CN106141447A - The method that figure import feature is bound to laser cutting machine - Google Patents

The method that figure import feature is bound to laser cutting machine Download PDF

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Publication number
CN106141447A
CN106141447A CN201610554322.XA CN201610554322A CN106141447A CN 106141447 A CN106141447 A CN 106141447A CN 201610554322 A CN201610554322 A CN 201610554322A CN 106141447 A CN106141447 A CN 106141447A
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Prior art keywords
cutting machine
laser cutting
processed
laser
cad
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CN201610554322.XA
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CN106141447B (en
Inventor
张海生
刘连桥
王庭
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Kunshan Njust Automation Technology Co Ltd
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Kunshan Njust Automation Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4097Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Numerical Control (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention provides the method that figure import feature is bound to laser cutting machine, it makes material process without cutting in advance, it is positioned over the operation position of correspondence, figure to be processed is imported to cutting machine main frame by workman, the structure that main frame automatically controls correspondence according to figure and laser parameter set in advance carries out fly-cutting so that operating process is simple, working (machining) efficiency is high.Cut the molding structure of material to be processed open formation developed surface along its length, outline draught corresponding to developed surface is formed two dimension cad figure, two dimension cad figure is imported in the operation software of external computer, external host computer is connected to laser cutting machine host, preset the initial point of two dimension cad figure, the coordinate system making two dimension cad figure is corresponding with the coordinate system of material to be processed, set the processing sequence of each pel to be processed on two dimension cad figure afterwards, laser cutting machine host calculates graphic element according to two dimension cad figure and default initial point and generates each motor coordinate.

Description

The method that figure import feature is bound to laser cutting machine
Technical field
The present invention relates to the technical field of cut, be specially the side that figure import feature is bound to laser cutting machine Method.
Background technology
The commonly used CNC system of existing laser cutting device completes the control of cutting path, uses the personnel of equipment Must possess the ability of CNC programming, how need to revise cutting path and order in laser cutting process, need CNC journey Sequence is modified, and is not easy to adjust processing sequence and cutting path in real time, and it makes existing laser cutting device cut When cutting higher to personnel requirement, and complex operation so that working (machining) efficiency is low.
Summary of the invention
For the problems referred to above, the invention provides the method that figure import feature is bound to laser cutting machine, it makes Material is processed without cutting in advance, is positioned over the operation position of correspondence, and figure to be processed is imported to cutting machine main frame by workman, The structure that main frame automatically controls correspondence according to figure and laser parameter set in advance carries out fly-cutting so that operating process letter Single, working (machining) efficiency height.
The method that figure import feature is bound to laser cutting machine, it is characterised in that: the molding of material to be processed is tied Structure cuts formation developed surface along its length open, the outline draught corresponding to developed surface forms two dimension cad figure, by two dimension Cad figure imports in the operation software of external computer, and external host computer is connected to laser cutting machine host, presets two dimension cad The initial point of figure so that the coordinate system of two dimension cad figure is corresponding with the coordinate system of material to be processed, sets two dimension cad afterwards The processing sequence of each pel to be processed on figure, laser cutting machine host calculates according to two dimension cad figure and default initial point Graphic element generates each motor coordinate, and laser cutting machine host drives laser, each axial motor to operate appointment sequentially The processing of pel, and then complete for single hop materiel machining, afterwards by this section of material cutting stock, afterwards laser cutting machine host Drive material feeding, complete the processing of hypomere material, until long not more than material.
It is further characterized by
Its concrete operation step is as follows:
(1) in advance external host computer is connected to laser cutting machine host by data wire, each by laser cutting machine Axle initial point involution makes laser cutting machine, external computer be in holding state;
(2) the two-dimentional cad figure selecting material to be processed imports in the operation software of external computer, reads to be added one by one Work pel;
(3) original position of clicking operation initial point side, each pel to be processed successively, it is intended that operating origin and to be processed The processing sequence of pel, formation showing methods chained list;
(4) laser cutting machine host judge material with or without and detect signal condition, as there is no material, change material in time;
(5) cut main frame calculates graphic element according to pel to be processed and generates motor coordinate, and the most external computer will The laser parameter of each graphic element is sent to cut main frame;
(6) cut host computer control laser is opened, is started motor location, adds according to the operation order of showing methods chained list Work material, until showing methods chained list performs to terminate;
(7) material machined under laser cutting machine cutting, controls material length direction motor feeding again, as Replacing material the most then shut down by material, and as material supply normally then returns step (5), cyclic process, until material is shut down not Change material.
