CN110160959A - A kind of AOI detection method and system - Google Patents
A kind of AOI detection method and system Download PDFInfo
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- CN110160959A CN110160959A CN201910446606.0A CN201910446606A CN110160959A CN 110160959 A CN110160959 A CN 110160959A CN 201910446606 A CN201910446606 A CN 201910446606A CN 110160959 A CN110160959 A CN 110160959A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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Abstract
The invention discloses a kind of AOI detection method and systems, AOI detection system in the present invention, pass through the first positioning device set gradually, first feed mechanism, first AOI testing agency, first cutting agency, turnover mechanism, second positioning device, second feed mechanism, 2nd AOI testing agency and the second cutting agency, AOI detection successively is carried out to the two sides of circuit board, realize the AOI detection mode of pipeline-type, due to operation of dividing the work, simplify task difficulty, operation proficiency is set to be easy to improve, and the partial interior time is converted to external time, effectively improve AOI detection efficiency, to improve maximum production capacity；Overcome and the low technical problem of AOI detection efficiency exists in the prior art.And AOI detection method effectively increases the efficiency of AOI detection by the AOI testing process of pipeline-type.
Description
Technical field
The present invention relates to field of circuit boards, especially a kind of AOI detection method and system.
Background technique
In the PCB production of early stage, what detection mainly cooperated electro-detection to complete by Manual Visual Inspection, with the hair of electronic technology
Exhibition, PCB layout density are continuously improved, and Manual Visual Inspection difficulty increases, and False Rate increases, and bigger to the Health cost of tester,
Electro-detection program composition is more loaded down with trivial details, and cost is higher, and can not detect certain form of defect, therefore, the inspection of AOI automated optical
Survey technology is increasingly being applied in PCB manufacture.
AOI (Automated Optical Inspection) detection is also known as automatic optics inspection technology, also referred to as machine
Vision detection technology or Automatic Visual Inspection are to be set based on optical principle come what is detected to the common deficiency encountered in production
It is standby.AOI system composition is the simple optical imagery integrated by general-purpose devices such as camera, camera lens, light source, computers and processing system
System.Upon automatic detection, machine acquires image by camera automatically scanning PCB, after image procossing, by the solder joint of test
It is compared with the qualified parameter in database, to check defect on PCB, and by display or Automatic Logos defect
It shows/marks, modified for maintenance personal.
Although AOI system has been used to may be implemented Automatic Visual Inspection, in prior art, it is still desirable to artificial to participate in
Into the AOI detection process of PCB, staff is needed to complete the operation such as PCB feeding and blanking, leads to existing AOI detection effect
Rate is still low, therefore, needs to improve this technology.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of AOI detection method and system, reloads the time for reducing to improve the efficiency of AOI detection.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides a kind of AOI detection system, including set gradually the first positioning device, on first
Expect mechanism, the first AOI testing agency, the first cutting agency, turnover mechanism, the second positioning device, the second feed mechanism, second
AOI testing agency and the second cutting agency；
Wherein, first positioning device is used to circuit board being fixed to the first predeterminated position；
First feed mechanism is used to transport the circuit board to the first AOI from first predeterminated position and examine
Survey the detection position of mechanism；
The first AOI testing agency is used to carry out first time AOI detection to the one side of the circuit board；
First cutting agency is used to transport the circuit board after first time AOI detection to the turnover mechanism；
The turnover mechanism is used to overturn the circuit board after first time AOI detection to another side；
Second positioning device is used to the circuit board after overturning being fixed to the second predeterminated position；
Second feed mechanism is for transporting the circuit board after overturning to institute from second predeterminated position
State the detection position of the 2nd AOI testing agency；
The 2nd AOI testing agency is used to carry out second of AOI detection to the another side of the circuit board；
Circuit board after second cutting agency is used to detect second of AOI carries out blanking.
Further, the AOI detection system further includes third feed mechanism, and the third feed mechanism is used for will be described
Circuit board is transported to first positioning device.
Further, the third feed mechanism is circuit board plate putting machine, for successively transporting the circuit board to institute
State the first positioning device.
Further, the AOI detection system further includes the first cleaning device, for cleaning the plate face of the circuit board,
The front end of the first AOI testing agency is arranged in first cleaning device.
It further, further include the second cleaning device between the turnover mechanism and the 2nd AOI testing agency, it is described
Second cleaning device is used to clean another plate face of the circuit board after overturning.
