EP0728544B1 - Device for transferring workpieces between processing stations - Google Patents
Device for transferring workpieces between processing stations Download PDFInfo
- Publication number
- EP0728544B1 EP0728544B1 EP96102238A EP96102238A EP0728544B1 EP 0728544 B1 EP0728544 B1 EP 0728544B1 EP 96102238 A EP96102238 A EP 96102238A EP 96102238 A EP96102238 A EP 96102238A EP 0728544 B1 EP0728544 B1 EP 0728544B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- case
- double
- articulation
- link
- 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
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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
Definitions
- the invention relates to a device for transferring workpieces through a Sequence of processing stations of a press, a simulator or the like or set-up machine according to the one defined in the preamble of claim 1 Art.
- Such transfer devices are used in presses, step presses, press lines, but also in simulators for moving workpieces, in the latter application used to set up a press.
- DE-A1- 43 10 057 describes a device for transferring workpieces known by a sequence of processing stations in which the motion drive the longitudinal extent of transport rails is carried out by at least one motor, which acts by means of a gear on a gearwheel that is aligned in the longitudinal direction the transport rail extending rack cooperates, being on the rack a tap point is formed in an area remote from the transport rails, in which is coupled to a coupling rod with one end part, the other end part to the Transport rail is articulated.
- the drive devices can be used for the individual directions of movement
- the transport rails are made by motors that are clock-dependent Synchronous operation are electrically coupled together.
- the additional transverse drives to be provided which are synchronized with that in a lock case the drive motor arranged for the horizontal movement of the transport rails act, include canting of the crossbar in its guide rails out.
- the drive devices can not simple coupling links, such as rods, connected to the transport rails become. Unbalanced movements lead to a wrong one, from the transfer movement predefined storage or removal position for the workpieces and tilting and tensioning of the coupling and guiding means.
- the present invention relates to a device for transferring workpieces according to the preamble of claim 1 based on the problem avoid that arise when the transport rails move on one in one vertical level circular orbit.
- 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 Kind attached, e.g. B. 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.
- the longitudinal movements of the transport rails 2 are from Drive devices 5, which carriage 6 move that in linear guides parallel to the direction of flow are movable.
- the cross members 7 are in linear guides 8 stored.
- the trusses 7 are of an additional Transverse drive 9 synchronized with the movement of the Transport rails 2 moved.
- FIG. 1 A connection between the trusses 7 and the Transport rails 2 are carried out schematically in FIG. 1 shown compensation guides 10, which in Figures 2 and 3 are shown in more detail.
- Each Compensating guide has two struts 11, 12, which on the one hand on the truss side, i.e. on the the traverse 7 facing side, via an upper Articulation point 15 and a lower articulation point 16 with the traverse 7 and on the other hand via articulation points 17, 18 with a triangular double-armed Tab 13 are hinged, as in Fig. 2nd and 3.
- FIGs. 4 and 5 A second embodiment of a compensation guide is shown in Figs. 4 and 5. Already in connection with the description of the previous Reference numerals introduced in the figures are intended below can be used for the same components.
- a straight tab 20 is used, on the The struts each end at the articulation points 17, 18 11 and 12 are articulated, while the Transport rails 2 facing ends of the struts 11th and 12 via the upper articulation point 15 and the lower one Articulation point 16 with the crossbar 7 articulated are.
- the straight tab 20 itself is centered over the third Articulation point 19 with the transport rail 2 articulated connected.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Chain Conveyers (AREA)
- Reciprocating Conveyors (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Framework For Endless Conveyors (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Transfer von Werkstücken durch eine Folge von Bearbeitungsstationen einer Presse, eines Simulators oder dergleichen Bearbeitungs- oder Einrichtmaschine nach der im Oberbegriff des Anspruchs 1 näher definierten Art.The invention relates to a device for transferring workpieces through a Sequence of processing stations of a press, a simulator or the like or set-up machine according to the one defined in the preamble of claim 1 Art.
