JP2001121379A - Material feeder and linear machining device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically and appropriately feed a long-sized machined material or the like. SOLUTION: This material feeder is provided with a first chuck device set 62 comprising first and second chuck devices 13, 39. The first chuck device 13 has claw members 27, 30 projected from its body 15, and the second chuck device 39 has a hole 14c formed piercing its body 15, and roller grip parts 27c, 30c. These first and second chuck devices 13, 39 are provided to relatively approach and separate in a feed direction. A long-sized machined material can thereby be appropriately supported and fed over the first and second chuck devices 13, 39.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material feeding device capable of suitably feeding a processing material in a machine tool such as a laser beam machine, and a linear processing device having the material feeding device.

[0002]

2. Description of the Related Art Conventionally, processing by a linear processing apparatus such as plasma cutting, gas cutting, and laser cutting has been performed.

[0003]

However, there has not yet been established a method for appropriately and automatically feeding a long workpiece using such an apparatus.

In view of the above circumstances, an object of the present invention is to provide a material feeding device capable of appropriately feeding a long processing material and a linear processing device having the material feeding device.

[0005]

According to a first aspect of the present invention, there is provided a material feeder (60) for feeding a processing material (53) in a feed direction, wherein the first material is arranged in the feed direction. A material gripping means set (6) having gripping means (13, 47) and second material gripping means (39, 43).
2, 63), wherein the first material gripping means includes a first gripping means main body (15) and a shape protruding toward the second material gripping means with respect to the first gripping means main body. Formed,
A first gripping means for gripping the work material so as to be fixable in the feed direction;
And the second material gripping means is formed so as to penetrate the second gripping means main body (15) and the second gripping means main body, and the first material gripping means (27, 30). A through-hole (14c) into which a gripper can be fitted, a second gripper (27, 30) for gripping the work material movably in the feed direction,
And the first and second material gripping means are provided so as to be relatively close to and separated from each other in the feed direction.

In the invention according to a second aspect of the present invention, the second gripping portion is disposed near an opening (14t) of the through hole facing away from the first material gripping means.
It is characterized by the following.

In the invention according to a third aspect of the present invention, when the first holding portion is fitted in the through-hole, the first holding portion is connected to the second holding portion.
Characterized in that it is formed so as to be adjacent to the gripping portion in the feed direction.

According to a fourth aspect of the present invention, the first grip portion is formed in a claw shape, and the second grip portion is formed by rotatable rollers (27c, 30c). Features.

In the invention according to a fifth aspect of the present invention, two sets of the material gripping means are provided in the feed direction, and the second material gripping means are arranged so as to face each other. And

Further, according to the present invention, there is provided a material feeder according to any one of claims 1 to 5, and a processing means (36) capable of linearly processing the work material fed in the feed direction by the material feeder.
And characterized in that:

It should be noted that the numbers in parentheses and the like are for convenience showing the corresponding elements in the drawings, and therefore, the present description is not limited to the description on the drawings.

[0012]

According to the first aspect of the present invention, when a long work material is fed, one end of the work material is fixedly held by the first work holding means, and the second work holding means is held by the second work holding means. The center position of the processed material can be moved (guide)
To support. Thus, the processing material can be automatically fed without being distorted by its own weight. Further, since the first gripper can be inserted into the through hole, one end of the processing material gripped by the first gripper can enter the through hole, and the end portion can be sent out in the feed direction as much as possible. It has become. As a result, the machining allowance that cannot be processed is reduced, and the yield is improved.

According to the second aspect of the present invention, one end of the processing material gripped by the first gripping portion can be sent out to the vicinity of the opening of the through-hole in the feeding direction, so that the gripping margin that cannot be processed is reduced and the yield is improved.

According to the third aspect of the present invention, one end of the work material gripped by the first gripper can be sent out to the position adjacent to the second gripper in the feed direction, so that the gripping margin that cannot be processed is reduced, and the yield is reduced. Is improved.

According to the fourth aspect of the present invention, the processing material can be reliably fixed by the first grip portion formed in a claw shape so as not to move in the feed direction, and the processing is performed by the second grip portion formed by the roller. The material can move smoothly in the feed direction.

Further, according to the fifth aspect of the present invention, by using two sets of material holding means, a longer work material can be appropriately supported and fed between the two sets of material holding means.

Further, according to a sixth aspect of the present invention, there is provided a linear processing apparatus exhibiting the same effects as the effects of the first to third aspects. Thereby, processing automation of a long processing material can be realized, which is convenient.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view showing an entire laser processing apparatus which is an example of a three-dimensional linear processing apparatus, FIG. 2 is a plan view of the laser processing apparatus shown in FIG. 1, and FIG. Side view showing the vicinity of the first chuck device in the processing device,
4 is a side view showing the vicinity of the second chuck device in the laser processing device of FIG. 1, FIG. 5 is a side view showing the vicinity of the third chuck device in the laser processing device of FIG. 1, and FIG. FIG. 7 is a side view showing the vicinity of a fourth chuck device in the processing apparatus, FIG. 7 is a side view of a carry-in conveyor part in the laser processing apparatus of FIG. 1, and FIGS. 8 to 10 are side views showing an example of an operation mode of the work receiving apparatus. 11, FIG. 11 is a plan view showing a state in which the first to fourth chuck devices approach the maximum, FIG. 12 is a front view of FIG. 11, FIG. 13 is a front view of the second and third chuck devices, FIG. 14 shows the second and third
15 is a side view of the chuck device, FIG. 15 is a front view showing a claw opening / closing drive unit of the chuck device, FIG. 16 is a side view of FIG. 15, FIG. 17 is a front view of the first and third chuck devices, FIG.
Is a side view of FIG. 17, and FIG. 19 is a side view showing an example of a work support for mounting various long works.

As shown in FIGS. 1 and 2, a laser processing apparatus 1 which is a three-dimensional linear processing apparatus has a body 2 extending in the left-right direction in the figure. A front work feeder 3, a processing section 5, and a rear work feeder 6 are arranged in this order from the right. The front work feeder 3 has a work stock device 7 that stocks so-called long members, such as pipes and angle materials, having the same cross-section that is continuous in the axial direction of the material, and supplies the members one by one. 7 includes an airframe 2 as shown in FIGS.
Has a plurality of conveyor devices 10 provided in the system. The conveyor device 10 is provided with a chain 10b wound endlessly and rotatably synchronously between the respective conveyor devices 10, and a plurality of work supports 10a are arranged at predetermined intervals in each chain 10b. Have been.

As shown in FIG. 19, a plurality of types of work supports 10a are prepared according to the cross-sectional shapes of various long members that can be processed by the laser processing apparatus 1. It is provided detachably and replaceably. FIG. 19 shows the work support 10a.
As shown in the figure, a long member having various cross-sectional shapes such as a circle, a square, an H shape, an L shape, and a C shape can be mounted.
A member mounting portion 10c corresponding to each member is formed, and the work support 10a is mounted on the chain 10b according to the member processed by the laser processing apparatus 1, and the work support 10a is mounted on the mounted work support 10a. Mount the corresponding long member.

On the right side of FIG. 7 of the work stock device 7,
A plurality of movable mounts 9 are provided on the body 2 so as to be movable and driven synchronously in the directions of arrows A and B in FIG.
In the figure, a work transfer device 11 is provided at the left end. The work transfer device 11 is provided with a detachably provided work mounting portion 11a that can be synchronously driven up and down between the work transfer devices 11.

A guide rail 1 is provided on the body 2 shown in the upper part of FIG.
2 and 12 are laid in the directions of arrows C and D, which are the X-axis directions, and the guide rails 12 and 12 are provided with the first chuck device 13 on the body 2 along the guide rails 12 and 12 with the arrows C and D. It is provided so as to be movable in the direction.

The first chuck device 13 has a main body 15 suspended on the guide rail 12 as shown in FIG. 3, and a gear 16a is mounted on the main body 15 as shown in FIG. A drive motor 16 is provided. The drive motor 16 includes a rotary head 17 rotatably supported on the main body 15 about a central axis CT1.
15 and 18, as shown in FIG. 15 and FIG.

The rotating head 17 is, as shown in FIG.
The head body 14 is rotatably supported by the bearing 19 with respect to the main body 15. At the center of the head body 14, a frame 14b is provided so as to form a square frame as a whole. ing. Each side of the frame 14b is
As shown in FIG. 6, the guide rails 14a, 14a
4b are provided in the directions of arrows E and F in FIG. 15, and slide plates 22 and 23 are respectively provided on the guide rails 14a and 14a on each side through known linear bearing means such as a linear motion guide device. It is provided slidably in the directions of arrows E and F.

The slide plate 22 includes a bracket 2
2a is provided, and a drive cylinder 25 provided on the head body 14 is attached to the bracket 22a by arrows E and F.
It is connected via a rod 25a provided so as to be movable in the direction. Each slide plate 22, 23 has
As shown in FIGS. 14 and 16, the racks 22b and 23b
Are formed so as to face each other, and the rack 22b,
A gear 21a rotatably supported at the center of each side of the frame 14b meshes with 23b.

