Automatic detection device for electric conductivity of flexible intermediate bulk container

By designing an automated testing device for the conductivity of FIBCs (Flexible Intermediate Bulk Containers), a motor-driven rotating rod and a wrinkle-removing component are used to eliminate wrinkles, solving the problems of incomplete testing and poor contact. This achieves full-coverage, multi-position automated testing of FIBCs, improving the accuracy and efficiency of testing.

CN224682328UActive Publication Date: 2026-08-25CHANGZHOU DAWEN PACKAGING MATERIAL CO LTD
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Patent Information

Application Number
CN202521984290.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-16
Publication Date
2026-08-25
Estimated Expiration
2035-09-16

AI Technical Summary

Technical Problem

Existing devices for testing the conductivity of bulk bags cannot fully cover key areas, resulting in incomplete test results. Furthermore, poor contact caused by bag wrinkles affects the accuracy of the test data.

Method used

An automated testing device for the conductivity of FIBCs (Flexible Intermediate Bulk Containers) was designed. The device uses a motor-driven rotating rod to rotate the FIBC, and combines lifting and moving components to adjust the testing position. It also uses a wrinkle-removing component to eliminate wrinkles in the bag, ensuring that the patch is in close contact with the bag and achieving full-coverage testing.

Benefits of technology

It achieves full coverage and multi-position automated detection of FIBCs, improving the accuracy and efficiency of detection, adapting to FIBCs of different specifications, and enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of automatic detection device for the electrically conductive performance of container bag, comprising: base, rotatingly installed on the outer wall of the bottom of base rotating rod, first motor installed on the inner wall of the top of base and disc installed on the top of rotating rod, further comprising: installation frame installed on the outer wall one end of the top of base, lifting assembly is installed in the inner wall of installation frame, and lifting assembly both sides outer wall are evenly installed with moving assembly, two the sleeve of moving assembly one end is installed with, and top plate is installed on the top of installation frame.The utility model, can be driven by first motor to rotate container bag, cooperate moving assembly to adjust detection position, cover key parts of container bag, realize comprehensive detection;Wrinkle-removing assembly can eliminate bag surface wrinkle, ensure positive and negative electrode patch and container bag closely adhere, avoid poor contact to affect data accuracy;Overall automation operation improves detection efficiency, and adapt to different specifications container bag, enhance practicality.
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Description

Technical Field

[0001] This utility model relates to the field of conductivity testing technology, specifically to an automated testing device for the conductivity of container bags. Background Technology

[0002] During loading and transportation, static electricity can be generated between the bag and the material (such as powder or granules) due to friction. This is especially true in dry environments or when loading insulating materials (such as plastic granules or chemical powders), where static electricity can easily accumulate and form high voltage (up to tens of thousands of volts).

[0003] If the container bag is not conductive, accumulated static electricity may break down the air and generate a spark. When the loaded material is flammable or explosive (such as explosive raw materials, organic solvent powder, or coal powder), the spark may cause an explosion or fire.

[0004] Current testing devices can perform automated conductivity testing on FIBCs, but they cannot fully cover the key parts of the FIBC during testing, often resulting in incomplete results due to limited testing locations. Furthermore, wrinkles easily form on the bag surface, causing poor contact between the electrodes and the FIBC surface, which affects the accuracy of the test data. Utility Model Content

[0005] The purpose of this invention is to provide an automated testing device for the conductivity of bulk bags, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automated testing device for the conductivity of bulk bags, comprising: a base, a rotating rod rotatably mounted on the outer wall of the bottom of the base, a first motor mounted on the inner wall of the top of the base, and a disc mounted on the top of the rotating rod; further comprising: a mounting frame mounted on one end of the outer wall of the top of the base, wherein a lifting assembly is mounted on the inner wall of the mounting frame, and moving assemblies are mounted on both outer walls of the lifting assembly; a sleeve is mounted on one end of each of the two moving assemblies, and a top plate is mounted on the top of the mounting frame; a resistance measuring instrument is mounted on one end of the outer wall of the bottom of the top plate, and a positive electrode patch and a negative electrode patch are respectively provided at the bottom of the two sleeves; a positive electrode wire and a negative electrode wire are respectively connected to the outer walls of both sides of the resistance measuring instrument, and the bottoms of the positive electrode wire and the negative electrode wire are respectively connected to the positive electrode wire and the negative electrode wire; and multiple wrinkle removal components are rotatably mounted on the outer walls of both sleeves.

