JP2013128972A - Device and method for automatic programming of laser beam machining apparatus, and laser beam machining system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically make a program for forming a joint without defective machining in an automatic programming device of a laser beam machining apparatus.SOLUTION: An intersection of approaching and receding is calculated based on set values regarding the approaching and the receding. Whether the intersection is present or not is determined based on the calculated intersection of the approaching and the receding. If the intersection of the approaching and receding is determined to be present, the values for the approaching and receding are set again and corrected so that the approaching does not intersect with the receding.

Description

  The present invention relates to an automatic programming apparatus and method for a laser beam machine capable of forming a joint without machining defects when machining a product from the inside of a worksheet in the machine, and a laser machining system.

  Generally, in a laser processing machine, a workpiece processing method is known in which a product is cut from the inside of the worksheet. In this case, the product formed by cutting inside the worksheet is detached from the worksheet. As a result, a joint connecting the product and the worksheet is formed around the product.

  And after the product is carried out from a processing machine with a worksheet, a joint is cut | disconnected and cut off.

  As a conventional workpiece processing method, when a product is cut from the inside of a worksheet by a laser processing machine, a laser is irradiated along the periphery of the product so as to leave a joint.

Japanese Patent Laid-Open No. 2008-200712

  However, in the creation of a joint by the conventional laser processing machine, the joint is created by performing laser processing based on a predetermined machining program from the automatic programming device. However, in the automatic programming device, a new joint is created. When creating, programming was performed using the setting value of the first or previous joint creation set in the past.

  As a result, in some cases, the approach and escape intersect, creating a program that causes problems of processing defects such as the joint being cut and not functioning.

  Hereinafter, the problem of the processing defect will be described with specific examples.

  FIG. 8 is an explanatory diagram showing a specific example of a processing defect in creating a joint.

  First, as shown in FIG. 8A, the first or previous joint creation program opens a pierced hole P1 with a laser in a flat portion of the product S and cuts with a laser from the pierced hole P1 to one end J1 of the joint. A program for forming the approach A1 by cutting with a laser to the other end J2 of the joint along the cutting region L1 along the contour of the product S, and forming a relief R1 from the other end J2 by laser cutting; It has become. Here, the approach A1 and the relief R1 are perpendicular to the cutting region L1 along the contour of the product S.

  Next, as shown in FIG. 8B, when the present joint is formed in the obtuse angle portion X of the contour of the product S, the first or previous joint set in the past shown in FIG. When the creation program is applied, approach A1 and escape R1 cross each other, and as a result, the joint is cut, resulting in a program that does not perform the function of the joint.

  FIG. 9 is an explanatory diagram showing another specific example of a processing defect in creating a joint.

  First, as shown in FIG. 9A, the first or previous joint creation program opens a pierced hole P2 with a laser at an acute angle portion Y of the product S, and cuts with a laser from the pierced hole P2 to one end J3 of the joint. A program for forming an approach A2 by laser cutting to the other end J4 of the joint along the cutting region L2 along the contour of the product S, and forming a relief R2 from the other end J4 by laser cutting; It has become.

  Next, as shown in FIG. 9B, when the current joint is formed on the flat portion of the contour of the product S, the first or previous joint creation set in the past shown in FIG. When the program is applied, the approach A2 and the escape R2 cross each other, and as a result, the joint is cut, and the program does not perform the function of the joint.

The present invention is for solving the above-mentioned problems, and the invention according to claim 1 controls the operation of the laser processing machine using the shape data of the workpiece and the product shape data stored in the storage means. An automatic programming device for generating an operation program for
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating means for designating a joint position at a predetermined position of the product;
A first acquisition means for acquiring setting values related to approaches and escapes set in the past;
Based on the set value acquired by the first acquisition means, an approach and a clearance are generated at the joint position specified by the specification means, and a predetermined joint amount is set for the approach and the clearance generated at the joint position. Creating means to create joints,
Second acquisition means for acquiring setting values relating to approach and clearance in the joint created by the creation means;
Calculating means for calculating the intersection of the approach and the escape from the set value related to the approach and the escape acquired by the second acquisition means;
A determination means for determining whether there is an intersection from the intersection of the approach and the escape calculated by the calculation means;
Correction means for resetting and correcting the approach and escape so that the approach and escape do not intersect when the judgment means determines that there is an intersection of the approach and escape;
3. An automatic programming device comprising: a third acquisition unit that acquires setting values related to the approach and escape corrected by the correction unit.

