JP2977161B2 - Laser multitasking machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a). BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laser combined machine capable of performing sub-machining such as punching, drilling, tapping, and the like on a plate-shaped work in addition to laser machining.

(B). 2. Description of the Related Art In a conventional multi-tasking machine that performs laser processing and punching, a work and a work support are relatively moved during processing as disclosed in JP-A-2-30332, JP-A-2-30333, and the like. Like that.

That is, when performing laser processing, it is necessary to support the plate-shaped work from below with a large number of work supports such as sword mountains, and when performing punching, a lower mold unit ( Die).

Therefore, in the conventional multi-tasking machine, a work support is fixed around the die, the work and the work support are relatively moved during machining, and the work support supports the work from below. The die is positioned below the portion where the workpiece is to be punched.

(C). Problems to be Solved by the Invention However, in this case, there is no problem in punching, but the work is chattered, vibrated, etc. due to sliding of the work with a low rigidity work. Difficult to do.

Further, in a processing machine that performs only laser processing, as disclosed in Japanese Patent Application Laid-Open No. 63-224893 or the like, the work and the table on which the work support is mounted are integrally moved to thereby cause chattering, vibration, and the like of the work. Has been prevented.

However, it is not possible to employ this as it is in the multi-tasking machine, because the die and the table interfere and the die cannot be positioned below the work. In addition, if the laser processing area and the punch processing area are separated from each other in order to employ this in a multi-tasking machine, the laser processing machine and the punching machine are simply combined, resulting in an increase in the size of the multi-tasking machine. .

In view of the above circumstances, the present invention is capable of performing sub-processing such as punching in addition to laser processing, and performing high-precision laser processing by preventing chattering and vibration of a work. The purpose is to provide a machine.

(D). Means for Solving the Problems According to the present invention, a laser processing head (32) and a sub-processing head (33) are provided so as to be movable in a first movement direction (C, D), and a lower unit (50) is provided. The sub-processing head (3
3) The sub-machining head (33)
The workpiece holding means (10) is provided so as to be movable in the first movement direction (C, D) in synchronization with the laser processing head (32), the sub-processing head (33), and the lower side. Relative to the unit (50), the first movement direction (C,
D) is provided so as to be movable in a second movement direction (A, B) forming a predetermined angle with the first work support device (15).
The first work support device (15) may be provided in a form disposed in front of the lower unit (50), and the first work support device (15) may support the first work support means (16a) from below the work (80). The first work support means (16a) is provided with the first work support means (16a) with respect to the work holding means (10) in the second movement direction (A, B). A first movement drive means (16b, 19, 25) for moving and driving without relative movement is provided, and a second work support device (2
0) is provided behind the lower unit (50), and the second work support device (20) is provided with the second work supporting means (21a), and the work (80) is The second work support means (21a)
Moving the second work support means (21a) in the second movement direction (A, B) without any relative movement with respect to the work holding means (10); Drive means (21b, 23, 25) are provided.

Note that the numbers in parentheses and the like indicate the corresponding elements in the drawings for the sake of convenience, and thus the present description is not limited to the description on the drawings. The same applies to the following column “(e). Action”.

(E). Operation With the above-described configuration, the work supporting means (16a, 21a) for supporting the work (80) held by the work holding means (10) from below does not slide with the work (80).
In addition, the lower unit (5
0) acts so as not to interfere with the work supporting means (16a, 21a).

(F). Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of a laser combined machining apparatus according to the present invention, FIG. 2 is a drive system diagram of a work carriage and a work support device, and FIG. 3 is a combined machining head and a lower mold unit. FIG. 4 is a composite processing head shown in FIG. 3, the IV view of the lower mold unit, and FIG. 5 is a composite processing head shown in FIG. 4, a V view of the lower mold unit. FIGS. 6, 6 and 7 are sectional views showing the sub-machining head and the lower mold unit, FIG. 8 is a plan view showing the tool magazine and the tool changing device, and FIG. 9 is shown in FIG. FIG. 10 is a diagram showing a driving mode of the work support device, and FIG. 11 is a diagram showing an example of sub machining.

As shown in FIG. 1, a laser multi-tasking machine 1 according to the present invention has a base 2, and a work carriage holding portion 3, 3 is provided between the base 2 and the work carriage holding portion 3, 3. The work support devices 15 and 20 described below are provided in a form where an installation space is opened. X-axis rails 3a, 3a are fixedly mounted on the work carriage holders 3, 3 from the front end 2a to the rear end 2c of the base 2 in parallel with the directions of arrows A and B. On the X-axis rails 3a, 3a, a bar-shaped work carriage 10, 10 is provided movably in the directions of arrows A and B (X-axis direction), and on the upper surface 10a of the work carriage 10, A plurality of work clamps 11 are fixed. In FIG. 1, a work clamp 11 is provided for each of the two work carriages 10 and 10, but the work clamp 11 may be provided for only one of the work carriages 10. A carriage drive shaft 12 is rotatably provided on the base 2.
Gears 12a, 12a are fixed to the carriage drive shaft 12, and the gears 12a, 12a mesh with racks 10b, 10b fixed to the lower surfaces of the work carriages 10, 10, respectively. Then, as shown in FIG.
A shaft motor (AC servo motor) 25 is connected.

Further, between the X-axis rails 3a, 3a of the base 2, the front work support device 15 and the rear work support device 20 synchronize the work supports 16a, 21a with the work carriages 10, 10 or independently of each other. The work support devices 15 and 20 are provided with gaps in the directions of arrows A and B so as to form a lower mold unit moving space 28 between the work support devices 15 and 20. It is arranged.
That is, the front work support device 15 is arranged at the front of the base 2 (from the front end 2a to the center 2b), and the rear work support device 20 is at the rear of the base 2 (from the center 2b to the rear end 2).
c) is located. In the center 2b of the base 2, a lower mold unit moving space 28 is provided.
Arrow C perpendicular to the movement direction of 0, 10 (arrow A, B direction)
It is formed parallel to the direction D.

