CN208795193U - A kind of detection device of highlight surface flatness - Google Patents
A kind of detection device of highlight surface flatness Download PDFInfo
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- CN208795193U CN208795193U CN201821084087.5U CN201821084087U CN208795193U CN 208795193 U CN208795193 U CN 208795193U CN 201821084087 U CN201821084087 U CN 201821084087U CN 208795193 U CN208795193 U CN 208795193U
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- detection device
- highlight surface
- surface flatness
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Abstract
The utility model belongs to the technical field of detection flatness, more particularly to a kind of detection device of highlight surface flatness, the image processing mechanism (3) of the image including the machine vision light source device (1) for protruding tested workpiece features and the highlight surface for absorbing and handling the tested workpiece.The design that the utility model uses structure simply and readily to dismantle can not only improve the precision of detection, but also reduce the limitation of detection, while the degree of automation is higher, helps to improve detection efficiency to entire plane one-time inspection.
Description
Technical field
The utility model belongs to the technical field of detection flatness, and in particular to a kind of detection dress of highlight surface flatness
It sets.
Background technique
Now, for the detection of the flatness of highlight surface, common method has contact measurement, in stylus contact plane
Different point, and compare difference in height, the time that this method not only detects is long, low precision, while being also possible to that surface can be made
At scuffing.In recent years, people also gradually develop some non-contacting detection methods.
Wherein, Chinese patent literature discloses the detection device (publication number: 206073865 U of CN) of highlight surface meat thickness, packet
Include: rack has the first vertical guide rail；Clamping device includes the first auxiliary block and the second auxiliary for being arranged in parallel in rack
Block；It is equipped with the first collet below first auxiliary block one end, the is equipped with the first collet corresponding position above second auxiliary block one end
Two collets；Displacement sensor includes ontology, elastic component and the probe that ontology is connected to by elastic component；Ontology is passed through and is fixed
Being connected to the first auxiliary block makes elastic component and probe between the first auxiliary block and the second auxiliary block；First driving device is driven
Dynamic first auxiliary block does the movement of opposite second auxiliary block along the first guide rail；Calibrated bolck, with standard thickness；Controller,
It is connect with the first driving device.The highlight surface of above-mentioned scheme testing product to a certain extent, but this scheme is extremely
It is few that there is also following defects: first, structure is complicated and not easy to disassemble and installation, and second, since detection covering surface is small, need to same
One plane repeated detection, there are significant limitations, third, the degree of automation is lower, is unfavorable for improving detection efficiency.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, provide a kind of detection dress of highlight surface flatness
It sets, the design simply and readily dismantled using structure, can not only improve the precision of detection to entire plane one-time inspection,
And the limitation of detection is reduced, while the degree of automation is higher, helps to improve detection efficiency.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of detection device of highlight surface flatness, including the machine vision light source dress for protruding tested workpiece features
It sets and the image processing mechanism of the image of the highlight surface for absorbing and handling the tested workpiece.Machine vision light source device
It is designed using lighting source appropriate, so that target information and background information in image is obtained optimal separation, substantially reduce image
The difficulty of Processing Algorithm segmentation, identification, while the positioning of system, measurement accuracy are improved, make the reliability and comprehensive performance of system
It is improved, image processing mechanism extracts the feature of tested workpiece, significantly according to information such as the distributions, brightness and color of pixel
Improve the speed for judging highlight surface flatness.
It further include for anti-as a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model
The reflection unit of the tested workpiece is penetrated, the reflection unit includes reflecting plate and the conveyer belt dress for moving the reflecting plate
It sets, the conveyor-belt apparatus includes the conveyer belt for driving the reflecting plate and the driving electricity for driving the conveyer belt
The end of machine, the conveyer belt connects the driving motor.Reflecting plate can change optical path, reduce the size of device, improve empty
Between utilization rate, meanwhile, by conveyor-belt apparatus drive reflecting plate, avoid human contact's reflecting plate, reflecting plate caused to damage.
As a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model, the machine vision
Light supply apparatus includes multiple illuminators and the uniform light board for covering at multiple illuminators, and the illuminator is arranged in grid.Increase
Add uniform light board, so that light source is more stable and uniform, and can allow tested workpiece to be more easier to distinguish with background, illuminator is in
Grid arrangement helps to calculate linear fringe in height for forming the linear fringe of multiple references in the highlight surface of tested workpiece
Bending situation in smooth surface.
As a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model, the illuminator is
One of LED, halogen lamp and high-frequency florescent lamp.LED, halogen lamp and high-frequency florescent lamp can be transferred through lighting source appropriate and set
Meter saves installation space, and light is uniformly spread, and solves the problems, such as diagonal illumination shade.
As a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model, the image processing
Mechanism includes camera and the computer that connect with the camera, and the camera connects the computer by data line, in the camera
It is provided with machine visual lens.Data line is for realizing the communication between camera and computer, and camera is for obtaining tested workpiece
Image, increase machine visual lens, help to improve the quality of image, caused by reducing because of material, irradiating angle imaging
It influences.
As a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model, the highlight surface is flat
The detection device of face degree further includes suspension arrangement, the suspension arrangement include pedestal, connect with described pedestal one end for adjusting
The mechanical arm of the whole camera position and the mounting bracket connecting with the pedestal other end, the mechanical arm include fixed link
And motion bar, the motion bar connect the fixed link by rotary electric machine, the motion bar is provided with sliding rail, and the camera is logical
Electric Motor Wheel is crossed to be slidably connected with the sliding rail.Sliding rail is slided for Electric Motor Wheel, while being limited Electric Motor Wheel and being left sliding rail, so that camera
It can be moved on motion bar, and motion bar is rotated around fixed link, mobile camera can be carried out according to the path set.
As a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model, the mounting bracket
The cross bar for being used to fix the tested workpiece for being provided with body frame and being arranged in the middle part of the body frame, the body frame includes frame ontology
And the telescopic rod being connect with the frame ontology, one end of the telescopic rod connects the machine vision light source device, described flexible
The other end of bar is connected with lifting motor, and one end of the cross bar connects the frame ontology, and the other end of the cross bar is fixed with
The tested workpiece.Telescopic rod cooperates frame ontology, realizes that machine vision light source device raises and reduces, and reduces because of material, irradiation
Angle is influenced caused by imaging.
As a kind of a kind of improvement of the detection device of highlight surface flatness described in the utility model, the rotation electricity
Machine, the Electric Motor Wheel, the lifting motor and the machine vision light source device are electrically connected with the computer.Computer is for controlling
Rotary electric machine, Electric Motor Wheel, lifting motor and vision light supply apparatus processed realize automatic detection.
The beneficial effects of the utility model are that the utility model includes the machine vision for protruding tested workpiece features
The image processing mechanism of light supply apparatus and the image of the highlight surface for absorbing and handling the tested workpiece.Machine vision light
Source device is designed using lighting source appropriate, so that target information and background information in image is obtained optimal separation, is dropped significantly
The difficulty of the segmentation of low image processing algorithm, identification, while improving the positioning of system, measurement accuracy makes the reliability of system and comprehensive
It closes performance to be improved, image processing mechanism extracts the spy of tested workpiece according to information such as the distributions, brightness and color of pixel
Sign, greatly improves the speed for judging highlight surface flatness.The utility model can not only improve entire plane one-time inspection
The precision of detection, and the limitation of detection is reduced, while the degree of automation is higher, helps to improve detection efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1 in the utility model.
Fig. 2 is the structural schematic diagram of embodiment 2 in the utility model.
Wherein: 1- machine vision light source device；2- reflection unit；3- image processing mechanism；4- suspension arrangement；11- shines
Body；12- uniform light board；21- reflecting plate；22- conveyor-belt apparatus；221- conveyer belt；222- driving motor；31- camera；32- computer；
311- machine visual lens；41- pedestal；42- mechanical arm；43- mounting bracket；421- fixed link；422- motion bar；4221- is sliding
Rail；431- body frame；432- cross bar；4311- frame ontology；4312- telescopic rod；6- data line；7- rotary electric machine；8- Electric Motor Wheel；9-
Lifting motor.
Specific embodiment
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within an acceptable error range, those skilled in the art can solve technology within a certain error range
Problem basically reaches technical effect.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as level " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation "
Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside a element.For the ordinary skill in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the utility model.
The utility model is described in further detail below in conjunction with attached drawing, but not as the restriction to the utility model.
Embodiment 1
As shown in Figure 1, a kind of detection device of highlight surface flatness, including the machine view for protruding tested workpiece features
Feel the image processing mechanism 3 of the image of light supply apparatus 1 and the highlight surface for absorbing and handling tested workpiece, processor image
Structure 3 includes camera 31 and the computer 32 connecting with camera 31, and camera 31 connects computer 32, setting in camera 31 by data line 6
There are machine visual lens 311.Machine vision light source device 1 is designed using lighting source appropriate, makes the target information in image
Optimal separation is obtained with background information, substantially reduces the difficulty of image processing algorithm segmentation, identification, while improving determining for system
Position, measurement accuracy, are improved the reliability of system and comprehensive performance, distribution, brightness of the image processing mechanism 3 according to pixel
With the information such as color, the feature of tested workpiece is extracted, the speed for judging highlight surface flatness is greatly improved.
Preferably, machine vision light source device 1 includes multiple illuminators 11 and the uniform light board for covering at multiple illuminators 11
12, illuminator 11 is arranged in grid, and illuminator 11 is LED.Increase uniform light board 12, so that light source is more stable and uniform, and
Tested workpiece can be allowed to be more easier to distinguish with background, illuminator 11 is arranged in grid, for the highlight surface shape in tested workpiece
At the linear fringe of multiple references, helps to calculate bending situation of the linear fringe in highlight surface, obtain the plane of highlight surface
Degree, LED provide different irradiating angles and different combinations of colors, can more protrude the feature of tested workpiece, therefore be suitable as shining
Body 11.
Preferably, the utility model further includes suspension arrangement 4, and suspension arrangement 4 is connect including pedestal 41, with 41 one end of pedestal
The mounting bracket 43 for adjusting the mechanical arm 42 of 31 position of camera and being connect with 41 other end of pedestal, mechanical arm 42 includes
Fixed link 421 and motion bar 422, motion bar 422 are connected and fixed bar 421 by rotary electric machine 7, and motion bar 422 is provided with sliding rail
4221, camera 31 is slidably connected by Electric Motor Wheel 8 with sliding rail 4221.Sliding rail 4221 is slided for Electric Motor Wheel 8, while being limited electronic
8 wheels leave sliding rail 4221, and camera 31 is moved on motion bar 422, and motion bar 422 is rotated around fixed link 421,
Mobile camera 31 can be carried out according to the path set.
Preferably, mounting bracket 43 is provided with body frame 431 and is arranged in the middle part of body frame 431 and is used to fix tested workpiece
Cross bar 432, body frame 431 include frame ontology 4311 and the telescopic rod 4312 connecting with frame ontology 4311, one end of telescopic rod 4312
Machine vision light source device 1 is connected, the other end of telescopic rod 4312 is connected with lifting motor 9, one end connection frame sheet of cross bar 432
Body 4311, the other end of cross bar 432 are fixed with tested workpiece.Telescopic rod 4312 cooperates frame ontology 4311, realizes machine vision light
Source device 1 raises and reduces, and reduces because material, irradiating angle are influencing caused by imaging.
Preferably, rotary electric machine 7, Electric Motor Wheel 8, lifting motor 9 and machine vision light source device 1 are electrically connected with computer 32
It connects.Computer 32 realizes automatic detection for controlling rotary electric machine 7, Electric Motor Wheel 8, lifting motor 9 and vision light supply apparatus 1.
The invention also discloses a kind of methods for detecting highlight surface flatness, comprising the following steps:
1) according to the size and material of tested workpiece, type and the position of illuminator 11 are adjusted, and tested workpiece is installed
Rotary electric machine 7 and Electric Motor Wheel 8 are controlled in the lower section of machine vision light source device 1, while by computer 32, adjusts the position of camera 31
It sets；
2) illuminator 11 is opened, camera 31 is mobile according to the path that computer 32 is set, and absorbs the bloom of tested workpiece
The image in face sends computer 32 to；
3) the image lines that the software automatic butt of computer 32 is received are handled, and by calculating maximum flexion, are obtained
The flatness of highlight surface.
It should be noted that: in the detection method of the utility model, step 1) adjusts machine according to the size of tested workpiece
Device vision light supply apparatus 1 and image processing mechanism 3, reduce as material and it is of different sizes caused by error；Step 2) machine view
Feel that light supply apparatus 1 is used to protrude the feature of tested workpiece, and absorbs by camera 31 image of the highlight surface of tested workpiece；Step 3)
Calculate the bending situation that each straight line is fed back in highlight surface by software algorithm, further calculate maximum deflection point to intend
The maximum distance for closing straight line judges the flatness of highlight surface by comparing maximum distance.
In above-mentioned steps, maximum flexion calculation formula is MaxCur=MaxMaxCur1, MaxCur2 ...
MaxCurN, wherein MaxCur1, MaxCur2 ... MaxCurN respectively indicate the maximum deflection of lines 1, lines 2 ... lines N
Degree.It is handled using lines of the software to image, operation, extraction feature is carried out according to the digitized signal of lines, and lead to
It crosses software algorithm and calculates the bending situation that each straight line is fed back in highlight surface, further calculate maximum deflection point to fitting
The maximum distance of straight line judges the flatness of highlight surface by comparing maximum distance.
Embodiment 2
As shown in Fig. 2, unlike the first embodiment: the present embodiment further includes the reflection unit for reflecting tested workpiece
2, reflection unit 2 includes reflecting plate 21 and the conveyor-belt apparatus 22 for moving reflecting plate 21, and conveyor-belt apparatus 22 includes being used for
The conveyer belt 221 of reflecting plate 21 and the driving motor 222 for driving conveyer belt 221 are driven, the end of conveyer belt 221, which connects, drives
Dynamic motor 222, illuminator 11 are one of halogen lamp and high-frequency florescent lamp.Reflecting plate 21 can change optical path, reduce device
Size, improve the utilization rate in space, meanwhile, by conveyor-belt apparatus 22 drive reflecting plate 21, avoid human contact's reflecting plate
21, cause reflecting plate 21 to damage.
Other structures are same as Example 1, and which is not described herein again.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (7)
1. a kind of detection device of highlight surface flatness, it is characterised in that: including the machine view for protruding tested workpiece features
Feel the image processing mechanism (3) of the image of light supply apparatus (1) and the highlight surface for absorbing and handling the tested workpiece, institute
Stating detection device further includes the reflection unit (2) for reflecting the tested workpiece, and the reflection unit (2) includes reflecting plate
(21) conveyor-belt apparatus (22) and for moving the reflecting plate (21), the conveyor-belt apparatus (22) includes for driving
State the conveyer belt (221) of reflecting plate (21) and the driving motor (222) for driving the conveyer belt (221), the conveyer belt
(221) end connects the driving motor (222).
2. a kind of detection device of highlight surface flatness as described in claim 1, it is characterised in that: the machine vision light source
Device (1) includes multiple illuminators (11) and the uniform light board (12) for covering at multiple illuminators (11), the illuminator
(11) it arranges in grid.
3. a kind of detection device of highlight surface flatness as claimed in claim 2, it is characterised in that: the illuminator (11) is
One of LED, halogen lamp and high-frequency florescent lamp.
4. a kind of detection device of highlight surface flatness as described in claim 1, it is characterised in that: the image processing mechanism
It (3) include camera (31) and the computer (32) being connect with the camera (31), the camera (31) connects institute by data line (6)
It states computer (32), is provided with machine visual lens (311) in the camera (31).
5. a kind of detection device of highlight surface flatness as claimed in claim 4, it is characterised in that: the highlight surface flatness
Detection device further include suspension arrangement (4), the suspension arrangement (4) include pedestal (41), with the pedestal (41) one end connect
The mounting bracket for adjusting the mechanical arm (42) of the camera (31) position and being connect with the pedestal (41) other end connect
(43), the mechanical arm (42) includes fixed link (421) and motion bar (422), and the motion bar (422) passes through rotary electric machine
(7) fixed link (421) is connected, the motion bar (422) is provided with sliding rail (4221), and the camera (31) passes through Electric Motor Wheel
(8) it is slidably connected with the sliding rail (4221).
6. a kind of detection device of highlight surface flatness as claimed in claim 5, it is characterised in that: the mounting bracket (43)
The cross bar (432) for being used to fix the tested workpiece for being provided with body frame (431) and being arranged in the middle part of the body frame (431), institute
State the telescopic rod (4312) that body frame (431) includes frame ontology (4311) and connect with the frame ontology (4311), the telescopic rod
(4312) one end connects the machine vision light source device (1), and the other end of the telescopic rod (4312) is connected with lifting electricity
Machine (9), one end of the cross bar (432) connect the frame ontology (4311), and the other end of the cross bar (432) is fixed with described
Tested workpiece.
7. a kind of detection device of highlight surface flatness as claimed in claim 6, it is characterised in that: the rotary electric machine (7),
The Electric Motor Wheel (8), the lifting motor (9) and the machine vision light source device (1) are electrically connected with the computer (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084087.5U CN208795193U (en) | 2018-07-10 | 2018-07-10 | A kind of detection device of highlight surface flatness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084087.5U CN208795193U (en) | 2018-07-10 | 2018-07-10 | A kind of detection device of highlight surface flatness |
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| Publication Number | Publication Date |
|---|---|
| CN208795193U true CN208795193U (en) | 2019-04-26 |
Family
ID=66202095
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821084087.5U Active CN208795193U (en) | 2018-07-10 | 2018-07-10 | A kind of detection device of highlight surface flatness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917663A (en) * | 2018-07-10 | 2018-11-30 | 广东奥普特科技股份有限公司 | A kind of detection device and detection method of highlight surface flatness |
| CN110823139A (en) * | 2019-11-21 | 2020-02-21 | 苏州沛斯仁光电科技有限公司 | Measuring method of multi-angle reflector |
-
2018
- 2018-07-10 CN CN201821084087.5U patent/CN208795193U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917663A (en) * | 2018-07-10 | 2018-11-30 | 广东奥普特科技股份有限公司 | A kind of detection device and detection method of highlight surface flatness |
| CN108917663B (en) * | 2018-07-10 | 2024-03-26 | 广东奥普特科技股份有限公司 | Detection device and detection method for high-gloss-surface flatness |
| CN110823139A (en) * | 2019-11-21 | 2020-02-21 | 苏州沛斯仁光电科技有限公司 | Measuring method of multi-angle reflector |
| CN110823139B (en) * | 2019-11-21 | 2021-03-23 | 苏州沛斯仁光电科技有限公司 | Measuring method of multi-angle reflector |
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