[0007] The lifting assembly includes a second motor, a threaded rod connected to the bottom of the output shaft of the second motor, and a lifting block screwed onto the threaded rod.

[0008] The lifting block is slidably connected to the inner wall of the mounting frame.

[0009] The moving component includes a mounting plate, an electric slide mounted on one outer wall of the mounting plate, and a connecting rod mounted on one outer wall of the sliding component of the electric slide.

[0010] The wrinkle removal assembly includes a rotating tube, a movable rod slidably connected to the inner wall of the rotating tube, a spring disposed inside the rotating tube, and a pressure roller installed at the bottom of the movable rod.

[0011] The output shaft of the first motor is fixedly connected to the rotating rod, and the first motor can drive the rotating rod to rotate the disc along the central axis of the base.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model discloses an automated testing device for the conductivity of FIBCs (Flexible Intermediate Bulk Containers). A first motor drives the FIBC to rotate, and a moving component adjusts the testing position to cover key areas of the FIBC, achieving comprehensive testing. A wrinkle-removing component eliminates wrinkles on the bag surface, ensuring a tight fit between the positive and negative electrode patches and the FIBC, preventing poor contact from affecting data accuracy. Overall automated operation improves testing efficiency and is adaptable to different FIBC specifications, enhancing practicality. Attached Figure Description

[0014] Figure 1 This is a top view of the structure of this utility model;

[0015] Figure 2 This is a bottom view of the structure of this utility model;

[0016] Figure 3 This is a structural diagram of the resistance measuring instrument of this utility model;

[0017] Figure 4 This is a structural diagram of the lifting component and the moving component of this utility model;

[0018] Figure 5 This is a structural diagram of the wrinkle removal component of this utility model.

[0019] In the diagram: 1. Base; 2. Rotating rod; 3. First motor; 4. Disc; 5. Mounting frame; 6. Lifting assembly; 601. Second motor; 602. Threaded rod; 603. Lifting block; 7. Moving assembly; 701. Mounting plate; 702. Electric slide; 703. Connecting rod; 8. Sleeve; 9. Top plate; 10. Resistance meter; 11. Positive electrode patch; 12. Negative electrode patch; 13. Positive electrode wire; 14. Negative electrode wire; 15. Wrinkle removal assembly; 1501. Rotating tube; 1502. Movable rod; 1503. Spring; 1504. Pressure roller. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-5 This utility model provides an automated testing device for the conductivity of container bags, comprising: a base 1, a rotating rod 2 rotatably mounted on the bottom outer wall of the base 1, a first motor 3 mounted on the top inner wall of the base 1, and a disc 4 mounted on the top of the rotating rod 2. It also includes: a mounting frame 5 mounted on one end of the top outer wall of the base 1; a lifting assembly 6 mounted on the inner wall of the mounting frame 5; and moving assemblies 7 mounted on both sides of the outer walls of the lifting assembly 6. A sleeve 8 is mounted on one end of each of the two moving assemblies 7. A top plate 9 is mounted on the top of the mounting frame 5. A resistance meter 10 is mounted on one end of the bottom outer wall of the top plate 9. A positive electrode patch 11 and a negative electrode patch 12 are respectively provided at the bottom of the two sleeves 8. A positive electrode wire 13 and a negative electrode wire 14 are respectively connected to the outer walls of both sides of the resistance meter 10. The bottoms of the positive electrode wire 13 and the negative electrode wire 14 are respectively connected to the positive electrode wire 13 and the negative electrode wire 14. Multiple wrinkle-removing components 15 are rotatably mounted on the outer walls of both sleeves 8.

[0022] It should be noted here that:

[0023] Placement and positioning: Place the container bag on the disc 4. The first motor 3 drives the rotating rod 2 to rotate the disc 4, which can adjust the detection position of the container bag to ensure that the area to be detected is aligned with the positive electrode patch 11 and the negative electrode patch 12 below.

[0024] Testing execution: The lifting component 6 inside the mounting frame 5 drives the moving components 7 on both sides to descend, so that the positive electrode patch 11 and the negative electrode patch 12 at the bottom of the sleeve 8 are pressed onto the surface of the container bag; the resistance measuring instrument 10 is connected to the two patches through the positive electrode wire 13 and the negative electrode wire 14 to form a detection circuit, and measures the resistance value of the container bag to determine its conductivity.

