CN206854141U - A kind of screen defect full-automatic vision detecting system - Google Patents
A kind of screen defect full-automatic vision detecting system Download PDFInfo
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- CN206854141U CN206854141U CN201720214655.8U CN201720214655U CN206854141U CN 206854141 U CN206854141 U CN 206854141U CN 201720214655 U CN201720214655 U CN 201720214655U CN 206854141 U CN206854141 U CN 206854141U
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Abstract
It the utility model is related to a kind of screen defect full-automatic vision detecting system, the system includes controller and the automatic charging unit, automatic detection unit and the blanking unit of classifying automatically that are attached thereto respectively, and described automatic charging unit, automatic detection unit and automatic classification blanking unit are arranged in order to form automatic production line；Screen to be detected is transported to automatic detection unit by described automatic charging unit, automatic detection unit carries out defect automatic detection and determines that screen belongs to non-defective unit or defective products, and automatic blanking unit of classifying obtains from automatic detection unit to be detected the screen finished and carry out classification output according to testing result.Compared with prior art, the utility model automaticity is high, and whole detection process is simple to operate, reduces labor strength, saves human capital, improves production efficiency.
Description
Technical field
A kind of screen defect detecting system is the utility model is related to, is examined more particularly, to a kind of screen defect full-automatic vision
Examining system.
Background technology
With the fast development of scientific and technological level, liquid crystal display electronic product especially smart mobile phone is in the daily of people
Turn into indispensable important component in life.Higher requirement is there has also been for the quality of screen.And in liquid crystal display, hand
Machine is touched in the production processes of thin plate electronic product such as panel glass, due to objective factors such as production technology etc., can not be kept away completely
Exempt from the defects of various (such as screen scuffing, glass screen stain, glass screen size be not inconsistent, chipping, sawtooth, unfilled corner etc.)
Produce.The outward appearance for carrying out screen is thus needed to detect before each operation.
The open defect detection of traditional liquid crystal display, mobile phone glass class product is mainly entered by special light sources or projecting apparatus
Capable hand inspection, because the influence factor of artificial detection is more, the accuracy and standard uniformity that not only detect can not ensure,
Also the needs that modern enterprise batch quickly produces can not be met.
The screen that existing automatic detection device can only be directed to some kind size is detected, and can only typically be detected big
The defects of defect class, and the actual size of defect can not be measured, it is impossible to examination criteria is set for needs of production, automatically
Change degree is not high.As patent (publication number CN205643188U, publication number CN205301189U) does not have automatic loading and unloading mechanism,
It is inefficient.It is badly in need of a kind of efficient, accurate, reliable detecting system at present to substitute artificial detection.
Utility model content
The purpose of this utility model is exactly to provide a kind of screen defect the defects of overcoming above-mentioned prior art to exist
Full-automatic vision detecting system.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of screen defect full-automatic vision detecting system, the system include controller and are attached thereto respectively automatic
Feeding unit material, automatic detection unit and blanking unit of classifying automatically, described automatic charging unit, automatic detection unit and automatic
Classification blanking unit is arranged in order to form automatic production line.
Y-direction loaded pallets feed mechanism that described automatic charging unit includes being connected with described controller respectively, the
One X is to tray conveying mechanism, the first pallet fixed mechanism, Y-direction empty pallet cutting agency and feeding manipulator, by automatic charging list
The direction that member, automatic detection unit and automatic classification blanking unit are arranged in order is defined as Y-direction, is hung down on horizontal plane with Y-direction
Straight direction is defined as X-direction, is Z-direction, described Y-direction loaded pallets feed mechanism and Y-direction perpendicular to the direction of horizontal plane
Empty pallet cutting agency is set up in parallel along Y-direction and moves setting along Y-direction, and the first described X is to tray conveying mechanism across Y
To loaded pallets feed mechanism and Y-direction empty pallet cutting agency, the first described pallet fixed mechanism is arranged on the first X to pallet
On transport mechanism, under the original state that works, the first pallet fixed mechanism is located above Y-direction loaded pallets feed mechanism, described
Feeding manipulator be arranged on the first X to above tray conveying mechanism.
Described automatic detection unit includes screen front testing agency, the tipper being connected respectively with described controller
Structure, screen transport mechanism and screen reverse side testing agency, described screen front testing agency and screen reverse side testing agency are in
Diagonally opposed distribution, described switching mechanism are arranged on screen front testing agency end, and described screen transport mechanism is set
Between switching mechanism and screen reverse side testing agency, screen transport mechanism end alignment screen reverse side testing agency front end.
