EP1563926A1 - Apparatus and method for feeding workpieces - Google Patents

Abstract

A machine tool has a frame (14) and a mechanical handling unit (T1, T2) that moves work-pieces in the X-plane. A transport beam (15) is moved through the X and Y planes by drive systems (AM1, AM2), from which it is detachable (K) at one end. The beam has a swivel assembly which is free to operate on detachment from the drive.

Description

The invention relates to a device for the transport of Workpieces. It also relates to a method for off or Installation of a tool and / or to change a transport bar using the device.

Such a device is known from DE 33 29 900 C2. For tool change, it is necessary in the known device, expand the transport beams in total and with a separate device from the press out laterally.

DE 195 26 490 A1 discloses a device in which Gripper rails transversely to the transport direction on a sliding table moved out of a machine frame for tool change can be.

Another device for transporting workpieces is from EP 0 633 077 A1. There are two opposing ones Transport beams each at their end with a first drive connected. Each of the transport bars is further movable on two parallel to each other pivotable Levers attached. One by the drive in an X- or Transport direction caused displacement movement inevitably leads to a movement of the transport bar in an X and a Y direction. Such a movement of the transport bar serves together with a corresponding movement of an in opposite arrangement provided transport beam for transferring workpieces along the X direction.

From DE 28 52 929 C2 is a feed device for stepwise workpiece transport in presses known in the along the transport path two gripper rails or transport beams in a position opposite to each other. The gripper rails are used to grip the workpieces via a gear drive moves toward each other until the workpieces are held clamped. Subsequently, the gripper rails moved in the transport direction and the workpieces by moving the gripper rails apart on another one Place dropped off again. To always have a synchronous movement ensure the movements of the gear transmission controlled by cams.

From DE 28 47 273 A1 discloses a device for loading a plate press known. There are two opposing ones Loading beams or transport bars on each Carriage movable in the transport direction. Each of the transport beams is in one direction by means of a scissor pinion movable perpendicular to the transport direction. At each of the transport beams Several gripping devices are provided. The Gripping devices have Klemmleistenpaare on about Parallelogrammlenkerstelltriebe vertically against each other are. - The known device requires a variety of drive devices. So are drive devices for Movement of the carriages in the transport direction, to move the Transport bar perpendicular to the transport direction and for movement the gripping devices required.

The known transport devices are usually used for gradual transfer of workpieces from a pressing tool in a following in the transport direction further pressing tool. In the case of a change of pressing tools it is required to remove one of the transport beams. Provided the pressing tool against a pressing tool for the production of Workpieces with a different geometry replaced can be, an adaptation of provided on the transport beams Gripper geometry may be required. This may be necessary be, both transport beams against transport beams with to replace a suitable gripper geometry. An expansion one or both transport bars is expensive. This must be the transport beams are removed from the drive and removed. Furthermore, it is necessary to support components of the drive. Because of the considerable length of the transport bar It is also necessary to transport the beam in the X direction expand. The spatial relationships in this direction are due to equipment provided there for workpiece and removal often cramped. This further complicates the on or Removal of the transport bar.

The object of the invention is the disadvantages of the prior art to eliminate the technology. It is intended in particular a device be specified for the transport of workpieces, the one possible simple change of a tool allows. According to another object of the invention is intended as possible simple procedure for removing or installing a tool and / or transport bars.

This object is achieved by the features of claims 1 and 31 solved. Advantageous embodiments will be apparent from the Features of claims 2 to 30 and 32 to 34.

According to the invention is a device for transport of workpieces in an X direction with at least one attachable to a frame of a processing device Transport device provided which at least one means a first drive in the X and Y directions movable Transport bar, wherein the transport bar at its one end releasably connected to the first by means of a first coupling Drive is connected, and wherein a pivoting device is provided, with which the transport bar in from the first Drive dissolved state is pivotable. - The provision a first clutch facilitates the separation of the transport bar from the first drive. By means of the invention further provided pivoting device, the transport bar quickly and easily pivoted in the released state be that a recorded in the processing device Tool is easily accessible and exchanged can. After replacing the tool, the transport bar must be zurückverschwenkt only in its original position and be reconnected to the drive by means of the clutch.

