CN111638221A - Floor tile detection device based on machine vision - Google Patents
Floor tile detection device based on machine vision Download PDFInfo
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- CN111638221A CN111638221A CN202010635920.6A CN202010635920A CN111638221A CN 111638221 A CN111638221 A CN 111638221A CN 202010635920 A CN202010635920 A CN 202010635920A CN 111638221 A CN111638221 A CN 111638221A
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- fixedly connected
- rod
- detection device
- floor tile
- detection
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
- G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
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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
-
- 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
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
The invention provides a floor tile detection device based on machine vision, which comprises: the device comprises a vision detection device, a levelness detection device, a moving device and a conveying device; the visual detection device comprises a supporting rod fixedly connected with the conveying device, a mounting rod fixedly connected with the supporting rod, and a plurality of industrial cameras fixedly connected with the mounting rod; the levelness detection device comprises a mounting plate parallel to the conveying device, a connecting rod in sliding connection with the mounting plate, and a detection plate fixedly connected with the connecting rod. The invention has the beneficial effects that: the visual detection device can detect surface defects such as cracks, abnormal color points, scratches and the like on the floor tiles, and improve the detection efficiency; the levelness detection of the floor tiles can be realized through the arranged levelness detection device; through the mobile device who sets up, can remove the floor tile that detects ineligibly.
Description
Technical Field
The invention relates to the technical field of machine vision detection, in particular to a floor tile detection device based on machine vision.
Background
The traditional detection method is manual detection, and due to the fact that objective factors such as judgment standards are different and fatigue detection causes missing detection, wrong detection and the like, along with the rapid development of automatic production technology, more and more enterprises realize automatic production, the number of products is greatly increased, and the cost of manual detection is increased; along with the development of science and technology and the promotion of people's standard of living, the production technology of floor tile is constantly improved, and more enterprises and family tend to use big breadth floor tile, and traditional artifical detection efficiency can not satisfy the detection requirement far away.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a floor tile detection device based on machine vision.
The problem of among the prior art artifical ground plate brick that detects with high costs, and artifical detection efficiency can not satisfy the detection requirement is solved.
The invention is realized by the following technical scheme:
the invention provides a floor tile detection device based on machine vision, which comprises: the device comprises a vision detection device, a levelness detection device, a moving device and a conveying device;
the visual detection device comprises a supporting rod fixedly connected with the conveying device, a mounting rod fixedly connected with the supporting rod, and a plurality of industrial cameras fixedly connected with the mounting rod;
the levelness detection device comprises a mounting plate parallel to the conveying device, a groove formed in the mounting plate, a connecting rod in sliding connection with the groove, and a detection plate fixedly connected with the connecting rod; wherein, a distance sensor is fixedly connected in the groove, and the detection plate is rotatably connected with a plurality of rollers;
the mobile devices comprise a first mobile device and a second mobile device; the first moving device is located between the vision detecting device and the levelness detecting device, and the second moving device is located behind the levelness detecting device along the conveying direction of the conveying device.
Preferably, the support rod is fixedly connected with a lighting lamp, and the support rod is fixedly connected with a light-operated switch for controlling the lighting lamp.
Preferably, first chutes are respectively formed in two opposite inner walls of the groove, each first chute is internally provided with a first sliding block in sliding connection, the first sliding block is connected with the corresponding side wall of the first chute through a spring, and one end of the connecting rod is fixedly connected with the first sliding block.
Preferably, the first moving device or the second moving device comprises a parallel rod parallel to the conveying device, a second sliding chute formed on the parallel rod, a second sliding block connected with the second sliding chute in a sliding manner, an expansion link fixedly connected with the second sliding block, and a moving plate fixedly connected with the expansion link; wherein, the moving plate is fixedly connected with a plurality of vacuum chucks.
Preferably, an external thread rod is rotationally connected to the second sliding groove, penetrates through the corresponding second sliding block, and is in threaded connection with the corresponding second sliding block; and one end of the parallel rod is fixedly connected with a forward and reverse rotating motor, and an output shaft of the forward and reverse rotating motor is fixedly connected with one end of the corresponding external threaded rod.
Preferably, the industrial camera system further comprises an industrial personal computer, and the industrial cameras, the distance sensor and the mobile device are in signal connection with the industrial personal computer respectively.
The invention has the beneficial effects that: the visual detection device can detect surface defects such as cracks, abnormal color points, scratches and the like on the floor tiles, and improve the detection efficiency; the levelness detection of the floor tiles can be realized through the arranged levelness detection device; through the mobile device who sets up, can remove the floor tile that detects ineligibly.
Drawings
Fig. 1 is a schematic structural diagram of a floor tile detection device based on machine vision according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a visual inspection device of a floor tile inspection device based on machine vision according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a levelness detection device of a floor tile detection device based on machine vision according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first moving device or a second moving device of a machine vision-based floor tile detection device according to an embodiment of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Firstly, in order to facilitate understanding of the floor tile detection device based on machine vision provided in the embodiment of the present application, an application scenario thereof is described first, and the floor tile detection device based on machine vision provided in the embodiment of the present application is used for providing a device capable of detecting large floor tiles; the existing manual detection floor tiles are high in cost, and the manual detection efficiency cannot meet the detection requirement. The following describes a floor tile detection device based on machine vision according to an embodiment of the present application with reference to the accompanying drawings.
Referring first to fig. 1, fig. 1 is a schematic structural diagram of a floor tile detection device based on machine vision according to an embodiment of the present invention. As can be seen from fig. 1, the present invention provides a machine vision-based floor tile detection apparatus, which includes a vision detection apparatus 1, a levelness detection apparatus 5, a moving apparatus, and a transfer apparatus 27; the conveying device 27 may be a conveyor belt commonly used in the prior art, and the moving device includes a first moving device 12 and a second moving device 13; specifically, the vision detecting device 1, the levelness detecting device 5, the first moving device 12, and the second moving device 13 are all located above the conveying device 27, and along the rotation direction of the conveying device 27, the vision detecting device 1, the first moving device 12, the levelness detecting device 5, and the second moving device 13 are sequentially arranged; in addition, the present invention further includes an industrial personal computer (not shown in the figure), and the visual inspection device 1, the first moving device 12, the levelness inspection device 5, and the second moving device 13 are respectively in signal connection with the industrial personal computer. When the floor tile detection device is used specifically, a floor tile to be detected can be placed on the conveying device 27, so that the floor tile moves along with the rotation of the conveying device 27, when the floor tile passes through the visual detection device 1, the visual detection device 1 shoots the floor tile and sends the picture to the industrial control host, the industrial control host processes the received picture, so that whether the current floor tile has surface defects such as cracks, abnormal color points, scratches and the like is judged, and when the industrial control host judges that the current floor tile has the surface defects such as cracks, abnormal color points, scratches and the like, the industrial control host controls the first moving device 12 to move the current floor tile with the defects to the outside of the conveying device 27; the floor tiles without defects continue to move, so that the levelness detection device 5 detects whether the floor tiles passing through have protrusions or not through the levelness detection device 5, and when the floor tiles pass through the levelness detection device, the industrial control host controls the second moving device 13 to move the floor tiles with the protrusions out of the conveying device 27.
Fig. 2 is a schematic structural view of a visual inspection device 1, which is a floor tile inspection device based on machine vision according to an embodiment of the present invention. According to fig. 2, the visual inspection device 1 includes a support rod 2 fixedly connected to both sides of the conveying device 27, a mounting rod 3 is fixedly connected to the top end of the support rod 2, a plurality of industrial cameras 4 are fixedly connected to the mounting rod 3, specifically, the industrial cameras 4 can be set to 3, the 3 industrial cameras 4 are sequentially and equidistantly fixedly mounted on the mounting rod 3, and each industrial camera 4 is in signal connection with the industrial control host. When the floor tile detection device is used, floor tiles can pass through the industrial camera 4, 3 industrial cameras 4 can divide the floor tiles into three areas 1, 2 and 3, the industrial camera 4 on the left side can continuously shoot the area 1, the industrial camera 4 in the middle can continuously shoot the area 2, the industrial camera 4 on the right side can continuously shoot the area 3, the industrial camera 4 can transmit shot pictures to the industrial control host, and the industrial control host can recognize the pictures, so that the detection of the large-size floor tiles is completed. With continued reference to fig. 2, a lighting lamp 14 is fixedly connected to the support rod 2, and a light control switch 15 for controlling the lighting lamp 14 is also fixedly connected to the support rod 2. When external light was too dark, photoswitch 15 was closed to light 14 circular telegram is luminous, and light 14 provided light to industrial camera 4 this moment, thereby when preventing that external light was too dark, industrial camera 4 was not clear to shoot.
Fig. 4 is a schematic structural diagram of the first moving device 12 or the second moving device 13 of a floor tile detection device based on machine vision according to an embodiment of the present invention. As shown in fig. 4, the first moving device or the second moving device includes a parallel rod 19 parallel to the conveying device 27, the parallel rod 19 may be connected to two sides of the conveying device 27 through a fixed rod, the parallel rod 19 is provided with a second sliding slot 20, the second sliding slot 20 is slidably connected to a second sliding block 21, the second sliding slot 20 is further rotatably connected to an external threaded rod 25, the external threaded rod 25 penetrates through the corresponding second sliding block 21, the external threaded rod 25 is in threaded connection with the corresponding second sliding block 21, the second sliding block 21 is fixedly connected to a telescopic rod 22, and the telescopic rod 22 may be an electric telescopic rod or a hydraulic telescopic rod commonly used in the prior art; with continued reference to fig. 4, a moving plate 23 is fixedly connected to the bottom end of the telescopic rod 22, a plurality of vacuum cups 24 are fixedly connected to the lower surface of the moving plate 23, and a vacuum pump (not shown) is fixedly connected to the upper surface of the moving plate 23, and is communicated with each vacuum cup 24 through a gas pipe. When the defective floor tile is moved, the industrial control host controls the telescopic rod 22 in the first moving device 12 to extend until the vacuum suction cup 24 in the first moving device 12 is tightly attached to the floor tile, then the vacuum pump in the first moving device 12 is started, under the action of the vacuum pump, the vacuum chuck 24 in the first moving device 12 is sucked with the floor tile, then the telescopic rod 22 in the first moving device 12 is controlled to contract, so as to drive the defective floor tile to move upwards, and then the male screw rod 25 in the first moving means 12 is rotated, thereby moving the second slider 21 in the first moving means 12, thereby driving the corresponding telescopic rod 22 to move, and thus driving the corresponding vacuum chuck 24 and floor tile to move, and thus moving the floor tile out of the conveying device 27, the vacuum pump is then deactivated and the vacuum cups 24 are inflated, thereby disengaging the vacuum cups 24 from the tiles. For convenience of turning the male screw rod 25, with continued reference to fig. 4, a forward/reverse motor 26 may be fixedly connected to one end of the parallel rod 19, and an output shaft of the forward/reverse motor 26 is fixedly connected to a corresponding one end of the male screw rod 25, so that the male screw rod 25 is rotated by the forward/reverse motor 26.
Fig. 3 is a schematic structural view of a levelness detection device of a floor tile detection device based on machine vision according to an embodiment of the present invention, and fig. 3 is a reference drawing for a specific setting of the levelness detection device 5. According to fig. 3, the levelness detecting device includes a mounting plate 6 parallel to the conveying device 27, a groove 7 is formed in the mounting plate 6, first sliding grooves 16 are formed in two opposite inner walls of the groove 7, a first sliding block 17 is connected in each first sliding groove 16 in a sliding manner, each first sliding block 17 is connected with the inner wall of the corresponding first sliding groove 16 through a spring 18, the two first sliding blocks 17 are fixedly connected with a same connecting rod 8, a distance sensor 10 is fixedly connected in the groove 7, the distance sensor 10 is in signal connection with the industrial control host, a detection plate 9 is fixedly connected to one end, located outside the groove 7, of the connecting rod 8, and a plurality of rollers 11 are connected to the lower surface of the detection plate 9 in a rotating manner. In a normal state, the first slider 17 is located at the lowermost end of the first sliding groove 16, and the distance between the roller 11 and the conveyor 27 is the same as the thickness of the floor tile. When the floor tiles pass through the levelness detection device, the distance sensor 10 can monitor the distance between one end of the connecting rod 8, which is positioned in the groove 7, and the distance sensor 10 in real time, and sends the monitoring result to the industrial control host; when the floor tile has the arch, when the floor tile passes through gyro wheel 11, the arch can upwards push up gyro wheel 11 to make pick-up plate 9, connecting rod 8, and first slider 17 upwards remove, the distance between the one end that connecting rod 8 is located recess 7 and distance sensor 10 diminishes this moment, when the industrial control host computer discovery connecting rod 8 is located the one end of recess 7 and the distance sensor 10 between diminishes, industrial control host computer control second mobile device 13 will have bellied floor tile to move outside conveyer 27.
When the second moving device 13 moves the raised floor tile, the industrial control host controls the extension rod 22 in the second moving device 13 to extend until the vacuum suction cup 24 in the second moving device 13 is closely attached to the floor tile, then starts the vacuum pump in the second moving device 13, under the action of the vacuum pump, the vacuum suction cup 24 in the second moving device 13 is adsorbed to the floor tile, then controls the extension rod 22 in the second moving device 13 to contract, so as to drive the defective floor tile to move upwards, then rotates the external threaded rod 25 in the second moving device 13, so as to move the second slide block 21 in the second moving device 13, so as to drive the corresponding extension rod 22 to move, so as to drive the corresponding vacuum suction cup 24 and the floor tile to move, so as to move the floor tile out of the conveying device 27, then the vacuum pump stops working, the vacuum suction cup 24 inflates, thereby disengaging the vacuum cups 24 from the tiles.
All parts in the invention are common parts in the prior art, and all the electricity-using parts in the invention are connected with a control switch for controlling the electricity-using parts; in order to facilitate power supply to the power consuming part in the invention of the present application, the power consuming part in the invention of the present application may be electrically connected to an external power source.
In the above embodiments, the floor tile detection device based on machine vision provided by the embodiments of the present application can automatically detect surface defects such as cracks, abnormal color points, and scratches on a floor tile, and can detect the levelness of the floor tile.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (6)
1. A floor tile detection device based on machine vision, comprising: the device comprises a vision detection device, a levelness detection device, a moving device and a conveying device;
the visual detection device comprises a supporting rod fixedly connected with the conveying device, a mounting rod fixedly connected with the supporting rod, and a plurality of industrial cameras fixedly connected with the mounting rod;
the levelness detection device comprises a mounting plate parallel to the conveying device, a groove formed in the mounting plate, a connecting rod in sliding connection with the groove, and a detection plate fixedly connected with the connecting rod; wherein, a distance sensor is fixedly connected in the groove, and the detection plate is rotatably connected with a plurality of rollers;
the mobile devices comprise a first mobile device and a second mobile device; the first moving device is located between the vision detecting device and the levelness detecting device, and the second moving device is located behind the levelness detecting device along the conveying direction of the conveying device.
2. The machine vision-based floor tile detection device according to claim 1, wherein a lighting lamp is fixedly connected to the support rod, and a light control switch for controlling the lighting lamp is fixedly connected to the support rod.
3. The machine vision-based floor tile detection device according to claim 1, wherein first sliding grooves are respectively formed in two opposite inner walls of the groove, a first sliding block is slidably connected in each first sliding groove, the first sliding blocks are connected with the corresponding side walls of the first sliding grooves through springs, and one end of each connecting rod is fixedly connected with the corresponding first sliding block.
4. The machine vision-based floor tile detection device according to claim 1, wherein the first moving device or the second moving device comprises a parallel rod parallel to the conveying device, a second chute formed on the parallel rod, a second slider slidably connected to the second chute, a telescopic rod fixedly connected to the second slider, and a moving plate fixedly connected to the telescopic rod; wherein, the moving plate is fixedly connected with a plurality of vacuum chucks.
5. The machine vision-based floor tile detection device according to claim 4, wherein an externally threaded rod is rotatably connected in the second sliding groove, the externally threaded rod penetrates through the corresponding second sliding block, and the externally threaded rod is in threaded connection with the corresponding second sliding block; and one end of the parallel rod is fixedly connected with a forward and reverse rotating motor, and an output shaft of the forward and reverse rotating motor is fixedly connected with one end of the corresponding external threaded rod.
6. The machine vision-based tile detection apparatus of claim 1, further comprising an industrial control host, wherein a plurality of said industrial cameras, said distance sensor, and said moving device are in signal connection with said industrial control host, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635920.6A CN111638221A (en) | 2020-07-03 | 2020-07-03 | Floor tile detection device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635920.6A CN111638221A (en) | 2020-07-03 | 2020-07-03 | Floor tile detection device based on machine vision |
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| Publication Number | Publication Date |
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| CN111638221A true CN111638221A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010635920.6A Pending CN111638221A (en) | 2020-07-03 | 2020-07-03 | Floor tile detection device based on machine vision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268507A (en) * | 2020-10-14 | 2021-01-26 | 江苏鑫汉电子材料有限公司 | Be applied to carborundum wafer's infrared detection device |
-
2020
- 2020-07-03 CN CN202010635920.6A patent/CN111638221A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268507A (en) * | 2020-10-14 | 2021-01-26 | 江苏鑫汉电子材料有限公司 | Be applied to carborundum wafer's infrared detection device |
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