CN211697574U - Visual detection system for packaging substrate - Google Patents
Visual detection system for packaging substrate Download PDFInfo
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- CN211697574U CN211697574U CN202020327381.5U CN202020327381U CN211697574U CN 211697574 U CN211697574 U CN 211697574U CN 202020327381 U CN202020327381 U CN 202020327381U CN 211697574 U CN211697574 U CN 211697574U
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Abstract
The utility model discloses a visual inspection system for a packaging substrate, which comprises a feeding area, an image capturing area with a first visual system, and an image capturing area for capturing images of a material sheet in a material box; the image capturing area of the first vision system is connected with the transmission area through a first four-axis mechanical arm; the conveying area is provided with a second vision system for identifying the position of the material sheet and an adjusting station for adjusting the position of the material sheet; the adjusting station is connected with the cutting area through a second four-axis mechanical arm to cut the material sheet; the cutting area is connected with the cleaning area and the air drying area through a conveying device; the air drying area, the front detection equipment and the back detection equipment are connected through a six-axis manipulator; the first vision system, the first four-axis mechanical arm, the second vision system, the second four-axis mechanical arm, the six-axis mechanical arm, the front detection device and the back detection device are respectively connected with the controller. The embedded cutting machine has the advantages that the embedded cutting machine is embedded into a cutting machine table, the quality of a cut product is detected immediately, and adverse effects caused by cutting deviation of the product are reduced.
Description
Technical Field
The utility model relates to an image recognition field especially relates to a packaging substrate visual detection system and method for detect the packaging substrate of types such as QFN, LGA, BGA.
Background
QFN, LGA, BGA, etc. are very widely used as some of the commonly used packages. During the production and cutting process, the conditions that the cutting deviation causes package size difference, product surface scratch and welding point of the welding pad to be out of specification standard can occur.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a packaging substrate visual inspection system, the embedding is in the cutting board, and the realization carries out quality detection immediately to the product after the cutting, reduces the harmful effects that the product cutting deviation brought.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a package substrate vision inspection system, comprising:
the feeding area is provided with an image capturing area of a first vision system, a material box is arranged in the image capturing area, and a plurality of material sheets are arranged in the material box; the image capturing area of the first vision system is connected with the transmission area through a first four-axis mechanical arm; the conveying area is provided with a second vision system for identifying the position of the material sheet and an adjusting station for adjusting the position of the material feeding sheet; the adjusting station is connected with the cutting area through a second four-axis mechanical arm and is used for cutting the material sheet; the cutting area is connected with the cleaning area and the air drying area through a conveying device; the air drying area, the front detection equipment and the back detection equipment are connected through a six-axis manipulator; the first vision system, the first four-axis mechanical arm, the second vision system, the second four-axis mechanical arm, the six-axis mechanical arm, the front detection device and the back detection device are respectively connected with the controller.
And the conveying area is also provided with a dust removal area which is positioned in front of the second vision system.
And a vision system image capturing area is arranged on the conveying device behind the air drying area, and a third vision system connected with the controller is arranged on the vision system image capturing area.
The packaging substrate visual detection system is further provided with a material placing area, and the material placing area is connected with the front detection device and the back detection device through six mechanical arms respectively.
The optimization and improvement of the set of visual inspection system mainly comprises the following items:
1. designing a visual component platform, shooting in a large visual field, ensuring that the image quality of the edge area of the visual field is consistent with that of the center of the visual field, and ensuring that the edge area of the visual field can be accurately detected;
2. a single field of view contains a plurality of products, and after the images are collected, the plurality of products are divided into a plurality of modules to be detected synchronously, for example: for products with 4mm multiplied by 4mm, 5 multiplied by 6 products exist in a single visual field, the best module is calculated to be 4-5 modules after considering the performance of a computer, each module is responsible for the detection of a part of products, and the modules detect simultaneously and do not interfere with each other, thereby reducing the detection time and improving the production efficiency;
and 3, limiting positioning, namely considering the error of the moving of the machine, even a small error, accumulating the error to the last error and possibly influencing the detection, and selecting only one proper product for initial positioning by each module, thereby solving the problem of moving deviation and avoiding the trouble that each product needs to be positioned and the detection time is increased.
