CN218272012U - PCBA rubber coating intelligence visual detection equipment - Google Patents
PCBA rubber coating intelligence visual detection equipment Download PDFInfo
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- CN218272012U CN218272012U CN202122010761.3U CN202122010761U CN218272012U CN 218272012 U CN218272012 U CN 218272012U CN 202122010761 U CN202122010761 U CN 202122010761U CN 218272012 U CN218272012 U CN 218272012U
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Abstract
The utility model relates to a PCBA gluing intelligent visual detection device, which comprises a camera data acquisition module for acquiring PCBA images in real time, wherein the camera data acquisition module is connected with a data processing computer; the ultraviolet annular light source is used for illuminating the gluing layer and emitting ultraviolet rays; the area array light source is used for illuminating the surface of the PCBA and emitting common white light; the light source driver is respectively connected with the ultraviolet annular light source and the area array light source, the light source driver is connected with the data processing computer, and the data processing computer controls the light source driver to enable the ultraviolet annular light source and the area array light source to be lightened; the control driver is in control connection with the rotating platform and is connected with the data processing computer; the mechanical arm is used for classifying the PCBA, the mechanical arm is connected with the data processing computer, the data processing computer analyzes and judges the gluing quality of the PCBA, and the PCBA is classified by controlling the mechanical arm. Automatic control, detection precision and efficiency are all higher.
Description
Technical Field
The utility model relates to a PCBA rubber coating intelligence visual detection equipment.
Background
In the surface treatment field of PCBA, the gluing is used as an effective surface treatment mode, so that the moisture-proof and dust-proof capabilities of the PCBA are greatly improved, and the PCBA is more and more widely applied. The quality of the glue coating directly affects the final quality of the product, so the detection of the quality of the glue coating is a key detection procedure. The gluing is to ensure that not only is the coating completely applied, but also that areas which are not to be coated are not coated, and areas which cannot be coated are: areas that need electrical connections, such as gold pads, gold fingers, metal vias, test holes, etc., as well as heat sinks, lenses for optical devices. Therefore, the PCBA gluing detection not only needs to detect the area of the PCBA needing gluing, but also needs to detect whether the area without gluing has the condition of glue overflow.
As a plurality of glues are transparent and colorless or light-colored, fluorescent agents are added into the glues during detection, and a UV light source is matched for color development. In the gluing process, the thickness unevenness possibly exists, the phenomenon of air bubble and glue overflow is caused in the gluing process, the air bubble exists in the glue layer or the glue layer is not completely solidified according to the original production process in the subsequent ultraviolet curing process, the traditional inspection method needs an inspector to pick up a product and place the product under a UV light source for checking, and the manual inspection mainly has the following defects: on the one hand, the UV light source has harm to human eyes and skin; secondly, the detection efficiency is very low; and the phenomenon of missed judgment and wrong judgment is easy to occur.
Therefore, it is necessary to design an automatic detection device for PCBA gluing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a PCBA rubber coating intelligence visual detection equipment.
The purpose of the utility model is realized through the following technical scheme:
PCBA rubber coating intelligence visual detection equipment, characteristics are: comprises
The camera data acquisition module is used for acquiring PCBA images in real time and is connected with the data processing computer through a GigE interface, and a lens for optical imaging is arranged at the front end of the camera data acquisition module;
the ultraviolet annular light source is used for illuminating the glue coating layer, and emits ultraviolet rays to generate a fluorescent effect with fluorescent powder in glue coated on the surface of the PCBA, so that the glued part of the PCBA emits blue light;
the area array light source is used for illuminating the surface of the PCBA, emitting common white light, and the glue coated on the surface of the PCBA under the irradiation of the common white light is transparent, so that the PCBA is in the original state;
the light source driver is used for driving the ultraviolet annular light source and the area array light source, the light source driver is respectively connected with the ultraviolet annular light source and the area array light source, the light source driver is connected with the data processing computer through a serial port bus, and the data processing computer controls the light source driver to enable the ultraviolet annular light source and the area array light source to be lightened according to specific brightness at specific time;
the control driver is connected with the data processing computer, and the camera data acquisition module acquires pictures in multiple directions;
the mechanical arm is used for classifying the PCBA, the mechanical arm is connected with the data processing computer, the data processing computer analyzes and judges the gluing quality of the PCBA, and the PCBA is classified by controlling the mechanical arm.
Further, in the above PCBA gluing intelligent visual inspection device, the camera data acquisition module is a color camera of type A3B00M/CG000, the type is CMOS, and the resolution is 5472 × 3648; the lens installed at the front end is a lens with the model number of MT2528X, the focal length of the lens is 25mm, and the interface is C-Mount.
Further, the PCBA gluing intelligent visual detection equipment is characterized in that the ultraviolet annular light source is a JL-AR12030-UV ultraviolet annular light source.
Further, the PCBA gluing intelligent visual detection equipment is characterized in that the area array light source is an area array light source with the model number of JL-BRL-100 x 100.
Further, the PCBA gluing intelligent visual detection device is characterized in that the light source driver is a JL-APS-2424-2 light source driver.
Further, above-mentioned PCBA rubber coating intelligence visual inspection equipment, wherein, the arm is the multi-joint robot of model YK120 XG.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
(1) the utility model relates to a novelty, function are unique, and the PCBA image is gathered in real time to camera data acquisition module, and ultraviolet annular light source illuminates the rubber coating layer, and the area array light source illuminates the PCBA surface, and under the UV light shines, the blue light takes place for the fluorescence composition in the glue, gathers the product image through the camera with certain angle to cooperate rotary platform to diversely shoot the PCBA product, obtain many pictures of PCBA product, image data transmits to the data processing computer, judges the quality of rubber coating quality, and control mechanical arm is categorised to the PCBA;
(2) based on the machine vision technology, the appearance picture of the product is collected, the quality of the product is judged, the detection precision is high, the vision detection equipment adopts the machine vision technology to detect the image based on the industrial camera, the system is automatically controlled, the error is extremely small, and the detection error caused by fatigue of people is avoided;
(3) the device can operate continuously for 24 hours, has high detection efficiency, can detect more than 10 sheets per minute, and can only detect about 3 sheets per minute manually.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
FIG. 1: the utility model discloses the structure schematic diagram of device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, PCBA rubber coating intelligent visual inspection equipment contains: the system comprises a camera data acquisition module 1 for acquiring PCBA images in real time, wherein the camera data acquisition module 1 is connected with a data processing computer 5 through a GigE interface, and the front end of the camera data acquisition module 1 is provided with a lens for optical imaging;
the ultraviolet annular light source 2 for illuminating the glue coating layer emits ultraviolet rays which generate a fluorescent effect with fluorescent powder in glue coated on the surface of the PCBA, so that the glued part of the PCBA emits blue light;
the area array light source 3 for illuminating the surface of the PCBA emits common white light, and the glue coated on the surface of the PCBA under the illumination of the common white light is transparent, so that the PCBA is in the original condition;
the light source driver 4 is used for driving the ultraviolet annular light source 2 and the area array light source 3, the light source driver 4 is respectively connected with the ultraviolet annular light source 2 and the area array light source 3, the light source driver 4 is connected with the data processing computer 5 through a serial port bus, and the data processing computer 5 controls the light source driver 4 to enable the ultraviolet annular light source 2 and the area array light source 3 to be lightened according to specific brightness at specific time;
a rotary platform 6 for rotating the PCBA, a control driver 7 is in control connection with the rotary platform 6, and the control driver 7 is connected with the data processing computer 5; the camera data acquisition module 1 acquires pictures in multiple directions to acquire multiple PCBA pictures, so that the PCBA gluing quality condition can be conveniently analyzed, and the accurate posture of the PCBA is obtained;
the mechanical arm 8 is used for PCBA classification, and the mechanical arm 8 is connected with the data processing computer 5; the data processing computer 5 analyzes and judges the PCBA gluing quality, and classifies the PCBA by controlling the mechanical arm 8.
When the camera data acquisition module 1 is specifically designed, the model is A3B00M/CG000, the model is CMOS, and the resolution is 5472X 3648; the lens mounted at the front end is a lens with the model number of MT2528X, the focal length of the lens is 25mm, and the interface is C-Mount.
The ultraviolet annular light source 2 is an ultraviolet annular light source with the model number JL-AR 12030-UV.
The area array light source 3 is an area array light source with the model number of JL-BRL-100 x 100.
The light source driver 4 is a light source driver of model JL-APS-2424-2.
The robot arm 8 is a multi-joint robot of model YK120 XG.
The data processing computer 5 is provided with visual processing algorithm halcon software of MVTec company and has functional modules of image acquisition, image preprocessing, image segmentation, morphological processing, feature extraction, result output and the like. The image acquisition module is used for configuring a camera hardware drive to acquire a real-time image; the image preprocessing module refers to the preliminary processing of the image, such as: increasing the brightness of the image, enabling the pixels to be brighter and darker, and sharpening the image; the image segmentation module is used for finding the interested region, namely: acquiring an area to be processed; the morphology processing module comprises expansion, corrosion, opening operation and opening operation; the feature extraction module comprises the steps of identifying and positioning images; and judging whether the gluing is defective or not according to the detected brightness of the gluing area by using a visual processing algorithm halcon software, if the brightness of the non-gluing area is too high, the surface has a glue overflow phenomenon, the defective part is marked, and the poor PCBA is removed by the mechanical arm 8.
During specific application, a PCBA product is placed on the rotating platform 6, the ultraviolet annular light source 2 and the array light source 3 are located on the rotating platform and face the PCBA product, the camera data acquisition module 1 shoots pictures towards the PCBA product, and the mechanical arm 8 is located beside the rotating platform 6 and used for grabbing and classifying the PCBA product;
the PCBA image is gathered in real time to camera data acquisition module 1, the rubber coating layer is illuminated to ultraviolet annular light source 2, area array light source 3 illuminates the PCBA surface, under the UV light shines, blue light takes place for the fluorescence composition in the glue, gather through the camera with certain angle and draw the product image, and cooperation rotary platform 6 is diversified the shooting to the PCBA product, obtain many pictures of PCBA product, the image data transmission who acquires is to data processing computer 5, data processing computer 5 utilizes halcon software to judge the quality of rubber coating quality, and then control arm 8 is to PCBA product classification.
Based on the machine vision technology, the appearance picture of the product is collected, the quality of the product is judged, the detection precision is high, the vision detection equipment adopts the machine vision technology to detect the image based on the industrial camera, the system is automatically controlled, the error is extremely small, and the detection error caused by fatigue of people is avoided;
the device can operate continuously for 24 hours, has high detection efficiency, can detect more than 10 sheets per minute, and can only detect about 3 sheets per minute manually.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Claims (6)
- PCBA rubber coating intelligence visual detection equipment, its characterized in that: comprisesThe system comprises a camera data acquisition module (1) for acquiring PCBA images in real time, wherein the camera data acquisition module (1) is connected with a data processing computer (5) through a GigE interface, and the front end of the camera data acquisition module (1) is provided with a lens for optical imaging;the ultraviolet annular light source (2) is used for illuminating the glue coating layer, and emits ultraviolet rays to generate a fluorescent effect with fluorescent powder in glue coated on the surface of the PCBA, so that the glued part of the PCBA emits blue light;the area array light source (3) is used for illuminating the surface of the PCBA, emits common white light, and the glue coated on the surface of the PCBA under the illumination of the common white light is transparent, so that the PCBA is in the original condition;the light source driver (4) is used for driving the ultraviolet annular light source (2) and the area array light source (3), the light source driver (4) is respectively connected with the ultraviolet annular light source (2) and the area array light source (3), the light source driver (4) is connected with the data processing computer (5) through a serial port bus, and the data processing computer (5) controls the light source driver (4) to enable the ultraviolet annular light source (2) and the area array light source (3) to be lightened;the system comprises a rotating platform (6) used for rotating the PCBA, a control driver (7) is in control connection with the rotating platform (6), the control driver (7) is connected with a data processing computer (5), and a camera data acquisition module (1) acquires pictures in multiple directions;the mechanical arm (8) is used for classifying the PCBA, the mechanical arm (8) is connected with the data processing computer (5), the data processing computer (5) analyzes and judges the PCBA gluing quality, and the PCBA is classified by controlling the mechanical arm (8).
- 2. PCBA gluing intelligent visual inspection device according to claim 1, characterized in that: the camera data acquisition module (1) is a color camera with the model number of A3B00M/CG000, the type of the camera is CMOS, and the resolution is 5472 x 3648; the lens mounted at the front end is a lens with the model number of MT2528X, the focal length of the lens is 25mm, and the interface is C-Mount.
- 3. PCBA gluing intelligent visual detection equipment according to claim 1, characterized in that: the ultraviolet annular light source (2) is an ultraviolet annular light source with the model number of JL-AR 12030-UV.
- 4. PCBA gluing intelligent visual detection equipment according to claim 1, characterized in that: the area array light source (3) is an area array light source with the model number of JL-BRL-100 x 100.
- 5. PCBA gluing intelligent visual inspection device according to claim 1, characterized in that: the light source driver (4) is a light source driver with the model number of JL-APS-2424-2.
- 6. PCBA gluing intelligent visual inspection device according to claim 1, characterized in that: the mechanical arm (8) is a multi-joint robot with the model number of YK120 XG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122010761.3U CN218272012U (en) | 2021-08-25 | 2021-08-25 | PCBA rubber coating intelligence visual detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122010761.3U CN218272012U (en) | 2021-08-25 | 2021-08-25 | PCBA rubber coating intelligence visual detection equipment |
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| Publication Number | Publication Date |
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| CN218272012U true CN218272012U (en) | 2023-01-10 |
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| CN202122010761.3U Active CN218272012U (en) | 2021-08-25 | 2021-08-25 | PCBA rubber coating intelligence visual detection equipment |
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| CN (1) | CN218272012U (en) |
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- 2021-08-25 CN CN202122010761.3U patent/CN218272012U/en active Active
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