A ton bag inflation testing device
By designing the clamping and actuating components, the problem of the air injection pipe not being able to fix the ton bag in the ton bag inflation test equipment was solved, achieving a more stable and accurate test result.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-28
- Publication Date
- 2026-06-05
AI Technical Summary
The existing ton bag inflation testing equipment cannot secure the ton bag to the periphery of the inflation tube, resulting in errors in the testing data and affecting the operation results.
The clamping device, driven by an actuator, clamps and secures the ton bag outside the inflation tube. Combined with the design of the rotating plate and the drive component, it ensures that the ton bag is firmly clamped during inflation.
It improves the stability and accuracy of the inspection process, reduces errors in inspection data, and enhances the inspection results.
Smart Images

Figure CN224327854U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of gas testing equipment for ton bag processing, and in particular to a ton bag inflation testing device. Background Technology
[0002] Ton bags are flexible transport packaging containers made of polyester fibers such as polypropylene and polyethylene. They have advantages such as moisture resistance, dust resistance, radiation resistance, and robustness and safety. Because ton bags are very convenient to load, unload, and handle, significantly improving efficiency, they have been widely used in various industries in recent years.
[0003] Some ton bags used to hold liquids or powders need to be airtight during production. After the ton bags are sewn, the workers will send them to the quality inspection station to inspect their appearance, sewing lines, etc. During the operation, the ton bag is usually inverted so that the material outlet at the top is aligned with the gas outlet of the air pressure equipment and air is injected into the ton bag to make it full. At the same time, the ton bag is slowly rotated to observe whether there is any damage to the appearance of the ton bag and whether the sewing lines are neat. After the inspection is completed, it is sent to the next stage.
[0004] However, the air outlet of existing testing equipment is usually a pipe that gradually narrows upwards. During operation, the pipe is inserted deep into the ton bag for air injection. Because the ton bag needs to be rotated to observe its appearance during the testing process, there is no function to fix the ton bag around the injection pipe. During the air injection process, the ton bag is not only prone to moving upwards with the airflow and detaching from the injection pipe, but also the upper limit of the air injection pressure into the ton bag is relatively low, resulting in certain errors in the sealing test data and poor operating results. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a ton bag inflation inspection device, which solves the problem that the ton bag cannot be fixed around the air injection pipe in existing technologies, resulting in errors in inspection data and affecting the work effect.
[0006] According to an embodiment of this utility model, a ton bag inflation inspection device includes a housing, an inflation pipe, a rotating plate, a clamping member, an actuating member, and a driving member. The rotating plate is rotatably mounted on the top of the housing. The top of the inflation pipe extends through to the outer center of the top of the rotating plate. The clamping member is distributed in a ring around the outer side of the inflation pipe and is rotatably mounted on the rotating plate. The actuating member is slidably mounted inside the housing and connected to the bottom of the clamping member. The driving member is located on one side of the bottom of the housing and is used to drive the actuating member to clamp the clamping member towards the outside of the inflation pipe.
[0007] In the above embodiment, a box body is set up and a rotating plate is rotatably set on the top of the box body. The air injection pipe is set on the rotating plate. Specifically, the air inlet of the ton bag is aligned with the air injection pipe and inserted downwards. At this time, the air pumping equipment is started to pump a small amount of air into the ton bag through the air injection pipe. At the same time, the driving component is started, and the driving component drives the actuating component to move upwards. The actuating component moves upwards and drives the clamping component to approach and clamp the ton bag opening on the air injection pipe. After the clamping component firmly clamps the air injection pipe, the air pumping equipment can output at full power to quickly fill the ton bag. At this time, the appearance and sealing performance of the ton bag can be initially inspected.
[0008] In some embodiments, a circular through hole for rotatably mounting the rotating plate is provided at the center of the top of the housing, and a plurality of rectangular through holes adapted to the clamping member are provided in a ring around the axis of the air injection pipe at the top of the rotating plate.
[0009] In some embodiments, the clamping member includes a plurality of rotating shafts rotatably disposed within a plurality of rectangular through holes and a plurality of rotating cranks respectively sleeved outside the plurality of rotating shafts. A pressure strip is fixedly disposed on the side of the top of each of the plurality of rotating cranks near the air injection pipe. The bottom of each of the plurality of rotating cranks is rotatably connected to the top of the actuator, and the bottom of the actuator is connected to the driving member.
[0010] In some embodiments, the air injection tube is externally fitted with a sealing ring adapted to a plurality of the pressure strips.
[0011] In some embodiments, the actuator includes a plurality of connecting rods rotatably connected to the bottom of a plurality of rotating cranks and a movable cylinder slidably sleeved on the outer side of the middle portion of the air injection pipe. The top outer side of the movable cylinder is rotatably connected to a rotating ring rotatably connected to the bottom end of the plurality of connecting rods. The outer side of the movable cylinder is slidably connected to the middle portion of the housing. The bottom outer side of the movable cylinder is threadedly sleeved with a threaded sleeve connected to the driving component. The top of the threaded sleeve is rotatably connected to the inner wall of the middle portion of the housing.
[0012] In some embodiments, the driving component includes a toothed ring fixedly sleeved outside the threaded sleeve and a motor fixedly installed at the bottom of the housing, wherein a gear meshing with the toothed ring is fixedly disposed on the top of the output shaft of the motor.
[0013] In some embodiments, the gas injection tube is provided with a one-way seal.
[0014] Compared with the prior art, this utility model has the following advantages: by adopting an operation method in which the actuator drives the clamping component to clamp and fix the ton bag on the outside of the air injection pipe, it solves the technical problem that the ton bag cannot be fixed around the air outlet pipe of the existing air testing equipment, which leads to errors in the test data and affects the operation effect. Thus, it achieves the technical effect of improving the stability of the operation process and improving the accuracy of the test. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;
[0016] Figure 2 This is a cross-sectional structural diagram of the clamping member in a closed state according to an embodiment of the present utility model;
[0017] Figure 3 for Figure 1 A schematic diagram of the back cross-sectional structure;
[0018] Figure 4 This is a cross-sectional structural diagram of the clamping member in an open state according to an embodiment of the present utility model;
[0019] Figure 5 for Figure 4 A frontal view of the structure.
[0020] In the above figures: 100, housing; 110, circular through hole; 120, fixing plate; 200, air injection pipe; 300, rotating plate; 310, rectangular through hole; 400, clamping component; 410, rotating shaft; 420, rotating crank; 430, pressure strip; 440, sealing ring; 500, actuating component; 510, connecting rod; 520, moving cylinder; 530, rotating ring; 540, threaded sleeve; 600, driving component; 610, gear ring; 620, motor; 630, gear; 700, one-way seal; 710, fixing ring; 720, sliding hole; 730, sliding rod; 740, sealing plate; 750, spring. Detailed Implementation
[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.
[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "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 are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 utility model.
[0023] In an exemplary implementation, such as Figures 1-5 As shown, this embodiment provides a ton bag inflation inspection device, including a box 100, an inflation pipe 200, a rotating plate 300, a clamping member 400, an actuating member 500, and a driving member 600. The rotating plate 300 is rotatably mounted on the top of the box 100. The top of the inflation pipe 200 extends to the outer side of the center of the top of the rotating plate 300. The clamping member 400 is distributed in a ring on the outer side of the inflation pipe 200 and is rotatably mounted on the rotating plate 300. The actuating member 500 is slidably mounted inside the box 100 and connected to the bottom of the clamping member 400. The driving member 600 is located on one side of the bottom of the box 100 and is used to drive the actuating member 500 to clamp the clamping member 400 to the outside of the inflation pipe 200.
[0024] In this embodiment, the air inlet of the ton bag is aligned with the air injection pipe 200 and inserted downwards. At this time, the air pumping equipment is started to pump a small amount of air into the ton bag through the air injection pipe 200. Simultaneously, the drive unit 600 is started, which drives the actuator 500 to move upwards. The actuator 500 moves upwards and drives the clamping member 400 to approach and clamp the ton bag opening on the air injection pipe 200. After the clamping member 400 firmly clamps the air injection pipe 200, the air pumping equipment can output at full power to quickly fill the ton bag. At this time, the appearance and sealing performance of the ton bag can be initially inspected.
[0025] In one embodiment, please refer to Figures 1-2 The top center of the housing 100 is provided with a circular through hole 110 for rotating and mounting the rotating plate 300. The top of the rotating plate 300 is provided with a number of rectangular through holes 310 that are adapted to the clamping member 400, with the axis of the air injection pipe 200 as the center.
[0026] In this embodiment, the rotating plate 300 is circular and rotatably disposed at the center of the top contour of the box 100. After the ton bag is inflated, the ton bag can be rotated, and the ton bag and the rotating plate 300 rotate together.
[0027] In one embodiment, please refer to Figures 1-5The clamping member 400 includes several rotating shafts 410 rotatably disposed in several rectangular through holes 310 and several rotating cranks 420 respectively sleeved on the outside of the several rotating shafts 410. Each of the several rotating cranks 420 has a pressure strip 430 fixedly disposed on the side of its top end near the air injection pipe 200. The bottom of each of the several rotating cranks 420 is rotatably connected to the top of the actuator 500. The bottom of the actuator 500 is connected to the drive member 600.
[0028] In this embodiment, the actuator 500 can move up and down under the drive of the drive member 600. When the actuator 500 moves upward, the bottom ends of several rotating cranks 420 will move away from each other, so that the rotating cranks 420 rotate outside the rotating shaft 410. The upper parts of the rotating cranks 420 will move closer to each other until several rotating cranks 420 drive the corresponding pressure strips 430 to move closer to each other and contact the outside of the air injection pipe 200, thereby pressing down the air inlet of the ton bag outside the air injection pipe 200. The actuator 500 can then move downward to release the ton bag.
[0029] Please refer to Figure 2 The air injection pipe 200 is externally fixed with a sealing ring 440 that is compatible with several pressure strips 430. The sealing ring 440 can improve the clamping stability and ensure the working effect.
[0030] In one embodiment, please refer to Figures 1-5 The actuator 500 includes several connecting rods 510 that are rotatably connected to the bottom of several rotating cranks 420, and a movable cylinder 520 that is slidably sleeved on the outer side of the middle part of the air injection pipe 200. The top outer side of the movable cylinder 520 is rotatably connected to a rotating ring 530 that is rotatably connected to the bottom end of several connecting rods 510. The outer side of the movable cylinder 520 is slidably connected to the middle part of the housing 100. The bottom outer side of the movable cylinder 520 is threaded with a threaded sleeve 540 that is connected to the drive member 600. The top of the threaded sleeve 540 is rotatably connected to the inner wall of the middle part of the housing 100.
[0031] In this embodiment, the driving component 600 drives the screw sleeve 540 to rotate outside the moving cylinder 520. Since the screw sleeve 540 and the moving cylinder 520 are threadedly connected, the inner wall of the moving cylinder 520 is slidably connected to the middle outer wall of the air injection pipe 200. The rotation of the screw sleeve 540 can cause the moving cylinder 520 to move up and down. The up and down movement of the moving cylinder 520 can drive the corresponding rotating crank 420 to rotate through several connecting rods 510, thereby realizing clamping or releasing.
[0032] The inner wall of the movable cylinder 520 is slidably connected to the outer side of the air injection pipe 200. A guide bar parallel to the axis of the air injection pipe 200 can be provided on the outer side of the air injection pipe 200. A sliding groove adapted to the guide bar is opened on the inner wall of the movable cylinder 520 to ensure the stability of the up and down movement of the movable cylinder 520. This is the existing connection structure, which is not shown in the figure and will not be described in detail.
[0033] Please refer to Figures 2-4 A fixed plate 120 is provided in the middle of the housing 100, and a movable cylinder 520 passes through the middle of the fixed plate 120. At the same time, the top of the screw sleeve 540 is rotatably connected to the bottom of the fixed plate 120.
[0034] In one embodiment, please refer to Figure 2 and Figure 4 The drive unit 600 includes a gear ring 610 fixedly sleeved on the outside of the screw sleeve 540 and a motor 620 fixedly installed at the bottom of the housing 100. The top of the output shaft of the motor 620 is fixedly provided with a gear 630 that meshes with the gear ring 610.
[0035] In this embodiment, the motor 620 can drive the gear ring 610 to rotate through the meshing of the gear 630. The gear ring 610 rotates together with the screw sleeve 540, thereby causing the moving cylinder 520 to move upward or downward.
[0036] In one embodiment, please refer to Figure 3 The air injection pipe 200 is provided with a one-way seal 700. The one-way seal 700 includes a fixing ring 710 that is fixedly connected to the inner wall of the air injection pipe 200. The top of the fixing ring 710 is provided with a plurality of sliding holes 720 in an annular shape. A sliding rod 730 is slidably arranged in each of the plurality of sliding holes 720. The bottom of the sliding rod 730 is provided with a sealing plate 740 that contacts the top of the fixing ring 710. A spring 750 is sleeved on the outer side of the bottom of the sliding rod 730 and fixedly connected to the bottom of the fixing ring 710. The bottom end of the spring 750 is fixedly connected to the bottom of the sliding rod 730.
