JPS61203243A - Machine tool capable of being mainly used for cutting work - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to a machine tool that can be used for cutting, and the machine tool has a fixed drive shaft for driving a workpiece in each operating position, a tool magazine, a tool changer, and a tool cassette. and the tool force set has at least one each
In addition to receiving and movable by a tool changer from a magazine position to an operating position and vice versa, the operating position is provided with a tool spindle connected to a drive shaft.

Known machine tools of this type have a tool magazine, which comprises a plurality of removably mounted tool cassettes, in each of which one or more tools are received. The tool cassette has a tool spindle that is connectable to a drive shaft, thereby achieving engagement between the tools received within the tool cassette and the drive shaft at the same time. When performing a tool changer, a tool cassette containing the desired tools is positioned to arrive at the tool changer section, where it is loaded into the tool changer. The changer takes out all tool cassettes that receive tools from the tool magazine and transfers them to the next drive shaft.

The disadvantage of this is that preparing a large number of tools requires storing many tool cassettes inside the tool magazine. However, this has a relatively complex construction, comprising a holder for the tool to be received, a rotatably supported tool spindle and a coupling device for coupling to the drive shaft, and it and the machine tool as a whole are relatively expensive. . Another disadvantage is that the known tool magazines take up a relatively large amount of space and have a large volume, since the tool cassettes to be received are relatively large and have a relatively large weight. Therefore, the size of the machine tool is also greatly influenced by the dimensions of the tool magazine. The design dimensions of the tool cassette generally limit the number of tools that can be stored inside the tool magazine. The increase in storage capacity is
This can only be achieved by increasing the size of the tool magazine, which is disadvantageous.

An object of the present invention is to eliminate the above-mentioned drawbacks, and to create a machine tool in which a tool magazine is configured to be small and compact even with a large storage capacity, and the tool magazine can accommodate tools easily and at low cost. That's true.

This purpose is such that the tool magazine has a tool holder without a spindle and that the tool displacement portion engages the tool magazine to displace tools between the tool holder remaining in the magazine and the tool cassette in the magazine position. This is achieved using a configuration that includes: In other words, the tool holder has the advantage that during the storage and preparation of the tools, it performs no other functions, but only roughly receives the tools inside the magazine. For this reason, it has a simple structure and can be manufactured at extremely low cost. Furthermore, it has significantly smaller design dimensions than known tool cassettes, so that a greater storage density can be achieved inside the tool magazine. Compared to the storage capacity of comparable known machine tools, the tool magazine according to the invention is significantly smaller and more compact.

Other advantageous embodiments of the machine tool according to the invention are described in the claims.

The embodiment according to claim 2 allows a rapid positioning of the tool to be removed from the tool magazine. At the same time, with this configuration, the weight of the stored tools is essentially equalized, so that the displacement forces required for positioning the tool magazine are reduced to a minimum.

Haku's embodiment as set forth in claim 3 has the advantage that even though the manufacturing cost of the tool holder is low, the tool can be easily attached, and the tool is reliably supported in the installed state. is.

Further embodiments according to claims 4 to 5 enable a reliable transfer of each tool between the tool cassette in the magazine position and the tool magazine.

Other embodiments, mainly as claimed in claim 6, are characterized in that the gripping device is integrated into a program-controlled machining process of a machine tool. The embodiment allows for an advantageous arrangement of the tool changer, and the distance traveled by the changer during rough tool change is minimized, so that the time intervals for the transfer are kept to a minimum.

The embodiment according to claim 10 minimizes the required number of tool cassettes, so that the production costs of the machine tool according to the invention are extremely low.

Moreover, there is no deceleration dead time, and machining tools can be changed extremely quickly.

Another embodiment according to claim 11 allows a significant increase in the number of tools that can be stored. This embodiment opens up the possibility of starting from the basic model of the machine tool and providing various modified versions in the production and operation of the machine tool according to the invention. A second magazine with a tool cassette allows
Alternatively, it can be operated without leaning and with a relatively large number of tool cassettes. This allows for the addition of a wide variety of modified machine tools that have virtually identical structural parts without the use of expensive bearing devices.

The other embodiments according to claims 12 to 14 are mainly of the compact type, which type allows easy design and manufacture of the machine tool.

The machine tool according to the invention will be explained in detail below with reference to the accompanying drawings.

