CN108601220A - A kind of hole-punching method of printed circuit board - Google Patents
A kind of hole-punching method of printed circuit board Download PDFInfo
- Publication number
- CN108601220A CN108601220A CN201711463096.5A CN201711463096A CN108601220A CN 108601220 A CN108601220 A CN 108601220A CN 201711463096 A CN201711463096 A CN 201711463096A CN 108601220 A CN108601220 A CN 108601220A
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- China
- Prior art keywords
- circuit board
- printed circuit
- punching
- hole
- industrial personal
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/005—Punching of holes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of hole-punching methods of printed circuit board, it is operated using automatic PC board punching industrial personal computer, the industrial personal computer includes CCD camera, binarization circuit, CPLD logic module, PC104 industrial personal computers, X-direction driving circuit, Y-direction driving circuit, mechanical platform, wherein, CCD camera is for obtaining positioning holes on circuit board image information, it is handled through binarization circuit and is converted into serial digital signal, it is sent into CPLD, serial signal is converted into 81 group of parallel signal, in deposit caching, it is sent to direct memory access mode in the RAM of PC104 industrial personal computers.The invention effectively improves the punching effect of printed circuit board, easy to use, efficient, and precision is high, has saved processing cost, good in economic efficiency.
Description
Technical field
The present invention relates to a kind of hole-punching methods of printed circuit board, belong to printed-board technology field.
Background technology
During the manufacturing of printed circuit board, punching mainly manually range estimation positioning.This positioning operation mode
The disadvantage is that labor intensity is big, less efficient, of poor quality, poor repeatability.With the raising of printed circuit board processing request, it is desirable that energy
Circular arc, the images such as profiled holes are identified, but with the automatic PC board punching machine of microcontroller device core in order to control, in controller
Deposit that small, the speed of service is slow, it is difficult to meet its requirement.Industrial personal computer has that the speed of service is fast, RAM capacity is big, can compared with microcontroller
Configure several operation systems, convenient for the advantages such as multi-task scheduling and operation, for image data storage, handle provide it is good
Running environment.
Invention content
The purpose of the present invention is to provide a kind of hole-punching methods of printed circuit board, preferably to improve printed circuit board
Punching effect, be punched out convenient for preferably gathered data, using effect is good.
To achieve the goals above, technical scheme is as follows.
A kind of hole-punching method of printed circuit board, is operated using automatic PC board punching industrial personal computer, the industry control
Machine includes CCD camera, binarization circuit, CPLD logic module, PC104 industrial personal computers, X-direction driving circuit, Y-direction driving electricity
Road, mechanical platform, wherein CCD camera is handled through binarization circuit and is converted into for obtaining positioning holes on circuit board image information
Serial digital signal is sent into CPLD, serial signal is converted into 81 group of parallel signal, during deposit caches, directly to store
Device access mode is sent in the RAM of PC104 industrial personal computers；PC104 is obtained after reading complete image data and handling image
The coordinate signal is sent to X-direction, Y-direction driving circuit by the coordinate signal of printed circuit board location hole by serial port, control
X-direction, the Y-direction of mechanical platform are run to printed circuit board position of positioning hole, and control Pneumatic component is to location hole punching.
Further, the data buffer storage of CPLD logic module uses dual ports RAM technique, and core is memory array,
Its read and write operation is mutual indepedent, there is respective clock line, address bus, data/address bus and Enable Pin.In transmission data,
Data enter memory and are cached, and are accessed for PC104 industrial personal computers, i.e., data deposit PC104 industrial personal computers are read from caching
Memory.
Further, it after the centre coordinate and mechanical zero coordinate for obtaining printed circuit board location hole, seeks respectively
For the two in X, the difference of Y-direction, which is the distance that mechanical platform need to be moved in X, Y-direction.Detailed process is：Pass through calculation
The pulse train that method is calculated is converted into the count value deposit memory needed for timing microprocessor device, needs plus/minus speed control
When processed, it is taken out count value successively and is sent into time constant register, interruption is generated by timing, is exported every cycle time
1 pulse, that is, generate the pulse train of setting, to realize raising speed and the reduction of speed driving of servomotor.
Further, it before the sharp point for identifying lock onto target, is filtered.By certain after filtered
Algorithm acquires the central coordinate of circle and radius of label print positioning holes on circuit board, while calculating and determining relative to bit central coordinate
Position hole central coordinate of circle.
Further, printed circuit board punching achievees the purpose that, to its punching, X, Y-direction pass through servo electricity by three-dimensional motion
The two-dimentional planker of motivation driving, Z-direction are driven by cylinder.The person of being operated first will need the circuit board of punching to be placed on above Y-direction planker,
The lower section of video camera, by gray-scale map binaryzation, is positioned by obtaining the gray-scale map of location hole to the camera shooting of printed circuit board
The center of circle in hole.Then printed circuit board is pressed on Y-direction planker by presser feet, and driver drives servomotor, servomotor
Driving planker makes positioning centre go at punch central coordinate of circle, depresses floor push, after controller receives switching signal, cylinder
Action drives punch moves upwards punching, completes 1 puncture motion.
Invention has the beneficial effects that：The invention effectively improves the punching effect of printed circuit board, easy to use,
Efficient, precision is high, has saved processing cost, good in economic efficiency.
Specific implementation mode
The specific implementation mode of the present invention is described with reference to embodiment, to be better understood from the present invention.
Embodiment
The hole-punching method of printed circuit board in the present invention is operated using automatic PC board punching industrial personal computer,
The industrial personal computer includes CCD camera, binarization circuit, CPLD logic module, PC104 industrial personal computers, X-direction driving circuit, Y-direction
Driving circuit, mechanical platform, wherein CCD camera is handled for obtaining positioning holes on circuit board image information through binarization circuit
It is converted into serial digital signal, is sent into CPLD, serial signal is converted into 81 group of parallel signal, during deposit caches, with straight
Memory access mode is connect to be sent in the RAM of PC104 industrial personal computers；PC104 is reading complete image data and is handling image
Afterwards, which is sent to X-direction by the coordinate signal for obtaining printed circuit board location hole by serial port, Y-direction drives electricity
Road, X-direction, the Y-direction of control machinery platform are run to printed circuit board position of positioning hole, and control Pneumatic component rushes location hole
Hole.
The data buffer storage of CPLD logic module uses dual ports RAM technique, and core is memory array, its read and write
Operation is mutual indepedent, there is respective clock line, address bus, data/address bus and Enable Pin.In transmission data, data, which enter, deposits
Reservoir is cached, and is accessed for PC104 industrial personal computers, i.e., the memory of data deposit PC104 industrial personal computers is read from caching.It is obtaining
After the centre coordinate and mechanical zero coordinate of printed circuit board location hole, both seek respectively in X, the difference of Y-direction, the difference
Value is the distance that mechanical platform need to be moved in X, Y-direction.Detailed process is：The pulse train being calculated by algorithm turns
It changes into the count value deposit memory needed for timing microprocessor device, when plus/minus speed being needed to control, is taken out count value successively
It is sent into time constant register, interruption is generated by timing, export 1 pulse every cycle time, that is, generate the arteries and veins of setting
Sequence is rushed, to realize raising speed and the reduction of speed driving of servomotor.
Before the sharp point for identifying lock onto target, it is filtered.It is acquired by certain algorithm after filtered
The central coordinate of circle and radius of label print positioning holes on circuit board, while calculating the location hole center of circle relative to bit central coordinate
Coordinate.
Printed circuit board punching achievees the purpose that, to its punching, X, Y-direction are driven by servomotor by three-dimensional motion
Two-dimentional planker, Z-direction are driven by cylinder.The person of being operated first will need the circuit board of punching to be placed on above Y-direction planker, video camera
Lower section, by gray-scale map binaryzation, obtains the circle of location hole by obtaining the gray-scale map of location hole to the camera shooting of printed circuit board
The heart.Then printed circuit board is pressed on Y-direction planker by presser feet, and driver drives servomotor, servomotor driving to drag
Plate makes positioning centre go at punch central coordinate of circle, depresses floor push, and after controller receives switching signal, cylinder drives
Dynamic punch moves upwards punching, completes 1 puncture motion.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (5)
1. a kind of hole-punching method of printed circuit board, it is characterised in that：It is grasped using automatic PC board punching industrial personal computer
Make, which includes CCD camera, binarization circuit, CPLD logic module, PC104 industrial personal computers, X-direction driving circuit, Y
Direction driving circuit, mechanical platform, wherein CCD camera is for obtaining positioning holes on circuit board image information, through binarization circuit
Processing is converted into serial digital signal, is sent into CPLD, and serial signal is converted into 81 group of parallel signal, during deposit caches,
It is sent to direct memory access mode in the RAM of PC104 industrial personal computers；PC104 is reading complete image data and is handling
After image, the coordinate signal of printed circuit board location hole is obtained, which is sent to by X-direction by serial port, Y-direction is driven
Dynamic circuit, X-direction, the Y-direction of control machinery platform are run to printed circuit board position of positioning hole, and control Pneumatic component is to positioning
Hole punching.
2. the hole-punching method of printed circuit board according to claim 1, it is characterised in that：The number of the CPLD logic module
Dual ports RAM technique is used according to caching, core is memory array, its read and write operation is mutual indepedent, when having respective
Clock line, address bus, data/address bus and Enable Pin；In transmission data, data enter memory and are cached, for PC104 works
Control machine accesses, i.e., the memory of data deposit PC104 industrial personal computers is read from caching.
3. the hole-punching method of printed circuit board according to claim 1, it is characterised in that：It is described to obtain printed circuit
After the centre coordinate and mechanical zero coordinate of plate location hole, the two is sought respectively in X, the difference of Y-direction, which is machinery
The distance that platform need to be moved in X, Y-direction；Detailed process is：The pulse train being calculated by algorithm, is converted into microprocessor
In count value deposit memory needed for device timer, when plus/minus speed being needed to control, it is normal that it is taken out the count value feeding time successively
In number register, interruption is generated by timing, 1 pulse is exported every cycle time, that is, generates the pulse train of setting, to
Realize raising speed and the reduction of speed driving of servomotor.
4. the hole-punching method of printed circuit board according to claim 1, it is characterised in that：The figure of the identification lock onto target
As before boundary point, being filtered；The circle of label print positioning holes on circuit board is acquired after filtered by certain algorithm
Heart coordinate and radius, while calculating the location hole central coordinate of circle relative to bit central coordinate.
5. the hole-punching method of printed circuit board according to claim 1, it is characterised in that：The printed circuit board punching is logical
It crosses three-dimensional motion and achievees the purpose that, to its punching, X, Y-direction drive two-dimentional planker, Z-direction to be driven by cylinder by servomotor；
The person of being operated first will need the circuit board of punching to be placed on above Y-direction planker, the lower section of video camera, by being taken the photograph to printed circuit board
As obtaining the gray-scale map of location hole, by gray-scale map binaryzation, the center of circle of location hole is obtained；Then presser feet compresses printed circuit board
On Y-direction planker, driver drives servomotor, servomotor driving planker that positioning centre is made to go to punch central coordinate of circle
Place depresses floor push, and after controller receives switching signal, cylinder driving punch moves upwards punching, completes 1 punching
Hole acts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463096.5A CN108601220B (en) | 2017-12-28 | 2017-12-28 | Punching method of printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463096.5A CN108601220B (en) | 2017-12-28 | 2017-12-28 | Punching method of printed circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108601220A true CN108601220A (en) | 2018-09-28 |
| CN108601220B CN108601220B (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463096.5A Active CN108601220B (en) | 2017-12-28 | 2017-12-28 | Punching method of printed circuit board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112114531A (en) * | 2020-08-10 | 2020-12-22 | 广州明珞装备股份有限公司 | Method, system, device and storage medium for rapid deployment of cylinder logic blocks |
| CN113808067A (en) * | 2020-06-11 | 2021-12-17 | 广东美的白色家电技术创新中心有限公司 | Circuit board detection method, visual detection equipment and device with storage function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07276192A (en) * | 1994-04-07 | 1995-10-24 | U H T Kk | Hole check method for printed substrate |
| CN106041180A (en) * | 2016-05-27 | 2016-10-26 | 常州星宇车灯股份有限公司 | Motor vehicle lamp LED light source positioning method based on machine vision |
| CN107322679A (en) * | 2017-08-08 | 2017-11-07 | 苏州维信电子有限公司 | Flexible PCB perforating press and punching technology |
-
2017
- 2017-12-28 CN CN201711463096.5A patent/CN108601220B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07276192A (en) * | 1994-04-07 | 1995-10-24 | U H T Kk | Hole check method for printed substrate |
| CN106041180A (en) * | 2016-05-27 | 2016-10-26 | 常州星宇车灯股份有限公司 | Motor vehicle lamp LED light source positioning method based on machine vision |
| CN107322679A (en) * | 2017-08-08 | 2017-11-07 | 苏州维信电子有限公司 | Flexible PCB perforating press and punching technology |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808067A (en) * | 2020-06-11 | 2021-12-17 | 广东美的白色家电技术创新中心有限公司 | Circuit board detection method, visual detection equipment and device with storage function |
| CN112114531A (en) * | 2020-08-10 | 2020-12-22 | 广州明珞装备股份有限公司 | Method, system, device and storage medium for rapid deployment of cylinder logic blocks |
| CN112114531B (en) * | 2020-08-10 | 2024-05-14 | 广州明珞装备股份有限公司 | Method, system, device and storage medium for rapidly deploying cylinder logic blocks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108601220B (en) | 2021-01-08 |
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