A device and method for measuring the tactile and visual comprehensive style of textile materials

Abstract

The present invention belongs to the technical field of textile precision measurement, and discloses a device and method for measuring the comprehensive touch and visual style of textile materials, including a platform support mechanism, a pressure feature mechanism, a pulling feature mechanism, and a deformation auxiliary feature mechanism; the pressure feature mechanism includes a pressure rod lifted and arranged on the platform support mechanism; the pulling feature mechanism includes a pulling rod arranged on the platform support mechanism; the deformation auxiliary feature mechanism includes an auxiliary support block slidably connected to the platform support mechanism, an auxiliary pressure rod is lifted and arranged above the auxiliary support block, and the textile material passes through the contact surface between the auxiliary pressure rod and the auxiliary support block. The device of the present invention has a sophisticated structure, and can obtain multiple mechanical performance indicators and surface morphology information of textile materials through a single device and a single test, thereby realizing an efficient, accurate, and convenient measurement state of the comprehensive touch and visual style of textile materials, and can be applied to the test and characterization of various flexible materials including textile materials.

Description

Technical Field

[0001] The invention belongs to the technical field of textile precision measurement, and in particular relates to a device and method for measuring the tactile-visual comprehensive style of textile materials. Background Art

[0002] With the continuous advancement of my country's industrialization process and the rapid development of textile technology, emerging textile materials are widely used in clothing, home textiles, medical, construction, aerospace and other fields; the comprehensive touch and vision style of textile materials refers to the comprehensive expression of the sensory impression of the physical and mechanical properties of textile materials acting on human touch and vision when human hands or skin and eyes come into contact with textile materials such as yarn and fabric. It mainly involves the mechanical properties of textile materials such as compression, bending, friction and stretching, and is an important evaluation indicator for the performance and function of textile materials.

[0003] At present, the testing equipment and testing methods mainly focus on single index and single performance testing, or use multiple independent instruments to test different performances. The testing cost is high, the testing time is long, the testing operation is complicated, the testing error is large, and it cannot provide accurate parameters, which is not convenient for promotion and application.

[0004] Therefore, it is necessary to develop a fast, accurate, effective and reliable measuring device and method for the comprehensive touch-visual style of textile materials to solve the above-mentioned technical problems. Summary of the invention

[0005] In order to solve the above technical problems, the present invention proposes a measuring device and method for the comprehensive tactile and visual style of textile materials. By designing a single measuring device, a single in-situ combined test of multiple mechanical properties and surface morphologies of textile materials can be realized, thereby realizing the evaluation of the comprehensive tactile and visual style of textile materials.

[0006] To achieve the above-mentioned object, the present invention provides a device for measuring the tactile and visual comprehensive style of a textile material, comprising a platform support mechanism, on which a pressure feature mechanism, a pulling feature mechanism and a deformation auxiliary feature mechanism are sequentially arranged along the traveling direction of the textile material;

[0007] The pressure characteristic mechanism comprises a pressure rod which is lifted and lowered on the platform support mechanism, and the textile material passes between the lower end surface of the pressure rod and the platform support mechanism;

[0008] The pull feature mechanism includes a pull rod disposed on the platform support mechanism, and the textile material slides across the upper end surface of the pull rod;

[0009] The deformation auxiliary feature mechanism includes an auxiliary support block slidably connected to the platform support mechanism, an auxiliary pressure rod is lifted and lowered above the auxiliary support block, and the textile material passes through the contact surface between the auxiliary pressure rod and the auxiliary support block.

[0010] Preferably, the pressure feature mechanism comprises a pressure vertical slide rail fixedly mounted on the platform support mechanism, the pressure rod slides longitudinally on the pressure vertical slide rail, and the pressure rod is transmission-connected to a pressure stepping motor arranged on the pressure vertical slide rail.

[0011] Preferably, the pulling feature mechanism comprises a pulling vertical slide rail fixedly mounted on the platform support mechanism, the pulling rod slides longitudinally on the pulling vertical slide rail, and the pulling rod is drivingly connected to a pulling stepping motor arranged on the pulling vertical slide rail.

[0012] Preferably, an auxiliary vertical slide rail is installed on the auxiliary support block, the auxiliary pressure rod is longitudinally slidably connected to the auxiliary vertical slide rail, and the auxiliary pressure rod is drivingly connected to a deformation auxiliary stepping motor arranged on the auxiliary vertical slide rail.

[0013] Preferably, the platform support mechanism comprises a support platform, a sliding groove is provided on the support platform, a driving assembly is arranged in the sliding groove, and the auxiliary support block is slidably connected in the sliding groove and is transmission-connected to the driving assembly.

[0014] Preferably, a bionic finger support block is embedded on the support platform and is arranged correspondingly to the pressure rod above and below, and the textile material passes through the contact surface between the bionic finger support block and the pressure rod.

[0015] Preferably, the top surface of the auxiliary support block is flush with the top surface of the support platform.

[0016] Preferably, the pulling rod includes a rod body which slides longitudinally on the pulling vertical slide rail, a hollow pulling frame is provided on the rod body, a first support block for supporting the textile material is provided at the bottom end of the inner cavity of the pulling frame, and the textile material slides over the curved surface at the top of the first support block.

[0017] Preferably, a visual feature mechanism for acquiring view information is provided on the support platform.

