JP6166945B2 - Automatic programming apparatus and method and machining system - Google Patents

Description

  The present invention relates to an automatic programming device that automatically creates a machining nesting program for a long workpiece, and in particular, to create a nesting program that automatically changes the arrangement position of a long part without reducing yield. The present invention relates to an automatic programming apparatus and method and a machining system capable of performing the above.

  Usually, when processing a workpiece such as a pipe or a section steel, nesting for determining the arrangement of parts on the workpiece is manually performed by an operator.

  That is, when deciding the placement of parts on the workpiece, the operator has been hunting for the placement of the parts so as not to reduce the yield.

  There was no prior art document.

  However, in the above-described conventional method, when deciding the placement of parts on the workpiece, the operator performs the placement of the parts by groping so that the yield does not drop, and requires a lot of time, Skill is required, and in some cases, there is a problem that the yield is deteriorated or the work after the processing is hindered.

The present invention has been made to solve the above problems, the invention according to claim 1 performs nesting to place part of the long relative to the workpiece long, based on the result of the nesting In a processing system for processing the workpiece by a processing machine, an automatic programming device for creating a processing program for nesting of the processing machine,
An input unit for inputting information on parts to be input to nesting and information on the workpiece, and for inputting an arrangement position of parts having a predetermined length or more;
It is an automatic programming apparatus which has a control means which controls the process of the following (A)-(E).

(A) When the information on the part and the information on the workpiece are input from the input means, a step of performing a yield priority nesting with a good yield considering a lap amount where the parts overlap each other ;
(B) determining whether there is a part longer than the predetermined length from the information on the part;
(C) When it is determined in the step (B) that there is a part longer than the predetermined length, a planned cutting portion perpendicular to the length direction of the workpiece is detected, and the planned cutting portion Grouping the parts based on;
(D) setting an arrangement position of the parts having the predetermined length or more;
(E) A step of rearranging the group of the parts based on the arrangement position of the parts set in the step (D).

  The invention according to claim 2 is characterized in that the control means further controls the step (F) of confirming the parts of the group rearranged in the step (E) and determining the arrangement of the parts. An automatic programming device according to claim 1.

  According to a third aspect of the present invention, the processing machine has a processing table for processing the workpiece, and the predetermined length of the part is half the processing range of the processing table. An automatic programming device according to claim 1 or 2.

  In the invention according to claim 4, the rearrangement of the group of parts may be rearranged so that the parts longer than the predetermined length come to the side to be processed first, or the parts longer than the predetermined length The automatic programming device according to any one of claims 1 to 3, wherein the automatic programming device is either rearranged so as to come to a side to be processed.

The invention according to claim 5 performs the nesting to place part of the long relative to the workpiece long, in the processing system for the processing of the workpiece by the machine on the basis of the result of the nesting, An automatic programming method for creating a machining program for nesting of the processing machine by an automatic programming device having an input means and a control means,
(A) a step of inputting information on parts to be input to nesting and information on the workpiece to be used for nesting by the input means;
(B) Based on the information on the part and the information on the workpiece, the control means performs nesting with a good yield priority considering a lap amount where the parts overlap each other ; and
(C) determining from the control means whether there is a part longer than the predetermined length from the information of the part;
(D) When it is determined in the step (C) that there is a part longer than the predetermined length, the control means detects a cutting scheduled portion perpendicular to the length direction of the workpiece, Grouping the parts on the basis of the planned cutting portion;
(E) a step of setting an arrangement position of the parts having the predetermined length or more by the input means;
(F) A method of rearranging the group of parts based on the arrangement position of the parts set in the step (E) by the control means.

The invention according to claim 6 is characterized in that the control means further controls a step ( G ) for confirming the parts of the group rearranged in the step ( F ) and determining the arrangement of the parts. The automatic programming method according to claim 5.

  In the invention according to claim 7, the processing machine has a processing table for processing the workpiece, and the predetermined length of the parts is half the processing range of the processing table. The automatic programming method according to claim 5 or 6, wherein:

  According to an eighth aspect of the present invention, the rearrangement of the group of parts may be performed such that the parts longer than the predetermined length come to the side to be processed first, or the parts longer than the predetermined length 8. The automatic programming method according to claim 5, wherein the rearrangement is performed so as to come to the side to be processed.

According to claim 9 invention performs nesting to place part of the long relative to the workpiece long, there in machining system for machining of the workpiece by the machine on the basis of the result of the nesting And
A processing machine for processing the workpiece;
An automatic programming device for creating a processing program for nesting of the processing machine,
The automatic programming device is
An input unit for inputting information on parts to be input to nesting and information on the workpiece, and for inputting an arrangement position of parts having a predetermined length or more;
And a control means for controlling the following process processes (A) to (E).

