CN215179725U - Cell-phone center visual detection system - Google Patents
Cell-phone center visual detection system Download PDFInfo
- Publication number
- CN215179725U CN215179725U CN202023309790.1U CN202023309790U CN215179725U CN 215179725 U CN215179725 U CN 215179725U CN 202023309790 U CN202023309790 U CN 202023309790U CN 215179725 U CN215179725 U CN 215179725U
- Authority
- CN
- China
- Prior art keywords
- camera
- light source
- detection
- fillet
- straight flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of machine vision equipment, concretely relates to cell-phone center vision detection system, including vision positioning component and straight flange determine module, vision positioning component is including location camera and annular light source, and the location camera sets up in annular light source's top, and straight flange determine module includes first straight flange and detects camera, second straight flange and detect camera and arc light source, and first straight flange detects camera and second straight flange and detects the camera and set up respectively in arc light source's both sides, and annular light source and arc light source all set up in the mounting bracket. The utility model discloses a detection precision is high, and location effect is good, and the operation is stable, can effectively improve visual detection's efficiency.
Description
Technical Field
The utility model belongs to the technical field of machine vision equipment, concretely relates to cell-phone center vision detection system.
Background
With the rapid development of electronic products in China, the market puts higher demands on the aesthetic degree of mobile phones and digital electronic products, wherein the mobile phone middle frame may have defects such as unsmooth, asymmetry, distortion, scratch, bruise, fingerprint watermark and the like in the manufacturing process of the mobile phone middle frame due to the problems of manufacturing process or product quality, and may have defects such as scratch, scratch or poor sealing of the mobile phone products, so that the appearance of the mobile phone middle frame also needs to be detected in the manufacturing process of the mobile phone middle frame to ensure the reliable quality of the mobile phone middle frame.
However, the inventor finds that the existing detection of the middle frame of the mobile phone generally adopts a mode of observing by naked eyes to find the defect of the appearance of the middle frame of the mobile phone, and the mode has the following disadvantages: 1) the training period is long, and various defects can be accurately detected only by training a large amount of defective products; 2) visual fatigue easily occurs to workers, so that the missing inspection is caused, and defective products flow to the market; 3) fine flaws are easily missed by manpower, and the labor cost is relatively high. Meanwhile, the existing detection equipment is difficult to accurately position and comprehensively detect the mobile phone middle frame, has single detection function, low positioning and detection efficiency and poor operation performance, is difficult to acquire high-quality images which comprehensively show product flaws on the mobile phone middle frame, and cannot meet the requirement of high-efficiency detection. Therefore, a new visual inspection system is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of the prior art, the visual detection system for the middle frame of the mobile phone is provided, has good positioning effect, high detection precision and stable and reliable operation, can effectively improve the standardization degree and the universality of the detection of the middle frame of the mobile phone, and realizes the comprehensive and efficient detection of the middle frame of the mobile phone.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a visual detection system for a middle frame of a mobile phone comprises a visual positioning component and a straight edge detection component, wherein the visual positioning component comprises a positioning camera and an annular light source, the positioning camera is arranged above the annular light source, the straight edge detection assembly comprises a first straight edge detection camera, a second straight edge detection camera and an arc-shaped light source, the first straight edge detection camera and the second straight edge detection camera are respectively arranged at two sides of the arc-shaped light source, the annular light source and the arc-shaped light source are both arranged on the mounting frame, wherein, the annular light source can provide irradiation at different angles, thereby effectively highlighting the three-dimensional information of the middle frame of the mobile phone, the positioning accuracy of the mobile phone middle frame is improved, and the first straight edge detection camera and the second straight edge detection camera can adopt a linear array camera or an area array camera, so that images of each straight edge of the mobile phone middle frame can be comprehensively acquired.
Further, the first straight edge detection camera and the second straight edge detection camera are symmetrically and obliquely arranged on the upper side and the lower side of the arc-shaped light source, the lens of the first straight edge detection camera and the lens of the second straight edge detection camera are close to the arc-shaped light source, the image collector of the first straight edge detection camera and the image collector of the second straight edge detection camera are far away from the arc-shaped light source, and the included angles between the first straight edge detection camera and the horizontal plane and between the second straight edge detection camera and the horizontal plane are both 20-40 degrees, so that the lens of the first straight edge detection camera and the lens of the second straight edge detection camera form an included angle of 40-80 degrees, and the integrity of image acquisition is effectively improved.
