CN213302028U - Paper surface defect detection device - Google Patents
Paper surface defect detection device Download PDFInfo
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- CN213302028U CN213302028U CN202021539207.3U CN202021539207U CN213302028U CN 213302028 U CN213302028 U CN 213302028U CN 202021539207 U CN202021539207 U CN 202021539207U CN 213302028 U CN213302028 U CN 213302028U
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Abstract
The utility model relates to a paper surface defect detection device, a transmission mechanism is arranged on a workbench and is used for transmitting paper to be detected; the supporting mechanism is used for fixing the digital camera, the digital camera is positioned above the transmission mechanism, and the digital camera is used for shooting images on the surface of the paper; the light source is arranged on the workbench and is positioned below the paper to be detected; the digital camera is electrically connected with the image acquisition card, the image acquisition card is electrically connected with the control system, and the control system is used for controlling the operation of the paper surface defect detection device; the control system comprises an image processing unit, a fault segmentation unit and a fault segmentation unit, wherein the image processing unit is used for carrying out fault segmentation processing on image data; the alarm mechanism is electrically connected with the control system and used for executing alarm according to the judgment signal of the control system. Relatively traditional detection method (artifical visual spot check), the utility model discloses a paper surface defect detection device testing result accuracy is high, and the error is little, and is efficient, labour saving and time saving improves product quality.
Description
Technical Field
The utility model relates to a papermaking equipment technical field, in particular to paper surface defect detection device.
Background
Modern industrial production is increasingly demanding on the quality of paper surface, in prior art, through the quality of artifical visual spot check paper surface, go the defect of discernment paper through people's observation, and judge the quality information of whole roll of paper according to the discernment result of paper, in the actual testing process, because the randomness of artifical detection, factors such as personnel's own skill level cause the testing result accuracy very low, and traditional testing method (artifical visual spot check) has been far away can not satisfy the requirement of high speed, high resolution and nondestructive test in present industrial production.
SUMMERY OF THE UTILITY MODEL
Therefore, a paper surface defect detection device is needed to be provided for solving the technical problems that in the prior art, the quality of the surface of paper is artificially and visually checked, the defect of the paper is identified through human observation, and the quality information of the whole roll of paper is judged according to the identification result of the paper, in the actual detection process, due to the randomness of artificial detection, the skill level of personnel and other factors, the accuracy of the detection result is very low, and the traditional detection method (artificial visual check) is far from meeting the requirements of high-speed, high-resolution and nondestructive detection in the current industrial production and the like.
In order to achieve the above object, the inventor provides a paper surface defect detection device, which comprises a workbench, a transmission mechanism, a support mechanism, a digital camera, a light source, an image acquisition card, a control system and an alarm mechanism;
the transmission mechanism is arranged on the workbench and used for transmitting the paper to be detected;
the supporting mechanism is arranged on the workbench and used for fixing the digital camera, the digital camera is positioned above the transmission mechanism and used for shooting an image on the surface of the paper;
the light source is arranged on the workbench and is positioned below the paper to be detected;
the digital camera is electrically connected with the image acquisition card, the image acquisition card is electrically connected with the control system, and the control system is used for controlling the operation of the paper surface defect detection device;
the control system comprises an image processing unit, a fault segmentation unit and a fault segmentation unit, wherein the image processing unit is used for carrying out fault segmentation processing on image data;
the alarm mechanism is electrically connected with the control system and used for executing alarm according to the judgment signal of the control system.
As a preferred structure of the present invention, the light source is located under the digital camera.
As a preferred structure of the utility model, the supporting mechanism includes first bracing piece, second bracing piece and mount, the both ends of mount respectively with first bracing piece the second bracing piece is connected.
As a preferred structure of the present invention, the digital camera is installed on the fixing frame.
As an optimized structure of the utility model, the transmission mechanism is a roller transmission mechanism.
As the utility model discloses an optimal structure, paper surface defect detection device still includes the display screen, the display screen is used for showing the concrete information of paper defect.
As an optimized structure of the present invention, the light source is a linear LED spotlight source.
As an optimized structure of the present invention, the digital camera is an industrial CCD camera.
Different from the prior art, the beneficial effects of the technical scheme are as follows: the paper to be detected is conveyed and driven through the transmission mechanism, then a light source is placed below the paper to be detected, the light source is used for lighting an image acquisition area of the digital camera so as to achieve illumination, the paper to be detected shoots an image on the surface of the paper through the digital camera in the conveying and driving process, then the image data is transmitted to the image acquisition card, the image acquisition card receives and converts the image data shot by the digital camera and stores the image data into the control system, an image processing unit of the control system carries out flaw segmentation processing on the image data, and due to the fact that the gray scale of the flaw image is obviously different from the gray scale of a normal product, the control system can find flaws and simultaneously effectively judge and classify the flaws. And then the control system judges whether the detected paper has flaws, if so, the control system sends a signal to the alarm mechanism, and the alarm mechanism sends an alarm signal after receiving the signal. In the whole detection process, compared with the traditional detection method (manual visual spot inspection), the detection method has the advantages of high accuracy of detection results, small error, high efficiency, time and labor saving and improvement on product quality.
Drawings
FIG. 1 is a schematic structural diagram of a paper surface defect detecting apparatus according to an embodiment;
FIG. 2 is a circuit diagram of a paper surface defect detecting device according to an embodiment.
Description of reference numerals:
1. the paper is a sheet of paper,
2. a working table is arranged on the upper portion of the machine body,
3. a transmission mechanism is arranged on the base plate,
4. the support mechanism is used for supporting the movable support frame,
5. the first support rod is arranged on the first support rod,
6. a second supporting rod is arranged on the first supporting rod,
7. a fixed frame is arranged on the upper portion of the frame,
8. a digital camera for a digital video camera,
9. a light source for emitting light from a light source,
10. an image acquisition card is arranged on the frame,
11. the control system is used for controlling the system,
12. an alarm mechanism is arranged on the base plate,
13. a display screen.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1 and 2, the present embodiment relates to a paper surface defect detecting apparatus, which includes a worktable 2, a transmission mechanism 3, a supporting mechanism 4, a digital camera 8, a light source 9, an image collecting card 10, a control system 11 and an alarm mechanism 12; the transmission mechanism 3 is arranged on the workbench 2, and the transmission mechanism 3 is used for transmitting the paper 1 to be detected; preferably, in this embodiment, as shown in fig. 1, the transmission mechanism 3 is a roller transmission mechanism 3, a plurality of rollers are driven by a motor to operate, and the paper sheet 1 to be detected is placed on the roller transmission mechanism 3 for transmission.
Further, in some embodiments, as shown in fig. 1, the supporting mechanism 4 is disposed on the working platform 2, and the supporting mechanism 4 is configured to fix the digital camera 8, specifically, in this embodiment, as shown in fig. 1, the supporting mechanism 4 includes a first supporting rod 5, a second supporting rod 6 and a fixing frame 7, two ends of the fixing frame 7 are respectively connected to the first supporting rod 5 and the second supporting rod 6, the digital camera 8 is mounted on the fixing frame 7, and the fixing frame 7 fixes the digital camera 8. Further, the digital camera 8 is located above the transmission mechanism 3, so that the paper 1 to be detected on the transmission mechanism 3 can be shot, and the digital camera 8 is used for shooting an image of the surface of the paper 1. Preferably, in this embodiment, the digital camera 8 is an industrial CCD camera with high resolution.
Further, in some embodiments, as shown in fig. 1, the light source 9 is disposed on the workbench 2, and the light source 9 is located below the paper 1 to be detected, and the light source 9 is used for shining light into the image capturing area of the digital camera 8 so as to realize illumination; preferably, in the present embodiment, the light source 9 is located directly below the digital camera 8. Preferably, the light source 9 is an LED linear light-gathering light source 9, and the LED linear light-gathering light source 9 is selected to have the advantages of uniform color, long service life and the like of the LED light source 9.
Further, in some embodiments, as shown in fig. 2, the digital camera 8 is electrically connected to the image acquisition card 10, the image acquisition card 10 is configured to receive and convert image data captured by the digital camera 8, and then store the image data into the control system 11, the image acquisition card 10 is electrically connected to the control system 11, and the control system 11 is configured to control the operation of the paper surface defect detection device; preferably, in this embodiment, the control system 11 includes an image processing unit, and the image processing unit is configured to perform defect segmentation processing on the image data, so that the control system 11 can find the defect and effectively determine and classify the defect at the same time because the gray scale of the defect image is significantly different from the gray scale of the normal product. The alarm mechanism 12 is electrically connected with the control system 11, the alarm mechanism 12 is used for executing alarm according to the judgment signal of the control system 11, the control system 11 judges whether the detected paper 1 has a flaw, if the detected paper 1 has the flaw, the alarm mechanism 12 sends a signal to the alarm mechanism 12, and the alarm mechanism 12 sends an alarm signal after receiving the signal. Further, in this embodiment, the paper surface defect detecting apparatus further includes a display 13, the display 13 is configured to display specific information about the defect of the paper 1, and the alarm mechanism 12 sends an alarm signal after receiving the signal, so as to display the specific information about the defect of the paper 1 on the display 13.
Specifically, the paper 1 to be detected is conveyed and driven through the transmission mechanism 3, then the LED linear condensation light source 9 is placed below the paper 1 to be detected, the LED linear condensation light source 9 is used for lighting an image acquisition area of the digital camera 8 so as to achieve illumination, the paper 1 to be detected shoots an image on the surface of the paper 1 through the industrial CCD camera in the conveying and driving process, then the image data is transmitted to the image acquisition card 10, the image acquisition card 10 receives and converts the image data shot by the industrial CCD camera and then stores the image data into the control system 11, the image processing unit of the control system 11 carries out flaw segmentation processing on the image data, and due to the fact that the gray scale of the flaw image is obviously different from that of a normal product, the control system 11 can find flaws and simultaneously effectively judge and classify the flaws. Then the control system 11 judges whether the detected paper 1 has a flaw, if so, the control system sends a signal to the alarm mechanism 12, the alarm mechanism 12 sends an alarm signal after receiving the signal, and finally, the specific information of the flaw of the paper 1 is displayed on the display screen 13. In the whole detection process, compared with the traditional detection method (manual visual spot inspection), the detection method has the advantages of high accuracy of detection results, small error, high efficiency, time and labor saving and improvement on product quality.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (8)
1. A paper surface defect detection device characterized in that: comprises a workbench, a transmission mechanism, a supporting mechanism, a digital camera, a light source, an image acquisition card, a control system and an alarm mechanism;
the transmission mechanism is arranged on the workbench and used for transmitting the paper to be detected;
the supporting mechanism is arranged on the workbench and used for fixing the digital camera, the digital camera is positioned above the transmission mechanism and used for shooting an image on the surface of the paper;
the light source is arranged on the workbench and is positioned below the paper to be detected;
the digital camera is electrically connected with the image acquisition card, the image acquisition card is electrically connected with the control system, and the control system is used for controlling the operation of the paper surface defect detection device;
the control system comprises an image processing unit, a fault segmentation unit and a fault segmentation unit, wherein the image processing unit is used for carrying out fault segmentation processing on image data;
the alarm mechanism is electrically connected with the control system and used for executing alarm according to the judgment signal of the control system.
2. The sheet surface defect detecting apparatus according to claim 1, characterized in that: the light source is located directly below the digital camera.
3. The sheet surface defect detecting apparatus according to claim 1, characterized in that: the supporting mechanism comprises a first supporting rod, a second supporting rod and a fixing frame, and two ends of the fixing frame are connected with the first supporting rod and the second supporting rod respectively.
4. The sheet surface defect detecting apparatus according to claim 3, characterized in that: the digital camera is mounted on the fixing frame.
5. The sheet surface defect detecting apparatus according to claim 1, characterized in that: the transmission mechanism is a roller transmission mechanism.
6. The sheet surface defect detecting apparatus according to claim 1, characterized in that: the paper surface defect detection device also comprises a display screen, and the display screen is used for displaying specific information of the paper defects.
7. The sheet surface defect detecting apparatus according to claim 1, characterized in that: the light source is an LED linear condensing light source.
8. The sheet surface defect detecting apparatus according to claim 1, characterized in that: the digital camera is an industrial CCD camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021539207.3U CN213302028U (en) | 2020-07-29 | 2020-07-29 | Paper surface defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021539207.3U CN213302028U (en) | 2020-07-29 | 2020-07-29 | Paper surface defect detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213302028U true CN213302028U (en) | 2021-05-28 |
Family
ID=76022169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021539207.3U Active CN213302028U (en) | 2020-07-29 | 2020-07-29 | Paper surface defect detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213302028U (en) |
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2020
- 2020-07-29 CN CN202021539207.3U patent/CN213302028U/en active Active
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