Quality detection system for tubular products

Abstract

The utility model provides a quality detection system for tubular products, which comprises a detection unit, a meter counting unit, a marking unit and a processing unit, the detection unit comprises a plurality of different detection mechanisms, the plurality of detection mechanisms are used for detecting the tubular products passing through the detection mechanisms in sequence, and the processing unit is used for processing the tubular products. The meter counting unit is electrically connected with the detection unit, the marking unit and the processing unit, the meter counting unit is used for determining the position relation between the defective section and the marking unit, the marking unit comprises a plurality of marking mechanisms which are arranged in sequence, and the marking mechanisms are used for receiving the tubular products; the detection unit is arranged on the side, away from the detection unit, of the marking unit and used for setting corresponding marks on the defective sections according to the position information and the types of the defective sections, the processing unit is arranged on the side, away from the detection unit, of the marking unit and used for removing the defective sections, detection, marking and removal of the tubular products can be achieved, shutdown is not needed during marking, and the detection efficiency can be fully guaranteed.

Description

Technical Field

[0001] This application relates to the field of cylindrical tubular products, and further to a quality inspection system for cylindrical tubular products. Background Technology

[0002] Currently, round tubular products are used in all aspects of our lives, ranking second in global usage among various synthetic materials. They are a type of pipe with high heat resistance, toughness, and ductility. As supporting products for concealed engineering projects, tubular products have always received high attention and focus from end-users. Appearance quality, wall thickness, and outer diameter are the first steps in quality control during the production process of round tubular products. These factors reflect the quality of the processing technology and ensure overall production efficiency and cost control.

[0003] When quality problems are detected in cylindrical products, the defective sections need to be marked to facilitate subsequent processes such as repair or removal. However, there is currently a lack of detection and marking devices for cylindrical products, and most quality control relies on subjective judgment by visual inspection and touch. Furthermore, the manual marking of defective sections makes this quality control method inefficient. Additionally, the equipment often needs to be stopped during inspection and marking, affecting the continuity of production.

[0004] Therefore, this utility model aims to provide a quality inspection system for cylindrical products to solve the above-mentioned technical problems. Utility Model Content

[0005] To address the aforementioned technical problems, the purpose of this application is to provide a quality inspection system for cylindrical tubular products. The system aims to achieve the inspection, marking, and processing of cylindrical tubular products through the cooperation of an inspection unit, a metering unit, a marking unit, and a processing unit. This will not only effectively improve the inspection accuracy of cylindrical tubular products but also enhance the inspection efficiency.

[0006] To achieve the above objectives, this application provides a quality inspection system for cylindrical products, including an inspection unit, a metering unit, a marking unit, and a processing unit. The inspection unit includes several different inspection mechanisms, which are used to sequentially inspect the cylindrical products that have passed through the inspection mechanisms.

[0007] The metering unit is electrically connected to the detection unit, the marking unit, and the processing unit. The metering unit is used to determine the positional relationship between the defective segment and the marking unit.

[0008] The marking unit includes several marking mechanisms arranged in sequence. The marking mechanisms are used to receive the cylindrical product and to set corresponding marks on the defective segments according to their positional relationship and the type of defective segments.

[0009] The processing unit is located on the side of the marking unit away from the detection unit, and the processing unit is used to remove the defective segments.

[0010] In some embodiments, the processing unit includes a cutting mechanism and an identification mechanism disposed on the cutting mechanism;

[0011] The identification mechanism is used to identify the markings on the defective segment so that the cutting mechanism can cut the defective segment.

[0012] In some embodiments, the meter-counting unit includes a control module and a first guide wheel assembly, the first guide wheel assembly being disposed on a detection mechanism of the detection unit remote from the marking unit;

[0013] The first guide wheel assembly is used to convey the cylindrical product, and the first guide wheel assembly is configured with an encoder for calculating the length of the cylindrical product passing through the first guide wheel assembly;

[0014] The control module is electrically connected to the first guide wheel assembly, the detection mechanism, and the marking mechanism. The control module is used to control the marking mechanism to set the mark through the first guide wheel assembly.

[0015] In some embodiments, the identification mechanism includes a first sensing component, a second sensing component, and a support frame, the support frame being disposed on the side of the cutting mechanism near the marking unit;

[0016] The support frame has through holes for the cylindrical product to pass through. The first sensing component and the second sensing component are both mounted on the support frame and are used to identify different types of markings.

[0017] In some embodiments, the identification mechanism further includes a clamping assembly disposed on the support frame and opposite to the through hole;

[0018] When the cutting mechanism cuts the defective section, the clamping assembly is used to clamp and fix the cylindrical product.

[0019] In some embodiments, the detection mechanism is configured as three, and the three detection mechanisms are respectively used to detect the wall thickness of the cylindrical product, the outer surface of the cylindrical product, and the outer diameter of the cylindrical product;

[0020] The marking mechanism is configured in two parts: one marking mechanism is used to apply a spray pattern to the defective section with abnormal outer diameter and outer surface, and the other marking mechanism is used to apply a label to the defective section with abnormal wall thickness, thereby marking the defective section.

[0021] In some embodiments, the first sensing component includes a mounting ring and a plurality of first detectors, the mounting ring being disposed opposite to the through hole, and the plurality of first detectors being disposed within the mounting ring for identifying the spray pattern;

[0022] and / or

[0023] The second sensing component includes a plurality of second sensors arranged circumferentially on the support frame for identifying the tag.

[0024] In some embodiments, a second guide wheel assembly is also included, which is electrically connected to the control module, the identification mechanism, and the cutting mechanism;

[0025] The second guide wheel assembly and the identification mechanism are used to determine the positional relationship between the defective segment and the cutting mechanism, so that the control module can control the cutting mechanism to cut off the defective segment based on the positional relationship.

[0026] In some embodiments, the cutting mechanism includes a cutting blade, a drive unit, and two conveyor belts disposed at the end of the identification mechanism away from the marking mechanism, the two conveyor belts being disposed vertically opposite each other to form a transport channel between the two conveyor belts for transporting the cylindrical product.

[0027] The cutting blade is located at the end of the conveyor belt away from the identification mechanism, and the driving member is connected to the cutting blade to drive the cutting blade to cut off the defective section.

[0028] In some embodiments, a front guide wheel assembly and a rear guide wheel assembly are also included, the front guide wheel assembly being disposed on the side of the detection unit away from the marking unit, and the rear guide wheel assembly being disposed on the side of the marking unit away from the detection unit.

[0029] Compared with the prior art, the quality inspection system for cylindrical products provided in this application has the following advantages:

[0030] 1. This utility model provides a quality inspection system for cylindrical products. The system integrates multiple units such as an inspection unit, a metering unit, a marking unit, and a processing unit. It realizes fully automated processing from inspection to rejection of defective sections, reduces manual intervention, and lowers the possibility of human error, thereby effectively improving the accuracy of inspection of cylindrical products. Moreover, after the cylindrical products are inspected by the inspection unit, they enter the marking unit, which can set marks on the cylindrical products, ensuring the continuity and stability of the production process, thereby greatly improving the inspection efficiency.

[0031] 2. The present invention provides a quality inspection system for cylindrical products. The inspection unit includes multiple different inspection mechanisms, which can comprehensively cover various quality indicators of cylindrical products, ensuring the accuracy and reliability of the inspection results. Moreover, the marking unit includes several marking mechanisms arranged in sequence, which can flexibly set different markings according to different types of defective sections. Attached Figure Description

[0032] The preferred embodiments will now be described in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages, and implementation methods of this application.

[0033] Figure 1 This is a structural schematic diagram of a quality inspection system for cylindrical products provided by this utility model;

[0034] Figure 2 This is a schematic diagram of the identification mechanism provided by this utility model.

[0035] Reference numerals in the attached diagram: 11 wall measuring instrument, 12 convexity measuring instrument, 13 diameter measuring instrument, 21 inkjet printing mechanism, 22 labeling machine, 31 identification mechanism, 311 first sensing component, 312 second sensor, 313 support frame, 3131 connecting plate, 3132 first protruding plate, 3133 second protruding plate, 314 clamping component, 315 mounting plate, 316 mounting block, 32 cutting mechanism, 321 conveyor belt, 322 cutting blade, 4 round tubular product. Detailed Implementation

[0036] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the specific implementation methods of this application will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without creative effort.

[0037] To keep the drawings concise, each drawing only schematically shows the parts relevant to the application; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" can mean not only "only one" but also "more than one."

[0038] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0039] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0040] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0041] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0042] In one embodiment, a detection system for a quality inspection system of cylindrical tubular products is described. Through the cooperation of a detection unit, a metering unit, a marking unit, and a processing unit, the system can realize the automatic detection, marking, and processing of cylindrical tubular products, effectively reduce the detection efficiency of cylindrical tubular products, and improve the detection accuracy of cylindrical tubular products.

[0043] Round tubular products are now widely used in various aspects of our lives, ranking second in global usage among all synthetic materials, and are renowned for their excellent heat resistance, toughness, and ductility. As a key supporting product for concealed engineering projects, tubing has always received high attention and importance from end users. During the production process, indicators such as appearance quality, wall thickness, and outer diameter are the primary steps in quality control of round tubular products. They not only reflect the quality of the processing technology but also directly relate to production efficiency and cost control. When quality problems are detected in round tubular products, the defective sections need to be clearly marked so that subsequent processes can repair or cut them off. However, currently, there is a relative lack of detection and marking devices for round tubular products, and most rely on subjective judgment methods such as manual visual observation and touch. When workers inspect and mark defective sections, the manual operation method leads to low efficiency in this quality control method and affects the continuity of production.

[0044] Therefore, in this embodiment, please refer to the appendix to the specification. Figure 1 and Figure 2 This system is specifically designed for quality inspection of cylindrical tubular products. It integrates several key components, including an inspection unit, a metering unit, a marking unit, and a processing unit. The inspection unit consists of multiple different inspection mechanisms arranged sequentially to perform quality inspection on the passing cylindrical tubular products 4. Each inspection mechanism performs different inspections on the cylindrical tubular product 4, typically checking for items such as outer diameter, wall thickness, and surface abnormalities. Sections with abnormalities in the outer diameter, wall thickness, and surface of the cylindrical tubular product 4 are considered defective segments. Correspondingly, the metering unit is electrically connected to the inspection unit, marking unit, and processing unit. The metering unit is primarily used to determine the positional relationship between each defective segment and the marking unit. The marking unit includes several marking mechanisms, also arranged sequentially, used to receive the inspected cylindrical tubular products 4. Specifically, the cylindrical product 4, after being inspected by several inspection mechanisms, then passes through several marking mechanisms. Based on the positional relationships obtained by the metering unit and the types of defective sections detected by the inspection mechanisms, the marking mechanisms can set corresponding marks on the defective sections. That is, the marking mechanisms can set different marks on the defective sections according to their type, facilitating subsequent processing. Furthermore, a processing unit is located on the side of the marking unit away from the inspection unit; it is used to remove defective sections, thereby ensuring the quality of the final product.

[0045] It is understood that the quality inspection system for cylindrical tubular products provided by this utility model can perform multi-dimensional quality inspection on cylindrical tubular products. These inspection mechanisms can be responsible for inspecting key indicators such as outer diameter, wall thickness, and outer surface, thereby ensuring product quality and giving the system the advantage of comprehensive multi-directional inspection. In addition, cylindrical tubular products often need to be inspected directly after being produced by production equipment. However, when manually inspecting and marking cylindrical tubular products, the speed of manual inspection often requires equipment downtime, which adversely affects the continuous production of the equipment. In this embodiment, after being inspected by the inspection mechanism, the cylindrical tubular product can directly enter the marking unit. The marking unit, in conjunction with the metering unit, marks defective sections. This process does not require equipment downtime, thereby ensuring the continuity of production and further improving inspection efficiency.

[0046] In one embodiment, the processing unit is further described. See the appendix to the specification. Figure 1 The processing unit consists of a cutting mechanism 32 and an identification mechanism 31 mounted thereon. The main function of the identification mechanism 31 is to read the markings on the defective segments so that the cutting mechanism 32 can accurately remove these defective segments.

[0047] Furthermore, the metering unit of the quality inspection system for tubular products includes a control module and a first guide wheel assembly. This first guide wheel assembly is located on a detection mechanism of the detection unit, away from the marking unit. The first guide wheel assembly is responsible for conveying the tubular product and is equipped with an encoder to calculate the length of the tubular product passing through the first guide wheel assembly. Accordingly, the control module is electrically connected to the first guide wheel assembly, the detection mechanism, and the marking mechanism, and controls the marking mechanism to set marks on the tubular product 4 via the first guide wheel assembly.

[0048] The working principle is as follows: A first guide wheel assembly equipped with an encoder can record the length of the tubular product passing through it. Generally, the tubular product 4 passes through the first guide wheel assembly before passing through the detection mechanism. When a detection mechanism detects an abnormality in a portion of the tubular product 4 at its location, the control module controls the first guide wheel assembly to start recording the length of the tubular product passing through it. Correspondingly, the distance between the detection mechanism and the marking mechanism is fixed. When the distance the first guide wheel assembly records is the same as the distance the tubular product has moved, the control module controls the marking mechanism to mark the abnormal, defective segment.

[0049] Furthermore, the identification mechanism 31 includes a first sensing component 311, a second sensing component, and a support frame 313. The support frame 313 is located on the side of the cutting mechanism 32 near the marking unit and has a through hole for the cylindrical product 4 to pass through. Both the first sensing component 311 and the second sensing component are mounted on the support frame 313 and are used to identify different types of markings.

[0050] For details, please refer to the instruction manual appendix. Figure 1 The system comprises three testing mechanisms: a wall thickness gauge (11), a surface roughness gauge (12), and a diameter gauge (13). The wall thickness gauge is a precision measuring device primarily used for non-destructive measurement of material or object thickness. This instrument is widely used in industrial production and scientific research, playing a crucial role, especially in applications requiring high-precision measurements. The core working principle of the wall thickness gauge is based on optical interferometry, a highly accurate and non-invasive measurement method. The surface roughness gauge (12) primarily utilizes optical projection technology to detect protrusions or depressions on the surface of wires and tubes. During the testing process, the device emits light through infrared LED or incandescent lamp projection. When the surface of the object being tested has protrusions or depressions, the amount of light received by the receiver changes, thus detecting defects on the outer surface of the cylindrical product (4). The diameter gauge (13) measures the outer diameter of the cylindrical product (4) using laser light.

[0051] Accordingly, two marking mechanisms are configured: one for applying inkjet printing to defective sections with abnormal outer diameter and outer surface, and the other for applying labels to defective sections with abnormal wall thickness, thereby marking the defective sections. Generally, the marking mechanism for applying inkjet printing to defective sections with abnormal outer diameter and outer surface is usually set as inkjet printing mechanism 21, while the marking mechanism for applying labels to defective sections with abnormal wall thickness is set as labeling machine 22.

[0052] Of course, in actual production applications, the number of testing institutions and marking institutions is not limited to the number mentioned in the above embodiments. Other forms can also be used for the testing items and marking types of the cylindrical product 4. These will not be described in detail here, but are all within the protection scope of this utility model.

[0053] In one embodiment, see the appendix to the specification. Figure 2 This embodiment further describes the identification mechanism, which also includes a clamping component. The clamping component is disposed on the support frame 313 and is disposed corresponding to the through hole on the support frame 313. When the cutting mechanism cuts the defective section, the clamping component is used to clamp and fix the cylindrical product.

[0054] Preferably, the support frame 313 includes a connecting plate 3131, a first protruding plate 3132, and a second protruding plate 3133 disposed below the first protruding plate 3132. The first and second protruding plates 3132 and 3133 are disposed at both ends of the connecting plate and on the same side of the connecting plate. Correspondingly, through holes are formed on the connecting plate. Mounting rings are disposed on the connecting plate and are disposed opposite to the through holes. Second sensors are disposed at the ends of the first and second protruding plates away from the connecting plate. Correspondingly, a mounting block 316 is disposed on the first protruding plate 3132, and the mounting block 316 is provided with two mutually perpendicular intersecting mounting slots. The second sensors 312 can be disposed in both mounting slots to adjust the mounting position of the second sensors 312 on the first protruding plate 3132. Correspondingly, a sliding groove is disposed on the second protruding plate 3133 along the extension direction of the cylindrical product 4. A second sensor 312 is movably disposed in the sliding groove to adjust the position of the second sensor 312 on the second protruding plate 3133.

[0055] In addition, two mounting plates 315 are provided on the connecting plate 3131, and a second sensor 312 is provided on each mounting plate 315. The two second sensors 312 are located on both sides perpendicular to the extension direction of the cylindrical product 4, so as to increase the recognition range of the second sensing component, thereby reducing the possibility of missed recognition and improving the recognition accuracy of the second sensing component.

[0056] Furthermore, the clamping assembly includes a base, two semi-circular clamping blocks, two sliders, a bidirectional lead screw, and a handwheel. The base is located on the side of the connecting plate away from the first sensing component 311. A sliding groove is provided on the upper surface of the base, and the bidirectional lead screw passes through the sliding groove and is rotatably connected to both ends of the base. Correspondingly, the two sliders are movably disposed within the sliding groove and are threadedly connected to the front and rear ends of the bidirectional lead screw. The handwheel is mounted on the end of the bidirectional lead screw. In addition, the two semi-circular clamping blocks are respectively disposed opposite to the two sliders to form a clamping space between them corresponding to the through hole. In use, the operator can adjust the clamping of the cylindrical product 4 by rotating the handwheel to facilitate cutting by the cutting blade.

[0057] Furthermore, the first sensing component 311 includes a mounting ring and a plurality of first detectors. The mounting ring is disposed opposite to the through hole, and the plurality of first detectors are evenly arranged along the circumference of the mounting ring for detecting the spray pattern. Correspondingly, the second sensing component includes a plurality of second sensors, which are disposed on the support frame 313 for detecting the label.

[0058] In one embodiment, a quality inspection system for a cylindrical product includes an identification mechanism 31 that further includes a second guide wheel assembly. The second guide wheel assembly is electrically connected to a control module, a first sensing component, a second sensing component, and a cutting mechanism 32. The second guide wheel assembly, the first sensing component, and the second sensing component are used to obtain the positional relationship of defective segments on the cylindrical product 4, so that the control module can control the cutting mechanism to remove defective segments based on the positional information.

[0059] The second guide wheel assembly is similar to the first guide wheel assembly, also equipped with an encoder for calculating the length of the tubular product 4 passing through it. During operation, when either the first or second sensing assembly detects a mark, the second guide wheel assembly begins recording the length of the tubular product passing through it. Correspondingly, the distances between the first and second sensing assemblies and the cutting mechanism are fixed. When the second guide wheel assembly records the same distance the tubular product has moved, the control module controls the cutting mechanism to cut the defective segment.

[0060] The cutting mechanism 32 includes a conveyor belt 321, a drive unit, and a cutting blade 322. Two conveyor belts 321 are arranged vertically opposite each other at the end of the identification mechanism 31 furthest from the marking mechanism, forming a transport channel between the two conveyor belts 321 for transporting tubular products. The cutting blade 322 is located at the end of the conveyor belt 321 furthest from the identification mechanism 31 and is connected to the drive unit. The drive unit drives the conveyor belts 321, and the tubular product is positioned between the two conveyor belts 321 to drive the cutting blade 322 to cut off defective sections.

[0061] In one embodiment, a quality inspection system for a cylindrical product further includes a front guide wheel assembly and a rear guide wheel assembly disposed opposite to each other. The front guide wheel assembly is disposed on the side of the inspection unit away from the marking unit, and the rear guide wheel assembly is disposed on the side of the marking unit away from the inspection unit. The front guide wheel assembly and the rear guide wheel assembly are used to transport the cylindrical product 4.

[0062] It should be noted that the above embodiments can be freely combined as needed. The above are merely preferred embodiments of this application. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principles of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A quality inspection system for cylindrical tubular products, characterized in that, It includes a detection unit, a metering unit, a marking unit, and a processing unit. The detection unit includes several different detection mechanisms, which are used to sequentially detect the cylindrical products that have passed through the detection mechanisms. The metering unit is electrically connected to the detection unit, the marking unit, and the processing unit. The metering unit is used to determine the positional relationship between the defective segment and the marking unit. The marking unit includes several marking mechanisms arranged in sequence. The marking mechanisms are used to receive the cylindrical product and to set corresponding marks on the defective segments according to their positional relationship and the type of defective segments. The processing unit is located on the side of the marking unit away from the detection unit, and the processing unit is used to remove the defective segments.

2. The quality inspection system for cylindrical tubular products according to claim 1, characterized in that, The processing unit includes a cutting mechanism and an identification mechanism disposed on the cutting mechanism; The identification mechanism is used to identify the markings on the defective segment so that the cutting mechanism can cut the defective segment.

3. The quality inspection system for cylindrical tubular products according to claim 2, characterized in that, The meter counting unit includes a control module and a first guide wheel assembly, the first guide wheel assembly being disposed on a detection mechanism of the detection unit away from the marking unit; The first guide wheel assembly is used to convey the cylindrical product, and the first guide wheel assembly is configured with an encoder for calculating the length of the cylindrical product passing through the first guide wheel assembly; The control module is electrically connected to the first guide wheel assembly, the detection mechanism, and the marking mechanism. The control module is used to control the marking mechanism to set the mark through the first guide wheel assembly.

4. A quality inspection system for cylindrical tubular products according to claim 3, characterized in that, The identification mechanism includes a first sensing component, a second sensing component, and a support frame, wherein the support frame is disposed on the side of the cutting mechanism near the marking unit; The support frame has through holes for the cylindrical product to pass through. The first sensing component and the second sensing component are both mounted on the support frame and are used to identify different types of markings.

5. A quality inspection system for cylindrical products according to claim 4, characterized in that, The identification mechanism further includes a clamping component, which is disposed on the support frame and is positioned opposite to the through hole; When the cutting mechanism cuts the defective section, the clamping assembly is used to clamp and fix the cylindrical product.

6. A quality inspection system for cylindrical tubular products according to claim 5, characterized in that, The detection mechanism is configured as three, and the three detection mechanisms are respectively used to detect the wall thickness of the cylindrical product, the outer surface of the cylindrical product, and the outer diameter of the cylindrical product; The marking mechanism is configured in two parts: one marking mechanism is used to apply a spray pattern to the defective section with abnormal outer diameter and outer surface, and the other marking mechanism is used to apply a label to the defective section with abnormal wall thickness, thereby marking the defective section.

7. A quality inspection system for cylindrical tubular products according to claim 6, characterized in that, The first sensing component includes a mounting ring and a plurality of first detectors. The mounting ring is disposed opposite to the through hole, and the plurality of first detectors are disposed within the mounting ring to identify the spray pattern. and / or The second sensing component includes a plurality of second sensors arranged circumferentially on the support frame for identifying the tag.

8. A quality inspection system for cylindrical tubular products according to any one of claims 4-7, characterized in that, The identification mechanism further includes a second guide wheel assembly, which is electrically connected to the control module, the first sensing component, the second sensing component, and the cutting mechanism. The second guide wheel assembly, the first sensing assembly, and the second sensing assembly are used to determine the positional relationship between the defective segment and the cutting mechanism, so that the control module can control the cutting mechanism to remove the defective segment based on the positional relationship.

9. A quality inspection system for cylindrical tubular products according to claim 8, characterized in that, The cutting mechanism includes a cutting blade, a driving component, and two conveyor belts disposed at the end of the identification mechanism away from the marking mechanism. The two conveyor belts are arranged vertically opposite each other to form a transport channel between the two conveyor belts for transporting the cylindrical product. The cutting blade is located at the end of the conveyor belt away from the identification mechanism, and the driving member is connected to the cutting blade to drive the cutting blade to cut off the defective section.

10. A quality inspection system for cylindrical tubular products according to claim 1, characterized in that, It also includes a front guide wheel assembly and a rear guide wheel assembly arranged opposite to each other. The front guide wheel assembly is located on the side of the detection unit away from the marking unit, and the rear guide wheel assembly is located on the side of the marking unit away from the detection unit.

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