Described screen front testing agency is identical with screen reverse side testing agency structure, including annotating display pallet, Y
To transmission module, detection camera, lighting source and camera support, described detection camera is arranged at the top of camera support, described
Lighting source be arranged on detection camera immediately below and be fixed on camera support, described Y to transmission module be horizontally installed on
Below lighting source, described screen transmission pallet is arranged on Y-direction transmission module, described Y-direction transmission module, detection camera
Described controller is all connected with lighting source.
The screen upset suction pawl and U that described switching mechanism includes be connected with described controller respectively to servomotor,
Described U inhales pawl to servomotor connection screen upset.
The screen conveyance that described screen transport mechanism includes being connected with described controller respectively inhales pawl and X to transmission mould
Group, described X are set in X direction to transmission module, and the conveyance of described screen inhales pawl and is arranged on X to the transmission close tipper of module
Structure one end.
Described automatic classification blanking unit include be connected respectively with described controller Y-direction empty pallet feed mechanism,
2nd X to tray conveying mechanism, the second pallet fixed mechanism, non-defective unit pallet cutting agency, defective products pallet cutting agency and under
Expect manipulator, described Y-direction empty pallet feed mechanism, non-defective unit pallet cutting agency and defective products pallet cutting agency are along Y-direction
Be set up in parallel, described Y-direction empty pallet feed mechanism be arranged on non-defective unit pallet cutting agency and defective products pallet cutting agency it
Between, described Y-direction empty pallet feed mechanism, non-defective unit pallet cutting agency and defective products pallet cutting agency are moved along Y-direction and set
Put, the 2nd described X is across Y-direction empty pallet feed mechanism, non-defective unit pallet cutting agency and defective products to tray conveying mechanism
Above pallet cutting agency, the second described pallet fixed mechanism is arranged on the 2nd X to transporting in tray conveying mechanism and in X direction
Dynamic to set, described blanking mechanical hand is arranged on the 2nd X to top in the middle part of tray conveying mechanism and blanking mechanical hand is in the second support
Above disk fixed mechanism, the described Y-direction empty pallet feed mechanism direction of motion and non-defective unit pallet cutting agency and defective products pallet
The cutting agency direction of motion is opposite.
Described Y-direction loaded pallets feed mechanism, Y-direction empty pallet cutting agency, Y-direction empty pallet feed mechanism, non-defective unit support
Disk cutting agency is identical with defective products pallet cutting agency structure, including support, Y-direction conveyance cylinder, Z-direction lift servo mould
Group and Z-direction lifting are cupped one hand in the other before the chest, and described Y-direction conveyance cylinder is horizontally set on support, and pallet is arranged on Y-direction conveyance cylinder, institute
The Z-direction lift servo module stated is vertically set on support one end, and the lifting of described Z-direction is cupped one hand in the other before the chest to be fixed parallel to Y-direction conveyance cylinder
On Z-direction lift servo module, described Y-direction conveyance cylinder and Z-direction lift servo module are all connected with described controller.
First X includes X to tray conveying mechanism and the 2nd X to tray conveying mechanism to servomotor, timing belt and two
The line slideway that root be arranged in parallel in X direction, the first described pallet fixed mechanism or the second pallet fixed mechanism respectively across
On two line slideways, described X connects timing belt, described synchronous band connection the first pallet fixed mechanism to servomotor
Or the second pallet fixed mechanism, described X are all connected with described controller to servomotor and timing belt.
The first described pallet fixed mechanism and the second pallet fixed mechanism include travelling carriage and gripper cylinder, described
Travelling carriage be slidably arranged in the first X to tray conveying mechanism or the 2nd X to tray conveying mechanism on, described gripper cylinder is set
Multiple and be evenly distributed on travelling carriage both sides, during fixed tray, gripper cylinder moves and withstands pallet both sides side wall, described folder
Hold the described controller of cylinder connection.
