A fabric rubbing resistance testing apparatus with quick-change sample holder

Abstract

The utility model discloses a kind of fabric friction resistance test equipment of quick replacement sample clamp, belong to textile detection field, including support, the support top is provided with workbench, the workbench top is provided with pedestal, and the friction mechanism for fabric sample is arranged, the pedestal top is provided with the sample clamping mechanism for quick clamping fabric sample, one side of the pedestal is provided with quick release mechanism, the sample clamping mechanism and pedestal are realized quick dismounting by quick release mechanism, the utility model is clamped and fixed to sample fabric by the sample clamping mechanism of being set, operation is convenient, can be done by hand, significantly improve the accuracy of test result, without tool, greatly improve test efficiency, by the quick release mechanism of being set, it is convenient to quickly dismount to sample clamping mechanism, to easily switch different function's sample clamping mechanism, strong universality, it is favorable to improve the practicability of device.

Description

Technical Field

[0001] This utility model relates to the field of textile testing technology, and in particular to a fabric abrasion resistance testing device with a quick-change sample clamp. Background Technology

[0002] In the textile industry, the abrasion resistance of fabrics is one of the important indicators for evaluating fabric quality, directly affecting the service life and appearance stability of finished fabric products. Fabric abrasion resistance testing equipment simulates the friction scenarios of fabrics during actual use to test their abrasion resistance, providing key data support for fabric quality control and product development. Fabric abrasion resistance testing is an important testing method for evaluating the color fastness and abrasion resistance of textiles. In existing technologies, abrasion testing equipment mostly uses a robotic arm to drive a friction rod to rub the sample back and forth. However, in actual testing, multiple samples of the same product need to be randomly cut (e.g., 3 samples each in the warp and weft directions), and the contact surface of the friction rod needs to be changed or the angle adjusted after each test. Traditional fixtures usually use bolts and pressure plates to fix the sample. Each time the sample is changed, tools (such as wrenches) are needed to loosen multiple bolts, remove the pressure plate, replace the new sample, and then retighten the bolts. In addition, traditional fixtures are fixed to the main unit by bolts. When changing different fixtures to meet diverse testing needs, operators need to use special tools to disassemble and install the fixing parts on the fixture one by one, which is cumbersome and inefficient. Utility Model Content

[0003] The purpose of this invention is to solve the problems of low efficiency and cumbersome operation of the fixture replacement in the existing fabric abrasion resistance testing equipment, and to propose a fabric abrasion resistance testing equipment with quick sample fixture replacement.

[0004] To achieve the above objectives, the present invention employs the following technology: a fabric abrasion resistance testing device with a quick-change sample clamp, comprising a support, a worktable on the top of the support, a base on the top of the worktable, and a friction mechanism for the fabric sample. The top of the base is provided with a sample clamping mechanism for quickly clamping the fabric sample, and a quick-release mechanism is provided on one side of the base. The sample clamping mechanism and the base are quickly disassembled and assembled through the quick-release mechanism.

[0005] As a further description of the above technical solution: the friction mechanism includes a mounting bracket fixed to the top of the worktable, a hydraulic cylinder fixedly mounted on the top of the mounting bracket, a piston rod fixedly connected to the output end of the hydraulic cylinder, a drive motor provided at the bottom end of the piston rod, and a friction head fixedly connected to the output shaft of the drive motor.

[0006] As a further description of the above technical solution: the quick-release mechanism includes a through groove opened inside the base, a through hole opened on the top of the base and connected to the through groove, and a limiting component set inside the base. A worm gear is rotatably connected to one side of the base, and a rotating rod is rotatably connected to the inner wall of one side of the through groove through a bearing. A worm wheel fixedly sleeved on the rotating rod is engaged on the side of the worm gear located in the through groove. A sleeve is fixedly connected to one end of the rotating rod, and a first permanent magnet is set inside the sleeve.

[0007] As a further description of the above technical solution: the quick-release mechanism also includes a second permanent magnet that is adapted to the through hole and fixed at the bottom of the sample clamping mechanism, and the end of the worm gear passing through the base is rotatably connected to the inner wall of the through groove through a bearing.

[0008] As a further description of the above technical solution: the limiting component includes symmetrically formed recesses on the worm gear and mounting holes formed in the base. A second spring is provided in the mounting hole, and a steel ball adapted to the recess is fixedly connected to the top of the second spring.

[0009] As a further description of the above technical solution: the sample clamping mechanism includes a connecting seat disposed above the base. A groove is formed on the inner wall of one side of the connecting seat. A guide rod is disposed in the groove. A first spring is sleeved on the guide rod. A slider that is movably connected to the groove is movably sleeved at the end of the guide rod near the first spring. A movable clamping ring is fixedly connected to one end of the slider. Several equidistantly distributed magnetic rods are fixedly connected to the bottom of the movable clamping ring. A placement plate is fixedly connected to the top of the connecting seat. A insertion hole corresponding to the magnetic rod is formed on the top of the placement plate, and an iron block that is magnetically attracted to the magnetic rod is disposed in the insertion hole.

[0010] As a further description of the above technical solution: the movable clamping ring and the side of the placement plate that are close to each other are provided with anti-slip buffer pads, and the surface of the anti-slip buffer pads is provided with anti-slip texture.

[0011] As a further description of the above technical solution: positioning rods are fixedly connected to the four corners of the bottom of the connecting seat, and positioning holes adapted to the positioning rods are opened on the top of the base.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: This invention features a convenient sample clamping mechanism that allows for manual clamping and fixation of the sample fabric. The rebound force of the first spring, the uniform magnetic attraction between the magnetic rod and the iron block, and the anti-slip buffer pad protect the sample fabric from damage, resulting in a more secure clamping and fixation. This significantly improves the accuracy of test results, eliminates the need for tools, and greatly enhances testing efficiency. It is particularly suitable for batch testing, shortening product development and quality inspection cycles. The quick-release mechanism creates a modular testing platform, facilitating rapid assembly and disassembly of the sample clamping mechanism and easy switching between different functional sample clamping mechanisms. Its versatility meets the complex and diverse testing needs of modern laboratories, enhancing the practicality of the device. Attached Figure Description

[0013] Figure 1 A schematic diagram of the overall structure according to an embodiment of the present utility model is shown; Figure 2 A schematic diagram of a friction mechanism according to an embodiment of the present invention is shown; Figure 3 An exploded view of the connection between the sample clamping mechanism and the quick-release mechanism according to an embodiment of the present invention is shown. Figure 4 A schematic diagram of the quick-release mechanism according to an embodiment of the present utility model is shown; Figure 5 It shows Figure 4 Enlarged view of point A in the middle; Figure 6 A schematic diagram of the sample clamping mechanism provided according to an embodiment of the present invention is shown; Figure 7 It shows Figure 6 Enlarged view of point B in the middle.

