JP3140510B2 - 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 plate processing machine for processing products such as splice plates or irregularly shaped gusset plates used as steel building members from plate-like works.

[0002]

2. Description of the Related Art Conventionally, a splice plate or an irregularly shaped gusset plate used as a steel building member is processed from a plate-shaped work such as a flat bar. As for this processing method, first, after cutting the work to a predetermined length with a cutting machine, the cut plate is subjected to notch processing with a cutting machine, and further drilling is performed with a drill machine, and a splice plate or It is used as a steel-frame building member as a product as a gusset plate with a different shape.

[0003]

By the way, in processing a plate such as a conventional splice plate or gusset plate as described above, a cutting process, a drilling process and a notching process are separately performed by using a cutting machine or a drill machine. Therefore, a lot of labor and man-hours are required for the operator, and setup work is required for each process. In addition, since the processing is performed in a separate process, there is a problem that the total installation space requires a considerable space.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, so that cutting, drilling and notching can be performed by a single machine, thereby reducing set-up operations and saving manpower and labor. An object of the present invention is to provide a plate processing machine with a reduced space.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention provides a base that extends in the X-axis direction and a belt conveyor that can run in the X-axis direction. A frame provided so as to be movable and positionable is provided with a drill head having a drill for making a hole in a plate-shaped work on the belt conveyor so as to be movable and positionable in the Y-axis direction, and a thermal cutting process for the work. A thermal cutting head for performing
A carriage equipped with a work clamp capable of freely gripping one side of the work on the belt conveyor is provided by being mounted so as to be movable and positioned in the X-axis and Y-axis directions by a drive device separate from the belt conveyor in the X-axis direction. It is a configuration provided so that it can be moved and positioned freely.

[0006]

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

Referring to FIGS. 1 and 2, the plate processing machine 1 is provided with a base 3 extending in the X-axis direction. The base 3 has a recessed groove 5 formed in the X-axis direction. ing. Pulleys 7 and 9 are rotatably provided in the groove 5 forward and backward, and a belt conveyor 11 as a work conveyor is wound around the pulleys 7 and 9.

A plurality of support frames 13 extending in the Y-axis direction and having a U-shaped cross section are integrated on the belt conveyor 11 at appropriate intervals. Each of these support frames 1
In order to support the plate-shaped work W, a plurality of needle ridge members 15 urged upward by a spring are provided in the inside 3.

A shaft 17 is mounted on the pulleys 7 and 9, and a sprocket 19 is fitted to one end of the shaft 17. One sprocket 19 and the other sprocket 19 are respectively attached to the shaft 17. Chain 21
Is wound.

The other end of the one shaft 17 is provided with
The sprocket 23 is fitted as shown in FIG. On the other hand, a drive motor 25 is provided in the base 3, and a drive sprocket 27 is fitted to an output shaft of the drive motor 25. A chain 29 is wound around the driving sprocket 27 and the sprocket 23.

With the above configuration, when the drive motor 25 is driven, the drive sprocket 27 is rotated via the output shaft. Due to the rotation of the driving sprocket 27, one of the shafts 17 is rotated via the chain 29 and the sprocket 23.
Is rotated, and the pulley 7 is further rotated via the sprocket 19, the chain 21, the sprocket 19 and the shaft 17.
As the belt 9 is rotated, the belt conveyor 11 runs and rotates in the X-axis direction. Therefore, the work W mounted and supported on the needle tip member 15 is traveled and moved from right to left in FIG. 1, for example.

The base 3 is provided with a gate-shaped frame 31 straddling the U-shaped groove 5. The frame 31 includes an upper frame 31U and left and right side frames 31R and 31L. On both left and right sides of the base 3, guide rails 33R, 3 extending in the X-axis direction.
3L are provided in parallel. This guide rail 33
R and 33L have side frames 31 of the frame 31.
Lower portions of R and 31L are provided.

The side frames 31R, 31L
The nut members 35R and 35L are integrated with the lower part of the nut, and ball screws 37R and 37L extending in the X-axis direction are screwed to the nut members 35R and 35L. A drive motor is linked to the ball screws 37R and 37L via a transmission member (not shown).

With the above configuration, when the drive motor is driven, the ball screws 37R and 37L are rotated via the transmission member. By the rotation of the ball screws 37R and 37L, the frame 31 is moved and positioned in the X-axis direction while being guided by the guide rails 33R and 33L via the nut members 35R and 35L.

