CN211783613U - Cell-phone camera glass visual detection system - Google Patents
Cell-phone camera glass visual detection system Download PDFInfo
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- CN211783613U CN211783613U CN202020701849.2U CN202020701849U CN211783613U CN 211783613 U CN211783613 U CN 211783613U CN 202020701849 U CN202020701849 U CN 202020701849U CN 211783613 U CN211783613 U CN 211783613U
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Abstract
The utility model relates to a cell-phone camera glass visual detection system, including visual detection equipment and have the computer that carries out the algorithm handled to the image, visual detection equipment includes the workstation, sets up at the ring slide rail at workstation border and sets gradually each detection station mechanism on the workstation. The utility model adopts the feeding and discharging mechanical arm and the visual detection equipment which integrates all detection stations on one equipment to carry out detection, thus really realizing full-automatic detection; in addition, each detection station ensures that the defects of the glass of the mobile phone camera are comprehensively detected, and no dead angle is detected; the detection efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the visual detection technique and specifically relates to a cell-phone camera glass visual detection system.
Background
The rapid development of the mobile phone industry brings mass production of mobile phone camera glass, and the defects of products caused by no tiny defects are avoided in the production process of the mobile phone camera glass. In the early stage, a large number of operators are adopted to manually detect the glass of the camera of the mobile phone, and the quality is judged manually, so that misjudgment and time waste are easily caused; and dimensional measurements cannot be detected by the naked eye. With the increase in labor costs and the development of new technologies, it has been a trend to use machine inspection instead of human labor. However, at present, the detection is still in a stage of manual and machine detection, and full-automatic detection is not used, so that a visual detection system for mobile phone camera glass is urgently needed to be developed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provides a visual detection system for a mobile phone camera glass, which overcomes the defects in the prior art.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a cell-phone camera glass visual detection system, includes visual detection equipment and has the computer that carries out the algorithm of handling to the image, visual detection equipment includes the workstation, sets up at the annular slide rail at workstation border and set gradually material loading machine, lateral wall detection mechanism, first positive and negative detection mechanism, upper surface detection mechanism, second positive and negative detection mechanism, lower surface detection mechanism, upper surface becket colour detection mechanism, size face detection mechanism and blanking machine on the workstation.
Further inject, lateral wall detection mechanism is including transferring manipulator, rotatory carrier, line sweep camera, camera lens and light source, and rotatory carrier is offered for the upper surface and places the spacing groove of waiting to detect cell-phone camera glass, and the bottom of spacing groove is provided with a plurality of through-holes, and the through-hole sub-unit connection negative pressure device.
Further limiting, the first front and back side detection mechanism is provided with an upper group of acquisition devices and a lower group of acquisition devices, and the upper group of acquisition devices and the lower group of acquisition devices both comprise a linear array camera and a light source; the secondary front and back side detection mechanism is also provided with an upper group of acquisition devices and a lower group of acquisition devices, and the upper group of acquisition devices comprise a linear array camera and a light source; the lower group of acquisition devices comprises two linear array cameras and a light source.
Further, the upper surface detection mechanism and the lower surface detection mechanism respectively comprise an area-array camera, a lens and an annular light source.
Further defined, the upper surface metal ring color detection mechanism comprises an area-array camera, a lens and an arched light source.
Further inject, the material loading includes material loading manipulator, is equipped with product suction head and carrier frame suction head on the material loading manipulator.
Further inject, the blanking machine includes the unloading manipulator, is equipped with product suction head and carrier frame suction head on the unloading manipulator.
The detection method comprises the following operation steps:
firstly, feeding: moving a plurality of mobile phone camera glasses to be detected, which are arranged in a carrier frame, onto an annular slide rail of visual detection equipment by adopting a feeding manipulator;
secondly, detection:
(1) side wall detection: the carrier frame is conveyed to the side wall detection station through the annular rail, the control system starts a transfer manipulator on the visual detection equipment, the mobile phone camera glass to be detected in the carrier frame is transferred to the rotary carrier one by one, the rotary carrier rotates, meanwhile, the line scanning camera collects side wall images of the mobile phone camera glass to be detected, and after the collection is finished, the mobile phone camera glass to be detected is reset into the carrier frame of the annular slide rail through the transfer manipulator;
(2) primary front and back detection: the carrier frame detected in the step (1) is transmitted to a first front and back detection station through an annular rail, a control system starts a clamping device on the station to clamp the carrier frame, an upper group of acquisition devices and a lower group of acquisition devices acquire images of the upper surface and the lower surface of the mobile phone camera glass to be detected in the carrier frame, the acquisition devices are not moved, and the carrier frame is sequentially moved to take pictures according to a row;
(3) and (3) upper surface detection: the carrier frame detected in the step (2) is transmitted to an upper surface detection station through an annular rail, a control system starts a clamping device on the station to clamp the carrier frame, an annular light source irradiates the carrier frame positioned at the lower part of the annular light source, meanwhile, an area array camera collects upper surface images of the mobile phone camera glass to be detected in the carrier frame, and the area array camera moves in sequence according to the rows on the carrier frame;
(4) and (3) secondary front and back detection: the carrier frame detected in the step (3) is transmitted to a secondary front and back detection station through an annular rail, a control system starts a clamping device on the station to clamp the carrier frame, an upper group of acquisition devices and a lower group of acquisition devices acquire images of the upper surface and the lower surface of the mobile phone camera glass to be detected in the carrier frame, the acquisition devices are not moved, and the carrier frame moves transversely to take a picture;
(5) and (3) detecting the lower surface: the carrier frame detected in the step (4) is transmitted to a lower surface detection station through an annular rail, a control system starts a clamping device on the station to clamp the carrier frame, an annular light source irradiates the carrier frame on the upper portion of the annular light source, meanwhile, an area array camera collects lower surface images of the mobile phone camera glass to be detected in the carrier frame, the area array camera is fixed, and the carrier frame moves transversely to take a flyshot;
(6) and (3) detecting the color of the upper surface metal ring: the carrier frame detected in the step (5) is transmitted to an upper surface metal ring color detection position through an annular rail, a control system starts a clamping device on the station to clamp the carrier frame, an arched light source irradiates the carrier frame on the upper portion of the arched light source, meanwhile, an area array camera collects an upper surface metal ring area image of the mobile phone camera glass to be detected in the carrier frame, the area array camera is fixed, and the carrier frame moves transversely to take a flyshot;
(7) and (3) size surface detection: the carrier frame detected in the step (6) is transmitted to a size surface detection station through an annular rail, a control system starts a clamping device on the station to clamp the carrier frame, a backlight source irradiates the carrier frame positioned at the lower part of the backlight source, meanwhile, a camera collects surface images of the mobile phone camera glass to be detected in the carrier frame, and the camera moves transversely;
thirdly, image processing: inputting the images acquired in the steps (2) to (6) in the step (II) into a computer, processing the images according to the image requirements required by different types of defects to obtain defect images, judging which specific mobile phone camera glasses have defects, and taking out the mobile phone camera glasses through a manipulator;
fourthly, blanking: and (4) moving the defect-free mobile phone camera glass arranged in the carrier frame into a packaging box by adopting a blanking manipulator.
Further, the collecting device in the step (2) in the second step comprises a line camera and a light source.
Further, in the step (two), the upper group of collecting devices in the step (4) comprises two line cameras and a light source, and the lower group of collecting devices comprises two line cameras and a light source.
The utility model has the advantages that the defects in the background technology are overcome, the feeding and discharging mechanical arms and the visual detection equipment which integrates all detection stations on one equipment are adopted for detection, and the full-automatic detection of the camera glass of the mobile phone is really realized; in addition, each detection station ensures the comprehensive detection of the defects of the glass of the mobile phone camera, and ensures no dead angle in detection; the detection efficiency is high, and the labor cost is saved.
Drawings
Fig. 1 is a schematic block diagram of the method of the present invention.
Fig. 2 is a diagram showing the operation of the image acquisition at each station in the method of the present invention.
Fig. 3 is a schematic diagram of the system of the present invention.
Fig. 4 is a schematic structural diagram of the side wall detection mechanism in the system of the present invention.
Fig. 5 is a schematic structural diagram of the rotary carrier in fig. 3.
Fig. 6 is a schematic structural view of the first front and back side detection mechanism in the system of the present invention.
Fig. 7 is a schematic structural view of the second positive and negative detection mechanism in the system of the present invention.
Fig. 8 is a schematic structural view of the upper and lower surface detection mechanisms in the system of the present invention.
Fig. 9 is a schematic structural diagram of the color detection mechanism of the upper surface metal ring in the system of the present invention.
Fig. 10 is a schematic structural diagram of the feeding/discharging machine in the system of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-10, a visual inspection system for mobile phone camera glass, a visual inspection device and a computer with an algorithm for processing images, wherein the main mechanical structure of the visual inspection device comprises a workbench 1, an annular slide rail arranged at the edge of the workbench 1, a feeding machine 10 arranged on the workbench, a side wall detection mechanism 2, a first front and back detection mechanism 3, an upper surface detection mechanism 4, a lower surface detection mechanism 4, a second front and back detection mechanism 5, an upper surface metal ring color detection mechanism 7, a size surface detection mechanism 8 and a blanking machine 9.
As shown in fig. 4, the side wall detecting mechanism 2 includes a transfer robot, a rotary carrier 21, a line scan camera 22, a lens 23, and a light source 24; as shown in fig. 5, the rotary carrier 21 has a limiting groove 211 on the upper surface for placing the glass of the camera of the mobile phone to be detected, the bottom of the limiting groove 211 is provided with a plurality of through holes 212, and the lower portion of the through holes is connected to the negative pressure device.
The manipulator puts the object to be measured on the rotary carrier, the clearance between the object to be measured and the rotary carrier is made to be +/-0.02 mm, and the vacuum suction is carried out after the material is put, so that the rotation concentricity of the object to be measured and the rotary carrier can be consistent during drawing, and the picture quality can be ensured; meanwhile, the rotating speed is 4 revolutions per second, every time the rotary carrier rotates to acquire the images, the acceleration process, the uniform speed process and the deceleration process are carried out, the rotary carrier only needs to rotate for 2 circles and acquires the images in the uniform speed process, the CT can be guaranteed, the defects are detected comprehensively, no dead angle is detected, the detection rate is high, and the efficiency is high.
As shown in fig. 6, the first front-back side detection mechanism 3 has an upper and a lower two sets of collecting devices, both of which include a line-scan camera 31 and a light source 32; as shown in fig. 7, the second front-back side detecting mechanism 5 also has an upper and a lower group of collecting devices, and the upper group of collecting devices includes a line-scan camera and a light source; the lower group of acquisition devices comprises two linear array cameras and a light source.
As shown in fig. 8, the upper and lower surface detection mechanisms 4 each include an area-array camera, a lens, and a ring light source.
As shown in fig. 9, the upper surface metal ring color detection mechanism 7 includes an area-array camera, a lens, and an arched light source.
As shown in fig. 10, the feeding machine 10 includes a feeding manipulator 101, a product suction head and a carrier frame suction head are provided on the feeding manipulator 101, and the blanking machine 9 and the feeding machine 10 have the same structure.