(A) When the information on the part and the information on the workpiece are input from the input means, a step of performing a yield priority nesting with a good yield considering a lap amount where the parts overlap each other ;
(B) determining whether there is a part longer than the predetermined length from the information on the part;
(C) When it is determined in the step (B) that there is a part longer than the predetermined length, a planned cutting portion perpendicular to the length direction of the workpiece is detected, and the planned cutting portion Grouping the parts based on;
(D) setting an arrangement position of the parts having the predetermined length or more;
(E) A step of rearranging the group of the parts based on the arrangement position of the parts set in the step (D).

  According to the present invention, it is possible to create a nesting program for automatically changing the arrangement position of long parts without reducing the yield when there are parts longer than a predetermined length.

  Further, it is possible to perform nesting of processing of a long pipe-like workpiece in a short time without requiring skill.

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 program creation operation | movement of the pipe process nesting of an automatic programming apparatus. It is explanatory drawing of the program creation operation | movement of the pipe process nesting of an automatic programming apparatus. It is explanatory drawing of the program creation operation | movement of the pipe process nesting of an automatic programming apparatus. It is a figure explaining the necessity to control the setting of the arrangement position of a long part in an automatic programming device. It is a figure explaining the necessity to control the setting of the arrangement position of a long part in an automatic programming device. It is explanatory drawing of the program creation operation | movement of the pipe process nesting of an automatic programming apparatus. It is explanatory drawing of the program creation operation | movement of the pipe process nesting of an automatic programming apparatus.

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

  In this embodiment, a hollow member (pipe) will be described as a member to be processed, but as a member to be processed, a round pipe, a square pipe, a long angle pipe, a grooved steel, an angle steel, an unequal side mountain shape Steel, lip channel steel, molded angle steel, molded channel steel, etc. can be applied.

  As shown in FIG. 1, the laser processing system 10 creates a processing program for the laser processing machine 1 using shape data of a hollow member (pipe) 5 as a member to be processed in a database (storage means) 11. An automatic programming device 9 is provided, and NC data based on a predetermined machining program created by the automatic programming device 9 is converted into drive data by the NC device 13 and sent to the laser processing machine 1, and laser is generated according to the drive data. Each part is controlled by the control device 2 of the processing machine 1, and laser processing of the workpiece (pipe 5) on the laser processing table 25 is performed.

  The database 11 also stores data of parts (parts) obtained by processing. In addition, the laser processing machine 1 is provided with a shuttle table 33 used for loading and unloading processing members.

  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 11 is connected to the CPU 15.

  In this automatic programming device 9, the CPU 15 uses the data of the workpiece (pipe 5) in the database 11 in accordance with an instruction from the input device 21 and uses the RAM 19 in accordance with the computer program from the ROM 17. A machining program for the laser beam machine 1 as will be described later is created.

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

  In FIG. 1, on the laser processing table 25 of the laser processing machine 1, one end of a member to be processed (pipe 5) is engaged and fixed to a chuck 29 of a rotary index 27, and an appropriate place of the pipe 5 is a product support member. 31 is supported. The product support member 31 is movably provided on the laser processing table 25, and a plurality of product support members 31 may be installed.

  Then, with the pipe 5 fixed on the laser processing table 25, laser irradiation is performed while moving the processing head 7 along the processing locus based on the control of the control device 2, and from the material end 5a side of the pipe 5 It is designed to cut.

  Drive data based on the pipe machining nesting machining program created by the automatic programming device 9 is sent to the NC device 13, and laser machining control is performed according to the drive data.

  Next, with reference to FIGS. 3 to 9, the program creation operation of the pipe machining nesting of the automatic programming device 9 shown in FIGS. 1 and 2 will be described.

  3 is a flowchart showing the program creation operation of the pipe machining nesting of the automatic programming device, and FIGS. 4, 5, 8 and 9 are explanatory diagrams of the program creation operation of the pipe machining nesting of the automatic programming device. , 7 are diagrams for explaining the necessity of controlling the setting of the arrangement position of the long parts by the automatic programming device.

  First, in step 101, data of a workpiece (pipe 5), data of parts to be nested, and the like are input to the automatic programming device 9.

  Here, the data of the workpiece (pipe 5) is read from the database 11, and the data of the parts to be nested is input via the input device 21 by the operator.

  Next, in step 103, yield nesting is performed based on the data of the pipe 5 and the data of parts to be nested.

