CN1547083A - Intelligent controller for digital controlled cutting of plate work expansion - Google Patents
Intelligent controller for digital controlled cutting of plate work expansion Download PDFInfo
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- CN1547083A CN1547083A CNA200310112380XA CN200310112380A CN1547083A CN 1547083 A CN1547083 A CN 1547083A CN A200310112380X A CNA200310112380X A CN A200310112380XA CN 200310112380 A CN200310112380 A CN 200310112380A CN 1547083 A CN1547083 A CN 1547083A
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Abstract
The invention provides a kind of intelligent controller for a kind of sheetmetal development numeric control cutter, it is a kind of PC system, it has the mechanism language of controller and all functions of control procedure. The controller has part of intelligent functions, which includes the sheetmetal development CAM method with descriptive geometry theory, which can develop the three-dimension irregular sheetmetal component in sheetmetal development into two-dimension plane image fully, and it can calculate the sketch curve length, area, and moving point track of the developed image, the precision can reach 0.00X%; it not only can control the cutter to feed material according to the correct track, it also can provide relative data to management part to carry on cost accounting, schedule. The invention is easy to be operated, and it can realize the total parameterization.
Description
Technical field
The present invention relates to a kind of intelligent controller, particularly a kind of sheet-metal unfolding numerical control cutting machine intelligent controller.
Background technology
In recent years,, extensively accepted by the control core system, and become the new focus of digital control system exploitation by industrial control field with the Industrial PC Computer along with the fast development of Industrial PC Computer performance.Controller carries software, in the age of dos operating system, just there is manufacturer to be engaged in both at home and abroad and developed,, and stop exploitation soft, that controller that hardware is synthetic carries software because the producer of Production Controller can't make the final user obtain the continual renovation and the upgrading of reliable software engineering and software.
FAST SHAPES panel beating setting-out software and FAST PIPE steel pipe (intersection) cutting software exist AUTO CAD design software and FAST CAM and make the purpose that software can not reach " design and modeling, design and manufacturing ".Because the problem of modeling method occurs can not combining together towards technology and production, and causes cut quality to descend, software is brought in constant renewal in and the upgrading difficulty.At present, all kinds of FLAME NC cutting machines of at home and abroad developing, plasma digital control cutting machine, high pressure jet numerical control cutting machine, sicomat etc., all dispose the dissimilar required controllers of cutting machine function, and these models, controller that function is different, except carrying (or developing) dissimilar controller instruction and control program, any never again manufacturer develops the intelligent controller that design, modeling, manufacturing are combined together.Up to the present, also can successfully " sheet-metal unfolding CAM software " be reached " pipe passes through cutting software mutually " both at home and abroad and develop soft, the hardware integrator that the controller of motion control card and numerical control cutting machine is incorporated into one without any a family, they or single the numerical control cutting machine of developing, the control system of exploitation cutting machine, or just merely develop the application software in panel beating field.
Cutting machine controller in the just present domestic and international market, the following deficiency of ubiquity:
(1) the panel beating CAM developer in panel beating field, generally all be on Auto CAD platform, to carry out the exploitation second time, because Auto CAD is a design software, it or not cutting software, need develop CAD in graphics module specially removes and compression function software, must remove overlapping Points And lines, compress little camber line, reduce cut quality like this.
(2) be the development idea of principle with cartesian geometry, can't break away from " surface modeling, curved surface modeling " or other modeling technique under one's control of " reverse-engineering ", be difficult to reach the full predicament of design, modeling, manufacturing three.
(3) nc program is handled, need to use motion control card, directly straight line is carried out interpolation with telling this fourth (ITM) method, or with improving this fourth method of telling, after calculating the circular arc angle, calculate the INTERPOLATION CONTROL OF PULSE of node coordinate by geometric relationship, influence cutting accuracy from the circular arc starting point to each little straight-line segment.
(4) thus cause repeating cutting or being interrupted cutting of cutting process, influence cut quality.
(5) can't break away from surface modeling, curved surface modeling and other modeling technique under one's control of reverse-engineering, be difficult to the purpose that reaches design, modeling, is fabricated to one.
(6) can't break away from the interpolating method that this fourth (ITM) told in employing, geometric relationship be calculated the predicament of each little straight sections point coordinate INTERPOLATION CONTROL OF PULSE technology.
(7) welding and the cutting that sheet-metal member is launched, groove type be V, X, Y, K type decide angle, cusp appears in the cutting of varied angle groove; And the identical rate of two intersecting bodys, not at desired section line, cut on the intersection point, caused the inaccuracy of thickness of slab Processing Interface, seam.
