Tearing experiment device and experiment equipment for anti-tearing non-woven fabric

Abstract

The utility model relates to the technical field of cloth testing, in particular to a tearing experiment device and experiment equipment for anti-tearing non-woven fabrics, the tearing experiment device comprises an operation table, a first pressing mechanism and a second pressing mechanism are arranged on the surface of the operation table, and the first pressing mechanism is connected to the surface of the operation table in a sliding mode. The first pressing mechanism and the second pressing mechanism are just connected through the connecting plate, so that cloth only needs to be flatly laid on the connecting plate when the cloth is placed, and due to the fact that the cloth is supported by the connecting plate, the cloth can be conveniently leveled firstly and then fixed through the first pressing mechanism and the second pressing mechanism, and the cloth can be conveniently placed. Then a first air cylinder is used for driving a first pressing mechanism to move in the direction away from a second pressing mechanism, in the process, an infrared distance meter can be used for measuring the moving distance, a pressure sensor is used for measuring the pulling force borne by the cloth, and whether fiber breakage and other situations happen to the whole cloth in the pulling process or not is judged through an observation mechanism; and data statistics and comparison are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cloth testing, in particular to a tearing test device and experimental equipment for tear-resistant nonwoven fabrics. Background Art

[0002] Fabric is the material used to make clothing, and it is also an indispensable element in making down jackets. Fabric can not only interpret the style and characteristics of clothing, but also directly affect the color and shape of clothing. Textile fabrics are a type of fabric. When producing textile fabrics, tear resistance testing equipment is required to test the tear resistance of fabrics. Non-woven fabrics are also called non-woven fabrics, needle-punched cotton, needle-punched non-woven fabrics, etc. They are made of polyester fiber and polyester fiber (abbreviated as: PET) and are made through a needle-punching process. They can be made into different thicknesses, feels, hardness, etc.

[0003] After extensive searching, it was found that: China Utility Model Patent Column: Publication No. CN113865981A A textile fabric tearing tester can fix the textile fabric through the protrusions and grooves on the first silver body and the second silver body when the knob drives the first roller body to rotate, and finally limit the knob through the limiter so that the textile fabric will not fall off when the tearing test is done, thereby improving the test accuracy and efficiency of the textile fabric. However, the tester provided by the patent is more cumbersome when fixing the fabric, and the fabric located between the two fixed ends is prone to wrinkles during the fixing process, which affects the tearing test of the fabric, and it is not convenient to observe the changes in each position during the tensioning process of the fabric, which is not convenient for statistical experimental data and experimental comparison. Utility Model Content

[0004] The purpose of the utility model is to provide a tearing test device for tear-resistant non-woven fabrics, which solves the problem that the test machine in the prior art is cumbersome when fixing the fabric, and the fabric between the two fixed ends is prone to wrinkles during the fixing process, thereby affecting the tearing test of the fabric, and it is inconvenient to observe the changes in various positions during the tensioning process of the fabric, thereby making it inconvenient to count experimental data and conduct experimental comparisons.

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

[0006] A tearing experiment device for tear-resistant non-woven fabrics comprises an operating table, wherein a first pressing mechanism and a second pressing mechanism are arranged on the surface of the operating table, wherein the first pressing mechanism is slidably connected to the surface of the operating table, and the second pressing mechanism is fixedly installed on the surface of the operating table, and an observation mechanism for observing fabrics is arranged on the surface of the first pressing mechanism, a connecting plate is fixedly installed on the side wall of the first pressing mechanism, a first cylinder is fixedly installed on the side wall of the second pressing mechanism, a pressure sensor is fixedly installed on the side wall of the first pressing mechanism, an output port of the first cylinder and the pressure sensor are fixedly connected, and an infrared rangefinder is fixedly installed on the side wall of the second pressing mechanism.

[0007] Preferably, the first clamping mechanism and the second clamping mechanism both include a base, a connecting frame with an "L"-shaped structure is fixedly installed on the top of the base, two second cylinders are fixedly installed on the bottom of the connecting frame, and pressure rods are fixedly installed on the output ports of the two second cylinders.

