Yarn softness detection device and detection method

Abstract

The invention relates to the technical field of yarn detection, in particular to a yarn softness detection device which comprises a closed box, a plurality of mounting openings are formed in one side of the closed box, each mounting opening is detachably connected with a winding control device, a limiting sliding groove is formed between every two winding control devices, and the limiting sliding grooves are formed in the closed box; a photographing opening is formed in one end of the closed box; the camera is fixedly connected to one end of the photographing opening of the closed box, the reference plate is slidably connected to the limiting sliding groove, and a coordinate table with longitudinal and transverse scales is arranged on the side, corresponding to the camera, of the reference plate. Through the combination of the winding control device, the reference plate and the camera, the gravity drooping states of yarns with different lengths are measured; the yarns on other winding control devices are repeatedly tested to obtain a plurality of groups of measurement data, the drooping bending amplitude range and the average value of the yarns at different lengths are obtained, the data of the softness of the yarns of the type are obtained, and the softness of the yarns of other types can be compared.

Description

Technical Field

[0001] The present invention relates to the technical field of yarn detection, and in particular to a yarn softness detection device and a detection method. Background Art

[0002] The softness of yarn directly affects the feel and wearing comfort of fabric. Fabrics made of soft yarn are often more comfortable and more suitable for close-fitting wear. Therefore, testing the softness of yarn is an important part of ensuring the quality of textiles; the softness of yarn is also closely related to its processing performance and durability. Soft yarn is easier to handle and less likely to break during textile processing, which can improve production efficiency. At the same time, fabrics made of soft yarn are also more resistant to wear during use, which extends the service life of textiles; therefore, testing the softness of yarn is an important means to ensure the quality of textiles, improve production efficiency, and meet market demand. By testing the softness of yarn, a scientific basis can be provided for the production, processing and application of textiles, and the development of the textile industry can be promoted.

[0003] Prior art CN106769609B - A fishing line softness testing device and method, which can test different fishing lines by pressing them down to the same pressing distance, and obtain different softness data to compare the difference in softness of the fishing lines. However, for yarn, the flexibility of the yarn is too poor, and it is difficult to obtain softness data by pressing the yarn down. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a yarn softness detection device and a detection method to solve the above-mentioned problem.

[0005] Based on the above purpose, the present invention provides a yarn softness detection device, comprising:

[0006] A closed box, with a plurality of mounting openings on one side, each of which is detachably connected to a winding and controlling wire device, and a limiting slide groove is provided between every two winding and controlling wire devices, and the limiting slide groove is provided on the closed box;

[0007] A photography port is provided at one end of the closed box;

[0008] A camera, fixedly connected to one end of the photographing port of the closed box, wherein the lens of the camera fits the photographing port and extends into the closed box;

[0009] A reference plate is slidably connected to the limiting slide groove, and a coordinate table with vertical and horizontal scales is arranged on one side of the reference plate corresponding to the camera.

[0010] As an optional embodiment, the wire winding and control device includes a wire control block, the wire control block is provided with a wire routing groove, two mounting blocks are mirror-fixedly connected on both sides of the wire control block, the mounting blocks are provided with threaded holes, the bottom of the wire control block is fixedly connected to a wheel frame, the wheel frame is fixedly connected to a shaft body, the outer circular end of the shaft body is fixedly connected to a motor, and the outer circular end of the motor is fixedly connected to a winding wheel.

[0011] As an optional embodiment, limiting grooves are provided at both ends of the inner side of the wiring groove, a clamping block is slidably connected in the limiting groove, a ball is rotatably connected to the bottom of the clamping block, a cavity is provided inside the clamping block, a spring groove is provided at each of the two ends of the bottom of the cavity, a compression spring is provided in each of the spring grooves, a pressure plate is also slidably connected in the cavity, two compression springs are in contact between the pressure plate and the spring groove, a connecting part is fixedly connected to the top of the pressure plate, the connecting part passes through the clamping block, and a screw is rotatably connected to the top of the connecting part, and the screw is threadedly connected to the wire control block.

[0012] As an optional implementation, a knob is fixedly connected to the top of the screw rod.