(8) to the expansion of sheet-metal member, from the conceptual design to the structural design, and even each detailed design, realize that parametrization, variable design are at Auto CAD design software platform, when the exploitation specialty is made software, must develop CAD specially and remove and compressed software, the modification software of cutting path can cause updating and revising introducing of a certain path and extension line position.
(9) sheet-metal member expansion, pipe being passed through irregular in the cutting pattern, special-shaped complicated products C NC program editing mutually but feels simply helpless.
Summary of the invention
The object of the present invention is to provide a kind of simple to operate, can realize that controller does not have a kind of sheet-metal unfolding numerical control cutting machine intelligent controller of programming, parametrization, variable design.
The object of the present invention is achieved like this: a kind of sheet-metal unfolding numerical control cutting machine intelligent controller, be the PC system, the every function that possesses the machine language and the executive routine in the controller of controller, wherein: controller has the part intelligent function, the sheet-metal member expansion CAM method that comprises with the descriptive geometry panel beating field that is principle, three-dimensional special-shaped irregular sheet-metal member 100% in the sheet-metal unfolding handbook can be launched into 2-d plane graph, and can accurately calculate contour curve length, area, the moving point trace of stretch-out view, its precision reaches 0.00X%; Except that the may command cutting machine is pressed correct track blanking, also can provide related data to do cost accounting, planning schedule to administrative authority.
Described in the present invention with the descriptive geometry be the sheet-metal member of principle to launch the CAM method be to adopt geometrical curve centering to ask the method for the design of arc method and modeling, realized that population parameterization, variable design launch design and blanking cutting to non-circular curve, curved surface member.It is a kind of calculating and drawing practice that solves varied curve in plane and the space that Mr. Min Lincong proposes that the arc method is asked in geometrical curve centering, basic thought and the Cartesian variable principle of its utilization Liu Wei " skill to cut a round ", allow arbitrary section curve arc in the arbitrary curve, can not only determine the curve arc right center of circle O, central angle alpha, radius R, curve arc L, curve encloses position and the numerical value of area S, and can go out the figure of realistic accuracy requirement with computing machine and manual drawing by data, reach towards technology, the design of producing, modeling, the purpose of the three full technology of manufacturing.
Controller of the present invention comprises Industrial PC Computer, motion control card and servo-drive system.
Motion control card described in the controller of the present invention mainly comprises decoding scheme, oscillatory circuit, I/O port circuit, pulse control circuit, interrupt circuit and photoelectricity isolation imput output circuit; Motion control card is inserted in the expansion slot of Industrial PC Computer, and it links to each other with servo-drive system on the one hand, and the relay with cutting machine control panel and control source of the gas links to each other on the other hand.
I/O port circuit in the motion control card of the present invention is made up of two 8255 parallel chips; Pulse control circuit is made up of two 8254 counters, and every 8254 counter is controlled the servomotor of an axle respectively.
Servo-drive system described in the controller of the present invention is the controller that step-servo system or digital AC servo-drive system are formed.
The present invention compared with prior art has following advantage:
1. do not need programming, only need the relevant dimensional data of input, the interface will show pictorial diagram, three-view diagram, auxiliary view, sectional drawing, the construction stretch-out view of sheet-metal member in real time.
2. adopt " the arc method is asked in geometrical curve centering " design and modeling method, realized population parameterization, variable design, non-circular curve, curved surface member are launched design and processing, be not subjected to the constraint of reverse-engineering boolean feature and B batten modeling method.
3. the cutting of the expansion of sheet-metal member and pipe being passed through mutually with the diagram space geometry is by two-dimensional design and have the function of three-dimensional kernel; To the expansion of each member full-size drawing design, must be among design constraint with restrictive condition and specific (special) requirements.
4. be the development idea of principle with descriptive geometry, to drawing breadth and each class view and drawing code name, rectangular coordinate, dimension line and dimensional data, a content such as the technical requirement of formulation, title block meets the requirement of " mechanical drawing national standard " fully.
5. the thickness of slab that sheet-metal member and pipe are passed through cutting is mutually handled, the contact form that central core, lining skin (plug-in type), crust (saddle type) are arranged, and pipe passes through the cutting of part port and hole, groove mutually, the expansion and the cutting of the three-dimensional node of purlin, space rack, two dimension, three-dimensional synchronous processing modeling in real time, automatically the existence machining code need not remedying of Tu Siding (ITM) interpolating method.
6. motion control card carries out three-dimensional structure and launches the emulation cutting for the PC system provides 100% pair of abnormal shape and irregular sheet-metal member, manages the editor and quick, the accurate motion control instruction of final formation of passing through cutting, steel structure net rack CNC program mutually.