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 application used to set 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 in two or three axes required.
Aus der DE-A1- 43 10 057 ist eine Vorrichtung zum Transfer von Werkstücken durch eine Folge von Bearbeitungsstationen bekannt, bei welcher der Bewegungsantrieb von Transportschienen in ihrer Längserstreckung durch zumindest einen Motor erfolgt, der vermittels eines Getriebes auf ein Zahnrad wirkt, das mit einer sich in Längsrichtung der Transportschiene erstreckenden Zahnstange zusammenwirkt, wobei an der Zahnstange 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.DE-A1- 43 10 057 describes a device for transferring workpieces known by a sequence of processing stations in which the motion drive the longitudinal extent of transport rails is carried out by at least one motor, which acts by means of a gear on a gearwheel that is aligned in the longitudinal direction the transport rail extending rack cooperates, being on the rack a tap point is formed in an area remote from the transport rails, in which is coupled to a coupling rod with one end part, the other end part to the Transport rail is articulated.
Während die Antriebseinheiten für den Bewegungsantrieb in Längserstreckung der Transportschienen auf horizontal und quer zur Längserstreckung der Transportschienen verfahrbaren Gestellen angeordnet sind, um horizontale Kreisbewegungen um den Angriffspunkt der Kuppelstangen zu vermeiden, bewirken die Hebe- und Senkbewegungen der Transportschienen eine vertikale kreisbogenförmige Bewegung der Kuppelstangen um die Angriffspunkte. Weiterhin ist die Verwendung von auf jeweils ein Umlenkrad wirkenden Zahnriemen vorgesehen, wobei das Umlenkrad mit einem sich in Längserstreckung der Transportschiene erstreckenden Zahnriemen zusammenwirkt. While the drive units for the movement drive in the longitudinal extension of the Transport rails on horizontal and transverse to the longitudinal extension of the transport rails Movable frames are arranged to make horizontal circular movements around the point of attack avoiding the coupling rods causes the lifting and lowering movements the transport rails a vertical circular arc movement of the coupling rods around the points of attack. Furthermore, the use of a deflection wheel acting toothed belt provided, the deflection wheel with a extending in the longitudinal direction the toothed belt extending together cooperates.
Bei modernen Pressen können die Antriebseinrichtungen für die einzelnen Bewegungsrichtungen der Transportschienen durch Motore erfolgen, die für einen taktabhängigen Synchronlauf elektrisch miteinander gekoppelt sind.In modern presses, the drive devices can be used for the individual directions of movement The transport rails are made by motors that are clock-dependent Synchronous operation are electrically coupled together.
Die zusätzlich vorzusehenden Querantriebe, die synchron mit dem in einem Schließkasten der Presse angeordneten Antriebsmotor für die Horizontalbewegung der Transportschienen wirken, schließen ein Verkanten der Quertraverse in ihren Führungsschienen aus.The additional transverse drives to be provided, which are synchronized with that in a lock case the drive motor arranged for the horizontal movement of the transport rails act, include canting of the crossbar in its guide rails out.
Da die Transportschienen in der horizontalen Ebene der Transferbewegung und in der Hebe-Senkrichtung bewegt werden, können die Antriebseinrichtungen nicht über einfache Koppelglieder, wie beispielsweise Stangen, mit den Transportschienen verbunden werden. Nicht ausgeglichene Bewegungen führen zu einer falschen, von der Transferbewegung vorgegebenen Ablage- bzw. Entnahmeposition für die Werkstücke und zu einem Verkanten und Verspannen der Koppel- und Führungsmittel.Since the transport rails in the horizontal plane of the transfer movement and in the lifting and lowering direction can be moved, the drive devices can not simple coupling links, such as rods, connected to the transport rails become. Unbalanced movements lead to a wrong one, from the transfer movement predefined storage or removal position for the workpieces and tilting and tensioning of the coupling and guiding means.
