Quality detection device for bag production based on intelligent sensor

Abstract

The application relates to the technical field of bulk bag quality detection devices, and discloses a quality detection device for bulk bag production based on an intelligent sensor, which comprises a test frame, a sliding column is slidably connected to the inner wall of the test frame through a spring, a circular plate is fixedly connected to the bottom of the sliding column, the top of the circular plate is fixedly connected to the bottom of a limiting column, a hook is fixedly connected to the bottom of the circular plate, and the circumferential surface of the hook is slidably connected with a long plate. When the bulk bag is detected, a staff member manually rotates a threaded rod I, the threaded rod I drives the long plate to move downwards, the periphery of the bulk bag in the hook is compressed at the same time, the sliding column moves downwards and buffers through the spring between the test frame, damage caused by impact or vibration during transportation and use can be reduced, the safety of the bulk bag is improved, the detection result is more accurate, and the safety of the staff member is higher.

Description

Technical Field

[0001] This invention relates to the technical field of FIBC (Flexible Intermediate Bulk Container) quality inspection devices, specifically a quality inspection device for FIBC production based on intelligent sensors. Background Technology

[0002] FIBCs, also known as flexible intermediary bags or ton bags, are flexible transport packaging containers widely used in food, grain, pharmaceutical, and chemical industries. They need to have sufficient strength for transportation. Traditional FIBC quality inspection mainly relies on manual visual inspection, which is inefficient and cannot meet the rapid inspection requirements of automated production lines.

[0003] Patent CN217156083U relates to a quality inspection device for FIBC production, belonging to the field of FIBC technology. It addresses the problem that during FIBC production, some parts are not properly sewn, resulting in poor quality and potential breakage during use, affecting normal operation. The proposed solution includes a base, a support frame fixed to the top of the base, a cross plate fixed to the top of the support frame, and multiple fixing plates (first type) hinged to the outside of the cross plate. Each fixing plate (first type) is further fixed to the outside of a fixing plate (second type). Support plates are provided on the sides of each fixing plate (second type), and these support plates are fixedly connected to the fixing plates (second type). Fixing plates (third type) are hinged to the sides of the multiple fixing plates (first type) that are close to each other. This device performs tensile testing on the four sides of the bag, load-bearing testing on the bottom of the bag, and load-bearing testing on the lifting rope. Multiple tests are performed simultaneously, eliminating problems with the stitching around the edges and the quality of the bag material, greatly improving testing efficiency and product quality. Although the device straightens the four sides of the tested parts, further improving the testing efficiency and making the testing more efficient, it does not provide downward cushioning for the tested parts during tension testing. This can easily lead to stress concentration during testing, causing equipment damage or inaccurate test results, making it difficult to guarantee the safety of the equipment and personnel. Therefore, a quality inspection device for FIBC production based on intelligent sensors is proposed to solve the above-mentioned problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a quality inspection device for the production of FIBCs based on intelligent sensors, which addresses the shortcomings of the prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a quality inspection device for the production of container bags based on intelligent sensors, comprising a test frame, a sliding column slidably connected to the inner wall of the test frame by a spring, a circular plate fixedly connected to the bottom of the sliding column, a hook fixedly connected to the bottom of the circular plate, a long plate slidably connected to the circumferential surface of the hook, a threaded rod rotatably connected to the inner wall of the circular plate, a threaded rod rotatably connected to the inner wall of the test frame, a movable plate threadedly connected to the circumferential surface of the threaded rod rotatably, and a telescopic rod rotatably connected to the inner wall of the movable plate. A limiting rod is fixedly connected to the inner wall of the test frame, and a fixing plate is fixedly connected to the bottom of the limiting rod. An extension rod is slidably connected to the inner wall of the test frame. When testing the FIBC, the operator manually rotates the threaded rod, which causes the long plate to move downward, thereby pressing the FIBC around the hook. At the same time, the downward movement of the sliding column is buffered by the spring between it and the test frame, which can reduce damage caused by impact or vibration during transportation and use, improve the safety of the FIBC, and the application of the buffer device helps to improve the testing effect of the product, making the test results more accurate and the safety of the operators better. The inner wall of the test frame is equipped with a compression mechanism to help the equipment detect tension, and the outer surface of the test frame is equipped with an anti-loosening mechanism to prevent the equipment from loosening during operation. The inner wall of the test frame is slidably connected to the circumferential surface of the limiting post, and the inner wall of the sliding post is fixedly connected to the limiting post. The inner wall of the long plate is threadedly connected to the circumferential surface of the first threaded rod. A motor is fixedly connected to the top of the test frame, and the output end of the motor is fixedly connected to the top of the second threaded rod. The side of the first telescopic rod away from the moving plate is hinged to the extension rod. The inner wall of the moving plate is in contact with the circumferential surface of the limiting rod, and the moving plate moves along the movement trajectory of the limiting rod. A smart sensor is installed on the inner wall of the moving plate. During detection, the second threaded rod rotates, causing the extension rod to move in all directions and contact the inner wall of the container bag. This allows the container bag to be stretched and tightened through the extension rod, which can more realistically simulate its stress state in actual use, thereby improving the accuracy of the test results. It can also promptly detect and repair problems in the production process, reduce rework and waste caused by quality problems, and thus improve production efficiency.

