EP1410858B1 - Press or punching machine - Google Patents

Press or punching machine Download PDF

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Publication number
EP1410858B1
EP1410858B1 EP03020794A EP03020794A EP1410858B1 EP 1410858 B1 EP1410858 B1 EP 1410858B1 EP 03020794 A EP03020794 A EP 03020794A EP 03020794 A EP03020794 A EP 03020794A EP 1410858 B1 EP1410858 B1 EP 1410858B1
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EP
European Patent Office
Prior art keywords
press
punch according
guide
drive
ram
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
Application number
EP03020794A
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German (de)
French (fr)
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EP1410858A1 (en
Inventor
Jürgen Hennig
Dieter Schönherr
Jürgen HAUSER
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Andritz Technology and Asset Management GmbH
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Andritz Technology and Asset Management GmbH
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Priority to SI200331035T priority Critical patent/SI1410858T1/en
Publication of EP1410858A1 publication Critical patent/EP1410858A1/en
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Publication of EP1410858B1 publication Critical patent/EP1410858B1/en
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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
    • 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 present invention relates to a press or punch with a press frame having at least two spaced apart press frame sections between which a press ram is movably arranged to perform a pressing operation, the press ram having at least two press sections, and a device for transferring workpieces between the pressing areas and the device has a holding device preferably designed as a gripping device for the workpieces and at least one drive means for moving the holding device, wherein the drive means comprises at least one magnetic linear drive.
  • Such a press is for example from the DE 195 06 079 A1 known.
  • This document describes a device for transferring workpieces through a sequence of processing stations of a press, wherein the device has a holding device for gripping the workpieces.
  • the holding device can be moved by means of a magnetic linear motor principle.
  • the press described in this publication has a press frame with two spaced-apart columns, between which a press ram, which has a plurality of pressing regions, is arranged to be movable in order to carry out a pressing operation.
  • the object of the invention is to improve a press or punch of the type mentioned, in particular to allow better utilization of the space between the columns of the press, so that larger pressing areas are available with unchanged dimensions of the press or the press can be made more compact ,
  • the object is achieved by a press or punch with a press frame of the type mentioned, in which at least one of the drive means is arranged at least partially on the side facing away from the press ram side of the press frame sections.
  • This solution has the advantage that a larger space for the pressing areas is available and the press can be made more compact.
  • a plurality of drive means may be provided. In this way, the mobility of the holding device can be increased in the tool installation space.
  • the magnetic linear drives of the drive devices each have a primary part with a motor slide and a guide device for the primary part, the operating devices can be made even more compact.
  • the guide device is designed as a guide rail. With such an arrangement, an even more compact construction of the press is possible.
  • the guide device has a secondary part of the linear drive, as this can make the press even more compact.
  • the holding device can be moved in the stroke direction of the press ram with at least one of the drive devices, an easier further transport of workpieces within the press is possible.
  • the holding device is movable transversely to the stroke direction of the press ram. In this way, the transfer of workpieces can be further improved.
  • the holding device is movable transversely to an imaginary line connecting the press frame sections with at least one of the drive devices. As a result, an even easier transport of the workpiece can be ensured.
  • the guide devices extend along the respective associated direction of movement of the holding device. Then the press can be made even more compact.
  • the motor carriages of one linear drive can be connected to the guide carriages of the other linear drive, whereby no intermediate gears are required and an even more compact construction is possible.
  • the guide means of the linear drive, with which the holding device is movable in the stroke direction, is mounted on the press frame. This makes the design even more compact.
  • the press or punch has an acting in the stroke direction of the press ram support means which supports the associated linear drive. As a result, large forces can be overcome in both directions of movement with the linear drive.
  • the support device is operated pneumatically. In this way, it is possible to cost comparatively large forces to cope with a relatively small linear drive.
  • the support means comprises at least one bellows cylinder. In this way it is also possible to make the press even more compact.
  • the drive means with respect to the axis transversely to the imaginary connecting line between the press frame sections and the Axis are constructed identically in the stroke direction of the press ram, since thereby the production costs can be further reduced.
  • the drive means are arranged transversely to the connecting line between the press frame sections and / or the drive means in the stroke direction of the press ram above the plane of the holding device. In this way, the space below the holding devices can be flexibly utilized (e.g., parts removal, etc.).
  • the drive devices can be arranged in the direction of the connecting line between the press frame sections in the plane of the holding device.
  • the snowmobile can also be held in its position when de-energized.
  • the braking device has a clamping device, since this can contribute to an emergency shutdown for fast stopping of the snowmobile.
  • cross members extending transversely to the stroke direction can be arranged on the carriage in the stroke direction of the press ram, whereby a large distance between the holding devices (for large workpieces) is possible.
  • the guide means are formed with the associated motor slide as sliding guides. In this way, an even higher guide stiffness for the snowmobile is possible.
  • the guide means are formed with the associated motor slide as Wälz Entryen. As a result, the guide stiffness for the snowmobile can be further increased.
  • the holding device is formed by two guide rails which can be spaced apart from each other and can be moved towards each other. This can be easily formed a gripping device.
  • the holding device can be formed by the guide rails extending in a direction transverse to the stroke direction of the press ram and between the two press frame sections. In this way, an even more compact design of the press is possible.
  • the gripping device is formed by the guide devices designed as gripping rails of the linear drives extending in a direction transverse to the lifting axis between the two press frame sections. This makes the press even more compact.
  • the holding device is arranged in a raised position of the press ram between the press ram and a table top, as this makes an even more compact design is possible.
  • the holding device has a plurality of gripping portions which are movable toward each other. This allows the workpieces to be held in multiple positions.
  • the press frame sections have openings and the drive device of the holding device protrudes through the openings in the press frame sections.
  • the construction can be made even more compact.
  • the motor slide is connected via a coupling device with the guide rail. In this way, an improved protection of the holding device from damage is possible.
  • a guide carriage is firmly connected to the guide rail, since thereby the rigidity is further increased.
  • the guide carriage can then serve as an adapter for the guide rail to allow adaptation to the respective installation situation.
  • the coupling device has a spherical element and the spherical element is movably received in a receiving device of the motor carriage or the guide carriage and is arranged under bias against the receiving device of the respective associated motor slide or guide carriage.
  • the coupling device can be designed as an overload protection, which separates the guide carriage from the snowmobile when the workpieces grip too high and thus better protects the holding device against damage.
  • FIG. 1 shows a front view of a press 1 according to the invention.
  • the axial directions are described at the lower edge of the picture.
  • the axis in the stroke direction of a press ram. 5 is hereinafter referred to as Z-axis.
  • the axis transverse to the stroke direction of the press ram 5 and transversely to the imaginary connection length between the press frame sections 3, 4 is hereinafter referred to as Y-axis.
  • the axis parallel to the imaginary connecting line between the press frame sections 3, 4 is referred to below as the X-axis.
  • the press 1 has a press frame 2 with a right and a left press frame section 3, 4. Between the two press frame sections 3, 4 is the press ram 5 with a pressing region 6. Usually, a press 1 according to the invention has a plurality of pressing regions 6. Furthermore, the press 1 on a table top 32.
  • a drive device 7 On the right press frame section 3 is a drive device 7, which has a Z-motor slide 13, a Z linear motor, consisting of primary part 15 and secondary part 16 and a linear drive, not shown, in the X direction.
  • guide means 9 and 10 are mounted on the press frame section 3. Furthermore, a cross member 19 is shown. The right press frame section 3 with its attachments is explained in more detail in FIG.
  • the left press frame section 4 which is explained in more detail in Figure 3, is constructed almost mirror-inverted to the right press frame section 3.
  • the left press frame section 4 has a drive unit 8, guide devices 11, 12, a motor carriage in the Z direction 14, a Z linear motor, comprising a primary part 17 and a secondary part 18. Furthermore, a cross member 20 is shown.
  • the left drive unit 8 does not have a linear drive in the X direction.
  • linear drives can also be installed in the drive unit 8. A gripper rail is then moved by 2x linear drives. This would then double the driving force and a higher dynamics available.
  • openings 21, 22 are mounted, which are located above the table top 32.
  • the opening 21 simultaneously forms a tape inlet 31.
  • gripper rails 29, 30 are shown, which are formed by drive rails 23, 24, middle rails 25, 26 and guide rails 27, 28.
  • the drive rails 23, 24 project through the right opening 21 and the guide rails 27 and 28 through the left opening 22.
  • the gripper rails 29, 30 are arranged between press ram 5 and table top 32 and extend in the X direction.
  • the drive device 7, 8 and the associated parts are located on a side 33 facing away from the press ram 5.
  • a device for transferring workpieces has drive devices 7 and 8 and a holding device which holds the gripper rails 29, 30 having.
  • FIG. 2 is an enlarged view of the right side of the press of Figure 1.
  • a Y-motor slide 34 with a primary part 35 and a secondary part 36, which on the press ram 5 facing Side of the Z-motor carriage 13 attached.
  • a second Y-motor carriage 37 with a primary part 38 and a secondary part 39 on the side facing away from the press ram 5 side of the Z-motor carriage 13 is arranged.
  • the Z-motor slide 13 carries at its lower end already shown in Figure 1, transverse to the stroke direction of the press ram 5 extending cross member 19, which forms the basis for the Y-motor slide 34, 37.
  • On the cross member 19 is on the press ram 5 facing side of the Y-motor slide 34, on the side facing away from the press ram 5 side of the Y-motor slide 37 and on the table top 32 side facing the guide slide 40, 41, wherein the guide slide 40, 41 firmly connected to the drive rails 23, 24 are connected.
  • the drive rails 23, 24 move in the guide carriage 40, 41 in the X direction.
  • a coupling device 42 which couples the Y-motor carriage 34 with the guide carriage 40, 41.
  • the coupling device 42 consists of a receiving device 43 in the Y-motor slide 34, a receiving device 44 in the guide carriage 40, 41 and a ball 45th
  • the ball 45 is movably received in the receiving device 44 in the guide carriage 40, 41. It is also conceivable that the ball 45 is movably received in the receiving device 43 in the Y-motor slide 34.
  • the ball 45 is under bias z. B. by a spring, not shown, of the respectively associated Y-motor slide 34 or the guide carriage 40, 41 are arranged.
  • FIG. 3 shows an enlarged view of the left-hand side of FIG. 1.
  • this side has a Y-motor slide 46 with a primary part 47 and a secondary part 48 on the right-hand side, analogous to the right-hand side illustrated in FIG the press ram 5 facing side of the motor carriage 4, a second motor slide 49 with a primary part 50 and a secondary part 51 on the press ram 5 opposite side of the Z-motor carriage 14 and guide carriage 52, 53.
  • the coupling device 42 consisting of the receptacle 43 in the Y-motor slide 46, the receptacle 44 in the guide carriage 52, 53 and the ball 45 is also formed here.
  • Figure 4 shows a side view of the press 1 of Figure 1.
  • a support means 58 which is formed by a pneumatic counterbalance in the upper part of the press 1.
  • the pneumatic counterbalance has four bellows cylinder 59, of which due perspective, however, only two are visible.
  • guides 54, 55, 60, 61 for the cross members 19, 20 are shown.
  • a primary part 56 and secondary part 57 for an X-linear drive and a primary part 62 and secondary part 63 for another X-linear drive are clearly visible.
  • FIG. 5 shows a schematic illustration of the press from FIG. 1.
  • the gripper rails 29 and 30, which extend in the X1 direction, X2 direction, Y1 and Y2 direction or in Y3 and Y4 direction and in Z1 direction move and Z2 direction, to recognize well.
  • the gripper rails 29, 30 can be used to hold workpieces z. B. grippers or suckers.
  • the press ram 5 moves between the press frame sections 3, 4. Between the press ram 5 and the table top 32 are the Gripper rails 29 and 30.
  • the gripper rails 29, 30 can not shown holder z. As grippers or suckers for holding workpieces, not shown.
  • the gripper rails 29, 30 are moved in the X, Y and Z directions by the drive units 7, 8, which are arranged above the gripper rails 29, 30.
  • the X-linear drives with the primary parts 56, 62 and the secondary parts 57, 63 are located in the drive unit 7. No X-linear drives are mounted in the drive unit 8.
  • Each Y-motor slide 34, 37, 46, 49 is connected to the associated guide carriage 40, 41, 52, 53 by a coupling device 42. Occur when gripping the workpieces on high forces, the ball slips 45, the biased z. B. is arranged by a spring, not shown, from the receiving means 43, 44, whereby the guide carriage 40, 41, 52, 53 separated from the motor slide 34, 37, 46, 49.
  • the coupling device 42 is thus designed as an overload protection, the guide slides 40, 41, 52, 53 separated from the motor slide 34, 37, 46, 49 at too high forces when gripping the workpieces. In this way, damage to the press 1 can be effectively prevented.
  • the primary parts 38, 35, 50, 47 are attached to the motor carriages 34, 37, 46, 49.
  • the secondary parts 39, 36, 48, 51 are attached to the cross members 19, 20.
  • the guide carriages 40, 41, 52, 53 form the basis for the X-axis.
  • the guide carriages 40, 41 carry the primary parts 56, 62 of the X-linear drives.
  • the secondary parts 57, 63 of the X-linear drives are attached to the drive rails 23, 24.
  • the gripper rails 29, 30 are rigidly coupled to the drive rails 23, 24 and the guide rails 27, 28.
  • the two drive units 7, 8 are equipped with the pneumatic counterbalance 58, which consists of four bellows cylinders 59. Furthermore, there is a brake device, not shown, which usually has clamping elements which hold the carriage in their currentless state in position on all snowmobiles.
  • the brake devices clamp mechanically via spring force and are released via auxiliary energy (hydraulics, pneumatics). In the case of an emergency shutdown, the braking devices contribute to a quick shutdown of the snowmobiles.
  • the gripper rails 29, 30 are lifted in the Z direction and moved by means of the X-linear drives in the X direction to the next pressing area. There, the gripper rails 29, 30 are lowered again to the table top 32 and moved apart, so that the workpieces rest on the lower tool part. Subsequently, the press ram 5 moves down again and presses the workpieces. Thereafter, the press ram moves back up and the workpieces are conveyed according to the above description to the next pressing area or from the press 1 z. B. removed by means of a transport device, not shown.
  • the Z-axes form the basis for the device for transferring workpieces between the pressing areas 6.
  • the Y-axes as moving axes on the Z-axes and the X-axes as moving axes on the Y-axes formed.
  • the Y-linear drives are arranged secondarily to the press frame sections 3, 4. In this case, would have in the coupling device 42 between the Y-motor carriage 34, 37, 46, 49 and the Y-guide carriage 40, 41, 52, 53 of the Z-stroke are compensated.
  • the Z and Y linear actuators are above the gripper rail plane and can be integrated into the press frame sections 3, 4. In this way, the space between the press frame sections 3, 4 can be better used and there is more space for the pressing areas available. Furthermore, the press 1 can be made more compact.
  • the forces of the X-linear drives can be transmitted directly to the gripper rails 29, 30.
  • the X-axis which has the largest travel distance in relation to the other axes, can be operated with maximum dynamics.
  • the X-guide represents a rigid clamping point with respect to the Y-axis and the Z-axis as a coupling condition for the gripper rail.
  • a short gripper rail and a rigid guide form the basis for a highly dynamic X-axis, whereby high clock rates can be achieved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Press (1) or punch comprises a press frame (2) having at least two press frame sections (3, 4) arranged a distance apart and between which a press plunger (5) is arranged for carrying out a pressing process, and a device for transferring workpieces between pressing regions (6). The device has a holding device (29, 30) for workpieces, preferably in the form of a gripping device, and at least one drive device (7, 8) for moving the holding device. The drive device has at least one magnetic linear drive. At least one of the drive devices is arranged at least in sections on the side (33) of one of the press frame sections facing away from the press plunger. Preferred Features: Several drive devices are provided.

Description

Die vorliegende Erfindung bezieht sich auf eine Presse oder Stanze mit einem Pressengestell, das zumindest zwei voneinander beabstandete Pressengestellabschnitte aufweist, zwischen denen ein Pressenstößel zum Durchführen eines Pressvorganges beweglich angeordnet ist, wobei der Pressenstößel mindestens zwei Pressbereiche aufweist, und mit einer Vorrichtung zum Transfer von Werkstücken zwischen den Pressbereichen und die Vorrichtung eine vorzugsweise als Greifeinrichtung ausgebildete Halteeinrichtung für die Werkstücke und wenigstens eine Antriebseinrichtung zum Bewegen der Halteeinrichtung aufweist, wobei die Antriebseinrichtung mindestens einen magnetischen Linearantrieb aufweist.The present invention relates to a press or punch with a press frame having at least two spaced apart press frame sections between which a press ram is movably arranged to perform a pressing operation, the press ram having at least two press sections, and a device for transferring workpieces between the pressing areas and the device has a holding device preferably designed as a gripping device for the workpieces and at least one drive means for moving the holding device, wherein the drive means comprises at least one magnetic linear drive.

Eine derartige Presse ist zum Beispiel aus der DE 195 06 079 A1 bekannt. Diese Druckschrift beschreibt eine Vorrichtung zum Transfer von Werkstücken durch eine Folge von Bearbeitungsstationen einer Presse, wobei die Vorrichtung eine Halteeinrichtung zum Greifen der Werkstücke aufweist. Die Halteeinrichtung kann mittels eines magnetischen Linearmotorenprinzips bewegt werden. Weiterhin weist die in dieser Druckschrift beschriebene Presse ein Pressengestell mit zwei voneinander beabstandeten Säulen auf, zwischen denen ein Pressenstößel, der mehrere Pressbereiche aufweist, zum Durchführen eines Pressvorganges beweglich angeordnet ist.Such a press is for example from the DE 195 06 079 A1 known. This document describes a device for transferring workpieces through a sequence of processing stations of a press, wherein the device has a holding device for gripping the workpieces. The holding device can be moved by means of a magnetic linear motor principle. Furthermore, the press described in this publication has a press frame with two spaced-apart columns, between which a press ram, which has a plurality of pressing regions, is arranged to be movable in order to carry out a pressing operation.

Bei einer derartigen Presse kann jedoch der Raum zwischen den Säulen nicht vollständig für die Pressbereiche genutzt werden, so dass der für die Pressbereiche zur Verfügung stehende Raum eingeschränkt ist.In such a press, however, the space between the pillars can not be fully utilized for the pressing portions, so that the space available for the pressing portions is restricted.

Aufgabe der Erfindung ist es, eine Presse oder Stanze der eingangs genannten Art zu verbessem, insbesondere eine bessere Ausnutzung des Raumes zwischen den Säulen der Presse zu ermöglichen, so dass größere Pressbereiche bei unveränderten Abmessungen der Presse zur Verfügung stehen oder die Presse kompakter gestaltet werden kann.The object of the invention is to improve a press or punch of the type mentioned, in particular to allow better utilization of the space between the columns of the press, so that larger pressing areas are available with unchanged dimensions of the press or the press can be made more compact ,

Die Aufgabe wird erfindungsgemäß gelöst durch eine Presse oder Stanze mit einem Pressengestell der eingangs genannten Art, bei der zumindest eine der Antriebseinrichtungen wenigstens abschnittsweise auf der dem Pressenstößel abgewandten Seite eines der Pressengestellabschnitte angeordnet ist.The object is achieved by a press or punch with a press frame of the type mentioned, in which at least one of the drive means is arranged at least partially on the side facing away from the press ram side of the press frame sections.

Diese Lösung hat den Vorteil, dass ein größerer Raum für die Pressbereiche vorhanden ist und die Presse kompakter gestaltet werden kann.This solution has the advantage that a larger space for the pressing areas is available and the press can be made more compact.

In einer bevorzugten Ausführungsform können mehrere Antriebseinrichtungen vorgesehen sein. Auf diese Weise kann die Beweglichkeit der Halteeinrichtung im Werkzeugeinbauraum erhöht werden.In a preferred embodiment, a plurality of drive means may be provided. In this way, the mobility of the holding device can be increased in the tool installation space.

Vorteilhaft kann es zudem sein, wenn die Antriebseinrichtungen an den beiden Pressengestellabschnitten angebracht sind, da dadurch eine noch bessere Raumausnutzung und somit eine noch kompaktere Bauweise der Presse ermöglicht wird.It can also be advantageous if the drive means are mounted on the two press frame sections, as this allows even better space utilization and thus an even more compact design of the press.

Wenn die magnetischen Linearantriebe der Antriebseinrichtungen jeweils ein Primärteil mit einem Motorschlitten und eine Führungseinrichtung für das Primärteil aufweisen, können die Betriebseinrichtungen noch kompakter gestaltet werden.If the magnetic linear drives of the drive devices each have a primary part with a motor slide and a guide device for the primary part, the operating devices can be made even more compact.

Von Vorteil kann es sein, wenn die Führungseinrichtung als Führungsschiene ausgebildet ist. Mit einer derartigen Anordnung ist eine noch kompaktere Bauweise der Presse möglich.It may be advantageous if the guide device is designed as a guide rail. With such an arrangement, an even more compact construction of the press is possible.

Ebenfalls kann es von Vorteil sein, wenn die Führungseinrichtung ein Sekundärteil des Linearantriebs aufweist, da dadurch die Presse noch kompakter gestaltet werden kann.It may also be advantageous if the guide device has a secondary part of the linear drive, as this can make the press even more compact.

Wenn mit wenigstens einer der Antriebseinrichtungen die Halteeinrichtung in Hubrichtung des Pressenstößels bewegbar ist, ist ein leichterer Weitertransport von Werkstücken innerhalb der Presse möglich.If the holding device can be moved in the stroke direction of the press ram with at least one of the drive devices, an easier further transport of workpieces within the press is possible.

Weiterhin kann es von Vorteil sein, wenn mit wenigstens einer der Antriebseinrichtungen die Halteeinrichtung quer zur Hubrichtung des Pressenstößels bewegbar ist. Auf diese Weise kann der Transfer von Werkstücken noch weiter verbessert werden.Furthermore, it may be advantageous if at least one of the drive means, the holding device is movable transversely to the stroke direction of the press ram. In this way, the transfer of workpieces can be further improved.

Zudem kann es sich als vorteilhaft erweisen, wenn mit wenigstens einer der Antriebseinrichtungen die Halteeinrichtung quer zu einer die Pressengestellabschnitte verbindenden gedachten Linie bewegbar ist. Dadurch kann ein noch leichterer Transport des Werkstücks gewährleistet werden.In addition, it may prove advantageous if the holding device is movable transversely to an imaginary line connecting the press frame sections with at least one of the drive devices. As a result, an even easier transport of the workpiece can be ensured.

Von Vorteil kann es sein, wenn sich die Führungseinrichtungen entlang der jeweils zugeordneten Bewegungsrichtung der Halteeinrichtung erstrecken. Dann kann die Presse noch kompakter gestaltet werden.It can be advantageous if the guide devices extend along the respective associated direction of movement of the holding device. Then the press can be made even more compact.

In einer vorteilhaften Weiterentwicklung der Erfindung können die Motorschlitten des einen Linearantriebs mit den Führungsschlitten des anderen Linearantriebs verbunden sein, wodurch keine Zwischengetriebe mehr benötigt werden und eine noch kompaktere Bauweise möglich ist.In an advantageous further development of the invention, the motor carriages of one linear drive can be connected to the guide carriages of the other linear drive, whereby no intermediate gears are required and an even more compact construction is possible.

Auch kann es sich als vorteilhaft erweisen, wenn die Führungseinrichtung des Linearantriebs, mit der die Halteeinrichtung in Hubrichtung bewegbar ist, am Pressengestell angebracht ist. Dadurch kann die Bauweise noch kompakter gestaltet werden.Also, it may prove advantageous if the guide means of the linear drive, with which the holding device is movable in the stroke direction, is mounted on the press frame. This makes the design even more compact.

Weiterhin kann es von Vorteil sein wenn die Presse oder Stanze eine in Hubrichtung des Pressenstößels wirkende Stützeinrichtung aufweist, die den zugeordneten Linearantrieb unterstützt. Dadurch können mit dem Linearantrieb große Kräfte in beiden Bewegungsrichtungen bewältigt werden.Furthermore, it may be advantageous if the press or punch has an acting in the stroke direction of the press ram support means which supports the associated linear drive. As a result, large forces can be overcome in both directions of movement with the linear drive.

Von Vorteil kann es sein, wenn die Stützeinrichtung pneumatisch betrieben wird. Auf diese Weise ist es möglich, kostengünstig vergleichsweise große Kräfte mit einem vergleichsweise kleinen Linearantrieb zu bewältigen.It may be advantageous if the support device is operated pneumatically. In this way, it is possible to cost comparatively large forces to cope with a relatively small linear drive.

Ebenfalls kann es von Vorteil sein, wenn die Stützeinrichtung mindestens einen Balgzylinder aufweist. Auf diese Weise ist es ebenfalls möglich, die Presse noch kompakter zu gestalten.It may also be advantageous if the support means comprises at least one bellows cylinder. In this way it is also possible to make the press even more compact.

Weiterhin kann es von Vorteil sein, wenn die Antriebseinrichtungen bezüglich der Achse quer zur gedachten Verbindungslinie zwischen den Pressengestellabschnitten und der Achse in Hubrichtung des Pressenstößels identisch aufgebaut sind, da dadurch die Herstellungskosten noch weiter gesenkt werden können.Furthermore, it may be advantageous if the drive means with respect to the axis transversely to the imaginary connecting line between the press frame sections and the Axis are constructed identically in the stroke direction of the press ram, since thereby the production costs can be further reduced.

Es kann sich auch als günstig erweisen, wenn die Antriebseinrichtungen oberhalb eines Bandeinlaufes angeordnet sind. Somit ist es möglich, die Bauweise der Presse noch kompakter zu gestalten.It may also prove to be advantageous if the drive means are arranged above a band inlet. Thus, it is possible to make the design of the press even more compact.

Außerdem kann es von Vorteil sein, wenn die Antriebseinrichtungen quer zur Verbindungslinie zwischen den Pressengestellabschnitten und / oder die Antriebseinrichtungen in Hubrichtung des Pressenstößel oberhalb der Ebene der Halteeinrichtung angeordnet sind. Auf diese Weise kann der Raum unterhalb der Halteeinrichtungen flexibel genutzt werden (z.B. Teile-Abtransport usw.).In addition, it may be advantageous if the drive means are arranged transversely to the connecting line between the press frame sections and / or the drive means in the stroke direction of the press ram above the plane of the holding device. In this way, the space below the holding devices can be flexibly utilized (e.g., parts removal, etc.).