7. intelligent controller, according to numerical control program, to sheet-metal unfolding welding and V, X, Y, K type groove and pipe in the cutting pass through mutually cutting decide angle, the varied angle groove cuts one-shot forming, need not quadratic programming, no cusp, not be used in the software module of special exploitation CAD removing, compression function in the graphics module.
8. pass through curve length overall L, the area S in the input and output technological parameter of cutting, the moving point of any track P on the curve mutually according to sheet-metal unfolding, pipe
i(x
i, y
i) value, with the checking of integral equation and parametric equation, its precision reaches 0.00X% (relative error ten thousand/several).
9. to whole figures of non-circular curve, adopted from " conceptual design is to structural design " to each detailed design, all possessed towards cutting and welding technology, the function of finance and production management has reached " design, modeling, manufacturing " three full purpose.
10. realize the Network CNC platform, easily the client is programmed at a distance, adopt the software license mode of the current international practice, data and file that sharing application software generates.Allow cutting machine developer and final user in time obtain reliable software engineering support and renewal, upgrading, fault diagnosis, synchronous maintenance.
Description of drawings
Fig. 1 is a hardware block diagram of the present invention;
Fig. 2 is the schematic diagram of motion control card;
Fig. 3 is a control program process flow diagram of the present invention;
Fig. 4 is the stereographic map of the embodiment of the invention;
Fig. 5 is the size marking figure of the embodiment of the invention;
Fig. 6 a is the arm stretch-out view of the embodiment of the invention;
Fig. 6 b is person in charge's stretch-out view of the embodiment of the invention;
Fig. 7 a is the arm simulation cutting drawing of the embodiment of the invention;
Fig. 7 b is that the person in charge of the embodiment of the invention simulates cutting drawing.
Embodiment
Below in conjunction with drawings and Examples the present invention is done to describe further, but do not constitute any limitation of the invention.
As shown in Figure 1, it is the hardware block diagram of sheet-metal unfolding numerical control cutting machine intelligent controller control NC flame cutting machine of the present invention, mainly comprise Industrial PC Computer, motion control card and servo-drive system, wherein Industrial PC Computer is the core of digital control system, and it is undertaking the calculating of cutting machine movement locus and to the total system managerial role; Motion control card is inserted in the expansion slot of Industrial PC Computer, and it links to each other with servo-drive system on the one hand, realizes the control to the cutting machine movement locus; Relay with cutting machine control panel and control source of the gas links to each other on the other hand, by control panel, can adjust the position of cutting machine, and the instruction cutting machine starts, suspends or returns along cutting track, can also realize the acceleration and the deceleration of cutting speed; By relay, can control oxygen and acetylene gas switch; Servo-drive system is step-servo system or digital AC servo-drive system.
As shown in Figure 2, motion control card mainly comprises decoding scheme, oscillatory circuit, I/O port circuit, pulse control circuit, interrupt circuit and photoelectricity isolation imput output circuit; Wherein decoding scheme provides an interface IP address section for motion control card, can change the scope of address field by toggle switch; Oscillating circuit provides the impulse source of a fixed frequency for the pulse control circuit on the motion control card; The I/O port circuit is made up of two 8255 parallel chips, and it mainly acts on is output cutting machine source of the gas control signal and input cutting machine button signal; Pulse control circuit is made up of two 8254 counters, and every 8254 counter is controlled the servomotor of an axle respectively; Interrupt circuit provides hardware interrupt design for Control Software; Photoelectricity is isolated imput output circuit with Industrial PC Computer power supply and extraneous isolated from power, reduces the interference of extraneous power supply to computing machine.Motion control card provides the compiling and the final motion control instruction that forms of the CNC program of standard for the PC system platform, it contains following technology contents:
(1) eight big modeling combines together: restrictive condition, mathematical model, process conditions, interface type, process redundancy, technology inventory, cutting compensation, store keeping.
(2) technical functionality of software: population parameter programming, input, engineering drawing printing, technology list print, HELP file storage, executive routine source code, G code editor, CNC cutting path.
(3) management function of software: CAM software development, welding and cutting technique, production planning management, financial cost accounting, stock's surplus material, all kinds of controller instruction, software upgrading and upgrading, network permission are shared.
Industrial PC Computer is pressed following works after accepting input parameter:
(1) INTERFACE DESIGN;
(2) system initialization design and cutting are waited for;
(3) program checkout and graphical simulation;
(4) nc program is handled;
(5) dynamic tracking of arc method calculation control and track is asked in geometrical curve centering;
(6) return by former track;
(7) towards production, plan, finance, store keeping;
(8) application software generation data and file network are shared;
(9) control program of realization cutting machine controller; Process flow diagram as shown in Figure 3.
