CN107225882A - A kind of laser marking method based on CCD navigator fixs - Google Patents
A kind of laser marking method based on CCD navigator fixs Download PDFInfo
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- CN107225882A CN107225882A CN201710418332.5A CN201710418332A CN107225882A CN 107225882 A CN107225882 A CN 107225882A CN 201710418332 A CN201710418332 A CN 201710418332A CN 107225882 A CN107225882 A CN 107225882A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
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Abstract
The invention discloses a kind of laser marking method based on CCD navigator fixs, including：Step 1, CCD camera is corrected with article carrying platform so that the pixel coordinate of CCD camera and the coordinate system correlations of article carrying platform；Step 2, CCD camera is corrected with galvanometer so that the position of CCD camera is associated with the position of galvanometer；Step 3, the navigation of mark Sample location point and mark location point is carried out, the positioning mark hum pattern of mark sample is generated.It is corrected respectively with article carrying platform, galvanometer by CCD camera, realize that the pixel coordinate of CCD camera and the coordinate system correlations of article carrying platform, the position of galvanometer are associated, then the navigation of mark Sample location point and mark location point is carried out, generate the positioning mark hum pattern of mark sample, such positioning mark hum pattern is due to the positioning mark information CAD diagram of similar sample, the precise positioning mark under the positioning mark information state of sample CAD diagram is there are currently no in fact, improves the use scope of existing laser marking board.
Description
Technical field
The present invention relates to laser marking technical field, more particularly to a kind of laser marking side based on CCD navigator fixs
Method.
Background technology
Laser marking is one of maximum application field of Laser Processing, and laser marking is the laser using high-energy-density
Local irradiation is carried out to workpiece, skin-material is vaporized or occurs the chemical reaction of color change, so as to leave permanent marker
A kind of method.Laser marking can get various words, symbol and pattern etc., and the false proof and product of product has been reviewed
Special meaning.
With domestic industry 2020, external industry 4.0 and the fast development of Internet of Things, factory to product review and
Manage pay attention to day by day, buying, product process and technique, product batches, manufacturer, date of manufacture, the product whereabouts of such as raw material
Etc. information, these can be carved in product surface by laser marking and be addressed by generating Quick Response Code.While with
Becoming more meticulous for Product processing, higher requirement is proposed to the position precision of product mark.Therefore CCD positioning mark is obtained
Increasingly extensive application.General CCD positioning marks are needed on the basis of products C AD figures, but client is past in reality production
Toward the CAD diagram without product, such as pcb board industry, this can limit the application of laser marking significantly.
The content of the invention
It is an object of the invention to provide a kind of laser marking method based on CCD navigator fixs, CAD diagram is there are currently no in fact
On the premise of carry out mark operation, expanded the application of existing laser marking machine.
In order to solve the above technical problems, the embodiments of the invention provide a kind of laser marking side based on CCD navigator fixs
Method, including：
Step 1, CCD camera is corrected with article carrying platform so that the pixel coordinate of the CCD camera is carried with described
The coordinate system correlations of thing platform；
Step 2, the CCD camera and galvanometer are corrected so that the position of the CCD camera and the galvanometer
Position is associated；
Step 3, the navigation of mark Sample location point and mark location point is carried out, the positioning for generating the mark sample is beaten
Mark hum pattern.
Wherein, the step 1, including：
Uncalibrated image is placed in the CCD camera visual field；
Using the uncalibrated image as template, the uncalibrated image central point is caught；
The uncalibrated image is moved on into the lower right in the CCD camera visual field and center seizure is carried out to uncalibrated image；
According to default article carrying platform move distance, the mobile article carrying platform, and the demarcation thing progress center is caught
Catch；
The coordinate system of the pixel coordinate system and the article carrying platform of the CCD camera is changed, coordinate system is realized
One.
Wherein, the uncalibrated image is point mark image or square indicia image.