Of the slide plates 22 and 23 on each side, the opposite slide plate 2 on the G and H sides in FIG.
As shown in FIG. 17, two pairs of slide plates 22 and 23 facing each other on the G and H sides are attached to the arms 26 and 26, respectively.
a, 26a, and a connection member 26 is provided on each connection plate 26.
Each is detachably mounted via a. As shown in FIG. 18, the claw member 27 is formed such that the tip protrudes leftward in the figure, and a grip portion 27 b bent inside the head body 14 is formed at the tip of the claw member 27. ing. In addition, as shown in FIG. 17, the gripping portions 27b of the pair of claw members 27 facing each other with the work insertion portion 20 interposed therebetween, as shown in FIG.
They are formed so as to face each other. The guide rail 14a, the slide plates 22, 23, the racks 22b, 23b, and the gear 21a are connected to the connection plate 26,
26, the connection plates 26, 26 can be moved synchronously by the synchronous movement mechanism 24.

The slide plates 22 and 23 on each side
Among them, a pair of opposed slide plates 22 and 23 on the I and J sides in FIG. 15 are provided with connection plates 29 and 29 formed in a substantially C shape as shown in FIG. Each pair of slide plates 22 and 23 facing each other are provided so as to be connected to each other.
As shown in FIG. 18, the left side of the connection plate 26 in the figure is provided so as to overlap the left and right directions in the figure without interfering with the connection plate 26. Each connection plate 29
, Claw members 30 are respectively mounted via mounting portions 30a. As shown in FIG. 18, the claw member 30 has a tip formed to protrude leftward in the drawing, and a grip portion 30 b bent inside the head body 14 is formed at the tip of the claw member 30. ing. As shown in FIG. 17, the grip portions 30b of the pair of claw members 30 opposed to each other with the work insertion portion 20 interposed therebetween are formed so as to face each other. As shown in the figure, the gripping portion 27b of the claw member 27 is formed so as to be shifted leftward in the drawing. Thereby, as shown in FIG. 17, even when the claw members 27 and 30 are brought close to the center of the head body 14, the grip portions 27b and 30b of the claw members 27 and 30 are formed so as not to interfere with each other. . Also mentioned above,
The guide rail 14a, the slide plates 22, 23, the racks 22b, 23b, and the gear 21a are connected to the connection plate 2
The synchronous moving mechanism 24 is used to move the connecting plates 29 and 29 synchronously.

As described above, each of the gripping portions 27b, 30b
Was formed such that the projected shape (FIG. 17) parallel to the axial direction (center axis CT1) of the main body 15 was substantially linear. The claw members 27 and 30 adjacent to each other shift the gripping portions 27b and 30b in the axial direction so that the projected shape parallel to the axial direction of the gripping portions 27b and 30b becomes the intersection PX (FIG. 17). Are arranged so as to intersect freely. Each of the grips 27b, 30b is a distance LP between the intersections PX, PX formed on both sides of the grips 27b, 30b in a projected shape parallel to the axial direction (FIG. 17).
Are movably arranged to a position smaller than the width LW of the gripping portions 27b, 30b. Each grip 2
The projection shapes of the projections 7b and 30b parallel to the axial direction have substantially the same dimensions.

As shown in FIG. 18, the head body 14 of the first chuck device 13 has a hole 14c formed inside the frame 14b, and the hole 14c has a bracket 14c.
The actuator 14f moves the rod 14g to X through d.
It is provided so as to be freely driven to protrude in the directions of arrows C and D in the figure, which is the axial direction. A kickout plate 14h is mounted on the tip of the rod 14g.

The processing section 5 shown in FIG. 1 has a laser oscillator 31, and a processing head section 32 is provided on the left side of the laser oscillator 31. A saddle 33 is provided on the processing head 32 so as to be movable and positionable in the directions of arrows K and L, which are Y-axis directions. A laser optical path tube 35 is provided between the saddle 33 and the laser oscillator 31. The laser light output from the camera is connected to the saddle 33 so as to be freely expandable and contractible.

At the lower end of the saddle 33 in FIG.
6 are provided so as to be movable and positionable in the directions of arrows M and N, which are Z-axis directions.
As shown in FIG.
It is provided so as to be rotationally driven and positionable in the directions of arrows QB and RB which are the directions and the B-axis direction.

As shown in FIG. 4, a second chuck device 39 is fixed to the processing head portion 32 so as to be concentrically aligned with the first chuck device 13 in the directions of arrows C and D which are the X-axis directions. And the second chuck device 39
Has substantially the same configuration as the first chuck device 13. Therefore, the same portions as those of the first chuck device 13 are denoted by the same reference numerals, and the description of the portions will be omitted. The difference between the second chuck device 39 and the first chuck device 13 is shown in FIG.
As shown in FIG. 4, the hole 14c of the main body 15 is penetrated,
The point is that the actuator 14f is not provided, and the gripping portions of the claw members 27, 30 attached to the connection plates 26, 29 are rotatable roller gripping portions 27c, 30c. In the case of the second chuck device 39, the claw members 27 and 30 are arranged in the vicinity of the opening 14t on the left side of the drawing in FIG. The roller grip 27
As shown in FIG. 14, c and 30c are also provided so that their mounting positions are shifted in the left-right direction in the drawing, that is, in the C and D directions, so as not to interfere with each other. The first and second chuck devices 13 and 39 described above constitute one set of first chuck device set 62 (FIG. 11).

The second chuck device 3 of the processing head 32
As shown in FIG. 4, a cutting work discharge unit 32 a is formed on the left side in FIG. 1 of FIG. 9, and a first work receiving unit 4 is provided between the cutting work discharge unit 32 a and the second chuck device 39.
0 is provided in a form capable of receiving the work held and cut by the second chuck device 39. As shown in FIG. 4, the first work receiving device 40 includes an actuator 41 provided on the machining head 32 so as to be able to move up and down in the directions of arrows M and N.
And a receiving arm 42 that is swingably driven between the second chuck device 39 and the cut workpiece discharging portion 32a via the shaft 44 by the actuator 41. The receiving arm 42 has a distal end. Is formed with an L-shaped work storage portion 42a.

Guide rails 32b, 32b are formed on the left side of the second chuck device 39 in the processing head section 32 in FIG. 1 in parallel to the X-axis directions, arrows C and D, and guide rails 32b, 32b , A third chuck device 43 is provided on the guide rails 32b, 32b so as to be movable and positionable. Third chuck device 43
Is provided concentrically with the first and second chuck devices 13 and 39, and the configuration of the chuck portion is the same as that of the second chuck device 39. However, as shown in FIG. The arrangement is symmetrical with respect to the chuck device 39.

As shown in FIGS. 5 and 8, the main body 15 of the third chuck device 43 is provided with a second work receiving device 45, and the second work receiving device 45 is also provided with the first work receiving device 40. And have substantially the same configuration except that the mounting position of the actuator 41 is different. Therefore, the first
The same parts as those of the work receiving device 40 are denoted by the same reference numerals, and description of the parts will be omitted.

On the other hand, as shown in FIGS. 1 and 2, the rear work feeder 6 is provided with a fourth work receiving device 55 having the same configuration as the first work receiving device 40 as shown in FIG. In addition, the rear work feeder 6
Arrows C, D in which the guide rails 46, 46 are in the X-axis direction
It is provided parallel to the direction. Guide rails 46, 46
The fourth chuck device 47 includes guide rails 46, 46.
Along the arrows C and D, which are the X-axis directions, so as to be movable and positionable. The fourth chuck device 47 includes:
The first to third chuck devices 13, 39, and 43 are provided so as to be concentrically aligned in the X-axis direction. The fourth chuck device 47 has the same configuration of the chuck portion as the first chuck device 13. However, the arrangement is symmetrical with respect to the first chuck device 13 as shown in FIG. The third and fourth chuck devices 43 and 47 described above.
Constitutes one set of the second chuck device set 63,
This second chuck device set 63 and the first
The material feeding device 60 is constituted by the chuck device set 63 (FIG. 11).

As shown in FIGS. 6 and 16, a third work receiving device 50 similar to the second work receiving device 45 of the third chuck device 43 is provided in the main body 15 of the fourth chuck device 47.
Are provided, and the same portions as those of the second work receiving device 45 are denoted by the same reference numerals, and the description of the portions will be omitted.

A work unloading device 51 is provided below the rear work feeder 6 in FIG.
1 has a plurality of conveyor devices 52 as shown in FIGS.

Since the laser processing apparatus 1 has the above-described configuration, a so-called long member having the same cross section continuous in the material axis direction, such as a pipe, an angle material, and a shaped steel, is used by using the laser processing apparatus 1. When processing, the long member to be processed is mounted on the conveyor device 10 of the work stock device 7. As shown in FIG. 19, the conveyor device 10 is provided with a work support 10a having a corresponding member mounting portion 10c formed in a shape corresponding to the cross-sectional shape of the long member 53 to be processed. The long member 53 to be processed is mounted on the work support 10a.

Next, the conveyor device 10 is driven to
As shown in (1), the long member 53 mounted on each work support 10a is transferred in the direction of arrow A, and the movable base 9 is moved in the direction B to move the work transfer device 11 to the conveyor device 10 side. . Conveyor device 10 to A
While moving in the direction, the long member 53 mounted on the rightmost work support 10a in the drawing is transferred onto the work mounting portion 11a of the work transfer device 11. As the shape of the work mounting portion 11a, as shown in FIG. 19, a shape adapted to the cross-sectional shape of the long member 53 is used.

In this state, the work transfer device 11 is
While moving in the direction of arrow A, it is moved upward in FIG.
The long member 53 mounted on the workpiece transfer device 11 is positioned between the first chuck device 13 and the second chuck device 39. Next, the drive motors 16 of the first and second chuck devices 13 are each driven to rotate, and the gears 16a, 1
The rotary head 17 is rotated about the central axis CT1 with respect to the main body 15 via the reference numeral 7a, and positioned at a predetermined orient position (a reference angular position around the central axis CT1 serving as a reference for processing using the rotary head 17). I do. Next, all the drive cylinders 25 of each rotary head 17 are driven to
a is retracted in the direction of arrow E. Then, all the slide plates 22 connected to the rods 25a via the brackets 22a also move in the E direction via the guide rails 14a, and the racks 22 of the slide plates 22, 23 are moved.
b, 23b and the slide plate 2 via the gear 21a.
3 also starts moving in the direction of arrow F in synchronization with the slide plate 22.

Then, two pairs of claw members 27, 3 attached to the two pairs of slide plates 22, 23 of the first chuck device 13 via the connection plates 26, 29, respectively.
0 moves radially outward with respect to the direction of arrow R in FIG. 18, that is, the center axis CT1, the gripping portions 27b and 30b of the claw members 27 and 30 are released, and the first chuck device 13 is in the released state. Become.

Similarly, in the second chuck device 39, the roller gripping portions 27c, 30c of the claw members 27, 30 move in the direction of arrow R in FIG. 14, that is, outward in the radial direction with respect to the center axis CT1. Roller gripping portions 27c, 3 of members 27, 30
0c is released, and the second chuck device 13 is released.

In this state, the first chuck device 13 is
When moved along the guide rail 12 in the direction of arrow C,
The right end of the long member 53 mounted on the work mounting portion 11a of the work transfer device 11 has four claw members 27 of the first chuck device 13 which is moved and driven in the C direction, as shown in FIG. , 30.

Next, in this state, the first chuck device 13
Is driven in the direction opposite to the previous direction to cause the rod 25a to protrude in the direction of arrow F. Then, two pairs of claw members 27, 30 attached to the two pairs of slide plates 22, 23 opposed to each other via the connection plates 26, 29.
Move in the direction of arrow Q in FIG. 18, that is, inward in the radial direction with respect to the center axis CT <b> 1, and the grip portions 27 of the claw members 27 and 30 move.
b and 30b also move in the arrow Q direction.

This movement is performed by each slide plate 22, 2
3 is synchronously moved in the direction of arrow Q via the racks 22b and 23b and the gear 21a, so that the first chuck device 13 as a whole is mounted on each of the slide plates 22 and 23 as shown in FIG. The claw members 27, 30 are simultaneously moved in the direction of the center axis CT1 at the same speed in such a manner that the distance L1 between the gripping portions 27b, 30b of each claw member 27, 30 and the center axis CT1 is always equal. Become. As shown in FIG. 17, each of the grips 27b and 30b
°, the elongated member 53 inserted into the head main body 14a in a form surrounded on all sides by the gripping portions 27b, 30b of the claw members 27, 30 is:
The gripping portions 27b and 30b grip the center of the axis with respect to the central axis CT1 so that the center of the dimension is automatically centered. This centering operation is performed by the long member 5.
The center position of the square circumscribing the cross-section of No. 3 is the center axis CT1.
It is performed in a form that matches.

Each of the claw members 27, 30 facing each other
When the reaction force due to gripping which acts on the claw members 27 and 30 from the long member 53 side reaches a predetermined value, the driving of the corresponding drive cylinder 25 is stopped. When the member 53 has a rectangular cross section, each claw member 27, 30
Even if the amount of movement of the pair in the direction of arrow Q is different, the long member 53 can be gripped with an appropriate gripping force.

As described above, each grip portion 27b, 30b
In the projection shape parallel to the direction of the central axis CT1,
Since the distance LP between the intersections PX formed on both sides of the holding parts 27b, 30b is smaller than the width LW of the gripping parts 27b, 30b, the center axis CT can be moved.
The projection shape parallel to one direction forms a closed ring, and the plurality of gripping portions 2 are formed so that the size of the closed ring can be freely enlarged or reduced.
7b and 30b are movable. In other words, the long member 53 inserted into the insertion section 20 has a plurality of grips 27b, 30
b, even if it has an irregular cross-sectional shape, if the closing ring surrounding the long member 53 is reduced, a state in which three or more contact points can be stably clamped can always be created. . That is, according to the first to fourth chuck devices according to the present embodiment, it is possible to appropriately clamp a work having an irregular cross-sectional shape.

When the end of the long member 53 is gripped by the first chuck device 13, the first chuck device 13 is moved in the direction of arrow C in FIG. The other end is inserted and penetrated into the hole 14c of the second chuck device 39 having the roller grippers 27c and 30c in the released state, and is disposed below the processing head 36 of the processing head unit 32.

In this state, similarly to the first chuck device 13, the drive cylinder 25 of the second chuck device 39 is moved to the position shown in FIG.
Driven in the direction of arrow F, the roller grippers 27c, 30
Similarly, c is synchronously moved in the direction indicated by arrow Q in FIG. 13 at a constant speed, and the distal end of the long member 53 is gripped so as to be centered.

When the long member 53 is gripped in a manner centered by the first and second chuck devices 13 and 39, the work mounting portion 11a of the work transfer device 11 shown in FIG. Is retracted in the direction of arrow B. Next, the first chuck device 39 is appropriately moved and driven in the direction of arrow C in FIG. 1 so that the long member 5 held by the first and second chuck devices 13 and 39 is held.
3 is sent to the processing head section 32 side, and a portion of the long member 53 to be processed is positioned at a predetermined processing position below the processing head 36.

At this time, the long member 53 is held by the roller holding portions 27c and 30c of the second chuck device 39 in the axial center CT.
1 is not rotatable, but is movably supported in the directions of arrows C and D which are the X-axis directions. The member 53 can be easily moved in the X-axis direction while maintaining the centering state.

When the portion of the long member 53 to be processed is positioned at a predetermined processing position below the processing head 36, a laser beam is supplied to the processing head 36 via the laser oscillator 31 and the laser optical path tube 35. And torch 37
Then, a laser beam is emitted to the long member 53 to start cutting. Processing is based on a predetermined processing program,
The rotary heads 17 and 17 of the first and second chuck devices 13 and 39 are driven to rotate synchronously around the central axis CT1 by the drive motor 16 via a numerical controller (not shown) to rotate the long member 53 along the X-axis. The first chuck device 13 is driven to move in the directions indicated by the arrows C and D while the first chuck device 13 is driven to rotate in such a manner that the angle can be freely held at an arbitrary position around the periphery (that is, the C axis). And at any position in the direction of the C-axis so as to be capable of positioning and holding.

The torch 37 is, as already described,
Arrows K, L-direction Y-axis, arrow M, N-direction Z-axis, arrow O, P-direction A-axis, arrow QB,
Since the movable member can be moved and positioned in the B-axis direction which is the RB direction, three-dimensional three-dimensional machining can be easily performed on the long member 53 in combination with the movement driving operation of the long member 53 described above.

When the cutting of the long member 53 by the torch 37 is completed, the cut work is discharged to the cut work discharge section 32a by the work storage section 42a of the first work receiving device 40 as shown in FIG. Is done. When the cut work is discharged to the work discharge section 32a, the first chuck device 13 is again driven to move by a predetermined amount in the direction of arrow C, that is, the direction of the processing head 36, and the unprocessed portion of the long member 53 is moved to the second chuck device 39. Is sent again to the direction of arrow C, that is, to the processing head 36 side, and the predetermined processing based on the processing program is continuously performed by the torch 37.

In the case described above, the end of the long member 53 is cut while the long member 53 is supported in a cantilever state by the first and second chuck devices 13 and 39, and the processed work is processed. The case where the workpiece is ejected to the workpiece ejection part 32a provided below the head 36 has been described. However, in the laser machining apparatus 1, in addition to the above-described machining method, the third chuck apparatus 43 and, if necessary, the fourth chuck The long member 53 is held by the device 47, and the long member 53 is supported by the chuck devices 13, 39, 43, and 47 on both sides of the processing device. In this state, the long member 53 is held between the chuck devices 39 and 43. It is also possible to perform a cutting process using the torch 37.

In this case, the third chuck device 43 is capable of moving and positioning over a predetermined distance range in the directions of arrows C and D, and the fourth chuck device 47 is capable of moving and positioning over substantially the entire X-axis of the rear work feeder 6. Since the positioning is possible, when holding the long member 53, the long member 53
The third chuck device 43 or the fourth chuck device 47 is moved in the X-axis direction in accordance with the length of the work to be cut from the workpiece. The member 53 is made to protrude in the direction of arrow C in the direction of arrow C longer than in the case of the above-mentioned processing in the cantilever state, and the long member 53 is held by the third chuck device 43 and, if necessary, the fourth chuck device 47. Then, the long member 53
Is held on both sides of the processing portion with the torch 37 interposed therebetween, so that the long member 53 does not bend due to its own weight, and high-precision processing becomes possible.

The third chuck device 43 also holds the long member 53 to the roller holding portion 27 similarly to the second chuck device 39.
Since the long member 53 is freely moved in the directions indicated by the arrows C and D, it is possible to hold the elongate member 53 by freely gripping the workpieces c and 30c, so that a workpiece having an arbitrary length can be easily cut.

Further, the long member 53 can be rotated and positioned around the central axis CT1 at an arbitrary angular position, or can be processed while being rotated at a predetermined angular velocity. This can be easily performed by synchronously rotating the rotary heads 17 of the fourth chuck devices 13, 39, 43, and 47.

The first and fourth chuck devices 13 and 4
7, while holding the long member at both ends thereof, the first and fourth chuck devices 13, 47 are synchronously moved and driven in the X-axis direction to thereby move the long member to the second and third chuck devices 39, Of course, it is also possible to perform processing while slidingly supporting at 43.

As described above, when sending a long member, the first
One end of the long member is fixedly held by the chuck device 13 (fourth chuck device 47), and the second chuck device 3
9 (third chuck device 43) movably (guide) support the position near the center of the long member. Accordingly, the long member can be automatically fed without the long member being distorted by its own weight. The first chuck device 13 (fourth chuck device)
Since the claw members 27 and 30 of the chuck device 47) can be fitted into the holes 14c of the second chuck device 39 (the third chuck device 43), one end of the grasped long member can enter the holes 14c. The end portion can be fed in the feed direction as much as possible. As a result, the machining allowance that cannot be processed is reduced, and the yield is improved.

When a relatively long work is cut out, the work cut by the torch 37 is moved by the arrow C while the fourth chuck device 47 holds the cut work with the third chuck device 43 released. Move in the direction
The second, third, and fourth work receiving devices 4 that have been preliminarily driven to swing in the direction of the central axis CT1 when the cut end of the work is displaced from the third chuck device 43 in the direction of arrow C.
The cut work is moved onto 5, 50, 55.

Further, in this state, the gripping portions 27b and 30b of the fourth chuck device 47 are released, and the actuator 14f of the fourth chuck device 47 is driven to cause the kickout plate 14h to protrude. Third,
It is transferred onto the fourth work receiving devices 45, 50, 55.
Then, the second, third, and fourth work receiving devices 45, 50,
5 and 6, the cut work is conveyed downward by the conveyor device 5 of the work unloading device 51.
Transfer to 2 above. The cut work transferred onto the conveyor device 52 is appropriately carried out to the outside by the conveyor device 52 and human power.

The long member 53 is transported to the processing head 32 by the first and second chuck devices 13 and 39, and the cut work is carried out of the processing head 32 by the third and fourth chuck devices. 43 and 47 are mainly performed, but the second and third chuck devices 3 on the processing head portion 32 side
9 and 43, as shown in FIGS. 11 and 12, the third chuck device 43 is moved to the rightmost position in the drawing, and the roller holding portions 30c, 30c of each other come into contact with each other. Therefore, the distal end of the long member 53 held on the second chuck device 39 side can be held with a minimum protruding length from the third chuck device 43, and the long member 53 can be shortened in the X-axis direction. In the case of cutting, even in the case where the cut work is further gripped on the third chuck device 43 side and edge processing is performed, the work can be reliably gripped.

The first and fourth chuck devices 13 and 4
7 is the claw member 2 as shown in FIGS.
7 and 30 are fitted into the holes 14c of the rotary head 17 of the second and third chuck devices 39 and 43, and the gripping portions 27b and 30b at the distal ends thereof are fitted into the second and third chuck devices 39 and 4 respectively.
3 can reach the vicinity of the roller gripping portions 27c, 30c, so that when the processing is performed by the processing head 36 while being gripped by the first and fourth chuck devices 13, 47, the gripping margin for the processing is minimized. It is possible to perform processing in a form in which the useless amount of uncut portion is minimized, and it is possible to improve the material yield.

The remaining material of the long member 53 that has finally remained on the side of the first chuck device 13 or the fourth chuck device 47 is released by driving the actuator 14f with the claw members 27 and 30 released. 14h to FIG.
By protruding in the direction of arrow C or D, it is possible to smoothly discharge the chuck devices 13 and 47 to the outside.

In the above-described embodiment, the laser processing apparatus has been described as the three-dimensional linear processing apparatus. However, the three-dimensional linear processing apparatus is not limited to the laser processing apparatus, and may cut a member linearly. If possible, various three-dimensional linear processing devices such as a plasma cutting device and a gas cutting device can be used.

Further, the control axis configuration of the above-described laser processing apparatus 1 is such that the torch 37 of the processing head
The first chuck device 13, the third chuck device 43, and the fourth chuck device 47 have a two-control shaft configuration of X-axis and C-axis control, and a second chuck device 39.
Is a one-axis configuration of the C-axis control, but the control axis configuration of the entire apparatus may be any configuration as long as the free-form surface shape can be processed by the processing head 36.

In the above-described embodiment, the connection plate 26
Although four clamp members consisting of (29) and the claw members 27 (30) are provided, the number is not limited to four. For example, it is also possible to provide a clamp device by providing three or five or more clamp members.

In the above-described embodiment, the grip portion 27b,
Although the widths LW of the 30b (the roller gripping portions 27c and 30c) are all the same, the widths do not have to be the same.

[Brief description of the drawings]

FIG. 1 is a front view showing an entire laser processing apparatus as an example of a three-dimensional linear processing apparatus.

FIG. 2 is a plan view of the laser processing apparatus of FIG.

FIG. 3 is a side view showing the vicinity of a first chuck device in the laser processing apparatus of FIG. 1;

FIG. 4 is a side view showing the vicinity of a second chuck device in the laser processing apparatus of FIG. 1;

FIG. 5 is a side view showing the vicinity of a third chuck device in the laser processing apparatus of FIG. 1;

FIG. 6 is a side view showing the vicinity of a fourth chuck device in the laser processing apparatus of FIG. 1;

FIG. 7 is a side view of a carry-in conveyor part in the laser processing apparatus of FIG. 1;

FIG. 8 is a side view showing an example of an operation mode of the work receiving device.

FIG. 9 is a side view showing an example of an operation mode of the work receiving device.

FIG. 10 is a side view showing an example of an operation mode of the work receiving device.

FIG. 11 is a plan view showing a state where the first to fourth chuck devices approach the maximum.

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a front view of the second and third chuck devices.

FIG. 14 is a side view of the second and third chuck devices.

FIG. 15 is a front view showing a claw opening / closing drive unit of the chuck device.

FIG. 16 is a side view of FIG.

FIG. 17 is a front view of first and third chuck devices.

FIG. 18 is a side view of FIG. 17;

FIG. 19 is a side view showing an example of a work support for mounting various long works.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Linear processing apparatus (laser processing apparatus) 13 ... 1st raw material gripping means (1st chuck apparatus) 14t ... Opening 14c ... Through-hole (hole) 15 ... 1st gripping means main body, 1st 2 gripping means body (main body) 27, 30... First gripping part, second gripping part (claw member) 27 c, 30 c... Roller (roller gripping part) 36... Processing means (processing head) 39. ... Second material gripping means (second chuck device) 43... Second material gripping means (third chuck device) 47... First material gripping device (fourth chuck device) 53. (Measurement member) 60 Material feeder 62 Material holding means set (first chuck device set) 63 Material holder means set (second chuck device set)

Claims (6)

[Claims] 1. A material feeding device for feeding a processing material in a feeding direction, comprising: a material holding means set having a first material holding means and a second material holding means arranged in the feeding direction; The material gripping means is formed with a first gripping means main body and a shape protruding toward the second material gripping means side with respect to the first gripping means main body, and can fix the processing material in the feed direction. A second gripping means main body, and a second gripping means main body is formed through the second gripping means main body, and the first gripping part is It has a through hole that can be fitted, and a second gripper that grips the processing material so as to be movable in the feed direction. The first and second material gripping means are relatively positioned in the feed direction. A material feeder characterized by being provided so as to be able to approach and leave freely. 2. The material feeder according to claim 1, wherein the second gripping portion is disposed near an opening of the through hole facing away from the first material gripping means. . 3. The device according to claim 1, wherein the first grip portion is formed so as to be adjacent to the second grip portion in the feed direction when the first grip portion is fitted into the through hole. Material feeder. 4. A material feeding device according to claim 1, wherein said first gripping portion is formed in a claw shape, and said second gripping portion is formed by a rotatable roller. 5. The apparatus according to claim 1, wherein two sets of the material gripping means are provided in the feed direction, and the second material gripping means are arranged to face each other.
Material feeder as described. 6. A material feeding device according to claim 1, comprising: a material feeding device; and a processing means capable of linearly processing the processing material fed in the feed direction by the material feeding device. Linear processing equipment.