  The invention according to claim 2 is characterized in that the shape of the installation position of the approach and relief set in the past is different from the shape of the joint position specified by the specifying means. Is an automatic programming device.

  According to a third aspect of the present invention, the correction means resets the approach so as to invert around a vertical line extending perpendicularly to the outer periphery of the product, starting from the end of the approach, and the end of the escape 3. The automatic programming device according to claim 2, wherein the clearance is reset so as to invert a vertical line extending perpendicularly to the outer periphery of the product with the starting point as a starting point. 4.

  The invention according to claim 4 is the automatic programming device according to claim 2, wherein the correction means is reset so as to delete the escape while leaving the approach as it is.

The invention according to claim 5 is an automatic programming method for generating an operation program for controlling the operation of the laser processing machine using the shape data of the workpiece and the product shape data stored in the storage means,
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating a joint position to a predetermined position of the product by a designation means;
Acquiring a set value related to the approach and escape set in the past by the first acquisition means;
Based on the setting value acquired by the first acquisition unit, the creation unit generates an approach and a clearance at the joint position specified by the specification unit, and the approach and the clearance generated at the joint position have a predetermined value. Creating a joint by setting the joint amount;
A step of acquiring setting values relating to approach and clearance in the joint created by the creating means by a second obtaining means;
Calculating a point of intersection between the approach and the escape from the setting value related to the approach and the escape acquired by the second acquisition means by the calculating means;
A step of determining whether there is an intersection from the intersection between the approach calculated by the calculation unit and the escape by the determination unit;
If the determining means determines that there is an intersection between the approach and the escape by the determining means, the step of re-setting and correcting the approach and the escape so that the approach and the escape do not intersect; and
Acquiring a set value related to the approach and escape corrected by the correcting means by a third acquiring means;
An automatic programming method characterized by comprising:

The invention according to claim 6 is a laser processing system for performing laser processing of a workpiece,
A laser processing machine for performing laser processing on a workpiece;
Storage means for storing the shape data of the workpiece and the product shape data;
An automatic programming device for creating a machining program for a laser beam machine using the shape data of the workpiece and the product shape data stored in the storage means,
The automatic programming device is
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating means for designating a joint position at a predetermined position of the product;
A first acquisition means for acquiring setting values related to approaches and escapes set in the past;
Based on the set value acquired by the first acquisition means, an approach and a clearance are generated at the joint position specified by the specification means, and a predetermined joint amount is set for the approach and the clearance generated at the joint position. Creating means to create joints,
Second acquisition means for acquiring setting values relating to approach and clearance in the joint created by the creation means;
Calculating means for calculating the intersection of the approach and the escape from the set value related to the approach and the escape acquired by the second acquisition means;
A determination means for determining whether there is an intersection from the intersection of the approach and the escape calculated by the calculation means;
Correction means for resetting and correcting the approach and escape so that the approach and escape do not intersect when the judgment means determines that there is an intersection of the approach and escape;
And third acquisition means for acquiring set values related to the approach and escape corrected by the correction means,
In the laser processing system, the laser processing machine controls each part by the control device in accordance with the processing program, and performs joint processing cutting so that the approach and the escape do not intersect.

  According to a seventh aspect of the invention, the laser processing system converts NC data according to a predetermined processing program from the automatic programming device into drive data between the automatic programming device and the laser processing machine, and converts the laser data into drive data. The laser processing system according to claim 6, further comprising an NC device for sending to a processing machine, wherein control of each part is performed by the control device of the laser processing machine in accordance with the drive data.