[0013] As an optional embodiment, a wire outlet is provided on a side of the closed box away from the winding and controlling device, a fixed shaft is provided next to the wire outlet, the fixed shaft is fixedly connected to the closed box, a wire cutter is also rotatably connected to the fixed shaft, and the wire cutter is in contact with the wire outlet.

[0014] As an optional implementation, an upper cover is hingedly connected to the other side of the closed box, and the upper cover is provided with a plate groove corresponding to the reference plate for facilitating the passage of the reference plate.

[0015] As an optional implementation, a temperature sensor and a humidity sensor are fixedly connected to one end of the inner side of the closed box away from the photographing port.

[0016] As an optional implementation, a handle is fixedly connected to the top of each reference plate.

[0017] As an optional implementation, a supporting leg is fixedly connected to the bottom of the closed box, and a fill light is provided on the inner side of one end of the closed box close to the photographing port.

[0018] A method for detecting yarn softness, comprising:

[0019] S1: Record the temperature and humidity conditions in the closed box according to the temperature sensor and humidity sensor;

[0020] S2: The yarn is drawn out of the winding wheel with the yarn wound on it and passed through the wire groove to be stretched to the wire outlet and then cut off by a wire cutter;

[0021] S3: Rotate the knob to make the screw spiral down in the thread control block, and then make the pressing block press the two compression springs, so that the compression springs transmit the force to the pressing block, so that the pressing block moves downward in the limit groove, and the ball contacts the yarn on the routing groove;

[0022] S4: After the yarn sags due to gravity and remains stationary, the fill light is turned on, and the camera takes pictures of the yarn to be tested on the reference board;

[0023] S5: Continue to drive the motor to rotate, so that the winding wheel rotates and reels, shortens the length of the yarn, measures the gravity sagging state of the yarn at different lengths, and finally pulls out the yarn so that all the yarn is reeled in the winding wheel;

[0024] S6: Repeat the S1-S5 test methods on the yarns on other winding and control devices to obtain multiple sets of measurement data, and obtain the range and average value of the droop bending amplitude of the yarn at different lengths.

[0025] The beneficial effects of the present invention are as follows: the present invention measures the gravity drooping state of yarns at different lengths through a winding and controlling wire device, a reference plate and a camera combination; repeatedly tests the yarns on other winding and controlling wire devices to obtain multiple groups of measurement data, and obtains the drooping bending amplitude range and average value of the yarn at different lengths, thereby obtaining data on the softness of this type of yarn, and can be compared with the softness of other types of yarns. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present invention;

[0029] Figure 3 Schematic diagram of the three-dimensional structure of the closed box according to the embodiment of the present invention Figure 1 ;

[0030] Figure 4 Schematic diagram of the three-dimensional structure of the closed box according to the embodiment of the present invention Figure 2 ;

[0031] Figure 5 It is a cross-sectional view of a wire-retracting control device according to an embodiment of the present invention;

[0032] Figure 6 For the embodiment of the present invention Figure 5 A partial enlarged schematic diagram;

[0033] Figure 7 This is a front schematic diagram of a pressing plate according to an embodiment of the present invention;

[0034] Figure 8 It is a schematic diagram of the three-dimensional structure of a wire cutting knife according to an embodiment of the present invention.

[0035] The markings in the figure are:

[0036] 1. Enclosed box; 11. Upper cover; 12. Plate slot; 13. Mounting port; 14. Temperature sensor; 15. Humidity sensor; 16. Fill light; 17. Photo port; 2. Winding and controlling wire device; 21. Wire control block; 211. Wire routing slot; 212. Limiting slot; 213. Pressing block; 214. Ball bearing; 215. Cavity; 216. Spring slot; 217. Compression spring; 218. Pressing plate; 219. Connecting part; 22. Screw; 23. Knob; 24. Mounting block; 25. Wheel frame; 26. Shaft; 27. Motor; 28. Winding wheel; 29. ​​Limiting slide slot; 3. Camera; 4. Reference board; 41. Coordinate table; 42. Handle; 5. Support leg; 6. Wire outlet; 61. Fixed shaft; 62. Rotary cutter. DETAILED DESCRIPTION

[0037] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0038] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0039] like Figure 1-Figure 8 As shown, a yarn softness detection device comprises:

[0040] The closed box 1 has a plurality of mounting openings 13 on one side, each of which is detachably connected to a winding and controlling wire device 2, and a limiting slide groove 29 is provided between each two of the winding and controlling wire devices 2, and the limiting slide groove 29 is provided on the closed box 1;

[0041] A photography port 17 is provided at one end of the closed box 1;

[0042] A camera 3 is fixedly connected to one end of a photographing opening 17 of the closed box 1, and a lens of the camera 3 fits the photographing opening 17 and extends into the closed box 1;

[0043] The reference plate 4 is slidably connected to the limiting slide groove 29 , and a coordinate table 41 with vertical and horizontal scales is provided on one side of the reference plate 4 corresponding to the camera 3 .

