 1 The structure shown is merely exemplary; the number and sequence of the carriages 5 and the forming station functional groups 11 is completely free. With the concept according to the invention, functions such as stamping, embossing, flanging, welding as well as the actual profiling and the separation can be arranged at each point of the profiling system. This modular design makes it possible to realize any manufacturing strategies on a plant. Discontinuous processing steps, such as in particular punching, can be done while running, which increases the partial performance of the profiling. In addition, discontinuous processing steps, such as stamping processes, may be combined with other processes that require a continuous process, such as welding, foaming, scraping, and the like.

Die in Figur 1 gezeigte Profilieranlage ist schließlich mit einer Trenneinrichtung 12 zum Abtrennen der fertig umgeformten Profile versehen, die ihrerseits auf einem beweglichen Wagen 5 befestigt ist und im mitlaufenden Betrieb arbeitet. Der Trenneinrichtung 12 nachgeschaltet sind zwei weitere Wagen 5 mit jeweils einem Manipulator 13 zu erkennen. Dieser Abschnitt des vorliegenden Ausführungsbeispiels einer erfindungsgemäß ausgestalteten Profilieranlage wird in Figur 2 deutlicher dargestellt:In the FIG. 1 shown Profilieranlage is finally provided with a separator 12 for separating the finished reshaped profiles, which in turn is mounted on a movable carriage 5 and operates in the follower operation. Downstream of the separating device 12, two further carriages 5 each having a manipulator 13 can be seen. This section of the present exemplary embodiment of a profiling system designed according to the invention is shown more clearly in FIG. 2:

Der in Figur 2 dargestellte Endabschnitt der Profilieranlage aus Figur 1 umfasst die Trenneinrichtung 12 sowie die beiden Manipulatoren 13, die alle jeweils auf einem autark bewegbaren Wagen 5 befestigt sind. Die beiden Manipulatoren betätigen jeweils einen Greifer 14 zum Ergreifen eines Profils 15 vor oder während des Abtrennens in der Trenneinrichtung 12. Zu diesem Zweck laufen die beiden Wagen der Manipulatoren 13 synchron mit den Wagen 5 der Trenneinrichtung 12 mit dem Profil 15 mit. Sie sind solcherart voneinander beabstandet, dass das Profil 15 bezüglich seiner Eigenstabilität an möglichst optimalen Punkten von den Greifern 14 ergriffen und gehalten werden kann. Werden kürzere Profile 15 abgetrennt, wird der Abstand der beiden Wagen verringert.The in FIG. 2 shown end portion of profiling from FIG. 1 includes the separating device 12 and the two manipulators 13, which are all mounted on a self-sufficiently movable carriage 5. The two manipulators each actuate a gripper 14 for gripping a profile 15 before or during the separation in the separating device 12. For this purpose, run the both carriages of the manipulators 13 synchronously with the carriage 5 of the separator 12 with the profile 15 with. They are spaced apart such that the profile 15 can be grasped and held by the grippers 14 with respect to its inherent stability at points that are as optimal as possible. Be shorter profiles 15 separated, the distance between the two cars is reduced.

Sobald die Trenneinrichtung 12 das Profil 15 abgetrennt hat, beschleunigen die Wagen 5 der beiden Manipulatoren 13, um das Profil 15 von der Trenneinrichtung 12 und dem dieser nachfolgenden Profilstrang zu separieren. Ist dies erfolgt, können die Manipulatoren 13 die Greifer 14 gegen den Uhrzeigersinn verschwenken, so dass das Profil 15 relativ zur Bewegungsrichtung nach links ausgegeben wird. Dadurch, dass die Greifer 14 das Profil 15 bereits während des Trennvorgangs ergriffen haben, kann die Ausgabe des Profils 15 mit bekannter, definierter Position und Orientierung desselben erfolgen.As soon as the separating device 12 has severed the profile 15, the carriages 5 of the two manipulators 13 accelerate in order to separate the profile 15 from the separating device 12 and the profile strip following this. Once this is done, the manipulators 13 can pivot the grippers 14 counterclockwise so that the profile 15 is output to the left relative to the direction of movement. Due to the fact that the grippers 14 have already grasped the profile 15 during the separation process, the output of the profile 15 can take place with a known, defined position and orientation thereof.

Bevor die Ausgabe des Profils 15 durch die Manipulatoren 13 erfolgt, können auf (nicht dargestellten) weiteren Wagen weitere Bearbeitungsvorrichtungen, beispielsweise eine Einrichtung zum Einbringen eines Gehrungsschnitts in das Profil 15 aktiviert werden und einen Gehrungsschnitt bereits während des Mitlaufens durchführen. Zur Vereinfachung der Steuerungstechnik können die in Figur 2 dargestellten Wagen 5 gegebenenfalls auch mechanisch gekoppelt laufen. Hierdurch wäre lediglich die Flexibilität hinsichtlich verschiedener Längen der Profile 15 eingeschränkt.Before the output of the profile 15 is effected by the manipulators 13, further processing devices, for example a device for introducing a miter cut into the profile 15, can be activated on further carriages (not shown) and already execute a miter cut during running. To simplify the control technology, the in FIG. 2 5 possibly also mechanically coupled run. As a result, only the flexibility would be limited with respect to different lengths of the profiles 15.

Der in Figur 2 dargestellte Endabschnitt einer Profilieranlage kann auch an eine herkömmliche, ansonsten nicht erfindungsgemäß ausgestaltete Profilieranlage angebaut und diese dementsprechend erfindungsgemäß nachgerüstet werden.The in FIG. 2 illustrated end portion of a profiling can also be attached to a conventional, otherwise not inventively designed profiling and they are accordingly retrofitted according to the invention.

