Fixing device for testing tensile property of chemical fiber cloth

Abstract

The utility model discloses a fixing device for chemical fiber cloth tension performance test, which relates to the technical field of cloth performance test equipment, and adopts the technical scheme that the fixing device comprises a test board, a sliding chute is formed in the top of the test board, two sliding blocks are arranged in the sliding chute, support frames are fixedly arranged at the tops of the two sliding blocks, and a fixing mechanism is arranged on one side of each support frame; the fixing mechanism comprises two circular plates, the two circular plates are connected with the supporting frame through bearings, fixing shells are fixedly arranged on one sides of the two circular plates, threaded rods are connected to one sides of the fixing shells through bearings, rotating knobs are fixedly connected to one ends of the threaded rods, and the rotating directions of threads on the two sides of the outer portions of the threaded rods are opposite. The chemical fiber cloth tension testing device has the advantages that the chemical fiber cloth is effectively prevented from slipping in the testing process, the cloth fixing stability in the testing process is improved, accordingly, the accuracy of tension testing is guaranteed, the chemical fiber cloth is further fixed through puncturing, and additional fixing force is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of cloth performance testing equipment, in particular to a fixing device for testing the tensile performance of chemical fiber cloth. Background Art

[0002] Chemical fiber fabrics are a new type of clothing material developed in recent times and come in a wide variety. This primarily refers to fabrics made from pure, blended, or interwoven chemical fibers. This refers to fabrics woven from pure chemical fibers, excluding blends or interwovens with natural fibers. The properties of chemical fiber fabrics are determined by the properties of the chemical fibers from which they are woven.

[0003] Existing fixtures for testing the tensile properties of chemical fiber fabrics are generally fixed by means of a splint. Since the surface of the splint is relatively smooth, the chemical fiber fabric is easily dislodged during the tensile properties test, resulting in inaccurate measurement accuracy and considerable inconvenience in use. Utility Model Content

[0004] To this end, the utility model provides a fixing device for testing the tensile properties of chemical fiber fabrics, so as to solve the problem that the fixing device for testing the tensile properties of chemical fiber fabrics is generally fixed by a plywood. Since the surface of the plywood is relatively smooth, the chemical fiber fabric is easy to fall off during the tensile performance test of the chemical fiber fabric, resulting in inaccurate measurement accuracy and considerable inconvenience in use.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a fixing device for testing the tensile properties of chemical fiber fabrics, comprising a test bench, a slide groove is provided on the top of the test bench, two sliders are provided inside the slide groove, a support frame is fixed on the top of each of the two sliders, and a fixing mechanism is provided on one side of the support frame;

[0006] The fixing mechanism includes two circular plates, and the two circular plates are connected to the support frame through bearings. A fixed shell is fixedly provided on one side of the two circular plates, and a threaded rod is connected to one side of the fixed shell through a bearing. A rotating knob is fixedly connected to one end of the threaded rod, and the threads on both sides of the outside of the threaded rod have opposite rotation directions. Sliding seats are provided on both sides of the outside of the threaded rod through threaded sleeves, and one side of the two sliding seats is movably connected to a connecting plate through a rotating shaft, and one side of the two connecting plates is movably connected to a side plate through a rotating shaft, and a pressure plate is fixedly provided on one side of the side plate, and a clamping assembly is provided on one side of the pressure plate.

[0007] Preferably, a plurality of first card plates and a second card plate are fixedly provided at the bottom of the pressure plate, and a plurality of second card plate slots and first card plate slots are opened on one side of the fixed shell, the second card plate slots match the second card plates, and the first card plate slots match the first card plates.

[0008] Preferably, the clamping assembly includes a rotating rod, which passes through the pressure plate and is connected to the pressure plate through a bearing, and the external fixed sleeve of the rotating rod is provided with two cams, and the interior of the pressure plate is provided with two clamping units, and the clamping unit includes a square plate, and the square plate is provided inside the pressure plate, and the square plate is in contact with the cams, and a plurality of sliding rods are fixedly provided inside the pressure plate, and the sliding rods pass through the square plate and are slidably connected to the square plate, and the external sleeve of the sliding rod is provided with a spring, and a plurality of pins are fixedly provided at the bottom of the square plate, and the pins pass through the pressure plate.

[0009] Preferably, a plurality of limiting holes are provided on one side of the fixed housing, and the limiting holes match the insertion pins.

[0010] Preferably, a side groove is provided on one side of the fixed shell.

[0011] Preferably, one end of the rotating rod is fixedly connected to a square rod, a sliding block is provided on the outside of the rotating rod through a bearing sleeve, the sliding block slides inside the side groove, a threaded sleeve is fixedly provided on one side of the sliding block, and a threaded knob is connected to one side of the threaded sleeve through a thread, and the square rod passes through the threaded knob and is slidably connected to the threaded knob.

[0012] Preferably, a first motor is fixedly provided on one side of the test bench, and a screw is fixedly connected to the output end of the first motor. The threads on both sides of the screw have opposite rotation directions, and the screw passes through the two sliders and is connected to the sliders through threads.

[0013] Preferably, support columns are fixedly provided at the four corners of the bottom of the test bench.

[0014] Preferably, a second motor is fixedly provided on one side of the support frame, and an output end of the second motor is fixedly connected to the fixed housing.

[0015] The embodiment of the utility model has the following advantages:

[0016] Through the clamping mechanism of the pressure plate and the fixed shell, combined with the matching of the first and second clamping plates with the corresponding clamping plate slots, the chemical fiber fabric is effectively prevented from slipping during the test, and the fabric fixation stability during the test is improved, thereby ensuring the accuracy of the tensile test. The cam and pin design in the clamping assembly further fixes the chemical fiber fabric by puncture, adding additional fixing force. The distance between the pressure plate and the fixed shell can be easily adjusted to adapt to chemical fiber fabrics of different thicknesses and materials, thereby improving the versatility and flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0019] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0020] Figure 2 A three-dimensional diagram of the fixing mechanism provided by the utility model;

[0021] Figure 3 A cross-sectional view of the fixing mechanism provided by the utility model;

[0022] Figure 4 A three-dimensional diagram of the fixed housing provided by the utility model;

[0023] Figure 5 A three-dimensional diagram of the pressing plate provided by the utility model;

[0024] Figure 6 A cross-sectional view of the fixed housing provided by the utility model;

[0025] Figure 7 A three-dimensional diagram of the compression unit provided by the present utility model;

[0026] Figure 8 The utility model provides Figure 3 A magnified view of the structure of the middle part A;

[0027] Figure 9 The utility model provides Figure 3 Enlarged view of the structure of part B in the middle.

[0028] In the figure: 1. test bench; 2. slider; 3. support frame; 4. round plate; 5. fixed shell; 6. slide groove; 7. first motor; 8. screw rod; 9. support column; 10. pressure plate; 11. connecting plate; 12. side plate; 13. rotating knob; 14. side groove; 15. threaded sleeve; 16. threaded knob; 17. square rod; 18. sliding block; 19. second motor; 20. threaded rod; 21. sliding seat; 22. rotating rod; 23. first clamping plate; 24. second clamping plate; 25. second clamping plate groove; 26. limiting hole; 27. first clamping plate groove; 28. pin; 29. ​​cam; 30. square plate; 31. spring; 32. sliding rod. DETAILED DESCRIPTION

[0029] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0030] Refer to the attached Figure 1 -Attached Figure 9 The present invention provides a fixing device for testing the tensile properties of chemical fiber fabrics, comprising a test bench 1, a slide groove 6 is provided on the top of the test bench 1, two sliders 2 are provided inside the slide groove 6, a support frame 3 is fixed on the top of the two sliders 2, and a fixing mechanism is provided on one side of the support frame 3;

[0031] The fixing mechanism includes two circular plates 4, and the two circular plates 4 are connected to the support frame 3 through bearings. A fixed shell 5 is fixed on one side of the two circular plates 4, and a threaded rod 20 is connected to one side of the fixed shell 5 through a bearing. One end of the threaded rod 20 is fixedly connected to a rotating knob 13, and the threads on both sides of the outer sides of the threaded rod 20 are rotated in opposite directions. A sliding seat 21 is provided on both sides of the outer side of the threaded rod 20 through a threaded sleeve, and one side of the two sliding seats 21 is movably connected to a connecting plate 11 through a rotating shaft. One side of the two connecting plates 11 is movably connected to a side plate 12 through a rotating shaft, and a pressure plate 10 is fixed on one side of the side plate 12. A clamping assembly is provided on one side of the pressure plate 10, and a plurality of first clamping plates 23 and a second clamping plate 24 are fixed on the bottom of the pressure plate 10. A plurality of second clamping plate slots 25 and a first clamping plate slot 27 are opened on one side of the fixed shell 5, and the second clamping plate slot 25 matches the second clamping plate 24, and the first clamping plate slot 27 matches the first clamping plate 23;

[0032] In this embodiment, the chemical fiber cloth is passed through the fixed housing 5, and then the rotating knob 13 is rotated. The rotating knob 13 drives the two sliding seats 21 to move closer to each other, and the sliding seat 21 drives the connecting plate 11 to move. The connecting plate 11 drives the side plate 12 to move, and the side plate 12 drives the pressing plate 10 to move downward, so that the pressing plate 10 and the fixed housing 5 clamp the chemical fiber cloth. At the same time, the second clamping plate 24 presses the chemical fiber cloth into the second clamping plate groove 25, and the first clamping plate 23 presses the chemical fiber cloth into the first clamping plate groove 27, thereby increasing the friction force and pressing the chemical fiber cloth tightly.