It further, further include the second conveying device between the turnover mechanism and second positioning device, described
Two conveying devices are used to transport the circuit board after overturning to second positioning device.
Further, first feed mechanism includes the first clamping device, and first clamping device is used for from described
First predeterminated position clamps on the circuit board to the detection position of the first AOI testing agency.
Further, first cutting agency includes the second clamping device, and second clamping device is used for from described
The circuit board is clamped on the detection position of first AOI testing agency to the turnover mechanism.
Further, first cutting agency further includes the first conveying device, and second clamping device is used for from institute
It states and clamps the circuit board on the detection position of the first AOI testing agency to first conveying device, the first conveying dress
It sets for transporting the circuit board to the turnover mechanism.
Further, second feed mechanism includes third clamping device, and the third clamping device is used for from described
Second predeterminated position clamps on the circuit board to the detection position of the 2nd AOI testing agency.
Further, second cutting agency includes circuit board unloader and the 4th clamping device, the 4th clamping
Device is used for according to the testing result of the first AOI testing agency and the 2nd AOI testing agency to not by AOI detection
Circuit board carry out blanking, the circuit board unloader is used to be detected according to the first AOI testing agency and the 2nd AOI
The testing result of mechanism carries out blanking to the circuit board detected by AOI.
Further, the first AOI testing agency and/or the 2nd AOI testing agency include that two AOI detections are flat
Platform.
Second aspect, the present invention provide a kind of AOI detection method, comprising:
First positioning step: circuit board is fixed to the positioning that circuit board is realized on the first predeterminated position；
First AOI detecting step: first time AOI detection is carried out to the one side of the circuit board after positioning；
Overturning step: the circuit board after first time AOI detection is overturn to the another side of the circuit board；
Second positioning step: by the circuit board after overturning be fixed on the second predeterminated position with again to circuit board into
Row positioning；
2nd AOI detecting step: second of AOI detection is carried out to the another side of the circuit board after positioning.
The beneficial effects of the present invention are:
AOI detection system in the present invention passes through the first positioning device for setting gradually, the first feed mechanism, the first AOI
Testing agency, the first cutting agency, turnover mechanism, the second positioning device, the second feed mechanism, the 2nd AOI testing agency and
Two cutting agencies successively carry out AOI detection to the two sides of circuit board, realize the AOI detection mode of pipeline-type, since the division of labor is made
Industry simplifies task difficulty, makes operation proficiency be easy to improve, and the partial interior time is converted to external time, reduces
It reloads the time, effectively improves AOI detection efficiency, to improve maximum production capacity；Overcome that AOI detection efficiency exists in the prior art is low
Under technical problem.And AOI detection method effectively increases the efficiency of AOI detection by the AOI testing process of pipeline-type.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of AOI detection system；
Fig. 2 is a kind of flow diagram of embodiment of AOI detection method.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Embodiment 1
It is a kind of structural schematic diagram of embodiment of AOI detection system with reference to Fig. 1, Fig. 1 in the present embodiment；AOI detection system
System includes the first feed mechanism, the first AOI testing agency, the first cutting agency, the turnover mechanism, the second feeder set gradually
Structure, the 2nd AOI testing agency and the second cutting agency；
First positioning device is used to circuit board (such as PCB printed circuit board) being fixed to the first predeterminated position；
First feed mechanism from the first predeterminated position by circuit board for transporting to the check bit of the first AOI testing agency
It sets；The image of circuit board is obtained since AOI testing agency generally uses camera, and is carried out according to the image of acquisition subsequent
Work is detected, the position that camera therefore, in AOI testing agency can be made to take circuit board all can serve as detection position；
First AOI testing agency is used to carry out first time AOI detection to the one side of circuit board, detects the circuit board of this one side
Existing defect；
First cutting agency is used to transport the circuit board after first time AOI detection to turnover mechanism；
Turnover mechanism is used to overturn the circuit board after first time AOI detection to the another side of circuit board；
Second positioning device is used to the circuit board after overturning being fixed to the second predeterminated position；
Second feed mechanism is for transporting the circuit board after overturning to the 2nd AOI testing agency from the second predeterminated position
Detection position；
2nd AOI testing agency is used to carry out the another side of circuit board second of AOI detection, detection circuit board it is another
Defect present in face；
Circuit board after second cutting agency is used to detect second of AOI carries out blanking, to continue after blanking
Process produces afterwards.
