CN101666004A - Fabric used for filtering and paper making - Google Patents
Fabric used for filtering and paper making Download PDFInfo
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- CN101666004A CN101666004A CN 200910192092 CN200910192092A CN101666004A CN 101666004 A CN101666004 A CN 101666004A CN 200910192092 CN200910192092 CN 200910192092 CN 200910192092 A CN200910192092 A CN 200910192092A CN 101666004 A CN101666004 A CN 101666004A
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Abstract
The invention discloses a fabric used for filtering and paper making, the structure of which comprises a group of surface warps, a group of surface wefts, a group of bottom warps, a group of bottom wefts and a group of three-dimensional compound yarns, wherein two adjacent three-dimensional compound yarns form a pair and are interleaved with a forming surface layer and a contact bottom layer; eachpair consists of a first three-dimensional compound yarn and a second three-dimensional compound yarn; each three-dimensional compound yarn comprises an interleaving part of the forming surface layerand an interleaving part of the contact bottom layer, wherein the interleaving part of the forming surface layer is one part of a fiber support; in a basic circulation organization, the three-dimensional compound yarns are interleaved with the yarns of the contact bottom layer, are positioned below the yarns of the forming surface layer and penetrate the part below at least one yarn of the contact bottom layer; every two adjacent three-dimensional compound yarns form a pair; the first three-dimensional compound yarn and the second three-dimensional compound yarn of each pair are intersected when transitioning from the interleaving part of the forming surface layer to the interleaving part of the contact bottom layer; between two adjacent intersection positions of two adjacent three-dimensional compound yarns, the interleaving part of the forming surface layer of one three-dimensional compound yarn is opposite to the interleaving part of the contact bottom layer of the other three-dimensional compound yarn at up and down positions; in the direction of MD in a basic circulation organization, the yarns of the forming surface layer form an interleaving path of first number on the forming surface layer, the yarns of the contact bottom layer form an interleaving path of second number on the contact bottom layer; and the ratio between the first number and the second number is 3 to 5.
Description
Invention field
The present invention relates to filter and papermaker's fabric.
Background technology
The application of multiply cloth in filtration and paper industry is very general, for example in paper industry, paper pulp is become paper by a series of equipment and operation, at first will be forming wet paper web behind the paper pulp filtering, and then enter pressed zone by transfer device, wet web is by after the pressed zone, be transported to dry section, further remove moisture in the paper web at dry section, with processing and the packing instructions that reach later process, the present invention paper industry related be to form the wet applied filtration forming fabric of paper web after paper pulp filtering, forming net just.
In this patent is described, adopt textile industry and the general versatility term of paper industry, be explained as follows:
MD: the traffic direction of paper machine or filter also is the traffic direction of fabric on the paper machine.
CMD: the traffic direction of paper machine or filter vertical laterally, also be the vertical direction of the traffic direction of fabric on machine.
Warp: on paper machine or filter traffic direction, promptly the MD direction constitutes the yarn of fabric vertical structure.
Parallel: on vertical paper machine or filter traffic direction, promptly the CMD direction constitutes the yarn of fabric transversary.
The shaping surface layer: the fabric on paper machine or filter can be sandwich construction, contacts with filter medium, and fiber is played the surface layer of direct supporting role.
Contact bottom layer: the fabric on paper machine or filter can be sandwich construction, the bottom that contacts with the dewatering elements of the wet end of machine.
Interleaved path: in the braiding process of woven, warp and parallel interweave by specific braiding pattern, and the rule that interweaves of every warp or every parallel is identical and form independent paths separately, is referred to as interleaved path in the description of this patent.And in multiply cloth, an interleaved path can be formed by solid wire, also can be formed jointly by many equidirectional adjacent lines.
In this specification, comprise that shaping surface layer warp is called for short the face warp; Shaping surface layer parallel is called for short face picks; Warp at the bottom of the contact bottom layer warp abbreviation face; The contact bottom layer parallel is called for short back weft.
Riser: when warp intersects with parallel, the crosspoint that warp forms above parallel.
The latitude floating-point: when warp intersects with parallel, the crosspoint that warp forms below parallel.
Fly number: in the textile industry, the dislocation quantity of identical adjoining two yarns of the crooked rule of fabric, equidirectional successively dislocation.
