Sealing bottom sealing performance detection device for square bottom valve bag production

Abstract

The utility model discloses a back cover sealing performance detection device for square bottom valve bag production in the technical field of square bottom valve bag production, which comprises a working table, two threaded rods are rotatably connected on the working table, the two threaded rods are in transmission connection, two pressing plates are arranged between the two threaded rods, an inflation mechanism is arranged on the working table, and the inflation mechanism is connected with the two pressing plates. The inflation mechanism is located between the two pressing plates, a rotating column is rotationally connected to the workbench, a fixing frame is installed on the rotating column, a detection mechanism is installed on the fixing frame, a marking mechanism is arranged on the fixing frame, a reduction gearbox is installed on the lower side of the workbench, the rotating column is in transmission connection with the reduction gearbox, and a driving motor is installed on the workbench. The output end of the driving motor is in transmission connection with one of the threaded rods, so that the air tightness of the bag body is effectively detected, the production quality is guaranteed, the air leakage condition of the product in the production process is prevented, and the production quality is further guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of square bottom valve bag production, in particular to a bottom sealing sealing detection device used for square bottom valve bag production. Background Art

[0002] Square bottom valve bag is a small bulk packaging container, which is convenient, neat and has good sealing performance. It is one of the most popular packaging materials in the world, especially suitable for export packaging. Square bottom valve bag is based on paper-plastic composite bag or kraft paper bag. The specifications and dimensions are based on customer requirements. Environmentally friendly glue is used and it is manually folded to make a packaging bag with upper and lower seals or lower seal and upper opening. When the base is sealed, people usually seal it with glue, but after sealing, the sealing performance cannot be guaranteed. Therefore, a device that can detect the sealing quality is needed to ensure the glue sealing quality of the equipment, prevent air leakage in the production process, and further improve the production quality of the equipment.

[0003] Based on this, the utility model designs a bottom sealing detection device for the production of square bottom valve bags to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a bottom sealing detection device for square bottom valve bag production to solve the problem in the above background technology that the sealing quality of the equipment cannot be guaranteed and the sealing cannot be detected after sealing.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bottom sealing detection device for the production of square bottom valve bags, comprising a workbench, two threaded rods rotatably connected to the workbench, the two threaded rods are transmission connected, two pressing plates are arranged between the two threaded rods, an inflation mechanism is arranged on the workbench, the inflation mechanism is located between the two pressing plates, a rotating column is rotatably connected to the workbench, a fixing frame is installed on the rotating column, a detection mechanism is installed on the fixing frame, a marking mechanism is provided on the fixing frame, a reduction box is installed on the lower side of the workbench, the rotating column and the reduction box are transmission connected, a driving motor is installed on the workbench, and the output end of the driving motor is transmission connected to one of the threaded rods.

[0007] Preferably, one of the pressing plates is rotatably connected to the threaded rod, and the other pressing plate is threadably connected to the threaded rod. A sealing gasket is provided on the inner side of the pressing plate, and the pressing plate is concave.

[0008] Preferably, the inflation mechanism comprises a booster box and a pump, the booster box is installed on the workbench, and the pump is installed on the booster box.

[0009] Preferably, the detection mechanism includes a sliding rod, a spring, a force plate, a contactor and an alarm. The sliding rod is slidably connected to the fixed frame, the sliding rod is sleeved with a spring, a force plate is installed at one end of the sliding rod, a contactor is installed at the other end of the sliding rod, an alarm is installed on the fixed frame, another contactor is provided at the lower side of the alarm, and the two contactors are movably connected.

