JP2003103422A - Multiple type plate material machining method and multiple type plate machining system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve product accuracy and productivity by continuously machining a plate material with the work in substantially the same clamped state from a state of the plate material to a product. SOLUTION: An endless circuital main guide rail 3 is arranged and a plurality of plate material cutting machines are arranged around the main guide rail 3. A plurality of work clamping devices 15 are individually moved along the main guide rail 3 respectively, and the tabular work clamped by a work clamper of each work clamp device 15 is positioned to a machining part of one plate material cutting machine of the plurality of plate material cutting machines and machined. In the same way, the work machined by a precedent process in accordance with a machining process of the work is sequentially moved to a plate material cutting machine of a related process by the same work clamp device 15, and it is positioned to a machining part in each plate material cutting machine and machined.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-type plate material processing method and a multi-type plate material processing system.

[0002]

2. Description of the Related Art Conventionally, in a plate material processing system, a blank material is processed by a punch press such as a turret punch press or a laser processing machine, and the blank material is bent by a bending machine. The product is welded by a welding machine such as a YAG laser welding machine to be a molded product. Further, the above-mentioned molded product is coated by a coating machine to complete the product.

In the work in each plate material processing machine of the plate material processing system as described above, the work completed by each plate material processing machine is carried out by the carry-out device and sorted by the sorting and accumulating device. The sorted work is carried into the next process by a robot, a conveyor device, an AGV (Automatic Guided Vehicle), a forklift, or manually, and is delivered to the plate material positioning device of the plate material processing machine in the next process for processing. The above work is repeated in each process to complete the product.

[0004]

By the way, in the conventional plate material processing system, for each plate material processing machine, for example, in a turret punch press, a work is abutted against a locator pin by a clamp device to perform work reference positioning. In a bending machine, a workpiece is abutted against a back gauge by a robot and positioning is performed based on the workpiece.
In the welding machine, the work is abutted against the jig and positioned for reference, and then clamped by the clamp device.

As described above, since the processed product of the previous process is newly clamped, moved and positioned by the plate material positioning device of each plate material processing machine for each plate material processing machine, it is possible to carry out physical distribution to the next process. There is a problem that the machining accuracy gradually deteriorates because the reference positioning of the work is different.

The present invention has been made in order to solve the above-mentioned problems, and an object thereof is to perform plate material processing in a substantially identical clamped state from the state where the work is a plate material to the processing of the plate material into a product. An object of the present invention is to provide a multi-type plate material processing system capable of improving product accuracy and productivity.

[0007]

In order to achieve the above-mentioned object, the multi-type plate material processing method of the present invention according to claim 1 is
An endless circuit-shaped main guide rail is arranged, a plurality of plate material processing machines are arranged around the main guide rail, and a plurality of work clamp devices are independently moved along the main guide rail. A plate-shaped work clamped by the work clamp device is moved and positioned with respect to a processing portion in one plate material processing machine of the plurality of plate material processing machines to process the work, and then the processed work is basically processed. Is moved to the plate material processing machine of the next step by the work clamp device without unclamping, and the workpiece is processed by moving and positioning it with respect to the processing part of this plate material processing machine. The work is moved to the plate material processing machine of the related process sequentially by the same work clamp device, and this plate material processing is performed. Navigate positioned with respect to the processing unit in which characterized in that workpiece machining.

Therefore, the work clamped by the work clamp device is basically not unclamped, and is consistently clamped along the main guide rail from the state of the plate material to the processing of the plate material into the product. Since the plate material is moved and processed by each plate material processing machine, product accuracy and productivity are improved.

According to a second aspect of the present invention, there is provided a multi-type plate material processing system in which an endless circuit-shaped main guide rail is arranged and a linear motor stator is extended to the main guide rail. A main body carriage that is movable along the main body and has a mover that faces the stator; and a work clamper that is provided on the main body carriage so as to be movable back and forth in a direction orthogonal to the traveling direction on the main guide rail. A plurality of work clamp devices are independently provided so as to be movable and positionable in the traveling direction on the main guide rail,
It is characterized in that a plurality of plate material processing machines for performing plate material processing by moving and positioning the work clamped by the work clamp device are arranged around the main guide rail.

Therefore, the operation is the same as that of claim 1, and basically, the work clamped by the work clamping device is basically not unclamped and is substantially the same from the state of the plate material to the processing of the plate material into the product. Since the plate material is moved along the main guide rail in the clamped state and the plate material is processed by each plate material processing machine, the product accuracy and the productivity are improved.

