Ceramic tube shell appearance defect detection device and method

Abstract

The invention provides a ceramic tube shell appearance defect detection device and method.The ceramic tube shell appearance defect detection device comprises a conveying assembly, a camera module, a moving assembly and an adjusting assembly, the conveying assembly is used for conveying a ceramic tube shell material, the camera module is arranged on one side of the conveying assembly, and after the ceramic tube shell material reaches the corresponding position, the moving assembly is arranged on the camera module; the camera module performs image acquisition on the side surface of the ceramic tube shell material, transmits image information to the processor, and judges whether appearance defects exist or not through the processor. In the shooting period, the ceramic tube shell material is driven to rotate through the moving assembly, and the different side faces are made to face the camera module. When the size of the ceramic tube shell material is large, the position of the camera module can be adjusted through the adjusting assembly, and zoning shooting is achieved. The conveying assembly, the camera module, the moving assembly and the adjusting assembly act together, the working efficiency and the detection quality are greatly improved, and the requirements for the detection precision and the detection efficiency during mass production of enterprises can be met.

Description

Technical Field

[0001] The invention belongs to the technical field of ceramic tube shell production and manufacturing, and specifically relates to a device and method for detecting appearance defects of a ceramic tube shell. Background Art

[0002] Packaging is a form of protection for chips. It can be divided into metal packaging, plastic packaging, ceramic packaging, etc. according to the type of packaging materials. Among them, ceramic packaging is a commonly used form of electronic packaging, which has the advantages of good moisture resistance, excellent thermal properties, high mechanical strength, and stable chemical properties. In the field of semiconductor packaging, ceramic packaging has unique advantages over plastic and metal materials. The corresponding product of ceramic packaging is ceramic tube shell, which usually has a cylindrical, square and other shapes. With the continuous improvement of the performance requirements of electronic products, the application scope of ceramic tube shell will continue to expand.

[0003] After the ceramic shell is manufactured, its appearance needs to be inspected. Appearance inspection is a key link in the manufacturing process of ceramic shells. Its purpose is to ensure that the appearance quality of the product meets the requirements and will not affect the performance or reliability of the product. Appearance inspection items include surface cracks, breakage, bubbles, size, shape, scratches, color, etc. In the prior art, the appearance inspection of ceramic shells mainly relies on manual observation with the help of a microscope. Since the square shell has four sides, when manually inspecting the outer porcelain body of a single ceramic shell, it is necessary to hold the shell and rotate it manually to observe the four outer sides. The operation is inconvenient and the inspection efficiency is low. It is also easy to cause new scratches due to human factors during the inspection, which cannot meet the production requirements of high precision and high efficiency. Summary of the invention

[0004] The present invention provides a device and method for detecting appearance defects of a ceramic tube shell, aiming to solve the problem that the appearance inspection of the ceramic tube shell by manual labor in the prior art cannot meet the production requirements of high precision and high efficiency.

[0005] To achieve the above object, the technical solution adopted by the present invention is: In a first aspect, the present invention provides a ceramic tube shell appearance defect detection device, comprising: A conveying component, used for conveying ceramic shell materials along a preset direction; A camera module is arranged on one side of the conveying assembly; a moving component, disposed above the conveying component, for rotating the ceramic tube shell material so that different sides of the ceramic tube shell material face the camera module; and The adjusting component is used to drive the camera module to move in the horizontal direction.

[0006] In a possible implementation, the conveying component includes: A rotating seat is rotatably arranged around a vertical axis, and the rotating seat is sequentially divided into a feeding position, a detection position and a discharging position along the conveying direction of the ceramic shell material; and A plurality of loading platforms are respectively arranged at the feeding position, the detecting position and the unloading position; the moving component is arranged above the loading platform at the detecting position; and the camera module is arranged at one side of the loading platform at the detecting position.

[0007] In a possible implementation, the camera module includes: A visual inspection camera is disposed on one side of the conveying assembly, the visual inspection camera has a shooting end facing the conveying assembly, and the adjustment assembly is used to drive the visual inspection camera to move within a spatial range; and A fill light is arranged on one side of the conveying component, and the exposure brightness of the fill light can be adjusted.

[0008] In a possible implementation, the fill light is ring-shaped and is arranged around the outer circumference of the shooting end.

[0009] In a possible implementation, the mobile component includes: A first mechanical arm, disposed on one side of the conveying assembly; a rotation drive mechanism, provided at the moving end of the first robot arm, the rotation drive mechanism having a rotation shaft that can rotate around an axis in a vertical direction; and A vacuum suction head is transmission-connected to the rotating shaft, and the vacuum suction head is located above the conveying component.

[0010] In a possible implementation, the adjustment component includes: A lifting mechanism, disposed on one side of the conveying assembly; A first horizontal moving mechanism, provided on the lifting mechanism; The second horizontal moving mechanism is arranged on the first horizontal moving mechanism, the movement direction of the second horizontal moving mechanism is perpendicular to the movement direction of the first horizontal moving mechanism, and the camera module is connected to the second horizontal moving mechanism.

[0011] In a possible implementation, the adjustment component further includes a pitch adjustment mechanism, the pitch adjustment mechanism is disposed on the second horizontal movement mechanism, and the camera module is disposed on the pitch adjustment mechanism.

[0012] Compared with the prior art, the ceramic tube shell appearance defect detection device provided by the present invention has the following beneficial effects: The ceramic tube shell appearance defect detection device provided by the present invention includes a conveying component, a camera module, a moving component and an adjusting component. The conveying component can convey the ceramic tube shell material along a pre-set conveying direction. The camera module is arranged on one side of the conveying component. When the ceramic tube shell material reaches the corresponding position, the camera module is used to collect images of the side of the ceramic tube shell material, and the image information is transmitted to the processor, and the processor is used to determine whether there are appearance defects. After the shooting of one side is completed, the ceramic tube shell material is driven to rotate by the moving component so that different sides face the camera module respectively. When the volume of the ceramic tube shell material is too large to be fully photographed, the horizontal position of the camera module can be adjusted by the adjusting component to achieve partitioned shooting.

[0013] The conveying component, camera module, moving component and adjusting component in the present invention work together to automatically complete the conveying, image acquisition and angle position switching of the ceramic tube shell material. The moving component is used to rotate the ceramic tube shell material, which can accurately position the material without causing scratches, greatly improving the work efficiency and detection quality, and can meet the requirements of enterprises for detection accuracy and detection efficiency during mass production.

[0014] In a second aspect, the present invention provides a method for detecting appearance defects of a ceramic tube shell, which is implemented by using the ceramic tube shell appearance defect detection device described in any of the above implementations, and includes the following steps: The ceramic tube shell material is conveyed along a preset direction by a conveying component; After the ceramic tube shell material reaches the shooting position of the camera module, the conveying component is paused, and the side surface of the ceramic tube shell material is imaged by the camera module; During image acquisition, the ceramic tube shell material is rotated by a moving component so that different sides of the ceramic tube shell material are respectively facing the camera module; The collected image information is transmitted to a defect recognition system, and defects are recognized on the side image of the ceramic shell material through a visual algorithm; After the image acquisition is completed, the ceramic tube shell material is transported to the discharge side through the conveying component.

[0015] In a possible implementation, when the camera module is used to capture the image of the side of the ceramic tube shell material, fill light is used for fill light, and by adjusting the exposure value of the fill light, the camera module can respectively capture image information of the same side in high exposure mode and low exposure mode.

[0016] In one possible implementation, when the camera module is used to capture images of the side of the ceramic tube shell material, when the camera module is unable to capture images of the complete side of the ceramic tube shell material, the camera module is driven to move in a horizontal direction through an adjustment component so that the camera module can take pictures of the side partitions of the ceramic tube shell material.

[0017] Compared with the prior art, the ceramic tube shell appearance defect detection method provided by the present invention has the following beneficial effects: The ceramic tube shell appearance defect detection method provided by the present invention can automatically detect the defects of the ceramic body on the outside of the ceramic tube shell, realize the automatic loading and unloading of the ceramic tube shell material through the conveying component, and collect images of the side of the ceramic tube shell material through the camera module. The adjustment component can adjust the position of the camera module, and can adapt to products of different sizes or volumes. It has a wide range of applications and strong versatility. By setting a moving component, the ceramic tube shell material can be rotated during image acquisition so that different sides of the ceramic tube shell material are respectively facing the camera module to achieve all-round image acquisition. Compared with the manual inspection method, it can greatly improve the detection efficiency and solve the problems of defect omission, introduction of external defects, and low efficiency in the current manual inspection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of a ceramic tube shell appearance defect detection device provided in one embodiment of the present invention Figure 1 ; Figure 2 A schematic diagram of a ceramic tube shell appearance defect detection device provided in one embodiment of the present invention Figure 2 ; Figure 3 A step diagram of a method for detecting appearance defects of a ceramic tube shell provided by an embodiment of the present invention.

