EP2058255B1 - Device for shaking a good in the form of sheet layers - Google Patents

Description

The invention relates to a device for shaking material present in sheet layers, with a mounted in a base frame table for receiving the Guts, at least two adjacent sides of the table associated, lateral stops for the good, wherein the displaceable in a vibratory movement Table vertically movable by means of adjusting means and at least in the direction of the two stops is tilted.

In such a device, also called vibrating table, the possibility of inclining the table in the direction of the lateral stops serves the purpose of aligning the individual sheets lying on the table with an edge-to-edge accuracy. These sheets are, for example, those made of paper or foil. Thus, the sheets can easily move to each other, the material is released before shaking, especially in a separate device. After shaking, the air between the individual sheets is spread out by means of a separate air-spreading device. The stack is therefore after the venting as a compact block and can be supplied to a subsequent cutting station, for example. The shaking of the Guts usually takes place in that the inclined table is placed in a vibratory motion. The spreading of the air is usually done by a lowerable to the good roller, which is rolled over the good and thus squeezes the air from the stack.

A device with the features of the type mentioned is from the EP 0 614 840 A1 known. There, the table is vertically movable by means of adjusting means and at least in the direction of the two stops tilted. The device has a resting on a foot console for the table. The console is fork-shaped, with two lateral guides and a central, first lifting cylinder. A flange portion of the bracket receives a pivotable about an axis bearing element. Spaced to the axis engages the bearing element on a second lifting cylinder, which is mounted on a projection on the guide and movable with the first lifting cylinder. A device for generating a vibratory movement of the table is pivotable about a further axis arranged perpendicular to the further axis. For pivoting serves a third lifting cylinder, on the one hand spaced from the pivot point of the table on the underside, on the other hand engages the bearing element. By means of the first lifting cylinder so that a vertical movement of the table is possible, while the second Lifting cylinder allows a pivoting movement of the table about its one axis and the third lifting cylinder allows pivoting movements of the table about the other axis. The inclinations of the support table for the two axes can of course be superimposed.

In this device, the storage of the table is done centrally, which when tilting the sheet layers significant tilting moments are introduced through the table in the storage of the table. This requires an increased construction costs; Moreover, the components must be dimensioned accordingly strong. The tilting movements of the table take place about axes which are arranged in a central region of the table, whereby this storage area is structurally complex to make. Moreover, this type of storage of the table requires the use of components which are less suitable for standardization.

Other devices for shaking present in sheet layers Good are in the DE 41 30 322 A1 and the DE-AS-1 169 964 described. DD 289 256 A5 discloses a device according to. the preamble of claim 1.

Object of the present invention is to develop a device of the type mentioned so that in a structurally simple design of the device optimal storage of the table is guaranteed, with a storage of the table should be possible by means of standardized components. With the device should be in their operation ergonomically favorable positions, especially for loading the table with good, easy to start.

• Der Tisch ist in in Abstand voneinander angeordneten Bereichen in den Stellmitteln gelagert,
• jedes der Stellmittel ist starr mit dem Grundgestell verbunden und in seiner Länge verstellbar,
• jedes der Stellmittel ist schwenkbar im Tisch gelagert,
• ein Erstes der Stellmittel ist ausschließlich schwenkbar im Tisch gelagert,
• ein Zweites der Stellmittel ist zusätzlich mit einem Bewegungsfreiheitsgrad im Tisch gelagert,
• ein Drittes der Stellmittel ist zusätzlich mit zwei Bewegungsfreiheitsgraden im Tisch gelagert.

To solve this problem, the invention proposes the following features in a device of the type mentioned above:

• The table is mounted in spaced-apart areas in the adjusting means,
• each of the actuating means is rigidly connected to the base frame and adjustable in length,
• each of the adjusting means is pivotally mounted in the table,
• a first of the adjusting means is only pivotally mounted in the table,
• a second of the adjusting means is additionally stored in the table with a degree of freedom of movement,
• a third of the adjusting means is additionally stored in the table with two degrees of freedom of movement.

The invention thus proposes a device in which the storage of the table by means of at least three adjusting means. By three adjusting the storage of the table is determined statically, so that this storage is considered particularly advantageous. In principle, however, with the appropriate control effort, it is also possible to provide more than three actuating means for supporting the table, for example four actuating means in the corner regions of the table, if this is designed in particular as a rectangular plate.