According to a third aspect of the present invention, there is provided the multi-type plate material processing system according to the second aspect, wherein a part of the main guide rails of each of the plurality of plate material processing machines can be connected and disconnected. A divided guide rail is configured, and the divided guide rail is provided on a carriage base that positions a workpiece with respect to a processing portion of each of the plate material processing machines, and the carriage base is arranged in the moving direction of the work clamp device on the divided guide rail. It is characterized in that it is provided so as to be movable and positioned in a direction orthogonal to each other.

Therefore, in each plate material processing machine, a part of the main guide rail can be connected and disconnected as a split guide rail, so that the work clamped by the work clamp device can move freely on the carriage base and the split guide rail. The work clamp device of (1) allows easy positioning with respect to the processing portion of each plate processing machine.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

Referring to FIGS. 1 and 2, in a multi-type plate material processing system 1 according to this embodiment, an endless circuit-shaped main guide rail 3 is arranged on the floor. The main guide rail 3 is composed of a pair of rails that are substantially parallel to each other on the guide rail support plate 7 provided on the upper portion of the guide rail base 5 with a space in the width direction, in other words, a pair of main rails. The guide rails 3 are provided in an endless circuit shape in a substantially parallel manner like a train track.

Referring also to FIGS. 3 and 4, between the pair of main guide rails 3 on the guide rail support plate 7, there is a stator 9 composed of a permanent magnet on the secondary side of an LDM type linear motor. Are laid in two rows in the extending direction of the main guide rail 3 at a constant pitch. The above-mentioned two rows of stators 9 are arranged in a “C” shape in order to maintain the linear directionality of the driving force.

A plurality of main carriages 11a, 11b and 11c (three shown in this embodiment) are freely movable along the main guide rail 3 along the main guide rail 3 through the guide member 13. Is engaged with. The work clamp device 15 having a width substantially the same as the length of the main body carriages 11a, 11b, 11c in the traveling direction.
a, 15b, 15c are attached. The main body carriage 11 is provided with the above-mentioned stator 9 and, for example, 0.4 to 1.0.
The primary-side movable element 17 facing each other with a minute gap of mm is fixed.

For the main guide rail 3 and the guide member 13, for example, a linear motion bearing (commercially available product name LM guide) can be used.

In the above structure, the movable body 17 of a desired example main body carriage 11b among the three main body carriages 11a, 11b and 11c is driven via a linear motor control means (not shown), so that the main body is moved. The carriage 11, that is, the work clamp device 15 can be individually positioned at a desired position in the extending direction of the main guide rail 3.

Since the linear DC motor (LDM) has high positioning accuracy and is capable of high-speed reciprocating motion and low-speed motion, it is a linear motor suitable for high-speed positioning of a work clamp of a plate processing machine which requires high positioning accuracy. Is one.

As shown in FIGS. 2 to 4, each main body carriage 11 is provided with a work clamp retracting means 19 for retracting the work clamp device 15 in a direction orthogonal to the traveling direction of the main body carriage 11. ing. The work clamp retracting means 19 is composed of a slider 21 on which the work clamp device 15 is mounted, a slide guide 23 for guiding the slider 21 in the Y-axis direction, a retracting cylinder 25 for driving the slider 21, and the like.

As shown in FIG. 2, the slider 21 has left and right side plates 27l and 27r in FIG. 3, which are in the shape of the Greek letter Γ (gamma) as shown in FIG.
The clamp mounting member 27 integrally connecting the front surfaces of the vertical arm portions of l and 27r, the connecting plate 31 connecting the rear surface of the horizontal arm portions of the side plates 27l and 27r, the top plate 33 of the upper surface, and the like into an integrated frame structure. Has been done. In addition, the side plates 27l, 27
The horizontal arm portion r is engaged with a pair of slide guides 23a and 23b provided on the upper surface of the main body carriage 11 so as to be guided in a direction orthogonal to the traveling direction of the main body carriage 11.

A pneumatic cylinder 25 for moving the slider 21 forward and backward in a direction orthogonal to the traveling direction of the main body carriage 11 is provided on the upper surface of the main body carriage 11 between the side plates 27l and 27r of the slider 21. The piston rod of the pneumatic cylinder 25 is connected to the connecting plate 31 on the rear surface of the horizontal arm of the slider 21.

