CN111465196B - Full-process traceable photoelectric analysis device for PCB product manufacturing - Google Patents
Full-process traceable photoelectric analysis device for PCB product manufacturing Download PDFInfo
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- CN111465196B CN111465196B CN202010347003.8A CN202010347003A CN111465196B CN 111465196 B CN111465196 B CN 111465196B CN 202010347003 A CN202010347003 A CN 202010347003A CN 111465196 B CN111465196 B CN 111465196B
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- 238000004458 analytical method Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 9
- 238000010223 real-time analysis Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 description 9
- 238000005553 drilling Methods 0.000 description 4
- UFNIBRDIUNVOMX-UHFFFAOYSA-N 2,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1Cl UFNIBRDIUNVOMX-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a full-flow traceable photoelectric analysis device for manufacturing a PCB product, which comprises a device main body, wherein the left side and the right side of the device main body are fixedly provided with feeding machine side edges, a side edge clamping block is fixedly arranged on the side wall of the feeding machine side edge far away from the middle of the device main body, a three-point positioning block is fixedly arranged on the side wall of the feeding machine side edge far away from the side edge clamping block, a side positioning edge is fixedly arranged on the side wall of the feeding machine side edge near the middle of the device main body, a strip line backlight lamp is fixedly arranged on the side wall of the side positioning edge near the middle of the device main body, a transmission roller group is connected above the side wall of the side positioning edge near the strip line backlight lamp through a shaft, a PCB board is arranged above the transmission roller group, and a light source gantry bracket is arranged on the top wall of the side positioning edge through bolts.
Description
Technical Field
The invention relates to the technical field of PCB product manufacturing, in particular to a full-flow traceable photoelectric analysis device for PCB product manufacturing.
Background
The PCB production and manufacturing process comprises an inner layer circuit, lamination drilling, hole metallization, an outer layer dry film, an outer layer circuit, screen printing, a surface process, a post-process and the like, and a plurality of processes such as grinding, polishing, exposure, electroplating, water washing and the like are carried out in each process, so that identifiable unique codes are added on different materials for realizing the traceability of the manufacturing process, and the same set of devices is used for reading. The conventional codes comprise corrosion OCR, silk screen two-dimensional codes, borehole OCR, printed bar codes and the like, and the code analysis equipment also comprises different devices such as a code scanning gun, a reading terminal, photoelectric OCR recognition equipment and the like, so that the photoelectric analysis equipment or the device which is suitable for the whole process is not available at present.
Disadvantages of the prior art: each code can only be used in a specific process, the same code system cannot be used in the whole process, and the same decoding device cannot be used at the same time.
In view of the foregoing, a full-process traceable photoelectric analysis device for PCB product manufacturing is needed to solve the drawbacks of the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a full-process traceable photoelectric analysis device for manufacturing a PCB product, and aims to solve the problem that the same code system and the same set of decoding device cannot be used in the full process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a photoelectric analytical device is traceed back to full flow of PCB product manufacturing, includes the device main part, the left and right sides of device main part is fixed to be equipped with the material loading machine side group, one side lateral wall fixed mounting that the device main part was kept away from to the material loading machine side group has the side group to step up the piece, one side lateral wall fixed mounting that the material loading machine side group kept away from the side group to step up the piece has the three-point locating block, one side lateral wall fixed mounting that the material loading machine side group is close to the device main part centre has the side group that fixes a position, one side lateral wall that the side group is close to the device main part centre is fixed to be equipped with the strip line backlight, one side lateral wall that the side group is close to the top of strip line backlight has the transmission roller group through the hub connection, the PCB board has been placed to the top of transmission roller group, the roof of side group fixes a position the roof and has the light source longmen support through the bolt mounting, the roof mid-mounting of light source longmen support has the camera longmen support, area array camera is installed on one side inner wall top of camera longmen support.
Preferably, the device main body is further provided with an industrial computer, the industrial computer adopts an X86 control system, and an analysis algorithm of the device main body adopts a real-time analysis mode.
Preferably, the transmission roller group is formed by connecting single rollers with equal intervals in series through shaft end gears.
As a preferable aspect of the present invention, a high-resolution industrial lens is mounted directly under the area camera.
As the optimization of the invention, the linear backlight lamp, the area array camera, the high-resolution industrial lens, the X86 control system and the transmission roller group form a photoelectric analysis module, and the photoelectric analysis module is fixed on the transmission structure through the light source gantry bracket, the camera gantry bracket, the side wall clamping block and the three-point positioning block.