In einer vorteilhaften Weiterentwicklung der Erfindung können die Antriebseinrichtungen in Richtung der Verbindungslinie zwischen den Pressengestellabschnitten in der Ebene der Halteeinrichtung angeordnet sein.In an advantageous further development of the invention, the drive devices can be arranged in the direction of the connecting line between the press frame sections in the plane of the holding device.

Somit ist es möglich, Spiele und Verformungen (Biegungen, Kippungen) auszuschließen und die angetriebenen Achsen in höchster Dynamik zu betreiben.Thus, it is possible to exclude games and deformations (bends, tilting) and operate the driven axles in the highest dynamics.

Wenn der Motorschlitten eine Bremseinrichtung aufweist, kann der Motorschlitten auch im stromlosen Zustand in seiner Position gehalten werden.If the snowmobile has a braking device, the snowmobile can also be held in its position when de-energized.

Günstig ist es auch, wenn die Bremseinrichtung eine Klemmeinrichtung aufweist, da dadurch bei einer Notabschaltung zum schnellen Stillsetzen der Motorschlitten beigetragen werden kann.It is also favorable if the braking device has a clamping device, since this can contribute to an emergency shutdown for fast stopping of the snowmobile.

In einer bevorzugten Ausführungsform können an den Schlitten in Hubrichtung des Pressenstößels sich quer zur Hubrichtung erstreckende Querträger angeordnet sein, wodurch ein großer Abstand zwischen den Halteeinrichtungen (für große Werkstücke) möglich ist.In a preferred embodiment, cross members extending transversely to the stroke direction can be arranged on the carriage in the stroke direction of the press ram, whereby a large distance between the holding devices (for large workpieces) is possible.

Weiterhin kann es von Vorteil sein, wenn die Führungseinrichtungen mit dem zugeordneten Motorschlitten als Gleitführungen ausgebildet sind. Auf diese Weise ist eine noch höhere Führungssteifigkeit für die Motorschlitten möglich.Furthermore, it may be advantageous if the guide means are formed with the associated motor slide as sliding guides. In this way, an even higher guide stiffness for the snowmobile is possible.

Zudem kann es sich als vorteilhaft erweisen, wenn die Führungseinrichtungen mit den zugeordneten Motorschlitten als Wälzführungen ausgebildet sind. Dadurch kann die Führungssteifigkeit für die Motorschlitten noch weiter erhöht werden.In addition, it may prove advantageous if the guide means are formed with the associated motor slide as Wälzführungen. As a result, the guide stiffness for the snowmobile can be further increased.

Von Vorteil kann es sein, wenn die Halteeinrichtung durch zwei voneinander beabstandbare und aufeinander zubewegbare Führungsschienen gebildet wird. Damit kann auf einfache Weise eine Greifeinrichtung gebildet werden.It can be advantageous if the holding device is formed by two guide rails which can be spaced apart from each other and can be moved towards each other. This can be easily formed a gripping device.

In einer vorteilhaften Weiterentwicklung der Erfindung kann die Halteeinrichtung durch die sich in einer Richtung quer zur Hubrichtung des Pressenstößels und den zwischen den beiden Pressengestellabschnitten erstreckenden Führungsschienen gebildet werden. Auf diese Weise ist eine noch kompaktere Bauweise der Presse möglich.In an advantageous further development of the invention, the holding device can be formed by the guide rails extending in a direction transverse to the stroke direction of the press ram and between the two press frame sections. In this way, an even more compact design of the press is possible.

Auch kann es sich als vorteilhaft erweisen, wenn die Greifeinrichtung durch die als Greifschienen ausgebildeten Führungseinrichtungen der sich in einer Richtung quer zur Hubachse zwischen den beiden Pressengestellabschnitten erstreckenden Linearantriebe gebildet wird. Dadurch kann die Presse noch kompakter gestaltet werden.It may also prove advantageous if the gripping device is formed by the guide devices designed as gripping rails of the linear drives extending in a direction transverse to the lifting axis between the two press frame sections. This makes the press even more compact.

Vorteilhaft kann es zudem sein, wenn die Halteeinrichtung in einer angehobenen Stellung des Pressenstößels zwischen dem Pressenstößel und einer Tischplatte angeordnet ist, da dadurch eine noch kompaktere Bauweise möglich ist.It may also be advantageous if the holding device is arranged in a raised position of the press ram between the press ram and a table top, as this makes an even more compact design is possible.

Außerdem kann es sich als vorteilhaft erweisen, wenn die Halteeinrichtung mehrere Greifabschnitte aufweist, die aufeinander zubewegbar sind. Dadurch können die Werkstücke an mehreren Positionen gehaltenwerden.In addition, it may prove to be advantageous if the holding device has a plurality of gripping portions which are movable toward each other. This allows the workpieces to be held in multiple positions.

Von Vorteil kann es sein, wenn die Pressengestellabschnitte Öffnungen aufweisen und die Antriebseinrichtung der Halteeinrichtung durch die Öffnungen in den Pressengestellabschnitten hindurchragt. Somit kann die Bauweise noch kompakter gestaltet werden.It may be advantageous if the press frame sections have openings and the drive device of the holding device protrudes through the openings in the press frame sections. Thus, the construction can be made even more compact.

Ebenfalls kann es von Vorteil sein, wenn der Motorschlitten über eine Koppeleinrichtung mit der Führungsschiene verbunden ist. Auf diese Weise ist ein verbesserter Schutz der Halteeinrichtung vor Beschädigungen möglich.It may also be advantageous if the motor slide is connected via a coupling device with the guide rail. In this way, an improved protection of the holding device from damage is possible.

Weiterhin kann es von Vorteil sein, wenn ein Führungsschlitten fest mit der Führungsschiene verbunden ist, da dadurch die Steifigkeit weiter erhöht wird. Der Führungsschlitten kann dann als Adapter für die Führungsschiene dienen, um ein Anpassen an die jeweilige Einbausituation zu ermöglichen.Furthermore, it may be advantageous if a guide carriage is firmly connected to the guide rail, since thereby the rigidity is further increased. The guide carriage can then serve as an adapter for the guide rail to allow adaptation to the respective installation situation.

Es kann sich auch als günstig erweisen, wenn die Koppeleinrichtung ein kugelförmiges Element aufweist und das kugelförmige Element beweglich in einer Aufnahmeeinrichtung des Motorschlittens oder des Führungsschlittens aufgenommen ist und unter Vorspannung gegen die Aufnahmeeinrichtung des jeweils zugeordneten Motorschlittens oder Führungsschlittens angeordnet ist.It may also prove to be advantageous if the coupling device has a spherical element and the spherical element is movably received in a receiving device of the motor carriage or the guide carriage and is arranged under bias against the receiving device of the respective associated motor slide or guide carriage.

Dadurch kann die Koppeleinrichtung als Überlastsicherung ausgebildet sein, die bei zu hohen Kräften beim Greifen der Werkstücke den Führungsschlitten vom Motorschlitten trennt und damit die Halteeinrichtung noch besser vor Beschädigung schützt.As a result, the coupling device can be designed as an overload protection, which separates the guide carriage from the snowmobile when the workpieces grip too high and thus better protects the holding device against damage.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles und zugehöriger Zeichnungen näher erläutert.The invention will be explained in more detail below with reference to an embodiment and associated drawings.

Diese Zeichnungen zeigen:

Fig. 1
eine Vorderansicht der Presse,
Fig. 2
eine vergrößerte Darstellung der rechten Pressenseite von Figur 1,
Fig. 3
eine vergrößerte Darstellung der linken Pressenseite von Figur 1,
Fig. 4
eine Seitenansicht der Presse von Figur 1 und
Fig. 5
eine schematische Darstellung der Führungsschienen und Motorschlitten mit den zugehörigen Achsen der Presse aus Figur 1.
These drawings show:
Fig. 1
a front view of the press,
Fig. 2
an enlarged view of the right side press of Figure 1,
Fig. 3
an enlarged view of the left side press of Figure 1,
Fig. 4
a side view of the press of Figure 1 and
Fig. 5
a schematic representation of the guide rails and snowmobile with the associated axes of the press of Figure 1.

Figur 1 zeigt eine Vorderansicht einer erfindungsgemäßen Presse 1. Am unteren Bildrand sind die Achsrichtungen beschrieben. Die Achse in Hubrichtung eines Pressenstößels 5 wird nachfolgend als Z-Achse bezeichnet. Die Achse quer zur Hubrichtung des Pressenstößels 5 und quer zur gedachten Verbindungslänge zwischen den Pressengestellabschnitten 3, 4 wird nachfolgend als Y-Achse bezeichnet. Die Achse parallel zur gedachten Verbindungslinie zwischen den Pressengestellabschnitten 3, 4 wird nachfolgend als X-Achse bezeichnet.FIG. 1 shows a front view of a press 1 according to the invention. The axial directions are described at the lower edge of the picture. The axis in the stroke direction of a press ram. 5 is hereinafter referred to as Z-axis. The axis transverse to the stroke direction of the press ram 5 and transversely to the imaginary connection length between the press frame sections 3, 4 is hereinafter referred to as Y-axis. The axis parallel to the imaginary connecting line between the press frame sections 3, 4 is referred to below as the X-axis.

