CN106425120B - The bearing calibration of laser cutting and device, laser cutting system - Google Patents
The bearing calibration of laser cutting and device, laser cutting system Download PDFInfo
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- CN106425120B CN106425120B CN201611009858.XA CN201611009858A CN106425120B CN 106425120 B CN106425120 B CN 106425120B CN 201611009858 A CN201611009858 A CN 201611009858A CN 106425120 B CN106425120 B CN 106425120B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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Abstract
Bearing calibration and device and laser cutting system the present invention relates to a kind of laser cutting, including：The region of laser cutting is divided into the identical grid of area and generates standard coordinate grid；The standard coordinate grid is obtained into actual coordinate grid by cutting on level correction plate；The actual coordinate on vertex in the actual coordinate grid is measured, obtains the ideal coordinates of corresponding vertex in the standard coordinate grid, the impulse compensation number on the vertex is calculated according to the actual coordinate on the vertex and ideal coordinates；Calculate the location information each put in the figure for needing to cut；The impulse correction number each put is calculated according to the location information each put and the impulse compensation number on the vertex；Each point is corrected according to the impulse correction number, improves the precision of cutting.
Description
Technical field
The present invention relates to optical field, bearing calibration and device, laser cutting system more particularly to a kind of laser cutting
System.
Background technology
Linear motor diced system is that the laser beam of high-energy is guided to converted products by light refraction, reflexed, focusing
On cut.Due to the characteristic of optics microscope group and the error of mechanical movement, the focal plane of laser will appear spherical, pincushion and lose
Very.
Traditional bearing calibration is mainly by pure optics, the analysis of Mechatronic Systems principle, refracting characteristic, reflection such as light
Characteristic, focus characteristics, galvanometer deflection, the analysis of transmission system, analog-to-digital conversion equal error, so as to derive a set of there is theoretical foundation
Updating formula, the laser of diced system is corrected, so that figure is made correctly to cut on product.
But actually due to optical device, the presence of electromechanical device error itself, when cut coverage is larger, various errors
Amplification is grouped together, causes correction accuracy that cannot meet certain requirements for high precision, as phone housing and accessory are cut often
It is required that machining accuracy reaches 0.01~0.03mm.
Invention content
Based on this, it is necessary to which, for above-mentioned technical problem, the bearing calibration and device, laser for providing a kind of laser cutting are cut
System is cut, to improve the precision of cutting.
A kind of bearing calibration of laser cutting, the method includes：
The region of laser cutting is divided into the identical grid of area and generates standard coordinate grid；
The standard coordinate grid is obtained into actual coordinate grid by cutting on level correction plate；
The actual coordinate on vertex in the actual coordinate grid is measured, obtains corresponding vertex in the standard coordinate grid
Ideal coordinates calculate the impulse compensation number on the vertex according to the actual coordinate on the vertex and ideal coordinates；
Calculate the location information each put in the figure for needing to cut；
The pulse school each put is calculated according to the location information each put and the impulse compensation number on the vertex
Positive number；
Each point is corrected according to the impulse correction number.
The impulse compensation number on the vertex includes X-direction impulse compensation number and Y direction in one of the embodiments,
Impulse compensation number, the step of the impulse compensation number that the vertex is calculated according to the actual coordinate and ideal coordinates on the vertex
Including：
According to Vmnx=P* | | X1|-|X2| | X-direction impulse compensation number is calculated in * PPMMXS；
According to Vmny=P* | | Y1|-|Y2| | Y direction impulse compensation number is calculated in * PPMMYS；
Wherein P represents the positive and negative of polarity, and value is 1 or -1；X1Represent the ideal coordinates X values on vertex, X2Represent vertex cutting
X-axis coordinates measurements afterwards；PPMMXS represents the corresponding voltage value of every millimeter of X-axis；Y1Represent the ideal coordinates Y value on vertex, Y2Table
Show the Y-axis coordinates measurements after the cutting of vertex, PPMMYS represents the corresponding voltage value of every millimeter of Y-axis.