In the paper process, forming net has tiny mesh, thin thickness and to produce as far as possible little wire mark on the surface of paper be very important, especially for the paper that has high printing quality to require, eliminate the necessary especially requirement of wire mark, the general tiny and uniform forming web of shaping surface layer mesh that uses, improve the enabling capabilities of shaping surface layer to paper pulp fiber, to have strainability preferably simultaneously, just fabric has high retention and water filtering performance is fast arranged filter medium, and the fabric with such performance can be used for the newsprint of manufacturing paper with pulp, electro-photographic paper, no carbon paper, printing paper, art paper, superficial layer of boxboard or the like.
Fabric has thin thickness not only can improve dewatering, also the energy consumption that reduces paper machine is had positive effect.The fine mesh of fabric and thin thickness need the diameter of the warp of fabric and parallel less usually, and this just causes bad influence to the ABRASION RESISTANCE of contact bottom layer, simultaneously because of the tiny intensity of fabric on the MD direction that also reduced of warp.
In order to address the above problem the performance that improves fabric, designed multiply cloth, make the shaping surface layer of fabric have tiny mesh, thin thickness, be beneficial to the shaping and the drying of paper, the diameter that improves the contact bottom layer parallel is to improve the ABRASION RESISTANCE of fabric, for example designed multiply cloth, use 2 groups of paper profiled surface CMD direction yarns, 1 group of machine side surface CMD direction yarn and 1 group of MD yarn to form than the shaping surface layer of fine mesh and durable machine side surface layer, it is commonly called two-layer fabric; Also have and use 2 groups of paper profiled surface yarns, 2 groups of machine side surface yarns and 1 group of stitching yarns to form than the shaping surface layer of fine mesh and durable machine side surface layer; It is commonly called treble cloths, 97182244.2,97182245.X, 01804768.8,02141980.9,02800379.9,200510076510.8,200710100644.8,200710101972,200710162355 and the U.S. 5881764,5967195,6123116,6145550,6745797,6837277,6896009,6959737,7059357,7243687,2004082465,200701577987,03810199 disclosed multiply cloth, these fabrics provide the mesh of very tiny shaping surface layer, some fabric further provides surface layer MD yarn the quantity ratio inequality with bottom MD yarn, yet filters and the popularity of papermaking product and diversity still need the industry that the product of a large amount of different structure is provided.
Therefore, diversified product can provide more selection for the deficiency between the existing product, best selection sometimes or even in some special environment for use, for example application of paddle board production process.
Summary of the invention
Filtration involved in the present invention and papermaker's fabric, comprise one group of face warp, one group of face picks, warp at the bottom of one group, one group of back weft, one group of three-dimensional compound yarn, the per two adjacent formation of three-dimensional compound yarn are a pair of to interweave with shaping surface layer and contact bottom layer, and every pair comprises first three-dimensional compound yarn and second three-dimensional compound yarn; Every three-dimensional compound yarn comprises that shaping surface layer part and the contact bottom layer part that interweaves that interweaves forms, the interweave part of part formation fiber support of this shaping surface layer; In a basic loop organization, three-dimensional compound yarn and contact bottom layer yarns interwoven are positioned at shaping surface layer yarn below and pass at least one contact bottom layer yarn downside; Per two adjacent three-dimensional compound yarn form a pair of, every pair first three-dimensional compound yarn and second three-dimensional compound yarn are intersected when contact bottom layer interweaves the part transition in the shaping surface layer part that interweaves, between two adjacent crossover locations of two adjacent three-dimensional compound yarn, wherein the interweave part formation of part and the contact bottom layer of another root three-dimensional compound yarn that interweaves of the shaping surface layer of a three-dimensional compound yarn is relative up and down; On the MD direction in a basic loop organization, shaping surface layer yarn forms the interleaved path of first quantity at the shaping surface layer, and the contact bottom layer yarn forms the interleaved path of second quantity in contact bottom layer, and the ratio of first quantity and second quantity is 3 to 5;
Face constitutes the shaping surface layer of fabric through the shaping surface layer of, face picks and the three-dimensional compound yarn part that interweaves; Face through with face picks and three-dimensional compound yarn with on plain weave or one/mode under two interweaves.
A pair of three-dimensional compound yarn and face picks and the back weft shaping surface layer that the forms part that interweaves that interweaves, two adjacent faces through between or the both sides of a face warp; Its contact bottom layer part that interweaves, two adjacent ends through between or be positioned at the both sides of same foundation warp.