  That is, nesting with a good yield in consideration of the lap amount is performed. Nesting with good yield in consideration of the amount of lap refers to nesting in which long parts and parts to be wrapped are moved together with long parts in order to move the parts without dropping the yield.

  Here, the lap indicates, for example, a portion where parts P1 and P2 as shown in FIG.

  Here, when the parts P3 to P8 as shown in FIG. 4C are subjected to yield priority nesting with respect to the cylindrical pipe 5 as shown in FIG. 4B, as shown in FIG. 4D. Parts placement.

  Here, the CPU 15 of the automatic programming device 9 assumes all combinations of the parts P3 to P8 and derives a combination with a good yield in consideration of the lap amount.

  Next, in step 105, based on the part data, it is determined whether there is a long part having a predetermined length or more. In this embodiment, the predetermined length is half the processing range of the laser processing table 25.

  Here, the CPU 15 of the automatic programming device 9 compares the individual lengths of the parts P3 to P8 with half the length of the machining range of the laser machining table 25, and half the length of the machining range of the laser machining table 25. Find the above parts. In the case of parts P <b> 3 to P <b> 8 as shown in FIG. 4D, the part P <b> 4 is a long part that is at least half the length of the processing range of the laser processing table 25.

  However, the predetermined length may be an arbitrary value such as 800 mm, 1200 mm, 1500 mm, for example.

  Next, when it is determined in step 105 that there is a part longer than a predetermined length, in step 107, the part is divided into the cut scheduled parts (scheduled ring parts) perpendicular to the length direction of the pipe 5 and divided into groups. Dividing is done.

  Here, the CPU 15 of the automatic programming device 9 detects a part to be cut perpendicular to the length direction of the pipe 5 and groups parts based on the part to be cut. In the case of the parts P3 to P8 as shown in FIG. 4D, as shown in FIG. 5, the scheduled cutting portions PC1 to PC3 are detected and divided into groups G1 to G3.

  Next, in step 109, the arrangement position of the long parts is set.

  Here, the operator places the long part on the chuck 29 side of the pipe 5 whose processing order is later or the material end of the pipe 5 whose processing order is the previous through the input device 21 of the automatic programming device 9. Whether it is arranged on the 5a side is input and set.

  In addition, the setting of the arrangement position of this long part is determined based on the following processing conditions.

  That is, when the long part P4 is disposed on the material end 5a side of the pipe 5, for example, as shown in FIG. 6A, the pipe 5 is set up (attached to the processing machine 1) with the crane K. This is a case in which several (2 to 3) workers are on standby, as shown in FIG. 6 (b). In this case, as shown in FIG. 6C, before the long part P4 is cut off, the pipe 5 is supported by the product support member 31 and the crane K. The separated long part P4 is carried out. Since the remaining parts P3 and P5 to P8 are short parts, they can be carried out by one operator.

  Further, the case where the long part P4 is arranged on the chuck 29 side of the pipe 5 means that the pipe 5 is set up (attached to the processing machine 1) with the crane K as shown in FIG. In this case, after performing by several (2 to 3) workers, as shown in FIG. 7B, workers other than the operator move to another place. In this case, as shown in FIG. 7B, the parts P7 and P8 are short parts, so they are carried out by one operator, and before the long part P4 is cut off as shown in FIG. 7C. Further, the pipe support 5 is supported by the product support member 31 and the cutting is performed. The product support member 31 is used to move the long part P4 to a place where it can be easily carried out. Using K, the separated long part P4 is carried out.

  Next, in step 111, the group of parts is rearranged based on the set arrangement in step 109.

  That is, when the long part P4 is arranged on the material end 5a side of the pipe 5, the arrangement is as shown in FIG. 8, and when the long part P4 is arranged on the chuck 29 side of the pipe 5, The arrangement is as shown in FIG.

  Next, in step 113, when all the nesting results have been confirmed and the arrangement of the parts has been determined, the pipe machining nesting program creation process ends.

  The drive data by the pipe machining nesting machining program created by the automatic programming device 9 as described above is sent to the NC device 13, and laser machining control is performed according to the drive data.

  The present invention is not limited to the embodiments of the invention described above, and can be implemented in other modes by making appropriate modifications.

  For example, in this embodiment, the present invention is applied to a cylindrical pipe as a workpiece, but is not limited to this, a round pipe, a square pipe, a long-angle pipe, a grooved steel, an angle steel, an unequal side angled steel, a lip groove You may apply to the to-be-processed member of other shapes, such as a shape steel, a shape angle steel, and a shape channel steel.