[0044] In this embodiment, due to the high softness of the yarn, the softness data is not obvious when the test length is too long, so it is necessary to test the softness of the yarn at different lengths. The temperature and humidity conditions in the closed box 1 are recorded by the temperature sensor 14 and the humidity sensor 15, and the winding wheel 28 with the yarn is pulled out and the yarn is stretched through the wiring groove 211 to the outlet 6 and cut off by the wire cutter 62; the knob 23 is rotated to make the screw 22 spirally descend in the wire control block 21, and then the clamping block 213 compresses the two compression springs 217, so that the compression spring 217 transmits the force to the clamping block 213, so that the clamping block 213 is The yarn 210 moves downward in the limit groove 212, and the ball 214 contacts the yarn on the wiring groove 211; after the yarn sags due to gravity and remains stationary, the fill light 16 is turned on, and the camera 3 takes pictures of the yarn to be tested on the reference plate 4 for recording; the motor 27 is continued to be driven to rotate, so that the winding wheel 28 rotates and reels, shortens the yarn length, and measures the gravity drooping state of the yarn at different lengths; repeats the test on the yarn on other winding and control devices 2 to obtain multiple groups of measurement data, and obtains the range and average value of the drooping bending amplitude of the yarn at different lengths, obtains the data of the softness of this type of yarn, and compares it with the softness of other types of yarn.

[0045] As an optional implementation, Figure 2 , 5 As shown in , 6, the winding and controlling wire device 2 comprises a wire controlling block 21, the wire controlling block 21 is provided with a wire routing groove 211, two mounting blocks 24 are fixedly connected to the two sides of the wire controlling block 21 in a mirror-image manner, the mounting blocks 24 are provided with threaded holes, a wheel frame 25 is fixedly connected to the bottom of the wire controlling block 21, a shaft body 26 is fixedly connected to the wheel frame 25, a motor 27 is fixedly connected to the outer cylindrical end of the shaft body 26, and a winding wheel 28 is fixedly connected to the outer cylindrical end of the motor 27;

[0046] In this way, the winding wheel 28 is used to wind the yarn, and the rotation of the winding wheel 28 is controlled by controlling the motor 27 to rotate, so as to control the test length of the yarn to be tested. The mounting block 24 is threadedly connected to the closed box 1 by bolts.

[0047] As an optional implementation, Figure 2 , 5 As shown in 6, limiting grooves 212 are provided at both ends of the inner side of the wiring groove 211, and a clamping block 213 is slidably connected in the limiting groove 212, and a ball 214 is rotatably connected to the bottom of the clamping block 213, and a cavity 215 is provided inside the clamping block 213, and a spring groove 216 is provided at each of the two ends of the bottom of the cavity 215, and a compression spring 217 is provided in each of the spring grooves 216, and a pressure plate 218 is also slidably connected in the cavity 215, and two compression springs 217 are in contact between the pressure plate 218 and the spring groove 216, and a connecting portion 219 is fixedly connected to the top of the pressure plate 218, and the connecting portion 219 passes through the clamping block 213, and a screw rod 22 is rotatably connected to the top of the connecting portion 219, and the screw rod 22 is threadedly connected to the line control block 21;

[0048] By rotating the screw rod 22, the screw rod 22 is spirally descended in the wire control block 21, thereby driving the pressure plate 218 to descend, and under the action of the compression spring 217, the clamping block 213 is pressed down, and then the ball 214 is pressed against the yarn in the wiring groove 211. When testing the yarn, the yarn needs to be compressed to fix the yarn in the wiring groove 211 to prevent it from swinging. When the winding wheel 28 rotates to pull the yarn to adjust the test length, the yarn needs to be pulled at the same time. During the test, the ball 214 is subjected to the spring pressure to press the yarn in the wiring groove 211. When the yarn is pulled, the ball 214 rotates without hindering the winding of the yarn.