[0006] Preferably, the extrusion mechanism includes a sliding plate, a round rod fixedly connected to the bottom of the sliding plate, and a pressure plate fixedly connected to the bottom of the round rod. While tightening the equipment, the sliding plate drives the pressure plate to press and stretch into the container bag. The tension is detected by the sensor inside the sliding plate, which can more realistically simulate the stress state of the container bag in actual use, thereby improving the accuracy of the detection results, reducing rework and waste caused by quality problems, and thus improving production efficiency. The inner wall of the test frame is slidably connected to a protective plate, and the inner wall of the test frame is fixedly connected to a positioning rod. A threaded rod three is rotatably connected to the inner wall of the test frame. The bottom of the sliding plate is fixedly connected to the fixed plate via a spring, and the inner wall of the sliding plate is slidably connected to the circumferential surface of the threaded rod two. The inner wall of the sliding plate is also slidably connected to the circumferential surface of the limiting rod, and the sliding plate moves along the movement trajectory of the limiting rod. The circumferential surface of the rod contacts the inner wall of the fixed plate, the inner wall of the protective plate contacts the circumferential surface of the positioning rod, and the inner wall of the protective plate is threadedly connected to the circumferential surface of the threaded rod three. A motor is fixedly connected to the top of the test frame, and the output end of the motor is fixedly connected to the top of the threaded rod three. A transparent glass is fixedly connected to the inner wall of the protective plate. During testing, the motor will drive the threaded rod three to rotate through the output end. The threaded rod three will drive the protective plate to move and protect the internal components, thereby ensuring the safety and normal operation of the equipment. Observation can be carried out through the transparent glass of the protective plate, which can effectively prevent the equipment from being damaged by external environmental factors such as dust, moisture, and impact, thereby protecting the safety and normal operation of the internal components, preventing damage to the equipment caused by external factors, and improving the stability and reliability of the equipment.

[0007] Preferably, the anti-loosening mechanism includes a positioning block, the inner wall of which is rotatably connected to a rotating plate via a torsion spring, the inner wall of which is rotatably connected to a roller, a limit plate fixedly connected to the bottom of the positioning block, and a snap-fit ​​fastener fixedly connected to the outer surface of the protective plate. While providing protection, the protective plate drives the roller to cooperate with the snap-fit ​​fastener for self-locking, preventing the equipment or container from opening or falling off due to accidents or vibrations during use, thereby improving the safety of the equipment or container. The self-locking design can effectively avoid accidents and misoperations, improve the safety of equipment and systems, protect personnel and equipment from damage, and make the detection more stable. The pressure plate is rotatably connected to two sides with flipping plates, and the inner wall of the flipping plates is rotatably connected to rollers. The top of the flipping plates is hinged to a second telescopic rod. The positioning block is fixedly connected to the outer surface of the test frame. The side of the rotating plate closest to the test frame contacts the limiting plate. The snap-fit ​​moves along the trajectory of the rollers. The side of the second telescopic rod away from the flipping plates is hinged to the front and rear sides of the fixed plate. While squeezing the FIBC, the movement of the pressure plate will drive the rollers to rotate and extend, thereby increasing the contact area. By pressing down and extending to both sides, the stress state of the FIBC in actual use can be more realistically simulated, thereby improving the accuracy of the test results, reducing rework and waste caused by quality problems, and thus improving production efficiency.

[0008] The present invention, by adopting the above technical solution, can bring the following beneficial effects: 1. This quality inspection device for FIBC (Flexible Intermediate Bulk Container) production based on intelligent sensors, through the coordinated operation of a test frame, sliding column, limiting column, circular plate, hook, fixed plate, threaded rod one, threaded rod two, moving plate, telescopic rod one, limiting rod, fixed plate, and extension rod, allows for the inspection of FIBCs. During inspection, the operator manually rotates threaded rod one, causing the long plate to move downwards, thereby pressing the FIBC around the hook. Simultaneously, the downward movement of the sliding column is buffered by springs between it and the test frame, reducing damage caused by impacts or vibrations during transportation and use. Damage and enhanced safety of FIBCs (Flexible Intermediate Bulk Containers): The application of cushioning devices helps improve the detection effect of products during testing, making the testing more efficient and accurate, and improving the safety of personnel. During testing, the rotation of the threaded rod drives the expansion rod to move in all directions and contact the inner wall of the FIBC. This allows the FIBC to be stretched and tightened through the expansion rod, which can more realistically simulate its stress state in actual use, thereby improving the accuracy of the test results. It can also promptly detect and repair problems in the production process, reduce rework and waste caused by quality problems, and thus improve production efficiency.

[0009] 2. This quality inspection device for FIBC production based on intelligent sensors, through the coordinated operation between the sliding plate, the circular rod, and the pressure plate, tightens the equipment while the moving plate drives the pressure plate to press and stretch the FIBC inside. Then, the sensor inside the moving plate detects the tension, which can more realistically simulate the stress state of the FIBC in actual use, thereby improving the accuracy of the test results, reducing rework and waste caused by quality problems, and thus improving production efficiency.

[0010] 3. This quality inspection device for FIBC production based on intelligent sensors, through the coordinated operation of a protective plate, a positioning rod, and a threaded rod, enables the motor to rotate the threaded rod via its output end during inspection. The threaded rod then moves the protective plate to protect the internal components, ensuring their safety and normal operation. Observation is achieved through the transparent glass of the protective plate, effectively preventing the equipment from being harmed by external environmental factors such as dust, moisture, and impacts. This protects the internal components, prevents damage caused by external factors, and improves the stability and reliability of the equipment.

[0011] 4. This quality inspection device for FIBC production based on intelligent sensors, through the coordinated operation of positioning blocks, rotating plates, rollers, limiting plates, and snap fasteners, provides protection while the protective plate drives the rollers to cooperate with the snap fasteners for self-locking. This prevents the equipment or container from opening or falling off due to accidents or vibrations during use, thereby improving the safety of the equipment or container. The self-locking design can effectively avoid accidents and misoperations, improve the safety of equipment and systems, protect personnel and equipment from damage, and make the inspection more stable.

[0012] 5. This quality inspection device for FIBC production based on intelligent sensors, through the coordinated operation of the telescopic rod, the flipping plate, and the roller, squeezes the FIBC while the pressure plate moves, causing the roller to rotate and extend, thereby increasing the contact area. By pressing down and extending to both sides, it can more realistically simulate the stress state of the FIBC in actual use, thereby improving the accuracy of the inspection results, reducing rework and waste caused by quality problems, and thus improving production efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the extension rod structure of the present invention; Figure 3 This is a schematic diagram of the hook structure of the present invention; Figure 4 This is a schematic diagram of the pressure plate structure of the present invention; Figure 5 This is a schematic diagram of the snap-fit ​​structure of the present invention; Figure 6 For the present invention Figure 5 Enlarged view of the structure at point A in the middle; Figure 7 For the present invention Figure 5 Enlarged view of the structure at point B in the middle.

