A textile color fastness testing device

Abstract

The utility model discloses a textile color fastness testing arrangement relates to color fastness testing arrangement technical field, and its technical scheme is: including frame component, be equipped with test drive assembly in frame component, test drive assembly top is equipped with test movable assembly, frame component top is equipped with test pressure assembly, and the beneficial effect of a kind of textile color fastness testing arrangement is: through electric push rod in test pressure assembly provides controllable driving force, cooperate pressure sensor and pressure display to realize the real -time monitoring and accurate adjustment of friction pressure, replace traditional pressure plate deadweight pressure mode, effectively avoid the pressure fluctuation caused by mechanical vibration, sample surface unevenness etc., ensure that actual friction pressure is consistent with preset value, greatly improve the accuracy and repeatability of test result, simultaneously, operator can adjust pressure value according to different textile types quickly, need not to replace pressure plate, and operation efficiency is significantly improved.

Description

Technical Field

[0001] This utility model relates to the technical field of color fastness testing devices, specifically to a color fastness testing device for textiles. Background Technology

[0002] In the fields of textile production, trade, and application, color fastness is one of the core indicators for evaluating textile quality. It is directly related to the appearance retention, durability, and safety of textiles during use. Among them, rubbing color fastness, as a key item in color fastness testing, is mainly used to determine the degree of color fading of textiles under friction. It is an important basis for judging whether textiles meet industry standards and market demands. Textile color fastness testing devices typically include a sample fixing mechanism, a friction actuator, and a drive component. Its working principle is roughly as follows: the textile sample is fixed on the testing platform, and the drive component drives the friction head (usually a standard friction cloth or friction head, etc.) to contact the sample surface and perform reciprocating friction motion, simulating the friction action that textiles are subjected to in actual use. Then, by comparing the color fading of the sample and the friction medium after friction, the color fastness is evaluated.

[0003] The friction pressure of existing testing devices relies on the weight of the pressure plate connected to the friction head. This method is susceptible to fluctuations in pressure due to mechanical vibration, uneven sample surface, and wear of the friction medium, resulting in deviations between the actual pressure and the preset value, thus reducing the accuracy of the test. Furthermore, pressure adjustment requires changing pressure plates of different weights, which is cumbersome, inefficient, and lacks real-time monitoring, affecting controllability and reliability. Utility Model Content

[0004] To address this issue, this invention provides a textile color fastness testing device that solves the problem of the friction pressure of the testing device relying on the weight of the pressure plate connected to the friction head by coordinating the testing pressure component and the testing moving component.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a textile color fastness testing device, comprising a frame assembly, a test drive assembly inside the frame assembly, a test movable assembly on the top of the test drive assembly, and a test pressure assembly on the top of the frame assembly. The frame assembly includes a frame, with two limiting grooves fixedly disposed inside the frame. The test drive assembly includes a reduction motor, with a drive shaft at the output end of the reduction motor. A swing arm is fixedly disposed on the top of the drive shaft, and a sliding column is fixedly connected to the top of the swing arm. The test movable assembly includes a movable seat with two sliders fixedly disposed at the bottom, and a connecting block is fixedly connected between the two sliders. A sliding groove is formed inside the connecting block. A textile fixing component is disposed on the top of the movable seat. The test pressure assembly includes an electric push rod, with a connecting rod fixedly connected to the output end of the electric push rod. A pressure sensor is fixedly connected to the bottom of the connecting rod, and a test friction head is fixedly connected to the bottom of the pressure sensor. A pressure display is connected to one side of the pressure sensor.

[0006] Preferably, the geared motor is fixedly installed inside the frame, the output end of the geared motor is fixedly connected to the bottom of the drive shaft, and the top of the drive shaft passes through one side wall of the frame and is connected to the side wall of the frame through a bearing.

[0007] Preferably, the top of the sliding column extends into the interior of the sliding groove, and a bearing is sleeved on the outside of the sliding column, and the sliding column is slidably connected to the sliding groove through the bearing.

[0008] Preferably, one side of the slider extends into the limiting groove, and a plurality of balls are embedded in one side of the slider, and the slider is slidably connected to the limiting groove through the balls.

[0009] Preferably, the textile fixing component includes a sample placement platform, which is fixedly mounted on the top of the movable seat. A textile sample is placed on the top of the sample placement platform, and a sample pressure frame is placed on the outside of the textile sample. A friction head obstacle avoidance groove is opened on the top of the sample pressure frame, and connecting ears are fixedly provided on both sides of the friction head obstacle avoidance groove. A clamping bolt is inserted into each of the two connecting ears.

