Detection equipment for identifying defects on two sides of plate

By using a combination of a transmission mechanism and an industrial camera in the sheet metal inspection equipment, along with an air cleaning component, automated and standardized inspection of sheet metal surface defects has been achieved. This solves the problem of poor results from manual visual inspection and improves inspection accuracy and traceability.

CN224035265UActive Publication Date: 2026-03-24GUANGZHOU HAOPAI ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, the detection of surface defects in sheet materials mainly relies on manual visual inspection, which leads to poor detection results, inconsistent standards, lack of traceability, and a high risk of missed detections.

Method used

The testing equipment adopts a transmission mechanism with a through-hole detection port, and is equipped with a detection optical frame and industrial camera on both the upper and lower sides for real-time photo comparison. Combined with an air cleaning component to remove dust, it ensures the accuracy of the test.

Benefits of technology

It has enabled automated and standardized detection of surface defects in sheet materials, reducing the rate of missed detections and improving detection accuracy and traceability.

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Abstract

The utility model discloses detection equipment for identifying defects on two sides of a plate, which belongs to the technical field of plate detection and comprises a transmission mechanism, a detection mechanism and a detection mechanism. The detection light racks are mounted on the upper side and the lower side of the transmission part; the detection light rack comprises a square frame and a plurality of industrial cameras, the industrial cameras are installed in the square frame, the square frame is provided with a lighting section and an air cleaning part, the lighting section and the industrial cameras are correspondingly arranged, the industrial cameras directly face the detection port, and the air cleaning part is arranged in the square frame. The air cleaning piece is located on the outer edge of the daylighting section. The defect of poor detection effect caused by a visual detection mode in the prior art is avoided; the outer edge of the daylighting section is provided with the air cleaning part used for blowing away dust and other substances on the surface of the daylighting section, the daylighting section is kept clean, and the situation that the daylighting section is detected mistakenly due to detection errors caused by the dust and other substances is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plate detection, in particular to a detection equipment for plate double -sided defect identification. BACKGROUND

[0002] When furniture is manufactured, a large number of plates need to be used, wherein plate appearance inspection is a very important link, is the first step of quality control, can ensure that the plate has no crack, scratch, depression and other defects, because these defects can affect the strength and appearance of the plate;For the plate that needs to bear weight or pressure, these appearance defects can cause the instability of the structure, cause safety hazards.

[0003] And most factories currently adopt manual mode for plate surface quality, plate type and geometric size detection. Surface defect inspection is detected by inspectors visually, is prone to fatigue for a long time, and has a large probability of missed detection;Different inspection standards are not the same;The inspection result can only be described by whether the quality is qualified or not, and there is no surface quality picture storage, once a problem occurs in the later special use process, the specific situation of plate inspection cannot be traced back. UTILITY MODEL CONTENT

[0004] In order to overcome the technical problem that the visual detection mode for detecting the surface of the plate in the prior art leads to poor subsequent detection effect and cannot guarantee the detection of plate surface defects, the utility model provides a detection equipment for plate double -sided defect identification, which comprises:

[0005] Transmission mechanism, including transmission part, the transmission part has a detection port through up and down;Detection light rack, the upper and lower sides of the transmission part are provided with the detection light rack;The detection light rack includes a square frame and a plurality of industrial cameras, the industrial cameras are installed in the square frame, the square frame is provided with a light collecting section and an air cleaning element, the light collecting section is provided correspondingly with the industrial camera, the industrial camera is opposite to the detection port, and the air cleaning element is located at the outer edge of the light collecting section.

[0006] Further, the detection light rack is in square structure.

[0007] Further, the transmission mechanism further includes a first support frame, the first support frame is located at the top end of the transmission part, and the first support frame is used for installing the detection light rack located on the upper side of the transmission mechanism.

[0008] Further, the first support frame is in a column type structure, the first support frame includes a plurality of columns and a plurality of cross beams, and the plurality of columns and the plurality of cross beams are fixedly connected with each other.