[0008] Preferably, the cross section of the pressure rod is provided with an inverted "convex" structure, and the cross section of the base is provided with a "concave" structure.

[0009] Preferably, the base of the first clamping mechanism is slidably connected to the operating table, the base of the second clamping mechanism is fixedly connected to the operating table, and the first cylinder and the infrared rangefinder are both fixedly mounted on the side wall of the base of the second clamping mechanism.

[0010] Preferably, the connecting plate is fixedly mounted on the side wall of the base of the first clamping mechanism, and the top of the connecting plate is flush with the base.

[0011] Preferably, the observation mechanism includes a fixed rod, which is fixedly mounted on the side wall of the base of the first clamping mechanism. The top of the fixed rod is slidably connected to a sliding frame with an "L"-shaped structure. A long hole is opened on the surface of the sliding frame, and a slider is slidably connected inside the long hole. A long rod is slidably penetrated through the surface of the slider, and a microscope is fixedly mounted on the end of the long rod.

[0012] An experimental device comprises the tearing experimental device of the tear-resistant nonwoven fabric.

[0013] The utility model has at least the following beneficial effects:

[0014] There is a connecting plate between the first clamping mechanism and the second clamping mechanism. Therefore, when placing the cloth, you only need to spread the cloth flat on the connecting plate. Due to the support of the connecting plate, it is convenient to flatten the cloth first, and then fix it with the first clamping mechanism and the second clamping mechanism. Then, the first cylinder is used to drive the first clamping mechanism to move away from the second clamping mechanism. In this process, an infrared rangefinder can be used to measure the moving distance, and a pressure sensor can be used to measure the tension on the cloth. The observation mechanism can be used to determine whether the fiber of the entire cloth is broken during the pulling process, which is convenient for data statistics and comparison. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the infrared rangefinder of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the observation mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the pressure sensor of the utility model;

[0020] Figure 5 This is a schematic diagram of the base structure of the utility model.

[0021] In the figure: 1. operating table; 2. first clamping mechanism; 3. second clamping mechanism; 4. connecting plate; 5. observation mechanism; 51. fixing rod; 52. sliding frame; 53. sliding block; 54. long rod; 55. microscope; 6. infrared rangefinder; 7. first cylinder; 8. pressure sensor; 9. connecting frame; 10. second cylinder; 11. pressure rod; 12. base. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0025] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0026] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] Reference Figure 1-5The tearing test device of tear-resistant nonwoven fabric comprises an operating table 1, a first pressing mechanism 2 and a second pressing mechanism 3 are arranged on the surface of the operating table 1, the first pressing mechanism 2 is slidably connected to the surface of the operating table 1, the second pressing mechanism 3 is fixedly installed on the surface of the operating table 1, an observation mechanism 5 for observing the cloth is arranged on the surface of the first pressing mechanism 2, a connecting plate 4 is fixedly installed on the side wall of the first pressing mechanism 2, a first cylinder 7 is fixedly installed on the side wall of the second pressing mechanism 3, a pressure sensor 8 is fixedly installed on the side wall of the first pressing mechanism 2, an output port of the first cylinder 7 and the pressure sensor 8 are fixedly connected, an infrared rangefinder 6 is fixedly installed on the side wall of the second pressing mechanism 3, and the first pressing mechanism 2 is in a natural state close to the pressure sensor 8. The second pressing mechanism 3 is positioned. At this time, there is a connecting plate 4 between the first pressing mechanism 2 and the second pressing mechanism 3 as a connection. Therefore, when placing the cloth, it is only necessary to spread the cloth flat on the connecting plate 4. Due to the support of the connecting plate 4, it is convenient to flatten the cloth first, and then fix it with the first pressing mechanism 2 and the second pressing mechanism 3. Then, the first cylinder 7 is started. The first cylinder 7 drives the first pressing mechanism 2 to move in a direction away from the second pressing mechanism 3. In this process, the infrared rangefinder 6 can be used to measure the moving distance, and the pressure sensor 8 can be used to measure the tension on the cloth. The observation mechanism 5 can be used to judge whether the fiber breakage of the entire cloth occurs during the pulling process, which is convenient for data statistics and comparison.