Adopting bottom in a basic loop organization is 10 comprehensive or 15 comprehensive weaving structures, and every foundation is through identical with the interleaved order mode of back weft, and the adjacent end is through the back weft of the identical radical that misplaces each other along identical paper machine operation direction.
The first adjacent three-dimensional compound yarn and second three-dimensional compound yarn, can change woven about the order; Interweave part and back weft of the contact bottom layer of every three-dimensional compound yarn interweaves and forms contact bottom layer latitude floating-point and the adjacent end forms the paired appearance adjacent one another are of contact bottom layer latitude floating-point through interweaving with back weft; Every foundation forms contact bottom layer latitude floating-point through interweaving with back weft, can occur separately, and also can interweave with the contact bottom layer of adjacent the three-dimensional compound yarn part or the end occur in pairs through adjacent one another are with the interweave latitude floating-point that forms of back weft.
Face picks is 2 to 1 or 3 to 1 or 3 to 2 with the ratio of the quantity of back weft.Back weft has second diameter through having first diameter at the end, and face is through having the 3rd diameter, and described first diameter and second diameter ratio are between 1 to 1.13 to 1 to 2.36, and described the 3rd diameter and first diameter ratio are between 1 to 1 to 1 to 1.25.
Description of drawings
Fig. 1 is the vertical view of the surface layer of fabric of the present invention;
Fig. 2 is the vertical view of the bottom of embodiment one;
Fig. 3 A-Fig. 3 C is the cutaway view of the MD direction of fabric illustrated in figures 1 and 2;
Fig. 4 A-Fig. 4 C is the cutaway view of the MD direction of the second embodiment of the present invention;
Fig. 5 A-Fig. 5 C is the cutaway view of the MD direction of the third embodiment of the present invention;
Fig. 6 A-Fig. 6 E is the cutaway view of the MD direction of the fourth embodiment of the present invention;
Fig. 7 is the vertical view of the surface layer of the fifth embodiment of the present invention;
Fig. 8 is the vertical view of the surface layer of the sixth embodiment of the present invention;
Fig. 9 A-Fig. 9 B is the cutaway view of the MD direction of the sixth embodiment of the present invention;
Figure 10 A-Figure 10 B is the cutaway view of the MD direction of the seventh embodiment of the present invention;
The specific embodiment
Detailed specific description is made to the present invention with reference to the accompanying drawings in the below.
Identical identification number is represented same yarn or parts in the accompanying drawing, is easy-to-read, and the structure of embodiment is amplified.
First embodiment:
A kind of filtration and papermaking fabric in Fig. 1 and Fig. 2, have been shown, shown in the figure is a basic loop organization of this fabric of papermaking, the loop organization of each repetition has 4 faces through 121-124,10 foundation are through 101-110,4 three-dimensional compound yarn 141-144,20 face picks 1151-1170 and 10 foundation latitude 151-160, as can be seen from Figure 1, the shaping surface layer of papermaking fabric, the face warp of the loop organization of each repetition and three-dimensional compound yarn become the paper layer interweave the part be interweaved together in the plain weave mode with face picks, for example, face picks 1151 passes face through 121,124, three-dimensional compound yarn 141, face picks 122 is passed in 142 top, 123 below is passed two three-dimensional compound yarn 143 simultaneously, between 144, form a circulation, and and the like; Adjacent face picks 1152 pass face through 122,123, the top of three-dimensional compound yarn 143,144, pass the below of face picks 121,124, pass simultaneously between two three-dimensional compound yarn 141,142, form a circulation, and and the like.
Fig. 2 has shown the structure of the contact bottom layer of present embodiment, and the loop organization of each repetition comprises 10 foundation through 101-110 and 10 foundation latitude 151-160, the end through with back weft with on four/once the number that flies is that 2 form twill interweaves.For example the below of back weft 155,160 is passed at the end 101, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like; The below of back weft 152,157 is passed at the adjacent end 102, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like.And the quantity of face picks is 2 to 1 with the ratio of the quantity of back weft; On the MD direction, face is through forming 4 interleaved path, and three-dimensional compound yarn is formed 2 interleaved path to 141 and 142,143 and 144 the surface layer part that interweaves, and the interleaved path quantity of surface layer is 3 to 5 with the ratio of the quantity of the interleaved path of bottom.