Der vorliegenden Erfindung liegt bei einer Vorrichtung zum Transfer von Werkstücken nach dem Oberbegriff des Anspruchs 1 die Aufgabe zugrunde, die Probleme zu vermeiden, die entstehen bei einer Bewegung der Transportschienen auf einer in einer vertikalen Ebene liegenden Kreisbahn.The present invention relates to a device for transferring workpieces according to the preamble of claim 1 based on the problem avoid that arise when the transport rails move on one in one vertical level circular orbit.
Erfindungsgemäß wird diese Aufgabe durch die im Anspruch 1 genannten Merkmale gelöst. According to the invention, this object is achieved by the claim 1 mentioned features solved.
Durch das Vorsehen einer derartigen Ausgleichsführung kann auf einfache Art und Weise eine Verbindung zwischen den Transportschienen und den auf der Traverse angeordneten Motoren für die Horizontalbewegung der Transportschienen hergestellt werden, so daß ein einwandfreier und problemloser Betrieb der Transportschienen sichergestellt ist.By providing such a compensation guide can easily connect between the transport rails and the one on the crossbar arranged motors for the horizontal movement of the Transport rails are made so that a flawless and trouble-free operation of the transport rails is ensured.
Die Bewegung der Transportschienen auf einer Kreisbahn bei einer Bewegung der Transportschienen gleichzeitig in zwei Achsenrichtungen wird durch die beschriebene Anordnung ausgeglichen, so daß ein Verkanten oder Verspannen der Transportschienen ausgeschlossen ist.The movement of the transport rails on a circular path when the transport rails move at the same time in two axis directions is described by the Arrangement balanced, so that tilting or bracing the transport rails are excluded.
Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und dem nachfolgend anhand der Zeichnung prinzipmäßig beschriebenen Ausführungsbeispiel.Advantageous refinements and developments of Invention result from the dependent claims and the described in principle below with reference to the drawing Embodiment.
Es zeigt:
- Fig. 1
- in dreidimensionaler Ansicht eine Presse, die mit der erfindungsgemäßen Vorrichtung versehen ist,
- Fig. 2
- eine Seitenansicht eines ersten Ausführungsbeispiels einer Ausgleichsführung,
- Fig. 3
- eine Draufsicht auf die Ausgleichsführung der Fig. 2,
- Fig. 4
- eine Seitenansicht eines zweiten Ausführungsbeispiels einer Ausgleichsführung, und
- Fig. 5
- eine Draufsicht auf die Ausgleichsführung der Fig. 4.
- Fig. 1
- a three-dimensional view of a press which is provided with the device according to the invention,
- Fig. 2
- 2 shows a side view of a first exemplary embodiment of a compensating guide,
- Fig. 3
- 2 shows a plan view of the compensating guide in FIG. 2,
- Fig. 4
- a side view of a second embodiment of a compensation guide, and
- Fig. 5
- 4 shows a plan view of the compensation guide of FIG. 4.