Further, the detection system further comprises a fillet detection assembly, the fillet detection assembly comprises a fillet detection camera and a dodging combined light source, a shooting groove corresponding to the fillet detection camera is formed in the side portion of the dodging combined light source, the dodging combined light source can irradiate fillets of the middle frame of the mobile phone from multiple angles, the irradiation brightness of the multiple angles is kept uniform, and the fillet detection camera collects fillet images of the middle frame of the mobile phone through the shooting groove.
Further, the dodging combined light source comprises a coaxial light emitting portion and a spherical light emitting portion, the coaxial light emitting portion is arranged between the fillet detection camera and the spherical light emitting portion, the coaxial light emitting portion is provided with a coaxial light source, the spherical light emitting portion comprises a spherical shell and an illumination light source arranged on the spherical shell, and the spherical shell and the coaxial light source are both provided with shooting grooves corresponding to the fillet detection camera.
Further, the detection system further comprises a feeding assembly, the feeding assembly comprises a conveyor belt and a first driver, the output end of the first driver is electrically connected with the conveyor belt, the positioning camera and the annular light source are arranged above the conveyor belt, the first driver can be a motor or an air cylinder, the conveyor belt is used for transmitting the mobile phone middle frame to be detected, and the first driver is used for driving the conveyor belt to run.
Furthermore, the detection system further comprises a workbench which is abutted to the conveyor belt, and the straight edge detection assembly and the fillet detection assembly are arranged on the workbench, so that the straight edge detection assembly and the fillet detection assembly are effectively fixed conveniently.
Furthermore, the workbench is provided with a first adjusting rack and a second adjusting rack, the first straight-edge detection camera and the second straight-edge detection camera are both arranged on the first adjusting rack, and the fillet detection camera and the dodging combined light source are both arranged on the second adjusting rack, so that the relative positions of all the components can be conveniently adjusted according to actual needs.
Further, the workstation is provided with transfers the subassembly, it includes gets material arm and second driver to transfer the subassembly, the output of second driver with get material arm electric connection, get material arm and be used for transferring the cell-phone center to the detection station, the second driver can be servo motor, cylinder or pneumatic cylinder.
Further, the workstation is provided with first controller, vision positioning component the subassembly of transferring with fillet determine module all connect in first controller, first controller is used for controlling vision positioning component the subassembly of transferring with fillet determine module's orderly operation.
Further, the workbench is provided with a second controller, the straight edge detection assembly is connected to the second controller, and the second controller is used for controlling image acquisition of the first straight edge detection camera and the second straight edge detection camera and light emission of the arc-shaped light source.
Furthermore, the arc-shaped light source is in a semi-arc shape, so that the brightness and the uniformity of the light can be effectively improved.
The beneficial effects of the utility model reside in that: the utility model discloses a vision positioning subassembly and straight flange determine module, the vision positioning subassembly is including location camera and annular light source, the location camera sets up in annular light source's top, when annular light source shines the cell-phone center that waits to detect, the location camera gathers the position of this cell-phone center, straight flange determine module includes first straight flange determine camera, second straight flange determine camera and arc light source, first straight flange determine camera and second straight flange determine camera and set up respectively in arc light source's both sides, annular light source and arc light source all set up in the mounting bracket, suitably adjust the position of cell-phone center, make arc light source shine the cell-phone center, first straight flange determine camera and second straight flange determine camera gather the image of each straight flange of cell-phone center simultaneously, thereby detect the flaw defect of cell-phone center comprehensively high-efficiently.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the straight edge detection assembly of the present invention.
Figure 3 is the utility model discloses a fillet determine module's schematic structure diagram.
Fig. 4 is a control flow chart of the first controller of the present invention.
Fig. 5 is a control flow chart of the second controller according to the present invention.
Wherein: 1-positioning a camera; 2-a ring light source; 3-a first straight edge detection camera; 4-a second straight edge detection camera; 5-arc light source; 6-mounting a frame; 7-fillet detection camera; 8-coaxial light emergent part; 9-a spherical light emergent portion; 10-a conveyor belt; 11-a workbench; 12-a first conditioning frame; 13-a second adjusting carriage; 14-a material taking arm; 15-mobile phone middle frame.
Detailed Description
As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings 1 to 5 and the specific embodiments, but the present invention is not limited thereto.
