CN208596262U - Liquid crystal display panel conducting particles Automatic Visual Inspection device - Google Patents
Liquid crystal display panel conducting particles Automatic Visual Inspection device Download PDFInfo
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- CN208596262U CN208596262U CN201821290810.5U CN201821290810U CN208596262U CN 208596262 U CN208596262 U CN 208596262U CN 201821290810 U CN201821290810 U CN 201821290810U CN 208596262 U CN208596262 U CN 208596262U
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Abstract
The utility model relates to a kind of liquid crystal display panel conducting particles Automatic Visual Inspection devices, including Mobile Slide module and the vision-based detection module being fixed in the Mobile Slide module, the vision-based detection module includes the first focusing unit, the second focusing unit and imaging unit.The automatic detection to liquid crystal display panel conducting particles may be implemented in the liquid crystal display panel conducting particles Automatic Visual Inspection device of the utility model, and detection accuracy is high, and tunable performance is preferable.
Description
Technical field
The utility model relates to the detection technique field of liquid crystal display panel ACF conducting particles more particularly to a kind of liquid crystal display panels
Conducting particles Automatic Visual Inspection device.
Background technique
With increasingly being promoted for liquid crystal device production requirement and being showing improvement or progress day by day for liquid panel technique, liquid crystal display panel is lacked
The requirement for falling into detection is also higher and higher.When the ACF conducting particles to liquid crystal display panel detects, since such liquid crystal display panel is led
The size of charged particle is smaller, and the process is more complicated, so that the detection of such liquid crystal display panel conducting particles is for detection camera
It is more demanding, it is detected in the prior art often by artificial detection or with the static direction of camera motion panel, thus
It deposits the influence in the detection process due to vibration or other factors more, causes the acquisition of detection camera image is more fuzzy to ask
Topic, is unable to satisfy high-precision testing requirements.
Utility model content
The purpose of this utility model is to provide a kind of liquid crystal display panel conducting particles Automatic Visual Inspection device, improve for
The detection accuracy of liquid crystal display panel conducting particles.
To achieve the above object, the utility model provides a kind of liquid crystal display panel conducting particles Automatic Visual Inspection device, packet
The vision-based detection module for including Mobile Slide module and being fixed in the Mobile Slide module, the vision-based detection module include the
One focusing unit, the second focusing unit and imaging unit.
One aspect according to the present utility model, the optical axis phase of the optical axis of the imaging unit and first focusing unit
It is mutually overlapped, the optical path of second focusing unit is connected with the optical path of the imaging unit.
One aspect according to the present utility model, first focusing unit include Focusing mechanism and with the Focusing mechanism
The driving mechanism being mutually permanently connected；
The Focusing mechanism includes object lens, the microscope below the object lens and described microscopical for installing
Microscope mounting base；
The driving mechanism includes object lens pinboard and the driving assembly that is fixedly connected with the object lens pinboard, the object
Mirror is fixed on the object lens pinboard.
One aspect according to the present utility model, the microscope are differential interference contrast microscope.
One aspect according to the present utility model including lens barrel, the link block being supported on the lens barrel and is located at described
The image camera being connect below lens barrel with the lens barrel；
The link block is connected with first focusing unit, and the lens barrel includes be sequentially communicated along the vertical direction
One barrel portion, the second barrel portion and third barrel portion.
One aspect according to the present utility model, in the horizontal direction, second focusing unit and first lens barrel portion
Divide and is set side by side；
The first spectroscope, the optical path of second focusing unit and first lens barrel are equipped in first barrel portion
Optical path in part is connected.
Second is equipped in one aspect according to the present utility model, second barrel portion or the third barrel portion
Spectroscope.
One aspect according to the present utility model is equipped with the between first barrel portion and second barrel portion
One fixed connecting plate is equipped with the second fixed connecting plate between second barrel portion and the third barrel portion；
First fixed connecting plate and second fixed connecting plate are fixedly connected in the Mobile Slide module 1.