Compared with the prior art, the utility model discloses the embedding realizes carrying out the quality testing immediately to the product after the cutting in the cutting board, reduces the harmful effects that the product cutting deviation brought.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of hardware construction of the front detection device in the embodiment of the present invention.
Fig. 3 is a schematic diagram of hardware installation of the reverse side detection device in the embodiment of the present invention.
Fig. 4 is a flowchart of a visual inspection method for a mounted substrate in this embodiment.
Fig. 5 is a flowchart of a frame of a visual inspection method for a mounted substrate in this embodiment.
Fig. 6 is a schematic diagram of the photographing sequence in this embodiment.
Fig. 7 is a flowchart of new product setup in the present embodiment.
In the figure:
1-a feeding area; 2-a transfer zone; 3-a vision system image capturing area; 4-a cleavage zone; 5-a cleaning area; 6-front side detection equipment; 7-reverse side detection equipment; 8-a material discharging area; 9-adjusting the station; 10-a second four-axis manipulator; 11-air-drying zone; 12-six axis robot.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to fig. 1, a package substrate vision inspection system in this embodiment includes: the automatic cleaning machine comprises a feeding area 1, a conveying area 2, a vision system image capturing area 3, a cutting area 4, a cleaning area 5, a front detection device 6, a back detection device 7 and a discharging area 8. In this embodiment, the front surface detection device 6 and the back surface detection device 7 both adopt AOI detection devices.
The feeding area 1 is used for feeding material in a material box, and 25 tablets (not limited to 25 tablets) can be filled in one material box. Be provided with the district of getting for instance of first vision system on material loading district 1, the district of getting for instance (including camera, light source) of first vision system is connected with transfer area 2 through first four-axis manipulator, and first four-axis manipulator is used for snatching the tablet in material loading district 1 and places appointed position (transfer area 2 in this embodiment promptly), can intercommunicate with first vision system between, and first four-axis manipulator passes through TCP/IP with first vision system, and IO communicates.
Conveying zone 2, can convey the piece to first vision system get for instance the detection zone, conveying zone 2 in this embodiment adopts conveyer, first four-axis manipulator picks the piece after and places conveyer (like the conveyer belt), still be provided with second vision system (including CCD camera, light source), have an adjustment station 9 (like the carousel) on the conveyer at second vision system place, the image that the CCD camera high definition was taken is through backstage analysis back, can adjust the offset of piece at the adjustment station, make the piece guarantee level, it is vertical.
In addition, a dust removal area is arranged on the conveying area 2 and is positioned in front of the second vision system. The web passes through the dusting zone from the transport zone 2, through the conveyor belt, and onto the image capture inspection zone of the second vision system, where it is dusted or the like.
And the cutting area 4 comprises a cutting device, and the second four-shaft mechanical arm 10 grabs the material sheet passing through the dust removal area and places the material sheet on a cutting carrier of the cutting device. The cutting device cuts the whole piece of material into a plurality of small products through the cutting tool.
And in the cleaning area 5, after the material sheet is cut, dust exists on the surface of the product, and the cleaning equipment cleans the surface of the cut small product by water. Be provided with the conveyer (like the conveyer belt) that supplies the product to remove between cutting district 4 and the washing district 5, the cutting carrier that the second four-axis manipulator 10 bore a load of cutting tablet removes to conveyer on, passes through washing district 5 and subsequent air-dry district 11 in proper order through conveyer, is provided with gas blowing equipment in the air-dry district 11, weathers product (tablet) surface with gas.
The front detection equipment 6 is connected with the vision system image capturing area 3 through a six-axis manipulator 14, the vision system image capturing area 3 is placed on a conveying device behind the air drying area 11, a third vision system (comprising a camera and a light source) is arranged on the vision system image capturing area 3, the six-axis manipulator 12 is used for grabbing a material sheet in the vision system image capturing area 3 and placing the material sheet on the front detection equipment 6/the back detection equipment 7, and the six-axis manipulator 14 is communicated with the third vision system through TCP/IP and IO.
