CN110715934A - Ceramic tile unfilled corner detection equipment and method - Google Patents
Ceramic tile unfilled corner detection equipment and method Download PDFInfo
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- CN110715934A CN110715934A CN201911096447.2A CN201911096447A CN110715934A CN 110715934 A CN110715934 A CN 110715934A CN 201911096447 A CN201911096447 A CN 201911096447A CN 110715934 A CN110715934 A CN 110715934A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 67
- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 11
- 230000007547 defect Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 230000007723 transport mechanism Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/888—Marking defects
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The invention discloses a ceramic tile unfilled corner detection device and a method, which comprises a complete machine frame, wherein a conveying mechanism for conveying ceramic tiles is arranged at the lower side in the complete machine frame in an inserting mode, an automatic centering machine for accurately and automatically positioning the ceramic tiles before detection is arranged at the front end of the complete machine frame, a plurality of industrial cameras are symmetrically distributed at four corners in the complete machine frame, LED lamps are arranged on two sides of each industrial camera, a first photoelectric switch and a synchronous controller for controlling the industrial cameras and the LED lamps are installed on the complete machine frame, the output end of each industrial camera is connected to a control console through a network cable, an ink-jet printer for marking the detected ceramic tiles and a second photoelectric switch for controlling the ink-jet printer are installed on the outer side of the complete machine frame, and the control console is connected with the ink-jet printer through an. The detection process of the invention is full-automatic, accurate, rapid and efficient, and can automatically mark and completely meet the continuous production requirement of the production line.
Description
Technical Field
The invention relates to the field of tile detection, in particular to tile unfilled corner detection equipment and method.
Background
In the production of ceramic tiles, the detection of the unfilled corners on the lower surfaces of the ceramic tiles with complete surfaces of the ceramic tiles mainly depends on human eyes for distinguishing. Generally, a person stands on one side surface of a conveying belt, firstly, two corners faced by the person are directly observed, then, the other two corners are observed through a reflector placed at a certain angle on the opposite surface, and when the corner defect of the ceramic tile is found, the ceramic tile is directly taken away, or a mark is made and is processed by a subsequent detector. Due to the influence of observation light, observation angle and human energy, the requirement of no missed detection is often difficult to achieve. In addition, the visual detection of human eyes can only adapt to the condition that the transmission belt is slow (less than 0.5m/s), when the transmission belt speed is high (more than 0.7m/s), the omission ratio is higher, and when the transmission speed reaches a certain time (more than 0.9m/s), the visual detection of four corners cannot be finished by human eyes. Meanwhile, the detection of human eyes on the unfilled corner can only achieve qualitative detection, and the unfilled corner degree is judged according to experience, so that the detection accuracy is not high.
Disclosure of Invention
In order to avoid the influence of environmental and human factors on the corner defect detection under the ceramic tile, improve the detection efficiency and the detection accuracy, and avoid the problem of missing detection or incapability of carrying out complete detection when the transmission speed is high, the invention provides the ceramic tile corner defect detection equipment and the method which have the advantages of full automation, accuracy, rapidness and high efficiency in the detection process, can automatically identify and can completely meet the continuous production requirement of a production line.
In order to achieve the purpose, the invention adopts the following technical scheme:
a ceramic tile unfilled corner detection device comprises a complete machine frame, a conveying mechanism for conveying ceramic tiles is arranged at the lower side inside the complete machine frame in an inserting mode, an automatic centering machine for enabling the ceramic tiles to be accurately and automatically positioned before detection is arranged at the front end of the complete machine frame, a plurality of industrial cameras are symmetrically distributed at four corners inside the complete machine frame, LED lamps are arranged on two sides of each industrial camera, a first photoelectric switch for controlling the industrial cameras and the LED lamps is mounted at the inner side of the complete machine frame, a synchronous controller is further mounted on the inner wall of the complete machine frame, the output end of the first photoelectric switch is connected to the synchronous controller through a cable, the synchronous controller is used for synchronizing the industrial cameras and the LED lamps, the output end of each industrial camera is connected to a control console through a network cable, an ink jet printer for marking the detected ceramic tiles and a second photoelectric switch for controlling the ink jet printer are mounted, and the console is connected with the code spraying machine through an RS232 bus.