One aspect according to the present utility model, second focusing unit include laser Focusing mechanism and with the laser
The adjustment mechanism that Focusing mechanism is fixedly connected；
The optical filter that the laser Focusing mechanism includes third spectroscope, is arranged on the third spectroscope reflected light path
And sensitive image sensor；
The adjustment mechanism includes fixed plate, the first pinboard being connected in the fixed plate and is connected to described
The second pinboard on one pinboard, second pinboard are fixed in the Mobile Slide module 1.
One aspect according to the present utility model, first pinboard are equipped with first and adjust mounting hole and the second adjusting
Mounting hole.
One aspect according to the present utility model, the Mobile Slide module include:
Sliding rail；
Slide unit is supported on the sliding rail, is moved on the sliding rail；
The floor that the slide unit is equipped with mounting plate and is mutually permanently connected with the mounting plate, described second
Focusing unit and the imaging unit are fixed on the mounting plate.
A scheme according to the present utility model, may be implemented by the second focusing unit and the first focusing unit to liquid crystal
The auto-focusing in panel detection region can guarantee higher focusing precision, then use liquid crystal display panel by imaging unit again
The image of detection zone is analyzed and processed, and testing result is obtained, to guarantee the accuracy of testing result.
A scheme according to the present utility model, microscope use differential interference contrast microscope.Due on liquid crystal display panel
ACF conducting particles show as one by one raised region, can be made on liquid crystal display panel using differential interference contrast microscope
Conducting particles has three-dimensional sense, and feature is more prominent, is conducive to the analysis processing of image, to guarantee the height of final detection result
Accuracy.
A scheme according to the present utility model is equipped with the first fixed connecting plate between first lens barrel and the second lens barrel, the
The second fixed connecting plate is equipped between two lens barrels and third lens barrel.First fixed connecting plate and the second fixed connecting plate are each attached to
On the mounting plate of Mobile Slide module, so as to guarantee the rigidity and stability of the utility model vision-based detection module,
Can interference of the other factors for vision-based detection module be reduced, guarantees detection accuracy in the detection process.
A scheme according to the present utility model, vision-based detection module are arranged using blocking, by vision-based detection module point
For the first focusing unit, the second focusing unit and imaging unit, to be that the first focusing unit, the second focusing unit and imaging are single
Member can be debugged individually before assembly, greatly improve the adjustability of the utility model.
Detailed description of the invention
Fig. 1 is to schematically show to be examined according to a kind of liquid crystal display panel conducting particles automatic vision of embodiment of the utility model
Survey the configuration diagram of device；
Fig. 2 is schematically shown according to a kind of configuration diagram of the vision-based detection module of embodiment of the utility model；
Fig. 3 is the detection for schematically showing the liquid crystal display panel conducting particles Automatic Visual Inspection device using the utility model
Schematic diagram；
Fig. 4 is schematically shown according to a kind of configuration diagram of the Focusing mechanism of embodiment of the utility model；
Fig. 5 is schematically shown according to a kind of configuration diagram of the driving mechanism of embodiment of the utility model；
Fig. 6 is schematically shown according to a kind of configuration diagram of the imaging unit of embodiment of the utility model；
Fig. 7 is the perspective view for schematically showing the second focusing unit according to a kind of embodiment of the utility model；
Fig. 8 is the structure chart for schematically showing the second focusing unit according to a kind of embodiment of the utility model.
Meaning representated by numbering in the drawing is as follows:
1, Mobile Slide module；2, vision-based detection module；3, the first focusing unit；4, the second focusing unit；5, imaging is single
Member；31, Focusing mechanism；32, driving mechanism；311, object lens；312, microscope；313, microscope mounting base；321, object lens are transferred
Plate；322, driving assembly；51, lens barrel；52, link block；53, image camera；511, the first barrel portion；512, the second lens barrel portion
Point；513, third barrel portion；6, the first spectroscope；7, the second spectroscope；8, the first fixed connecting plate；9, it second is fixedly connected
Plate；41, laser Focusing mechanism；42, adjustment mechanism；411, third spectroscope；412, optical filter box；413, bearing member, image senses
Device；421, fixed plate；422, the first pinboard；423, the second pinboard；422a, first adjust mounting hole；422b, second are adjusted
Mounting hole；11, sliding rail；12, slide unit；121, mounting plate；122, floor.
Specific embodiment
It, below will be to implementation in order to illustrate more clearly of the utility model embodiment or technical solution in the prior art
Attached drawing needed in mode is briefly described.It should be evident that the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skills without creative efforts, can be with
It obtains other drawings based on these drawings.
When being described for the embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship is expressed by "outside"
Based on orientation or positional relationship shown in relevant drawings, it is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on
Stating term should not be understood as limiting the present invention.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot herein one
One repeats, but therefore the embodiments of the present invention is not defined in following implementation.
As shown in Figure 1, the liquid crystal display panel conducting particles Automatic Visual Inspection device of the utility model includes Mobile Slide mould
Block 1 and vision-based detection module 2.The Mobile Slide module 1 of the utility model includes sliding rail 11 and slide unit 12, and sliding rail 11 is along X-axis side
To setting, slide unit 12 is set on sliding rail 11, can be moved on sliding rail 11.In the present embodiment, slide unit 12 is equipped with installation
Fixed plate 121, mounting plate 121 are fixed on along the vertical direction on slide unit 12, and the vision-based detection module 2 of the utility model is fixed
On mounting plate 121, so can by slide unit 12 drive vision-based detection module 2 move at liquid crystal display panel to be detected into
Row detection.In order to guarantee that there is a situation where vibrations, and detection accuracy to be caused to be deteriorated for vision-based detection module in moving process, in slide unit 12
On be additionally provided with floor 122, enhance whole rigidity and stability.
Referring to figs. 1 and 2, the vision-based detection module 2 of the utility model is focused including the first focusing unit 3, second
Unit 4 and imaging unit 5.In the present embodiment, wherein the optical axis of imaging unit 5 and the optical axis of the first focusing unit 3 are mutual
It is overlapped ground setting, imaging unit 5 is located at the lower section of the first focusing unit 3.Second focusing unit 4 is located at the side of imaging unit 5,
In the present embodiment, the second focusing unit 4 is located at the right side of imaging unit 5, the optical path and imaging unit of the second focusing unit 4
5 optical path is connected.The utility model vision-based detection module 2, can be real by the second focusing unit 4 and the first focusing unit 3
It now to the auto-focusing of liquid crystal display panel detection zone, can guarantee higher focusing precision, then be used again by imaging unit 5
The image of liquid crystal display panel detection zone is analyzed and processed, and testing result is obtained, to guarantee the accuracy of testing result.Below
First focusing unit 3, the second focusing unit 4 and imaging unit 5 of the utility model are described in detail.
In conjunction with shown in Fig. 1-Fig. 5, first focusing unit 3 of the utility model includes Focusing mechanism 31 and driving mechanism 32,
Focusing mechanism 31 is mutually permanently connected with driving mechanism 32, and driving mechanism 32 can drive Focusing mechanism 31, to change focusing
The position of mechanism 31.Specifically, in the present embodiment, Focusing mechanism 31 includes object lens 311, microscope 312 and microscope
Mounting base 313.Microscope 312 is mounted in microscope mounting base 313, and object lens 311 are arranged above microscope 312, object lens 311
It is used to obtain the image information of liquid crystal display panel with microscope 312.
The driving mechanism 32 of the utility model includes object lens pinboard 321 and driving assembly 322.In the present embodiment,
Object lens pinboard 321 is set on object lens 311, and realization object lens 311 are fixedly connected with object lens pinboard 321.Driving assembly 322
It is fixedly connected positioned at 321 downside of object lens pinboard with object lens pinboard 321, driving assembly 322 can drive object lens pinboard 321
Z-direction moves up and down along the vertical direction, since object lens 311 are fixed on object lens pinboard 321, so driving assembly 322 can
To drive Focusing mechanism 31 to move up and down along the vertical direction, it can change between object lens 311 and microscope 312 and liquid crystal display panel
Distance, so as to realize auto-focusing.