[0010] Preferably, the bottoms of both clamping bolts extend into the movable seat and are threadedly connected to the movable seat.

[0011] Preferably, the connecting rod passes through the top of the frame and is connected to the top of the frame via a bearing.

[0012] Preferably, the pressure display is fixedly connected to one side wall of the frame.

[0013] The present invention has the following advantages: The test pressure assembly provides controllable driving force through an electric push rod, which, together with a pressure sensor and pressure display, enables real-time monitoring and precise adjustment of friction pressure. This replaces the traditional pressure application method that relies on the weight of the pressure plate, effectively avoiding pressure fluctuations caused by mechanical vibration, uneven sample surfaces, and other factors. It ensures that the actual friction pressure is consistent with the preset value, significantly improving the accuracy and repeatability of test results. At the same time, operators can quickly adjust the pressure value according to different textile types without replacing the pressure plate, significantly improving operational efficiency. The sample placement stage, sample clamping frame, and clamping bolts work together to firmly fix the sample, preventing it from shifting or wrinkling during friction. The test drive component and test moving component use bearings, ball bearings, and other drag-reducing structures to stably convert the circular motion into the reciprocating linear motion of the sample. The cooperation between the slider and the limiting groove ensures accurate motion trajectory. The combination of these two components makes the friction process uniform and stable, avoiding test errors caused by sample loosening or movement deviation, and improving the overall reliability of the test. Attached Figure Description

[0014] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0016] Figure 1 The front perspective view provided for this utility model; Figure 2 This is a partial sectional perspective view of the right side of the present invention. Figure 3 The right-side partial sectional exploded perspective view provided for this utility model; Figure 4 Exploded perspective view of the textile fixing component provided by this utility model; Figure 5 Bottom perspective view of the test activity component provided by this utility model; Figure 6 Exploded perspective view of the connection relationship at the test drive component provided by this utility model; Figure 7 A perspective view of the test pressure application component provided by this utility model.

[0017] In the diagram: 10 Frame assembly, 11 Frame, 12 Limiting groove, 20 Test drive assembly, 201 Gear motor, 202 Drive shaft, 203 Swing arm, 204 Sliding column, 30 Test movable assembly, 301 Movable seat, 302 Slider, 303 Connecting block, 304 Slide groove, 305 Sample placement stage, 306 Sample pressure frame, 307 Friction head obstacle avoidance groove, 308 Connecting ear, 309 Clamping bolt, 310 Textile sample, 40 Test pressure assembly, 401 Electric push rod, 402 Connecting rod, 403 Pressure sensor, 404 Test friction head, 405 Pressure display. Detailed Implementation

[0018] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] See attached document Figure 1 -Appendix Figure 7 This utility model provides a textile color fastness testing device, including a frame assembly 10, a test drive assembly 20 inside the frame assembly 10, a test movable assembly 30 on the top of the test drive assembly 20, and a test pressure application assembly 40 on the top of the frame assembly 10. The frame assembly 10 includes a frame 11, with two limiting grooves 12 fixedly installed inside the frame 11. The test drive assembly 20 includes a reduction motor 201, a drive shaft 202 at the output end of the reduction motor 201, a swing arm 203 fixedly installed on the top of the drive shaft 202, and a sliding column 204 fixedly connected to the top of the swing arm 203. The test activity component 30 includes a movable seat 301 with two sliders 302 fixedly mounted on the bottom, a connecting block 303 fixedly connected between the two sliders 302, a groove 304 opened inside the connecting block 303, and a textile fixing component on the top of the movable seat 301. The test pressure component 40 includes an electric push rod 401, a connecting rod 402 fixedly connected to the output end of the electric push rod 401, a pressure sensor 403 fixedly connected to the bottom of the connecting rod 402, a test friction head 404 fixedly connected to the bottom of the pressure sensor 403, and a pressure display 405 connected to one side of the pressure sensor 403. In this implementation scheme, to address the issues of unstable pressure, cumbersome adjustment, and lack of monitoring associated with traditional devices that rely on the weight of a pressure plate for pressure application, the pressure application component 40 and the moving component 30 work together to achieve precise pressure control, real-time monitoring, and stable sample reciprocating friction, thereby improving testing accuracy and efficiency. The pressure application component is driven by an electric push rod 401, which, in conjunction with a pressure sensor 403 and a display 405, adjusts the pressure. The drive component 20 and the moving component 30 drive the sample reciprocating, ensuring stable friction. To stably drive the moving component 30 and ensure smooth and precise sample movement, a reduction motor 201 is fixed to the frame 11, connected to a drive shaft 202 that passes through the side wall of the frame and is connected by bearings. A sliding column 204, fitted with bearings, extends into a sliding groove 304 and slides. A slider 302, fitted with balls, extends into a limiting groove 12 and slides. When the motor is running, the drive shaft drives... The circular motion of the movable swing arm 203 and the sliding column is converted into the reciprocating linear motion of the connecting block 303 via the sliding groove. The slider and the limiting groove cooperate to limit the movement and prevent deviation and jamming. To fix the sample and prevent displacement: the sample placement stage 305 is fixed to the movable seat 301, the sample is placed on it, and the sample pressure frame 306 is covered on the outside. The pressure frame has a barrier avoidance groove 307. The connecting ears 308 on both sides are screwed into the movable seat through bolts 309. The placement stage provides a flat base, and the pressure frame presses the sample tightly with bolts. The barrier avoidance groove ensures that the friction head contacts the sample. To realize pressure adjustment, monitoring and stable lifting of the friction head: the connecting rod 402 passes through the top of the frame and is connected by a bearing. The display 405 is fixed to the frame. The electric push rod drives the sensor 403 and the friction head 404 to lift and lower to adjust the pressure via the connecting rod. The bearing connection ensures stability, and the sensor detects the pressure in real time and transmits it to the display for accurate adjustment. To achieve stable transmission of the test drive component 20 to the test moving component 30, the device employs the following technical solution: A geared motor 201 is fixedly mounted inside the frame 11. The output end of the geared motor 201 is fixedly connected to the bottom of the drive shaft 202. The top of the drive shaft 202 penetrates one side wall of the frame 11 and is connected to the side wall of the frame 11 via a bearing. The top of the sliding column 204 extends into the sliding groove 304. A bearing is fitted around the outside of the sliding column 204, and the sliding column 204 is slidably connected to the sliding groove 304 via the bearing. One side of the slider 302 extends into the limiting groove 12. Multiple balls are embedded on one side of the slider 302, and the slider 302 is slidably connected to the limiting groove 12 via the balls. After the geared motor 201 starts, its output torque is transmitted to the swing arm 203 through the drive shaft 202. Because the drive shaft 202 is connected to the frame 11 via a bearing, the torque is effectively reduced. To prevent radial runout during rotation, the swing arm 203 is ensured to perform circular motion at a stable angular velocity. When the swing arm 203 drives the sliding column 204 to rotate synchronously, the bearing on the outside of the sliding column 204 rolls into contact with the inner wall of the groove 304, converting sliding friction into rolling friction. This reduces energy loss and mechanical wear during transmission, making the sliding column 204 slide more smoothly in the groove 304. At the same time, the slider 302 is embedded in the limiting groove 12, and the ball on one side rolls into contact with the inner wall of the limiting groove 12. This not only forms a rigid constraint on the direction of movement of the movable seat 301, preventing the movable seat 301 from shifting laterally during reciprocating motion, but also further reduces the resistance to movement. This allows the movable seat 301 to move smoothly with the reciprocating motion of the connecting block 303, ultimately driving the textile sample 310 to complete the reciprocating friction action below the test friction head 404 at a uniform speed and with a stable trajectory. To ensure that the textile sample 310 remains flat and stable during the friction test, the device employs the following technical solution: The textile fixing component includes a sample placement platform 305, which is fixedly mounted on top of the movable seat 301. The textile sample 310 is fitted onto the top of the sample placement platform 305, and a sample pressure frame 306 is fitted around the textile sample 310. A friction head obstacle avoidance groove 307 is provided on the top of the sample pressure frame 306. Connecting ears 308 are fixedly provided on both sides of the friction head obstacle avoidance groove 307. Each connecting ear 308 has a clamping bolt 309 inserted inside. The bottom of each clamping bolt 309 extends into the movable seat 301 and is threadedly connected to the movable seat 301. The sample placement platform 305 provides a flat and rigid support base for the textile sample 310, and its fixed connection with the movable seat 301 ensures that the platform moves with the movable seat. Stability during step movement; placing the textile sample 310 on the sample placement stage 305 initially defines the sample's position, preventing large-scale horizontal movement; after the sample clamping frame 306 is placed outside the textile sample 310, the clamping bolt 309 is inserted through the connecting ear 308 and screwed into the movable seat 301, and the locking force of the threaded connection makes the sample clamping frame 306 tightly pressed against the sample surface, firmly fixing the sample between the sample placement stage 305 and the sample clamping frame 306, effectively preventing the sample from wrinkling or shifting due to force during reciprocating friction; at the same time, the friction head obstacle avoidance groove 307 opened on the top of the sample clamping frame 306 provides sufficient movement space for the test friction head 404 while ensuring that the sample is fully fixed, allowing the friction head to directly contact the sample surface for friction testing, avoiding interference from the sample clamping frame on the friction action, and ensuring the accuracy of the friction area. To ensure the stability of the lifting and lowering process of the test friction head 404 and to guarantee precise and controllable pressure application, the device employs the following technical solution: A connecting rod 402 passes through the top of the frame 11 and is connected to the top of the frame 11 via a bearing. The pressure display 405 is fixedly connected to one side wall of the frame 11. The connecting rod 402 serves as the force transmission component between the electric push rod 401, the pressure sensor 403, and the test friction head 404. Its bearing connection structure with the top of the frame 11 effectively constrains the radial displacement of the connecting rod 402, preventing the test friction head 404 from colliding with the textile sample 310 due to rod wobbling during the driving of the electric push rod 401. The contact position offset ensures that the friction head always acts perpendicularly to the sample surface, providing structural protection for stable pressure application. At the same time, the pressure display 405 is fixed to the side wall of the frame 11, which not only allows the operator to observe the real-time pressure data transmitted by the pressure sensor 403 at any time during the test, but also ensures the stability of the display device through fixed installation, avoiding the impact of vibration and other factors on the accuracy of data reading. When the electric push rod 401 adjusts the pressure between the test friction head 404 and the sample, the operator can adjust the push rod stroke in real time according to the value of the pressure display 405, quickly calibrating the pressure to the preset value, which significantly improves the efficiency and accuracy of pressure adjustment.