The invention according to claim 8 is an automatic programming device that generates an operation program for controlling the operation of the laser processing machine using the shape data of the workpiece and the product shape data stored in the storage means,
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating means for designating a joint position at a predetermined position of the product;
First acquisition means for acquiring at least setting values related to approaches set in the past;
Based on the set value acquired by the first acquisition means, an approach is generated at the joint position specified by the specifying means, and a predetermined joint amount is set for the approach generated at the joint position. Creating means to create,
Second acquisition means for acquiring a setting value related to the approach in the joint created by the creation means;
Calculating means for calculating an intersection between the approach and the own route from a setting value related to the approach acquired by the second acquiring means;
Determination means for determining whether there is an intersection from the intersection of the approach calculated by the calculation means and the own route;
When the determination means determines that there is an intersection between the approach and the own route, a correction unit that resets and corrects the approach so that the approach and the own route do not intersect;
3. An automatic programming apparatus comprising: a third acquisition unit that acquires a setting value related to the approach corrected by the correction unit.

  According to the present invention, in an automatic programming device of a laser beam machine, a program capable of forming a joint without machining defects is automatically created.

It is explanatory drawing which shows the outline of the laser processing system which implemented this invention. It is a schematic block diagram of the automatic programming apparatus shown in FIG. It is a flowchart which shows the creation operation of the joint creation program of an automatic programming device. It is explanatory drawing of an example of the creation process of the joint according to the joint creation program created by FIG. It is explanatory drawing of the other example of the creation process of the joint according to the joint creation program created by FIG. It is explanatory drawing of the other example of the creation process of the joint according to the joint creation program created by FIG. When an approach crosses and interferes with an own route, it is an explanatory view for explaining creation of a joint creation program in which the approach is automatically corrected and the approach and the own route do not intersect. It is explanatory drawing which shows the specific example of the process defect in producing a joint. It is explanatory drawing which shows the other specific example of the process defect in producing a joint.

  FIG. 1 is an explanatory diagram showing an outline of a laser processing system embodying the present invention.

  As shown in FIG. 1, the laser processing system 3 creates a processing program for the laser processing machine 7 by using product shape data to be manufactured in a database (storage means) 5 and data on a workpiece (plate material). It has an automatic programming device 9, and NC data based on a machining program created by the automatic programming device 9 is converted into drive data by the NC device 11 and sent to the laser processing machine 13, and a laser processing machine according to the drive data Each part is controlled by 13 and laser processing of a workpiece (plate material) is performed to produce a predetermined product. The database 5 stores product shape data obtained by processing, data of workpieces, and the like.

  FIG. 2 is a block diagram showing a schematic configuration of the automatic programming device 9 shown in FIG.

  As shown in FIG. 2, the automatic programming device 9 comprises a computer and has a CPU 15 to which a ROM 17 and a RAM 19 are connected. The CPU 15 further includes an input device 21 such as a keyboard and a display such as a display. A device 23 is connected. Further, the database 5 is connected to the CPU 15.

  In the automatic programming device 9, the CPU 15 uses product shape data and workpiece data in the database 5 in accordance with an instruction from the input device 21 and uses a RAM 19 in accordance with a computer program from the ROM 17. A machining program for the laser beam machine 13 as described later is created.

  Next, the processing operation and configuration of the laser processing machine 13 shown in FIG. 1 will be briefly described.

  The laser processing machine 13 shown in FIG. 1 has a processing table 25 on which a worksheet (workpiece) W is placed, and X-axis guides 27A and 27B are provided on both sides of the processing table 25. A carriage 29 extending in the Y-axis direction is provided across the processing table 25 and the X-axis guides 27A and 27B. An X-axis ball screw 33 is screwed into one lower portion 31 of the carriage 29, the X-axis ball screw 33 is coupled to an X-axis motor Mx, and the lower portion 31 is slidably coupled to an X-axis guide 27A. The other lower portion 35 is slidably coupled to the X-axis guide 27B.

  A ball screw 37 that is rotated by a Y-axis motor My is provided on the upper surface of the carriage 29, and a Y-axis slider 39 is screwed to the ball screw 37, and the Y-axis slider 39 is rotated by a Z-axis motor Mz. A machining head 43 that is screwed onto the rotating ball screw 41 is provided.

  With this configuration, by driving the X-axis motor Mx, the carriage 29 is driven in the X-axis direction, and by driving the Y-axis motor My, the machining head 43 is moved on the carriage 29 in the Y-axis direction, and the Z-axis motor Mz. To move the machining head 43 on the Y-axis slider 39 in the Z-axis direction, position the machining head 43 at a predetermined cutting position, and irradiate laser light from the machining head 43 according to a machining program described later. The workpiece W is cut while moving the processing head 43 in a predetermined direction.

  Next, the machining program creation operation of the automatic programming device 9 shown in FIGS. 1 and 2 will be described with reference to FIG.

  FIG. 3 is a flowchart showing the creation operation of the joint creation program of the automatic programming device 9. FIG. 4 is an explanatory diagram of an example of a joint creation process according to the joint creation program created in FIG.

  Here, only the joint creation program creation operation will be described. Before this joint creation program creation operation, the cutting region setting program creation operation of the product S is performed, and this joint creation program creation operation is performed. After the above, a cutting operation program creation operation is performed.

  First, in step 101 of FIG. 3, when the product S is processed from the inside of the worksheet W, the joint position is designated. In this case, as shown in FIG. 4A, the joint position J is specified in the flat portion of the product S.

  Here, the CPU 15 functions as a means for designating the joint position J.

  Next, in step 103, setting values of approach shape / approach length / angle and relief shape / relief length / angle are acquired from the first (or previous) joint creation program set in the past. Here, the setting values acquired from the first (or previous) joint creation program set in the past are the setting values when the joint J is formed at the acute angle portion of the product S as shown in FIG. It has become. That is, the shape of the approach and the setting position of the relief set in the past is different from the shape of the joint position specified this time.

  The first (or previous) joint creation program set in the past may be stored in the RAM 19 or may be stored in the database (storage means) 5.

  Here, the CPU 15 functions as a setting value acquisition unit.

  In step 105, the approach A3 and the relief R3 are generated at the joint position J of the flat portion designated based on the acquired set value. That is, approach A3 and relief R3 are generated as shown in FIG. Here, FIG. 4C is an enlarged view of the inside of the one-dot chain line shown in FIG.

  Subsequently, in step 107, a predetermined joint amount is applied to the approach A3 and the relief R3 at the joint position J generated in step 105. That is, as shown in FIG. 4D, a predetermined joint amount is applied between the end J1 of the approach A3 and the end J2 of the relief R3.

  Here, the CPU 15 functions as a creation means for creating the joint J by setting the approach A3, the relief R3, and the joint amount to the joint position J of the designated flat portion.

  Next, in step 109, the position coordinates of the piercing P3 and the end coordinates of the approach A3 are acquired, and the start coordinates of the escape R3 and the end coordinates of the escape R3 are acquired. Here, the CPU 15 functions as a means for acquiring the coordinates.

  Next, in step 111, the intersection point of approach A3 and relief R3 is calculated from the acquired position coordinates of piercing P3, the end coordinates of approach A3, the start coordinates of relief R3, and the end coordinates of relief R3. Then, it is determined whether or not there is an intersection between the approach A3 and the escape R3.

  Here, the CPU 15 functions as a calculation unit that calculates an intersection point between the approach A3 and the escape R3 and a determination unit that determines whether or not there is an intersection point between the approach A3 and the escape R3.

  If it is determined in step 113 that there is an intersection between approach A3 and escape R3, in step 115, approach A3 and escape R3 are set again and corrected so that approach A3 and escape R3 do not intersect. To do. Here, each of the joint ends is corrected by reversing the vertical line.