[0018] The present invention also discloses a measuring method based on a measuring device for the comprehensive touch-visual style of textile materials, comprising the following steps:

[0019] Pre-adjust the height of the pressure rod and the auxiliary pressure rod so that they are not in contact with the platform support mechanism and the auxiliary support block respectively; adjust the height of the pull rod so that the pull rod is at the same height as the platform support mechanism; adjust the position of the auxiliary support block left and right according to the length of the textile material to ensure that both ends of the textile material are beyond the pressure rod and the auxiliary support block respectively;

[0020] The pressure rod descends and contacts the platform support mechanism, and then continues to descend until the pressure value of the pressure rod reaches the set value, and the pressure and displacement data of the pressure rod are recorded in real time to obtain the slope value of the compression force and displacement curve and the index of the maximum displacement value; at this time, the auxiliary pressure rod and the auxiliary support block are still in a non-contact state, and the pulling rod remains stationary, and the image data of the textile material is recorded;

[0021] The pressure rod rises to a non-contact state with the platform support mechanism, and then continues to rise until it reaches a set value and stops; during this period, the auxiliary pressure rod and the auxiliary support block remain in a non-contact state, and the slope value of the bending force and displacement curve and the index of the maximum bending force value are obtained;

[0022] The pressure rod descends and contacts the platform support mechanism, the auxiliary pressure rod contacts the auxiliary support block to clamp the textile material, and then the pull rod continues to rise to a set value and then stops, and the slope value of the dynamic friction and displacement curve and the index of the maximum dynamic friction value are obtained; then the auxiliary pressure rod and the auxiliary support block move to the right by a set value and then stop, and the slope value of the static friction and displacement curve and the index of the maximum dynamic friction value are recorded;

[0023] The pressure rod and the auxiliary pressure rod continue to descend, further increasing the clamping force on the textile material; then, the pulling rod continues to rise to another set value and stops, obtaining the slope value of the dynamic tensile force and displacement curve and the index of the maximum dynamic friction value;

[0024] The characteristic values ​​of the test curve and the acquired image information are extracted, and different indicators of textile materials are obtained by analysis and calculation, so as to evaluate the comprehensive touch and visual style of textile materials.

[0025] Compared with the prior art, the present invention has the following advantages and technical effects: the present invention discloses a device and method for measuring the comprehensive touch-visual style of textile materials, including a pressure feature mechanism, a pulling feature mechanism, a deformation auxiliary feature mechanism, a platform support mechanism and a visual feature mechanism; the pressure feature mechanism, the pulling feature mechanism and the deformation auxiliary feature mechanism are horizontally fixedly installed on the platform auxiliary mechanism from left to right, and the visual feature mechanism is embedded in the platform support mechanism; specifically, according to the different mechanical and displacement states of the pressure feature mechanism, the pulling feature mechanism and the deformation auxiliary feature mechanism, they together constitute the thickness measurement stage, compression stage, bending stage, friction stage and stretching stage of the tactile test of textile materials; through the design of the pressure rod, the pulling rod, the auxiliary pressure rod and the bionic finger support block, the actual gesture of human hand touching the textile material is restored, and the bionics, accuracy and stability of the comprehensive touch-visual style characterization test of textile materials are further improved; not only can the test of a single mechanical property, such as compression, bending, friction and stretching, but also the evaluation and characterization of the comprehensive mechanical properties based on the algorithm model can be realized, and the function of comprehensive evaluation of the mechanical properties of materials can be possessed.

[0026] The device of the present invention has a sophisticated structure. It can obtain various mechanical performance indicators and surface morphology information of textile materials through a single device and a single test, thereby realizing efficient, accurate and convenient measurement of the comprehensive tactile and visual style of textile materials. It can be applied to the testing and characterization of various flexible materials including textile materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0028] Figure 1 It is a schematic diagram of the structure of the measuring device for the comprehensive touch-visual style of textile materials of the present invention;

[0029] Figure 2 It is a front view of the measuring device for the comprehensive touch-visual style of textile materials of the present invention;

[0030] Figure 3 It is a schematic diagram of pulling a vertical slide rail and a pulling rod of the present invention;

[0031] Figure 4 It is a schematic diagram of the stages of the method for measuring the comprehensive touch-visual style of textile materials of the present invention;

[0032] In the figure: 1. pressure feature mechanism; 2. pulling feature mechanism; 3. deformation auxiliary feature mechanism; 4. platform support mechanism; 5. visual feature mechanism; 11. pressure vertical slide rail; 12. pressure displacement sensor; 13. pressure rod; 14. pressure sensor; 15. pressure stepper motor; 21. pulling vertical slide rail; 22. pulling displacement sensor; 23. pulling rod; 24. pulling force sensor; 25. pulling stepper motor; 31. auxiliary vertical slide rail; 32. auxiliary pressure rod; 33. auxiliary support block; 34. deformation auxiliary stepper motor; 35. deformation auxiliary force sensor; 41. bionic finger support block; 42. support platform; 43. first drive transmission screw; 44. second drive transmission screw. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Reference Figure 1-4 As shown, this embodiment provides a device for measuring the tactile and visual comprehensive style of a textile material, comprising a platform support mechanism 4, on which a pressure feature mechanism 1, a pulling feature mechanism 2 and a deformation auxiliary feature mechanism 3 are sequentially arranged along the traveling direction of the textile material;

[0036] The pressure characteristic mechanism 1 comprises a pressure rod 13 which is lifted and lowered on the platform support mechanism 4, and the textile material passes between the lower end surface of the pressure rod 13 and the platform support mechanism 4;

[0037] The drawing feature mechanism 2 includes a drawing rod 23 disposed on the platform support mechanism 4, and the textile material slides over the upper end surface of the drawing rod 23;

[0038] The deformation auxiliary feature mechanism 3 includes an auxiliary support block 33 slidably connected to the platform support mechanism 4 , an auxiliary pressure rod 32 is provided above the auxiliary support block 33 for lifting, and the textile material passes through the contact surface between the auxiliary pressure rod 32 and the auxiliary support block 33 .

