EP2855040B1 - Device and method for producing hollow profiles - Google Patents

Device and method for producing hollow profiles Download PDF

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Publication number
EP2855040B1
EP2855040B1 EP13737789.1A EP13737789A EP2855040B1 EP 2855040 B1 EP2855040 B1 EP 2855040B1 EP 13737789 A EP13737789 A EP 13737789A EP 2855040 B1 EP2855040 B1 EP 2855040B1
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EP
European Patent Office
Prior art keywords
tool
hollow profile
bending
die tool
axial direction
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EP13737789.1A
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German (de)
French (fr)
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EP2855040A1 (en
Inventor
Normen GRÖSCHL
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G and K Umformtechnik GmbH
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G and K Umformtechnik 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes

Definitions

  • the invention relates to a device for producing hollow sections according to the preamble of claim 1 and a method for producing hollow sections according to the preamble of claim 9.
  • a device for producing hollow sections according to the preamble of claim 1 and a method for producing hollow sections according to the preamble of claim 9.
  • Such a device and such a method are, for example in the JP-A-S58 107220 disclosed.
  • the object of the present invention is to provide a quick and secure deforming device.
  • an apparatus for producing hollow profiles, in particular tubes comprising a bending device for bending a circuit board, in particular a welding device for closing a longitudinal seam of the hollow profile, in particular of the tube, a transport device for loading a circuit board, a transport device for unloading the hollow profile , a punch tool and at least one die tool for forming the hollow profile, wherein the punch tool and the die tool are longitudinally displaceable in the axial direction.
  • the punch tool and an upper die tool for forming the counter-rounding of the hollow profile in the axial direction are arranged one behind the other and are provided longitudinally displaceable in the axial direction.
  • a side slide in particular a respective side slide on opposite sides of the device, are provided for the radial addition of the hollow profile.
  • the punch tool is also to be used as a transport device for unloading the hollow profile, in particular by pushing out of the hollow profile with one end of the punch tool and / or the shaped hollow profile is held by means of a holding device in a region of the upper die tool and thus exclusivelygesportierbar ,
  • the transport device for loading a circuit board suction device which are arranged in particular laterally of the stamping tool.
  • the T-insert can be used as a holding device for the finished shaped hollow profile.
  • the object is also achieved by a method for producing hollow profiles, in particular tubes, wherein a device for producing hollow profiles, in particular according to one of claims 1 to 8, a board is loaded into a bending device for a hollow profile, with a punch tool in one Submatrix tool is bent, the punch tool in the axial direction is moved out of a bending region such that an axially coupled thereto upper die tool above the Untermatrizentechnikmaschines is arranged and thus the further deformation is performed.
  • a transport device for loading a board picks up a board and loading by moving the punch tool in the axial direction, the bending device in the area of the sub-die tool, in particular one end of the punch tool and / or an im Holding device arranged portion of the upper die tool removes the molded hollow profile from the sub-die tool.
  • Fig. 1 shows a device 1 for producing hollow sections, in particular tubes, with inserted board 2.
  • a bending device 3 has a punch tool 6, which is changeable for different diameters.
  • the bending device 3 has a sub-die tool 12 into which the stamping tool 6 is pressed.
  • the bending device also has an upper die tool 9, through which, after the lower part of the blank 2 has been formed, the upper part of the blank is also formed into the tube 5.