  That is, when the approach A3 as shown in FIG. 4D is reset so as to invert around the vertical line V1 extending perpendicularly to the outer periphery of the product S from the end J1 of the approach A3 as a starting point, FIG. The approach A3 is as shown in FIG. 4E, and the clearance R3 as shown in FIG. 4D is reversed around the vertical line V2 extending perpendicularly to the outer periphery of the product S with the end J2 of the clearance R3 as the starting point. If the setting is made again, the clearance R3 as shown in FIG.

  Here, the CPU 15 functions as a means for correcting the approach A3 and the escape R3.

  Next, in step 117, the corrected position coordinates of the pierced earring P3 and the end coordinates of the approach A3 are acquired, and the corrected start coordinates of the escape R3 and the end coordinates of the escape R3 are acquired. Here, the CPU 15 functions as a coordinate acquisition unit after the correction.

  Next, in step 119, it is determined whether or not an interference check is performed to determine whether the approach and escape are interfering with itself or a surrounding product. Alternatively, it is checked whether or not there is interference with surrounding products. In step 123, it is determined whether or not the approach and escape are interfering with itself or surrounding products. If it is determined that they are interfering, in step 125, the joint is not allocated, and step 127 is performed. A warning message is displayed.

  If no interference check is performed in step 119, the joint is allocated in step 129.

  According to the joint creation program of the automatic programming device 9 created as described above, when there is an intersection between the approach A3 and the relief R3 in the normal joint creation process, the approach A3 and the relief R3 are automatically corrected. Since the joint creation program is created so as not to intersect with each other, the joint A is cut by the intersection between the approach A3 and the relief R3, and the problem that the product S falls can be avoided.

  Next, another example of the joint creation process according to the joint creation program created in FIG. 3 will be described. FIG. 5 is an explanatory diagram of another example of a joint creation process according to the joint creation program created in FIG.

  In the example shown in FIG. 4, approach A has a linear shape, but in this example, the lower part of approach A4 has an arc shape.

  First, in step 101 of FIG. 3, when the product S is processed from the inside of the worksheet W, the joint position is designated. In this case, as shown in FIG. 5A, the joint position J is specified in the flat portion of the product S.

  Here, the CPU 15 functions as a means for designating the joint position J.

  Next, in step 103, setting values of approach shape / approach length / angle and relief shape / relief length / angle are acquired from the first (or previous) joint creation program set in the past. Here, the set value acquired from the first (or the previous) joint creation program is the set value when the joint J is formed at the acute angle portion of the product S as shown in FIG.

  Here, the CPU 15 functions as a setting value acquisition unit.

  In step 105, an approach A4 and a relief R4 having a circular arc at the lower portion are generated at the joint position J of the flat portion designated based on the acquired set value (FIG. 5C). Here, FIG. 5C is an enlarged view of the inside of the alternate long and short dash line shown in FIG.

  Subsequently, in step 107, a predetermined joint amount is applied to the approach A4 and the relief R4 at the joint position J generated in step 105. That is, as shown in FIG. 5D, a predetermined joint amount is applied between the approach A4 and the relief R4.

  Here, the CPU 15 functions as a creation means for creating the joint J by setting the approach A4, the clearance R4, and the joint amount to the joint position J of the designated flat portion.

  Next, in step 109, the position coordinates of the pierce P4 and the arc coordinates of the approach A4 are acquired, and the start coordinates of the relief R4 and the end coordinates of the relief R4 are obtained. Here, the CPU 15 functions as a means for acquiring the coordinates.

  Next, in step 111, the intersection point of approach A4 and relief R4 is calculated from the acquired position coordinates of pierce P4, arc coordinates of approach A4, start coordinates of relief R4, and end coordinates of relief R4. Then, it is determined whether or not there is an intersection between the approach A4 and the escape R4.

