EP0728543B1 - Device for transferring workpieces between processing stations - Google Patents
Device for transferring workpieces between processing stations Download PDFInfo
- Publication number
- EP0728543B1 EP0728543B1 EP96102235A EP96102235A EP0728543B1 EP 0728543 B1 EP0728543 B1 EP 0728543B1 EP 96102235 A EP96102235 A EP 96102235A EP 96102235 A EP96102235 A EP 96102235A EP 0728543 B1 EP0728543 B1 EP 0728543B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- torque
- transmission device
- designed
- transport rails
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
- B21D43/055—Devices comprising a pair of longitudinally and laterally movable parallel transfer bars
Definitions
- the invention relates to a device for transfer of workpieces through a series of machining stations according to the closer in the preamble of claim 1 defined art.
- Such transfer devices are used in presses, Step presses, press lines, but also in simulators for moving workpieces, in the latter Use case for setting up a press.
- a device according to the preamble of claim 1 is for Example known from DE-A-4310057.
- the present invention is based on the object a device to provide the disadvantages of the prior art the technology does not have, especially with the problem-free and smooth movements of the transport rails in the transverse direction, i.e. transverse to the direction of flow of the components through the press.
- the crossbeams on which the drive devices for the longitudinal movement the transport rails are arranged to move towards one another is a tilting of the crossbeams in their Guide rails excluded.
- the direction of flow of workpieces through the press 1 is through a Arrow indicated.
- Gripping devices 3 are known on the transport rails 2 Type attached, e.g. Pliers, suction cups or the like.
- lock boxes 4 of the press 1 there are drive devices for movements of the transport rails 2 in the transverse direction, i.e. towards each other in a horizontal plane, and arranged for movements in the vertical direction. So it serves in FIG. 1 with the reference symbol 12 marked and in the lock box 4 of the Press 1 arranged motor as a drive device for Move the transport rails 2 towards each other while by means of a likewise arranged in the lock case 4 Motors 13 Movements of the transport rails 2 can be realized in the vertical direction.
- movable cross members 7 arranged, who have appropriate facilities in the present exemplary embodiment as coupling rods 14 are connected to the transport rails 2 are.
- the coupling rods 14 are in the present embodiment only shown schematically but, for example, designed as double-arm tabs be.
- the cross members 7 are supported in linear guides 8.
- the traverses 7 are driven by an additional one Transverse drive 9, which via a shaft 10 Torque transmission device 11, which in the The present embodiment is designed as a toothed belt is, drives, on the toothed belt 11 suitable way the trusses 7 attached are.
- This movement of the cross members 7 takes place synchronously with the arranged in the lock box 4 and already mentioned motor 12 for driving the transport rails 2 in the transverse direction, with the synchronization about the drive devices for the individual Axes is realized. This prevents canting the crossbeams 7 in the linear guides 8 occur, resulting in jerky movements of the transport rails 2 would lead.
- the torque transmission device which in the The present embodiment is designed as a toothed belt can of course also be different be carried out, for example as a chain or as spindle drive or rack and pinion drive. Generally can any suitable device by means of which a rotary movement is converted into a linear movement become.
- Fig. 3 shows an arrangement of the device on a hanging lock box of a press or a simulator.
- the device is analogous to that in context 2 described with the device built, with the same components the same reference numerals have been used.
- the already mentioned advantages and the functioning of the device can analogously to the device according to FIG. 3 be transmitted.
- the device described can of course can also be used with biaxial transfer systems, if necessary.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Conveyors (AREA)
- Specific Conveyance Elements (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Automatic Assembly (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Transfer
von Werkstücken durch eine Folge von Bearbeitungsstationen
nach der im Oberbegriff des Anspruchs 1 näher
definierten Art.The invention relates to a device for transfer
of workpieces through a series of machining stations
according to the closer in the preamble of
Derartige Transfervorrichtungen werden in Pressen, Stufenpressen, Pressenstraßen, aber auch in Simulatoren zum Umsetzen von Werkstücken, im letztgenannten Anwendungsfall zum Einrichten einer Presse, verwendet.Such transfer devices are used in presses, Step presses, press lines, but also in simulators for moving workpieces, in the latter Use case for setting up a press.