The clamp mounting member 27 is provided with a known work clamper 37 for opening and closing the upper clamp jaw with respect to the lower fixed clamp jaw by a pneumatic cylinder 35.

In this embodiment, the work clamp devices 15 provided on the three main body carriages 11 are shown as an example, but in reality, more main body carriages 11 and work clamp devices 15 are individually provided. It is provided so as to run independently, and is configured to efficiently perform plate material processing.

Referring again to FIG. 1, the multi-type plate material processing system 1 according to this embodiment includes a turret punch press 39, a bending machine such as a bender 41, a welding machine such as a YAG laser welding machine 43, and a coating machine 45. , Laser processing machine 47
A plurality of various plate processing machines such as the above are arranged around the main guide rail 3 described above. Basically, the work W clamped by the plurality of work clamp devices 15 is not unclamped, in other words, the work W is unclamped for the purpose of newly confirming the reference position of the work W at each plate processing machine. Instead, it is configured to be moved and positioned to the processing position of the various plate material processing machines to perform the plate material processing.

Therefore, in the multi-type plate material processing system 1, for example, one plate-shaped work W is clamped by the three work clamp devices 15, and the work clamp device 15 moves and positions the machining position of the turret punch press 39. Then, punching is performed and blanking is performed. This blank processed blank material B is gripped by one of the above three work clamp devices 15 and then moved on the main guide rail 3 by the one work clamp device 15. Is transported to the vendor 41.

In the bender 41, the blank material B clamped by the work clamp device 15 is moved and positioned on the processing line of the bender 41 without being unclamped, and bending is performed.

The bent product thus bent is conveyed to the YAG laser welding machine 43 in the next step while being clamped by the work clamp device 15. In the YAG laser welding machine 43, the bent product clamped by the work clamp device 15 is moved and positioned, and welding is performed to form a molded product. further,
The molded product is conveyed to the coating machine 45 in the next step while being clamped by the work clamp device 15 and coated to complete the product. Therefore, since the plate material processing is performed in the substantially same clamped state from the plate material state of the work W to the product plate processing, the processing accuracy of the work W is improved and the productivity is improved.

FIG. 1 shows various shapes of work W, blank material B, and bent products. In the multi-type plate material processing system of the present invention, different shapes are used in small quantities for a wide variety of products. It is also possible to efficiently perform production, so-called high-mix low-volume production.

More specifically, the turret punch press 39
Bender 41 as a blanking and bending machine
An example of the bending process will be described with reference to FIGS. 5 to 7.

Referring to FIGS. 5 and 6, the turret punch press 39 has a portal-shaped body frame 49.
The body frame 49 is a lower frame 51 and an upper frame 5.
The left and right side frames 55a and 55b are connected to each other, and a work space S is formed between the lower frame 51 and the upper frame 53.

The turret punch press 39 is provided with an upper turret 57 and a lower turret 59 on which a large number of punches P and dies D are detachably supported so as to face each other. The upper and lower turrets 57 and 59 are provided so as to be synchronously rotated in the horizontal direction by a rotation driving means (not shown) so that a die including a desired punch P and a die D can be rotationally indexed to a processing center position 61. There is.

The upper frame 53 is provided with a ram 65 having a striker 63 on the lower surface, which strikes the punch P indexed to the processing center position 61 by the rotation of the upper and lower turrets 57 and 59, and is vertically movable. There is. Although the drive means of the ram 65 is not shown, a known hydraulic drive system using a hydraulic cylinder or a known mechanical system using an eccentric crank mechanism can be used for the ram drive means.

A plate material positioning device 67 for moving and positioning the work W to the working position of the turret punch press 39 is provided below the working space S in FIG. 6, that is, below the upper and lower turrets 57 and 59. There is.

A carriage base 69 is provided in the plate material positioning device 67 so as to be movable in the Y-axis direction (that is, a direction orthogonal to the extending direction of the main guide rail 3). The guide rail mount 5 that supports the main guide rail 3 and a part of the guide rail support plate 7 are configured. Further, the main guide rail 3 is provided on the carriage base 69.
A split guide rail 71 that constitutes a part of the above is provided.