[0039] The present invention discloses a measuring device and a measuring method for the tactile-visual comprehensive style of a textile material, comprising a pressure feature mechanism 1, a pulling feature mechanism 2, a deformation auxiliary feature mechanism 3, a platform support mechanism 4 and a visual feature mechanism 5; the pressure feature mechanism 1, the pulling feature mechanism 2, and the deformation auxiliary feature mechanism 3 are horizontally fixedly installed on the platform auxiliary mechanism from left to right, and the visual feature mechanism 5 is embedded in the platform support mechanism 4; specifically, according to the different mechanical and displacement states of the pressure feature mechanism 1, the pulling feature mechanism 2 and the deformation auxiliary feature mechanism 3, the thickness measurement stage, the compression stage, the bending stage, the friction stage and the stretching stage of the tactile test of the textile material are jointly formed; through the design of a pressure rod 13, a pulling rod 23, an auxiliary pressure rod 32 and a bionic finger support block 41, the actual gesture of a human hand touching the textile material is restored, and the bionics, accuracy and stability of the tactile-visual comprehensive style characterization test of the textile material are further improved; not only can the test of a single mechanical property, such as compression, bending, friction and stretching, be realized, but also the evaluation and characterization of the comprehensive mechanical properties based on the algorithm model can be realized, and the function of comprehensive evaluation of the mechanical properties of the material can be possessed. The device of the present invention has a sophisticated structure. It can obtain various mechanical performance indicators and surface morphology information of textile materials through a single device and a single test, thereby realizing efficient, accurate and convenient measurement of the comprehensive tactile and visual style of textile materials. It can be applied to the testing and characterization of various flexible materials including textile materials.

[0040] In the technical field disclosed in the present application, the tactile sense of textile materials as the physical and mechanical properties of fabrics usually depends on the mechanical information of the fabrics; the visual sense of textile materials includes the effects of shape, gloss, image, etc., which specifically refers to the lines and shapes formed by textile materials under specific conditions and the visual effects caused by the texture image on the surface of textile materials.

[0041] In one embodiment of the present application, the textile materials mentioned in the application include woven fabrics, knitted fabrics, nonwoven fabrics, braided fabrics, composite fabrics, laminated fabrics, spacer fabrics, paper, and sponges.

[0042] Further optimized solution, the pressure characteristic mechanism 1 includes a pressure vertical slide rail 11 fixedly mounted on the platform support mechanism 4, the pressure rod 13 slides longitudinally on the pressure vertical slide rail 11, and the pressure rod 13 is connected to the pressure stepping motor 15 arranged on the pressure vertical slide rail 11. The pressure characteristic mechanism 1 includes a pressure vertical slide rail 11, a pressure displacement sensor 12, a pressure rod 13, a pressure sensor 14 and a pressure stepping motor 15; the pressure vertical slide rail 11 provides an upper and lower displacement range of the pressure rod 13; the pressure displacement sensor 12 is installed above the pressure vertical slide rail 11 to accurately test the displacement value of the pressure rod 13; the pressure rod 13 provides pressure for the textile material in the thickness measurement stage, the compression stage, the friction stage and the tension stage; the pressure sensor 14 is installed above the pressure rod 13 and connected to the pressure rod 13 to test the force value at the pressure rod 13; the pressure stepping motor 15 is installed behind the pressure vertical slide rail 11 to control the pressure rod 13 to accurately and stably rise and fall in the vertical direction.

[0043] In one embodiment of the present application, the front end of the pressure rod 13 is composed of a semi-cylindrical iron roller with a diameter of 10 mm and a length of 30 mm, simulating a human thumb.

[0044] According to a further optimized solution, the drawing feature mechanism 2 includes a drawing vertical slide rail 21 fixedly mounted on the platform support mechanism 4 , a drawing rod 23 longitudinally slides on the drawing vertical slide rail 21 , and the drawing rod 23 is transmission-connected to a drawing stepping motor 25 arranged on the drawing vertical slide rail 21 . The pulling feature mechanism 2 includes a pulling vertical slide rail 21, a pulling displacement sensor 22, a pulling rod 23, a pulling force sensor 24 and a pulling stepping motor 25; the pulling vertical slide rail 21 provides an upper and lower displacement range of the pulling rod 23, and the pulling displacement sensor 22 is installed above the pulling vertical slide rail 21 to accurately test the displacement value of the pulling rod 23; the pulling rod 23 provides a pulling force for the textile material in the bending stage, friction stage and stretching stage; the pulling force sensor 24 is installed above the pulling rod 23 and connected to the pulling rod 23 to test the force value at the pulling rod 23; the pulling stepping motor 25 is installed behind the pulling vertical slide rail 21 to control the accurate and stable vertical lifting and lowering of the pulling rod 23.

