JP7302387B2 - Machining system - Google Patents

Description

The present invention relates to processing systems.

For example, Japanese Patent Application Laid-Open No. 2008-221402 (Patent Document 1) discloses a vertical lathe system that includes a vertical lathe and a work transfer device that carries a work in or out of a machining area of the vertical lathe. .

Japanese Patent Application Laid-Open No. 2008-221402

In the vertical lathe system disclosed in Patent Literature 1 described above, a dedicated work transfer device is used to carry a work into or out of the machining area of the vertical lathe. For this reason, in a machining system including work transfer between machine tools, there is a problem that the cost required for work transfer increases.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-described problems, and to provide a machining system capable of realizing workpiece transfer between machine tools at low cost.

A machining system according to the present invention includes a first machine tool and a second machine tool arranged horizontally with the first machine tool. Each of the first machine tool and the second machine tool includes a first tool post that holds a tool and turns around a first axis extending in the vertical direction, and a first machine tool and a second machine tool that hold the tool. a second tool post that revolves around a second axis extending in the direction in which the machine tools are arranged; a workpiece is held from above; the workpiece is rotated around a third axis that extends vertically; and a headstock that is slidable in the direction in which the machine is lined up. A first tool post of the first machine tool includes a holding portion that moves in a circumferential direction around a first axis as the first tool post rotates and can hold a workpiece. The headstock of the first machine tool is positioned directly above the first turret of the first machine tool when moved to the first slide end closest to the second machine tool. When the headstock of the second machine tool has moved to the second slide end closest to the first machine tool, the headstock of the first machine tool has moved to the first slide end, and the headstock of the first machine tool is on the opposite side of the first axis. position, directly above the first tool post of the first machine tool.

According to the machining system configured as described above, the first tool post of the first machine tool is rotated about the first axis while the work is held by the holding portion. Thus, the workpiece can be transferred between the headstock of the first machine tool and the headstock of the second machine tool. As a result, the first tool post of the first machine tool is used for workpiece transfer between the first machine tool and the second machine tool, so workpiece transfer can be realized at low cost.

Moreover, preferably, the holding part includes a mounting surface on which the workpiece can be mounted.
According to the machining system configured in this way, in the first tool post of the first machine tool, it is possible to further simplify the configuration of the holding portion for holding the workpiece.

Further, preferably, the holding section includes a gripping mechanism capable of gripping the workpiece.
According to the machining system configured in this way, it is possible to more reliably hold the workpiece when the first tool post of the first machine tool is swiveling.

As described above, according to the present invention, it is possible to provide a machining system capable of realizing workpiece transfer between machine tools at low cost.

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows the processing system in embodiment of this invention. Figure 2 is a side view of the machining system looking in the direction indicated by arrow II in Figure 1; FIG. 2 is a top view showing the processing system in FIG. 1; FIG. 2 is a perspective view showing part of the processing system in FIG. 1; FIG. 2 is a front view showing a first step of machining a workpiece using the machining system in FIG. 1; 2 is a front view showing a second step of machining a workpiece using the machining system in FIG. 1; FIG. 3 is a front view showing a third step of machining a workpiece using the machining system in FIG. 1; FIG. FIG. 11 is a front view showing a fourth step of machining a workpiece using the machining system in FIG. 1; FIG. 11 is a front view showing a fifth step of machining a workpiece using the machining system in FIG. 1; FIG. 11 is a front view showing a sixth step of workpiece machining using the machining system in FIG. 1; FIG. 7 is a top view showing the processing system as seen in the direction of arrows on line XI-XI in FIG. 6; FIG. 9 is a top view showing the processing system as seen in the arrow direction on line XII-XII in FIG. 8; It is a perspective view which shows the modification of a holding|maintenance part. It is another perspective view which shows the modification of a holding|maintenance part.

An embodiment of the invention will be described with reference to the drawings. In the drawings referred to below, the same or corresponding members are given the same numbers.

FIG. 1 is a front view showing a machining system according to an embodiment of the invention. FIG. 2 is a side view of the machining system looking in the direction indicated by arrow II in FIG. 3 is a top view showing the processing system in FIG. 1. FIG. 4 is a perspective view showing part of the processing system in FIG. 1. FIG.