[0019] Description of reference numerals: 1. Ceramic tube shell appearance defect detection device; 10. Conveying component; 11. Rotating seat; 12. Loading platform; 13. Ceramic tube shell material; 20. Camera module; 21. Visual inspection camera; 22. Fill light; 30. Moving component; 31. First mechanical arm; 32. Rotating drive mechanism; 33. Vacuum suction head; 40. Adjusting component; DETAILED DESCRIPTION In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] It should be noted that when an element is referred to as being "fixed to", "fixed" or "fixedly disposed" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" or "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. When an element is referred to as being "set to" or "disposed on" another element, it may be directly on the other element or there may be a central element. "Multiple" refers to two or more quantities. "At least one" refers to one or more quantities. "Several" refers to one or more quantities.

[0021] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0022] Please also read Figures 1 to 3 , the ceramic tube shell appearance defect detection device 1 and the ceramic shell appearance defect detection method provided by the embodiment of the present invention are described below.

[0023] See also Figure 1 and Figure 2 In the first aspect, an embodiment of the present invention provides a ceramic tube shell appearance defect detection device 1, comprising a conveying component 10, a camera module 20, a moving component 30 and an adjusting component 40. The conveying component 10 is used to convey the ceramic tube shell material 13 along a preset direction; the camera module 20 is arranged on one side of the conveying component 10; the moving component 30 is arranged above the conveying component 10, and is used to rotate the ceramic tube shell material 13 so that different sides of the ceramic tube shell material 13 face the camera module 20; the adjusting component 40 is used to drive the camera module 20 to move in the horizontal direction (i.e., the X-axis direction hereinafter).

[0024] Compared with the prior art, the ceramic tube shell appearance defect detection device 1 provided by the embodiment of the present invention has the following beneficial effects: The ceramic tube shell appearance defect detection device 1 provided by the embodiment of the present invention includes a conveying component 10, a camera module 20, a moving component 30 and an adjusting component 40. The conveying component 10 can convey the ceramic tube shell material 13 along a pre-set conveying direction. The camera module 20 is set on one side of the conveying component 10. When the ceramic tube shell material 13 reaches the corresponding position, the camera module 20 is used to collect images of the side of the ceramic tube shell material 13, and the image information is transmitted to the processor, and the processor is used to determine whether there is an appearance defect. After one side is photographed, the ceramic tube shell material 13 is driven to rotate by the moving component 30 so that different sides face the camera module 20 respectively. When the volume of the ceramic tube shell material 13 is too large to be fully photographed, the horizontal position of the camera module 20 can be adjusted by the adjusting component 40 to achieve partitioned shooting.

[0025] The adjustment component 40 is used to drive the camera module 20 to move in the horizontal direction (i.e., the width direction of the ceramic shell material 13), so that the camera module 20 can perform partitioned photography on the side of the ceramic shell material 13 in the width direction. As needed, the adjustment component 40 can also adjust the height of the camera module 20, the distance between the camera module 20 and the ceramic shell material 13, and the pitch angle. The adjustment component 40 can use a multi-axis robot arm in the prior art.

[0026] It can be understood that the ceramic tube shell appearance defect detection device 1 provided in the embodiment of the present invention is suitable for appearance defect detection of square tube shells, and is also suitable for appearance defect detection of tube shells of circular or other shapes.

[0027] In the embodiment of the present invention, the conveying component 10, the camera module 20, the moving component 30 and the adjusting component 40 work together to automatically complete the conveying, image acquisition and angle position switching of the ceramic tube shell material 13. The moving component 30 is used to rotate the ceramic tube shell material 13, which can accurately position the material without causing scratches, greatly improving the work efficiency and detection quality, and can meet the requirements of enterprises for detection accuracy and detection efficiency during mass production.

[0028] In the embodiment of the present invention, the conveying component 10 is used to convey the ceramic tube shell material 13. There is no specific restriction on the specific structural form and running direction of the conveying component 10. For example, the conveying component 10 can be a belt conveyor, a chain plate conveyor, a loading block moving along a slide rail, a circular track, etc., and the conveying direction can be linear, circular, etc.

[0029] As required, a robot can be provided on the loading side and the unloading side of the conveying assembly 10 , respectively, for loading and unloading the ceramic tube shell material 13 .

[0030] The camera module 20 is used to capture images of the ceramic tube shell material 13, and can transmit the captured image information to the analysis software, which automatically identifies defects in the outer image based on the AI ​​visual algorithm. The camera module 20 and the analysis software can directly select mature products available on the market that can capture and analyze the appearance of the ceramic tube shell.

[0031] Optionally, the light source of the camera module 20 can use annular light and adopt high and low exposure methods to take pictures of the side of the ceramic tube shell in high exposure mode and low exposure mode respectively, which makes it easier to identify appearance defects and helps to improve the accuracy of detection.

[0032] The moving assembly 30 is disposed above the conveying assembly 10, and can clamp the ceramic tube shell material 13 and drive the ceramic tube shell material 13 to rotate so that different sides face the camera module 20. Specifically, the moving assembly 30 can be driven by a mechanical arm, and a mechanical arm or a vacuum suction cup can be used to suck and release the ceramic tube shell material 13.

[0033] The adjustment component 40 is used to adjust the spatial position of the camera module 20. The adjustment component 40 can use a motor as a driving component to adjust the position of the camera module 20 in different directions of X, Y, and Z to obtain a better shooting effect.

[0034] See also Figure 1 and Figure 2 In some possible embodiments, the conveying component 10 includes a rotating seat 11 and a loading platform 12, the rotating seat 11 is rotatably arranged around a vertical axis, and the rotating seat 11 is divided into a feeding position, a detection position and a unloading position in sequence along the conveying direction of the ceramic tube shell material 13; multiple loading platforms 12 are respectively arranged at the feeding position, the detection position and the unloading position, the moving component 30 is arranged above the loading platform 12 located at the detection position, and the camera module 20 is arranged on one side of the loading platform 12 located at the detection position.

[0035] In this embodiment, the conveying assembly 10 includes a rotating seat 11 and a loading platform 12. The rotating seat 11 can be driven to rotate by a motor or a hydraulic motor. A plurality of loading platforms 12 are arranged on the rotating seat 11 at equal intervals along its own circumferential direction, and the ceramic tube shell material 13 is placed on the loading platform 12. When the ceramic tube shell material 13 reaches the detection position, the camera module 20 takes a picture of the side of the ceramic tube shell material 13, and the moving assembly 30 rotates the ceramic tube shell material 13 so that the multiple side surfaces face the camera module 20 respectively.

[0036] See also Figure 1 and Figure 2 In some possible embodiments, the camera module 20 includes a visual inspection camera 21 and a fill light 22. The visual inspection camera 21 is disposed on one side of the conveying component 10, and the visual inspection camera 21 has a shooting end facing the conveying component 10. The adjustment component 40 is used to drive the visual inspection camera 21 to move within a spatial range; the fill light 22 is disposed on one side of the conveying component 10, and the exposure brightness of the fill light 22 can be adjusted.

[0037] In this embodiment, the camera module includes a visual inspection camera 21 and a fill light 22. The fill light 22 can be set at one side or other positions as needed, and one or more fill lights can be set as needed. Figure 1As shown, in some possible embodiments, the fill light 22 is annular, and the fill light 22 is arranged around the periphery of the shooting end, and the fill light effect is good. The fill light 22 can adjust the exposure so that the visual inspection camera 21 can shoot in high exposure and low exposure modes respectively, which helps to obtain a clearer image and improve the appearance defect recognition accuracy of the ceramic tube shell material 13.

[0038] See also Figure 1 and Figure 2 In some possible embodiments, the moving assembly 30 includes a first mechanical arm 31, a rotation drive mechanism 32 and a vacuum suction head 33. The first mechanical arm 31 is disposed at one side of the conveying assembly 10; the rotation drive mechanism 32 is disposed at the moving end of the first mechanical arm 31, and the rotation drive mechanism 32 has a rotation shaft that can rotate around an axis in a vertical direction; the vacuum suction head 33 is transmission-connected to the rotation shaft, and the vacuum suction head 33 is located above the conveying assembly 10.

[0039] In this embodiment, the moving assembly 30 includes a first mechanical arm 31, a rotation drive mechanism 32 and a vacuum suction head 33. The first mechanical arm 31 is a multi-axis mechanical arm that can be positioned and rotated in multiple directions within a spatial range. The rotation drive mechanism 32 can be a voice coil motor for driving the vacuum suction head 33 to rotate. The vacuum suction head 33 is used to absorb and release the sheet-like ceramic tube shell material 13. The first mechanical arm 31, the rotation drive mechanism 32 and the vacuum suction head 33 work together to achieve the absorption, rotation and release of the ceramic tube shell material 13.