Described the step of calculating the location information each put in the figure for needing to cut, wraps in one of the embodiments,
It includes：
Grid according to where calculating the coordinate each put, and obtain the coordinate on 4 vertex of the grid；
It is described calculate it is described each put impulse correction number when using 4 vertex of grid where each point pulse
Compensate number.
It is described according to the location information each put and the impulse compensation number on the vertex in one of the embodiments,
The step of impulse correction number each put is calculated to include：
According to Pmnx=[h1*(l2*V3x+l1*V4x)+h2*(l2*V1x+l1*V2x)]/(h*l) calculating X-direction impulse correction
Number；
According to Pmny=[h1*(l2*V3y+l1*V4y)+h2*(l2*V1y+l1*V2y)]/(h*l) calculating Y direction impulse correction
Number, wherein l represent the grid width, and h represents the grid height, l1Represent one in each being put in the figure of the cutting
In a and described 4 vertex in coordinate grid the X-coordinate on upper left vertex difference, l2It represents sitting in 4 vertex
Mark in grid in the vertex of lower right and the figure of the cutting difference of the X-coordinate of one in each point, h1It is cut described in expression
In the figure cut each put in one and 4 vertex in coordinate grid the Y coordinate on upper left vertex difference, h2
Represent the Y of one in each being put in the figure of the vertex of lower right and the cutting in coordinate grid in 4 vertex
The difference of coordinate, V1x、V1yThe X-axis on upper left vertex, Y direction pulse in coordinate grid in 4 vertex are represented respectively
Compensate number, V2x、V2yRepresent that the X-axis on the vertex in upper right side, Y direction pulse are mended in coordinate grid in 4 vertex respectively
Repay number, V3x、V3yThe X-axis on the vertex of lower left, Y direction impulse compensation in coordinate grid are represented in 4 vertex respectively
Number, V4x、V4yThe X-axis on the vertex of lower right, Y direction impulse compensation in coordinate grid are represented in 4 vertex respectively
Number.
A kind of means for correcting of laser cutting, described device include：
Standard grid generation module generates standard coordinate net for the region of laser cutting to be divided into the identical grid of area
Lattice；
Actual grid generation module, for the standard coordinate grid to be obtained reality on level correction plate by cutting
Coordinate grid；
Impulse compensation number computing module, for measuring the actual coordinate on vertex in the actual coordinate grid, described in acquisition
The ideal coordinates of corresponding vertex in standard coordinate grid calculate the vertex according to the actual coordinate on the vertex and ideal coordinates
Impulse compensation number；
Impulse correction number computing module, for calculating the location information each put in the figure for needing to cut, according to described
The location information and the impulse compensation number on the vertex each put calculate the impulse correction number each put；
Correction module, for being corrected according to the impulse correction number to each point.
The impulse compensation number on the vertex includes X-direction impulse compensation number and Y direction in one of the embodiments,
Impulse compensation number, impulse compensation number computing module are additionally operable to according to Vmnx=P* | | X1|-|X2| | X-axis side is calculated in * PPMMXS
To impulse compensation number, according to Vmny=P* | | Y1|-|Y2| | Y direction impulse compensation number is calculated in * PPMMYS, and wherein P is represented
Polarity it is positive and negative, value be 1 or -1；X1Represent the ideal coordinates X values on vertex, X2Represent the X-axis measurement of coordinates after the cutting of vertex
Value；PPMMXS represents the corresponding voltage value of every millimeter of X-axis；Y1Represent the ideal coordinates Y value on vertex, Y2Represent the Y after the cutting of vertex
Axial coordinate measured value, PPMMYS represent the corresponding voltage value of every millimeter of Y-axis.
Impulse correction number computing module is additionally operable to be calculated according to the coordinate each put in one of the embodiments,
The grid at place, and the coordinate on 4 vertex of the grid is obtained,
It is described calculate it is described each put impulse correction number when using 4 vertex of grid where each point pulse
Compensate number.