[0014] In the diagram: 1. Test frame; 2. Sliding column; 3. Limiting column; 4. Round plate; 5. Hook; 6. Fixing plate; 7. Threaded rod one; 8. Extrusion mechanism; 81. Sliding plate; 82. Round rod; 83. Pressure plate; 84. Protective plate; 85. Positioning rod; 86. Threaded rod three; 9. Anti-loosening mechanism; 91. Positioning block; 92. Rotating plate; 93. Roller; 94. Limiting plate; 95. Snap-fit ​​buckle; 96. Telescopic rod two; 97. Flipping plate; 98. Round roller; 10. Threaded rod two; 11. Moving plate; 12. Telescopic rod one; 13. Limiting rod; 14. Fixing plate; 15. Extension rod. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] Please see Figures 1-7One embodiment of the present invention is: a quality inspection device for the production of container bags based on intelligent sensors, including a test frame 1, a sliding column 2 slidably connected to the inner wall of the test frame 1 by a spring, a circular plate 4 fixedly connected to the bottom of the sliding column 2, a hook 5 fixedly connected to the top of the circular plate 4 and the bottom of a limiting column 3, a long plate 6 slidably connected to the bottom of the circular plate 4, a threaded rod 7 rotatably connected to the inner wall of the circular plate 4, a threaded rod 10 rotatably connected to the inner wall of the test frame 1, a moving plate 11 threadedly connected to the circumferential surface of the threaded rod 10, a telescopic rod 12 rotatably connected to the inner wall of the moving plate 11, a limiting rod 13 fixedly connected to the inner wall of the test frame 1, a fixed plate 14 fixedly connected to the bottom of the limiting rod 13, and an extension rod 15 slidably connected to the inner wall of the test frame 1; During the production of FIBCs, a portion of the production needs to be recycled and tested. During testing, the worker aligns the four sides of the test piece with hook 5 and suspends it. After the FIBC is suspended on hook 5, the worker manually rotates threaded rod 7. The rotation of threaded rod 7 causes it to contact the inner wall of long plate 6 through the threaded groove on the circumferential surface, thereby causing long plate 6 to move downward. This compresses the FIBC around the inside of hook 5. During testing, the FIBC is squeezed downward, which in turn causes sliding column 2 to move downward. The downward movement of sliding column 2 is buffered by the spring between it and test frame 1, which can reduce damage caused by impact or vibration during transportation and use, improve the safety of FIBCs. The application of the buffer device helps to improve the testing effect of the product, making the testing more efficient and accurate, and improving the safety of the workers. The inner wall of the test frame 1 is provided with a squeezing mechanism 8 to help the equipment detect tension. The outer surface of the test frame 1 is provided with an anti-loosening mechanism 9 to prevent the equipment from loosening during operation. The inner wall of the test frame 1 is slidably connected to the circumferential surface of the limiting post 3. The inner wall of the sliding post 2 is fixedly connected to the limiting post 3. The inner wall of the long plate 6 is threadedly connected to the circumferential surface of the threaded rod 7. The top of the test frame 1 is fixedly connected to a motor. The output end of the motor is fixedly connected to the top of the threaded rod 10. The side of the telescopic rod 12 away from the moving plate 11 is hinged to the extension rod 15. The inner wall of the moving plate 11 is in contact with the circumferential surface of the limiting rod 13. The moving plate 11 moves on the movement trajectory of the limiting rod 13. The inner wall of the moving plate 11 is equipped with a smart sensor. During testing, the motor is started via the control console. The motor's operation drives the threaded rod 10 to rotate through its output end. The rotation of the threaded rod 10 causes it to contact the inner wall of the moving plate 11 through its circumferential threaded groove, thereby causing the moving plate 11 to move downwards. The downward movement of the moving plate 11 causes the telescopic rod 12 to retract and rotate through its hinge point. The rotation of the telescopic rod 12 causes it to move outwards through its hinge point with the extension rod 15. The outward movement of the extension rod 15 causes it to contact the inner wall of the container bag, thus allowing the container bag to be stretched and tightened. This more realistically simulates the stress state under actual use, thereby improving the accuracy of the test results. It also allows for the timely detection and repair of problems in the production process, reducing rework and waste caused by quality issues, and ultimately improving production efficiency.