Furthermore, an image processing industrial control computer is installed in the console, a display is installed on the upper portion of the console, the output end of the industrial camera is connected to the image processing industrial control computer through a cable, and the display is used for displaying the detection result.
Furthermore, four industrial cameras are symmetrically distributed at four corners inside the whole machine frame, and two sides of each industrial camera are respectively provided with one LED lamp.
A ceramic tile unfilled corner detection method comprises the steps that when a ceramic tile is conveyed to an automatic centering machine by a conveying mechanism, the automatic centering machine positions the ceramic tile to enable the position of the ceramic tile to be adjusted, when the ceramic tile passes through a first photoelectric switch, a synchronous controller sends a starting signal to an industrial camera and an LED lamp, the industrial camera inputs acquired information to a console, the console sends a detection result to an ink-jet printer for caching through operation, when the ceramic tile runs to a second photoelectric switch, a signal is sent to the console, the console controls the ink-jet printer to jet ink, and after receiving the signal, the console controls the ink-jet printer to jet ink, so that marking of the grade of the ceramic tile is completed.
Furthermore, an image processing industrial control computer is installed in the console, and a display is installed at the upper part of the console; the industrial camera transmits the acquired information to the image processing industrial control computer, and the image processing industrial control computer sends the detection result to the display for display and the ink-jet printer for caching through size operation.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the invention has higher automation, does not need to stop the image acquisition and the tile marking process, and has higher detection speed; 2. the detection result is more accurate and comprehensive, the unfilled corners of four corners below the ceramic tile can be quickly detected all at once, the missed detection rate is greatly reduced, and meanwhile, the positions of the unfilled corners can be determined on the premise of detecting whether the unfilled corners exist or not; 3. the LED lamp is started to work only when photographing is carried out, and does not work when no ceramic tile is used and the photographing is not carried out, so that the service life of the LED illuminating lamp is greatly prolonged; 4. the ceramic tile quality grading is more perfect, the ceramic tile can be graded and marked in detail according to the management requirement, and not only is qualified and unqualified, so that the productivity is greatly liberated, and the production management is facilitated.
Drawings
FIG. 1 is a front view structural view of a ceramic tile corner-lacking apparatus;
FIG. 2 is a sectional view of the structure of A-A in FIG. 1.
Wherein, 1, a console; 2. a conveying mechanism; 3. an automatic centering machine; 4. a complete machine frame; 5. an industrial camera; 6. an LED lamp; 7. a first photoelectric switch; 8. a second photoelectric switch; 9. an ink jet printer; 10. and a synchronous controller.
Detailed Description
The invention is described in further detail below:
referring to fig. 1 and 2, a ceramic tile unfilled corner detection device comprises a complete machine frame 4, a conveying mechanism 2 for conveying ceramic tiles is arranged at the lower side inside the complete machine frame 4 in an inserting manner, an automatic centering machine 3 for accurately and automatically positioning ceramic tiles before detection is arranged at the front end of the complete machine frame 4, four industrial cameras 5 are symmetrically distributed at four corners inside the complete machine frame 4, two sides of each industrial camera 5 are respectively provided with an LED lamp 6, the complete machine frame 4 is provided with a first photoelectric switch 7 for controlling the industrial cameras 5 and the LED lamps 6, a synchronous controller 10 is arranged at the right side of the upper part inside the complete machine frame 4, the output end of each industrial camera 5 is connected to a control console 1 through a network cable, an image processing industrial control computer is arranged inside the control console 1, the upper part is provided with a display, the output end of each industrial camera 5 is connected to the image processing industrial control, the display is used for displaying the detection result, the code spraying machine 9 used for marking the detected ceramic tiles and the second photoelectric switch 8 used for controlling the code spraying machine 9 are installed on the outer side of the whole machine frame 4, and the control console 1 is connected with the code spraying machine 9 through an RS232 bus.