[0028] Furthermore, the first clamping mechanism 2 and the second clamping mechanism 3 both include a base 12, a connecting frame 9 in an "L"-shaped structure is fixedly installed on the top of the base 12, two second cylinders 10 are fixedly installed on the bottom of the connecting frame 9, and pressure rods 11 are fixedly installed on the output ports of the two second cylinders 10. When the first clamping mechanism 2 and the second clamping mechanism 3 are in use, the cloth is first placed on the base 12, and then the second cylinder 10 is started. The second cylinder 10 drives the pressure rod 11 to move downward, and the cloth is pressed against the base 12 by using the pressure rod 11, thereby facilitating the fixing effect of the cloth.

[0029] Furthermore, the cross-section of the pressure rod 11 is provided with an inverted "convex" structure, and the cross-section of the base 12 is provided with a "concave" structure. Through the special shapes of the base 12 and the pressure rod 11, the cloth is pressed into the groove formed by the base 12, thereby enhancing the fixing effect and reducing the phenomenon of cloth falling off during the pulling process.

[0030] Furthermore, the base 12 of the first clamping mechanism 2 is slidably connected to the operating table 1 , the base 12 of the second clamping mechanism 3 is fixedly connected to the operating table 1 , and the first cylinder 7 and the infrared rangefinder 6 are both fixedly mounted on the side wall of the base 12 of the second clamping mechanism 3 .

[0031] Furthermore, the connecting plate 4 is fixedly mounted on the side wall of the base 12 of the first clamping mechanism 2, and the top of the connecting plate 4 is flush with the base 12. The connecting plate 4 is installed on the first clamping mechanism 2 and can move synchronously with the first clamping mechanism 2 without affecting the experimental process.

[0032] Furthermore, the observation mechanism 5 includes a fixed rod 51, which is fixedly mounted on the side wall of the base 12 of the first clamping mechanism 2. The top of the fixed rod 51 is slidably connected to a sliding frame 52 in an "L" shape. A long hole is opened on the surface of the sliding frame 52, and a slider 53 is slidably connected inside the long hole. A long rod 54 slides through the surface of the slider 53, and a microscope 55 is fixedly mounted on the end of the long rod 54. The microscope 55 in the observation mechanism 5 is used to observe slight changes in the cloth. During use, the microscope 55 can also utilize the movement of the sliding frame 52 on the fixed rod 51, the movement of the slider 53 on the sliding frame 52, and the movement of the long rod 54 on the slider 53, so as to achieve the purpose of adjusting the position of the microscope 55, so as to facilitate the observation of various positions of the cloth.

[0033] An experimental device comprises the tearing experimental device of the tear-resistant nonwoven fabric.