In the device according to the invention it is advantageous that the table is mounted in spaced-apart areas in the adjusting means. There is thus no central storage of the table, but a storage of the table in spaced-apart areas of the table. This avoids that during the shaking of the sheet layers increased moments are introduced through the table in the base frame. The adjusting means, which carry the table, can thus be dimensioned correspondingly smaller.

It is also essential in the device according to the invention that each adjusting means is rigidly connected to the base frame and adjustable in its length. The respective adjusting means is thus firmly connected to the base frame and this results in a stable unit between the base frame and adjusting means. The respective, the base frame remote area of the actuating means serves to receive the table. Due to the length variability of the respective actuating means, the position of the table can be changed relative to the base frame. It is important that the respective adjusting means is pivotally mounted in the table. This pivotal mounting of the actuating means in the table can be done directly or indirectly. The pivotal mounting of the adjusting means in the table makes it possible to pivot the table in any position about two axes. To achieve this, a first of the adjusting means is mounted only pivotally in the table. This means that the table can swing only around the upper end portion of this first actuating means. A second of the adjusting means, however, is stored with a degree of freedom of movement in the table. Furthermore, a third of the adjusting means with two degrees of freedom of movement is stored in the table. This storage of the actuating means requires that a total of pivoting of the table to the two degrees of freedom of movement is possible in solid, exclusively pivotable mounting of the table in the region of the first of the actuating means. As a consequence, due to the adjusting means, in particular because of the preferably provided three adjusting means, the table can be tilted at least in the direction of the two stops of the device. Of course, the table can also be inclined in any other direction due to this configuration and consequently the vibrating table, in a known manner, be provided with a further lateral stop parallel to the other lateral stop, so that shaking the sheet layers in another Corner of the device is possible.

According to a preferred embodiment of the invention it is provided that the adjusting means are arranged parallel to each other. This results in a particularly simple kinematic relationship between the actuating means and the pivoting of the table to the actuating means or, based on the second and third actuating means, the degrees of freedom of movement between the actuating means and the table.

It is provided in particular that the adjusting means are variable in length at the same time, in particular at the same time are variable by the same length.

If, in particular with vertically arranged adjusting means, the adjusting means are simultaneously changed by the same length, the result is a parallel movement of the table in height. This is of particular importance from an ergonomic point of view because the person working on the device can move the table to a comfortable working height. Remains, however, the adjusting means, which has no degree of freedom of movement to the table, but is mounted only pivotally in the table, in its position, can be arbitrarily inclined by simultaneously adjusting the two other actuating means with the associated degrees of freedom of movement of the table. When tilting the table, unless the length of the actuating means is adjusted without a degree of freedom of movement, the edge or side of the table over which the table is loaded will have a different height, which often does not coincide with the support plane of an adjacent table, from which Cutting material to be pulled by the operator on the table of the device according to the invention. In order to transfer such a loading edge of the device according to the invention to a neighboring table favorable level, it is only necessary to change all three adjusting means at the same time by the same length, preferably to shorten, to bring about the leveling between the tables.

According to a structurally particularly advantageous variant of the device is provided that the table is formed as a rectangular plate. Suitably, the table is pivotally mounted in its one side of the table facing corner regions in two of the adjusting means. Preferably, the table is also on its side opposite a table side table side, preferably in the range of half the length of this table side, pivotally mounted in the third adjusting means. In such a concrete storage of the table, the bearing points form the corners of a substantially isosceles triangle.

The respective adjusting means can be designed in different ways; In particular, an electrical, pneumatic or hydraulic adjustment of the table by means of the adjusting means is provided. The respective actuating means can be controlled by means of a controller in order to achieve the desired parallel movement to achieve the table or tilt of the table, these movements may well be superimposed.

In particular, the one degree of freedom of movement of the second and third actuating means runs parallel to the supporting plane of the table for the goods and parallel to one longitudinal side of the table and the other degree of freedom of movement of the third actuating means parallel to the support plane of the table for the good and parallel to a transverse side of the table. As a result, an inclination of the table in two mutually perpendicular spatial axes is possible. These two spatial axes extend in particular perpendicular to the spatial axis, which is defined by the longitudinal extension of the actuating means, thus extending vertically.

The storage with a degree of freedom of movement is preferably effected by means of a linear guide and / or the storage with two degrees of freedom of movement by means of two linear guides forming one unit. This representation of the degrees of freedom of movement by means of linear guides further contributes to the standardization of the components used in the device. In this aspect, the storage of the respective setting part in the table can be seen. This is preferably done by means of a ball joint. Taking into account this ball joint bearing and the different degrees of freedom of movement, the following preferred variants can be represented for the individual actuating means: The first actuating part is mounted directly in the table via the ball joint, whereby there is no degree of freedom of movement between the actuating means and the table. The second adjusting means is mounted on the ball joint in a linear guide, which is connected to the table. As a result, a degree of freedom of movement on the linear guide can be displayed. The third adjusting means is mounted on the ball joint in a linear guide, which is mounted in the other linear guide, wherein the other linear guide is connected to the table. As a result, the two degrees of freedom of movement of this third actuating means can be displayed.

According to a structurally particularly advantageous design of the device is provided that the respective actuating means the actuator with rotatably mounted, drivable and brakable or fixable spindle and cooperating with this mother, and a mother associated with the guide, which is mounted in at least one stationary car is, wherein the upper end of the guide is used for the storage of the table. If a plurality of carriages, in particular two carriages arranged at a distance, are arranged, the guide is guided over a particularly long length and is therefore particularly stable.

Further features of the invention, which is defined in the claims, are set forth in the subclaims, the description of the figures and in the figures themselves.

Figur 1

in einer stark vereinfachten Darstellung die erfin- dungsgemäße Vorrichtung mit horizontal angeordne- tem Tisch,

Figur 2

eine Unteransicht des Tisches mit seitlichen Anschlä- gen und den mit dem Tisch verbundenen Aufnahmen für drei Stellmittel,

Figur 3

die Ansicht der in Figur 1 gezeigten Vorrichtung, aller- dings ohne seitliche Anschläge, bei schräg geneigtem Tisch,

Figur 4

eine Ansicht gemäß Figur 3, bei gegenüber der An- ordnung des Tisches in Figur 3 nach unten parallel verschobenem Tisch,

Figur 5

das bei der Vorrichtung Verwendung findende erste Stellmittel, das ausschließlich schwenkbar im Tisch gelagert ist, teilweise geschnitten dargestellt,

Figur 6

das in Figur 5 gezeigte Stellmittel in einer Seitenan- sicht,

Figuren 7A, 7B

das obere Ende des ersten Stellmittels und dessen Lagerung im Tisch, veranschaulicht in einer Seitenan- sicht und einer Stirnansicht,

Figuren 8A, 8B und 8C

das obere Ende des zweiten Stellmittels und dessen Lagerung im Tisch, veranschaulicht in einer ersten Seitenansicht, einer Draufsicht sowie einer Seitenan- sicht senkrecht zur ersten Seitenansicht,

Figuren 9A, 9B und 9C

das obere Ende des dritten Stellmittels und dessen Lagerung im Tisch, veranschaulicht in einer ersten Seitenansicht, einer Draufsicht sowie einer Seitenan- sicht senkrecht zur ersten Seitenansicht.

In the figures, the invention is illustrated by means of an embodiment, for example, without being limited thereto. It shows:

FIG. 1

in a greatly simplified representation of the device according to the invention with horizontally arranged table,

FIG. 2

a bottom view of the table with lateral stops and the receptacles connected to the table for three actuating means,

FIG. 3

the view of in FIG. 1 shown device, however, without lateral stops, at an inclined table,

FIG. 4

a view according to FIG. 3 , opposite to the arrangement of the table in FIG. 3 down parallel table,

FIG. 5

the device used in use first adjusting means, which is mounted exclusively pivotally mounted in the table, shown partially cut,

FIG. 6

this in FIG. 5 shown adjusting means in a side view,

FIGS. 7A, 7B

the upper end of the first actuating means and its mounting in the table, illustrated in a side view and an end view,

Figures 8A, 8B and 8C

the upper end of the second actuating means and its mounting in the table, illustrated in a first side view, a top view and a side view perpendicular to the first side view,

Figures 9A, 9B and 9C

the upper end of the third actuating means and its storage in the table, illustrated in a first side view, a plan view and a side view perpendicular to the first side view.

The device according to the invention shown in the figures, referred to briefly as the vibrating table 1, serves to shake material present in sheet layers. The vibrating table has a base frame 3 mounted on the floor 2. With this three actuating means are rigidly connected, wherein the first actuating means is denoted by the reference numeral 4, the second actuating means by the reference numeral 5 and the third actuating means by the reference numeral 6. The three adjusting means 4 to 6 are arranged vertically on horizontal base of the base frame 3 on the bottom 2 and movable in the sense of the double arrows A, B and C shown, thus extendable or shortenable.

