Aluminum-foil paper waterproof performance testing device

By designing a waterproof performance testing device for aluminum foil, a water pump and a water nozzle are used to simulate water mist testing. Combined with a transparent testing platform and an adjustable clamping structure, the shortcomings of aluminum foil waterproof performance testing are solved, and a rapid and accurate waterproof performance assessment is achieved.

CN224035204UActive Publication Date: 2026-03-24ZHEJIANG BENFU NEW ENERGY CORP LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the existing technology, there is a lack of effective means to test the waterproof performance of aluminum foil after production, which may result in poor edge sealing or minor defects that affect its waterproof performance.

Method used

A waterproof performance testing device for aluminum foil was designed. By combining a test platform, a water outlet module, a synchronous belt, and a motor, the device uses a water pump and a water nozzle to simulate water mist to test the waterproof performance of aluminum foil. Combined with a transparent test platform and an adjustable clamping structure, the device enables the evaluation of waterproof performance under dynamic conditions.

Benefits of technology

It can quickly and accurately detect whether aluminum foil has poor sealing or minor defects, provide waterproof performance assessment under dynamic conditions, and improve the quality control of finished products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an aluminum-foil paper waterproof performance testing device, which comprises a test board, a water outlet module, an upper cover and a motor, the water outlet module comprises a water pump, a hose and a plurality of water outlet nozzles, the upper cover is provided with a water storage cavity connected with the hose above each water outlet nozzle, and the other end of the hose is linked with the water pump. A synchronous belt is installed in the test board, the synchronous belt comprises a rotating shaft with the front side and the rear side rotationally connected with the test board and a plurality of water outlet holes formed in a penetrating mode, the motor is fixed to the rotating shaft, a loading opening is formed in the position, located on the front side of the synchronous belt, of the test board, and a taking-out opening is formed in the position, located on the rear side of the synchronous belt, of the test board; and the test board is made of a transparent material. By adopting the scheme, the waterproof performance testing device for the aluminum-foil paper is provided, the aluminum-foil paper needing to be tested is placed in the testing table, and then the water pump is started, so that water mist flows out of the water outlet nozzle and reaches the surface of the aluminum-foil paper.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of aluminium foil waterproof performance testing devices. BACKGROUND

[0002] Aluminium foil, commonly referred to as aluminium foil, is a kind of sheet material made of aluminium. Its thickness is generally between 0.006mm and 0.2mm, with the characteristics of light weight, strong corrosion resistance, good electrical conductivity and thermal conductivity, high reflectivity and easy to be processed into shape, etc. At the same time, it has good waterproof performance, and itself is a very effective water vapor barrier material, which can prevent water penetration and protect the packaged goods from the influence of humid environment.

[0003] However, it should be noted that although pure aluminium foil itself is waterproof, if the edges of aluminium foil paper are not properly sealed or have defects such as small perforations and cracks, its waterproof performance will be affected, so it is necessary to test the waterproof performance of aluminium foil paper after production to improve the finished product integrity and make it flow to the market. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a kind of aluminium foil waterproof performance testing device by placing the aluminium foil to be tested into the test table and then starting the water pump to make water mist flow out from the water outlet nozzle to the surface of the aluminium foil.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a test table and a water outlet module, the water outlet module is located above the test table, further comprising an upper cover and a motor, the water outlet module comprises a water pump, a hose and a plurality of water outlet nozzles, each water outlet nozzle is located on the upper cover and the upper cover is located above each water outlet nozzle and is provided with a water storage cavity connected with the hose, the other end of the hose is linked with the water pump, the water storage cavity and each water outlet nozzle are in communication with each other, the test table is provided with a synchronous belt, the synchronous belt comprises a rotating shaft rotatably connected with the test table on the front and back sides and a plurality of water outlet holes penetratingly arranged, the motor is fixedly connected with the rotating shaft, the upper cover is located above the test table and the upward projection of the synchronous belt falls on the upper cover, the test table is provided with a loading port on the front side and a taking-out port on the rear side, and the test table is made of transparent material.

[0006] The utility model is further provided as follows: further comprising an installation frame made of rubber, the upper cover and the test table are connected by bolts, the installation frame comprises a loading slot, an adaptive slot located below the loading slot and a through hole located below the adaptive slot and communicating with the synchronous belt, the installation frame is provided with a compression module on the front and back sides of the adaptive slot, a water guide groove penetratingly arranged at each compression module is arranged at the installation frame, and a matching clamp is slidably installed on the left and right sides of the test table.