  Here, the CPU 15 functions as a calculation unit that calculates an intersection point between the approach A4 and the escape R4 and a determination unit that determines whether or not there is an intersection point between the approach A4 and the relief R4.

  If it is determined in step 113 that there is an intersection between the approach A4 and the escape R4, the escape R4 is reset and corrected in the step 115 so that the approach A4 and the escape R4 do not intersect. Here, the clearance R4 is reset and corrected so as to be deleted.

  That is, if the approach A4 as shown in FIG. 5D is left as it is and the clearance R4 as shown in FIG. 5D is set to be deleted, the approach A4 becomes as shown in FIG. The intersection of A4 and escape R4 disappears.

  Here, the CPU 15 functions as a means for correcting the escape R4.

  Next, in step 117, the corrected position coordinates of the pierced earring P4 and the end coordinates of the approach A4 are acquired. Here, the CPU 15 functions as a coordinate acquisition unit after the correction.

  Next, still another example of the joint creation process according to the joint creation program created in FIG. 3 will be described. FIG. 6 is an explanatory diagram of another example of a joint creation process according to the joint creation program created in FIG.

  In the example shown in FIG. 4, the approach A and the relief R have a linear shape. However, in this example, the approach A5 and the relief R5 form a hole having a larger width dimension than the laser cutting groove on both sides of the joint J. It has a shape.

  First, in step 101 of FIG. 3, when the product S is processed from the inside of the worksheet W, the joint position is designated. In this case, as shown in FIG. 6A, the joint position J is specified in the flat portion of the product S.

  Here, the CPU 15 functions as a means for designating the joint position J.

  Next, in step 103, setting values of approach shape / approach length / angle and relief shape / relief length / angle are acquired from the first (or previous) joint creation program set in the past. Here, the set value acquired from the first (or the previous) joint creation program is a set value when forming a joint J having a hole at an acute angle portion of the product S, as shown in FIG. ing. The hole of the joint J is used when a cutting tool is inserted when the joint J is cut.

  Here, the CPU 15 functions as a setting value acquisition unit.

  In step 105, the approach A5 and the relief R5 are generated at the joint position J of the flat portion designated based on the acquired set value. That is, approach A5 and relief R5 are generated as shown in FIG. Here, FIG. 6C is an enlarged view of the inside of the one-dot chain line shown in FIG.

  Subsequently, in Step 107, a predetermined joint amount is applied to the approach A5 and the relief R5 at the joint position J generated in Step 105. That is, as shown in FIG. 6D, a predetermined joint amount is applied between the end of approach A5 and the end of relief R5.

  Here, the CPU 15 functions as a creation means for creating the joint J by setting the approach A5, the relief R5, and the joint amount to the joint position J of the designated flat portion.

  Next, in step 109, the position coordinates of the piercing P5, the end coordinates of the approach A5, and the like are acquired, and the start coordinates of the escape R5, the end coordinates of the escape R5, and the like are acquired. Here, the CPU 15 functions as a means for acquiring the coordinates.

  Next, in step 111, the intersection point of approach A5 and escape R5 is calculated from the acquired position coordinates of pierce P5, the end coordinates of approach A5, the start coordinates of escape R5, the end coordinates of escape R5, etc., and step 113 In step S5, it is determined whether or not there is an intersection between the approach A5 and the escape R5.

  Here, the CPU 15 functions as a calculation unit that calculates an intersection point between the approach A5 and the escape R5 and a determination unit that determines whether there is an intersection point between the approach A5 and the relief R5.

  If it is determined in step 113 that there is an intersection between approach A5 and escape R5, in step 115, approach A5 and escape R5 are reset and corrected so that approach A5 and escape R5 do not intersect. To do. Here, each of the joint ends is corrected by reversing the vertical line.

  That is, when the approach A5 as shown in FIG. 6D is reset so as to invert the vertical line extending perpendicularly to the outer periphery of the product S from the end of the approach A5 as the starting point, FIG. ), And the relief R5 as shown in FIG. 6 (d) is set so as to be inverted around a vertical line extending perpendicularly to the outer periphery of the product S with the end of the relief R5 as the starting point. If it re-does, it will become escape R5 as shown in FIG.6 (e).

