CN205844213U - A kind of curved surface automatic defect detecting device - Google Patents
A kind of curved surface automatic defect detecting device Download PDFInfo
- Publication number
- CN205844213U CN205844213U CN201620675398.3U CN201620675398U CN205844213U CN 205844213 U CN205844213 U CN 205844213U CN 201620675398 U CN201620675398 U CN 201620675398U CN 205844213 U CN205844213 U CN 205844213U
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- China
- Prior art keywords
- camera
- light source
- industrial camera
- curved surface
- sliding stand
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Abstract
The utility model discloses a kind of curved surface automatic defect detecting device, including two cameras, and sliding stand, bottom block, host computer, each camera correspondence is fixed on a Three Degree Of Freedom camera support, Three Degree Of Freedom camera support is fixed on bottom block, and sliding stand is arranged on bottom block, and camera is connected with host computer, the shooting of two camera different angles, it is ensured that the definition of lower camber side imaging on curved surface；When detection, workpiece level is placed on sliding stand.Described device also includes motor and electric machine controller, light source and light source controller etc..When detection, workpiece on adjustable sliding stand is at the regional movement in the camera shooting visual field, PC control shooting number of times and the location of workpiece, ensure high-quality imaging, also the integrity of different size surface of the work is ensured, light source is arranged between camera and avoids interfering with each other during polishing simultaneously, and this device has image quality height, strong adaptability, processing ease, simple and stable structure, the advantage of low cost.
Description
Technical field
This utility model relates to defect detecting device research field, automatically detects dress particularly to a kind of curved surface defect
Put.
Background technology
At present, industrial circle is broadly divided into two kinds to the detection of little curved surface defect, and one is to be examined by artificial naked eyes
Surveying, this detection pole relies on the experience of testing staff, wastes time and energy.Another kind is to examine by the way of image procossing
Surveying, this detection device generally includes single camera, workbench and host computer, and camera is arranged on the front of workbench, with upper
Machine connects, and when detection, workpiece to be detected is placed on the table, and surface of the work is taken pictures by camera, it is ensured that obtain work
The all images of part curved surface to be checked, then sends images to host computer, carries out the behaviour such as follow-up feature extraction, defect recognition
Make.But this device is only applicable to detect plane surface defect, not good enough to the Detection results of surface defect, it is impossible to solve on curved surface
Lower camber side is focused problem clearly simultaneously, and the image of shooting only meets testing requirement in some cambered surface region, easily causes scarce
Fall into missing inspection, flase drop.
To this end, study, a kind of image quality height, low cost, efficiency is high, the curved surface defect of working stability detects automatically
Device, has important practical value.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, it is provided that a kind of curved surface defect is automatic
Detection device, this device processing ease, simple and stable structure, low cost.
The purpose of this utility model is realized by following technical scheme: a kind of curved surface automatic defect detecting device,
Including the first industrial camera, the second industrial camera, and sliding stand, bottom block, host computer, the first industrial camera, the second industry
Camera all correspondences are fixed on a Three Degree Of Freedom camera support, and Three Degree Of Freedom camera support is fixed on bottom block, and sliding stand sets
Putting on bottom block, and the position on bottom block is adjustable, the first industrial camera, the second industrial camera are respectively with host computer even
Connect；When detection, workpiece level is placed on sliding stand；First industrial camera install higher than workpiece horizontal plane 20cm～
30cm, and downwards horizontal by 30 °～45 ° of angles, the second industrial camera installs horizontal plane 20cm～30cm less than workpiece,
And upwards horizontal by 30 °～45 ° of angles.By the first industrial camera and the shooting of the second industrial camera different angles, protect
The card shooting visual field completely covers curved surface to be detected.
Preferably, described device includes motor and electric machine controller, and described motor is fixing even by shaft coupling and sliding stand
Connecing, motor is connected with host computer by electric machine controller.Host computer sends movement instruction to electric machine controller, electric machine controller control
Workpiece on driven by motor sliding stand processed is at the regional movement in the camera shooting visual field.
Preferably, when the shooting visual field length of camera is more than the focusing district radius of camera lens, by PC control sliding stand
Motion, make workpiece the most repeatedly shoot in shooting, ensure the shooting quality of curved surface and integrity simultaneously.
Further, described first industrial camera, the second industrial camera all use RJ45 network interface with host computer even
Connect.
Further, described first industrial camera, the second industrial camera all use micro-focal length lens.
Preferably, described device includes that light source and light source controller, described light source, light source controller are each attached to bottom block
On, light source controller is connected with host computer.Using this structure, can be that camera provides illumination, the photo making shooting be apparent.
Further, described light source uses area source, the most each camera is installed light source, and is arranged on the first work
In the middle of industry camera, the second industrial camera, it is to avoid interfering with each other between light source so that light is more uniformly distributed.
This utility model compared with prior art, has the advantage that and beneficial effect:
1, this utility model is by being fixed on camera on Three Degree Of Freedom camera support, can increase the shooting model of camera
Enclose, reduce the quantity of camera in device, cost-effective.
2, this utility model is acquired image with different shooting angle to workpiece by two cameras, it is ensured that Curved arc
The definition of shape area image and integrity.
3, in this utility model, use motor and electric machine controller that the position of sliding stand is controlled, adjust workpiece
Camera site and number of times, adapt to the shooting demand of different scale workpiece, has simple in construction, is easy to maintenance, image quality height
Advantage.
4, in this utility model, only area source is set in the middle of two cameras, not separately installed to each camera light source, it is to avoid
Between light source, image quality is interfered with each other, so that the picture of shooting is apparent.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram of the present embodiment device；
Fig. 2 is the frame diagram of the present embodiment device.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but enforcement of the present utility model
Mode is not limited to this.
Embodiment
As it is shown in figure 1, the present embodiment one curved surface automatic defect detecting device, including two with micro-focal length lens
Industrial camera, two Three Degree Of Freedom camera supports and two light sources, a sliding stand, a bottom block and a motor.Its
Middle Three Degree Of Freedom camera support 3 and sliding stand 6 are fixed on bottom block 9, and motor 7 is connected by shaft coupling is fixing with sliding stand 6.
Workpiece 5 lies in a horizontal plane on sliding stand 6, when workpiece 5 is in AB position, by the first industry phase being fixed on camera support 3
Machine 1 gathers image, when workpiece 5 moves to BC position, the second industrial camera 2 gathers image, the face of band light source controller 10
Light source 4 provides illumination for camera.First industrial camera 1 and the second industrial camera 2 are all (upper with PC by RJ45 network interface
Machine) connect, motor 7 is connected with PC.The dash area of workpiece 5 is the arcwall face that curvature is less, connects for making the shooting visual field cover
The cambered surface of nearly semicircle, installs the horizontal plane 20cm higher than workpiece 5 by industrial camera 1, and downwards horizontal by 30 ° of angles, work
The horizontal plane 20cm less than workpiece 5 installed by industry camera 2, and upwards horizontal by 30 ° of angles, by the industrial phase of two angles
Machine is to workpiece shooting on position AB and position BC, it is ensured that the shooting visual field completely covers curved surface to be detected.
When AB segment length is more than the shape library district radius r of camera lens, then in AB section, carry out n shooting, take n=AB/r,
Workpiece is separately made to have the static shooting time of 100ms.
The process of detection is that PC transmission movement instruction exists to electric machine controller, the workpiece controlled on driven by motor sliding stand
AB and BC regional movement, when detecting that workpiece is gathered image at the stop motion of AB region, the first industrial camera 1 and connect by RJ45
PC is returned in oral instructions, when detect workpiece in the stop motion of BC region, the second industrial camera 2 is gathered image and is passed by RJ45 interface
Return PC, until AB and the BC cambered surface of workpiece all detects complete.
Fig. 2 illustrates that the present embodiment device, according to function, can be divided into illumination and image-forming block, mechanical transmission component and PC
Machine, wherein illumination and image-forming block, including area source, light source controller, industrial camera and Three Degree Of Freedom camera support, Mei Gexiang
Machine correspondence is fixed on a Three Degree Of Freedom camera support, and Three Degree Of Freedom camera support, sliding stand, light source, light source controller are the most solid
Being scheduled on bottom block, light source controller is connected with area source by electric connection line, is used for controlling the intensity of light source.Mechanical drive department
Part, including motor, electric machine controller, sliding stand and motion control card, motor is connected by shaft coupling and sliding stand are fixing, motor
Controller is connected with motor by electric connection line, and motion control card is connected with electric machine controller, and motion control card passes through pci interface
It is connected with PC.
PC is provided with defect automatic checkout system, for according to the image gathered, identifying position and the classification of defect.
Illumination is connected with PC by RJ45 network interface with the industrial camera in image-forming block, gathers at line image；PC is by fortune
Dynamic control module is connected with the motion control card in mechanical transmission component, controls motor start-stop, speed adjustment, direction transformation etc.,
Drive the workpiece motion s on sliding stand.
Above-described embodiment is this utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The restriction of embodiment, other any without departing from the change made under spirit of the present utility model and principle, modify, replace
In generation, combine, simplify, all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (6)
1. a curved surface automatic defect detecting device, it is characterised in that include the first industrial camera, the second industrial camera,
And sliding stand, bottom block, host computer, the first industrial camera, the second industrial camera all correspondences are fixed on a Three Degree Of Freedom camera
On support, Three Degree Of Freedom camera support is fixed on bottom block, and sliding stand is arranged on bottom block, and the position on bottom block
Adjustable, the first industrial camera, the second industrial camera are connected with host computer respectively；When detection, workpiece level is placed on sliding stand
On；First industrial camera installs horizontal plane 20cm～30cm higher than workpiece, and downwards horizontal by 30 °～45 ° of angles, the
Two industrial cameras install horizontal plane 20cm～30cm less than workpiece, and upwards horizontal by 30 °～45 ° of angles.