The front work support device 15 is a work support 16a,
It comprises a chain 16b, sprockets 17a, 17b, 17c, 17d, a front support drive shaft 19 and the like. That is, as shown in FIG. 2, sprockets 17a and 17d are provided inside the work carriage holding portions 3 and 3 of the base 2 so as to be rotatable in a form arranged near the central portion 2b. , Sprockets 17b, 17c are rotatably provided in the form of being disposed near the front end 2a. Sprockets 17a, 17b, 17c and 17d have endless chains 16b
However, in a portion facing the work between the sprockets 17a and 17b, the work is stretched so as to be pivotable in the directions of the arrows AF and BF so as to be parallel to the moving direction (the directions of the arrows A and B) of the work carriage 10. Between the chains 16b, 16b, a plurality of plate-shaped work supports 16a are formed at a predetermined pitch (in FIG. 2, some of the work supports 16a are shown), and between the sprockets 17a, 17b. At the work-facing portion, and is straddled so as to protrude upward in the drawing from the chain 16b. Further, a front support drive shaft 19 is rotatably provided on the base 2, and the sprockets 17a, 17a are fixed to the front support drive shaft 19. And
A work support drive motor (AC motor) 26 is detachably connected to the front support drive shaft 19 via a clutch 19b, a sprocket 19a, a chain 23b, and a sprocket 23a. The front support drive shaft 19 includes a sprocket 19c, a chain 12d, a sprocket 12c, and a clutch 12d.
Are connected to the above-mentioned carriage drive shaft 12 so as to be freely disengageable, and include a clutch 19b, a sprocket 19a, and a chain.
It is detachably connected to a rear support drive shaft 23 described later via a sprocket 23a, a sprocket 23a, and a clutch 23c.

The rear work support device 20, like the front work support device 15, includes a work support 21a, a chain 21b, sprockets 22a, 22b, 22c, 22d, a rear support drive shaft 23, and the like. That is, the sprockets 22a and 22d are provided inside the carriage holding portions 3 and 3 of the base 2 at the central portion.
The sprockets 17a and 17d are provided in the vicinity of 2b in such a manner as to be rotatable in such a manner as to be arranged with a gap therebetween.The sprockets 22b and 22c are rotatably provided in the form in which they are disposed in the vicinity of the rear end 2c. It is provided in. sprocket
An endless chain 21b is provided on each of the workpieces 22a, 22b, 22c, and 22d in such a manner as to be parallel to the moving direction of the work carriage 10 (directions of arrows A and B) at a portion of the work facing the sprockets 22a and 22b. It is stretched to be able to move freely in the BR direction. A large number of work supports 21a formed in a plate shape are arranged between the chains 21b, 21b at a predetermined pitch.
In the figure, a part of the work support 21a is shown. ),
At the work facing portion between the sprockets 22a and 22b, it is straddled so as to project upward from the chain 21b in the drawing.
A rear support drive shaft 23 is rotatably provided on the base 2, and the sprockets 22a, 22a are fixed to the rear support drive shaft 23. A work support drive motor 26 is detachably connected to the rear support drive shaft 23 via a clutch 23c. Also,
As already mentioned, the rear support drive shaft 23 is
23c, sprocket 23a, chain 23b, sprocket 19
a, via the clutch 19b, the aforementioned front support drive shaft 19
It is connected to and disengageable.

As shown in FIG. 4 or FIG. 5, a lower mold unit holding portion 5 is provided at a central portion 2b of the base 2, and a Y-axis rail 5a is attached to the lower mold unit holding portion 5 by an arrow. C, D
It is provided in parallel with the direction. On the Y-axis rail 5a, a lower mold unit 50 is provided movably in the lower mold unit moving space 28 between the work support devices 15 and 20 in the directions of arrows C and D (Y-axis direction). A column 6 described later is provided with a Y-axis motor 55, and a ball screw 55c is rotatably connected to the Y-axis motor 55 via a connection shaft 55b. The ball screw 55c is arranged parallel to the directions of arrows C and D, and the lower mold unit 50 is engaged with the ball screw 55c.

At the upper part of FIG. 4 of the lower mold unit 50, a die mounting part 51 is provided. FIG. 6 or FIG.
As shown in the figure, a die mounting pocket 52 is
Alternatively, the dummy die 78 is formed in a semi-cylindrical shape corresponding to the substantially cylindrical outer shape, and is recessed so that the upper and left sides in the figure are open. Then, the die holding member 53 is moved to the die mounting pocket 52.
In the form of opening and closing the left side in the figure, the sub-processing head 33 is provided so as to be rotatable and driven similarly to the tool holding member 37 of the sub-working head 33 described later. The pocket 52 is formed in a semi-cylindrical shape so as to face the pocket 52 and open upward and downward and to the right in the figure. A die 73 or a dummy die 78 is removably mounted in the die mounting pocket 52 in such a manner that the die 73 or the dummy die 78 is pressed and held by the die holding member 53 from the left side in the figure.

The die 73 has a die main body 73a as shown in FIG. 6, and the die main body 73a is mounted on an upper portion of the holder 74 in the drawing. The holder 74 has a substantially cylindrical shape whose outer shape corresponds to the die mounting pocket 52 of the lower mold unit 50 and the holding portion 53a of the die holding member 53, and the outer peripheral surface of the holder 74 is drum-engaged. A groove 74a is provided so as to be able to engage with an inner peripheral end surface of a die storage pocket 62a of a die drum 62 described later, and an arm engaging groove 74b is provided below the drum engaging groove 74a in the drawing. Die holding pocket 67a of exchange arm 67
Are provided so as to be able to engage with the inner peripheral end face of the rim.

Further, as shown in FIG. 7, the dummy die 78 has a dummy die main body 78a, and the dummy die main body 78a is mounted on an upper portion of the holder 79 in the figure. A tap non-interference hole 78b is bored in the dummy die body 78a in the vertical direction in the figure. The holder 79 has a substantially cylindrical outer shape similarly to the holder 74 of the die 73 described above.
A drum engaging groove 79a and an arm engaging groove 79b are provided around the outer peripheral surface of the holder 79.

Above the lower mold unit holding portion 5 of the base 2 in FIG. 5, a column 6 forms a work moving space 8 below the column 6 in the drawing, and the work carriage 10 and the rear work support device described above. It is fixed so as to straddle 20.
The column 6 is provided with a composite machining head 30 including a head carriage 31, a laser machining head 32, a sub machining head 33, etc., in a form arranged above the lower mold unit 50 in FIG. In parallel with the mold unit 50 and in synchronization with the lower mold unit 50, it is provided so as to be movable in the directions indicated by arrows C and D in FIG. 4 (Y-axis direction).