That is, the carriage base 69 and the division guide rail 71 are provided so as to be connectable to and detachable from the main guide rail 3. Therefore, since the divided guide rails 71 have the same structure as the main guide rails 3, a pair of divided guide rails 71 are provided on the carriage base 69, and an LDM linear linear unit is provided between the pair of divided guide rails 71. The stator 9 composed of a permanent magnet on the secondary side of the motor is laid in two rows in the extending direction of the divided guide rails 71 at a constant pitch.

With the above structure, the main body carriage 11 moves from the main guide rail 3 to the divided guide rails 71, operates on the divided guide rails 71, and then can move again to the main guide rails 3.

The above-mentioned carriage base 69 is provided so as to extend outside the lower frame 51 while straddling the fixed work table 73 provided on the lower frame 51 in the Y-axis direction. Side work tables 75 are provided that move on both sides of the fixed work table 73 integrally with the carriage base 69.
The fixed work table 73 and the side work table 75 have work support surfaces of the same height.

The above-mentioned carriage base 69 is movably provided on the Y-axis guide rails 76 provided on both sides of the lower frame 51, and the LDM-type linear Y-axis guide rails are provided along the Y-axis guide rails. Y by motor 77
It is provided so that it can be positioned at any position in the axial direction.

Further, on the upper frame 53, a sub-punch device 79 for separating the joint portion J connecting the work W and the blank material B and a plate pressing device 81 for holding the blank material B at the time of separating the joint portion J are provided on the upper portion. ,
It is provided near the lower turrets 57 and 59.

Bender 41 as a bending machine for the next process
The plate material positioning device 83 is also configured in substantially the same manner as the plate material positioning device 67 of the turret punch press 39, and is movable and positionable in the Y-axis direction (direction orthogonal to the extending direction of the main guide rail 3). A division carriage base 85 and a division guide rail 87 extending in the X-axis direction (that is, the same direction as the extension direction of the main guide rail 3) are provided on the division carriage base 85. Guide rail 3
It is configured to be connectable to and detachable from.

With the above-mentioned structure, FIG. 7 (A), (B),
Referring to (C), the work W is 3 in this embodiment.
It is clamped by the individual work clamp device 15 and punched. By this punching process, for example, the blank material B, which is the blank material B, is processed in a state where it is connected to the work W by the joint portion J.

After that, as shown in FIG. 7A, the work W is moved and the joint portion J is positioned on the sub punch device 79, and then the blank material B is held by the plate holding device 81. The joint portion J is cut by the sub punch device 79, and the blank material B is separated from the work W.

Next, as shown in FIG. 7B, the work clamp device 15a unclamps the work W, and then the other work clamp devices 15b and 15c operate to separate the work W from the blank material B. As in Figure 7
It is moved to the left in (B). On the other hand, the work clamp device 15a is moved to the position of the blank material B in the X-axis direction.

As shown in FIG. 7C, the carriage base 69 moves upward in the drawing in the Y-axis direction to clamp the blank material B by the work clamp device 15a, and the blank material B by the plate pressing device 81. B is unclamped.

The work W is a work clamp device 15b, 1
The punching process is continued by the operation of 5c, but before that, the carriage base 69 is once retracted and the divided guide rail 71 is connected to the main guide rail 3. Next, the blank material B is moved rightward in FIG. 7 (C) by the work clamp device 15a from the split guide rail 71 to the right main guide rail 3 to the plate material positioning device 83 of the bender 41 as shown in FIG. It is moved to the split guide rail 87.

Therefore, the work clamp device 1 described above is used.
The blank material B clamped to 5a is divided by the divided carriage base 85 and the divided guide rails 8 of the plate material positioning device 83.
Bending is performed by moving and positioning to the bend line BL by 7.

If the bender 41 is equipped with a robot for bending, the work clamp device 1 of the main body carriage 11 traveling on the main guide rail 3 will be described.
The blank material B clamped to 5 is delivered to the above robot at the reference position, and the blank material B clamped by this robot is bent by the bender 41.
The bent product is again transferred from the robot to the work clamp device 15 at the reference position, and is conveyed by the work clamp device 15 on the main guide rail 3 to the plate material processing machine in the next step.

As described above, also in each of the other plate material processing machines, a plate material positioning device which constitutes a part of the main guide rail 3 and is provided with a split guide rail which can be connected to and detached from the main guide rail 3 in the same manner. It may be configured to be provided. Therefore, the work clamped by the work clamp device is basically not unclamped, and is moved and positioned to the processing position of each plate processing machine in the same clamped state consistently from the plate material state to the plate material processing to the product. Then, the plate material is processed.

