CN117817142A - Control method for cutting motion trail in plate motion process - Google Patents
Control method for cutting motion trail in plate motion process Download PDFInfo
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- CN117817142A CN117817142A CN202311784354.5A CN202311784354A CN117817142A CN 117817142 A CN117817142 A CN 117817142A CN 202311784354 A CN202311784354 A CN 202311784354A CN 117817142 A CN117817142 A CN 117817142A
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- plate
- motion
- cutting
- conveying
- track
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- 238000005520 cutting process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000003698 laser cutting Methods 0.000 claims abstract description 21
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention discloses a control method of a cutting motion track in a plate motion process, wherein the motion speed of a laser cutting head in a conveying direction is the decomposition motion speed of the laser cutting head in the conveying direction when the laser cutting head statically cuts a plate at a certain point in the motion track in the plate conveying direction, and the plate conveying speed is superposed in the conveying direction. The invention can well solve the cutting problem of the plate material in the dynamic transportation process, and further can process the plate material part with the part length longer than the processing area length, and compared with the static cutting, the plate material part with the part length longer than the processing area length can be processed in a more mode; the cutting processing is completed in the plate moving process, the coiled material can be dynamically and circularly cut, and the cutting processing efficiency is improved.
Description
Technical Field
The invention relates to the field of material processing and manufacturing, in particular to a control method of a cutting motion track in a plate motion process.
Background
Along with the large-scale application of industrial automation technology, the requirements for laser cutting of plates are continuously increased in the fields of automobile manufacturing, aerospace, bridge deceleration, furniture home appliances, special equipment production and the like, and the improvement of the production efficiency of the laser cutting of the plates becomes more and more important. Most of laser cutting in the market at present is static cutting, and the production efficiency is lower. How to finish cutting processing in the plate moving process becomes an important way for improving the laser cutting efficiency.
Disclosure of Invention
The invention provides a control method for cutting motion tracks in a plate moving process, which is characterized in that the motion tracks of a plate cut by a laser cutting head in a static state are superimposed on the motion tracks of the plate in a conveying direction, and finally the cutting motion tracks of the laser cutting head in the plate moving process are generated, so that the laser cutting head can complete cutting work of the plate in the static state in the plate moving process.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a control method of cutting motion track in the plate motion process is characterized in that at a certain point in the motion track in the plate conveying direction, when the motion speed of a laser cutting head in the conveying direction is static cutting, the motion speed is decomposed in the conveying direction, and the conveying speed of the plate in the conveying direction is superposed.
As a preferable mode of the above scheme, the control method specifically includes the steps of:
s1, setting a cutting path and a cutting speed of a laser cutting head of a plate in a static state;
s2, starting a conveying shaft, setting the conveying speed of the conveying shaft, and enabling the plate to move forwards at the conveying speed according to a set track;
and S3, when the movement of the plate reaches the set conveying distance, the movement track of the laser cutting head is controlled according to the movement track of the static cutting plate and the movement track of the plate in the conveying direction, so that the cutting processing of the preset cutting track of the plate in the static state is completed in the movement process of the plate.
As a preferable aspect of the foregoing, step S3 specifically includes:
s31, decomposing the motion trail and the motion speed of the plate in static cutting into motion trail output in the X direction of the conveying direction of the plate and motion trail output in the Y direction perpendicular to the X direction by executing G codes in a CNC channel;
s32, reading motion trail data in the X direction in real time through an HLI interface, and correlating the data with NC virtual axes through an external given control function to obtain NC-X1 motion trail;
s33, conveying the plate at a constant speed by a conveying shaft, wherein the motion track of the plate in the direction X of the conveying shaft moves at the same speed as the plate from a set point by a flying saw function;
s34, obtaining actual motion track output in the X direction in the CNC channel through a multi-spindle coupling superposition function by the NC-X1 motion track and the NC-X2 motion track;
s35, performing G code decomposition in the CNC channel to obtain motion trail output in the Y direction, wherein the motion trail output is actual motion trail output in the Y direction in the CNC channel;
s36, outputting an actual motion track in the X direction and an actual motion track in the Y direction, and finishing a dynamic track of cutting processing.
Due to the structure, the invention has the beneficial effects that:
1. the invention can well solve the cutting problem of the plate material in the dynamic transportation process, and further can process the plate material part with the part length longer than the processing area length, and compared with the static cutting, the plate material part with the part length longer than the processing area length can be processed in a more mode;
2. the cutting processing is completed in the plate moving process, the coiled material can be dynamically and circularly cut, and the cutting processing efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below.
Fig. 1 is a control flow chart of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the present embodiment provides a method for controlling a cutting motion track in a sheet motion process, which is characterized in that: at a certain point in the motion track of the plate in the conveying direction, the motion speed of the laser cutting head in the conveying direction is the decomposition motion speed in the conveying direction when static cutting is performed, and the conveying speed of the plate in the conveying direction is superimposed.
