CN208555095U - A kind of refractive body surface detection apparatus based on machine vision - Google Patents
A kind of refractive body surface detection apparatus based on machine vision Download PDFInfo
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- CN208555095U CN208555095U CN201820525660.5U CN201820525660U CN208555095U CN 208555095 U CN208555095 U CN 208555095U CN 201820525660 U CN201820525660 U CN 201820525660U CN 208555095 U CN208555095 U CN 208555095U
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- transport mechanism
- video camera
- manipulator
- detection device
- refractive body
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Abstract
The utility model relates to a kind of refractive body surface detection apparatus based on machine vision.The detection device includes transport mechanism, photoelectricity door bracket, video camera, manipulator and photoelectric sensor, the transport mechanism, photoelectricity door bracket, video camera and manipulator are set in turn in above the transport mechanism, and the photoelectric sensor is set on the photoelectricity door bracket；The quantity of the video camera is at least 2, the two sides that at least two video camera is symmetrically disposed on the transport mechanism obliquely make the video camera optical axis and the transport mechanism direction of transfer at angle.Refractive body surface detection apparatus provided by the utility model based on machine vision tilts imaging technique using the image of video camera and application deflection principle, it can effectively check the defect on refractive body surface, to obtain defect image and be sorted by multi-spindle machining hand, the final automation for realizing refractive body detection.
Description
Technical field
The utility model belongs to field of computer technology, more particularly, to a kind of reflective body surface based on machine vision
Face detection device.
Background technique
Machine vision is a complex art, including image procossing, mechanical engineering technology, control, electric source lighting, optics
Imaging, sensor, simulation and digital video technology, computer hardware technique.Nowadays, China is just becoming world's machine vision and is sending out
One of most active area is opened up, application range covers industry, agricultural, medicine, military affairs, space flight, meteorology, astronomy, public security, friendship
The various industries of the national economy such as logical, safety, scientific research.The existing all kinds of detection systems based on machine vision, for metal, medicine
The detection techniques such as ball, vehicle are quite mature, and the mirror surface and ceramic material bigger for detection reflectance, and observer will not
See surface itself, but see the mirror image of environment, detection system is difficult to quick recognition imaging.This is to most of Surface testing sides
Method (such as triangulation or shadow shapes) proposes significant problem, because these methods often rely on diffusing reflection.Next-generation 5G
The communication of mobile phone is by using the frequency spectrum of 3Ghz or more, and the wavelength of millimeter wave is very short, and the interference from metal is very severe, metal
Casing material is difficult to be applicable in.Ceramic material has that no signal shielding, hardness are high, perception is strong and close to metal material excellent heat radiation
The features such as important selection as 5G hand set machine shell.Zirconia ceramics is more crisp, and small defect or slight strain will lead to
Great mechanical stress, needs to take the detection of bulk sample product thus in production process, machine vision technique is automatic checkout equipment
Inevitable demand.The features such as ceramic mobile phone rear cover, Yi Fanguang and smaller defect, puts forward higher requirements Machine Vision Detection.
Therefore, developing a kind of 5G mobile phone ceramics back shroud surface detection apparatus based on machine vision has important research
Meaning and application value.
Summary of the invention
The purpose of the utility model is to overcome detection systems in the prior art to be difficult to quickly identify to ceramic mobile phone rear cover
The shortcomings and deficiencies of imaging provide a kind of refractive body surface detection apparatus based on machine vision.Inspection provided by the utility model
The image on higher-quality refractive body surface can be obtained by surveying device, and the machine vision on refractive body surface is efficiently and rapidly examined in realization
It surveys.
For the purpose for realizing above-mentioned utility model, the utility model adopts the following technical solution:
A kind of refractive body surface detection apparatus based on machine vision, including transport mechanism, photoelectricity door bracket, video camera,
Manipulator and photoelectric sensor, the transport mechanism, photoelectricity door bracket, video camera and manipulator are set in turn in the conveyer
Above structure, the photoelectric sensor is set on the photoelectricity door bracket；The quantity of the video camera is at least 2, it is described extremely
The two sides that few 2 video cameras are symmetrically disposed on the transport mechanism obliquely make the optical axis and the conveyer of the video camera
The direction of transfer of structure is at angle.
