CN204790311U - A negative pressure production platform for AOI device that PCB film detected - Google Patents
A negative pressure production platform for AOI device that PCB film detected Download PDFInfo
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- CN204790311U CN204790311U CN201520398038.9U CN201520398038U CN204790311U CN 204790311 U CN204790311 U CN 204790311U CN 201520398038 U CN201520398038 U CN 201520398038U CN 204790311 U CN204790311 U CN 204790311U
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- negative pressure
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- pcb film
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Abstract
The utility model discloses a negative pressure production platform for AOI device that PCB film detected relates to the negative pressure and produces technical field. The negative pressure produces the platform and includes basic platform, supporting mechanism, negative pressure platform and negative pressure production subassembly, the basic platform is located the bottom, and the negative pressure platform supports through the supporting mechanism that a plurality of is connected with the basic platform, and the negative pressure produces the subassembly and is connected with the negative pressure platform, the negative pressure produces the platform and is used for producing the power that adsorbs the negative pressure platform under the control of computer, is equipped with a plurality of aperture and film location identification on the negative pressure platform. The negative pressure is equipped with even fine and close aperture on producing the platform, by vacuum pump production negative pressure, through the action of solenoid valve control cylinder, makes vacuum straw work or stops to the messenger place film on the negative pressure platform hug closely it on and the skew does not take place, be favorable to film's accurate positioning.
Description
Technical field
The utility model relates to negative pressure generating device technical field, and the negative pressure particularly relating to a kind of AOI device for the detection of PCB film produces platform.
Background technology
Electronic circuit plate making film used is called film, and the egative film being similar to photo is the same.It adopts light remittance machine banknotes-system, is the first operation of printed board manufacturing process.The later stage operation of PCB plate-making carries out image transfer as motherboard, and therefore the drafting of this film is accurately extremely important.Cause the ill-exposed this kind of problem of batch if run into because egative film is stained, if just found after follow-up circuit board etching and processing, will cause bulk defect, cause economic loss very large, influence time is also long, is not easy to us and corrects in time.Because the welding technology of pcb board is complicated, adopt artificial visual to detect film, difficult quality guarantee, and efficiency is lower.Adopt AOI checkout equipment as the quality restriction of figure operation initial workpiece, can improve the quality of products, prevent figure operation from producing bulk defective, reduce and scrap and reprocess cost.
Detect film whether defectiveness or other is as dust, scuffing, contamination, or the other problem defect that exposure machine exists, automatic optics inspection (AOI) equipment can be adopted to detect.Mechanism on existing film checkout equipment portal frame is more, causes complex structure, and portal frame weight is comparatively large, moves and compares effort, and response speed is slow, thus causes detection efficiency low.
Utility model content
The negative pressure that technical problem to be solved in the utility model is to provide a kind of AOI device for the detection of PCB film produces platform, described negative pressure produces platform and is provided with even compact aperture, negative pressure is produced by vacuum pump, by a solenoid control cylinder action, make vaccum suction pipe work or stopping, be close on it to make the film be positioned on negative pressure platform and do not offset, be conducive to the accurate location of film.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of negative pressure of the AOI device for the detection of PCB film produces platform, described negative pressure produces platform and is positioned on described rack, for producing the negative pressure of absorption PCB film under control of the computer, it is characterized in that: described negative pressure produces platform and comprises basic platform, supporting mechanism, negative pressure platform and negative pressure generation component, described basic platform is positioned at bottom, the supporting mechanism that negative pressure platform is connected with basic platform by several supports, negative pressure generation component is connected with negative pressure platform, for producing the power of absorption negative pressure platform under control of the computer, negative pressure platform is provided with several apertures and film positioning mark.
Further technical scheme is: described negative pressure generation component comprises vacuum pump, vacuum tube and electromagnetic switch valve module, and vacuum tube is connected on described vacuum pump, and described electromagnetic switch valve module is positioned on described vacuum tube.
Further technical scheme is: described electromagnetic switch valve module comprises solenoid directional control valve, cylinder, tensimeter, pneumatic triple piece and switch valve.
Further technical scheme is: the bottom surface of described negative pressure platform is provided with one piece of flat glass.
The beneficial effect adopting technique scheme to produce is: in the utility model, negative pressure produces platform and is provided with even compact aperture, negative pressure is produced by vacuum pump, by a solenoid control cylinder action, make vaccum suction pipe work or stopping, be close on it to make the film be positioned on negative pressure platform and do not offset, be conducive to the accurate location of film.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of the AOI device for the detection of PCB film;
Fig. 2 is the structural representation that the utility model negative pressure produces platform;
Fig. 3 is the structural representation of negative pressure generation component in the utility model;
Fig. 4 is the structural representation of image collecting device driving mechanism in the AOI device for the detection of PCB film;
Fig. 5 is the structural representation of image collecting device in the AOI device for the detection of PCB film;
Wherein: 1, maintenance storehouse lid 2, alarm lamp 3, computing machine 4, keyboard 5, rack 6, aperture 10, X-axis guide rail 11, X-axis Timing Belt 14, X-axis servomotor 16, Y-axis Timing Belt 17, vacuum pump 18, vacuum tube 19, solenoid directional control valve 20, cylinder 21, tensimeter 22, pneumatic triple piece 23, switch valve 24, negative pressure platform 25, film positioning mark 26, basic platform 27, supporting mechanism 28, camera 29, camera lens 30, installed cassette 31, light source installing ring 32, side light source mounting bracket 33 side light source installs dull and stereotyped 34, lateral LED light source 35, ring-type LED light source 36, laser calibration module 37, laser calibration mounting bracket.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, 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 the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 2, the negative pressure that the utility model discloses a kind of AOI device for the detection of PCB film produces platform, and described negative pressure produces platform and comprises basic platform 26, supporting mechanism 27, negative pressure platform 24 and negative pressure generation component.Described basic platform 26 is positioned at bottom, the supporting mechanism 27 that negative pressure platform 24 is connected with basic platform 26 by several supports, negative pressure generation component is connected with negative pressure platform 24, for producing the power of absorption negative pressure platform under the control of computing machine 3, negative pressure platform 24 is provided with several apertures 6 and film positioning mark 25.The bottom surface of described negative pressure platform 24 is provided with one piece of flat glass, utilizes the high-flatness of flat glass to ensure the smooth of negative pressure platform.
Be illustrated in figure 1 a kind of AOI device detected for PCB film, described AOI device comprises rack 5, negative pressure produces platform, image collecting device, image collecting device driving mechanism, maintenance hatch 1 and computing machine 3.Described negative pressure produces platform and is positioned on described rack 5, for producing the negative pressure of absorption PCB film under the control of computing machine 3, described image collecting device is connected to described negative pressure by described image collecting device driving mechanism and produces on platform, for carrying out image acquisition to PCB film under the control of computing machine 3.Maintenance hatch 1 is connected with rack 5, negative pressure is produced platform and image collecting device covers in rack 5.
As shown in Figure 3, described negative pressure generation component comprises vacuum pump 17, vacuum tube 18 and electromagnetic switch valve module, and vacuum tube 18 is connected on described vacuum pump 17, and described electromagnetic switch valve module is positioned on described vacuum tube 18.Described electromagnetic switch valve module comprises solenoid directional control valve 19, cylinder 20, tensimeter 21, pneumatic triple piece 22 and switch valve 23.
As shown in Figure 4, described image collecting device driving mechanism comprises X-axis motion and Y-axis motion.Image collecting device is arranged in X-axis travel mechanism, and X-axis travel mechanism drives image collecting device to move along X-direction under control of the computer; X-axis travel mechanism is arranged in Y-axis moving mechanism, and Y-axis moving mechanism drives X-axis travel mechanism to move along Y direction under control of the computer.Described X-axis motion comprises X-axis servomotor 14, X-axis Timing Belt 11 and X-axis guide rail 10.X-axis servomotor 14 drives X-axis Timing Belt 11 to move along X-axis guide rail 10, and X-axis Timing Belt 11 is connected with image collecting device by brace, and X-axis Timing Belt 11 drives image collecting device to move along X-direction.Y-axis motion comprises Y-axis servomotor, Y-axis Timing Belt 16 and Y-axis guide rail.Y-axis driven by servomotor Y-axis Timing Belt 16 moves, drive X-axis motion along Y-axis guide rail movement, the both sides of X-axis motion are arranged on Y-axis guide rail by Y-axis slide block, and the middle part of X-axis travel mechanism is connected with Y-axis screw mandrel by feed screw nut, and Y-axis guide rails assembling is on basic platform.
As shown in Figure 5, described image collecting device is arranged on image collecting device driving mechanism by portal frame, and described image collecting device comprises camera 28, camera lens 29, installed cassette 30, light source installing ring 31, side light source mounting bracket 32, side light source installation flat board 33, lateral LED light source 34, ring-type LED light source 35, laser calibration module 36 and laser calibration mounting bracket 37.
Adopt platform based on ground marble, marble platform arranges negative pressure working platform.Negative pressure platform is provided with even compact aperture, adopts vacuum pump to produce negative pressure, by a solenoid control cylinder action, makes vaccum suction pipe work or stopping, being close on it not offseting to make the film be positioned on negative pressure platform.Negative pressure platform maintains static, be provided with image collecting device above negative pressure platform, light source and camera are all located on portal frame, and the side of portal frame is provided with by servomotor, light source and camera can, along the rectilinear orbit of portal frame, drive drag chain to move in X-direction under belt wheel transmission.Portal frame and on device overall, by driving and the toothed belt transmission of Y-axis servomotor, mobile along Y direction precision.During work, light source and camera carry out moving and accurately locating along X, Y direction under the drive of portal frame, carry out detail scans to film.Platform surrounding is provided with edge local mark, scanning area is limited in effective range.Under the irradiation of light source and the effect of reflective mirror, image shot by camera, catch image detail, and view data is transported in computing machine by video interface, the standard form graph of a correspondence data of the graph data after scanner uni image processing and storage compared by computing machine, incongruent local paper goes out defect, and member to be tested judges.
Image capture module, for taking pictures to pcb board, obtains the surface image of pcb board; Object under test is placed on image acquisition region, the coaxial light source that camera sends, ring light source and side light source three kinds of light sources are opened, for object under test provides illumination steric environment, wherein: side light source module is used for the illumination of object under test side, to improve the resolving power of camera measuring targets profile; Ring light source module is used for the illumination of object under test upper surface neighboring area, and the coaxial light source that camera sends is for illuminating the upper surface central area of object under test, and coaxial light source and ring light source are that the upper surface of object under test provides region-wide uniform illumination.After coaxial light source, ring light source and the brightness of illumination of side light source on object under test are suitable, computing machine controls camera measuring targets and takes, obtained digital picture is delivered to computing machine by camera, carries out analytical calculation by computing machine to image, obtains the case of surface defects of object under test.Laser calibration module is to object under test Emission Lasers, and for demarcating, indicating the region that camera measuring targets carries out taking, the transmit direction of laser is adjustable.
Claims (4)
1. the negative pressure of the AOI device detected for PCB film produces platform, described negative pressure produces platform and is positioned on rack (5), for producing the negative pressure of absorption PCB film under the control of computing machine (3), it is characterized in that: described negative pressure produces platform and comprises basic platform (26), supporting mechanism (27), negative pressure platform (24) and negative pressure generation component, described basic platform (26) is positioned at bottom, the supporting mechanism (27) that negative pressure platform (24) is connected with basic platform (26) by several supports, negative pressure generation component is connected with negative pressure platform (24), for producing the power of absorption negative pressure platform under the control of computing machine (3), negative pressure platform (24) is provided with several apertures (6) and film positioning mark (25).
2. the negative pressure of the AOI device for the detection of PCB film according to claim 1 produces platform, it is characterized in that: described negative pressure generation component comprises vacuum pump (17), vacuum tube (18) and electromagnetic switch valve module, vacuum tube (18) is connected on described vacuum pump (17), and described electromagnetic switch valve module is positioned on described vacuum tube (18).
3. the negative pressure of the AOI device for the detection of PCB film according to claim 2 produces platform, it is characterized in that: described electromagnetic switch valve module comprises solenoid directional control valve (19), cylinder (20), tensimeter (21), pneumatic triple piece (22) and switch valve (23).
4. the negative pressure of the AOI device for the detection of PCB film according to claim 1 produces platform, it is characterized in that: the bottom surface of described negative pressure platform (24) is provided with one piece of flat glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398038.9U CN204790311U (en) | 2015-06-10 | 2015-06-10 | A negative pressure production platform for AOI device that PCB film detected |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398038.9U CN204790311U (en) | 2015-06-10 | 2015-06-10 | A negative pressure production platform for AOI device that PCB film detected |
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| CN204790311U true CN204790311U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520398038.9U Expired - Fee Related CN204790311U (en) | 2015-06-10 | 2015-06-10 | A negative pressure production platform for AOI device that PCB film detected |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113495436A (en) * | 2021-07-13 | 2021-10-12 | 许小娥 | Photoetching machine for intelligently manufacturing photoelectronic elements |
-
2015
- 2015-06-10 CN CN201520398038.9U patent/CN204790311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113495436A (en) * | 2021-07-13 | 2021-10-12 | 许小娥 | Photoetching machine for intelligently manufacturing photoelectronic elements |
| CN113495436B (en) * | 2021-07-13 | 2023-12-29 | 江门市和盈新材料科技有限公司 | Photoetching machine for intelligent manufacture of optoelectronic element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |