JP3167819B2 - 3D plate processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional plate material composite processing apparatus, and more particularly to a three-dimensional plate material composite processing apparatus for completing a three-dimensional plate processed product by a combination of laser processing and pressure forming processing. It is.

[0002]

2. Description of the Related Art For example, as shown in FIG. 4, a three-dimensional processed plate material is formed by various processes such as a press forming portion such as a punching portion, embossing, burring, a cutting portion and a bending portion. Conventionally, press forming such as drilling, embossing, burring, etc. is performed by a turret punch press, cutting is performed by a laser processing device, and bending is performed by a bending machine. ing.

[0003]

Therefore, in order to complete the above-mentioned plate material processed product, a turret punch press for press forming, a laser processing machine for cutting, a bending machine for bending, and others. A plurality of processing machines and tools such as welding machines and finishing tools are required.

[0004] In handling a plurality of machines, a plurality of operators are required, and it is necessary to change a work jig as needed in accordance with a change in a workpiece, and a lot of time is required for such pre-setup work. .

[0005] In the processing field mainly in the sheet metal processing of the trial operation, which requires a short product change cycle and requires a large number of kinds of small-quantity production, how to improve the processing efficiency of such low-productivity products is a major issue. Has become.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and produces a three-dimensionally processed plate material including various processing parts with high processing efficiency without requiring many processing machines. It is an object of the present invention to provide a three-dimensional sheet material composite machining apparatus capable of performing machining with high accuracy, with a small number of shafts, excellent handling, and high precision.

[0007]

Means for Solving the Problems Conventional problems as described above
In view of the above, the present invention holds the plate material in a vertical
Work-holding / transporting member that can move in the front-back direction
And the X-axis direction for performing the laser processing of the plate material.
It is movable in the left-right direction, which is the direction of the orthogonal Y axis, and
On the Z-axis direction orthogonal to the axial direction and the Y-axis direction
A laser processing head movably provided in a downward direction ;
It is arranged opposite to the left and right direction with the plate material in between and it can move up and down and
Equipped with a press forming tool at the tip and moves left and right
Three-dimensional plate material composite processing with free left and right pressure arms
In the apparatus, the workpiece holding and conveying member is a three-dimensional plate material.
Along the upper center beam provided on the frame of the multitasking machine
To move forward and backward and extend outward from the frame.
Of the extension of the upper center beam
It can be held freely so that the upper part of the plate material located at the bottom is suspended
Yes, the laser processing head moves up, down, left and right
Movement area of the area and the left and right pressure arms in the vertical and horizontal directions
Region is deviated in the front-back direction, and the laser processing head is
Position of the plate with respect to the arm and the left and right pressure arms
The determination is made by the forward and backward movement of the workpiece holding and conveying member.
It is good .

[0008]

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

FIGS. 1 and 2 show an embodiment of a three-dimensional plate material composite machining apparatus according to the present invention. The three-dimensional plate material composite processing apparatus has a rectangular frame 1. The frame 1 includes a lower right side beam 3 and a lower left side beam 5 extending in the front-rear direction that is the X-axis direction , and a lower cross beam connecting both ends of the lower right side beam 3 and the lower left side beam 5 to each other. The lower frame 11 composed of 7 and 9 is connected to the upper right side beam 13 and the upper left side beam 15 extending in the X-axis direction, and both ends of the upper right side beam 13 and the upper left side beam 15 are connected to each other. The upper frame 21 includes upper cross beams 17 and 19, and four posts connecting the lower frame 11 and the upper frame 21 to each other at four corners form a highly rigid box.

The left and right direction of the upper frame 21 (Y-axis direction)
An upper center beam 23 extending in parallel with the upper right side beam 13 and the upper left side beam 15, that is, extending in the X-axis direction and bridging between the upper cross beams 17 and 19 is integrated with Is provided . A ceiling guide rail 25 is attached to the upper center beam 23 in the X-axis direction, and a work holding / transporting member 27 is suspended from the ceiling guide rail 25.

The workpiece holding / transporting member 27 suspends and holds a workpiece W, which is a workpiece, in a vertical position so as to be detachable, and holds the plate material W in the vertical position while holding the plate material W in a vertical position.
5 and is movable in the X-axis direction, and is positioned and driven in the X-axis direction by a general servo-driven feed screw mechanism (not shown).

The upper center beam 23 and the ceiling guide rail 25 have extensions 23a and 25a extending outward from the upper frame 21, and the workpiece holding / transporting member 27 is shown in FIG. As shown in the drawing, the sheet material W is positioned at a sheet material transfer position outside the upper frame 21 and receives the sheet material W from the sheet material transporting cart 29.