Transport mechanism in detection device provided by the utility model is for being transmitted refractive body；Photoelectric sensor is used
Pass through in induction refractive body, by conditions such as the transmission speeds and transmitting range of its induction and conveyer belt, any moment can be obtained
The position (or a certain specific refractive body reach a certain place needed for time) of a certain specific refractive body；2 are symmetrically taken the photograph
Camera is obliquely installed for carrying out comprehensive lasting camera shooting to refractive body, and due to using, which, which can be used, is inclined to
As technology to effectively avoid the reflective problem of refractive body, clearly image is obtained, using image processing techniques, and then to refractive body
Defective locations and size be accurately positioned；Manipulator is transported for sorting to defective refractive body to it
Its position.The mating reaction of photoelectric sensor, video camera and manipulator etc., a certain defective refractive body can be carried out identification and
Positioning, the final automation for realizing refractive body detection.
The refractive body of the utility model meaning refers to the bigger mirror surface of reflectance (such as glass) and ceramic material.
In addition, the size and location that the utility model obtains defect using acquired image is one in the prior art
The more skillful technology of item is passed through such as using the image processing equipment (such as computer) connecting with camera signal transmission end
After halcon software and VS2015 software carry out nine point calibration, all images on the same refractive body surface are synthesized, just
Can obtain one has complete surface clearly refractive body image, then by carrying out separation and Threshold segmentation to figure layer, connecting
The defects of logical domain analysis, edge detection, opening and closing operation scheduling algorithm can accurately learn the size and location of defect information, certainly
The signal of the capable of emitting defect information of the image processing equipment.
Manipulator is also that (such as PLC is a more skillful technology for the sorting of specific refractive body in the prior art
Controller is based on servo-system, using closed-loop control, it can be achieved that the movement and location technology of arm end), it can directly be applicable in
In the utility model, after manipulator receives image processing equipment about the signal of defect information, sorting operation can be carried out.
In detection device provided by the utility model between the optical axis of video camera and the direction of transfer of the transport mechanism
Angle can be distributed according to actual light source and the size of mobile phone ceramics back shroud adjusts the angle, and be distributed image uniform.
Preferably, the angle is 30 ~ 60 °.
It is further preferable that the angle is 45 °.
Preferably, the transport mechanism includes transfer table, the section material frame for being used to support the transfer table, setting
Castor below the section material frame is provided with roller conveyor on the transfer table, and the roller conveyor passes through rolling
Cylinder head fixed baffle is fixed.
Preferably, the castor is 65 castors.
Preferably, the detection device further includes adjusting bracket, the video camera for adjusting the video camera of the angle
It is set on the video camera adjustment bracket.
It is further preferable that the video camera adjustment bracket includes lower mounting plate, upper support plate and height-adjustable tune
Whole screw；The lower mounting plate is fixedly connected with the transport mechanism, and the adjusting screw is set to the lower mounting plate
On, upper support plate one end is fixedly connected with the lower mounting plate, and the other end is set to the adjusting screw.
The tilt angle of upper support plate can be changed in height by adjusting adjusting screw, to change the optical axis of video camera
With the angle of the direction of transfer of the transport mechanism.
Preferably, the video camera is CCD industrial camera；The manipulator is six axis robot.
It is further preferable that the six axis robot include the stepper motor for driving, manipulator bottom end for fixing,
The manipulator intermediate arm and manipulator forearm being set on the manipulator bottom end.
Stepper motor can successively driving manipulator intermediate arm and manipulator forearm, to realize manipulator front end spatially
Refractive body is sucked up, is moved on next conveyor-belt apparatus.
It should be understood that the quantity of stepper motor herein with the demand that it drives be it is corresponding, in general 6
Stepper motor may make manipulator refractive body can be transplanted on subsequent region in any one region.
Preferably, the transport mechanism be vertically disposed feed end transport mechanism and discharge end transport mechanism, it is described into
It is provided with robot work platform above the vertical place of material end transport mechanism and discharge end transport mechanism, the manipulator is set to institute
It states on robot work platform.
Preferably, the photoelectricity door bracket includes overhead gage and the side baffle of overhead gage two sides is arranged in straight down, institute
State photoelectric sensor be set to the photoelectricity door bracket overhead gage lower end surface middle part.
Preferably, the refractive body is ceramics or glass.
It should be understood that instrument, equipment or sample as made from ceramics or glass material are also in the scope of refractive body.
It is further preferable that the refractive body is 5G mobile phone ceramics back shroud.