A work positioning device 39 which is driven separately from the belt conveyor 11 to move and position in the X-axis direction is provided on the protrusion 3R provided on the right side of the base 3. As the work positioning device 39, a carriage base 41 extending in the X-axis direction is provided on the protrusion 3R, and the carriage base 41 is provided with a carriage 43 movable in the X-axis direction. . The carriage 43 is provided on the carriage base 41 via a nut member 47 on a rotatable ball screw 45 extending in the X-axis direction. The carriage 43 is provided with a plurality of work clamps 49 that can freely grip one side edge of the work W on the belt conveyor 11.

With the above configuration, when a driving device (not shown) is driven, the ball screw 45 is rotated. The rotation of the ball screw 45 causes the nut member 47 and the carriage 4 to rotate.
3, the work clamp 49 is connected to the belt conveyor 1
It is moved and positioned in the X-axis direction synchronously with or separately from 1.

The upper frame 3 of the frame 31
A guide groove 51 extending in the Y-axis direction (the left-right direction in FIGS. 1 and 2) is formed on the front side of 1U. The guide groove 51 is formed in the Y-axis direction by a drive motor, a ball screw, and the like (not shown). A movable drill head 53 is engaged. A rotatable drill 55 is detachably mounted on the drill head 53 by a well-known mechanism.
5 is provided to be vertically movable.

With the above configuration, the drill head 53 is moved in the Y-axis direction, and the drill 55 is moved up and down and further rotated, so that the work W is drilled.

The upper frame 3 in the frame 31
On the lower surface of 1U, a Y-axis guide rail 57 extending in the Y-axis direction is provided, and a Y-axis carriage 59 movable in the Y-axis direction by a drive motor, a ball screw, or the like (not shown), and a Y-axis carriage 59 are provided. X for shaft carriage 59
An X-axis carriage 61 that is movable in the axial direction is provided. The X-axis carriage 61 is provided with a laser processing head 63 as a thermal cutting processing head which is movable in the Z-axis direction (vertical direction in FIGS. 1 and 2) by, for example, a fluid cylinder. A laser nozzle 65 for irradiating a laser beam toward the work W is integrated with a lower end of the nozzle. A bend mirror and a condenser lens are provided in the laser processing head 63.

With the above structure, the laser processing head 63 is moved in the X, Y, and Z directions with respect to the frame 31, and a laser beam oscillated from a laser oscillator (not shown) from the laser nozzle 65 is condensed by a bend mirror. By irradiating the work W through the lens, cutting or notching is performed.

Now, in order to process a product G such as a splice plate or a deformed gusset from the work W shown in FIG. 3 with the plate processing machine 1, the work W is placed on the needle member 15 on the belt conveyor 11. Placed, and one side edge of the work W is gripped by the work clamp 49,
Moving the X-axis direction and rotated with the belt conveyor 11 in synchronization with carriage 43 having a work clamp 49 while moving the work W to the X-axis direction, the left end of the workpiece W at a predetermined cutting position W _I Position. Next, the frame 31 is positioned at a predetermined position in the X-axis direction. And by for moving the laser processing head 63 in the Y-axis direction, the edge material from the workpiece W W _S is cut off is in the cutting portion W _A
Is disconnected.

[0022] The end material _{W S} from the work W is cut off, the cutting portion _{W A} is cut, the laser processing head 63 X,
And moved in the Y-axis direction, cutting off a plurality of cutout portions W _B from the workpiece W. Then moves the frame 31 in the X-axis direction of the right side, drilled a plurality of holes W _C in the workpiece W with a drill 55. When multiple holes W _C is drilled, causes slightly move the frame 31 in the X-axis direction of the right side, the laser processing head 63 X, Y-axis movement is allowed by notch W _{D direction,} it is W _E is cut off You. The cutout portion _W D, _{W E}
When is cut off, thereby positioning the workpiece W is X-axis direction of the movement to the cutting position W _I to the left, and returned to the original position moved the frame 31 to the left in the X-axis direction, the same again Cutting, notching, and drilling are performed a predetermined number of times.

At this time, if the work clamp 49 interferes with the processing of the work W, the work clamp 4
Reference numeral 9 denotes a workpiece that is released in the X-axis direction by releasing the clamp of the workpiece W.

Further, as another processing method for processing a product G, which consists of plate like Gazette splice plates or irregularly shaped from the work W shown in FIG. 3, after the drilled hole W _C drill 55 above, the laser processing head 63 X, notch W _B is a complex contour with and moved in the Y-axis direction to cut the end material W _S, W _D, may be cut off W _E.