The detection method comprises the following steps:
firstly, moving 24 pieces of mobile phone camera glass to be detected, which is arranged in a carrier frame, to an annular slide rail of visual detection equipment by adopting a feeding manipulator;
the carrier frame is conveyed to the side wall detection station through the annular rail, the control system starts a transfer manipulator on the visual detection equipment, the mobile phone camera glass to be detected in the carrier frame is transferred to the rotary carrier one by one, the rotary carrier rotates, meanwhile, the line scan camera collects side wall images of the mobile phone camera glass to be detected, and after the collection is completed, the mobile phone camera glass to be detected is reset into the carrier frame of the annular slide rail through the transfer manipulator (as shown in a figure 1, 13-13 → 12-12 → 14-14 → 11-11 → 15-15 → 10-10 → 16 → 09-09 → 17-17 → 08-08 → 18-18 → 07 → 19-19 → 06-06 → 20-20 → 05-21 → 04-04 → 22 → 03-03 → 23-23 → 02-02 → 24-24 → 01-01 in figure 2);
the carrier frame is transmitted to a first front and back detection station through the annular rail, the control system starts a clamping device on the station to clamp the carrier frame, the upper and lower groups of collecting devices collect the upper and lower surface images of the mobile phone camera glass to be detected in the carrier frame, the collecting devices are not moved, and the carrier frame moves to take pictures in sequence (as a 2 nd picture in fig. 2, 01/02 → 24/23 → 21/22 → 03/04 → 05/06 → 20/19 → 18/17 → 07/08 → 09/10 → 16/15 → 14/13 → 11/12);
the carrier frame is conveyed to the upper surface detection station through the annular rail, the control system starts a clamping device on the station to clamp the carrier frame, the annular light source irradiates the carrier frame positioned at the lower part of the annular light source, meanwhile, the area array camera collects upper surface images of the mobile phone camera glass to be detected in the carrier frame, and the area array camera moves in sequence according to the rows on the carrier frame (as the 3 rd figure in figure 2: 01 → 02 → 03 → 04 → 05 → 06 → 07 → 08 → 09 → 10 → 11 → 12 → 13 → 14 → 15 → 16 → 17 → 18 → 19 → 20 → 21 → 22 → 23 → 24);
the carrier frame is transmitted to the second front and back side detection station through the annular rail, the control system starts the clamping device on the station to clamp the carrier frame, the upper and lower groups of collecting devices collect the upper and lower surface images of the mobile phone camera glass to be detected in the carrier frame, the collecting devices are not moved, and the carrier frame moves transversely to take a picture (as the 4 th picture in fig. 2, 01/24 → 02/23 → 03/22 → 04/21 → 05/20 → 06/19 → 07/18 → 08/17 → 09/16 → 10/15 → 11/14 → 12/13);
the carrier frame is transmitted to a lower surface detection station through the annular rail, the control system starts a clamping device on the station to clamp the carrier frame, the annular light source irradiates the carrier frame on the upper part of the annular light source, meanwhile, the area array camera collects lower surface images of the mobile phone camera glass to be detected in the carrier frame, the area array camera is fixed, and the carrier frame moves transversely to take a flyshot (as the 5 th picture in figure 2, 01/24 → 02/23 → 03/22 → 04/21 → 05/20 → 06/19 → 07/18 → 08/17 → 09/16 → 10/15 → 11/14 → 12/13);
the carrier frame is conveyed to the upper surface metal ring color detection station through the annular rail, the control system starts a clamping device on the station to clamp the carrier frame, the arched light source irradiates the carrier frame positioned on the upper part of the arched light source, meanwhile, the area array camera collects the upper surface metal ring area image of the mobile phone camera glass to be detected in the carrier frame, the area array camera is fixed, and the carrier frame moves transversely to perform flying shooting (as the 6 th picture in fig. 2: 01/24 → 02/23 → 03/22 → 04/21 → 05/20 → 06/19 → 07/18 → 08/17 → 09/16 → 10/15 → 11/14 → 12/13);
the carrier frame is conveyed to a size surface detection station through the annular rail, the control system starts to see a clamping device on the station to clamp the carrier frame, the backlight source irradiates the carrier frame positioned at the lower part of the station, and meanwhile, the camera collects surface images of the mobile phone camera glass to be detected in the carrier frame and moves transversely (as shown in the 7 th figure in figure 2, 014 → 023 → 03 → 04 → 05 → 06 → 07 → 08 → 09 → 10 → 11 → 12);
inputting the images into a computer, processing the images according to image requirements required by different types of defects to obtain defect images, judging which specific mobile phone camera glass has defects according to the defect images, and taking out the mobile phone camera glass through a manipulator; and (4) moving the defect-free mobile phone camera glass arranged in the carrier frame into a packaging box by adopting a blanking manipulator.