Compared with prior art, the utility model has the following advantages that：
(1) the utility model setting automatic charging unit realizes the automatic charging of screen to be detected, and automatic detection unit is entered
Row defect automatic detection, classification blanking unit exports non-defective unit and defective products classification according to testing result automatically after detection,
Classification and production information statistics are integrated automatically for whole process set automatic charging, the non-defective unit of rear end and defective products, whole inspection
It is simple to survey process operation, reduces labor strength, saves human capital, improves production efficiency；
(2) the utility model automatic charging unit is set up in parallel Y-direction loaded pallets feed mechanism and Y-direction empty pallet blanking machine
Structure, and the circulation transfer of pallet is realized by the first X to tray conveying mechanism and the first pallet fixed mechanism, it is compact-sized, and
Circular flow can be realized, realizes full-automatic producing line, improves operating efficiency；
(3) the utility model automatic detection unit sets switching mechanism, is continuously finished the detection of screen positive and negative two sides, enters one
Step improves operating efficiency；
(4) the utility model screen front testing agency and screen reverse side testing agency set detection camera and illumination light
Source, simultaneously shooting image is moved below lighting source by screen, so as to realize vision-based detection, multinomial defect can be carried out simultaneously
Detection, including chipping, unfilled corner, cut, sawtooth etc., while the actual size of defect can be measured, convenient setting, accuracy of detection
It is high；
(5) the utility model blanking unit of classifying automatically sets Y-direction empty pallet feed mechanism side by side, non-defective unit pallet blanking
Mechanism and defective products pallet cutting agency, realize the automatic charging of empty pallet, and non-defective unit and defective products are automatically drained out, structure
Stablize it is compact, it is convenient to carry out.
Brief description of the drawings
Fig. 1 is the front view of the utility model screen defect full-automatic vision detecting system；
Fig. 2 is the dimensional structure diagram of the utility model automatic charging unit；
Fig. 3 is the dimensional structure diagram of the utility model Y-direction loaded pallets feed mechanism；
Fig. 4 is the X of the utility model the first to tray conveying mechanism and the dimensional structure diagram of the first pallet fixed mechanism；
Fig. 5 is the dimensional structure diagram of the utility model automatic detection unit；
Fig. 6 is that the utility model is classified the dimensional structure diagram of blanking unit automatically；
Fig. 7 is the dimensional structure diagram of the utility model Y-direction return of empty pallets feed mechanism；
Fig. 8 is the 2nd X to tray conveying mechanism and the dimensional structure diagram of the second pallet fixed mechanism.
In figure, 1 is Y-direction loaded pallets feed mechanism, 2 be the first X to tray conveying mechanism, 3 be Y-direction empty pallet blanking machine
Structure, 4 be feeding manipulator, and 5 be that the first Y-direction transports cylinder, and 6 be the first Z-direction lift servo module, and 7 be the first Z-direction lifting fork
Hand, 8 be loaded pallets, 9 be the first X to servomotor, 10 be the first timing belt, and 11 be first straight line guide rail, 12,13,14,
15th, 16,17,18 and 19 be the first gripper cylinder, and 20 be the first annotating display pallet, and 21 be that the first Y-direction is driven module, and 22 be the
One detects camera, and 23 be the first lighting source, and 24 be first camera support, and 25 be that pawl is inhaled in screen upset, and 26 be U electric to servo
Machine, 27 be that pawl is inhaled in screen conveyance, and 28 be X to transmission module, and 29 be the second annotating display pallet, and 30 be the 2nd Y to being driven mould
Group, 31 be the second detection camera, and 32 be the second lighting source, and 33 be second camera support, and 34 be Y-direction empty pallet feed mechanism,
35 be the 2nd X to tray conveying mechanism, 36 be non-defective unit pallet cutting agency, and 37 be defective products pallet cutting agency, and 38 be blanking
Manipulator, 39 be that the second Y-direction transports cylinder, and 40 be the second Z-direction lift servo module, and 41 be that the lifting of the second Z-direction is cupped one hand in the other before the chest, and 42 be sky
Pallet, 43 be the 2nd X to servomotor, 44 be the second timing belt, and 45 be second straight line guide rail, and 46,47,48,49,50 and 51 are
Second gripper cylinder.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 1, a kind of screen defect full-automatic vision detecting system, the system includes controller and difference therewith
Automatic charging unit, automatic detection unit and the blanking unit of classifying automatically of connection, automatic charging unit, automatic detection unit and
Automatic classification blanking unit is arranged in order to form automatic production line；Screen to be detected is transported to automatic inspection by automatic charging unit
Unit is surveyed, automatic detection unit carries out defect automatic detection and determines that screen belongs to non-defective unit or defective products, blanking unit of classifying automatically
Obtained from automatic detection unit and detect the screen finished and classification output is carried out according to testing result.
As shown in Fig. 2 automatic charging unit includes the Y-direction loaded pallets feed mechanism 1, first being connected respectively with controller
X is to tray conveying mechanism 2, the first pallet fixed mechanism, Y-direction empty pallet cutting agency 3 and feeding manipulator 4, by automatic charging
The direction that unit, automatic detection unit and automatic classification blanking unit are arranged in order is defined as Y-direction, on horizontal plane with Y-direction
Vertical direction is defined as X-direction, is Z directions perpendicular to the direction of horizontal plane, and Y-direction loaded pallets feed mechanism 1 and Y-direction are empty
Pallet cutting agency 3 is set up in parallel along Y-direction and moves setting along Y-direction, and the first X expires to tray conveying mechanism 2 across Y-direction
Carry pallet feed mechanism 1 and Y-direction empty pallet cutting agency 3, the first pallet fixed mechanism are arranged on the first X to tray conveying mechanism
On 2, under the original state that works, the first pallet fixed mechanism is located at the top of Y-direction loaded pallets feed mechanism 1, feeding manipulator 4
The first X is arranged on to the top of tray conveying mechanism 2；Y-direction loaded pallets feed mechanism 1 drives the pallet for filling screen to be detected
Moved and by tray conveying to the first pallet fixed mechanism to close to automatic detection unit direction, feeding manipulator 4 is from pallet
Screen to be detected is drawn to automatic detection unit, after screen to be detected in sucker has all been drawn, the first X removes to pallet
Mechanism 2 is sent to drive the first pallet fixed mechanism to move to Y in X direction to the top of empty pallet cutting agency 3, Y-direction empty pallet blanking
Mechanism 3 exports empty pallet 42.
As shown in figure 3, Y-direction loaded pallets feed mechanism 1 includes first support, the first Y-direction conveyance cylinder 5, the first Z-direction liter
Drop servo module 6 and the lifting of the first Z-direction cup one hand in the other before the chest 7, and the first Y-direction conveyance cylinder 5 is horizontally set in first support, loaded pallets 8
It is arranged on Y-direction conveyance cylinder, the first Z-direction lift servo module 6 is vertically set on first support one end, the first Z-direction lifting fork
Hand 7 is fixed on the first Z-direction lift servo module 6 parallel to the first Y-direction conveyance cylinder 5, the first Y-direction conveyance cylinder 5 and the first Z
Controller is all connected with to lift servo module 6.Y-direction empty pallet cutting agency 3 is identical with Y-direction loaded pallets 1 structure of feed mechanism,
Simply on the contrary, one of them is moved along Y positive directions, another is moved its direction of motion along Y-direction along Y negative directions.
As shown in figure 4, the first X includes the first X to servomotor 9, the first timing belt 10 and two to tray conveying mechanism 2
The first straight line guide rail 11 be arrangeding in parallel in X direction, the first pallet fixed mechanism across on two line slideways, the first X to
Servomotor 9 connects the first timing belt 10, and the first timing belt 10 connects the first pallet fixed mechanism, and the first X is to the He of servomotor 9
First timing belt 10 is all connected with controller.First pallet fixed mechanism includes travelling carriage and the first gripper cylinder, the first clamping gas
Cylinder figure includes 12,13,14,15,16,17,18 and 19, and travelling carriage is slidably arranged in the first X in tray conveying mechanism 2, and
One gripper cylinder sets multiple and is evenly distributed on travelling carriage both sides, and during fixed tray, the first gripper cylinder moves and withstands support
Disk both sides side wall, the first gripper cylinder connection controller.
As shown in figure 5, automatic detection unit includes screen front testing agency, the tipper being connected respectively with controller
Structure, screen transport mechanism and screen reverse side testing agency, screen front testing agency and screen reverse side testing agency are in diagonal side
To distribution, switching mechanism is arranged on screen front testing agency end, and screen transport mechanism is arranged on switching mechanism and screen is anti-
Between the testing agency of face, screen transport mechanism end alignment screen reverse side testing agency front end.
Screen front testing agency is identical with screen reverse side testing agency structure, is driven including annotating display pallet, Y-direction
Module, detection camera, lighting source and camera support, detection camera are arranged at the top of camera support, and lighting source is arranged on inspection
Survey immediately below camera and be fixed on camera support, Y-direction transmission module is horizontally installed on below lighting source, screen transmission pallet
It is arranged on Y-direction transmission module, Y-direction transmission module, detection camera and lighting source are all connected with controller.Specifically, screen is being just
Face testing agency includes the first annotating display pallet 20, the first Y-direction transmission module 21, first detects camera 22, the first illumination light
Source 23 and first camera support 24, screen reverse side testing agency include the second annotating display pallet 29, the second Y-direction transmission module
30th, the second detection camera 31, the second lighting source 32 and second camera support 33, its connected mode is consistent, as described above.Turn over
The screen upset that rotation mechanism includes being connected with controller respectively inhales pawl 25 and U to servomotor 26, and U connects to servomotor 26 to be shielded
Pawl 25 is inhaled in curtain upset；Screen upset inhales pawl 25 and draws the screen for being delivered to positive testing agency end, and U drives to servomotor 26
Screen upset inhales 180 ° of the upset of pawl 25 and realizes that screen is overturn.Screen transport mechanism includes the screen conveyance being connected respectively with controller
Inhale pawl 27 and X to set in X direction to transmission module 28 to transmission module 28, X, screen conveyance inhales pawl 27 and is arranged on X to transmission mould
Group 28 is close to switching mechanism one end.
As shown in fig. 6, classification blanking unit includes the feed mechanism of Y-direction empty pallet 42 being connected respectively with controller automatically
34th, the 2nd X is to tray conveying mechanism 35, the second pallet fixed mechanism, non-defective unit pallet cutting agency 36, defective products pallet blanking machine
Structure 37 and blanking mechanical hand 38, the feed mechanism 34 of Y-direction empty pallet 42, non-defective unit pallet cutting agency 36 and defective products pallet blanking machine
Structure 37 is set up in parallel along Y-direction, and the feed mechanism 34 of Y-direction empty pallet 42 is arranged on non-defective unit pallet cutting agency 36 and defective products pallet
Between cutting agency 37, the feed mechanism 34 of Y-direction empty pallet 42, non-defective unit pallet cutting agency 36 and defective products pallet cutting agency
37 move setting along Y-direction, and the 2nd X is across under the feed mechanism 34 of Y-direction empty pallet 42, non-defective unit pallet to tray conveying mechanism 35
Expect mechanism 36 and the top of defective products pallet cutting agency 37, the second pallet fixed mechanism is arranged on the 2nd X to tray conveying mechanism
On 35 and motion setting in X direction, blanking mechanical hand 38 are arranged on the 2nd X to the middle part of tray conveying mechanism 35 top and blanking
Manipulator 38 is above the second pallet fixed mechanism, the direction of motion of 42 feed mechanism of Y-direction empty pallet 34 and non-defective unit pallet blanking machine
Structure 36 is opposite with defective products pallet 37 directions of motion of cutting agency；Initial position, the second pallet fixed mechanism are located at Y-direction empty pallet
Immediately below the end of 42 feed mechanism 34, the feed mechanism 34 of Y-direction empty pallet 42 drives empty pallet 42 to move to the second pallet and fixes machine
Below structure, the second pallet fixed mechanism fixes empty pallet 42, and the 2nd X drives the second pallet fixed mechanism to tray conveying mechanism 35
Move, pallet is transported on non-defective unit pallet cutting agency 36 or defective products pallet cutting agency 37, blanking mechanical hand in X direction
38, which draw the screen detected according to automatic detection unit testing result, is placed on non-defective unit pallet cutting agency 36 or bad
In pallet in product pallet cutting agency 37, the pallet in non-defective unit pallet cutting agency 36 or defective products pallet cutting agency 37 is treated
In fill screen after, pallet cutting agency or defective products pallet cutting agency 37 move along Y-direction and discharge pallet.
As shown in fig. 7, Y-direction return of empty pallets feed mechanism includes second support, the second Y-direction conveyance cylinder 39, the second Z-direction liter
Drop servo module 40 and the lifting of the second Z-direction cup one hand in the other before the chest 41, and the second Y-direction conveyance cylinder 39 is horizontally disposed on the secondary support bracket, empty pallet
42 are arranged on Y-direction conveyance cylinder, and the second Z-direction lift servo module 40 is vertically set on second support one end, the second Z-direction liter
Drop cup one hand in the other before the chest 41 parallel to the second Y-direction conveyance cylinder 39 be fixed on the second Z-direction lift servo module 40, the second Y-direction conveyance cylinder
39 and second Z-direction lift servo module 40 be all connected with controller.Non-defective unit pallet cutting agency 36 and defective products pallet cutting agency
37 is identical with Y-direction return of empty pallets feed mechanism structure, simply Y-direction return of empty pallets feed mechanism and non-defective unit pallet cutting agency 36 with
And the direction of motion of defective products pallet cutting agency 37 is different.
As shown in figure 8, the 2nd X includes the 2nd X to servomotor 43, the second timing belt 44 and two to tray conveying mechanism 35
The second straight line guide rail 45 that root be arranged in parallel in X direction, the second pallet fixed mechanism is across on two line slideways, the 2nd X
The second timing belt 44 is connected to servomotor 43, the second timing belt 44 connects the second pallet fixed mechanism, and the 2nd X is to servomotor
43 and second timing belt 44 be all connected with controller.Second pallet fixed mechanism includes travelling carriage and the second gripper cylinder, the second folder
Holding cylinder includes 46,47,48,49,50 and 51, and travelling carriage is slidably arranged in the 2nd X in tray conveying mechanism 35, the second folder
Hold cylinder to set multiple and be evenly distributed on travelling carriage both sides, during fixed tray, the second gripper cylinder moves and withstands pallet two
Side side wall, the second gripper cylinder connection controller.
Controller includes industrial computer and programmable logic controller (PLC).Industrial computer is used for the digitized map collected to camera module
As being handled, various detection parameters can be set for different batches or kind, according to the operation knot of visual detection algorithm respectively
Fruit, differentiate whether part to be measured is non-defective unit；Can real-time display defect image, record defective locations (x, y coordinate), and can be lacked
Statistics (defective products type, quantity and qualification rate etc.) and report printing are fallen into, there is SPC function of statistic analysis.In summary, originally
The vision detection system and visible detection method of utility model can realize the automatic loading/unloading of part to be measured, and can quickly carry out each
The positive and negative detection of type part to be measured, and categorical filtering can be carried out according to set Parameters on Defect, total system is stable, essence
Accurate, efficient, repeatability height, equipment operation is convenient, easy to maintain.
Operation principle of the present utility model is：The loaded pallets 8 for occupying screen are placed on Y-direction loaded pallets feed mechanism 1,
The Z-direction lift servo module 6 of cylinder 5 and first is transported through the first Y-direction, pallet rises to operating position, and the first X is to tray conveying machine
First gripper cylinder of structure 2, figure include 12,13,14,15,16,17,18 and 19, and loaded pallets 8 are fixed.Feeder
Tool hand 4 draws screen one by one from loaded pallets 8, is put into the first annotating display pallet of test section.Screen in loaded pallets 8
After having captured, the first X drives the first timing belt 10 to act to servomotor 9, will be fully loaded with from the first X to tray conveying mechanism 2
Pallet 8 is transported to Y-direction empty pallet cutting agency 3, discharges empty pallet 42 by Y-direction empty pallet cutting agency 3, so circulates past
It is multiple.As shown in figure 5, the screen drawn by feeding manipulator 4 is put into the first annotating display pallet 20, screen front is from original position
At the uniform velocity by the first lighting source 23, screen front detection end position is reached, screen to be measured is gathered by the first detection camera 22
Positive homogeneous image, and obtain the information such as image length and width.According to the operation result of detection algorithm, the defects of recording workpiece front
Species, size and location.Subsequently into screen back side testing process.U will drive screen upset to inhale pawl 25 to servomotor 26 to be shielded
Curtain is drawn, and after 180 ° of upset, X transports the back side inhaled pawl 27 and draw screen to module driving screen, is placed into the second annotating display
Above pallet 29, the screen back side, at the uniform velocity by the second lighting source 32, reaches screen back side detection end position from original position,
The homogeneous image at the screen back side to be measured is gathered by the second detection camera 31.According to the operation result of detection algorithm, record workpiece is just
The defects of face species, size and location.The defects of being detected according to positive and negative detection algorithm, blanking device send part to be measured respectively
Toward non-defective unit area and defective products area.As shown in Fig. 6,7,8, empty pallet 42 is placed on the feed mechanism 34 of Y-direction empty pallet 42, through
Two Y-directions transport the Z-direction lift servo module 40 of cylinder 39 and second, and empty pallet 42 rises to operating position, by the second gripper cylinder
To clamp, the second gripper cylinder includes 46,47,48,49,50 and 51, and the 2nd X drives the second timing belt 44 to servomotor 43, the
Empty pallet 42 is transported to non-defective unit pallet cutting agency 36 or defective products pallet blanking machine by two X respectively to tray conveying mechanism 35
Structure 37.Blanking mechanical hand 38 draws screen above the second annotating display pallet 29, is placed on screen according to testing result good
In pallet in product pallet cutting agency 36 or defective products pallet cutting agency 37.After pallet occupies screen, by non-defective unit pallet
Cutting agency 36 or defective products pallet cutting agency 37 are discharged.The image that camera collects is handled, specific steps are such as
Under：By Threshold segmentation, parts of images to be measured is extracted.Figure after segmentation is figure.It is preliminary according to the graphics area that segmentation obtains
Judge whether the image of acquisition is correct, mistake ejection alert message, correctly then carry out in next step.To the parts of images to be measured of extraction
Expanded, erosion operation, fill and lead up image inner aperture, filter noise jamming.Extract the external periphery outline of testing image.It will treat
Survey parts of images and be converted to convex polygon.Calculate the difference of the convex polygon and parts of images to be measured.Corrosion fortune is carried out to difference
Calculate, remove small noise section.Connectedness is calculated, different zones are divided into according to connectivity.The area per part is calculated, according to pre-
If threshold decision whether there is defect.If defective, defective products is labeled as, and the actual length and width of defect are indicated in fault location,
Record defective locations and species.If zero defect, it is labeled as non-defective unit.After overview image detection is completed, to ensure the standard of detection
True property, emphasis detection need to be carried out to the multiple part of defect (the four edges line of part to be measured and four turnings).Said by taking the lower left corner as an example
Bright detecting step.First according to the length and width of figure to be measured, the lower left corner region for treating sequencing image is chosen, calculates the face in the region
Product, length and width etc.；Then inscribed circle calculating is carried out to the testing image in the lower left corner, obtains inradius；According to actual product need
Ask, choose area and radius threshold, judge that there is zero defect in the lower left corner.Similarly, remaining focus detection area domain of workpiece is handled, is judged
There is zero defect.
Claims (7)
1. a kind of screen defect full-automatic vision detecting system, it is characterised in that the system includes controller and difference therewith
Automatic charging unit, automatic detection unit and the blanking unit of classifying automatically of connection, described automatic charging unit, automatic detection
Unit and automatic classification blanking unit are arranged in order to form automatic production line；
Described automatic charging unit include be connected respectively with described controller Y-direction loaded pallets feed mechanism (1), first
X, will be certainly to tray conveying mechanism (2), the first pallet fixed mechanism, Y-direction empty pallet cutting agency (3) and feeding manipulator (4)
The direction that dynamic feeding unit material, automatic detection unit and automatic classification blanking unit are arranged in order is defined as Y-direction, on horizontal plane with
The vertical direction of Y-direction is defined as X-direction, is Z-direction perpendicular to the direction of horizontal plane, described Y-direction loaded pallets feeder
Structure (1) and Y-direction empty pallet cutting agency (3) are set up in parallel along Y-direction and move setting along Y-direction, and the first described X is to pallet
Transport mechanism (2) is consolidated across Y-direction loaded pallets feed mechanism (1) and Y-direction empty pallet cutting agency (3), the first described pallet
Determine mechanism and be arranged on the first X in tray conveying mechanism (2), under the original state that works, the first pallet fixed mechanism is located at Y-direction
Above loaded pallets feed mechanism (1), described feeding manipulator (4) is arranged on the first X to tray conveying mechanism (2) top；
Described automatic detection unit include be connected respectively with described controller screen front testing agency, switching mechanism,
Screen transport mechanism and screen reverse side testing agency, described screen front testing agency and screen reverse side testing agency are in diagonal
Directional spreding, described switching mechanism are arranged on screen front testing agency end, and described screen transport mechanism, which is arranged on, to be turned over
Between rotation mechanism and screen reverse side testing agency, screen transport mechanism end alignment screen reverse side testing agency front end；
Described automatic classification blanking unit include be connected respectively with described controller Y-direction empty pallet feed mechanism (34),
2nd X is to tray conveying mechanism (35), the second pallet fixed mechanism, non-defective unit pallet cutting agency (36), defective products pallet blanking
Mechanism (37) and blanking mechanical hand (38), described Y-direction empty pallet feed mechanism (34), non-defective unit pallet cutting agency (36) and not
Non-defective unit pallet cutting agency (37) is set up in parallel along Y-direction, and described Y-direction empty pallet feed mechanism (34) is arranged on non-defective unit pallet
Between cutting agency (36) and defective products pallet cutting agency (37), described Y-direction empty pallet feed mechanism (34), non-defective unit pallet
Cutting agency (36) and defective products pallet cutting agency (37) move setting along Y-direction, and the 2nd described X is to tray conveying mechanism
(35) Y-direction empty pallet feed mechanism (34), non-defective unit pallet cutting agency (36) and defective products pallet cutting agency (37) are across
Top, the second described pallet fixed mechanism are arranged on the 2nd X and set in tray conveying mechanism (35) and in X direction motion,
Described blanking mechanical hand (38) is arranged on the 2nd X to top in the middle part of tray conveying mechanism (35) and blanking mechanical hand (38) the
Above two pallet fixed mechanisms, described Y-direction empty pallet feed mechanism (34) direction of motion and non-defective unit pallet cutting agency (36)
It is opposite with defective products pallet cutting agency (37) direction of motion.
A kind of 2. screen defect full-automatic vision detecting system according to claim 1, it is characterised in that described screen
Positive testing agency is identical with screen reverse side testing agency structure, including annotating display pallet, Y-direction transmission module, detection phase
Machine, lighting source and camera support, described detection camera are arranged at the top of camera support, and described lighting source is arranged on inspection
Survey immediately below camera and be fixed on camera support, described Y-direction transmission module is horizontally installed on below lighting source, described
Screen transmission pallet is arranged on Y-direction transmission module, and described Y-direction transmission module, detection camera and lighting source are all connected with institute
The controller stated.
A kind of 3. screen defect full-automatic vision detecting system according to claim 1, it is characterised in that described upset
The screen upset suction pawl (25) and U that mechanism includes be connected with described controller respectively are to servomotor (26), and described U is to watching
Take motor (26) connection screen upset and inhale pawl (25).
A kind of 4. screen defect full-automatic vision detecting system according to claim 1, it is characterised in that described screen
The screen conveyance that transport mechanism includes being connected with described controller respectively inhales pawl (27) and X to transmission module (28), described X
Set in X direction to transmission module (28), the conveyance of described screen inhales pawl (27) and is arranged on X to transmission module (28) close to upset
Mechanism one end.
A kind of 5. screen defect full-automatic vision detecting system according to claim 1, it is characterised in that described Y-direction
Loaded pallets feed mechanism (1), Y-direction empty pallet cutting agency (3), Y-direction empty pallet feed mechanism (34), non-defective unit pallet blanking machine
Structure (36) is identical with defective products pallet cutting agency (37) structure, including support, Y-direction conveyance cylinder, Z-direction lift servo module
Cupped one hand in the other before the chest with Z-direction lifting, described Y-direction conveyance cylinder is horizontally set on support, and pallet is arranged on Y-direction conveyance cylinder, described
Z-direction lift servo module be vertically set on support one end, the lifting of described Z-direction is cupped one hand in the other before the chest is fixed on Z parallel to Y-direction conveyance cylinder
To on lift servo module, described Y-direction conveyance cylinder and Z-direction lift servo module are all connected with described controller.
6. a kind of screen defect full-automatic vision detecting system according to claim 1, it is characterised in that the first X is to support
Disk transport mechanism (2) and the 2nd X are put down in X direction to tray conveying mechanism (35) including X to servomotor, timing belt and two
The line slideway that row is set, the first described pallet fixed mechanism or the second pallet fixed mechanism are led across in two straight lines respectively
On rail, described X connects timing belt to servomotor, and described synchronous band connection the first pallet fixed mechanism or the second pallet are consolidated
Determine mechanism, described X is all connected with described controller to servomotor and timing belt.
A kind of 7. screen defect full-automatic vision detecting system according to claim 1, it is characterised in that described first
Pallet fixed mechanism and the second pallet fixed mechanism include travelling carriage and gripper cylinder, and described travelling carriage is slidably arranged in
One X to tray conveying mechanism (2) or the 2nd X to tray conveying mechanism (35) on, described gripper cylinder sets multiple and uniform
It is distributed in travelling carriage both sides, during fixed tray, gripper cylinder moves and withstands pallet both sides side wall, the connection of described gripper cylinder
Described controller.
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| CN201720214655.8U CN206854141U (en) | 2017-03-07 | 2017-03-07 | A kind of screen defect full-automatic vision detecting system |
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