In the present embodiment, driving assembly 322 uses motor sub-assembly, i.e., drives object lens 311 using motor sub-assembly and show
Micro mirror 312 moves up and down along the vertical direction, realizes auto-focusing, so as to mitigate the entirety weight of the first focusing unit 3 significantly
Amount, and fast response time of focusing.Certainly, design according to the present utility model, driving assembly 322 can also use other modes
It realizes, for example, by using motor driven, cylinder driving or hydraulic-driven etc..
In the present embodiment, microscope 312 uses differential interference contrast microscope.Since the ACF on liquid crystal display panel is led
Charged particle shows as region raised one by one, and the conducting particles on liquid crystal display panel can be made using differential interference contrast microscope
With three-dimensional sense, feature is more prominent, is conducive to the analysis processing of image, to guarantee the high accuracy of final detection result.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the imaging unit 5 of the utility model include lens barrel 51, link block 52 and at
As camera 53.In the present embodiment, lens barrel 51 includes the first barrel portion 511, the second mirror being sequentially communicated along the vertical direction
Canister portion points 512 and third barrel portion 513, i.e., in the present embodiment, the first barrel portion 51, the second barrel portion 52 and the
Being sequentially communicated from top to bottom of trinocular tube part 53.Link block 52 is fixedly supported upon on the first barrel portion 511, with the first focusing
Unit 3 is connected, and the first spectroscope 6 is equipped in the first barrel portion 511.Image camera 53 is located under third barrel portion 513
Side is connect with third barrel portion 513, and in the present embodiment, line-scan digital camera, third barrel portion can be used in image camera 53
The second spectroscope 7 is equipped in 513.Design according to the present utility model, the second spectroscope 7 also can be set in the second barrel portion
In 512.
In the present embodiment, the first fixed connecting plate is equipped between the first barrel portion 511 and the second barrel portion 512
8, the second fixed connecting plate 9 is equipped between the second barrel portion 512 and third barrel portion 513.In the present embodiment, first
Fixed connecting plate 8 and the second fixed connecting plate 9 be it is identical, the first fixed connecting plate 8 and the second fixed connecting plate 9 are each attached to
On the mounting plate 121 of Mobile Slide module 1, so as to guarantee the rigidity of the utility model vision-based detection module 2 and steady
It is qualitative, can interference of the other factors for vision-based detection module 2 be reduced, guarantees detection accuracy in the detection process.
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 6, along horizontal direction (X-direction), second focusing unit 4 and the first mirror
Canister portion point 511 is set side by side, and the optical path of the second focusing unit 4 is connected with the optical path of the first barrel portion 511, i.e., the second focusing
The optical path of unit 4 is connected with the optical path of imaging unit 5.
In conjunction with shown in Fig. 1, Fig. 3, Fig. 7 and Fig. 8, in the present embodiment, the second focusing unit 4 includes laser Focusing mechanism
41 and adjustment mechanism 42, laser adjustment mechanism 41 be mutually permanently connected with adjustment mechanism 42.Laser Focusing mechanism 41 includes third
The anti-of third spectroscope 411 is arranged in spectroscope 411, optical filter box 412 and sensitive image sensor 413, optical filter box 5
It penetrates in optical path, sensitive image sensor 413 is for obtaining image information.Adjustment mechanism 42 includes fixed plate 421, the first pinboard
422 and second pinboard 423.Fixed plate 421 is mutually permanently connected with laser Focusing mechanism 41, and the first pinboard 422 is connected to
In fixed plate 421, the second pinboard 423 is connected on the first pinboard 422, and the free end of the second pinboard 423 is fixed on peace
It fills in fixed plate 121.
