CN205785130U - LCD screen rear board dimension automatic detection device - Google Patents
LCD screen rear board dimension automatic detection device Download PDFInfo
- Publication number
- CN205785130U CN205785130U CN201620413203.8U CN201620413203U CN205785130U CN 205785130 U CN205785130 U CN 205785130U CN 201620413203 U CN201620413203 U CN 201620413203U CN 205785130 U CN205785130 U CN 205785130U
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- CN
- China
- Prior art keywords
- light source
- hydraulic cylinder
- storage bin
- rear board
- lcd screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses LCD screen rear board dimension automatic detection device.LCD screen rear board size manual detection efficiency is low, and product quality cannot ensure.This utility model device includes vision measurement system, display screen, endless belt conveyer, dot matrix photographic head, position sensor, limitting casing, station, the first single pole cylinder, PLC panel, the second single pole cylinder, certified products storage bin and defective work storage bin；LCD screen rear board is positioned in the limitting casing on the station that certified products storage bin is corresponding with defective work storage bin, opens endless belt conveyer, allow LCD screen rear board rotate with endless belt conveyer；Automatically detected qualified products and substandard product by vision measurement system, and automatic sorting is in certified products storage bin and defective work storage bin.The size of LCD screen rear board can be detected by this utility model automatically, and automatic sorting goes out qualified products and substandard product, is greatly improved the efficiency of product size detection.
Description
Technical field
This utility model belongs to Automatic Measurement Technique field, is specifically related to a kind of LCD screen rear board
Dimension automatic detection device.
Background technology
Along with the increase of various consumer electronics product demands, industrial scale constantly expands, with
The part to be processed size detection that manual detection is main is the most gradually fallen behind, and replacing is with vision
Automatization's Fast Detection Technique based on identification technology.Manual detection often inefficiency, product
Quality cannot be protected, and Aulomatizeted Detect not only can cost-effective, improve efficiency, and
And the precision of detection is also much higher than manual detection precision.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of LCD screen rear board
Dimension automatic detection device, can automatically detect the size of LCD screen rear board, automatically divide
Sort out qualified products and substandard product, substantially increase the efficiency of product size detection, save
Cost.
This utility model include vision measurement system, display screen, endless belt conveyer, the first light source,
Secondary light source, dot matrix photographic head, the 3rd light source, the 4th light source, position sensor, limitting casing,
Station, the first single pole cylinder, PLC panel, the second single pole cylinder, certified products storage bin and do not conform to
Lattice product storage bin；Described endless belt conveyer is uniformly distributed along the circumference and arranges 6～10 stations；On station
It is fixed with cross chute, cross chute is fixed limitting casing, in limitting casing, place LCD screen
Rear board；Four hydraulic cylinder resettlement grooves, each hydraulic cylinder resettlement groove is offered on described limitting casing
The bottom land end connection corresponding with cross chute；First hydraulic cylinder, the second hydraulic cylinder,
The cylinder body of the 3rd hydraulic cylinder and the 4th hydraulic cylinder all constitutes sliding pair with cross chute；First light source,
Secondary light source, the 3rd light source, the 4th light source and dot matrix photographic head are arranged at above endless belt conveyer,
And it is positioned at the areal extent of same station；First light source, secondary light source, the 3rd light source and
The illumination range of four light sources is more than station area；Position sensor is used for detecting station position, and will
The signal detected passes to vision measurement system；Vision measurement system controls dot matrix camera collection liquid
The image of brilliant screen rear board, by contrasting with required size after image procossing, draws conjunction
The testing result of acceptance or rejection, and testing result is shown on the display screen；Described PLC
Panel is connected with vision measurement system, for control the first single pole cylinder, the second single pole cylinder,
First hydraulic cylinder, the second hydraulic cylinder, the 3rd hydraulic cylinder and the motion of the 4th hydraulic cylinder.First single pole
Cylinder and defective work storage bin be positioned at endless belt conveyer same in the radial direction, and set up separately at ring
The medial and lateral of shape conveyer belt；Second single pole cylinder and certified products storage bin are positioned at endless belt conveyer
Same in the radial direction, and set up the medial and lateral at endless belt conveyer separately.
Described station is long 80～100cm, wide 60～the rectangle of 80cm.
Described vision measurement system includes signal transmitting apparatus and graphics processing unit, dot matrix photographic head
The image gathered is transferred to graphics processing unit by signal transmitting apparatus, and graphics processing unit passes through
Contrast with required size after image procossing, show product size on the display screen.
The beneficial effects of the utility model are:
1. the vision measurement system that this utility model uses, certainty of measurement can reach 0.01mm, and behaviour
Make simple, only detected LCD screen rear board need to be put into the limitting casing on station, by vision
Detecting system detects qualified products and substandard product automatically.
The most traditional manual detection mainly with kind of calliper, have that certainty of measurement is low, time length,
The problems such as efficiency is low.This utility model is compared to traditional manual detection mode reality from metering system
The most automatically measure, substantially increase the detection concordance of data and repeatability, eliminate artificial because of
The element tremendous influence to measurement result, namely improve the accuracy of detection data.
3. from measurement efficiency, realize multistation to measure, be effectively increased detection efficiency, can be preferably
Press close to the modern enterprise measurement requirement to LCD screen rear board size.
4. use the hydraulic stem of hydraulic cylinder that the location of workpiece is defined, and the position of hydraulic cylinder is permissible
Change, it is possible to various sizes of workpiece is detected.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of station in this utility model.
In figure: 1, vision measurement system, 2, display screen, 3, endless belt conveyer, 4, first
Light source, 5, secondary light source, 6, dot matrix photographic head, the 7, the 3rd light source, the 8, the 4th light source, 9,
Position sensor, 10, LCD screen rear board, 11, limitting casing, 12, station, 13, first
Single pole cylinder, 14, PLC panel, the 15, second single pole cylinder, 16, certified products storage bin, 17,
Defective work storage bin, the 18, first hydraulic cylinder, the 19, second hydraulic cylinder, 20, cross chute,
21, the 3rd hydraulic cylinder, the 22, the 4th hydraulic cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
As illustrated in fig. 1 and 2, LCD screen rear board dimension automatic detection device, including vision measurement
System 1, display screen 2, endless belt conveyer the 3, first light source 4, secondary light source 5, dot matrix image
The 6, the 3rd light source 7, the 4th light source 8, position sensor 9, limitting casing 11, station 12,
One single pole cylinder 13, PLC panel the 14, second single pole cylinder 15, certified products storage bin 16 and
Defective work storage bin 17；Endless belt conveyer 3 is uniformly distributed along the circumference and arranges 6 stations 12；Station 12
For long 80cm, the rectangle of wide 60cm；Cross chute 20, cross it is fixed with on station 12
Fix limitting casing 11 on chute 20, in limitting casing 11, place LCD screen rear board 10；Limitting casing
Four hydraulic cylinder resettlement grooves, the bottom land of each hydraulic cylinder resettlement groove and cross chute is offered on 11
One end connection of 20 correspondences；First hydraulic cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder
21 and the 4th the cylinder body of hydraulic cylinder 22 all constitute sliding pair with cross chute 20, can be at cross
Slide in chute 20.First light source 4, secondary light source the 5, the 3rd light source the 7, the 4th light source 8 and
Dot matrix photographic head 6 is arranged at above endless belt conveyer 3, and is positioned at the area of same station 12
In the range of；First light source 4, secondary light source the 5, the 3rd light source 7 and the illumination model of the 4th light source 8
Enclose more than station 12 area；Dot matrix photographic head 6 can regulate according to the distance of camera lens to workpiece 12
Focal length；Position sensor 9 is used for detecting station 12 position, and the signal detected is passed to vision
Measurement system 1, vision measurement system 1 controls dot matrix photographic head 6 and gathers LCD screen rear board 10
Image, by after image procossing and required size contrast, draw acceptance or rejection
Testing result, and testing result is shown on display screen 2；PLC panel 14 is surveyed with vision
Amount system 1 connects, for controlling first single pole cylinder the 13, second single pole cylinder the 15, first hydraulic pressure
Cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder 21 and the motion of the 4th hydraulic cylinder 22.First is single
Bar cylinder 13 and defective work storage bin 17 be positioned at endless belt conveyer 3 same in the radial direction,
And set up separately in the medial and lateral of endless belt conveyer 3；Second single pole cylinder 15 and certified products storage bin 16
Be positioned at endless belt conveyer 3 same in the radial direction, and set up separately at endless belt conveyer 3 inside and outside
Side.
