EP3280555B1 - System comprising a deformation manufacturing machine and an indexing table - Google Patents

System comprising a deformation manufacturing machine and an indexing table Download PDF

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Publication number
EP3280555B1
EP3280555B1 EP16729755.5A EP16729755A EP3280555B1 EP 3280555 B1 EP3280555 B1 EP 3280555B1 EP 16729755 A EP16729755 A EP 16729755A EP 3280555 B1 EP3280555 B1 EP 3280555B1
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EP
European Patent Office
Prior art keywords
tool holder
adapters
unit
pivot
adapter
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EP16729755.5A
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German (de)
French (fr)
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EP3280555A1 (en
Inventor
Hubert Roth
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Ekm-Roth GmbH
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Ekm-Roth GmbH
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Publication of EP3280555A1 publication Critical patent/EP3280555A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/02Special design or construction
    • B21J9/022Special design or construction multi-stage forging presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/08Accessories for handling work or tools
    • B21J13/085Accessories for handling work or tools handling of tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026Mounting of dies, platens or press rams

Definitions

  • the invention relates to a system of a device for forming and a switch plate machine with a tool holder for receiving at least one forming tool, which is arranged between two unit carriers in a switch plate machine.
  • the tool holder is connected for forming at one end with a hydraulic device for generating a forming pressure and at the other end with a hydraulic ejection device.
  • a hydraulic device for generating a forming pressure
  • a hydraulic ejection device for generating a forming pressure
  • the tool holder must be removed from both the hydraulic and the ejector. After the tools have been changed, the tool holder must be reconnected to the hydraulic and the ejector. The installation effort is considerable. The changeover time is several hours. The associated business interruption is thus very expensive.
  • the DE 10 2012 005648 A1 discloses a forming device for a switch plate machine with a tool holder for receiving at least one forming tool, which is arranged between two unit carriers.
  • the invention has the object to improve a generic system to the effect that a tool change in the future much faster and therefore more economical than before.
  • the invention solves this problem with a device of the type mentioned, in which according to the invention the tool holder is pivotally mounted between the unit carriers.
  • the tool holder can thus be easily pivoted for a tool change, so that it is easily accessible for changing the tools.
  • the tools can then be removed in a few steps from the tool holder and then replaced by others. After the tools have been re-installed in the tool holder, the tool holder is pivoted back into its operating position.
  • a switch panel in which the device according to the invention is mounted with the tool holder, can then immediately resume its operation.
  • the changeover time is a maximum of 30 minutes.
  • the operating interruption associated with the tool change is correspondingly low. Due to the pivotability of the tool holder of the equipped with the device indexer table is economically profitable.
  • the tools to be changed are usually a forming die, a punch sleeve, an intermediate sleeve, a die or a die package with a pusher.
  • Adapters may be arranged in the unit carriers.
  • the adapters connect the tool holder at one end to a hydraulic device and at the other end to an ejector.
  • the adapters can be used as detachable connection elements be formed between the hydraulic device and the tool holder and between the ejector and the tool holder.
  • the tool holder can be attached to the adapters with screwed connections. Before the pivoting of the tool holder, the glands are loosened. This can be done in a few minutes. Subsequently, the tool holder can be immediately pivoted to its position for the tool change. A preferred pivoting angle may be about 120 °. After swiveling back the tool holder, the tool holder is screwed back to the adapters.
  • the arranged on the side of the ejector adapter can be equipped with a guide cylinder in which the ejection device is guided.
  • the adapters may have receiving elements for receiving the end regions of the tool holder.
  • the receiving elements may be formed as half cylinders which correspond to cylinders which are halved in the axial direction.
  • the adapters and the receiving elements are preferably formed in one piece.
  • the adapters may have edges on their front side. Furthermore, the adapter can be provided on its front side with contact surfaces on which the tool holder can rest.
  • the receiving elements can thus have recesses formed between the edges and the contact surfaces as grooves. When pivoting back the tool holder engages with their end portions in the grooves, so that the adapter partially surround the end portions.
  • the adapters may have edges with internal cones.
  • the end areas of the Tool holder may be provided with outer cones.
  • the outer cones of the tool holder and the inner cones of the adapter slide off one another.
  • the tool holder is pressed against the contact surfaces of the adapter.
  • the tool holder is centered by the trained as a half-cylinder receiving elements relative to the adapters.
  • the contact surfaces of the adapters ensure that the end faces of the tool holder rest firmly against the adapters during operation.
  • the abutment surfaces may be recessed relative to the edges of the adapters so that the edges of the adapters protrude beyond the abutment surfaces.
  • the adapters may each have a shaft inserted into the unit carrier. In this way a stiff connection between the unit carriers and the adapters is made. Fittings that can serve to attach the adapter with the unit carriers are thus relieved of lateral forces.
  • the shaft of one of the adapters may be encompassed by a collar arranged in the unit carrier.
  • the collar may preferably be made of an elastomer.
  • the adapter is floating in the unit carrier. He can move in the unit carrier both in the axial direction and in the radial direction.
  • the range of motion which is in the tenth of a millimeter range, may be useful if the tool holder during the forming process also bends in tenths of a millimeter. In this way, the shaft and the unit carrier are relieved.
  • the tool holder In order to pivot the tool holder, it may be pivotally mounted at its end with pivoting levers.
  • the pivot levers can be mounted in the unit carriers by means of pivot pins.
  • the pivot pin can thus form the pivot axis of the pivot lever and the tool holder.
  • the pivot levers may have a groove for receiving the end portions of the tool holder.
  • the pivot levers may also be formed as half cylinders in the region by partially enclosing the tool holder.
  • One of the pivot levers may have on its front side facing the unit carrier on this projecting paragraph.
  • the shoulder can engage positively in a correspondingly formed groove, which is preferably arranged in the adapter, which is located on the side of the ejection device.
  • the tool holder can be pivoted with a pivot shaft.
  • the pivot shaft can be driven by an electric motor or hydraulically.
  • the electric motor can be adjusted to the preferred pivot angle of about 120 °.
  • one of the unit carriers may be provided with a recess for facilitated removal and feeding of the tools.
  • Fig. 1 shows a device 100 for forming with a tool holder 10, which between two unit carriers 11 and 12 of a switch panel machine 13 is mounted.
  • forming tools 14 and 15 are arranged in the tool holder 10 .
  • the forming tool 14 is a press die and the forming tool 15 is a die package. Between the forming tool 14 and 15 is a workpiece 16.
  • a hydraulic device 17 and the unit carrier 12 an ejector 18 is arranged on the unit carrier 11, a hydraulic device 17 and the unit carrier 12, an ejector 18 is arranged.
  • the hydraulic device 17 generates the pressing pressure required for the forming process.
  • the ejector 18 pushes the formed workpiece 16 out of the die 15.
  • adapters 19 and 20 are inserted into the unit supports 11 and 12, adapters 19 and 20 are inserted.
  • the adapter 19 removably connects the tool holder 10 to the hydraulic device 17.
  • the adapter 20 removably connects the tool holder 10 to the ejection device 18.
  • a pivot lever 21 and on the adapter 20 a pivot lever 22 is mounted on the adapter 19, a pivot lever 21 and on the adapter 20, a pivot lever 22 is mounted.
  • the pivoting levers 21 and 22 are pivotally mounted in the device 10 with pivot pins 23 and 24.
  • the pivot pins 23 and 24 are attached to the unit carriers 11 and 12.
  • the pivot levers 21 and 22 are attached to the end portions of the tool holder 10. Consequently, the tool holder 10 can be pivoted to change the forming tools 14 and 15 (see FIGS. 2 and 4 ).
  • the pivot pins 23 and 24 thus define a pivot axis about which the pivot levers 21 and 22 and the tool holder 10 are pivoted.
  • the pivot pin 24 is driven by a pivot shaft 25.
  • a not shown here electric motor or a hydraulic drive for the generation of the pivoting movement may be flanged.
  • the adapter 19 has a shaft 26 which is inserted into the unit carrier 11. Between the unit carrier 11 and the shaft 26 is a circumferential sleeve 27 which is made of an elastomer mounted. This ensures a floating mounting of the adapter 19 in the unit carrier 11. Since the tool holder 10 can bend during the forming process due to the high forming forces in tenths of a millimeter, the adapter 19 and its shaft 26 are also in tenths of a millimeter in the axial and radial direction in the unit carrier 11 moves. The cuff 27 allows for the movement required for these movements. Thus, the shaft 26 and the unit carrier 11 are relieved in operation.
  • a guide cylinder 28 is mounted in the adapter 20. It serves to guide an ejector ram not shown here.
  • the adapter 20 is provided with a shaft 29 which is inserted into the unit carrier 12.
  • the adapter 19 has a receiving element 40 (see Fig. 4 ) for receiving the one end portion of the tool holder 10.
  • the adapter 20 has a receiving elements 30 (see Fig. 3 ) for receiving the other end portion of the tool holder 10.
  • the receiving elements 30 and 40 are formed as a half-cylinder. They have semicircular grooves, in which the end portions of the tool holder 10 can engage when it pivots in its operating position becomes.
  • the semicircular grooves are provided with inner cones, which taper towards the tool holder 10.
  • the tool holder 10 has outer cones on its end regions, which widen to the end faces of the tool holder 10.
  • the inner cone and the outer cone slide on each other, so that the tool holder 10 is pressed against abutment surfaces 31 and 41 of the adapter 19 and 20 (see FIGS. 3 and 4 ).
  • the tool holder 10 is thus in its operating position fed to the contact surfaces 41 and 31 at.
  • the abutment surfaces 31 and 41 are set back from the edges of the adapters 19 and 20 so that they form recesses.
  • the pivoting lever 22 is on its inside, in the area with which it includes the tool holder 10 partially also formed as a half-cylinder (see Fig. 6 ). It also has a semicircular groove 60, which is also provided with an inner cone 61 which tapers towards the tool holder 10.
  • the pivoting lever 22 is provided on its front side facing the unit carrier 12 with a semicircular shoulder 62 projecting above it.
  • Paragraph 62 can engage in the operating position of the tool holder 10 in a groove not shown here, which is attached to the adapter 20, positively.
  • the unit carrier 12 is provided with a recess 42 (see FIGS. 4 and 5 ). It facilitates the tool change.

Description

Die Erfindung betrifft ein System aus einer Vorrichtung zum Umformen und einem Schalttellerautomaten mit einer Werkzeugaufnahme zur Aufnahme von mindestens einem Umformwerkzeug, die zwischen zwei Einheitenträgern in einem Schalttellerautomaten angeordnet ist.The invention relates to a system of a device for forming and a switch plate machine with a tool holder for receiving at least one forming tool, which is arranged between two unit carriers in a switch plate machine.

Die Werkzeugaufnahme ist zum Umformen einenends mit einer hydraulischen Einrichtung zur Erzeugung eines Umformdrucks und anderenends mit einer hydraulischen Auswerfeinrichtung verbunden. Bei einem Werkzeugwechsel muss die Werkzeugaufnahme sowohl von der Hydraulik- als auch von der Auswerfeinrichtung demontiert werden. Nach dem die Werkzeuge gewechselt wurden, muss die Werkzeugaufnahme wieder mit der Hydraulik- und der Auswerfeinrichtung verbunden werden. Der Montageaufwand ist beachtlich. Die Umrüstzeit beträgt mehrere Stunden. Die damit verbundene Betriebsunterbrechung ist somit sehr kostspielig. Die DE 10 2012 005648 A1 offenbart eine Umformeinrichtung für einen Schalttellerautomaten mit einer Werkzeugaufnahme zur Aufnahme von mindestens einem Urformwerkzeug, die zwischen zwei Einheitenträgern angeordnet ist.The tool holder is connected for forming at one end with a hydraulic device for generating a forming pressure and at the other end with a hydraulic ejection device. When changing tools, the tool holder must be removed from both the hydraulic and the ejector. After the tools have been changed, the tool holder must be reconnected to the hydraulic and the ejector. The installation effort is considerable. The changeover time is several hours. The associated business interruption is thus very expensive. The DE 10 2012 005648 A1 discloses a forming device for a switch plate machine with a tool holder for receiving at least one forming tool, which is arranged between two unit carriers.

Die Erfindung hat die Aufgabe, ein gattungsgemäßes System dahingehend zu verbessern, dass ein Werkzeugwechsel zukünftig deutlich schneller und somit wirtschaftlicher als bisher erfolgen kann.The invention has the object to improve a generic system to the effect that a tool change in the future much faster and therefore more economical than before.

Die Erfindung löst die gestellte Aufgabe mit einer Vorrichtung der eingangs genannten Art, bei der erfindungsgemäß die Werkzeugaufnahme verschwenkbar zwischen den Einheitenträgern gelagert ist. Die Werkzeugaufnahme kann somit für einen Werkzeugwechsel einfach verschwenkt werden, so dass sie zum Wechseln der Werkzeuge leicht zugänglich ist. Die Werkzeuge können dann mit wenigen Handgriffen aus der Werkzeugaufnahme entnommen und anschließend durch andere ersetzt werden. Nachdem die Werkzeuge wieder in die Werkzeugaufnahme eingebaut worden sind, wird die Werkzeugaufnahme in ihre Betriebsstellung zurückverschwenkt. Ein Schalttellerautomat, in den die erfindungsgemäße Vorrichtung mit der Werkzeugaufnahme montiert ist, kann dann sofort wieder seinen Betrieb aufnehmen. Die Umrüstzeit beträgt höchstens 30 Minuten. Entsprechend gering ist die mit dem Werkzeugwechsel verbundene Betriebsunterbrechung. Durch die Verschwenkbarkeit der Werkzeugaufnahme ist der mit der Vorrichtung ausgerüstete Schalttellerautomat wirtschaftlich profitabel. Die zu wechselnden Werkzeuge sind in der Regel ein Umformstempel, eine Stempelhülse, eine Zwischenhülse, eine Matrize bzw. ein Matrizenpaket mit einem Ausstoßer.The invention solves this problem with a device of the type mentioned, in which according to the invention the tool holder is pivotally mounted between the unit carriers. The tool holder can thus be easily pivoted for a tool change, so that it is easily accessible for changing the tools. The tools can then be removed in a few steps from the tool holder and then replaced by others. After the tools have been re-installed in the tool holder, the tool holder is pivoted back into its operating position. A switch panel, in which the device according to the invention is mounted with the tool holder, can then immediately resume its operation. The changeover time is a maximum of 30 minutes. The operating interruption associated with the tool change is correspondingly low. Due to the pivotability of the tool holder of the equipped with the device indexer table is economically profitable. The tools to be changed are usually a forming die, a punch sleeve, an intermediate sleeve, a die or a die package with a pusher.