The impulse correction number computing module is additionally operable to according to P in one of the embodiments,mnx=[h1*(l2*V3x+l1*
V4x)+h2*(l2*V1x+l1*V2x)]/(h*l) calculating X-direction impulse correction number, according to Pmny=[h1*(l2*V3y+l1*V4y)+
h2*(l2*V1y+l1*V2y)]/(h*l) calculate Y direction impulse correction number, wherein l represents the grid width, described in h is represented
Grid height, l1Represent in the figure of the cutting one in each putting in 4 vertex in coordinate grid upper left
The difference of the X-coordinate on the vertex of side, l2Represent in 4 vertex the vertex of lower right and the figure of the cutting in coordinate grid
The difference of the X-coordinate of one in each being put in shape, h1Represent that one in each being put in the figure of the cutting is pushed up with described 4
In point in coordinate grid the Y coordinate on upper left vertex difference, h2Represent in 4 vertex the lower right in coordinate grid
Vertex and the cutting figure in each put in the Y coordinate of one difference, V1x、V1yIt represents respectively in 4 vertex
The X-axis on upper left vertex, Y direction impulse compensation number, V in coordinate grid2x、V2yRepresent respectively in 4 vertex
The X-axis on the vertex in upper right side, Y direction impulse compensation number, V in coordinate grid3x、V3yIt represents sitting in 4 vertex respectively
Mark the X-axis on the vertex of lower left, Y direction impulse compensation number, V in grid4x、V4yIt represents respectively in 4 vertex in coordinate
The X-axis on the vertex of lower right, Y direction impulse compensation number in grid.
The bearing calibration of above-mentioned laser cutting and device are given birth to by the way that the region of laser cutting is divided into the identical grid of area
Into standard coordinate grid, standard coordinate grid on level correction plate is obtained into actual coordinate grid by cutting, is measured practical
The actual coordinate on vertex in coordinate grid obtains the ideal coordinates of corresponding vertex in standard coordinate grid, according to the reality on vertex
Coordinate and ideal coordinates calculate the impulse compensation number on the vertex, calculate the location information each put in the figure for needing to cut,
According to the impulse correction number that the location information of each point and the calculating of the impulse compensation number on the vertex are each put, according to impulse correction
It is several that each point is corrected, pass through standard coordinate grid and each vertex pair of actual coordinate grid computing during correction
The impulse compensation number answered calculates impulse correction number, not by optical device, electromechanical device error shadow itself by impulse compensation number
It rings, correction result is more accurate, to improve the precision of cutting.
A kind of laser cutting system, the laser cutting system include the laser cutting in any of the above-described embodiment
Means for correcting.
The laser cutting system is linear motor diced system in one of the embodiments,.
Above-mentioned laser cutting system is identical to the region of laser cutting is divided into area by the means for correcting of laser cutting
Grid generation standard coordinate grid, by standard coordinate grid by cutting actual coordinate grid is obtained on level correction plate,
The actual coordinate on vertex in actual coordinate grid is measured, the ideal coordinates of corresponding vertex in standard coordinate grid are obtained, according to top
The actual coordinate and ideal coordinates of point calculate the impulse compensation number on the vertex, calculate the position each put in the figure for needing to cut
Confidence ceases, and the impulse correction number each put is calculated according to the location information of each point and the impulse compensation number on the vertex, according to
Impulse correction number is corrected each point, each by standard coordinate grid and actual coordinate grid computing during correction
The impulse compensation number of a vertex correspondence calculates impulse correction number, not by optical device, electromechanical device sheet by impulse compensation number
Body error influences, and correction result is more accurate, to improve the precision of cutting.
Description of the drawings
Fig. 1 is the flow chart of bearing calibration being cut by laser in one embodiment；
Fig. 2 is the position view of grid where current point in one embodiment；
Fig. 3 is the structure diagram of means for correcting being cut by laser in one embodiment.
Specific embodiment
In one embodiment, as shown in the figure, providing a kind of bearing calibration of laser cutting, include the following steps：
The region of laser cutting is divided into the identical grid of area and generates standard coordinate grid by step S110.