That is, the column 6 is provided with a Y-axis rail 6a parallel to the directions of the arrows C and D. On the Y-axis rail 6a, the head carriage 31 is positioned above the lower mold unit 50 by the arrow C in the drawing. , D (Y-axis direction).
The column 6 is provided with a Y-axis motor 55,
A ball screw 55a is rotatably connected to the Y-axis motor 55. The ball screw 55a is arranged parallel to the directions of the arrows C and D, and the head carriage 31 is engaged with the ball screw 55a.

On the right side of the head carriage 31 in the figure, a laser processing head 32 is provided so as to be vertically movable in the directions of arrows E and F. A laser oscillator (not shown) is connected to the laser processing head 32. I have. On the left side of FIG. 4 of the head carriage 31, a sub-processing head 33 is provided in a form arranged above the die mounting portion 51 of the lower mold unit 50 in the drawing. 33 is a laser processing head 32
5, a tool mounting part 35 provided at the lower part of FIG. 4 and a tool driving part 40 provided at the upper part in FIG. .

That is, in the tool mounting portion 35 of the sub machining head 33, the tool mounting pocket 36 is provided so as to be aligned above the die mounting pocket 52 of FIG. 6 or FIG. The tool mounting pocket 36 has a semi-cylindrical shape corresponding to the drum engaging grooves 72a and 77a provided on the outer peripheral surface of the punch tool 70 or the tapping tool 75 described later, and has an upper and lower opening in the drawing. The head carriage 31 has a concave shape. A tool holding member 37 is provided so as to be rotatable around the pin 36a in the directions of arrows I and J in FIG. In FIG. 8, the laser processing head 3
2. Illustration of a tool driving unit 40 described later is omitted. 6), the tool holding member 37 has a holding portion 37a which is formed in a semi-cylindrical shape in which the upper and lower sides and the left side are opened in a semi-cylindrical shape so as to face the tool mounting pocket 36. I have. A punch tool 70 or a tapping tool 75 is removably mounted in the tool mounting pocket 36 in such a manner that the punch tool 70 or the tapping tool 75 is pressed and held by the tool holding member 37 from the left in the figure.

The punch tool 70 has a punch body 71 as shown in FIG. 6, and the punch body 71 is mounted on a holder 72. That is, the punch body 71 has the head 71b and the striking surface 7
1a each projecting upward and downward in the figure from the holder 72,
The holder 71 can move up and down in the directions of arrows S and R, and the spring 71
It is mounted on the holder 72 while being pressed in the direction of the arrow S by c. The outer shape of the holder 72 is substantially cylindrical, and the outer peripheral surface of the holder 72 has a drum engaging groove 72.
a is provided so as to be able to engage with the tool mounting pocket 36, the holding portion 37a of the tool holding member 37, and the inner peripheral end surface of the tool storage pocket 61a of the tool drum 61 described below, and the drum engaging groove 72a In the lower part of the figure, an arm engaging groove 72b is provided so as to be able to engage with an inner peripheral end face of a tool holding pocket 66a of the tool exchange arm 66 described later.

In addition, as shown in FIG. 7, the tapping tool 75
It has a rotating shaft 76, and the rotating shaft 76 is mounted on a holder 77. That is, a tap 76a is fixed to the lower end of the rotating shaft 76 in the drawing, and a clutch 76b is fixed to the upper end of the rotating shaft 76 in the drawing. The rotating shaft 76 is rotatable in the directions of arrows T and U, and is movable up and down in the directions of arrows S and R with respect to the holder 77, with the clutch 76b and the tap 76a projecting upward and downward in the figure from the holder 77, respectively. Thus, it is mounted on the holder 77 while being pressed in the direction of the arrow S by the spring 76c.
The holder 77 has a substantially cylindrical outer shape similarly to the holder 72 of the punch tool 70 described above, and a drum engaging groove 77a and an arm engaging groove 77b are formed on the outer peripheral surface of the holder 77. Has been established.

As shown in FIG. 3 or FIG. 4, the tool holder 40 of the sub-machining head 33
The head carriage 31 is provided rotatably in the directions of arrows G and H with respect to the head carriage 31 around the center (CL). And
A driving device moving cylinder 42 is provided on the head carriage 31.
The driving device moving cylinder 42 is provided with a rod 42a, which is protruded and retractable in the directions of arrows GD and HD, and the rod 42a is connected to the driving device via a pin 41b. It is pivotally attached to the holding member 41.

On the drive device holding member 41, a punching cylinder 43 and a tap elevating cylinder 46 are aligned with the tool mounting pocket 36 of the tool mounting portion 35 described above in FIG. 6 or FIG. As shown, it is fixed at the same radial distance from the center CL of the rotation shaft 41a of the driving device holding member 41.

That is, as shown in FIG. 6, on the driving device holding member 41, the punching cylinder 43 is positioned at a position where the radial distance from the center CL of the rotating shaft 41a on the head carriage 31 becomes the same as the tool mounting pocket. It is fixed. The striker 43a is provided on the punching cylinder 43 such that the lower end of the striker 43a protrudes downward from the drive device holding member 41 (that is, the tool mounting pocket 36 side) so as to be vertically drivable in the directions of arrows SP and RP. Have been.

As shown in FIG. 7, on the driving device holding member 41, a tap elevating cylinder 46 has a radial distance from the center CL of the rotating shaft 41a on the head carriage 31 similarly to the above-described punching cylinder 43. It is fixed at the same position as the tool mounting pocket 36. And tap lifting cylinder
In 46, a piston 46a is provided so as to be able to move up and down in the directions of arrows ST and RT.
Are connected integrally with the piston 46a so as to move up and down in the directions of arrows ST and RT. The rotary drive shaft 47 has arrows ST, RT
A gear 47 a is fixed to the rotation drive shaft 47 while being movable up and down in the direction and rotatable in the directions of arrows TD and UD. Then, at the lower end in the figure of the rotary drive shaft 47,
The clutch 47b is fixedly provided so as to protrude downward from the driving device holding member 41 in the drawing (that is, toward the tool mounting pocket 36). Further, a tap rotation motor 45 is fixed on the driving device holding member 41, and a gear 45a is mounted on the tap rotation motor 45 so as to be rotatable in the directions of arrows TM and UM. The gear 45a meshes with the gear 45b, and the gear 45b
b is provided rotatably in the directions of arrows TG and UG, and meshes with the gear 47a of the rotary drive shaft 47.