In den Einheitenträgern können Adapter angeordnet sein. Die Adapter verbinden die Werkzeugaufnahme einenends mit einer Hydraulikeinrichtung und anderenends mit einer Auswerfeinrichtung. Die Adapter können als lösbare Verbindungselemente zwischen der Hydraulikeinrichtung und der Werkzeugaufnahme und zwischen der Auswerfeinrichtung und der Werkzeugaufnahme ausgebildet sein. Die Werkzeugaufnahme kann mit Verschraubungen an den Adaptern befestigt werden. Vor dem Verschwenken der Werkzeugaufnahme werden die Verschraubungen gelöst. Dies kann in wenigen Minuten geschehen. Anschließend kann die Werkzeugaufnahme sofort in ihre Position für den Werkzeugwechsel verschwenkt werden. Ein bevorzugter Verschwenkwinkel kann bei ungefähr 120° liegen. Nach dem Zurückverschwenken der Werkzeugaufnahme wird die Werkzeugaufnahme wieder mit den Adaptern verschraubt.Adapters may be arranged in the unit carriers. The adapters connect the tool holder at one end to a hydraulic device and at the other end to an ejector. The adapters can be used as detachable connection elements be formed between the hydraulic device and the tool holder and between the ejector and the tool holder. The tool holder can be attached to the adapters with screwed connections. Before the pivoting of the tool holder, the glands are loosened. This can be done in a few minutes. Subsequently, the tool holder can be immediately pivoted to its position for the tool change. A preferred pivoting angle may be about 120 °. After swiveling back the tool holder, the tool holder is screwed back to the adapters.

Der auf der Seite der Auswerfeinrichtung angeordnete Adapter kann mit einem Führungszylinder, in dem die Auswerfeinrichtung geführt wird, bestückt sein.The arranged on the side of the ejector adapter can be equipped with a guide cylinder in which the ejection device is guided.

Die Adapter können Aufnahmeelemente zur Aufnahme der Endbereiche der Werkzeugaufnahme aufweisen. Die Aufnahmeelemente können als Halbzylinder, die in axialer Richtung halbierten Zylindern entsprechen, ausgebildet sein. Die Adapter und die Aufnahmeelemente sind vorzugsweise einstückig ausgebildet. Die Adapter können an ihrer Stirnseite Ränder aufweisen. Ferner können die Adapter an ihrer Stirnseite mit Anlageflächen versehen sein, an denen die Werkzeugaufnahme anliegen kann. Die Aufnahmeelemente können somit zwischen den Rändern und den Anlageflächen als Nuten ausgebildete Vertiefungen aufweisen. Beim Zurückverschwenken greift die Werkzeugaufnahme mit ihren Endbereichen in die Nuten ein, so dass die Adapter die Endbereiche teilweise umfassen.The adapters may have receiving elements for receiving the end regions of the tool holder. The receiving elements may be formed as half cylinders which correspond to cylinders which are halved in the axial direction. The adapters and the receiving elements are preferably formed in one piece. The adapters may have edges on their front side. Furthermore, the adapter can be provided on its front side with contact surfaces on which the tool holder can rest. The receiving elements can thus have recesses formed between the edges and the contact surfaces as grooves. When pivoting back the tool holder engages with their end portions in the grooves, so that the adapter partially surround the end portions.

In einer bevorzugten Ausführungsform können die Adapter Ränder mit Innenkonussen aufweisen. Die Endbereiche der Werkzeugaufnahme können hingegen mit Außenkonussen versehen sein. Beim Zurückverschwenken der Werkzeugaufnahme in ihre Betriebsstellung gleiten die Außenkonusse der Werkzeugaufnahme und die Innenkonusse der Adapter aufeinander ab. Dadurch wird die Werkzeugaufnahme an die Anlageflächen der Adapter gedrückt. Außerdem wird die Werkzeugaufnahme durch die als Halbzylinder ausgebildeten Aufnahmeelemente gegenüber den Adaptern zentriert.In a preferred embodiment, the adapters may have edges with internal cones. The end areas of the Tool holder, however, may be provided with outer cones. When swiveling the tool holder back into its operating position, the outer cones of the tool holder and the inner cones of the adapter slide off one another. As a result, the tool holder is pressed against the contact surfaces of the adapter. In addition, the tool holder is centered by the trained as a half-cylinder receiving elements relative to the adapters.

Die Anlageflächen der Adapter sorgen dafür, dass die Stirnseiten der Werkzeugaufnahme im Betrieb fest an den Adaptern anliegen. Die Anlageflächen können gegenüber den Rändern der Adapter zurückversetzt sein, so dass die Ränder der Adapter über die Anlageflächen hinausstehen.The contact surfaces of the adapters ensure that the end faces of the tool holder rest firmly against the adapters during operation. The abutment surfaces may be recessed relative to the edges of the adapters so that the edges of the adapters protrude beyond the abutment surfaces.

Außerdem können die Adapter jeweils einen Schaft, der in die Einheitenträger eingeführt ist, aufweisen. Auf diese Weise wird eine möglichst steife Verbindung zwischen den Einheitenträgern und den Adaptern hergestellt. Verschraubungen, die zur Befestigung der Adapter mit den Einheitenträgern dienen können, werden somit von Querkräften entlastet.In addition, the adapters may each have a shaft inserted into the unit carrier. In this way a stiff connection between the unit carriers and the adapters is made. Fittings that can serve to attach the adapter with the unit carriers are thus relieved of lateral forces.