[0049] As an optional implementation, Figure 3 As shown, a knob 23 is fixedly connected to the top of the screw rod 22;

[0050] In this way, the knob 23 can be easily rotated.

[0051] As an optional implementation, Figure 8 As shown, a wire outlet 6 is provided on one side of the closed box 1 away from the wire winding and controlling device 2, a fixed shaft 61 is provided beside the wire outlet 6, the fixed shaft 61 is fixedly connected to the closed box 1, a wire cutter 62 is rotatably connected to the fixed shaft 61, and the wire cutter 62 is in contact with the wire outlet 6;

[0052] In this way, the yarn is pulled to the cutting opening 62, and the cutting knife is rotated to make the initial lengths of the yarns cut on the multiple winding wheels 28 equal.

[0053] As an optional implementation, Figure 6 As shown, an upper cover 11 is hingedly connected to the other side of the closed box 1, and the upper cover 11 is provided with a plate slot 12 corresponding to the reference plate 4 for facilitating the passage of the reference plate 4;

[0054] In this way, the closed box 1 and the upper cover 11 are hingedly connected by the hinge.

[0055] As an optional implementation, Figure 3 As shown, a temperature sensor 14 and a humidity sensor 15 are fixedly connected to one end of the inner side of the closed box 1 away from the photographing port 17;

[0056] Both temperature and humidity will affect the softness of yarn, so when testing yarn, it is necessary to understand the ambient temperature and humidity when testing the yarn.

[0057] As an optional implementation, Figure 7 As shown, a handle 42 is fixedly connected to the top of each reference plate 4;

[0058] In this way, the handle 42 facilitates pulling the reference plate 4 .

[0059] As an optional implementation, Figure 1 , 4 As shown, a support leg 5 is fixedly connected to the bottom of the closed box 1, and a fill light 16 is arranged on the inner side of one end of the closed box 1 close to the photographing port 17;

[0060] In this way, the fill light 16 is used to provide a good photographing environment for the camera 3 .

[0061] A method for detecting yarn softness, comprising:

[0062] S1: Recording the temperature and humidity conditions in the closed box 1 according to the temperature sensor 14 and the humidity sensor 15;

[0063] S2: The yarn is drawn out from the winding wheel 28 with the yarn wound thereon and passed through the wire groove 211, stretched to the wire outlet 6 and cut by the wire cutter 62;

[0064] S3: Rotate the knob 23 to make the screw 22 spirally descend in the thread control block 21, and then make the pressing block 213 press the two compression springs 217, so that the compression springs 217 transmit force to the pressing block 213, so that the pressing block 213 moves downward in the limiting groove 212, and the ball 214 contacts the yarn on the routing groove 211;

[0065] S4: After the yarn sags due to gravity and remains stationary, the fill light 16 is turned on, and the camera 3 takes a photo of the yarn to be measured on the reference plate 4;

[0066] S5: Continue to drive the motor 27 to rotate, so that the winding wheel 28 rotates and reels, shortens the length of the yarn, measures the gravity drooping state of the yarn at different lengths, and finally withdraws the yarn so that all the yarn is reeled in the winding wheel 28;

[0067] S6: Repeat the S1-S5 test methods on the yarns on other winding and controlling devices 2 to obtain multiple sets of measurement data, and obtain the range and average value of the drooping bending amplitude of the yarn at different lengths.

[0068] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A yarn softness detection device, characterized in that: include: A closed box (1) is provided with a plurality of mounting openings (13) on one side, each mounting opening (13) is detachably connected to a winding and controlling wire device (2), and a limiting sliding groove (29) is provided between every two winding and controlling wire devices (2), and the limiting sliding groove (29) is provided on the closed box (1); One end of the closed box (1) is provided with a photographing port (17); A camera (3) is fixedly connected to one end of a photographing port (17) of the closed box (1), and a lens of the camera (3) is in contact with the photographing port (17) and extends into the closed box (1); A reference plate (4) is slidably connected to the limiting sliding groove (29), and a coordinate table (41) with vertical and horizontal scales is provided on one side of the reference plate (4) corresponding to the camera (3).