The AOI detection system of the present embodiment successively carries out AOI detection to the two sides of circuit board, realizes the AOI of pipeline-type
Detection mode simplifies task difficulty due to operation of dividing the work, and makes operation proficiency be easy to improve, and by setting before AOI is detected
Positioning operation is set, the positioned internal time is converted to external time, reduces the time of reloading, effectively improves AOI detection efficiency, from
And improve maximum production capacity；Overcome and the low technical problem of AOI detection efficiency exists in the prior art.Wherein, before increasing AOI detection
Positioning operation, may further ensure that AOI detection precision and quality.And increase turnover mechanism, feed mechanism and blanking machine
Structure further promotes the effect of AOI detection so that the pipeline-type detection gone out after advancing may be implemented in the AOI detection of tow sides
Rate.
With reference to Fig. 1, AOI detection system is illustrated below, AOI detection system is disposed with:
Third feed mechanism, for transporting circuit board to the first positioning device；In the present embodiment, third feed mechanism is
Circuit board plate putting machine, it is specifically, real for successively transporting circuit board to the first positioning operation platform of the first positioning device
When border produces, the circuit board for not carrying out AOI detection can be overlapped placements, and using between flexible material realization circuit board every
From, to avoid circuit board plate face by wipe spend.Flexible material includes offset plate (generally red), brown paper and cystosepiment, preferably
The isolation between circuit board is realized using red offset plate in ground.There are two draw platform for circuit board plate putting machine tool, wherein draws flat
Platform has multiple vacuum chucks, and absorption platform is for drawing circuit board, and an absorption platform is for drawing red offset plate, and one
A absorption platform is placed in the first positioning device after drawing circuit board, meanwhile, another draws platform for isolation
Red offset plate absorption moves on on other platform, facilitates and draws next piece of circuit board.Circuit board plate putting machine is using in the prior art
Plate putting machine can be realized, repeat no more.
First positioning device can use machinery positioning or view for circuit board to be fixed to the first predeterminated position
Positioning is felt to realize, the present embodiment preferably uses machinery positioning to realize from cost consideration, it is furthermore preferred that it is fixed to keep to the side using machinery
Position；In the present embodiment, the first predeterminated position is one side of the first positioning operation platform of the first positioning device.First positioning device
Circuit board is pushed to one side of the first positioning operation platform using pushing mechanism, realization keeps to the side to position；And vision positioning is benefit
Circuit board is fixed to the first predeterminated position by the movement that pushing mechanism is guided with camera, vision positioning it is more accurate but
It is implemented as Ben Genggao.And the first predeterminated position is fixed and invariable after setting, then grabs circuit from the first predeterminated position
When on plate to the detection position of the first AOI testing agency, the crawl position of every piece of circuit board is consistent, and the positioning before AOI detection can
To ensure that the detection position of all circuit boards meets unified requirement, the quality of AOI detection is ensured.
First cleaning device, for carrying out plate face cleaning to the circuit board (one side of circuit board) on the second predeterminated position,
Spot and dust are removed, since the route of circuit board is very tiny, dust and spot will affect AOI testing result, therefore, setting
The accuracy of AOI testing result can be improved in cleaning device.First cleaning device includes cleaning roller, is cleaned using cleaning roller
The plate face of circuit board.Theoretically, the front end of the first AOI testing agency is arranged in the first cleaning device, examines in first time AOI
Plate face is completed before surveying to clean, and in the present embodiment, after the work of the first positioning device, the plate face of circuit board is carried out clear
It is clean.
First feed mechanism, for the circuit board feeding after cleaning to the detection position of the first AOI testing agency, tool
Body, the first feed mechanism include the first clamping device (such as manipulator) from the circuit board after the clamping cleaning of the first predeterminated position to
On the detection position of first AOI testing agency.
First AOI testing agency, including but not limited to three-dimensional (3D) AOI testing agency and two dimension (2D) AOI testing agency,
Three-dimensional AOI testing agency is mainly used for the occasions such as the measurement of object shape geometric parameter, part grouping, positioning, identification；Two dimension
AOI testing agency be mainly used for product appearance (color, defect etc.) detection, different objects or appearance classification, the detection of good defective product with
The occasions such as classification.In the present embodiment, the first AOI testing agency is used to carry out first time AOI detection to the one side of circuit board.
First cutting agency, for transporting the circuit board after first time AOI detection to turnover mechanism.In the present embodiment,
First cutting agency includes the first conveying device and the second clamping device (such as manipulator), and the second clamping device is used for from first
Clamping circuit board is to the first conveying device on the detection position of AOI testing agency, and the first conveying device is for transporting circuit board
To turnover mechanism.Wherein, blanking also may be implemented only with the second clamping device in the first cutting agency, in the present embodiment, is
Pipeline-type AOI detection is gone on smoothly, the first conveying device transmitting circuit plate is set.First conveying device can be flowing water
Line belt etc..
Turnover mechanism, the circuit board after the detection of first time AOI for will receive are overturn to another side.It is noticeable
It is that circuit board overturning also may be implemented while blanking, but in order to reduce the structure complexity of the first cutting agency and reality
Ready-made, blanking and overturning are realized using Liang Ge mechanism.Specifically, turnover mechanism is realized using sun formula panel turnover machine.
Second conveying device, for transporting the circuit board after overturning to the second positioning device, the second conveying device can also
To be assembly line belt, the circuit board after overturning circulates to the second conveying device, then is transferred into the second positioning device.
Second positioning device, identical as the first positioning device for circuit board to be fixed to the second predeterminated position, second is fixed
Position device has the second positioning operation platform, and the second positioning device can be realized using machinery positioning or vision positioning, no
It repeats again.
Second cleaning device, for carrying out plate face cleaning to circuit board on the second predeterminated position (another side of circuit board),
Second cleaning device is identical as the structure of the first cleaning device.Theoretically, the second cleaning device is arranged in turnover mechanism and second
Between AOI testing agency, after overturning, plate face cleaning is completed before second AOI detection, in the present embodiment, the
After the work of two positioning devices, plate face is cleaned.
Second feed mechanism, for from the second predeterminated position by the circuit board feeding after cleaning to the 2nd AOI detection machine
On the detection position of structure.Second feed mechanism can use third clamping device (such as manipulator) Lai Shixian.
2nd AOI testing agency, including but not limited to three-dimensional (3D) AOI testing agency and two dimension (2D) AOI testing agency,
In the present embodiment, the 2nd AOI testing agency is used to carry out second of AOI detection to the another side of circuit board.
Second cutting agency carries out blanking for the circuit board after detecting second AOI, in the present embodiment, under second
Material mechanism includes circuit board unloader and the 4th clamping device (such as manipulator), and the 4th clamping device is used to be examined according to the first AOI
The testing result of mechanism and the 2nd AOI testing agency is surveyed to not by the circuit board of AOI detection (i.e. abnormal plate) progress blanking, electricity
Road plate unloader is used for according to the testing result of the first AOI testing agency and the 2nd AOI testing agency to the electricity detected by AOI
Road plate (i.e. normal panel) carries out blanking.Wherein, circuit board unloader is similar with circuit board plate putting machine, and there are two tools draws platform,
One absorption platform is drawn circuit board and is completed after receiving plate, another is drawn platform absorption flexible material and covers on circuit board, with
It is isolated between realization plate.
Finally, AOI testing agency herein may include multiple AOI inspections in order to further enhance the efficiency of AOI detection
Platform is surveyed, multiple fingers are more than two, and in the present embodiment, the first AOI testing agency and/or the 2nd AOI testing agency include two
AOI detection platform, it is possible to reduce waiting time when AOI is detected, lightened restrictions on using double AOI detection platforms to bottleneck process, to subtract
Few bottleneck time improves AOI detection efficiency, to improve maximum production capacity.
Embodiment 2
Embodiment 2 is provided based on embodiment 1, it is AOI with reference to Fig. 2, Fig. 2 that embodiment 2, which provides a kind of AOI detection method,
A kind of flow diagram of embodiment of detection method；The following steps executed including sequence:
First positioning step: circuit board is fixed to the positioning for realizing circuit board on the first predeterminated position, can be used
First positioning device completes the first positioning step；
First AOI detecting step: first time AOI detection is carried out to the one side of the circuit board after positioning, is examined using the first AOI
Mechanism is surveyed to complete the first AOI detecting step；
Overturning step: the circuit board after first time AOI detection is overturn to the another side of circuit board, tipper can be used
Structure realizes overturning step；
Second positioning step: the circuit board after overturning is fixed on the second predeterminated position to determine again circuit board
Position, can complete the second positioning step using the second positioning device；
2nd AOI detecting step: second of AOI detection is carried out to the another side of the circuit board after positioning, using the 2nd AOI
Testing agency completes the 2nd AOI detecting step.
