A device for testing the elastic limit of a textile needle

Abstract

The utility model provides a kind of elasticity limit testing device of textile needle. Including support plate, the support plate top is equipped with top plate, the top plate top is equipped with cylinder, the output of the cylinder is equipped with test pressure head, the support plate is provided with horizontal direction's sliding slot, the sliding slot is slidably installed with sliding block, the sliding block below is hinged with connecting plate. In the utility model, since there is significant length difference in textile needle, for example, long needle for hooking wool yarn and short needle for mending cloth, by designing two groups of spacing adjustable bearing wheels, not only can the support spacing be flexibly adjusted according to the size of different models of textile needle, to ensure that all kinds of needle body are always in the optimal test posture, but also by changing the relative position of the two groups of bearing wheels, the experimental data under different stress support points can be effectively obtained, multi-working-condition comparison test is realized, the flexibility and adaptability of the equipment are improved, and the practicability is higher.

Description

Technical Field

[0001] This utility model relates to the performance testing of textile machinery, and in particular to a device for testing the elastic limit of textile needles, belonging to the field of textile machinery testing technology. Background Technology

[0002] In the textile industry, textile needles are key components, and their elastic limit performance directly affects the quality of textile products and production efficiency. Different types of textile needles, such as long needles for crocheting yarn and short needles for mending fabric, face complex and varied stress conditions in actual operation. Accurately determining the elastic limit of textile needles is crucial for ensuring the stable operation of textile machinery and preventing production failures such as needle breakage.

[0003] Currently, traditional textile needle elasticity testing devices use loading methods, such as relying solely on weights, which makes it difficult to achieve precise and adjustable loading rate control. In actual textile production, the force on textile needles is often dynamically changing, and this constant loading mode cannot simulate real working conditions, resulting in significant deviations between test results and actual usage.

[0004] Furthermore, some existing testing equipment has poor versatility in supporting mechanisms for textile needles, making it difficult to adapt to textile needles of different lengths and thicknesses. It also lacks flexibility and cannot flexibly adjust the spacing between support points according to the specific dimensions of the textile needle. In addition, it cannot obtain experimental data under different load positions by changing the spacing of the support points, making it difficult to achieve multi-condition testing and resulting in low adaptability of the device.

[0005] Furthermore, when the textile needles break at their stress limit during testing, there is a lack of effective protective measures, and the flying needle fragments can easily injure operators, thus requiring improvement.

[0006] To address this, a device for testing the elastic limit of textile needles is proposed. Utility Model Content

[0007] In view of this, the present invention provides a device for testing the elastic limit of textile needles to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial option.

[0008] The technical solution of this utility model is implemented as follows: an elastic limit testing device for textile needles includes a support plate, a top plate installed above the support plate, a cylinder installed above the top plate, a test pressure head installed at the output end of the cylinder, a horizontal groove provided in the support plate, a slider slidably installed in the groove, a connecting plate hinged below the slider, a rotating shaft rotatably installed below the support plate, a worm gear installed on the rotating shaft, a connecting plate also installed on the rotating shaft, a worm rotatably installed below the support plate, a frame plate installed above the slider, and a bearing wheel rotatably installed inside the frame plate.

[0009] More preferably, the worm and the worm wheel mesh with each other, and the worm wheel coincides with the central axis of the rotating shaft.

[0010] More preferably, a throttle is installed at one end of the worm gear, and the connecting plate is hinged to the connecting plate.

[0011] More preferably, the support plate is provided with vertical plates around its perimeter, and the bearing wheel is V-shaped.

[0012] More preferably, a horizontal plate is installed at the output end of the cylinder, an L-shaped plate is installed on the horizontal plate, an arc-shaped groove is provided on the support plate, a connecting seat is installed on the support plate, a baffle is rotatably installed on the connecting seat, a vertical through groove is provided on the support plate, and a protruding plate is also installed on the baffle.

[0013] More preferably, the convex plate is located below the L-shaped plate, and the baffle is made of acrylic.

[0014] More preferably, a support plate is provided on the support plate, and a soft pad is installed on the top of the support plate.

[0015] The present invention has the following advantages due to the adoption of the above technical solution:

[0016] I. In this utility model, due to the significant differences in the length of textile needles, such as the large difference in specifications between long needles used for crocheting yarn and short needles used for mending fabric, by designing two sets of adjustable bearing wheels, not only can the support spacing be flexibly adjusted according to the size of different models of textile needles to ensure that all types of needles are always in the optimal testing posture; but also, by changing the relative position of the two sets of bearing wheels, experimental data under different force support points can be effectively obtained, realizing multi-condition comparative testing, improving the flexibility and adaptability of the equipment, and making it highly practical.

[0017] Second, in this utility model, by setting a self-lifting baffle, when the cylinder drives the test head to move downward to carry out the test, it will simultaneously drive the L-shaped plate to move downward, so that it contacts the convex plate and applies pressure, thereby causing the baffle to rise upward around the connecting seat. This linkage design can form a protective barrier in the event of an accident during the test (such as the textile needle breaking and splashing due to excessive force), providing reliable protection for the operators or observers outside the device, effectively avoiding accidental risks and greatly reducing safety hazards.

[0018] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the left side structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the upward-facing structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the right side structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the position and structure of the support plate in this utility model.

[0025] Reference numerals: 1. Support plate; 2. Top plate; 3. Cylinder; 4. Test head; 5. Slide groove; 6. Slider; 7. Connecting plate; 8. Rotating shaft; 9. Connecting plate; 10. Worm gear; 11. Worm; 12. Turning handle; 13. Frame plate; 14. Bearing wheel; 15. Horizontal plate; 16. L-shaped plate; 17. Arc groove; 18. Connecting seat; 19. Baffle; 20. Through groove; 21. Protruding plate; 22. Bearing plate. Detailed Implementation

[0026] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0027] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0028] like Figure 1-5As shown, this utility model embodiment provides an elastic limit testing device for textile needles, including a support plate 1, a top plate 2 installed above the support plate 1, a cylinder 3 installed above the top plate 2, a test pressure head 4 installed at the output end of the cylinder 3, a horizontal groove 5 provided in the support plate 1, a slider 6 slidably installed in the groove 5, a connecting plate 7 hinged below the slider 6, a rotating shaft 8 rotatably installed below the support plate 1, a worm gear 10 installed on the rotating shaft 8, a connecting plate 9 also installed on the rotating shaft 8, a worm 11 rotatably installed below the support plate 1, a frame plate 13 installed above the slider 6, and a bearing wheel 14 rotatably installed inside the frame plate 13.

[0029] In one embodiment, the worm 11 meshes with the worm wheel 10, and the worm wheel 10 coincides with the central axis of the rotating shaft 8. When the handle 12 at one end of the worm 11 is rotated, the worm 11 rotates accordingly. Under the meshing action of the worm 11 and the worm wheel 10, the worm wheel 10 drives the rotating shaft 8 to rotate synchronously.

[0030] In one embodiment, a throttle 12 is mounted on one end of the worm gear 11, and the connecting plate 7 is hinged to the connecting plate 9. The connecting plate 9 rotates with the rotation of the shaft 8, thereby pulling the connecting plate 7 through the hinge relationship with the connecting plate 7. The other end of the connecting plate 7 is hinged to the slider 6, thus causing the slider 6 to slide along the horizontal groove 5 of the support plate 1.

[0031] In one embodiment, the support plate 1 is provided with a vertical plate around its perimeter, and the bearing wheel 14 is V-shaped. The V-shaped bearing wheel 14 can stably support the needle body and prevent slippage during testing.

[0032] In one embodiment, a horizontal plate 15 is installed at the output end of cylinder 3, an L-shaped plate 16 is installed on the horizontal plate 15, an arc-shaped groove 17 is provided on the support plate 1, a connecting seat 18 is installed on the support plate 1, a baffle 19 is rotatably installed on the connecting seat 18, a vertical through groove 20 is provided on the support plate 1, and a protruding plate 21 is also installed on the baffle 19. This linkage design can form a protective barrier in the event of an accident during testing (such as the textile needle breaking and splashing due to excessive force), providing reliable protection for operators or observers outside the device, effectively avoiding accidental risks, and significantly reducing safety hazards.

[0033] In one embodiment, the protruding plate 21 is located below the L-shaped plate 16, and the baffle 19 is made of acrylic. The use of acrylic for the baffle 19 ensures that it does not obstruct the operator's observation of the testing process while reliably protecting personnel on the outside in case of an accident, thus achieving a balance between testing safety and observability.