[0007] The utility model further sets up: the compression module includes cooperation spring, pressing plate and guide pillar, the installation frame is located the installation plate of both sides before loading into the groove, the installation plate is inserted for guide pillar and pressing plate is fixed with guide pillar, and pressing plate is below the installation plate and cooperation spring is set guide pillar.

[0008] The utility model further sets up: the guide pillar includes the locating disc of top and the column body below the locating disc, the locating disc is above the installation plate and the column body is inserted installation plate, and cooperation spring is set column body circumference and is fixed with pressing plate.

[0009] The utility model further sets up: still include synchronous assembly, each cooperation clamp includes upper work part and lower work part, each upper work part is rotatably installed in corresponding lower installation part, the test platform is rotatably installed with left screw rod and right screw rod in each lower work part, left screw rod and right screw rod are respectively with corresponding lower installation part screw thread cooperation, and the synchronous assembly is between left screw rod and right screw rod to make left screw rod and right screw rod synchronous rotation.

[0010] The utility model further sets up: the synchronous assembly includes left synchronous wheel, right synchronous wheel and transmission cooperation band between left synchronous wheel and right synchronous wheel, left synchronous wheel is fixed with left screw rod, and right synchronous wheel is fixed with right screw rod.

[0011] The utility model further sets up: each test platform is set up catch basin below the water outlet hole of synchronous belt, and the water pump is provided with the water pumping pipe that communicates with catch basin.

[0012] Through adopting above-mentioned technical scheme, after the aluminum foil paper needed to test waterproof performance is placed into the loading port, the rotation of the rotating shaft is stopped and the work of the motor is ended when the aluminum foil paper on the synchronous belt reaches below each water outlet nozzle, the water pump is started, so that the water can be sprayed from each water outlet nozzle to the surface of the aluminum foil paper, at this time, if the edge of the aluminum foil paper is not properly sealed or has a small perforation, crack or other defects, the falling water drops can pass through these positions and fall on the surface of the synchronous belt, if there is no defect on the aluminum foil paper to make the water drops pass through, the water drops will be on the surface of the aluminum foil paper and cannot fall, the motor is started again, so that the synchronous belt can be moved to drive the aluminum foil paper on the synchronous belt to reach the vicinity of the taking port, so that the operator can take out the aluminum foil paper in the test platform from the taking port, at this time, whether there is a wet trace on the upper and lower sides of the aluminum foil paper can be observed, and since the test platform is made of transparent material, whether the water drops pass through the aluminum foil paper can be directly observed through the test platform during the process of starting the water pump, so as to provide convenience for the test result of the waterproof performance of the aluminum foil paper. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 is an assembly drawing of the specific embodiment of the present application;

[0015] Figure 2 is an exploded view of the specific embodiment of the present application;

[0016] Figure 3 is a cross-sectional view of the present application from front to back;

[0017] Figure 4 is a cross-sectional view of the present application from right to left;

[0018] Figure 5 is Figure 2 an enlarged view of A;

[0019] Figure 6 is Figure 3 an enlarged view of B;

[0020] Figure 7 is Figure 4 an enlarged view of C;

[0021] Figure 8 is a perspective view of the upper cover.

[0022] In the figure: 1-test bench, 11-synchronous belt, 12-rotating shaft, 13-water outlet hole, 14-loading inlet, 15-taking outlet, 16-left screw rod, 17-right screw rod, 18-water collecting bin;

[0023] 2-water outlet module, 21-water pump, 211-water guide pipe, 22-hose, 23-water outlet nozzle;

[0024] 3-upper cover, 31-water storage cavity;

[0025] 4-motor;

[0026] 5-mounting frame, 51-loading groove, 52-adapting groove, 53-water guide groove, 54-pressing module, 541-cooperating spring, 542-pressing plate, 543-guide column, 5431-positioning disc, 5432-column body, 55-cooperating clamp, 551-upper working part, 552-lower working part, 56-mounting plate, 57-through hole;