1 to 4, the machining system according to the present embodiment has a first machine tool 10A and a second machine tool 10B. In the drawing, the internal structures of the first machine tool 10A and the second machine tool 10B are shown by seeing through the cover body forming the appearance of the first machine tool 10A and the second machine tool 10B.

In this specification, the first machine tool 10A and the second machine tool 10B are referred to as the "machine tool 10" when they are described without particular distinction. In addition, reference numbers for the first machine tool 10A are suffixed with "A", and reference numbers for the second machine tool 10B are suffixed with "B". Further, when the configuration relating to the first machine tool 10A and the configuration relating to the second machine tool 10B are described without particular distinction, the reference numbers do not have the suffixes "A" and "B".

Further, in this specification, an axis parallel to the left-right direction (width direction) of the machine tool 10 and extending in the horizontal direction is referred to as an "X-axis". The axis extending in the direction is called the "Y-axis", and the axis extending in the vertical direction is called the "Z-axis". The right direction in FIG. 1 is called "+X axis direction" and the left direction is called "−X axis direction". In FIG. 1, the back direction of the paper surface is called "+Y-axis direction", and the front direction is called "-Y-axis direction". The upward direction in FIG. 1 is called the “+Z-axis direction” and the downward direction is called the “-Z-axis direction”.

The machine tool 10 is a lathe that performs work machining by bringing a tool into contact with a rotating work. The machine tool 10 is an NC (Numerically Controlled) machine tool in which various operations for machining a workpiece are automated by numerical control by a computer.

The first machine tool 10A and the second machine tool 10B are provided side by side in the horizontal direction. The first machine tool 10A and the second machine tool 10B are arranged side by side in the X-axis direction. The second machine tool 10B is positioned in the +X-axis direction when viewed from the first machine tool 10A. A workpiece (intermediate workpiece) machined by the first machine tool 10A is transferred to the second machine tool 10B. The second machine tool 10B is provided downstream of the first machine tool 10A in the work conveying direction.

The first machine tool 10A and the second machine tool 10B have the same structure. The machine tool 10 has a bed 11 , a guide stand 21 , a saddle 24 , a column 28 , a headstock 31 , a first tool post 41 and a second tool post 51 .

The bed 11 is a base member for supporting the guide stand 21, the saddle 24, the column 28, the headstock 31, the first tool post 41, the second tool post 51, etc., and is installed on the floor 100 of a factory or the like. there is The bed 11 is made of metal such as cast iron.

Bed 11 has a bottom portion 13 and a rising portion 12 . The bottom part 13 lies on the floor surface 100 . In the top view shown in FIG. 3, the bottom portion 13 has a rectangular shape. The bottom portion 13 is fixed to the floor surface 100 using anchor bolts (not shown) or the like. The bottom portion 13 has a bottom surface 14 . The bottom surface 14 faces downward and faces the floor surface 100 .

The rising portion 12 rises upward from the rear end portion of the bottom portion 13 . The rising portion 12 has a vertical wall shape standing on the floor surface 100 . The riser 12 has side surfaces 15 . The side surface 15 consists of a plane orthogonal to the Y-axis direction. The side surface 15 faces forward (-Y axis direction).

A guide stand 21 is attached to the bed 11 . The guide base 21 is attached to the upper end portion of the rising portion 12 .

The guide table 21 is provided so as to be biased in the −X-axis direction with respect to the bed 11 . More specifically, the guide base 21 has a first end 21p and a second end 21q. The first end 21p corresponds to the end of the guide base 21 in the −X-axis direction, and the second end 21q corresponds to the end of the guide base 21 in the +X-axis direction. The guide base 21 extends in the X-axis direction from the first end 21p to the second end 21q. The first end 21p is provided at a position protruding from the bed 11 in the -X-axis direction. The second end 21 q is provided at a position directly above the bed 11 .

With such a configuration, the guide base 21 has the projecting portion 22 . The projecting portion 22 is a portion of the guide table 21 arranged at a position projecting from the bed 11 in the -X-axis direction. A projecting end of the projecting portion 22 is provided with a first end portion 21p. The projecting portion 22 is not supported by the bed 11 (rising portion 12). The guide table 21 is provided with an overhang structure having a projecting portion 22 projecting from the bed 11 in the X-axis direction.

A stepped portion 16 is provided at the upper end portion of the rising portion 12 . The stepped portion 16 continues to the second end portion 21 q of the guide base 21 . The step portion 16 forms a step in the vertical direction with respect to the guide base 21 . The stepped portion 16 does not support the guide base 21 .