Hierbei ist eine separate Steuerung der Transportschienen in zwei bzw. drei Achsen erforderlich.Here is a separate control of the transport rails required in two or three axes.
Aus der Praxis ist eine Vorrichtung bekannt, bei welcher der Bewegungsantrieb der Transportschienen in ihrer Längsrichtung durch zumindest einen Motor erfolgt, der direkt, bei Verwendung eines Getriebes indirekt, auf ein Zahnrad, bei Verwendung eines Zahnriemens auf ein Umlenkrad, wirkt, wobei das Zahnrad mit einer sich in Längsrichtung der Transportschiene erstreckenden Zahnstange, das Umlenkrad mit einem sich in Längsrichtung der Transportschiene erstreckenden Zahnriemen zusammenwirkt, wobei an der Zahnstange bzw. an dem Zahnriemen in einem den Transportschienen fernen Bereich ein Abgriffspunkt gebildet ist, in dem eine Kuppelstange mit einem Endteil angelenkt ist, wobei der andere Endteil an die Transportschiene angelenkt ist.In practice there is a device known in which the motion drive of the transport rails in their longitudinal direction done by at least one engine that directly, indirectly when using a gearbox a gear, when using a toothed belt on a Deflection wheel, acts, the gear with one in Rack extending longitudinally of the transport rail, the deflection wheel with a lengthways the toothed belt extending between the transport rail cooperates, being on the rack or on the toothed belt in an area far from the transport rails Tapping point is formed in which a coupling rod is articulated with one end part, the other end part is hinged to the transport rail.
Nachteilig dieser ist jedoch, daß die unterschiedlichen Bewegungen der Transportschienen mechanisch gekoppelt sind, was eine relativ aufwendige Montage der gesamten Vorrichtung und verhältnismäßig viele bewegte Massen zur Folge hat.The disadvantage of this is that the different Movements of the transport rails mechanically coupled are what a relatively complex assembly of the entire device and relatively many moved Masses.
Bei modernen Pressen werden die Antriebseinrichtungen für die einzelnen Bewegungsrichtungen der Transportschienen elektrisch miteinander gekoppelt, wodurch die aufwendige mechanische Kopplung entfällt.In modern presses, the drive devices for the individual directions of movement of the transport rails electrically coupled to each other, making the there is no need for complex mechanical coupling.
Allerdings tritt hierbei der Nachteil auf, daß von den für die Querbewegung der Transportschienen vorgesehenen Antriebseinrichtungen gleichzeitig auch die auf Quertraversen vorgesehenen Antriebseinrichtungen für die Bewegung der Transportschienen in Längsrichtung mitverschoben werden müssen, wodurch die Antriebseinrichtungen für die Querbewegung der Transportschienen stärker ausgelegt werden müssen.However, this has the disadvantage that of the provided for the transverse movement of the transport rails Drive devices also the Drive devices provided on crossbeams for the movement of the transport rails in the longitudinal direction must also be moved, whereby the drive devices for the transverse movement of the transport rails have to be interpreted more strongly.
Ein weiteres Problem, das in diesem Zusammenhang auftritt, ist ein mögliches Verkanten der Quertraversen in ihren Führungsschienen, so daß hierdurch keine einwandfreie und vor allem ruckfreie und somit genaue Bewegung der Transportschienen gewährleistet ist.Another problem that arises in this context is a possible tilting of the crossbeams in their guide rails, so that this does not result in perfect and above all jerk-free and therefore precise movement the transport rails is guaranteed.
Eine Vorrichtung gemäß den Oberbegriff des Anspruchs 1 ist zum
Beispiel aus der DE-A-4310057 bekannt.A device according to the preamble of
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung vorzusehen, welche die genannten Nachteile des Standes der Technik nicht aufweist, insbesondere mit der problemlose und ruckfreie Bewegungen der Transportschienen in Querrichtung, also quer zur Durchlaufrichtung der Bauteile durch die Presse, möglich sind.The present invention is based on the object a device to provide the disadvantages of the prior art the technology does not have, especially with the problem-free and smooth movements of the transport rails in the transverse direction, i.e. transverse to the direction of flow of the components through the press.