  Here, the CPU 15 functions as a means for correcting the approach A3 and the escape R3.

  Next, in step 117, the corrected position coordinates of the piercing P5, the end coordinates of the approach A5, and the like are acquired, and the corrected start coordinates of the escape R5, the end coordinates of the escape R5, and the like are acquired. Here, the CPU 15 functions as a coordinate acquisition unit after the correction.

  The present invention is not limited to the above-described embodiments, and can be implemented in other forms.

  That is, the present invention can also be applied to a case where approach A crosses and interferes with its own route. Here, the self-path is a cutting area around the product S for cutting the product S, and the like.

  FIG. 7 is a diagram for explaining creation of a joint creation program in which approach A is automatically corrected and approach A does not intersect with its own path when approach A intersects with its own path. FIG.

  As shown in FIG. 7A, when there is approach A and clearance at the corner of the product S, as shown in FIG. 7B, when the joint J is formed on a flat portion, the formation of the joint J is performed. When the data of approach A shown in FIG. 7 (a) is brought to the part and a predetermined joint amount is applied to approach A, approach A and its own path overlap and intersect, and joint J is cut. It will be the situation.

  Therefore, in this case, as shown in FIG. 7C, the approach A is set up so as to be the approach A6 by raising the approach A perpendicularly to the cutting region of the product S to be corrected.

  Even in this case, even when approach A and the own route intersect in the joint creation process, the joint creation program is automatically corrected so that approach A and the own route do not intersect. Therefore, it is possible to avoid problems such as the joint A being cut by the intersection of the approach A and the own route, and the product S falling.

DESCRIPTION OF SYMBOLS 3 ... Processing system 5 ... Database 7 ... Laser processing machine 9 ... Automatic programming apparatus 11 ... NC apparatus 13 ... Laser processing machine 15 ... CPU
17 ... ROM
19 ... RAM
DESCRIPTION OF SYMBOLS 21 ... Input device 23 ... Display device 25 ... Processing table 27A ... X-axis guide 27B ... X-axis guide 29 ... Carriage 31 ... Lower part 39 ... Axis slider 39 ... Y-axis slider 43 ... Processing head L, L2 ... Cutting area P-P6 ... Pierce hole W ... Workpiece A ~ A6 ... Approach R ~ R5 ... Escape S ... Product

Claims (8)

An automatic programming device for generating an operation program for controlling the operation of a laser beam machine using the shape data of the workpiece and the product shape data stored in the storage means,
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating means for designating a joint position at a predetermined position of the product;
A first acquisition means for acquiring setting values related to approaches and escapes set in the past;
Based on the set value acquired by the first acquisition means, an approach and a clearance are generated at the joint position specified by the specification means, and a predetermined joint amount is set for the approach and the clearance generated at the joint position. Creating means to create joints,
Second acquisition means for acquiring setting values relating to approach and clearance in the joint created by the creation means;
Calculating means for calculating the intersection of the approach and the escape from the set value related to the approach and the escape acquired by the second acquisition means;
A determination means for determining whether there is an intersection from the intersection of the approach and the escape calculated by the calculation means;
Correction means for resetting and correcting the approach and escape so that the approach and escape do not intersect when the judgment means determines that there is an intersection of the approach and escape;
Third acquisition means for acquiring set values related to the approach and escape corrected by the correction means;
An automatic programming device characterized by comprising:   2. The automatic programming device according to claim 1, wherein a shape of the approach position and the relief installation position set in the past is different from a shape of the joint position specified by the specifying means.   The correcting means resets the approach so as to invert around a vertical line extending perpendicularly to the outer periphery of the product from the end of the approach as a starting point, and to the outer periphery of the product starting from the end of the escape 3. The automatic programming device according to claim 2, wherein the clearance is reset so as to invert a vertical line extending vertically.   3. The automatic programming device according to claim 2, wherein the correction unit is reset so as to delete the escape while leaving the approach as it is. An automatic programming method for generating an operation program for controlling the operation of a laser beam machine using shape data and product shape data of a workpiece stored in a storage means,
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating a joint position to a predetermined position of the product by a designation means;
Acquiring a set value related to the approach and escape set in the past by the first acquisition means;
Based on the setting value acquired by the first acquisition unit, the creation unit generates an approach and a clearance at the joint position specified by the specification unit, and the approach and the clearance generated at the joint position have a predetermined value. Creating a joint by setting the joint amount;
A step of acquiring setting values relating to approach and clearance in the joint created by the creating means by a second obtaining means;
Calculating a point of intersection between the approach and the escape from the setting value related to the approach and the escape acquired by the second acquisition means by the calculating means;
A step of determining whether there is an intersection from the intersection between the approach calculated by the calculation unit and the escape by the determination unit;
If the determining means determines that there is an intersection between the approach and the escape by the determining means, the step of re-setting and correcting the approach and the escape so that the approach and the escape do not intersect; and
Acquiring a set value related to the approach and escape corrected by the correcting means by a third acquiring means;
An automatic programming method characterized by comprising: A laser processing system for performing laser processing on a workpiece,
A laser processing machine for performing laser processing on a workpiece;
Storage means for storing the shape data of the workpiece and the product shape data;
An automatic programming device for creating a machining program for a laser beam machine using the shape data of the workpiece and the product shape data stored in the storage means,
The automatic programming device is
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating means for designating a joint position at a predetermined position of the product;
A first acquisition means for acquiring setting values related to approaches and escapes set in the past;
Based on the set value acquired by the first acquisition means, an approach and a clearance are generated at the joint position specified by the specification means, and a predetermined joint amount is set for the approach and the clearance generated at the joint position. Creating means to create joints,
Second acquisition means for acquiring setting values relating to approach and clearance in the joint created by the creation means;
Calculating means for calculating the intersection of the approach and the escape from the set value related to the approach and the escape acquired by the second acquisition means;
A determination means for determining whether there is an intersection from the intersection of the approach and the escape calculated by the calculation means;
Correction means for resetting and correcting the approach and escape so that the approach and escape do not intersect when the judgment means determines that there is an intersection of the approach and escape;
And third acquisition means for acquiring set values related to the approach and escape corrected by the correction means,
A laser processing system, wherein the laser processing machine controls each part by the control device according to the processing program, and performs joint processing cutting so that the approach and escape do not intersect.   An NC device for converting NC data according to a predetermined processing program from the automatic programming device into drive data by the laser processing system between the automatic programming device and the laser processing device and sending the drive data to the laser processing device. The laser processing system according to claim 6, wherein each part is controlled by the control device of the laser processing machine according to the drive data. An automatic programming device for generating an operation program for controlling the operation of a laser beam machine using the shape data of the workpiece and the product shape data stored in the storage means,
When creating a machining program for cutting the workpiece and obtaining a product having a joint,
Designating means for designating a joint position at a predetermined position of the product;
First acquisition means for acquiring at least setting values related to approaches set in the past;
Based on the set value acquired by the first acquisition means, an approach is generated at the joint position specified by the specifying means, and a predetermined joint amount is set for the approach generated at the joint position. Creating means to create,
Second acquisition means for acquiring a setting value related to the approach in the joint created by the creation means;
Calculating means for calculating an intersection between the approach and the own route from a setting value related to the approach acquired by the second acquiring means;
Determination means for determining whether there is an intersection from the intersection of the approach calculated by the calculation means and the own route;
When the determination means determines that there is an intersection between the approach and the own route, a correction unit that resets and corrects the approach so that the approach and the own route do not intersect;
Third acquisition means for acquiring a setting value related to the approach corrected by the correction means;
An automatic programming device characterized by comprising:

Images