CN101831744B - Method for forming warp opening movement - Google Patents
Method for forming warp opening movement Download PDFInfo
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- CN101831744B CN101831744B CN 200910128180 CN200910128180A CN101831744B CN 101831744 B CN101831744 B CN 101831744B CN 200910128180 CN200910128180 CN 200910128180 CN 200910128180 A CN200910128180 A CN 200910128180A CN 101831744 B CN101831744 B CN 101831744B
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- heald
- harness
- warp thread
- heddle
- eye
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
- D03D41/008—Looms for weaving flat yarns
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- Textile Engineering (AREA)
- Looms (AREA)
- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
Abstract
The invention relates to a forming method capable of making the opening movement of a plurality of warps in the longitudinal section of the same fabric on multi-layer woven fabric width inconsistent with one another. The method is implemented by penetrating the plurality of warps in the longitudinal section of the same fabric on the fabric width into two trapezoidal heddles which are arranged in an overlapped way and are provided with independent opening movement, wherein each trapezoidal heddle consists of a plurality of heddle eyes which are distributed at intervals; a slotted heddle eye spacing hole is formed between every two adjacent heddle eyes; the warps passing through the heddle eye of the second heddle pass through the heddle eyes spacing hole of the first heddle, while the warps passing through the heddle eyes spacing hole of the second heddle pass through the heddle eyes of the first heddle; and when the first heddle controls the warps in the heddle eyes thereof to perform opening movement, the second heddle can make the warps in the heddle eyes thereof slide upwards or downwards selectively in the heddle eye spacing holes of the first heddle.
Description
Affiliated technical field
The present invention relates to a kind of formation method of warp opening movement of multi-ply fabrics, especially can make the inconsistent formation method of many warp opening movements in the same fabric longitudinal cross-section of being on the multi-ply fabrics fabric width.
Background technology
Mentioned woven fabric refers to the fabric that is interwoven in the sink-float mode by filling yarn among the present invention.Multi-ply fabrics refers to the integrally-built woven fabric with thickness that many groups weft yarn risen and fallen and interweaves and form by many groups warp thread.Multi-ply fabrics is typically used as the enhancing body of the composite material for weaving with strong mechanical performance, has become one of study hotspot of modern textile technology and new material.Multi-ply fabrics complexity structurally will limit or have influence on the complexity of structure of final composite and the quality of performance.
Why many groups warp thread of multi-ply fabrics can rise and fall to many groups weft yarn when weaving interweaves, be to be controlled by due to the harness motion that warp thread penetrates heald wherein, thereby the structure of heald and harness motion mode have just determined institutional framework and the complexity thereof of multi-ply fabrics.
At present, the structure of used heald is nothing more than there being two kinds: single heddle-eye heddle and multiple-heddle-eye heddle.Single heddle-eye heddle is to only have a harness eye at a heald, usually penetrates and controls a warp thread and carry out harness motion, and this is the mode of being used at most now; The a plurality of harness eyes of multiple-heddle-eye heddle arranged spaced on a heald consist of, can penetrate and control many warp thread and carry out harness motion, but all warp thread that usually penetrate in each harness eye of this root heald just can only be with unified motion mode opening, for example such described in the patent CN1180147C.
Now, no matter be single heddle-eye heddle or multiple-heddle-eye heddle, all have a common feature: a heald just must occupy the longitudinal cross-section of fabric on the fabric width direction; Perhaps, in other words, all warp thread on the same longitudinal cross-section on the fabric width direction, all can only rise and fall to weft yarn with unified harness motion interweaves.So just limited fabric, especially structurally further rationalization of multiply cloth and complicated has affected the arranging density of warp thread and the bulk density of integral fabric in the fabric, makes the performance of fabric and final use be difficult to obtain more deep development.
Summary of the invention
The deficiency that makes all warp thread on the same longitudinal cross-section on the fabric width direction all can only rise and fall and interweave weft yarn with unified harness motion for the harness motion that overcomes existing heald, the invention provides a kind of formation method of warp opening movement of multi-ply fabrics, can make the many warp opening movements that are in the same fabric longitudinal cross-section on the multi-ply fabrics fabric width inconsistent, thereby can make the arranging density of warp thread on the fabric width direction obtain increasing, make multi-ply fabrics have further rationalization, the possibility complicated and performance improves.