[0045] According to a further optimized solution, an auxiliary vertical slide rail 31 is installed on the auxiliary support block 33 , an auxiliary pressure rod 32 is longitudinally slidably connected to the auxiliary vertical slide rail 31 , and the auxiliary pressure rod 32 is transmission-connected to a deformation auxiliary stepping motor 34 arranged on the auxiliary vertical slide rail 31 . The deformation auxiliary feature mechanism 3 includes an auxiliary vertical slide rail 31, an auxiliary pressure rod 32, an auxiliary support block 33, a deformation auxiliary stepping motor 34 and a deformation auxiliary force sensor 35; the auxiliary vertical slide rail 31 provides an upper and lower displacement range of the auxiliary pressure rod 32; the auxiliary pressure rod 32 and the auxiliary support block 33 contact each other up and down to jointly provide pressure-free support for the compression stage and bending stage of the textile material, provide pressure clamping and horizontal left and right movement in the friction stage, and provide pressure clamping in the stretching stage; the deformation auxiliary stepping motor 34 is installed behind the auxiliary vertical slide rail 31 to control the accurate and stable vertical lifting and lowering of the auxiliary pressure rod 32 and the horizontal left and right movement of the auxiliary support block 33; the auxiliary mechanical sensor is installed above the auxiliary pressure rod 32 and connected to the auxiliary pressure rod 32 to test the force value at the auxiliary pressure rod 32.

[0046] In one embodiment of the present application, the auxiliary pressure rod 32 is composed of a semi-cylindrical iron roller with a diameter of 5-10 mm and a length of 15-30 mm; the auxiliary support block 33 and the support platform 42 are set at the same height, and the auxiliary pressure rod 32 keeps synchronization with the pressure rod 13 during the descending stage, and its displacement value is equal to the displacement value of the pressure rod 13.

[0047] In a further optimized solution, the platform support mechanism 4 includes a support platform 42, a sliding groove is provided on the support platform 42, a driving component is provided in the sliding groove, and the auxiliary support block 33 is slidably connected in the sliding groove and is transmission-connected to the driving component. The auxiliary support block 33 slides in the sliding groove under the drive of the driving component, thereby driving the entire deformation auxiliary feature mechanism 3 to slide in the sliding groove, thereby simulating the pulling of the textile material.

[0048] In one embodiment of the present application, the driving assembly includes a first driving transmission screw 43 and a second driving transmission screw 44 arranged in parallel in the sliding groove, and the auxiliary support block 33 slides in the sliding groove by being driven by the first driving transmission screw 43 and the second driving transmission screw 44.

[0049] In one embodiment of the present application, the first drive transmission screw 43 and the second drive transmission screw 44 have a length range of 20-30 cm and are arranged in parallel through the auxiliary support block 33 to provide a left-right movement path for the auxiliary support block 33 .

[0050] Further optimization scheme, a bionic finger support block 41 is embedded on the support platform 42 and arranged correspondingly to the pressure rod 13, and the textile material passes through the contact surface between the bionic finger support block 41 and the pressure rod 13. The bionic finger support block 41 is embedded in the support platform 42 and arranged correspondingly to the pressure rod 13. The textile material is clamped by the pressure rod 13 and the bionic finger support block 41 to simulate manual testing.

[0051] In one embodiment of the present application, the bionic finger support block 41 has a total length of 40 mm and a width of 30 mm. It is composed of four silicone rubber-coated iron rollers. A single iron roller has a diameter of 10 mm and a length of 30 mm, simulating the index finger, middle finger, ring finger, and little finger of the human body. The pressure rod 13 simulates the thumb and is located directly above the middle of the second and third iron rollers in the bionic finger support block 41.

[0052] According to a further optimized solution, the top surface of the auxiliary support block 33 is flush with the top surface of the support platform 42 .

[0053] Further optimization scheme, the drawing rod 23 includes a rod body that slides longitudinally on the drawing vertical slide rail 21, a hollow drawing frame is arranged on the rod body, and a first support block for supporting the textile material is arranged at the bottom of the inner cavity of the drawing frame, and the textile material slides over the arc surface at the top of the first support block. The rod body of the drawing rod 23 slides vertically on the drawing vertical slide rail 21, and the drawing frame fixed to the rod body is a hollow frame structure with a width of 10mm. The lower part of the drawing frame is a semi-cylindrical iron roller with a diameter of 10mm and a length of 30mm, which plays a role in drawing the textile material and constructs the deformation characteristics of the textile material at different stages.

[0054] Further optimizing the scheme, a visual feature mechanism 5 for acquiring view information is provided on the support platform 42. The visual feature mechanism 5 of this embodiment is composed of a miniature industrial CMOS camera, which is embedded in the support platform 42, 10 mm away from the bionic finger support block 41, has a size of 15×15×13 mm, a resolution of 4896×3680 px, and supports a USB Type-C interface.

[0055] In one embodiment of the present application, an industrial CMOS camera is a professional camera that integrates a CMOS image sensor and data processing functions. It is widely used in multiple industries and has high pixel density, fast image acquisition, low power consumption and low cost, and high dynamic range. It is widely used in manufacturing, medical, security and agricultural fields. It is an existing commonly used image acquisition device. Its principles and usage methods are prior art and will not be repeated here.

[0056] In one embodiment of the present application, the measurement center distance and measurement range of the pressure displacement sensor 12 and the pulling displacement sensor 22 are 85±20mm, and the resolution is 2.5μm; the measuring range of the pressure sensor 14, the pulling force sensor 24, and the deformation auxiliary force sensor 35 is 0-1000N, and the accuracy is 0.0001N.