Further, as another processing method for processing a product G composed of a plate from the work W, the frame 31 is fixed without moving in the X-axis direction, the belt conveyor 11 is rotated, and the belt conveyor 11 is rotated. the work clamp 49 moved from the right side of the X-axis direction to the left taking the rotation and synchronization, after cutting scraps W _S in the laser processing head 63 to the workpiece W as shown in FIG. 3, the notch portion W
Cut off _B. Next, after a hole _{W C} drill 55,
Laser processing head 63 in the notch _W D, _{W E} is dropped off. Alternatively, after a hole W _C drill 55 above,
Offcuts _{W S} in the laser processing head 63, the cutout portion _W B,
W _C, may be dropped off the _{W D.}

As described above, the cutting, notching and drilling of the work W can be easily performed by the single plate processing machine 1 using the drill 55 and the laser processing head 63, so that the setup work is reduced. At the same time, labor and space can be saved.

Hole drilling with a drill 55, laser processing head 6
3 when cutting or notching,
When the tip or the laser beam interferes with the needle peak member 15, it can be avoided by shifting the belt conveyor 13 to the left or right in the X-axis direction. Alternatively, the needle member 15 may be moved downward by a fluid cylinder or the like against the urging force of the spring.

The detection that the tip of the drill 55 or the laser beam interferes with the needle member 15 is detected by an encoder provided in the drive motor 25, but may be detected by a dog and a limit switch, for example. .

The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes. In the present embodiment, an example of a laser processing head that irradiates a laser beam has been described as a thermal cutting processing head, but a plasma processing head that irradiates a plasma beam may be used.

[0030]

As will be understood from the above description of the embodiment, in the present invention, the belt conveyor 11 which can travel in the X-axis direction is provided, and the work placed on the belt conveyor 11 is provided. Since the carriage 43 provided with a work clamp 49 capable of freely clamping one side edge of W is provided so as to be movable and positionable in the X-axis direction, even if the work W is thick and large, the X-axis can be moved by the belt conveyor 11. It can be easily moved in the direction. The positioning of the work W in the X-axis direction is performed by using the carriage 4 provided with the work clamp 49 holding one side edge of the work W.
3 is performed by the movement positioning in the X-axis direction, so that the work W can be moved and positioned in the X-axis direction more accurately.

Since the belt conveyor 11 and the carriage 43 are driven separately, the clamp of the work W is released and the work clamp 49 is returned to the original position, for example, at the time of laser processing of the work W. It is also possible to adopt a configuration of waiting for the next feed, so that the work clamp 49 does not become an obstacle during the processing of the work W, and it is possible to improve the efficiency for the movement positioning of the work W. is there.

Further, the frame 31 provided with a drill head 53 having a drill 55 for making a hole in the workpiece W so as to be movable and positioned in the Y-axis direction is provided so as to be movable and positioned in the X-axis direction. The thermal cutting head 63 for performing the thermal cutting on the workpiece W has an X
Since it is provided so as to be movable and positioned in the axial and Y-axis directions, for example, the drill head 53 is moved and positioned in the X and Y-axis directions with respect to the workpiece W to perform drilling on the workpiece W and then perform thermal cutting. In this case, only the thermal cutting head 63 can be moved in the X and Y-axis directions in the state where the frame 31 is positioned at a fixed position, and the thermal cutting can be performed. High-speed, high-precision thermal cutting can be performed.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a plate processing machine according to an embodiment of the present invention.

FIG. 2 is a schematic front view of FIG.

FIG. 3 is an explanatory diagram of an operation of cutting a product formed of a plate from a work.

[Explanation of symbols]

1 Plate Processing Machine 11 Belt Conveyor (Work Conveyor) 15 Needle Crest Member 31 Frame 39 Work Positioning Device 49 Work Clamp 53 Drill Head 55 Drill 63 Laser Processing Head (Heat Cutting Head) 65 Laser Nozzle W Work W _A Cutting Section W _B Cut out portion W _C hole _{W D,} W _E cutout portion

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B23P 23/04 B23K 26/08 B23B 41/00

Claims (1)

(57) [Claims] A frame (31) provided on a base (3) extending in the X-axis direction, a belt conveyor (11) movable in the X-axis direction, and provided on the base (3) so as to be movable and positioned in the X-axis direction. ), A drill head (53) having a drill (55) for making a hole in the plate-shaped work (W) on the belt conveyor (11) is provided so as to be movable and positionable in the Y-axis direction. A thermal cutting head (63) for performing thermal cutting on the work (W);
A work clamp (4) is provided on the frame (31) so as to be movable and positionable in the X-axis and Y-axis directions, and is capable of gripping one side of the work (W) on the belt conveyor (11).
A plate processing machine characterized in that the carriage (43) provided with (9) is provided so as to be movable and positionable in the X-axis direction by a drive device separate from the belt conveyor (11).