It is further characterised by:
After step (2) reads two dimension cad graphic file, sort out various figures for index scheming layer, do not advise when reading Then during splicing figure, can automatically calculate graphics field and form complete pattern, each figure layer can individually set and add what man-hour used Laser power and the parameter of speed;
In step (3), processing sequence is by mouse in the graphical window of external computer, arbitrarily clicks on and formulates processing sequence, There is no the clicked pel to be processed arrived, will not be processed;
Step (5), (6) external computer during row transmits machined parameters to laser instrument in real time by RS232 interface, complete Become different processing technique;
Described two dimension cad figure is specially the two-dimentional cad figure of DXF, DWG form;
Described two dimension cad figure is cut formation developed surface along its length open and is drawn according to 1:1 according to molding structure, it is ensured that add Work precision.
After using the structure of the present invention, cut the molding structure of material to be processed open formation developed surface along its length, will Outline draught corresponding to developed surface forms two dimension cad figure, and two dimension cad figure imports the operation software of external computer In, external host computer is connected to laser cutting machine host, presets the initial point of two dimension cad figure so that the seat of two dimension cad figure Mark system is corresponding with the coordinate system of material to be processed, sets the processing sequence of each pel to be processed on two dimension cad figure afterwards, Laser cutting machine host calculates graphic element according to two dimension cad figure and default initial point and generates each motor coordinate, and laser is cut Cutting mill host driven laser, each axial motor have operated the processing of appointment order pel, and then complete for single hop material Processing, afterwards by this section of material cutting stock, laser cutting machine host drives material feeding afterwards, completes adding of hypomere material Work, until long not more than material;It makes material process without cutting in advance, is positioned over the operation position of correspondence, and workman will treat The figure of processing imports to cutting machine main frame, and the structure that main frame automatically controls correspondence according to figure and parameter set in advance is carried out Fly-cutting so that operating process is simple, working (machining) efficiency is high.
Accompanying drawing explanation
Fig. 1 is the concrete steps operation schematic block diagram of the present invention;
Fig. 2 is the axonometric chart structural representation in kind (removing machine casing part) of the specific embodiment of the present invention;
Fig. 3 is the top view structural representation (removing external computer) of Fig. 2;
Fig. 4 is that the A-A of Fig. 3 cuts open structural representation;
Fig. 5 is that the DXF form of light-wall pipe to be processed in Fig. 2 launches plane graph;
In figure, the title corresponding to sequence number is as follows:
Support 1, operating board 2, laser cutting head 3, external computer 4, display 5, keyboard 6, R axle electric rotating machine 7, pneumatic clamps 8, V-type support 9, light-wall pipe 10, switching jaw 11, cannulated sleeve 12, base 13, connecting plate 14, X-axis IOB 15, Y-axis electricity Machine 17, Y-axis output board 18, mounting seat 19, Z axis IOB 20, Z axis mounting seat 21.
Detailed description of the invention
The method that figure import feature is bound to laser cutting machine: by the molding structure of material to be processed along its length Cut formation developed surface open, the outline draught corresponding to developed surface is formed two dimension cad figure, outside being imported by two dimension cad figure Putting in the operation software of computer, external host computer is connected to laser cutting machine host, presets the initial point of two dimension cad figure, makes The coordinate system obtaining two-dimentional cad figure is corresponding with the coordinate system of material to be processed, and on the cad figure of setting two dimension afterwards, each is to be added The processing sequence of work pel, laser cutting machine host calculates graphic element according to two dimension cad figure and default initial point and generates each Individual motor coordinate, laser cutting machine host drives laser, each axial motor operate the processing of appointment sequentially pel, and then Completing for single hop materiel machining, afterwards by this section of material cutting stock, laser cutting machine host drives material feeding afterwards, complete Become the processing of hypomere material, until long not more than material.
External computer operation software built-in algorithms can recognize that straight line, multistage broken line, rectangle, polygon, circle, circular arc, Ellipse, elliptic arc, ellipse of revolution, rotating elliptical arc, SPL, and it is initial that irregular splicing figure is calculated cutting automatically Point, this function is the basic function of existing CAD software for drawing, does not repeats them here.