The upper frame 21 is fixedly mounted with a laser processing Y-axis guide rail 33 which is bridge-mounted with a base portion 31 between the upper right side beam 13 and the upper left side beam 15. The laser processing Y-axis guide rail 33 extends in the Y-axis direction at a predetermined position in the X-axis direction, and the carriage 35 is movable on the laser processing Y-axis guide rail 33 in the Y-axis direction. . The carriage 35 is positioned and driven in the Y-axis direction by a general servo-driven feed screw mechanism or the like (not shown).

The carriage 35 has a Z-axis direction (vertical direction).
The vertical movement slider 37 is engaged so as to be able to move. The vertical movement slider 37 is positioned and driven in the Z-axis direction by a feed screw mechanism or the like by a general servo drive (not shown), and has a laser processing head 39 at a lower end portion.
Although not shown in the drawing, the laser processing head 39 faces the plate surface of the plate material W vertically supported by the work holding and transporting member 27 with an arbitrary three-dimensional spatial orientation by three rotation shaft configurations, A laser beam provided from a laser oscillator 41 via an optical path (not shown) is applied to the plate surface of the plate material W to perform a laser cutting process and a laser welding process.

A right robot frame 43 connecting the lower right side beam 3 and the upper right side beam 13 to each other is connected between the lower right side beam 3 and the upper right side beam 13. The left robot frame 45 is connected integrally to each other, and the left robot frame 45 is integrally fixedly mounted.
Reference numeral 7 denotes a left-side pressure forming robot 49 attached to the left robot frame 45.

The right robot frame 43 and the left robot frame 45 are respectively connected to the X-axis guide rails 33 for laser machining.
The right robot frame 43 and the left robot frame 45 are located at the same position in the X-axis direction, although they are located at different positions in the X-axis direction from the axially located position. Forming robots 47, 4
The moving area in the up, down, left, and right directions of the laser processing head 3 is
9 on the both sides of the transport path of the workpiece holding / transporting member 27 at positions deviated in the direction of the transport path of the workpiece holding / transporting member 27, that is, in the X-axis direction, with respect to the moving region of the workpiece holding / transporting member 9 in the vertical and horizontal directions. ing.

Left and right pressure forming robots 47, 49
Have the same structure with the left-right direction reversed. The Z-axis servo motor 55 is engaged with Z-axis guide rails 51 and 53 provided on the right robot frame 43 and the left robot frame 45, respectively. , 57 by means of vertical movement sliders 59, 61 which are positioned and driven in the Z-axis direction. Pressing arm units 63 and 65 are attached to the vertically moving sliders 59 and 61, and the pressing arm units 63 and 65 are driven in the Y-axis direction, that is, the pressure forming direction by the pressure driving motors 67 and 69, respectively. The pressure arms 71 and 73 are provided. The distal ends of the pressing arms 71 and 73 are rotatable around the Y-axis by a rotating shaft (not shown), and press-forming tools 75 and 77 are interchangeably mounted on the respective distal ends of the arms. It has become.

A tool stocker 79 in which various press forming tools are stored in the form of a tool magazine of a machining center and an automatic tool changer 81 are provided on both left and right sides of the frame 1. Automatic tool changer 81
Are configured such that the press forming tools 75, 77 at the ends of the respective arms of the left and right press forming robots 47, 49 are automatically replaced with those stored in the tool stocker 79.

According to the above-described configuration, the work holding / transporting member 27 is guided by the ceiling guide rail 25 to suspend the plate material W, which is a work, in a vertical posture and hold the X.
Positioning movement is performed in the axial direction, whereby the plate material W is positioned and arranged in the X-axis direction with respect to laser processing or pressure forming processing.

In a state where the plate material W is positioned and arranged in the X-axis direction with respect to the laser processing, the carriage 35 is guided by the Y-axis guide rail 33 for laser processing and moves in the Y-axis direction, and the vertical movement slider 37 is moved. The laser beam is radiated from the laser processing head 39 onto the plate surface of the plate W in the Z-axis direction, whereby laser processing is performed at predetermined positions of the plate W in the X-axis direction and the Z-axis direction. This
Processing dust such as dross generated by laser processing
It falls without hanging on the guide rail 33 or the like .

The function of the carriage 35 for moving the laser processing head 39 in the Y-axis direction is equivalent to the function of the laser processing head 3.
In addition to adjusting the gap between the plate material 9 and the processing plate surface of the plate material W, it is provided so that laser processing can be performed from either the left or right side of the plate material W.