[0017] Working principle: When testing the FIBC (Flexible Intermediate Bulk Container), the operator manually rotates the threaded rod 7, which causes the long plate 6 to move downward, thereby pressing the FIBC around the inside of the hook 5. At the same time, the sliding column 2 moves downward and is cushioned by the spring between it and the test frame 1, which can reduce damage caused by impact or vibration during transportation and use, and improve the safety of the FIBC. The application of the cushioning device helps to improve the testing effect of the product. During the test, the threaded rod 10 rotates and causes the extension rod 15 to move around and contact the inner wall of the FIBC. The extension rod 15 can then stretch and tighten the FIBC, which can more realistically simulate its stress state in actual use, thereby improving the accuracy of the test results.

[0018] Please see Figures 1-7 Based on the above embodiments, in another embodiment of the present invention, the extrusion mechanism 8 includes a sliding plate 81, a round rod 82 is fixedly connected to the bottom of the sliding plate 81, and a pressure plate 83 is fixedly connected to the bottom of the round rod 82. While the equipment is being tensioned, the moving plate 11 moves downward and contacts the top of the sliding plate 81 at its bottom, thereby causing the sliding plate 81 to move downward. The downward movement of the sliding plate 81 is buffered by a spring. At the same time, the sliding plate 81 drives the round rod 82 to move, and the round rod 82 drives the pressure plate 83 to move. The pressure plate 83 moves and contacts the container bag, causing the pressure plate 83 to press and stretch into the container bag. The tension is then detected by the sensor inside the moving plate 11, which can more realistically simulate the stress state of the container bag in actual use, thereby improving the accuracy of the detection results, reducing rework and waste caused by quality problems, and thus improving production efficiency. The inner wall of test frame 1 is slidably connected to a protective plate 84, the inner wall of test frame 1 is fixedly connected to a positioning rod 85, and the inner wall of test frame 1 is rotatably connected to a threaded rod 86; the bottom of the sliding plate 81 is fixedly connected to the fixed plate 14 by a spring, and the inner wall of the sliding plate 81 is slidably connected to the circumferential surface of the threaded rod 10, the inner wall of the sliding plate 81 is slidably connected to the circumferential surface of the limiting rod 13, and the sliding plate 81 moves on the movement trajectory of the limiting rod 13; the circumferential surface of the round rod 82 contacts the inner wall of the fixed plate 14; the inner wall of the protective plate 84 contacts the circumferential surface of the positioning rod 85; the inner wall of the protective plate 84 is threadedly connected to the circumferential surface of the threaded rod 86; a motor is fixedly connected to the top of test frame 1, the output end of the motor is fixedly connected to the top of the threaded rod 86; and transparent glass is fixedly connected to the inner wall of the protective plate 84. During testing, to prevent the equipment from rupturing the container bag and injuring the personnel, the motor can be started. The motor will drive the threaded rod 86 to rotate through its output end. The rotation of the threaded rod 86 will cause it to contact the protective plate 84 through the threaded groove on its circumferential surface, thereby moving the protective plate 84 for protection. At the same time, the protective plate 84 will slide along the positioning rod 85. Observation can be made through the transparent glass of the protective plate 84, effectively preventing the equipment from being damaged by external environmental factors such as dust, moisture, and impact. This protects the safety and normal operation of the internal components, prevents damage to the equipment caused by external factors, and improves the stability and reliability of the equipment.

[0019] Working principle: While the equipment is being tensioned, the moving plate 11 drives the pressure plate 83 to press and stretch the FIBC (Flexible Intermediate Bulk Container) inside. The tension is then detected by the sensor inside the moving plate 11, which can more realistically simulate the stress state of the FIBC in actual use, thereby improving the accuracy of the test results, reducing rework and waste caused by quality problems, and thus improving production efficiency. During the test, the motor will drive the threaded rod 86 to rotate through the output end. The threaded rod 86 drives the protective plate 84 to move and protect the internal components, thereby protecting the equipment from damage caused by external factors and improving the stability and reliability of the equipment.

[0020] The anti-loosening mechanism 9 includes a positioning block 91, a rotating plate 92 rotatably connected to the inner wall of the positioning block 91 via a torsion spring, a roller 93 rotatably connected to the inner wall of the rotating plate 92, a limit plate 94 fixedly connected to the bottom of the positioning block 91, and a snap fastener 95 fixedly connected to the outer surface of the protective plate 84. While providing protection, to prevent the protective plate 84 from becoming loose, the movement of the protective plate 84 causes the locking buckle 95 to move. The locking buckle 95 moves along the movement trajectory of the roller 93. At this time, the locking buckle 95 will contact the circumferential surface of the roller 93 through the inclined surface, thereby driving the roller 93 to rotate. The roller 93 drives the rotating plate 92 to rotate. When the roller 93 enters the interior of the locking buckle 95, the round rod 82 will be reset by the torsion spring between it and the positioning block 91. At this time, the roller 93 is reset, which will make the roller 93 cooperate with the locking buckle 95 to self-lock the protective plate 84, preventing the equipment or container from opening or falling off due to accidents or vibrations during use, thereby improving the safety of the equipment or container. The self-locking design can effectively avoid accidents and misoperations, improve the safety of equipment and systems, protect personnel and equipment from damage, and make the detection more stable. The two sides of the pressure plate 83 are rotatably connected to the flipping plate 97, the inner wall of the flipping plate 97 is rotatably connected to the roller 98, and the top of the flipping plate 97 is hinged to the telescopic rod 96; the positioning block 91 is fixedly connected to the outer surface of the test frame 1, the side of the rotating plate 92 close to the test frame 1 contacts the limiting plate 94, the snap buckle 95 moves on the movement trajectory of the roller 93, and the side of the telescopic rod 96 away from the flipping plate 97 is hinged to the front and rear sides of the fixed plate 14. While the container bag is being squeezed, the movement of the pressure plate 83 will cause the flipping plate 97 to move, which in turn causes the roller 98 to move. The roller 98 contacts the container bag, thereby increasing the squeezing contact area. At this time, the telescopic rod 96 will rotate and extend the flipping plate 97 through the hinge points on the front and rear sides of the fixed plate 14. The flipping plate 97 will then rotate and extend the roller 98, thereby increasing the contact area. By pressing down and extending to both sides, the stress state of the container bag in actual use can be simulated more realistically, thereby improving the accuracy of the test results, reducing rework and waste caused by quality problems, and thus improving production efficiency.

[0021] Working principle: While providing protection, the protective plate 84 drives the roller 93 to work with the snap fastener 95 to lock itself, preventing the equipment or container from opening or falling off due to accidents or vibrations during use, thereby improving the safety of the equipment or container; while squeezing the FIBC, the pressure plate 83 moves and drives the roller 98 to rotate and extend, thereby increasing the contact area. By pressing down and extending to both sides, it can more realistically simulate the stress state of the FIBC in actual use, thereby improving the accuracy of the test results.

[0022] This invention provides a quality inspection device for FIBC (Flexible Intermediate Bulk Container) production based on intelligent sensors. Many methods and approaches exist for implementing this technical solution; the above description is merely a preferred embodiment. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications should also be considered within the scope of protection of this invention. All components not explicitly stated in this embodiment can be implemented using existing technologies.

Claims

1. A quality inspection device for the production of container bags based on intelligent sensors, comprising a test rack (1), characterized in that: The inner wall of the test frame (1) is slidably connected to a sliding column (2) via a spring. A circular plate (4) is fixedly connected to the bottom of the sliding column (2). The top of the circular plate (4) is fixedly connected to the bottom of a limiting column (3). A hook (5) is fixedly connected to the bottom of the circular plate (4). A long plate (6) is slidably connected to the circumferential surface of the hook (5). A threaded rod (7) is rotatably connected to the inner wall of the circular plate (4). A threaded rod (10) is rotatably connected to the inner wall of the test frame (1). A moving plate (11) is threadedly connected to the circumferential surface of the threaded rod (10). A telescopic rod (12) is rotatably connected to the inner wall of the moving plate (11). A limiting rod (13) is fixedly connected to the inner wall of the test frame (1). A fixed plate (14) is fixedly connected to the bottom of the limiting rod (13). An extension rod (15) is slidably connected to the inner wall of the test frame (1).

