CN204789371U - Printed circuit board automated optical inspection system - Google Patents
Printed circuit board automated optical inspection system Download PDFInfo
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- CN204789371U CN204789371U CN201520327723.2U CN201520327723U CN204789371U CN 204789371 U CN204789371 U CN 204789371U CN 201520327723 U CN201520327723 U CN 201520327723U CN 204789371 U CN204789371 U CN 204789371U
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Abstract
The utility model provides a printed circuit board automated optical inspection system. Printed circuit board automated optical inspection system includes base station, displacement electricity jar, first objective table, second objective table and letter sorting platform, first objective table with the setting of letter sorting platform is in the base station, the second objective table with displacement electricity jar is connected, and with first objective table sets up relatively. The utility model provides a printed circuit board automated optical inspection system adopts two platform support plates and two -way gas tank, realizes the evacuation and guarantees the printed circuit board planarization, and the function that can also realize blowing simultaneously forms the airbed and avoids the plate to march the in -process copper face appearing and scrape the flower, and this structure is effectual to have reduced that PCB is crooked, the board sticks up the influence to the formation of image of linear array camera.
Description
Technical field
The utility model relates to printed circuit board (PCB) (PrintedCircuitBoard, PCB) and manufactures field, especially, relates to a kind of printed circuit board (PCB) automatic optics inspection (AutomatedOpticalInspection, AOI) system.
Background technology
Current PCB is in manufacturing process, because PCB two sides all exists circuit, automatic optical detecting system will detect the defect (as line short, open circuit, pin hole, wiping is colored, line is young, line is thick, canine tooth etc.) of PCB two sides circuit, therefore, line-scan digital camera needs to take pictures to the circuit on PCB two sides, for printed circuit board (PCB) automatic optics inspection.
In prior art, line-scan digital camera is set up in above and below PCB, line-scan digital camera maintains static, PCB moves between line-scan digital camera, PCB is between upper and lower line-scan digital camera, with row rumble transmission PCB, light source position angle is fixed, this structure is expert in rumble moving process at PCB, by row rumble gap size, row rumble transmission gear degree of engagement, row rumble is beated, the many factors such as the thin and thick of plate, plate is made to be in jounce condition in moving process, without fixing movement locus on microcosmic, be difficult to Formation rule, this structure must be opened light source simultaneously take pictures, for thin PCB, light source easily causes and interferes with each other, light source reflection angle also changes irregular, above-mentioned factor causes line-scan digital camera unstable, easy appearance erroneous judgement and undetected.
Utility model content
For the technical matters of PCB detecting system in prior art, the utility model provides a kind of printed circuit board (PCB) automatic optical detecting system.
A kind of printed circuit board (PCB) automatic optical detecting system, comprise base station, displacement electricity cylinder, the first objective table, the second objective table and sorting platform, described first objective table and described sorting platform are arranged on described base station, described second objective table is connected with described displacement electricity cylinder, and is oppositely arranged with described first objective table; Described first objective table comprises the first workplace and is arranged on the multiple two-way air drain of described first workplace, First Line array camera and First Line light source, wherein said two-way air drain is arranged on the first workplace of described first objective table in a distributed manner, and each two-way air drain comprises gas hole and vacuumizes hole.
In a preferred embodiment of the present utility model, described first workplace comprises the first positioning area and the first optical module district, and described first objective table also comprises multiple position block, described multiple position block is arranged on the edge of described first positioning area, and one of them position block separates described first positioning area and described first optical module district, described multiple two-way air drain is evenly arranged on described first positioning area, and described First Line array camera and described First Line light source are successively set on described first optical module district.
In a preferred embodiment of the present utility model, described second objective table comprises the second workplace and is arranged on the multiple of described second workplace and vacuumizes groove, the second line-scan digital camera and the second line source.
In a preferred embodiment of the present utility model, described second workplace comprises the second positioning area and the second optical module district, described multiple groove that vacuumizes evenly is arranged on described second positioning area, and described second line-scan digital camera and described second line source are successively set on described second optical module district.
In a preferred embodiment of the present utility model, described first positioning area and described first optical module district are respectively with described second positioning area with described second optical module zone position is corresponding arranges.
In a preferred embodiment of the present utility model, the groove that vacuumizes vacuumizing hole and described second objective table of described first objective table is respectively arranged with independently non-return valve.
In a preferred embodiment of the present utility model, described displacement electricity cylinder comprises horizontal shift electricity cylinder and vertical displacement electricity cylinder, described vertical displacement electricity cylinder connects described second objective table and described horizontal shift electricity cylinder, described horizontal shift electricity cylinder drives described second objective table to move back and forth in the horizontal direction, and described vertical displacement electricity cylinder drives the vertically to-and-fro movement of described second objective table.