AOI detection method in the present embodiment realizes the detection gone out after advancing by the AOI testing process of pipeline-type,
At this time due to operation of dividing the work, task difficulty is simplified, makes operation proficiency be easy to improve, and the partial interior time is converted to outside
Portion's time effectively improves AOI detection efficiency, to improve maximum production capacity.
Specifically, with reference to Fig. 1 and Fig. 2, AOI detection method is illustrated below:
1, the first feeding step: the circuit board suctioning that stacking is placed and (is isolated between realizing plate using flexible material) to first
On first positioning operation platform of positioning device, third feed mechanism can be used to execute the first feeding step.
2, the first positioning step: the circuit board on the first positioning operation platform is fixed to the first predeterminated position, first is pre-
If position is fixed and invariable after setting, then the inspection of circuit board to the first AOI testing agency is grabbed from the first predeterminated position
When location is set, the crawl position of every piece of circuit board is consistent, and the positioning before AOI detection may insure the detection of all circuit boards
Position meets unified requirement, ensures the quality of AOI detection.It is worth noting that, positioning operation can be machinery positioning or
Person is vision positioning, wherein the mode for positioning of keeping to the side can be used in machinery positioning.It can be realized using the first positioning device.
3, the first cleaning: the plate face of circuit board is cleaned on the first predeterminated position.It can be clear using first
Clean device is come the step for completion.
4, circuit board the second feeding step: is grabbed from the first predeterminated position to the detection position of the first AOI testing agency
On, it can be realized using the first feed mechanism.
5, the first AOI detecting step: the first AOI testing agency first carries out first time AOI detection to the one side of circuit board.
6, the first blanking step: the circuit board after the first cutting agency detects first time AOI carries out blanking, by circuit board
Blanking is to turnover mechanism；
7, overturning step: the circuit board after turnover mechanism detects first time AOI carries out turning operation to overturn to circuit
The another side of plate, for example, carrying out AOI detection to the front of circuit board in the first AOI detecting step, then overturning step is by circuit board
Overturning is to reverse side, grasping movement when in order to subsequent 2nd AOI detecting step feeding, therefore, the machine of subsequent crawl circuit board
Tool structure significantly reduces the complexity and design difficulty of crawl mechanical structure without completing turning operation；It is noticeable
It is that, in order to realize that AOI detects full-range automatic progress, the circuit board after overturning continues to be placed on transport assembly line (i.e. second
Conveying device) on circulate, finally circulate to the second positioning operation platform of the second positioning device.
8, the second positioning step: circuit board is fixed to second on the second positioning operation platform and preset by the second positioning device
Position.
9, the second cleaning: similar to the first cleaning, the second cleaning device is to the circuit on the second predeterminated position
Plate carries out plate face cleaning.
10, third feeding step: the second feed mechanism grabs circuit board to the 2nd AOI detection machine from the second predeterminated position
On the detection position of structure.
11, the 2nd AOI detecting step: the 2nd AOI testing agency carries out second of AOI detection to the another side of circuit board,
So far the AOI detection two-sided to circuit board is completed；
12, blanking, the AOI detection stream of one piece of circuit board the second blanking step: are carried out to the circuit board Jing Guo above-mentioned steps
Journey leaves it at that.Wherein, the second blanking step is executed using the second cutting agency, respectively to bad plate become reconciled plate carry out blanking,
The description of reference implementation example 1, repeats no more.
Therefore, in the present embodiment, pipeline-type detection mode is to go out after advancing, when converting outside for the positioned internal time
Between, to substantially reduce the bottleneck time of production line, improve production efficiency.It is worth noting that, in order to further increase AOI inspection
The efficiency of survey, AOI detect the AOI testing agency that used AOI testing agency is double detection platforms, reduce so original each
The detection waiting time, when first AOI detection platform is detected, can to another AOI detection platform carry out feeding,
So circulation, integrally can greatly promote AOI detection efficiency.