In einer Weiterbildung der Erfindung kann der Schaft einer der Adapter von einer im Einheitenträger angeordneten Manschette umfasst sein. Die Manschette kann vorzugsweise aus einem Elastomer gefertigt sein. Durch die Manschette ist der Adapter im Einheitenträger schwimmend gelagert. Er kann sich im Einheitenträger sowohl in axialer Richtung als auch in radialer Richtung bewegen. Der Bewegungsspielraum, der im zehntel Millimeterbereich liegt, kann zweckmäßig sein, wenn sich die Werkzeugaufnahme während des Umformvorganges ebenfalls im zehntel Millimeterbereich aufbiegt. Auf diese Weise werden der Schaft und der Einheitenträger entlastet.In one development of the invention, the shaft of one of the adapters may be encompassed by a collar arranged in the unit carrier. The collar may preferably be made of an elastomer. Through the cuff, the adapter is floating in the unit carrier. He can move in the unit carrier both in the axial direction and in the radial direction. The range of motion, which is in the tenth of a millimeter range, may be useful if the tool holder during the forming process also bends in tenths of a millimeter. In this way, the shaft and the unit carrier are relieved.

Um die Werkzeugaufnahme verschwenken zu können, kann sie an ihren Endbereichen mit Schwenkhebeln verschwenkbar gelagert sein. Die Schwenkhebel können in den Einheitenträgern mittels Schwenkbolzen gelagert sein. Die Schwenkbolzen können somit die Schwenkachse der Schwenkhebel und der Werkzeugaufnahme bilden.In order to pivot the tool holder, it may be pivotally mounted at its end with pivoting levers. The pivot levers can be mounted in the unit carriers by means of pivot pins. The pivot pin can thus form the pivot axis of the pivot lever and the tool holder.

Die Schwenkhebel können eine Nut zur Aufnahme der Endbereiche der Werkzeugaufnahme aufweisen. Die Schwenkhebel können in dem Bereich, indem sie die Werkzeugaufnahme teilweise umfassen, ebenfalls wie Halbzylinder ausgebildet sein.The pivot levers may have a groove for receiving the end portions of the tool holder. The pivot levers may also be formed as half cylinders in the region by partially enclosing the tool holder.

Einer der Schwenkhebel kann an seiner dem Einheitenträger zugewandten Stirnseite einen über diese vorstehenden Absatz aufweisen. Der Absatz kann in eine entsprechend ausgebildete Nut formschlüssig eingreifen, die vorzugsweise in dem Adapter angeordnet ist, der sich auf der Seite der Auswerfeinrichtung befindet. Auf diese Weise müssen Verschraubungen zur Befestigung des Schwenkhebels mit dem Adapter in der Betriebsstellung der Werkzeugaufnahme keine während ihres Aufbiegens entstehenden Querkräfte aufnehmen.One of the pivot levers may have on its front side facing the unit carrier on this projecting paragraph. The shoulder can engage positively in a correspondingly formed groove, which is preferably arranged in the adapter, which is located on the side of the ejection device. In this way, fittings for mounting the pivot lever with the adapter in the operating position of the tool holder do not absorb any transverse forces arising during their bending.

Zweckmäßigerweise kann die Werkzeugaufnahme mit einer Schwenkwelle verschwenkt werden. Die Schwenkwelle kann mit einem Elektromotor oder hydraulisch angetrieben werden. Der Elektromotor kann auf den bevorzugten Verschwenkwinkel von circa 120° eingestellt werden.Appropriately, the tool holder can be pivoted with a pivot shaft. The pivot shaft can be driven by an electric motor or hydraulically. The electric motor can be adjusted to the preferred pivot angle of about 120 °.

Um den Werkzeugwechsel zu erleichtern, kann einer der Einheitenträger mit einer Ausnehmung zum erleichterten Entfernen und Zuführen der Werkzeuge versehen sein.To facilitate the tool change, one of the unit carriers may be provided with a recess for facilitated removal and feeding of the tools.

Nachfolgend wird ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung anhand der beiliegenden Zeichnungen näher erläutert.Hereinafter, an embodiment of the device according to the invention will be explained in more detail with reference to the accompanying drawings.

Im Einzelnen zeigen:

Fig. 1
eine Schnittansicht durch die Vorrichtung samt einer Werkzeugaufnahme;
Fig. 2
eine Seitenansicht auf die Vorrichtung mit einer verschwenkten Werkzeugaufnahme;
Fig. 3
eine teilweise Schnittansicht durch die Werkzeugaufnahme entlang der Schnittlinie B-B aus Fig. 2;
Fig. 4
eine perspektivische Draufsicht auf die Vorrichtung mit der verschwenkten Werkzeugaufnahme;
Fig. 5
eine perspektivische Draufsicht auf die Vorrichtung mit der Werkzeugaufnahme in ihrer Betriebsstellung;
Fig. 6
einen Schwenkhebel.
In detail show:
Fig. 1
a sectional view through the device including a tool holder;
Fig. 2
a side view of the device with a pivoted tool holder;
Fig. 3
a partial sectional view through the tool holder along the section line BB Fig. 2 ;
Fig. 4
a top perspective view of the device with the pivoted tool holder;
Fig. 5
a top perspective view of the device with the tool holder in its operating position;
Fig. 6
a pivot lever.