DESCRIPTION OF SYMBOLS 1 ... Laser processing machine 5 ... Work piece 7 ... Laser processing head 9 ... Automatic programming device 10 ... Laser processing control system 11 ... Database 13 ... NC device 15 ... CPU
17 ... ROM
19 ... RAM
21 ... Input device 23 ... Display device 25 ... Laser processing table 27 ... Rotation index 29 ... Chuck 31 ... Product support member P ... Parts

Claims (9)

Performs nesting to place part of the long relative to the workpiece long, in the processing system for the processing of the workpiece by the machine on the basis of the result of the nesting, the machine nesting machining program An automatic programming device for creating
An input unit for inputting information on parts to be input to nesting and information on the workpiece, and for inputting an arrangement position of parts having a predetermined length or more;
An automatic programming apparatus comprising: control means for controlling the following process processes (A) to (E).
(A) When the information on the part and the information on the workpiece are input from the input means, a step of performing a yield priority nesting with a good yield considering a lap amount where the parts overlap each other ;
(B) determining whether there is a part longer than the predetermined length from the information on the part;
(C) When it is determined in the step (B) that there is a part longer than the predetermined length, a planned cutting portion perpendicular to the length direction of the workpiece is detected, and the planned cutting portion Grouping the parts based on;
(D) setting an arrangement position of the parts having the predetermined length or more;
(E) A step of rearranging the group of the parts based on the arrangement position of the parts set in the step (D).   The said control means further checks the part of the said group rearranged by the said process (E), and controls the process (F) which determines arrangement | positioning of the said part. Automatic programming device.   The said processing machine has a processing table which processes the said to-be-processed member, The predetermined length of the said part is a half length of the processing range of the said processing table. 2. The automatic programming device according to 2.   The rearrangement of the group of parts may be performed so that the parts longer than the predetermined length come to the side to be processed first, or the parts longer than the predetermined length come to the side to be processed later. 4. The automatic programming device according to claim 1, wherein the automatic programming device is any one of rearrangement. In a processing system that performs nesting to place a long part on a long workpiece and processes the workpiece by a processing machine based on the nesting result, an automatic having an input means and a control means An automatic programming method for creating a processing program for nesting of the processing machine by a programming device,
(A) a step of inputting information on parts to be input to nesting and information on the workpiece to be used for nesting by the input means;
(B) Based on the information on the part and the information on the workpiece, the control means performs nesting with a good yield priority considering a lap amount where the parts overlap each other ; and
(C) determining from the control means whether there is a part longer than the predetermined length from the information of the part;
(D) When it is determined in the step (C) that there is a part longer than the predetermined length, the control means detects a cutting scheduled portion perpendicular to the length direction of the workpiece, Grouping the parts on the basis of the planned cutting portion;
(E) a step of setting an arrangement position of the parts having the predetermined length or more by the input means;
(F) The step of rearranging the group of the parts based on the arrangement position of the parts set in the step (E) by the control means. The said control means further checks the part of the said group rearranged by the said process ( F ), and controls the process ( G ) which determines arrangement | positioning of the said part. Automatic programming method.   The said processing machine has a processing table which processes the said to-be-processed member, The predetermined | prescribed length of the said part is a half length of the processing range of the said processing table, or characterized by the above-mentioned. 7. The automatic programming method according to 6.   The rearrangement of the group of parts may be performed so that the parts longer than the predetermined length come to the side to be processed first, or the parts longer than the predetermined length come to the side to be processed later. The automatic programming method according to any one of claims 5 to 7, wherein the automatic programming method is any one of rearrangement. A processing system that performs nesting to place long parts on a long workpiece, and processes the workpiece using a processing machine based on the nesting result,
A processing machine for processing the workpiece;
An automatic programming device for creating a processing program for nesting of the processing machine,
The automatic programming device is
An input unit for inputting information on parts to be input to nesting and information on the workpiece, and for inputting an arrangement position of parts having a predetermined length or more;
And a control means for controlling the following process steps (A) to (E).
(A) When the information on the part and the information on the workpiece are input from the input means, a step of performing a yield priority nesting with a good yield considering a lap amount where the parts overlap each other ;
(B) determining whether there is a part longer than the predetermined length from the information on the part;
(C) When it is determined in the step (B) that there is a part longer than the predetermined length, a planned cutting portion perpendicular to the length direction of the workpiece is detected, and the planned cutting portion Grouping the parts based on;
(D) setting an arrangement position of the parts having the predetermined length or more;
(E) A step of rearranging the group of the parts based on the arrangement position of the parts set in the step (D).

Images