Embodiment:
When the present invention specifically uses, only need the relevant dimensional data of input in " input parameter frame ", as diameter D or d, length of side a or b, height H or h, angle ∠ α or ∠ λ, data such as thickness of slab t, the theoretical ratio P of material weight,, finish related work just the .PC machine begins computing voluntarily.Launch as blanking, see also shown in Fig. 4 to Fig. 7 b input parameter pipe orthogonal oblique cone pipe:
D (in)=Φ 40 d
1=Φ 80 d
2=Φ 40 α=60 b=100 h=100 t
1=1 t
2=1 p=7.85
Pipe I blanking parameter:
i X[i] Y[i] R[i]
0 0.00000 75.00000
1 6.98132 74.33927 37.12563
2 13.96263 72.26161 36.40876
3 20.94395 68.49003 38.13203
4 27.92527 62.64241 48.01232
5 34.90659 54.52091 80.07560
6 41.88790 44.69464 239.69183
7 48.86922 34.92280 197.43581
8 55.85054 27.67428 39.11895
9 62.83185 25.00000 11.66846
Technological parameter:
L
2I＝167.74991mm?LI＝343.41362mm?SI＝0.00684m
2?NI＝0.05366kg
Pipe II blanking parameter (big mouthful):
i X
1[i] Y
1[i] R
1[i]
0 0.00000 0.00000
1 13.85583 1.50943 64.57546
2 27.09148 5.88493 68.58982
3 39.26069 12.69408 79.29537
4 50.24091 21.29977 106.73540
5 60.30662 30.96705 204.28513
6 70.04619 40.96565 8308.60718
7 80.11402 50.63113 220.19184
8 90.97234 59.39423 131.84238
9 102.78219 66.82145 110.19325
Technological parameter:
L
zII1＝167.74991mm
Pipe II blanking parameter (osculum):
i X
2[i] Y
2[i] R
2[i]
0 0.00000
i 6.92792 128.81721 32.28773
2 13.54574 131.00495 34.29491
3 19.63034 134.40952 39.64768
4 25.12046 138.71237 53.36770
5 30.15331 143.54601 102.14256
6 35.02310 148.54531 4154.30359
7 40.05701 153.37805 110.09592
8 45.48617 157.75969 65.92119
9 51.39109 161.47321 55.09663
Technological parameter:
L
zII2＝125.64890mm
Pipe II blanking parameter (hole):
i X
2[i] Y
2[i] R
2[i]
0 0.00000 32.01562
1 6.86766 33.28525 19.23437
2 13.05110 37.07989 19.82510
3 17.85723 43.35746 22.01259
4 20.60099 52.01308 27.96902
5 20.72660 62.69899 40.63329
6 18.09354 74.44073 57.96491
7 13.19043 85.38200 57.77722
8 6.89209 93.20568 29.87243
9 0.00000 96.04686 10.83089
Technological parameter:
L
zII3＝167.74971mm
L
zII＝760.10301mm?SII＝0.01867m
2?NII＝0.14658kg
The total parameter of technology:
L
z＝1103.51663mm?S＝0.02551m
2?N＝0.20024kg。
Claims (7)
1. sheet-metal unfolding numerical control cutting machine intelligent controller, be the PC system, the every function that possesses the machine language and the executive routine in the controller of controller, it is characterized in that: controller has the part intelligent function, the sheet-metal member expansion CAM method that comprises with the descriptive geometry panel beating field that is principle, three-dimensional special-shaped irregular sheet-metal member 100% in the sheet-metal unfolding handbook can be launched into 2-d plane graph, and can accurately calculate contour curve length, area, the moving point trace of stretch-out view, its precision reaches 0.00X%; Except that the may command cutting machine is pressed correct track blanking, also can provide related data to do cost accounting, planning schedule to administrative authority.
2. intelligent controller as claimed in claim 1, it is characterized in that: descriptive geometry is that the sheet-metal member expansion CAM method in the panel beating field of principle is asked the method for design of arc method and modeling for adopting geometrical curve centering, realizes that population parameterization, variable design launch design to non-circular curve, curved surface member and cut with blanking.
3. NC cutting intelligent controller as claimed in claim 1 or 2 is characterized in that: controller comprises Industrial PC Computer, motion control card and servo-drive system.