In a preferred embodiment of the present utility model, described horizontal shift electricity cylinder and described vertical displacement electricity cylinder are linear servo electricity cylinder.
In a preferred embodiment of the present utility model, also comprise control analysis server, described control analysis server is connected to described displacement electricity cylinder, the first objective table, the second objective table and sorting platform, and controls the duty of described displacement electricity cylinder, described first objective table, described second objective table and described sorting platform.
In a preferred embodiment of the present utility model, described displacement electricity cylinder comprises horizontal shift electricity cylinder and vertical displacement electricity cylinder, described horizontal shift electricity cylinder is arranged along described base station direction, described vertical displacement electricity cylinder connects described second objective table and described horizontal shift electricity cylinder, described horizontal shift electricity cylinder drives described second objective table to move back and forth along the setting direction of described base station, and described vertical displacement electricity cylinder drives the vertically to-and-fro movement of described second objective table.
In a preferred embodiment of the present utility model, described horizontal shift electricity cylinder and vertical displacement electricity cylinder are linear servo electricity cylinder.
In a preferred embodiment of the present utility model, also comprise control analysis server, described control analysis server is connected to described displacement electricity cylinder, the first objective table, the second objective table and sorting platform, and controls the duty of described displacement electricity cylinder, described first objective table, described second objective table and described sorting platform.
Compared to prior art, the printed circuit board (PCB) automatic optical detecting system that the utility model provides adopts Double tabletop support plate and two-way air drain, can realize vacuumizing to ensure printed circuit board (PCB) planarization, simultaneously can also realize blowing function to avoid occurring that copper face scratches in plate traveling process to form air-bed, this structure effectively reduces that PCB bends, plate sticks up impact on line-scan digital camera imaging.Especially, for thin PCB, Double tabletop is opened light source respectively and is taken pictures, and avoids interfering with each other between light source.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the perspective view of the printed circuit board (PCB) automatic optical detecting system that the utility model provides;
Fig. 2 is the perspective view of printed circuit board (PCB) automatic optical detecting system second objective table shown in Fig. 1;
Fig. 3 a-3h is the principle of work schematic diagram of the printed circuit board (PCB) automatic optical detecting system shown in Fig. 1.
Embodiment
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of printed circuit board (PCB) automatic optical detecting system, and please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the perspective view of the printed circuit board (PCB) automatic optical detecting system that the utility model provides; Fig. 2 is the perspective view of printed circuit board (PCB) automatic optical detecting system second objective table shown in Fig. 1.Described printed circuit board (PCB) automatic optical detecting system 1 comprises base station 11, displacement electricity cylinder 12, first objective table 13, second objective table 14, sorting platform 15 and control analysis server (not shown), described control analysis server and described displacement electricity cylinder 12, first objective table 13, second objective table 14 and described sorting platform 15 connection, it controls the duty of described first objective table 13, second objective table 14 and sorting platform 15, and described first objective table 13 and described sorting platform 15 are connected with the end face of described base station 11 and arrange.Described displacement electricity cylinder 12 is arranged on described base station 11 top, and described second objective table 14 is connected with described displacement electricity cylinder 12, and with described first objective table 13 with sort platform 15 parallel interval and arrange.
Described first objective table 13 comprises the first workplace 131, multiple two-way air drain 132, First Line array camera 133, First Line light source 134 and multiple position block 135.Described first workplace 131 comprises the first positioning area 137 and the first optical module district 138, described position block 135 is arranged on the edge of described first positioning area 137, and one of them position block 135 separates described first positioning area 137 and described first optical module district 138.Described multiple two-way air drain 132 is arranged on described first positioning area 137 in a distributed manner, and described First Line array camera 133 and First Line light source 134 are successively set on described first optical module district 138.
Described second objective table 14 comprises the second workplace 141, vacuumizes groove 142, second line-scan digital camera 143 and the second line source 144, described second workplace 141 comprises the second positioning area 145 and the second optical module district 146, described multiple groove 142 that vacuumizes evenly is arranged on described second positioning area 145, and described second line-scan digital camera 143 and the second line source 144 are successively set on described second optical module district 146.Described first workplace 131 and the second workplace 141 are oppositely arranged, and described first positioning area 137 and the first optical module district 138 are respectively with the second positioning area 145 with the second position, optical module district 146 is corresponding arranges.