In a suitable embodiment of the transport bar and the pivoting device, it is possible in particular, the Swing transport bar in a direction transverse to the X direction. This eliminates the need for the state of the art difficult and time-consuming expansion of the transport beam along the transport direction.

According to an advantageous embodiment, the pivoting device a substantially in a Z-direction running Swivel axis on. This enables an easy to perform horizontal pivoting of the transport bar.

After a particularly well-proven in practice embodiment is the first transport bar at its other end by means of a second clutch releasably connected to a second drive. The provision of two clutches allows a relative short design of the transport bar. In addition, can so that the transport bar quickly and easily from the two Drives are disconnected. In this case, the swivel device be releasably attachable to the transport bar. she is in practice usually only then attached when the transport bar is released from the drives. Instead of the second drive, the transport bar also with a Guided in a guided support beam by means of the second Coupling be connected.

The pivoting device may include a means for pivotally holding of the transport bar in one of the drives released State. The means for pivotally holding is Especially designed so that it is also the moment of Transport bar is added. It can be one in an am Transport bar provided receiving engaging pin exhibit. For example, the recording may be a laterally attached to the transport bar means for Retracting the pin act. Instead of the pin, the Transport bar, for example, in a U-shaped receptacle are received, which are pivotally mounted about an axis is.

According to one embodiment, it may also be that the transport bar instead of the coupling by means of one, preferably lockable ausgestaltet, hinge connected to the drive is. Furthermore, it is also conceivable that the transport bar by means of a preferably detectable ausgestaltenten, Hinge and a coupling is attached. In this Case, the transport bar after the release of the first clutch be pivoted. When connecting the transport bar with a hinge it does not require the transport bar completely detached from the device.

According to a further advantageous embodiment, the first and / or second drive a Parallelogrammstelltrieb on. Especially if two Parallelogrammstelltriebe for movement the transport bar are provided, will be an excellent Stiffness and thus a particularly precise motion control reached. Apart from that, it is when using the proposed Parallelogrammstelltriebs no longer necessary, any dismantling of the transport bar any Measures to support components of the drive too to meet.

The Parallelogrammstelltrieb expediently has in opposite Arrangement a first and a second coupling element on which at least two attached in parallel Handlebars are movably connected to each other. The pivot bearings the links are fixedly attached to the coupling elements. Swivel relative to each other during a movement of the coupling elements the handlebars by the same angle. A enclosed by the links and the coupling elements area forms a parallelogram.

The term "coupling element" is within the meaning of the present invention generally understood. It can be one rigid beams acting with the transport beam or a Linear motion device can be connected. At one the transport bar facing the end of the coupling element the first, possibly second coupling for connection to the transport bar intended. The coupling is expediently so executed that a rigid connection between the first Coupling element and the transport bar can be produced.

It has proved to be advantageous that the first coupling element attached to a linear motion device or Part of the same is. By the first coupling element to a linear motion device attached or component is the same, is advantageously achieved by a movement of the linear movement device alone in the X direction, a movement of the transport bar in the X and Y directions can be achieved.

The first coupling element may be a first sliding element of the linear movement device form. The linear movement device is suitably attached to a frame. The simplifies the construction of the device. It can in particular Drive devices stationarily arranged on the frame become.

Under a "linear motion device" is a device understood, by means of which one object with another Subject is connected so that a movement of the two objects relative to each other inevitably along a straight line. For this purpose, for example, a sliding element slidably provided on a straight rail. The Sliding elements can also be used in linear plain or roller bearings be guided.

The second coupling element can by means of the first and / or second coupling to be connected to the transport bar. In This configuration is the first coupling element either component a mounted on the frame first linear movement device or it is a part of it.