The method specifically comprises the following steps:
s1, setting a cutting path and a cutting speed of a laser cutting head of a plate in a static state;
s2, starting a conveying shaft, setting the conveying speed of the conveying shaft, and enabling the plate to move forwards at the conveying speed according to a set track;
and S3, when the movement of the plate reaches the set conveying distance, the movement track of the laser cutting head in the conveying direction is controlled according to the movement track of the static cutting plate by superposing the movement track of the plate in the conveying direction, so that the cutting processing of the preset cutting track of the plate in the static state is completed in the plate movement process.
The step S3 specifically includes:
s31, decomposing the motion trail and the motion speed of the plate in static cutting into motion trail output in the X direction of the conveying direction of the plate and motion trail output in the Y direction perpendicular to the X direction by executing G codes in a CNC channel;
s32, reading motion trail data in the X direction in real time through an HLI interface, and correlating the data with NC virtual axes through an external given control function to obtain NC-X1 motion trail;
s33, enabling a motion track of the plate in the direction of the conveying direction X to move at the same speed as the plate at a set point by a fly Saw (Flying Saw refers to a main shaft which can be synchronized with a slave shaft to move and synchronously run with the main shaft to complete a processing period) function of the slave shaft NC-X2 (NC virtual shaft);
s34, obtaining actual motion track output in the X direction in the CNC channel through a multi-spindle coupling superposition function (MultiGearin) by the NC-X1 motion track and the NC-X2 motion track;
s35, performing G code decomposition in the CNC channel to obtain motion trail output in the Y direction, wherein the motion trail output is actual motion trail output in the Y direction in the CNC channel;
s36, outputting an actual motion track in the X direction and an actual motion track in the Y direction, and finishing a dynamic track of cutting processing.
It should be noted that: structurally, the conveying shaft drives the plate to move, the plate is above the conveying belt, and the laser cutting heads are distributed above the plate.
The invention can well solve the cutting problem of the plate material in the dynamic transportation process, and further can process the plate material part with the part length longer than the processing area length, and compared with the static cutting, the plate material part with the part length longer than the processing area length can be processed in a more mode; the cutting processing is completed in the plate moving process, the coiled material can be dynamically and circularly cut, and the cutting processing efficiency is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A control method of cutting motion trail in the plate motion process is characterized by comprising the following steps: at a certain point in the motion track of the plate in the conveying direction, the motion speed of the laser cutting head in the conveying direction is the decomposition motion speed of the laser cutting head in the conveying direction when the plate is cut statically, and the conveying speed of the plate in the conveying direction is superposed.
2. The method for controlling a cutting motion trajectory during a sheet motion according to claim 1, wherein: the control method specifically comprises the following steps:
s1, setting a cutting path and a cutting speed of a laser cutting head of a plate in a static state;
s2, starting a conveying shaft, setting the conveying speed of the conveying shaft, and enabling the plate to move forwards at the conveying speed according to a set track;
and S3, when the movement of the plate reaches the set conveying distance, the movement track of the laser cutting head is controlled according to the movement track of the static cutting plate and the movement track of the plate in the conveying direction, so that the cutting processing of the preset cutting track of the plate in the static state is completed in the movement process of the plate.
3. The method for controlling a cutting motion trajectory during a sheet motion according to claim 2, wherein: the step S3 specifically comprises the following steps:
s31, decomposing the motion trail and the motion speed of the plate in static cutting into motion trail output in the X direction of the conveying direction of the plate and motion trail output in the Y direction perpendicular to the X direction by executing G codes in a CNC channel;
s32, reading motion trail data in the X direction in real time through an HLI interface, and correlating the data with NC virtual axes through an external given control function to obtain NC-X1 motion trail;
s33, conveying the plate at a constant speed by a conveying shaft, wherein the motion track of the plate in the direction X of the conveying shaft moves at the same speed as the plate from a set point by a flying saw function;
s34, obtaining actual motion track output in the X direction in the CNC channel through a multi-spindle coupling superposition function by the NC-X1 motion track and the NC-X2 motion track;
s35, performing G code decomposition in the CNC channel to obtain motion trail output in the Y direction, wherein the motion trail output is actual motion trail output in the Y direction in the CNC channel;
s36, outputting an actual motion track in the X direction and an actual motion track in the Y direction, and finishing a dynamic track of cutting processing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311784354.5A CN117817142A (en) | 2023-12-23 | 2023-12-23 | Control method for cutting motion trail in plate motion process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311784354.5A CN117817142A (en) | 2023-12-23 | 2023-12-23 | Control method for cutting motion trail in plate motion process |
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Publication Number | Publication Date |
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CN117817142A true CN117817142A (en) | 2024-04-05 |
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CN202311784354.5A Pending CN117817142A (en) | 2023-12-23 | 2023-12-23 | Control method for cutting motion trail in plate motion process |
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CN (1) | CN117817142A (en) |
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2023
- 2023-12-23 CN CN202311784354.5A patent/CN117817142A/en active Pending
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