The invention has the beneficial effects that:
1. in the invention, the PCB manufacturing process is widely fed and discharged by adopting the roller conveying mechanism, and the manufacturing process is traced by feeding and discharging in each working procedure for reading code, so the analysis module is designed aiming at the characteristic of roller conveying, and is directly improved on the prior art, the improvement downtime is short, and the improvement cost is low;
2. in the invention, the transmission roller group has certain vibration, the double gantry structure and the positioning and clamping structure can effectively fix the analysis module to the transmission structure, and the analysis module and the transmission structure are integrated into a whole, so that instability caused by excessive connection is avoided, the image quality is ensured, and the decoding success rate is increased;
3. according to the invention, the transmission roller groups are connected together in series by single rollers with equal intervals through the shaft end gears, one of the transmission roller groups is removed without influencing the whole transmission, based on the principle, the analysis module replaces one transmission roller, perspective imaging is carried out by utilizing the interval reserved by the removed roller wheels, and the device is additionally arranged on a production line without influencing the operation of original equipment and without changing the action of the equipment.
4. In the invention, the analysis algorithm adopts a real-time analysis mode, so that the leak rate is greatly reduced, the whole system is more intelligent, the human intervention is less, and the method has certain use value and popularization value.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a side view of the structure of the present invention.
Fig. 3 is a top view of the structure of the present invention.
In the figure: 1-device main body, 2-feeding machine side wall, 3-side wall clamping block, 4-three-point positioning block, 5-side wall positioning block, 6-line backlight lamp, 7-transmission roller group, 8-PCB board, 9-light source gantry support, 10-camera gantry support and 11-area array camera.
Detailed Description
As shown in fig. 1, 2 and 3, a full-process traceable photoelectric analysis device for manufacturing PCB products comprises a device main body 1, wherein a feeding machine side wall 2 is fixedly arranged at the left side and the right side of the device main body 1, a side wall of a feeding machine side wall 2 far away from the middle of the device main body 1 is fixedly provided with a side wall clamping block 3, a side wall of the feeding machine side wall 2 far away from the side wall clamping block 3 is fixedly provided with a three-point positioning block 4, a side wall of the feeding machine side wall 2 near the middle of the device main body 1 is fixedly provided with a side positioning wall 5, a side wall of the side positioning wall 5 near the middle of the device main body 1 is fixedly provided with a strip line backlight 6, a transmission roller group 7 is connected above the side wall of the side positioning wall 5 near the strip line backlight 6 through a shaft, the transmission roller group 7 is connected in series by single rollers with equal intervals through shaft end gears, one of the two sides is detached without influencing the whole transmission based on the principle, the analysis module replaces a transmission roller, utilizes the space reserved by a dismantling roller wheel to carry out perspective imaging, the device is additionally arranged on a production line, has no influence on the operation of original equipment, does not need to change the action of the equipment, a PCB (printed Circuit Board) board 8 is arranged above the transmission roller wheel group 7, the top wall of the side positioning upper 5 is provided with a light source gantry bracket 9 through bolts, the middle part of the top wall of the light source gantry bracket 9 is provided with a camera gantry bracket 10, the transmission roller wheel group 7 has certain vibration, the analysis module can be effectively fixed on the transmission structure through the double gantry structure and the positioning clamping structure, the analysis module is integrated with the transmission structure, the instability caused by excessive connection is avoided, the image quality is ensured, the decoding success rate is increased, the area array camera 11 is arranged at the top end of the inner wall of one side of the camera gantry bracket 10, the whole analysis algorithm adopts a real-time analysis mode, therefore, the code leakage rate is greatly reduced, the whole system is more intelligent, and human intervention is less.
The working principle of the invention is as follows: the array holes are drilled on the copper-clad plate of the PCB 8 according to a certain coding rule to serve as a coding carrier, a decoding device is formed by the strip line backlight lamp 6, the area array camera 11, the high-resolution industrial lens and the industrial computer, and the optical, electric and mechanical integrated design is used.
Hole code scheme: drilling array coding holes at the front end of the inner layer copper-clad plate of the PCB 8, wherein the drilling coding holes consist of four parts, namely a direction hole, a coordinate hole, a data hole and a verification hole; the coding mode using the drilling array code as the whole flow has the following characteristics: the whole process of the PCB can be applied; the identification accuracy is ensured by the check code; the device has a direction and a coordinate hole, and can be identified in the front and the back.
Photoelectric analysis module: the strip line backlight lamp 6, the area array camera 11, the high-resolution industrial lens, the X86 control system and the transmission roller group 7 form a photoelectric analysis module, and the whole set of analysis module is additionally arranged on special equipment in the feeding and discharging process according to the characteristics of PCB manufacturing equipment so as to meet the requirements of photoelectric analysis and quick installation; the PCB 8 can carry out photoelectric analysis when passing over the light source of the strip backlight lamp 6, the analysis adopts an image method to analyze the hole codes, the area camera 11 is in a continuous shooting mode, and whether effective hole codes exist or not is judged in real time.
In other working sections (backlight sources cannot be arranged), photoelectric decoding can be performed by adopting a mode of arranging surface light sources on the front surface.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The utility model provides a photoelectric analytical device is traceed back to full flow of PCB product manufacturing, includes device main part (1), a serial communication port, the left and right sides of device main part (1) is fixed to be equipped with material loading machine side group (2), material loading machine side group (2) are kept away from one side lateral wall fixed mounting in the middle of device main part (1) and are had side group clamping piece (3), material loading machine side group (2) are kept away from one side lateral wall fixed mounting that side group clamping piece (3) have three-point locating piece (4), one side lateral wall fixed mounting that material loading machine side group (2) is close to in the middle of device main part (1) has side locating group (5), one side lateral wall that side locating group (5) is close to in the middle of device main part (1) is fixed to be equipped with strip line backlight (6), one side lateral wall that side locating group (5) is close to strip line backlight (6) is passed through hub connection and is had transmission roller group (7), PCB board (8) have been placed to the top of transmission roller group (7), the roof of side locating group (5) is through bolt mounting light source gantry door support (9), light source support (9) are installed on the roof of side locating group (5), camera support (10) are installed on the top of the camera frame (10).
2. The full-process traceable photoelectric analysis device for manufacturing the PCB product according to claim 1, wherein the device main body (1) is further provided with an industrial computer, the industrial computer adopts an X86 control system, and an analysis algorithm of the device main body (1) adopts a real-time analysis mode.
3. The full-process traceable photoelectric analysis device for manufacturing the PCB product according to claim 1, wherein the transmission roller group (7) is formed by connecting single rollers with equal intervals in series through shaft end gears.
4. The full-process traceable photoelectric analysis device for manufacturing the PCB product according to claim 1, wherein a high-resolution industrial lens is installed right below the area array camera (11).
5. The full-process traceable photoelectric analysis device for manufacturing the PCB product according to any one of claims 1, 2 and 4, wherein the strip backlight (6), the area array camera (11), the high-resolution industrial lens, the X86 control system and the transmission roller group (7) form a photoelectric analysis module, and the photoelectric analysis module is fixed on a transmission structure through the light source gantry bracket (9), the camera gantry bracket (10), the side wall clamping block (3) and the three-point positioning block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347003.8A CN111465196B (en) | 2020-04-28 | 2020-04-28 | Full-process traceable photoelectric analysis device for PCB product manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347003.8A CN111465196B (en) | 2020-04-28 | 2020-04-28 | Full-process traceable photoelectric analysis device for PCB product manufacturing |
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| Publication Number | Publication Date |
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| CN111465196A CN111465196A (en) | 2020-07-28 |
| CN111465196B true CN111465196B (en) | 2024-02-02 |
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| CN110008776A (en) * | 2019-04-23 | 2019-07-12 | 深圳镭霆激光科技有限公司 | PCB manufactures whole process retrospect identification code, coding method and application |
| CN209727787U (en) * | 2018-10-09 | 2019-12-03 | 天津科技大学 | A kind of food inspection device experiment platform |
| CN110991588A (en) * | 2019-12-05 | 2020-04-10 | 南京品微智能科技有限公司 | Method for realizing PCB product manufacturing whole-process tracing based on hexadecimal lattice hole codes |
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2020
- 2020-04-28 CN CN202010347003.8A patent/CN111465196B/en active Active
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|---|---|---|---|---|
| JP2011023763A (en) * | 2010-11-02 | 2011-02-03 | Sony Corp | Component mounting method |
| CN102221563A (en) * | 2011-03-23 | 2011-10-19 | 梅州泰源科技有限公司 | Apparatus for automatically inspecting defects of PCB (printed circuit board) |
| KR101458321B1 (en) * | 2013-08-30 | 2014-11-04 | 주식회사 기정산업 | Apparatus for automatic selecting fpcb |
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| CN206546150U (en) * | 2017-02-27 | 2017-10-10 | 青岛智目科技有限公司 | A kind of tiny deep via vision-based detection servicing unit of pcb board |
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| CN111465196A (en) | 2020-07-28 |
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