First of all, FIG. 1 shows a machine tool according to the invention. It has a bed and/or a workpiece table 1, the workpiece table comprising a workpiece carriage, on which a workpiece, shown in dotted lines, can be fixed. . In the illustrated embodiment, the workpiece carriage 2 is movable in the coordinate direction of a horizontally extending plane as shown by the arrow.

A transverse carriage 6 is located behind the bed 1, which is movable by means of a guide device at right angles to the direction of movement of the workpiece carriage 2 and also horizontally. The direction of movement of this horizontal carriage 6 defines a second coordinate axis, which is indicated by the arrow 5.
Supported by

The rough machine tool comprises a tool head 9 attached to the transverse carriage 6 via a guide 10, which tool head is parallel to the axial axis 11 of the guide 10 and has a first 4 and a second 5 coordinate axis. can be moved at right angles to This direction of movement is indicated by the arrow 8, which at the same time represents the third coordinate axis of the machine tool. That is, the machine tool is a so-called three-coordinate machine, and in this machine tool, the machining tool 12 fixed to the tool head 9 and the workpiece 3 can mutually shift the ball coordinate axes.

Roughly, the tool head 9 is connected to the horizontal carriage 6 via the support 13.
being led to. As shown in FIG. 2, a tool magazine 14 is provided on the side of the support extending from the bed 1, and this tool magazine stores a plurality of machining tools 12. These tools 12 can be moved by means of a tool changer 15 to a tool changer 16 which, in order to change the tools engaged in a drive shaft or drive spindle 21 located in the tool head 9,
Becomes receptive to tools.

Next, each component of the machine tool according to the present invention will be explained in detail.

The tool changer 16, like the tool head 9, is in contact with the shaft 11 of the guide 10. This tool changer performs a rotational movement as shown by an arrow 60 and a reciprocating movement as shown by an arrow 61 with respect to this axis. In the stop position, the tool changer 16 is adjacent to or placed on the upper surface of the tool head 9. This tool changer has axis 1
1, two supporting arms 17, 17- projecting in the radial direction relative to the supporting arms 17, 17-, each having a coupling device 18, 18- at both radial free ends of the supporting arm. are in each case one so-called tool cassette 19
are combinable. Figure 1 shows both coupling devices 18.18
= shows a state in which one tool cassette is attached to each. In this state, the installed tool cassette 19 and tool changer 16 are together and their longitudinal section is U.
The opening 20 of the U faces towards the tool head 9. The tool head 9 is designed for this purpose in such a way that in the rest position it is at least somewhat lowered inside the opening 20. The tool changer 16 at the stop position extends in the vertical direction substantially parallel to the first coordinate axis 4, so that one support arm 17- extends in the direction of the workpiece carriage 2 and the tool magazine 14. The support arm 17' is arranged so that the other support arm 17' faces the direction shown in FIG.

A support arm 17 pointing in the direction of the workpiece carriage 2 supports a mounted tool cassette in the operating position, in which it supports a mounted tool cassette, in which the tool cassette 19 The tool received therein engages with a drive shaft and/or drive spindle 21 located inside the tool head 9, which is represented in dotted lines in the schematic diagram.

In general, the tool cassette 19 has a tool spindle, not shown, which is connectable to the drive shaft 21 and engages with the received tools.

The tool cassette mounted on the second support arm 17' is in a magazine position in which this support arm can be equipped with tools from the tool magazine 14.

The operation of the tool changer 16 is as follows. Assuming that one tool cassette 19 is connected to each of the support arms 17 and 17 and that no tools are attached to the two force sets, the tool is first taken out from the tool magazine 14 by the tool replacement section 15. , roughly inserted into the inside of the tool cassette 19 mounted on the support arm 17' at the magazine position. The operation of the replacement section 15 will be explained in detail below. Following this movement, the tool changer 16 undergoes a reciprocating movement, during which it is lifted by the tool head in the longitudinal direction of the shaft 11 until it emerges from the opening 20. This condition is shown in dotted lines at 22. A rotational movement 1800 then takes place around the axis 11, so that following this rotational movement, the two supporting arms 17, 17- are completely reversed in their position. Following this, the tool changer 16 is again lowered to its rest position shown in FIG. 1, so that it is in the state shown. The tool 12 received inside one tool cassette 19 engages on the one hand the drive shaft 21 and on the other hand, also by means of the displacement part 15, a second empty tool cassette 19
can be equipped.

It is easy to see that the tool changer 16 allows the machining tool to be changed extremely quickly and easily, so that even while the workpiece 3 is being machined, the tool 12 can be changed inside the tool cassette 19 facing the tool magazine 14. be.

Mainly as shown in FIG. 2, the tool magazine 14 is as shown below.
It can be seen that it is formed as an endless conveyor 23. This endless conveyor 23 is mainly an endless conveyor chain 26 shown in a schematic diagram, and the compare chain 26 consists of four conveyor rollers 24 such as gears.
The four rotation axes 25 of the conveyor rollers extend parallel to each other and are arranged at right angles to the plane receiving the compare chain 26.

Because the four rotating shafts 25 are located at the four corners of the assumed quadrangle for the purpose, the winding conveyor belt as a whole has a quadrangular shape with rounded corners. For clarity, only one of the conveyor rollers 24 is shown in FIG. 2; the other conveyor rollers are indicated by their axes of rotation. Of course, this configuration is not absolute; for example, it is also conceivable to have only two conveyor rollers 24 arranged at a distance from each other, in which case the winding conveyor rollers would have an oval shape. Furthermore, it is not certain to use a single chain as an endless conveyor; a belt-shaped conveyor can also be used. At least one of the conveyor rollers 24 is a driven conveyor roller which, when rotating, is connected to the endless conveyor 24.
Perform the conveyance movement in step 3.

On its conveyor side 27 opposite the conveyor rollers 24, the endless conveyor 23 of the tool magazine 14 is provided with a plurality of tool holders 28 arranged in series in the conveying direction, which tool holders
is fixed to.

In one embodiment of the endless conveyor 23, for example as a conveyor chain 26, each tool holder 28 is shown attached to each knuckle shaft of a chain link of the conveyor chain 26 via a stud 29. In this case, the number of tool holders in the tool magazine corresponds to the number of chain links of the conveyor chain. However, the tool holder 28 can also be attached in other ways, for example by being attached to the chain link itself, for example by welding.

The tool holder 28 of the tool magazine 14 is mainly characterized by a simple structure. This tool magazine has, as it were, only one tool bag 30, which can receive the engaging parts of the tools and, depending on the purpose, may be provided with a simple support device, for example a latching device, so that it can be kept in the stored state. The tool can be removed and reliably latched. This is not shown in detail. That is, tool holder 2
8's sole purpose is that the tool 12 to be stored is received in a stored state in a non-lost and easily removable manner. This is because the tool holder 28 is smaller than the tool cassette 19, which mainly receives tools, and can be manufactured at low cost.

As roughly shown in FIGS. 1 and 2, the tool magazine 14 is attached to the support 13 so that the endless conveyor 23 is mainly located in the same or parallel plane with the cassette in the magazine position. There is. In the exemplary embodiment, the surface carrying the endless conveyor extends parallel to the axis 11 and, for the purpose, perpendicularly.

The above-described replacement section 15 is provided for transferring tools between the tool cassette 19 attached to the tool changer 16 at the magazine position and the tool magazine 14. This displacement part has a catch 32 which is movable parallel to the direction of the axis 11 via a console 31 and which has a clamping part 33 which can be attached to the tool holder 28 or the tool cassette 19. Used to secure tools that have been The structure and operation of the clamping part 32 are as follows.
This will be explained in detail below with reference to the figures and FIG.

Depending on the purpose, the tool magazine 14 may be replaced by a tool changer 16.
In this position, the side and rear views (FIGS. 1 and 2) are positioned at the bottom of the tool changer 16. Mainly, the arrangement is such that each tool cassette 19 in the magazine position is located on the same surface as the surface holding the endless conveyor 23. In this case, the endless conveyor 23, which is mainly rectangular, has both long sides extending at right angles to the axis 11, and the conveying side of the side adjacent to the tool changer 16 also faces the tool changer 16. There is.

Each cassette in the magazine position is positioned on a vertical line above the center of the long side (FIG. 2), depending on the purpose. In order to replace tools from the tool magazine 14 to the tool changer 16, the replacement section 15 uses an endless conveyor 23.
Each tool located at the center of the upper long side is removed from the corresponding tool holder 28 and the tool is moved parallel to the axis 11 to the tool changer.

