CN204965137U - A processing depth control system and surperficial curvature measuring equipment for PCB processing machine - Google Patents
A processing depth control system and surperficial curvature measuring equipment for PCB processing machine Download PDFInfo
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- CN204965137U CN204965137U CN201520703546.3U CN201520703546U CN204965137U CN 204965137 U CN204965137 U CN 204965137U CN 201520703546 U CN201520703546 U CN 201520703546U CN 204965137 U CN204965137 U CN 204965137U
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- 238000012545 processing Methods 0.000 title claims abstract description 49
- 238000004458 analytical method Methods 0.000 claims abstract description 18
- 238000012935 Averaging Methods 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
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- 239000000523 sample Substances 0.000 description 4
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- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 102000016751 Fringe-like Human genes 0.000 description 1
- 108050006300 Fringe-like Proteins 0.000 description 1
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Abstract
The utility model provides a processing depth control system and surperficial curvature measuring equipment for PCB processing machine. This surface curvature measuring equipment can throw the at least a structured light that has the structure pattern to a PCB board surface to the structure pattern that captures this structured light throws the image that constitutes in this PCB board surface, and can be according to the deformation of the standard pattern information assay structured light image of this structured light, and corresponds and produce a surperficial curvature information about the surperficial curvature distribution of this PCB board. Through this surface curvature measuring equipment accessible analysis structured light image, gain the design of the curvature information of PCB board work surface, help obtaining fast the accurate curvature distribution information on whole PCB board surface, can improve the processing precision and the quality of PCB board by a wide margin.
Description
Technical field
The utility model relates to a kind of system of processing and curvature measuring equipment, particularly relates to a kind of working depth control system for PCB processing machine and surface curvature measuring equipment.
Background technology
In order to improve pcb board crudy, except the precision machining improving process equipment is outside one's consideration, also to consider the impact of pcb board itself, so dealer can after pcb board arranges location, by probe, height-measuring is carried out to pcb board work surface, when probe drops to contact pcb board surface, record probe height reads value, processing machine highly can read value according to this, the cutter of process equipment is long, and estimate the degree of depth of the blind hole of processing, the depth-set that modification and processing equipment belt cutter declines, that is, before pcb board processing, can with the height at each position, probe pointwise detection pcb board surface, again working depth is revised.But the blind of this kind of pointwise detection drags for the measurement that surface measuring mode is point, gauge point density is higher, degree of accuracy is higher, but the time spent is relatively longer, so except quite time-consuming, the measurement accuracy in many regions all can be left in the basket, and accurately cannot present the Curvature change of whole pcb board work surface, so can cause the error on processing procedure.
Summary of the invention
The purpose of this utility model is to provide a kind of working depth control system for PCB processing machine.
Another object of the present utility model is to provide a kind of surface curvature measuring equipment for PCB processing machine.
The utility model is used for the working depth control system of PCB processing machine, be applicable to the working depth adjusting a control PCB processing machine, and comprise a surface curvature measuring equipment, and signal is connected to the Working depth adjusting devices of this surface curvature measuring equipment.This surface curvature measuring equipment comprises a structured light projection unit, an image acquisition unit, and a curvature analytic unit, this structured light projection unit can have the structured light of structure pattern to a pcb board surface projection at least one, the structure pattern that this image acquisition unit can capture this structured light is projeced into the surperficial image formed of this pcb board, and export a structured light image, this curvature analytic unit is built-in with the standard pattern information of this structured light, and can according to the deformation of this this structured light image of standard pattern information analysis, and corresponding generation one is about the surface curvature information of this pcb board surface curvature distribution.This Working depth adjusting devices can distribute by this pcb board surface curvature according to this surface curvature information, and corresponding output one is for controlling the actual working depth information of this PCB processing machine.
Working depth control system for PCB processing machine described in the utility model, this structured light projection unit can switch the structured light of the multiple different structure pattern of projection in this pcb board surface, this image acquisition unit can capture this structure pattern difference projection imaging of described structured light in this pcb board surface, and export a structured light image respectively, this curvature analytic unit comprises a curvature analysis module, and a curvature averaging module, this curvature analysis module is built-in with multiple standard pattern information corresponding with described structured light respectively, and the deformation of described structured light image can be analyzed respectively according to described standard pattern information, and correspondence produces the corresponding curvature information that a surface curvature about this pcb board distributes respectively, this curvature averaging module can converge all described corresponding surface curvature information of leveling to obtain this surface curvature information.
Working depth control system for PCB processing machine described in the utility model, this PCB processing machine can export a long information of cutter, and a standard working depth information containing pcb board each position working depth, this Working depth adjusting devices comprises a depth error analytic unit, and a mismachining tolerance adjustment unit, this depth error analytic unit can according to the long information of this cutter and this surface curvature information of this working depth information analysis, to export a mismachining tolerance information, this mismachining tolerance adjustment unit can adjust this standard working depth information according to this mismachining tolerance information, this actual working depth information is exported with correspondence.
The utility model is used for the surface curvature measuring equipment of PCB processing machine, is applicable to the surface curvature distribution of a measurement pcb board, and comprises a structured light projection unit, an image acquisition unit, and a curvature analytic unit.This structured light projection unit can have the structured light of structure pattern to a pcb board surface projection at least one, the structure pattern that this image acquisition unit can capture this structured light is projeced into the surperficial image formed of this pcb board, and export a structured light image, this curvature analytic unit is built-in with the standard pattern information of this structured light, and can according to the deformation of this this structured light image of standard pattern information analysis, and the corresponding surface curvature information producing a surface curvature about this pcb board and distribute.
Surface curvature measuring equipment for PCB processing machine described in the utility model, this structured light projection unit can switch the structured light of the multiple different structure pattern of projection in this pcb board surface, this image acquisition unit can capture each structured light difference projection imaging in the image on this pcb board surface, and export a structured light image respectively, this curvature analytic unit comprises a curvature analysis module, and a curvature averaging module, this curvature analysis module is built-in with multiple standard pattern information corresponding with described structured light respectively, and the deformation of corresponding structured light image can be analyzed respectively according to described standard pattern information, and correspondence produces the corresponding curvature information that a surface curvature about this pcb board distributes respectively, this curvature averaging module can converge all described corresponding curvature information of leveling to obtain this surface curvature information.
The beneficial effects of the utility model are: by this surface curvature measuring equipment by analytical structure optical image, obtain the design of the curvature information of pcb board work surface, contribute to the accurate curvature distribution information obtaining whole pcb board surface fast, significantly can improve processing precise degree and the quality of pcb board.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model for an embodiment of the working depth control system of PCB processing machine; And
Fig. 2 is the functional block diagram of this embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As Fig. 1, shown in 2, the utility model is used for the embodiment of the working depth control system of PCB processing machine, be applicable to an organisation of working (not shown) of a control PCB processing machine 800 to the working depth of a pcb board 900, this organisation of working can according to for the cutter needed for processing project automatic clamping, and can when gripping cutter, export a corresponding cutter long information long with the processing cutter of this cutter, and the processing content at corresponding pcb board 900 position for processing exports a standard working depth information, described standard working depth information content comprises the working depth setting at each position to be processed of the work surface 901 of this pcb board 900, but not as limit when implementing.
This working depth control system comprises a surface curvature measuring equipment 3, and signal is connected to the Working depth adjusting devices 4 of this surface curvature measuring equipment 3.This surface curvature measuring equipment 3 comprises a structured light projection unit 31, image acquisition unit 32, and a curvature analytic unit 33.
This structured light projection unit 31 can to the work surface 901 switching projection multiple structured light with structure pattern 311 of this PCB processing machine 800 for a pcb board 900 of processing, described structure pattern 311 can be the pattern that multiple parallel stripes is formed, or the pattern that multiple round dot arrangement is formed, but be not limited with above-mentioned pattern types when implementing.This structured light projection unit 31 first can project a kind of structured light of structure pattern 311, then switches the structured light of another structure pattern 311 of projection, carries out image capture respectively for this image acquisition unit 32.
In the present embodiment, this structured light projection unit 31 is the projections whole work surface 901 of the pcb board 900 for processing being carried out to structured light, but when implementing, also the work surface 901 of pcb board 900 can be distinguished into multiple region portion, and make each of this structured light projection unit 31 carry out structured light projection to single or several region portion, successively complete the structured light projection at regional position.
This image acquisition unit 32 when project structured light to be imaged in the work surface 901 of this pcb board 900 by this structured light projection unit 31, can capture the image of this work surface 901, and exports a structured light image.
This curvature analytic unit 33 comprises a curvature analysis module 331, and a curvature averaging module 332.This curvature analysis module 331 is built-in with the standard pattern information of various structured light, this standard pattern information content comprises corresponding project structured light when a complete smooth plane, the information of the standard imaging that this structure pattern 311 presents in this plane, and the various distortion aspect of this structure pattern 311 and the curvature representated by amplitude of deformation.Corresponding standard pattern information be found out by each structured light image that this curvature analysis module 331 can export according to this image acquisition unit 32, and with the deformed state at each position of structured light image corresponding to this standard pattern information analysis.
Due to when work surface 901 out-of-flatness of pcb board 900, such as up arc is convex or down arc is recessed, these out-of-flatness positions all can cause structure pattern 311 position being projeced into this place to occur distortion, narrow contracting, the deformations such as expansion, and amplitude of deformation can be relevant with the out-of-flatness curvature of this work surface 901, so by analyzing the difference degree between each structured light image with corresponding standard pattern information, draw the curvature distribution at each position of the work surface 901 of this pcb board 900, such as analyze the bending of fringe-like structures pattern 311 and deformed state and amplitude, can learn that this position presents that down arc is recessed or up arc is convex, and the curvature that arc is recessed or arc is convex, and then may correspond to each structured light image and export the corresponding curvature information that represents this work surface 901 each position curvature distribution of this pcb board 900 respectively.Because the image analysing computer analyzing the deformation difference between two patterns is prior art and technology is numerous, therefore no longer describe in detail.
This curvature averaging module 332 can receive converge this curvature analysis module 331 whole for each structured light image analyze this corresponding curvature information of output, to export one for representing the surface curvature information of the curvature changes in distribution at this each position of work surface 901 of this pcb board 900.In the present embodiment, this curvature averaging module 332 is the statistics that described corresponding curvature information are averaged, for obtaining the average curvature at this each position of pcb board 900, and export this surface curvature information, this is through the design on average obtaining this surface curvature information of multiple corresponding curvature information, and the average curvature that presents can be made more accurate.
This Working depth adjusting devices 4 is that signal is connected to this PCB processing machine 800, comprises a depth error analytic unit 41, and a mismachining tolerance adjustment unit 42.This depth error analytic unit 41 can receive the long information of this cutter and this standard working depth information of the transmission of this PCB processing machine 800, and receive this surface curvature information of this curvature analytic unit 33 output, can according to the long information of this cutter, and the working depth setting at each position to be processed of this standard working depth information, analyze the curvature at each position to be processed corresponding in this surface curvature information, and export a mismachining tolerance information.The current cutter that this mismachining tolerance information content is included in this organisation of working is long, and in the standard working depth setting situation at each position to be processed of this pcb board 900, the working depth error that work surface 901 curvature of this pcb board 900 produces each position to be processed.
This mismachining tolerance adjustment unit 42 can according to this this standard working depth information of mismachining tolerance information correspondence adjustment, and export an actual working depth information, that is, the working depth error that can produce according to the surface curvature at each position to be processed, the standard working depth setting at corresponding each position to be processed of adjustment, and this actual working depth information is sent to this PCB processing machine 800, its working depth to each position to be processed of this pcb board 900 is adjusted to control this organisation of working, the blind hole that each position to be processed processing is produced and gash depth all can reach required precision.
In the present embodiment, it is the structured light by switching the multiple different structure pattern 311 of projection to this pcb board 900, and then it is in addition average by analyzing the described corresponding curvature information that obtains of described structured light image, to obtain this surface curvature information, but when implementing, also a kind of structured light can only be used, and using this corresponding curvature information of the structured light image gained analyzing this structured light as this surface curvature information.
In sum, by this surface curvature measuring equipment 3 by structured light image analysing computer, obtain the design of the curvature information of the work surface 901 of pcb board 900 to be processed, contribute to the accurate curvature distribution information obtaining the work surface 901 of whole pcb board 900 fast, adding this Working depth adjusting devices 4 can according to this surface curvature information of this pcb board 900, the design of the working depth of this this pcb board 900 of PCB processing machine 800 reality processing of corresponding adjustment, more can improve because the mismachining tolerance caused by pcb board 900 surface irregularity and fraction defective further, and significantly can improve processing precise degree and the quality of pcb board 900, quite convenient and practical.Therefore, really the purpose of this utility model can be reached.
Claims (5)
1. the working depth control system for PCB processing machine, be applicable to the working depth adjusting a control PCB processing machine, it is characterized in that: this working depth control system comprises a surface curvature measuring equipment, and a Working depth adjusting devices, this surface curvature measuring equipment comprises one can have the structured light of structure pattern structured light projection unit to a pcb board surface projection at least one, structure pattern that can capture this structured light is projeced into image that this pcb board surface forms and exports the image acquisition unit of a structured light image, and a curvature analytic unit, this curvature analytic unit is built-in with the standard pattern information of this structured light, and this structured light image can be received and produce a surface curvature information, this Working depth adjusting devices is that signal is connected to this surface curvature measuring equipment, this surface curvature information can be received and export one for controlling the actual working depth information of this PCB processing machine.
2. as claimed in claim 1 for the working depth control system of PCB processing machine, it is characterized in that: this structured light projection unit can switch the structured light of the multiple different structure pattern of projection in this pcb board surface, this image acquisition unit can capture this structure pattern difference projection imaging of described structured light in the image on this pcb board surface, and export a structured light image respectively, this curvature analytic unit comprises a curvature analysis module, and a curvature averaging module, this curvature analysis module is built-in with multiple standard pattern information corresponding with described structured light respectively, and the deformation of described structured light image can be analyzed respectively according to described standard pattern information, and correspondence produces a corresponding curvature information respectively, this curvature averaging module can converge all described corresponding surface curvature information of leveling to obtain this surface curvature information.
3. as claimed in claim 2 for the working depth control system of PCB processing machine, it is characterized in that: this PCB processing machine can export a long information of cutter, and a standard working depth information containing pcb board each position working depth, this Working depth adjusting devices comprises a depth error analytic unit, and a mismachining tolerance adjustment unit, this depth error analytic unit can according to the long information of this cutter and this surface curvature information of this working depth information analysis, to export a mismachining tolerance information, this mismachining tolerance adjustment unit can adjust this standard working depth information according to this mismachining tolerance information, this actual working depth information is exported with correspondence.
4. the surface curvature measuring equipment for PCB processing machine, be applicable to the surface curvature distribution of a measurement pcb board, it is characterized in that: this surface curvature measuring equipment comprises one can have the structured light of structure pattern structured light projection unit to a pcb board surface projection at least one, structure pattern that can capture this structured light is projeced into image that this pcb board surface forms and exports the image acquisition unit of a structured light image, and a curvature analytic unit, this curvature analytic unit is built-in with the standard pattern information of this structured light, and this structured light image can be received and produce a surface curvature information.
5. as claimed in claim 4 for the surface curvature measuring equipment of PCB processing machine, it is characterized in that: this structured light projection unit can switch the structured light of the multiple different structure pattern of projection in this pcb board surface, this image acquisition unit can capture each structured light difference projection imaging in the image on this pcb board surface, and export a structured light image respectively, this curvature analytic unit comprises a curvature analysis module, and a curvature averaging module, this curvature analysis module is built-in with multiple standard pattern information corresponding with described structured light respectively, and the deformation of corresponding structured light image can be analyzed respectively according to described standard pattern information, and correspondence produces a corresponding curvature information respectively, this curvature averaging module can converge all described corresponding curvature information of leveling to obtain this surface curvature information.
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| CN201520703546.3U CN204965137U (en) | 2015-09-11 | 2015-09-11 | A processing depth control system and surperficial curvature measuring equipment for PCB processing machine |
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| CN201520703546.3U CN204965137U (en) | 2015-09-11 | 2015-09-11 | A processing depth control system and surperficial curvature measuring equipment for PCB processing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271445A (en) * | 2017-05-16 | 2017-10-20 | 广州视源电子科技股份有限公司 | A kind of defect inspection method and device |
| CN108917640A (en) * | 2018-06-06 | 2018-11-30 | 佛山科学技术学院 | A kind of laser blind hole depth detection method and its system |
| CN109544500A (en) * | 2017-09-20 | 2019-03-29 | 诚锋兴业股份有限公司 | The device for identifying and discrimination method of vamp assembly operation |
| CN111792377A (en) * | 2020-06-17 | 2020-10-20 | 上海名起机械制造有限公司 | Conveying and positioning mechanism of PCB (printed circuit board) collecting machine and PCB collecting method |
-
2015
- 2015-09-11 CN CN201520703546.3U patent/CN204965137U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271445A (en) * | 2017-05-16 | 2017-10-20 | 广州视源电子科技股份有限公司 | A kind of defect inspection method and device |
| CN109544500A (en) * | 2017-09-20 | 2019-03-29 | 诚锋兴业股份有限公司 | The device for identifying and discrimination method of vamp assembly operation |
| CN108917640A (en) * | 2018-06-06 | 2018-11-30 | 佛山科学技术学院 | A kind of laser blind hole depth detection method and its system |
| CN111792377A (en) * | 2020-06-17 | 2020-10-20 | 上海名起机械制造有限公司 | Conveying and positioning mechanism of PCB (printed circuit board) collecting machine and PCB collecting method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20170911 |