Two-way air drain 132 inside of described first objective table 13 is provided with gas hole and vacuumizes hole (not shown), and wherein each vacuumizes hole and can be respectively arranged with independently non-return valve; And the vacuumizing groove 142 inside and can be provided with non-return valve (not shown) equally of described second objective table 14.Adopt said structure can prevent platelet face PCB from can not all cover all aspirating holes, affect vacuum pumping rate and vacuum tightness, effectively reduce PCB bend and seesaw on the impact of imaging.
The gas hole of described two-way air drain 132 inside can move horizontally in process by blowing to form air-bed towards described first objective table 13 by PCB, make PCB close to suspended state, thus make PCB rely on the small friction force of previous stage row rumble just driving PCB to advance on described first objective table 13, avoid the copper face of PCB and described first objective table 13 to produce phenomenon of swiping because of Action of Gravity Field.
Described displacement electricity cylinder 12 comprises horizontal shift electricity cylinder 121 and vertical displacement electricity cylinder 122, described horizontal shift electricity cylinder 121 is arranged along described base station 11 direction, described vertical displacement electricity cylinder 122 connects described second objective table 14 and described horizontal shift electricity cylinder 121, described horizontal shift electricity cylinder 121 drives described second objective table 14 to move back and forth along the setting direction of described base station 11, and described vertical displacement electricity cylinder 122 drives described second objective table 14 along the direction to-and-fro movement vertical with described base station 11.
In the present embodiment, described horizontal shift electricity cylinder 121 and vertical displacement electricity cylinder 122 are linear servo electricity cylinder, it can improve displacement accuracy to 0.005 ㎜, reduce in PCB displacement process, tremble on the impact of imaging, even with hourly velocity, guarantee the consistance of unit interval imaging and practice displacement ratio, i.e. synchronous scanning, improves image quality.
For understanding the printed circuit board (PCB) automatic optical detecting system 1 that the utility model provides better, below in conjunction with Fig. 3 a-3h, the course of work of the printed circuit board (PCB) automatic optical detecting system 1 shown in Fig. 1 is introduced.
First, refer to Fig. 3 a, PCB is first, to be detected to one end of the first objective table 32 of printed circuit board (PCB) automatic optical detecting system 3 by PCB2 horizontal transmission;
When described PCB2 enters described first objective table 32, the gas hole in the two-way air drain 321 of described first objective table 32 is started working and is blown, and forms air-bed, described PCB2 is advanced with suspended state.
Secondly, please refer to Fig. 3 b-3c, when the First Line array camera 322 that described PCB2 enters described first objective table 32 completely effectively shooting area time, start working and carry out air-breathing in the hole that vacuumizes in described two-way air drain 321, make to form vacuum between described two-way air drain 321 and PCB2, described PCB2 just can be fixed to the surface of described first objective table 32 by vacuum suction mode thus.
Then, refer to Fig. 3 d, second objective table 33 of described printed circuit board (PCB) automatic optical detecting system 3 is under horizontal shift electricity cylinder drives directly over horizontal shift to described first objective table 32, and described second objective table 33 move horizontally in process, second line-scan digital camera 332 of described second objective table 33 carries out automatic optics inspection to the end face of described PCB2, completes the image acquisition of described PCB2 top line.
Refer to Fig. 3 e, after the image acquisition of described PCB2 top line completes, described second objective table 33 drops to described PCB2 surface under the drive of vertical displacement electricity cylinder, and now the groove 331 that vacuumizes of described second objective table 33 carries out suction operation, vacuumize described in making between groove 331 and PCB2 and form vacuum, described PCB2 just can be fixed to the surface of described second objective table 33 by vacuum suction mode thus.
Further, refer to Fig. 3 f, described second objective table 33 rises and after reaching the fixed focal length of described First Line array camera 322 under described vertical displacement electricity cylinder drives, the First Line array camera 322 of described first objective table 32 carries out automatic optics inspection to the bottom surface of described PCB2, completes the image acquisition of described PCB2 wiring underlayer.
Please refer to Fig. 3 g-3h, after the image acquisition of described PCB2 wiring underlayer completes, described second objective table 33 is moved horizontally to above sorting platform 34 under the drive of described horizontal shift electricity cylinder, after this described second objective table 33 cuts out it and vacuumizes groove 331 and realize vacuum release, and described PCB2 free-falling is to described sorting platform 34.
Finally, the top line of described sorting platform according to described PCB2 and the optical detection result of wiring underlayer, described PCB2 part is sorted in zones of different by PCB, completes the automatic optics inspection to printed circuit board (PCB).