[0009] Further, the bottom end of the first support frame is four vertical columns, which are respectively fixedly installed around the detection port, and the board can pass through the space between the four vertical columns;

[0010] The top end of the first support frame is provided with the detection light rack, which is vertically arranged in the first support frame, and the light collecting section faces the detection port.

[0011] Further, the transmission mechanism further comprises a second support frame in a three-dimensional frame structure, which is located at the bottom end of the transmission part and used for installing the detection light rack on the lower side of the transmission mechanism.

[0012] Further, the transmission part comprises a first transmission plate and a second transmission plate, which are horizontally arranged, and the detection port is formed between the first transmission plate and the second transmission plate.

[0013] Further, the top end of the second support frame is fixedly connected with the first transmission plate and the second transmission plate, respectively.

[0014] Further, the bottom end of the second support frame is provided with a fixed plate, and the detection light rack is vertically fixedly installed on the fixed plate, and the light collecting section faces the detection port.

[0015] Further, the air cleaning piece is detachably installed on the outer edge of the light collecting section, and the blowing hole of the air cleaning piece faces the light collecting section.

[0016] Beneficial effects:

[0017] The beneficial effects of the technical scheme of the present application are as follows:

[0018] The transmission part is used for conveying and transporting the board, and the detection port is arranged in the transmission part, and the detection light rack is arranged at the upper end of the transmission part and also arranged at the lower end of the transmission part, three industrial cameras are arranged in the square frame of the detection light rack, the three industrial cameras are arranged at one end of the square frame, and the other end of the square frame is provided with a light collecting section, so that the light collecting section can be arranged correspondingly with the industrial cameras, and the industrial cameras can face the detection port; when the board is transported along the length direction of the transmission part, the board is transported to the detection port, the industrial cameras continuously take pictures without stopping, and the real-time comparison is made with the comparison image stored by the industrial cameras, the comparison image is an image without defects on the outer surface of the board, and the unified detection standard avoids the defects of poor detection effect caused by the visual detection method in the prior art; the air cleaning piece is arranged on the outer edge of the light collecting section and used for blowing away the dust and other substances on the surface of the light collecting section, so that the light collecting section is kept clean, and the detection error caused by the dust and other substances on the light collecting section is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 is a structural schematic view of a detection device for double-sided defect identification of a board according to the present application;

[0021] Figure 2 is a structural schematic view of another angle of a detection device for double-sided defect identification of a board according to the present application;

[0022] Figure 3 is a structural schematic view of a detection light rack of a detection device for double-sided defect identification of a board according to the present application.

[0023] Explanation of reference numerals in the drawings:

[0024] 1, transmission mechanism; 11, transmission part; 101, first transmission plate; 102, second transmission plate; 111, detection port; 12, first support frame; 121, vertical column; 122, cross beam; 13, second support frame; 131, fixed plate; 2, detection light rack; 21, square frame; 211, light collecting section; 212, air cleaning element; 2121, blowing hole; 22, industrial camera. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Please refer to Figures 1 to 3 A detection device for double-sided defect identification of a board, comprising:

[0027] The transmission mechanism 1 comprises a transmission part 11, the transmission part 11 has a detection port 111 penetrating from top to bottom; the detection light rack 2 is installed on the upper and lower sides of the transmission part 11; the detection light rack 2 comprises a square frame 21 and a plurality of industrial cameras 22, the industrial cameras 22 are installed in the square frame 21, the square frame 21 is provided with a light collecting section 211 and an air cleaning piece 212, the light collecting section 211 is arranged correspondingly with the industrial camera 22, the industrial camera 22 faces the detection port 111 directly, and the air cleaning piece 212 is located at the outer edge of the light collecting section 211.