Fig. 1 zeigt eine Vorrichtung 100 zum Umformen mit einer Werkzeugaufnahme 10, die zwischen zwei Einheitenträgern 11 und 12 eines Schalttellerautomaten 13 montiert ist. In der Werkzeugaufnahme 10 sind Umformwerkzeuge 14 und 15 angeordnet. Das Umformwerkzeug 14 ist ein Pressstempel und das Umformwerkzeug 15 ein Matrizenpaket. Zwischen den Umformwerkzeug 14 und 15 befindet sich ein Werkstück 16. Fig. 1 shows a device 100 for forming with a tool holder 10, which between two unit carriers 11 and 12 of a switch panel machine 13 is mounted. In the tool holder 10 forming tools 14 and 15 are arranged. The forming tool 14 is a press die and the forming tool 15 is a die package. Between the forming tool 14 and 15 is a workpiece 16.

Am Einheitenträger 11 ist eine Hydraulikeinrichtung 17 und am Einheitenträger 12 eine Auswerfeinrichtung 18 angeordnet. Die Hydraulikeinrichtung 17 erzeugt den für den Umformvorgang erforderlichen Pressdruck. Die Auswerfeinrichtung 18 stößt das umgeformte Werkstück 16 aus der Matrize 15.On the unit carrier 11, a hydraulic device 17 and the unit carrier 12, an ejector 18 is arranged. The hydraulic device 17 generates the pressing pressure required for the forming process. The ejector 18 pushes the formed workpiece 16 out of the die 15.

In die Einheitenträger 11 und 12 sind Adapter 19 und 20 eingeführt. Der Adapter 19 verbindet die Werkzeugaufnahme 10 lösbar mit der Hydraulikeinrichtung 17. Der Adapter 20 verbindet der Werkzeugaufnahme 10 lösbar mit der Auswerfeinrichtung 18.Into the unit supports 11 and 12, adapters 19 and 20 are inserted. The adapter 19 removably connects the tool holder 10 to the hydraulic device 17. The adapter 20 removably connects the tool holder 10 to the ejection device 18.

An dem Adapter 19 ist ein Schwenkhebel 21 und an dem Adapter 20 einen Schwenkhebel 22 angebracht. Die Schwenkhebel 21 und 22 sind mit Schwenkbolzen 23 und 24 verschwenkbar in der Vorrichtung 10 gelagert. Die Schwenkbolzen 23 und 24 sind an den Einheitenträgern 11 und 12 befestigt. Die Schwenkhebel 21 und 22 sind an den Endbereichen der Werkzeugaufnahme 10 befestigt. Folglich kann die Werkzeugaufnahme 10 zum Wechseln der Umformwerkzeuge 14 und 15 verschwenkt werden (siehe Fign. 2 und 4). Die Schwenkbolzen 23 und 24 definieren somit eine Schwenkachse, um welche die Schwenkhebel 21 und 22 und die Werkzeugaufnahme 10 verschwenkt werden.On the adapter 19, a pivot lever 21 and on the adapter 20, a pivot lever 22 is mounted. The pivoting levers 21 and 22 are pivotally mounted in the device 10 with pivot pins 23 and 24. The pivot pins 23 and 24 are attached to the unit carriers 11 and 12. The pivot levers 21 and 22 are attached to the end portions of the tool holder 10. Consequently, the tool holder 10 can be pivoted to change the forming tools 14 and 15 (see FIGS. 2 and 4 ). The pivot pins 23 and 24 thus define a pivot axis about which the pivot levers 21 and 22 and the tool holder 10 are pivoted.

Der Schwenkbolzen 24 wird durch eine Schwenkwelle 25 angetrieben. An der Schwenkwelle 25 kann ein hier nicht näher dargestellter Elektromotor oder ein hydraulischer Antrieb für die Erzeugung der Verschwenkbewegung angeflanscht sein.The pivot pin 24 is driven by a pivot shaft 25. On the pivot shaft 25, a not shown here electric motor or a hydraulic drive for the generation of the pivoting movement may be flanged.

Der Adapter 19 weist einen Schaft 26 auf, der in den Einheitenträger 11 gesteckt ist. Zwischen dem Einheitenträger 11 und dem Schaft 26 ist eine umlaufende Manschette 27, die aus einem Elastomer gefertigt ist, montiert. Diese sorgt für eine schwimmende Lagerung des Adapters 19 im Einheitenträger 11. Da sich die Werkzeugaufnahme 10 während des Umformvorganges aufgrund der hohen Umformkräfte im zehntel Millimeterbereich aufbiegen kann, werden der Adapter 19 und sein Schaft 26 ebenfalls im zehntel Millimeterbereich in axialer und radialer Richtung im Einheitenträger 11 bewegt. Die Manschette 27 gestattet den für diese Bewegungen erforderlichen Bewegungsspielraum. Somit werden der Schaft 26 und der Einheitenträger 11 im Betrieb entlastet.The adapter 19 has a shaft 26 which is inserted into the unit carrier 11. Between the unit carrier 11 and the shaft 26 is a circumferential sleeve 27 which is made of an elastomer mounted. This ensures a floating mounting of the adapter 19 in the unit carrier 11. Since the tool holder 10 can bend during the forming process due to the high forming forces in tenths of a millimeter, the adapter 19 and its shaft 26 are also in tenths of a millimeter in the axial and radial direction in the unit carrier 11 moves. The cuff 27 allows for the movement required for these movements. Thus, the shaft 26 and the unit carrier 11 are relieved in operation.