Die Presse 1 weist ein Pressengestell 2 mit einem rechten und einem linken Pressengestellabschnitt 3, 4 auf. Zwischen den beiden Pressengestellabschnitten 3, 4 befindet sich der Pressenstößel 5 mit einem Pressbereich 6. Üblicherweise weist eine erfindungsgemäße Presse 1 mehrere Pressbereiche 6 auf. Weiterhin weist die Presse 1 eine Tischplatte 32 auf.The press 1 has a press frame 2 with a right and a left press frame section 3, 4. Between the two press frame sections 3, 4 is the press ram 5 with a pressing region 6. Usually, a press 1 according to the invention has a plurality of pressing regions 6. Furthermore, the press 1 on a table top 32.

Am rechten Pressengestellabschnitt 3 befindet sich eine Antriebseinrichtung 7, die einen Z-Motorschlitten 13, einen Z-Linearmotor, bestehend aus Primärteil 15 und Sekundärteil 16 und einen nicht dargestellten Linearantrieb in X-Richtung aufweist. Außerdem sind Führungseinrichtungen 9 und 10 am Pressengestellabschnitt 3 angebracht. Weiterhin ist ein Querträger 19 dargestellt. Der rechte Pressengestellabschnitt 3 mit seinen Anbauteilen wird in Figur 2 näher erläutert.On the right press frame section 3 is a drive device 7, which has a Z-motor slide 13, a Z linear motor, consisting of primary part 15 and secondary part 16 and a linear drive, not shown, in the X direction. In addition, guide means 9 and 10 are mounted on the press frame section 3. Furthermore, a cross member 19 is shown. The right press frame section 3 with its attachments is explained in more detail in FIG.

Der linke Pressengestellabschnitt 4, der in Figur 3 näher erläutert wird, ist nahezu spiegelbildlich zum rechten Pressengestellabschnitt 3 aufgebaut. Der linke Pressengestellabschnitt 4 weist eine Antriebseinheit 8, Führungseinrichtungen 11, 12, einen Motorschlitten in Z-Richtung 14, einen Z-Linearmotor, bestehend aus Primärteil 17 und Sekundärteil 18 auf. Weiterhin ist ein Querträger 20 dargestellt. Allerdings weist die linke Antriebseinheit 8 im Gegensatz zur rechten Antriebseinheit 7 keinen Linearantrieb in X-Richtung auf. Alternativ können in die Antriebseinheit 8 ebenfalls Linearantriebe eingebaut werden. Eine Greiferschiene wird dann von 2x-Linearantrieben bewegt. Damit wäre dann die doppelte Antriebskraft und eine höhere Dynamik verfügbar.The left press frame section 4, which is explained in more detail in Figure 3, is constructed almost mirror-inverted to the right press frame section 3. The left press frame section 4 has a drive unit 8, guide devices 11, 12, a motor carriage in the Z direction 14, a Z linear motor, comprising a primary part 17 and a secondary part 18. Furthermore, a cross member 20 is shown. However, unlike the right drive unit 7, the left drive unit 8 does not have a linear drive in the X direction. Alternatively, linear drives can also be installed in the drive unit 8. A gripper rail is then moved by 2x linear drives. This would then double the driving force and a higher dynamics available.

An den beiden Pressengestellabschnitten 3, 4 sind Öffnungen 21, 22 angebracht, die sich oberhalb der Tischplatte 32 befinden. Die Öffnung 21 bildet gleichzeitig einen Bandeinlauf 31.At the two press frame sections 3, 4 openings 21, 22 are mounted, which are located above the table top 32. The opening 21 simultaneously forms a tape inlet 31.

Darüber hinaus sind Greiferschienen 29, 30 dargestellt, die von Antriebsschienen 23, 24, Mittelschienen 25, 26 und Führungsschienen 27, 28 gebildet werden. Die Antriebsschienen 23, 24 ragen durch die rechte Öffnung 21 und die Führungsschienen 27 und 28 durch die linke Öffnung 22. Die Greiferschienen 29, 30 sind zwischen Pressenstößel 5 und Tischplatte 32 angeordnet und erstrecken sich in X-Richtung. Wie aus Figur 1 gut ersichtlich ist, befinden sich die Antriebseinrichtung 7, 8 und die dazugehörigen Teile auf einer vom Pressenstößel 5 abgewandten Seite 33. Eine Vorrichtung zum Transfer von Werkstücken weist Antriebseinrichtungen 7 und 8 und eine Halteeinrichtung auf, die die Greiferschienen 29, 30 aufweist.In addition, gripper rails 29, 30 are shown, which are formed by drive rails 23, 24, middle rails 25, 26 and guide rails 27, 28. The drive rails 23, 24 project through the right opening 21 and the guide rails 27 and 28 through the left opening 22. The gripper rails 29, 30 are arranged between press ram 5 and table top 32 and extend in the X direction. As can be clearly seen from FIG. 1, the drive device 7, 8 and the associated parts are located on a side 33 facing away from the press ram 5. A device for transferring workpieces has drive devices 7 and 8 and a holding device which holds the gripper rails 29, 30 having.

Figur 2 ist eine vergrößerte Darstellung der rechten Pressenseite aus Figur 1. Neben dem bereits aus Figur 1 bekannten und oben erläuterten Bauteilen ist in dieser Figur ein Y-Motorschlitten 34 mit einem Primärteil 35 und einem Sekundärteil 36 dargestellt, der auf der dem Pressenstößel 5 zugewandten Seite des Z-Motorschlittens 13 angebracht. ist. Außerdem ist ein zweiter Y-Motorschlitten 37 mit einem Primärteil 38 und einem Sekundärteil 39 auf der vom Pressenstößel 5 abgewandten Seite des Z-Motorschlittens 13 angeordnet. Der Z-Motorschlitten 13 trägt an seinem unteren Ende den in Figur 1 bereits gezeigten sich quer zur Hubrichtung des Pressenstößels 5 erstreckenden Querträger 19, der die Basis für die Y-Motorschlitten 34, 37 bildet. Am Querträger 19 ist an der dem Pressenstößel 5 zugewandten Seite der Y-Motorschlitten 34, an der dem Pressenstößel 5 abgewandten Seite der Y-Motorschlitten 37 und an der der Tischplatte 32 zugewandten Seite die Führungsschlitten 40, 41 geführt, wobei die Führungsschlitten 40, 41 fest mit den Antriebsschienen 23, 24 verbunden sind. Die Antriebsschienen 23, 24 bewegen sich in den Führungsschlitten 40, 41 in X-Richtung.2 is an enlarged view of the right side of the press of Figure 1. In addition to the already known from Figure 1 and above components is shown in this figure, a Y-motor slide 34 with a primary part 35 and a secondary part 36, which on the press ram 5 facing Side of the Z-motor carriage 13 attached. is. In addition, a second Y-motor carriage 37 with a primary part 38 and a secondary part 39 on the side facing away from the press ram 5 side of the Z-motor carriage 13 is arranged. The Z-motor slide 13 carries at its lower end already shown in Figure 1, transverse to the stroke direction of the press ram 5 extending cross member 19, which forms the basis for the Y-motor slide 34, 37. On the cross member 19 is on the press ram 5 facing side of the Y-motor slide 34, on the side facing away from the press ram 5 side of the Y-motor slide 37 and on the table top 32 side facing the guide slide 40, 41, wherein the guide slide 40, 41 firmly connected to the drive rails 23, 24 are connected. The drive rails 23, 24 move in the guide carriage 40, 41 in the X direction.

Außerdem ist in dieser Figur eine Koppeleinrichtung 42 dargestellt, die den Y-Motorschlitten 34 mit dem Führungsschlitten 40, 41 koppelt. Die Koppeleinrichtung 42 besteht aus einer Aufnahmeeinrichtung 43 im Y-Motorschlitten 34, einer Aufnahmeeinrichtung 44 im Führungsschlitten 40, 41 und einer Kugel 45.In addition, in this figure, a coupling device 42 is shown, which couples the Y-motor carriage 34 with the guide carriage 40, 41. The coupling device 42 consists of a receiving device 43 in the Y-motor slide 34, a receiving device 44 in the guide carriage 40, 41 and a ball 45th

Die Kugel 45 ist beweglich in die Aufnahmeeinrichtung 44 im Führungsschlitten 40, 41 aufgenommen. Denkbar ist auch, dass die Kugel 45 beweglich in die Aufnahmeeinrichtung 43 im Y-Motorschlitten 34 aufgenommen ist. Dabei ist die Kugel 45 unter Vorspannung z. B. durch eine nicht dargestellte Feder, des jeweils zugeordneten Y-Motorschlittens 34 oder des Führungsschlittens 40, 41 angeordnet.The ball 45 is movably received in the receiving device 44 in the guide carriage 40, 41. It is also conceivable that the ball 45 is movably received in the receiving device 43 in the Y-motor slide 34. The ball 45 is under bias z. B. by a spring, not shown, of the respectively associated Y-motor slide 34 or the guide carriage 40, 41 are arranged.