Curved surface automatic defect detecting device the most according to claim 1, it is characterised in that described device includes motor
And electric machine controller, described motor is connected by shaft coupling and sliding stand are fixing, and motor passes through electric machine controller and host computer phase
Even.
Curved surface automatic defect detecting device the most according to claim 1, it is characterised in that described first industry phase
Machine, the second industrial camera all use RJ45 network interface to be connected with host computer.
Curved surface automatic defect detecting device the most according to claim 1, it is characterised in that described first industry phase
Machine, the second industrial camera all use micro-focal length lens.
Curved surface automatic defect detecting device the most according to claim 1, it is characterised in that described device includes light source
And light source controller, described light source, light source controller be each attached on bottom block, and light source controller is connected with host computer.
Curved surface automatic defect detecting device the most according to claim 5, it is characterised in that described light source uses face light
Source, and be arranged between the first industrial camera, the second industrial camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675398.3U CN205844213U (en) | 2016-06-28 | 2016-06-28 | A kind of curved surface automatic defect detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675398.3U CN205844213U (en) | 2016-06-28 | 2016-06-28 | A kind of curved surface automatic defect detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844213U true CN205844213U (en) | 2016-12-28 |
Family
ID=57621318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620675398.3U Expired - Fee Related CN205844213U (en) | 2016-06-28 | 2016-06-28 | A kind of curved surface automatic defect detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844213U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000731A1 (en) * | 2016-06-28 | 2018-01-04 | 华南理工大学 | Method for automatically detecting curved surface defect and device thereof |
| CN108709890A (en) * | 2018-06-26 | 2018-10-26 | 华南理工大学 | Bend glass defect detecting device based on machine vision and method |
| CN108918543A (en) * | 2018-05-14 | 2018-11-30 | 上海工程技术大学 | A kind of device for dynamically detecting and method of mirror surfaces scuffing |
| CN109085179A (en) * | 2018-09-17 | 2018-12-25 | 周口师范学院 | A kind of board surface flaw detection device and detection method |
| CN110018167A (en) * | 2019-04-04 | 2019-07-16 | 武汉精立电子技术有限公司 | A kind of Curved screen open defect rapid detection method and system |
| CN111678921A (en) * | 2020-06-19 | 2020-09-18 | 京东方科技集团股份有限公司 | Optical detection device |
| CN114152628A (en) * | 2021-12-03 | 2022-03-08 | 苏州清翼光电科技有限公司 | Product cambered surface defect detection device |
| CN114274482A (en) * | 2021-12-24 | 2022-04-05 | 博众精工科技股份有限公司 | Detection mechanism and wireless gasket post-processing system that charges |
-
2016
- 2016-06-28 CN CN201620675398.3U patent/CN205844213U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000731A1 (en) * | 2016-06-28 | 2018-01-04 | 华南理工大学 | Method for automatically detecting curved surface defect and device thereof |
| CN108918543A (en) * | 2018-05-14 | 2018-11-30 | 上海工程技术大学 | A kind of device for dynamically detecting and method of mirror surfaces scuffing |
| CN108918543B (en) * | 2018-05-14 | 2021-03-23 | 上海工程技术大学 | Dynamic detection device and method for mirror surface scratch |
| CN108709890A (en) * | 2018-06-26 | 2018-10-26 | 华南理工大学 | Bend glass defect detecting device based on machine vision and method |
| CN109085179A (en) * | 2018-09-17 | 2018-12-25 | 周口师范学院 | A kind of board surface flaw detection device and detection method |
| CN110018167A (en) * | 2019-04-04 | 2019-07-16 | 武汉精立电子技术有限公司 | A kind of Curved screen open defect rapid detection method and system |
| CN110018167B (en) * | 2019-04-04 | 2021-10-29 | 武汉精立电子技术有限公司 | Method and system for rapidly detecting appearance defects of curved screen |
| CN111678921A (en) * | 2020-06-19 | 2020-09-18 | 京东方科技集团股份有限公司 | Optical detection device |
| CN111678921B (en) * | 2020-06-19 | 2024-04-16 | 京东方科技集团股份有限公司 | Optical detection device |
| CN114152628A (en) * | 2021-12-03 | 2022-03-08 | 苏州清翼光电科技有限公司 | Product cambered surface defect detection device |
| CN114152628B (en) * | 2021-12-03 | 2024-01-26 | 苏州清翼光电科技有限公司 | Product cambered surface defect detection device |
| CN114274482A (en) * | 2021-12-24 | 2022-04-05 | 博众精工科技股份有限公司 | Detection mechanism and wireless gasket post-processing system that charges |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |