Non-woven fabric water absorption performance testing device

Abstract

The utility model relates to the technical field of non-woven fabric detection, in particular to a non-woven fabric water absorption performance testing device. Comprising a rack and a supporting net, a bottom plate is arranged at the bottom of the rack, a water tank capable of ascending and descending is slidably connected to the bottom plate, a lifting device is arranged between the bottom plate and the water tank, a top plate is arranged at the top of the rack and located over the water tank, and an electronic scale is arranged on the upper surface of the top plate. A scale pan of the electronic scale is provided with a hanging frame, the left side and the right side of the hanging frame extend out of the two sides of the electronic scale and extend downwards to be connected with the left side and the right side of a supporting net, and the supporting net is located between the top plate and the water tank. The device is higher in accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven fabric detection, in particular to a device for testing the water absorption performance of non-woven fabric. Background Art

[0002] For non-woven fabric products for medical and sanitary use, there are generally water absorption requirements, so water absorption tests are required. The patent with application number 202022183676.2 discloses a non-woven fabric water absorption performance tester, which includes a lifting frame, a horizontal frame, a lifting motor, and a horizontally set carrier net. It can realize that a non-woven fabric piece of fixed size can be laid flat on the carrier net, and then the non-woven fabric on the carrier net can be completely immersed in water by the action of the lifting motor. It solves the problem that when the non-woven fabric is fixed with a clip to immerse the non-woven fabric, the fixed part of the non-woven fabric cannot be fully immersed in water, thereby affecting the measurement data of the non-woven fabric. However, during the period when the carrier net is out of the water pool and is left to stand until there are no water droplets attached to the carrier net, the water on the carrier net and the non-woven fabric will evaporate, and the evaporated part does not fall into the water pool, resulting in the water weight in the water pool measured by the measuring scale being too small, which causes the calculated water absorption capacity of the non-woven fabric to be larger than the actual value. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a device for testing the water absorption performance of non-woven fabrics in response to the above-mentioned technical deficiencies.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a non-woven fabric water absorption performance testing device, including a frame and a support net, a bottom plate is provided at the bottom of the frame, a water tank that can be raised and lowered is slidably connected to the bottom plate and a lifting device is provided between the two, a top plate is provided on the top of the frame, the top plate is located directly above the water tank, an electronic scale is provided on the upper surface of the top plate, a hanging bracket is provided on the scale pan of the electronic scale, the left and right sides of the hanging bracket extend from both sides of the electronic scale and extend downward to be connected to the left and right sides of the support net, and the support net is located between the top plate and the water tank.

[0005] To further optimize the technical solution, a plurality of guide cylinders are provided on the upper surface of the bottom plate, and a plurality of guide columns cooperating with the guide cylinders are provided on the bottom surface of the water tank.

[0006] To further optimize this technical solution, the lifting device is an electric push rod.

[0007] Compared with the prior art, the utility model has the following advantages: a hanging bracket is provided on the scale pan of the electronic scale, and both sides of the hanging bracket extend from both sides of the electronic scale and extend downward to be connected with both sides of the supporting net. When the water trough rises, the non-woven fabric sample on the supporting net can be immersed in water, and when the water trough descends, the non-woven fabric sample and the supporting net can be separated from the water surface, so that the dry weight and water absorption of the non-woven fabric can be known, and then the water absorption rate of the non-woven fabric can be obtained with higher accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a structural diagram of a non-woven fabric water absorption performance testing device.