According to a further advantageous embodiment, the linear movement device one perpendicular to the direction of movement the first sliding element movable second sliding element, on which the first sliding element is mounted. At the first and / or second sliding element may be one on one Linear guide guided slide act. Conveniently, are the first and the second sliding element in the manner of a Trained cross slide. This allows a movement of the Transport bar in X, Y and Z direction.

According to a further embodiment is at least a first Drive device for moving the first and / or second Sliding element, preferably in the Z direction, provided. Further may be at least a second drive means for movement the first and / or second sliding element, preferably in the X direction, be provided. It can also be used to move everyone the second sliding elements a separate second drive means be provided. This can be done in a simple way a suitable control of the drive device / s a predetermined Movement of transport beam in both X and be executed in the Y direction. The movement can be expediently by means of a for controlling the drive device / s provided process computer controlled. The allows a particularly simple adaptation of the invention Device to the most diverse geometries of processing devices, z. B. pressing. It is suitable for Retrofitting of existing processing devices. For adaptation to different geometries, it is according to the invention only required, the length of the transport bar suitable too choose. The linear motion devices including drive device / s can remain unchanged.

According to a further embodiment, the length of the transport bar so that he is in an X-Y plane between Pillars of the processing device is pivotable. This allows swinging out one end of the transport bar in a direction transverse to the X direction. It can be a special one easy change of a tool can be achieved.

Opposite the transport beam can be in the X and Y direction movably held further transport beams provided be. The further transport bar can according to the Transport bar be formed. Also, at least one can Movement of the further transport bar provided drive formed according to the first or second drive be. Conveniently, the second transport bar with provided two drives and mirror images of the first transport bar educated. With the proposed arrangement The workpieces can be clamped between the two transport beams gripped and transported.

a) Vorsehen einer Schwenkvorrichtung am Transportbalken,

b) Trennen des Transportbalkens vom ersten Antrieb,

c) Verschwenken des Transportbalkens und

d) Aus- oder Einbau des Werkzeugs und/oder Transportbalkens.

According to another aspect of the invention, a method for removing or installing a tool and / or transport bar in the device according to the invention is provided with the following steps:

a) providing a pivoting device on the transport bar,

b) separating the transport bar from the first drive,

c) pivoting of the transport bar and

d) removal or installation of the tool and / or transport bar.

The pivoting device is in particular designed so that they can be releasably attached to the transport bar. The attachment the pivoting device is advantageously carried out in one from the tool remote starting position of the transport bar.

In particular, the pivoting of the separate from the first drive Transport bar facilitates and accelerates considerably removal or installation of the tool and / or the transport bar.

Advantageous embodiments of the method arise in particular also from the aforementioned features, the corresponding also applicable to the implementation of the method. Especially when providing two as Parallelogrammstelltriebe trained drives, the transport bar by means of Clutches quickly and easily from the transport device be solved. The parallelogram actuators are self-supporting, d. H. they do not have to be with the transport bar removed be supported separately.

Fig. 1

eine Seitenansicht eines Antriebsmoduls,

Fig. 2

eine Schnittansicht gemäß der Schnittlinie A - A' in Fig. 1,

Fig. 3

eine Seitenansicht einer Presse mit einer ersten Vorrichtung,

Fig. 4

eine Schnittansicht gemäß Fig. 3 gemäß der Schnittlinie A - A',

Fig. 5a - d

den Bewegungsablauf bei einer ersten Vorrichtung,

Fig. 6a - d

den Bewegungsablauf bei einer zweiten Vorrichtung,

Fig. 7

eine Prinzipskizze einer dritten Vorrichtung,

Fig. 8a

eine Prinzipskizze der Anordnung der ersten Vorrichtung,

Fig. 8b

die Anordnung gemäß Fig. 8a mit einer alternativen Stellung der Lenker,

Fig. 9a - d

Prinzipskizzen des Bewegungsablaufs, wie er in den Fig. 5a - d gezeigt ist und

Fig. 10

eine Draufsicht auf eine vierte Vorrichtung.