Claims (11)

  1. Profiling line for the longitudinal forming of a metal strip or starting profile into a profile or pipe, having a plurality of forming stations (10) arranged in line one after the other, in each of which a group (11) of roll-forming tools is combined and through which the metal strip or starting profile passes in succession, and having a machine substructure (1) on which the forming stations (10) are directly or indirectly mounted,
    characterised in that
    on the machine substructure (1) there are linear guides (4) with driven carriages (5) which are movable in and opposite to the direction of movement of the metal strip or profile for receiving tools (12), manipulators (13) and/or processing devices that act on the profile (15).
  2. Profiling line according to claim 1,
    characterised in that
    toothed racks (7) are provided along the linear guides (4).
  3. Profiling line according to claim 1,
    characterised in that
    the carriages (5) are driven by means of linear motors, the primary part of which is arranged on the carriage (5) and the secondary part of which is arranged along the linear guides (4).
  4. Profiling line according to any one of claims 1 to 3,
    characterised in that
    the profiling line is at least partly of modular construction, with a continuous machine substructure (1) on which there are provided linear guides (4) for driven carriages (5) that are movable along the machine substructure (1) with tools (12), manipulators (13) and the like that act on the profile (15), and which has holding devices (9) for attachment of functional groups (11), each having a plurality of forming stations (10).
  5. Profiling line according to claim 4,
    characterised in that
    a plurality of carriages (5) which are movable independently of one another are present.
  6. Profiling line according to any one of claims 1 to 5,
    characterised in that
    the carriages (5) are each provided with a drag chain (8) for supply lines, such as power lines, pneumatic lines and the like.
  7. Profiling line according to any one of claims 4 to 6,
    characterised in that
    stamping, embossing or flanging tools are mounted on carriages (5) that are arranged between two or more forming station functional groups (11).
  8. Profiling line according to any one of claims 1 to 7,
    characterised in that
    there is at least one travelling separating device (12) arranged downstream of the forming stations (10), and after the separating device (12) there is arranged at least one carriage (5) which is movable synchronously with the separating device (12) and has a manipulator (13) with gripping tools (14) in order to grip the separated profile (15) or pipe before or during the separating cut and, after the separating cut, to transfer it in a defined position and orientation to a device for transporting away or further processing the separated profiles or pipes.
  9. Profiling line according to claim 8,
    characterised in that
    a plurality of separating devices (12) and a plurality of manipulators (13) are provided which are movable separately or electrically and/or mechanically coupled.
  10. Profiling line according to claim 8,
    characterised in that
    the at least one carriage (5) is drivable at a faster speed than the speed of the profile (15) in order that, after the separating cut, an accelerated transport movement can be performed to effect longitudinal separation of the separated profile (15) or pipe.
  11. Profiling line according to any one of claims 8 to 10,
    characterised in that
    the manipulator (13) is constructed in such a way that it can transfer the separated profile (15) or pipe, seen in the direction of movement, as desired to the right and to the left and/or in different positions.
EP10001461.2A 2010-02-12 2010-02-12 Assembly for longitudinally forming a metal strip or profile into a profile or tube Active EP2357047B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10001461.2A EP2357047B1 (en) 2010-02-12 2010-02-12 Assembly for longitudinally forming a metal strip or profile into a profile or tube
MX2011001347A MX2011001347A (en) 2010-02-12 2011-02-04 Profiling arrangement for the longitudinal shaping of a metal band or starting profile into a profile or tube.
CA2731452A CA2731452C (en) 2010-02-12 2011-02-09 Profiling arrangement for the longitudinal shaping of a metal band or starting profile into a profile or tube
US13/026,550 US8635897B2 (en) 2010-02-12 2011-02-14 Profiling arrangement for the longitudinal shaping of a metal band or starting profile into a profile or tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10001461.2A EP2357047B1 (en) 2010-02-12 2010-02-12 Assembly for longitudinally forming a metal strip or profile into a profile or tube

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EP2357047A1 EP2357047A1 (en) 2011-08-17
EP2357047B1 true EP2357047B1 (en) 2017-07-19

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EP (1) EP2357047B1 (en)
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Publication number Priority date Publication date Assignee Title
DE102011089208A1 (en) * 2011-12-20 2013-06-20 Witzenmann Gmbh Modular pipe welding apparatus and method of making a pipe

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE729956C (en) * 1935-12-05 1943-01-05 Sundwiger Eisen Maschinen Machine for the production of profiles from metal strips

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US3357087A (en) * 1965-07-21 1967-12-12 Gen Dynamics Corp Mass flow computer and control device
FR1599054A (en) * 1968-11-20 1970-07-15
DE2728210A1 (en) * 1977-06-23 1979-01-04 Willi Oppermann Contraction of faulty welding on tube - prevents tube breakage in die plate due to draw tension
DE2906692C2 (en) * 1979-02-19 1985-02-21 Mannesmann AG, 4000 Düsseldorf Process for the production of slotted pipes for a pipe welding machine and device for carrying out the process
DE2928120C2 (en) * 1979-07-12 1985-10-10 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Device for the manufacture of motor vehicle exhaust pipes
DE50200203D1 (en) 2002-10-18 2004-02-12 Dreistern Werk Maschinenbau Gmbh & Co Kg Stationary welding device and method for longitudinal welding of profiles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE729956C (en) * 1935-12-05 1943-01-05 Sundwiger Eisen Maschinen Machine for the production of profiles from metal strips

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EP2357047A1 (en) 2011-08-17
US8635897B2 (en) 2014-01-28
CA2731452C (en) 2016-11-29
CA2731452A1 (en) 2011-08-12
US20110197644A1 (en) 2011-08-18

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