2. The quality inspection device for FIBC production based on intelligent sensors according to claim 1, characterized in that: The inner wall of the test frame (1) is provided with a squeezing mechanism (8) to help the equipment detect tension, and the outer surface of the test frame (1) is provided with an anti-loosening mechanism (9) to prevent the equipment from loosening during operation.

3. A quality inspection device for FIBC production based on intelligent sensors according to claim 2, characterized in that: The inner wall of the test frame (1) is slidably connected to the circumferential surface of the limiting post (3), the inner wall of the sliding post (2) is fixedly connected to the limiting post (3), the inner wall of the long plate (6) is threadedly connected to the circumferential surface of the threaded rod (7), a motor is fixedly connected to the top of the test frame (1), the output end of the motor is fixedly connected to the top of the threaded rod (10), the side of the telescopic rod (12) away from the moving plate (11) is hinged to the extension rod (15), the inner wall of the moving plate (11) is in contact with the circumferential surface of the limiting rod (13), and the moving plate (11) moves on the movement trajectory of the limiting rod (13). A smart sensor is installed on the inner wall of the moving plate (11).

4. A quality inspection device for FIBC production based on intelligent sensors according to claim 3, characterized in that: The extrusion mechanism (8) includes a sliding plate (81), a round rod (82) is fixedly connected to the bottom of the sliding plate (81), and a pressure plate (83) is fixedly connected to the bottom of the round rod (82).

5. A quality inspection device for FIBC production based on intelligent sensors according to claim 4, characterized in that: The inner wall of the test frame (1) is slidably connected to a protective plate (84), the inner wall of the test frame (1) is fixedly connected to a positioning rod (85), and the inner wall of the test frame (1) is rotatably connected to a threaded rod (86).

6. A quality inspection device for FIBC production based on intelligent sensors according to claim 5, characterized in that: The bottom of the sliding plate (81) is fixedly connected to the fixed plate (14) by a spring, and the inner wall of the sliding plate (81) is slidably connected to the circumferential surface of the threaded rod (10). The inner wall of the sliding plate (81) is slidably connected to the circumferential surface of the limiting rod (13), and the sliding plate (81) moves on the movement trajectory of the limiting rod (13). The circumferential surface of the round rod (82) is in contact with the inner wall of the fixed plate (14). The inner wall of the protective plate (84) is in contact with the circumferential surface of the positioning rod (85). The inner wall of the protective plate (84) is threadedly connected to the circumferential surface of the threaded rod (86). A motor is fixedly connected to the top of the test frame (1). The output end of the motor is fixedly connected to the top of the threaded rod (86). A transparent glass is fixedly connected to the inner wall of the protective plate (84).

7. A quality inspection device for FIBC production based on intelligent sensors according to claim 6, characterized in that: The anti-loosening mechanism (9) includes a positioning block (91), the inner wall of the positioning block (91) is rotatably connected to a rotating plate (92) via a torsion spring, the inner wall of the rotating plate (92) is rotatably connected to a roller (93), the bottom of the positioning block (91) is fixedly connected to a limiting plate (94), and the outer surface of the protective plate (84) is fixedly connected to a snap fastener (95).

8. A quality inspection device for FIBC production based on intelligent sensors according to claim 7, characterized in that: The pressure plate (83) is rotatably connected to both sides of a flipping plate (97), and a roller (98) is rotatably connected to the inner wall of the flipping plate (97). A telescopic rod (96) is hinged to the top of the flipping plate (97).

9. A quality inspection device for FIBC production based on intelligent sensors according to claim 8, characterized in that: The positioning block (91) is fixedly connected to the outer surface of the test frame (1), the rotating plate (92) is in contact with the limiting plate (94) on the side of the test frame (1), the snap fastener (95) moves on the movement trajectory of the roller (93), and the telescopic rod (96) is hinged to the front and rear sides of the fixed plate (14) on the side away from the flipping plate (97).

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