[0037] In this embodiment, the airflow enters through the bottom of the air injection pipe 200 and pushes the sealing plate 740 above the fixing ring 710 upward. The sealing plate 740 drives the slide rod 730 to move upward and compress the spring 750, thereby creating a gap between the fixing ring 710 and the sealing plate 740, allowing air to enter the ton bag. After a certain amount of air is pumped into the ton bag, the pumping is stopped. Under the restoring force of the spring 750, the sealing plate 740 and the fixing ring 710 re-contact and seal the gap, allowing the air in the ton bag to be temporarily stored inside, thereby reducing the energy consumption of the pumping equipment and extending its service life.
[0038] To better understand this utility model, the following is combined with... Figures 1 to 5The technical solution of this utility model is described in detail as follows: In use, align the air inlet of the ton bag with the air injection pipe 200 and insert it downwards. Start the motor 620. The motor 620 can drive the gear ring 610 to rotate through the meshing of the gear 630. The gear ring 610 and the screw sleeve 540 rotate together, thereby causing the moving cylinder 520 to move upwards. The upward movement of the moving cylinder 520 can drive the corresponding rotating crank 420 to rotate through several connecting rods 510, so that the bottom ends of several rotating cranks 420 move away from each other, thereby causing the rotating cranks 420 to rotate outside the rotating shaft 410. The upper parts of the rotating cranks 420 will move closer to each other until several rotating cranks 420 drive the corresponding pressure strips 430 to move closer to each other and contact the outside of the air injection pipe 200, thereby pressing down the air inlet of the ton bag outside the air injection pipe 200, starting the air injection, filling the ton bag, and checking the appearance of the ton bag and whether there is any leakage.
[0039] Furthermore, the ton bag is fixed outside the air injection pipe 200. When the ton bag is rotated, the rotating plate 300, the upper part of the air injection pipe 200, the rotating crank 420 and the connecting rod 510 can rotate together. The bottom end of the connecting rod 510 can rotate on the moving cylinder 520 through the rotating ring 530.
[0040] In summary, this utility model solves the technical problem of existing gas testing equipment where the gas outlet pipe periphery cannot be fixed to the ton bag, resulting in errors in the test data and affecting the work effect, by using the actuator 500 to drive the clamping member 400 to clamp and fix the ton bag on the outside of the gas injection pipe 200. This achieves the technical effect of improving the stability of the operation process and improving the accuracy of the test.
[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A ton bag inflation testing device, comprising a housing and an inflation pipe extending from the bottom to the top of the housing, characterized in that: A rotating plate is rotatably mounted on the top of the housing, and the top of the air injection pipe extends through to the outer center of the top of the rotating plate; A clamping component, which is arranged in a ring around the outside of the air injection pipe and rotatably mounted on the rotating plate; An actuator is slidably mounted inside the housing and connected to the bottom of the clamping member; A driving component is provided on one side of the bottom of the housing and is used to drive the actuator to clamp the clamping component to the outside of the air injection pipe.
2. The ton bag inflation testing device as described in claim 1, characterized in that, The top center of the housing has a circular through hole for rotating the rotating plate. The top of the rotating plate has several rectangular through holes that are adapted to the clamping member, arranged in a ring around the axis of the air injection pipe.
3. The ton bag inflation testing device as described in claim 2, characterized in that, The clamping member includes several rotating shafts rotatably disposed within several rectangular through holes and several rotating cranks respectively sleeved outside the several rotating shafts. Each of the top ends of the several rotating cranks is fixedly provided with a pressure strip on the side near the air injection pipe. The bottom of each of the several rotating cranks is rotatably connected to the top of the actuator, and the bottom of the actuator is connected to the driving member.
4. The ton bag inflation testing device as described in claim 3, characterized in that, The air injection tube is externally fixed with a sealing ring that is compatible with several of the pressure strips.
5. The ton bag inflation testing device as described in claim 3, characterized in that, The actuator includes several connecting rods rotatably connected to the bottom of several rotating cranks and a movable cylinder slidably sleeved on the outer side of the middle part of the air injection pipe. The top outer side of the movable cylinder is rotatably connected to a rotating ring rotatably connected to the bottom end of several connecting rods. The outer side of the movable cylinder is slidably connected to the middle part of the housing. The bottom outer side of the movable cylinder is threaded with a threaded sleeve connected to the driving component. The top of the threaded sleeve is rotatably connected to the inner wall of the middle part of the housing.
6. The ton bag inflation testing device as described in claim 5, characterized in that, The driving component includes a toothed ring fixedly sleeved on the outside of the threaded sleeve and a motor fixedly installed at the bottom of the housing. A gear that meshes with the toothed ring is fixedly installed on the top of the output shaft of the motor.
7. The ton bag inflation testing device as described in claim 1, characterized in that, The gas injection pipe is equipped with a one-way seal.