[0027] 6 - synchronization assembly, 61 - left synchronization wheel, 611 - handle, 62 - right synchronization wheel, 63 - mating belt. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] As Figures 1-8The utility model discloses a kind of aluminium foil paper waterproof performance testing devices, including test table 1 and water outlet module 2, the water outlet module 2 is located above test table 1, further include upper cover 3 and motor 4 (the working principle and wiring mode of motor 4 are prior art, not specifically elaborated here), the water outlet module 2 includes water pump 21, hose 22 and several water outlet spray heads 23, each water outlet spray head 23 is located upper cover 3 and upper cover 3 is located above each water outlet spray head 23 and is provided with the water storage cavity 31 connected with hose 22, the other end of the hose 22 is linked with water pump 21 (the working principle and wiring mode of water pump 21 are prior art, not specifically elaborated here), the water storage cavity 31 and each water outlet spray head 23 are interconnected, synchronous belt 11 is installed in the test table 1, the synchronous belt 11 includes front and back two sides and the rotating shaft 12 of test table rotation connection and several water outlet holes 13 of through setting, the motor 4 is fixedly connected with rotating shaft 12 by key connection mode, the upper cover 3 is located above test table 1 and the projection of synchronous belt 11 upwards falls in upper cover 3, the test table 1 is located in the front side of synchronous belt 11 and is provided with loading entrance 14 while being located in the rear side of synchronous belt 11 and being provided with taking outlet 15, the test table 1 is made of transparent material such as transparent plastic, after the aluminium foil paper required to test waterproof performance is placed into loading entrance 14, at this time, start motor 4 and drive rotating shaft 12 to realize the movement of synchronous belt 11, and when the aluminium foil paper on synchronous belt 11 reaches below each water outlet spray head 23, at this time, stop the rotation of rotating shaft 12, i.e. the work of motor 4 is finished, start water pump 21, so that water can be sprayed from each water outlet spray head 23 towards water storage cavity 31 from hose 22 and then fall into the surface of aluminium foil paper, at this time, if the edge of aluminium foil paper is not properly sealed or there are small perforations, cracks and other defects, then the falling water droplets can pass through these positions and fall onto the surface of synchronous belt 11, and if there are no defects on the aluminium foil paper to make water droplets pass through, at this time, water droplets will be located on the surface of aluminium foil paper and cannot fall, start motor 4 again, so that synchronous belt 11 can be moved to drive the aluminium foil paper on synchronous belt 11 to reach the vicinity of taking outlet 15, so that the operator can take out the aluminium foil paper in test table 1 from taking outlet 15, at this time, whether wet trace appears on the upper and lower sides of aluminium foil paper can be observed, and since test table 1 is made of transparent material, whether water droplets pass through aluminium foil paper can be directly observed through test table 1 during the process of starting water pump 21, to provide convenience for the result of aluminium foil paper waterproof performance test.

[0030] The installation frame 5 made of rubber is further included, the upper cover 3 is connected with the test table 1 through bolts (the bolts, screw holes and insertion holes belong to the commonly known and are not shown in the drawings), the installation frame 5 includes a loading slot 51, an adaptive slot 52 located below the loading slot 51 and a through hole 57 located below the adaptive slot 52 and communicated with the synchronous belt 11, the installation frame 5 is provided with a compression module 54 on both sides of the adaptive slot 52, the installation frame 5 is provided with a water guide groove 53 at each compression module 54, and the test table 1 is slidably provided with a matching clamp 55 on both sides of the installation frame 5. When the waterproof test of the aluminum foil is carried out, first, the aluminum foil with a shape and size close to the adaptive slot 52 is loaded into the installation frame 5, at this time, the compression module 54 holds the aluminum foil to make the aluminum foil stably located in the installation frame 5, and then the installation frame 5 is placed into the loading port 14, which can drive the aluminum foil to move below the water outlet nozzle 23 along with the work of the synchronous belt 11; at this time, the upper cover is disassembled, and the matching clamp 55 in the test table 1 can be contacted to clamp the installation frame 5 on both sides, because the aluminum foil itself will crack when subjected to a large force, the aluminum foil is loaded into the installation frame 5 and can be held on both sides by the compression module 54 to be stably located in the installation frame 5, and the process of directly contacting the aluminum foil in the sliding process of the matching clamp 55 is avoided, and because the matching clamp 55 is slidably installed on the test table 1, after the test is completed, the upper cover 3 is separated from the test table 1, the flatness of the aluminum foil is changed by moving the matching clamp 55 up and down, so that a certain position of the aluminum foil is lifted to form an inclined surface, the aluminum foil can be located in the test table 1 at different angles, because it is no longer placed flat, the pressure of the water droplets received by each part will also be different, compared with the static waterproof test (horizontal placement), the inclined water spraying is closer to the actual use condition (such as rainwater flowing down the roof), which is helpful to evaluate the ability of the aluminum foil to maintain waterproof performance under dynamic conditions, and when the aluminum foil is inclined, the weight and flow of water can generate additional pressure or tension on the aluminum foil, especially in the case of bending or folding, in this way, the stability and strength of the aluminum foil under stress can be indirectly evaluated, the inclined aluminum foil can show how water flows along its surface, if there is any unevenness or slight damage on the surface of the aluminum foil, water can penetrate or accumulate along these paths, so that potential problem areas can be more easily identified, in addition, with the inclination of the aluminum foil, the water droplets can more quickly and efficiently fall onto the water outlet hole 13 on the synchronous belt 11, the matching clamp 55 is forced again to loosen the clamping of the installation frame 5 on both sides, at this time, the installation frame 5 will not be deformed under stress and can restore flatness, and the installation frame 5 can be moved towards the downward outlet 15 by the work of the synchronous belt 11 again and then be taken out.