A visual detection system for a mobile phone middle frame comprises a visual positioning component and a straight edge detection component, as shown in figure 1, the visual positioning component comprises a positioning camera 1 and an annular light source 2, the positioning camera 1 is arranged above the annular light source 2, the straight edge detection component comprises a first straight edge detection camera 3, a second straight edge detection camera 4 and an arc-shaped light source 5, the first straight edge detection camera 3 and the second straight edge detection camera 4 are respectively arranged at two sides of the arc-shaped light source 5, the annular light source 2 and the arc-shaped light source 5 are both arranged on a mounting frame 6, the positioning camera 1 receives image information of the mobile phone middle frame 15 from the hollow part of the annular light source 2, the positioning camera 1 is an area-array camera, the annular light source 2 is a white light source, the distance between a lens of the positioning camera 1 and the mobile phone middle frame 15 is 660-700 mm, and the specific model of the positioning camera 1 can be selected according to actual needs.
After the positioning camera 1 finishes collecting the position of the mobile phone middle frame 15, the arc-shaped light source 5 irradiates each straight edge of the mobile phone middle frame 15, and the first straight edge detection camera 3 and the second straight edge detection camera 4 scan images of each straight edge, so that the defect degree of each straight edge is effectively detected.
Preferably, in order to detect each fillet of the mobile phone middle frame 15 comprehensively, the detection system further comprises a fillet detection assembly, the fillet detection assembly comprises a fillet detection camera 7 and a dodging combined light source, the dodging combined light source is used for uniformly illuminating each fillet of the mobile phone middle frame 15, a shooting groove corresponding to the fillet detection camera 7 is formed in the side portion of the dodging combined light source, in addition, after the fillet detection camera 7 collects images of each fillet, the mobile phone middle frame 15 with a defect can be sent to a defective product collecting region, and the mobile phone middle frame 15 with a normal surface can enter the non-defective product region.
Preferably, detecting system still includes the material loading subassembly, the material loading subassembly includes conveyer belt 10 and first driver, the output and the conveyer belt 10 electric connection of first driver, first driver can set up in the front end of conveyer belt 10, location camera 1 and annular light source 2 all set up with the top of conveyer belt 10, servo motor can be chooseed for use to first driver, come the conveying of drive control conveyer belt 10 to cell-phone center 15 through servo motor, when cell-phone center 15 conveys the below of annular light source 2, the image of cell-phone center 15 is taken down to location camera 1.
Preferably, the detection system further comprises a workbench 11, the workbench 11 abuts against the conveyor belt 10, and the straight edge detection assembly and the fillet detection assembly are both arranged on the workbench 11, so that the straight edge detection assembly and the fillet detection assembly are effectively fixed conveniently, and the running stability of the system is improved.
Preferably, the workbench 11 is provided with a first adjusting frame 12 and a second adjusting frame 13, the first straight-edge detection camera 3 and the second straight-edge detection camera 4 are both arranged on the first adjusting frame 12, the fillet detection camera 7 and the dodging combined light source are both arranged on the second adjusting frame 13, the first straight-edge detection camera 3 and the second straight-edge detection camera 4 can flexibly adjust the front, back, left and right positions through the first adjusting frame 12, the fillet detection camera 7 and the dodging combined light source can flexibly adjust the relative positions through the second adjusting frame 13, and the mounting frame 6 is also arranged on the workbench 11.
Preferably, the workbench 11 is provided with a transfer assembly, the transfer assembly comprises a material taking arm 14 and a second driver, an output end of the second driver is electrically connected with the material taking arm 14, the second driver can be arranged on a side portion of the material taking arm 14, the second driver is a servo motor, the servo motor controls a material taking part of the material taking arm 14 to grab the mobile phone middle frame 15, and the material taking arm 14 can move on the workbench 11 after grabbing the mobile phone middle frame 15, so that the flexibility of system operation is effectively improved.
Preferably, the workbench 11 is provided with a first controller and a second controller, the visual positioning assembly, the transfer assembly and the fillet detection assembly are all connected to the first controller, the straight edge detection assembly is connected to the second controller, and both the first controller and the second controller can be industrial personal computers.
Preferably, as shown in fig. 2, the first straight-edge detection camera 3 and the second straight-edge detection camera 4 are symmetrically and obliquely arranged on the upper side and the lower side of the arc-shaped light source 5, the arc-shaped light source 5 is in a "C" shape, the included angles between the first straight-edge detection camera 3 and the second straight-edge detection camera 4 and the horizontal plane are both 25 to 35 degrees, the middle frame 15 of the mobile phone is horizontally placed on the light-emitting surface of the arc-shaped light source 5, and the first straight-edge detection camera 3 and the second straight-edge detection camera 4 are both large-view-field area array cameras, which can effectively avoid the situation of missing detection, and the two cameras form a one-up-down shooting mode, can completely shoot and collect the image of the middle frame 15 of the mobile phone, and in the detection process, when the image of the first side is shot, the defect detection can be performed on the first side by using software, at this time, the first straight-edge detection camera 3 and the second straight-edge detection camera 4 can directly start to shoot the image of the second side without waiting for the detection result of the first side, and the shooting of all sides is finished by analogy, so that the advantage of the method is that the shooting and the detection can be carried out simultaneously, and the detection time is further saved.
As shown in fig. 3, the dodging combined light source includes a coaxial light-emitting portion 8 and a spherical light-emitting portion 9, the coaxial light-emitting portion 8 is disposed between the fillet detecting camera 7 and the spherical light-emitting portion 9, the coaxial light-emitting portion 7 is disposed with a coaxial light source, the spherical light-emitting portion 9 includes a spherical housing and an illumination light source disposed on the spherical housing, the spherical housing and the coaxial light source are both provided with a shooting slot corresponding to the fillet detecting camera 7, the fillet detecting camera 7 collects images of the fillet through the shooting slot formed by the coaxial light-emitting portion 8 and the spherical light-emitting portion 9, wherein, the fillet of the mobile phone middle frame 15 is arc-shaped in both vertical and horizontal directions, and the spherical light-emitting portion 9 can play a role of uniform lighting of an integrating sphere, and in cooperation with the anti-reflection performance of the coaxial light source of the coaxial light-emitting portion 8, the fillet image of the mobile phone middle frame 15 can be more comprehensively collected by the fillet detecting camera 7, therefore, the surface flaws of the fillet can be detected better and more accurately, the image acquisition of the next fillet and the generation of the detection result of the previous fillet can be carried out simultaneously, and the detection efficiency can be improved more effectively.
As shown in fig. 4, under the control of the first controller, the first driver drives the conveyor belt 10 to drive the mobile phone middle frame 15 to the lower side of the annular light source 2, the second driver drives the material taking arm 14 to grab the mobile phone middle frame 15 and transfer the mobile phone middle frame to the arc-shaped light source 5 to complete straight edge positioning, the first controller can control the fillet detection camera 7 to collect and analyze fillet images, and the first driver, the conveyor belt 10, the second driver, the material taking arm 14, the fillet detection camera 7, the coaxial light emitting part 8 and the spherical light emitting part 9 are all electrically connected with the first controller.
As shown in fig. 5, under the control of the second controller, the first and second straight- edge detection cameras 3 and 4 effectively complete image acquisition of each straight edge, and the multithreading technology is utilized to effectively increase the detection speed, so that the detection speed of the system is 8 times that of the general appearance detection technology, and the first straight-edge detection camera 3, the second straight-edge detection camera 4 and the arc-shaped light source 5 are all electrically connected to the second controller.
In addition, the detection system also provides a visual detection method, which comprises the following steps:
s1, placing the mobile phone middle frame 15 below the annular light source 2, collecting an image of the mobile phone middle frame 15 by the positioning camera 1, and calculating the offset of the mobile phone middle frame 15;
s2, after the offset is corrected, the arc-shaped light source 5 irradiates the straight edge of the middle frame 15 of the mobile phone, and the first straight edge detection camera 3 and the second straight edge detection camera 4 jointly acquire images of each straight edge and form a detection result;
and S3, analyzing the detection result, and separating the detected good products from the detected defective products.
Obviously, the utility model discloses reliable and stable, the operating performance is good, and the commonality is strong, detects the flexibility high to the complexity that has adapted to industrial application well and the characteristics of variety, thereby improved the efficiency and the precision that detect effectively.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A visual detection system for a middle frame of a mobile phone is characterized in that: including visual positioning subassembly and straight flange determine module, the visual positioning subassembly is including fixing a position camera (1) and annular light source (2), location camera (1) set up in the top of annular light source (2), straight flange determine module includes first straight flange and detects camera (3), second straight flange and detect camera (4) and arc light source (5), first straight flange detect camera (3) with second straight flange detect camera (4) set up respectively in the both sides of arc light source (5), annular light source (2) with arc light source (5) all set up in mounting bracket (6).
2. The visual inspection system for a cell phone bezel of claim 1, wherein: the first straight edge detection camera (3) and the second straight edge detection camera (4) are symmetrically and obliquely arranged on the upper side and the lower side of the arc-shaped light source (5), and included angles between the first straight edge detection camera (3) and the second straight edge detection camera (4) and a horizontal plane are both 20-40 degrees.
