JP3576319B2 - Laser punch combined processing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a laser / punch combined machining apparatus.
[0002]
[Prior art]
For example, JP-A-2-224829 discloses an example of a laser / punch combined processing machine in which a turret punch press (1) and a laser processing apparatus (7) are combined. In this laser / punch combined processing machine, the laser processing position (47) of the laser processing apparatus is on a fixed table slightly separated from the punching processing position (45) of the turret punch press in the front-rear direction (usually the Y-axis direction). It is provided. Note that the width in the left-right direction (width in the X-axis direction) of the fixed table is substantially the same as the upper and lower turrets (61, 65). And the product cut | disconnected by the turret punch press or the laser processing apparatus discharges inclining either the large or small shooter table (51, 53) provided in the fixed table (21).
[0003]
[Problems to be solved by the invention]
Since the shooter table of the laser / punch combined processing machine is provided on the fixed table, there is a problem that the width in the left-right direction (X-axis direction) of the shooter table is limited by the width of the fixed table. The width of the fixed table is determined by the diameter of the turret, and has a property that cannot be increased in the left-right direction (X-axis direction).
[0004]
In order to carry out a large-sized cut piece without using the shooter table, the cut piece is adsorbed from above the moving table and lifted above the moving table, and the cut piece is placed outside the laser / punch combined processing machine. This is possible by installing a large-sized cut piece carrying device that is transported and carried out. However, this requires a large space for installing the cutting piece carry-out device and has a problem in terms of cost.
[0005]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a laser that can carry out a laser-cut cut piece without separately installing a large cut-piece carry-out device. It is to provide a combined punch machining apparatus.
[0006]
[Means for Solving the Problems]
As a means for solving the above-mentioned problems, the laser / punch combined processing apparatus according to claim 1 is a laser / punch combined processing apparatus in which a punch press and a laser processing apparatus are combined. A movable side table adjacent to one side and movable in the Y-axis direction and a fixed side table fixed adjacent to the other side of the central fixed table are provided, and the laser processing unit of the laser processing apparatus is Provided above the fixed side table that is spaced apart from the punching part of the punch press in the X-axis direction, and the movable side table is integrated with a plate material positioning device that positions the plate material with respect to the laser processing part and the punching part The gist is that a cutting material discharge table is provided on the fixed side table. That.
[0007]
The laser / punch combined processing apparatus according to claim 2 is a laser / punch combined processing apparatus in which a punch press and a laser processing apparatus are combined, and is adjacent to one side of a central fixing table of the punch press. A movable side table movable in the axial direction and a fixed side table fixed adjacent to the other side of the central fixed table are provided, and the laser processing unit of the laser processing apparatus is moved from the punching processing unit of the punch press to X Provided above the fixed side table spaced apart in the axial direction, the moving side table is integrally connected to a plate material positioning device for positioning the plate material with respect to the laser processing unit and the punching processing unit, A rotatable cutting material discharge table having a rotation shaft that rotates about an axis parallel to the X-axis direction on a fixed side table. It is an essence that digit.
[0008]
The laser / punch combined machining apparatus according to claim 3 is the laser / punch combined machining apparatus according to claim 2, wherein the position of the axis of the rotation shaft provided on the cutting material discharge table is the laser machining unit. The gist of the invention lies in a vertical plane including the center and the center of the punched portion.
[0009]
The laser / punch combined machining apparatus according to claim 4 is the laser / punch combined machining apparatus according to claim 2, wherein the position of the axis of the rotation shaft provided on the cutting material discharge table is the laser machining unit. The gist of the present invention lies in the rear and in a plane parallel to the vertical plane.
[0010]
Therefore, according to the laser / punch combined machining apparatus of claim 1, claim 2, claim 3 or claim 4, a large-sized cut piece can be obtained without being restricted by the width of the central fixed table in the X-axis direction. It became possible to discharge from the fixed side table. Moreover, since it is not necessary to separately install a large-sized cut piece carry-out device, it is possible to discharge a large-sized cut piece from the fixed side table at a low cost.