In den Adapter 20 ist ein Führungszylinder 28 montiert. Er dient zur Führung eines hier nicht näher dargestellten Auswerferstößels. Der Adapter 20 ist mit einem Schaft 29 versehen, der in den Einheitenträger 12 eingesteckt ist.In the adapter 20, a guide cylinder 28 is mounted. It serves to guide an ejector ram not shown here. The adapter 20 is provided with a shaft 29 which is inserted into the unit carrier 12.

Der Adapter 19 weist ein Aufnahmeelement 40 auf (siehe Fig. 4) zur Aufnahme des einen Endbereichs der Werkzeugaufnahme 10. Der Adapter 20 weist ein Aufnahmeelemente 30 auf (siehe Fig. 3) zur Aufnahme des anderen Endbereichs der Werkzeugaufnahme 10. Die Aufnahmeelemente 30 und 40 sind als Halbzylinder ausgebildet. Sie weisen halbkreisförmige Nuten auf, in welche die Endbereiche der Werkzeugaufnahme 10 eingreifen können, wenn diese in ihre Betriebsstellung verschwenkt wird. Die halbkreisförmigen Nuten sind mit Innenkonussen versehen, die sich zur Werkzeugaufnahme 10 hin verjüngen.The adapter 19 has a receiving element 40 (see Fig. 4 ) for receiving the one end portion of the tool holder 10. The adapter 20 has a receiving elements 30 (see Fig. 3 ) for receiving the other end portion of the tool holder 10. The receiving elements 30 and 40 are formed as a half-cylinder. They have semicircular grooves, in which the end portions of the tool holder 10 can engage when it pivots in its operating position becomes. The semicircular grooves are provided with inner cones, which taper towards the tool holder 10.

Die Werkzeugaufnahme 10 weist an ihren Endbereichen Außenkonusse auf, die sich zu den Stirnseiten der Werkzeugaufnahme 10 hin erweitern. Wenn die Werkzeugaufnahme 10 in ihre Betriebsstellung verschwenkt wird, gleiten die Innenkonusse und die Außenkonusse aufeinander ab, so dass die Werkzeugaufnahme 10 gegen Anlageflächen 31 und 41 der Adapter 19 und 20 gedrückt wird (siehe Fign. 3 und 4). Die Werkzeugaufnahme 10 liegt somit in ihrer Betriebsstellung satt an den Anlageflächen 41 und 31 an.The tool holder 10 has outer cones on its end regions, which widen to the end faces of the tool holder 10. When the tool holder 10 is pivoted into its operating position, the inner cone and the outer cone slide on each other, so that the tool holder 10 is pressed against abutment surfaces 31 and 41 of the adapter 19 and 20 (see FIGS. 3 and 4 ). The tool holder 10 is thus in its operating position fed to the contact surfaces 41 and 31 at.

Die Anlageflächen 31 und 41 sind gegenüber den Rändern der Adapter 19 und 20 zurückversetzt, so dass sie Vertiefungen bilden.The abutment surfaces 31 and 41 are set back from the edges of the adapters 19 and 20 so that they form recesses.

Der Schwenkhebel 22 ist an seiner Innenseite, in dem Bereich, mit dem er die Werkzeugaufnahme 10 teilweise umfasst ebenfalls wie ein Halbzylinder ausgebildet (siehe Fig. 6). Er weist ebenfalls eine halbkreisförmige Nut 60 auf, die auch mit einem Innenkonus 61, der sich zur Werkzeugaufnahme 10 hin verjüngt, versehen ist.The pivoting lever 22 is on its inside, in the area with which it includes the tool holder 10 partially also formed as a half-cylinder (see Fig. 6 ). It also has a semicircular groove 60, which is also provided with an inner cone 61 which tapers towards the tool holder 10.

Der Schwenkhebel 22 ist an seiner dem Einheitenträger 12 zugewandten Stirnseite mit einem über diese vorstehenden halbkreisförmigen Absatz 62 versehen. Absatz 62 kann in der Betriebsstellung der Werkzeugaufnahme 10 in eine hier nicht näher dargestellte Nut, die am Adapter 20 angebracht ist, formschlüssig eingreifen.The pivoting lever 22 is provided on its front side facing the unit carrier 12 with a semicircular shoulder 62 projecting above it. Paragraph 62 can engage in the operating position of the tool holder 10 in a groove not shown here, which is attached to the adapter 20, positively.