Embodiments of the invention will be explained in more detail with reference to the drawings. Show it:

Fig. 1

a side view of a drive module,

Fig. 2

a sectional view along the section line A - A 'in Fig. 1,

Fig. 3

a side view of a press with a first device,

Fig. 4

3 is a sectional view according to the section line A - A ',

Fig. 5a - d

the sequence of movements in a first device,

Fig. 6a - d

the sequence of movements in a second device,

Fig. 7

a schematic diagram of a third device,

Fig. 8a

a schematic diagram of the arrangement of the first device,

Fig. 8b

the arrangement of FIG. 8a with an alternative position of the handlebar,

Fig. 9a - d

Schematic diagrams of the sequence of movements, as shown in Figs. 5a - d and

Fig. 10

a plan view of a fourth device.

Figs. 1 and 2 show a for producing a novel Transport device suitable drive module AM. One first carriage 1 is z. B. via a toothed belt 2 with Toothed disks 3 connected. One of the two toothed discs 3 is drivingly connected to a first electric motor 4. Of the first carriage 1 is in a (not shown) in the X direction extending X-rail, extending over the extends between the toothed discs 3 formed distance. At the first slide 1 are Z-rails extending in the Z direction 5 mounted in which a second carriage 6 is guided. The first 1 and the second carriage 6 form a cross slide. On the second carriage 6 are pivotally arm 7 appropriate. The second carriage 6 fulfills the function of a the two links 7 in the X direction coupling first coupling element. The links 7 are fixed at one end in mounted on the second carriage 6 first pivot bearings eighth added. At its other end, the first link 7 mounted in a stationary manner on a second coupling element 9 second pivot bearings 10 pivotally held. In Fig. 2 are in particular the carriages 1, 6, the first link 7 and the second coupling element 9 in two different positions shown. The second coupling element 9, the handlebar 7 and the second carriages 6 form a parallelogram actuator PL. It is of course also conceivable that the first coupling element forms a separate component, which on the second Carriage 6 is attached.

As is further apparent from Fig. 1, the second carriage is 6 slidable in a horizontal direction on a horizontal extending support 11 attached. The carrier 11 is in the Z direction vertically slidably guided in Z-guides 12. One second electric motor 13 serves the vertical movement of Carrier 11.

By means of two of the drive modules shown in Fig. 1 and 2 AM, it is possible to attach one to the second coupling elements 9 Transport beam in X, Y and Z direction to Transport of workpieces to move.

Figs. 3 and 4 show a first device. It deals this is a transport device, which is a first Drive module AM1 and a second drive module AM2 has. The drive modules AM1, AM2 correspond to those in FIGS. 1 and 2 drive module AM shown. The first drive module AM1 has a first parallelogram actuator PL1 and the second Drive module AM2 a second parallelogram drive PL2 on. The drive modules AM1, AM2 are on the frame 14 a Press P mounted. The first coupling elements 9 of the drive modules AM1, AM2 are connected to a transport bar 15.

As can be seen in particular from Fig. 4, are on the transport bar 15 several gripping devices 16 attached. such Gripping devices 16 can act as active gripping elements be educated. They serve for gripping workpieces 17. If - as shown in Fig. 5 - two transport beams 15th are provided in each other opposite arrangement, can the gripping means 16 also as passive gripping elements be designed for clamping holding workpieces 17.

By the reference numeral K are couplings for connecting the Transport bar 15 referred to the coupling element 9. The Couplings K can be designed in the form of a screw connection be.

FIGS. 5a to 5d show the movement sequence of a first Contraption. The drive modules AM1, AM2 are at the Outside of the frame 14 of the press P attached. Of the Transport bar 15 is also here with gripping means 16th Mistake. A transport of the workpieces in the transport direction is also here by a suitable coordinated movement the first carriage 1 in the X direction possible.

In the second device shown in Figs. 6a to 6d two transport devices T1 and T2 are provided. their Drive modules AM1, AM2 or AM21, AM22 are again at the Outside of the frame 14 attached. The transport bar 15 and another transport bar 18 are in a plane each other arranged opposite. The transport beams 15 or 18 are here again provided with gripping means 16. In this case, the gripping means 16 are referred to as so-called Passive gripping elements executed, d. H. they are in theirs Shape corresponding to the shape of the transported Workpieces 17 executed. The workpieces are 17 of gripped two gripping elements by means of the transport beams 15, 18 are moved towards each other. FIGS. 8a to 8d show the sequence of movements when using two inventive Transport devices T1, T2. To transport the Workpieces 17 in the X direction, it is necessary here, too the movements of the first carriage 1 of the drive modules AM21 and AM22 of the further transport device T2 matched with the movements of the first carriage 1 of the drive modules AM1, AM2 of the transport device T1. The control the movements of the first carriage 1 can be controlled by a program Activation of the respective drive device, in particular of the electric motors.

Fig. 7 shows a schematic diagram of a third device. there are second slide 19 slidably held on the transport bar 15. The carriage 19 fulfills the function of the second Coupling element 9. The links 7 are here in another Coupling element 20 is pivotally held, which on the frame 14th is appropriate. The coupling element 20 may be in the Z direction be movably mounted. The further coupling element 20, the Handlebar 7 and the second carriage 19 form here again a parallelogram actuator PL. In the one shown in Fig. 7 third device is the movement of the transport bar 15 not by an active movement of the second Carriage 19, but by an external drive device 21, with which the transport bar 15 in both X and is also movable in the Y direction. The external drive device 21 has a slidable in the second carriage guided coupling bar 23, which in turn on the Clutch K is releasably connected to the transport bar 15. But it can also be that instead of the drive device 21, the second carriage 19 each have a drive device to move on the transport bar 15 have. An undesirable Deflection of the transport bar 15 is also here by its inclusion by means of Parallelogrammstelltriebe invention PL significantly reduced.

Fig. 8a shows again as a schematic diagram of the arrangement of Handlebar 7 of the first device. In Fig. 8b is an alternative Arrangement of the handlebar 7 reproduced. In any case the links 7 are arranged so that they move during a movement of Transport bar 15 pivoted in opposite directions become.

FIGS. 9a to 9d again show the sequence of movements in FIG first device (see also Fig. 5a to 5d).

Fig. 10 shows a plan view of a fourth device. Here are in opposing arrangement on the frame 14 of a press P respectively first AM1 and second drive modules AM2 attached. The first AM1 and second drive modules AM2 each have the second coupling element. 9 on, by means of the coupling K with the transport bar 15th is connectable.

In the embodiment shown in Fig. 10, the Coupling K mutually corresponding coupling elements on. The coupling elements could be a clamping, latching or Form plug connection. So can one of the coupling elements as a extending from the second coupling element 9 with be formed undercut projection provided in a corresponding trained on the transport bar 15 provided recess can be inserted. The each other Corresponding coupling elements can in particular also have conical or bevelled surfaces, so that thus a rigid connection between the second coupling element 9 and the transport bar 15 can be produced.

As is further apparent from Fig. 10, the transport bar is 15 is formed in its length smaller than a distance A, in an X-direction between two the frame 14 forming Pillars is formed. From Fig. 10 but it is also apparent that the transport bar 15 between the Columns can be pivoted if its length is equal or to a certain extent greater than the distance A is.

The transport bars 15 are shown in FIG fourth device separated from the second coupling elements 9. In one near the one end of the transport beams 15 provided recess pins 22 are retracted. The Pins 22 are part of a not shown here Swivel device. The pins 22 can by means of the pivoting device for example, hydraulically, pneumatically and / or electrically raised and provided in the on the transport bar 15 retracted cylindrical recesses.

The function of the device is as follows:

For changing a generally designated by the reference W Tool is first by means of a pivoting device the pin 22 in the corresponding cylindrical Recess retracted on the transport bar 15. The for recording of the pin 22 suitable recess can also in a For example, attached to the side of the transport beam (here not shown) device may be provided. The provision such a device attached to the transport bar separately ensures a particularly high rigidity of the Transport bar 15. With the retraction of the pin 22 in the cylindrical recess is the transport bar 15 in his Location fixed. Subsequently, the second coupling elements 9 of the drive modules AM1 and AM2 by means of the couplings K from Transport bar 15 solved. The second coupling elements 9 can by means of the drive modules AM1 and AM2 from the transport bar 15 be driven away. Subsequently, the transport bar 15 about the pin 22 in a direction perpendicular to the X direction be pivoted. The swivel device is like this designed so that the moment exerted by the transport bar moment is recorded. Thus the tool W is released and can be changed.

As shown in Fig. 10, both may be opposed to each other Transport bar 15 pivoted away from the tool W. become. This allows an exchange of the tool W z. B. by means of a translation table.

Of course, it is also possible, instead of the in Fig. 10 extending in the Z direction spigot 22 a pin 22 provide, which the transport beam 15 in the Y direction be upheld. In this case, the transport bar 15 are then pivoted in an X-Z plane. - Instead of Of course, pins 22 can also be other suitable ones Shooting be provided which a pivoting movement of the Transport bar 15 allow about an axis, which within the press P, in particular in the vicinity of the coupling elements 9 runs. This eliminates the need for moving tables for removal and installation of the transport bar 15th

LIST OF REFERENCE NUMBERS

1

first sled

2

toothed belt

3

toothed washer

4

first electric motor

5

Z-rail

6

second sled

7

handlebars

8th

first pivot bearing

9

coupling element

10

second pivot bearing

11

carrier

12

Z-guide

13

second electric motor

14

frame

15

transport bar

16

gripper

17

workpiece

18

further transport beams

19

second sled

20

another coupling element

21

driving device

22

spigot

23

tie beam

T1

transport means

T2

further transport device

AM1, AM2

Drive modules of the first transport device

AM21, AM22

Drive modules of the second transport device

P

Press

PL, PL1, PL2

Parallelogrammstelltrieb

W

Tool

K

clutch

Claims (34)