And the front detection equipment 6 is used for detecting whether the laser code of each product is correct or not and detecting whether the surface of the product is dirty or scratched or not, and the component structure is a hardware erection schematic diagram shown in fig. 2.
And the reverse side detection device 7 is used for detecting whether the size of each product is within a range (whether cutting is deviated or not) and detecting whether the pin of each product is normal or not, and the assembly structure is a hardware erection schematic diagram shown in fig. 3.
The material placing area 8 is a placing area after the product detection is finished, and the material placing area 8 is respectively connected with the front detection device 6 and the back detection device 7 through a six-axis manipulator 12. The placing area is divided into four placing positions according to the visual detection result, and products are divided into Good, Rework, Empty and Reject.
The first vision system, the first four-axis mechanical arm, the second vision system, the second four-axis mechanical arm 10, the six-axis mechanical arm 12, the third vision system, the front detection device 6 and the back detection device 7 are respectively connected with the controller. The first visual system, the second visual system and the third visual system are a set of unified visual systems, and are collectively called as the visual systems.
In this embodiment, still be provided with the turning device and the suction pen that link to each other with the controller and inhale the material district before blowing district 8, turning device overturns 180 degrees with the product, and the suction pen in the suction pen inhale the material district absorbs the remaining impurity on product surface, plays clean effect.
With reference to fig. 4 and 5, the visual inspection method for a mounted substrate in the present embodiment utilizes the visual inspection system for a package substrate, and includes the following steps:
s1, the machine starts working, ID is scanned, and the machine and the vision system switch or newly build a corresponding setting file according to the product type; setting a product batch number, starting the batch, and resetting all result data by the vision system;
s2, when the image capturing area of the first vision system senses a material box for placing material sheets, photographing the material box, and distinguishing whether the material sheets exist in the material box through an image algorithm; if the material sheets exist, the first four-axis mechanical hand grabs the material sheets in the material taking box and places the material sheets in the conveying area 2 for conveying;
s3, sensing the material sheet by the image capturing area of the second vision system, photographing the position of the material sheet, distinguishing the position of the material sheet through an image algorithm, and transmitting the position information to the controller; when the material sheet is positioned at the adjusting station, the adjusting station can adjust the position of the material sheet according to the control information of the controller; before the station is adjusted, the material sheet can be subjected to dust removal treatment;
s4, when the material sheet is adjusted in position, the second four-axis robot 10 receives the signal from the controller, and picks up and transfers the material sheet at the adjustment station to the cutting carrier on the cutting apparatus (the cutting carrier is placed on the cutting platform); after the material sheet is placed on the cutting carrier and the second four-axis mechanical arm 10 leaves the cutting equipment, the cutting equipment cuts the material sheet on the cutting carrier and divides the material sheet into a plurality of small products;
s5, after cutting, the cutting carrier can bring the cut material sheet to a washing area 5, and the surface of the material sheet is washed in the washing area to treat surface impurities; then the cutting carrier moves to an air drying area 11, and the surface of the material sheet is dried by air blowing equipment;
s6, after the blowing equipment finishes blowing, the third vision system photographs the cut material piece in the cutting carrier, and whether the surface of the material piece is dried is judged through an image algorithm; if the material is dried, a drying signal is sent to the controller, the six-axis manipulator 12 receives the signal from the controller, grabs the material sheet and moves the material sheet to the front detection equipment 6 and the back detection equipment 7 for product defect detection.
And S7, storing the data detected by the front detection device 6 and the back detection device 7 aiming at the products in a batch file, and placing the detected products in corresponding placing areas in a classified manner.
In the above S6, the front side detecting device 6 has a light source and a visual component such as a camera for detection, and the back side detecting device 7 has a light source and a visual component such as a camera for detection, and the detecting steps are as follows:
detecting a printing surface of the material sheet; the product is placed at the position of the first photographing, and the vision system automatically learns Mark printing under the control of an instruction; the machine station automatically moves from the first photographing position in sequence (as shown in fig. 6), and controls the vision system to perform photographing detection through instructions; and counting production data every time of visual detection, filling a result Map, and feeding back result information of a corresponding product to the machine.