Figur 3 zeigt eine vergrößerte Darstellung der linken Pressenseite aus Figur 1. Neben den in Figur 1 bereits gezeigten Bauteilen, weist diese Seite analog zu der in Figur 2 erläuterten rechten Seite, einen Y-Motorschlitten 46 mit einem Primärteil 47 und einem Sekundärteil 48 auf der dem Pressenstößel 5 zugewandten Seite des Motorschlittens 4, einen zweiten Motorschlitten 49 mit einem Primärteil 50 und einem Sekundärteil 51 auf der dem Pressenstößel 5 abgewandten Seite des Z-Motorschlittens 14 und Führungsschlitten 52, 53 auf. Analog zur Abbildung 3 ist auch hier die Koppeleinrichtung 42, bestehend aus der Aufnahme 43 im Y-Motorschlitten 46, der Aufnahme 44 im Führungsschlitten 52, 53 und der Kugel 45 gebildet.FIG. 3 shows an enlarged view of the left-hand side of FIG. 1. In addition to the components already shown in FIG. 1, this side has a Y-motor slide 46 with a primary part 47 and a secondary part 48 on the right-hand side, analogous to the right-hand side illustrated in FIG the press ram 5 facing side of the motor carriage 4, a second motor slide 49 with a primary part 50 and a secondary part 51 on the press ram 5 opposite side of the Z-motor carriage 14 and guide carriage 52, 53. Analogous to Figure 3, the coupling device 42, consisting of the receptacle 43 in the Y-motor slide 46, the receptacle 44 in the guide carriage 52, 53 and the ball 45 is also formed here.

Figur 4 zeigt eine Seitenansicht der Presse 1 aus Figur 1. Gut zu erkennen ist in dieser Figur eine Stützeinrichtung 58, die durch einen pneumatischen Gewichtsausgleich gebildet wird, im oberen Bereich der Presse 1. Der pneumatische Gewichtsausgleich weist vier Balgzylinder 59 auf, von denen aufgrund der Perspektive jedoch nur zwei sichtbar sind.Figure 4 shows a side view of the press 1 of Figure 1. Good to see in this figure, a support means 58, which is formed by a pneumatic counterbalance in the upper part of the press 1. The pneumatic counterbalance has four bellows cylinder 59, of which due perspective, however, only two are visible.

Weiterhin sind Führungen 54, 55, 60, 61 für die Querträger 19, 20 dargestellt. Darüber hinaus sind ein Primärteil 56 und Sekundärteil 57 für einen X-Linearantrieb und ein Primärteil 62 und Sekundärteil 63 für einen weiteren X-Linearantrieb gut zu erkennen.Furthermore, guides 54, 55, 60, 61 for the cross members 19, 20 are shown. In addition, a primary part 56 and secondary part 57 for an X-linear drive and a primary part 62 and secondary part 63 for another X-linear drive are clearly visible.

Figur 5 zeigt eine schematische Darstellung der Presse aus Figur 1. Dabei sind die Greiferschienen 29 und 30, die sich in X1-Richtung, X2-Richtung, Y1- und Y2-Richtung bzw. in Y3-und Y4-Richtung und in Z1- und Z2-Richtung bewegen, gut zu erkennen. Die Greiferschienen 29, 30 können zum Halten von Werkstücken z. B. Greifer oder Sauger aufweisen.FIG. 5 shows a schematic illustration of the press from FIG. 1. In this case, the gripper rails 29 and 30, which extend in the X1 direction, X2 direction, Y1 and Y2 direction or in Y3 and Y4 direction and in Z1 direction move and Z2 direction, to recognize well. The gripper rails 29, 30 can be used to hold workpieces z. B. grippers or suckers.

Weiterhin sind in dieser Figur die weiteren Bewegungsrichtungen in X- und in Z-Richtung dargestellt.Furthermore, the further directions of movement in the X and Z directions are shown in this figure.

Im Nachfolgenden wird die Wirkungs- und Funktionsweise näher erläutert.In the following, the mode of action and functioning will be explained in more detail.

Im Pressengestell 2 bewegt sich der Pressenstößel 5 zwischen den Pressengestellabschnitten 3, 4. Zwischen dem Pressenstößel 5 und der Tischplatte 32 befinden sich die Greiferschienen 29 und 30. Die Greiferschienen 29, 30 können nicht dargestellte Halter z. B. Greifer oder Sauger zum Halten von nicht dargestellten Werkstücken aufweisen. Die Greiferschienen 29, 30 werden durch die Antriebseinheiten 7, 8, die oberhalb der Greiferschienen 29, 30 angeordnet sind, in X-, Y- und Z-Richtung bewegt. In der Antriebseinheit 7 befinden sich zusätzlich die X-Linearantriebe mit den Primärteilen 56, 62 und den Sekundärteilen 57, 63. In der Antriebseinheit 8 sind keine X-Linearantriebe angebracht. An den Pressengestellabschnitten 3, 4 sind Führungseinrichtungen 9, 10, 11, 12 angebracht. In den Führungseinrichtungen 9, 10 wird der Z-Motorschlitten 13 und in den Führungseinrichtungen 11, 12 der Z-Motorschlitten 14 geführt. An den Motorschlitten 13, 14 sind die Primärteile 15, 17 befestigt. Die zugehörigen Sekundärteile 16, 18 sind an den Pressengestellabschnitten 3, 4 befestigt. Die Querträger 19, 20 an den Motorschlitten 13, 14 werden zusätzlich durch die Führungseinrichtungen 54, 60, 55, 61 geführt.In the press frame 2, the press ram 5 moves between the press frame sections 3, 4. Between the press ram 5 and the table top 32 are the Gripper rails 29 and 30. The gripper rails 29, 30 can not shown holder z. As grippers or suckers for holding workpieces, not shown. The gripper rails 29, 30 are moved in the X, Y and Z directions by the drive units 7, 8, which are arranged above the gripper rails 29, 30. In addition, the X-linear drives with the primary parts 56, 62 and the secondary parts 57, 63 are located in the drive unit 7. No X-linear drives are mounted in the drive unit 8. On the press frame sections 3, 4 guide means 9, 10, 11, 12 are mounted. In the guide means 9, 10 of the Z-motor carriage 13 and in the guide means 11, 12 of the Z-motor carriage 14 is guided. On the snowmobile 13, 14, the primary parts 15, 17 are attached. The associated secondary parts 16, 18 are attached to the press frame sections 3, 4. The cross members 19, 20 on the motor slide 13, 14 are additionally guided by the guide means 54, 60, 55, 61.

Jeder Y-Motorschlitten 34, 37, 46, 49 ist mit dem zugehörigen Führungsschlitten 40, 41, 52, 53 durch eine Koppeleinrichtung 42 verbunden. Treten beim Greifen der Werkstücke zu hohe Kräfte auf, rutscht die Kugel 45, die unter Vorspannung z. B. durch eine nicht dargestellte Feder angeordnet ist, aus den Aufnahmeeinrichtungen 43, 44, wodurch die Führungsschlitten 40, 41, 52, 53 von den Motorschlitten 34, 37, 46, 49 getrennt werden. Die Koppeleinrichtung 42 ist also als Überlastsicherung ausgebildet, die bei zu hohen Kräften beim Greifen der Werkstücke die Führungsschlitten 40, 41, 52, 53 von den Motorschlitten 34, 37, 46, 49 trennt. Auf diese Weise kann eine Beschädigung der Presse 1 wirkungsvoll verhindert werden.Each Y-motor slide 34, 37, 46, 49 is connected to the associated guide carriage 40, 41, 52, 53 by a coupling device 42. Occur when gripping the workpieces on high forces, the ball slips 45, the biased z. B. is arranged by a spring, not shown, from the receiving means 43, 44, whereby the guide carriage 40, 41, 52, 53 separated from the motor slide 34, 37, 46, 49. The coupling device 42 is thus designed as an overload protection, the guide slides 40, 41, 52, 53 separated from the motor slide 34, 37, 46, 49 at too high forces when gripping the workpieces. In this way, damage to the press 1 can be effectively prevented.

Die Primärteile 38, 35, 50, 47 sind an den Motorschlitten 34, 37, 46, 49 angebracht. Die Sekundärteile 39, 36, 48, 51 sind an den Querträgern 19, 20 befestigt.The primary parts 38, 35, 50, 47 are attached to the motor carriages 34, 37, 46, 49. The secondary parts 39, 36, 48, 51 are attached to the cross members 19, 20.