The second end 21q of the guide stand 21A and the first end 21p of the guide stand 21B face each other in the X-axis direction. The second end portion 21q of the guide stand 21A and the first end portion 21p of the guide stand 21B face each other with a gap therebetween. As shown in FIG. 4, the projecting portion 22 of the guide table 21B overlaps the stepped portion 16 of the bed 11A in the vertical direction (Z-axis direction). The projecting portion 22 of the guide base 21B is arranged at the stepped portion formed by the stepped portion 16 of the bed 11A.

A saddle 24 is attached to the guide base 21 . A saddle 24 is provided on the guide base 21 . The saddle 24 is provided slidably in the X-axis direction with respect to the guide base 21 . The guide table 21 and the saddle 24 are appropriately provided with a feed mechanism, a guide mechanism, and a servomotor as a drive source for enabling the saddle 24 to slide in the X-axis direction.

A column 28 is attached to the saddle 24 . A column 28 is provided on the saddle 24 . The column 28 is provided slidably in the Y-axis direction with respect to the saddle 24 . The saddle 24 and the column 28 are appropriately provided with a feed mechanism, a guide mechanism, and a servomotor as a drive source for enabling the column 28 to slide in the Y-axis direction.

The headstock 31 is configured to be able to rotate the work. The headstock 31 is configured to hold a workpiece from above.

More specifically, the headstock 31 has a spindle 32 . The main shaft 32 is rotationally driven around a rotation center axis 130 (third axis) parallel to the Z-axis. The rotation center axis 130 extends vertically. The spindle 32 is provided at the lower end of the headstock 31 . The main shaft 32 is provided above the bottom portion 13 . The spindle 32 is provided with a chuck 33 for detachably holding the workpiece.

A headstock 31 is attached to the column 28 . The headstock 31 is provided in front of the column 28 . The headstock 31 is provided slidably in the Z-axis direction with respect to the column 28 . The column 28 and the headstock 31 are appropriately provided with a feed mechanism, a guide mechanism, and a servomotor as a drive source for enabling the headstock 31 to slide in the Z-axis direction.

By sliding movement of the saddle 24 in the X-axis direction, sliding movement of the column 28 in the Y-axis direction, and sliding movement of the headstock 31 in the Z-axis direction, the position of the workpiece held by the spindle 32 is changed to the machining area. It can be moved in three dimensions.

The first tool post 41 and the second tool post 51 are configured to be able to hold the tool T. The first tool post 41 and the second tool post 51 are configured to be able to hold a plurality of tools T. As shown in FIG. It should be noted that only one tool T is shown in each of the first tool post 41 and the second tool post 51 in FIGS.

The first tool post 41 and the second tool post 51 are attached to the bed 11 . The first tool post 41 and the second tool post 51 are fixed to the bed 11 (rising portion 12). The first tool post 41 and the second tool post 51 are fixed to the side surface 15 at a position spaced upward from the bottom surface 14 (bottom portion 13).

The first tool post 41 and the second tool post 51 are turret-type tool posts. The first tool post 41 can turn around a turning center axis 110 (first axis) parallel to the Z axis. The turning center axis 110 extends vertically. The second tool post 51 can turn around a turning center axis 120 (second axis) parallel to the X-axis. The turning center axis 120 extends in the X-axis direction in which the first machine tool 10A and the second machine tool 10B are arranged.

A turning center axis 110, which is the turning axis of the first tool post 41, and a rotation center axis 130, which is the work rotating axis in the headstock 31, are parallel to each other. A turning center axis 120, which is the turning axis of the second tool post 51, and a rotation center axis 130, which is the work rotating axis in the headstock 31, are orthogonal to each other.

The first tool post 41 has a tool post base 42 and a turret 43 . The tool post base 42 is fixed to the bed 11 (rising portion 12). The tool post base 42 protrudes forward from the side surface 15 . The tool post base 42 incorporates a driving mechanism such as a motor and gears for rotating the turret 43 .

The turret 43 is provided above the tool rest base 42 . The turret 43 has a disk shape whose thickness direction is the axial direction of the turning center axis 110 . The turret 43 is connected to a drive mechanism built into the tool rest base 42 .