Device for transporting workpieces (17) in an X-direction with at least one transport device (T1, T2) which can be attached to a frame (14) of a processing device and which has at least one by means of a first drive (AM1, AM2) in X and Y positions. Direction movable transport bar (15), wherein the transport bar (15) at its one end by means of a first clutch (K) releasably connected to the first drive (AM1, AM2),
characterized in that
a pivoting device is provided with which the transport bar (15) can be pivoted in the state released from the first drive (AM1, AM2). Device according to one of the preceding claims, wherein the pivoting device is substantially in a Z-direction having running pivot axis. Device according to one of the preceding claims, wherein the transport beam (15) at its other end by means of a second clutch (K) detachable with a second drive (AM2) connected is. Device according to one of the preceding claims, wherein the pivoting device releasably attachable to the transport bar (15) is. Device according to one of the preceding claims, wherein the pivoting device comprises means for pivotally holding the Transport bar (15) in one of the drives (AM1, AM2) has dissolved state. Device according to one of the preceding claims, wherein the means for pivotally holding one in one on the transport bar (15) provided receiving engaging pin (22). Device according to one of the preceding claims, wherein the pivoting device a transport bar (15) with a the drive (AM1, AM2) has connecting hinge. Device according to one of the preceding claims, wherein the first (AM1) and / or second drive (AM2) a parallelogram actuator (PL1, PL2). Device according to one of the preceding claims, wherein the Parallelogrammstelltrieb (PL1, PL2) in opposite Arrangement of a first (6) and a second coupling element (9) which has at least two attached in parallel Handlebars (7) are interconnected. Device according to one of the preceding claims, wherein the first coupling element (6, 20) on a linear movement device attached or is part of the same. Device according to one of the preceding claims, wherein the first coupling element (6, 20) a first sliding element (6) forms the linear movement device. Device according to one of the preceding claims, wherein the second coupling element (9) by means of the first and / or second coupling (K) with the transport bar (15) connectable is. Device according to one of the preceding claims, wherein the linear motion device is perpendicular to the direction of movement the first sliding element (6) movable second Sliding element (1), on which the first sliding element (6) is attached. Device according to one of the preceding claims, wherein the first (6) and / or second sliding element (1) on a linear guide guided carriage is. Device according to one of the preceding claims, wherein the first (6) and second sliding element (1) in the manner of a Cross slide are formed. Device according to one of the preceding claims, wherein at least one first drive device (13) for movement the first (1) and / or second sliding element (6), preferably in the Z direction, is provided. Device according to one of the preceding claims, wherein at least one second drive device (4) for movement the first (1) and / or second sliding element (6), preferably in the X direction, is provided. Device according to one of the preceding claims, wherein the first (6) and / or second sliding element (1) by means of a toothed belt (2) with the first (13) and / or second Drive device (4) is connected. Device according to one of the preceding claims, wherein the first (6) and / or second sliding element (1) on one Linear motor are attached. Device according to one of the preceding claims, wherein the second coupling element (9, 19) linearly movable on a Coupling bar (23) is mounted and the transport bar (15) by means of the first and or second coupling (K) on the coupling bar (23) is attached. Device according to one of the preceding claims, wherein on the transport bar (15) gripping means (16) for gripping the workpieces (17) to be transported are provided. Device according to one of the preceding claims, wherein the handlebars (7) of a first Parallelogrammstelltriebs (PL1) during a movement of the transport bar (15) in the Y direction opposite to the links (7) of a second parallelogram actuator (PL2) are pivotable. Device according to one of the preceding claims, wherein at least one sliding guide for receiving the first (1) and / or second sliding elements (6) is provided. Device according to one of the preceding claims, wherein the sliding guide / s on the frame (14) of a processing device (P) is attached / are. Device according to one of the preceding claims, wherein the sliding guide / s within the frame (14) or outside attached to the frame (14) is / are. Device according to one of the preceding claims, wherein opposite the first transport device (T1), preferably in a mirror image arrangement another Transport device (T2) according to one of the preceding claims is arranged. Device according to one of the preceding claims, wherein a length of the transport bar (15) is dimensioned so that he is in the X-Y plane between columns of the processing device (P) is pivotable. Device according to one of the preceding claims, wherein opposite the transport bar (15) one in X and Y-direction movably held further transport bar (15) is provided. Device according to one of the preceding claims, wherein the further transport bar (15) corresponding to the transport bar (15) is formed. Device according to one of the preceding claims, wherein at least one to move the other transport bar (15) provided further drive (AM1, AM2) accordingly the first or second drive (AM1, AM2) is formed. Method for removing or installing a tool (W) and / or a transporting beam (15) in a device according to one of the preceding claims, comprising the following steps: a) providing a pivoting device on the transport bar (15), b) separating the transport bar (15) from the first drive (AM1, AM2), c) pivoting of the transport bar (15) and d) removal or installation of the tool (W) and / or the transport bar (15). The method of claim 31, wherein the transport bar (15) around a substantially Z- or Y-direction Axis is pivoted. The method of claim 31 or 32, wherein the transport bar (15) at step lit. b additionally from the second drive (AM2) is disconnected. A method according to any one of claims 31 to 34, wherein the Transport bar (15) in the X-Y plane in one between columns the processing device (P) formed gap is pivoted.

Images