Compared with prior art, the utility model has the following beneficial effects:
Refractive body surface detection apparatus provided by the utility model based on machine vision utilizes video camera and application deflection
The image of principle tilts imaging technique, the defect on refractive body surface can be effectively checked, to obtain defect image and pass through machine
The sorting of tool hand, the final automation for realizing refractive body Surface testing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the detection device that embodiment 1 provides；
Fig. 2 is the partial enlarged view for the detection device that embodiment 1 provides；
Wherein:
1 is transport mechanism, and 2 be photoelectricity door bracket, and 3 be video camera, and 4 be manipulator, and 5 be photoelectric sensor, and 6 be transmission
Workbench, 7 be section material frame, and 8 be 65 castors, and 9 be roller conveyor, and 10 be roller head fixed baffle, and 11 be video camera adjustment branch
Frame, 12 be lower mounting plate, and 13 be upper support plate, and 14 be adjusting screw, and 15 be stepper motor, and 16 be manipulator bottom end, 17
It is manipulator forearm for manipulator intermediate arm, 18,19 be robot work platform.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with Figure of description
And specific embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.In addition, each implementation of the utility model disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in mode.
Embodiment 1
The present embodiment provides a kind of based on machine vision by taking this specific refractive body of 5G mobile phone ceramics back shroud as an example
5G mobile phone ceramics back shroud surface detection apparatus, as shown in Figure 1 and 2, the detection device include transport mechanism 1, photoelectricity door bracket 2,
Video camera 3, manipulator 4, photoelectricity door bracket 2, video camera 3, manipulator 4 are set in turn in 1 top of transport mechanism.Conveyer
Structure 1 is feed end close to one end of photoelectricity door bracket 2, and one end far from photoelectricity door bracket 2 is discharge end.
Transport mechanism 1 be vertically disposed feed end transport mechanism and discharge end transport mechanism, including transfer table 6,
65 castors 8 for being used to support the section material frame 7 of transfer table 6, being set to the lower section of section material frame 7 are provided with rolling on transfer table 6
Cylinder conveyer belt 9, roller conveyor is fixed by roller head fixed baffle 10, and roller conveyor 9 includes vertically disposed feed end
Roller conveyor 9 and discharge end roller conveyor 9.
Photoelectricity door bracket 2 includes overhead gage and the side baffle that overhead gage two sides are arranged in straight down, and photoelectric sensor 5 is set
It is placed in the middle part of the lower end surface of the overhead gage of photoelectricity door bracket 2, photoelectric sensor can be incuded by wired or wireless way
Signal is launched.
Video camera 3 is 2 CCD industrial cameras, is symmetrically disposed on video camera adjustment bracket 11 obliquely and to take the photograph
The optical axis of camera 3 and the direction of transfer of transport mechanism 1 are at angle；It includes lower mounting plate 12, top that video camera, which adjusts bracket 11,
Support plate 13 and height-adjustable adjusting screw 14；Lower mounting plate 12 is fixedly connected with transport mechanism 1, and adjusting screw 14 is arranged
In on lower mounting plate 12,13 one end of upper support plate is fixedly connected with lower mounting plate 12, and the other end is set to adjusting screw
14.By adjusting the height of adjusting screw 14, the tilt angle of upper support plate 13 is adjusted, to adjust the light of video camera 3
Angle between axis and the direction of transfer of transport mechanism 1.Under normal circumstances, angle is 30 ~ 60 °.Video camera 3 can be certain specific
Signal (such as photoelectric sensor induction pass through signal) under the conditions of trigger the photo taken pictures, and shoot be transferred to scheme
As the equipment or processing unit (such as with the computer of image processing software) of processing function, the equipment or processing unit carry out image
It can get defect information after processing and emit signal.
Manipulator 4 is six axis robot, is set on robot work platform 19, robot work platform 19 is set to feed end
The vertical place of transport mechanism and discharge end transport mechanism.Six axis robot 4 includes for providing the stepper motor 15 of driving force, using
In fixed manipulator bottom end 16, the manipulator intermediate arm 17 and manipulator forearm 18 that are set on manipulator bottom end 16.It is mechanical
Hand 18 can be triggered by certain signal specifics (such as comprising the signal of defect information) and carry out sorting work.
Transport mechanism 1 in detection device provided by the utility model is for being transmitted 5G mobile phone ceramics back shroud；
Photoelectric sensor 5 for incude 5G mobile phone ceramics back shroud process, by its induction and conveyer belt transmission speed and transmission away from
From etc. conditions, position or a certain specific 5G mobile phone ceramics of a certain specific 5G mobile phone ceramics back shroud of any moment can be obtained
Time needed for back shroud reaches a certain place, and emit the pulse signal of 5G mobile phone ceramics back shroud process；2 are symmetrically taken the photograph
Camera 3 receive by signal after, comprehensive lasting camera shooting carried out to 5G mobile phone ceramics back shroud, and due to using tilting
Inclination imaging technique can be used to effectively avoid the reflective problem of 5G mobile phone ceramics back shroud in setting, the video camera, and it is clear to obtain
Image, which handle and then obtains 5G mobile phone ceramics back shroud with the presence or absence of defect and defective locations and size etc.
Defect information, and send to the motion control mechanism of manipulator；Manipulator 4 is used for after receiving signal to defective ceramic rear cover
It is sorted, is transported to other positions.The mating reaction of photoelectric sensor 5, video camera 3 and manipulator 4 etc., can be to a certain
Defective 5G mobile phone ceramics back shroud is identified and is positioned, the final automation for realizing the detection of 5G mobile phone ceramics back shroud.
Claims (10)
1. a kind of refractive body surface detection apparatus based on machine vision, which is characterized in that including transport mechanism (1), photoelectric door
Bracket (2), video camera (3), manipulator (4) and photoelectric sensor (5), the transport mechanism (1), photoelectricity door bracket (2), camera shooting
Machine (3) and manipulator (4) are set in turn in above the transport mechanism (1), and the photoelectric sensor (5) is set to the light
On electric switch bracket (2)；The quantity of the video camera (3) is at least 2, and at least two video camera (3) is symmetrical arranged obliquely
In the two sides of the transport mechanism (1) make the video camera (3) optical axis and the transport mechanism (1) direction of transfer at folder
Angle.
2. detection device according to claim 1, which is characterized in that the transport mechanism (1) include transfer table (6),
The section material frame (7) for being used to support the transfer table (6), the castor (8) being set to below the section material frame (7), the biography
It send and is provided with roller conveyor (9) on workbench (6), the roller conveyor is fixed by roller head fixed baffle (10).
3. detection device according to claim 1, which is characterized in that the detection device further includes for adjusting the angle
Video camera adjust bracket (11), the video camera (3) is set in video camera adjustment bracket (11).
4. detection device according to claim 3, which is characterized in that video camera adjustment bracket (11) includes that lower section is fixed
Plate (12), upper support plate (13) and height-adjustable adjusting screw (14)；The lower mounting plate (12) and the conveyer
Structure (1) is fixedly connected, and the adjusting screw (14) is set on the lower mounting plate (12), the upper support plate (13) one
End is fixedly connected with the lower mounting plate (12), and the other end is set to the adjusting screw (14).
5. detection device according to claim 1, which is characterized in that the video camera (3) is CCD industrial camera；It is described
Manipulator (4) is six axis robot.
6. detection device according to claim 5, which is characterized in that the six axis robot (4) includes being used to provide power
Stepper motor (15), manipulator bottom end for fixing (16), in the manipulator that is set on the manipulator bottom end (16)
Between arm (17) and manipulator forearm (18).
7. detection device according to claim 1, which is characterized in that the transport mechanism (1) includes vertically disposed charging
Transport mechanism and discharge end transport mechanism are held, the vertical place setting of the feed end transport mechanism and discharge end transport mechanism is organic
Tool hand workbench (19), the manipulator (4) are set on the robot work platform (19).
8. detection device according to claim 1, which is characterized in that the photoelectricity door bracket (2) includes overhead gage and vertical
The down-set side baffle in overhead gage two sides, the photoelectric sensor (5) are set to the overhead gage of the photoelectricity door bracket (2)
Lower end surface middle part.
9. detection device according to claim 1, which is characterized in that the refractive body is ceramics or glass.
10. detection device according to claim 9, which is characterized in that the refractive body is 5G mobile phone ceramics back shroud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525660.5U CN208555095U (en) | 2018-04-13 | 2018-04-13 | A kind of refractive body surface detection apparatus based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525660.5U CN208555095U (en) | 2018-04-13 | 2018-04-13 | A kind of refractive body surface detection apparatus based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN208555095U true CN208555095U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820525660.5U Expired - Fee Related CN208555095U (en) | 2018-04-13 | 2018-04-13 | A kind of refractive body surface detection apparatus based on machine vision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435598A (en) * | 2018-04-13 | 2018-08-24 | 东莞理工学院 | A kind of refractive body surface detection apparatus, method, system, equipment and storage medium based on machine vision |
| CN113607419A (en) * | 2021-08-02 | 2021-11-05 | 广东工业大学 | Engine cylinder block electronic tag detection device and method |
-
2018
- 2018-04-13 CN CN201820525660.5U patent/CN208555095U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435598A (en) * | 2018-04-13 | 2018-08-24 | 东莞理工学院 | A kind of refractive body surface detection apparatus, method, system, equipment and storage medium based on machine vision |
| CN113607419A (en) * | 2021-08-02 | 2021-11-05 | 广东工业大学 | Engine cylinder block electronic tag detection device and method |
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Granted publication date: 20190301 Termination date: 20210413 |