CN207502417U - For the image collecting device of on-line checking - Google Patents
For the image collecting device of on-line checking Download PDFInfo
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- CN207502417U CN207502417U CN201721741217.3U CN201721741217U CN207502417U CN 207502417 U CN207502417 U CN 207502417U CN 201721741217 U CN201721741217 U CN 201721741217U CN 207502417 U CN207502417 U CN 207502417U
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Abstract
The utility model provides a kind of image collecting device for on-line checking, including：Sense channel, the light source being set in sense channel, camera and two chopping mechanisms, sense channel has an import opposite on carrier chain road conveying direction and an outlet, in order to which article to be detected enters sense channel by import, and pass through outlet and leave sense channel；One of chopping mechanism is set to entrance, it is configured to open import when article to be detected enters sense channel, import is covered after article to be detected enters sense channel, another chopping mechanism is set to exit, it is configured to open outlet when article to be detected leaves sense channel, outlet is covered after article to be detected enters sense channel.The sense channel of an illumination patterns closing and with substantially uniformity is thus formed, eliminates external disturbance well, so as to improve detection article image quality.
Description
Technical field
The utility model is related to technical field of vision detection, more particularly to the image collecting device for on-line checking.
Background technology
With the disappearance of China demographic dividend, equipment institute's generation of more and more online artificial detection post automations
It replaces.At present, machine vision is widely used in on-line automatic defects detection in high-speed production lines, measures etc..Vision is examined
It surveys and is can to keep long-time, continual high speed detection effect better than artificial detection, and for general Vision imaging system,
Can image quality determine the premise that meet detection demand.Therefore the system of imaging is designed to for vision detection system
One of core.
At present for the outer framework structure of most of detection device, the general design for using channel-type, i.e., in straight line chain road
On, side is entrance, and opposite side is outlet, and inside is illuminated by the distribution of light sources of different location, is then used in difference
The camera of position captures target.
It is deposited simultaneously since on-line checking entrance and exit has lasting detection article to pass through, and in same detection space
In multiple targets, therefore not only there is the interference of internal reflection, similary external light source also impacts imaging, serious by nothing
Method realizes effective detection function.
The illumination of current most on-line detecting system is approaches uniformity field, is locally having apparent difference, so as to
Whole accuracy of detection is interfered with, considerably increases the complexity of detection algorithm.Uniform illumination Spatial General 6 R can only be at present
It after local lighting, is realized in a manner that line is swept or is spliced, but this mode is not suitable for the automatic life of high speed
Producing line.
Invention content
In view of the above problems, a purpose of the utility model is to provide for one kind and overcomes the above problem or at least part
The image collecting device for on-line checking that ground solves the above problems.
The utility model one is further objective is that promoting the imaging effect of article to be detected and improving on-line checking effect
Rate.
The utility model provides a kind of image collecting device for on-line checking, for being conveyed by carrier chain road
Multiple articles to be detected are taken pictures successively, and to obtain the image of each article to be detected, device includes：
Sense channel has an import opposite on carrier chain road conveying direction and an outlet, in order to object to be detected
Product enter sense channel by import, and pass through outlet and leave sense channel；
Light source is set in sense channel, for illuminating article to be detected；
Camera is configured to take pictures to entering the article to be detected in sense channel；
Two chopping mechanisms, one of chopping mechanism are set to entrance, are configured to enter detection in article to be detected
Import to be opened during channel, covers import after article to be detected enters sense channel, another chopping mechanism is set to exit,
It is configured to open outlet when article to be detected leaves sense channel, outlet is covered after article to be detected enters sense channel.
Optionally, each chopping mechanism includes an anti-dazzling screen group or two anti-dazzling screen groups；
Two anti-dazzling screen groups that each chopping mechanism includes are set gradually along the horizontal direction of sense channel；
Each anti-dazzling screen group includes an anti-dazzling screen or multiple anti-dazzling screens；
Multiple anti-dazzling screens that each anti-dazzling screen group includes are set gradually, and multiple shading along the horizontal direction of sense channel
Each anti-dazzling screen in piece is arranged vertically；Or
Multiple anti-dazzling screens that each anti-dazzling screen group includes are set gradually, and multiple shading along the vertical direction of sense channel
Each anti-dazzling screen in piece is horizontally disposed；And
Two adjacent anti-dazzling screens edge close to each other abuts in multiple anti-dazzling screens that each anti-dazzling screen group includes, so as to
In masking import or export.
Optionally, multiple anti-dazzling screens that anti-dazzling screen group includes are flexible shading piece；
Two adjacent flexible shading pieces are configured to when article to be detected is moved to and is contacted with flexible shading piece so that soft
Property anti-dazzling screen deform upon, with by article to be detected movement power squeeze two adjacent flexible shading pieces so that
Article to be detected enters sense channel across chopping mechanism or leaves sense channel；
Two adjacent flexible shading pieces are additionally configured to when article to be detected is detached from it, and flexible shading piece restores to closing
Sense channel is formed a closing detection space, so as to which the veiling glare outside sense channel be avoided to influence object to be detected by closed state
The image quality of product.
Optionally, image collecting device further includes：
Clamping device is configured to the front clamp article to be detected contacted in article to be detected with flexible shading piece, to avoid
Article to be detected is toppled over when being contacted with flexible shading piece.
Optionally, the color of each flexible shading piece towards sense channel one side is identical with the inner wall color of sense channel.
Optionally, the material of flexible shading piece is rubber, plastics or metal.
Optionally, each chopping mechanism further includes driving unit；
The quantity of driving unit that each chopping mechanism includes it is identical with the quantity of anti-dazzling screen group that chopping mechanism includes and
It corresponds；
Driving unit corresponding with the anti-dazzling screen group positioned at entrance is configured to when article to be detected will enter import,
The anti-dazzling screen group positioned at entrance is driven to remove import, to open import so that article to be detected enters sense channel；
Driving unit corresponding with the anti-dazzling screen group positioned at entrance is additionally configured to enter sense channel when article to be detected
Afterwards, the anti-dazzling screen group positioned at entrance is driven to be moved to the position of masking import；
Driving unit corresponding with the anti-dazzling screen group positioned at exit is configured to after article to be detected enters sense channel,
The anti-dazzling screen group positioned at exit is driven to be moved to the position of masking outlet, to form the sense channel of closing；
Driving unit corresponding with the anti-dazzling screen group positioned at exit is additionally configured to when article will leave sense channel,
The anti-dazzling screen group positioned at exit is driven to remove outlet, to open outlet so that article passes through outlet to remove sense channel.
Optionally, image collecting device further includes：
Photoelectric sensor is configured to detect the position of article movement to be detected, to be sent to driving unit, light source and camera
Operative signals.
Optionally, the color of each anti-dazzling screen towards sense channel one side is identical with the inner wall color of sense channel.
Optionally, image collecting device further includes：
Bottle distributing mechanism is set to the upstream of sense channel, and identical with carrier chain road moving direction and movement speed, configuration
For multiple articles to be detected are equidistantly detached.
The image collecting device for on-line checking of the utility model is distinguished by the inlet and outlet in sense channel
One chopping mechanism is set, and after article to be detected enters sense channel, chopping mechanism closes inlet and outlet, forms one
The sense channel of illumination patterns closing and with substantially uniformity, thus can avoid external light source or internal reflection to be detected
The influences such as local reflex, light and shade unevenness, dispersion, shade are formed on article surface, external disturbance are eliminated well, so as to be promoted
Detect article image quality so that detect the defects of article to be detected is presented with extraordinary contrast in the imaging of article and the flaw
Defect.
Further, in the image collecting device for on-line checking of the utility model, multiple flexible shading pieces are utilized
Chopping mechanism is formed, when article to be detected is delivered to by carrier chain road to be contacted with anti-dazzling screen, flexible shading piece can be squeezed, treated
After detection article enters sense channel across flexible shading piece, flexible shielding plate restores to closed state, avoids external light source pair
The influence of sense channel, so as to form the uniform sense channel of illumination patterns.The structure of such chopping mechanism is simple, is easy to obtain
It takes, is easy to article to be detected and enters or leave sense channel, and good interception can be played, and cost is relatively low.
Further, in the image collecting device for on-line checking of the utility model, article to be detected with it is soft
Property anti-dazzling screen contact before using gripper mechanism grips article to be detected, when avoiding the article to be detected from being contacted with flexible shading piece and
Topple over, keep the moving stability of article to be detected.
Further, in the image collecting device for on-line checking of the utility model, each flexible shading piece or
The color of anti-dazzling screen towards the one side of sense channel is identical with the inner wall color of sense channel, convenient for the uniform bright field of formation or secretly
, influence of the internal reflection light and shade unevenness to article imaging effect is avoided, article image quality is promoted, so as to improve accuracy of detection
And stability.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Description of the drawings
Some specific realities of the utility model are described in detail by way of example rather than limitation with reference to the accompanying drawings hereinafter
Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that
What these attached drawings were not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram in the image collecting device for on-line checking and carrier chain road of the prior art；
Fig. 2 is the schematic structure according to the chopping mechanism of the image collecting device of the utility model one embodiment
Figure；
Fig. 3 is the schematic structure according to the chopping mechanism of the image collecting device of second embodiment of the utility model
Figure；
Fig. 4 is the schematic structure according to the chopping mechanism of the image collecting device of the utility model third embodiment
Figure；
Fig. 5 is the schematic diagram of the image collecting device and carrier chain road according to the utility model one embodiment；
Fig. 6 is the schematic diagram of the image collecting device and carrier chain road according to another embodiment of the utility model；
Fig. 7 is the image imaging effect of the image collecting device of the prior art and the image collecting device of the utility model
Figure, (a) therein are using the image imaging effect figure of the image acquisition device of the prior art, and (b) is utilizes this practicality
The image imaging effect figure of novel image acquisition device；And
Fig. 8 is another image imaging effect of the image collecting device of the prior art and the image collecting device of the utility model
Fruit is schemed, and (a) therein is using the image imaging effect figure of the image acquisition device of the prior art, and (b) is utilizes this reality
With the image imaging effect figure of novel image acquisition device.
Specific embodiment
Fig. 1 is the schematic diagram in the image collecting device for on-line checking and carrier chain road of the prior art.
It is used for for the image collecting device of on-line checking to multiple articles 2 to be detected for being conveyed by carrier chain road 1 successively
It takes pictures, to obtain the image of each article 2 to be detected.The image collecting device includes sense channel 3, setting in general manner
In sense channel 3 for illuminate article 2 to be detected light source 4 and for enter sense channel 3 in article to be detected 2 into
The camera 5 that row is taken pictures.
Sense channel 3 have an import opposite on 1 conveying direction of carrier chain road and one outlet, article 2 to be detected by
Carrier chain road 1 is carried through import and enters in sense channel 3, and leaves sense channel 3 across opening.
Camera 5 is taken pictures to entering the article to be detected 2 in sense channel 3, obtains the imaging with detection article 2.Mesh
In the preceding image collecting device for on-line checking, due to sense channel 3 in import, exit be opening-wide state and
There are multiple articles 2 to be detected in sense channel 3 so that the imaging effect to current article 2 to be detected is difficult entirely to regard
Yezhong reaches uniform illuminating effect, and imaging is impacted, serious to will be unable to realize effective detection function.
Particularly, the image collecting device provided in this embodiment for on-line checking, including two chopping mechanisms 6.Its
In a chopping mechanism 6 be set to entrance, be configured to article 2 to be detected enter sense channel 3 when open import, to be checked
It surveys after article 2 enters sense channel 3 and covers import, another chopping mechanism 6 is set to exit, is configured in article to be detected
2 open outlet when leaving sense channel 3, cover outlet after article 2 to be detected enters sense channel 3.
Image collecting device further includes bottle distributing mechanism 8.Bottle distributing mechanism 8 can be sub-bottle screw rod, and bottle distributing mechanism 8 is set to inspection
The upstream of channel 3 is surveyed, and identical with 1 moving direction of carrier chain road and movement speed, be configured to be conveyed by carrier chain road 1 more
A article to be detected 2 equidistantly detaches.It is possible thereby to ensure to only exist an article 2 to be detected in sense channel 3 as possible, when
Need to detect the smaller local time of size of article 2, such as the regions such as bottleneck, bottle cap of detection glass container, due to bottle cap it
Between have enough spacing in itself, then can utilize bottle distributing mechanism 8 carry out sub-bottle operation.
Fig. 2 is the schematic structure according to the chopping mechanism 6 of the image collecting device of the utility model one embodiment
Figure, Fig. 3 is according to the schematic diagram of the chopping mechanism 6 of the image collecting device of second embodiment of the utility model, Fig. 4
It is the schematic diagram according to the chopping mechanism 6 of the image collecting device of the utility model third embodiment.
Each chopping mechanism 6 includes an anti-dazzling screen group 6-1 or two anti-dazzling screen group 6-1.For example, the shading of entrance
The chopping mechanism 6 in mechanism 6 and exit includes an anti-dazzling screen group 6-1, alternatively, the chopping mechanism 6 of entrance and exit
Chopping mechanism 6 in a chopping mechanism 6 include an anti-dazzling screen group 6-1, another chopping mechanism 6 include two anti-dazzling screens
Group 6-1.
If chopping mechanism 6 includes an anti-dazzling screen group 6-1, the size of anti-dazzling screen group 6-1 is determined according to the size of import,
Being subject to anti-dazzling screen group 6-1 can completely obscured import or export.
If chopping mechanism 6 includes two anti-dazzling screen group 6-1, which can be along the transverse direction side of sense channel 3
To setting gradually, the horizontal direction of sense channel 3 refers to the width direction of sense channel 3, also is understood as wide with carrier chain road 1
Spend the substantially parallel direction in direction.
Each anti-dazzling screen group 6-1 in two anti-dazzling screen group 6-1 in chopping mechanism 6 include an anti-dazzling screen 6-1a or
Multiple anti-dazzling screen 6-1a, multiple anti-dazzling screen 6-1a that each anti-dazzling screen group 6-1 includes are set successively along the horizontal direction of sense channel 3
It puts, and each anti-dazzling screen 6-1a in multiple anti-dazzling screen 6-1a is arranged vertically；Or each anti-dazzling screen group 6-1 include it is multiple
Anti-dazzling screen 6-1a is set gradually along the vertical direction of sense channel 3, and each anti-dazzling screen 6-1a in multiple anti-dazzling screen 6-1a
It is horizontally disposed.
If anti-dazzling screen group 6-1 includes an anti-dazzling screen 6-1a, in normal condition, two anti-dazzling screens in chopping mechanism 6
The edge that the anti-dazzling screen of group 6-1 is close to each other abuts, to cover import or export.
If multiple anti-dazzling screen 6-1a that anti-dazzling screen group 6-1 includes, in normal condition, what each anti-dazzling screen group 6-1 included
The edge that two adjacent anti-dazzling screen 6-1a are close to each other in multiple anti-dazzling screen 6-1a abuts, and phase in two anti-dazzling screen group 6-1
Mutually edge close to each other two close anti-dazzling screen 6-1a abuts, in order to cover import or export.
As shown in Fig. 2, chopping mechanism 6, which includes two anti-dazzling screen groups 6-1, each anti-dazzling screen group 6-1, includes multiple anti-dazzling screens
6-1a, multiple anti-dazzling screen 6-1a are set gradually along the horizontal direction of sense channel 3, and each in multiple anti-dazzling screen 6-1a
Anti-dazzling screen 6-1a is arranged vertically, and two anti-dazzling screen 6- adjacent in multiple anti-dazzling screen 6-1a that each anti-dazzling screen group 6-1 includes
End face close to each other 1a abuts.
As shown in figure 3, chopping mechanism 6, which includes two anti-dazzling screen groups 6-1, each anti-dazzling screen group 6-1, includes multiple anti-dazzling screens
6-1a, multiple anti-dazzling screen 6-1a are set gradually along the vertical direction of sense channel 3, and each in multiple anti-dazzling screen 6-1a
Anti-dazzling screen 6-1a is horizontally disposed, and two anti-dazzling screen 6- adjacent in multiple anti-dazzling screen 6-1a that each anti-dazzling screen group 6-1 includes
End face close to each other 1a abuts.
As shown in figure 4, chopping mechanism 6 further includes multiple shadings including two anti-dazzling screen groups 6-1, each anti-dazzling screen group 6-1
Piece subgroup 6-1b to form multilayered structure, reaches better shaded effect.Multiple shadings that each anti-dazzling screen subgroup 6-1b includes
Piece 6-1a, multiple anti-dazzling screen 6-1a are set gradually, and every in multiple anti-dazzling screen 6-1a along the vertical direction of sense channel 3
A anti-dazzling screen 6-1a is horizontally disposed.
Fig. 5 is the schematic diagram of the image collecting device and carrier chain road 1 according to the utility model one embodiment.
The structure of sense channel 3 is concealed in Fig. 5, to show the structure chart of the clamping device 9 in sense channel 3.
In one of the embodiments, as shown in figure 5, multiple anti-dazzling screen 6- that anti-dazzling screen group 6-1 described above includes
1a can be flexible shading piece.For example, multiple flexible shading pieces of anti-dazzling screen group 6-1 extend vertically, formed similar to door curtain
Structure.
The material of each flexible shading piece is flexible material, and it is good, no that the material of flexible shading piece is typically chosen flexibility
The material easily lost, such as rubber, plastics, foil etc..The higher production line of some temperature, such as vitreous bottle producing are given birth to
Producing line needs the flexible material using heatproof.
The color of each flexible shading piece towards the one side of sense channel 3 is identical with the inner wall color of sense channel 3, example
Such as, if bright field in sense channel 3, then the color of flexible shading piece towards 3 one side of sense channel is white, sense channel 3
It is interior if details in a play not acted out on stage, but told through dialogues, then flexible shading piece towards 3 one side of sense channel color be black.Thus it can be formed highly uniform bright
Field or details in a play not acted out on stage, but told through dialogues avoid influence of the sense channel internal reflection light and shade unevenness to article imaging effect, promote article image quality, from
And improve accuracy of detection and stability.
State in masking import or masking outlet during 6 nature of chopping mechanism, when article 2 to be detected is by carrier chain
The conveying of road 1 is moved to when being contacted with flexible shading piece, may be such that flexible shading piece deforms upon, to be moved by article 2 to be detected
Dynamic power squeezes two adjacent flexible shading pieces, so that article to be detected 2 passes through chopping mechanism 6 to enter sense channel
3 or leave sense channel 3.
After article 2 to be detected is detached from flexible shielding plate, flexible shielding plate restores due to gravity to closing shape
Sense channel 3 is formed closing detection space, so as to which the veiling glare outside sense channel 3 be avoided to influence article 2 to be detected by state
Image quality.
Article 2 to be detected pass through entrance chopping mechanism 6 enter sense channel 3 after, light source 4 is controlled to be lighted, illuminate into
Enter the article 2 of sense channel 3, camera 5 is controlled to take pictures to article 2, obtains the imaging of article 2.
Since the entrance of sense channel 3 and exit are arranged with chopping mechanism 6, article 2 move during with screening
Ray machine structure 6 contacts, and easily topples over.In order to ensure that object passes through, in the present embodiment, image collecting device may also include folder
Mechanism 9 is held, clamping device 9 is configured to the front clamp article 2 to be detected contacted in article 2 to be detected with flexible shading piece, to keep away
Exempt to topple over when article 2 to be detected is contacted with flexible shading piece.It also is understood as, article 2 and the flexible shading of entrance
The front clamp article 2 of piece contact, article 2 pass through outlet to be detached from after removing sense channel 3 with clamping device.
As shown in figure 5, clamping device 9 may include two belt pulley sets positioned at 2 moving direction both sides of article.Each belt
Wheel group includes a driving wheel, the motor for driving driving wheel rotation, at least one driven wheel and wound on driving wheel and at least
Belt on one driven wheel.When article 2 is moved between two the first belts in two the first belt pulley sets, two first
Belt clamps article 2, and two the first belts are driven by motor with the speed movement identical with carrier chain road 1.
Fig. 6 is the schematic diagram of the image collecting device and carrier chain road 1 according to another embodiment of the utility model.
The structure of sense channel 3 has been concealed in Fig. 6.
In another embodiment, each chopping mechanism 6 further includes driving unit 7.The driving list that each chopping mechanism 6 includes
The quantity of member 7 is identical with the quantity of anti-dazzling screen group 6-1 that chopping mechanism 6 includes and corresponds.For example, if chopping mechanism 6 wraps
An anti-dazzling screen group 6-1 is included, then the chopping mechanism 6 further includes a driving unit 7 being connect with anti-dazzling screen group 6-1, if hiding
Ray machine structure 6 include two anti-dazzling screen group 6-1, then the chopping mechanism 6 further include two respectively with corresponding anti-dazzling screen group 6-1 connections
Driving unit 7.As shown in fig. 6, the chopping mechanism 6 of entrance and exit arrangement includes two anti-dazzling screen group 6-1 and two
It is a respectively with the one-to-one driving units 7 of anti-dazzling screen group 6-1.
Driving unit 7 corresponding with the anti-dazzling screen group 6-1 positioned at entrance be configured to when article 2 to be detected will enter into
During mouth, the anti-dazzling screen group 6-1 positioned at entrance is driven to remove import, to open import so that article 2 to be detected is logical into detecting
Road 3.
Driving unit 7 corresponding with the anti-dazzling screen group 6-1 positioned at entrance is additionally configured to enter detection when article 2 to be detected
After channel 3, the anti-dazzling screen group 6-1 positioned at entrance is driven to be moved to the position of masking import.With the anti-dazzling screen positioned at exit
The corresponding driving units 7 of group 6-1 are configured to after article 2 to be detected enters sense channel 3, drive the anti-dazzling screen positioned at exit
Group 6-1 is moved to the position of masking outlet, to form the sense channel 3 of closing.The sense channel 3 of a shading is consequently formed, from
And the influence that external light source 4 is avoided to be imaged camera 5, the imaging effect of camera 5 is improved, eliminates external disturbance well, with
The detection defect and flaw of article 2 is presented in extraordinary contrast.
Driving unit 7 corresponding with the anti-dazzling screen group 6-1 positioned at exit is additionally configured to lead to when article 2 will leave detection
During road 3, the anti-dazzling screen group 6-1 positioned at exit is driven to remove outlet, to open outlet so that article 2 passes through outlet to remove inspection
Survey channel 3.
In the present embodiment, each anti-dazzling screen is towards the color of the one side of sense channel 3 and the inner wall color phase of sense channel 3
Together, for example, if bright field in sense channel 3, then the color of anti-dazzling screen 6-1a towards the one side of sense channel 3 is white, is examined
It surveys in channel 3 if details in a play not acted out on stage, but told through dialogues, then the color of anti-dazzling screen 6-1a towards the one side of sense channel 3 is black.Thus it can be formed non-
Often uniform bright field or details in a play not acted out on stage, but told through dialogues, avoid influence of the sense channel internal reflection light and shade unevenness to article imaging effect, promote article
Image quality, so as to improve accuracy of detection and stability.
Image collecting device may also include photoelectric sensor, and photoelectric sensor is configured to detect what article 2 to be detected moved
Position, to send operative signals to driving unit 7, light source 4 and camera 5.When photoelectric sensor detects that article 2 will be moved to
During the import of sense channel 3, photoelectric sensor sends operative signals to the driving unit 7 of the chopping mechanism 6 positioned at entrance, into
The driving unit 7 of chopping mechanism 6 at mouthful drives shielding plate group to remove import, and article 2 enters sense channel 3 by import,
After article 2 enters sense channel 3, driving unit 7 drives shielding plate group to be moved to the position for covering import.Similarly, it is located at
The driving unit 7 of chopping mechanism 6 at mouthful drives anti-dazzling screen group 6-1 to be moved to the position of masking outlet, and closing is formed with this
Sense channel 3.When article 2 is moved to determining test position in sense channel 3, light source 4 is controlled to be lighted, and camera 5 is to object
Product 2 are taken pictures, and obtain 2 image of article.When article 2 will be moved to outlet, positioned at the drive of the chopping mechanism 6 in exit
Moving cell 7 drives anti-dazzling screen group 6-1 to remove outlet, and article 2 leaves sense channel 3 by outlet, with constantly to carrier chain road 1
On multiple articles 2 take pictures.
Fig. 7 is the image imaging effect of the image collecting device of the prior art and the image collecting device of the utility model
Figure, a therein are using the image imaging effect figure of the image acquisition device of the prior art, and b is utilizes the utility model
Image acquisition device image imaging effect figure.
Fig. 7 is shown detects imaging effect figure for aluminium lid coding.By Fig. 7 (a), it can be seen that, the image of the prior art is adopted
In the aluminium lid imaging effect figure that acquisition means obtain, in the corresponding both sides dotted line circle of aluminium lid, left-side images exist apparent dark
Shadow region, the brightness in the region and normal coding region is indistinguishable, so as to cause that can not be detected to coding,
Affect whole detection result.By Fig. 7 (b), it can be seen that, the aluminium lid imaging that the image collecting device of the present embodiment obtains is imitated
On fruit figure, the color of whole aluminium lid, brightness are all highly uniform, and part originally golden on aluminium lid (is shown in the dotted line circle of right side
The part shown) brightness of script is also shown, by the processing to the image, coding can effectively be detected.
Fig. 8 shows the imaging effect figure for glass bottle opening defects detection.It can see by Fig. 8 (a), the prior art
In the glass bottle opening imaging effect figure that image collecting device obtains, in dotted line circle it can be seen that, the environment in outside and adjacent
The reflective of vial forms light tone region in the picture, causes interference to bottleneck region to be detected, can not effectively examine
Survey glass bottle opening defect.It can see by Fig. 8 (b), the glass bottle opening imaging effect of the image collecting device acquisition of the present embodiment
On figure, the light tone interference in dotted line circle all obtains effectively elimination, and bottle mouth defect can be effectively detected.
The image collecting device for on-line checking of the present embodiment is distinguished by the inlet and outlet in sense channel 3
One chopping mechanism 6 is set, and after article 2 to be detected enters sense channel 3, chopping mechanism 6 closes inlet and outlet, is formed
The sense channel 3 of one illumination patterns closing and with substantially uniformity, thus can avoid external light source 4 or internal reflection from existing
The influences such as local reflex, light and shade unevenness, dispersion, shade are formed on 2 surface of article to be detected, eliminate external disturbance well,
The defects of so as to promote detection 2 image quality of article, article 2 to be detected are presented with extraordinary contrast and flaw.
The image collecting device for on-line checking of the present embodiment, can be most for the target to be detected such as cylinder, curved surface
The elimination both sides of big degree and centre uneven illumination be even and the inlet and outlet of sense channel 3 caused by reflected image.This is right
In raising accuracy of detection and realize that the detection demand that part becomes more meticulous has very important significance.It and can be maximum
Shield influence of the external environment to imaging, particularly when observing visual angle along 3 extending direction of sense channel imaging be easiest to by
Interference.
Further, in the image collecting device for on-line checking of the present embodiment, multiple flexible shading piece shapes are utilized
Into chopping mechanism 6, when article 2 to be detected is delivered to by carrier chain road 1 to be contacted with flexible shading piece, flexible shading piece can be squeezed
It opens, article 2 to be detected enters sense channel 3 across flexible shading piece, and flexible shielding plate restores closed state, avoids external light source
The influence of 4 pairs of sense channels 3, so as to form the uniform sense channel 3 of illumination patterns.The structure of such chopping mechanism 6 is simple, easy
In acquisition, be easy to article 2 to be detected and enter or leave sense channel 3, and good interception can be played, and cost compared with
It is low.
Further, in the image collecting device for on-line checking of the present embodiment, in article 2 to be detected and flexibility
Using gripper mechanism grips article 2 to be detected before anti-dazzling screen contact, when avoiding the article 2 to be detected from being contacted with flexible shading piece and
Topple over, keep the moving stability of article 2 to be detected.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the more of the utility model
A exemplary embodiment, still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The range of type is understood that and regards as to cover other all these variations or modifications.
Claims (10)
1. a kind of image collecting device for on-line checking, for the multiple articles to be detected conveyed by carrier chain road successively
It takes pictures, to obtain the image of each article to be detected, which is characterized in that described device includes：
Sense channel has an import opposite on carrier chain road conveying direction and an outlet, in order to described to be checked
It surveys article and the sense channel is entered by the import, and pass through the outlet and leave the sense channel；
Light source is set in the sense channel, for illuminating the article to be detected；
Camera is configured to take pictures to entering the article to be detected in the sense channel；
Two chopping mechanisms, one of them described chopping mechanism are set to the entrance, are configured in the article to be detected
The import is opened during into the sense channel, covered after the article to be detected enters the sense channel it is described into
Mouthful, another described chopping mechanism is set to the exit, is configured to leave the sense channel in the article to be detected
When open the outlet, the article to be detected enter the sense channel after cover the outlet.
2. image collecting device according to claim 1, it is characterised in that
Each chopping mechanism includes an anti-dazzling screen group or two anti-dazzling screen groups；
Described two anti-dazzling screen groups that each chopping mechanism includes are set gradually along the horizontal direction of the sense channel；
Each anti-dazzling screen group includes an anti-dazzling screen or multiple anti-dazzling screens；
The multiple anti-dazzling screen that each anti-dazzling screen group includes is set gradually along the horizontal direction of the sense channel, and should
Each anti-dazzling screen in multiple anti-dazzling screens is arranged vertically；Or
The multiple anti-dazzling screen that each anti-dazzling screen group includes is set gradually along the vertical direction of the sense channel, and should
Each anti-dazzling screen in multiple anti-dazzling screens is horizontally disposed；And
Two adjacent anti-dazzling screens edge close to each other in the multiple anti-dazzling screen that each anti-dazzling screen group includes
It abuts, in order to cover the import or the outlet.
3. image collecting device according to claim 2, it is characterised in that
The multiple anti-dazzling screen that the anti-dazzling screen group includes is flexible shading piece；
Two adjacent flexible shading pieces are configured to contact with the flexible shading piece when the article to be detected is moved to
When so that the flexible shading piece deforms upon, and two adjacent institutes are squeezed with the power by the article movement to be detected
Flexible shading piece is stated, so that the article to be detected passes through the chopping mechanism to enter the sense channel or leave described
Sense channel；
Two adjacent flexible shading pieces are additionally configured to when the article to be detected is detached from it, the flexible shading piece
Restore to closed state, the sense channel is formed into a closing detection space, so as to avoid outside the sense channel
Veiling glare influences the image quality of the article to be detected.
4. image collecting device according to claim 3, it is characterised in that further include：
Clamping device is configured to object to be detected described in the front clamp contacted in the article to be detected with the flexible shading piece
Product are toppled over when being contacted to avoid the article to be detected with the flexible shading piece.
5. image collecting device according to claim 3, it is characterised in that
The color of each the flexible shading piece towards the sense channel one side is identical with the inner wall color of the sense channel.
6. image collecting device according to claim 3, it is characterised in that
The material of the flexible shading piece is rubber, plastics or metal.
7. image collecting device according to claim 2, it is characterised in that
Each chopping mechanism further includes driving unit；
The anti-dazzling screen group that the quantity for the driving unit that each chopping mechanism includes includes with the chopping mechanism
Quantity it is identical and correspond；
The driving unit corresponding with the anti-dazzling screen group positioned at the entrance is configured to work as the article to be detected i.e.
When will enter the import, the anti-dazzling screen group positioned at the entrance is driven to remove the import, to open the import,
So that the article to be detected enters the sense channel；
The driving unit corresponding with the anti-dazzling screen group positioned at the entrance is additionally configured to when the article to be detected
Into after the sense channel, the anti-dazzling screen group positioned at the entrance is driven to be moved to the position for covering the import；
The driving unit corresponding with the anti-dazzling screen group positioned at the exit be configured to when the article to be detected into
After entering the sense channel, the anti-dazzling screen group positioned at the exit is driven to be moved to the position for covering the outlet, with
Form the sense channel of closing；
The driving unit corresponding with the anti-dazzling screen group positioned at the exit is additionally configured to when the article will be from
When opening the sense channel, the anti-dazzling screen group positioned at the exit is driven to remove the outlet, to open the outlet,
So that the article passes through the outlet to remove the sense channel.
8. image collecting device according to claim 7, it is characterised in that further include：
Photoelectric sensor is configured to detect the position of the article movement to be detected, with to the driving unit, the light source and
The camera sends operative signals.
9. image collecting device according to claim 7, it is characterised in that
The color of each anti-dazzling screen towards the sense channel one side is identical with the inner wall color of the sense channel.
10. image collecting device according to claim 1, it is characterised in that further include：
Bottle distributing mechanism is set to the upstream of the sense channel, and identical with carrier chain road moving direction and movement speed,
It is configured to equidistantly detach the multiple article to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741217.3U CN207502417U (en) | 2017-12-14 | 2017-12-14 | For the image collecting device of on-line checking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741217.3U CN207502417U (en) | 2017-12-14 | 2017-12-14 | For the image collecting device of on-line checking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502417U true CN207502417U (en) | 2018-06-15 |
Family
ID=62509531
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721741217.3U Active CN207502417U (en) | 2017-12-14 | 2017-12-14 | For the image collecting device of on-line checking |
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| Country | Link |
|---|---|
| CN (1) | CN207502417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807081A (en) * | 2019-02-25 | 2019-05-28 | 四川大学 | A kind of transparent cartridge detection system |
| CN111842183A (en) * | 2020-07-27 | 2020-10-30 | 深圳市维图视技术有限公司 | Bottle body detection device and bottle body detection method |
| CN112452801A (en) * | 2020-09-28 | 2021-03-09 | 江苏孚日玻璃科技有限公司 | High-efficiency online detection device for defects of glass bottles and working method thereof |
-
2017
- 2017-12-14 CN CN201721741217.3U patent/CN207502417U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807081A (en) * | 2019-02-25 | 2019-05-28 | 四川大学 | A kind of transparent cartridge detection system |
| CN109807081B (en) * | 2019-02-25 | 2021-02-26 | 四川大学 | Transparent box body detection system |
| CN111842183A (en) * | 2020-07-27 | 2020-10-30 | 深圳市维图视技术有限公司 | Bottle body detection device and bottle body detection method |
| CN112452801A (en) * | 2020-09-28 | 2021-03-09 | 江苏孚日玻璃科技有限公司 | High-efficiency online detection device for defects of glass bottles and working method thereof |
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