The side wall detection station detects the abrasion condition of the side wall of the mobile phone camera glass, the first front and back detection station detects the scratch condition of the upper and lower surfaces of the mobile phone camera glass, the upper surface detection station detects the white edge condition of the upper surface of the mobile phone camera glass, the second front and back detection station detects the white point condition of the upper and lower surfaces of the mobile phone camera glass, the lower surface detection station detects the white edge condition of the lower surface of the mobile phone camera glass, the upper surface metal ring color detection station detects the glue overflow and TRIM difference condition of the upper surface of the mobile phone camera glass, and the size surface detection station detects the coaxiality and backlight condition of the mobile phone camera glass. Therefore, the seven stations really realize full-automatic and comprehensive detection of the glass of the camera of the mobile phone, and no related technology is disclosed at present.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (7)
1. The utility model provides a cell-phone camera glass visual detection system which characterized in that: including visual detection equipment and have the computer to the algorithm that the image was handled, visual detection equipment includes the workstation, sets up at the annular slide rail of workstation border and sets up material loading machine, lateral wall detection mechanism, first positive and negative detection mechanism, upper surface detection mechanism, second positive and negative detection mechanism, lower surface detection mechanism, upper surface becket colour detection mechanism, size face detection mechanism and blanking machine on the workstation.
2. The visual inspection system for mobile phone camera glass according to claim 1, wherein: the side wall detection mechanism comprises a transfer manipulator, a rotary carrier, a line scanning camera, a lens and a light source, wherein the rotary carrier is provided with a limiting groove for placing the glass of the mobile phone camera to be detected on the upper surface, the bottom of the limiting groove is provided with a plurality of through holes, and the lower part of each through hole is connected with a negative pressure device.
3. The visual inspection system for mobile phone camera glass according to claim 1, wherein: the first front and back side detection mechanism is provided with an upper group of acquisition devices and a lower group of acquisition devices, and the upper group of acquisition devices and the lower group of acquisition devices both comprise linear array cameras and light sources; the secondary front and back side detection mechanism is also provided with an upper group of acquisition devices and a lower group of acquisition devices, and the upper group of acquisition devices comprise a linear array camera and a light source; the lower group of acquisition devices comprises two linear array cameras and a light source.
4. The visual inspection system for mobile phone camera glass according to claim 1, wherein: the upper surface detection mechanism and the lower surface detection mechanism respectively comprise an area-array camera, a lens and an annular light source.
5. The visual inspection system for mobile phone camera glass according to claim 1, wherein: the upper surface metal ring color detection mechanism comprises an area-array camera, a lens and an arched light source.
6. The visual inspection system for mobile phone camera glass according to claim 1, wherein: the material loading includes material loading manipulator, is equipped with product suction head and carrier frame suction head on the material loading manipulator.
7. The visual inspection system for mobile phone camera glass according to claim 1, wherein: the blanking machine comprises a blanking mechanical arm, and a product suction head and a carrier frame suction head are arranged on the blanking mechanical arm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020701849.2U CN211783613U (en) | 2020-04-30 | 2020-04-30 | Cell-phone camera glass visual detection system |
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| CN202020701849.2U CN211783613U (en) | 2020-04-30 | 2020-04-30 | Cell-phone camera glass visual detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380579A (en) * | 2020-04-30 | 2020-07-07 | 征图新视(江苏)科技股份有限公司 | Visual detection method and system for mobile phone camera glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380579A (en) * | 2020-04-30 | 2020-07-07 | 征图新视(江苏)科技股份有限公司 | Visual detection method and system for mobile phone camera glass |
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