All plate processing machines are networked, and the plate processing in each plate processing machine is automatically controlled and efficiently performed.

The present invention is not limited to the above-described embodiment, but can be implemented in other modes by making appropriate changes.

[0052]

As can be understood from the above description of the embodiment of the invention, according to the invention of claim 1, the work clamped by the work clamping device is basically unclamped, and the plate material is not unclamped. Since it is possible to consistently move along the main guide rail from the above state to the plate material processing to the product in the same clamped state and perform the plate material processing in each plate material processing machine, the product accuracy and the productivity can be improved.

According to the invention of claim 2, which is the same as the effect of claim 1, the work clamped by the work clamp device is basically unclamped, and the plate material is processed into a product from the state of the plate material. Since it is possible to consistently move along the main guide rail in the same clamped state and perform plate processing with each plate processing machine,
Product accuracy and productivity can be improved.

According to the third aspect of the invention, in each plate processing machine, a part of the main guide rail can be connected and disconnected as a split guide rail, so that the work clamped by the work clamp device is the carriage base. The movable work clamp device on the split guide rail allows easy positioning with respect to the processing portion of each plate material processing machine.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a multi-type plate material processing system according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along the line II-II of FIG.

FIG. 3 is an enlarged plan view of a main guide rail and a work clamp device according to the embodiment of the present invention.

FIG. 4 is a right side view of FIG.

5 is a plan view partially showing the turret punch press and the bender in FIG. 1. FIG.

FIG. 6 is a front view of the turret punch press of FIG.

7A shows a state in which a product is separated from a joint portion during punching processing, FIG. 7B shows a state in which a product is clamped by a work clamp device a, and FIG. It is explanatory drawing which shows the state which conveys the manufactured product to the following process.

[Explanation of symbols]

1 Multi-type Plate Processing System 3 Main Guide Rail 5 Guide Rail Frame 7 Guide Rail Support Plate 9 Stator 11a, 11b, 11c Main Body Carriage 15 Work Clamp Device 17 Mover 21 Slider 25 Evacuation Cylinder 35 Pneumatic Cylinder 37 Work Clamper 39 Turret Punch press (punch press) 41 Bender (bending machine) 43 YAG laser welding machine (welding machine) 45 Coating machine 47 Laser processing machine 57 Upper turret 59 Lower turret 61 Processing center position 67 Plate material positioning device 69 Carriage base 71 Split guide rail 83 Plate Material Positioning Device (for Bending Machine) 85 Divided Carriage Base (Plate Material Positioning Device 83
) 87 split guide rails (of plate material positioning device 83) S working space P punch D die

Claims (3)

[Claims] 1. An endless circuit-shaped main guide rail is provided, a plurality of plate material processing machines are provided around the main guide rail, and a plurality of work clamp devices are independently provided along the main guide rail. The plate-shaped workpiece clamped by the workpiece clamping device is moved and positioned with respect to the processing portion in one plate material processing machine of the plurality of plate material processing machines to process the work, and then the processed Basically, without unclamping the work, move it to the plate material processing machine of the next process by the work clamp device, move and position it with respect to the processing part of this plate material processing machine, and process the work. Based on the above, the work in the previous step is sequentially moved to the plate material processing machine in the related step by the same work clamp device, A multi-type plate material processing method characterized by moving and positioning a workpiece with respect to a processing unit in the plate material processing machine. 2. An endless circuit-shaped main guide rail is provided, and a stator of a linear motor is extendedly provided on the main guide rail so that the main motor can travel along the main guide rail and face the stator. A plurality of work clamp devices each independently including a main body carriage having a movable element and a work clamper provided on the main body carriage so as to be movable back and forth in a direction orthogonal to the traveling direction on the main guide rail. A plurality of plate material processing machines are provided around the main guide rail so as to be movable and positionable in the traveling direction on the main guide rail, and move and position the work clamped by the work clamp device to perform plate material processing. This is a multi-type plate material processing system. 3. A divided guide rail is configured such that a part of the main guide rails of each of the plurality of plate material processing machines can be connected and disconnected, and the divided guide rail is provided for a work portion with respect to a processing portion of each of the plate material processing machines. 3. The multi-type according to claim 2, wherein the carriage base is provided for positioning, and the carriage base is provided so as to be movable and positionable in a direction orthogonal to a moving direction of the work clamp device on the divided guide rail. Plate material processing system.