  • the Matrizentechnikmaschinemaschinehalter are provided at the top and bottom, which in particular are changeable depending on the required diameter.
  • the bending device 3 has a press with a predetermined pressure force for O-forming a tube 5 from the circuit board 2.
  • a predetermined pressure force for O-forming a tube 5 from the circuit board 2.
  • Fig. 2 shows a device for producing hollow sections, in particular tubes 5, with punch tool 6.
  • punch tool 6 in particular a punch
  • the board 2 in the lower die tool 12, in particular a bending die pressed so that a U-shape is created.
  • Fig. 3 shows a device for producing hollow sections, in particular tubes 5, with punch tool 6.
  • the punch tool 6 airs and the side gate 10 bend the already deformed to a U board 2 to a U with inwardly inclined sides 13 together slightly.
  • Fig. 4 shows a device for producing hollow profiles, in particular tubes 5, with the punch tool 6 pulled out.
  • the punch tool 6 is in position so that tool shells, in particular the punch tool 6 and an upper die tool 9 coupled, can be changed in the axial direction 8.
  • Fig. 5 shows a device for producing hollow sections, in particular tubes 5, with shifted punch tool 6.
  • the punch tool 6 and the upper die tool 9 change their position in the axial direction 8 as soon as the press stroke has reached a predetermined height.
  • This procedure can also be used as a push-out buffer. This allows a UO bending of a tube blank in a single very compact, narrow press done.
  • a tool change must only take place in the upper die tool 9, which avoids collisions and complex movement sequences.
  • Fig. 6 shows an apparatus for producing hollow sections, in particular tubes 5, with shaping in upper die tool 9.
  • the side pushers 10 are pushed together for attaching the tube blank.
  • Fig. 7 and 8th show an apparatus for producing hollow sections, in particular tubes 5, with shaping in upper die tool 9.
  • the upper die tool 9 continues the closing operation until pipe ends 15 touch the upper die tool 9.
  • Fig. 9 shows a device for producing hollow sections, in particular tubes 5, with shaping in upper die tool 9.
  • the side pushers 10 move out of a mold closing area 16, so that a complete closure can take place.
  • Fig. 10 shows an apparatus for producing hollow profiles, in particular tubes 5,
  • the O-formation of the tube 5 takes place.
  • a T-insert can advantageously be used, which also holds the slot in position and prevents it from possibly becoming spirally deformed.
  • a pure O-shaping of the plate 2 takes place between the two matrices.
  • the tube 5 is formed along the contour, it may happen - if the board length is greater than the theoretical tube circumference, a compression of the material, which is advantageous for the quality of the tube in terms of roundness and strength increase. In the latter case, the tube 5 can be held in the half-shell of the upper die tool 9 with staples or similar aids
  • Fig. 11 shows a device for producing hollow sections, in particular tubes 5, with preparation of a new board 2.
  • a new board 2 for example by sucker 17 or similar transfer tool, in particular arranged laterally from the punch tool 6, is received in a transport device 4.
  • Fig. 12 shows a device for producing hollow sections, in particular tubes 5, with preparation of a new board 2.
  • a Ausschiebevorraum in the axial direction 8 in particular the punch tool 6 itself, the already finished molded tube is pushed into another working area of the device, whereby the bending process in a press with a longitudinally displaceable punch and die tool and loading and unloading device is connected.
  • Fig. 13 . 14 . 15 show a device for producing hollow sections, in particular tubes 5, with preparation of a new board 2.
  • the board 2 is located on side slides 10 above the lower die tool 12. Here is also the exact central alignment, for example, at attachment points of the side shift 10.
  • the bent tube blank is By welding, in particular laser welding or another suitable method, the tube is closed, in particular the slot in the tube blank or the flush-fitting tube ends after bending.