[0031] The pressing module 54 comprises a matching spring 541, a pressing plate 542 and a guide column 543. The installation frame 5 is located on the installation plate 56 on the front and back sides of the loading slot 51. The guide column 543 is inserted into the installation plate 56, and the pressing plate 542 is fixed with the guide column 543. The pressing plate 542 is located below the installation plate 56, and the matching spring 541 is sleeved on the guide column 543. One end is fixed with the pressing plate, and the other end is fixed with the top of the guide column. Therefore, when the aluminum foil needs to be loaded into the installation frame 5, the guide column 543 is moved upward to compress the matching spring 541, so that the pressing plate 542 is driven to move upward, so that the front and back sides of the aluminum foil can enter the position where the pressing plate 542 is located. At this time, the force on the guide column 543 is released, and the matching spring 541 is reset. At this time, the pressing plate 542 is lowered during the downward movement of the guide column 543, and is in close contact with the front and back sides of the aluminum foil, so that the aluminum foil can be stably positioned in the installation frame 5 and will not be raised. The waterproof test can be stably realized. Since the matching spring 541 is sleeved on the guide column 543, the upward and downward sliding of the guide column 543 can provide a guiding effect for the compression deformation and recovery path of the matching spring 541.

[0032] Preferably, the guide column 543 comprises a positioning disc 5431 at the top and a column body 5432 below the positioning disc 5431. The positioning disc 5431 is located above the installation plate 56 and has a diameter larger than the column body 5432. The matching spring 541 is sleeved around the column body 5432 and is fixed with the pressing plate 542. Since the diameter of the positioning disc 5431 is larger than that of the column body 5432 and is located above the installation plate 56, the positioning disc 5431 can move upward during the upward movement of the pressing plate 542 and the loading of the aluminum foil. However, after the force on the pressing plate 542 is released, the positioning disc 5431 cannot continue to move downward when it abuts against the installation plate 56, thereby providing a guiding effect for the movement path of the column body 5432.

[0033] Furthermore, the synchronous assembly 6 is further included, each of the matching clamps 55 comprises an upper working part 551 and a lower working part 552, each of the upper working parts 551 is rotatably installed on the corresponding lower working part 552, the test table 1 is rotatably installed with the left screw rod 16 and the right screw rod 17 on each of the lower working parts 552, the left screw rod 16 and the right screw rod 17 are threadedly matched with the corresponding lower working parts 552, the synchronous assembly 6 is located between the left screw rod 16 and the right screw rod 17 to make the left screw rod 16 and the right screw rod 17 rotate synchronously, 1. The rotation of the left screw rod 16 and the right screw rod 17 can make the lower working parts 552 of each matching clamp 55 move along the length direction of the left screw rod 16 and the right screw rod 17, that is, the height of each matching clamp 55 is adjusted, and the adjustment after each matching clamp 55 clamps the mounting frame 5 can make the mounting frame 5 have different heights at different positions, thereby facilitating the water drop on the surface of the aluminum foil after the waterproof test is completed; 2. Since the synchronous assembly 6 can drive the left screw rod 16 and the right screw rod 17 to move synchronously, thereby making each matching clamp 55 can be adjusted in height synchronously, thereby facilitating the deformation of the mounting frame 5 after the waterproof test is completed.