The technical solution adopted for the present invention to solve the technical problems is: although also as on the common cloth machine, warp thread penetrates in the heald in the heald frame, formed the harness motion of warp thread by moving up and down of heald frame, but have following feature: will be on the fabric width of multi-ply fabrics be in many warp thread in the same fabric longitudinal cross-section, be superimposed arrangement before and after penetrating but in the relatively independent two trapezoidal healds of its harness motion; Every trapezoidal heald structurally is comprised of a plurality of harness eyes that become range distribution, then is hole between the harness eye of slotted hole shape between per two adjacent harness eyes; The warp thread that penetrates in the harness eye is controlled by the harness motion of this root heald, penetrate the warp thread in the hole between harness eye then can be between harness eye slippage in the slotted hole in hole, not controlled by the harness motion of this root heald; Two superimposed trapezoidal heald modes were before and after many warp thread penetrated, Rankine-Hugoniot relations according to the upper-lower position of multiply cloth on thickness, be superimposed arrangement before and after penetrating successively but in the relatively independent two trapezoidal healds of its harness motion, and meet following rule, the warp thread that passes the harness eye of the second heald passes the hole between the harness eye of the first heald, and the warp thread that passes hole between the harness eye of the second heald passes from the harness eye of the first heald; Two relatively independent states of trapezoidal heald harness motion of the superimposed arrangement in front and back are, when the warp thread in the first heald is controlled its harness eye carried out harness motion, the second heald can make warp thread optionally upwards slippage or the slippage downwards in the hole between the harness eye of the first heald in its harness eye; Upwards make the warp thread in the upper harness eye of warp thread and the first heald in the second heald harness eye during slippage and be combined, make the interior warp thread of the next harness eye of warp thread in the second heald harness eye and the first heald during slippage downwards and be combined.The first heald can be the front heald that refers in two superimposed healds of these front and back, also can be to refer to rear heald.
The invention has the beneficial effects as follows, all warp thread on the same longitudinal cross-section on the fabric width direction can be with skimble-scamble motion mode opening, like this, not only can satisfy the needs of the warp opening movement of the complicated multiply cloth structure of weaving, reach development of new structure multi-ply fabrics and expand the purpose of its product-use, and made things convenient for the operation of complicated multi-ply fabrics in weaving process, also help to increase the fiber volume density of fabric, this is for take this fabric as strengthening the composite material for weaving of body, also will inevitably improve their mechanical property and service life, make it more can adapt to the contour technological use of space flight and aviation.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structure chart of many healds of embodiments of the invention.
Fig. 2 is formation and the constitutional diagram of the heald frame of the embodiment of the invention.
Fig. 3 is the structure chart of the multiply cloth of the embodiment of the invention.
Fig. 4 is the relatively independent state diagram of two trapezoidal heald harness motions of the superimposed arrangement in front and back of the embodiment of the invention.
Fig. 5 is the harness motion rule figure of each heald frame of the embodiment of the invention.
More than 1. heald among the figure; 11,12,13,14. heald frames; 111,112,113,114,115. warp thread that penetrate in the heald of heald frame 11; 121,122,123,124. warp thread that penetrate in the heald of heald frame 12; 131,132,133,134,135. warp thread that penetrate in the heald of heald frame 13; 141,142,143,144. warp thread that penetrate in the heald of heald frame 14; A. harness eye; B. hole between harness eye; C. consist of the edge strip of heald; D. the width of many healds 1; J. the harness eye distance of heald; W. the fabric width direction of fabric; L. the length direction of fabric; H. the thickness direction of fabric; S1. heald frame 11 is with respect to the plain weave open state of the upper/lower positions of heald frame 13; S2. heald frame 11 is with respect to the plain weave open state of the upper position of heald frame 13; S3. heald frame 12 is with respect to the layer and a layer open state that is connected of the upper/lower positions of heald frame 14; S4. heald frame 12 is with respect to the layer and a layer open state that is connected of the upper position of heald frame 14.
The specific embodiment
It is 8 millimeters that present embodiment uses width, and thickness is that 0.8 millimeter 12K carbon fiber prepregs is warp thread and weft yarn.
Fig. 1 has represented many healds 1 of the embodiment of the invention.On the heald structure, become certain distance evenly to arrange 7 flat pattern harness eye a and be cemented in the upper formation of two edge strip c, its profile is trapezoidal, claims that this distance is that harness eye is apart from J, harness eye is designed to 20 millimeters apart from J in the present embodiment, and this also is the heald extended distance of present embodiment when weaving; Then be hole b between the harness eye of slotted hole shape between per two adjacent harness eye a; The width d of many healds 1 is 8 millimeters.
Fig. 2 has represented formation and the combination of the heald frame of the embodiment of the invention.Be assembled into 1 heald frame 11 by many healds 1 shown in 4 chromosomes 1 as the lateral separation take heald width d, heald frame 12,13,14 identical with the constructive method of heald frame 11; Afterwards these 4 heald frames 11,12,13,14 modes with following mutual combination are installed on the loom: heald frame 11,12 is combined in the mode that fabric width becomes to align with the heald on it again, heald frame 13,14 is also combined in the mode that fabric width becomes to align with the heald on it, and then the mode that heald frame 11,12 assembly and heald frame 13,14 assembly are become to be staggered at fabric width with their heald and close installation, the result is shown in the right part among Fig. 2.
Fig. 3 has represented the structure of the multiply cloth of the embodiment of the invention.W represents the fabric width direction of fabric among the figure, and L is the length direction of fabric, and h is the thickness direction of fabric.As can be seen from the figure, a complete organization circulation on the fabric width is to be made of two adjacent longitudinal cross-sections, shown in middle figure and right figure among Fig. 3; And left figure has represented the superimposed effect of fabric longitudinal cross-section, by middle figure and right figure and close and form; So complete organization is arranged in the cocycle of fabric width direction and is just consisted of the view picture fabric.Corresponding to formation and the combination of the heald frame of present embodiment shown in Figure 2, its fabric width is to be made of four such cycle arrangement.The integral multi-layered requirements of weaving process of the embodiment of the invention as can be seen from Figure 3: in same fabric longitudinal cross-section, warp thread is overlapping, and layer links to each other with layer.
The combination of Fig. 2 and Fig. 3 has represented the mode of entrying of the embodiment of the invention.For a fabric longitudinal cross-section on the multi-ply fabrics fabric width, at first, make heald frame 11 and 12 differ each other hole height (shown in the left figure among Fig. 5) between half harness eye, so that entry, heald frame 13 and 14 also differs hole height between half harness eye each other; Then warp thread 111,112,113,114 and 115 is passed with the order from top to bottom among Fig. 2 that Kong Houzai penetrates in each harness eye of heald frame 11 between each harness eye of heald frame 12, warp thread 121,122,123 and 124 penetrates hole between each harness eye that passes again heald frame 11 behind each harness eye of heald frame 12 with the order from top to bottom among Fig. 2, warp thread 121,122,123 and 124 lays respectively between the warp thread 111,112,113,114 and 115, and is in this same fabric longitudinal cross-section with warp thread 111,112,113,114 and 115.For the adjacent another one fabric longitudinal cross-section on the multi-ply fabrics fabric width, with warp thread 131,132,133,134 and 135 pass with the order from top to bottom among Fig. 2 that Kong Houzai penetrates in each harness eye of heald frame 13 between each harness eye of heald frame 14, warp thread 141,142,143 and 144 penetrate hole between each harness eye that passes again heald frame 13 behind each harness eye of heald frame 14 with the order from top to bottom among Fig. 2, warp thread 141,142,143 and 144 lay respectively at warp thread 131,132,133, between 134 and 135, and with warp thread 131,132,133,134 and 135 are in this same fabric longitudinal cross-section.
Fig. 4 has represented two relatively independent states of trapezoidal heald harness motion of the superimposed arrangement in front and back of the embodiment of the invention.When the heald of current heald frame 11 was controlled warp thread 112,113 in its harness eye and carried out harness motion, the heald of rear heald frame 12 can make warp thread 122 optionally upwards slippage or the slippage downwards in the hole between the harness eye of front heald in its harness eye; The left figure of Fig. 4 has represented that the heald of rear heald frame 12 makes the interior warp thread 112 of rear heald harness eye interior warp thread 122 and the upper harness eye of the heald of front heald frame 11 and the state that is combined when making progress slippage; The right figure of Fig. 4 makes the warp thread 113 in the next harness eye of warp thread 122 and the heald of front heald frame 11 in the harness eye of heald of rear heald frame 12 and the state that is combined when having represented the downward slippage of heald of rear heald frame 12.
Fig. 5 has represented each heald frame harness motion rule of the embodiment of the invention.In Fig. 5, for illustrate clear for the purpose of, the heald frame 11,12,13 of the right figure among Fig. 2,14 assembled state have been carried out simple expression.Left figure among Fig. 5 is arranging of heald frame and initial state, is expressed as to have used four heald frames 11,12,13,14, and heald frame 11 and 12 differs the harness eye height each other half, and heald frame 13 and 14 also differs the harness eye height each other half, so that entry.Along with woven continuation, in other words, length direction L along fabric, each heald frame carries out the harness motion of self by the sink-float rule of the warp thread that penetrates in its harness eye, be that heald frame 11,12,13,14 carries out separately harness motion by the warp thread 111,121,131 that penetrates in its harness eye, 141 sink-float rule respectively, in the present embodiment, the sink-float rule of each warp thread as shown in Figure 3, the circulation take two horizontally-arrangeds of the length direction L of fabric as a complete tissue; Correspondingly, the harness motion rule of each heald frame in the circulation of a complete tissue just as shown in Figure 5.The variation of the high and low position of the middle figure of Fig. 5 and the heald frame 11 of right figure and heald frame 13 has just represented opening circulation of the plain weave rule of present embodiment, can find out the opening that the weft yarn that only centers on one deck interweaves; In the middle figure of Fig. 5, heald frame 11 positions are low, and heald frame 13 positions are high, and the warp thread 111 (perhaps 112,113,114,115) that forms heald frame 11 is with respect to the plain weave open state S1 of the upper/lower positions of the warp thread 131 in the heald frame 13 (perhaps 132,133,134,135); In the right figure of Fig. 5, heald frame 11 positions are high, and heald frame 13 positions are low, and the warp thread 111 (perhaps 112,113,114,115) that forms heald frame 11 is with respect to the plain weave open S 2 of the upper position of the warp thread 131 in the heald frame 13 (perhaps 132,133,134,135).The variation of the high and low position of the middle figure of Fig. 5 and the heald frame 12 of right figure and heald frame 14 has just represented that the layer between plain weave of present embodiment is connected an opening circulation of rule with layer, can find out the opening that interweaves around the weft yarn of adjacent two layers; In the middle figure of Fig. 5, heald frame 12 positions are low, and heald frame 14 positions are high, and the warp thread 121 (perhaps 122,123,124) that forms heald frame 12 is with respect to the layer between plain weave and a layer open state S3 who is connected of the upper/lower positions of the warp thread 141 in the heald frame 14 (perhaps 142,143,144); Right figure at Fig. 5, heald frame 12 positions are high, and heald frame 14 positions are low, and the warp thread 121 (perhaps 122,123,124) that forms heald frame 12 is with respect to the layer between plain weave and a layer open state S4 who is connected of the upper position of the warp thread 141 in the heald frame 14 (perhaps 142,143,144).So, two plain weave layers link together with layer up and down.Continue by this, just satisfied the integral multi-layered requirements of weaving process that warp thread in same fabric longitudinal cross-section is overlapping and layer links to each other with layer of Fig. 3.
Claims (5)
1. the formation method of the warp opening movement of a multi-ply fabrics, on the cloth machine, warp thread penetrates in the heald in the heald frame, formed the harness motion of warp thread by moving up and down of heald frame, it is characterized in that: will be on the multi-ply fabrics fabric width be in many warp thread in the same fabric longitudinal cross-section, be superimposed arrangement before and after penetrating but in the relatively independent two trapezoidal healds of its harness motion; Every trapezoidal heald structurally is comprised of a plurality of harness eyes that become range distribution, then is hole between the harness eye of slotted hole shape between per two adjacent harness eyes; The warp thread that penetrates in the harness eye is controlled by the harness motion of this root heald; Penetrate the warp thread in the hole between harness eye then can be between harness eye slippage in the slotted hole in hole, not controlled by the harness motion of this root heald.
2. the formation method of the warp opening movement of multi-ply fabrics according to claim 1, it is characterized in that: two superimposed trapezoidal heald modes were before and after many warp thread penetrated, Rankine-Hugoniot relations according to the upper-lower position of multiply cloth on thickness, be superimposed arrangement before and after penetrating successively but in the relatively independent two trapezoidal healds of its harness motion, and meet following rule, the warp thread that passes the harness eye of the second heald passes the hole between the harness eye of the first heald, and the warp thread that passes hole between the harness eye of the second heald passes from the harness eye of the first heald.
3. according to claim 1 or the formation method of the warp opening movement of multi-ply fabrics claimed in claim 2, it is characterized in that: two relatively independent states of trapezoidal heald harness motion of the superimposed arrangement in front and back are, when the warp thread in the first heald is controlled its harness eye carried out harness motion, the second heald can make warp thread optionally upwards slippage or the slippage downwards in the hole between the harness eye of the first heald in its harness eye; Upwards during slippage, make the interior warp thread of warp thread and the upper harness eye of the first heald in the second heald harness eye and be combined; During slippage downwards, make the interior warp thread of warp thread and the next harness eye of the first heald in the second heald harness eye and be combined.
4. the formation method of the warp opening movement of multi-ply fabrics according to claim 3, it is characterized in that: the first heald is front heald, the second heald is rear heald.
5. the formation method of the warp opening movement of multi-ply fabrics according to claim 3, it is characterized in that: the first heald is rear heald, the second heald is front heald.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910128180 CN101831744B (en) | 2009-03-09 | 2009-03-09 | Method for forming warp opening movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910128180 CN101831744B (en) | 2009-03-09 | 2009-03-09 | Method for forming warp opening movement |
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| Publication Number | Publication Date |
|---|---|
| CN101831744A CN101831744A (en) | 2010-09-15 |
| CN101831744B true CN101831744B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910128180 Expired - Fee Related CN101831744B (en) | 2009-03-09 | 2009-03-09 | Method for forming warp opening movement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3458633B1 (en) * | 2016-05-16 | 2022-12-28 | Georgia Tech Research Corporation | Systems and methods for continuous fabrication of woven composite materials |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297074A (en) * | 2000-12-25 | 2001-05-30 | 天津工业大学 | Two-layer fabric with connecting yarns between layers and its weaving method and equipment |
| CN1297070A (en) * | 2000-12-25 | 2001-05-30 | 天津工业大学 | Heddles |
| CN1394992A (en) * | 2002-07-02 | 2003-02-05 | 王光华 | Band core weaving method of solid core apron band |
| CN1598107A (en) * | 2003-09-15 | 2005-03-23 | 格罗兹-贝克特公司 | Heald with reduced play |
| CN1751147A (en) * | 2003-03-03 | 2006-03-22 | 伯杰两合控股有限公司 | Method for producing a woven and a heddle particularly for use thereby |
| CN1982517A (en) * | 2005-12-08 | 2007-06-20 | 格罗兹-贝克特公司 | Heddle for band-shaped warp threads |
| CN201071421Y (en) * | 2007-07-06 | 2008-06-11 | 乐纺企业股份有限公司 | Heddle of loom |
-
2009
- 2009-03-09 CN CN 200910128180 patent/CN101831744B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297074A (en) * | 2000-12-25 | 2001-05-30 | 天津工业大学 | Two-layer fabric with connecting yarns between layers and its weaving method and equipment |
| CN1297070A (en) * | 2000-12-25 | 2001-05-30 | 天津工业大学 | Heddles |
| CN1394992A (en) * | 2002-07-02 | 2003-02-05 | 王光华 | Band core weaving method of solid core apron band |
| CN1751147A (en) * | 2003-03-03 | 2006-03-22 | 伯杰两合控股有限公司 | Method for producing a woven and a heddle particularly for use thereby |
| CN1598107A (en) * | 2003-09-15 | 2005-03-23 | 格罗兹-贝克特公司 | Heald with reduced play |
| CN1982517A (en) * | 2005-12-08 | 2007-06-20 | 格罗兹-贝克特公司 | Heddle for band-shaped warp threads |
| CN201071421Y (en) * | 2007-07-06 | 2008-06-11 | 乐纺企业股份有限公司 | Heddle of loom |
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| CN101831744A (en) | 2010-09-15 |
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