[0010] Preferably, the marking mechanism comprises a hydraulic rod and a marking pen, the hydraulic rod is mounted on the fixed frame, the marking pen is mounted on one end of the hydraulic rod, and a self-locking component is mounted on the rotating column.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model uses the initial state of the equipment in which the fixed frame and the workbench are in a vertical state, at which time the two pressing plates are away from each other, and then the bag body is placed between the two pressing plates so that the booster box in the inflation mechanism is located inside the bag body, and then the driving motor is controlled to work. When the driving motor is working, the driving motor drives the threaded rod to rotate, so that one of the pressing plates gradually approaches the other pressing plate, and at the same time the reduction box controls the rotation column to rotate, so that the fixed frame gradually tilts, and when the two pressing plates are completely close, the fixed frame is parallel to the workbench at the same time, and the bag body is located at the lower side of the fixed frame, and then the pump is controlled to generate air pressure, and the gas is used to inflate the bag body through the booster box, and when the bag body is inflated, the bag body can squeeze the force-bearing plate to make it rise, and at this time the sliding rod moves upward Sliding and compressing the spring at the same time, the contactor is energized, and then the alarm is activated. Then, according to the bulging time of the bag, the operation of the alarm is observed. When the alarm always maintains electrical connection within a certain period of time, it can be considered that the bag is airtight and there is no leakage. On the contrary, when the bag leaks, the contactor moves away, and the alarm is powered off. It can be determined that the bag is leaking. At the same time, the hydraulic rod drops, allowing the marking pen to complete the marking, thereby effectively completing the bag sealing test and marking the leaking bag. Leaking bags can be marked at the same time, thereby avoiding leakage in the glue-coated part on the back side of the bag, further avoiding leakage in the bag during the production process, and improving the production quality of the bag, avoiding manual inspection, and improving the accuracy of inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is a schematic diagram of the structure of the utility model from the front side perspective;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model from a rear side perspective;

[0016] Figure 3 This is a schematic diagram of the structure of the utility model from a lower side perspective;

[0017] Figure 4 It is a schematic diagram of the structure of the utility model from a partial lower side perspective.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Workbench; 2. Threaded rod; 3. Pressing plate; 4. Inflating mechanism; 5. Pressurizing box; 6. Pump; 7. Rotating column; 8. Fixed frame; 9. Detection mechanism; 10. Sliding rod; 11. Spring; 12. Force plate; 13. Contactor; 14. Alarm; 15. Marking mechanism; 16. Hydraulic rod; 17. Marking pen; 18. Self-locking assembly; 19. Reducer; 20. Drive motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0022] A bottom sealing detection device for the production of square bottom valve bags includes a workbench 1, on which two threaded rods 2 are rotatably connected, the two threaded rods 2 are transmission-connected, two pressing plates 3 are arranged between the two threaded rods 2, an inflation mechanism 4 is arranged on the workbench 1, the inflation mechanism 4 is located between the two pressing plates 3, a rotating column 7 is rotatably connected to the workbench 1, a fixing frame 8 is installed on the rotating column 7, a detection mechanism 9 is installed on the fixing frame 8, a marking mechanism 15 is arranged on the fixing frame 8, a reduction box 19 is installed on the lower side of the workbench 1, the rotating column 7 and the reduction box 19 are transmission-connected, a driving motor 20 is installed on the workbench 1, and the output end of the driving motor 20 is transmission-connected to one of the threaded rods 2.

[0023] Among them, one of the pressing plates 3 is rotatably connected to the threaded rod 2, and the other pressing plate 3 is threadedly connected to the threaded rod 2. A sealing gasket is provided on the inner side of the pressing plate 3, and the pressing plate 3 is concave; it is convenient to press the bag body so that one end of it is in a sealed state and the other end is in a glued state, thereby completing the sealing test of the equipment.

[0024] Among them, the inflation mechanism 4 includes a booster box 5 and a pump 6. The booster box 5 is installed on the workbench 1, and the pump 6 is installed on the booster box 5; it is convenient to fill an appropriate amount of high-pressure gas into the bag body, so that the bag body bulges, and then it is convenient to detect the bag body.

[0025] Among them, the detection mechanism 9 includes a slide bar 10, a spring 11, a force plate 12, a contactor 13 and an alarm 14. The slide bar 10 is slidably connected to the fixed frame 8, the slide bar 10 is sleeved with a spring 11, one end of the slide bar 10 is installed with a force plate 12, the other end of the slide bar 10 is installed with a contactor 13, the fixed frame 8 is installed with an alarm 14, and another contactor 13 is provided on the lower side of the alarm 14. The two contactors 13 are movably connected; it is convenient to test the sealing of the bag body according to the bulging time, making it more convenient and quick during detection, and the detection quality is more accurate.

[0026] Among them, the marking mechanism 15 includes a hydraulic rod 16 and a marking pen 17. The hydraulic rod 16 is installed on the fixed frame 8, the marking pen 17 is installed at one end of the hydraulic rod 16, and a self-locking component 18 is installed on the rotating column 7; it is convenient to mark bags with poor sealing, so that the staff can remove them easily.

[0027] Working principle: in the initial state of the equipment, the fixed frame 8 and the workbench 1 are in a vertical state, at which time the two pressing plates 3 are away from each other, and then the bag is placed between the two pressing plates 3 so that the booster box 5 in the inflation mechanism 4 is located inside the bag, and then the drive motor 20 is controlled to work. When the drive motor 20 is working, the drive motor 20 drives the threaded rod 2 to rotate, so that one of the pressing plates 3 gradually approaches the other pressing plate 3, and at the same time the reduction box 19 controls the rotating column 7 to rotate, so that the fixed frame 8 gradually tilts, and when the two pressing plates 3 are completely close, the fixed frame 8 is parallel to the workbench 1 at the same time, and the bag is located on the lower side of the fixed frame 8, and then the pump 6 is controlled to generate air pressure, and the gas is used through the booster box 5 to inflate the bag. When the bag is inflated, the bag can squeeze the force-bearing plate 12 to make it rise, and at this time the slide The rod 10 slides upward and compresses the spring 11 at the same time, so that the contactor 13 is energized, and then the alarm 14 is activated. Then, according to the swelling time of the bag, the operation of the alarm 14 is observed. When the alarm 14 always maintains electrical connection within a period of time, the bag is airtight and no leakage occurs. On the contrary, when the bag leaks, the contactor 13 moves away, and the alarm 14 is powered off. It can be determined that the bag is leaking. At the same time, the hydraulic rod 16 descends, so that the marking pen 17 completes the marking, thereby effectively completing the inspection of the bag's sealing performance. At the same time, the leaking bag can be marked, thereby avoiding leakage in the glue-coated part on the rear side of the bag, further avoiding leakage in the bag during the production process, and improving the production quality of the bag, avoiding manual inspection, and improving the accuracy of the inspection.

Claims

1. A bottom seal tightness detection device for producing square bottom valve bags, comprising a workbench (1), characterized in that: Two threaded rods (2) are rotatably connected to the workbench (1), and the two threaded rods (2) are transmission-connected. Two pressing plates (3) are arranged between the two threaded rods (2). An inflation mechanism (4) is arranged on the workbench (1), and the inflation mechanism (4) is located between the two pressing plates (3). A rotating column (7) is rotatably connected to the workbench (1), and a fixing frame (8) is installed on the rotating column (7). A detection mechanism (9) is installed on the fixing frame (8), and a marking mechanism (15) is provided on the fixing frame (8). A reduction box (19) is installed on the lower side of the workbench (1), and the rotating column (7) and the reduction box (19) are transmission-connected. A driving motor (20) is installed on the workbench (1), and the output end of the driving motor (20) is transmission-connected to one of the threaded rods (2).

2. The bottom seal tightness detection device for producing square bottom valve bags according to claim 1 is characterized in that: One of the pressing plates (3) is rotatably connected to the threaded rod (2), and the other pressing plate (3) is threadably connected to the threaded rod (2). A sealing gasket is provided on the inner side of the pressing plate (3), and the pressing plate (3) is concave.

3. The bottom seal tightness detection device for producing square bottom valve bags according to claim 1 is characterized in that: The inflation mechanism (4) comprises a booster box (5) and a pump (6); the booster box (5) is installed on the workbench (1), and the pump (6) is installed on the booster box (5).

4. The bottom seal tightness detection device for producing square bottom valve bags according to claim 1 is characterized in that: The detection mechanism (9) comprises a slide bar (10), a spring (11), a force plate (12), a contactor (13) and an alarm (14); the slide bar (10) is slidably connected to the fixed frame (8); the slide bar (10) is sleeved with a spring (11); one end of the slide bar (10) is mounted with a force plate (12); the other end of the slide bar (10) is mounted with a contactor (13); the fixed frame (8) is mounted with an alarm (14); another contactor (13) is arranged at the lower side of the alarm (14); and the two contactors (13) are movably connected.

5. The bottom seal tightness detection device for producing square bottom valve bags according to claim 1 is characterized in that: The marking mechanism (15) comprises a hydraulic rod (16) and a marking pen (17); the hydraulic rod (16) is mounted on the fixed frame (8); the marking pen (17) is mounted on one end of the hydraulic rod (16); and a self-locking component (18) is mounted on the rotating column (7).

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