A ceramic tile unfilled corner detection method comprises the steps that when a ceramic tile is conveyed to an automatic centering machine 3 by a conveying mechanism 2, the automatic centering machine 3 positions the ceramic tile to enable the position of the ceramic tile to be adjusted, when the ceramic tile passes through a first photoelectric switch 7, a synchronous controller 10 sends a starting signal to an industrial camera 5 and an LED lamp 6, the industrial camera 5 inputs acquired information to an image processing industrial control computer, the image processing industrial control computer sends a detection result to a display to be displayed and an ink-jet printer 11 to be cached through operation, when the ceramic tile runs to a second photoelectric switch 8, a signal is sent to a control console 1, the control console 1 controls the ink-jet printer 9 to jet the ink after receiving the signal, and marking of the grade of the ceramic tile is completed.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
1. The whole structure of the equipment is one of the technical characteristics of the invention. The equipment comprises an automatic centering machine 3, a whole machine frame 4, a conveying mechanism 2, an industrial camera 5, an LED lamp 6, a first photoelectric switch 7, a second photoelectric switch 8, a synchronous controller 10, a control console 1 (an image processing industrial personal computer is arranged inside the control console, and a display is arranged on the upper portion of the control console) and an ink-jet printer 9.
2. The design that the automatic centering machine 3 is arranged outside the conveying mechanism 2 close to the whole machine frame 4 is the second technical characteristic of the invention. The automatic centering machine 3 can effectively enable the ceramic tiles to be accurately and automatically positioned before detection, and the detection precision is greatly guaranteed.
3. The technical characteristics of the invention are that four industrial cameras 5 are arranged in the whole machine frame 4. Four industrial cameras 5 are horizontally placed and respectively aligned with four corners of the tile for shooting.
4. The invention is characterized in that eight LED lamps 6 are arranged in the whole machine frame 4. Eight LED lamps 6 light sources are installed above the corner portions of the ceramic tile, every two LED lamps 6 illuminate two side faces of one corner at a certain angle, and the eight LED lamps finish the illumination of the four corners. When detecting, when detecting that there is the ceramic tile to enter into the detection position, first photoelectric switch 7 triggers LED lamp 6 through synchronous controller 10 and opens, illuminates four angles of ceramic tile, controls industrial camera 5 simultaneously and shoots.
5. The first photoelectric switch 7 and the synchronous controller 10 are the fifth technical feature of the present invention. When the first photoelectric switch 7 detects that the detected ceramic tile enters the detection position, the eight LED lamps 6 are controlled by the synchronous controller 10 to illuminate four corners of the ceramic tile, and the four corner cameras are controlled to finish photographing.
6. The console 1 with display function is designed as the sixth technical feature of the present invention. The console 1 comprehensively processes all received information, efficiently and quickly sends out instructions and can display detection results on the display in real time, and a keyboard mouse on the console can be folded into the console, so that the keyboard can be effectively prevented from falling ash.
7. The fast automatic detection is the seventh technical feature of the present invention. The system collects four corner images of the ceramic tile and processes the four corner images, detection is completed before the next tile arrives, detection larger than 1m/s can be achieved, and detection efficiency is greatly improved.
8. The invention is characterized in that an automatic code spraying machine 9 is arranged outside the whole machine frame 4. After the detection is finished, the automatic code spraying machine 9 can spray various marks according to the detected instruction, which is a preset corresponding relation and can meet more classification requirements.
The technical scheme is as follows: the ceramic tile unfilled corner detection device comprises a conveying mechanism 2 and a complete machine frame 4, wherein the conveying mechanism 2 is positioned at the lower side inside the complete machine frame 4, and an automatic centering machine 3 is arranged at the front end of the complete machine frame 4 of the conveying mechanism 2. The whole machine frame 4 is provided with a first photoelectric switch 7, four industrial cameras 5, eight LED lamps 6 and a synchronous controller 10, wherein the LED lamps 6 are placed above four corners of the tile to irradiate two side faces at the corner of the tile at a certain angle. The industrial camera 5 is placed horizontally, and the lens faces the corner of the tile. When detecting, wait to examine the ceramic tile and place on conveying mechanism 2, be equipped with first photoelectric switch 7 in the place that the ceramic tile passes through, when detecting that there is the ceramic tile to enter into the detection position, first photoelectric switch 7 triggers LED lamp 6 through synchronous controller 10 and opens, the industrial camera 5 at four angles shoots simultaneously, the image passes through the net twine and transmits the image to image processing industrial control computer, image processing industrial control computer discerns the photo of industrial camera 5, because there is the shining of LED lamp, the photo at the ceramic tile angle shows the difference of light and shade, there is the regional of ceramic tile because of the shining of LED lamp, the reflection of light is white, there is not ceramic tile or unfilled corner be black, count respectively the pixel that the light and shade occupies, use the vertical edge of brick angle as the center pin, can judge the position and the size of unfilled corner very easily, and obtain the testing result of four angular unfilled corner of ceramic tile.
Specifically, the ceramic tile unfilled corner detection device comprises a conveying mechanism 2 and a complete machine frame 4, wherein the conveying mechanism 2 is located on the lower side inside the complete machine frame 4, and an automatic centering machine 3 is installed at the front end of the complete machine frame of the conveying mechanism. A first photoelectric switch 7 is arranged in the whole machine frame 4, eight LED lamps 6 and four industrial cameras 5 are respectively arranged at four corners of the lower portion of the whole machine frame 4, a synchronous controller 10 is arranged on the right side of the upper portion of the whole machine frame 4, and a second photoelectric switch 8 and an ink-jet printer 9 are arranged at the rear end of the whole machine frame 4. The output ends of the four industrial cameras 5 are connected with the input end of the image processing industrial control computer and can display and control through the control console 1 with the display function.
The ceramic tile unfilled corner detection method comprises the following steps: when the ceramic tile is transported to the automatic centering machine 3 by the transport mechanism 2, the centering machine positions the ceramic tile to enable the position of the ceramic tile to be centered, when the ceramic tile passes through the first photoelectric switch 7, the synchronous controller 10 sends a starting signal to the eight LED lamps 6 and the four industrial cameras 5, the industrial cameras 5 input acquired information to the image processing industrial control computer of the control console 1, the image processing industrial control computer sends a detection result to the display and the code spraying machine 9 for caching through operation, when the ceramic tile runs to the second photoelectric switch 8, a signal is sent to the control console 1, the control console 1 controls the code spraying machine 9 to spray codes after receiving the signal, and marking of the grade of the ceramic tile is completed.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (5)
1. A ceramic tile unfilled corner detection device is characterized by comprising a whole machine frame (4), wherein a conveying mechanism (2) for conveying ceramic tiles is arranged at the lower side in the whole machine frame (4) in an inserting mode, an automatic centering machine (3) for enabling the ceramic tiles to be accurately and automatically positioned before detection is arranged at the front end of the whole machine frame (4), a plurality of industrial cameras (5) are symmetrically distributed at four corners in the whole machine frame (4), LED lamps (6) are arranged on two sides of each industrial camera (5), a first photoelectric switch (7) for controlling the industrial cameras (5) and the LED lamps (6) is arranged on the inner side of the whole machine frame (4), a synchronous controller (10) is further arranged on the inner wall of the whole machine frame (4), the output of the first photoelectric switch (7) is connected to the synchronous controller (10) through a cable, and the synchronous controller (10) is used for synchronizing the industrial cameras (5) and the LED lamps (6) to work, the output end of the industrial camera (5) is connected to the control console (1) through a network cable, an ink-jet printer (9) used for marking the detected ceramic tiles and a second photoelectric switch (8) used for controlling the ink-jet printer (9) are installed on the outer side of the whole machine frame (4), and the control console (1) is connected with the ink-jet printer (9) through an RS232 bus.