[0009] In the figure: 1. Frame; 11. Bottom plate; 12. Top plate; 2. Lifting device; 3. Water tank; 4. Support net; 5. Electronic scale; 6. Hanging rack; 7. Non-woven fabric sample. DETAILED DESCRIPTION

[0010] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0011] Specific implementation method: Figure 1 As shown, a non-woven fabric water absorption performance testing device includes a frame 1 and a support net 4. The size of the support net 4 is generally a square with a side length of 230 mm. A bottom plate 11 is provided at the bottom of the frame 1. A water trough 3 that can be lifted and lowered is slidably connected to the bottom plate 11, and a lifting device 2 is provided between the two. The depth of the water trough 3 is about 80 mm and the length and width are both about 250 mm. The water depth in the water trough 3 is about 65 mm. A top plate 12 is provided on the top of the frame 1. The top plate 12 is located directly above the water trough 3. An electronic scale 5 is provided on the upper surface of the top plate 12. A hanger 6 is provided on the scale pan of the electronic scale 5. The left and right sides of the hanger 6 extend from both sides of the electronic scale 5 and extend downward to be connected to the left and right sides of the support net 4. The support net 4 is located between the top plate 12 and the water trough 3. When the water tank 3 rises, the supporting net 4 and the non-woven fabric sample 7 placed thereon can be immersed in the water in the water tank 3. The non-woven fabric sample 7 is a square with a side length of about 200 mm.

[0012] Specifically, a plurality of guide cylinders are provided on the upper surface of the bottom plate 11 , and a plurality of guide posts cooperating with the guide cylinders are provided on the bottom surface of the water tank 3 , so that the water tank 3 can only move up and down.

[0013] Preferably, the lifting device 2 is an electric push rod, which is small in size and can be operated with electricity, without the need for other equipment such as an air source.

[0014] When in use, first raise the water tank 3 so that the support net 4 is immersed in water. After one to two minutes, lower the water tank 3 so that the support net 4 is separated from the water surface. After another ten minutes, write down the reading of the electronic scale 5 at this time (or you can reset the electronic scale 5 instead of writing down the reading at this time). Then put the non-woven fabric sample 7 on the support net 4, write down the reading of the electronic scale 5 at this time to calculate the dry weight of the non-woven fabric sample 7. Then raise the water tank 3 so that the support net 4 and the non-woven fabric sample 7 are both immersed in water. After another one to two minutes, lower the water tank 3 so that the support net 4 and the non-woven fabric sample 7 are both separated from the water surface. After another ten minutes (during this process, some of the water on the support net 4 and non-woven fabric sample 7 has dripped, or rather, all the water that could have dripped has dripped, and the remaining water has been absorbed by the non-woven fabric sample 7. Some moisture may still be attached to the support net 4, but since the initial operation has already caused some moisture to adhere to the support net 4, this moisture has little effect on the results. This ten-minute period is the specified time and remains unchanged each time), record the reading of the electronic scale 5 again. Subtract the second reading from the last reading to determine the water absorption of the non-woven fabric. This calculation will yield the water absorption rate. The water absorption rate is equal to the water absorption divided by the dry weight of the sample, multiplied by 100%. Because this device measures the weight change of the non-woven fabric sample 7, the calculated water absorption capacity of the non-woven fabric can be more accurately calculated.

[0015] It should be understood that the above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present application should be included in the scope of protection of the present application.

Claims

1. A device for testing the water absorption performance of non-woven fabrics, comprising a frame (1) and a support net (4), characterized in that: The bottom of the frame (1) is provided with a bottom plate (11), a water tank (3) capable of being raised and lowered is slidably connected to the bottom plate (11), and a lifting device (2) is provided between the bottom plate (11), and a top plate (12) is provided on the top of the frame (1), and the top plate (12) is located directly above the water tank (3). An electronic scale (5) is provided on the upper surface of the top plate (12), and a hanging bracket (6) is provided on the weighing pan of the electronic scale (5). The left and right sides of the hanging bracket (6) extend from both sides of the electronic scale (5) and extend downward to be connected to the left and right sides of the supporting net (4), and the supporting net (4) is located between the top plate (12) and the water tank (3).

2. The non-woven fabric water absorption performance testing device according to claim 1, characterized in that: The upper surface of the bottom plate (11) is provided with a plurality of guide cylinders, and the bottom surface of the water tank (3) is provided with a plurality of guide columns that cooperate with the guide cylinders.

3. A non-woven fabric water absorption performance testing device according to any one of claims 1-2, characterized in that: The lifting device (2) is an electric push rod.

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