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

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen von Hohlprofilen nach dem Oberbegriff von Anspruch 1 und ein Verfahren zum Herstellen von Hohlprofilen nach dem Oberbegriff von Anspruch 9. Solch eine Vorrichtung und solch ein Verfahren sind z.B. in der JP-A-S58 107220 offenbart.The invention relates to a device for producing hollow sections according to the preamble of claim 1 and a method for producing hollow sections according to the preamble of claim 9. Such a device and such a method are, for example in the JP-A-S58 107220 disclosed.

Bekannt sind Vorrichtungen zum Herstellen von Hohlprofilen, bei denen in mehreren unabhängig voneinander stattfinden Schritten beispielsweise zum Beladen, Verformen und Entladen Hohlprofile hergestellt werden.
Nachteilig ist es, dass bei diesen bekannten Verfahren insbesondere Unterbrechungen oder ein zwischenzeitliches Absetzen der Platine erfolgt, so dass jeweils wieder ein Einrichten erfolgen muss und eine genaue Ausrichtung der Platinen.
Aufgabe der vorliegenden Erfindung ist es, eine schnelle und sichere Vorrichtung zum Verformen bereitzustellen.
Die Aufgabe wird gelöst durch eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, umfassend eine Biegeeinrichtung zum Biegen einer Platine, insbesondere eine Schweißeinrichtung zum Verschließen einer Längsnaht des Hohlprofils, insbesondere des Rohres, eine Transportvorrichtung zum Laden einer Platine, eine Transportvorrichtung zum Entladen des Hohlprofils, ein Stempelwerkzeug und zumindest ein Matrizenwerkzeug zum Formen des Hohlprofils, wobei das Stempelwerkzeug und das Matrizenwerkzeug in Axialrichtung längsverschieblich vorgesehen sind.Devices are known for producing hollow profiles in which hollow sections are produced in a plurality of steps taken independently of one another, for example for loading, deformation and unloading.
The disadvantage is that in these known methods in particular interruptions or an intermediate settling of the board takes place, so that in each case an adjustment must be made and an accurate alignment of the boards.
The object of the present invention is to provide a quick and secure deforming device.
The object is achieved by an apparatus for producing hollow profiles, in particular tubes, comprising a bending device for bending a circuit board, in particular a welding device for closing a longitudinal seam of the hollow profile, in particular of the tube, a transport device for loading a circuit board, a transport device for unloading the hollow profile , a punch tool and at least one die tool for forming the hollow profile, wherein the punch tool and the die tool are longitudinally displaceable in the axial direction.

Hierdurch kann ein U-O-Biegen eines Hohlprofils in einer einzigen sehr kompakten, schmalen Presse erfolgen. Ein Werkzeugwechsel muss insbesondere nur im Obermatrizenwerkzeug erfolgen, wodurch Kollisionen und komplexe Bewegungsabläufe vermieden werden.This allows a U-O bending of a hollow profile in a single very compact, narrow press done. In particular, a tool change must only take place in the upper die tool, which avoids collisions and complex movement sequences.

Vorteilhaft ist es, wenn das Stempelwerkzeug und ein Obermatrizenwerkzeug zur Formung der Gegenrundung des Hohlprofils in Axialrichtung hintereinander angeordnet sind und zusammen in Axialrichtung längsverschieblich vorgesehen sind.It is advantageous if the punch tool and an upper die tool for forming the counter-rounding of the hollow profile in the axial direction are arranged one behind the other and are provided longitudinally displaceable in the axial direction.

Vorteilhaft ist es, wenn ein Seitenschieber, insbesondere jeweils ein Seitenschieber auf gegenüberliegenden Seiten der Vorrichtung, zum radialen Zubiegen des Hohlprofils vorgesehen sind.It is advantageous if a side slide, in particular a respective side slide on opposite sides of the device, are provided for the radial addition of the hollow profile.

Vorteilhaft ist es, wenn das Stempelwerkzeug zugleich als Transportvorrichtung zum Entladen des Hohlprofils einzusetzen ist, insbesondere indem mit einem Ende des Stempelwerkzeugs ein Herausschieben des Hohlprofils vorzunehmen ist und/oder das geformte Hohlprofil mittels einer Haltevorrichtung in einem Bereich des Obermatrizenwerkzeugs gehalten ist und damit heraustransportierbar ist.It is advantageous if the punch tool is also to be used as a transport device for unloading the hollow profile, in particular by pushing out of the hollow profile with one end of the punch tool and / or the shaped hollow profile is held by means of a holding device in a region of the upper die tool and thus herausgesportierbar ,

Vorteilhaft ist es, wenn die Transportvorrichtung zum Laden einer Platine Sauger aufweist, die insbesondere seitlich des Stempelwerkzeugs angeordnet sind.It is advantageous if the transport device for loading a circuit board suction device, which are arranged in particular laterally of the stamping tool.

Vorteilhaft ist es, wenn ein T-Einsatz im Bereich zusammentreffender Enden der Seiten des Hohlprofils, insbesondere des Rohres, vorgesehen sind, der einen Abstandsschlitz zwischen den Enden freihält.It is advantageous if a T-insert in the region coinciding ends of the sides of the hollow profile, in particular of the tube, are provided, which keeps a clearance slot between the ends.

Vorteilhaft ist es, wenn der T-Einsatz als Haltevorrichtung für das fertig geformte Hohlprofil einsetzbar ist.It is advantageous if the T-insert can be used as a holding device for the finished shaped hollow profile.

Vorteilhaft ist es, wenn zur vollständigen Schließung der Biegevorrichtung die Seitenschieber aus einem Werkzeugschließbereich herausfahrbar sind.It is advantageous if, for complete closure of the bending device, the side slides can be moved out of a tool closing area.

