CN113737352A - Jacquard fabric weave structure design method of multi-weft combination full-covering structure - Google Patents
Jacquard fabric weave structure design method of multi-weft combination full-covering structure Download PDFInfo
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- CN113737352A CN113737352A CN202110754961.1A CN202110754961A CN113737352A CN 113737352 A CN113737352 A CN 113737352A CN 202110754961 A CN202110754961 A CN 202110754961A CN 113737352 A CN113737352 A CN 113737352A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C19/00—Methods or devices concerned with designing or making patterns, not provided for in other groups of this subclass
Abstract
The invention relates to a jacquard fabric weave structure design method of a multi-group weft combination full-covering structure, and belongs to the technical field of fabric structure design. The main technical scheme comprises: (1) designing basic tissues and backing tissues, (2) designing combined full-covering technical points, (3) designing a color development tissue library, and (4) applying the color development light tissue library and the backing tissues in a combined manner. The invention is technically characterized in that: can realize the juxtaposed mixed color development between two or more groups of color development weft yarn systems, has the overlapping and covering relationship with the backing weft yarn system, and can generate the maximum color development number of
The colorful effect of color development of the combination of multiple groups of wefts can meet the requirements of various subject pattern designs and the requirements of mass production.
Description
Technical Field
The invention relates to a method for designing a jacquard weave structure interwoven by warps and wefts, in particular to a method for designing a jacquard weave structure with a multi-group weft combination full-covering structure.
Background
The weft weight jacquard fabric in the traditional plane design mode is single, regular and less in change, the weft weight structural design and the color expression are easy to master, and the design of the organization structure mainly depends on the design experience, so that the high-efficiency production requirement cannot be met; the number of colors of the patterns is limited by hand-made patterns, generally does not exceed 64 types, restricts the space created by colors, and when multicolor and complex structure design is carried out, the design efficiency and precision can not meet the requirements, and the innovative design of the weft-heavy structure jacquard fabric can not be realized essentially. The invention introduces a digital jacquard layered combination design mode into the design of the weft heavy structure, can realize the effect of combining, juxtaposing and developing colors of a plurality of groups of wefts of the weft heavy structure, and can form a shadow-light transition effect by interweaving with the warp yarns.
Disclosure of Invention
The invention aims to overcome the defects of design efficiency and color utilization rate of a weft heavy structure due to structural limitation, and provides a jacquard fabric weave structure design method of a multi-group weft combined full-covering structure. The method adopts two or more groups of weft surface satin weaves with the same weave circulation, the same interweaving rule and different starting points as basic weaves, one group of warp surface satin weaves as backing weaves, designs a combined full-covering technical point for the basic weaves by utilizing the configuration relation of the basic weaves and the backing weaves, and forms a color developing weave library corresponding to the basic weaves, thereby realizing the colorful effect of color development of a plurality of groups of weft combinations, and the invention is realized by the following technical scheme:
(1) base and backing weave design
Designing n weft surface satin weaves with the same weave circulation and the same interweaving rule as basic weaves, namely basic weaves J1、J2、……JnN is more than or equal to 2, after n basic tissues are combined one by one at intervals along the weft direction, one tissue is kept unchanged, and the other n-1 tissues are shifted point by point, thereby determining a basic tissue J2……JnThe starting points of n basic tissues are different, the tissue circulation is R, the flying number is S, and the tissue points are required to be uniformly distributed after combination;
secondly, designing 1 warp surface satin weave as a backing weave B, and according to the structural configuration relationship between the basic weave and the backing weave, the former weave adjacent to the B is JnThe next tissue adjacent to B is J1Starting point of B and J according to the covering relationship of the basic tissue and the backing tissuenStarting point of (1) and J1The warp structure points on the second weft can not be overlapped;
(2) combined full-covering technical point design
According to the covering relationship between the basic weave and the backing weave, the n basic weaves are designed into a combined full-covering technical point (similar to a reinforced satin weave),
(ii) basic organization J1The design method of the combined full-covering technical point comprises the following steps: will form a basic structure J2The warp tissue points are inverted into weft tissue point sets which are overlapped with the tissues shifted by one weft from the backing tissue B;
when n is greater than or equal to 3, basic structure J2……Jn-1The design method of the combined full-covering technical point comprises the following steps: the warp structure points of two adjacent basic structures are inverted into weft structure points, and then the weft structure points are overlapped with each other to form a weft structure set;
③ basic organization JnThe design method of the combined full-covering technical point comprises the following steps: will form a basic structure Jn-1The warp tissue points are inverted into weft tissue points, and then the weft tissue points are overlapped with the backing tissue B to form a weft tissue point set;
(3) color-developing tissue bank design
After the combined full-covering technical points of n basic tissues are set, under the condition that the combined full-covering technical points are always kept as weft tissue points, a group of shadow light tissues, called as a color development tissue library of the basic tissues, is respectively designed for the n basic tissues, the strengthening directions of the tissue points of each group of color development tissue library are kept consistent, the strengthening directions are uniformly strengthened along the transverse direction from left to right or from right to left,
when Q ═ R, the color-developing tissue pool volume is the smallest, and is (R-M),
when Q is 1, the color-developing tissue pool volume is the largest and is (R-M) + (R-M-1) (R-1),
q is the number of the primary reinforced tissue points, R is the number of the tissue cycles of the basic tissue, and M is the number of the combined full-covering technical points on one weft yarn in one tissue cycle;
(4) combined application of color developing tissue bank and backing tissue
Designing a digital image meeting the requirement, processing the digital image into n color development image layers and 1 backing image layer which respectively correspond to n color development weft yarn systems and 1 backing weft yarn system, namely corresponding to n +1 groups of weft yarn system designs, wherein n is more than or equal to 2,
firstly, the color development image layer is subjected to color removal processing and gray scale quantity merging, the merged gray scale quantity is less than or equal to the capacity of a color development tissue library, and n groups of weft yarns are combined for color developmentThe maximum number of colorations that can be generated is: [ (R-M) + (R-M-1) (R-1)]nAny n groups of weft yarns are combined to develop color, so that the color can be generated
In a combination mode, the maximum color development number which can be generated by combining any n groups of weft yarns and alternately combining the weft yarns for color development is as follows:
replacing the weft-side tissue to warp-side tissue in the color-rendering image layer from black to white corresponding to the basic tissue color-rendering tissue library one by one, and paving the backing tissue in the backing image layer to form n +1 single-layer tissue structure diagrams;
thirdly, organizing the n +1 single-layer organizational structure charts according to a basic organization J1、J2……JnThe backing weave B is combined in sequence along the weft direction at intervals one by one to obtain a complete multi-group weft combination full-covering weave structure diagram;
(5) inspection method
In order to verify the effectiveness of the multi-group weft combination full-covering structure and also to check the effectiveness of the combination full-covering technical point, the method can check the effectiveness of the combination full-covering effect before the fabric design and the sample,
the method comprises the following steps: using basic structure J1The first tissue and the last tissue in the color developing tissue library are respectively connected with J2……JnThe first tissue and the last tissue in the color development tissue bank and the backing tissue B are combined one by one weft at intervals along the weft direction, if the tissue juxtaposition combination color development in the basic tissue color development tissue bank is met and the backing tissue B can be completely covered, the combination of the tissue in all the basic tissue color development tissue bank and the backing tissue B according to the implementation method meets the technical requirement of combination and full coverage;
(6) the production application of the invention
The combined structure diagram is added with weft selection information, proper warp and weft densities are designed, one group of yarns is selected as warp yarns, the n +1 group of yarns is selected as weft yarns, the colors of the yarns are matched, the combined structure diagram can be used for designing and producing a plurality of groups of weft combined full-covering jacquard fabrics with weft juxtaposed mixed color development, the plurality of groups of weft combined full-covering weave diagrams are rotated by 90 degrees, the weft selection information is added, and the proper warp and weft densities are set, so that the combined structure diagram can be used for designing and producing a plurality of groups of warp combined full-covering jacquard fabrics with warp juxtaposed mixed color development.
Drawings
FIG. 1 shows a basic structure J1、J2And a design schematic of backing weave B;
FIG. 2 shows a basic structure J1、J2A design schematic diagram of a combined full-coverage technical point;
FIG. 3 shows a basic structure J1A color development tissue bank with the minimum volume (the number of reinforced tissue points at one time is the number of tissue cycles);
FIG. 4 shows a basic structure J2The color development tissue with the minimum capacity (the number of the reinforced tissue points at one time is the number of the tissue cycles);
FIG. 5 shows basic tissues J1First tissue and basic tissue J in color developing tissue library2A combined full-covering structure schematic diagram of the first tissue, the last tissue and the backing tissue B arranged in the developing tissue library along the weft direction at a ratio of 1: 1;
FIG. 6 shows basic tissues J1The last tissue in the color tissue library and the basic tissue J2A combined full-covering structure schematic diagram of the first tissue, the last tissue and the backing tissue B arranged in the developing tissue library along the weft direction at a ratio of 1: 1;
FIG. 7 is a partial schematic view of a three-weft combination fully-covered structure with two sets of ground stitches combined with a set of backing stitches;
FIG. 8 is an effect diagram of three groups of weft jacquard fabric fabrics with two colors combined for color development.
Detailed Description
The method of the present invention will be described in detail by taking the arrangement of three sets of weft yarns and one set of warp yarns, and the satin weave design of 20 fly-in surfaces as an example.
1. In FIG. 1, basic tissue J1Selecting 20 7 fly-weft surface satins with the starting point of (warp, weft) ((1, 1)), and obtaining a basic structure J through the displacement of the starting point2The method is to arrange and combine two groups of 20 same satins in the weft direction at a ratio of 1: 1, wherein one group is kept unchanged, the other group is displaced point by point, and a tissue with uniformly distributed tissue points after combination is selected as a basic tissue J2In this example, the basic structure J2Starting point of (4, 1) from the basic structure J1、J2And the backing weave B, the starting point of B not being in relation to the basic weave J2Starting point and basic organization J of1The warp structure points of the second weft are overlapped, and 20 warp flying surface satins with a starting point of (16, 1) as the backing structure B are selected.
2. In FIG. 2, according to J1、J2B, for the basic organization J1、J2Setting combined full-covering technical points (similar to a reinforced satin) and basic organization J1The design method of the combined full-covering technical point comprises the following steps: will form a basic structure J2The warp tissue points are inverted into weft tissue point sets which are overlapped with the tissues shifted by one weft from the backing tissue B; basic tissue J2The design method of the combined full-covering technical point comprises the following steps: will form a basic structure J1The warp structure points are inverted into weft structure point sets which are overlapped with the backing structure B after the weft structure points are inverted.
3. Basic tissue J1、J2Color-developing tissue bank design
(1) In FIG. 3, the basic structure J is shown1Designing a group of image-light tissues for a base, increasing the number of tissue points once to be the number of tissue cycles, namely M-R-20, transversely strengthening the tissue points, keeping the combined full-coverage technical points to be weft tissue points all the time, and designing a group of color development tissue banks with the minimum capacity, wherein the capacity is R-2-18;
(2) in FIG. 4, the basic structure J is shown2A group of shadow tissues are designed for the basis, the number of tissue points is increased once to be the number of tissue cycles, namely M-R-20, the tissue points are strengthened transversely, the combined full-coverage technical points are kept to be weft tissue points all the time, a group of tissue banks with the minimum capacity is designed, and the capacity is R-2-18.
4. Combined full-coverage effect verification
In FIGS. 5-6, with J1First and last tissues in a library of chromogenic tissuesTissue is respectively linked to J2And the first tissue, the last tissue and the backing tissue B in the color development tissue library are combined in the weft direction of 1: 1 to verify the combined full-covering effect.
5. Three-weft-group combined full-covering fabric design
(1) Designing two color development layers and a backing layer, performing color removal and color separation treatment on the color development layers to form a gray image, correspondingly replacing weft-side tissues to warp-side tissues in a black-to-white and color development tissue library one by one in the gray image to obtain two single-layer structure diagrams, paving the backing layer tissues into the backing layer to obtain a complete three-group weft combination full-covering structure diagram, wherein FIG. 7 is a partial schematic diagram of the three-group weft combination full-covering structure;
(2) the combined structure diagram of the combined full-covering fabric is added with weft selection information, one group of yarns is selected to be used as warp yarns, two groups of yarns are used as weft yarns, and proper warp density and weft density are set, so that the combined full-covering jacquard fabric can be directly used for producing three groups of weft yarns which are alternately combined in pairs to develop color, and a local effect diagram of the fabric is shown in fig. 8.
The above description is provided for the purpose of describing the embodiments of the present invention in more detail, and it should not be construed that the embodiments of the present invention are limited to the description above, and it will be apparent to those skilled in the art that the present invention can be implemented in many different forms without departing from the spirit and scope of the present invention.
Claims (1)
1. A jacquard weave fabric weave structure design method of a multi-group weft combination full-covering structure is characterized in that: the color developing machine is formed by interweaving and circulating two or more groups of basic tissues and a group of weft yarns and warp yarns corresponding to a backing tissue, wherein the basic tissues have a combined color developing relationship, the basic tissues and the backing tissue have an overlapping covering relationship, and the maximum color developing number which can be generated by alternately combining and developing different weft yarn systems is
R is the number of tissue cycles, M is one tissue cycleThe number of combined full coverage technical points on one weft yarn in the ring. The method comprises the steps of (1) designing basic tissues and backing tissues, (2) designing combined full-covering technical points, (3) designing a color development tissue library, (4) applying the color development light tissue library and the backing tissues in a combined manner,
(1) base and backing weave design
Designing n weft surface satin weaves with the same weave circulation and the same interweaving rule as basic weaves, namely basic weaves J1、J2、……JnN is more than or equal to 2, after the basic tissues are arranged at intervals along the weft direction one by one, the tissue points are uniformly distributed, the starting point of each basic tissue is different, the tissue circulation is R, and the flying number is S;
secondly, selecting warp surface satin as a back lining weave B, arranging basic weaves and the back lining weave B at intervals one by one along the weft yarn direction after arranging the basic weaves at intervals one by one along the weft yarn direction, and arranging the former weave adjacent to the B as a J weavenThe next tissue adjacent to B is J1Starting point of B and JnStarting point of (1) and J1The warp structure points on the second weft can not be overlapped;
(2) combined full-covering technical point design
According to the covering relationship between the basic tissue and the backing tissue, the design of the combined full covering technical point is carried out on the n basic tissues,
(ii) basic organization J1The design method of the combined full-covering technical point comprises the following steps: will form a basic structure J2The warp tissue points are inverted into weft tissue point sets which are overlapped with the tissues shifted by one weft from the backing tissue B;
when n is greater than or equal to 3, basic structure J2……Jn-1The design method of the combined full-covering technical point comprises the following steps: the warp structure points of two adjacent basic structures are inverted into weft structure points, and then the weft structure points are overlapped with each other to form a weft structure set;
③ basic organization JnThe design method of the combined full-covering technical point comprises the following steps: will form a basic structure Jn-1The warp structure points are inverted into weft structure point sets which are overlapped with the backing structure B,
(3) color-developing tissue bank design
Under the condition that the combined full-covering technical points are always kept unchanged as weft tissue points, a group of shadow tissues, called as a color development tissue bank of basic tissues, is designed for n basic tissues, the reinforcing directions of the tissue points of each group of color development tissue bank are kept consistent, the reinforcing directions are uniformly reinforced along the transverse direction from left to right or from right to left,
when Q ═ R, the color-developing tissue pool volume is the smallest, and is (R-M),
when Q is 1, the color-developing tissue pool volume is the largest and is (R-M) + (R-M-1) (R-1),
q is the number of the primary reinforced tissue points, R is the number of the tissue cycles of the basic tissue, and M is the number of the combined full-covering technical points on one weft yarn in one tissue cycle;
(4) combined application of color developing tissue bank and backing tissue
Obtaining a basic tissue, a backing tissue and a color development tissue library according to the steps (1) and (3), designing n color development image layers and 1 backing image layer corresponding to n +1 groups of weft yarns, wherein n is more than or equal to 2,
firstly, performing decolorizing treatment and gray scale quantity merging on a color development image layer, wherein the merged gray scale quantity is less than or equal to the capacity of a color development tissue library, and the maximum color development number which can be generated by the color development of n groups of weft yarn combination is as follows: [ (R-M) + (R-M-1) (R-1)]nAny n groups of weft yarns are combined to develop color, so that the color can be generated
In a combination mode, the maximum color development number which can be generated by combining any n groups of weft yarns and alternately combining the weft yarns for color development is as follows:
replacing the weft-side tissue to warp-side tissue in the color-rendering image layer from black to white corresponding to the basic tissue color-rendering tissue library one by one, and paving the backing tissue in the backing image layer to form n +1 single-layer tissue structure diagrams;
thirdly, organizing the n +1 single-layer organizational structure charts according to a basic organization J1、J2……JnThe backing weave B is orderly carried out along the weft direction at intervals one by oneCombining to obtain a multi-group weft combined full-covering organizational structure chart;
and fourthly, adding weft selection information to the multiple groups of weft combination full-covering organizational charts, setting proper warp and weft densities, wherein the weft combination full-covering organizational charts can be used for designing and producing multiple groups of weft combination full-covering jacquard fabrics with weft direction juxtaposition mixed color development, rotating the multiple groups of weft combination full-covering organizational charts for 90 degrees, adding weft selection information and setting proper warp and weft densities, and the weft combination full-covering jacquard fabrics with warp direction juxtaposition mixed color development can be designed and produced.
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