[0011]
The laser / punch combined processing apparatus according to claim 5 is a laser / punch combined processing apparatus in which a punch press and a laser processing apparatus are combined, and is adjacent to one side of the center fixing table of the punch press. A movable side table movable in the axial direction and a fixed side table fixed adjacent to the other side of the central fixed table are provided, and the laser processing unit of the laser processing apparatus is moved from the punching processing unit of the punch press to X Provided above the fixed side table spaced apart in the axial direction, the moving side table is integrally connected to a plate material positioning device for positioning the plate material with respect to the laser processing unit and the punching processing unit, A roller table for transferring a cutting material from the fixed side table to the outside is provided on the fixed side table, and the roller The cutting material unloading line of the table is provided at a position slightly lower than the plate material pass line of the plate material positioning device, and the cutting material is moved to the roller table to the pass line position and a position below the cutting material unloading line. The gist of the invention is that a positioning-movable cutting member vertical movement device is provided.
[0012]
The laser / punch combined machining apparatus according to claim 6 is the laser / punch combined machining apparatus according to claim 5, wherein the roller table and the cutting material up-and-down moving device are provided behind the laser processing unit. Is a summary.
[0013]
Therefore, according to the laser / punch combined machining apparatus according to claim 5 or 6, the large cut piece is carried out from the fixed side table to the outside without being restricted by the width of the central fixed table in the X-axis direction. It became possible. In addition, since it is not necessary to separately install a large-sized cut piece carrying device, it is possible to carry out a large-sized cut piece from the fixed side table to the outside at a low cost.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a laser / punch combined machining apparatus according to the present invention, and FIG. 2 is a plan view of FIG.
[0015]
Referring to FIG. 1, a laser / punch combined processing apparatus 1 is a combination of a punch press 3 and a laser processing apparatus 5. Although the turret punch press is illustrated as the punch press 3 in the present embodiment, it is not limited to the turret punch press, and other punch presses can be adopted.
[0016]
The frame of the punch press 3 includes a lower frame 7, side frames 9 and 11 that are integrally provided vertically on both sides of the lower frame 7, and an upper frame 13 that is supported by the side frames 9 and 11. The punch press 3 includes upper and lower turrets 21 and 23 each having a ram 15 and rotary shafts 17 and 19. The upper and lower turrets 21 and 23 each include a plurality of punching dies including a punch 25 and a die 27. I have it.
[0017]
The ram 15 is provided at a substantially central portion of the upper frame 13 so as to be movable up and down. The ram 15 is moved up and down by a power source (not shown) so as to strike the punch 25 indexed and positioned downward. The upper turret 21 is rotatably suspended from the upper frame 13 via a vertical rotation shaft 17 so that a part thereof is located below the ram 15, and the lower turret 23 has the same axis immediately below the upper turret 21. The lower frame 7 is rotatably supported while holding the heart.
[0018]
The upper and lower turrets 21 and 23 are provided with punches 25 and dies 27 corresponding to the upper and lower sides, and in order to index a desired set of punches 25 and dies 27 directly below the ram 15, The turrets 21 and 23 are configured to rotate synchronously. The punch 25 and the die 27 are arranged on the concentric circles of the upper and lower turrets 21 and 23.
[0019]
Referring to FIGS. 1 and 2, as a plate material positioning device for moving and positioning the plate material W, the punch press 3 is horizontal in the direction approaching or separating from the upper and lower turrets 21 and 23 (or the Y-axis direction). A freely movable Y-axis carriage 29 is provided. Further, the Y-axis carriage 29 is provided with an X-axis carriage 31 movably provided in the X-axis direction orthogonal to the Y-axis direction. The X-axis carriage 31 is used for clamping the end of the plate material W. A plurality of clamping devices 33 are mounted. The Y-axis carriage 29 is movably supported on rails 35 provided on both upper sides of the lower frame 7, and the upper and lower turrets 21, 23 can be moved and positioned. Further, the X-axis carriage 31 equipped with the clamp device 33 can be moved and positioned in the X-axis direction by the X-axis drive motor 39 and the X-axis drive mechanism 42.