[0034] In one embodiment, a support plate 22 is provided on the support plate 1, and a soft pad is installed on top of the support plate 22. The support plate 22 can support the baffle 19, while the soft pad can act as a buffer, preventing the acrylic sheet from breaking due to the impact force when the baffle 19 changes from a vertical to a flat position.

[0035] In operation, before testing, the distance between the two sets of bearing wheels 14 needs to be adjusted according to the length of the textile needle. First, rotate the handle 12 at one end of the worm 11, and the worm 11 will rotate accordingly. Under the meshing action of the worm 11 and the worm wheel 10, the worm wheel 10 drives the rotating shaft 8 to rotate synchronously. At this time, the connecting plate 9 rotates with the rotating shaft 8, and will pull the connecting plate 7 through the hinge relationship with the connecting plate 7. The other end of the connecting plate 7 is hinged to the slider 6, so it will drive the slider 6 to slide along the horizontal slide groove 5 of the support plate 1, thereby causing the bearing wheels 14 in the frame plate 13 above the slider 6 to move synchronously. Finally, the distance between the two sets of bearing wheels 14 can be flexibly adjusted to adapt to textile needles of different lengths and specifications. The V-shaped bearing wheels 14 can stably support the needle body and avoid slippage during testing. At the same time, by changing the distance between the bearing wheels 14, the working conditions under different force support points can be simulated to obtain multiple sets of test data.

[0036] After adjustment, the textile needle is placed on the two sets of bearing wheels 14. The equipment is started, and the output end of cylinder 3 extends, driving the test pressure head 4 downward to gradually apply pressure to the textile needle. At the same time, the horizontal plate 15 at the output end of cylinder 3 will synchronously drive the L-shaped plate 16 to move downward along the through groove 20 of the support plate 1. When the L-shaped plate 16 descends to contact the convex plate 21 on the baffle 19, it will continue to apply downward pressure to the convex plate 21. Under this pressure, the baffle 19 rotates upward around the connecting seat 18, and the convex plate 21 slides along the trajectory of the arc groove 17. As the test pressure head 4 continues to descend, the baffle 19 gradually rises to a near-vertical state, forming a protective barrier for the test area in conjunction with the vertical plates around the support plate 1. If the textile needle breaks and splashes due to excessive force during the test, the raised baffle 19 can effectively prevent the fragments from spreading outward, greatly reducing safety hazards.

[0037] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A device for testing the elastic limit of textile needles, characterized in that: The system includes a support plate (1), a top plate (2) mounted above the support plate (1), a cylinder (3) mounted above the top plate (2), a test pressure head (4) mounted at the output end of the cylinder (3), a horizontal sliding groove (5) provided in the support plate (1), a slider (6) slidably mounted in the sliding groove (5), a connecting plate (7) hinged below the slider (6), a rotating shaft (8) rotatably mounted below the support plate (1), a worm gear (10) mounted on the rotating shaft (8), a connecting plate (9) also mounted on the rotating shaft (8), a worm (11) rotatably mounted below the support plate (1), a frame plate (13) mounted above the slider (6), and a bearing wheel (14) rotatably mounted inside the frame plate (13).

2. The elastic limit testing device for textile needles according to claim 1, characterized in that: The worm (11) meshes with the worm wheel (10), and the worm wheel (10) coincides with the central axis of the rotating shaft (8).

3. The elastic limit testing device for textile needles according to claim 1, characterized in that: A throttle (12) is installed at one end of the worm (11), and the connecting plate (7) is hinged to the connecting plate (9).

4. The elastic limit testing device for textile needles according to claim 1, characterized in that: The support plate (1) is surrounded by vertical plates, and the bearing wheel (14) is V-shaped.

5. The elastic limit testing device for textile needles according to claim 1, characterized in that: A horizontal plate (15) is installed at the output end of the cylinder (3). An L-shaped plate (16) is installed on the horizontal plate (15). An arc groove (17) is provided on the support plate (1). A connecting seat (18) is installed on the support plate (1). A baffle (19) is rotatably installed on the connecting seat (18). A vertical through groove (20) is provided on the support plate (1). A protruding plate (21) is also installed on the baffle (19).

6. The elastic limit testing device for textile needles according to claim 5, characterized in that: The convex plate (21) is located below the L-shaped plate (16), and the baffle (19) is made of acrylic.

7. The elastic limit testing device for textile needles according to claim 5, characterized in that: A support plate (22) is provided on the support plate (1), and a soft pad is installed on the top of the support plate (22).

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