[0040] In some possible embodiments, the adjustment component 40 includes a lifting mechanism, a first horizontal moving mechanism and a second horizontal moving mechanism. The lifting mechanism is arranged on one side of the conveying component 10; the first horizontal moving mechanism is arranged on the lifting mechanism; the second horizontal moving mechanism is arranged on the first horizontal moving mechanism, and the movement direction of the second horizontal moving mechanism is perpendicular to the movement direction of the first horizontal moving mechanism, and the camera module 20 is connected to the second horizontal moving mechanism.

[0041] In this embodiment, the adjustment component 40 includes a lifting mechanism, a first horizontal moving mechanism and a second horizontal moving mechanism. The first horizontal moving mechanism and the second horizontal moving mechanism are respectively used to drive the camera module 20 to perform horizontal movement in the X-axis (the width direction of the tube shell toward the side of the camera module 20) and the Y-axis (the distance direction between the camera module 20 and the tube shell). The lifting mechanism is used to drive the camera module 20 to perform vertical movement in the Z-axis (height direction).

[0042] In some possible embodiments, the adjustment component 40 also includes a pitch adjustment mechanism, which is arranged on the second horizontal moving mechanism, and the camera module 20 is arranged on the pitch adjustment mechanism. The pitch adjustment mechanism is used to drive the camera module 20 to pitch and adjust, so that the shooting range is wider. The pitch adjustment mechanism can be a motor-driven rotating driving component, which can drive the camera module 20 to rotate through transmission forms such as gear transmission and chain transmission.

[0043] In the second aspect, an embodiment of the present invention provides a method for detecting appearance defects of ceramic tube shells, which is implemented by the ceramic tube shell appearance defect detection device 1 in the above embodiment, and includes the following steps: conveying a ceramic tube shell material 13 along a preset direction by a conveying component 10; after the ceramic tube shell material 13 reaches the shooting position of the camera module 20, the conveying component 10 is paused, and the side of the ceramic tube shell material 13 is imaged by the camera module 20; during the image acquisition, the ceramic tube shell material 13 is rotated by a moving component 30 so that different sides of the ceramic tube shell material 13 are respectively facing the camera module 20; the collected image information is transmitted to a defect recognition system, and defects are recognized on the side images of the ceramic tube shell material 13 by a visual algorithm, and defects are automatically recognized and marked; after the image acquisition is completed, the ceramic tube shell material 13 is conveyed to the discharge side by the conveying component 10.

[0044] Compared with the prior art, the method for detecting appearance defects of ceramic tube shells provided by the embodiment of the present invention has the following beneficial effects: The ceramic tube shell appearance defect detection method provided by the embodiment of the present invention can automatically detect the ceramic body defects on the outside of the ceramic tube shell, realize the automatic loading and unloading of the ceramic tube shell material 13 through the conveying component 10, and capture the image of the side of the ceramic tube shell material 13 through the camera module 20. The adjustment component 40 can adjust the position of the camera module 20, and can adapt to products of different sizes or volumes. It has a wide range of applications and strong versatility. By setting the moving component 30, the ceramic tube shell material 13 can be rotated during image acquisition so that different sides of the ceramic tube shell material 13 are respectively facing the camera module 20, and all-round image acquisition is achieved. Compared with the manual inspection method, the detection efficiency can be greatly improved, and the problems of defect omission, introduction of external defects, and low efficiency in the current manual inspection process are solved.

[0045] In some possible embodiments, when the camera module 20 is used to capture images of the side of the ceramic tube shell material 13, fill light 22 is used for fill light. By adjusting the exposure value of the fill light 22, the camera module 20 can respectively capture image information of the same side in high exposure mode and low exposure mode, and then automatically identify defects in the image through visual recognition software.

[0046] In some possible embodiments, when the camera module 20 is used to capture images of the side of the ceramic tube shell material 13, when the outer dimensions of the tube shell are large, the outer side of the tube shell cannot fully present the camera field of view, that is, when the camera module 20 cannot capture images of the complete side of the ceramic tube shell material 13, the camera module 20 is driven to move in a horizontal direction by adjusting the component 40, so that the camera module 20 can take pictures of the side partitions of the ceramic tube shell material 13, thereby realizing image capture of the outer side of the large-size tube shell.