[0057] The present invention also discloses a measuring method based on a measuring device for the comprehensive touch-visual style of textile materials, comprising the following steps:

[0058] Pre-adjust the height of the pressure rod 13 and the auxiliary pressure rod 32 so that they are respectively kept in a non-contact state with the platform support mechanism 4 and the auxiliary support block 33; adjust the height of the pull rod 23 so that the pull rod 23 is at the same height as the platform support mechanism 4; adjust the position of the auxiliary support block 33 left and right according to the length of the textile material to ensure that both ends of the textile material extend beyond the pressure rod 13 and the auxiliary support block 33 respectively; before use, pre-adjust the height of the pressure rod 13 and the auxiliary pressure rod 32 to keep a certain distance from the bionic finger support block 41 and the auxiliary support block 33 respectively and in a non-contact state; adjust the height of the pull rod 23 so that the highest point of the semi-cylindrical iron roller in the lower part of the frame structure is at the same height as the support platform 42; adjust the position of the auxiliary support block 33 left and right according to the length of the textile material to ensure that the length of the textile material extending beyond the bionic finger support block 41 and the auxiliary support block 33 by 4-5cm on the left and right; initialization settings are required before each test;

[0059] The pressure rod 13 descends and contacts the platform support mechanism 4, and then continues to descend until the pressure value of the pressure rod 13 reaches the set value, and the pressure and displacement data of the pressure rod 13 are recorded in real time, and the slope value of the compression force and displacement curve and the index of the maximum displacement value are obtained; at this time, the auxiliary pressure rod 32 and the auxiliary support block 33 are still in a non-contact state, and the pulling rod 23 remains stationary, and the image data of the textile material is recorded; the pressure rod 13 descends and contacts the bionic finger support block 41, and at this time the force value sensed by the pressure sensor 14 is in the range of 5-10cN; then, the pressure rod 13 continues to descend until the force value sensed by the pressure sensor 14 is in the range of 100-200cN, and the force value and displacement value of the pressure sensor 14 and the pressure displacement sensor 12 are recorded in real time, and the slope value S of the compression force and displacement curve is obtained. c And the maximum displacement value D c The auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the pull rod 23 remains stationary; at the same time, the visual feature mechanism 5 captures an image of the textile material;

[0060] The pressure rod 13 rises to a non-contact state with the platform support mechanism 4, and then continues to rise and stops after reaching the set value; during this period, the auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the slope value of the bending force and displacement curve and the index of the maximum bending force value are obtained; the pressure rod 13 rises to a non-contact state with the bionic finger support block 41; then, the pulling rod 23 continues to rise until the displacement value measured by the pulling displacement sensor 22 reaches 2-5cm and then stops; during this period, the auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the slope value S of the bending force and displacement curve is obtained. b And the maximum bending force F b Indicators;

[0061] The pressure rod 13 descends and contacts the platform support mechanism 4, the auxiliary pressure rod 32 contacts the auxiliary support block 33 to clamp the textile material, and then the pulling rod 23 continues to rise to the set value and then stops, and the slope value of the dynamic friction and displacement curve and the index of the maximum dynamic friction value are obtained; then the auxiliary pressure rod 32 and the auxiliary support block 33 move to the right by the set value and then stop, and the slope value of the static friction and displacement curve and the index of the maximum dynamic friction value are recorded; the pressure rod 13 descends and contacts the bionic finger support block 41, the auxiliary pressure rod 32 contacts the auxiliary support block 33, and at this time the force value range sensed by the pressure sensor 14 and the auxiliary mechanical sensor is stable at 30-50cN; then, the pulling rod 23 continues to rise until the displacement value of the pulling displacement sensor 22 reaches 5-10cm and stops, and the slope value S of the dynamic friction and displacement curve is obtained. f1 And the maximum dynamic friction value F b1 Then the auxiliary pressure rod 32 and the auxiliary support block 33 move 3-5cm to the right and stop, and record the slope value S of the static friction and displacement curve f2 And the maximum dynamic friction value F b2 Indicators;

[0062] The pressure rod 13 and the auxiliary pressure rod 32 continue to descend, further increasing the clamping force on the textile material; then, the pulling rod 23 continues to rise to another set value and then stops, obtaining the slope value of the dynamic tensile force and displacement curve and the index of the maximum dynamic friction force value; the pressure rod 13 and the auxiliary pressure rod 32 continue to descend until the force value range sensed by the pressure sensor 14 and the auxiliary mechanical sensor stabilizes at 90-150cN; then, the pulling rod 23 continues to rise until the displacement value of the pulling displacement sensor 22 reaches 10-20cm and then stops, obtaining the slope value S of the tensile force and displacement curve s And the maximum tensile force F s Indicators;

[0063] The characteristic values ​​of the test curve and the image information obtained are extracted, and the different indicators of the textile materials are analyzed and calculated to evaluate the comprehensive tactile and visual style of the textile materials. By extracting the characteristic values ​​of the above test curves and obtaining images, the compression softness, bending stiffness, friction roughness, tensile tightness, warp and weft density, fabric structure, hairiness, glossiness, wrinkle texture and other indicators of the textile materials are analyzed and calculated based on the algorithm model and image recognition model to evaluate the comprehensive tactile and visual style of the textile materials. Specific embodiment 1:

[0065] Select a pressure rod 13 with a diameter of 8mm and a length of 30mm, and select an iron roller with a diameter of 8mm and a length of 30mm for the pulling rod 23. At the same time, select an auxiliary pressure rod 32 with a diameter of 8mm and a length of 30mm. Place the wool / cotton woven fabric on the support platform 42, adjust the height of the pressure rod 13, the pulling rod 23, the auxiliary pressure rod 32 and the position of the auxiliary support block 33. In the first stage, the pressure rod 13 descends and contacts the bionic finger support block 41, and the initial compression force value of the pressure rod 13 is 8cN at this time. The pressure rod 13 continues to descend until the maximum compression force value of the pressure rod 13 reaches 180cN, and the slope value S of the compression force and displacement curve is obtained. c And the maximum displacement value D c In the second stage, the pressure rod 13, the auxiliary pressure rod 32, the pulling rod 23 and the wool / cotton woven fabric are in a non-contact state, and the visual feature mechanism 5 takes the image of the wool / cotton woven fabric to obtain the information of the wrinkle texture, warp and weft density and fabric organization; in the third stage, the pulling rod 23 continues to rise until the maximum bending displacement value reaches 3cm and stops; during this period, the auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the slope value S of the bending force and displacement curve is obtained. b And the maximum bending force F b Indicator; in the fourth stage, the pressure rod 13 contacts the bionic finger support block 41, the auxiliary pressure rod 32 contacts the auxiliary support block 33, and at this time the friction pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 40cN, then the pull rod 23 continues to rise and the displacement value reaches 7cm and stops, and the slope value S of the dynamic friction force and displacement curve is obtained f1 And the maximum dynamic friction value F b1 Then the auxiliary pressure rod 32 and the auxiliary support block 33 move 3-5 cm to the right and stop, and record the slope value S of the static friction force and displacement curve f2 And the maximum dynamic friction value F b2 Indicator; In the fifth stage, the pressure rod 13 and the auxiliary pressure rod 32 continue to descend until the tensile pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 120cN, and then the pull rod 23 continues to rise and the displacement value reaches 15cm and stops, and the slope value S of the tensile force and displacement curve is obtained. s And the maximum tensile force Fs Based on the algorithm model and image recognition model, the compression softness, bending stiffness, friction roughness, tensile tightness, warp and weft density, fabric structure, hairiness, glossiness, wrinkle texture and other indicators of wool / cotton woven fabrics are calculated and analyzed to evaluate the tactile and visual comprehensive style of wool / cotton woven fabrics. Specific embodiment 2:

[0067] Select a pressure rod 13 with a diameter of 6mm and a length of 20mm, and select an iron roller with a diameter of 6mm and a length of 20mm for the pulling rod 23. At the same time, select an auxiliary pressure rod 32 with a diameter of 6mm and a length of 20mm; place the cotton-polyurethane knitted fabric on the supporting platform 42, adjust the heights of the pressure rod 13, the pulling rod 23, the auxiliary pressure rod 32 and the position of the auxiliary support block 33; in the first stage, the pressure rod 13 descends and contacts the bionic finger support block 41, and at this time the initial compression force value of the pressure rod 13 is 5cN, and the pressure rod 13 continues to descend until the maximum compression force value of the pressure rod 13 reaches 120cN, and obtain the slope value S of the compression force and displacement curve c And the maximum displacement value D c In the second stage, the pressure rod 13, the auxiliary pressure rod 32, the pulling rod 23 and the cotton-spandex knitted fabric are in a non-contact state, and the visual feature mechanism 5 takes an image of the cotton-spandex knitted fabric to obtain information on the wrinkle texture, warp and weft density and fabric organization; in the third stage, the pulling rod 23 continues to rise until the maximum bending displacement value reaches 5 cm and stops; during this period, the auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the slope value S of the bending force and displacement curve is obtained. b And the maximum bending force F b Indicator; in the fourth stage, the pressure rod 13 contacts the bionic finger support block 41, the auxiliary pressure rod 32 contacts the auxiliary support block 33, and at this time the friction pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 50cN, then the pull rod 23 continues to rise and the displacement value reaches 9cm and stops, and the slope value S of the dynamic friction force and displacement curve is obtained f1 And the maximum dynamic friction value F b1 Then the auxiliary pressure rod 32 and the auxiliary support block 33 move 3-5 cm to the right and stop, and record the slope value S of the static friction force and displacement curve f2 And the maximum dynamic friction value F b2 Indicator; In the fifth stage, the pressure rod 13 and the auxiliary pressure rod 32 continue to descend until the tensile pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 150cN, and then the pull rod 23 continues to rise and the displacement value reaches 20cm and stops, and the slope value S of the tensile force and displacement curve is obtained. s And the maximum tensile force F sBased on the algorithm model and image recognition model, the compression softness, bending stiffness, friction roughness, tensile tightness, warp and weft density, fabric structure, hairiness, glossiness, wrinkle texture and other indicators of cotton-spandex knitted fabrics are analyzed and calculated to evaluate the comprehensive tactile and visual style of cotton-spandex knitted fabrics. Specific embodiment 3:

