CN222420030U - A cylindrical surface non-differentiated defect detection device - Google Patents
A cylindrical surface non-differentiated defect detection device Download PDFInfo
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- CN222420030U CN222420030U CN202323659187.XU CN202323659187U CN222420030U CN 222420030 U CN222420030 U CN 222420030U CN 202323659187 U CN202323659187 U CN 202323659187U CN 222420030 U CN222420030 U CN 222420030U
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 230000007547 defect Effects 0.000 title claims abstract description 20
- 239000011324 bead Substances 0.000 claims abstract description 17
- 210000003141 lower extremity Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 and the like Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011049 pearl Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
一种圆柱体表面无差别缺陷检测装置，包括检测装置本体，安装在所述检测装置本体上的线扫相机，所述线扫相机的光源侧设置有半圆弧形的光源罩，所述光源罩开口正对被检测物，所述光源罩的中心位置开设有隧道口，所述隧道口与被检测物保持平行，所述光源罩内侧上边缘和下边缘设置有安装架，所述安装架上连接有上下垂直对射的灯珠，所述光源罩的内表面设有漫反射图层；从而实现了在采集图像时光源更加均匀，减少被检测物表面反光，采集到的图像效果更好。
A cylindrical surface indifferent defect detection device comprises a detection device body, a line scan camera mounted on the detection device body, a semicircular arc-shaped light source cover is arranged on the light source side of the line scan camera, the light source cover opening faces the object to be detected, a tunnel opening is opened at the center of the light source cover, the tunnel opening is parallel to the object to be detected, mounting frames are arranged on the upper and lower edges of the inner side of the light source cover, lamp beads are connected to the mounting frames for vertically irradiating up and down, and a diffuse reflection layer is arranged on the inner surface of the light source cover; thereby, the light source is more uniform when collecting images, the reflection on the surface of the object to be detected is reduced, and the collected image effect is better.
Description
Technical Field
The application relates to the technical field of detection, in particular to a cylinder surface indiscriminate defect detection device.
Background
The method is characterized in that a line scanning camera is a special camera, a narrow sensor is used for capturing the whole scene, the line scanning light source is a specially designed light source, the line scanning camera can acquire images and is also commonly used for detecting surface defects, but when the image acquisition is actually carried out in such a way, the inventor finds that a plurality of noise points are generated on the collected images due to reflection of the surface of an object to be detected, the light source is not uniform enough, and the acquired image effect is poor.
Accordingly, the inventors have had a need to design a new cylinder surface indifferent defect detection device to overcome the above-mentioned problems.
Disclosure of Invention
The application mainly aims to provide a cylinder surface indiscriminate defect detection device, which is used for solving the problems of light reflection on the surface of a detected object, uneven light source and poor effect of collecting pictures in the related technology.
In order to achieve the above purpose, the application provides a cylinder surface indifferent defect detection device, which comprises a detection device body, a line scanning camera arranged on the detection device body, wherein a semicircular light source cover is arranged on the light source side of the line scanning camera, an opening of the light source cover is opposite to a detected object, a tunnel opening is arranged at the center of the light source cover, the tunnel opening is parallel to the detected object, mounting frames are arranged at the upper edge and the lower edge of the inner side of the light source cover, lamp beads vertically opposite to each other are connected to the mounting frames, and a diffuse reflection pattern layer is arranged on the inner surface of the light source cover.
Further, the lamp beads are arranged on the mounting frame along the edge line lattice of the upper edge and the lower edge of the inner side of the light source cover.
Further, the diffuse reflection pattern layer is a diffuse reflection film, and the diffuse reflection film is adhered to the inner surface of the light source cover.
Further, the lamp beads are LED lamps.
Further, the lamp beads are detachably connected with the mounting frame.
Further, a first mounting arm and a second mounting arm are arranged on the detection device body, the first mounting arm is detachably connected with the line scanning camera, and the second mounting arm is detachably connected with the light source cover.
Further, the light source cover is connected to one end of the second mounting arm through a fastener.
Further, the first mounting arm and the second mounting arm are provided with a height adjusting device, the detection device body is connected with a sliding rail, and the sliding rail is matched with the height adjusting device.