In the following, for the sake of clarity, the position where the replacement part 15 is located in the tool magazine 14 part and where tools can be taken out will be referred to as the storage part position of the replacement part 15, and will be referred to as the replacement part 16 part. The position where the tool cassette 19 is located and where a tool can be installed inside the tool cassette 19 is referred to as the changer position.

The movement of passing the tool between the magazine and the changer is a reciprocating movement, and this movement is driven by the operating cylinder 3.
4, the operating cylinder of which is mounted in or on the support 13 and whose piston rod operates together with an extension 35 of a console 31, which console is connected to a vertical guide. guided by. The longitudinal axis of the operating cylinder 34 extends parallel to the axis 11 and parallel to the longitudinal direction of the vertical guide. For this purpose, the vertical guide 36 is provided with an entrestopper (not shown) which stops the reciprocating movement in the changer position and in the storage position.

In the following, the tool delivery device and/or the clamping device 32 of the replacement section will be explained in detail mainly with reference to FIGS. 3 and 4.

First, FIG. 4 shows the storage position of the replacement part 15, in which the replacement part is arranged such that the tool 12 can be attached to and removed from and/or into the tool holder 28. It is in the position.

As first shown in the figure drawn in solid lines, there is a section of the console 31 that has been cut away, and this console is provided with a guide rail 37 on its upper surface extending horizontally in the direction of the coordinate axis 4 (FIG. 4). There is. In this direction, the attachment/detachment device for the tool 12, which also relates to tool support, is located. The guide rail 37 is provided with a guide device 38 such as a dovetail guide.
The clamping portion 33 is slidably supported in the vertical direction of the guide rail 37 via the guide rail 37 . At the same time, the piston rod 39 of the operating cylinder 40 arranged parallel to the guide rail 37 engages with the clamping part, so that a horizontal movement of the clamping part is possible by the operation of the operating cylinder.

The gripping part 33 projects from the guide rail 37 at a substantially right angle and points upwardly in the direction of the tool changer 16 . The protruding free end 44 of the clamping part 33 is formed as a fixed clamping jaw 41, as shown in FIG. works. Both clamping jaws are located on the same plane, and this plane determines the swing plane of the clamping part 43 that can be roughly swung. The free ends 44 of the two clamping jaws 41, 43 are provided with clamping recesses 45, which have an arcuate or semicircular contour for the closed position of the clamps.

(The extendable clamping jaw 43 is a two-armed lever mounted so that it can be taken left and right, and the longer lever arm or clamping arm 46 extends from the rotation axis 42 in the direction of the free end 44. In addition, the actuating arm 47, the shorter lever arm, faces in the opposite direction.The clamping arm 46 operates together with an actuating rod 48, which extends parallel to the swinging plane and Swingable clamping jaw 4
The side facing 3 is slidably supported inside a blind hole 49 inside a fixed gripping jaw 41 which is concave. A compression spring 50 is further arranged between the end of the blind hole and the actuating rod 48, which compression spring is supported on the one hand on the end of the blind hole and on the other hand on the actuating rod 4B, which actuating rod is This acts on the swingable clamping jaws 43 and urges them to the open position. On the other hand, the actuating arm 47 of the photographable clamping jaw 43 operates together with a pressure rod 51, which is also located vertically inside the operating hole 52 provided in the fixed clamping jaw 41 in the same plane as the blind hole 49. It is supported so that it can slide. A pressure medium can be supplied to this hole through a groove or a conduit 53 and is adapted to act on the axial end of the pressure rod 51 remote from the actuating arm 47 . The following will briefly explain the process of passing the tool out of the tool magazine and into the tool cassette 19 attached to the loading position of the tool changer 16 of this tool magazine.

