Paper tube outer diameter testing device
By designing the paper tube outer diameter test device, using a CCD detector and lifting displacement mechanism, combined with a three-claw chuck, the paper tube is stably clamped and rotated, which solves the problems of high labor intensity and poor accuracy of traditional manual measurement, and achieves high-precision multi-point measurement and portability of the paper tube outer diameter.
Patent Information
- Application Number
- CN202422135513.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Traditional manual paper tube outer diameter measurement method has high labor intensity, is susceptible to human factors and is difficult to achieve multi-point detection, resulting in poor measurement results in inconsistency and accuracy.
A paper tube outer diameter test device is designed, using a CCD detector, lifting and displacement mechanism and a three-jaw chuck to realize semi-automated measurement, and the paper tube is stably clamped and rotated through the support frame and transmission assembly, combined with high-precision imaging, ensuring measurement accuracy and adaptability.
It realizes high-precision and multi-point measurement of the outer diameter of the paper tube, reduces labor intensity, improves the accuracy and production efficiency of measurement results, and has good portability for rapid deployment.
Smart Images

Figure CN223295395U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of measuring instruments, in particular to a paper tube outer diameter testing device. Background Art
[0002] In modern industrial production, paper tubes, a tubular material widely used in industries such as packaging, textiles, and papermaking, have a significant impact on product quality and production efficiency due to the accuracy of their outer diameter. Traditional methods for measuring paper tube outer diameters rely primarily on manual labor, which has numerous limitations. Manual measurement requires operators to perform repetitive tasks continuously, increasing labor intensity and leading to fatigue, impacting work continuity. Manual measurement is also susceptible to human factors, making it difficult to ensure the consistency and accuracy of measurement results. During continuous production, manual measurement makes it difficult to detect paper tube outer diameters at multiple points, making it impossible to fully assess the overall quality of the paper tubes. Utility Model Content
[0003] To solve the above technical problems, the present invention relates to a paper tube outer diameter testing device, which has a simple and reliable structure, effectively solves the above technical problems, and is suitable for popularization and use. To achieve the above purpose, the present invention is implemented through the following technical solutions:
[0004] A paper tube outer diameter testing device comprises a base, a support frame is provided on the base, support plates are symmetrically provided on the left and right sides of the top of the support frame, a CCD detector is provided on the support plate, a lifting displacement mechanism is provided in the middle of the support frame, the lifting displacement mechanism comprises a lifting plate that can move up and down, a first drive motor and a support platform are installed on the front side of the lifting plate, the support platform is located above the first drive motor, a three-jaw chuck is provided above the support platform, the axis of the three-jaw chuck is perpendicular to the horizontal plane, the first drive motor is connected to the three-jaw chuck through a transmission assembly and is used to drive the three-jaw chuck to rotate.
[0005] On the basis of the above scheme and as a preferred scheme of the above scheme: the lifting and displacement mechanism includes a screw rod, a second drive motor, a moving block, a guide rail, and a slider. The screw rod is arranged perpendicular to the horizontal plane and is located between the two side plates of the support frame. The two side plates of the support frame are connected by a reinforcement plate. The second drive motor is installed below the reinforcement plate and its output end is connected to one end of the screw rod. The second drive motor is used to drive the screw rod to rotate. The moving block cooperates with the screw rod thread through a screw rod nut. The lifting plate is fixedly connected to the moving block. The two guide rails are symmetrically arranged on both sides of the screw rod and fixedly connected to the side plates of the support frame. The slider is slidably connected to the guide rail, and the lifting plate is fixedly connected to the slider.
[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the transmission assembly includes a driving shaft, a driven shaft, a driving gear, and a driven gear. The driving shaft and the driven shaft are arranged parallel to each other and perpendicular to the horizontal plane. The output end of the first driving motor is connected to the bottom end of the driving shaft. The driving gear is coaxially arranged with the driving shaft. The driven gear is coaxially arranged with the driven shaft. The driving gear and the driven gear are meshed with each other and are located in the inner cavity of the support platform. The top end of the driven shaft is connected to the three-jaw chuck.
[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: mounting plates are symmetrically arranged on the left and right sides of the bottom of the support frame, each of the mounting plates is provided with two bolt mounting holes, and the mounting plates are detachably connected to the base by bolt connection.
[0008] On the basis of the above solution and as a preferred solution of the above solution: a roller is respectively provided at the four corners of the bottom of the base, and a pull rod is also provided above the base.
[0009] Compared with the existing technology, the outstanding and beneficial technical effects of the present invention are: the present device realizes semi-automatic high-precision measurement of the outer diameter of the paper tube, and the workers only need to perform the material taking and placing operations. The paper tube can be automatically sent to the measuring station through the lifting and displacement adjustment mechanism, which reduces the labor intensity of the workers. The three-jaw chuck is used for stable and accurate clamping. The paper tube is driven to rotate by the rotary drive structure and then high-precision imaging is performed by the CCD detector. Multi-point measurement ensures the accuracy of the measurement results. The base roller and pull rod design greatly improve the portability of the device, which is convenient for rapid transfer and deployment. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is a first-person perspective schematic diagram of the device;
[0011] Figure 2 is a schematic diagram of the second viewing angle of the device;
[0012] Figure 3 It is a schematic diagram of the transmission components. DETAILED DESCRIPTION
[0013] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments. However, the specific implementation methods and embodiments described below are only for illustrative purposes and are not intended to limit the present invention.
[0014] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate directions or positional relationships based on the attached text. Figure 1 The directions or positional relationships shown are only for the convenience of describing the present invention, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the present invention.
[0015] In the description of this application, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0016] In order to solve the above technical problems, Figure 1-3 As shown, the utility model designs a paper tube outer diameter testing device, including a base 20, a support frame 1 is provided on the base 20, support plates 2 are symmetrically provided on the left and right sides of the top of the support frame 1, and a CCD detector 3 is provided on the support plate 2. The CCD detector 3 can capture small changes in the outer diameter of the paper tube with its high resolution and high sensitivity, thereby improving the accuracy of measurement. A lifting displacement mechanism is provided in the middle of the support frame 1, and the lifting displacement mechanism includes a lifting plate 4 that can move up and down. A first drive motor 5 and a support platform 6 are installed on the front side of the lifting plate 4. The support platform 6 is located above the first drive motor 5, and three claws are provided above the support platform 6. Chuck 7, the axis of the three-jaw chuck 7 is perpendicular to the horizontal plane, the first drive motor 5 is connected to the three-jaw chuck 7 through a transmission assembly and is used to drive the three-jaw chuck 7 to rotate, the three-jaw chuck 7 can stably clamp the paper tube, and its axis is perpendicular to the horizontal plane, ensuring that the position of the paper tube is fixed during the measurement process, reducing the measurement error caused by shaking or offset of the paper tube, the design of the lifting displacement mechanism allows the lifting plate 4 to move up and down to adapt to paper tubes of different heights, so that the device can flexibly respond to the measurement needs of paper tubes of different specifications, improve the adaptability and versatility of the measurement, and the automated measurement process reduces waiting time and human operation errors, speeds up the measurement speed, and thus improves the overall production efficiency.
[0017] It is further preferred in this embodiment that the lifting and displacement mechanism includes a screw rod 8, a second drive motor 9, a moving block 10, a guide rail 11, and a slider 12. The screw rod 8 is arranged perpendicular to the horizontal plane and is located between the two side plates of the support frame 1. The two side plates of the support frame 1 are connected by a reinforcement plate. The second drive motor 9 is installed below the reinforcement plate and its output end is connected to one end of the screw rod 8. The second drive motor 9 is used to drive the screw rod 8 to rotate. The moving block 10 is threadedly matched with the screw rod 8 through a screw nut. The lifting plate 4 is fixedly connected to the moving block 10. The two guide rails 11 are symmetrically arranged. It is arranged on both sides of the screw rod 8 and fixedly connected to the side plates of the support frame 1, the slider 12 is slidably connected to the guide rail 11, and the lifting plate 4 is fixedly connected to the slider 12. Through the cooperation of the screw rod 8 and the second drive motor 9, the device can achieve precise control of the lifting plate 4, thereby ensuring stability and repeatability during the measurement process. The self-rotation drive of the screw rod 8 makes the up and down movement of the lifting plate 4 smoother and more accurate. The design of the guide rail 11 and the slider 12 reduces the friction during mechanical movement, ensuring the smoothness and reliability of the movement of the lifting plate 4, and the symmetrical setting of the guide rail 11 further enhances the balance of the structure.
[0018] It is further preferred in this embodiment that the transmission assembly includes a driving shaft 13, a driven shaft 14, a driving gear 15, and a driven gear 16. The driving shaft 13 is arranged parallel to the driven shaft 14 and perpendicular to the horizontal plane. The output end of the first driving motor 5 is connected to the bottom end of the driving shaft 13, the driving gear 15 is coaxially arranged with the driving shaft 13, and the driven gear 16 is coaxially arranged with the driven shaft 14. The driving gear 15 and the driven gear 16 are meshed with each other and are located in the inner cavity of the support platform 6. The top end of the driven shaft 14 is connected to the three-jaw chuck 7. The parallel arrangement of the driving shaft 13 and the driven shaft 14, and the coaxial configuration of the driving gear 15 and the driven gear 16 ensure the high efficiency and stability of power transmission, reduce the loss of energy in the transmission process, and the compact design of the transmission assembly reduces the occupied space, making the overall device more compact and convenient for installation and operation in a limited space.