[0028] In the technical solution, the transmission part 11 is used for conveying and transporting the plate, the detection port 111 is arranged in the transmission part 11, the detection light rack 2 is installed on the upper end of the transmission part 11, and the detection light rack 2 is also installed on the lower end of the transmission part 11, three industrial cameras 22 are installed in the square frame 21 of the detection light rack 2, the three industrial cameras 22 are installed at one end of the square frame 21, and the light collecting section 211 is arranged at the other end of the square frame 21, so that the light collecting section 211 can be arranged correspondingly with the industrial camera 22, and the industrial camera 22 can face the detection port 111 directly; when the plate is transported along the length direction of the transmission part 11, the plate is transported to the detection port 111, the industrial camera 22 continuously photographs and detects without stopping, and the real-time comparison is made with the contrast image stored by the industrial camera 22, the contrast image is an image without defects on the outer surface of the plate, and the unified detection standard avoids the defects that the detection effect is poor caused by the detection mode of visual inspection in the prior art; the air cleaning piece 212 is installed at the outer edge of the light collecting section 211, and is used for blowing away the dust and other substances on the surface of the light collecting section 211, so that the cleanliness of the light collecting section 211 is maintained, and the false detection caused by the detection error of the light collecting section 211 due to the dust and other substances is avoided. Figure 3 As shown in the figure, the air cleaning piece 212 can be detachably installed at the outer edge of the light collecting section 211, the blowhole 2121 of the air cleaning piece 212 faces the light collecting section 211, and after the air cleaning piece 212 is connected with air, the air is blown out through the blowhole 2121, and the air can blow away the dust and other substances on the light collecting section 211.

[0029] Preferably, as shown in the figure, the detection light rack 2 has a square structure, and is convenient to install and dismount; it should be noted that the working principle of the industrial camera 22 in the technical solution is a conventional technical means, and the working principle is disclosed in the patent application publication No. CN108416959A, which will not be described here. Figure 3

[0030] The specific embodiment of the detection light rack 2 located on the upper side of the transmission mechanism 1 is shown in the figure. Figure 1 ​As shown, the transmission mechanism 1 further comprises a first support frame 12, which is located at the top end of the transmission part 11, and is used to install the detection light frame 2 on the upper side of the transmission mechanism 1. The first support frame 12 in the specific embodiment is a vertical column type structure, which comprises a plurality of vertical columns 121 and a plurality of cross beams 122, and the plurality of vertical columns 121 and the plurality of cross beams 122 are fixedly connected with each other, and the structure of the first support frame 12 is stable. Figure 2 As shown, the first support frame 12 is a vertical column type structure, which comprises a plurality of vertical columns 121 and a plurality of cross beams 122, and the plurality of vertical columns 121 and the plurality of cross beams 122 are fixedly connected with each other, and the structure of the first support frame 12 is stable; wherein the specific assembly relationship between the first support frame 12 and the transmission mechanism 1 is shown in Figure 1 and Figure 3 As shown, the bottom end of the first support frame 12 is four vertical columns 121, which are respectively fixedly installed around the detection port 111, and the board can pass through the space between the four vertical columns 121; and the top end of the first support frame 12 is installed with the detection light frame 2, which is naturally vertically arranged in the first support frame 12, and the light collecting section 211 directly faces the detection port 111, and the light collecting section 211 of the detection light frame 2 directly faces the detection port 11, and the industrial camera 22 directly faces the detection port 111, and when the board passes through the bottom end of the first support frame 12, the industrial camera 22 can detect and identify the upper surface of the board.

[0031] The specific embodiment of the detection light frame 2 located on the lower side of the transmission mechanism 1 is shown in Figure 1 As shown, the transmission mechanism 1 further comprises a second support frame 13 in a three-dimensional frame structure, which is located at the bottom end of the transmission part 11, and is used to install the detection light frame 2 on the lower side of the transmission mechanism 1.

[0032] The preferred embodiment of the transmission part 11 is shown in Figure 2 As shown, the transmission part 11 comprises a first transmission plate 101 and a second transmission plate 102, which are horizontally arranged, and the detection port 111 is formed between the first transmission plate 101 and the second transmission plate 102, which is stable in structure and convenient to install, wherein the gap between the first transmission plate 101 and the second transmission plate 102 is similar, which can just accommodate the detection light frame 2; both the first transmission plate 101 and the second transmission plate 102 mainly rely on the continuous operation of the conveyor belt, so that the board located on the conveyor belt can be conveyed from the first transmission plate 101 through the detection port 111 to the second transmission plate 102, and the structure is stable; further, the second support frame 13 is located on the lower side of the transmission part 11, and the specific assembly relationship is shown in Figure 2 As shown, the top end of the second support frame 13 is fixedly connected with the first transmission plate 101 and the second transmission plate 102 respectively; and the specific assembly relationship between the second support frame 13 and the transmission mechanism 1 is shown in Figure 1 and Figure 3As shown, the bottom end of the second support frame 13 is provided with a fixed plate 131, the detection light rack 2 is vertically fixedly installed on the fixed plate 131, and the light collecting section 211 is opposite to the detection port 111, so that the installation of the detection light rack 2 on the lower side of the transmission mechanism 1 is stable.

[0033] The preferred embodiments of the present application have been described above by way of example only, not for limitation, and various changes and modifications can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A detection device for identifying defects on both sides of a sheet metal plate, characterized in that, include: The transmission mechanism (1) includes a transmission section (11) having a detection port (111) that runs vertically through the transmission section (11); a detection optical frame (2) having the detection optical frame (2) installed on both the upper and lower sides of the transmission section (11); the detection optical frame (2) includes a square frame (21) and multiple industrial cameras (22), the industrial cameras (22) being installed in the square frame (21), the square frame (21) having a light-collecting section (211) and an air-cleaning component (212), the light-collecting section (211) being correspondingly arranged with the industrial cameras (22), the industrial cameras (22) being directly facing the detection port (111), and the air-cleaning component (212) being located at the outer edge of the light-collecting section (211).

2. The detection device for double-sided defect identification of sheet metal according to claim 1, characterized in that, The detection optical frame (2) has a square structure.

3. The detection device for double-sided defect identification of sheet metal according to claim 2, characterized in that, The transmission mechanism (1) further includes a first support frame (12), which is located at the top of the transmission unit (11) and is used to mount the detection optical frame (2) located on the upper side of the transmission mechanism (1).

4. The detection device for double-sided defect identification of sheet metal according to claim 3, characterized in that, The first support frame (12) has a column-shaped structure. The first support frame (12) includes several columns (121) and several crossbeams (122), and the several columns (121) and several crossbeams (122) are fixedly connected to each other.

5. The detection device for double-sided defect identification of sheet metal according to claim 4, characterized in that, The bottom of the first support frame (12) consists of four columns (121), which are fixedly installed around the detection port (111) respectively. The plate can pass through the space between the four columns (121). The detection optical frame (2) is installed at the top of the first support frame (12). The detection optical frame (2) is naturally and vertically arranged in the first support frame (12), and the light-collecting section (211) is directly opposite the detection port (111).

6. The detection device for double-sided defect identification of sheet metal according to claim 1, characterized in that, The transmission mechanism (1) further includes a second support frame (13) in the form of a three-dimensional frame. The second support frame (13) is located at the bottom end of the transmission section (11) and is used to mount the detection optical frame (2) located on the lower side of the transmission mechanism (1).

7. The detection device for double-sided defect identification of sheet metal according to claim 6, characterized in that, The transmission unit (11) includes a first transmission plate (101) and a second transmission plate (102), the first transmission plate (101) and the second transmission plate (102) are arranged horizontally, and the detection port (111) is formed between the first transmission plate (101) and the second transmission plate (102).

8. The detection device for double-sided defect identification of sheet metal according to claim 7, characterized in that, The top end of the second support frame (13) is connected and fixed to the first transmission plate (101) and the second transmission plate (102) respectively.

9. The detection device for double-sided defect identification of sheet metal according to claim 8, characterized in that, The bottom end of the second support frame (13) is provided with a fixing plate (131), the detection optical frame (2) is vertically fixed on the fixing plate (131), and the light-collecting section (211) is directly opposite the detection port (111).

10. The detection device for double-sided defect identification of sheet metal according to claim 1, characterized in that, The air purifier (212) is detachably installed on the outer edge of the light-collecting section (211), and the blowhole (2121) of the air purifier (212) faces the light-collecting section (211).

Citation Information

Patent Citations

  • Alarm device

    CN108416959A