4. NC cutting intelligent controller as claimed in claim 3 is characterized in that: described motion control card mainly comprises decoding scheme, oscillatory circuit, I/O port circuit, pulse control circuit, interrupt circuit and photoelectricity isolation imput output circuit; Motion control card is inserted in the expansion slot of Industrial PC Computer, and it links to each other with servo-drive system on the one hand, and the relay with cutting machine control panel and control source of the gas links to each other on the other hand.
5. NC cutting intelligent controller as claimed in claim 4 is characterized in that: the I/O port circuit is made up of two 8255 parallel chips.
6. NC cutting intelligent controller as claimed in claim 4 is characterized in that: pulse control circuit is made up of two 8254 counters, and every 8254 counter is controlled the servomotor of an axle respectively.
7. NC cutting intelligent controller as claimed in claim 3 is characterized in that: servo-drive system is step-servo system or digital AC servo-drive system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200310112380XA CN1547083A (en) | 2003-11-28 | 2003-11-28 | Intelligent controller for digital controlled cutting of plate work expansion |
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|---|---|---|---|
| CNA200310112380XA CN1547083A (en) | 2003-11-28 | 2003-11-28 | Intelligent controller for digital controlled cutting of plate work expansion |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961810A (en) * | 2009-07-24 | 2011-02-02 | 王正怡 | Construction method for manufacturing multi-pipe intersecting steel pipe component |
| CN102044082A (en) * | 2011-01-18 | 2011-05-04 | 李宗耳 | Calculation method development for marking-off in process of processing plate parts |
| CN104216333A (en) * | 2014-09-10 | 2014-12-17 | 上海维宏电子科技股份有限公司 | Method for implementing two-dimensional expansion graph based cutting control in numerical-control system |
| CN106670584A (en) * | 2016-12-10 | 2017-05-17 | 湖南金海钢结构股份有限公司 | Novel machining method for intersecting opening of curved rod piece |
| CN107984056A (en) * | 2017-11-23 | 2018-05-04 | 湖北工业大学 | One kind welding hair dirt rate test device and method |
| CN109352269A (en) * | 2018-10-26 | 2019-02-19 | 西安长峰机电研究所 | A kind of metal plate forming method of twin columns curved surface |
| CN112613117A (en) * | 2020-12-11 | 2021-04-06 | 成都飞机工业（集团）有限责任公司 | Rapid construction and design method for aviation flap from unfolding size to 3D |
| CN115091550A (en) * | 2022-05-31 | 2022-09-23 | 安徽省众望科希盟科技有限公司 | Expanded polytetrafluoroethylene die-cut piece forming method and system, electronic equipment and medium |
-
2003
- 2003-11-28 CN CNA200310112380XA patent/CN1547083A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961810A (en) * | 2009-07-24 | 2011-02-02 | 王正怡 | Construction method for manufacturing multi-pipe intersecting steel pipe component |
| CN102044082A (en) * | 2011-01-18 | 2011-05-04 | 李宗耳 | Calculation method development for marking-off in process of processing plate parts |
| CN102044082B (en) * | 2011-01-18 | 2012-05-23 | 李宗耳 | Calculation method development for marking-off in process of processing plate parts |
| CN104216333A (en) * | 2014-09-10 | 2014-12-17 | 上海维宏电子科技股份有限公司 | Method for implementing two-dimensional expansion graph based cutting control in numerical-control system |
| CN104216333B (en) * | 2014-09-10 | 2017-09-12 | 上海维宏电子科技股份有限公司 | The method for realizing cut-sytle pollination in digital control system based on two-dimensional development figure |
| CN106670584A (en) * | 2016-12-10 | 2017-05-17 | 湖南金海钢结构股份有限公司 | Novel machining method for intersecting opening of curved rod piece |
| CN107984056A (en) * | 2017-11-23 | 2018-05-04 | 湖北工业大学 | One kind welding hair dirt rate test device and method |
| CN107984056B (en) * | 2017-11-23 | 2020-07-10 | 湖北工业大学 | Welding dust generation rate testing device and method |
| CN109352269A (en) * | 2018-10-26 | 2019-02-19 | 西安长峰机电研究所 | A kind of metal plate forming method of twin columns curved surface |
| CN112613117A (en) * | 2020-12-11 | 2021-04-06 | 成都飞机工业（集团）有限责任公司 | Rapid construction and design method for aviation flap from unfolding size to 3D |
| CN112613117B (en) * | 2020-12-11 | 2022-08-12 | 成都飞机工业（集团）有限责任公司 | Rapid construction and design method for aviation flap from unfolding size to 3D |
| CN115091550A (en) * | 2022-05-31 | 2022-09-23 | 安徽省众望科希盟科技有限公司 | Expanded polytetrafluoroethylene die-cut piece forming method and system, electronic equipment and medium |
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