In a state where the plate material W is positioned and positioned in the X-axis direction with respect to the pressure forming process, the Z-axis servo motors 55 and 57 of the left and right pressure forming robots 47 and 49 are synchronously driven to move up and down. The sliders 59 and 61 are moved to the same position in the Z-axis direction with respect to each other.
The pressing arms 71, 73 are driven by the pressing arms 71, 73 in a direction approaching each other from both sides of the plate material W with the plate material W interposed therebetween, so that the pressing forming tools 75 mounted on the distal ends of the pressing arms 71, 73. , 77, drilling as shown in FIG. 3 (a), embossing as shown in FIG. 3 (b), bending as shown in FIGS. 3 (c) and 3 (d). A pressure forming process such as a lance process is performed at predetermined positions of the plate material W in the X-axis direction and the Z-axis direction.

[0023]

The present invention can be understood from the above description of the embodiments.
As described above, in the present invention, the plate material W is held vertically.
The workpiece holding / transporting member 27 movable in the front-rear direction is
Of the center beam 23 extending outward from the frame 1
Holds the upper part of the plate material W so as to be suspended at the long part 23a
Because it is free, the plate material for the workpiece holding and conveying member 27
W can be easily mounted and laser processing
Even if machining chips are generated during machining, etc.
This does not involve the transport member 27 .

Then, laser processing is performed on the plate material W.
Of vertical and horizontal movement of laser processing head 39
Left and right with forming tools 75, 77 at the area and at the tip
Of the pressure arms 71 and 73 in the vertical and horizontal directions.
Is deviated in the front-rear direction, and the laser processing head is
39 and the left and right pressing arms 71 and 73
Positioning in the front-rear direction is performed by
The head is designed to be moved back and forth.
The arm 39 and the left and right pressure arms 71 and 73 move simultaneously.
Will not interfere with each other
With the laser processing head 39 and the left and right pressure arms 7
There is no need to position in the front-rear direction with
The simplification of the physical configuration can be achieved .

That is, in the present invention, the workpiece holding
The transport member 27 suspends the plate material W and moves in the front-rear direction.
Quality, so that it is always
Good positioning and laser processing.
The moving area of the working head 39 and the left and right pressure arms 71, 7
3 is shifted in the front-rear direction.
Thus, the configuration can be simplified .

Further , according to the present invention, the configuration as described above
It can solve the conventional problems as described above.
You .

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a three-dimensional plate material composite machining apparatus according to the present invention.

FIG. 2 is a longitudinal sectional view showing one embodiment of a three-dimensional plate material composite machining apparatus according to the present invention.

FIGS. 3A to 3D are perspective views each showing an example of press forming by a pressure forming robot.

FIG. 4 is a perspective view showing an example of a three-dimensionally processed plate material.

[Explanation of symbols]

 1 Frame 25 Ceiling guide rail 27 Work holding and transporting member 33 Y-axis guide rail for laser processing 35 Carriage 37 Vertical movement slider 39 Laser processing head 47, 49 Pressure forming robot 59, 61 Vertical movement slider 63, 65 Add Pressure arm unit 71, 73 Pressure arm 75, 77 Tool for pressure molding 79 Tool exchange tool stocker 81 Automatic tool exchange device

Claims (1)

(57) [Claims] 1. An X-axis direction by holding a plate material (W) in a vertical posture.
Holding and transporting member (2
7) and the X-axis direction for performing the laser processing of the plate material (W).
Freely movable in the left and right direction, which is the Y axis direction orthogonal to the direction
And a Z-axis direction orthogonal to the X-axis direction and the Y-axis direction.
Laser processing head that is movably provided in the vertical direction
(39) and the plate (W) in between, and
Tool for pressure forming at the tip
(75, 77) to move left and right
Three-dimensional plate material composite with pressure arms (71, 73)
In the working apparatus, the workpiece holding / transporting member (27) is
Upper part provided on the frame (1) of the three-dimensional plate processing machine
It is movable back and forth along the center beam (23) and
Upper center bead extending outward from the frame (1)
The extension (2a) of the extension (23a) of the
Hang the upper part of the plate (W) located at the lower part of 3a)
The laser processing head (39)
And the left and right pressure arms
The moving area in the vertical and horizontal directions of (71, 73) is the front and rear
The laser processing head (39) and
(W) for the left and right pressure arms (71, 73)
Of the workpiece holding and transporting member (2)
7) A three-dimensional plate material composite machining apparatus characterized in that it is configured to perform the longitudinal movement .