A waterproof paper bag waterproof testing device

Abstract

This utility model relates to the field of paper bag testing technology, and provides a waterproof paper bag testing device, including a test chamber; a bracket fixedly installed on the side of the test chamber; a protective box fixedly connected to the top of the test chamber; a servo motor installed inside the protective box; a water storage tank inside the test chamber; a water collection tank on one side of the water storage tank; and a circulating water pump installed inside the water collection tank. The circulating water pump can transport the water inside the water storage tank, achieving the effect of circulating water. The waterproof paper bag testing device provided by this solution, through a closed-loop circulation pipeline system composed of a circulating water pump, a first connecting pipe, a nozzle, a water storage tank, and a water collection tank, transforms the test water from disposable consumption to recycling, fundamentally solving the problem of serious water waste in the prior art. The measured daily water saving rate exceeds 90%, significantly reducing production costs.

Description

Technical Field

[0001] This utility model belongs to the field of paper bag testing technology, and in particular relates to a waterproof paper bag waterproof testing device. Background Technology

[0002] Waterproof paper bag testing equipment is a professional instrument used to evaluate the sealing and waterproof performance of paper bags. It mainly tests the performance by simulating environmental conditions such as water pressure, immersion, or spraying. The laboratory spraying system uses a shower head device (flow rate 1800ml / min) operated manually by the experimenter to perform the spraying test. The test needs to be carried out twice a day, each lasting 30 minutes. During this process, the water is directly discharged into the sewer.

[0003] However, during the continuous experimentation and monitoring process, our laboratory observed that the single-bag testing mode limited the efficiency of quality monitoring and could not achieve the ideal sampling effect. In addition, while manual operation of reversing the spraying direction was used to ensure that the water was evenly sprayed on all four sides, it was difficult to guarantee that each side could receive 30 minutes of spraying. Utility Model Content

[0004] This invention provides a waterproof paper bag waterproof testing device, which aims to solve the problem that the single bag testing mode currently used in continuous experiments and monitoring has limited the efficiency of quality monitoring and cannot achieve the ideal sampling effect. In addition, manual operation of spraying in different directions to ensure uniform water spraying on all four sides is difficult to guarantee that each side can be sprayed for 30 minutes.

[0005] This utility model is implemented as follows: a waterproof paper bag waterproof testing device includes a test chamber; a water storage tank and a water collection tank opened inside the test chamber, the water collection tank being connected to the water storage tank; a circulating water pump installed in the water collection tank, a first connecting pipe connected to the outlet of the circulating water pump, and at least one nozzle connected to the first connecting pipe, the spraying area of ​​the nozzle being located above the water storage tank; at least one set of connecting rods rotatably installed above the test chamber, and connecting clips fixed to the bottom end of the connecting rods for clamping the paper bag; and a servo motor installed above the test chamber for driving the connecting rods to rotate.

[0006] Preferably, the water storage tank is configured as a conical structure, and the height of the water collection tank is lower than the height of the water storage tank.

[0007] Preferably, a drain pipe is connected to the bottom of the water storage tank, a water valve is installed on one side of the drain pipe, and a connecting pipe is connected to the side of the water valve away from the drain pipe.

[0008] Preferably, a level detector is installed on the inner side of the water storage tank, and an alarm is installed on the outer side of the test chamber, and the alarm and the level detector are electrically connected.

[0009] Preferably, a first gear is connected to the top of the connecting rod, and the first gear is located inside the protective box and rotatably connected to the protective box.

[0010] Preferably, the number of connecting rods is the same as the number of first gears, and three sets are provided. The top of the first gear in the middle set of the three sets of first gears is connected to the servo motor, and the first gears are meshed with each other by a second gear.

[0011] Preferably, the top of the circulating water pump is connected to a first connecting pipe, and the top of the first connecting pipe is connected to two sets of second connecting pipes, and the second connecting pipes are respectively connected to two sets of nozzles.

[0012] Preferably, the rated flow rate of the circulating water pump is L / h.

[0013] Compared with related technologies, the waterproof paper bag waterproof testing equipment provided by this utility model has the following advantages: 1. By using a closed-loop circulating pipeline system consisting of a circulating water pump, a first connecting pipe, a nozzle, a water storage tank, and a water collection tank, the test water is transformed from a one-time consumption to a recyclable system, fundamentally solving the problem of serious water waste in existing technologies. The measured daily water saving rate exceeds 90%, significantly reducing production costs.

[0014] 2. By setting up three sets of connecting rods and clamps, three waterproof paper bags can be tested simultaneously. Furthermore, the rotating spray method ensures that each side of the paper bag receives uniform spraying with consistent intensity and sufficient time, effectively avoiding accidental errors caused by manual operation, thereby greatly improving the accuracy and reliability of the test results. In addition, the combination of liquid level detector and alarm realizes automatic monitoring and early warning of water level, ensuring the stability and continuity of equipment operation over a long period of time. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of the present utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a schematic diagram of the internal structure of the protective box of this utility model; Figure 4 This is a side sectional view of the present invention. Figure 5 This is a schematic diagram of the bottom structure of this utility model.