A tool magazine 60 is provided on the left side of the column 6 in FIG. 8 or FIG. 9 (that is, on the sub machining head 33 side of the combined machining head 30). In the tool magazine 60, a tool drum 61 and a die drum 62 each formed in a disk shape,
It is arranged in two stages vertically in FIG. 9 and is integrally rotatably driven in the directions of arrows P and Q. A plurality of tool storage pockets 61a and die storage pockets 62a are provided on the outer peripheral portion of the tool drum 61 and the die drum 62.
As shown in FIG. 8, the tool storage pockets 61a and the die storage pockets 62a of each set are arranged at a predetermined angle pitch so as to be aligned vertically in FIG. Each tool storage pocket 61
a is formed in the outer peripheral portion of the tool drum 61 so as to correspond to the drum engaging grooves 72a and 77a of the punch tool 70 or the tapping tool 75 and is concavely formed in a U-shape as shown in FIG. The die storage pocket 62a is formed in the outer peripheral portion of the die drum 62 so as to correspond to the drum engaging grooves 74a and 79a of the die 73 or the dummy die 78, and is formed in a U-shape like the tool storage pocket 61a. In addition, the tool drum 61 is arranged at the same height as the tool mounting portion 35 of the sub machining head 33 described above.
The die drum 62 is a die mounting portion 51 of the lower mold unit 50 described above.
It is arranged at the same height as.

In the tool magazine 60, a plurality of sets of a punch tool 70 and a die 73 or a plurality of sets of a tapping tool 75 and a dummy die 78 are stored for various processes as shown in FIG. Incidentally, for a predetermined type of processing, one set of punch tool 70 and die 73 or one set of tapping tool 75 and dummy die 78 are provided with one set of tool storage pocket 61a and die storage pocket 62a aligned vertically in FIG. It is stored in.

A tool changer 63 is provided between the tool magazine 60 and the column 6. A transfer arm 65 is provided in the tool changing device 63 so as to be freely rotatable in the directions indicated by arrows K and L in FIG. 8, and a distal end portion of the transfer arm 65 (a lower end portion in FIG. 8).
In FIG. 8, a tool exchange arm 66 and a die exchange arm 67 are provided integrally in such a manner as to be rotatable in the directions of arrows M and N in FIG. . 8 or 9 of the tool change arm 66 and the die change arm 67
Two sets of tool holding pockets 66a and die holding pockets 67a are provided at the left and right ends of the figure, with the tool holding pockets 66a and die holding pockets 67a of each set aligned vertically in FIG. Each of the tool holding pockets 66a has a U-shape at the left and right ends of the tool change arm 66 corresponding to the arm engaging grooves 72b and 77b of the punch tool 70 or the tapping tool 75 as shown in FIG. Each die holding pocket 67a is provided with an arm engaging groove 74 of the die 73 or the dummy die 78 at the left and right ends of the die exchange arm 67 in FIG.
As in the case of the tool holding pocket 66a, the U-shaped recess is formed in a shape corresponding to b and 79b. The tool exchange arm 66 is arranged at a height slightly lower than the above-described tool drum 61, and the die exchange arm 67 is arranged at a height slightly lower than the above-described die drum 62.

Since the laser multi-tasking machine 1 according to the present invention has the above-described configuration, the loading / unloading of the plate-shaped work 80 and the plate-shaped work
Sub-processing such as laser processing and / or punching and tapping of 80 is performed as follows.

First, when loading the unprocessed work 80 into the laser multi-tasking machine 1, the clutch 19b shown in FIG.
The front support drive shaft 19 is connected to the work support drive motor 26, and the clutches 12b and 23c are turned off,
The connection between the front support drive shaft 19 and the carriage drive shaft 12 is released, and the front support drive shaft 19 and the rear support drive shaft 23 are disconnected.
Disconnect with. Then, as shown in FIG. 10 (b), the work carriage 10 and the rear work support device 20 are moved.
Is stopped, the work support 16a (not shown in FIG. 10) of the front work support device 15 can be driven to move independently in the directions of the arrows AF and BF.

The unprocessed work 80 is carried into the front end 2a from the lower left side of FIG. 1 of the laser multi-tasking machine 1 via a predetermined work carrying means (not shown). At this time, the work support drive motor 26 shown in FIG. 2 is driven to move the chain 16b and the work support 16a of the front work support device 15 in the direction of the arrow BF. Then, the unprocessed work 80 that has been carried in
Moves from the front end 2a of the laser multi-tasking machine 1 to the center 2b with the work support 16a at the work facing portion (between the sprockets 17a and 17b) supported by the work support 16a from below. Move in the direction of arrow B. Then, the unprocessed work 80 is placed on the front work support device 15. Therefore, when the work is carried in a form in which the work is lifted and lowered with the work being sucked by a vacuum pad or the like, the size of the work that can be handled is limited.
In the laser multi-tasking machine 1, the work can be carried in the form of moving the work horizontally as described above, so that a long work can be handled.

When the unprocessed work 80 is carried into the front work support device 15, each work clamp 11 is set in a clamp state,
The unprocessed work 80 is held against the work carriages 10, 10. At this time, the work carriages 10, 10 are moved from the front work support device 15 side (from the front end 2a of the base 2 to the center part).
2b).

When processing the work 80 in the laser multi-tasking machine 1, the clutches 12b, 19b, and 23c shown in FIG. 2 are turned ON, and the carriage drive shaft 12, the front support drive shaft 19, and the rear support drive shaft are turned on. Connect 23. Then, FIG. 10 (a)
As shown in FIG. 10, the work carriage 10 (not shown in FIG. 10), the work support 16a of the front work support device 15 (not shown in FIG. 10), the work support 21a of the rear work support device 20 (10 (Illustration is omitted in the figure) in a direction that can be moved and driven in the directions of arrows A and B, arrows AF and BF, and arrows AR and BR. In this state, the dimensions of the gear 12a and the sprockets 12c, 17a, 19a, 19c, 22a, and 23a are determined so that the moving speeds of the work carriage 10 and the work supports 16a and 21a are equal.