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 simulator
1, which
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.In lock boxes 4 of the press 1 there are drive devices
for movements of the
Die Längsbewegungen der Transportschienen 2 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 nachfolgend beschriebene
Einrichtungen mit den Transportschienen 2 verbunden
sind.On the
Die Traversen 7 sind hierbei in Linearführungen 8
gelagert. Die Traversen 7 werden von einem zusätzlichen
Querantrieb 9 synchron zu der Bewegung der
Transportschienen 2 bewegt. The
Eine Verbindung zwischen den Traversen 7 und den
Transportschienen 2 erfolgt über in der Fig. 1 schematisch
dargestellte Ausgleichsführungen 10, welche in
den Figuren 2 und 3 näher dargestellt sind. Jede einzelne
Ausgleichsführung weist zwei Streben 11, 12 auf,
welche jeweils einerseits traversenseitig, also an der
der Traverse 7 zugewandten Seite, über einen oberen
Anlenkpunkt 15 und einen unteren Anlenkpunkt 16 mit
der Traverse 7 und andererseits über Anlenkpunkte 17,
18 mit einer dreiecksförmig ausgeführten doppelarmigen
Lasche 13 gelenkig verbunden sind, wie in den Fig. 2
und 3 dargestellt.A connection between the
Die doppelarmige Lasche 13 wiederum ist an einem Ende
mit einem dritten Anlenkpunkt 19 versehen und über
einen Bolzen 14 gelenkig mit der Transportschiene 2
verbunden.The double-
Durch die beschriebene Anordnung ist eine Ausgleichsführung
realisiert, mittels welcher ein Verkanten oder
Verspannen der Transportschienen 2 und/oder der Traverse
7 vermieden wird.The arrangement described is a compensation guide
realized by means of which tilting or
Bracing the
In dem vorliegenden Ausführungsbeispiel ist vorgesehen,
daß an jeder einzelnen Transportschiene 2 seitlich
jeweils eine doppelarmige Lasche 13 vorgesehen
ist.In the present exemplary embodiment,
that on each
Es ist jedoch selbstverständlich auch möglich, jeweils
nur eine doppelarmige Lasche 13 mit den entsprechenden
Streben 11, 12 pro Transportschiene 2 vorzusehen.However, it is of course also possible, each time
only a double-
Ein zweites Ausführungsbeispiel einer Ausgleichsführung ist in den Fig. 4 und 5 dargestellt. Bereits in Zusammenhang mit der Beschreibung der vorhergehenden Figuren eingeführte Bezugszeichen sollen nachfolgend für dieselben Bauteile verwendet werden.A second embodiment of a compensation guide is shown in Figs. 4 and 5. Already in connection with the description of the previous Reference numerals introduced in the figures are intended below can be used for the same components.
Anstatt einer dreiecksförmig ausgeführten Lasche wird
hierbei eine gerade Lasche 20 verwendet, an deren
Enden in den Anlenkpunkten 17, 18 jeweils die Streben
11 und 12 gelenkig gelagert sind, während die den
Transportschienen 2 abgewandten Enden der Streben 11
und 12 über den oberen Anlenkpunkt 15 und den unteren
Anlenkpunkt 16 mit der Traverse 7 gelenkig verbunden
sind.Instead of a triangular-shaped tab
here a
Die gerade Lasche 20 selbst ist mittig über den dritten
Anlenkpunkt 19 mit der Transportschiene 2 gelenkig
verbunden.The
Es soll noch darauf hingewiesen werden, daß die Streben
11, 12 sich überkreuzend angeordnet sind, d.h. die
Strebe 11 ist einerseits mit dem obenliegenden Anlenkpunkt
17 der geraden Lasche 20 und andererseits mit
dem unteren Anlenkpunkt 16 an der Traverse 7 verbunden,
während die andere Strebe 12 an dem untenliegenden
Anlenkpunkt 18 der Lasche 20 und an dem oberen Anlenkpunkt
15 der Traverse 7 angelenkt ist.It should be noted that the
Auch mit der in dem zweiten Ausführungsbeispiel beschriebenen Anordnung kann auf einfache Weise die Bewegung der Transportschienen auf einer Geraden bzw. linear realisiert werden, wobei ein Verspannen oder Verkanten der Transportschienen jedoch ausgeschlossen ist.Also with that described in the second embodiment Arrangement can easily move the transport rails on a straight line or be realized linearly, with a bracing or Tilting of the transport rails is excluded is.