[0019] It is further preferred in this embodiment that mounting plates 17 are symmetrically provided on the left and right sides of the bottom of the support frame 1, and each of the mounting plates 17 is provided with two bolt mounting holes, each bolt mounting hole is used to install a bolt, and the bolt is connected with the threaded hole on the base 20. The mounting plates 17 are detachably connected to the base 20 by bolt connection, which simplifies the installation process and makes the assembly and disassembly of the device faster and more convenient. When the support frame 1 or the base 20 needs to be maintained or upgraded, the detachable connection allows for quick separation of the components, reducing the time and cost of maintenance and upgrades.
[0020] It is further preferred in this embodiment that a roller 18 is provided at each of the four corners of the bottom of the base 20, and a pull rod 19 is also provided above the base 20, so that the entire device can be easily moved to different working positions. The easy movement can quickly respond to changes in production needs, thereby improving the flexibility and adaptability of the device.
[0021] This device realizes semi-automatic high-precision measurement of the outer diameter of paper tubes. Workers only need to perform material taking and placing operations. The paper tubes can be automatically sent to the measuring station through the lifting and displacement adjustment mechanism, which reduces the labor intensity of workers. The three-jaw chuck 7 is used for stable and accurate clamping. The paper tubes are driven to rotate by the rotary drive structure and then high-precision imaging is performed by the CCD detector 3. Multi-point measurement ensures the accuracy of the measurement results. The roller and pull rod design of the base 20 greatly improves the portability of the device, which is convenient for rapid transfer and deployment.
[0022] It is worth noting that the technical features such as CCD detectors and motors involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional means in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.
[0023] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made by technicians in the relevant technical field based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.
Claims
1. A paper tube outer diameter testing device, characterized by: It includes a base, a support frame is provided on the base, support plates are symmetrically provided on the left and right sides of the top of the support frame, a CCD detector is provided on the support plate, a lifting displacement mechanism is provided in the middle of the support frame, the lifting displacement mechanism includes a lifting plate that can move up and down, a first driving motor and a support platform are installed on the front side of the lifting plate, the support platform is located above the first driving motor, a three-jaw chuck is provided above the support platform, the axis of the three-jaw chuck is perpendicular to the horizontal plane, the first driving motor is connected to the three-jaw chuck through a transmission assembly and is used to drive the three-jaw chuck to rotate.
2. A paper tube outer diameter testing device according to claim 1, characterized in that: The lifting and displacement mechanism includes a screw rod, a second driving motor, a moving block, a guide rail, and a slider. The screw rod is arranged perpendicular to the horizontal plane and is located between the two side plates of the support frame. The two side plates of the support frame are connected by a reinforcement plate. The second driving motor is installed below the reinforcement plate and its output end is connected to one end of the screw rod. The second driving motor is used to drive the screw rod to rotate. The moving block cooperates with the screw rod thread through a screw rod nut. The lifting plate is fixedly connected to the moving block. The two guide rails are symmetrically arranged on both sides of the screw rod and fixedly connected to the side plates of the support frame. The slider is slidably connected to the guide rail, and the lifting plate is fixedly connected to the slider.
3. A paper tube outer diameter testing device according to claim 2, characterized in that: The transmission assembly includes a driving shaft, a driven shaft, a driving gear, and a driven gear. The driving shaft and the driven shaft are arranged parallel to each other and perpendicular to the horizontal plane. The output end of the first driving motor is connected to the bottom end of the driving shaft. The driving gear and the driving shaft are coaxially arranged. The driven gear and the driven shaft are coaxially arranged. The driving gear and the driven gear are meshed with each other and are located in the inner cavity of the support platform. The top end of the driven shaft is connected to the three-jaw chuck.
4. A paper tube outer diameter testing device according to claim 3, characterized in that: Mounting plates are symmetrically arranged on the left and right sides of the bottom of the support frame, and each of the mounting plates is provided with two bolt mounting holes. The mounting plates are detachably connected to the base by bolt connection.
5. The paper tube outer diameter testing device according to claim 4, characterized in that: A roller is respectively provided at the four corners of the bottom of the base, and a pull rod is also provided above the base.