[0025] Assisted wrinkle removal: The wrinkle removal component 15 on the outer wall of the sleeve 8 first contacts the container bag during the descent process, and eliminates the wrinkles on the surface of the bag through physical action, ensuring good contact between the positive electrode patch 11 and the negative electrode patch 12 and the container bag, and avoiding wrinkles from affecting the accuracy of detection.

[0026] Position adjustment: The first motor 3 drives the rotating rod 2 to rotate, which in turn drives the disc 4 and the container bag to rotate, thereby switching the detection position. The movable component 7 can adjust the position of the sleeve 8, which, in conjunction with the rotation of the container bag, enables accurate testing at different detection points.

[0027] In a preferred embodiment, the lifting assembly 6 includes a second motor 601, a threaded rod 602 connected to the bottom of the output shaft of the second motor 601, and a lifting block 603 screwed onto the threaded rod 602. The lifting block 603 is slidably connected to the inner wall of the mounting frame 5.

[0028] It should be noted here that after the second motor 601 starts, the output shaft drives the threaded rod 602 to rotate. Since the lifting block 603 is screwed to the threaded rod 602 and slidably connected to the inner wall of the mounting frame 5, the rotational motion of the threaded rod 602 is converted into the vertical up-and-down movement of the lifting block 603.

[0029] The movement of the lifting block 603 drives the moving components 7 and sleeve 8 on both sides to rise and fall synchronously, so as to achieve contact or separation between the positive electrode patch 11 and the negative electrode patch 12 and the container bag.

[0030] In a preferred embodiment, the moving component 7 includes a mounting plate 701, an electric slide 702 mounted on one side of the outer wall of the mounting plate 701, and a connecting rod 703 mounted on one side of the outer wall of the sliding member of the electric slide 702.

[0031] It should be noted here that: the mounting plate 701 is fixed on the lifting block 603, and the electric slide 702 is installed on one side of the mounting plate 701, and its sliding parts can move in the horizontal direction;

[0032] The electric slide 702 drives the connecting rod 703 and the sleeve 8 to move horizontally, thereby adjusting the distance between the positive electrode patch 11 and the negative electrode patch 12, which can be adapted to the detection point spacing of different sized FIBCs.

[0033] In a preferred embodiment, the wrinkle removal assembly 15 includes a rotating tube 1501, a movable rod 1502 slidably connected to the inner wall of the rotating tube 1501, a spring 1503 disposed inside the rotating tube 1501, and a pressure roller 1504 mounted on the bottom of the movable rod 1502.

[0034] It should be noted here that when the sleeve 8 descends, the pressure roller 1504 first contacts the surface of the container bag. As the sleeve 8 continues to descend, the movable rod 1502 compresses the spring 1503 inside the rotating tube 1501, so that the pressure roller 1504 applies a certain pressure to the surface of the container bag.

[0035] The pressure roller 1504 rolls on the surface of the container bag, and the elasticity of the spring 1503 ensures that the pressure roller 1504 always fits the bag body. The rolling friction flattens the wrinkles and creates a smooth surface for subsequent patch contact.

[0036] In a preferred embodiment, the output shaft of the first motor 3 is fixedly connected to the rotating rod 2, and the first motor 3 can drive the rotating rod 2 to rotate the disc 4 along the central axis of the base 1.

[0037] It should be noted here that after the first motor 3 starts, it drives the rotating rod 2 to rotate around the central axis of the base 1, thereby driving the top disc 4 and the container bag to rotate synchronously.

[0038] The rotation function allows for the inspection of different areas of the FIBC without the need for manual movement of the FIBC, enabling automated multi-position inspection and improving the comprehensiveness of the inspection.

[0039] Working principle:

[0040] FIBC positioning and position adjustment

[0041] The container bag is placed on the disc 4, and the first motor 3 drives the rotating rod 2 to rotate, which in turn drives the disc 4 and the container bag to rotate along the central axis of the base 1. The position of the area to be tested can be flexibly adjusted, and the switching of different areas can be achieved without manually moving the container bag.

[0042] Lifting control of detection components

[0043] The lifting assembly 6 inside the mounting frame 5 is activated: the second motor 601 drives the threaded rod 602 to rotate, and the lifting block 603, which is screwed to the threaded rod 602, slides along the inner wall of the mounting frame 5 to achieve vertical lifting, thereby driving the moving assemblies 7 and sleeves 8 on both sides to descend or rise synchronously, controlling the contact or separation of the positive electrode patch 11 and the negative electrode patch 12 with the container bag.

[0044] Precise adjustment of detection position

[0045] In the moving component 7, the mounting plate 701 is fixed to the lifting block 603, and the electric slide 702 drives the sliding component to move horizontally. The connecting rod 703 drives the sleeve 8 to move, thereby adjusting the horizontal distance between the positive electrode patch 11 and the negative electrode patch 12 to adapt to the detection point distance requirements of different sized container bags.

[0046] Wrinkle removal ensures contact effect

[0047] During the descent of the sleeve 8, the wrinkle-removing component 15 first contacts the container bag: after the pressure roller 1504 contacts the bag body, the movable rod 1502 compresses the spring 1503 inside the rotating tube 1501, so that the pressure roller 1504 adheres to the bag surface with stable pressure; the pressure roller 1504 rolls as the sleeve 8 descends, using the elasticity of the spring 1503 to flatten the wrinkles, ensuring good contact between the subsequent positive electrode patch 11 and negative electrode patch 12 and the bag body.

[0048] Conductivity test execution

[0049] After the positive electrode patch 11 and the negative electrode patch 12 are pressed together, the resistance measuring instrument 10 forms a circuit with the patch through the positive electrode wire 13 and the negative electrode wire 14 to measure the resistance value of the container bag and determine whether its conductivity meets the standard.

[0050] Through the above steps, the device achieves automated, multi-position, and high-precision detection of the conductivity of container bags, improving detection efficiency and accuracy.

[0051] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An automated testing device for the conductivity of bulk bags, comprising: The base (1), the rotating rod (2) mounted on the bottom outer wall of the base (1), the first motor (3) mounted on the top inner wall of the base (1), and the disc (4) mounted on the top of the rotating rod (2); The invention is characterized by further comprising: a mounting frame (5) installed on one end of the top outer wall of the base (1), wherein a lifting component (6) is installed on the inner wall of the mounting frame (5), and a moving component (7) is installed on both sides of the outer wall of the lifting component (6), a sleeve (8) is installed on one end of each of the two moving components (7), and a top plate (9) is installed on the top of the mounting frame (5), a resistance measuring instrument (10) is installed on one end of the bottom outer wall of the top plate (9), and a positive electrode patch (11) and a negative electrode patch (12) are respectively provided on the bottom of the two sleeves (8), a positive electrode wire (13) and a negative electrode wire (14) are respectively connected to the outer walls of both sides of the resistance measuring instrument (10), and the bottom of the positive electrode wire (13) and the negative electrode wire (14) are respectively connected to the positive electrode wire (13) and the negative electrode wire (14), and multiple wrinkle removal components (15) are rotatably installed on the outer walls of the two sleeves (8).

2. The automated testing device for the conductivity of container bags according to claim 1, characterized in that: The lifting assembly (6) includes a second motor (601), a threaded rod (602) connected to the bottom of the output shaft of the second motor (601), and a lifting block (603) screwed onto the threaded rod (602).

3. The automated testing device for the conductivity of container bags according to claim 2, characterized in that: The lifting block (603) is slidably connected to the inner wall of the mounting frame (5).

4. The automated testing device for the conductivity of container bags according to claim 1, characterized in that: The moving component (7) includes a mounting plate (701), an electric slide (702) mounted on one side of the outer wall of the mounting plate (701), and a connecting rod (703) mounted on one side of the sliding element of the electric slide (702).

5. The automated testing device for the conductivity of container bags according to claim 1, characterized in that: The wrinkle removal assembly (15) includes a rotating tube (1501), a movable rod (1502) slidably connected to the inner wall of the rotating tube (1501), a spring (1503) disposed inside the rotating tube (1501), and a pressure roller (1504) installed at the bottom of the movable rod (1502).

6. The automated testing device for the conductivity of container bags according to claim 1, characterized in that: The output shaft of the first motor (3) is fixedly connected to the rotating rod (2), and the first motor (3) can drive the rotating rod (2) to drive the disc (4) to rotate along the central axis of the base (1).