CN107610163A - A kind of punching localization method and device based on CCD scannings - Google Patents
A kind of punching localization method and device based on CCD scannings Download PDFInfo
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- CN107610163A CN107610163A CN201710667065.5A CN201710667065A CN107610163A CN 107610163 A CN107610163 A CN 107610163A CN 201710667065 A CN201710667065 A CN 201710667065A CN 107610163 A CN107610163 A CN 107610163A
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Abstract
The invention discloses a kind of punching localization method and device based on CCD scannings.Methods described includes：Randomly select a PCB to be punctured exemplarily, choose on the model at 2 points and be used as loci, succeed in school to align point coordinates and punch trail file；Next piece of PCB to be punctured loci is scanned, obtains the centre coordinate of the loci；Calculate the c of loci and the deviation of model loci centre coordinate；Root Ju deviation calculates the new coordinate of each scoring ring, and the scoring ring coordinate value in trail file is punched in amendment.The present invention need to only scan 2 points can be added on compensation so as to realize the high speed of punching and high accuracy by the position angle deviation for accurately calculating different plates of image.So as to ensure target-shooting machine it is automatic, run at high speed it is lower in the case of be accurately positioned.The present invention is widely used in technical field of automation in industry as a kind of punching localization method and device based on CCD scannings.
Description
Technical field
The present invention relates to technical field of automation in industry, more particularly to a kind of punching localization method based on CCD scannings and
Device.
Background technology
During the manufacturing of traditional PCB single sided boards, the stitch hole of the plug-in element of single sided board, mould is required for
Gone out by punch press, plate needs tuck hole to be accurately positioned in a mold；The precision of positioning hole will be controlled in 0.02mm；It is existing
Pcb board production firm complete this technique using manual practice shooting to realize.With the development of science and technology and China production
The raising of manufacture level, the framing technology fully automatic high-speed target-shooting machine based on CCD gradually replace artificial target-shooting machine.
What current full-automatic target-shooting machine was practiced shooting will will scan to each hole, and locating speed is too slow.In addition when pcb board
When the situation that green oil covers hole position occurs in printing process in hole position, with regard to None- identified, product is set to be changed into defective products, pcb board is beaten
The positioning in hole is not accurate enough.
The content of the invention
In order to solve the above-mentioned technical problem, it is fast it is an object of the invention to provide a kind of locating speed and be accurately based on CCD
The punching positioning image method and device of scanning.
The technical solution adopted in the present invention is：A kind of punching localization method based on CCD scannings, it includes following step
Suddenly：Step 1：Randomly select a PCB to be punctured exemplarily, choose on the model at 2 points and be used as loci, succeed in school contraposition
Point coordinates and punching trail file；Step 2：Next piece of PCB to be punctured loci is scanned, the center for obtaining the loci is sat
Mark；Step 3：Calculate the centre coordinate of loci and the deviation of model loci centre coordinate；Step 4 piece Ju deviation calculates
Go out the new coordinate of each scoring ring, the scoring ring coordinate value in trail file is punched in amendment.
Further, described 2 points as loci respectively positioned at two of PCB it is diagonal on.
Further, the step 2 specifically includes：The diagonal of PCB to be punctured is scanned by CCD, passes through the side of images match
Formula finds loci and calculates the centre coordinate of loci.
Further, step 3 specifically includes：According to the deviation of the centre coordinate of loci and model loci centre coordinate
Value, calculate the deviation, X-direction deviation and Y-direction deviation of the angle of pcb board and model to be punctured.
Further, the step 4 specifically includes：According to the deviation of pcb board to be punctured and the angle of model, X side
To deviation and Y-direction deviation, the new coordinate of the scoring ring on pcb board to be punctured is calculated, is corrected in target practice trail file
Scoring ring coordinate value.
Further, the formula of the new coordinate of the last scoring ring of pcb board to be punctured is：X1=cos (angle) * x-sin
(angle)*y；Y1=cos (angle) * y+sin (angle) * x；Wherein x, y expression thing body phase rotate angle for the point of rotation
Angle before coordinate, x1, y1 represent object rotation angle after relative to the point of rotation coordinate.
A kind of punching positioner based on CCD scannings, it includes：Control unit and three axle tool hands, the three axles tool hand
On be provided with CCD modules and drill bit, it is characterised in that described control unit includes：Study module, for learn align point coordinates
And punching trail file；Computing module, for calculating the centre coordinate of loci and the deviation of model loci centre coordinate；
Correcting module, the new coordinate for calculating for root Ju deviation each scoring ring, the scoring ring coordinate value in amendment punching trail file；
The CCD modules, for scanning loci.