Erfindungsgemäß wird diese Aufgabe durch die im
Anspruch 1 genannten Merkmale
gelöst.According to the invention, this object is achieved by the
Durch das Vorsehen eines zusätzlichen Querantriebes, der synchron mit den in einem Schließkasten der Presse angeordneten Antriebsmotoren für die Horizontalbewegung der Transportschienen die Quertraversen, auf welchen die Antriebseinrichtungen für die Längsbewegung der Transportschienen angeordnet sind, aufeinanderzubewegt, ist ein Verkanten der Quertraversen in ihren Führungsschienen ausgeschlossen.By providing an additional transverse drive, which is synchronized with that in a press lock box arranged drive motors for horizontal movement of the transport rails, the crossbeams on which the drive devices for the longitudinal movement the transport rails are arranged to move towards one another, is a tilting of the crossbeams in their Guide rails excluded.
Der Bewegungsablauf der Transportschienen zum Aufnehmen, Transportieren und Absetzen von Werkstücken kann daher ruckfrei erfolgen.The sequence of movements of the transport rails for picking up, Can transport and set down workpieces therefore take place smoothly.
Nachfolgend ist anhand der Zeichnung ein Ausführungsbeispiel der vorliegenden Erfindung prinzipmäßig beschrieben.An exemplary embodiment is given below with reference to the drawing described in principle of the present invention.
Es zeigt:
- Fig. 1
- eine Ansicht einer erfindungsgemäßen Vorrichtung,
- Fig. 2
- in vergrößerter Darstellung die Einzelheit II der Fig. 1, und
- Fig. 3
- eine Ansicht einer erfindungsgemäßen Vorrichtung, die an einem hängenden Schließkasten angebracht ist.
- Fig. 1
- 2 shows a view of a device according to the invention,
- Fig. 2
- in an enlarged view, the detail II of Fig. 1, and
- Fig. 3
- a view of a device according to the invention, which is attached to a hanging lock case.
Bezugnehmend auf Fig. 1 ist eine Presse bzw. ein Simulator
1 dargestellt, welcher Transportschienen 2
aufweist, die in drei senkrecht aufeinanderstehenden
Achsenrichtungen bewegbar sind. Die Durchlaufrichtung
von Werkstücken durch die Presse 1 ist durch einen
Pfeil angegeben.1 is a press or
An den Transportschienen 2 sind Greifzeuge 3 bekannter
Art angebracht, z.B. Zangen, Sauger oder dergleichen.
In Schließkästen 4 der Presse 1 sind Antriebseinrichtungen
für Bewegungen der Transportschienen 2 in Querrichtung,
d.h. in horizontaler Ebene aufeinanderzu,
sowie für Bewegungen in vertikaler Richtung angeordnet.
So dient der in der Fig. 1 mit dem Bezugszeichen
12 gekennzeichnete und in dem Schließkasten 4 der
Presse 1 angeordnete Motor als Antriebseinrichtung zum
Bewegen der Transportschienen 2 aufeinanderzu, während
mittels eines ebenfalls in dem Schließkasten 4 angeordneten
Motors 13 Bewegungen der Transportschienen 2
in vertikaler Richtung realisierbar sind.In lock boxes 4 of the
Die Längsbewegungen der Transportschienen 2, also Bewegungen
parallel zur Förderrichtung von Werkstücken,
werden von Antriebseinrichtungen 5 ausgeführt, welche
Schlitten 6 bewegen, die in Linearführungen parallel
zur Durchlaufrichtung verschiebbar sind. The longitudinal movements of the
Auf den Schlitten 6 sind in Querrichtung, d.h. quer
zur Durchlaufrichtung, verschiebliche Traversen 7 angeordnet,
die über geeignete Einrichtungen, die in dem
vorliegenden Ausführungsbeispiel als Kuppelstangen 14
ausgeführt sind, mit den Transportschienen 2 verbunden
sind.On the
Die Kuppelstangen 14 sind in dem vorliegenden Ausführungsbeispiel
lediglich schematisch dargestellt, können
aber beispielsweise als doppelarmige Laschen ausgeführt
sein.The
Die Traversen 7 sind hierbei in Linearführungen 8 gelagert.The
Der Antrieb der Traversen 7 erfolgt über einen zusätzlichen
Querantrieb 9, welcher über eine Welle 10 eine
Drehmomentenübertragungseinrichtung 11, die in dem
vorliegenden Ausführungsbeispiel als Zahnriemen ausgeführt
ist, antreibt, wobei an dem Zahnriemen 11 auf
geeignete Art und Weise die Traversen 7 befestigt
sind.The
Um eine synchronisierte Bewegung der Traversen 7 aufeinanderzu
zu ermöglichen, ist eine der Traversen 7
