Polyamide yarn fabric product tensile property detection device

Abstract

The utility model discloses a polyamide yarn fabric product tensile strength detection device, which comprises a base, the top of the base is fixedly provided with a lower supporting plate through a support, the top of the lower supporting plate is provided with two vertically upward supporting columns, the tops of the two supporting columns are provided with an upper supporting plate, and the upper supporting plate is provided with a lower supporting plate. A lifting plate is arranged between the lower supporting plate and the upper supporting plate, and two pressure sensors are installed at one end of the top of the lifting plate. By means of the design structure that the first positioning plate and the second positioning plate are matched with the clamping block, an operator manually pulls the pull rod, the second positioning plate can easily overcome the elastic force of the compression spring to be away from the first positioning plate, a sufficient and convenient operation space is quickly reserved for fabric placement, and compared with a traditional clamping structure, the clamping structure has the advantages of being convenient to operate and high in practicability. Tedious bolt screwing or complex buckling operation is not needed, the fabric placing process is greatly simplified, and the operation time is saved.

Description

Technical Field

[0001] This utility model relates to the technical field of fabric testing equipment, specifically to a device for testing the tensile strength of nylon filament fabric products. Background Technology

[0002] With the continuous expansion of textile material applications and increasingly stringent product quality requirements, nylon fabrics, thanks to their superior properties such as high strength, abrasion resistance, and lightweight, are widely used in numerous industries, including outdoor sportswear, industrial protective equipment, and high-end bag manufacturing. As a core indicator for measuring the quality of nylon fabrics and determining their applicable scenarios and service life, accurate and efficient tensile strength testing is crucial.

[0003] Currently, there are many types of devices on the market for testing the tensile strength of fabrics. However, most traditional testing devices have obvious defects in the fabric clamping and fixing process. Some devices use bolt-tightening clamps, requiring operators to repeatedly turn the bolts to adjust the clamping distance to clamp and release the fabric. The whole process is cumbersome and time-consuming. For batch testing tasks, this greatly reduces testing efficiency and increases labor and time costs. During the stretching process, the fabric is very prone to slipping and falling off due to insecure clamping, resulting in distorted test data that cannot truly reflect the tensile strength of the fabric, rendering the test results worthless.

[0004] To address this issue, we have proposed a device for testing the tensile strength of nylon filaments and nylon products. Utility Model Content

[0005] The purpose of this invention is to provide a device for testing the tensile strength of nylon filament fabric products, in order to address the aforementioned shortcomings in the technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tensile strength testing device for nylon filament fabric products, comprising a base, a lower support plate fixedly mounted on the top of the base via a bracket, two vertically upward support columns mounted on the top of the lower support plate, an upper support plate mounted on the top of the two support columns, a lifting plate between the lower support plate and the upper support plate, two pressure sensors mounted on one top end of the lifting plate, a first positioning plate mounted on the top of the two pressure sensors and one top end of the lower support plate, a second positioning plate mounted on one side of the two first positioning plates, first positioning pieces fixedly mounted on the outer walls of both sides of the two second positioning plates, second positioning pieces fixedly mounted on the outer walls of both sides of the two first positioning plates, a guide rod fixedly mounted on one outer wall of the first positioning piece, a guide hole opened on the outer wall of the second positioning piece, the inner wall of the guide hole and the outer wall of the guide rod being slidably connected, and a compression spring sleeved on the outer wall of the second positioning piece away from the first positioning piece.

[0007] Preferably, a vertically downward servo motor is fixedly installed at the top center of the upper support plate. The output shaft of the servo motor passes through the outer wall of the upper support plate and is fixedly installed with a vertically downward external threaded rod via a coupling. An internal threaded lifting sleeve is fixedly installed on the top outer wall of the lifting plate through an opening. The inner wall of the internal threaded lifting sleeve and the outer wall of the external threaded rod are threadedly connected.

[0008] Preferably, a motor mounting cover is fixedly provided on the top outer wall of the upper support plate, and the servo motor is fixed to the inner wall of the motor mounting cover.

[0009] Preferably, the top outer wall of the lifting plate is fixedly provided with two sliding sleeves through an opening, and the inner wall of the sliding sleeves is slidably connected to the outer wall of the support column.

[0010] Preferably, a tie rod is fixedly provided on the outer wall of the two second positioning plates on the side away from the first positioning plate.

[0011] Preferably, a clamping block with a right-angled trapezoidal cross-section is fixed on one side of the first positioning plate and the second positioning plate, and the cross-section of the two clamping blocks is rectangular after they are joined together. Anti-slip stripes are provided on the outer wall of the first positioning plate, the second positioning plate and the clamping block on the side corresponding to them.

[0012] Preferably, a positioning block is fixedly provided on the outer wall of one end of the guide rod.

[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0014] With the design structure of the first positioning plate and the second positioning plate in conjunction with the clamping block, the second positioning plate can be easily moved away from the first positioning plate by the operator manually pulling the lever, thus quickly reserving sufficient and convenient operating space for fabric placement. Compared with the traditional clamping structure, there is no need for cumbersome bolt tightening or complicated buckle operation, which greatly simplifies the fabric placement process and saves operation time.

[0015] When the lever is released, the restoring force of the compression spring quickly pushes the second positioning plate closer to the first positioning plate, so that the two right-angled trapezoidal clamping blocks are precisely aligned to form a rectangular clamping area that closely fits the edge of the fabric. Combined with anti-slip stripes, this greatly increases the friction between the clamping plate and the fabric, preventing the fabric from slipping or shifting during the tensile testing process. This not only improves the efficiency of the testing operation but also reduces the difficulty of manual operation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1 This is a three-dimensional structural diagram of a tensile strength testing device for nylon filament fabric products according to the present invention;

[0018] Figure 2 This is a schematic diagram of the upper support plate structure of a tensile strength testing device for nylon filament fabric products according to this utility model;

[0019] Figure 3 This is a schematic diagram of the lifting plate structure of a tensile strength testing device for nylon filament fabric products according to this utility model;

[0020] Figure 4 This is a schematic diagram of the first positioning plate structure of a nylon filament fabric tensile strength testing device according to the present invention.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Base, 2. Lower support plate, 3. Support column, 4. Upper support plate, 5. Motor fixing cover, 6. Servo motor, 7. External threaded rod, 8. Lifting plate, 9. Internal threaded lifting sleeve, 10. Sliding sleeve, 11. Pressure sensor, 12. First positioning plate, 13. Second positioning plate, 14. Clamping block, 15. First positioning piece, 16. Second positioning piece, 17. Guide hole, 18. Guide rod, 19. Compression spring, 20. Pull rod. Detailed Implementation

[0023] The following drawings will disclose several embodiments of this utility model. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these physical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0024] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0025] Example 1

[0026] Refer to the instruction manual appendix Figure 1-4 A tensile strength testing device for nylon filament fabric products includes a base 1. A lower support plate 2 is fixedly mounted on the top of the base 1 by a bracket. Two support columns 3 are vertically upward mounted on the top of the lower support plate 2. An upper support plate 4 is fixedly connected to the top of the two support columns 3. The upper support plate 4 is parallel to the lower support plate 2 and their positions correspond to each other.

[0027] Example 2

[0028] Based on Embodiment 1, a motor mounting cover 5 is fixedly installed at the top center of the upper support plate 4. A vertically downward servo motor 6 is fixedly installed inside the motor mounting cover 5. The output shaft of the servo motor 6 passes through the outer wall of the upper support plate 4 and is fixedly connected to a vertically downward threaded rod 7 via a coupling. A lifting plate 8 is provided between the lower support plate 2 and the upper support plate 4. An internally threaded lifting sleeve 9 is fixedly installed on the top outer wall of the lifting plate 8 through an opening. The inner wall of the internally threaded lifting sleeve 9 is tightly connected to the outer wall of the externally threaded rod 7 via threads. When the servo motor 6 drives the externally threaded rod 7 to rotate, the internally threaded lifting sleeve 9 will drive the lifting plate 8 to move up and down along the externally threaded rod 7. Two sliding sleeves 10 are also fixedly installed on the top outer wall of the lifting plate 8 through an opening. The inner walls of the two sliding sleeves 10 are slidably connected to the outer walls of the two support columns 3 respectively, so that the lifting plate 8 remains stable during the lifting process.

[0029] Example 3

[0030] Based on Embodiment 1, two pressure sensors 11 are installed at the top end of the lifting plate 8. A first positioning plate 12 is installed at the top of both pressure sensors 11 and at the top end of the lower support plate 2. A second positioning plate 13 is provided at a corresponding position on one side of each of the two first positioning plates 12. First positioning pieces 15 are fixedly installed on the outer walls of both sides of the two second positioning plates 13, and second positioning pieces 16 are fixedly installed on the outer walls of both sides of the two first positioning plates 12. A guide rod 18 is fixedly connected to one outer wall of each first positioning piece 15. A guide hole 17 is formed on the outer wall of the second positioning piece 16. The outer wall of the guide rod 18 is slidably connected to the inner wall of the guide hole 17, allowing the second positioning plate 13 to move horizontally relative to the first positioning plate 12. A compression spring 19 is sleeved on the portion of the guide rod 18 located on the outer wall of the second positioning piece 16 away from the first positioning piece 15. A positioning block is fixedly installed on the outer wall of one end of the guide rod 18 to prevent the guide rod 18 from sliding out of the guide hole 17. The compression spring 19 provides a restoring force to the second positioning plate 13, allowing it to maintain its initial position when no external force is applied.

[0031] Example 4

[0032] Based on Embodiment 1, pull rods 20 are fixedly provided on the outer walls of the two second positioning plates 13 away from the first positioning plate 12, facilitating manual pulling of the second positioning plates 13 by the operator to clamp the nylon fabric. Clamping blocks 14 with a right-angled trapezoidal cross-section are fixedly provided on the corresponding sides of the first positioning plate 12 and the second positioning plate 13. When the two clamping blocks 14 are joined, their cross-section forms a rectangle, effectively clamping the nylon fabric. To enhance the clamping effect, anti-slip stripes are provided on the outer walls of the first positioning plate 12, the second positioning plate 13, and the clamping blocks 14 on their corresponding sides to prevent the nylon fabric from slipping during the inspection process.

[0033] Working principle of this utility model:

[0034] Refer to the instruction manual appendix Figure 1-4 During the tensile strength test of nylon fabric, the operator first manually pulls the lever 20 to move the second positioning plate 13 away from the first positioning plate 12, compressing the compression spring 19. The two ends of the nylon fabric are then placed between the first positioning plate 12 and the second positioning plate 13 on the lower support plate 2 and the lifting plate 8, respectively. The lever 20 is then released, and under the restoring force of the compression spring 19, the second positioning plate 13 moves closer to the first positioning plate 12, clamping the nylon fabric with the clamping block 14. The servo motor 6 is then started, driving the external threaded rod 7 to rotate, which in turn moves the lifting plate 8 upwards, stretching the nylon fabric. The pressure sensor 11 monitors the tensile force data in real time during the stretching process, thus completing the tensile strength test of the nylon fabric.

[0035] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A device for testing the tensile strength of nylon filament fabric products, comprising a base (1), characterized in that: The base (1) has a lower support plate (2) fixed to its top by a bracket. The lower support plate (2) has two vertically upward support columns (3) on its top. The two support columns (3) have an upper support plate (4) on their top. A lifting plate (8) is provided between the lower support plate (2) and the upper support plate (4). Two pressure sensors (11) are installed at one top end of the lifting plate (8). A first positioning plate (12) is installed at the top of both the two pressure sensors (11) and at one top end of the lower support plate (2). A second positioning plate (12) is provided on one side of each of the two first positioning plates (12). Positioning plate (13), two second positioning plates (13) are fixedly provided with first positioning pieces (15) on both sides of the outer wall, two first positioning plates (12) are fixedly provided with second positioning pieces (16) on both sides of the outer wall, one side of the outer wall of the first positioning piece (15) is fixedly provided with a guide rod (18), the outer wall of the second positioning piece (16) is provided with a guide hole (17), the inner wall of the guide hole (17) and the outer wall of the guide rod (18) are slidably connected, and the guide rod (18) is located on the outer wall of the second positioning piece (16) away from the first positioning piece (15) and is sleeved with a compression spring (19).

2. The tensile strength testing device for nylon filament fabric products according to claim 1, characterized in that: A vertically downward servo motor (6) is fixedly installed at the top center of the upper support plate (4). The output shaft of the servo motor (6) passes through the outer wall of the upper support plate (4) and is fixedly installed with a vertically downward external thread rod (7) through a coupling. An internal thread lifting sleeve (9) is fixedly installed on the top outer wall of the lifting plate (8) through an opening. The inner wall of the internal thread lifting sleeve (9) and the outer wall of the external thread rod (7) are threadedly connected.

3. The tensile strength testing device for nylon filament fabric products according to claim 2, characterized in that: The top outer wall of the upper support plate (4) is fixedly provided with a motor fixing cover (5), and the servo motor (6) is fixed to the inner wall of the motor fixing cover (5).

4. The tensile strength testing device for nylon filament fabric products according to claim 1, characterized in that: The top outer wall of the lifting plate (8) is fixed with two sliding sleeves (10) through an opening, and the inner wall of the sliding sleeve (10) is slidably connected to the outer wall of the support column (3).

5. The tensile strength testing device for nylon filament fabric products according to claim 1, characterized in that: A pull rod (20) is fixedly provided on the outer wall of the two second positioning plates (13) away from the first positioning plate (12).

6. The tensile strength testing device for nylon filament fabric products according to claim 1, characterized in that: The first positioning plate (12) and the second positioning plate (13) are fixedly provided with a clamping block (14) with a right-angled trapezoidal cross section on one side. After the two clamping blocks (14) are joined together, the cross section is rectangular. The outer wall of the first positioning plate (12), the second positioning plate (13) and the clamping block (14) is provided with anti-slip stripes.

7. The tensile strength testing device for nylon filament fabric products according to claim 1, characterized in that: A positioning block is fixedly provided on the outer wall of one end of the guide rod (18).

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