Claims (3)
- Apparatus for transferring workpieces through a series of processing stations of a press, simulator or similar processing or setting machine, having two transporting rails (2) which are spaced apart parallel to one another and, with the aid of motors, can be moved horizontally in the longitudinal direction, vertically up and down and, if appropriate, horizontally towards one another, the motors being arranged on a crossmember (7) in each case, and the transporting rails (2) each being articulated on the crossmember (7), characterized in that a compensation guide (10) is provided, for the horizontal movement of the transporting rails (2) in the through-passage direction, between each of the transporting rails (2) and the motor (5) arranged on the associated crossmember (7), the compensation guide having at least two struts (11, 12) and a double-armed link (13, 20) with three points of articulation (17, 18, 19) which allow articulation movements about an axis aligned transversely to the through-passage direction of the transporting rails (2) and transversely to the vertical, it being the case that each of the struts (11, 12), on the crossmember side, is mounted in an articulated manner, at a vertical spacing from the other, at in each case one point of articulation (15, 16), it being the case that the other ends of the struts (11, 12) are spaced apart from one another in each case at one of the points of articulation (17, 18) of the double-armed link (13, 20) in a vertical plane running parallel to the longitudinal directions of the transporting rails (2), and it being the case that the third point of articulation (19) of the double-armed link (13, 20) is provided in an articulated manner on the transporting rail (2).
- Apparatus according to Claim 1, characterized in that the double-armed link is designed as a triangular link (13).
- Apparatus according to Claim 1, characterized in that the double-armed link is designed as a rectilinear link (20).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19506077 | 1995-02-22 | ||
| DE19506077A DE19506077A1 (en) | 1995-02-22 | 1995-02-22 | Device for transferring workpieces through a series of processing stations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0728544A1 EP0728544A1 (en) | 1996-08-28 |
| EP0728544B1 true EP0728544B1 (en) | 2000-05-03 |
Family
ID=7754702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96102238A Expired - Lifetime EP0728544B1 (en) | 1995-02-22 | 1996-02-15 | Device for transferring workpieces between processing stations |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5690026A (en) |
| EP (1) | EP0728544B1 (en) |
| CZ (1) | CZ285547B6 (en) |
| DE (2) | DE19506077A1 (en) |
| ES (1) | ES2146801T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3773405B2 (en) * | 2000-09-29 | 2006-05-10 | アイダエンジニアリング株式会社 | Transfer device |
| JP2004243395A (en) * | 2003-02-17 | 2004-09-02 | Komatsu Aatec Kk | Feeding device of transfer press |
| JP2006021235A (en) * | 2004-07-09 | 2006-01-26 | Komatsu Ltd | Device for conveying workpiece for press |
| US20090126545A1 (en) * | 2007-11-15 | 2009-05-21 | Advanced Foundry Specialist, Llc | Automated trim press and shuttle system |
| US7971468B2 (en) * | 2008-07-23 | 2011-07-05 | Hms Products Co. | Part transfer system and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3754667A (en) * | 1972-01-07 | 1973-08-28 | R Storch | Transfer mechanism |
| JPH0225956Y2 (en) * | 1984-10-23 | 1990-07-16 | ||
| DE3721694A1 (en) * | 1987-07-01 | 1989-01-12 | Eumuco Ag Fuer Maschinenbau | CONTROL DEVICE FOR THE LIFTING BAR AUTOMATIC OF A FORGING PRESS |
| DE4309643C2 (en) * | 1993-03-25 | 2002-06-13 | Schuler Pressen Gmbh & Co | 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 DE19506077A patent/DE19506077A1/en not_active Withdrawn
-
1996
- 1996-02-15 EP EP96102238A patent/EP0728544B1/en not_active Expired - Lifetime
- 1996-02-15 DE DE59605085T patent/DE59605085D1/en not_active Expired - Fee Related
- 1996-02-15 ES ES96102238T patent/ES2146801T3/en not_active Expired - Lifetime
- 1996-02-20 CZ CZ96502A patent/CZ285547B6/en not_active IP Right Cessation
- 1996-02-22 US US08/605,663 patent/US5690026A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0728544A1 (en) | 1996-08-28 |
| CZ50296A3 (en) | 1996-12-11 |
| CZ285547B6 (en) | 1999-09-15 |
| DE59605085D1 (en) | 2000-06-08 |
| DE19506077A1 (en) | 1996-08-29 |
| US5690026A (en) | 1997-11-25 |
| ES2146801T3 (en) | 2000-08-16 |
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