über eine geeignete Einrichtung fest mit dem Zahnriemen
11 verbunden, während die zweite Traverse 7 an einem
zuerst über eine Umlenkung geführten Bereich des
Zahnriemens 11 befestigt ist, so daß die beiden Bereiche
des Zahnriemens parallel zueinander und weitgehend
horizontal verlaufend angeordnet sind. Wird nunmehr
über den Querantrieb 9 die Welle 10 in Drehbewegung
versetzt, so bewegen sich die beiden Traversen 7 aufeinanderzu
bzw. voneinanderweg. In order for a synchronized movement of the
Diese Bewegung der Quertraversen 7 erfolgt synchron
mit dem in dem Schließkasten 4 angeordneten und bereits
erwähnten Motor 12 für den Antrieb der Transportschienen
2 in Querrichtung, wobei die Synchronisation
über die Antriebseinrichtungen für die einzelnen
Achsen realisiert ist. Somit wird vermieden, daß Verkantungen
der Quertraversen 7 in den Linearführungen 8
auftreten, was zu ruckartigen Bewegungen der Transportschienen
2 führen würde.This movement of the
Die Drehmomentenübertragungseinrichtung, die in dem vorliegenden Ausführungsbeispiel als Zahnriemen ausgebildet ist, kann selbstverständlich auch andersartig ausgeführt sein, beispielsweise als Kette oder auch als Spindeltrieb oder Zahnstangentrieb. Allgemein kann jede geeignete Einrichtung, mittels derer eine Drehbewegung in eine Linearbewegung umgesetzt wird, verwendet werden.The torque transmission device, which in the The present embodiment is designed as a toothed belt can of course also be different be carried out, for example as a chain or as spindle drive or rack and pinion drive. Generally can any suitable device by means of which a rotary movement is converted into a linear movement become.
Fig. 3 zeigt eine Anordnung der Vorrichtung an einem hängenden Schließkasten einer Presse bzw. eines Simulators.Fig. 3 shows an arrangement of the device on a hanging lock box of a press or a simulator.
Die Vorrichtung ist hierbei sinngemäß wie die in Zusammenhang
mit der Fig. 2 beschriebene Vorrichtung
aufgebaut, wobei für die jeweils selben Bauteile auch
dieselben Bezugszeichen verwendet wurden. Die bereits
erwähnten Vorteile und die Funktionsweise der Vorrichtung
können analog auf die Vorrichtung nach der Fig. 3
übertragen werden.The device is analogous to that in
Die beschriebene Vorrichtung kann selbstverständlich auch bei zweiachsigen Transfersystemen eingesetzt werden, falls dies erforderlich ist.The device described can of course can also be used with biaxial transfer systems, if necessary.
Claims (6)
- Apparatus for transferring workpieces through a series of processing stations of a press, of a simulator, or of a processing or setting machine of that kind, having two parallel transporting rails (2) which are spaced apart from one another and, with the aid of motors (5, 12, 13), can be moved horizontally in their longitudinal direction, vertically up and down and horizontally towards one another, it being the case that each individual transporting rail (2) is articulated in each case by means of a coupling rod (14) for movement horizontally in its longitudinal direction, and there being provided crossmembers (7), of which each is operatively connected to a transporting rail (2) in each case, by at least one of the coupling rods (14), and it being possible for the crossmembers (7) to be moved by an additional transverse drive (9), characterized in that the additional transverse drive is driven synchronously with the drive motors (12) for moving the transporting rails (2) horizontally towards one another.
- Apparatus according to Claim 1, characterized in that the additional transverse drive (9) drives a torque-transmission device (11), which moves the crossmembers (7).
- Apparatus according to Claim 2, characterized in that the torque-transmission device is designed as a belt, preferably as a toothed belt (11).
- Apparatus according to Claim 2, characterized in that the torque-transmission device (11) is designed as a chain drive.
- Apparatus according to Claim 2, characterized in that the torque-transmission device (11) is designed as a spindle drive.