Die Führungsschlitten 40, 41, 52, 53 bilden die Basis für die X-Achse. In den Führungsschlitten 40, 41 sind die Antriebsschienen 23, 24 und in den Führungsschlitten 52, 53 sind die Führungsschienen 27, 28 geführt. Die Führungsschlitten 40, 41 tragen die Primärteile 56, 62 der X-Linearantriebe. Die Sekundärteile 57, 63 der X-Linearantriebe sind an den Antriebsschienen 23, 24 befestigt.The guide carriages 40, 41, 52, 53 form the basis for the X-axis. In the guide slide 40, 41, the drive rails 23, 24 and in the guide slide 52, 53, the guide rails 27, 28 are guided. The guide carriages 40, 41 carry the primary parts 56, 62 of the X-linear drives. The secondary parts 57, 63 of the X-linear drives are attached to the drive rails 23, 24.

Die Greiferschienen 29, 30 werden mit den Antriebsschienen 23, 24 und den Führungsschienen 27, 28 starr gekoppelt.The gripper rails 29, 30 are rigidly coupled to the drive rails 23, 24 and the guide rails 27, 28.

Die beiden Antriebseinheiten 7, 8 sind mit dem pneumatischen Gewichtsausgleich 58, der aus vier Balgzylindern 59 besteht, ausgerüstet. Weiterhin befinden sich an allen Motorschlitten eine nicht dargestellte Bremseinrichtung, die üblicherweise Klemmelemente aufweist, die die Schlitten im stromlosen Zustand in ihren Positionen halten.The two drive units 7, 8 are equipped with the pneumatic counterbalance 58, which consists of four bellows cylinders 59. Furthermore, there is a brake device, not shown, which usually has clamping elements which hold the carriage in their currentless state in position on all snowmobiles.

Die Bremseinrichtungen klemmen mechanisch über Federkraft und werden über Hilfsenergie (Hydraulik, Pneumatik) gelöst. Bei einer Notabschaltung tragen die Bremseinrichtungen zum schnellen Stillsetzen der Motorschlitten bei.The brake devices clamp mechanically via spring force and are released via auxiliary energy (hydraulics, pneumatics). In the case of an emergency shutdown, the braking devices contribute to a quick shutdown of the snowmobiles.

Zum Durchführen eines Pressvorganges werden zunächst nicht dargestellte Werkstücke, die sich auf einem Band befinden, in den Bandeinlauf 31 eingebracht und auf der Tischplatte 32 in z. B. nicht dargestellte Halterungen eingelegt. Der Pressenstößel 5 befindet sich zu diesem Zeitpunkt in einer angehobenen Stellung. Jetzt fährt der Pressenstößel 5 nach unten und formt die Werkstücke um. Denkbar ist auch ein Stanzen oder eine Kombination aus Stanzen und Pressen. Danach kehrt der Pressenstößel wieder in die angehobene Stellung zurück. Mittels der Z-Linearantriebe werden die Greiferschienen 29, 30 in Z-Richtung bis zur Tischplatte 32 abgesenkt. Die Greiferschienen 29, 30 werden mittels der Y-Linearantriebe aufeinander zubewegt, bis sie die Werkstücke mittels Greifer oder auch Saugern greifen. Anschließend werden die Greiferschienen 29, 30 in Z-Richtung hochgehoben und mittels der X-Linearantriebe in X-Richtung bis zum nächsten Pressbereich verschoben. Dort werden die Greiferschienen 29, 30 wieder bis zur Tischplatte 32 abgesenkt und auseinander bewegt, so dass die Werkstücke auf dem Werkzeugunterteil aufliegen. Anschließend fährt der Pressenstößel 5 wieder nach unten und presst die Werkstücke. Danach fährt der Pressenstößel wieder nach oben und die Werkstücke werden gemäß obiger Beschreibung zum nächsten Pressbereich weiterbefördert bzw. aus der Presse 1 z. B. mittels einer nicht dargestellten Transporteinrichtung entfernt.To carry out a pressing operation workpieces, not shown, which are located on a belt, are introduced into the band inlet 31 and on the table top 32 in z. B. not shown brackets inserted. The press ram 5 is at this time in a raised position. Now pushes the press ram 5 down and shapes the workpieces. Also conceivable is a punching or a combination of punching and pressing. Thereafter, the press ram returns to the raised position. By means of the Z-linear drives, the gripper rails 29, 30 are lowered in the Z direction to the table top 32. The gripper rails 29, 30 are moved toward each other by means of the Y linear drives until they grip the workpieces by means of grippers or suckers. Subsequently, the gripper rails 29, 30 are lifted in the Z direction and moved by means of the X-linear drives in the X direction to the next pressing area. There, the gripper rails 29, 30 are lowered again to the table top 32 and moved apart, so that the workpieces rest on the lower tool part. Subsequently, the press ram 5 moves down again and presses the workpieces. Thereafter, the press ram moves back up and the workpieces are conveyed according to the above description to the next pressing area or from the press 1 z. B. removed by means of a transport device, not shown.

Bei der vorgestellten Presse 1 oder Stanze bilden die Z-Achsen die Basis für die Vorrichtung zum Transfer von Werkstücken zwischen den Pressbereichen 6. Dabei sind die Y-Achsen als mitfahrende Achsen auf den Z-Achsen und die X-Achsen als mitfahrende Achsen auf den Y-Achsen ausgebildet. Denkbar ist auch, dass die Y-Linearantriebe sekundär an den Pressengestellabschnitten 3, 4 angeordnet werden. In diesem Fall müsste in der Koppeleinrichtung 42 zwischen den Y-Motorschlitten 34, 37, 46, 49 und den Y-Führungsschlitten 40, 41, 52, 53 der Z-Hub ausgeglichen werden. Bei der vorgestellten Presse oder Stanze befinden sich die Z- und Y-Linearantriebe oberhalb der Greiferschienenebene und können in die Pressengestellabschnitte 3, 4 integriert werden. Auf diese Weise kann der Raum zwischen den Pressengestellabschnitten 3, 4 besser genutzt werden und es steht mehr Raum für die Pressbereiche zur Verfügung. Weiterhin kann die Presse 1 kompakter gestaltet werden.In the presented Press 1 or punch the Z-axes form the basis for the device for transferring workpieces between the pressing areas 6. Here are the Y-axes as moving axes on the Z-axes and the X-axes as moving axes on the Y-axes formed. It is also conceivable that the Y-linear drives are arranged secondarily to the press frame sections 3, 4. In this case, would have in the coupling device 42 between the Y-motor carriage 34, 37, 46, 49 and the Y-guide carriage 40, 41, 52, 53 of the Z-stroke are compensated. In the presented press or punch, the Z and Y linear actuators are above the gripper rail plane and can be integrated into the press frame sections 3, 4. In this way, the space between the press frame sections 3, 4 can be better used and there is more space for the pressing areas available. Furthermore, the press 1 can be made more compact.

Dadurch, dass sich die X-Linearantriebe in der Greiferschieneebene befinden, können die Kräfte von den X-Linearantrieben direkt auf die Greiferschienen 29, 30 übertragen werden.Because the X-linear drives are located in the gripper rail plane, the forces of the X-linear drives can be transmitted directly to the gripper rails 29, 30.

Hierdurch werden Spiele und Verformungen (Biegungen, Kippungen) ausgeschlossen. Dadurch kann die X-Achse, die den größten Fahrweg gegenüber den anderen Achsen aufweist, mit höchster Dynamik betrieben werden.As a result, games and deformations (bends, tilting) are excluded. As a result, the X-axis, which has the largest travel distance in relation to the other axes, can be operated with maximum dynamics.

Da alle Antriebe ohne Zwischengetriebe direkt auf die Schlitten wirken, sind alle Achsen hochdynamisch, d. h., es sind hohe Beschleunigungen und Geschwindigkeiten möglich.Since all drives without intermediate gear act directly on the slides, all axes are highly dynamic, d. h., high accelerations and speeds are possible.

Die Integration der Antriebe in die Pressengestellabschnitte 3, 4 ermöglicht eine kurze Greiferschienenlänge.The integration of the drives in the press frame sections 3, 4 allows a short gripper rail length.

Wegen der einfacheren Darstellung wurden alle Führungen als Gleitführungen dargestellt. In der Praxis werden vorgespannte Wälzführungen eingesetzt, wodurch für alle Schlitten geringe Reibung und hohe Führungssteifigkeit erzielt wird. Die X-Führung stellt eine starre Einspannstelle bezogen auf die Y-Achse und die Z-Achse als Ankoppelbedingung für die Greiferschiene dar. Eine kurze Greiferschiene und eine starre Führung bilden die Grundlage für eine hochdynamische X-Achse, wodurch hohe Taktraten erreicht werden können.Because of the simpler presentation, all guides were shown as sliding guides. In practice, preloaded roller guides are used, which results in low friction and high guiding rigidity for all carriages. The X-guide represents a rigid clamping point with respect to the Y-axis and the Z-axis as a coupling condition for the gripper rail. A short gripper rail and a rigid guide form the basis for a highly dynamic X-axis, whereby high clock rates can be achieved.