[0034] The synchronous assembly 6 comprises a left synchronous wheel 61, a handle 611 located on the left synchronous wheel 61, a right synchronous wheel 62, and a transmission belt 63 arranged between the left synchronous wheel 61 and the right synchronous wheel 62, the left synchronous wheel 61 is fixed with the left screw rod 16, the right synchronous wheel 62 is fixed with the right screw rod 17, and since the transmission belt 63 is arranged between the left synchronous wheel 61 and the right synchronous wheel 62, when the aluminum foil is tested for waterproofness and the mounting frame 5 is deformed to drive the water drop on the surface of the aluminum foil, at this time, after the upper cover 3 and the test table 1 are separated, the handle 611 is rotated to drive the left synchronous wheel 61 to rotate, the torque of the left synchronous wheel 61 is transmitted to the right synchronous wheel 62 through the transmission belt 63, thereby making the left screw rod 16 and the right screw rod 17 rotate synchronously to drive each matching clamp 55 to move up and down synchronously, and making the left and right sides of the mounting frame 5 deform under stress, thereby facilitating the water drop on the surface of the aluminum foil in the mounting frame 5.

[0035] Preferably, each of the test tables 1 is provided with a water collecting chamber 18 below the water outlet hole 13 of the synchronous belt 11, and the water pump 21 is provided with a water suction pipe 211 in communication with the water collecting chamber 18, so that after the waterproof test of the aluminum foil is completed, the water drop on the surface of the aluminum foil is adjusted to drop into the water collecting chamber 18 through the water outlet of the synchronous belt 11, and then the water pump 21 is started to enter the water outlet pipe for repeated use.

[0036] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for testing the waterproof performance of aluminum foil, comprising a test platform and a water outlet module, wherein the water outlet module is located above the test platform, characterized in that: It also includes a top cover and a motor. The water outlet module includes a water pump, a hose, and several water outlet nozzles. Each water outlet nozzle is located on the top cover, and the top cover is located above each water outlet nozzle and has a water storage chamber connected to the hose. The other end of the hose is linked to the water pump. The water storage chamber is interconnected with each water outlet nozzle. A synchronous belt is installed inside the test platform. The synchronous belt includes a rotating shaft on both the front and rear sides that is rotatably connected to the test platform and several through-holes. The motor is fixedly connected to the rotating shaft. The top cover is located above the test platform, and the upward projection of the synchronous belt falls on the top cover. The test platform has an inlet on the front side of the synchronous belt and an outlet on the rear side of the synchronous belt. The test platform is made of transparent material.

2. The aluminum foil waterproof performance testing device according to claim 1, characterized in that: It also includes a mounting frame made of rubber. The top cover is connected to the test bench by bolts. The mounting frame includes an insertion groove, an adapter groove located below the insertion groove, and a through hole located below the adapter groove that communicates with the timing belt. The mounting frame is provided with clamping modules on both the front and rear sides of the adapter groove. The mounting frame is provided with water guide grooves through each clamping module. The test bench is slidably mounted with mating clamps on both the left and right sides of the mounting frame.

3. The aluminum foil waterproof performance testing device according to claim 2, characterized in that: The clamping module includes a cooperating spring, a pressure plate, and a guide post. The mounting frame is located on the mounting plates on the front and rear sides of the insertion slot. The mounting plates are for inserting the guide post and the pressure plate is fixed to the guide post. The pressure plate is located below the mounting plate and is fitted with the guide post by the cooperating spring.

4. The aluminum foil waterproof performance testing device according to claim 3, characterized in that: The guide post includes a positioning plate at the top and a column located below the positioning plate. The positioning plate is located above the mounting plate and the column is inserted into the mounting plate. The cooperating spring is sleeved around the column and fixed to the pressure plate.

5. The aluminum foil waterproof performance testing device according to claim 3, characterized in that: It also includes a synchronization component. Each of the mating clamps includes an upper working part and a lower working part. Each of the upper working parts is rotatably mounted on the corresponding lower working part. The test bench is located on each of the lower working parts and is rotatably mounted with a left screw and a right screw. The left screw and the right screw are threadedly engaged with the corresponding lower working part. The synchronization component is located between the left screw and the right screw to enable the left screw and the right screw to rotate synchronously.

6. The aluminum foil waterproof performance testing device according to claim 5, characterized in that: The synchronization assembly includes a left synchronization wheel, a right synchronization wheel, and a transmission belt disposed between the left and right synchronization wheels. The left synchronization wheel is fixed to a left screw, and the right synchronization wheel is fixed to a right screw.

7. The aluminum foil waterproof performance testing device according to claim 1, characterized in that: Each test stand is equipped with a water collection tank located below the water outlet of the synchronous belt, and the water pump is equipped with a pumping pipe that communicates with the water collection tank.