Specifically, region (such as a 100mm*100mm square) to be cut is divided into 2kRow 2kThe grid coordinates of row
Grid (k is positive integer), the size of k can be selected according to correction accuracy, and k is bigger, and correction accuracy is higher.In preferred embodiment
In, the standard coordinate grid schematic diagram that generates when N 16,32 or 64 (i.e. k=4,5,6), Fig. 3 are N=16 in one embodiment.
Standard coordinate grid is obtained actual coordinate grid by step S120 by cutting on level correction plate.
Specifically, being cut with laser cutting system to be corrected standard coordinate grid reality is obtained on level correction plate
Coordinate grid.Laser cutting system can be linear motor diced system.
Step S130 measures the actual coordinate on vertex in actual coordinate grid, obtains corresponding vertex in standard coordinate grid
Ideal coordinates, the impulse compensation number on vertex is calculated according to the actual coordinate on vertex and ideal coordinates.
Specifically, measure the actual coordinate for being cut in vertex in the actual coordinate grid on level correction plate.At one
It is all over the coordinate for surveying all vertex in embodiment.And in actual production, the subregion of square area can only may be carried out
Label, so can also the subregional apex coordinate of measurement portion.In addition, since error often has certain regularity, also may be used
Only to measure the coordinate on part vertex, remaining apex coordinate is calculated according to regularity.It can manually carry out, can also adopt during measurement
It is carried out automatically with equipment, passes through measurement after cutting the image on level correction plate for example, by using a figure harvester acquisition
Device automatic measurement.
Impulse compensation number refers to correct error, and the galvanometer deflection angle in laser cutting system is compensated and is applied
The pulse voltage signal of control galvanometer deflection added.It can be calculated according to the alternate position spike between the actual coordinate and ideal coordinates on vertex
The impulse compensation number on vertex, different alternate position spikes have corresponded to different impulse compensation numbers, can shift to an earlier date storage location difference and be mended with pulse
The relationship between number is repaid, can be linear relationship or non-linear relation.Can each vertex pair be obtained by the form of formula or table
The impulse compensation number answered.In one embodiment, judge whether alternate position spike is more than predetermined threshold value, if it does, then by non-thread
Property algorithm or the form tabled look-up obtain the corresponding impulse compensation number of the alternate position spike, if be not above, pass through linear algorithm
Obtain the corresponding impulse compensation number of the alternate position spike.
In one embodiment, the impulse compensation number on vertex includes X-direction impulse compensation number and Y direction impulse compensation
Number includes according to the step of impulse compensation number that the actual coordinate on vertex and ideal coordinates calculate vertex：According to Vmnx=P* | | X1
|-|X2| | X-direction impulse compensation number is calculated in * PPMMXS, according to Vmny=P* | | Y1|-|Y2| | Y is calculated in * PPMMYS
Axis direction impulse compensation number, wherein P represent the positive and negative of polarity, and value is 1 or -1；X1Represent the ideal coordinates X values on vertex, X2Table
Show the X-axis coordinates measurements after the cutting of vertex；PPMMXS represents the corresponding voltage value of every millimeter of X-axis；Y1Represent the ideal on vertex
Coordinate Y value, Y2Represent the Y-axis coordinates measurements after the cutting of vertex, PPMMYS represents the corresponding voltage value of every millimeter of Y-axis.
The vertex ideal coordinates and corresponding impulse compensation number obtained in step S130 are required for storing.Preferred
In embodiment, it can be stored in a two-dimensional table, the C++ of the two-dimensional table is described as follows：
Vector can be directly accessed for linear list array in STL or the linear array voluntarily realized, linear array
It is efficient.
Step S140 calculates the location information for needing each to be put in the figure that cuts, according to the location information of each point and
The impulse correction number that the impulse compensation number calculating on vertex is each put.
Specifically, be the coordinate each put in the figure cut as needed calculate its be in standard coordinate grid which
In a grid, the coordinate on 4 vertex that each pair of point is answered is obtained.Impulse correction number refers to that needs are to laser cutting during laser cutting
The pulse voltage signal of control galvanometer deflection that galvanometer deflection angle in system is corrected and applies, is to cut as needed
Figure in the impulse compensation on the corresponding vertex of location information and location information each put figure out.When calculating, specifically
Calculation formula can be self-defined as needed, can according to current point in the current grid of standard coordinate grid each vertex of distance
Distance or distance to current 4 sides of grid calculate the impact factor of each vertex to current point, so as to according to impact factor into
Row weighting obtains the corresponding impulse correction number of current point.It, can also be big according to distance of the current point apart from each vertex when calculating
It is small or with current 4 sides of grid apart from size, screened to obtain and have influential influence vertex on current point, such as therefrom sieved
It selects 2 vertex or 2 sides and calculates impact factor, current point is calculated further according to the impulse compensation number of the vertex correspondence filtered out
Impulse correction number, specific calculation formula can be self-defined as needed.
Step S150 is corrected each point according to impulse correction number.
Specifically, after the completion of correction, laser cutting system is cut according to correction result, by correcting cutting knot
Fruit is more accurate.When system is cut, the data of a point are often generated, its impulse compensation amount is calculated according to above-mentioned steps or DA is compensated
Value, due to the flank speed of computer, above-mentioned calculation amount will not have an impact the cutting speed of system.
In the present embodiment, standard coordinate grid is generated by the way that the region of laser cutting is divided into the identical grid of area, it will
Standard coordinate grid obtains actual coordinate grid by cutting on level correction plate, measures the reality on vertex in actual coordinate grid
Border coordinate obtains the ideal coordinates of corresponding vertex in standard coordinate grid, is calculated according to the actual coordinate on vertex and ideal coordinates
The impulse compensation number on the vertex calculates the location information each put in the figure for needing to cut, and is believed according to the position of each point
The impulse correction number that breath and the calculating of the impulse compensation number on the vertex are each put, school is carried out according to impulse correction number to each point
Just, during correction by the impulse compensation number of standard coordinate grid and each vertex correspondence of actual coordinate grid computing,
Impulse correction number is calculated by impulse compensation number, is not influenced by optical device, electromechanical device error itself, correction result is more smart
Really, with the precision of raising cutting.
In one embodiment, the step of calculating the location information each put in the figure for needing to cut includes：According to every
The coordinate of a point calculates the grid at place, and obtains the coordinate on 4 vertex of grid.When calculating the impulse correction number each put
Using the impulse compensation number on 4 vertex of grid where each point.
Specifically, when calculating impulse correction number, 4 vertex of grid where considering current point so that result of calculation is more smart
Really.
In one embodiment, with reference to shown in Fig. 2, according to the location information each put and the pulse on vertex in step S140
The step of impulse correction number that compensation number calculating is each put includes：
According to Pmnx=[h1*(l2*V3x+l1*V4x)+h2*(l2*V1x+l1*V2x)]/(h*l) calculating X-direction impulse correction
Number.
According to Pmny=[h1*(l2*V3y+l1*V4y)+h2*(l2*V1y+l1*V2y)]/(h*l) calculating Y direction impulse correction
Number, wherein l represent the grid width, and h represents the grid height, l1Represent one in each being put in the figure of the cutting
In a and described 4 vertex in coordinate grid the X-coordinate on upper left vertex difference, l2It represents sitting in 4 vertex
Mark in grid in the vertex of lower right and the figure of the cutting difference of the X-coordinate of one in each point, h1It is cut described in expression
In the figure cut each put in one and 4 vertex in coordinate grid the Y coordinate on upper left vertex difference, h2
Represent the Y of one in each being put in the figure of the vertex of lower right and the cutting in coordinate grid in 4 vertex
The difference of coordinate, V1x、V1yThe X-axis on upper left vertex, Y direction pulse in coordinate grid in 4 vertex are represented respectively
Compensate number, V2x、V2yRepresent that the X-axis on the vertex in upper right side, Y direction pulse are mended in coordinate grid in 4 vertex respectively
Repay number, V3x、V3yThe X-axis on the vertex of lower left, Y direction impulse compensation in coordinate grid are represented in 4 vertex respectively
Number, V4x、V4yThe X-axis on the vertex of lower right, Y direction impulse compensation in coordinate grid are represented in 4 vertex respectively
Number.
In one embodiment, as shown in figure 3, providing a kind of means for correcting of laser cutting, including：
Standard grid generation module 210 is sat for the region of laser cutting to be divided into the identical grid generation standard of area
Mark grid.
Actual grid generation module 220, for standard coordinate grid to be obtained reality on level correction plate by cutting
Coordinate grid.
Impulse compensation number computing module 230 for measuring the actual coordinate on vertex in the actual coordinate grid, obtains institute
The ideal coordinates of corresponding vertex in standard coordinate grid are stated, the top is calculated according to the actual coordinate on the vertex and ideal coordinates
The impulse compensation number of point；
Impulse correction number computing module 240, for calculating the location information each put in the figure for needing to cut, according to every
The impulse correction number that the location information of a point and the impulse compensation number calculating on the vertex are each put.
Correction module 250, for being corrected according to impulse correction number to each point.
In one embodiment, the impulse compensation number on vertex includes X-direction impulse compensation number and Y direction impulse compensation
Number, impulse compensation number computing module are additionally operable to according to Vmnx=P* | | X1|-|X2| | X-direction pulse benefit is calculated in * PPMMXS
Number is repaid, according to Vmny=P* | | Y1|-|Y2| | Y direction impulse compensation number is calculated in * PPMMYS, and wherein P is representing polarity just
Negative, value is 1 or -1；X1Represent the ideal coordinates X values on vertex, X2Represent the X-axis coordinates measurements after the cutting of vertex, PPMMXS
Represent the corresponding voltage value of every millimeter of X-axis；Y1Represent the ideal coordinates Y value on vertex, Y2Represent that the Y-axis coordinate after the cutting of vertex is surveyed
Magnitude, PPMMYS represent the corresponding voltage value of every millimeter of Y-axis.
In one embodiment, impulse correction number computing module 230 is additionally operable to according to where calculating the coordinate each put
Grid, and obtain the coordinate on 4 vertex of grid, calculate it is described each put impulse correction number when using each point place side
The impulse compensation number on 4 vertex of lattice.
In one embodiment, impulse correction number computing module 230 is additionally operable to according to Pmnx=[h1*(l2*V3x+l1*V4x)+
h2*(l2*V1x+l1*V2x)]/(h*l) calculating X-direction impulse correction number, according to Pmny=[h1*(l2*V3y+l1*V4y)+h2*
(l2*V1y+l1*V2y)]/(h*l) calculating Y direction impulse correction number, the wherein l expressions grid width, the h expressions grid
Highly, l1Represent cutting figure in each put in one with 4 vertex in coordinate grid upper left vertex
X-coordinate difference, l2Represent each in the figure of the vertex of lower right and the cutting in coordinate grid in 4 vertex
The difference of the X-coordinate of one in point, h1Represent one in each being put in the figure of cutting in 4 vertex in coordinate grid
The difference of the Y coordinate on upper left vertex, h2In 4 vertex of expression in coordinate grid in the figure of the vertex of lower right and cutting
The difference of the Y coordinate of one in each point, V1x、V1yThe upper left vertex in coordinate grid is represented in 4 vertex respectively
X-axis, Y direction impulse compensation number, V2x、V2yThe vertex in upper right side in coordinate grid is represented in 4 vertex respectively
X-axis, Y direction impulse compensation number, V3x、V3yRespectively represent 4 vertex in coordinate grid the X-axis on the vertex of lower left, Y
Axis direction impulse compensation number, V4x、V4yThe X-axis on the vertex of lower right, Y-axis in coordinate grid are represented in 4 vertex respectively
Direction impulse compensation number.
In one embodiment, a kind of laser cutting system is provided, laser cutting system includes any of the above-described embodiment
The means for correcting of the laser cutting.
In one embodiment, laser cutting system is linear motor diced system.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of bearing calibration of laser cutting, the method includes：
The region of laser cutting is divided into the identical grid of area and generates standard coordinate grid；
The standard coordinate grid is obtained into actual coordinate grid by cutting on level correction plate；
The actual coordinate on vertex in the actual coordinate grid is measured, obtains the ideal of corresponding vertex in the standard coordinate grid
Coordinate calculates the impulse compensation number on the vertex according to the actual coordinate on the vertex and ideal coordinates；
Calculate the location information each put in the figure for needing to cut；
The impulse correction number each put is calculated according to the location information each put and the impulse compensation number on the vertex；
Each point is corrected according to the impulse correction number.
2. according to the method described in claim 1, it is characterized in that, the impulse compensation number on the vertex includes X-direction pulse
Number and Y direction impulse compensation number are compensated, it is described that the vertex is calculated according to the actual coordinate and ideal coordinates on the vertex
The step of impulse compensation number includes：
According to Vmnx=P* | | X1|-|X2| | X-direction impulse compensation number is calculated in * PPMMXS, wherein, VmnxFor X-direction arteries and veins
Punching compensation number；
According to Vmny=P* | | Y1|-|Y2| | Y direction impulse compensation number is calculated in * PPMMYS, wherein, VmnyFor Y direction arteries and veins
Punching compensation number；
Wherein P represents the positive and negative of polarity, and value is 1 or -1；X1Represent the ideal coordinates X values on vertex, X2After representing vertex cutting
X-axis coordinates measurements；PPMMXS represents the corresponding voltage value of every millimeter of X-axis；Y1Represent the ideal coordinates Y value on vertex, Y2Represent top
Y-axis coordinates measurements after point cutting, PPMMYS represent the corresponding voltage value of every millimeter of Y-axis.
3. according to the method described in claim 1, it is characterized in that, described calculate the position each put in the figure for needing to cut
The step of information, includes：
Grid according to where calculating the coordinate each put, and obtain the coordinate on 4 vertex of the grid；
It is described calculate it is described each put impulse correction number when using 4 vertex of grid where each point impulse compensation
Number.
It is 4. according to the method described in claim 3, it is characterized in that, described according to the location information each put and the top
The impulse compensation number of point calculates the step of impulse correction number each put and includes：
According to Pmnx=[h1*(l2*V3x+l1*V4x)+h2*(l2*V1x+l1*V2x)]/(h*l) calculating X-direction impulse correction number,
In, PmnxFor X-direction impulse correction number；
According to Pmny=[h1*(l2*V3y+l1*V4y)+h2*(l2*V1y+l1*V2y)]/(h*l) calculating Y direction impulse correction number,
In, PmnyFor Y direction impulse correction number, l represents the width of the grid, and h represents the height of the grid, l1Described in expression
In the figure of cutting each put in one and 4 vertex in coordinate grid the X-coordinate on upper left vertex difference,
l2Represent one 's in each being put in the figure of the vertex of lower right and the cutting in coordinate grid in 4 vertex
The difference of X-coordinate, h1Represent in the figure of the cutting one in each putting in 4 vertex in coordinate grid upper left
The difference of the Y coordinate on the vertex of side, h2Represent in 4 vertex the vertex of lower right and the figure of the cutting in coordinate grid
The difference of the Y coordinate of one in each being put in shape, V1x、V1yRepresent upper left in coordinate grid in 4 vertex respectively
The X-axis on vertex, Y direction impulse compensation number, V2x、V2yThe top in the upper right side in coordinate grid in 4 vertex is represented respectively
The X-axis of point, Y direction impulse compensation number, V3x、V3yThe vertex of the lower left in coordinate grid in 4 vertex is represented respectively
X-axis, Y direction impulse compensation number, V4x、V4yThe vertex of lower right in coordinate grid is represented in 4 vertex respectively
X-axis, Y direction impulse compensation number.
5. a kind of means for correcting of laser cutting, which is characterized in that described device includes：
Standard grid generation module generates standard coordinate grid for the region of laser cutting to be divided into the identical grid of area；
Actual grid generation module, for the standard coordinate grid to be obtained actual coordinate on level correction plate by cutting
Grid；
Impulse compensation number computing module for measuring the actual coordinate on vertex in the actual coordinate grid, obtains the standard
The ideal coordinates of corresponding vertex in coordinate grid calculate the arteries and veins on the vertex according to the actual coordinate on the vertex and ideal coordinates
Punching compensation number；
Impulse correction number computing module, for calculating the location information each put in the figure for needing to cut, according to described each
The location information of point and the impulse compensation number on the vertex calculate the impulse correction number each put；
Correction module, for being corrected according to the impulse correction number to each point.
6. device according to claim 5, which is characterized in that the impulse compensation number on the vertex includes X-direction pulse
Compensation number and Y direction impulse compensation number, impulse compensation number computing module are additionally operable to according to Vmnx=P* | | X1|-|X2||*
X-direction impulse compensation number is calculated in PPMMXS, according to Vmny=P* | | Y1|-|Y2| | Y direction arteries and veins is calculated in * PPMMYS
Punching compensation number, wherein, VmnxFor X-direction impulse compensation number, VmnyFor Y direction impulse compensation number, P represents the positive and negative of polarity,
Its value is 1 or -1；X1Represent the ideal coordinates X values on vertex, X2Represent the X-axis coordinates measurements after the cutting of vertex；PPMMXS is represented
The corresponding voltage value of every millimeter of X-axis；Y1Represent the ideal coordinates Y value on vertex, Y2Represent the Y-axis coordinates measurements after the cutting of vertex,
PPMMYS represents the corresponding voltage value of every millimeter of Y-axis.
7. device according to claim 5, which is characterized in that impulse correction number computing module is additionally operable to according to described each
The coordinate of point calculates the grid at place, and obtains the coordinate on 4 vertex of the grid, described to calculate the arteries and veins each put
Using the impulse compensation number on 4 vertex of grid where each point when rushing correction number.
8. device according to claim 7, which is characterized in that the impulse correction number computing module is additionally operable to according to Pmnx
=[h1*(l2*V3x+l1*V4x)+h2*(l2*V1x+l1*V2x)]/(h*l) calculating X-direction impulse correction number, according to
Pmny=[h1*(l2*V3y+l1*V4y)+h2*(l2*V1y+l1*V2y)]/(h*l) calculating Y direction impulse correction number, wherein,
PmnxFor X-direction impulse correction number, PmnyFor Y direction impulse correction number, l represents the width of the grid, and h represents the side
The height of lattice, l1Represent in the figure of the cutting one in each putting in 4 vertex in coordinate grid upper left
The difference of the X-coordinate on the vertex of side, l2Represent in 4 vertex the vertex of lower right and the figure of the cutting in coordinate grid
The difference of the X-coordinate of one in each being put in shape, h1Represent that one in each being put in the figure of the cutting is pushed up with described 4
In point in coordinate grid the Y coordinate on upper left vertex difference, h2Represent in 4 vertex the lower right in coordinate grid
Vertex and the cutting figure in each put in the Y coordinate of one difference, V1x、V1yIt represents respectively in 4 vertex
The X-axis on upper left vertex, Y direction impulse compensation number, V in coordinate grid2x、V2yRepresent respectively in 4 vertex
The X-axis on the vertex in upper right side, Y direction impulse compensation number, V in coordinate grid3x、V3yIt represents sitting in 4 vertex respectively
Mark the X-axis on the vertex of lower left, Y direction impulse compensation number, V in grid4x、V4yIt represents respectively in 4 vertex in coordinate
The X-axis on the vertex of lower right, Y direction impulse compensation number in grid.
9. a kind of laser cutting system, which is characterized in that the laser cutting system is included as any one in claim 5 to 8
The means for correcting of laser cutting described in.
10. system according to claim 9, which is characterized in that the laser cutting system is linear motor diced system.
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| CN111112833B (en) * | 2018-10-30 | 2021-08-20 | 大族激光科技产业集团股份有限公司 | Laser processing method, laser processing device, laser processing apparatus, and storage medium |
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Address after: 518057 401m-2, bike science and technology building, No. 9, scientific research road, Maling community, Yuehai street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Taide Laser Technology Co.,Ltd. Address before: 518100 floor 1 and 2, building B, Changyuan new material port, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TETE LASER TECHNOLOGY Co.,Ltd. |