[0020]
A central fixed table 43 provided with a free bearing 41 for movably supporting the plate member W is provided on the lower frame 7. On one side of the central fixed table 43 (upper side in FIG. 2), a movable side table 45 provided with the free bearing 41 and movable in the Y-axis direction is provided adjacently. The movable side table 45 is movably supported on the rail 35 and has one end connected to the Y-axis carriage 29. A fixed side table 47 provided with a free bearing 41 is provided on the other side of the central fixed table 43 (lower side in FIG. 2). Then, the plate material W is transferred by the plate material positioning device on the pass line PL formed by the upper surfaces of the free bearings 41 provided on the central fixed table 43, the movable side table 45 and the fixed side table 47.
[0021]
With the above configuration, when the Y-axis carriage 29 is moved in the Y-axis direction, the moving side table 45 is also moved integrally. Accordingly, the plate material W clamped by the clamp device 33 can be transferred between the upper and lower turrets 21 and 23 by appropriately moving the plate material positioning device composed of the X-axis carriage 31 and the Y carriage 29. And can be positioned at the punched portion center O ₁ immediately below the ram 15. The indexing punching die in need from a plurality of punching dies mounted on the upper and lower turrets 21, 23 prior to positioning the plate material W to the punching unit center O _1, ram drive mechanism (not Omitting), the ram 15 is actuated and the punch of the punching die is struck, whereby an appropriate punching process can be performed on the plate material W.
[0022]
The laser processing apparatus 5 includes a laser oscillator 49 and a laser processing head 51, and a laser beam LB from a gas laser oscillator 49 such as a carbon dioxide laser is transmitted through the optical transmission path 53 including a plurality of bend mirrors BM. It is transmitted to the head 51. Since the gas laser oscillator 49 uses a known gas laser oscillator, its description is omitted.
[0023]
The laser processing head 51 is provided with a condensing lens (not shown) for irradiating the plate material W with the laser beam LB and a nozzle for injecting assist gas to the processing portion of the plate material. Further, the laser processing head 51 is supported on the upper frame 13 of the punch press 3 via an appropriate vibration-proof structure (not shown).
[0024]
The position of the laser processing portion center O _{2 where} the laser processing is performed by the laser processing head 51 is provided above the fixed side table 47 that is separated from the punching processing portion center O _{1 in the} X-axis direction. The position of the laser processing portion center O ₂ is desirably provided at the end of the fixed side table 47 on the side adjacent to the central fixed table 43.
[0025]
With the above configuration, in order to perform laser processing or laser cutting, the plate W is moved to the laser processing center O ₂ below the laser processing head 51 using the positioning device of the punch press 3, and the surface of the plate W A laser beam can be focused on and an assist gas can be injected at the same time to cut an arbitrary shape.
[0026]
As shown in FIGS. 1 and 2, the fixed side table 47 is provided with a cutting material discharge table 55 </ b> A capable of discharging a large cutting material generated by laser cutting. A rotary shaft 57A of the cutting material discharge table 55A is provided so as to be rotatable around an axis parallel to the X-axis direction. The cutting material discharge table 55A is driven by a driving device such as a fluid pressure cylinder (not shown). The fixed side table 47 can be opened and closed downward. Position location of the rear of the laser processing unit center O ₂ of the rotary shaft 57A is provided with a (in FIG. 1), position the punching unit center O ₁ and the laser processing of the open end of the cutting material discharge table 55A is provided so as to be parallel to the extended line of the straight line L connecting the parts center O _2.
[0027]
With the above configuration, in order to discharge the cutting material cut by the laser downward from the cutting material discharge table 55A, when the cutting end position of the cut product to be cut comes to the position of the laser processing center O ₂ , What is necessary is just to start a cutting | disconnection by deciding a cutting start position so that a cutting product may exist in the upper part of the cutting material discharge | emission table 55A behind the said straight line L. FIG. In other words, when the cutting start position of the cut product to be cut is positioned at the laser processing part center O ₂ , the product shape part after cutting is positioned and cut so as to exist above the cutting material discharge table 55A. Just start.