Its concrete operation step is following, see Fig. 1:
(1) in advance external host computer is connected to laser cutting machine host by data wire, each by laser cutting machine Axle initial point involution makes laser cutting machine, external computer be in holding state;
(2) the two-dimentional cad figure selecting material to be processed imports in the operation software of external computer, reads to be added one by one Work pel;
(3) original position of clicking operation initial point side, each pel to be processed successively, it is intended that operating origin and to be processed The processing sequence of pel, formation showing methods chained list;
(4) laser cutting machine host judge material with or without and detect signal condition, as there is no material, change material in time;
(5) cut main frame calculates graphic element according to pel to be processed and generates motor coordinate, and the most external computer will The laser parameter of each graphic element is sent to cut main frame;
(6) cut host computer control laser is opened, is started motor location, adds according to the operation order of showing methods chained list Work material, until showing methods chained list performs to terminate;
(7) material machined under laser cutting machine cutting, controls material length direction motor feeding again, as Replacing material the most then shut down by material, and as material supply normally then returns step (5), cyclic process, until material is shut down not Change material.
After step (2) reads two dimension cad graphic file, sort out various figures for index scheming layer, do not advise when reading Then during splicing figure, can automatically calculate graphics field and form complete pattern, each figure layer can individually set and add what man-hour used The parameter such as laser power and speed;
In step (3), processing sequence is by mouse in the graphical window of external computer, arbitrarily clicks on and formulates processing sequence, There is no the clicked pel to be processed arrived, will not be processed;
Step (5), (6) external computer during row transmits machined parameters to laser instrument in real time by RS232 interface, complete Become different processing technique;
Two dimension cad figure is specially the two-dimentional cad figure of DXF, DWG form;
Two dimension cad figure is cut formation developed surface along its length open and is drawn according to 1:1 according to molding structure, it is ensured that processing essence Degree.
Specific embodiment corresponding to method, band figure is led the automatic feed light-wall conduit laser cutting machine of bit function, is seen Fig. 2 ~Fig. 4: it includes support 1, is provided with cutting machine main frame (being not drawn in figure, belong to existing mature technology), support 1 in support 1 Upper surface is provided with operating board 2, and one end of operating board 2 is provided with laser cutting head 3, and it also includes external computer 4, external electricity Brain 4 includes display 5, keyboard 6, and the main frame of external computer 4 connects cutting machine main frame, peace in external computer 4 by data wire Equipped with the graphic operation software with cutting machine compatible mainframe, three-dimensional light-wall pipe is launched to form plane graph and shows by graphic operation software Showing and arrange the processing graphic pattern of correspondence, laser cutting head 3 can carry out Z-axis direction, Y-motion, and operating board 2 is provided with can be along The R axle electric rotating machine 7 that X-axis moves axially, the outfan towards laser cutting head 3 of R axle electric rotating machine 7 is provided with pneumatic chuck The central shaft of 8, R axle electric rotating machines 7 is parallel to X-axis, and one end away from laser cutting head 3 of operating board 2 is provided with V-type and supports 9, V-type supports 9 and arranges along the back-end central axle extending direction of R axle electric rotating machine 7, and V-type supports in 9 to be processed thin for placing Wall pipe 10, the motor corresponding to X-axis, Y-axis, Z axis, R axle is all by cutting machine host computer control, and laser cutting head 3 is near operating board 2 Side be provided with switching jaw 11, switching jaw 11 is by pneumatic control, and switching jaw 11 is for clamping correspondence position Light-wall pipe so that R axle electric rotating machine 7 drive pneumatic chuck 8 along X-axis retreat time, light-wall pipe 10 will not and then retreat.
The installation end of pneumatic chuck 8 is set in the outfan of R axle electric rotating machine 7, the cental axial position of R axle electric rotating machine 7 Being provided with cannulated sleeve 12, light-wall pipe 10 is clamped by pneumatic chuck 8 after running through cannulated sleeve 12 so that R axle electric rotating machine 7 can To drive light-wall pipe to rotate;
The base 13 of R axle electric rotating machine 7 is supported on the X-axis IOB 15 of X-axis motor, and X-axis motor is installed in operating board 2 Upper surface (is not drawn in figure, belong to existing mature structure), and X-axis motor 14 drives X-axis IOB 15 to do feeding fortune at X axis Dynamic, and then drive light-wall pipe 10 in X axis feeding;
The agent structure of laser cutting head 3 is installed in the Y-axis output board 18 of y-axis motor 17, the mounting seat 19 of y-axis motor 17 Being fixed with the Z axis IOB 20 of Z axis motor, Z axis motor is installed in the upper surface of support 1 by Z axis mounting seat 21;
The switching jaw 11 upper surface by the Working position side of connecting plate 14 tightening operation platform 2, it guarantees switching folder The Clamping Center axle of pawl 11 and the Clamping Center axle of pneumatic chuck 8 are on the same line.
Its operation principle is as follows: the light-wall pipe presetting three-dimensional launches to be formed the reference coordinate point of plane graph so that cut Coordinate system in cutting mill main frame is launched to be formed the coordinate system of plane graph and is kept consistent with light-wall pipe, and whole light-wall pipe is positioned over V Type supports in the installation cavity of 9, and presetting left side in Fig. 5 is reference location limit, then according to order graphics processing element from left to right, Click on left side, click on three graphic elements to be processed the most successively, form the showing methods chained list of light-wall pipe, then make whole The front end that root light-wall pipe 10 runs through is positioned at the lower position of the lasing light emitter of laser cutting head 3 after running through pneumatic chuck 8, adjust Z axis, The lasing light emitter of Y-axis and then drive laser cutting head 3 is positioned at the surface of the front end of light-wall pipe 10, and pneumatic chuck 8 clamps thin afterwards Wall pipe, the lasing light emitter of laser cutting head 3 cuts away the front end redundance of light-wall pipe to be carried out cutter so that whole coordinate corresponding Cause, reserved enough X-direction spaces, cutting machine main frame root afterwards between lasing light emitter and the pneumatic chuck 10 of laser cutting head 3 The lasing light emitter of the positional structure driving X axis feeding on formation plane graph, the rotation of R axle, laser cutting head 3 is launched according to light-wall pipe Whether cut, complete the processing for one section of light-wall pipe, cut off blanking afterwards, when back segment light-wall pipe 10 feeds, switching folder Pawl 11 is for clamping the light-wall pipe 10 of correspondence position, so that R axle electric rotating machine 7 drives pneumatic chuck 8 to retreat along X-axis Certain length, pneumatic chuck 8 clamps light-wall pipe afterwards, switching jaw 11 unclamps light-wall pipe, X axis feeding light-wall pipe to be formed Length, the positional structure that cutting machine main frame launches to be formed on plane graph according to light-wall pipe afterwards drives X axis feeding, the rotation of R axle Turn, the cutting of the lasing light emitter of laser cutting head 3 whether, complete the processing for next section of light-wall pipe 10, cyclic process is thin successively Wall pipe, until the processed end of the length direction of whole light-wall pipe, it makes light-wall pipe process without cutting in advance, and it is right to be positioned over The operation position answered, figure to be processed is imported to cutting machine main frame by workman, and main frame is according to figure and parameter set in advance The structure automatically controlling correspondence carries out fly-cutting so that operating process is simple, working (machining) efficiency is high.
Above the specific embodiment of the present invention is described in detail, but content has been only the preferable enforcement of the invention Example, it is impossible to be considered the practical range for limiting the invention.All impartial changes made according to the invention application range Change and improvement etc., within all should still belonging to the patent covering scope of the present invention.

Claims (7)

1. method figure import feature being bound to laser cutting machine, it is characterised in that: by the molding structure of material to be processed Cut formation developed surface along its length open, the outline draught corresponding to developed surface is formed two dimension cad figure, by two dimension cad Figure imports in the operation software of external computer, and external host computer is connected to laser cutting machine host, presets two dimension cad figure Initial point so that two dimension cad figure coordinate system corresponding with the coordinate system of material to be processed, afterwards set two dimension cad figure The processing sequence of each pel to be processed upper, laser cutting machine host calculates figure according to two dimension cad figure and default initial point Each motor coordinate of Element generation, laser cutting machine host drives laser, each axial motor operate appointment sequentially pel Processing, and then complete for single hop materiel machining, afterwards by this section of material cutting stock, laser cutting machine host drives afterwards Material feeding, completes the processing of hypomere material, until long not more than material.
2. the method as claimed in claim 1 figure import feature being bound to laser cutting machine, it is characterised in that:
Its concrete operation step is as follows:
(1) in advance external host computer is connected to laser cutting machine host by data wire, by former for each axle of laser cutting machine Point involution makes laser cutting machine, external computer be in holding state;
(2) the two-dimentional cad figure selecting material to be processed imports in the operation software of external computer, reads figure to be processed one by one Unit;
(3) original position of clicking operation initial point side, each pel to be processed successively, it is intended that operating origin and pel to be processed Processing sequence, formed showing methods chained list;
(4) laser cutting machine host judge material with or without and detect signal condition, as there is no material, change material in time;
(5) cut main frame calculates graphic element according to pel to be processed and generates motor coordinate, and the most external computer is by each The laser parameter of graphic element is sent to cut main frame;
(6) cut host computer control laser is opened, is started motor location, according to the operation order machining object of showing methods chained list Material, until showing methods chained list performs to terminate;
(7) material machined under laser cutting machine cutting, controls material length direction motor feeding again, such as material Inadequate then shut down change material, as material supply normally then return step (5), cyclic process, until replacing shut down not by material Material.
3. the method as claimed in claim 2 figure import feature being bound to laser cutting machine, it is characterised in that: step (2), after reading two dimension cad graphic file in, various figures are sorted out for index scheming layer, when reading irregular splicing figure, Can automatically calculate graphics field and form complete pattern, each figure layer can individually set and add laser power and the speed that man-hour uses Parameter.
4. the method as claimed in claim 2 figure import feature being bound to laser cutting machine, it is characterised in that: step (3) in, processing sequence is by mouse in the graphical window of external computer, arbitrarily clicks on and formulates processing sequence, does not has clicked arriving Pel to be processed, will not be processed.
5. the method as claimed in claim 2 figure import feature being bound to laser cutting machine, it is characterised in that: step (5), (6) external computer during row transmit machined parameters in real time to laser instrument by RS232 interface, complete different processing Technique.
6. the method as claimed in claim 1 or 2 figure import feature being bound to laser cutting machine, it is characterised in that: institute State two dimension cad figure and be specially the two-dimentional cad figure of DXF, DWG form.
7. the method as claimed in claim 1 or 2 figure import feature being bound to laser cutting machine, it is characterised in that: institute State two dimension cad figure and cut formation developed surface along its length open according to molding structure according to 1:1 drafting.
CN201610554322.XA 2016-07-14 2016-07-14 Figure import feature is bound to the method for laser cutting machine Active CN106141447B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108762696A (en) * 2018-05-18 2018-11-06 嘉兴鹰华智能科技有限公司 Industrial lasers process equipment prints driving method
CN110900008A (en) * 2019-12-19 2020-03-24 苏州德吉克激光设备有限公司 Intelligent optical fiber laser cutting system and application method thereof
CN111830908A (en) * 2020-06-17 2020-10-27 上海烟草机械有限责任公司 Cylindrical envelope tool path generation method, system, terminal and medium based on two-dimensional linear graph
CN112719627A (en) * 2020-12-17 2021-04-30 新代科技(苏州)有限公司 Laser cutting system and laser cutting material supplementing method
CN113601024A (en) * 2021-07-27 2021-11-05 东莞市美芯龙物联网科技有限公司 Laser cutting method for preventing edge from being burnt

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CN104858537A (en) * 2015-05-29 2015-08-26 北京林克曼数控技术股份有限公司 Method and device for controlling groove of workpiece cut by robot
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JPH0716771A (en) * 1993-06-15 1995-01-20 Toshiba Corp Laser cutting information forming device
JPH0981223A (en) * 1995-09-11 1997-03-28 Fujitsu Ltd Cad/cam data conversion system and nc working system provided with the conversion system
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108762696A (en) * 2018-05-18 2018-11-06 嘉兴鹰华智能科技有限公司 Industrial lasers process equipment prints driving method
CN110900008A (en) * 2019-12-19 2020-03-24 苏州德吉克激光设备有限公司 Intelligent optical fiber laser cutting system and application method thereof
CN111830908A (en) * 2020-06-17 2020-10-27 上海烟草机械有限责任公司 Cylindrical envelope tool path generation method, system, terminal and medium based on two-dimensional linear graph
CN112719627A (en) * 2020-12-17 2021-04-30 新代科技(苏州)有限公司 Laser cutting system and laser cutting material supplementing method
CN113601024A (en) * 2021-07-27 2021-11-05 东莞市美芯龙物联网科技有限公司 Laser cutting method for preventing edge from being burnt

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