[0020] The usage process of this utility model is as follows: When using this utility model, connect an external power source. Sample pretreatment: Select a representative textile sample 310, cut it to the specified size according to the test standard requirements, and ensure that the sample is wrinkle-free and undamaged. If the sample is required for wet testing, it needs to be soaked in distilled water at the specified temperature until saturated before taking it out and gently pressing it with filter paper to remove excess water from the surface. Friction medium installation: If a standard friction cloth is used as the friction medium, wrap the standard friction cloth flat on the surface of the test friction head 404 and fix it with a special clamp to ensure that the friction cloth is wrinkle-free and fits tightly with the friction head. If a metal or ceramic friction head is used, check whether the surface of the friction head is smooth and unworn, and polish it if necessary. Sample Fixation: The pretreated textile sample 310 is laid flat on the sample placement stage 305. The sample position is adjusted so that the friction area is located at the center of the sample. The sample clamping frame 306 is placed over the sample. The clamping bolt 309 is inserted through the connecting ear 308 and tightened to firmly fix the sample clamping frame 306 to prevent the sample from shifting during the test. After the test drive component 20 is started, its output end drives the drive shaft 202 to rotate stably at the set speed. Since the top of the drive shaft 202 is fixedly connected to the swing arm 203, the swing arm 203 moves in a circular motion synchronously with the drive shaft 202, thereby driving the sliding column 204 at the top of the swing arm 203 to rotate along the circular trajectory. At this time, the top of the sliding column 204 extends into the groove 304 of the connecting block 303. Furthermore, the bearing sleeved on the outside of the sliding column 204 contacts the inner wall of the sliding groove 304. When the sliding column 204 makes a circular motion, it slides relative to the sliding groove 304, and at the same time generates a horizontal thrust on the connecting block 303. Since the connecting block 303 is fixedly connected to the two sliders 302 at the bottom of the movable seat 301, and one side of the slider 302 is embedded in the limiting groove 12 inside the frame 11, under the guidance of the limiting groove 12, the connecting block 303 cannot make a circular motion with the sliding column 204, but is converted into a reciprocating linear motion in the horizontal direction. The multiple balls embedded on one side of the slider 302 contact the inner wall of the limiting groove 12, which significantly reduces the friction during the sliding process, so that the movable seat 301 moves along the limiting groove 12 under the drive of the connecting block 303. The movable seat 301 moves smoothly back and forth along its length, and the textile sample 310 on top of the movable seat 301 moves synchronously with the movable seat 301, thereby realizing a reciprocating friction action under the test friction head 404. Throughout the process, the speed of the reduction motor 201 determines the reciprocating frequency of the movable seat 301. By adjusting the output speed of the reduction motor 201, the number of frictions and the friction speed between the textile sample 310 and the test friction head 404 can be precisely controlled to meet the requirements of different test standards for friction conditions. At the same time, since the sliding column 204 and the sliding groove 304 are connected by bearings, the mechanical loss and vibration during the transmission process are effectively reduced, ensuring that the reciprocating motion of the movable seat 301 is stable and reliable, thus providing a guarantee for the accuracy of the rubbing color fastness test.After the friction test is completed, the test drive component 20 is turned off, and the test pressure component 40 is activated to raise the test friction head 404. Then, the textile sample 310 and the friction medium (such as used friction cloth) are removed for subsequent comparison of the test results.

[0021] The above are merely preferred embodiments of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A textile color fastness testing device, comprising a frame assembly (10), characterized in that: The rack assembly (10) is equipped with a test drive assembly (20) inside, and a test moving assembly (30) is provided on the top of the test drive assembly (20). The rack assembly (10) is equipped with a test pressure assembly (40) on the top. The rack assembly (10) includes a rack (11), and two limiting slots (12) are fixedly provided inside the rack (11). The test drive assembly (20) includes a geared motor (201), and a drive shaft (202) is provided at the output end of the geared motor (201). A swing arm (203) is fixedly provided on the top of the drive shaft (202), and a sliding column (204) is fixedly connected to the top of the swing arm (203). The test moving assembly (30) includes a movable... Two sliders (302) are fixedly provided at the bottom of the movable seat (301), and a connecting block (303) is fixedly connected between the two sliders (302). A groove (304) is provided inside the connecting block (303). A textile fixing component is provided at the top of the movable seat (301). The test pressure assembly (40) includes an electric push rod (401). A connecting rod (402) is fixedly connected to the output end of the electric push rod (401). A pressure sensor (403) is fixedly connected to the bottom of the connecting rod (402). A test friction head (404) is fixedly connected to the bottom of the pressure sensor (403). A pressure display (405) is connected to one side of the pressure sensor (403).

2. The textile color fastness testing device according to claim 1, characterized in that: The geared motor (201) is fixedly installed inside the frame (11). The output end of the geared motor (201) is fixedly connected to the bottom of the transmission shaft (202). The top of the transmission shaft (202) passes through one side wall of the frame (11) and is connected to one side wall of the frame (11) through a bearing.

3. The textile color fastness testing device according to claim 1, characterized in that: The top of the sliding column (204) extends into the interior of the sliding groove (304), and a bearing is sleeved on the outside of the sliding column (204). The sliding column (204) is slidably connected to the sliding groove (304) through the bearing.

4. The textile color fastness testing device according to claim 1, characterized in that: The slider (302) extends into the limiting groove (12) on one side, and a plurality of balls are embedded on one side of the slider (302). The slider (302) is slidably connected to the limiting groove (12) through the balls.

5. The textile color fastness testing device according to claim 1, characterized in that: The textile fixing component includes a sample placement platform (305), which is fixedly mounted on the top of the movable seat (301). A textile sample (310) is fitted on the top of the sample placement platform (305). A sample pressure frame (306) is fitted on the outside of the textile sample (310). A friction head obstacle avoidance groove (307) is opened on the top of the sample pressure frame (306). Connecting ears (308) are fixed on both sides of the friction head obstacle avoidance groove (307). A clamping bolt (309) is inserted into each of the two connecting ears (308).

6. The textile color fastness testing device according to claim 5, characterized in that: The bottom of both clamping bolts (309) extends into the interior of the movable seat (301) and is threadedly connected to the movable seat (301).

7. The textile color fastness testing device according to claim 1, characterized in that: The connecting rod (402) passes through the top of the frame (11) and is connected to the top of the frame (11) via a bearing.

8. The textile color fastness testing device according to claim 1, characterized in that: The pressure display (405) is fixedly connected to one side wall of the frame (11).

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