Claims (34)

  1. Press or punch with a press frame (2) having at least two press frame portions (3, 4) which are set apart from one another and between which a press ram (5) is movably arranged for carrying out a pressing process, the press ram (5) having at least two pressing regions (6), and comprising a device for the transfer of workpieces between the pressing regions (6) and the device having a holding means (29, 30), preferably configured as a gripping means, for the workpieces and at least one drive means (7, 8) for moving the holding means (29, 30), the drive means (7, 8) having at least one magnetic linear drive, characterised in that at least one of the drive means (7, 8) is arranged, at least in certain sections, on the side (33) of one of the press frame portions (3, 4) that is remote from the press ram.
  2. Press or punch according to claim 1, characterised in that a plurality of drive means (7, 8) are provided.
  3. Press or punch according to at least one of the preceding claims, characterised in that the drive means (7, 8) are attached to the two press frame portions (3, 4).
  4. Press or punch according to at least one of the preceding claims, characterised in that the magnetic linear drives of the drive means (7, 8) each have a primary part (15, 35, 38, 47, 50, 56, 62) having a motor carriage (13, 14, 34, 37, 46, 49) and a guide means (9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 40, 41, 52, 53, 54, 55, 60, 61) for the primary part.
  5. Press or punch according to at least one of the preceding claims, characterised in that the guide means (9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 40, 41, 52, 53, 54, 55, 60, 61) is configured as a guide rail.
  6. Press or punch according to at least one of the preceding claims, characterised in that the guide means has a secondary part (16, 18, 36, 39, 48, 51, 57, 63) of the linear drive.
  7. Press or punch according to at least one of the preceding claims, characterised in that the holding means (29, 30) can be moved in the stroke direction of the press ram (5) using at least one of the drive means (7, 8).
  8. Press or punch according to at least one of the preceding claims, characterised in that the holding means (29, 30) can be moved transversely to the stroke direction of the press ram (5) using at least one of the drive means (7, 8).
  9. Press or punch according to at least one of the preceding claims, characterised in that the holding means (29, 30) can be moved transversely to an imaginary line connecting the press frame portions (3, 4) using at least one of the drive means (7, 8).
  10. Press or punch according to at least one of the preceding claims, characterised in that the guide means (9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 40, 41, 52, 53, 54, 55, 60, 61) extend along the respectively associated direction of movement of the holding means (29, 30).
  11. Press or punch according to at least one of the preceding claims, characterised in that the motor carriages of the one linear drive are connected to the guide carriages of the other linear drive.
  12. Press or punch according to at least one of the preceding claims, characterised in that the guide means (9, 10, 11, 12) of the linear drive allowing the holding means (29, 30) to be moved in the stroke direction is attached to the press frame (2).
  13. Press or punch according to at least one of the preceding claims, characterised in that the press or punch has a support means (58) which acts in the stroke direction of the press ram and supports the associated linear drive.
  14. Press or punch according to at least one of the preceding claims, characterised in that the support means is operated pneumatically.
  15. Press or punch according to at least one of the preceding claims, characterised in that the support means (58) has at least one bellows cylinder (59).
  16. Press or punch according to at least one of the preceding claims, characterised in that the drive means (7, 8) are identical in their construction with respect to the axis transversely to the imaginary connecting line between the press frame portions (3, 4) and the axis in the stroke direction of the press ram (5).
  17. Press or punch according to at least one of the preceding claims, characterised in that the drive means (7, 8) are arranged above the plane of the holding means.
  18. Press or punch according to at least one of the preceding claims, characterised in that the drive means (7, 8) are arranged transversely to the connecting line between the press frame portions (3, 4) and/or the drive means (7, 8) are arranged above the plane of the holding means (29, 30) in the stroke direction of the press ram (5).
  19. Press or punch according to at least one of the preceding claims, characterised in that the drive means (7, 8) are arranged in the plane of the holding means (29, 30) in the direction of the connecting line between the press frame portions (3, 4).
  20. Press or punch according to at least one of the preceding claims, characterised in that the motor carriage (13, 14, 34, 37, 46, 49) has a braking means.
  21. Press or punch according to at least one of the preceding claims, characterised in that the braking means has a clamping means.
  22. Press or punch according to at least one of the preceding claims, characterised in that crossbeams (19, 20) extending transversely to the lifting means are arranged on the carriages (13, 14) in the stroke direction of the press ram (5).
  23. Press or punch according to at least one of the preceding claims, characterised in that the guide means having the associated motor carriages are configured as sliding guides.
  24. Press or punch according to at least one of the preceding claims, characterised in that the guide means having the associated motor carriages are configured as rolling guides.
  25. Press or punch according to at least one of the preceding claims, characterised in that the holding means (29, 30) is formed by two guide rails which can be set apart from each other and moved toward each other.
  26. Press or punch according to at least one of the preceding claims, characterised in that the holding means is formed by the guide rails extending in a direction transverse to the stroke direction of the press ram and between the two press frame portions (3, 4).
  27. Press or punch according to at least one of the preceding claims, characterised in that the gripper means (29, 39) is formed by the guide means, configured as gripper rails, of the linear drives extending in a direction transverse to the stroke axis between the two press frame portions (3, 4).
  28. Press or punch according to at least one of the preceding claims, characterised in that the holding means is arranged between the press ram (5) and a table top (32) in a raised position of the press ram.
  29. Press or punch according to at least one of the preceding claims, characterised in that the holding means (29, 30) has a plurality of gripping portions which can be moved toward one another.
  30. Press or punch according to at least one of the preceding claims, characterised in that the press frame portions (3, 4) have openings (21, 22) and the drive means of the holding means protrudes through the openings (21, 22) in the press frame portions (3, 4).
  31. Press or punch according to at least one of the preceding claims, characterised in that the motor carriage (37, 49) is connected to the guide rail via a coupling means (42).
  32. Press or punch according to at least one of the preceding claims, characterised in that a guide carriage (40, 41, 52, 53) is rigidly connected to the guide rail.
  33. Press or punch according to at least one of the preceding claims, characterised in that the coupling means has a spherical element (45) and the spherical element (45) is movably received in a receiving means (43, 44) of the motor carriage (34, 37, 46, 49) or the guide carriage (40, 41, 52, 53) and is arranged with pre-stress with respect to the receiving means (43, 44) of the respectively associated motor carriage or guide carriage.
  34. Press or punch according to at least one of the preceding claims, characterised in that the coupling means (42) is configured as an overload protection which separates the guide carriages (40, 41, 52, 53) from the motor carriage (34, 37, 46, 49) in the event of overly high forces during gripping of the workpieces.
EP03020794A 2002-10-14 2003-09-12 Press or punching machine Expired - Lifetime EP1410858B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200331035T SI1410858T1 (en) 2002-10-14 2003-09-12 Press or punching machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10247782 2002-10-14
DE10247782A DE10247782A1 (en) 2002-10-14 2002-10-14 Press or punch

Publications (2)

Publication Number Publication Date
EP1410858A1 EP1410858A1 (en) 2004-04-21
EP1410858B1 true EP1410858B1 (en) 2007-09-05

Family

ID=32038628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03020794A Expired - Lifetime EP1410858B1 (en) 2002-10-14 2003-09-12 Press or punching machine

Country Status (5)

Country Link
EP (1) EP1410858B1 (en)
AT (1) ATE372179T1 (en)
DE (2) DE10247782A1 (en)
ES (1) ES2292892T3 (en)
SI (1) SI1410858T1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006041281B4 (en) * 2006-09-02 2008-09-11 H & T Produktions Technologie Gmbh Transfer device for processing machines, in particular presses
DE102018131932B3 (en) * 2018-12-12 2020-06-10 Wemhöner Surface Technologies GmbH & Co. KG Loading or unloading trolleys
CN109692917B (en) * 2019-02-14 2023-10-20 宁波埃美柯铜阀门有限公司 Automatic forming equipment for corrugated pipe opening of stainless steel air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443546A1 (en) * 1994-12-07 1996-06-13 Erfurt Umformtechnik Gmbh Flexible transfer device for presses
DE20020855U1 (en) * 2000-12-08 2001-03-08 Blechformwerke Bernsbach Gmbh Transfer device for large press system
JP2002102964A (en) * 2000-10-03 2002-04-09 Hitachi Zosen Fukui Corp Driving device for feed bar of transfer press

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462521A (en) * 1981-12-29 1984-07-31 Sumitomo Heavy Industries, Ltd. Transfer mechanism
DE19506079A1 (en) * 1995-02-22 1996-08-29 Schuler Pressen Gmbh & Co Appts. for transfer of workpieces through a sequence of work stations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443546A1 (en) * 1994-12-07 1996-06-13 Erfurt Umformtechnik Gmbh Flexible transfer device for presses
JP2002102964A (en) * 2000-10-03 2002-04-09 Hitachi Zosen Fukui Corp Driving device for feed bar of transfer press
DE20020855U1 (en) * 2000-12-08 2001-03-08 Blechformwerke Bernsbach Gmbh Transfer device for large press system

Also Published As

Publication number Publication date
DE50308101D1 (en) 2007-10-18
EP1410858A1 (en) 2004-04-21
ATE372179T1 (en) 2007-09-15
DE10247782A1 (en) 2004-04-22
ES2292892T3 (en) 2008-03-16
SI1410858T1 (en) 2008-02-29

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