Vision measurement system includes signal transmitting apparatus and graphics processing unit, dot matrix camera collection
Image is transferred to graphics processing unit by signal transmitting apparatus, and graphics processing unit is at image
Contrast with required size after reason, show product size on the display screen.
The work process of this LCD screen rear board dimension automatic detection device is as follows:
1, two workmans lay respectively at certified products storage bin 16 and defective work storage bin 17 correspondence
At station, LCD screen rear board 10 is positioned in the limitting casing 11 on station 12, if liquid crystal
The overall dimensions of screen rear board 10 is consistent with the overall dimensions of limitting casing 11, does not the most start first
Hydraulic cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder 21 and the 4th hydraulic cylinder 22, otherwise start
First hydraulic cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder 21 and the 4th hydraulic cylinder 22, and edge
Cross chute 20 slides first hydraulic cylinder the 18, second hydraulic cylinder 19, the 3rd hydraulic cylinder 21 and
Four hydraulic cylinders 22, make first hydraulic cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder 21 and the 4th
The hydraulic stem of hydraulic cylinder 22 limits LCD screen rear board 10 and moves on limitting casing 11；Open ring
Shape conveyer belt 3, allows station 12 and LCD screen rear board 12 rotate along with endless belt conveyer 3；
2, when position sensor 8 detects station 12, passed by the signal of vision measurement system 1
Defeated device sends instruction to graphics processing unit, and then graphics processing unit controls dot matrix photographic head 6
Gathering image, image contrasts with required size after graphics processing unit processes,
Go out the testing result of acceptance or rejection, and testing result is shown on display screen 2；
3, when detected product is defective work, vision measurement system 1 is according to endless belt conveyer
The moment of speed of service calculating detected product arrival defective work storage bin 17 position of 3, and
This moment sends signal to PLC panel 14, by PLC panel 14 by signal transmitting apparatus
Control first hydraulic cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder 21 and the 4th hydraulic cylinder 22
Hydraulic stem is regained, and the hydraulic stem controlling the first single pole cylinder 13 stretches out and substandard product is shifted onto not
In qualified products storage bin 17.If detected product size qualification, vision measurement system 1 basis
The speed of service of endless belt conveyer 3 calculates detected product and arrives the moment of certified products storage bin 16,
And send signal to PLC panel 14, by PLC panel in this moment by signal transmitting apparatus
14 control the first hydraulic cylinder the 18, second hydraulic cylinder the 19, the 3rd hydraulic cylinder 21 and the 4th hydraulic cylinder 22
Hydraulic stem regain, and the hydraulic stem controlling the second single pole cylinder 15 stretch out qualified products shift onto close
In lattice product storage bin 16.
This utility model uses vision measurement system, and detection, automatic sorting product, decrease people automatically
Work operates, and improves detection efficiency, it is possible to automatically classify certified products and defective work, detection essence
Degree height, will not produce and obscure, have preferable market prospect.
Above set of system provided by the utility model is described in detail, for this area
Those skilled in the art, according to design of the present utility model, in detailed description of the invention and range of application
On all will change.In sum, this specification content should not be construed as this cover system
Limit, all relate to any change that thought made all in this utility model patent according to this utility model
Within protection domain.