3. The visual inspection system for a cell phone bezel of claim 1, wherein: the detection system further comprises a fillet detection assembly, the fillet detection assembly comprises a fillet detection camera (7) and a dodging combined light source, and a shooting groove corresponding to the fillet detection camera (7) is formed in the side portion of the dodging combined light source.
4. The visual inspection system for a cell phone bezel of claim 3, wherein: the dodging combined light source comprises a coaxial light emitting part (8) and a spherical light emitting part (9), wherein the coaxial light emitting part (8) is arranged between the fillet detection camera (7) and the spherical light emitting part (9).
5. The visual inspection system for a cell phone bezel of claim 3, wherein: the detection system further comprises a feeding assembly, the feeding assembly comprises a conveyor belt (10) and a first driver, the output end of the first driver is electrically connected with the conveyor belt (10), and the positioning camera (1) and the annular light source (2) are arranged above the conveyor belt (10).
6. The visual inspection system for a cell phone bezel of claim 5, wherein: the detection system further comprises a workbench (11), the workbench (11) abuts against the conveyor belt (10), and the straight edge detection assembly and the fillet detection assembly are arranged on the workbench (11).
7. The visual inspection system for a cell phone bezel of claim 6, wherein: workstation (11) are provided with first regulation frame (12) and second regulation frame (13), first straight flange detects camera (3) with second straight flange detects camera (4) and all sets up in first regulation frame (12), fillet detects camera (7) with even light combination light source all set up in second regulation frame (13).
8. The visual inspection system for a cell phone bezel of claim 6, wherein: workstation (11) are provided with and transfer the subassembly, transfer the subassembly and include and get material arm (14) and second driver, the output of second driver with get material arm (14) electric connection.
9. The visual inspection system for a cell phone bezel of claim 8, wherein: workstation (11) are provided with first controller, vision positioning component, transfer the subassembly with fillet detection component all connects in first controller.
10. The visual inspection system for a cell phone bezel of claim 9, wherein: the workbench (11) is provided with a second controller, and the straight edge detection assembly is connected to the second controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309790.1U CN215179725U (en) | 2020-12-30 | 2020-12-30 | Cell-phone center visual detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309790.1U CN215179725U (en) | 2020-12-30 | 2020-12-30 | Cell-phone center visual detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215179725U true CN215179725U (en) | 2021-12-14 |
Family
ID=79399627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023309790.1U Active CN215179725U (en) | 2020-12-30 | 2020-12-30 | Cell-phone center visual detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215179725U (en) |
-
2020
- 2020-12-30 CN CN202023309790.1U patent/CN215179725U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112697804A (en) | Mobile phone middle frame visual detection system and detection method thereof | |
| CN108188043B (en) | Appearance detection equipment and method for lithium battery cell | |
| CN106895961B (en) | A kind of detection device and its detection method of backlight module | |
| CN106546173B (en) | Device for detecting components and detection method thereof | |
| CN109100361A (en) | A kind of workpiece, defect detection device | |
| CN111729869B (en) | Machine vision analysis's car power device detecting system | |
| CN107741427A (en) | The machine vision detection device and method of automobile engine turbine case surface defect | |
| CN210022894U (en) | Double SCARA battery defect detector | |
| CN216622191U (en) | Lithium battery appearance defect detection system based on machine vision | |
| CN215557166U (en) | Lens feeding device for lens module assembly | |
| CN209102634U (en) | A kind of workpiece, defect detection device | |
| CN211980569U (en) | COM chip test machine equipment | |
| CN218902710U (en) | Appearance detection equipment for mobile phone charger | |
| CN112268911A (en) | Mobile phone AOI detection equipment | |
| CN112881420A (en) | Appearance intelligent detection machine and method for die casting of optical module connector | |
| CN215179725U (en) | Cell-phone center visual detection system | |
| CN212180655U (en) | Cell-phone glass apron arc limit defect detecting device | |
| CN112087621B (en) | Lens detection apparatus and method | |
| CN115739690B (en) | LED patch detection equipment and detection method | |
| CN216037234U (en) | Sensor processing device | |
| CN116037484A (en) | Multifunctional integrated feeding device and defect detection equipment | |
| CN217369288U (en) | Defect detection device for polyhedral material | |
| CN212482531U (en) | Visual inspection device for plated automobile parts | |
| CN110341835B (en) | Vehicle air conditioner air outlet assembly fixture | |
| CN209935295U (en) | Volume key outward appearance AOI check out test set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |