CN117888255A - Silk fungus grass interweaved fabric and preparation process thereof - Google Patents
Silk fungus grass interweaved fabric and preparation process thereof Download PDFInfo
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- CN117888255A CN117888255A CN202410302496.1A CN202410302496A CN117888255A CN 117888255 A CN117888255 A CN 117888255A CN 202410302496 A CN202410302496 A CN 202410302496A CN 117888255 A CN117888255 A CN 117888255A
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- 239000004744 fabric Substances 0.000 title claims abstract description 155
- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 98
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000004043 dyeing Methods 0.000 claims abstract description 50
- 238000007493 shaping process Methods 0.000 claims abstract description 35
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 21
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a silk fungus grass interweaved fabric and a preparation process thereof, and relates to the technical field of silk fabric production, comprising the following steps: s1, weaving; s2, presetting; s3, whitening; s4, dyeing; putting the fabric into a jig dyeing machine at the temperature of 60 ℃ for dyeing, adding 30-60g/L anhydrous sodium sulphate, adding 4-8g/L color fixing agent, preserving heat for 1-3 hours, cutting and aligning the sample, performing water washing, soaping and water washing treatment on the fabric after confirming that the color value is accurate, adjusting the PH value, and discharging; s5, drying; s6, softening; s7, shaping; s8, checking a finished product. The silk fungus grass interweaved fabric adopts 100% mulberry silk for warp and adopts fungus grass for weft, and the problems of easy broken ends and rough silk surface in the weaving process are solved by selecting raw materials and improving the process; by improving the pre-shaping and dyeing process, the problems that the real silk fungus grass silk fabric is easy to wrinkle and fungus grass silk fiber is exposed in the production process are solved.
Description
Technical Field
The invention relates to the technical field of silk fabric production, in particular to a silk fungus grass interweaved fabric and a preparation process thereof.
Background
The technology of silk home textile and clothing fabric at the present stage has been widely applied in daily work and life of people. With the continuous pursuit of consumers on environment protection, comfort and healthy life style, the silk fabric has wide market prospect as a green, soft and breathable natural fabric. Therefore, development of more environment-friendly, high-quality and diversified silk fabrics is an important development direction of the silk industry in the future. The development of silk/fungus grass silk fabric is a plant fiber material which is developed by using fungus grass fiber as raw material and preparing pulp from fungus grass and then spinning. The fungus grass fiber has the advantages of being environment-friendly, reducing wood consumption, being naturally degradable and the like, is found by the research of the applicant to be more suitable for being used as weft yarn, is interwoven with mulberry silk to be a home textile fabric or a clothing fabric, opens up a new situation of developing a cellulose fiber fabric by grass instead of wood, can realize the new development of silk textile industry, and is endowed with new life by the application of the fungus grass fiber.
In the process of developing silk and fungus grass silk interweaved fabrics by the applicant, the following technical problems are found:
1. The fabric interwoven by common viscose fibers and real silk is finer and finer in appearance inspection, the fabric interwoven by the fungus grass fibers and the real silk is relatively coarse in appearance and has a feeling similar to fibrilia, and the phenomenon that the silk is more in hairiness and more in yarn breakage rate is found in the weaving process.
2. The real silk fungus grass silk fabric has the problem of easy creping in the dyeing and finishing production process; when the silk fungus grass silk fabric is dyed in a jig dyeing machine, if continuous spinning filaments are adopted as wefts, the boiling water shrinkage rate of the continuous spinning filaments is about 7 percent, and is 4 to 5 percent higher than that of semicontinuous spinning, the cloth cover is fed with water in a state of being hardly limited by tension, so that shrinkage creping is caused, continuous fermentation is carried out in the subsequent heating and dyeing processes, the cloth cover is more seriously folded, and the product quality is severely restricted.
3. The homochromatism problem of the silk fungus and grass silk interweaved fabric; the silk fungus grass silk fabric is a novel fabric, which has the luster, soft hand feeling and drapability of silk and the moisture absorption and air permeability of fungus grass silk. However, because the real silk and the fungus grass silk belong to protein fibers and cellulose fibers, the two fibers have great differences in morphological structure and physical and chemical properties, so that the difference of dyeing properties is obvious, and the same color of the same bath dyeing is poor. The product prepared by the existing dyeing process always has the problems of deep color of silk fiber and light color of fungus grass yarn, so that the dyed cloth cover has the conditions of unfinished color, white cotton and low overall effect. Especially when the fabric is used as a garment material, the requirements on color fastness, brightness of color and saturation are high, and the performance requirements of the interweaved garment material cannot be met by the existing technology. In order to obtain good homochromatism of the real silk fungus grass silk bi-component fabric, the dye is required to be screened, and technological parameters are adjusted to formulate a proper dyeing process.
In view of the above technical problems, the applicant provides a silk fungus grass interweaved fabric and a preparation process thereof.
Disclosure of Invention
The invention aims at: in order to solve the problems in the background technology, a real silk fungus grass interweaved fabric and a preparation process thereof are provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: a preparation process of a real silk fungus grass interweaved fabric comprises the following steps:
S1, weaving;
S2, presetting;
After the fabric blank is subjected to pre-shaping treatment in pre-shaping equipment, wrinkle removal and leveling of the fabric are realized;
S3, whitening;
Turning the pre-shaped fabric dried goods, refining, enzyme refining and washing to finish whitening;
s4, dyeing; putting the fabric into a jig dyeing machine at the temperature of 60 ℃ for dyeing, adding 30-60g/L anhydrous sodium sulfate, adding 4-8g/L color fixing agent (alkali powder) for heat preservation for 1-3 hours, cutting and checking the sample, performing water washing, soaping and water washing treatment on the fabric after confirming that the color value is accurate, adjusting the pH value, and discharging;
s5, drying; the drying temperature is 110 ℃;
s6, softening; softening the fabric by using a softening agent;
S7, shaping; the upper setting machine performs setting operation at a speed of 30m/min under the temperature condition of 120 ℃ by utilizing clip tentering;
S8, checking a finished product; and (3) inspecting appearance quality, hand feeling and measuring width, and testing the warp and weft density, shrinkage, stitch slippage, fuzzing and pilling, formaldehyde content, weft breaking strength, tearing strength and appearance after washing of each variety of sample.
As still further aspects of the invention: the temperature control condition of the pre-shaping process in the step S2 is that the temperature of drying rooms of 8 drying ovens is controlled to be as follows: 102 ℃,108 ℃,115 ℃,123 ℃,123 ℃,120 ℃,112 ℃ and 102 ℃; the speed control condition is that the vehicle speed enters each oven at a constant speed of 28 m/min; the tension control conditions are as follows: the radial tension is 39N/mm, and the weft tension is regulated and controlled according to the preset width of the fabric.
As still further aspects of the invention: the pre-shaping equipment in S2 comprises an operation table and an oven, wherein the oven is positioned at the top end of the operation table and is used for heating fabrics, a cloth feeding roller and a cloth discharging roller which can be adjusted to be lifted are respectively arranged at the front end and the rear end of the operation table, and the radial tension of the fabrics in the pre-shaping equipment is regulated and controlled by adjusting the lifting positions of the cloth feeding roller and the cloth discharging roller; the fabric on the operation panel is held through fixture, fixture includes two displacement seats, two displacement seat symmetry set up in the top of operation panel, the conveyer trough has been seted up to the outer wall of displacement seat, the inner wall of conveyer trough rotates and is connected with the conveyer belt, the extension gets into is seted up on the top of displacement seat curved groove on conveyer trough inner wall top, the outer wall fixedly connected with down the clamp splice of conveyer belt, the conveyer belt rotates and drives down the clamp splice removes, the top outer wall sliding connection of clamp splice has last clamp splice down, down the outer wall of clamp splice be located go up the below of clamp splice is seted up flutedly, go up the clamp splice with be connected with separating spring between the recess, go up the top fixedly connected with down the briquetting of clamp splice, two sets of conveyer belt pass through actuating mechanism drive and carry out synchronous rotation.
As still further aspects of the invention: the driving mechanism comprises a movable groove, the movable groove is formed in the top end of the operation table, movable seats are symmetrically and slidably connected to the inner wall of the movable groove, two movable seats are respectively fixedly connected with two movable seats, a synchronous wheel is rotatably connected to the inner wall of each movable seat, the synchronous wheel is in contact with the conveying belt, the synchronous wheel is rotatably driven by the conveying belt to rotate, a connecting shaft is fixedly connected to the bottom end of each synchronous wheel, a first bevel gear is fixedly connected to the bottom end of each connecting shaft, the inner part of each movable seat is located in the outer wall of each first bevel gear and is rotatably connected with a second bevel gear, a connecting hole is formed in the outer wall of each second bevel gear, a connecting rod is rotatably connected to the inner part of the operation table and penetrates through the movable seat and the connecting hole, a driving motor is mounted on the outer wall of the operation table and used for driving the connecting rod to rotate, the connecting rod rotates to drive the second bevel gears to rotate, and the distance between the two movable seats is adjusted through an adjusting mechanism.
As still further aspects of the invention: the adjusting mechanism comprises a rotating disc, the rotating disc is rotationally connected to the outer wall of the operating platform and is located on one side of the driving motor, a threaded rod is fixedly connected to the outer wall of the rotating disc, the threaded rod penetrates through the two movable seats, the outer wall of the operating platform is located on one side of the rotating disc and is fixedly connected with a fixing seat, a fixing groove is formed in the outer wall of the rotating disc, a fixing block is slidably connected to the inside of the fixing seat, the fixing block extends out of the fixing seat, a fixing spring is connected between the fixing block and the fixing seat, and the fixing block is clamped into the fixing groove under the action of the elastic force of the fixing spring and is used for fixing the rotating disc.
As still further aspects of the invention: the both sides of briquetting down all are the arcwall face, go up the clamp splice with the spacing groove has been seted up to the inside of briquetting down, the inner wall bottom fixedly connected with gag lever post of recess, separating spring cup joint in the outer wall of gag lever post, the outer wall of gag lever post with the inner wall of spacing groove is laminated mutually.
As still further aspects of the invention: the outer wall of the synchronous wheel is provided with lines matched with the inner wall of the conveying belt, and the first bevel gear is meshed with the second bevel gear; a rotating groove is formed in the movable seat, and the connecting rod is rotated by the rotating groove; the inner wall of the connecting hole is attached to the outer wall of the connecting rod, and the cross section of the connecting rod is square.
As still further aspects of the invention: the outer wall of the movable seat is provided with a threaded hole, and threads matched with the threaded hole are symmetrically arranged on the outer wall of the threaded rod; the inside of fixing base is offered and is supplied the fixed block carries out gliding displacement groove, the shape of fixed block is L shape, the one end of fixed block with the fixed slot looks block, the fixed slot is provided with a plurality of and circumference equidistance and distributes the outer wall of rolling disc.
The silk fungus grass interweaved fabric prepared by the preparation process of the silk fungus grass interweaved fabric is characterized in that silk is adopted as warp and fungus grass is adopted as weft for weaving; before weaving, the warp is subjected to silk soaking, silk winding, silk doubling, silk twisting, shaping, rewinding and warping treatment; the weft is processed by fine winding, yarn twisting, shaping and rewinding.
As still further aspects of the invention: the fungus grass yarn adopts weft twisted continuous fungus grass yarn.
Compared with the prior art, the invention has the beneficial effects that:
1. the existing silk interweaving fabric is mostly made of pure cotton, tencel and modal fiber interweaved with silk, raw materials are limited by cotton pulp and forest resources, in order to explore a brand new green production system, the applicant develops the silk fungus grass interweaving fabric, warp is 100% mulberry silk, silk fiber is a natural renewable resource, and the silk interweaving fabric has the advantages of softness and naturalness in luster, good drapability and good air permeability, and is the first choice of high-end home textile and high-end clothing fabric; the weft adopts the fungus grass yarn, the fungus grass yarn adopts natural green fungus grass material, the natural structure of the fungus grass material is maintained, the fungus grass yarn is an ideal fiber fabric in the production of regenerated cellulose filaments, and the problems of easy broken ends and rough silk surface in the weaving process are solved by improving the selection of raw materials and the process, particularly the fungus grass yarn adopts the weft twisting continuous fungus grass yarn.
2. By improving the pre-shaping process, the tension of the trolley is adjusted, the temperature difference of the dyeing trolley is controlled, and the problem that the silk fungus grass silk fabric is easy to wrinkle in the production process is solved. In particular to pre-shaping equipment specially designed by the invention, the lifting positions of the cloth feeding roller and the cloth discharging roller are adjusted so as to regulate and control the radial tension of the fabric in the pre-shaping equipment. The pre-shaping equipment drives the conveyer belt to rotate through setting up fixture and adjustment mechanism, the conveyer belt rotates and drives down the clamp splice to remove, when clamp splice removes to one side that two displacement seats are close down, go up the clamp splice and remove downwards, clamp splice and last clamp splice together carry out clamping operation to one side of fabric, lower clamp splice continues to remove and drives the fabric and remove, when the clamp splice removes the other end to the displacement seat down, loosen the operation to the fabric, be convenient for clamp the both sides of fabric at the fabric removal in-process, make the fabric remain level and smooth at the heating in-process, and can adjust the interval of clamp splice, thereby adapt to the fabric production of different width, and then be convenient for regulate and control latitudinal tension.
3. The invention solves the problems of deep color of silk, light color of fungus grass silk and large color difference of two fibers by selecting reactive dyes with different structures and controlling dyeing process, realizes energy conservation, emission reduction, green and environmental protection, and simultaneously realizes accurate color control, simple and easy process steps, consistent color of the two-component fibers and solves the problem of white color exposure of the fungus grass silk fibers.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the installation structure of the movable seat on the operation table;
FIG. 3 is a schematic diagram of a curved slot on a displacement seat according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the synchronizing wheel of the present invention;
FIG. 5 is a schematic view of the structure of the lower and upper clamping blocks of the present invention;
FIG. 6 is a schematic view of the internal structure of the lower and upper clamping blocks of the present invention;
fig. 7 is a schematic structural view of the adjusting mechanism of the present invention.
In the figure: 1. an operation table; 2. an oven; 3. a clamping mechanism; 301. a displacement seat; 302. a conveying trough; 303. a conveyor belt; 304. a curved slot; 305. a lower clamping block; 306. an upper clamping block; 307. pressing the block; 308. a groove; 309. a separation spring; 4. a driving mechanism; 401. a synchronizing wheel; 402. a connecting shaft; 403. a first bevel gear; 404. a second bevel gear; 405. a connection hole; 406. a connecting rod; 407. a driving motor; 408. a movable seat; 409. a movable groove; 5. an adjusting mechanism; 501. a rotating disc; 502. a threaded rod; 503. a fixing seat; 504. a fixing groove; 505. a fixed block; 506. a fixed spring; 6. a limit rod; 7. a limit groove; 8. a rotating groove; 9. and a displacement groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Example 1
Referring to fig. 1 to 7, in the embodiment, the silk fungus grass interweaved fabric is woven by adopting silk and fungus grass as warp yarns; before weaving, the warp is subjected to silk soaking, silk winding, silk doubling, silk twisting, shaping, rewinding and warping treatment; the weft is processed by fine winding, yarn twisting, shaping and rewinding. The fungus grass yarn adopts weft twisted continuous fungus grass yarn.
A preparation process of a real silk fungus grass interweaved fabric comprises the following steps:
S1, weaving;
S2, presetting;
After the fabric blank is subjected to pre-shaping treatment in pre-shaping equipment, wrinkle removal and leveling of the fabric are realized;
S3, whitening;
Turning the pre-shaped fabric dried goods, refining, enzyme refining and washing to finish whitening;
S4, dyeing; putting the fabric into a jig dyeing machine at the temperature of 60 ℃ for dyeing, adding 30g/L anhydrous sodium sulfate, adding 4g/L color fixing agent (alkali powder is selected as the color fixing agent), preserving heat for 1h, cutting and aligning the sample, performing water washing, soaping and water washing treatment on the fabric after confirming that the color value is accurate, adjusting the pH value, and discharging;
s5, drying; the drying temperature is 110 ℃;
s6, softening; softening the fabric by using a softening agent;
S7, shaping; the upper setting machine performs setting operation at a speed of 30m/min under the temperature condition of 120 ℃ by utilizing clip tentering;
S8, checking a finished product; and (3) inspecting appearance quality, hand feeling and measuring width, and testing the warp and weft density, shrinkage, stitch slippage, fuzzing and pilling, formaldehyde content, weft breaking strength, tearing strength and appearance after washing of each variety of sample.
The temperature control condition of the pre-shaping process in the step S2 is that the temperature of drying rooms of 8 drying ovens is controlled to be as follows: 102 ℃,108 ℃,115 ℃,123 ℃,123 ℃,120 ℃,112 ℃ and 102 ℃; the speed control condition is that the vehicle speed enters each oven at a constant speed of 28 m/min; the tension control conditions are as follows: and controlling the radial tension 39N/mm of the fabric by using a cloth feeding roller and a cloth discharging roller in the pre-forming equipment, and regulating and controlling the weft tension according to the preset width of the fabric.
The pre-forming apparatus described in S2 includes an operation table 1 and ovens 2, and in this embodiment, the number of ovens 2 is set to 8, and the ovens 2 are located at the top end of the operation table 1 for performing a heating operation on the fabric. The front end and the rear end of the operation table are respectively provided with a cloth feeding roller and a cloth discharging roller which can be adjusted to lift, and radial tension of the fabric in the pre-shaping equipment is adjusted and controlled by adjusting the lifting positions of the cloth feeding roller and the cloth discharging roller.
The fabric on the operation table 1 is clamped by the clamping mechanism 3, the clamping mechanism 3 comprises two displacement seats 301, the two displacement seats 301 are symmetrically arranged at the top end of the operation table 1, the outer wall of the displacement seat 301 is provided with a conveying groove 302, the inner wall of the conveying groove 302 is rotationally connected with a conveying belt 303, the top end of the displacement seat 301 is provided with a curved groove 304 extending into the top end of the inner wall of the conveying groove 302, the outer wall of the conveying belt 303 is fixedly connected with a lower clamping block 305, the conveying belt 303 rotates to drive the lower clamping block 305 to move, the top outer wall of the lower clamping block 305 is slidingly connected with an upper clamping block 306, the outer wall of the lower clamping block 305 is positioned below the upper clamping block 306 and provided with a groove 308, a separation spring 309 is connected between the upper clamping block 306 and the groove 308, the top end of the upper clamping block 306 is fixedly connected with a lower clamping block 307, the two groups of conveying belts 303 are synchronously rotated by driving mechanisms 4, the driving mechanisms 4 comprise a movable groove 409, the movable groove 409 is arranged at the top end of the operation table 1, the inner wall of the movable groove 409 is symmetrically and slidingly connected with the movable seat 408, the two movable seats 408 are respectively and fixedly connected with the two displacement seats 301, the inner wall of the displacement seat 301 is rotationally connected with the synchronous wheel 401, the synchronous wheel 401 is contacted with the conveying belt 303, the synchronous wheel 401 rotationally drives the conveying belt 303 to rotate, the bottom end of the synchronous wheel 401 is fixedly connected with the connecting shaft 402, the bottom end of the connecting shaft 402 is fixedly connected with the first bevel gear 403, the inner wall of the movable seat 408 is positioned at the outer wall of the first bevel gear 403 and rotationally connected with the second bevel gear 404, the outer wall of the second bevel gear 404 is provided with the connecting hole 405, the inner wall of the operation table 1 is rotationally connected with the connecting rod 406, the connecting rod 406 penetrates through the movable seat 408 and the connecting hole 405, the outer wall of the operation table 1 is provided with the driving motor 407, the driving motor 407 is used for driving the connecting rod 406 to rotate, the rotation of the connecting rod 406 is used to drive the second bevel gear 404 to rotate, and the distance between the two movable seats 408 is adjusted by the adjusting mechanism 5.
In this embodiment: when the device is used, the driving motor 407 is started, the driving motor 407 runs to drive the connecting rod 406 to rotate, the connecting rod 406 rotates to drive the second bevel gear 404 to synchronously rotate, the second bevel gear 404 rotates to drive the first bevel gear 403 to rotate, the first bevel gear 403 rotates to drive the connecting shaft 402 to rotate, the connecting shaft 402 rotates to drive the synchronous wheel 401 to rotate, and the synchronous wheel 401 rotates to drive the conveying belts 303 to rotate, so that the two conveying belts 303 reversely synchronously rotate.
The conveyer belt 303 rotates to drive the lower clamping block 305 to move, the upper clamping block 306 moves along with the lower clamping block 305, at this time, the lower clamping block 307 moves in the curved groove 304, when the lower clamping block 305 moves to one side close to the two displacement seats 301, the lower clamping block 307 moves to one end of the curved groove 304, the lower clamping block 305 continues to move, the lower clamping block 307 moves downwards under the action of pressure, the lower clamping block 307 moves to drive the upper clamping block 306 to move downwards, the separation spring 309 causes extrusion, the lower clamping block 305 and the upper clamping block 306 together clamp one side of the fabric, the lower clamping block 305 continues to move to drive the fabric to move, the fabric sequentially moves into each oven 2 to be heated, when the lower clamping block 305 moves to the other end of the displacement seat 301, the lower clamping block 307 enters the curved groove 304 again, the upper clamping block 306 moves upwards under the action of the elasticity of the separation spring 309, and the lower clamping block 307 enters the curved groove 304 to release the fabric.
Referring to fig. 2 and 7, the adjusting mechanism 5 includes a rotating disc 501, the rotating disc 501 is rotatably connected to an outer wall of the operating platform 1 and is located at one side of the driving motor 407, a threaded rod 502 is fixedly connected to an outer wall of the rotating disc 501, the threaded rod 502 penetrates through two movable seats 408, a fixed seat 503 is fixedly connected to one side of the outer wall of the operating platform 1, a fixed slot 504 is provided on the outer wall of the rotating disc 501, a fixed block 505 is slidably connected to an inner portion of the fixed seat 503, the fixed block 505 extends out of the fixed seat 503, a fixed spring 506 is connected between the fixed block 505 and the fixed seat 503, and the fixed block 505 is clamped into the fixed slot 504 under the elastic force of the fixed spring 506 for fixing the rotating disc 501.
In this embodiment: when the distance between the two displacement seats 301 is required to be adjusted for fabrics with different widths, the fixed block 505 is pushed to move out of the fixed groove 504 during adjustment, the fixed spring 506 is extruded, the fixation of the rotating disc 501 is canceled, the rotating disc 501 is rotated, the threaded rod 502 is driven to rotate, the threaded rod 502 rotates to drive the two movable seats 408 to move reversely, the movable seats 408 move to drive the displacement seats 301 to move, the distance between the two displacement seats 301 is adjusted, the fixed block 505 is released after the adjustment, the fixed block 505 is clamped into the fixed groove 504 under the action of the elasticity of the fixed spring 506, the rotating disc 501 is fixed, the distance between the two groups of lower clamping blocks 305 is fixed, and damage to the fabrics is prevented due to the fact that the distance between the lower clamping blocks 305 is changed when the device is used.
Referring to fig. 4 to 6, both sides of the lower pressing block 307 are arc surfaces, the inner parts of the upper clamping block 306 and the lower pressing block 307 are provided with a limiting groove 7, the bottom end of the inner wall of the groove 308 is fixedly connected with a limiting rod 6, the separating spring 309 is sleeved on the outer wall of the limiting rod 6, and the outer wall of the limiting rod 6 is attached to the inner wall of the limiting groove 7.
In this embodiment: the conveyer belt 303 rotates to drive the lower clamping block 305 to move, the upper clamping block 306 moves along with the lower clamping block 305, at this time, the lower clamping block 307 moves in the curved groove 304, when the lower clamping block 305 moves to one side close to the two displacement seats 301, the lower clamping block 307 moves to one end of the curved groove 304, the lower clamping block 305 continues to move, the lower clamping block 307 moves downwards under the action of pressure, the lower clamping block 307 moves to drive the upper clamping block 306 to move downwards, the separation spring 309 causes extrusion, the lower clamping block 305 and the upper clamping block 306 clamp one side of the fabric together, at this time, the limiting rod 6 slides in the limiting groove 7 to limit the movement of the upper clamping block 306.
Referring to fig. 4, the outer wall of the synchronizing wheel 401 is provided with lines matching with the inner wall of the conveying belt 303, and the first bevel gear 403 is meshed with the second bevel gear 404.
In this embodiment: the second bevel gear 404 rotates to drive the first bevel gear 403 to rotate, the first bevel gear 403 rotates to drive the connecting shaft 402 to rotate, the connecting shaft 402 rotates to drive the synchronizing wheel 401 to rotate, and the synchronizing wheel 401 rotates to drive the conveying belt 303 to rotate.
Referring to fig. 4, a rotating groove 8 is formed in the movable seat 408, the rotating groove 8 is used for rotating the connecting rod 406, the inner wall of the connecting hole 405 is attached to the outer wall of the connecting rod 406, and the cross section of the connecting rod 406 is square.
In this embodiment: when the connecting rod 406 rotates, the second bevel gear 404 is driven to rotate synchronously, and at this time, the connecting rod 406 rotates in the rotating groove 8.
Referring to fig. 2 and 7, the outer wall of the movable seat 408 is provided with a threaded hole, and the outer wall of the threaded rod 502 is symmetrically provided with threads matching the threaded hole.
In this embodiment: rotating the rotating disc 501 drives the threaded rod 502 to rotate, and the threaded rod 502 rotates to drive the two movable seats 408 to move reversely.
Referring to fig. 7, a displacement slot 9 is formed in the fixing seat 503 for sliding the fixing block 505, the fixing block 505 is L-shaped, one end of the fixing block 505 is engaged with the fixing slot 504, and the fixing slots 504 are provided with a plurality of outer walls with equal intervals circumferentially distributed on the rotating disc 501.
In this embodiment: the fixing block 505 is released, and the fixing block 505 is clamped into the fixing groove 504 under the elastic force of the fixing spring 506, so that the rotating disc 501 is fixed.
Example 2
In this embodiment, a preparation process of a silk fungus grass interweaved fabric includes the following steps:
S1, weaving;
S2, presetting;
After the fabric blank is subjected to pre-shaping treatment in pre-shaping equipment, wrinkle removal and leveling of the fabric are realized;
S3, whitening;
Turning the pre-shaped fabric dried goods, refining, enzyme refining and washing to finish whitening;
S4, dyeing; putting the fabric into a jig dyeing machine at the temperature of 60 ℃ for dyeing, adding 40g/L anhydrous sodium sulfate, adding 6g/L color fixing agent (alkali powder) for heat preservation for 2 hours, cutting the fabric, checking the sample, performing water washing, soaping and water washing treatment on the fabric after confirming that the color value is accurate, adjusting the pH value, and discharging;
s5, drying; the drying temperature is 110 ℃;
s6, softening; softening the fabric by using a softening agent;
S7, shaping; the upper setting machine performs setting operation at a speed of 30m/min under the temperature condition of 120 ℃ by utilizing clip tentering;
S8, checking a finished product; and (3) inspecting appearance quality, hand feeling and measuring width, and testing the warp and weft density, shrinkage, stitch slippage, fuzzing and pilling, formaldehyde content, weft breaking strength, tearing strength and appearance after washing of each variety of sample.
The rest of the implementation manners of this embodiment are the same as those of the first embodiment, and will not be described again.
Example 3
In this embodiment, a preparation process of a silk fungus grass interweaved fabric includes the following steps:
S1, weaving;
S2, presetting;
After the fabric blank is subjected to pre-shaping treatment in pre-shaping equipment, wrinkle removal and leveling of the fabric are realized;
S3, whitening;
Turning the pre-shaped fabric dried goods, refining, enzyme refining and washing to finish whitening;
S4, dyeing; putting the fabric into a jig dyeing machine at the temperature of 60 ℃ for dyeing, adding 60g/L anhydrous sodium sulfate, adding 8g/L color fixing agent (alkali powder) for heat preservation for 3 hours, cutting the fabric, checking the sample, performing water washing, soaping and water washing treatment on the fabric after confirming that the color value is accurate, adjusting the pH value, and discharging;
s5, drying; the drying temperature is 110 ℃;
s6, softening; softening the fabric by using a softening agent;
S7, shaping; the upper setting machine performs setting operation at a speed of 30m/min under the temperature condition of 120 ℃ by utilizing clip tentering;
S8, checking a finished product; and (3) inspecting appearance quality, hand feeling and measuring width, and testing the warp and weft density, shrinkage, stitch slippage, fuzzing and pilling, formaldehyde content, weft breaking strength, tearing strength and appearance after washing of each variety of sample.
The rest of the implementation manners of this embodiment are the same as those of the first embodiment, and will not be described again.
The experimental detection of the product and the process provided by the invention comprises the following steps:
1. Compared with the physical index detection and comparison of the viscose and silk interweaved fabric, the invention has the advantages that:
With reference to the style of silk, the warp adopts silk 20D/22D/2 warp density 110 pieces/cm, the weft adopts 75D/40F weft density 50 pieces/cm, and 4 kinds of yarns and viscose (cotton pulp) are respectively used as the weft; viscose (wood pulp); twisting (6T/cm) of semi-continuous spun grass filaments, performing a comparison experiment, subjecting a sample to white scouring, dyeing, softening and tentering to obtain a finished fabric, and detecting various physical indexes of the finished fabric, wherein the physical indexes are shown in the following table:
The experimental result shows that each physical index of the silk fungus grass silk interweaved fabric can reach the performance level of the silk viscose interweaved fabric. The index of the twisting (6T/cm) of the 3# real silk/fungus grass silk is better than that of the 4# real silk/fungus grass silk.
2. The warp adopts the same silk, and the weft adopts semi-continuous spun fungus grass yarn to be compared with the performance index of the fabric woven by the continuous spun fungus grass yarn.
The applicant solves the problems of rough silk surface and high breakage rate by adopting twisted continuous spun grass yarns as weft yarns, and under the condition of adopting the same warp yarns, the weft yarns adopt 75D continuous spun grass yarns (twisted 6T/cm), 50D continuous spun grass yarns (twisted 6T/cm), semi-continuous spun grass yarns (twisted 6T/cm) and semi-continuous spun grass yarns (untwisted) respectively, and the specific performance indexes of the obtained fabric are shown in the following table:
From experimental data and visual observations, it can be seen that: the dyeing and finishing shrinkage rate of the continuous spun grass yarn is larger than that of the semicontinuous spinning, but compared with that of the semicontinuous spinning grass yarn, the continuous spinning grass yarn is more exquisite in silk surface of the woven fabric after being twisted, and basically has no broken ends in the weaving process.
3. And (3) testing the dyeing homochromatism of the silk fungus and grass yarn interweaved fabric.
Reactive dyes of different factories are respectively selected for dyeing the real silk fungus grass silk fabrics in the test, and the reactive dyes are respectively selected: there are chemical Sumifix-HF series, perpetual chemical Everzol-LX series, and Hunmei chemical Novacron-SE series.
The test sample adopts silk fungus grass silk satin 4 g/piece, and the process conditions are as follows: bath ratio 1:25, 60 ℃ and 60 minutes, 50g/L of anhydrous sodium sulphate and 4g/L of alkali powder. The relative dyeing concentration is used as a judging standard (owf concentration is 2%), and the darkest color (maximum dye uptake) is used as the optimal process control element.
Folding the dyed sample into 4 layers, measuring the color difference delta Ecmc (2:1) and the dyeing depth K/S value at the maximum absorption wavelength under the conditions of large aperture and light source D65/10 DEG by adopting a Datacolor color measurement and matching system, and calculating the homochromatic balance value K according to the formula (1):
K=(K/S)s/(K/S)c……(1)
wherein: (K/S) S is the K/S value of the real silk fabric;
(K/S) c is the K/S value of the fungus grass yarn.
When k=1, the real silk and the fungus grass silk are the same color; when K is more than 1, the real silk is darker than the fungus grass silk; when K is less than 1, the color of the real silk is lighter than that of the fungus grass silk. Thus, the closer the K value is to 1, the better the homochromatism. The relative dyeing concentration is used as a judging standard, the darkest color is obtained (the maximum dye-uptake) as the optimal process control element, and the measured result is shown in the following table:
Note that: the dyeing K/S value refers to a quantitative parameter of the degree of shade of the object to be dyed after dyeing by the dye. Specifically, K represents the absorption coefficient, and S represents the scattering coefficient. The larger the K/S value, the darker the color of the object to be dyed, i.e. the higher the concentration of the colored substance, the better the dyeing performance of the dye. Conversely, a smaller K/S value indicates a lighter color of the substrate. Δe refers to the color difference between the reference color and the actual contrast color, the smaller the value of which is, the smaller the difference between the two colors is, and the larger the value of which is, the larger the difference is.
Conclusion: the color balance K of the Henschel cycloda SE dye on the silk fungus grass silk mixed fabric is 0.8-1.2, and the color difference delta E is less than or equal to 1.5, so that the dyeing homochromatism of the Henschel cycloda SE dye applied to the silk fungus grass silk mixed fabric is considered to be better. The reactive dye has higher dyeing homochromatic color difference than that of the fourth grade, and the appearance of the fabric has no fluff and white fog feeling.
4. Setting experiment of dyeing process of silk fungus and grass silk interweaving fabric.
According to the result of the dyeing homochromatism detection test of the silk fungus grass silk interweaved fabric, selecting the trichromatism dye of the Henschel ring-reach SE dye, performing blending dyeing according to the trichromatism dye color matching prescription, and further analyzing the influence of the consumption of anhydrous sodium sulfate and a color fixing agent (sodium carbonate) on the dyeing homochromatism of the silk/fungus grass silk interweaved fabric:
1. Influence of dyeing temperature on dyeing homochromatism of real silk/fungus grass silk: as the temperature increases, the K/S value of the real silk becomes larger, the color becomes darker, the K/S value of the fungus grass silk decreases, and the dyeing synchronism decreases; the dyeing temperature is not too high, the same color effect can be achieved by low-temperature dyeing, and experiments prove that the dyeing temperature is preferably 60 ℃.
2. Influence of anhydrous sodium sulphate consumption on dyeing homochromatism of silk/fungus grass silk fabrics: with the increase of the consumption of the anhydrous sodium sulphate, the dyeing depth of the silk and the fungus grass silk fabrics is improved, and the homochromatism is also improved; when the consumption of the anhydrous sodium sulphate is increased to 40g/L, the same color balance value K is not changed greatly, and the anhydrous sodium sulphate is taken as a preferable scheme by comprehensively considering the consumption of the anhydrous sodium sulphate to be 40 g/L.
3. Influence of soda on dyeing properties of Silk/jun grass silk mixed fabrics: with the increase of the sodium carbonate dosage as the color fixing agent, the K/S value of the fungus grass yarn is not changed greatly, the K/S value of the real silk is reduced after the rising, and the same-color balance value K is not changed greatly. The main reason is that the amount of sodium carbonate is small, after dyeing for a certain time, the fungus grass silk fabric starts to fix color, the alkalinity of the dye liquor is reduced, and the real silk is promoted to dye again; when the consumption of sodium carbonate is large, after dyeing for a period of time, the alkaline change in the dye liquor is small, so that the dyeing rate of the real silk fabric is reduced. From the test results, in order to obtain better dyeing depth and homochromatic property, the preferable scheme is that the dosage of sodium carbonate is 4 g/L.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The preparation process of the real silk fungus grass interweaved fabric is characterized by comprising the following steps of:
S1, weaving;
S2, presetting;
After the fabric blank is subjected to pre-shaping treatment in pre-shaping equipment, wrinkle removal and leveling of the fabric are realized;
S3, whitening;
Turning the pre-shaped fabric dried goods, refining, enzyme refining and washing to finish whitening;
S4, dyeing; putting the fabric into a jig dyeing machine at the temperature of 60 ℃ for dyeing, adding 30-60g/L anhydrous sodium sulphate, adding 4-8g/L color fixing agent, preserving heat for 1-3 hours, cutting and aligning the sample, performing water washing, soaping and water washing treatment on the fabric after confirming that the color value is accurate, adjusting the pH value, and discharging;
s5, drying; the drying temperature is 110 ℃;
s6, softening; softening the fabric by using a softening agent;
S7, shaping; the upper setting machine performs setting operation at a speed of 30m/min under the temperature condition of 120 ℃ by utilizing clip tentering;
s8, checking a finished product.
2. The process for preparing the real silk fungus grass interweaved fabric according to claim 1, wherein the temperature control condition of the pre-shaping process in the step S2 is that the temperature of drying rooms of 8 drying ovens is controlled to be as follows: 102 ℃,108 ℃,115 ℃,123 ℃,123 ℃,120 ℃,112 ℃ and 102 ℃; the speed control condition is that the vehicle speed enters each oven at a constant speed of 28 m/min; the tension control conditions are as follows: the radial tension is 39N/mm, and the weft tension is regulated and controlled according to the preset width of the fabric.
3. The preparation process of the real silk fungus grass interweaved fabric according to claim 1, wherein the pre-shaping equipment in S2 comprises an operation table (1) and a drying oven (2), the drying oven (2) is positioned at the top end of the operation table (1) and is used for heating fabrics, and the preparation process is characterized in that a cloth feeding roller and a cloth discharging roller capable of adjusting lifting are respectively arranged at the front end and the rear end of the operation table (1), and radial tension of the fabrics in the pre-shaping equipment is further adjusted by adjusting lifting positions of the cloth feeding roller and the cloth discharging roller; the fabric on the operating table (1) is clamped by a clamping mechanism (3); clamping mechanism (3) include two displacement seat (301), two displacement seat (301) symmetry set up in the top of operation panel (1), conveyer trough (302) are seted up to the outer wall of displacement seat (301), the inner wall rotation of conveyer trough (302) is connected with conveyer belt (303), the extension get into curved groove (304) on conveyer trough (302) inner wall top are seted up on the top of displacement seat (301), the outer wall fixedly connected with of conveyer belt (303) clamp splice (305), conveyer belt (303) rotate and drive clamp splice (305) down move, the top outer wall sliding connection of clamp splice (305) has clamp splice (306) down, the outer wall of clamp splice (305) is located go up the below of clamp splice (306) and set up fluted (308), go up clamp splice (306) with be connected with separating spring (309) between recess (308), the top fixedly connected with of clamp splice (306) down clamp splice (307), two sets of conveyer belt (303) are through actuating mechanism (4) drive.
4. The process for preparing the real silk fungus grass interweaving fabric according to claim 3, wherein the driving mechanism (4) comprises a movable groove (409), the movable groove (409) is formed in the top end of the operation table (1), movable seats (408) are symmetrically and slidably connected to the inner walls of the movable groove (409), two movable seats (408) are fixedly connected with two displacement seats (301) respectively, a synchronous wheel (401) is rotatably connected to the inside of each displacement seat (301), the synchronous wheel (401) is in contact with the conveying belt (303), the synchronous wheel (401) is rotatably driven to rotate by the conveying belt (303), a connecting shaft (402) is fixedly connected to the bottom end of each synchronous wheel (401), a first bevel gear (403) is fixedly connected to the bottom end of each connecting shaft (402), a second bevel gear (404) is rotatably connected to the outer wall of each movable seat (408), a connecting hole (405) is formed in the outer wall of each second bevel gear (404), a motor (405) is rotatably connected to the inner wall of each movable seat (403), the connecting shaft (402) is rotatably connected to the connecting rod (406), the connecting table (406) is rotatably connected to the outer wall of the operation table (1), the driving motor (407) is used for driving the connecting rod (406) to rotate, the connecting rod (406) rotates and is used for driving the second bevel gear (404) to rotate, and the distance between the two movable seats (408) is adjusted through the adjusting mechanism (5).
5. The preparation process of the real silk fungus grass interweaving fabric according to claim 4, wherein the adjusting mechanism (5) comprises a rotating disc (501), the rotating disc (501) is rotationally connected to the outer wall of the operating platform (1) and located on one side of the driving motor (407), a threaded rod (502) is fixedly connected to the outer wall of the rotating disc (501), the threaded rod (502) penetrates through two movable seats (408), a fixing seat (503) is fixedly connected to one side of the operating platform (1) on the outer wall of the rotating disc (501), a fixing groove (504) is formed in the outer wall of the rotating disc (501), a fixing block (505) is connected to the inner portion of the fixing seat (503) in a sliding mode, a fixing spring (506) is connected between the fixing block (505) and the fixing seat (503), and the fixing block (505) is clamped into the fixing groove (504) under the elastic action of the fixing spring (506) to fix the rotating disc (501).
6. The preparation process of the real silk fungus grass interweaving fabric according to claim 3, wherein both sides of the lower pressing block (307) are arc-shaped surfaces, a limit groove (7) is formed in the upper clamping block (306) and the lower pressing block (307), a limit rod (6) is fixedly connected to the bottom end of the inner wall of the groove (308), the separation spring (309) is sleeved on the outer wall of the limit rod (6), and the outer wall of the limit rod (6) is attached to the inner wall of the limit groove (7).
7. The process for preparing the real silk fungus grass interweaving fabric according to claim 4, wherein the outer wall of the synchronizing wheel (401) is provided with lines matched with the inner wall of the conveying belt (303), and the first bevel gear (403) is meshed with the second bevel gear (404); a rotating groove (8) is formed in the movable seat (408), and the connecting rod (406) rotates through the rotating groove (8); the inner wall of the connecting hole (405) is attached to the outer wall of the connecting rod (406), and the cross section of the connecting rod (406) is square.
8. The preparation process of the real silk fungus grass interweaving fabric according to claim 5, wherein the outer wall of the movable seat (408) is provided with threaded holes, and the outer wall of the threaded rod (502) is symmetrically provided with threads matched with the threaded holes; the inside of fixing base (503) is offered and is supplied fixed block (505) carries out gliding displacement groove (9), the shape of fixed block (505) is L shape, the one end of fixed block (505) with fixed groove (504) looks block, fixed groove (504) are provided with a plurality of and circumference equidistance distributes the outer wall of rolling disc (501).
9. The silk fungus grass interweaving fabric prepared by the silk fungus grass interweaving fabric preparation process according to any one of claims 1-8, wherein the warp adopts silk and the weft adopts fungus grass to weave; before weaving, the warp is subjected to silk soaking, silk winding, silk doubling, silk twisting, shaping, rewinding and warping treatment; the weft is processed by fine winding, yarn twisting, shaping and rewinding.
10. The silk fungus grass interweaving fabric prepared by the silk fungus grass interweaving fabric preparation process according to claim 9, wherein fungus grass filaments are continuous spun fungus grass filaments twisted in weft direction.
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