[0047] It can be understood that the various parts in the above-mentioned embodiments can be freely combined or deleted to form different combination embodiments. The specific contents of each combination embodiment will not be repeated here. After this description, it can be considered that the specification of the present invention has recorded various combination embodiments and can support different combination embodiments.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for detecting appearance defects of a ceramic tube shell, characterized in that: include: A conveying component, used for conveying ceramic shell materials along a preset direction; A camera module is arranged on one side of the conveying assembly; A moving component, disposed above the conveying component, for rotating the ceramic tube shell material so that different sides of the ceramic tube shell material face the camera module; as well as The adjusting component is used to drive the camera module to move in a horizontal direction.

2. The ceramic tube shell appearance defect detection device according to claim 1, characterized in that: The conveying assembly comprises: A rotating seat is rotatably arranged around a vertical axis, and the rotating seat is sequentially divided into a feeding position, a detection position and a discharging position along the conveying direction of the ceramic shell material; and A plurality of loading platforms are respectively arranged at the feeding position, the detecting position and the unloading position; the moving component is arranged above the loading platform at the detecting position; and the camera module is arranged at one side of the loading platform at the detecting position.

3. The ceramic tube shell appearance defect detection device according to claim 1, characterized in that: The camera module comprises: A visual inspection camera is disposed on one side of the conveying assembly, the visual inspection camera has a shooting end facing the conveying assembly, and the adjustment assembly is used to drive the visual inspection camera to move within a spatial range; and A fill light is arranged on one side of the conveying component, and the exposure brightness of the fill light can be adjusted.

4. The ceramic tube shell appearance defect detection device according to claim 3, characterized in that: The fill light is ring-shaped and is arranged around the outer periphery of the shooting end.

5. The ceramic tube shell appearance defect detection device according to claim 1, characterized in that: The mobile assembly comprises: A first mechanical arm, disposed on one side of the conveying assembly; a rotation drive mechanism, provided at the moving end of the first robot arm, the rotation drive mechanism having a rotation shaft that can rotate around an axis in a vertical direction; and A vacuum suction head is transmission-connected to the rotating shaft, and the vacuum suction head is located above the conveying component.

6. The ceramic tube shell appearance defect detection device according to claim 1, characterized in that: The adjustment component comprises: A lifting mechanism, disposed on one side of the conveying assembly; A first horizontal moving mechanism, provided on the lifting mechanism; The second horizontal moving mechanism is arranged on the first horizontal moving mechanism, the movement direction of the second horizontal moving mechanism is perpendicular to the movement direction of the first horizontal moving mechanism, and the camera module is connected to the second horizontal moving mechanism.

7. The ceramic tube shell appearance defect detection device according to claim 6, characterized in that: The adjustment component also includes a pitch adjustment mechanism, which is arranged on the second horizontal moving mechanism, and the camera module is arranged on the pitch adjustment mechanism.

8. A method for detecting appearance defects of a ceramic tube shell, characterized in that: The method is implemented by using the ceramic tube shell appearance defect detection device according to any one of claims 1 to 7, comprising the following steps: The ceramic tube shell material is conveyed along a preset direction by a conveying component; After the ceramic tube shell material reaches the shooting position of the camera module, the conveying component is paused, and the side surface of the ceramic tube shell material is imaged by the camera module; During image acquisition, the ceramic tube shell material is rotated by a moving component so that different sides of the ceramic tube shell material are respectively facing the camera module; The collected image information is transmitted to a defect recognition system, and defects are recognized on the side image of the ceramic shell material through a visual algorithm; After the image acquisition is completed, the ceramic tube shell material is transported to the discharge side through the conveying component.

9. The method for detecting appearance defects of a ceramic tube shell according to claim 8, characterized in that: When the camera module is used to capture images of the side of the ceramic tube shell material, fill light is used for fill light. By adjusting the exposure value of the fill light, the camera module can respectively capture image information of the same side in high exposure mode and low exposure mode.

10. The method for detecting appearance defects of a ceramic tube shell according to claim 8, characterized in that: When the camera module is used to capture images of the side of the ceramic tube shell material, when the camera module is unable to capture images of the complete side of the ceramic tube shell material, the camera module is driven to move in a horizontal direction through an adjustment component so that the camera module can take pictures of the side partitions of the ceramic tube shell material.

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