Wherein, the step 2, including：
Correction paper is placed on the article carrying platform；
The galvanometer mark scope central spot by laser it is described correction paper on make a call to a spider A point, so
Cross crunode B and right side are beaten in the left side of the point A by pre-determined distance by pre-determined distance beat spider C points afterwards；
The A points are moved in the CCD camera visual field, template is done to the A points；
The center of the A points, B points and C points is caught by the CCD camera respectively；
The camera position is associated with the galvanometer position.
Wherein, the navigation for carrying out mark Sample location point and mark location point, generates the positioning of the mark sample
Mark hum pattern, is the navigation that manual navigation carries out the mark Sample location point and the mark location point, is beaten described in generation
The positioning mark hum pattern of standard specimen product, or picture mosaic navigation picture carry out the mark Sample location point and the mark location point
Navigation, generates the positioning mark hum pattern of the mark sample.
Wherein, the manual navigation carries out the navigation of the mark Sample location point and the mark location point, generates institute
The positioning mark hum pattern of mark sample is stated, including：
Locating point position is determined, the mobile article carrying platform makes the CCD camera center and the mark Sample location point
M1 dot center overlap to click on and confirm, mobile platform makes in the M2 points of the CCD image centers and the mark Sample location point
The heart, which overlaps to click on, to be confirmed, mobile platform confirms the M3 center superpositions click of image center and the mark Sample location point；
Mark location is determined, the mobile article carrying platform makes the P1 points at the CCD camera center and the mark location point
Center superposition simultaneously clicks on confirmation, and the mobile article carrying platform makes in the P2 points of the CCD camera center and the mark location point
The heart overlaps and clicks on confirmation；
Generate the positioning mark hum pattern of the mark sample；
Carry out associating for the Sample location point and the article carrying platform coordinate.
Wherein, the M1 points, M2 points, M3 points are located at the summit for constituting isosceles right triangle.
Wherein, the picture mosaic navigation picture carries out the navigation of the mark Sample location point and the mark location point, generation
The positioning mark hum pattern of the mark sample, including：
Measure the CCD camera field range；
The mobile article carrying platform, makes the mark sample upper left corner be located in camera fields of view；
The mark sample size is set；
Set the article carrying platform after the CCD camera is taken pictures every time in X-direction and the displacement of Y-direction；
Click on the CCD camera take pictures generation picture and carry out picture mosaic；
Regioselective point and it is named in the picture mosaic, mark region is selected in the picture mosaic, and ordered
Name；
Generate the positioning mark hum pattern of the mark sample；
Carry out associating for the Sample location point and the article carrying platform coordinate.
Wherein, the overlapping widths of the adjacent picture are 1mm~2mm.
Wherein, it is equal in the displacement of X-direction or Y-direction after the CCD camera is taken pictures every time.
The laser marking method based on CCD navigator fixs that the embodiment of the present invention is provided, compared with prior art, tool
Have the advantage that：
Laser marking method provided in an embodiment of the present invention based on CCD navigator fixs, including：
Step 1, CCD camera is corrected with article carrying platform so that the pixel coordinate of the CCD camera is carried with described
The coordinate system correlations of thing platform；
Step 2, the CCD camera and galvanometer are corrected so that the position of the CCD camera and the galvanometer
Position is associated；
Step 3, the navigation of mark Sample location point and mark location point is carried out, the positioning for generating the mark sample is beaten
Mark hum pattern.
The laser marking method based on CCD navigator fixs, is carried out respectively by CCD camera with article carrying platform, galvanometer
Correction, realizes that the pixel coordinate of CCD camera and the coordinate system correlations of article carrying platform, the position of galvanometer are associated, is then beaten
The navigation of standard specimen product anchor point and mark location point, generates the positioning mark hum pattern of mark sample, such positioning mark letter
Figure is ceased due to the positioning mark information CAD diagram of similar sample, under the positioning mark information state that sample CAD diagram is there are currently no in fact
Precise positioning mark, improve the use scope of existing laser marking board, simultaneously because without carry out to it is existing swash
The hardware modification of light mark board, use cost is relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will to embodiment or
The accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of specific embodiment party of the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs
The step schematic flow sheet of formula；
Fig. 2 is the mark board machinery in the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs
Structural representation；
Fig. 3 is CCD camera and loading in the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs
The schematic diagram of stage correction；
Fig. 4 beats for a kind of acquisition positioning in the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs
Mark the navigation scheme of hum pattern；
Fig. 5 is another acquisition positioning in the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs
The navigation scheme of mark hum pattern.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Fig. 1~Fig. 5 is refer to, Fig. 1 is the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs
A kind of embodiment step schematic flow sheet；Fig. 2 is provided in an embodiment of the present invention based on CCD navigator fixs
Mark board mechanical structure schematic diagram in laser marking method；Fig. 3 is provided in an embodiment of the present invention fixed based on CCD navigation
The schematic diagram that CCD camera is corrected with article carrying platform in the laser marking method of position；Fig. 4 is based on to be provided in an embodiment of the present invention
A kind of navigation scheme for obtaining positioning mark hum pattern in the laser marking method of CCD navigator fixs；Fig. 5 is real for the present invention
Another navigation signal for obtaining positioning mark hum pattern in the laser marking method based on CCD navigator fixs of example offer is provided
Figure.
In a kind of embodiment, the laser marking method based on CCD navigator fixs, including：
Step 1, CCD camera is corrected with article carrying platform so that the pixel coordinate of the CCD camera is carried with described
The coordinate system correlations of thing platform；It is easy to the later stage to carry out location navigation.
Step 2, the CCD camera and galvanometer are corrected so that the position of the CCD camera and the galvanometer
Position is associated；
Step 3, the navigation of mark Sample location point and mark location point is carried out, the positioning for generating the mark sample is beaten
Hum pattern is marked, the determination of position and the equivalent of coordinate between three are realized by above-mentioned two kinds of corrections, and is passed through
Step 3, the navigation of mark Sample location point and mark location point is carried out, mark point is determined in galvanometer and CCD camera
Position, generates the positioning mark hum pattern of the mark sample, and this positioning mark hum pattern is similar to existing sample
Mark information CAD diagram is positioned, can realize that galvanometer is accurately positioned mark by the positioning mark hum pattern.
It is corrected respectively with article carrying platform, galvanometer by CCD camera, the pixel coordinate and loading for realizing CCD camera are put down
The coordinate system correlations of platform, the position of galvanometer are associated, and then carry out the navigation of mark Sample location point and mark location point, raw
The positioning mark hum pattern of standard specimen product in dozen, such positioning mark hum pattern is due to the positioning mark information CAD of similar sample
Figure, there are currently no the precise positioning mark under the positioning mark information state of sample CAD diagram, improves existing laser and beat in fact
Mark the use scope of board.Simultaneously as without carrying out to the hardware modification of existing laser marking board, use cost compared with
It is low.
Fig. 2 is mark board mechanical construction drawing used in the present invention, wherein 1 being X-axis, 2 being Y-axis, 3 be Z axis, 4 being Dali
Stone platform, 5 be article carrying platform, 6 be galvanometer head, 7 be camera.Mark sample is placed on article carrying platform during mark, Z
Axle is adjusted for laser spot, and camera is used to position, and galvanometer head is used for laser marking, and X-axis drives article carrying platform to carry out with Y-axis
Motion.
For the method for the coordinate system correlations between CCD camera and article carrying platform, in one embodiment, the step
1, including：
Uncalibrated image is placed in the CCD camera visual field；
Using the uncalibrated image as template, the uncalibrated image central point is caught；
The uncalibrated image is moved on into the lower right in the CCD camera visual field and center seizure is carried out to uncalibrated image；
According to default article carrying platform move distance, the mobile article carrying platform, and the demarcation thing progress center is caught
Catch；
The coordinate system of the pixel coordinate system and the article carrying platform of the CCD camera is changed, coordinate system is realized
One.
The correction principle of camera and article carrying platform is as follows：
So that the pixel of CCD camera is 5,000,000 pixels as an example, as shown in figure 3,5,000,000 camera resolutions are 2448*2048,
Represent that often capable pixel quantity is 2448, the line number of pixel is 2048.If the pixel coordinate of A points is A (XA,YA), the picture of B points
Plain coordinate is B (XB,YB), the pixel coordinate of C points is C (XC,YC).Board coordinate corresponding to A points is A (X'A,Y′A), B points
Corresponding board coordinate is B (X'B,Y′B), the board coordinate corresponding to C points is C (X'C,Y′C).By in two coordinate systems
The coordinate pair of three points should can obtain the one-to-one relationship of two coordinate systems, realize the unification of two coordinate systems.
The present invention is not specifically limited for uncalibrated image, it is therefore an objective in the picture and board of CCD camera, passed through
The actual distance difference in the two each system is determined, the conversion of coordinate is realized, the present invention is for its shape and quantity
It is not specifically limited, the general uncalibrated image is point mark image or square indicia image.
And for CCD camera and the method for galvanometer, the present invention is not construed as limiting, in one embodiment, the step 2, bag
Include：
Correction paper is placed on the article carrying platform；Because influence of the thickness to whole laser marking for correcting paper can be with
Ignore, intend the process of laser marking using correction paper matrix, realize associating for galvanometer and CCD camera position.If mark pair
As with certain thickness, height that can be automatically to galvanometer, CCD camera is corrected, and compensates the error that the gauge strips come.
The galvanometer mark scope central spot by laser it is described correction paper on make a call to a spider A point, so
Cross crunode B and right side are beaten in the left side of the point A by pre-determined distance by pre-determined distance beat spider C points afterwards；
The A points are moved in the CCD camera visual field, template is done to the A points；
The center of the A points, B points and C points is caught by the CCD camera respectively；
The camera position is associated with the galvanometer position.
In the present invention, the principle that CCD camera is corrected with galvanometer is in one embodiment, corresponding during galvanometer mark A points
Machine coordinates be A (XA,YA), cameras capture A dot center is that corresponding machine coordinates are A (X'A,Y'A), pass through this two
Coordinate can obtain the position relative relation (explanation between galvanometer and camera：A (X' hereinA,Y'A) in image center and A points
The coordinate when heart is overlapped).It can be drawn between galvanometer coordinate system and lathe coordinate system by catching B dot center and C dot center
Angle (ideally the angle between galvanometer coordinate system and lathe coordinate system is zero, but because Automatic manual transmission and machine add part
The reason for cause the angle between galvanometer coordinate system and lathe coordinate system to be not zero).
During practical laser mark, the navigation of mark Sample location point and mark location point refers to mark sample
Shown in CCD camera image, similar to the overall picture of map, it is then determined that anchor point and mark location point, that is, obtain
The hum pattern of mark, and according to the positioning mark information complexity of mark sample, in the present invention, the progress mark sample
The navigation of anchor point and mark location point, generates the positioning mark hum pattern of the mark sample, and generally manual navigation is entered
The navigation of the row mark Sample location point and the mark location point, generates the positioning mark information of the mark sample, or
Picture mosaic navigation picture carries out the navigation of the mark Sample location point and the mark location point, generates determining for the mark sample
Position mark information.
That is manual navigation is generally used for the relatively simple situation of drawn a design product, picture mosaic navigation application in drawn a design product compared with
For complicated situation.
For manual navigation, the less situation of the mark point of mark sample is generally used for, in one embodiment, such as Fig. 4
Shown, the manual navigation carries out the navigation of the mark Sample location point and the mark location point, generates the mark sample
The positioning mark hum pattern of product, including：
Locating point position is determined, the mobile article carrying platform makes the CCD camera center and the mark Sample location point
M1 dot center overlap to click on and confirm, mobile platform makes in the M2 points of the CCD image centers and the mark Sample location point
The heart, which overlaps to click on, to be confirmed, mobile platform confirms the M3 center superpositions click of image center and the mark Sample location point；
Mark location is determined, the mobile article carrying platform makes the P1 points at the CCD camera center and the mark anchor point
Center superposition simultaneously clicks on confirmation, and the mobile article carrying platform makes in the P2 points of the CCD camera center and the mark anchor point
The heart overlaps and clicks on confirmation；
Generate the positioning mark hum pattern of the mark sample；
Carry out associating for the Sample location point and the article carrying platform coordinate.
Confirmed by the center of CCD camera and the center superposition of M1 points, M2 points and M3 points, it is determined that mark sample is determined
Site, then by overlapping confirmation with mark location point P1, P2, then regeneration positioning mark hum pattern, utilizes the positioning mark
Hum pattern carries out mark operation.The confirmation of the anchor point of mark in the present invention, for determine subsequent sample placement location and
Direction, as benchmark, is inferred to need the coordinate of the location point of mark, realizes the positioning mark hum pattern of mark sample
Generation.
It is pointed out that do not limited for the method for selecting of M1 points, M2 points and M3 points in the present invention, as long as energy
Enough air exercise standard specimen product are positioned.
In one embodiment, the M1 points, M2 points, M3 points are located at the top for constituting isosceles right triangle
Point, i.e., using M2 points as the summit of right angled triangle, M1M2 and M2M3 are two right-angle sides.
As long as ensureing that the accurate mark of laser can be achieved in its product repeatability by same type product after above step,
As long as i.e. identical product carries out a manual navigation.
And navigated for picture mosaic, exactly realized using acquisition multiple image of repeatedly taking pictures, it is adaptable to which mark point is more to be beaten
Standard specimen product, if at this moment using the mode of manual navigation, can be extremely complex, mark efficiency positions the situation of mark information acquisition,
The picture mosaic navigation picture carries out the navigation of the mark Sample location point and the mark location point, generates the mark sample
Positioning mark hum pattern, including：
Measure the CCD camera field range；
The mobile article carrying platform, makes the mark sample upper left corner be located in camera fields of view；
The mark sample size is set；
Set the article carrying platform after the CCD camera is taken pictures every time in X-direction and the displacement of Y-direction；
Click on the CCD camera take pictures generation picture and carry out picture mosaic；
Regioselective point and it is named in the picture mosaic, mark region is selected in the picture mosaic, and ordered
Name；
Generate the positioning mark hum pattern of the mark sample；
Carry out associating for the Sample location point and the article carrying platform coordinate.
In a specific embodiment, picture mosaic navigation includes：
The first step：CCD camera field range is measured, CCD camera field range is that (same board is in phase by 25mm*20mm
Camera fields of view scope keeps constant in the case that the hardware such as machine, camera lens, adapter ring are constant)；
Second step：Movable object-carrying stage, makes the mark sample upper left corner be located in camera fields of view, as shown in P1 in Fig. 5；
3rd step：It is 110mm*50mm to set mark sample size in mark sample size, Fig. 5；
4th step：X-direction displacement is in X-direction and Y-direction displacement, Fig. 5 after setting platform is taken pictures every time
23mm, Y-direction displacement is 18mm；
5th step：Clicking on board in beginning picture mosaic, Fig. 5 will take pictures for 15 times, respectively P1~P15, Fig. 5 bends
Part is picture mosaic overlay region, reduces the area of picture mosaic overlay region during picture mosaic because trying one's best；
6th step：Mark points are selected in the picture mosaic generated, M1, M2, M3 is respectively designated as；
7th step：Mark region is selected in the picture mosaic generated, be respectively designated as P1, P2 ..., Pn；
8th step：It is to complete the navigation of mark Sample location point and mark location point by above step, that is, generates
The positioning mark hum pattern of sample, similar to the positioning mark CAD diagram of existing sample；
9th step：Sample location point is associated with platform coordinate, that is, sets anchor point picture-taking position.
In the present invention, in order to ensure during taking pictures, the area that omission is not had was not photographed, adjacent figure
Piece must carry out it is overlapping, it is this it is overlapping refer to surrounding it is all close to picture overlap.On the other hand, if overlay region
Domain is excessive, can cause waste, therefore in picture mosaic also can as far as possible reduce picture overlapping region area, simultaneously because laser
The mobile accuracy of marking machine is very high, and the overlapping widths of the general adjacent picture are 1mm~2mm.
It is pointed out that the present invention is not specifically limited for the overlapping widths of adjacent picture.
Due to mark location negligible amounts when, can be completed using manual navigation, and the quantity of mark location is a lot
When, efficiency can be improved using picture mosaic navigation, the picture used in picture mosaic navigation can be tens even hundreds of pictures, be
Reduce the setting of parameter, simplify the processing step of mark, improve mark efficiency, the CCD camera take pictures every time after in X side
To or Y-direction displacement it is equal, the equal shifting for referring to the single direction in X-direction or Y-direction of displacement here
Move apart from equal, because every time after CCD camera is taken pictures every time, general is moved in X-direction or Y-direction.
It is pointed out that can be taken pictures into every trade in the present invention, that is, complete after the taking pictures of a line, i.e., in X side
To being moved to after terminal, then the movement of a Y-direction is carried out, then carry out the X-direction movement of another row or carry out
Row, i.e., when taking pictures every time, limited carry out Y-direction is taken pictures, from one end of the Y-direction of sample to the other end, then progress X side
To movement, carry out another row and take pictures, the present invention is not specifically limited for the shooting style of CCD camera, to CCD camera
Imaging size and in the quantity of picture be not specifically limited.
As long as ensureing that the accurate mark of laser can be achieved in its product repeatability by same type product after above step,
As long as i.e. identical product carries out picture mosaic navigation.
The principle that picture mosaic is navigated in the present invention：By the correction of previous camera and platform, any pixel in camera fields of view
Coordinate points can associate corresponding platform coordinate.As shown in figure 5, platform coordinate when middle P1 takes pictures is (XP1,YP1), if
The origin (0,0) of pixel coordinate in this platform coordinate value correspondence P1, then the pixel coordinate in P1 is with platform coordinate (XP1,YP1)
On the basis of correspond to therewith.By that analogy, pixels of the P1 into P15 can be associated by platform coordinate.Therefore spell
By selecting mark points and mark location to generate the CAD diagram similar to Sample location mark information so as to realize essence after figure
Certainly position mark.
It is pointed out that the present invention is not specifically limited for CCD camera and limit of taking pictures, can be according to difference
Mark accuracy selection different accuracy CCD camera.
In summary, the laser marking method provided in an embodiment of the present invention based on CCD navigator fixs, passes through CCD camera
It is corrected respectively with article carrying platform, galvanometer, realizes the pixel coordinate of CCD camera and the coordinate system correlations of article carrying platform, galvanometer
Position be associated, then carry out the navigation of mark Sample location point and mark location point, generate the positioning mark of mark sample
Hum pattern, such positioning mark hum pattern is realized and not had due to the positioning mark information CAD diagram of similar existing sample
There is the precise positioning mark under the positioning mark information state of sample CAD diagram, improve the use of existing laser marking board
Scope, simultaneously because without carrying out the hardware modification to existing laser marking board, use cost is relatively low.
The laser marking method provided by the present invention based on CCD navigator fixs is described in detail above.Herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to
Help to understand method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and modified
Also fall into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of laser marking method based on CCD navigator fixs, it is characterised in that including：
Step 1, CCD camera is corrected with article carrying platform so that the pixel coordinate of the CCD camera and the article carrying platform
Coordinate system correlations；
Step 2, the CCD camera and galvanometer are corrected so that the position of the CCD camera and the position phase of the galvanometer
Association；
Step 3, the navigation of mark Sample location point and mark location point is carried out, the positioning mark information of the mark sample is generated
Figure.
2. the laser marking method as claimed in claim 1 based on CCD navigator fixs, it is characterised in that the step 1, including：
Uncalibrated image is placed in the CCD camera visual field；
Using the uncalibrated image as template, the uncalibrated image central point is caught；
The uncalibrated image is moved on into the lower right in the CCD camera visual field and center seizure is carried out to uncalibrated image；
According to default article carrying platform move distance, the mobile article carrying platform, and center seizure is carried out to the demarcation thing；
The coordinate system of the pixel coordinate system and the article carrying platform of the CCD camera is changed, realizes that coordinate system is unified.
3. the laser marking method based on CCD navigator fixs as claimed in claim 2, it is characterised in that the uncalibrated image is
Point mark image or square indicia image.
4. the laser marking method as claimed in claim 1 based on CCD navigator fixs, it is characterised in that the step 2, including：
Correction paper is placed on the article carrying platform；
The galvanometer mark scope central spot by laser it is described correction paper on make a call to a spider A point, Ran Hou
The left side of the point A beats cross crunode B and right side by pre-determined distance by pre-determined distance and beats spider C points；
The A points are moved in the CCD camera visual field, template is done to the A points；
The center of the A points, B points and C points is caught by the CCD camera respectively；
The camera position is associated with the galvanometer position.
5. the laser marking method as claimed in claim 1 based on CCD navigator fixs, it is characterised in that the carry out mark sample
The navigation of product anchor point and mark location point, generates the positioning mark hum pattern of the mark sample, is that manual navigation carries out institute
The navigation of mark Sample location point and the mark location point is stated, the positioning mark hum pattern of the mark sample is generated, or spell
Figure navigation picture carries out the navigation of the mark Sample location point and the mark location point, and the positioning for generating the mark sample is beaten
Mark hum pattern.
6. the laser marking method as claimed in claim 5 based on CCD navigator fixs, it is characterised in that the manual navigation is entered
The navigation of the row mark Sample location point and the mark location point, generates the positioning mark hum pattern of the mark sample,
Including：
Locating point position is determined, the mobile article carrying platform makes the M1 at the CCD camera center and the mark Sample location point
Dot center, which overlaps to click on, to be confirmed, mobile platform makes the CCD camera center and the M2 dot center weight of the mark Sample location point
Chalaza hits confirmation, and mobile platform makes the M3 center superpositions of image center and the mark Sample location point click on confirmation；
Mark location is determined, the mobile article carrying platform makes the P1 dot center at the CCD camera center and the mark location point
Overlap and click on confirmation, the mobile article carrying platform makes the CCD camera center and the P2 dot center weight of the mark location point
Merge to click on and confirm；
Generate the positioning mark hum pattern of the mark sample；
Carry out associating for the Sample location point and the article carrying platform coordinate.
7. the laser marking method as claimed in claim 6 based on CCD navigator fixs, it is characterised in that the M1 points, the M2
Point, M3 points are located at the summit for constituting isosceles right triangle.
8. the laser marking method as claimed in claim 5 based on CCD navigator fixs, it is characterised in that the picture mosaic navigation picture
The navigation of the mark Sample location point and the mark location point is carried out, the positioning mark information of the mark sample is generated
Figure, including：
Measure the CCD camera field range；
The mobile article carrying platform, makes the mark sample upper left corner be located in camera fields of view；
The mark sample size is set；
Set the article carrying platform after the CCD camera is taken pictures every time in X-direction and the displacement of Y-direction；
Click on the CCD camera take pictures generation picture and carry out picture mosaic；
Regioselective point and it is named in the picture mosaic, mark region is selected in the picture mosaic, and be named；
Generate the positioning mark hum pattern of the mark sample；
Carry out associating for the Sample location point and the article carrying platform coordinate.
9. the laser marking method as claimed in claim 7 based on CCD navigator fixs, it is characterised in that the adjacent picture
Overlapping widths are 1mm~2mm.
10. the laser marking method as claimed in claim 8 based on CCD navigator fixs, it is characterised in that the CCD camera is every
It is secondary take pictures after X-direction or Y-direction displacement it is equal.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107953681A (en) * | 2017-11-20 | 2018-04-24 | 苏州猎奇智能设备有限公司 | Vision guide marking machine and vision guide marking method |
| CN109732228A (en) * | 2018-12-12 | 2019-05-10 | 武汉帝尔激光科技股份有限公司 | A kind of laser galvanometer accuracy correcting method, apparatus and system |
| CN109974979A (en) * | 2019-02-27 | 2019-07-05 | 大族激光科技产业集团股份有限公司 | A kind of auto-correction method and system of laser equipment galvanometer label |
| CN110270770A (en) * | 2019-07-12 | 2019-09-24 | 深圳泰德激光科技有限公司 | Bearing calibration, laser cutting device and the storage medium of laser cutting device |
| CN110405350A (en) * | 2019-06-24 | 2019-11-05 | 湖北三江航天红峰控制有限公司 | A kind of customized laser marking method based on handwriting screen |
| CN110508930A (en) * | 2019-08-22 | 2019-11-29 | 湖北工业大学 | The localization method of PCB on-line marking |
| CN111185675A (en) * | 2018-11-15 | 2020-05-22 | 上海中国弹簧制造有限公司 | Laser marking method for spiral spring |
| CN111992911A (en) * | 2020-09-04 | 2020-11-27 | 武汉华工激光工程有限责任公司 | Visual positioning method based on paraxial visual structure galvanometer jigsaw processing |
| CN112108776A (en) * | 2020-09-17 | 2020-12-22 | 广东吉洋视觉技术有限公司 | High-precision laser marking method for LED lamp bead defective product marking |
| CN112172338A (en) * | 2020-09-24 | 2021-01-05 | 山西潞安太阳能科技有限责任公司 | Automatic positioning system for silk-screen printing Mark points |
| CN115415677A (en) * | 2022-11-02 | 2022-12-02 | 苏州科韵激光科技有限公司 | Laser marking method, laser marking apparatus, laser marking control system, and computer-readable storage medium |
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| CN107953681A (en) * | 2017-11-20 | 2018-04-24 | 苏州猎奇智能设备有限公司 | Vision guide marking machine and vision guide marking method |
| CN111185675A (en) * | 2018-11-15 | 2020-05-22 | 上海中国弹簧制造有限公司 | Laser marking method for spiral spring |
| CN111185675B (en) * | 2018-11-15 | 2022-01-04 | 上海中国弹簧制造有限公司 | Laser marking method for spiral spring |
| CN109732228A (en) * | 2018-12-12 | 2019-05-10 | 武汉帝尔激光科技股份有限公司 | A kind of laser galvanometer accuracy correcting method, apparatus and system |
| CN109974979A (en) * | 2019-02-27 | 2019-07-05 | 大族激光科技产业集团股份有限公司 | A kind of auto-correction method and system of laser equipment galvanometer label |
| CN110405350A (en) * | 2019-06-24 | 2019-11-05 | 湖北三江航天红峰控制有限公司 | A kind of customized laser marking method based on handwriting screen |
| CN110270770A (en) * | 2019-07-12 | 2019-09-24 | 深圳泰德激光科技有限公司 | Bearing calibration, laser cutting device and the storage medium of laser cutting device |
| CN110270770B (en) * | 2019-07-12 | 2021-06-15 | 深圳泰德激光科技有限公司 | Calibration method of laser cutting device, and storage medium |
| CN110508930A (en) * | 2019-08-22 | 2019-11-29 | 湖北工业大学 | The localization method of PCB on-line marking |
| CN111992911A (en) * | 2020-09-04 | 2020-11-27 | 武汉华工激光工程有限责任公司 | Visual positioning method based on paraxial visual structure galvanometer jigsaw processing |
| CN112108776A (en) * | 2020-09-17 | 2020-12-22 | 广东吉洋视觉技术有限公司 | High-precision laser marking method for LED lamp bead defective product marking |
| CN112172338A (en) * | 2020-09-24 | 2021-01-05 | 山西潞安太阳能科技有限责任公司 | Automatic positioning system for silk-screen printing Mark points |
| CN112172338B (en) * | 2020-09-24 | 2022-03-15 | 山西潞安太阳能科技有限责任公司 | Automatic positioning system for silk-screen printing Mark points |
| CN115415677A (en) * | 2022-11-02 | 2022-12-02 | 苏州科韵激光科技有限公司 | Laser marking method, laser marking apparatus, laser marking control system, and computer-readable storage medium |
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