[0069] Select a pressure rod 13 with a diameter of 5 mm and a length of 15 mm, select an iron roller with a diameter of 5 mm and a length of 15 mm for the pull rod 23, and select an auxiliary pressure rod 32 with a diameter of 5 mm and a length of 15 mm; place the non-woven film on the support platform 42, adjust the height of the pressure rod 13, the pull rod 23, the auxiliary pressure rod 32 and the position of the auxiliary support block 33; in the first stage, the pressure rod 13 descends and contacts the bionic finger support block 41, and at this time the initial compression force value of the pressure rod 13 is 5 cN, and the pressure rod 13 continues to descend until the maximum compression force value of the pressure rod 13 reaches 100 cN, and obtain the slope value S of the compression force and displacement curve c And the maximum displacement value D c In the second stage, the pressure rod 13, the auxiliary pressure rod 32, the pulling rod 23 and the non-woven film are in a non-contact state, and the visual feature mechanism 5 takes an image of the non-woven film to obtain information on the wrinkle texture, warp and weft density and fabric structure; in the third stage, the pulling rod 23 continues to rise until the maximum bending displacement value reaches 5 cm and stops; during this period, the auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the slope value S of the bending force and displacement curve is obtained. b And the maximum bending force F b Indicator; in the fourth stage, the pressure rod 13 contacts the bionic finger support block 41, the auxiliary pressure rod 32 contacts the auxiliary support block 33, and at this time the friction pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 50cN, then the pull rod 23 continues to rise and stops when the displacement value reaches 10cm, and the slope value S of the dynamic friction force and displacement curve is obtained f1 And the maximum dynamic friction value F b1 Then the auxiliary pressure rod 32 and the auxiliary support block 33 move 3-5 cm to the right and stop, and record the slope value S of the static friction force and displacement curve f2 And the maximum dynamic friction value F b2Indicators; in the fifth stage, the pressure rod 13 and the auxiliary pressure rod 32 continue to descend until the tensile pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 150cN, and then the pulling rod 23 continues to rise and the displacement value reaches 20cm and stops, and the slope value Ss of the tensile force and displacement curve and the maximum tensile force value Fs are obtained; based on the algorithm model and the image recognition model, the compression softness, bending stiffness, friction roughness, tensile tightness, warp and weft density, fabric structure, hairiness, glossiness, wrinkle texture and other indicators of the non-woven film are calculated and analyzed, so as to evaluate the comprehensive tactile and visual style of the non-woven film. Specific embodiment 4:

[0071] Select a pressure rod 13 with a diameter of 10mm and a length of 30mm, and select an iron roller with a diameter of 10mm and a length of 30mm for the pull rod 23. At the same time, select an auxiliary pressure rod 32 with a diameter of 10mm and a length of 30mm; place the spacer fabric on the support platform 42, adjust the height of the pressure rod 13, the pull rod 23, the auxiliary pressure rod 32 and the position of the auxiliary support block 33; in the first stage, the pressure rod 13 descends and contacts the bionic finger support block 41, and at this time the initial compression force value of the pressure rod 13 is 10cN, and the pressure rod 13 continues to descend until the maximum compression force value of the pressure rod 13 reaches 200cN, and obtain the slope value S of the compression force and displacement curve c And the maximum displacement value D c In the second stage, the pressure rod 13, the auxiliary pressure rod 32, the pulling rod 23 and the spacer fabric are in a non-contact state, and the visual feature mechanism 5 takes an image of the spacer fabric to obtain information on the wrinkle texture, warp and weft density and fabric organization; in the third stage, the pulling rod 23 continues to rise until the maximum bending displacement value reaches 2 cm and stops; during this period, the auxiliary pressure rod 32 and the auxiliary support block 33 remain in a non-contact state, and the slope value S of the bending force and displacement curve is obtained. b And the maximum bending force F b Indicator; in the fourth stage, the pressure rod 13 contacts the bionic finger support block 41, the auxiliary pressure rod 32 contacts the auxiliary support block 33, and at this time the friction pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 30cN, then the pull rod 23 continues to rise and the displacement value reaches 6cm and stops, and the slope value S of the dynamic friction force and displacement curve is obtained f1 And the maximum dynamic friction value F b1 Then the auxiliary pressure rod 32 and the auxiliary support block 33 move 3-5 cm to the right and stop, and record the slope value S of the static friction force and displacement curve f2 And the maximum dynamic friction value F b2 Indicator; In the fifth stage, the pressure rod 13 and the auxiliary pressure rod 32 continue to descend until the tensile pressure value of the pressure rod 13 and the auxiliary pressure rod 32 is 90cN, and then the pull rod 23 continues to rise and the displacement value reaches 10cm and stops, and the slope value S of the tensile force and displacement curve is obtained.s And the maximum tensile force F s Based on the algorithm model and image recognition model, the compression softness, bending stiffness, friction roughness, tensile tightness, warp and weft density, fabric structure, hairiness, glossiness, wrinkle texture and other indicators of the spacer fabric are calculated and analyzed to evaluate the tactile and visual comprehensive style of the spacer fabric.

[0072] Table 1: Parameter setting table of four specific embodiments of the present invention

[0073]

[0074] Table 2: Test results of touch-visual comprehensive style of four embodiments of the present invention

[0075]

[0076] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0077] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A device for measuring the tactile and visual comprehensive style of textile materials, characterized by: It comprises a platform support mechanism (4), on which a pressure feature mechanism (1), a drawing feature mechanism (2) and a deformation auxiliary feature mechanism (3) are arranged in sequence along the traveling direction of the textile material; The pressure characteristic mechanism (1) comprises a pressure rod (13) which is lifted and arranged on the platform support mechanism (4), and the textile material passes through between the lower end surface of the pressure rod (13) and the platform support mechanism (4); The drawing feature mechanism (2) comprises a drawing rod (23) arranged on the platform support mechanism (4), and the textile material slides across the upper end surface of the drawing rod (23); the drawing feature mechanism (2) comprises a drawing vertical slide rail (21) fixedly mounted on the platform support mechanism (4), and the drawing rod (23) slides longitudinally on the drawing vertical slide rail (21), and the drawing rod (23) is drivingly connected to a drawing stepping motor (25) arranged on the drawing vertical slide rail (21); The deformation auxiliary feature mechanism (3) comprises an auxiliary support block (33) slidably connected to the platform support mechanism (4); an auxiliary pressure rod (32) is provided above the auxiliary support block (33) for lifting and lowering; the textile material passes through the contact surface between the auxiliary pressure rod (32) and the auxiliary support block (33); the auxiliary pressure rod (32) and the auxiliary support block (33) can contact each other up and down to jointly provide pressure-free support for the textile material in the compression stage and the bending stage, provide pressure clamping in the friction stage and horizontal left and right movement, and provide pressure clamping in the stretching stage.

2. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 1, characterized in that: The pressure characteristic mechanism (1) comprises a pressure vertical slide rail (11) fixedly mounted on the platform support mechanism (4); the pressure rod (13) slides longitudinally on the pressure vertical slide rail (11); and the pressure rod (13) is in transmission connection with a pressure stepping motor (15) arranged on the pressure vertical slide rail (11).

3. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 2, characterized in that: An auxiliary vertical slide rail (31) is mounted on the auxiliary support block (33), the auxiliary pressure rod (32) is longitudinally slidably connected to the auxiliary vertical slide rail (31), and the auxiliary pressure rod (32) is drivingly connected to a deformation auxiliary stepping motor (34) arranged on the auxiliary vertical slide rail (31).

4. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 1, characterized in that: The platform support mechanism (4) comprises a support platform (42), a sliding groove is provided on the support platform (42), a driving assembly is arranged in the sliding groove, and the auxiliary support block (33) is slidably connected in the sliding groove and is transmission-connected to the driving assembly.

5. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 4, characterized in that: The support platform (42) is embedded with a bionic finger support block (41) arranged correspondingly to the pressure rod (13) above and below, and the textile material passes through the contact surface between the bionic finger support block (41) and the pressure rod (13).

6. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 4, characterized in that: The top surface of the auxiliary support block (33) is flush with the top surface of the support platform (42).

7. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 1, characterized in that: The drawing rod (23) comprises a rod body which slides longitudinally on the drawing vertical slide rail (21), a hollow drawing frame being arranged on the rod body, a first support block for supporting the textile material being arranged at the bottom end of the inner cavity of the drawing frame, and the textile material slides over the arc-shaped surface at the top end of the first support block.

8. The device for measuring the tactile-visual comprehensive style of textile materials according to claim 4, characterized in that: The support platform (42) is provided with a visual feature mechanism (5) for acquiring view information.

9. A method for measuring the tactile and visual comprehensive style of a textile material, using the device for measuring the tactile and visual comprehensive style of a textile material according to any one of claims 1 to 8, characterized in that The following steps are involved: Pre-adjusting the heights of the pressure rod (13) and the auxiliary pressure rod (32) so that they are respectively in a non-contact state with the platform support mechanism (4) and the auxiliary support block (33); adjusting the height of the pull rod (23) so that the pull rod (23) is at the same height as the platform support mechanism (4); and adjusting the position of the auxiliary support block (33) left and right according to the length of the textile material to ensure that both ends of the textile material extend beyond the pressure rod (13) and the auxiliary support block (33); The pressure rod (13) descends and contacts the platform support mechanism (4), and then continues to descend until the pressure value of the pressure rod (13) reaches a set value, and the pressure and displacement data of the pressure rod (13) are recorded in real time to obtain the slope value of the compression force and displacement curve and the index of the maximum displacement value; at this time, the auxiliary pressure rod (32) and the auxiliary support block (33) remain in a non-contact state, and the pulling rod (23) remains stationary, and the image data of the textile material is recorded; The pressure rod (13) rises to a non-contact state with the platform support mechanism (4), and then continues to rise until it reaches a set value and then stops; subsequently, the pulling rod (23) continues to rise until the displacement value measured by the pulling displacement sensor (22) reaches 2-5 cm and then stops; during this period, the auxiliary pressure rod (32) and the auxiliary support block (33) remain in a non-contact state, and the slope value of the bending force and displacement curve and the index of the maximum bending force value are obtained; The pressure rod (13) descends and contacts the platform support mechanism (4), the auxiliary pressure rod (32) contacts the auxiliary support block (33) to clamp the textile material, and then the pull rod (23) continues to rise to a set value and then stops, and obtains the slope value of the dynamic friction force and displacement curve and the index of the maximum dynamic friction force value; then the auxiliary pressure rod (32) and the auxiliary support block (33) move to the right by a set value and then stop, and record the slope value of the static friction force and displacement curve and the index of the maximum dynamic friction force value; The pressure rod (13) and the auxiliary pressure rod (32) continue to descend, further increasing the clamping force on the textile material; then, the pulling rod (23) continues to rise to another set value and then stops, obtaining the slope value of the dynamic tensile force and displacement curve and the index of the maximum dynamic friction force value; The characteristic values ​​of the test curve and the acquired image information are extracted, and different indicators of textile materials are obtained by analysis and calculation, so as to evaluate the comprehensive touch and visual style of textile materials.

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