The adjusting means 4 to 6 take in the region of their upper ends a table 7 of the vibrating table 1 pivotally. The table 7 is plate-shaped and has a rectangular, upper and lower surface 8, wherein the upper surface of the receptacle of the material to be shaken is used.

The vibrating table 1 has perpendicular to the upper surface of the table 7 two lateral, plate-shaped stops 9 and 10, which are arranged in the region of adjacent sides of the table 7. Unillustrated means is the table 7, in particular in the receiving plane of the table 7, in a vibratory movement displaceable in order to shake the present in the operation on the table 7, present in sheet layers Good and align then tilted table 7 at the two lateral stops 9 and 10 edge to edge.

In FIG. 2 schematically illustrates the storage of the adjusting means 4 to 6 in the region of the underside of the table 7, wherein the bearings are denoted by the reference numerals 11, 12 and 13. The bearing 11 for the first actuating means 4 is designed so that the first actuating means is mounted only pivotally in the table 7. The bearing 12 for the second actuating means 5 is designed so that this second actuating means 5 is mounted with a degree of freedom of movement in the table 7. This is illustrated by the double arrow D, which runs parallel to the longitudinal side 14. Due to the bearing 12 is thus the second adjusting means 5 parallel to the longitudinal side 14 of the table 7 in the direction of the double arrow D displaceable. A connecting line of the bearings 11 and 12 extends parallel to the longitudinal side 14 of the table 7 and that adjacent to that longitudinal side which faces away from the stop 10.

On the side facing the stop 10, the bearing 13 for the third actuating means 6 is provided approximately halfway along the stop 10. The third adjusting means 6 is mounted according to the mutually perpendicular double arrows E and F with two degrees of freedom of movement in the table 7. A degree of freedom of movement according to double arrow E is parallel to the degree of freedom of movement D, the other degree of freedom of movement F is perpendicular to the degree of freedom of movement E, wherein the degrees of freedom of movement of the adjusting means 4 to 6 in planes parallel to the receiving plane of the table 7.

Due to the possibility of changing the adjusting means 4 to 6 in their length, the following situation arises: starting from the horizontal position of the adjusting means 4 to 6 according to FIG FIG. 1 all adjusting means at the same time extended by the same length or shortened by the same length, there is a parallel displacement of the table 7 up or down, thus raising or lowering the table in the horizontal position 7. On the other hand, remains as it is in FIG. 3 is shown, the first adjusting means 4 unchanged in its length, and are the second and third actuating means 5, 6 driven in terms of lengthening or length reduction, this leads to a tendency due to the different degrees of freedom of movement of the upper ends of the second and third adjusting means 5, 6 of the table 7 in one direction or in two superimposed directions. For the simplified representation according to the FIG. 3 this is only illustrated for the sheet drawing layer. Shown is the inclination of the table 7 in the plane of the drawing. It can be seen that the right end of the table 7 is lowered down. Accordingly, as illustrated by the double arrow B, the second actuator 5 is shorter in length than the third actuator 6, as illustrated by the double arrow C. When comparing the representation of FIG. 4 to FIG. 1 It can be seen that the left upper edge of the table 7 according to FIG. 3 is due to the pivoting of the table 7 to the unchanged upper bearing point 15 of the first actuating means 4, at a higher level than it is the initial level of the table after FIG. 1 is, which is due to the jump in height the problem of having to pull to be shaken Good on the raised left edge of the table on this. Since this is ergonomically unfavorable, this disadvantage can be remedied by that, as it is in FIG. 4 is shown, the table 7 is lowered in total by retracting the adjusting means 4 to 6 by the same length, as illustrated by the arrows G, with unchanged inclination. This until the goods can be pulled without disturbing edge of a neighboring table on the table 7.

• Bestandteil des Grundgestells 3 ist ein winkelförmiger Grundträger 16. Dieser nimmt im Bereich seines oberen Endes zwei in vertikaler Flucht angeordnete, beabstandete Wagen 17 fest auf, die der Aufnahme und Führung einer vertikal angeordneten Schiene 18 dienen. Mit der Schiene 18 ist eine Mutter 19 fest verbunden. Die Mutter 19 wirkt mit einer vertikal angeordneten Kugelumlaufspindel 20 zusammen. Diese ist über ein Lager 21 drehbar im Grundträger 16 gelagert. Antreibbar ist die Kugelumlaufspindel 20 mittels eines im Grundträger 16 gelagerten Elektromotors 22, der zusätzlich mit einer Bremse versehen ist. Die Ausgangswelle 23 ist mit einem Ritzel 24 versehen, die mit einem Zahnriemen 25 zusammenwirkt. Dieser wirkt mit einem Zahnrad 26 zusammen, das drehfest mit der Kugelumlaufspindel 20 verbunden ist. Über den Elektromotor 22 lässt sich somit die Kugelumlaufspindel 20 in eine Drehbewegung versetzen, womit über die mit der Kugelumlaufspindel 20 zusammenwirkende Mutter 19 die Schiene 18 angehoben bzw. abgesenkt wird.

In the FIGS. 5 and 6 and FIGS. 7A and 7B describe the design of the first actuating means 4 and its mounting 11 in the table 7 in detail:

• Part of the base frame 3 is an angular base support 16. This takes in the region of its upper end two arranged in vertical alignment, spaced carriage 17 fixed, which serve to receive and guide a vertically disposed rail 18. With the rail 18, a nut 19 is fixed connected. The nut 19 cooperates with a vertically arranged ball screw 20. This is rotatably mounted in the base carrier 16 via a bearing 21. The ball screw 20 can be driven by means of an electric motor 22 mounted in the base carrier 16, which is additionally provided with a brake. The output shaft 23 is provided with a pinion 24 which cooperates with a toothed belt 25. This cooperates with a gear 26 which is rotatably connected to the ball screw 20. The ball screw 20 can thus be put into rotary motion by means of the electric motor 22, whereby the rail 18 is raised or lowered via the nut 19 cooperating with the ball screw 20.

The described first actuating means 4 thus has an actuator. The ball screw 20 is driven by the electric motor 22 and can be braked by the electric motor 22 associated brake and not rotatably positioned. Thus, a desired height level of the rail 18 and thus of the table 7 can be adjusted via the actuator.

With the rail 18, a ball joint 27 is connected in the region of the upper end, which is received by a bearing cup 28. This bearing cup 28 is firmly connected in the region of the underside of the table with this, in particular screwed.

From the above description it follows that the rigidly mounted in the base support 16 first actuating means 4 is mounted only in the region of its upper end in the ball joint 27 articulated in the table 7.

The structure of the second actuating means 5 and the third actuating means 6 corresponds, except for the bearing cup 8, that of the first actuating means 4, which in the FIGS. 5, 6, 7A, 7B is illustrated. In this respect, with respect to the representation of the different bearings 12 and 13 in the representations of Figures 8A, 8B and 8C 9A, 9B and 9C are exclusive to the upper end portions of the second and third adjusting means 5, 6 according to the bearings illustrated therein 12 and 13, reference is made. The arrangement of Figures 7B, 8B and 9B Incidentally, for reasons of better clarity according to the arrangement of the local bearings 11, 12 and 13 as shown in FIG FIG. 2 selected.

The Figures 8A, 8B and 8C with respect to the second actuating means 5 show two spaced apart carriages 29 which are fixedly connected to the underside of the table 7. The two carriages 29 are used for the storage and linear guidance of a rail 30, with the underside of the bearing cup 28 is fixedly connected, which receives the ball joint 28 which is connected to the upper end of the rail 18. As a result, a displacement of the bearing cup 28 and thus of the ball joint 27 in the direction of the arrow D is possible. Not shown are any existing stops of the rail 30, which limit the maximum displacement of the rail.

The storage 13 for the third adjusting means 6 has four with the table 7 in the region of the underside firmly connected carriage 29, wherein the two pairs of carriages formed serve the slidable mounting of two mutually parallel rails 30. The two rails 30, which are movable in the direction of the double arrow F back and forth, connects - in the respective region between the two carriages 29 associated with a rail 30 - a plate 31. With this another rail 32 is fixedly connected, which is transverse to the Rails 30 is oriented. The rail 32 receives the bearing cup 28 slidably, in which the ball joint 27 is mounted, which is connected to the upper end of the rail 18 of the third actuating means 6. The rail 32 allows a displacement of the bearing cup 28 in the direction of the double arrow E; the rails 30, the superimposed movements in the direction of the double arrow F. Not shown are any existing stops of the rails, which limit the maximum displacement of the rails.

Thus, the second adjusting means 5 in the region of its upper end by means of a linear guide in the direction of the double arrow D and the third adjusting means 6 in the area its upper end by means of two linear guides according to the double arrows E and F slidably mounted in the table.

The actuation of the adjusting means 4, 5 and 6 takes place automatically, wherein it is only required to achieve defined inclinations of the table 7 about two spatial axes, the second adjusting means 5 and the third adjusting means 6 to shorten or extend by a defined length. A parallel displacement of the table 7 takes place by identical lengthening or shortening of the adjusting means 4, 5 and 6.

Claims (13)

1. Apparatus (1) for shaking material which is present in sheet layers, having a table (7) which is mounted in a base frame (3) for receiving the material, at least two lateral stops (9, 10) for the material which are assigned to adjacent sides of the table (7), it being possible for the table (7) which can be set in a vibration movement to be moved vertically and to be inclined at least in the direction of the two stops (9, 10) by means of actuating means (4, 5, 6), the table (7) being mounted in the actuating means (4, 5, 6) in regions which are arranged at a spacing from one another, characterized in that

   - each of the actuating means (4; 5; 6) is connected rigidly to the base frame (3) and has an adjustable length,

   - each of the actuating means (4; 5; 6) is mounted pivotably in the table (7),

   - a first (4) of the actuating means (4; 5; 6) is mounted exclusively pivotably in the table (7),

   - a second (5) of the actuating means (4; 5; 6) is additionally mounted with a degree (D) of movement freedom in the table (7), and

   - a third (6) of the actuating means (4; 5; 6) is additionally mounted with two degrees (E, F) of movement freedom in the table (7).
2. Apparatus according to Claim 1, characterized in that the actuating means (4, 5, 6) are arranged parallel to one another, in particular are arranged vertically.
3. Apparatus according to Claim 1 or 2, characterized in that the actuating means (4, 5, 6) can have their lengths adjusted simultaneously, in particular can be adjusted simultaneously by the same length.
4. Apparatus according to one of Claims 1 to 3, characterized in that the table (7) is mounted in three actuating means (4, 5, 6).
5. Apparatus according to one of Claims 1 to 4, characterized in that the table (7) is configured as a rectangular plate.
6. Apparatus according to one of Claims 1 to 5, characterized in that one degree (D, E) of movement freedom extends parallel to the supporting plane of the table (7) for the material and parallel to a longitudinal side (14) of the table (7), and the other degree (F) of movement freedom extends parallel to the supporting plane of the table (7) for the material and parallel to a transverse side of the table (7).
7. Apparatus according to one of Claims 1 to 6, characterized in that the table (7) is mounted pivotably in two (4, 5) of the actuating means (4, 5, 6) in corner regions of the table (7) which face one table side (14).
8. Apparatus according to one of Claims 1 to 7, characterized in that the table (7) is mounted pivotably in the third actuating means (6) on its table side which lies opposite the one table side (14), preferably in the region of half the length of the said table side.
9. Apparatus according to one of Claims 1 to 8, characterized in that each of the actuating means (4; 5; 6) has an actuating drive (22, 23, 24, 25, 26, 20, 19, 18).
10. Apparatus according to one of Claims 1 to 9, characterized in that the mounting (12) is brought about with one degree of movement freedom by means of a linear guide (28, 29, 30) and/or the mounting (13) is brought about with two degrees of movement freedom by means of two linear guides (28, 29, 30, 31, 32).
11. Apparatus according to one of Claims 1 to 10, characterized in that the mounting of each of the actuating means (4, 5, 6) takes place directly or indirectly in the table (7) by means of a ball joint (27).
12. Apparatus according to Claim 11, characterized in that the first actuating means (4) is mounted in the table (7) directly via the ball joint (27), and/or the second actuating means (5) is mounted via the ball joint (27) in the one linear guide (28, 29, 30) which is connected to the table (7), and/or the third actuating means (6) is mounted via the ball joint (27) in the one linear guide (28, 31, 32) which is mounted in the other linear guide (29, 30), the other linear guide (29, 30) being connected to the table (7).
13. Apparatus according to one of Claims 9 to 12, characterized in that each of the actuating means (4; 5; 6) has the actuating drive with a rotatably mounted spindle (20) which can be driven and braked, and a nut (19) which interacts with the said spindle (20), and a guide (18) which is connected to the nut (19) and is mounted in at least one stationary carriage (17, 17), the upper end of the guide (18) serving to mount the table (7).

Images