Der Einheitenträger 12 ist mit einer Ausnehmung 42 versehen (siehe Fign. 4 und 5). Sie erleichtert den Werkzeugwechsel. BEZUGSZEICHENLISTE 10 Werkzeugaufnahme 27 Manschette 11 Einheitenträger 28 Führungszylinder 12 Einheitenträger 29 Schaft 13 Schalttellerautomat 14 Umformwerkzeug 30 Aufnahmeelement 15 Umformwerkzeug 31 Anlagefläche 16 Werkstück 17 Hydraulikeinrichtung 40 Aufnahmeelement 18 Auswerfeinrichtung 41 Anlagefläche 19 Adapter 42 Ausnehmung 20 Adapter 21 Schwenkhebel 60 Nut 22 Schwenkhebel 61 Innenkonus 23 Schwenkbolzen 62 Absatz 24 Schwenkbolzen 25 Schwenkwelle 100 Vorrichtung 26 Schaft The unit carrier 12 is provided with a recess 42 (see FIGS. 4 and 5 ). It facilitates the tool change. <B> LIST OF REFERENCES </ b> 10 tool holder 27 cuff 11 unit Base 28 guide cylinder 12 unit Base 29 shaft 13 Indexing Plate Machine 14 forming tool 30 receiving element 15 forming tool 31 contact surface 16 workpiece 17 hydraulic device 40 receiving element 18 ejector 41 contact surface 19 adapter 42 recess 20 adapter 21 pivoting lever 60 groove 22 pivoting lever 61 inner cone 23 pivot pin 62 paragraph 24 pivot pin 25 pivot shaft 100 contraption 26 shaft

Claims (13)

  1. A system comprising an apparatus (100) for forming and an automatic indexing plate lathe (13), with a tool holder (10) mounted between two unit carriers (11, 12) in the automatic indexing plate lathe (13) for holding at least one forming tool (14, 15), characterized in that the tool holder (10) is mounted so as to be pivotable between the unit carriers (11, 12).
  2. The system according to claim 1, characterized in that adapters (19, 20) are arranged inside the unit carriers (11, 12).
  3. The system according to claim 2, characterized in that the adapters (19, 20) have receiving elements (30) for receiving the end regions of tool holder (10).
  4. The system according to claim 2 or 3, characterized in that the adapters (19, 20) have edges with internal cones.
  5. The system according to any one of claims 2 to 4, characterized in that the adapters (19, 20) each have a shank (26, 29), which are inserted in the unit carriers (11, 12).
  6. The system according to claim 5, characterized in that the shank (26) of one of the adapters (19) is enclosed in a sleeve (27) disposed inside the unit carrier (11).
  7. The system according to claim 6, characterized in that the sleeve (27) is manufactured from an elastomer.
  8. The system according to any one of claims 1 to 7, characterized in that the tool holder (10) is mounted with pivot levers (21, 22) at its end regions so as to be pivotable.
  9. The system according to claim 8, characterized in that the pivot levers (21, 22) have a groove for receiving the end regions of the tool holder (10).
  10. The system according to claim 8 or 9, characterized in that the frontal face of one of the pivot levers (22) facing the unit carrier (12) has a shoulder (62) which projects beyond the carrier.
  11. The system according to any one of claims 1 to 10, characterized in that the tool holder (10) is pivotable with a pivot shaft (25).
  12. The system according to any one of claims 1 to 11, characterized in that one of the unit carriers (11, 12) is furnished with a recess (42) for removing and inserting the tools.
  13. The system according to any one of claims 2 to 12, characterized in that the adapters (19, 20) have contact surfaces (31, 41) on which the frontal faces of the tool holder (10) can be contacted.
EP16729755.5A 2015-04-08 2016-04-06 System comprising a deformation manufacturing machine and an indexing table Active EP3280555B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015005025.7A DE102015005025B4 (en) 2015-04-08 2015-04-08 Device for forming in a switch plate machine
PCT/DE2016/000143 WO2016162004A1 (en) 2015-04-08 2016-04-06 Device for forming in an automatic indexing plate lathe

Publications (2)

Publication Number Publication Date
EP3280555A1 EP3280555A1 (en) 2018-02-14
EP3280555B1 true EP3280555B1 (en) 2019-09-18

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Application Number Title Priority Date Filing Date
EP16729755.5A Active EP3280555B1 (en) 2015-04-08 2016-04-06 System comprising a deformation manufacturing machine and an indexing table

Country Status (3)

Country Link
EP (1) EP3280555B1 (en)
DE (1) DE102015005025B4 (en)
WO (1) WO2016162004A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768931A (en) * 1996-12-13 1998-06-23 Gombas; Laszlo A. Article processing machine
DE102005029060B3 (en) * 2005-06-23 2006-11-30 Reis Gmbh & Co. Kg Maschinenfabrik Three-column deburring or stamping press comprises a tool changer in the form of a tool holder that can pivot about the rear column
DE102012005648B4 (en) * 2012-03-22 2015-05-21 Ekm-Roth Gmbh Device for forming in a switch plate machine

Non-Patent Citations (1)

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

Also Published As

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WO2016162004A1 (en) 2016-10-13
DE102015005025B4 (en) 2016-12-01
DE102015005025A1 (en) 2016-10-13
EP3280555A1 (en) 2018-02-14

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