In the present embodiment, the first pinboard 422 is equipped with first and adjusts the adjusting mounting hole of mounting hole 422a and second
422b.First adjusts the adjustable fixed plate 421 of mounting hole 422a in the position of Z-direction, due to fixed plate 421 and laser pair
Focusing mechanism 41 is mutually permanently connected, and described first adjusts the adjustable laser Focusing mechanism 41 of mounting hole 422a in the position of Z-direction
It sets.Similarly, the second adjusting adjustable laser Focusing mechanism 41 of mounting hole 422b, so can be right in the position of Y direction
Laser Focusing mechanism 41 is that the optical path of the second focusing unit 4 is finely adjusted, advantageously ensure that the optical path of the second focusing unit 4 at
As the connectivity of the optical path of unit 5, be conducive to obtain accurate image.
In conjunction with shown in Fig. 1-8, the operating process of the liquid crystal display panel conducting particles vision detection system of the utility model is as follows:
Slide unit 12 drives vision-based detection module 2 to be moved at liquid crystal display panel to be detected, and the light source of the second focusing unit 4 emits parallel laser
Beam reaches third spectroscope 411 and generates the reflected beams, generates the reflected beams again at the reflected beams the first spectroscope 6 of arrival and passes through
Microscope 312 and object lens 311 illuminate the detection zone of liquid crystal display panel, and the light area light beam backtracking of liquid crystal display panel detection zone is simultaneously
It is reached at sensitive image sensor 413 by third spectroscope 411, liquid crystal display panel detection is obtained by sensitive image sensor 413
Regional image information, obtains liquid crystal display panel and the distance between object lens 311, microscope 312 and acquisition liquid crystal display panel detection zone are clear
The compensation of clear image is displaced, and is controlled driving mechanism 32 later and is driven the mobile certain uncompensation distance of object lens 311, microscope 312 to obtain
Liquid crystal display panel detection zone clear image is taken, realizes automatic focusing function.Then 5 internal light source emitting parallel light beam of imaging unit arrives
The reflected beams are generated at up to the second spectroscope 7, the reflected beams reach at the first spectroscope 6, the folding generated at the first spectroscope 6
It penetrates collimated light beam and liquid crystal display panel detection zone is illuminated by object lens 311 after auto-focusing and microscope 312, final beam original road is returned
It returns to up to acquisition panel image, the inspection to can be obtained liquid crystal display panel conducting particles after image analysis processing at image camera 532
Survey the testing result as a result, the size of available conducting particles, distribution situation and stitching state.
The foregoing is merely a schemes of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of liquid crystal display panel conducting particles Automatic Visual Inspection device, including Mobile Slide module (1) and it is fixed on the shifting
Vision-based detection module (2) on dynamic slide unit module (1), which is characterized in that the vision-based detection module (2) includes that the first focusing is single
First (3), the second focusing unit (4) and imaging unit (5).
2. Automatic Visual Inspection device according to claim 1, which is characterized in that the optical axis of the imaging unit (5) with
The optical axis of first focusing unit (3) overlaps, the optical path of second focusing unit (4) and the imaging unit (5)
Optical path be connected.
3. Automatic Visual Inspection device according to claim 1 or 2, which is characterized in that the first focusing unit (3) packet
The driving mechanism (32) for including Focusing mechanism (31) and being mutually permanently connected with the Focusing mechanism (31)；
The Focusing mechanism (31) includes object lens (311), the microscope (312) being located at below the object lens (311) and is used for
The microscope mounting base (313) of the microscope (312) is installed；
The driving mechanism (32) includes object lens pinboard (321) and the driving that is fixedly connected with the object lens pinboard (321)
Component (322), the object lens (311) are fixed on the object lens pinboard (321).
4. Automatic Visual Inspection device according to claim 3, which is characterized in that the microscope (312) is dry for differential
Relate to phase contrast microscope.