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a printed circuit board (PCB) automatic optical detecting system, it is characterized in that, comprise base station, displacement electricity cylinder, the first objective table, the second objective table and sorting platform, described first objective table and described sorting platform are arranged on described base station, described second objective table is connected with described displacement electricity cylinder, and is oppositely arranged with described first objective table; Described first objective table comprises the first workplace and is arranged on the multiple two-way air drain of described first workplace, First Line array camera and First Line light source, wherein said two-way air drain is arranged on the first workplace of described first objective table in a distributed manner, and each two-way air drain comprises gas hole and vacuumizes hole.
2. printed circuit board (PCB) automatic optical detecting system according to claim 1, it is characterized in that, described first workplace comprises the first positioning area and the first optical module district, and described first objective table also comprises multiple position block, described multiple position block is arranged on the edge of described first positioning area, and one of them position block separates described first positioning area and described first optical module district, described multiple two-way air drain is evenly arranged on described first positioning area, described First Line array camera and described First Line light source are successively set on described first optical module district.
3. printed circuit board (PCB) automatic optical detecting system according to claim 2, is characterized in that, described second objective table comprises the second workplace and is arranged on the multiple of described second workplace and vacuumizes groove, the second line-scan digital camera and the second line source.
4. printed circuit board (PCB) automatic optical detecting system according to claim 3, it is characterized in that, described second workplace comprises the second positioning area and the second optical module district, described multiple groove that vacuumizes evenly is arranged on described second positioning area, and described second line-scan digital camera and described second line source are successively set on described second optical module district.
5. printed circuit board (PCB) automatic optical detecting system according to claim 4, is characterized in that, described first positioning area and described first optical module district are respectively with described second positioning area with described second optical module zone position is corresponding arranges.
6. printed circuit board (PCB) automatic optical detecting system according to claim 3, is characterized in that, the groove that vacuumizes vacuumizing hole and described second objective table of described first objective table is respectively arranged with independently non-return valve.
7. printed circuit board (PCB) automatic optical detecting system according to claim 1, it is characterized in that, described displacement electricity cylinder comprises horizontal shift electricity cylinder and vertical displacement electricity cylinder, described vertical displacement electricity cylinder connects described second objective table and described horizontal shift electricity cylinder, described horizontal shift electricity cylinder drives described second objective table to move back and forth in the horizontal direction, and described vertical displacement electricity cylinder drives the vertically to-and-fro movement of described second objective table.
8. printed circuit board (PCB) automatic optical detecting system according to claim 7, is characterized in that, described horizontal shift electricity cylinder and described vertical displacement electricity cylinder are linear servo electricity cylinder.
9. printed circuit board (PCB) automatic optical detecting system according to claim 1, it is characterized in that, also comprise control analysis server, described control analysis server is connected to described displacement electricity cylinder, the first objective table, the second objective table and sorting platform, and controls the duty of described displacement electricity cylinder, described first objective table, described second objective table and described sorting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327723.2U CN204789371U (en) | 2015-05-19 | 2015-05-19 | Printed circuit board automated optical inspection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327723.2U CN204789371U (en) | 2015-05-19 | 2015-05-19 | Printed circuit board automated optical inspection system |
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| CN204789371U true CN204789371U (en) | 2015-11-18 |
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| CN201520327723.2U Active CN204789371U (en) | 2015-05-19 | 2015-05-19 | Printed circuit board automated optical inspection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949992A (en) * | 2015-05-19 | 2015-09-30 | 东莞市威力固电路板设备有限公司 | Printed circuit board (PCB) automated optical inspection (AOI) system and PCB objective table suitable for same |
| CN106379038A (en) * | 2016-11-15 | 2017-02-08 | 珠海市捷锐科技有限公司 | Automatic production line for keyboard conducting film silk screen and quality testing |
| CN107934368A (en) * | 2016-10-12 | 2018-04-20 | 神讯电脑(昆山)有限公司 | Track senses feed device |
| CN113602813A (en) * | 2021-08-10 | 2021-11-05 | 江苏科技大学 | Glass substrate air floatation device with deformation control function and control method |
-
2015
- 2015-05-19 CN CN201520327723.2U patent/CN204789371U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949992A (en) * | 2015-05-19 | 2015-09-30 | 东莞市威力固电路板设备有限公司 | Printed circuit board (PCB) automated optical inspection (AOI) system and PCB objective table suitable for same |
| CN107934368A (en) * | 2016-10-12 | 2018-04-20 | 神讯电脑(昆山)有限公司 | Track senses feed device |
| CN106379038A (en) * | 2016-11-15 | 2017-02-08 | 珠海市捷锐科技有限公司 | Automatic production line for keyboard conducting film silk screen and quality testing |
| CN113602813A (en) * | 2021-08-10 | 2021-11-05 | 江苏科技大学 | Glass substrate air floatation device with deformation control function and control method |
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