In the above S7, the principle of classified placement: and after one piece of material is produced, classifying the product by the machine according to the detection result. Starting the production of the next piece until the detection of all the products in the batch is finished; at the conclusion of the batch, the vision system produces a corresponding data report.
Visual system setting process:
if the product has corresponding settings, the setting file can be selected to be directly loaded; or additionally storing the existing setting file, modifying the name of the setting file according to the requirement of a new batch, and then directly starting production.
If the product type is a new product type, the setting flow is as shown in FIG. 7, and the following steps are carried out:
(1) newly building a setting file of a first station of a vision system, selecting a product type as Mark, inputting the name of the setting file, storing and loading;
(2) entering system setting, and inputting information such as the size, the interval and the like of a product;
(3) setting the number of parallel processing modules according to the number of products or recommended values;
(4) setting Map parameters of a result according to the setting information on the machine and the actual specification of the product;
(5) saving system settings, and adding or modifying a required detection module and a required Tolerance module;
(6) setting and storing each detection module;
(7) entering a Tolerance module, setting an allowance parameter, selecting and storing an NG type corresponding to the detection item;
(8) the first station setup is completed;
(9) newly building a setting file of a second station of the vision system, selecting a product type (QFN \ LGA \ BGA), inputting a name of the setting file, storing and loading, and setting and storing the setting file of the second station in the same step;
(10) the vision preparation is completed and production is started.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (4)
1. A package substrate visual inspection system, comprising:
the feeding area is provided with an image capturing area of a first vision system, a material box is arranged in the image capturing area, and a plurality of material sheets are arranged in the material box; the image capturing area of the first vision system is connected with the transmission area through a first four-axis mechanical arm; the conveying area is provided with a second vision system for identifying the position of the material sheet and an adjusting station for adjusting the position of the material feeding sheet; the adjusting station is connected with the cutting area through a second four-axis mechanical arm and is used for cutting the material sheet; the cutting area is connected with the cleaning area and the air drying area through a conveying device; the air drying area, the front detection equipment and the back detection equipment are connected through a six-axis manipulator; the first vision system, the first four-axis mechanical arm, the second vision system, the second four-axis mechanical arm, the six-axis mechanical arm, the front detection device and the back detection device are respectively connected with the controller.
2. The package substrate vision inspection system of claim 1, wherein: and the conveying area is also provided with a dust removal area which is positioned in front of the second vision system.
3. The package substrate vision inspection system of claim 1, wherein: and a vision system image capturing area is arranged on the conveying device behind the air drying area, and a third vision system connected with the controller is arranged on the vision system image capturing area.
4. The package substrate vision inspection system of claim 1, wherein: the automatic feeding device is characterized by further comprising a feeding area, wherein the feeding area is connected with the front detection device and the back detection device through six mechanical arms respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020327381.5U CN211697574U (en) | 2020-03-16 | 2020-03-16 | Visual detection system for packaging substrate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020327381.5U CN211697574U (en) | 2020-03-16 | 2020-03-16 | Visual detection system for packaging substrate |
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| CN211697574U true CN211697574U (en) | 2020-10-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239159A (en) * | 2020-03-16 | 2020-06-05 | 科为升视觉技术（苏州）有限公司 | Packaging substrate visual detection system and method |
| CN112387604A (en) * | 2021-01-04 | 2021-02-23 | 深圳和美精艺半导体科技股份有限公司 | Method for detecting packaging substrate through AVI (automatic voltage indicator) detector and automatic point finder in networking mode |
-
2020
- 2020-03-16 CN CN202020327381.5U patent/CN211697574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239159A (en) * | 2020-03-16 | 2020-06-05 | 科为升视觉技术（苏州）有限公司 | Packaging substrate visual detection system and method |
| CN112387604A (en) * | 2021-01-04 | 2021-02-23 | 深圳和美精艺半导体科技股份有限公司 | Method for detecting packaging substrate through AVI (automatic voltage indicator) detector and automatic point finder in networking mode |
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