5. Automatic Visual Inspection device according to claim 1 or 2, which is characterized in that the imaging unit (5) includes mirror
Cylinder (51), the link block (52) that is supported on the lens barrel (51) and it is located at below the lens barrel (51) with the lens barrel (51) even
The image camera (53) connect；
The link block (52) is connected with first focusing unit (3), and the lens barrel (51) includes along the vertical direction successively
The first barrel portion (511), the second barrel portion (512) and the third barrel portion (513) of connection.
6. Automatic Visual Inspection device according to claim 5, which is characterized in that in the horizontal direction, second focusing
Unit (4) is set side by side with first barrel portion (511)；
In first barrel portion (511) be equipped with the first spectroscope (6), the optical path of second focusing unit (4) with it is described
Optical path in first barrel portion (511) is connected.
7. Automatic Visual Inspection device according to claim 6, which is characterized in that second barrel portion (512) or
The second spectroscope (7) are equipped in the third barrel portion (513).
8. Automatic Visual Inspection device according to claim 5, which is characterized in that first barrel portion (511) with
The first fixed connecting plate (8) are equipped between second barrel portion (512), second barrel portion (512) and described the
The second fixed connecting plate (9) are equipped between trinocular tube part (513)；
First fixed connecting plate (8) and second fixed connecting plate (9) are fixedly connected on the Mobile Slide module (1)
On.
9. the Automatic Visual Inspection device according to claim 2 or 6, which is characterized in that the second focusing unit (4) includes swashing
Light Focusing mechanism (41) and the adjustment mechanism (42) being fixedly connected with the laser Focusing mechanism (41)；
The laser Focusing mechanism (41) includes third spectroscope (411), is arranged in third spectroscope (411) reflected light path
On optical filter box (412) and sensitive image sensor (413)；
The adjustment mechanism (42) includes fixed plate (421), the first pinboard (422) being connected on the fixed plate (421)
And it is connected to the second pinboard (423) on first pinboard (422), second pinboard (423) is fixed on institute
It states on Mobile Slide module (1).
10. Automatic Visual Inspection device according to claim 9, which is characterized in that set on first pinboard (422)
There is the first adjusting mounting hole (422a) and second to adjust mounting hole (422b).
11. Automatic Visual Inspection device according to claim 1, which is characterized in that Mobile Slide module (1) packet
It includes:
Sliding rail (11)；
Slide unit (12) is supported on the sliding rail (11), is moved on the sliding rail (11)；
The rib that the slide unit (12) is equipped with mounting plate (121) and is mutually permanently connected with the mounting plate (121)
Plate (122), second focusing unit (4) and the imaging unit (5) are fixed on the mounting plate (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290810.5U CN208596262U (en) | 2018-08-10 | 2018-08-10 | Liquid crystal display panel conducting particles Automatic Visual Inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290810.5U CN208596262U (en) | 2018-08-10 | 2018-08-10 | Liquid crystal display panel conducting particles Automatic Visual Inspection device |
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| Publication Number | Publication Date |
|---|---|
| CN208596262U true CN208596262U (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821290810.5U Active CN208596262U (en) | 2018-08-10 | 2018-08-10 | Liquid crystal display panel conducting particles Automatic Visual Inspection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897153A (en) * | 2018-08-10 | 2018-11-27 | 宁波舜宇仪器有限公司 | Liquid crystal display panel conducting particles Automatic Visual Inspection device |
| CN110031467A (en) * | 2019-05-10 | 2019-07-19 | 厦门柯尔自动化设备有限公司 | Conducting particles detects optics module |
-
2018
- 2018-08-10 CN CN201821290810.5U patent/CN208596262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897153A (en) * | 2018-08-10 | 2018-11-27 | 宁波舜宇仪器有限公司 | Liquid crystal display panel conducting particles Automatic Visual Inspection device |
| CN110031467A (en) * | 2019-05-10 | 2019-07-19 | 厦门柯尔自动化设备有限公司 | Conducting particles detects optics module |
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