A clamping device 32 fixed to the console is provided adjacent to the tool magazine, on the side of the tool magazine opposite the bed 1. In order to receive the tool 12 from the tool holder 28 provided on a vertical line below the tool cassette 19 to be installed, the clamping part 33 is located at the position shown in solid lines in FIG. A tool is fixedly received between the clamps 41 and 43. This condition is also shown at the bottom of FIG. In order to close the clamping jaws, pressure is applied to the pressure rod through the conduit 53, which causes the pressure bar 51 to act on the actuating arm of the swingable clamping jaw 43, so that the clamping jaws are spring-loaded. While being held in its closed position against the force 50,
A part of the tool is held by the holding recess 45. To ensure reliable support of the tool 12, the tool holder 2
The coupling part 54 of the tool 12, which operates together with the tool 8, has a mounting slot 55 into which the two gripper openings 41 and 43 enter. When the seal is clamped, a sliding movement along the guide rail 37 away from the tool magazine 14 is performed by the working cylinder 40 until the coupling part 54 of the tool 12 is removed from the tool holder 28. This condition is indicated by a dashed line at 56 in FIG. Here, the reciprocating movement of the displacement part 15 caused by the operating cylinder 34 continues. Therefore, the longitudinal axis 5 of the coupling part is coaxially aligned with the insertion opening 58 of the tool cassette 19 to be installed.
7 is located, the tool 12 and its coupling portion 54
Lifting of the clamping device 32 takes place indirectly in the vertical direction on the vertical guide 36 until the position is reached. Here operating cylinder 40
operates, the piston rod 39 comes out, and the clamping part 3
3 moves toward the tool cassette. At the final position of this movement, the coupling part 54 is received inside the fitting opening 28 of the tool cassette 19 and is not latched. A reduction in the pressure within the conduit 53 takes place, so that
The swingable clamping jaw 43 shifts to the open state under the action of the compression spring 50, in which state the clamping jaw 43 holds the tool 1.
Release 2. This condition is shown in broken lines in the upper part of FIG. Then, since the fixed clamping jaw 41 is still inserted into the slot 55, a lowering of the replacement part 15 is optionally carried out in order to separate the clamping part from the tool area. However, this descent is not absolutely necessary. This is usually followed by the respective machining tool change carried out by the tool changer 16, in which the tool changer 16 begins to operate and the tool 12 received in the tool cassette 19 is moved into the clamping recess 45. removed from the section. When the next tool changing operation is completed, the tool that had been facing the workpiece 3 is received in the clamping recess 45. This tool is then returned to the tool magazine, for which purpose the displacement unit 15 operates in a manner opposite to that described above.

As mentioned above, the tool cassette 19 is the tool changer 1.
It is removably attached to 6. However, it is also possible to fix the cassette and the changer, which does not impair the performance of the machine tool according to the invention.

For other embodiments of the machine tool according to the invention, a removable connection between the tool cassette and the tool changer 16 is an absolute requirement. This embodiment will be explained below mainly with reference to FIG. In this case, the machine tool has a second so-called cassette magazine 62, which comprises:
A plurality of tool cassettes 19.19- are stored and prepared. This cassette magazine 62 is likewise designed as an endless conveyor 63, which roughly surrounds the tool magazine 14. That is, the surface on which the endless conveyor 23 of the tool magazine 14 runs is arranged parallel to the surface on which the endless conveyor 63 of the cassette magazine 62 is received.

The endless conveyor 63, like the tool magazine 14, is wound around a roller 64, and the support shafts 65 of the roller are similarly arranged at the corners of the assumed quadrangle, with a large distance from each other.

Therefore, the outline of the endless conveyor 63 is a rectangle with rounded corners. The conveyor strands located mainly between the two support shafts 65 are located between the rotary shafts 25 and are parallel to the conveyor strands of adjacent tool magazines. Coaxial arrangement of the cassette and tool magazine is also possible.

The tool cassettes 19, 19' accommodated in the cassette magazine 62 are removably attached to the endless conveyor on the side remote from the tool magazine, and are arranged in series when viewed from the conveying direction of the endless conveyor 63. and are spaced a little apart from each other. Mainly, the cassette is removably attached to a mounting insert 66 fixed to the endless conveyor 63, and the mounting insert is
It projects radially and perpendicularly outward from this endless conveyor 63 (see also the dashed diagram in FIG. 1).
. The conveyor strand 67, which is arranged between the tool magazine 14 and the tool changer 16, has a constant spacing with respect to the support arm 17' of the tool changer 16 in each loading position, which support arm extends in the conveying direction. This corresponds exactly to the height of the tool cassette 19.19" measured at right angles to the height of the tool cassette 19.19.
′ works together. That is, the tool cassette 19 directly below the support arm 17- is always automatically connected to that support arm. When the cassette magazine 62 stops at this position, the cassettes are removed and replaced by the tool changer operation described above.

The combination of cassette magazine 62 and tool magazine 14 has the main advantage of large storage capacity. Since the tool cassette 19 attached to the tool changer and the replacement section can always operate together, the operation of the replacement section 15 has the advantage that it is independent of the arrangement of the cassette magazine 62.

The tool magazine 14 has the advantage that it can be installed in known machine tools which already have magazines for receiving cassettes in the manner described above. This has the advantage of allowing additional equipment to be added without spending much money to improve storage capacity and flexibility. In general, this is a significantly lower outlay than the corresponding increase in the number of tool cassettes.

The machine tool described above, of course, merely represents one embodiment. The tool magazine and/or cassette magazine and displacement section according to the invention can of course also be used, for example, in machine tools having tool displacement sections 16 of other constructions. This can be configured, for example, as a so-called turret tool changer, which can support several tool cassettes simultaneously. There are also many possibilities for the structure of the displacement part; other embodiments include, for example, the configuration of the displacement part in the form of a second tool changer, which is arranged between the magazine position of the cassette and the tool magazine. It is located in

[Brief explanation of drawings]

Fig. 1 is a side view of a machine tool according to an embodiment of the present invention, Fig. 2 is a rear view of a machine tool according to an embodiment, Fig. 3 is a partial enlarged view of the dotted line part (■) in Fig. 2, and Fig. 4 is a 1 is a partially enlarged view of the tool delivery device in the dotted line portion 1v in FIG. 12...Tool 14.62...Tool magazine 15...Tool replacement part 19.19''...Tool cassette 23...Endless conveyor 26...Compare chain 28...Tool holder 30...・Tool bag 32... clamping device 33... clamping part

Claims (1)

[Claims] 1. The tool magazine (14) has a tool holder (28) without a spindle, and the tool magazine (14) has a tool holder (28) without a spindle.
4) The tool (12) is placed between the tool holder (28) that remains inside and the tool cassette (19) in the magazine position.
) is characterized in that the tool replacement part (15) is engaged with the tool magazine (14), and a fixed drive shaft, a tool magazine, a tool changer, respectively, which drive the tools in the operating position, respectively. a tool cassette for receiving at least one tool, the tool cassette being movable by a tool changer from a magazine position to an operating position and having a tool spindle connected to a drive shaft in the operating position; Machine tools that can be used for cutting. 2 The tool magazine (14) is, for example, a conveyor chain (
The machine tool according to claim 1, comprising an endless conveyor (23) such as 26), and a tool holder (28>) arranged in parallel in the tool magazine. 3. The tool holder (28) is a tool bag ( 30), and each tool (12) can be inserted into the tool bag so as to be removably attached thereto.
The machine tool according to item 1 or 2. 4 Holding device (3) that supports each tool (12) during replacement
The machine tool according to any one of claims 1 to 3, wherein 2) is provided in the tool replacement section. 5. The machine tool according to claim 4, wherein the clamping device (32) is movable parallel to the insertion device of the tool (12). 6. The clamping device (32) has a pneumatically, hydromatically or electromagnetically operable clamping part (33),
Machine tool according to claim 4 or 5, wherein the gripping part is used for gripping a tool (12). 7 Claims 1 to 6, in which the clamping device (32) is capable of linear movement between a position facing the tool magazine (14) and a position facing the tool cassette (19) in the magazine position. Any of the machine tools listed. 8 The tool replacement part (15) has a console that carries a clamping device (32), and the console has a clamping device (32).
8. A machine tool according to claim 7, wherein the machine tool is slidably mounted for linear motion. 9. The machine tool according to any one of claims 1 to 8, wherein the tool magazine (14) is located below the tool cassette (19) in the magazine position and is mainly located on the same plane as the tool cassette. 10. The machine tool according to any one of claims 1 to 9, wherein the tool changer (16) comprises two tool cassettes (19) attached to each other. 11 has two tool magazines, the first magazine (14) of the tool magazines has a tool holder (28) without a spindle, the second magazine (62) is movable to the magazine position, and Tool cassettes (19, 19') that can be removably attached to the tool changer (16)
A machine tool according to any one of claims 1 to 9. 12 The first magazine (62) is connected to the second magazine (14
) The machine tool according to claim 11. 13. The machine tool according to claim 12, wherein both magazines (14, 62) coaxially face each other. 14. Machine tool according to claim 12 or 13, in which both magazines (14, 62) are located in one parallel or common plane.