[0028]
After cutting as described above, if the cutting material discharge table 55A is rotated downward in the fixed side table 47, the cutting material falls downward due to gravity. It is also possible to convey this falling cutting material to an appropriate place by receiving it on a belt conveyor (not shown). In addition, as shown with the phantom line in FIG. 1, you may provide the cutting material discharge | release table 55B which opens and closes in a reverse direction. At this time, the position of the axis of the rotating shaft 57B of the cutting material discharge table 55B is is provided so as to position in a vertical plane containing said laser processing unit center O ₂ and the punching unit center O _1.
[0029]
FIG. 3 shows an example in which a cutting material discharge table according to another embodiment for discharging the cutting material from the fixed side table 47 is provided. 4 is a cross-sectional view taken along line IV-IV in FIG. 3 and 4, parts that are the same as the parts in FIG. 2 are given the same reference numerals, and descriptions thereof are omitted.
[0030]
Referring now to FIGS. 3 and 4, in the fixed side table 47, the punching unit center O ₁ and the rear of the straight line L connecting the laser processing unit center O ₂ (left side in FIG. 3), the fixed side A roller table 59 for transferring the cutting material from the table 47 to the outside is provided. A plurality of rollers 61 parallel to the X axis are rotatably supported on the roller table 59 at intervals. Further, sprockets (not shown) are provided at the shaft ends of these rollers, and a chain 63 is wound around the sprockets. In addition, one of the plurality of rollers 61 (the leftmost roller in FIG. 4) is a drive roller, and is provided so as to be rotated by a drive motor (not shown) fixed to the roller table 59. is there.
[0031]
A cutting material transfer device 65 is provided at a position below the roller table 59. In the cutting material transfer device 65, the free bearings 41 are arranged at appropriate intervals on the upper surfaces of the comb teeth 69 of the free bearing support 67 having a comb-shaped cross section, and the comb teeth 69 of the free bearing support 67 are arranged. The portion is provided between the plurality of rollers 61 of the roller table 59 so as to freely advance and retract. As a means for moving the free bearing support 67 forward and backward between the rollers 61, a piston rod 73 of a fluid pressure cylinder 71 installed on the floor GL is connected to the lower surface of the free bearing support 67.
[0032]
In the cutting material transfer device 65 configured as described above, when the fluid pressure cylinder 71 is operated to extend the piston rod 73 and the free bearing support 67 is positioned at the upper limit position, the free bearing 41 on the free bearing support 67 is obtained. Is provided so that the position of the upper surface coincides with the pass line PL. Further, when the piston rod 73 of the fluid pressure cylinder 71 is contracted, the cutting material unloading line TL in which the position of the upper surface of the free bearing 41 on the free bearing support 67 passes through the upper surfaces of the plurality of rollers 61 of the roller table 59. It is provided so as to descend to a lower position. The position of the cutting material carry-out line TL is set below the position of the pass line PL.
[0033]
Therefore, the cut product cut by the laser is supported on the free bearing 41 of the free bearing support 67 provided on the roller table 59 as described above, and then the position of the upper surface of the free bearing 41 arranged on the free bearing support 67. Is lowered to a position below the cutting material carry-out line TL, so that the cutting material supported on the free bearing 41 of the free bearing support 67 is transferred onto the roller 61 of the roller table 59. Become. When the cutting material is transferred onto the roller 61 of the roller table 59, the cutting material can be transferred to the outside from the fixed side table by rotating the driving roller counterclockwise as shown in FIG.
[0034]
【The invention's effect】
According to the invention according to claim 1, claim 2, claim 3, claim 4, claim 5 or claim 6, it is not necessary to separately install a large-sized cut piece unloading device. A large cutting material (or a cut product) can be easily carried out from the laser / punch combined processing apparatus at low cost.