Further, the computing module includes：Angle calculation mould described in angle calculation module and X, Y-direction computing module
Block, angle for calculating pcb board and model to be punctured deviation deviation；The X, Y-direction computing module,
For calculate the X of pcb board and model to be punctured, Y-direction deviation.
A kind of punching positioner based on CCD scannings, it includes：Control unit and three axle tool hands, the three axles tool hand
On be provided with CCD modules and drill bit, it is characterised in that described control unit includes：Memory, for depositing program；Processor,
For performing described program, the step of to realize the above method.
The beneficial effects of the invention are as follows：
1st, using the spot scan location technologies of CCD two, two scoring rings need to only be scanned, it is not necessary to scan each scoring ring, reduce
Sweep time, production capacity can reach 4000 holes/hour, be 2 times of manual target-shooting machine.
2nd, scoring ring coordinate can generate trail file preservation on pcb board in this project.Under it is secondary in use, need to only recall original
File.The precision of target practice can be improved for target practice deviation caused by mechanical structure by finely tuning scoring ring coordinate.
3rd, it sometimes appear that green oil, which covers scoring ring, causes CCD scannings less than formation defective products in circuit printing process.This
Invention only need to scan two scoring rings, greatly reduce defective products rate.
4th, by two-point locating technology, CCD only need to be moved, is not required to manually move pcb board.Upper and lower plates can be realized, practiced shooting
Flow is full-automatic.
5th, by applying the spot scan location technologies of CCD two, it enormously simplify mechanical structure.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the step flow chart of the punching positioning image method based on CCD scannings in the present invention
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
As shown in figure 1, a kind of punching localization method based on CCD scannings, it comprises the following steps：
Step 1：Randomly select a PCB to be punctured exemplarily, choose on the model at 2 points and be used as loci, learn
Point coordinates and punching trail file are aligned well；
Step 2：Next piece of PCB to be punctured loci is scanned, obtains the centre coordinate of the loci；
Step 3：Calculate the c of loci and the deviation of model loci centre coordinate；
Step 4 piece Ju deviation calculates the new coordinate of each scoring ring, and the scoring ring coordinate value in trail file is punched in amendment.
First take on diagonal align point template as standard on PCB models at 2 points, and learn other its that to be beaten on this block
The one punching trail file of Coordinate generation for the scoring ring that it is punched, this file editable and preservation are changed.Next piece of PCB to be punctured
Plate CCD need to only scan two dot center's coordinates on diagonal.According to 2 points of centre coordinate in this two dot center coordinate and template
Mathematic interpolation goes out the X of the pcb board and standard specimen plate, the position deviation of Y-direction and angular deviation.According to X, the position deviation of Y-direction
And the coordinate of drilling point in the trail file of calibration standard is removed in angular deviation, so as to generate the punching track of this block pcb board.Beat
Hole mechanical arm is directly punched according to newly-generated punching track, and the coordinate without scanning all drilling points by CCD again is gone
Punching, so can save the time, improve operational effectiveness.And there is green oil in printing process in the hole position for overcoming pcb board
When covering the situation of hole position, manual target-shooting machine is with regard to None- identified, the problem of making product be changed into defective products.
Operator can be preserved with the file of pcb board model name according to the model of product.Next time generates same model
During pcb board, the just automatic life of original punching track need to be only recalled, punches trajectory coordinates without repetitive learning, so operation letter
It is single convenient and swift.When check find drilling point centre coordinate there is deviation, can be by changing the punching in Grid Track file
The coordinate can of central point eliminates punching deviation, substantially increases the drilling precision of system.
In this embodiment, the diagonal of PCB to be punctured is scanned by CCD, loci is found by way of images match
And calculate the centre coordinate of loci.The image of template matches refer to by certain matching algorithm two width or multiple image it
Between identify same place, by the phase relation of the window of formed objects in comparison object area and the field of search in being matched such as two dimensional image
Number, takes the window center point in the field of search corresponding to coefficient correlation maximum as same place.Its essence is in primitive similitude
Under the conditions of, with the optimal search problem of matching criterior.The image of template matches can calculate picture centre coordinate.According to treating
Deviation, X-direction deviation and Y-direction deviation, calculate the new coordinate of the scoring ring on pcb board to be punctured, amendment is beaten
Scoring ring coordinate value in target trail file.