[0033] Among them, in order to achieve the purpose of clamping, the present device adopts the following technical solutions: the clamping assembly includes a rotating rod 22, the rotating rod 22 passes through the pressure plate 10 and is connected to the pressure plate 10 through a bearing, the rotating rod 22 is fixedly sleeved with two cams 29 on the outside, and the pressure plate 10 is internally provided with two clamping units, the clamping unit includes a square plate 30, the square plate 30 is arranged inside the pressure plate 10, the square plate 30 is in contact with the cam 29, a plurality of sliding rods 32 are fixedly provided inside the pressure plate 10, the sliding rods 32 pass through the square plate 30 and are slidably connected to the square plate 30, a spring 31 is sleeved on the outside of the sliding rod 32, a plurality of pins 28 are fixedly provided at the bottom of the square plate 30, the pins 28 pass through the pressure plate 10, a plurality of limiting holes 26 are opened on one side of the fixed shell 5, the limiting holes 26 match the pins 28, the fixed shell 5 A side groove 14 is provided on one side, and one end of the rotating rod 22 is fixedly connected to a square rod 17. A sliding block 18 is provided on the outside of the rotating rod 22 through a bearing sleeve. The sliding block 18 slides inside the side groove 14. A threaded sleeve 15 is fixed on one side of the sliding block 18. A threaded knob 16 is threadedly connected to one side of the threaded sleeve 15. The square rod 17 passes through the threaded knob 16 and is slidably connected to the threaded knob 16. The threaded knob 16 is rotated and rotated in the threaded sleeve 15. The threaded knob 16 drives the square rod 17 to rotate, and the square rod 17 drives the rotating rod 22 to rotate. The rotating rod 22 drives the cam 29 to rotate, and the cam 29 pushes the square plate 30 to move downward. The spring 31 at the bottom of the square plate 30 is compressed. At the same time, the pin 28 at the bottom of the square plate 30 moves out of the pressing plate 10 and passes through the chemical fiber cloth and enters the limiting hole 26, further puncturing and fixing the chemical fiber cloth;

[0034] Among them, in order to achieve the purpose of tensile testing, this device adopts the following technical solutions: a first motor 7 is fixedly provided on one side of the test bench 1, and a screw rod 8 is fixedly connected to the output end of the first motor 7. The threads on both sides of the screw rod 8 are rotated in opposite directions. The screw rod 8 passes through the two sliders 2 and is connected to the sliders 2 by threads. By starting the first motor 7, the first motor 7 drives the screw rod 8 to rotate, and the screw rod 8 drives the two sliders 2 to move to both sides, which is convenient for tensile performance testing;

[0035] Among them, in order to achieve the purpose of support, this device adopts the following technical solution: support columns 9 are fixed at the four corners of the bottom of the test bench 1, and the support columns 9 have the function of supporting the test bench 1;

[0036] Among them, in order to achieve the purpose of winding and fixing, this device adopts the following technical solution: a second motor 19 is fixedly provided on one side of the support frame 3, and the output end of the second motor 19 is fixedly connected to the fixed shell 5. When the second motor 19 is started, the second motor 19 can wind the chemical fiber cloth to further fix the chemical fiber cloth.

[0037] The use process of the present utility model is as follows: when using the present utility model, the chemical fiber cloth is passed through the fixed housing 5, and then the rotating knob 13 is rotated. The rotating knob 13 drives the two sliding seats 21 to approach each other, and the sliding seat 21 drives the connecting plate 11 to move. The connecting plate 11 drives the side plate 12 to move, and the side plate 12 drives the pressing plate 10 to move downward, so that the pressing plate 10 and the fixed housing 5 clamp the chemical fiber cloth. At the same time, the second card 24 presses the chemical fiber cloth into the second card groove 25, and the first card 23 presses the chemical fiber cloth into the first card groove 27 to increase the friction force so that the chemical fiber cloth is pressed. Then, the threaded knob 16 is rotated and moved in the threaded sleeve 15, and the threaded knob 16 drives the square rod 1 7 rotates, the square rod 17 drives the rotating rod 22 to rotate, the rotating rod 22 drives the cam 29 to rotate, the cam 29 pushes the square plate 30 to move down, the spring 31 at the bottom of the square plate 30 is compressed, and at the same time, the pin 28 at the bottom of the square plate 30 moves out of the pressure plate 10 and passes through the chemical fiber cloth and enters the inside of the limiting hole 26, further puncturing and fixing the chemical fiber cloth, starting the second motor 19, the second motor 19 can wind the chemical fiber cloth to further fix the chemical fiber cloth, and then pass the other side of the chemical fiber cloth through another fixed shell 5 and repeat the above operation to fix it, completing the fixation of both ends of the chemical fiber cloth, by starting the first motor 7, the first motor 7 drives the screw rod 8 to rotate, and the screw rod 8 drives the two sliders 2 to move to both sides, thereby performing a tensile performance test.

[0038] The above description is merely a preferred embodiment of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.

Claims

1. A fixture for testing the tensile properties of chemical fiber fabrics, comprising a test bench (1), characterized in that: The test bench (1) has a slide groove (6) on the top, two sliders (2) are provided inside the slide groove (6), a support frame (3) is fixed on the top of the two sliders (2), and a fixing mechanism is provided on one side of the support frame (3); The fixing mechanism comprises two circular plates (4), the two circular plates (4) are connected to the support frame (3) through bearings, a fixed housing (5) is fixedly provided on one side of the two circular plates (4), a threaded rod (20) is connected to one side of the fixed housing (5) through a bearing, one end of the threaded rod (20) is fixedly connected to a rotating knob (13), the threads on the two sides of the threaded rod (20) are rotated in opposite directions, and sliding seats (21) are provided on the two sides of the threaded rod (20) through threaded sleeves, one side of the two sliding seats (21) is movably connected to a connecting plate (11) through a rotating shaft, one side of the two connecting plates (11) is movably connected to a side plate (12) through a rotating shaft, a pressure plate (10) is fixedly provided on one side of the side plate (12), and a clamping assembly is provided on one side of the pressure plate (10).

2. A fixing device for testing the tensile properties of chemical fiber fabrics according to claim 1, characterized in that: A plurality of first card plates (23) and second card plates (24) are fixedly provided at the bottom of the pressure plate (10), and a plurality of second card plate slots (25) and first card plate slots (27) are provided on one side of the fixed housing (5), wherein the second card plate slots (25) match the second card plates (24), and the first card plate slots (27) match the first card plates (23).

3. The fixing device for testing the tensile properties of chemical fiber fabrics according to claim 1, characterized in that: The clamping assembly includes a rotating rod (22), the rotating rod (22) passes through the pressure plate (10) and is connected to the pressure plate (10) through a bearing, the rotating rod (22) is fixedly sleeved with two cams (29) on the outside, and the pressure plate (10) is provided with two clamping units, the clamping unit includes a square plate (30), the square plate (30) is provided inside the pressure plate (10), the square plate (30) is in contact with the cams (29), a plurality of sliding rods (32) are fixedly provided inside the pressure plate (10), the sliding rods (32) pass through the square plate (30) and are slidably connected to the square plate (30), the sliding rods (32) are sleeved with springs (31) on the outside, and a plurality of pins (28) are fixedly provided at the bottom of the square plate (30), and the pins (28) pass through the pressure plate (10).

4. A fixing device for testing the tensile properties of chemical fiber fabrics according to claim 3, characterized in that: A plurality of limiting holes (26) are provided on one side of the fixed housing (5), and the limiting holes (26) match the insertion pins (28).

5. The fixing device for testing the tensile properties of chemical fiber fabrics according to claim 3, characterized in that: A side groove (14) is provided on one side of the fixed housing (5).

6. The fixing device for testing the tensile properties of chemical fiber fabrics according to claim 5, characterized in that: One end of the rotating rod (22) is fixedly connected to a square rod (17); a sliding block (18) is provided on the outside of the rotating rod (22) through a bearing sleeve; the sliding block (18) slides inside the side groove (14); a threaded sleeve (15) is fixedly provided on one side of the sliding block (18); a threaded knob (16) is connected to one side of the threaded sleeve (15) through a thread; the square rod (17) passes through the threaded knob (16) and is slidably connected to the threaded knob (16).

7. The fixing device for testing the tensile properties of chemical fiber fabrics according to claim 1, characterized in that: A first motor (7) is fixedly provided on one side of the test bench (1), and a screw rod (8) is fixedly connected to the output end of the first motor (7). The screw rod (8) has threads on both sides of its exterior that rotate in opposite directions. The screw rod (8) passes through the two sliders (2) and is connected to the sliders (2) via threads.

8. The fixing device for testing the tensile properties of chemical fiber fabrics according to claim 1, characterized in that: Support columns (9) are fixedly provided at the four corners of the bottom of the test bench (1).

9. The fixing device for testing the tensile properties of chemical fiber fabrics according to claim 1, characterized in that: A second motor (19) is fixedly provided on one side of the support frame (3), and an output end of the second motor (19) is fixedly connected to the fixed housing (5).

Images