- Apparatus according to Claim 2, characterized in that the torque-transmission device (11) is designed as a rack drive.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19506078 | 1995-02-22 | ||
| DE19506078A DE19506078A1 (en) | 1995-02-22 | 1995-02-22 | Device for transferring workpieces through a series of processing stations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0728543A1 EP0728543A1 (en) | 1996-08-28 |
| EP0728543B1 true EP0728543B1 (en) | 1999-01-20 |
Family
ID=7754703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96102235A Expired - Lifetime EP0728543B1 (en) | 1995-02-22 | 1996-02-15 | Device for transferring workpieces between processing stations |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5802967A (en) |
| EP (1) | EP0728543B1 (en) |
| CZ (1) | CZ285528B6 (en) |
| DE (2) | DE19506078A1 (en) |
| ES (1) | ES2129900T3 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6672448B2 (en) * | 2000-03-10 | 2004-01-06 | Aida Engineering Co., Ltd. | Transfer device |
| US7290430B2 (en) * | 2002-06-17 | 2007-11-06 | Martin Hagel | Transferring device |
| DE10310941B4 (en) * | 2003-03-13 | 2005-06-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for transporting workpieces |
| US7028527B2 (en) * | 2003-03-18 | 2006-04-18 | Aida Engineering Ltd. | Workpiece processing system and method of reconfiguring a workpiece processing system |
| US6792787B1 (en) * | 2003-03-27 | 2004-09-21 | Hms Products, Co. | Press transfer having a clutch drive disconnect |
| BR0305689A (en) * | 2003-04-27 | 2005-05-17 | Luciano Trindade De Sousa Mont | Modular transfer with orthogonal flow direction rotation |
| DE102004005046B4 (en) | 2004-01-30 | 2008-01-24 | Müller Weingarten AG | Transport device for workpieces in presses |
| JP2006021235A (en) * | 2004-07-09 | 2006-01-26 | Komatsu Ltd | Device for conveying workpiece for press |
| US20070062243A1 (en) * | 2005-09-19 | 2007-03-22 | Childs Montgomery W | Support assembly for workpiece transfer system |
| DE102005052955A1 (en) * | 2005-11-03 | 2007-05-16 | Destaco Europe Gmbh | transport device |
| DE102007009747B4 (en) | 2007-02-28 | 2009-01-29 | Siemens Ag | transfer system |
| US20090126545A1 (en) * | 2007-11-15 | 2009-05-21 | Advanced Foundry Specialist, Llc | Automated trim press and shuttle system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785657A (en) * | 1985-05-17 | 1988-11-22 | Connell Limited Partnership | Transfer feed mechanism for power presses |
| DE4309643C2 (en) * | 1993-03-25 | 2002-06-13 | Schuler Pressen Gmbh & Co | Transfer device for workpiece transport |
| DE4309642B4 (en) * | 1993-03-25 | 2004-03-25 | Schuler Pressen Gmbh & Co. Kg | Transfer device for workpiece transport |
| DE4310057A1 (en) * | 1993-03-27 | 1994-09-29 | Schuler Gmbh L | Device for transferring workpieces through a series of work stations |
| EP0647488A1 (en) * | 1993-10-04 | 1995-04-12 | L. SCHULER GmbH | Press, multistage press or the like forming machine |
-
1995
- 1995-02-22 DE DE19506078A patent/DE19506078A1/en not_active Withdrawn
-
1996
- 1996-02-15 ES ES96102235T patent/ES2129900T3/en not_active Expired - Lifetime
- 1996-02-15 EP EP96102235A patent/EP0728543B1/en not_active Expired - Lifetime
- 1996-02-15 DE DE59601162T patent/DE59601162D1/en not_active Expired - Fee Related
- 1996-02-20 CZ CZ96503A patent/CZ285528B6/en not_active IP Right Cessation
- 1996-02-22 US US08/605,630 patent/US5802967A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2129900T3 (en) | 1999-06-16 |
| EP0728543A1 (en) | 1996-08-28 |
| CZ50396A3 (en) | 1996-12-11 |
| DE19506078A1 (en) | 1996-08-29 |
| US5802967A (en) | 1998-09-08 |
| DE59601162D1 (en) | 1999-03-04 |
| CZ285528B6 (en) | 1999-08-11 |
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