CN115627574A - Jacquard weaving method - Google Patents
Jacquard weaving method Download PDFInfo
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- CN115627574A CN115627574A CN202211363712.0A CN202211363712A CN115627574A CN 115627574 A CN115627574 A CN 115627574A CN 202211363712 A CN202211363712 A CN 202211363712A CN 115627574 A CN115627574 A CN 115627574A
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- harness
- area
- needles
- empty
- jacquard
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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
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- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention discloses a jacquard weaving method, which comprises the following steps: step one, designing and assembling; determining the number of actual harness cords; step three, calculating the empty needle ratio; step four, manufacturing a sample card; step five, manufacturing a pattern plate; step six, drafting and reeding; in the third step, aiming at different hung products, the two hangers can be combined into one hanger for use by using the empty needle under the condition of not changing the hanging number, and the specific method comprises the following steps: if the number of the empty needles is more than half, the odd number and the even number of the original manufactured harness cord are separately marked, the odd number is an area a, the even number is an area b, and the two areas ab are subjected to uniform empty needle treatment; the invention improves the existing assembly process, and provides the assembly method with the maximum harness cord number during design and assembly, so that the machine change can be simply and quickly completed when products with different warp densities or different hanging handles are switched, the machine change procedures are greatly reduced, the machine change cost is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a jacquard weaving method.
Background
The textile industry is the traditional industry in China, the country greatly develops the textile industry, a plurality of advanced textile equipment is introduced, especially, the popularization of a jacquard machine enables the product color to be richer and more colorful, the personalized consumption demand is met, the jacquard product becomes the mainstream in the woven product at present, and the equipment and the technology matched with the jacquard product are more and more mature; in the prior art, the method for weaving jacquard products is as follows: designing the hanging number, hanging method, pattern plate width and the like of the assembly according to the factors such as the product process requirement, the loom width, the faucet needle number, the height and the like, and the subsequent matched drafting and reeding work, wherein a series of work such as the assembly, the hanging drafting, the reeving and the like needs to be carried out again according to different assembly processes related to products of each different process, and the whole process for replacing the assembly and modification process is called as a machine changer; the jacquard weaving method has the advantages that the cost for replacing products of different processes is very high due to the fact that the number of machine changing procedures is large, the machine changing procedures are complex, the machine changing cost is high, the machine changing times are more and more, the high machine changing cost and frequent machine halt cause a factory to be more and more difficult to bear, and therefore the jacquard weaving method which is few in machine changing procedures, low in machine changing cost, simple to operate and applicable to different product processes is urgently needed.
Disclosure of Invention
The invention aims to provide a jacquard weaving method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a jacquard weaving method comprises the following steps: step one, designing and assembling; determining the number of actual harness cords; step three, calculating the empty needle ratio; step four, manufacturing a sample card; step five, manufacturing a pattern plate; step six, drafting and reeding;
in the first step, aiming at products with different warp densities, when the jacquard is designed and manufactured, the number of the harness cords is determined according to the highest warp density of the produced fabric;
in the second step, the number of the used harness cords is calculated according to the actual warp density of the fabric to be produced;
in the third step, the surplus harness cords in the second step are subjected to uniform empty needle treatment, and the proportion of the number of empty needles is calculated as follows: the number n of the harness cords in each suspension is subtracted by the number n' of the actual use to calculate the number n of the empty needles needed 0 Then the number n of empty needles 0 Dividing by the number n of the harness cords, and rounding to obtain the proportion of uniform empty needles;
in the fourth step, according to the ratio obtained in the fourth step, the designed pattern is designed by the artistic designer through the CAD software to manufacture a sample card;
in the fifth step, the sample card manufactured in the fifth step is subjected to card-drawing processing to obtain a card-drawing file;
and step six, guiding the card file into a jacquard, starting the jacquard, lifting up the used needles, dropping the empty needles, and drafting and reeding the lifted healds.
Preferably, in the second step, the total number of the harness cords = the number of harness cords bundles × the number of harness cords per bundle, the number of harness cords under one vertical needle is equal to the number of pattern cycles, the symmetric pattern is multiplied by 2, and the harness cords hung under one vertical needle are twisted into a bundle, so that the number of harness cords = the number of vertical needles = the pattern width × the warp density = the number of body ends/the number of pattern cycles.
Preferably, in the third step, in actual production, the number of the harness cords must be even for convenient operation, so that the number of the odd empty needles needs to be doubled.
Preferably, in the third step, aiming at different hung products, the two hangers can be combined into one hanger for use by using the empty needle without changing the hanging number, and the specific method comprises the following steps: if the number of the empty needles is more than half, the odd number and the even number of the original harness cord are marked separately, the odd number is an area a, the even number is an area b, and the even empty needle treatment is carried out on the area ab.
Preferably, in the fourth step, the specific steps of manufacturing the sample card are as follows: the method comprises the steps of pattern editing, artistic designing drawing modification, organization establishment, picking file generation, organization configuration table determination and design sample card design.
Preferably, in the fifth step, the pattern card processing needs to select a specific weaving file format according to the model of the jacquard head, and the suffix name of the pattern card file is selected as the file type of "WB".
Preferably, in the sixth step, when drafting is performed on different hoisted products, the needles in the area ab need to be respectively hoisted, that is, the needle in the area a is hoisted, the area b falls completely, the needle in the area b is hoisted, and the area a falls completely; when the area a is lifted by the needle, a first, a third and a fifth hangers are threaded, and when the area b is lifted by the needle, a second, a fourth and a sixth hangers are threaded, so that the first and the second hangers are threaded with different heddles; when drawing, a drawing is combined and drawn in the area a and the area b, the two hanging woven patterns are different and are combined together to form a finished big drawing, and the effect of hanging three is achieved.
Compared with the prior art, the invention has the beneficial effects that: the invention improves the existing assembly process, and provides the assembly method with the maximum harness cord number during design and assembly, so that the machine change can be simply and quickly completed when products with different warp densities or different hanging handles are switched, the machine change procedures are greatly reduced, the machine change cost is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: a jacquard weaving method comprises the following steps: step one, designing and assembling; determining the number of actual harness cords; step three, calculating the empty needle ratio; step four, manufacturing a sample card; step five, manufacturing a pattern plate; step six, drafting and reeding;
in the first step, aiming at products with different warp densities, when the jacquard is designed and manufactured, the number of the harness cords is determined according to the highest warp density of the produced fabric;
in the second step, the number of the used harness cords is calculated according to the actual warp density of the fabric to be produced; the total number of the harness silks = the number of harness silks multiplied by each harness number, the number of the harness silks under one vertical needle is equal to the number of pattern cycles, the symmetrical pattern is multiplied by 2, the harness silks hung under one vertical needle are twisted into a harness, and then the number of the harness silks = the number of the vertical needles = the pattern width multiplied by the warp density = the number of cloth warp yarns/number of pattern cycles;
in the third step, the surplus harness cords in the second step are subjected to uniform empty needle treatment, and the proportion of the number of empty needles is calculated as follows: the number n of the harness cords in each hanging is subtracted by the number n' actually used to calculate the number n of the needles which need to be empty 0 Then the number n of empty needles 0 Dividing by the number n of the harness cords, and rounding to obtain the proportion of uniform empty needles; for example: the number of the harness cords in each hanging is 1000, the number of the harness cords in actual use is 800, 200 needles are empty, and n are calculated 0 The least common multiple of 1000, 200 is 5, i.e. 5 needles empty of 1 needle; in actual production, for convenience of operation, the number of the harness cords must be even, so that the number of odd empty needles needs to be doubled, namely 10 needles and 2 empty needles; aiming at different hanging products, the two hanging devices can be combined into one hanging device for use by using the empty needle without changing the hanging number, and the specific method comprises the following steps: if the number of the empty needles is more than half, the odd number and the even number of the original manufactured harness cord are separately marked, the odd number is an area a, the even number is an area b, and the two areas ab are subjected to uniform empty needle treatment; for example: the installation is 2688 needles, one hanging and six sequentially penetrating, each hanging is 42cm, the warp density is 64 pieces/cm, a bath towel product needs to be changed into a machine, each width is 84cm, and the warp density is 28/cm; the original number n of each hanging root is 2688, the density required by the machine is 28/cm, the actually used needle n' is 1176 needles, so that more than half of empty needles can be used;
in the fourth step, according to the ratio obtained in the fourth step, the designed pattern is designed by the artistic designer through the CAD software to manufacture a sample card; the method comprises the following specific steps of manufacturing a sample card: editing a pattern, designing colors by an artistic conception, modifying an artistic conception drawing, establishing an organization, generating a picking file, determining an organization configuration table and a design sample card;
in the fifth step, the sample card manufactured in the fifth step is subjected to card-drawing processing to obtain a card-drawing file; the method comprises the following steps that a specific weaving file format is selected according to the type of a jacquard machine faucet during pattern card processing, and the suffix name of a pattern card file is selected as the file type of 'WB';
in the sixth step, the card file is guided into a jacquard, the jacquard is started, used needles are lifted, empty needles fall down, and lifted healds are drafted and reeded; when drafting is carried out on different hung products, the loops of the area ab need to be lifted respectively by using needles, namely, the area a is lifted by using the needles, the area b falls completely, the area b is lifted by using the needles, and the area a falls completely; when the area a is lifted by the needle, the first, third and fifth hangers are worn, and when the area b is lifted by the needle, the second, fourth and sixth hangers are worn, so that the first and second hangers are threaded by different heddles; when drawing, a drawing is combined and drawn in the area a and the area b, the two hanging woven patterns are different and are combined together to form a finished big drawing, and the effect of hanging three is achieved.
Based on the above, the present invention has the advantages that the present invention introduces the concept of empty needle, and the specific principle is as follows: the condition of the highest warp density in the fabric to be produced is considered in the design and the assembly, and the number of the harness cords is surplus in the manufacturing and the assembly, so that only a part of harness cords needs to be uniformly emptied in the production of a product with low warp density; the method has simple operation and few machine changing procedures, can be suitable for products with different warp densities or products with different hanging handles, can meet the switching between small flower type products and large flower type products without changing the installation, and can effectively improve the production efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A jacquard weaving method comprises the following steps: step one, designing and assembling; determining the number of actual harness cords; step three, calculating the empty needle ratio; step four, manufacturing a sample card; step five, manufacturing a pattern plate; step six, drafting and reeding; the method is characterized in that:
in the first step, aiming at products with different warp densities, when the jacquard is designed and manufactured, the number of the harness cords is determined according to the highest warp density of the produced fabric;
in the second step, the number of the used harness cords is calculated according to the actual warp density of the fabric to be produced;
in the third step, the surplus harness cords in the second step are subjected to uniform empty needle treatment, and the proportion of the number of empty needles is calculated as follows: the number n of the harness cords in each hanging is subtracted by the number n' actually used to calculate the number n of the needles which need to be empty 0 Then the number n of empty needles 0 Dividing by the number n of the harness cords, and rounding to obtain the proportion of uniform empty needles;
in the fourth step, according to the ratio obtained in the fourth step, the designed pattern is designed by the artistic designer through the CAD software to manufacture a sample card;
in the fifth step, the sample card manufactured in the fifth step is subjected to card-drawing processing to obtain a card-drawing file;
and step six, guiding the card file into a jacquard, starting the jacquard, lifting up the used needles, dropping the empty needles, and drafting and reeding the lifted healds.
2. A jacquard weaving method according to claim 1, characterised in that: in the second step, the total number of the harness silks = the number of harness silks multiplied by each harness number, the number of the harness silks under one vertical needle is equal to the number of pattern cycles, the symmetrical pattern is multiplied by 2, the harness silks hung under one vertical needle are twisted into a harness, and then the number of the harness silks = the number of the vertical needles = the pattern width multiplied by the warp density = the number of cloth warp yarns/the number of pattern cycles.
3. A jacquard weaving method according to claim 1, characterised in that: in the third step, in actual production, for convenience of operation, the number of the harness cords must be even, so that the number of the odd empty needles needs to be doubled.
4. A jacquard weaving method according to claim 1, characterised in that: in the third step, aiming at different products to be hung, the two hanging devices can be combined into one hanging device for use by utilizing an empty needle under the condition of not changing the hanging number, and the specific method comprises the following steps: if the number of the empty needles is more than half, the odd number and the even number of the original assembly harness cord are separately marked, the odd number is an area a, the even number is an area b, and the even empty needle treatment is carried out on the area ab.
5. A jacquard weaving method according to claim 1, characterised in that: in the fourth step, the specific steps of manufacturing the sample card are as follows: the method comprises the steps of pattern editing, artistic designing drawing modification, organization establishment, picking file generation, organization configuration table determination and design sample card design.
6. A jacquard weaving method according to claim 1, characterised in that: in the fifth step, the specific weaving file format is selected according to the type of the jacquard head in the card processing, and the suffix name of the card file is selected as the file type of 'WB'.
7. A jacquard weaving method according to claim 1, characterised in that: in the sixth step, when drafting is carried out on different hung products, drafting needs to be carried out on the ab area and the ab area respectively by using needles, namely, the a area is lifted by using the needles, the b area falls completely, then the b area is lifted by using the needles, and the a area falls completely; when the area a is lifted by the needle, the first, third and fifth hangers are worn, and when the area b is lifted by the needle, the second, fourth and sixth hangers are worn, so that the first and second hangers are threaded by different heddles; when drawing, a drawing is combined and drawn in the area a and the area b, the two hanging woven patterns are different and are combined together to form a finished big drawing, and the effect of hanging three is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363712.0A CN115627574A (en) | 2022-11-02 | 2022-11-02 | Jacquard weaving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363712.0A CN115627574A (en) | 2022-11-02 | 2022-11-02 | Jacquard weaving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115627574A true CN115627574A (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211363712.0A Pending CN115627574A (en) | 2022-11-02 | 2022-11-02 | Jacquard weaving method |
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| Country | Link |
|---|---|
| CN (1) | CN115627574A (en) |
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- 2022-11-02 CN CN202211363712.0A patent/CN115627574A/en active Pending
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