[0034] In summary, in the natural state, the first clamping mechanism 2 is located close to the second clamping mechanism 3. At this time, there is a connecting plate 4 between the first clamping mechanism 2 and the second clamping mechanism 3 as a connection. Therefore, when placing the cloth, it is only necessary to lay the cloth flat on the connecting plate 4. Due to the support of the connecting plate 4, it is convenient to flatten the cloth first, and then use the first clamping mechanism 2 and the second clamping mechanism 3 to fix it, and then start the first cylinder 7. The first cylinder 7 drives the first clamping mechanism 2 to move in the direction away from the second clamping mechanism 3. In this process, the infrared rangefinder 6 can be used to measure the moving distance, and the pressure sensor 8 can be used to measure the tension on the cloth. Through the observation mechanism 5, it can be judged whether the fiber breakage of the entire cloth occurs during the pulling process, which is convenient for data statistics and comparison. When the first clamping mechanism 2 and the second clamping mechanism 3 are in use, the cloth is first placed on the base 1 2, and then start the second cylinder 10, the second cylinder 10 drives the pressure rod 11 to move downward, and the pressure rod 11 is used to press the cloth on the base 12, so as to facilitate the fixing effect of the cloth. Through the special shapes of the base 12 and the pressure rod 11, the cloth is pressed in the groove formed by the base 12, so that the fixing effect can be enhanced and the phenomenon of cloth falling off during the pulling of the cloth can be reduced. The connecting plate 4 is installed on the first pressing mechanism 2 and can move synchronously with the first pressing mechanism 2 without affecting the experimental process. The microscope 55 in the observation mechanism 5 is used to observe the slight changes of the cloth. During use, the microscope 55 can also use the movement of the sliding frame 52 on the fixed rod 51, the movement of the slider 53 on the sliding frame 52 and the movement of the long rod 54 on the slider 53, so as to achieve the purpose of adjusting the position of the microscope 55, which is convenient for observing various positions of the cloth.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. The tear test device for tear-resistant nonwoven fabrics is characterized by: The invention comprises an operating table (1), wherein a first pressing mechanism (2) and a second pressing mechanism (3) are arranged on the surface of the operating table (1), wherein the first pressing mechanism (2) is slidably connected to the surface of the operating table (1), and the second pressing mechanism (3) is fixedly mounted on the surface of the operating table (1); an observation mechanism (5) for observing cloth is arranged on the surface of the first pressing mechanism (2); a connecting plate (4) is fixedly mounted on the side wall of the first pressing mechanism (2), a first cylinder (7) is fixedly mounted on the side wall of the second pressing mechanism (3), a pressure sensor (8) is fixedly mounted on the side wall of the first pressing mechanism (2), an output port of the first cylinder (7) and the pressure sensor (8) are fixedly connected, and an infrared rangefinder (6) is fixedly mounted on the side wall of the second pressing mechanism (3).

2. The tear test device for tear-resistant nonwoven fabric according to claim 1, characterized in that: The first clamping mechanism (2) and the second clamping mechanism (3) both comprise a base (12), a connecting frame (9) in an "L"-shaped structure being fixedly mounted on the top of the base (12), two second cylinders (10) being fixedly mounted on the bottom of the connecting frame (9), and pressure rods (11) being fixedly mounted on the output ports of the two second cylinders (10).

3. The tear test device for tear-resistant nonwoven fabric according to claim 2, characterized in that: The cross section of the pressure rod (11) is provided with an inverted "convex" structure, and the cross section of the base (12) is provided with a "concave" structure.

4. The tear test device for tear-resistant nonwoven fabric according to claim 2, characterized in that: The base (12) of the first clamping mechanism (2) is slidably connected to the operating table (1), the base (12) of the second clamping mechanism (3) is fixedly connected to the operating table (1), and the first cylinder (7) and the infrared rangefinder (6) are both fixedly mounted on the side wall of the base (12) of the second clamping mechanism (3).

5. The tear test device for tear-resistant nonwoven fabric according to claim 2, characterized in that: The connecting plate (4) is fixedly mounted on the side wall of the base (12) of the first pressing mechanism (2), and the top of the connecting plate (4) is flush with the base (12).

6. The tear test device for tear-resistant nonwoven fabric according to claim 2, characterized in that: The observation mechanism (5) comprises a fixed rod (51), the fixed rod (51) being fixedly mounted on the side wall of the base (12) of the first clamping mechanism (2), the top of the fixed rod (51) being slidably connected to a sliding frame (52) in an "L"-shaped structure, the surface of the sliding frame (52) being provided with a long hole, the interior of the long hole being slidably connected to a sliding block (53), the surface of the sliding block (53) being slidably penetrated by a long rod (54), the end of the long rod (54) being fixedly mounted with a microscope (55).

7. An experimental device, characterized in that: A tearing test device comprising the tear-resistant nonwoven fabric according to any one of claims 1 to 6.

Images