The calculation formula for wherein punching the angle of pcb board and model is angle=fabs (dMarkAngle)-fabs
(dStdAngle), dMarkAngle is the central point plane coordinates angle value of two angle steel joints of model, and dStdAngle is to treat
Two angle steel joint central point plane coordinates angle values of pcb board are punched, Angle is the angle of pcb board to be punctured and model
Deviation.
The formula of the new coordinate of the last scoring ring of pcb board to be punctured is：X1=cos (angle) * x-sin (angle) *
y；Y1=cos (angle) * y+sin (angle) * x；Wherein x, y expression thing body phase for the point of rotation rotate angle angle it
Preceding coordinate, x1, y1 represent object rotation angle after relative to the point of rotation coordinate.
A kind of punching positioner based on CCD scannings, it includes：Control unit and three axle tool hands, the three axles tool hand
On be provided with CCD modules and drill bit, it is characterised in that described control unit includes：Study module, for learn align point coordinates
And punching trail file；Computing module, for calculating the centre coordinate of loci and the deviation of model loci centre coordinate；
Correcting module, the new coordinate for calculating for root Ju deviation each scoring ring, the scoring ring coordinate value in amendment punching trail file；
The CCD modules, for scanning loci.
Further, the computing module includes：Angle calculation module described in angle calculation module and XY directions calculation modules,
Deviation for the deviation of the angle that calculates pcb board and model to be punctured；The XY directions calculation modules, it is used for
Calculate the deviation in the XY directions of pcb board and model to be punctured.
A kind of punching positioner based on CCD scannings, it includes：Control unit and three axle tool hands, the three axles tool hand
On be provided with CCD modules and drill bit, it is characterised in that described control unit includes：Memory, for depositing program；Processor,
For performing described program, the step of to realize the above method.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of punching localization method based on CCD scannings, it is characterised in that it comprises the following steps：
Step 1：Randomly select a PCB to be punctured exemplarily, choose on the model at 2 points and be used as loci, succeed in school pair
Site coordinate and punching trail file；
Step 2：Next piece of PCB to be punctured loci is scanned, obtains the centre coordinate of the loci；
Step 3：Calculate the centre coordinate of loci and the deviation of model loci centre coordinate；
Step 4 piece Ju deviation calculates the new coordinate of each scoring ring, and the scoring ring coordinate value in trail file is punched in amendment.
2. the punching according to claim 1 based on CCD scannings positions image method, it is characterised in that：The conduct pair
2 points of site respectively positioned at two of PCB it is diagonal on.
3. the punching according to claim 2 based on CCD scannings positions image method, it is characterised in that：The step 2 has
Body includes：
The diagonal of PCB to be punctured is scanned by CCD, loci is found by way of images match and is calculated in loci
Heart coordinate.
4. the punching according to claim 1 based on CCD scannings positions image method, it is characterised in that：Step 3 is specifically wrapped
Include：According to the deviation of the centre coordinate of loci and model loci centre coordinate, pcb board and model to be punctured are calculated
Deviation, X-direction deviation and the Y-direction deviation of angle.
5. the punching scanned based on CCD stated according to claim 4 positions image method, it is characterised in that：Described calculate is treated
The formula of deviation of the angle of punching pcb board and model is：Angle=fabs (dMarkAngle)-fabs
(dStdAngle), dMarkAngle is the central point plane coordinates angle value of two angle steel joints of model, and dStdAngle is to treat
Two angle steel joint central point plane coordinates angle values of pcb board are punched, Angle is the angle of pcb board to be punctured and model
Deviation.
6. the punching scanned based on CCD stated according to claim 5 positions image method, it is characterised in that：The PCB to be punctured
The formula of the new coordinate of the last scoring ring of plate is：
X1=cos (angle) * x-sin (angle) * y；
Y1=cos (angle) * y+sin (angle) * x；Wherein x, y represent the scoring ring coordinate of sample punching, and x1, y1 are expressed as treating
The scoring ring coordinate of pcb board punching is punched, angle is the deviation of the angle of pcb board to be punctured and model.
7. the punching according to claim 6 based on CCD scannings positions image method, it is characterised in that：The step 4 has
Body includes：According to the deviation of pcb board to be punctured and the angle of model, X-direction deviation and Y-direction deviation, meter
The new coordinate of the scoring ring on pcb board to be punctured is calculated, corrects the scoring ring coordinate value in target practice trail file.
8. a kind of punching positioner based on CCD scannings, it includes：Control unit and three axle tool hands, the three axles tool is on hand
It is provided with CCD modules and drill bit, it is characterised in that described control unit includes：
Study module, point coordinates and punching trail file are aligned for study；
Computing module, for calculating the centre coordinate of loci and the deviation of model loci centre coordinate；
Correcting module, the new coordinate for calculating for root Ju deviation each scoring ring, the scoring ring in amendment punching trail file are sat
Scale value；
The CCD modules, for scanning loci.
9. the punching according to claim 1 based on CCD scannings positions image device, it is characterised in that：The calculating mould
Block includes：Angle calculation module and X, Y-direction computing module
The angle calculation module, angle for calculating pcb board and model to be punctured deviation deviation；
The X, Y-direction computing module, the X for calculating pcb board and model to be punctured, the deviation of Y-direction.
10. a kind of punching positioner based on CCD scannings, it includes：Control unit and three axle tool hands, the three axles tool is on hand
It is provided with CCD modules and drill bit, it is characterised in that described control unit includes：
Memory, for depositing program；
Processor, for performing described program, the step of to realize any one of claim 1 to 6 methods described.
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Cited By (9)
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| CN108876850A (en) * | 2018-06-29 | 2018-11-23 | 闽江学院 | A kind of pcb board punching localization method |
| CN109500886A (en) * | 2018-11-16 | 2019-03-22 | 山东科技大学 | A kind of industrial design modelling cardboard perforating system for teaching |
| CN109596971A (en) * | 2018-11-28 | 2019-04-09 | 大族激光科技产业集团股份有限公司 | The alignment method of flying probe tester |
| CN109926724A (en) * | 2019-03-21 | 2019-06-25 | 大族激光科技产业集团股份有限公司 | Double CCD positioning marking methods, double CCD positioning marking system and storage medium |
| CN110538809A (en) * | 2019-08-09 | 2019-12-06 | 柏承科技(昆山)股份有限公司 | X-Ray collapsible drill target piling operation method |
| CN112440329A (en) * | 2020-11-04 | 2021-03-05 | 东莞王氏港建机械有限公司 | Multilayer board punching method and punching machine with double-sided circuit based on layer deviation detection |
| CN113522884A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method and device for automatically correcting cleaning track of pole |
| CN113618816A (en) * | 2020-05-08 | 2021-11-09 | 宝翔精密有限公司 | Automatic target position alignment method for X-ray target shooting machine circuit board and feeding device thereof |
| CN116859920A (en) * | 2023-07-03 | 2023-10-10 | 广州明珞装备股份有限公司 | Precision compensation method and device, electronic equipment and punching system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108876850A (en) * | 2018-06-29 | 2018-11-23 | 闽江学院 | A kind of pcb board punching localization method |
| CN109500886A (en) * | 2018-11-16 | 2019-03-22 | 山东科技大学 | A kind of industrial design modelling cardboard perforating system for teaching |
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| CN109926724A (en) * | 2019-03-21 | 2019-06-25 | 大族激光科技产业集团股份有限公司 | Double CCD positioning marking methods, double CCD positioning marking system and storage medium |
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| CN110538809A (en) * | 2019-08-09 | 2019-12-06 | 柏承科技(昆山)股份有限公司 | X-Ray collapsible drill target piling operation method |
| CN110538809B (en) * | 2019-08-09 | 2021-10-12 | 柏承科技(昆山)股份有限公司 | X-Ray collapsible drill target piling operation method |
| CN113618816A (en) * | 2020-05-08 | 2021-11-09 | 宝翔精密有限公司 | Automatic target position alignment method for X-ray target shooting machine circuit board and feeding device thereof |
| CN113618816B (en) * | 2020-05-08 | 2023-02-28 | 宝翔精密有限公司 | Automatic target position alignment method for X-ray target shooting machine circuit board and feeding device thereof |
| CN112440329A (en) * | 2020-11-04 | 2021-03-05 | 东莞王氏港建机械有限公司 | Multilayer board punching method and punching machine with double-sided circuit based on layer deviation detection |
| CN113522884A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method and device for automatically correcting cleaning track of pole |
| CN116859920A (en) * | 2023-07-03 | 2023-10-10 | 广州明珞装备股份有限公司 | Precision compensation method and device, electronic equipment and punching system |
| CN116859920B (en) * | 2023-07-03 | 2024-03-26 | 广州明珞装备股份有限公司 | Precision compensation method and device, electronic equipment and punching system |
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