[0016] In the diagram: 1. Test chamber; 101. Water storage tank; 102. Water collection tank; 103. Drain pipe; 104. Water valve; 105. Connecting pipe; 2. Bracket; 3. Protective box; 301. Servo motor; 302. Transmission rod; 303. First gear; 304. Second gear; 4. Connecting clamp; 401. Connecting rod; 5. Circulating water pump; 501. First connecting pipe; 502. Second connecting pipe; 6. Nozzle; 7. Liquid level detector; 8. Alarm. Detailed Implementation

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0018] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments. Example 1

[0019] A preferred embodiment of the waterproof paper bag waterproof testing equipment provided by this utility model is, for example... Figures 1 to 5 As shown: A waterproof paper bag waterproof testing device includes a test chamber 1; a water storage tank 101 and a water collection tank 102 opened inside the test chamber 1, the water collection tank 102 being connected to the water storage tank 101; a circulating water pump 5 installed in the water collection tank 102, a first connecting pipe 501 connected to the outlet of the circulating water pump 5, and at least one nozzle 6 connected to the first connecting pipe 501, the spraying area of ​​the nozzle 6 being located above the water storage tank 101; at least one set of connecting rods 401 rotatably installed above the test chamber 1, and connecting clips 4 fixed to the bottom of the connecting rods 401 for clamping the paper bag; and a servo motor 301 installed above the test chamber 1 for driving the connecting rods 401 to rotate.

[0020] It should be noted that some existing waterproof paper bag waterproof testing equipment still has certain shortcomings in actual use. In the comparison document, during continuous experimentation and monitoring, our laboratory observed that the single bag testing mode limits the efficiency of quality monitoring and cannot achieve the ideal sampling inspection effect. In addition, manual operation of reversing the spray to ensure uniform water spraying on all four sides is difficult to guarantee that each side can be sprayed for 30 minutes.

[0021] In this embodiment, by integrating the circulating water pump 5 and the nozzle 6 into a circulating pipeline system, the present invention realizes the recycling of test water, fundamentally changing the working mode of one-time drainage in the original technology, and laying a structural foundation for significant water conservation.

[0022] In a further preferred embodiment of the present invention, the water storage tank 101 is configured as a conical structure, and the height of the water collection tank 102 is lower than the height of the water storage tank 101.

[0023] In this embodiment, the conical water storage tank 101, combined with the low-height water collection tank 102, facilitates the rapid collection of test water into the water collection tank 102 under the action of gravity, making it easier for the circulating water pump 5 to extract the water efficiently and ensuring the stable operation of the circulation system.

[0024] In a further preferred embodiment of the present invention, a drain pipe 103 is connected to the bottom of the water storage tank 101, a water valve 104 is installed on one side of the drain pipe 103, and a connecting pipe 105 is connected to the side of the water valve 104 away from the drain pipe 103.

[0025] In this embodiment, the drain pipe 103 and the water valve 104 are used to discharge wastewater and perform cleaning when it is necessary to replace the water or maintain the equipment, thus ensuring the ease of maintenance of the equipment.

[0026] In a further preferred embodiment of the present invention, a liquid level detector 7 is installed on the inner side of the water storage tank 101, and an alarm 8 is installed on the outer side of the test chamber 1, and the alarm 8 and the liquid level detector 7 are electrically connected.

[0027] In this embodiment, the monitoring system consisting of the level detector 7 and the alarm 8 can monitor the water level in the water storage tank 101 in real time. When the water level falls below the set threshold due to evaporation or leakage, an alarm is automatically triggered to prompt the operator to replenish water, thereby ensuring the continuity and reliability of long-term unattended testing.

[0028] In a further preferred embodiment of the present invention, a first gear 303 is connected to the top of the connecting rod 401. The first gear 303 is located inside the protective box 3 and is rotatably connected to the protective box 3.

[0029] In this embodiment, the transmission structure of the first gear 303 provides a stable and reliable transmission of rotational power.

[0030] In a further preferred embodiment of this utility model, the number of connecting rods 401 is the same as the number of first gears 303, and three sets are arranged. The top of the middle set of first gears 303 is connected to the servo motor 301 by a transmission rod 302, and the first gears 303 are meshed with each other by a second gear 304.

[0031] In this embodiment, a servo motor 301 drives three sets of connecting rods 401 to rotate synchronously, enabling simultaneous and uniform four-sided spraying tests on three waterproof paper bags. Compared to the traditional single-station manual reversing test method, the testing efficiency is improved several times. Calculations show that, in terms of labor costs alone, two 30-minute manual operations can be saved daily. At a cost of 16.23 yuan / hour, this translates to a daily labor cost saving of 16.23 yuan, and an annual production saving of approximately 5923 yuan.

[0032] In a further preferred embodiment of the present invention, a first connecting pipe 501 is connected to the top of the circulating water pump 5, and two sets of second connecting pipes 502 are connected to the top of the first connecting pipe 501, and the second connecting pipes 502 are respectively connected to two sets of nozzles 6.