[0014] Legend: 1. Support; 2. Workbench; 3. Base; 4. Sample clamping mechanism; 41. Connecting seat; 42. Slide groove; 43. Guide rod; 44. First spring; 45. Slider; 46. Movable clamping ring; 47. Anti-slip buffer pad; 48. Placement tray; 49. Insertion hole; 410. Iron block; 411. Magnetic insertion rod; 5. Friction mechanism; 51. Mounting bracket; 52. Hydraulic cylinder; 53. Piston rod; 54. Drive motor; 55. Friction head; 6. Quick release mechanism; 61. Through groove; 62. Worm gear; 63. Worm wheel; 64. Rotating rod; 65. Sleeve; 66. First permanent magnet; 67. Second permanent magnet; 68. Mounting hole; 69. Second spring; 610. Steel ball; 611. Recess; 612. Through hole; 7. Positioning rod; 8. Positioning hole. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0016] Reference Figures 1-7 This embodiment provides a fabric abrasion resistance testing device with a quick-change sample clamp, including a support 1, a workbench 2 on the top of the support 1, a base 3 on the top of the workbench 2, and a friction mechanism 5 for fabric samples. The friction mechanism 5 includes a mounting frame 51 fixed to the top of the workbench 2, a hydraulic cylinder 52 fixedly mounted on the top of the mounting frame 51, a piston rod 53 fixedly connected to the output end of the hydraulic cylinder 52, a drive motor 54 at the bottom end of the piston rod 53, and a friction head 55 fixedly connected to the output shaft of the drive motor 54. A sample clamping mechanism 4 for quickly clamping the fabric sample is provided on the top of the base 3, and a quick-release mechanism 6 is provided on one side of the base 3. The sample clamping mechanism 4 and the base 3 can be quickly disassembled and assembled through the quick-release mechanism 6. The sample clamping mechanism 4 includes a connecting seat 41 disposed above the base 3. A groove 42 is provided on the inner wall of one side of the connecting seat 41. A guide rod 43 is disposed in the groove 42. A first spring 44 is sleeved on the guide rod 43. A slider 45 that is movably connected to the groove 42 is movably sleeved at one end of the guide rod 43 near the first spring 44. A movable clamping ring 46 is fixedly connected to one end of the slider 45. Several magnetic inserts 411 are fixedly connected to the bottom of the movable clamping ring 46 at equal intervals. A placement plate 48 is fixedly connected to the top of the connecting seat 41. An insertion hole 49 corresponding to the magnetic insert 411 is provided on the top of the placement plate 48. An iron block 410 that is magnetically attracted to the magnetic insert 411 is disposed in the insertion hole 49. Anti-slip buffer pads 47 are provided on the sides of the movable clamping ring 46 and the placement plate 48 that are close to each other. Anti-slip textures are provided on the surface of the anti-slip buffer pads 47.

[0017] Specifically, in use, first pull the slider 45 upwards. The slider 45 slides upwards along the groove 42, squeezing the first spring 44, thereby causing the movable clamping ring 46 to move upwards and disengage from the placement tray 48. Then, the fabric sample is laid flat on the placement tray 48 of the sample clamping mechanism 4. Subsequently, the slider 45 is released. Under the rebound force of the first spring 44, the slider 45 is pushed downwards along the guide rod 43, thereby causing the movable clamping ring 46 to move downwards and instantly press the fabric sample, so that the magnetic insert 411 is inserted into the insertion hole 49 and magnetically attracted to the iron block 410. With the cooperation of the movable clamping ring 46 and the anti-slip buffer pad 47 set on the surface of the placement tray 48, the fabric sample is pressed evenly and flatly, ensuring that the test area is taut. Through the rebound force of the first spring 44 and the magnetic insert 411, the fabric sample is pressed evenly and flatly, ensuring that the test area is taut. The magnetic attraction between the 11 and the iron block 410 makes the fabric sample more firmly and reliably pressed and fixed, and also makes the pressing and fixing of the fabric sample more convenient. Then, by setting parameters such as stroke, number of times, and speed through the control panel, the hydraulic cylinder 52 is started, which drives the piston rod 53 to extend downward, thereby driving the friction head 55 to move down and pass through the movable clamping ring 46 to release it from the fabric sample. Then, by starting the drive motor 54, the drive motor 54 drives the friction head 55 to rotate, performing precise frictional motion on the fabric sample to perform abrasion resistance testing on the fabric sample. After one test is completed, the slider 45 is pushed upward by hand to remove the tested sample, place a new sample, and repeat the above operation, thereby realizing "instant switching" between fabric samples, which can improve testing efficiency. When all tests in a batch are completed and it is necessary to switch to a different type of test task, the operator only needs to rotate the worm gear 62 on the base 3 by 180 degrees, so that the first permanent magnet 66 and the second permanent magnet 67 are opposite each other with the same pole, generating a repulsive force. This repulsive force will smoothly push the sample clamping mechanism 4 away from the base 3, and the operator can easily remove the entire fixture and install a fixture suitable for the next test task. The operation is convenient, effectively improving the efficiency of fixture replacement and making it easy to use.

[0018] Furthermore, positioning rods 7 are fixedly connected to the four corners of the bottom of the connecting seat 41, and positioning holes 8 that are adapted to the positioning rods 7 are opened on the top of the base 3.

[0019] Specifically, the positioning rod 7 and the positioning hole 8 cooperate to facilitate the initial positioning and installation of the sample clamping mechanism 4, and to facilitate the precise assembly and disassembly of the sample clamping mechanism 4.

[0020] Furthermore, the quick-release mechanism 6 includes a through groove 61 inside the base 3, a through hole 612 on the top of the base 3 communicating with the through groove 61, and a limiting component set inside the base 3. A worm gear 62 is rotatably connected to one side of the base 3. A rotating rod 64 is rotatably connected to the inner wall of one side of the through groove 61 via a bearing. A worm wheel 63 fixedly sleeved on the rotating rod 64 is engaged on the side of the worm gear 62 located inside the through groove 61. A sleeve 65 is fixedly connected to one end of the rotating rod 64. A first permanent magnet 66 is set inside the sleeve 65. The quick-release mechanism 6 also includes a second permanent magnet 67 fixed to the bottom of the sample clamping mechanism 4 and adapted to the through hole 612. One end of the worm gear 62 passes through the base 3 and is rotatably connected to the inner wall of the through groove 61 via a bearing. The limiting component includes recesses 611 symmetrically formed on the worm gear 62 and mounting holes 68 formed in the base 3. A second spring 69 is provided in the mounting hole 68, and a steel ball 610 adapted to the recesses 611 is fixedly connected to the top of the second spring 69.

[0021] Specifically, after the sample clamping mechanism 4 is installed, the north pole (N) of the first permanent magnet 66 in the base 3 is aligned with the south pole (S) of the movable clamping ring 46 at the bottom of the connecting seat 41. Utilizing the principle of attraction between opposite poles of the first permanent magnet 66 and the second permanent magnet 67, the sample clamping mechanism 4 is firmly installed on the base 3. The matching of the positioning rod 7 and the positioning hole 8 facilitates the installation of the sample clamping mechanism 4 and makes its installation more stable. When the sample clamping mechanism 4 needs to be replaced, hold the handle of the worm gear 62 firmly and rotate the worm gear 62 smoothly clockwise or counterclockwise. The meshing of the worm gear 62 and the worm wheel 63 drives the rotating rod 64 to rotate, thereby driving the sleeve 65 to rotate, which in turn causes the first permanent magnet 66 to rotate 180 degrees within the through groove 61. In the initial state, the recess 611 at the top of the worm 62 is the "unlock" slot, and the recess 611 at the top of the worm 62 is the "lock" slot. At this time, the steel ball 610 is inserted into the top recess 611 under the rebound force of the second spring 69. The feedback that the positioning ball slides out of the "lock" slot and falls into the "unlock" slot indicates that the rotation has been completed. After the first permanent magnet 66 is rotated 180 degrees, the magnetic poles of the first permanent magnet 66 and the second permanent magnet 67 have changed from attraction to repulsion. The old sample clamping mechanism 4 is gently pushed away from the base 3 by a force, creating a small gap. By holding the old sample clamping mechanism 4 with your hand and lifting it vertically upward, it can be completely removed from the base 3. It is very easy to remove without pulling it. According to the next test standard or sample type, select the corresponding new sample clamping mechanism 4, align the positioning rod 7 with the positioning hole 8 and insert it, insert the second permanent magnet 67 into the through hole 612, and then rotate the worm gear 62 again so that the first permanent magnet 66 rotates 180 degrees and returns to the initial "locked" position, indicating that the magnetic poles have switched to the attraction state. The first permanent magnet 66 and the second permanent magnet 67 attract each other, so that the sample clamping mechanism 4 is firmly locked. The operation is convenient and it is easy to quickly disassemble and assemble the sample clamping mechanism 4.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A fabric abrasion resistance testing device with a quick-change sample clamp, characterized in that, Includes a bracket (1), a workbench (2) on the top of the bracket (1), a base (3) on the top of the workbench (2), a friction mechanism (5) for fabric samples, a sample clamping mechanism (4) for quickly clamping fabric samples on the top of the base (3), and a quick-release mechanism (6) on one side of the base (3). The sample clamping mechanism (4) and the base (3) are quickly disassembled and assembled through the quick-release mechanism (6).

2. The fabric abrasion resistance testing device with quickly interchangeable sample clamps according to claim 1, characterized in that, The friction mechanism (5) includes a mounting bracket (51) fixed on the top of the workbench (2). A hydraulic cylinder (52) is fixedly mounted on the top of the mounting bracket (51). A piston rod (53) is fixedly connected to the output end of the hydraulic cylinder (52). A drive motor (54) is provided at the bottom end of the piston rod (53). A friction head (55) is fixedly connected to the output shaft of the drive motor (54).

3. The fabric abrasion resistance testing device with quickly interchangeable sample clamps according to claim 1, characterized in that, The quick-release mechanism (6) includes a through groove (61) inside the base (3), a through hole (612) on the top of the base (3) connected to the through groove (61), and a limiting component set in the base (3). A worm gear (62) is rotatably connected to one side of the base (3). A rotating rod (64) is rotatably connected to the inner wall of one side of the through groove (61) through a bearing. A worm wheel (63) is fixedly sleeved on the rotating rod (64) on one side of the worm gear (62) located in the through groove (61). A sleeve (65) is fixedly connected to one end of the rotating rod (64). A first permanent magnet (66) is set inside the sleeve (65).

4. The fabric abrasion resistance testing device with a quickly interchangeable sample clamp according to claim 3, characterized in that, The quick-release mechanism (6) also includes a second permanent magnet (67) that is adapted to the through hole (612) and fixed at the bottom of the sample clamping mechanism (4). The worm (62) passes through one end of the base (3) and is rotatably connected to the inner wall of the through groove (61) through a bearing.

5. The fabric abrasion resistance testing device with a quickly changeable sample clamp according to claim 3, characterized in that, The limiting component includes a recess (611) symmetrically opened on the worm (62) and a mounting hole (68) opened in the base (3). A second spring (69) is provided in the mounting hole (68), and a steel ball (610) adapted to the recess (611) is fixedly connected to the top of the second spring (69).

6. The fabric abrasion resistance testing device with quickly interchangeable sample clamps according to claim 1, characterized in that, The sample clamping mechanism (4) includes a connecting seat (41) disposed above the base (3). A groove (42) is provided on the inner wall of one side of the connecting seat (41). A guide rod (43) is provided in the groove (42). A first spring (44) is sleeved on the guide rod (43). A slider (45) that is movably connected to the groove (42) is movably sleeved at one end of the guide rod (43) near the first spring (44). A movable clamping ring (46) is fixedly connected at one end of the slider (45). Several magnetic inserts (411) are fixedly connected at the bottom of the movable clamping ring (46). A placement plate (48) is fixedly connected at the top of the connecting seat (41). A insertion hole (49) corresponding to the magnetic insert (411) is provided at the top of the placement plate (48). An iron block (410) that is magnetically attracted to the magnetic insert (411) is provided in the insertion hole (49).

7. A fabric abrasion resistance testing device with a quickly interchangeable sample clamp according to claim 6, characterized in that, The movable clamping ring (46) and the placement plate (48) are both provided with anti-slip buffer pads (47) on the side that are close to each other, and the surface of the anti-slip buffer pads (47) is provided with anti-slip texture.

8. The fabric abrasion resistance testing device with a quickly interchangeable sample clamp according to claim 6, characterized in that, The bottom four corners of the connecting seat (41) are fixedly connected with positioning rods (7), and the top of the base (3) is provided with positioning holes (8) that are compatible with the positioning rods (7).

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