Die Aufgabe wird ebenfalls gelöst durch ein Verfahren zum Herstellen von Hohlprofilen, insbesondere Rohren, wobei mit einer Vorrichtung zum Herstellen von Hohlprofilen, insbesondere nach einem der Ansprüche 1 bis 8, eine Platine in eine Biegeeinrichtung für ein Hohlprofil geladen wird, mit einem Stempelwerkzeug in einem Untermatrizenwerkzeug gebogen wird, das Stempelwerkzeug in Axialrichtung derart aus einem Biegebereich heraus verschoben wird, dass ein damit in Axialrichtung gekoppeltes Obermatrizenwerkzeug oberhalb des Untermatrizenwerkzeugs angeordnet wird und damit die weitere Verformung durchgeführt wird.The object is also achieved by a method for producing hollow profiles, in particular tubes, wherein a device for producing hollow profiles, in particular according to one of claims 1 to 8, a board is loaded into a bending device for a hollow profile, with a punch tool in one Submatrix tool is bent, the punch tool in the axial direction is moved out of a bending region such that an axially coupled thereto upper die tool above the Untermatrizenwerkzeugs is arranged and thus the further deformation is performed.

Vorteilhaft ist es, wenn das so durchgeführt wird, dass in Seitenbereichen des Stempelwerkzeugs eine Transportvorrichtung zum Laden einer Platine eine Platine aufgreift und mittels Rückfahren des Stempelwerkzeugs in Axialrichtung die Biegevorrichtung im Bereich des Untermatrizenwerkzeugs belädt, wobei insbesondere ein Ende des Stempelwerkzeugs und/oder eine im Bereich des Obermatrizenwerkzeugs angeordnete Haltevorrichtung das geformte Hohlprofil aus dem Untermatrizenwerkzeug entfernt.It is advantageous if this is done so that in side areas of the punching tool a transport device for loading a board picks up a board and loading by moving the punch tool in the axial direction, the bending device in the area of the sub-die tool, in particular one end of the punch tool and / or an im Holding device arranged portion of the upper die tool removes the molded hollow profile from the sub-die tool.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachstehenden Beschreibung, in der Ausführungsbeispiele des Gegenstands der Erfindung in Verbindung mit den Zeichnungen näher erläutert sind.Further features and advantages of the invention will become apparent from the claims and the following description in which embodiments of the subject invention in conjunction with the drawings are explained in more detail.

Es zeigen:

  • Fig. 1 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit eingelegter Platine,
  • Fig. 2 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren mit Stempelwerkzeug,
  • Fig. 3 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Stempelwerkzeug,
  • Fig. 4 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit herausgezogenem Stempelwerkzeug,
  • Fig. 5 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit verschobenem Stempelwerkzeug,
  • Fig. 6 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Formung in Obermatrize,
  • Fig. 7 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Formung in Obermatrize,
  • Fig. 8 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Formung in Obermatrize,
  • Fig. 9 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Formung in Obermatrize,
  • Fig. 10 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren,
  • Fig. 11 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Vorbereitung einer neuen Platine,
  • Fig. 12 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Vorbereitung einer neuen Platine,
  • Fig. 13 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Vorbereitung einer neuen Platine,
  • Fig. 14 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Vorbereitung einer neuen Platine und
  • Fig. 15 eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren, mit Vorbereitung einer neuen Platine.
Show it:
  • Fig. 1 a device for producing hollow profiles, in particular tubes, with inserted board,
  • Fig. 2 a device for producing hollow profiles, in particular tubes with stamping tool,
  • Fig. 3 a device for producing hollow profiles, in particular tubes, with stamping tool,
  • Fig. 4 a device for producing hollow profiles, in particular tubes, with the punch tool pulled out,
  • Fig. 5 a device for producing hollow profiles, in particular tubes, with displaced stamping tool,
  • Fig. 6 a device for producing hollow profiles, in particular tubes, with shaping in upper die,
  • Fig. 7 a device for producing hollow profiles, in particular tubes, with shaping in upper die,
  • Fig. 8 a device for producing hollow profiles, in particular tubes, with shaping in upper die,
  • Fig. 9 a device for producing hollow profiles, in particular tubes, with shaping in upper die,
  • Fig. 10 a device for producing hollow profiles, in particular pipes,
  • Fig. 11 a device for producing hollow profiles, in particular tubes, with preparation of a new board,
  • Fig. 12 a device for producing hollow profiles, in particular tubes, with preparation of a new board,
  • Fig. 13 a device for producing hollow profiles, in particular tubes, with preparation of a new board,
  • Fig. 14 a device for producing hollow sections, in particular pipes, with preparation of a new board and
  • Fig. 15 an apparatus for producing hollow profiles, in particular pipes, with preparation of a new board.