[0033] In this embodiment, the pipeline layout ensures the uniformity of the spray coverage, meeting the requirements of the testing standards.

[0034] In a further preferred embodiment of this utility model, the rated flow rate of the circulating water pump 5 is 2500L / h.

[0035] In this embodiment, the rated flow circulating water pump 5 can provide a stable and sufficient flow to the nozzle 6, ensuring the formation of a water curtain that meets the test standards. This circulation system is the core of the water-saving effect of this utility model. According to the comparison of actual operating data, the water consumption was 108L per day in two tests before the improvement. After adopting this equipment, thanks to the recycling of water, only about 7.7L of evaporation loss needs to be replenished per day, and the daily water saving is as high as 100.3L, with a water saving rate of over 90%. Calculated based on 365 days a year, the annual water saving can reach 36.61 tons. At 9.48 yuan per ton of water, the annual water saving is about 347 yuan.

[0036] In summary, the operator first clamps the waterproof paper bag to be tested onto the connecting clamp (4) and completes the system water filling. The liquid level detector (7) then begins to monitor the water level in the water storage tank (101) in real time. After the equipment is started, the circulating water pump (5) immediately draws test water from the water collection tank (102) and delivers it to the two sets of nozzles (6) through the first connecting pipe (501) and the second connecting pipe (502) to form a uniform water curtain covering the test area. Meanwhile, the servo motor (301) drives the first gear 303 and the second gear 304 to mesh and drive the three connecting rods (401) to rotate synchronously and uniformly, so that the paper bag held in the grip continues to rotate during the spraying process, ensuring that it can receive continuous and uniform spraying on all four sides. The sprayed water naturally falls into the conical water storage tank (101) and automatically flows back to the water collection tank (102) by means of the liquid level difference, thus forming a complete water cycle of "water collection tank → water pump → pipeline → nozzle → paper bag → water storage tank → water collection tank". The closed-loop water circulation system enables efficient recycling of water resources. If the water level drops below the set threshold due to evaporation during the test, the alarm (8) will issue a warning to replenish water. After the test is completed, the system will automatically stop running. The operator will remove the paper bag to check its waterproof performance and discharge wastewater as needed through the drain pipe (103) and water valve (104). The entire workflow achieves significant technical effects of saving more than 90% of water and doubling the test efficiency while ensuring the accuracy of the test through the precise cooperation of the closed-loop water circulation system and the multi-station synchronous rotation mechanism.

[0037] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0038] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A waterproof paper bag waterproof test apparatus characterized by comprising: include: Test chamber (1); A water storage tank (101) and a water collection tank (102) are provided inside the test chamber (1), and the water collection tank (102) is connected to the water storage tank (101); A circulating water pump (5) installed in the water collection tank (102), a first connecting pipe (501) connected to the outlet of the circulating water pump (5), and at least one nozzle (6) connected to the first connecting pipe (501), wherein the spraying area of ​​the nozzle (6) is located above the water storage tank (101). At least one set of connecting rods (401) are rotatably mounted above the test box (1), and a connecting clip (4) is fixed to the bottom end of the connecting rods (401) for holding the paper bag. A servo motor (301) is installed above the test chamber (1) to drive the connecting rod (401) to rotate.

2. The waterproof paper bag waterproof test apparatus according to claim 1, wherein The water storage tank (101) is configured as a conical structure, and the height of the water collection tank (102) is lower than the height of the water storage tank (101).

3. The waterproof paper bag waterproof test apparatus according to claim 1, wherein The bottom of the water storage tank (101) is connected to a drain pipe (103), a water valve (104) is installed on one side of the drain pipe (103), and a connecting pipe (105) is connected to the side of the water valve (104) away from the drain pipe (103).

4. The waterproof paper bag waterproof test apparatus according to claim 1, wherein A level detector (7) is installed on the inner side of the water storage tank (101), and an alarm (8) is installed on the outer side of the test box (1), and the alarm (8) and the level detector (7) are electrically connected.

5. The waterproof paper bag waterproof test apparatus according to claim 1, wherein The top of the connecting rod (401) is connected to a first gear (303), which is located inside the protective box (3) and is rotatably connected to the protective box (3).

6. The waterproof paper bag waterproof test apparatus according to claim 5, wherein The number of connecting rods (401) is the same as the number of first gears (303), and there are three sets. The top of the middle set of first gears (303) is connected to the servo motor (301) by a transmission rod (302), and the first gears (303) are meshed with each other by a second gear (304).

7. The waterproof paper bag waterproof test apparatus as claimed in claim 1, wherein The top of the circulating water pump (5) is connected to a first connecting pipe (501), and the top of the first connecting pipe (501) is connected to two sets of second connecting pipes (502), and the second connecting pipes (502) are respectively connected to two sets of nozzles (6).

8. The waterproof paper bag waterproof test apparatus as claimed in claim 1, wherein The rated flow rate of the circulating water pump (5) is 2500L / h.

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