In addition, this AOI detection method, when actual production, a production line (i.e. AOI detection system) need to only configure one
Operator, in the case of same production capacity, former single machine detection method needs 5 people operation, only needs a people after changing assembly line, not only may be used
To effectively reduce human resources and human cost, production cost is reduced, and can effective improving production efficiency.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (13)
1. a kind of AOI detection system, which is characterized in that including set gradually the first positioning device, the first feed mechanism, first
AOI testing agency, the first cutting agency, turnover mechanism, the second positioning device, the second feed mechanism, the 2nd AOI testing agency and
Second cutting agency；
Wherein, first positioning device is used to circuit board being fixed to the first predeterminated position；
First feed mechanism from first predeterminated position by the circuit board for transporting to the first AOI detection machine
The detection position of structure；
The first AOI testing agency is used to carry out first time AOI detection to the one side of the circuit board；
First cutting agency is used to transport the circuit board after first time AOI detection to the turnover mechanism；
The turnover mechanism is used to overturn the circuit board after first time AOI detection to another side；
Second positioning device is used to the circuit board after overturning being fixed to the second predeterminated position；
Second feed mechanism is used to from second predeterminated position transport the circuit board after overturning to described the
The detection position of two AOI testing agencies；
The 2nd AOI testing agency is used to carry out second of AOI detection to the another side of the circuit board；
Circuit board after second cutting agency is used to detect second of AOI carries out blanking.
2. AOI detection system according to claim 1, which is characterized in that the AOI detection system further includes third feeding
Mechanism, the third feed mechanism is for transporting the circuit board to first positioning device.
3. AOI detection system according to claim 2, which is characterized in that the third feed mechanism is that circuit board puts plate
Machine, for successively transporting the circuit board to first positioning device.
4. AOI detection system according to any one of claims 1 to 3, which is characterized in that the AOI detection system is also wrapped
The first cleaning device is included, for cleaning the plate face of the circuit board, the first cleaning device setting is detected in the first AOI
The front end of mechanism.
5. AOI detection system according to any one of claims 1 to 3, which is characterized in that the turnover mechanism and described
It further include the second cleaning device between two AOI testing agencies, second cleaning device is used to clean the circuit after overturning
Another plate face of plate.
6. AOI detection system according to any one of claims 1 to 3, which is characterized in that the turnover mechanism and described
It further include the second conveying device between two positioning devices, the circuit board after second conveying device is used to overturn transports
To second positioning device.
7. AOI detection system according to any one of claims 1 to 3, which is characterized in that first feed mechanism includes
First clamping device, first clamping device are used to clamp the circuit board to described first from first predeterminated position
On the detection position of AOI testing agency.
8. AOI detection system according to any one of claims 1 to 3, which is characterized in that first cutting agency includes
Second clamping device, second clamping device is for clamping the electricity from the detection position of the first AOI testing agency
Road plate is to the turnover mechanism.
9. AOI detection system according to claim 8, which is characterized in that first cutting agency further includes first defeated
Send device, second clamping device for clamped from the detection position of the first AOI testing agency circuit board to
First conveying device, first conveying device is for transporting the circuit board to the turnover mechanism.
10. AOI detection system according to any one of claims 1 to 3, which is characterized in that the second feed mechanism packet
Third clamping device is included, the third clamping device is used to clamp the circuit board to described second from second predeterminated position
On the detection position of AOI testing agency.
11. AOI detection system according to any one of claims 1 to 3, which is characterized in that the second cutting agency packet
Circuit board unloader and the 4th clamping device are included, the 4th clamping device is used for according to the first AOI testing agency and institute
The testing result of the 2nd AOI testing agency is stated to blanking is not carried out by the circuit board of AOI detection, the circuit board unloader is used
According to the testing result of the first AOI testing agency and the 2nd AOI testing agency to the circuit board detected by AOI
Carry out blanking.
12. AOI detection system according to any one of claims 1 to 3, which is characterized in that the first AOI testing agency
And/or the 2nd AOI testing agency includes two AOI detection platforms.
13. a kind of AOI detection method characterized by comprising
First positioning step: circuit board is fixed to the positioning that circuit board is realized on the first predeterminated position；
First AOI detecting step: first time AOI detection is carried out to the one side of the circuit board after positioning；
Overturning step: the circuit board after first time AOI detection is overturn to the another side of the circuit board；
Second positioning step: the circuit board after overturning is fixed on the second predeterminated position to determine again circuit board
Position；
2nd AOI detecting step: second of AOI detection is carried out to the another side of the circuit board after positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446606.0A CN110160959A (en) | 2019-05-27 | 2019-05-27 | A kind of AOI detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Application publication date: 20190823 |