Fig. 1 zeigt eine Vorrichtung 1 zum Herstellen von Hohlprofilen, insbesondere Rohren, mit eingelegter Platine 2. Eine Biegeeinrichtung 3 weist ein Stempelwerkzeug 6 auf, das für unterschiedliche Durchmesser wechselbar ist. Entsprechend weist die Biegeeinrichtung 3 ein Untermatrizenwerkzeug 12 auf, in das das Stempelwerkzeug 6 hineingepresst wird. Ergänzend zum Untermatrizenwerkzeug 12 weist die Biegeeinrichtung auch ein Obermatrizenwerkzeug 9 auf, durch das nach erfolgter Formung des unteren Teils der Platine 2 anschließend auch der obere Teil der Platine zum Rohr 5 geformt wird. Hierzu sind die Matrizenwerkzeughalter oben und unten vorgesehen, wobei diese insbesondere je nach benötigtem Durchmesser wechselbar sind. Fig. 1 shows a device 1 for producing hollow sections, in particular tubes, with inserted board 2. A bending device 3 has a punch tool 6, which is changeable for different diameters. Correspondingly, the bending device 3 has a sub-die tool 12 into which the stamping tool 6 is pressed. In addition to the lower die tool 12, the bending device also has an upper die tool 9, through which, after the lower part of the blank 2 has been formed, the upper part of the blank is also formed into the tube 5. For this purpose, the Matrizenwerkzeughalter are provided at the top and bottom, which in particular are changeable depending on the required diameter.

Die Biegeeinrichtung 3 weist hierfür eine Presse mit vorbestimmter Druckkraft zum O-Formen eines Rohres 5 aus der Platine 2 auf. Mit dem erfindungsgemäßen Verfahren zur Herstellung von Rohren können insbesondere längsnahtgeschweißte Rohre vorbestimmter Länge hergestellt werden, insbesondere bis etwa 2.500 mm.For this purpose, the bending device 3 has a press with a predetermined pressure force for O-forming a tube 5 from the circuit board 2. With the method according to the invention for producing pipes, in particular longitudinally welded pipes of predetermined length can be produced, in particular up to about 2,500 mm.

Fig. 2 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Stempelwerkzeug 6. Mit dem Stempelwerkzeug 6, insbesondere einem Biegestempel, wird über runde Enden 14 von vorzugsweise an beiden Seiten 11 angeordneten Seitenschiebern 10 die Platine 2 in das Untermatrizenwerkzeug 12, insbesondere eine Biegematrize, gedrückt, so dass eine U-Form entsteht. Fig. 2 shows a device for producing hollow sections, in particular tubes 5, with punch tool 6. With the punch tool 6, in particular a punch, is about round ends 14 of preferably arranged on both sides 11 side sliders 10, the board 2 in the lower die tool 12, in particular a bending die , pressed so that a U-shape is created.

Fig. 3 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Stempelwerkzeug 6. Das Stempelwerkzeug 6 lüftet und die Seitenschieber 10 biegen die bereits zu einem U verformte Platine 2 zu einem U mit nach innen geneigten Seiten 13 leicht zusammen. Fig. 3 shows a device for producing hollow sections, in particular tubes 5, with punch tool 6. The punch tool 6 airs and the side gate 10 bend the already deformed to a U board 2 to a U with inwardly inclined sides 13 together slightly.

Fig. 4 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit herausgezogenem Stempelwerkzeug 6. Das Stempelwerkzeug 6 geht in Position, damit Werkzeugoberteile, insbesondere das Stempelwerkzeug 6 und ein Ober-matrizenwerkzeug 9 gekoppelt, in Axialrichtung 8 gewechselt werden können. Fig. 4 shows a device for producing hollow profiles, in particular tubes 5, with the punch tool 6 pulled out. The punch tool 6 is in position so that tool shells, in particular the punch tool 6 and an upper die tool 9 coupled, can be changed in the axial direction 8.

Fig. 5 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit verschobenem Stempelwerkzeug 6. Das Stempelwerkzeug 6 und das Obermatrizenwerkzeug 9 wechseln ihre Position in Axialrichtung 8, sobald der Pressenhub eine vorbestimmte Höhe erreicht hat. Diese Vorgehensweise kann auch als Ausschiebezwischenpuffer genutzt werden. Hierdurch kann ein U-O-Biegen eines RohrRohlings in einer einzigen sehr kompakten, schmalen Presse erfolgen. Ein Werkzeugwechsel muss insbesondere nur im Obermatrizenwerkzeug 9 erfolgen, wodurch Kollisionen und komplexe Bewegungsabläufe vermieden werden. Fig. 5 shows a device for producing hollow sections, in particular tubes 5, with shifted punch tool 6. The punch tool 6 and the upper die tool 9 change their position in the axial direction 8 as soon as the press stroke has reached a predetermined height. This procedure can also be used as a push-out buffer. This allows a UO bending of a tube blank in a single very compact, narrow press done. In particular, a tool change must only take place in the upper die tool 9, which avoids collisions and complex movement sequences.

Fig. 6 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Formung in Obermatrizenwerkzeug 9. Die Seitenschieber 10 werden zum Zubiegen des Rohrrohlings zusammengeschoben. Fig. 6 shows an apparatus for producing hollow sections, in particular tubes 5, with shaping in upper die tool 9. The side pushers 10 are pushed together for attaching the tube blank.

Fig. 7 und 8 zeigen eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Formung in Obermatrizenwerkzeug 9. Das Obermatrizenwerkzeug 9 setzt den Schließvorgang fort, bis Rohrenden 15 das Obermatrizenwerkzeug 9 touchieren. Fig. 7 and 8th show an apparatus for producing hollow sections, in particular tubes 5, with shaping in upper die tool 9. The upper die tool 9 continues the closing operation until pipe ends 15 touch the upper die tool 9.

Fig. 9 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Formung in Obermatrizenwerkzeug 9. Die Seitenschieber 10 fahren aus einem Werkzeugschließbereich 16 heraus, damit eine vollständige Schließung erfolgen kann. Fig. 9 shows a device for producing hollow sections, in particular tubes 5, with shaping in upper die tool 9. The side pushers 10 move out of a mold closing area 16, so that a complete closure can take place.

Fig. 10 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5,
In dem vorliegenden Schritt des Verfahrens erfolgt die O-Ausformung des Rohres 5. Für Rohre mit einem Abstandsschlitz, nicht dargestellt, kann vorteilhaft ein T-Einsatz verwendet werden, der zudem den Schlitz in Position hält und verhindert, dass er sich eventuell spiralig verformt. Bei Rohren 5 ohne Schlitz erfolgt eine reine O-Ausformung der Platine 2 zwischen den beiden Matrizen. Das Rohr 5 formt sich an der Kontur entlang aus, unter Umständen erfolgt, - falls die Platinenlänge größer als der theoretische Rohrumfang ist, eine Stauchung des Materials, was für die Qualität des Rohres in Bezug auf Rundheit und Festigkeitssteigerung vorteilhaft ist. In letzterem Fall kann das Rohr 5 mit Klammern oder ähnlichen Hilfsmitteln in der Halbschale des Obermatrizenwerkzeugs 9 gehalten werden Fig. 10 shows an apparatus for producing hollow profiles, in particular tubes 5,
In the present step of the method, the O-formation of the tube 5 takes place. For tubes with a spacer slot, not shown, a T-insert can advantageously be used, which also holds the slot in position and prevents it from possibly becoming spirally deformed. In the case of tubes 5 without a slot, a pure O-shaping of the plate 2 takes place between the two matrices. The tube 5 is formed along the contour, it may happen - if the board length is greater than the theoretical tube circumference, a compression of the material, which is advantageous for the quality of the tube in terms of roundness and strength increase. In the latter case, the tube 5 can be held in the half-shell of the upper die tool 9 with staples or similar aids

Fig. 11 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Vorbereitung einer neuen Platine 2. Zur weiteren Beladung wird in einer Transportvorrichtung 4 eine neue Platine 2 beispielsweise durch Sauger 17 oder ähnliches Transferwerkzeug, insbesondere seitlich vom Stempelwerkzeug 6 angeordnet, aufgenommen. Fig. 11 shows a device for producing hollow sections, in particular tubes 5, with preparation of a new board 2. For further loading, a new board 2, for example by sucker 17 or similar transfer tool, in particular arranged laterally from the punch tool 6, is received in a transport device 4.

Fig. 12 zeigt eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Vorbereitung einer neuen Platine 2. Durch eine Ausschiebevorrichtung in Axialrichtung 8, insbesondere das Stempelwerkzeug 6 selbst, wird das bereits fertig geformte Rohr in einen anderen Arbeitsbereich der Vorrichtung geschoben, wodurch das Biegeverfahren in einer Presse mit einem in Längsrichtung verschiebbaren Stempel- und Matrizenwerkzeug sowie Lade- und Entladevorrichtung verbunden wird. Fig. 12 shows a device for producing hollow sections, in particular tubes 5, with preparation of a new board 2. By a Ausschiebevorrichtung in the axial direction 8, in particular the punch tool 6 itself, the already finished molded tube is pushed into another working area of the device, whereby the bending process in a press with a longitudinally displaceable punch and die tool and loading and unloading device is connected.

Sobald ein Pressenstößel auf gleiche Höhenposition wie das Obermatrizenwerkzeug 12 eingefahren ist kann der axialer Positionstausch von Stempelwerkzeug 6 und Matrizenwerkzeug erfolgen. Das Stempelwerkzeug 6 steht nun wieder über dem Untermatrizenwerkzeug 12, die Seitenschieber 10 fahren ein, und die Platine 2 wird abgesetzt.Once a press ram is retracted to the same height position as the upper die tool 12, the axial position exchange of punch tool 6 and die tool can be done. The plunger tool 6 is now again above the lower die tool 12, the side slide 10 retract, and the board 2 is discontinued.

Fig. 13, 14, 15 zeigen eine Vorrichtung zum Herstellen von Hohlprofilen, insbesondere Rohren 5, mit Vorbereitung einer neuen Platine 2. Die Platine 2 liegt auf Seitenschiebern 10 oberhalb des Untermatrizenwerkzeugs 12. Hier erfolgt auch die genaue mittige Ausrichtung zum Beispiel an Anschlagpunkten der Seitenschieber 10. Der gebogene Rohrrohling wird in eine Schweißmaschine abgeschoben, Durch das Schweißverfahren, insbesondere Laserschweißen oder ein anderes geeignetes Verfahren, wird das Rohr verschlossen, insbesondere der Schlitz im Rohrrohling oder auch die bündig anliegenden Rohrenden nach dem Biegen. Fig. 13 . 14 . 15 show a device for producing hollow sections, in particular tubes 5, with preparation of a new board 2. The board 2 is located on side slides 10 above the lower die tool 12. Here is also the exact central alignment, for example, at attachment points of the side shift 10. The bent tube blank is By welding, in particular laser welding or another suitable method, the tube is closed, in particular the slot in the tube blank or the flush-fitting tube ends after bending.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Vorrichtung zum HerstellenApparatus for manufacturing
22
Platinecircuit board
33
Biegeeinrichtungbender
44
Transportvorrichtungtransport device
55
Rohrpipe
66
Stempelwerkzeugstamp tool
77
Matrizenwerkzeugdie tool
88th
Axialrichtungaxially
99
ObermatrizenwerkzeugObermatrizenwerkzeug
1010
SeitenschieberSideshift
1111
Seitepage
1212
UntermatrizenwerkzeugUntermatrizenwerkzeug
1313
Seitepage
1414
EndeThe End
1515
Rohrendepipe end
1616
WerkzeugschließbereichMold clamping area
1717
Saugersucker
1818
EndeThe End
1919
Transportvorrichtungtransport device
2020
Biegebereichbending area
2121
Seitenbereichpage range

Claims (10)

  1. Device (1) for producing hollow profiles, in particular tubes (5), comprising a bending device (3) for bending a blank (2), in particular a welding device for closing a longitudinal seam of the hollow profile, in particular the tube (5), a transport device (4) for loading a blank (2), a transport device (19) for unloading the hollow profile, a punching tool (6) and at least one die tool (7) for forming the hollow profile, characterized in that the punching tool (6) and the die tool (7) are provided so as to be longitudinally displaceable in the axial direction (8).
  2. Device according to claim 1, characterized in that the stamping tool (6) and an upper die tool (9) for forming the counterrounding of the hollow profile are arranged one behind the other in the axial direction (8) and are provided together so as to be longitudinally displaceable in the axial direction (8).
  3. Device according to claim 1 or 2, characterized in that a side slide (10), in particular a respective side slide (10) on opposite sides (11) of the device, is provided for radial bending of the hollow profile.
  4. Device according to claims 1 to 3, characterized in that the stamping tool (6) is to be used at the same time as a transport device (19) for unloading the hollow profile, in particular in that one end (18) of the stamping tool (6) is to be used to push out the hollow profile and/or the shaped hollow profile is held by means of a holding device in a region of the upper die tool and can thus be transported out.
  5. Device according to claims 1 to 4, characterized in that the transport device (4) for loading a blank (2) has suction cups (17) which are arranged in particular laterally of the stamping tool (6).
  6. Device according to claims 1 to 5, characterized in that a T insert is provided in the region of meeting ends (14) of the sides (13) of the hollow profile, in particular of the tube (5), which keeps a spacing slot free between the ends (14).
  7. Device according to claims 1 to 6, characterised in that the T insert can be used as a holding device for the finished hollow section.
  8. Device according to claims 1 to 7, characterized in that, in order to completely close the bending device, the side slides (10) can be moved out of a tool-closing region (16).
  9. Method for producing hollow profiles, in particular tubes, wherein a blank (2) is loaded into a bending device (3) for a hollow profile by means of a device for producing hollow profiles, in particular according to one of claims 1 to 8, and is bent in a bottom die tool (9) by means of a punching tool (6), characterized in that the stamping tool (6) is displaced in the axial direction (8) out of a bending region (20) in such a way that an upper die tool (12) coupled thereto in the axial direction (8) is arranged above the lower die tool (9) and the further deformation is thus carried out.
  10. Method according to claim 9, characterized in that, in side regions (21) of the stamping tool (6), a transport device (4) for loading a blank (2) picks up a blank (2) and loads the bending device (3) in the region of the lower die tool (9) by retracting the stamping tool (6) in the axial direction (8), in particular one end (18) of the punch tool (6) and/or a holding device arranged in the region of the upper die tool (1) removing the shaped hollow profile from the lower die tool (9).
EP13737789.1A 2012-05-30 2013-05-30 Device and method for producing hollow profiles Not-in-force EP2855040B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012010590A DE102012010590A1 (en) 2012-05-30 2012-05-30 Apparatus and method for producing hollow profiles
PCT/DE2013/000296 WO2013178217A1 (en) 2012-05-30 2013-05-30 Device and method for producing hollow profiles

Publications (2)

Publication Number Publication Date
EP2855040A1 EP2855040A1 (en) 2015-04-08
EP2855040B1 true EP2855040B1 (en) 2018-12-19

Family

ID=48795374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13737789.1A Not-in-force EP2855040B1 (en) 2012-05-30 2013-05-30 Device and method for producing hollow profiles

Country Status (3)

Country Link
EP (1) EP2855040B1 (en)
DE (2) DE102012010590A1 (en)
WO (1) WO2013178217A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667949C (en) * 1936-02-29 1938-11-23 Sonntag G M B H R Device for the production of pipes on a press brake
JPS58107220A (en) * 1981-12-21 1983-06-25 Hiruta Kogyo Kk Manufacture of cylindrical sleeve from thin plate material
JPH0813377B2 (en) * 1991-07-25 1996-02-14 西村工機株式会社 Tube forming press machine
DE102007021798B4 (en) * 2007-05-07 2011-03-24 Karl Eugen Fischer Gmbh Device for the production of profiles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2855040A1 (en) 2015-04-08
DE102012010590A1 (en) 2013-12-05
DE112013002703A5 (en) 2015-04-02
WO2013178217A1 (en) 2013-12-05

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