In laser processing, the X-axis motor 25 shown in FIG. 2 is driven (the work support drive motor 26 may be driven), and the work carriage 10 is moved in the directions of arrows A and B (X-axis direction). At the same time, the head carriage 31 and the lower mold unit 50 are moved in the directions of arrows C and D (Y-axis direction) by driving the Y-axis motor 55 shown in FIG. Thus, with the work 80 interposed between the laser processing head 32 and the lower mold unit 50, the work 80 held by the work carriage 10 and the laser processing head on the head carriage 31
The laser processing head 32 is moved up and down in the directions of arrows E and F while relatively positioning the laser processing apparatus 32 to perform laser processing on the work 80. At this time, the work 80 is moved to the work facing portion (between the sprockets 17a and 17b, the sprockets 22a and 22b shown in FIG. 2).
2), the carriage drive shaft 12, the front support drive shaft 19, and the rear support drive shaft 23 shown in FIG. , 21a is the work carriage
Moves in the directions of arrows AF and BF and arrows AR and BR in synchronization with 10. Therefore, the work held by the work carriage 10
80 and a work facing portion supporting the work 80 from below (between the sprockets 17a and 17b, the sprockets 22a and 22b
Since the work supports 16a and 21a move in the same direction at the same speed, the work 80 and the work supports 16a and 21a
With this, it is possible to prevent the work 80 from being chattered or vibrated during the processing, and to perform high-precision laser processing. At the same time, the transfer (transfer) of the work 80 between the first work support device 15 and the second work support device 20 is suitably performed. Further, since the work supports 16a and 21a and the lower mold unit 50 do not exist below the laser processing head 32 in FIG. 5, the laser processing of the work 80 is preferably performed.

In the sub machining, the tool attachment pocket 36 of the sub machining head 33 and the die attachment pocket 52 of the lower mold unit 50 are used.
At the same time, a predetermined set of punch tool 70 and die 73, or tapping tool 75 and dummy die 78 are mounted, and the punching cylinder 43 or tap elevating cylinder 46 of the sub-processing head 33 is aligned with the tool mounting pocket 36. Let it.
That is, the punch tool 70 and the die 73 are mounted in the tool mounting pocket 36 and the die mounting pocket 52, and the punching cylinder is mounted.
When 43 is aligned with the tool mounting pocket 36, the sub-machining head 33 functions as a punching head, and a tapping tool 75 and a dummy die 78 are mounted on the tool mounting pocket 36 and the die mounting pocket 52, and the tap lifting cylinder 46 is mounted on the tool. When aligned with the mounting pocket 36, the sub machining head 33 functions as a tap machining head.

When performing punching as sub-processing, a predetermined set of punch tools 70 and dies 73 are selected from the tool magazine 60, and the punch tools 70 and dies 73 are connected to the sub-processing head 33.
Are mounted in the tool mounting pocket 36 and the die mounting pocket 52 of the lower mold unit 50 in such a manner that they are replaced with (for example) a tapping tool 75 and a dummy die 78 already mounted.

First, the tool drum 61 and the die drum of the tool magazine 60
8 or 9, the tool storage pocket 61a and the die storage pocket 6 in which a predetermined set of the punch tool 70 and the die 73 are stored.
2a is positioned at the exchange position EX1 on the tool exchange device 63 side.
Next, the transfer arm 65 of the tool changer 63 is turned in the direction of arrow K (toward the tool magazine 60) as shown by the dashed line in FIG. 8 to hold the two tools of the tool change arm 66 and the die change arm 67. Of the pocket 66a and the die holding pocket 67a, one of the tool holding pocket 66a and the die holding pocket 67a is moved to the exchange position EX1. Then, a predetermined set of punch tools 70 and dies 73 are held from the tool drum 61 and the die drum 62 by holding the punch tools 70 and the dies 73 positioned at the exchange position EX1 in the tool holding pockets 66a and the die holding pockets 67a. Take out. Then, the transfer arm 65 is turned in the direction of the arrow L (toward the column 6) as shown by the solid line in FIG. 8, and the empty tool holding pocket 66a and the die holding pocket 67a of the tool changing arm 66 and the die changing arm 67 are rotated. To the exchange position EX2. Then, the empty tool holding pocket 66a and the die holding pocket 67a on the exchange position EX2 side are aligned with the tool mounting pocket 36 of the sub machining head 33 to the left in FIG. 8 or FIG. The die mounting pocket 52 of the unit 50 is aligned to the left in FIG.

Further, the tool holding member 37 of the sub machining head 33 is rotated in the direction of arrow I in FIG. 8 to open the left side of the tool mounting pocket 36 in the drawing (the tool changer 63 side), and the tool mounting pocket 36 is punched. The tool 70 or the tapping tool 75 is brought into a detachable state. Similarly, the die holding member 53 of the lower mold unit 50 is rotated to open the left side of the die mounting pocket 52 in FIG. 9 (the tool changer 63 side), and the die 73 or the dummy die 78 is placed in the die mounting pocket 52. So that it can be attached and detached.

Then, the sub machining head 33 (head carriage 31) and the lower mold unit 50 are moved in the direction of arrow C in FIG. 8 or FIG. Replacement pocket EX2 with mounting pocket 52
Move up to Then, the tapping tool 75 already mounted in the tool mounting pocket 36 of the sub-processing head 33
Is inserted into and held in the tool holding pocket 66a on the side (empty side) of the exchange position EX2 of the tool exchange arm 66, and the dummy die 78 already attached to the die attachment pocket 52 of the lower mold unit 50 is replaced with the die exchange arm 67. Is inserted and held in the die holding pocket 67a on the EX2 side (empty side). When the sub machining head 33 (head carriage 31) and the lower mold unit 50 are moved in the direction of arrow D in FIG. 8 or FIG. The tapping tool 75 is detached from 36, and the dummy die 78 is detached from the die mounting pocket 52 of the lower mold unit 50.

Next, the tool exchanging arm 66 and the die exchanging arm 67 of the tool exchanging device 63 are integrally turned 180 ° in the direction of the arrow M or N, and the punch tool 70 held in the tool holding pocket 66a of the tool exchanging arm 66 is The die 73 held in the die holding pocket 67a of the die exchange arm 67 is moved to the exchange position EX2. Then, the tool exchange arm 66 and the die exchange arm
The punch tool 70 and the die 73 moved to the tool holding pocket 66a and the die holding pocket 67a on the exchange position EX2 side of 67.
8 and 9, respectively, to the left of the tool mounting pocket 36 in the empty state of the sub-machining head 33, and to the left in FIG. 9 of the die mounting pocket 52 in the empty state of the lower mold unit 50. To match.

Then, again, the sub machining head 33 (head carriage
31) and the lower mold unit 50 is moved in the direction of arrow C in FIG. 8 or FIG. 9 so as to approach the tool changing device 63, and the tool mounting pocket 36 and the die mounting pocket 52 are moved to the changing position EX2. Let it. Then, the tool change arm 66
The punch tool 70 held in the tool holding pocket 66a on the side of the exchange position EX2 is inserted into the tool mounting pocket 36 of the sub machining head 33, and the exchange position EX of the die exchange arm 67 is
The die 73 held in the die holding pocket 67a on the second side,
It is inserted into the die mounting pocket 52 of the lower mold unit 50.