A plurality of tools T are held side by side in the circumferential direction of the turning center shaft 110 on the outer peripheral surface of the turret 43 . The turret 43 revolves around a revolving central axis 110 by power transmission from the tool rest base 42 . As the turret 43 rotates, a plurality of tools T held by the turret 43 move in the circumferential direction of the rotation center axis 110 . As a result, one of the plurality of tools T held by the turret 43 is indexed as the tool to be used for machining the workpiece.

The second tool post 51 has a tool post base 52 and a turret 53 . The tool post base 52 is fixed to the bed 11 (rising portion 12). The tool rest base 52 protrudes forward from the side surface 15 . The tool post base 52 incorporates a driving mechanism such as a motor and gears for rotating the turret 53 .

The turret 53 is provided on the side of the tool rest base 52 . The turret 53 is provided adjacent to the tool post base 42 in the X-axis direction. The turret 53 has a disk shape whose thickness direction is the axial direction of the turning center axis 120 . The turret 53 is connected to a drive mechanism built into the tool rest base 52 .

A plurality of tools T are held side by side in the circumferential direction of the turning center shaft 120 on the outer peripheral surface of the turret 53 . The turret 53 revolves around a revolving central axis 120 by power transmission from the tool rest base 52 . As the turret 53 rotates, a plurality of tools T held by the turret 53 move in the circumferential direction of the rotation central axis 120 . As a result, one of the plurality of tools T held by the turret 53 is indexed as the tool to be used for machining the workpiece.

In the top view shown in FIG. 3, the first tool post 41 is shown to be aligned with the second end portion 21q of the guide table 21 in the Y-axis direction. In the top view shown in FIG. 3 , a straight line extending in the Y-axis direction passing through the turning center axis 110 of the turret 43 overlaps with the stepped portion 16 . In the top view shown in FIG. 3, the second tool post 51 is shown to be aligned with the guide stand 21 in the Y-axis direction.

As shown in FIG. 1, the first tool post 41 and the second tool post 51 are provided side by side in the X-axis direction. The tool post base 52 is positioned between the turret 53 and the first tool post 41 (tool post base 42, turret 43) in the X-axis direction. The turret 43 is provided above the second tool post 51 (the tool post base 52, the turret 53). The turret 43 is positioned above the turning center axis 120 of the turret 53 .

As shown in FIG. 3, the turning center axis 110 of the turret 43 is located on a straight line extending the turning center axis 120 of the turret 53 in the X-axis direction.

The turret 43 and the turret 53 incorporate a motor for rotating a rotating tool such as a drill when the tool is held. A motor may be built in only one of the turret 43 and the turret 53 . Moreover, the turret 43 and the turret 53 may be configured to have only fixed tools attached thereto.

The first tool post 41A further has a holding portion 61 . The holding part 61 is configured to be able to hold a work. The holding part 61 moves in the circumferential direction around the turning center axis 110 as the first tool post 41A turns.

More specifically, the holding portion 61 has a block body 63 . The block body 63 is held on the outer peripheral surface of the turret 43 . The block body 63 is held side by side with a plurality of tools T in the circumferential direction of the turning center shaft 110 . The holding part 61 moves along with the plurality of tools T in the circumferential direction of the turning center axis 110 as the turret 43 turns.

The block body 63 has a mounting surface 62 . The mounting surface 62 is configured so that a workpiece can be mounted thereon. The mounting surface 62 is composed of a horizontal surface facing upward. The mounting surface 62 is composed of the top surface of the block body 63 .

5 to 10 are front views showing steps of workpiece machining using the machining system in FIG. FIG. 11 is a top view showing the processing system as viewed in the direction of arrows on line XI-XI in FIG. FIG. 12 is a top view showing the processing system as viewed in the direction of arrows on line XII-XII in FIG.

5 to 12, headstock 31 is slidable in the X-axis direction, which is the direction in which first machine tool 10A and second machine tool 10B are arranged. More specifically, the headstock 31 slides in the X-axis direction as the saddle 24 slides relative to the guide table 21 in the X-axis direction.

The headstock 31 slides between a first slide end, which is the end in the +X-axis direction, and a second slide end, which is the end in the -X-axis direction.