2. The tile unfilled corner detection device of claim 1, wherein an image processing industrial control computer is installed in the console (1), a display is installed on the upper portion of the console, the output end of the industrial camera (5) is connected to the image processing industrial control computer through a cable, and the display is used for displaying the detection result.
3. The tile corner defect detection equipment according to claim 1, wherein four industrial cameras (5) are symmetrically distributed at four corners inside the whole machine frame (4), and two sides of each industrial camera (5) are respectively provided with one LED lamp (6).
4. A tile unfilled corner detection method adopts the tile unfilled corner detection device of claim 1, characterized in that, when a tile is transported to the automatic centering machine (3) by the transport mechanism (2), the automatic centering machine (3) positions the tile to align the tile position, when the tile passes through the first photoelectric switch (7), the synchronous controller (10) sends a start signal to the industrial camera (5) and the LED lamp (6), the industrial camera (5) inputs the acquired information to the console (1), the console (1) sends the detection result to the code spraying machine (9) for caching through operation, when the tile runs to the second photoelectric switch (8), the signal is sent to the console (1), and the code spraying machine (9) is controlled to spray codes after the signal is received by the console (1), so as to finish the marking of the tile grade.
5. The tile unfilled corner detection method according to claim 4, wherein the control console (1) is internally provided with an image processing industrial control computer, and the upper part is provided with a display; the industrial camera (5) transmits the acquired information to the image processing industrial control computer, and the image processing industrial control computer sends the detection result to the display and the code spraying machine (9) for caching through size operation.
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| CN201911096447.2A CN110715934A (en) | 2019-11-11 | 2019-11-11 | Ceramic tile unfilled corner detection equipment and method |
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| CN201911096447.2A CN110715934A (en) | 2019-11-11 | 2019-11-11 | Ceramic tile unfilled corner detection equipment and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975557A (en) * | 2010-08-31 | 2011-02-16 | 杭州三速科技有限公司 | Ceramic plate detection equipment and detection method |
| CN104111260A (en) * | 2014-07-09 | 2014-10-22 | 广州中国科学院沈阳自动化研究所分所 | Nondestructive ceramic detection device and detection method thereof |
| WO2014207675A1 (en) * | 2013-06-26 | 2014-12-31 | Nuova Sima S.P.A. | A method for scanning a coloured surface of a tile and a device for actuating the method |
| CN109614994A (en) * | 2018-11-27 | 2019-04-12 | 佛山市奥策科技有限公司 | A kind of tile typology recognition methods and device |
| CN109738432A (en) * | 2018-11-21 | 2019-05-10 | 上海巧视智能科技有限公司 | A kind of diagonal line detection machine |
| CN211122573U (en) * | 2019-11-11 | 2020-07-28 | 佛山市新石器机器人有限公司 | Ceramic tile unfilled corner detection equipment |
-
2019
- 2019-11-11 CN CN201911096447.2A patent/CN110715934A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975557A (en) * | 2010-08-31 | 2011-02-16 | 杭州三速科技有限公司 | Ceramic plate detection equipment and detection method |
| WO2014207675A1 (en) * | 2013-06-26 | 2014-12-31 | Nuova Sima S.P.A. | A method for scanning a coloured surface of a tile and a device for actuating the method |
| CN104111260A (en) * | 2014-07-09 | 2014-10-22 | 广州中国科学院沈阳自动化研究所分所 | Nondestructive ceramic detection device and detection method thereof |
| CN109738432A (en) * | 2018-11-21 | 2019-05-10 | 上海巧视智能科技有限公司 | A kind of diagonal line detection machine |
| CN109614994A (en) * | 2018-11-27 | 2019-04-12 | 佛山市奥策科技有限公司 | A kind of tile typology recognition methods and device |
| CN211122573U (en) * | 2019-11-11 | 2020-07-28 | 佛山市新石器机器人有限公司 | Ceramic tile unfilled corner detection equipment |
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