Claims (3)
1. LCD screen rear board dimension automatic detection device, including vision measurement system, display screen, ring
Shape conveyer belt, the first light source, secondary light source, dot matrix photographic head, the 3rd light source, the 4th light source, position sensing
Device, limitting casing, station, the first single pole cylinder, PLC panel, the second single pole cylinder, certified products storage bin
With defective work storage bin, it is characterised in that: described endless belt conveyer is uniformly distributed along the circumference and arranges 6～10 works
Position；It is fixed with cross chute on station, cross chute is fixed limitting casing, in limitting casing, place liquid crystal display screen
Panel behind the scenes；Four hydraulic cylinder resettlement grooves, the bottom land of each hydraulic cylinder resettlement groove is offered on described limitting casing
An end connection corresponding with cross chute；First hydraulic cylinder, the second hydraulic cylinder, the 3rd hydraulic cylinder and
The cylinder body of four hydraulic cylinders all constitutes sliding pair with cross chute；First light source, secondary light source, the 3rd light source,
4th light source and dot matrix photographic head are arranged at above endless belt conveyer, and are positioned at the areal extent of same station
In；The illumination range of the first light source, secondary light source, the 3rd light source and the 4th light source is more than station area；Position
Put sensor for detecting station position, and the signal detected is passed to vision measurement system；Vision measurement system
System controls the image of dot matrix camera collection LCD screen rear board, will enter with required size after image procossing
Row contrast, draws the testing result of acceptance or rejection, and testing result is shown on the display screen；Described
PLC panel be connected with vision measurement system, for control the first single pole cylinder, the second single pole cylinder, the
One hydraulic cylinder, the second hydraulic cylinder, the 3rd hydraulic cylinder and the motion of the 4th hydraulic cylinder；First single pole cylinder and not conforming to
Lattice product storage bin be positioned at endless belt conveyer same in the radial direction, and set up the medial and lateral at endless belt conveyer separately；
Second single pole cylinder and certified products storage bin be positioned at endless belt conveyer same in the radial direction, and set up separately in annular
The medial and lateral of conveyer belt.
LCD screen rear board dimension automatic detection device the most according to claim 1, it is characterised in that:
Described station is long 80～100cm, wide 60～the rectangle of 80cm.
LCD screen rear board dimension automatic detection device the most according to claim 1, it is characterised in that:
Described vision measurement system includes signal transmitting apparatus and graphics processing unit, the image of dot matrix camera collection
Being transferred to graphics processing unit by signal transmitting apparatus, graphics processing unit is after image procossing and required
Size contrast, show product size on the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413203.8U CN205785130U (en) | 2016-05-09 | 2016-05-09 | LCD screen rear board dimension automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413203.8U CN205785130U (en) | 2016-05-09 | 2016-05-09 | LCD screen rear board dimension automatic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205785130U true CN205785130U (en) | 2016-12-07 |
Family
ID=57412787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620413203.8U Expired - Fee Related CN205785130U (en) | 2016-05-09 | 2016-05-09 | LCD screen rear board dimension automatic detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205785130U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783813A (en) * | 2016-05-09 | 2016-07-20 | 杭州电子科技大学 | Device and method for automatically detecting size of rear panel of liquid crystal screen |
| CN106707574A (en) * | 2017-03-10 | 2017-05-24 | 苏州凌云视界智能设备有限责任公司 | Liquid crystal screen post-working-procedure circular detection system |
| CN109387961A (en) * | 2018-11-07 | 2019-02-26 | 惠科股份有限公司 | A kind of detection method and detection device of display panel |
| CN110153031A (en) * | 2018-04-16 | 2019-08-23 | 天圣环保科技股份有限公司 | A kind of intelligence garbage sorting equipment |
-
2016
- 2016-05-09 CN CN201620413203.8U patent/CN205785130U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783813A (en) * | 2016-05-09 | 2016-07-20 | 杭州电子科技大学 | Device and method for automatically detecting size of rear panel of liquid crystal screen |
| CN106707574A (en) * | 2017-03-10 | 2017-05-24 | 苏州凌云视界智能设备有限责任公司 | Liquid crystal screen post-working-procedure circular detection system |
| CN106707574B (en) * | 2017-03-10 | 2024-03-19 | 苏州凌云视界智能设备有限责任公司 | Liquid crystal display post-process circulation detection system |
| CN110153031A (en) * | 2018-04-16 | 2019-08-23 | 天圣环保科技股份有限公司 | A kind of intelligence garbage sorting equipment |
| CN109387961A (en) * | 2018-11-07 | 2019-02-26 | 惠科股份有限公司 | A kind of detection method and detection device of display panel |
| WO2020093470A1 (en) * | 2018-11-07 | 2020-05-14 | 惠科股份有限公司 | Detection method and detection equipment for display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180509 |