[Brief description of the drawings]
FIG. 1 is a front view of a laser / punch combined machining apparatus according to the present invention.
FIG. 2 is a plan view of FIG.
FIG. 3 is a plan view of another embodiment of the combined laser / punch processing apparatus according to the present invention.
4 is a cross-sectional view taken along the line IV-IV in FIG. 3;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Laser punch combined processing apparatus 3 Punch press 5 Laser processing apparatus 7 Lower frame 9 Side frame 11 Side frame 13 Upper frame 15 Ram 17, 19 Rotating shaft 21 Upper turret 23 Lower turret 25 Punch 27 Die 29 Y-axis carriage 31 X axis Carriage 33 Clamp device 35 Rail 37 Y-axis drive motor 39 X-axis drive motor 41 Free bearing 42 X-axis drive mechanism 43 Central fixed table 45 Moving side table 47 Fixed side table 49 Laser oscillator 51 Laser processing head 53 Optical transmission path 55 (A B) Cutting material discharge table 57 (A, B) Rotating shaft 59 Roller table 61 Roller 63 Chain 65 Cutting material transfer device 67 Free bearing support 69 Comb tooth 71 Fluid pressure cylinder 73 Piston rod BM Domira GL floor LB laser beam _{O 1} punched section center _{O 2} laser processing unit center PL pass line TL cutting material out line W plate

Claims (6)

In a combined laser / punch processing apparatus in which a punch press and a laser processing apparatus are combined, a movable side table movable in the Y-axis direction adjacent to one side of the center fixed table of the punch press, and the center fixed A fixed side table fixed adjacent to the other side of the table, and provided above the fixed side table that separates the laser processing unit of the laser processing apparatus in the X-axis direction from the punching processing unit of the punch press, The moving side table is integrally connected to a plate material positioning device for positioning the plate material with respect to the laser processing portion and the punching processing portion, and a cutting material discharge table is provided on the fixed side table. Laser punch combined processing equipment. In a combined laser / punch processing apparatus in which a punch press and a laser processing apparatus are combined, a movable side table movable in the Y-axis direction adjacent to one side of the center fixed table of the punch press, and the center fixed A fixed side table fixed adjacent to the other side of the table, and provided above the fixed side table that separates the laser processing unit of the laser processing apparatus in the X-axis direction from the punching processing unit of the punch press, The moving side table is integrally connected to a plate material positioning device for positioning the plate material with respect to the laser processing portion and the punching processing portion, and is arranged around the axis parallel to the X-axis direction on the fixed side table. Laser / punch combined machining characterized in that a rotatable cutting material discharge table having a rotating shaft is provided. Location. 3. The laser beam according to claim 2, wherein a position of an axis of a rotation shaft provided on the cutting material discharge table is located in a vertical plane including the center of the laser processing portion and the center of the punching processing portion. Punch combined processing equipment. The position of the axis of the rotation shaft provided on the cutting material discharge table is located behind the laser processing unit and in a plane parallel to the vertical surface. Laser punch combined processing equipment. In a combined laser / punch processing apparatus in which a punch press and a laser processing apparatus are combined, a movable side table movable in the Y-axis direction adjacent to one side of the center fixed table of the punch press, and the center fixed A fixed side table fixed adjacent to the other side of the table, and provided above the fixed side table that separates the laser processing unit of the laser processing apparatus in the X-axis direction from the punching processing unit of the punch press, The moving side table is integrally connected to a plate material positioning device for positioning the plate material with respect to the laser processing portion and the punching processing portion, and a cutting material is externally connected to the fixed side table from the fixed side table. A roller table for transport is provided, and the cutting material unloading line of the roller table is positioned on the plate material. A cutting material up-and-down moving device is provided at a position slightly lower than the pass line of the mounting plate material, and the cutting material can be moved and positioned on the roller table to the pass line position and a position below the cutting material carry-out line. Laser punch combined machining device characterized by that. 6. The laser / punch combined machining apparatus according to claim 5, wherein the roller table and the cutting member vertical movement device are provided behind the laser machining unit.

Images