2. A yarn softness detection device according to claim 1, characterized in that: The winding and controlling wire device (2) comprises a wire control block (21), the wire control block (21) is provided with a wire routing groove (211), two mounting blocks (24) are fixedly connected to the two sides of the wire control block (21) in a mirror-image manner, the mounting blocks (24) are provided with threaded holes, a wheel frame (25) is fixedly connected to the bottom of the wire control block (21), an axle (26) is fixedly connected to the wheel frame (25), a motor (27) is fixedly connected to the outer circular end of the axle (26), and a winding wheel (28) is fixedly connected to the outer circular end of the motor (27).

3. A yarn softness detection device according to claim 2, characterized in that: The two ends of the inner side of the wiring groove (211) are provided with limiting grooves (212), a pressing block (213) is slidably connected in the limiting groove (212), a ball (214) is rotatably connected at the bottom of the pressing block (213), a cavity (215) is provided inside the pressing block (213), a spring groove (216) is provided at each of the two ends of the bottom of the cavity (215), and a compression spring (217) is provided in each of the spring grooves (216). A pressure plate (218) is also slidably connected in the cavity (215), and the two compression springs (217) are in contact between the pressure plate (218) and the spring groove (216). A connecting portion (219) is fixedly connected to the top of the pressure plate (218), and the connecting portion (219) passes through the clamping block (213). A screw rod (22) is rotatably connected to the top of the connecting portion (219), and the screw rod (22) is threadedly connected to the line control block (21).

4. A yarn softness detection device according to claim 3, characterized in that: The top of the screw rod (22) is fixedly connected with a knob (23).

5. A yarn softness detection device according to claim 3, characterized in that: A wire outlet (6) is provided on a side of the closed box (1) away from the wire reeling and controlling device (2), a fixed shaft (61) is provided beside the wire outlet (6), the fixed shaft (61) is fixedly connected to the closed box (1), a wire cutter (62) is rotatably connected to the fixed shaft (61), and the wire cutter (62) is in close contact with the wire outlet (6).

6. A yarn softness detection device according to claim 1, characterized in that: An upper cover (11) is hingedly connected to the other side of the closed box (1), and the upper cover (11) is provided with a plate slot (12) corresponding to the reference plate (4) for facilitating the passage of the reference plate (4).

7. A yarn softness detection device according to claim 1, characterized in that: A temperature sensor (14) and a humidity sensor (15) are fixedly connected to one end of the inner side of the closed box (1) away from the photographing port (17).

8. A yarn softness detection device according to claim 1, characterized in that: A handle (42) is fixedly connected to the top of each reference plate (4).

9. A yarn softness detection device according to claim 1, characterized in that: The bottom of the closed box (1) is fixedly connected to a supporting leg (5), and a fill light (16) is arranged on the inner side of one end of the closed box (1) close to the photographing port (17).

10. A method for detecting yarn softness, characterized in that: include: S1: recording the temperature and humidity conditions in the closed box (1) according to the temperature sensor (14) and the humidity sensor (15); S2: The yarn is drawn out from the winding wheel (28) with the yarn wound thereon and passed through the wire groove (211), stretched to the wire outlet (6) and cut with a wire cutter (62); S3: Rotate the knob (23) to make the screw rod (22) spiral downward in the thread control block (21), and then make the pressing block (213) press the two compression springs (217), so that the compression springs (217) transmit force to the pressing block (213), so that the pressing block (213) moves downward in the limiting groove (212), and the ball (214) contacts the yarn on the thread routing groove (211); S4: After the yarn sags due to gravity and remains stationary, the fill light (16) is turned on, and the camera (3) takes a photo of the yarn to be measured on the reference plate (4) for recording; S5: Continue to drive the motor (27) to rotate, so that the winding wheel (28) rotates and reels, shortens the length of the yarn, measures the gravity drooping state of the yarn at different lengths, and finally withdraws the yarn so that all the yarn is reeled in the winding wheel (28); S6: Repeat the S1-S5 test methods on the yarns on other winding and control devices (2) to obtain multiple sets of measurement data, and obtain the range and average value of the droop bending amplitude of the yarn at different lengths.

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