Compared with the prior art, the cylinder surface indiscriminate defect detection device provided by the utility model has the beneficial effects that:
1. The utility model has the advantages that the upper edge and the lower edge of the light source cover are provided with the mounting frames, the mounting frames are connected with the lamp beads, the inner surface of the light source cover is provided with the diffuse reflection pattern layers, the upper and the lower lamp beads are vertically opposite, the light irradiated to the surface of a product can be more uniform through the diffuse reflection pattern layers of the light source cover, and the quality of image acquisition is improved.
2. The light source of the line scanning camera on the detection device is provided with a light source cover, the light source cover is arc-shaped, the center of the light source cover is provided with a tunnel opening, the tunnel opening is parallel to the surface of the detected object, and the light in the state is transmitted to the detected object through the tunnel opening, so that the light reflection on the surface can be greatly reduced, and the collected picture effect is better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:
FIG. 1 is a front view of a cylinder surface indifferent defect inspection apparatus of the present utility model;
FIG. 2 is a rear view of the cylinder surface indifferent defect inspection apparatus of the present utility model.
1, A line scanning camera; 2, a light source cover, 3, a tunnel portal, 4, a mounting rack, 5, lamp beads, 6, a first mounting arm, 7, a height adjusting device, 8, a sliding track, 9, a diffuse reflection layer, 10, an object to be detected, 11 and a second mounting arm.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Embodiment one:
As shown in figures 1 and 2, the indifferent defect detection device for the surface of the cylinder comprises a detection device body, a line scanning camera 1 arranged on the detection device body, a semicircular light source cover 2 arranged on the light source side of the line scanning camera 1, an opening of the light source cover 2 is opposite to a detected object 10, a tunnel opening 3 arranged in the center of the light source cover 2, the tunnel opening 3 and the detected object 10 are kept parallel, mounting frames 4 are arranged on the upper edge and the lower edge of the inner side of the light source cover 2, lamp beads 5 vertically opposite to each other are connected to the mounting frames 4, diffuse reflection pattern layers 9 are arranged on the inner surface of the light source cover 2, tunnel light passing through the tunnel opening 3 and the detected object 10 are kept parallel, reflection of the surface of the detected object 10 can be reduced, quality of collected pictures is improved, the light uniformity of the vertically opposite pearls and the diffuse reflection pattern layers 9 can be enhanced, the incident light can be uniformly scattered in all directions, the surface of the detected object 10 is enabled to be more uniformly irradiated on the surface of the detected object, the diffuse reflection pattern layers 5 are combined with the surface of the detected object 10, the diffuse reflection pattern layers 2 is further improved, and the quality of the detected object is further improved. The installation seat is arranged below the detected object 10, the installation seat is rotationally arranged on the frame and driven by a motor, the motor is preferably a servo motor, the detected object 10 can rotate by 360 degrees, and the camera 1 is matched with a line scanning camera to dynamically scan, photograph and collect more and more complete images.
Further, as shown in fig. 2, the lamp beads 5 are arranged on the mounting frame 4 along the edge line lattice of the upper edge and the lower edge of the inner side of the light source cover 2, and the lattice arrangement can realize uniform distribution of lamplight, thereby avoiding uneven irradiation of light, reducing the reflection condition of the detected object 10 and improving the detection accuracy.
Further, as shown in fig. 2, the diffuse reflection layer 9 is a diffuse reflection film, and the diffuse reflection film is adhered to the inner surface of the light source cover 2, and the diffuse reflection layer 9 is a special material, preferably a diffuse reflection film, adhered to the inner surface of the light source cover 2, and the diffuse reflection film is usually formed by alternately stacking materials with high refractive index and materials with low refractive index, such as materials with high refractive index, such as zinc oxide, silicon dioxide, magnesium fluoride, and the like, and materials with low refractive index, such as silicon oxide, magnesium fluoride, and the like, and the selection and the design of layer thickness of the materials can enable light to generate multiple reflections and interference in the film, so that the diffuse reflection effect is realized, the effect of making the light more uniform is achieved, and the relative cost is relatively low.
Further, the lamp beads 5 are LED lamps. The lamp type can be a lamp with longer service life, long-term replacement is avoided, cost is saved, the LED lamp is small and exquisite, and installation space is saved.
Further, the lamp beads 5 are detachably connected with the mounting frame 4. The lamp beads 5 are also consumable products, and the conditions of loss and insufficient brightness exist in long-term use, so that the lamp beads 5 are convenient to replace in later periods due to the disassembly and connection designed here.
Further, as shown in fig. 1, the detection device body is provided with a first mounting arm 6 and a second mounting arm 11, the first mounting arm 6 is detachably connected with the line scanning camera 1, and the second mounting arm 11 is detachably connected with the light source cover 2. The light source cover 2 is connected to one end of the second mounting arm 11 by a fastener. The disassembly and connection are convenient for the replacement of the linear scanning camera 1 and the light source cover 2 at the later stage. For cameras of different specifications to be replaced when different products need to be tested, the fastener connection is preferably a nut connection.
Further, as shown in fig. 1, the first mounting arm 6 and the second mounting arm 11 are provided with a height adjusting device 7, the detecting device body is connected with a sliding rail 8, and the sliding rail 8 is matched with the height adjusting device 7. The detected object 10 is a cylindrical workpiece under most conditions, but the cylindrical workpiece has different sizes and different acquisition angles, so that a device capable of adjusting the heights of the camera and the light source cover 2 is designed, the device is convenient to adjust to a proper height according to the detected object conditions with different sizes, the device is more flexible, the height adjusting device 7 is preferably provided with an opening on the device and then uses a nut to limit the height, and the device can be matched with the sliding rail 8 to finish linear motion more accurately and efficiently.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a cylinder surface indifferent defect detection device, includes the detection device body, installs line scanning camera (1) on the detection device body, wherein, the light source side of line scanning camera (1) is provided with semicircle arc light source cover (2), light source cover (2) opening is just to being examined thing (10), tunnel portal (3) have been seted up to the central point of light source cover (2), tunnel portal (3) keep parallelism with being examined thing (10), light source cover (2) inboard upper edge and lower limb are provided with mounting bracket (4), be connected with lamp pearl (5) of upper and lower perpendicular correlation on mounting bracket (4), the internal surface of light source cover (2) is equipped with diffuse reflection layer (9).
2. A cylinder surface non-differential defect detecting device according to claim 1, wherein the lamp beads (5) are arranged on the mounting frame (4) along the edge line lattice of the upper edge and the lower edge inside the light source cover (2).
3. The cylinder surface indifferent defect detection device according to claim 1, wherein the diffuse reflection pattern layer (9) is a diffuse reflection film, and the diffuse reflection film is adhered to the inner surface of the light source cover (2).
4. The cylinder surface indifferent defect detection device according to claim 2, wherein the lamp beads (5) are LED lamps.
5. A cylinder surface non-differential defect detecting device according to claim 2, wherein the lamp beads (5) are detachably connected with the mounting frame (4).
6. The cylinder surface indifferent defect detection device of claim 1, wherein a first mounting arm (6) and a second mounting arm (11) are arranged on the detection device body, the first mounting arm (6) is detachably connected with the line scanning camera (1), and the second mounting arm (11) is detachably connected with the light source cover (2).
7. A cylinder surface non-differential defect detecting device according to claim 6, wherein said light source cover (2) is attached to one end of said second mounting arm (11) by a fastener.
8. A cylinder surface indifferent defect detecting device as defined in claim 6, wherein the first mounting arm (6) and the second mounting arm (11) are provided with a height adjusting device (7), the detecting device body is connected with a sliding rail (8), and the sliding rail (8) is matched with the height adjusting device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323659187.XU CN222420030U (en) | 2023-12-29 | 2023-12-29 | A cylindrical surface non-differentiated defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323659187.XU CN222420030U (en) | 2023-12-29 | 2023-12-29 | A cylindrical surface non-differentiated defect detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222420030U true CN222420030U (en) | 2025-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323659187.XU Active CN222420030U (en) | 2023-12-29 | 2023-12-29 | A cylindrical surface non-differentiated defect detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222420030U (en) |
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2023
- 2023-12-29 CN CN202323659187.XU patent/CN222420030U/en active Active
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