The headstock 31A is closest to the second machine tool 10B in the X-axis direction when moved to the first slide end, and is farthest from the second machine tool 10B in the X-axis direction when moved to the second slide end. When the headstock 31A moves to the second slide end, the saddle 24A is positioned on the projecting portion 22 of the guide stand 21A. The headstock 31B is furthest in the X-axis direction from the first machine tool 10A when moved to the first slide end, and is closest to the first machine tool 10A in the X-axis direction when moved to the second slide end. When the headstock 31B moves to the second slide end, the saddle 24B is positioned on the projecting portion 22 of the guide stand 21B.

6 and 11, the first tool post 41A is turned so that the holding part 61 is arranged on the -X-axis direction side when viewed from the turning center axis 110. In the step of machining the workpiece shown in FIGS. The headstock 31A is positioned directly above the first tool post 41A (holding portion 61) when moved to the first slide end closest to the second machine tool 10B. The headstock 31A is positioned directly above the first tool post 41A (holding portion 61) on the -X-axis direction side when viewed from the turning center shaft 110. As shown in FIG. The headstock 31A faces the holding portion 61 of the first tool post 41A in the vertical direction (Z-axis direction).

8 and 12, the first tool post 41A is turned so that the holding portion 61 is arranged on the +X-axis direction side when viewed from the turning center axis 110. In the step of machining the workpiece shown in FIGS. The headstock 31B is positioned directly above the first tool post 41A (holding portion 61) when moved to the second slide end closest to the first machine tool 10A. The headstock 31B is positioned directly above the first tool post 41A (holding portion 61) at a position opposite to the headstock 31A, which has moved to the first slide end, across the pivot shaft 110. The headstock 31B is positioned directly above the first tool post 41A (holding portion 61) on the +X-axis direction side when viewed from the turning center axis 110. As shown in FIG. The headstock 31B faces the holding portion 61 of the first tool post 41A in the vertical direction (Z-axis direction).

Next, the flow of work machining using the machining system shown in FIG. 1 will be described. Referring to FIG. 5, a workpiece W is held by a chuck 33 in a headstock 31A. While rotating the main shaft 32, the saddle 24A is slid in the X-axis direction, the column 28A is slid in the Y-axis direction, and the headstock 31A is slid in the Z-axis direction. Thereby, the workpiece W is machined by contacting the tool T held by the first tool post 41A and/or the tool T held by the second tool post 51A.

Referring to FIG. 6, by rotating the first tool post 41A about the center axis of rotation 110, the holding portion 61 is arranged on the -X-axis side when viewed from the center axis of rotation 110. As shown in FIG. By sliding the headstock 31A in the +Z-axis direction, moving the saddle 24A in the +X-axis direction, and appropriately sliding the column 28A in the Y-axis direction, the headstock 31A is brought closest to the second machine tool 10B. It is arranged so as to face the holding portion 61 in the Z-axis direction while being moved to one slide end. The intermediate workpiece Wm obtained in the previous step is positioned directly above the holding portion 61 .

Referring to FIG. 7, headstock 31A is slid in the −Z-axis direction until intermediate workpiece Wm abuts on holding portion 61. Referring to FIG. In the headstock 31A, the chuck 33 releases the intermediate workpiece Wm. Thereby, the intermediate workpiece Wm is mounted on the mounting surface 62 of the block body 63 in the holding portion 61 . The headstock 31A is slid in the +Z-axis direction.

Referring to FIG. 8 , by rotating the first tool rest 41A about the center axis of rotation 110 by 180°, the holding part 61 is arranged on the +X-axis side when viewed from the center axis of rotation 110 . The headstock 31B is arranged to face the holding portion 61 in the Z-axis direction while being moved to the second slide end closest to the first machine tool 10A. The intermediate workpiece Wm held by the holding portion 61 is positioned directly below the headstock 31B.

Referring to FIG. 9, headstock 31B is slid in the −Z-axis direction until intermediate workpiece Wm is accommodated inside chuck 33. Referring to FIG. In the headstock 31B, the chuck 33 holds the intermediate workpiece Wm. The headstock 31B is slid in the +Z-axis direction. On the other hand, a new workpiece W is held by a chuck 33 in the headstock 31A.

Referring to FIG. 10, in headstock 31A, workpiece W is machined by bringing workpiece W into contact with tool T held by first tool post 41A and/or tool T held by second tool post 51A. do. In the headstock 31B, the intermediate workpiece Wm is machined by contacting the tool T held by the first tool post 41B and/or the tool T held by the second tool post 51B.

According to such a configuration, the headstock 31A and the headstock 31B are rotated by turning the first tool post 41A about the turning center axis 110 while holding the work by the holding portion 61 on the first tool post 41A. Work can be transferred between As a result, the first tool post 41A, which was originally provided to hold the tool T, is used to transport the work between the first machine tool 10A and the second machine tool 10B, so that the work can be transported at a low cost. can be realized.

Moreover, the holding part 61 has a mounting surface 62 on which a work can be mounted. With such a configuration, the holding portion 61 for holding the workpiece in the first tool post 41A can be realized with a simpler configuration.

In addition, the holding part in the present invention may be composed of the turret 43 of the first tool post 41A. In this case, by placing the work on the top surface of the turret 43, the work can be transferred between the headstocks 31A and 31B.

Also, in the present embodiment, the case where the machining system has two machine tools 10 has been described, but the present invention is not limited to this, and a configuration in which three or more machine tools are arranged may be employed. For example, in the machining system according to the present embodiment, when a third machine tool is provided adjacent to second machine tool 10B in the +X-axis direction, the first tool post 41B of second machine tool 10B Workpieces can be transferred between the second machine tool 10B and the third machine tool.

13 and 14 are perspective views showing modifications of the holding portion. 13 and 14, the holding portion 61 in this modified example further has a gripping mechanism portion 66. As shown in FIG. The gripping mechanism 66 is provided on the mounting surface 62 of the block 63 . The gripping mechanism section 66 is configured to be able to grip a workpiece.

More specifically, the gripping mechanism section 66 has a pair of gripping claws 66s and 66t and a drive mechanism (not shown). The gripping claws 66s and the gripping claws 66t have a claw shape capable of gripping a workpiece therebetween. The gripping claws 66s and the gripping claws 66t are provided on the mounting surface 62 of the block body 63 so as to face each other. A drive mechanism is built in the block body 63 . The drive mechanism slides the gripping claws 66s and the gripping claws 66t so that the distance between them increases or decreases.

According to such a configuration, the workpiece can be held more reliably when the first tool post 41A is turned.

It should be considered that the embodiments disclosed this time are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the scope of the claims rather than the above description, and is intended to include all modifications within the scope and meaning of equivalents of the scope of the claims.

INDUSTRIAL APPLICABILITY The present invention is applied to a machining system having a plurality of machine tools.

10 machine tool, 10A first machine tool, 10B second machine tool, 11, 11A bed, 12 rising portion, 13 bottom portion, 14 bottom surface, 15 side surface, 16 stepped portion, 21, 21A, 21B guide base, 21p first end Part 21q Second end 22 Projection 24, 24A, 24B Saddle 28, 28A Column 31, 31A, 31B Headstock 32 Spindle 33 Chuck 41, 41A, 41B First tool post 42, 52 tool post base, 43, 53 turret, 51, 51A, 51B second tool post, 61 holding part, 62 mounting surface, 63 block body, 66 gripping mechanism part, 66s, 66t gripping claw, 100 installation surface, 110, 120 turning central axis, 130 rotating central axis.

Claims (3)

a first machine tool;
A second machine tool provided in parallel with the first machine tool in the horizontal direction,
each of the first machine tool and the second machine tool,
a first tool post that holds a tool and pivots about a first axis that extends vertically;
a second tool post that holds a tool and pivots about a second axis that extends in the direction in which the first machine tool and the second machine tool are arranged;
a headstock that holds a work from above, rotates the work around a vertically extending third axis, and is slidable in the direction in which the first machine tool and the second machine tool are arranged;
The first tool post of the first machine tool includes a holding portion that moves in a circumferential direction about the first axis as the first tool post rotates and can hold a workpiece,
the headstock of the first machine tool is positioned directly above the first tool post of the first machine tool when moved to a first slide end closest to the second machine tool;
When the headstock of the second machine tool has moved to the second slide end closest to the first machine tool, the headstock of the first machine tool that has moved to the first slide end is the same as the headstock of the first machine tool. A machining system positioned directly above the first tool post of the first machine tool at a position on the opposite side of the axis. 2. The processing system according to claim 1, wherein said holding portion includes a mounting surface on which a workpiece can be mounted. 3. The processing system according to claim 1, wherein said holding section includes a gripping mechanism capable of gripping a workpiece.

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