Next, the tool holding member 37 of the sub machining head 33 is rotated in the direction of arrow J in FIG. 8, and the punch tool 70 inserted in the tool mounting pocket 36 is moved to the sixth position by the tool holding member 37.
Pressing and holding from the left side of the figure, the punch tool 70 is securely mounted in the tool mounting pocket 36. Similarly, lower mold unit
By rotating the die holding member 53 of the die 50, the die mounting pocket 52
The die 73 is pressed and held by the die holding member 53 from the left side in the drawing, and the die 73 is securely mounted in the die mounting pocket 52. When the sub machining head 33 (head carriage 31) and the lower mold unit 50 are moved in the direction of arrow D in FIG. 8 or FIG. 9 and retracted from the exchange position EX2, the punch tool 70 Exchange position EX
The die 73 is detached from the tool holding pocket 66a on the second side, and the die 73 is detached from the die holding pocket 67a on the exchange position EX2 side of the die exchange arm 67.

Then, the tool drum 61 and the die drum 62 of the tool magazine 60 are integrally and appropriately rotated in the direction of the arrow P or Q in FIG. 8 or FIG. 9 to move the predetermined tool storage pocket 61a and the die storage pocket 62a to the exchange position EX1. And the transfer arm 65 of the tool changer 63 is moved in the direction of arrow K, so that a set of the tapping tool 75 and the dummy die 78 taken out of the sub-machining head 33 and the lower mold unit 50 are
Tool storage pocket 61a and die storage pocket 62a positioned at the exchange position EX1 of the tool drum 61 and die drum 62
Return to.

As described above, the punch tool 70 and the die 73 or the tapping tool 75 and the dummy die 78 are simultaneously exchanged with respect to the sub machining head 33 and the lower mold unit 50. When exchanging the punch tool 70 and the die 73 or the tapping tool 75 and the dummy die 78 for the sub machining head 33 and the lower mold unit 50, the tool changing device 63 and the sub machining head 33 are exchanged.
And the die 73 between the punch tool 70 and the lower mold unit 50.
Alternatively, the transfer of the tapping tool 75 and the dummy die 78 is performed by rotating the tool holding member 37 and the die holding member 53 to open and close the tool mounting pocket 36 of the sub machining head 33 and the die mounting pocket 52 of the lower mold unit 50. , Sub machining head
33 (work carriage 31) and the lower mold unit 50 are moved in the directions of arrows C and D, whereby the tool changing device 63 is moved.
This is performed in a state where the tool exchange arm 66 and the die exchange arm 67 are stationary. That is, the tool changer 63 does not require a complicated mechanism for delivering the punch tool 73 and the die 70 or the tapping tool 75 and the dummy die 78 to the sub machining head 33 and the lower mold unit 50. Therefore, instead of equipping the laser multi-tasking machine 1 with the tool magazine 60 as described above, a large number of sets of punch tools 70 and dies 73 or tapping tools 75 and dummy dies 78 are stored in storage means outside the laser multi-tasking machine 1. Even if it is stored and transported from the storage unit to the above-described exchange position EX2 of the laser multi-tasking machine 1 by a relatively simple transport unit, the transport unit, the sub-processing head 33, and the lower mold unit 50 In between, the punch tool 70 and the die 73 or the tapping tool 75 and the dummy die 78 can be directly transferred.

When a predetermined set of punch tools 70 and dies 73 are mounted in the tool mounting pocket 36 of the sub-processing head 33 and the die mounting pocket 52 of the lower mold unit 50, the rod 42a of the driving device moving cylinder 42 of the sub-processing head 33 3 is driven backward in the direction of arrow HD in FIG. 3, and the driving device holding member 41 is rotated in the direction of arrow H as indicated by a two-dot chain line in the figure, and the punching cylinder is rotated.
As shown in FIG. 6, the striker 43 (strike 43a) is aligned above the tool mounting pocket 36 in which the punch tool 70 is mounted in the figure.

Then, similarly to the above-described laser processing, X shown in FIG.
By driving the shaft motor 25, the work carriage 10 is moved to an arrow A,
The head carriage 31 and the lower mold unit 50 are moved in the directions C and D (Y-axis direction) by driving the Y-axis motor 55 shown in FIG.
The work held by the work carriage 10 with the work 80 interposed between the sub machining head 33 and the lower mold unit 50
The sub machining head 33 and the lower mold unit 50 on the head carriage 31 are relatively positioned with respect to 80. Note that the sub machining head 33 is not a turret type, but a punch tool 70 or a tapping tool 75 for a single tool mounting pocket 36.
Are mounted detachably, so that the sub-processing head 33 can be downsized. Accordingly, the sub-processing head 33 and the laser processing head 32 can be moved and driven in the Y-axis direction via the common head carriage 31, so that the sub-processing head 33 and the laser processing head 32 can be moved in the Y-axis direction (arrows C and C). The moving mechanism in the direction D) can be simplified.

When the lower mold unit 50 moves below the workpiece 80 in FIG. 5, the lower mold unit 50 moves in the lower mold unit moving space 28 formed between the front work support device 15 and the rear work support device 20. Interference between the mold unit 50 and the work support devices 15, 20 such as the work supports 16a, 21a is avoided. That is, when the work 80 moves in the X-axis direction (the directions of arrows A and B), the work 80 passes through the work moving space 8 below the column 6 in FIG. It moves between 2a and the rear end 2c. At this time, the work support devices 15, 20 for supporting the work 80 from the lower side in FIG. 5 are arranged so as to sandwich the lower mold unit 50 disposed at the center 2b of the base 2 from the front end 2a to the center. The work support device 15 is divided into a front work support device 15 up to 2b and a rear work support device 20 from the center 2b to the rear end 2c.
a and 21a are revolved and retracted together with the chains 16b and 21b in the sprockets 17a and 22a disposed before and after (left and right in FIG. 5) the lower mold unit moving space 28 of the central portion 2b, and move the lower mold unit. It does not enter space 28. Accordingly, the lower mold unit 50 can move in the Y-axis direction (arrow C) perpendicular to the X-axis direction (arrows A and B), which is the moving direction of the work carriage 10 and the work 80, without interfering with the work supports 16a and 21a. , D direction).

When the sub-processing head 33 and the lower mold unit 50 are positioned with respect to the work 80, the punching cylinder 43 of the sub-processing head 33 is driven to move the striker 43a to an arrow R in FIG.
The punch 71 is projected in the P direction, and the head 71b of the punch body 71 of the punch tool 70 attached to the tool attachment pocket 36 is hit.
Then, the punch body 71 moves against the arrow R against the elasticity of the spring 71c.
In the direction, the striking surface 71a of the punch body 71 moves to the die body 73a side of the die 73 mounted in the die mounting pocket 52 of the lower mold unit 50, and the work 80 is moved between the punch body 71 and the die body 73a. Punching is performed in the form of being sandwiched between.

When tapping is performed as sub-processing, a predetermined set of tapping tools 75 and dummy dies 78 are attached to the tool magazine in the same manner as in the mounting of the punch tool 70 and the die 73 to the sub-processing head 33 and the lower mold unit 50 described above. 60, the tapping tool 75 and the dummy die 78 are replaced with the punch tool 70 and the die 73 already mounted in the tool mounting pocket 36 of the sub machining head 33 and the die mounting pocket 52 of the lower mold unit 50. Attach in shape.

That is, the tool holding member 37 and the die holding member 53 are rotated to open and close the tool mounting pocket 36 of the sub-processing head 33 and the die mounting pocket 52 of the lower mold unit 50, and the sub-processing head 33 (the work carriage 31). 9) and the lower mold unit 50 are moved in the directions of arrows C and D in FIG. 9 to thereby make the tool change arm 66 and the die change arm of the tool changer 63 stationary with the sub machining head 33 and the lower mold unit 50. The tapping tool 75 and the dummy die 78 or the punch tool 70 and the die 73 are delivered to and from the 67.

When a predetermined set of tapping tools 75 and dummy dies 78 are mounted in the tool mounting pocket 36 of the sub-processing head 33 and the die mounting pocket 52 of the lower mold unit 50, the rod 42a of the driving device moving cylinder 42 of the sub-processing head 33 Is driven in the direction of arrow GD in FIG. 3 to rotate the driving device holding member 41 in the direction of arrow G as shown by the solid line in the figure, and the tap lifting cylinder 46 (rotation drive shaft 47) is moved in FIG. As shown in FIG. 7, the tool mounting pocket 36 in which the tapping tool 75 is mounted is aligned with the upper side in the drawing.

Then, the X-axis motor 25 shown in FIG. 2 is driven to move the work carriage 10 in the directions of arrows A and B (X-axis direction), and the Y-axis motor 55 shown in FIG. The carriage 31 and the lower mold unit 50 are synchronously moved in the directions of arrows C and D (Y-axis direction), and the work carriage 10 is inserted between the sub-machining head 33 and the lower mold unit 50. The relative position of the work 80 held by the sub-working head 33 on the head carriage 31 and the lower mold unit 50 is relatively determined.

When the sub machining head 33 and the lower mold unit 50 are positioned with respect to the work 80, the tap lifting cylinder 46 of the sub machining head 33 is driven, and the piston 46a and the rotary drive shaft 4 are driven.
7 is projected in the direction of the arrow RT in FIG. 7, and the clutch 47b at the lower end of the rotary drive shaft 47 in the figure is engaged with the clutch 76b at the upper end of the rotary shaft 76 of the tapping tool 75 mounted on the tool mounting pocket 36 in the figure. Let it. Then, by driving the tap rotation motor 45, the rotation drive shaft 47 is rotated at a predetermined rotation speed in the direction of the arrow TD or UD via the gears 45a, 45b, 47a,
The tap lifting cylinder 46 is driven to further lower the rotary drive shaft 47 at a predetermined speed in the direction of the arrow RT. Then, while rotating in the direction of arrow T or U, the rotating shaft 76 of the tapping tool 75 descends in the direction of arrow R against the elasticity of the spring 76c, and the tap 76a at the lower end of the rotating shaft 76 in the figure is set in the lower mold. The dummy die 78 mounted in the die mounting pocket 52 of the unit 50 moves to the dummy die main body 78a side. Then, tap 76a to work
The dummy die body 78 below the work 80
The workpiece 80 is tapped by being moved by being inserted into the tap non-interference hole 78b of a.

In addition, drill processing such as pilot hole drilling before tapping,
The above-described operation can be performed by the sub-machining head 33 using the tap rotation motor 45 and the tap lifting cylinder 46 described above.

Thus, the work carried into the laser multi-tasking machine 1
For 80, laser processing and sub-processing can be performed in the same process (same setup).
Several types of processing such as punching, tapping, and drilling can be performed.

That is, since the tool mounting portion 35 and the die mounting portion 51 of the sub machining head 33 and the lower mold unit 50 are configured as a tool mounting pocket 36 and a die mounting pocket 52 in which various tools and dies can be detachably exchanged, Not only the punch tool 70 and the die 73 but also a tapping tool 75 and a dummy die 78 can be mounted on the mounting section 35 and the die mounting section 51. In addition, the tool drive unit of the sub machining head 33
40 can index and replace the punching cylinder 43 or the tap elevating cylinder 46 according to the tool and the die mounted on the tool mounting part 35 and the die mounting part 51. Punching, tapping,
Several types of processing such as drilling can be performed. still,
The punching cylinder 43 for punching and the tap lifting cylinder 46 for tapping or drilling may be shared by a single hydraulic cylinder or the like.

When the predetermined laser processing and / or sub-processing is completed, the work carriages 10, 10 are moved in the direction of arrow B in FIG. Transfer to 20. Then, the work clamps 11 are set to the unclamped state, and the engagement between the processed work 80 and the work carriages 10, 10 is released.

When unloading the processed work 80 from the laser multi-tasking machine 1, the clutch 23c shown in FIG. 2 is turned "ON", the rear support drive shaft 23 is connected to the work support drive motor 26, and the clutch 19b is connected. Set to "OFF" to disconnect the rear support drive shaft 23 from the carriage drive shaft 12 and the front support drive shaft 19. Then, as shown in FIG. 10 (c), with the work carriage 10 and the front work support device 15 stopped, the work support 21a (not shown in FIG. 10) of the rear work support device 20 becomes independent. To move to the directions of arrows AR and BR.

Then, the work support drive motor 26 shown in FIG. 2 is driven to drive the chain 21b of the rear work support device 20,
The work support 21a is moved in the direction of arrow BR. Then, the processed work 80 on the rear work support device 20 is
Arrows move from the center 2b of the laser multi-tasking machine 1 to the rear end 2c of the laser multi-tasking machine 1 while being supported by the work support 21a at the work facing portion (between the sprockets 22a and 22b) from below. Move in the B direction.
Then, the processed work 80 is carried out from the rear end 2c of the laser multi-tasking machine 1 to the upper right in FIG. 1 via a predetermined work carrying means (not shown). Therefore, when the work is carried out in a form in which the work is lifted and lowered in a state where the work is sucked by a magnet or the like, the size of the work that can be handled is limited. Since it can be carried out in the form of being moved, it can handle long workpieces.

In the above embodiment, the work carriage 10,
As the driving modes of the work support devices 15 and 20, three examples will be described: during machining shown in FIG. 10 (a), at the time of loading the workpiece shown in FIG. 10 (b), and at the time of unloading the workpiece shown in FIG. However, in other various driving modes (for example, the work support 16a of the first work support device 15 and the work support 21a of the second work support device 20 are moved in opposite directions), and the like. , 20 can be driven independently or in conjunction.

Further, in the above-described embodiment, the combined machining head 30,
The lower mold unit 50 and the work support devices 15 and 20 are fixed to the base 2 in the X-axis direction, and the work carriage 10 is moved to the base 2 in the X-axis direction (arrows A and B). As described above, the work carriage 10 side is fixed to the base 2 in the X-axis direction, and the composite machining head 30 and the lower mold unit 50 are fixed.
And the work support devices 15 and 20 to the base 2 X
It may be configured to move and drive synchronously in the axial direction (the directions of arrows A and B) (without relative movement with each other). In this case, the work supports 16a and 21a are driven to rotate in synchronization with the movement of the work support devices 15 and 20 in the X-axis direction, and the work supports 16a and 21a of the work facing portions are moved relative to the work carriage 10. The work support 16a, 21a and the work 80 are prevented from sliding with each other so as to be stationary in the X-axis direction.

(G). Effects of the Invention As described above, according to the present invention, the laser processing head 32 and the sub-processing head 33 are moved in the Y-axis direction (arrows C and D).
Direction) and a lower unit such as the lower mold unit 50 is mounted on the sub-processing head
In the form arranged below the sub-working head 33, it is provided so as to be movable in the first movement direction in synchronization with the sub-working head 33, and the work holding means such as the work carriage 10 is provided with the laser working head 32, the sub-working The front unit is provided so as to be movable relative to the processing head 33 and the lower unit in a second movement direction such as an X-axis direction (arrows A and B directions) forming a predetermined angle with the first movement direction. A first work support device such as a work support device 15 is provided in a form disposed in front of the lower unit (from the front end 2a to the center 2b of the base 2).
Work support equipment such as work support 16a
Is provided so as to support the work 80 from below, and the first work support means is provided with the first work support means with respect to the work holding means in the second movement direction. A first movement drive means such as a chain 16b, a front support drive shaft 19, and an X-axis motor 25, which is driven to move without relative movement, is provided, and a second work support device such as a rear work support device 20 is provided. The second work support device is provided with a second work support means such as a work support 21a, the second work support means being provided behind the lower unit (from the center 2b to the rear end 2c of the base 2). A chain 21b provided so as to be able to support the work supporting means from below, and the work supporting means moving and driving the work supporting means relative to the work holding means in the second movement direction; , Rear support drive Since the second rotation driving means such as the shaft 23 and the X-axis motor 25 are provided, the first and second work supporting means and the work holding means are driven to move without any relative movement. The relative movement between the work 80 and the work 80 held by the work holding means is prevented from occurring, and the work held by the work holding means is prevented.
The work supporting means for supporting the work 80 from below does not slide on the work 80. Further, since the first and second work support devices are arranged before and after the lower unit, the lower unit moving below the work 80 does not interfere with the work supporting means. Therefore, the laser processing head 32
In addition to the normal laser processing using the sub processing head 33 and the lower unit, the sub processing such as punching processing, tapping processing, and drill processing can be performed, and the work by sliding with the work supporting means can be performed. 80 chatters,
Since vibration and the like are prevented beforehand, high-precision laser processing can be performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a laser combined machining apparatus according to the present invention, FIG. 2 is a drive system diagram of a work carriage and a work support device, and FIG. 3 is a combined machining head and a lower mold unit. FIG. 4 is a composite processing head shown in FIG. 3, the IV view of the lower mold unit, and FIG. 5 is a composite processing head shown in FIG. 4, a V view of the lower mold unit. FIGS. 6, 6 and 7 are sectional views showing the sub-machining head and the lower mold unit, FIG. 8 is a plan view showing the tool magazine and the tool changing device, and FIG. 9 is shown in FIG. For tool magazines and tool changers
FIG. 10 is a diagram showing a driving mode of the work support device, and FIG. 11 is a diagram showing an example of sub machining. 1 laser combined machine 10 work holding means (work carriage) 15 first work support device (front work support device) 16a first work support means (work support) 16b First movement drive means (chain) 19 First movement drive means (front support drive shaft) 20 Second work support device (rear work support device) 21a Second work support means ( Work support) 21b Second movement drive means (chain) 23 Second movement drive means (rear support drive shaft) 25 First movement drive means, second movement drive means (X-axis motor) ) 32 Laser head 33 Sub head 50 Lower unit (lower die unit) 80 Work

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁶ , DB name) B23P 23/04 B21D 28/04 B21D 28/36 B23K 26/00 320

Claims (1)

(57) [Claims] 1. A laser combined machining apparatus for performing laser machining and sub-machining on a plate-like work, wherein a laser machining head and a sub-machining head are provided so as to be movable in a first movement direction, and a lower unit is provided. Is provided below the sub-machining head so as to be movable and driven in the first movement direction in synchronization with the sub-machining head, and a work holding means is provided by the laser machining head and the sub-machining head. And a first work support device is disposed in front of the lower unit so as to be movable in a second movement direction that forms a predetermined angle with the first movement direction, relative to the lower unit. The first work support device is provided with a first work support means in a form capable of supporting a work from below, and the first work support means is provided with the first work support means. Said A first movement driving means for moving and driving the work holding means relative to the work holding means with no relative movement with respect to the movement direction of 2, and a second work support device arranged behind the lower unit; The second work support device is provided with a second work support means in a form capable of supporting a work from below, and the second work support means is provided with the second work support means. A laser multi-tasking machine provided with a second movement driving means for moving and driving the workpiece holding means in the second movement direction without any relative movement.