See figures.1.and.2, on the MD direction, 4 MD three-dimensional compound yarn of the shaping surface layer of present embodiment, first three-dimensional compound yarn 141,143 wherein, second three-dimensional compound yarn 142,144, and adjacent two is a pair of, and promptly first three-dimensional compound yarn 141 and second three-dimensional compound yarn 142 are a pair of, by that analogy.The shaping surface layer that the three-dimensional compound yarn that interweaves with face picks and back weft the is right part that interweaves, two adjacent faces through between; Its contact bottom layer part that interweaves is positioned at a foundation through both sides, the shaping surface layer of three-dimensional compound yarn 141,142 part that interweaves for example, at two adjacent faces between 122,123; The contact bottom layer of three-dimensional compound yarn 141,142 part that interweaves is positioned at the both sides at the end 105; The contact bottom layer of three-dimensional compound yarn 141,142 part that interweaves in a further embodiment is between the end 104 and 105.The first adjacent three-dimensional compound yarn and second three-dimensional compound yarn, can change woven about the order.
By shown in Figure 2, the interweave latitude floating-point paired appearance adjacent one another are of the latitude floating-point that forms and the end 105 and back weft 153,158 formation of three-dimensional compound yarn 141,142 and back weft 153,158, the latitude floating-point paired appearance adjacent one another are that the latitude floating-point that forms and the end 110 and back weft 153,158 form that interweaves of three-dimensional compound yarn 143,144 and back weft 153,158, other the end through and back weft interweave the latitude floating-point that forms then with independent form appearance.
Fig. 3 A--Fig. 3 C is the cutaway view of the MD direction of present embodiment; The relative position and the corresponding relation that have shown face picks, back weft, and face warp, end warp and three-dimensional compound yarn are passed the path of face picks and back weft, for example three-dimensional compound yarn 141 is passed the top of face picks 1152,1154,1156,1158,1160 and the below of lap latitude is passed above the below and all the other back wefts of back weft 158 simultaneously, form a circulation, and the rest may be inferred; Three-dimensional compound yarn 142 is passed the top of face picks 1162,1164,1166,1168,1170 and the below of lap latitude is passed above the below and all the other back wefts of back weft 153 simultaneously, form a circulation, and the rest may be inferred.
Shown in Fig. 1, Fig. 2 and Fig. 3 A--Fig. 3 C, the part that interweaves of the contact bottom layer yarn of three-dimensional compound yarn is positioned at into paper layer yarn below and passes a foundation latitude downside; First three-dimensional compound yarn is intersected when contact bottom layer interweaves the part transition in the part that interweaves from the shaping surface layer with second three-dimensional compound yarn.Between 2 adjacent crosspoints of first three-dimensional compound yarn and second three-dimensional compound yarn, wherein the part that interweaves of the contact bottom layer of interweave part and another root three-dimensional compound yarn of the shaping surface layer of a three-dimensional compound yarn forms relative up and down.For example first three-dimensional compound yarn 141 is intersected at the part downside 1151,1161 when contact bottom layer interweaves the part transition that interweaves from the shaping surface layer with second three-dimensional compound yarn 142, between these 2 adjacent crosspoints, first three-dimensional compound yarn 141 interweaves partly with the shaping surface layer of second three-dimensional compound yarn 142 and contact bottom layer interweaves, and part forms relative up and down.
Second embodiment:
Provided the cutaway view of second embodiment of the present invention filtration and papermaking fabric by Fig. 4 A--Fig. 4 C.Present embodiment has different contact bottom layer weaving on the texture with embodiment illustrated in fig. 2.Shown in the figure is the partial sectional view of the MD direction of present embodiment; Its 3 positions of analysing and observe are identical with 3 positions of analysing and observe of first embodiment shown in Figure 3.As can be seen, described fabric has one group of face warp from Fig. 4 A--Fig. 4 C, warp at the bottom of a group, one group of three-dimensional compound yarn, one group of face picks, one group of back weft, number in the figure face be through 221, the end 201,202, three-dimensional compound yarn 241,242, face picks 2151-2170, back weft 251-260.The end through with back weft with on six/once/two on/once form twill interweaves.For example the below of back weft 257,260 is passed at the end 201, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like; The below of back weft 253,260 is passed at the adjacent end 202, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like.
The relative position and the corresponding relation that have shown face picks, back weft at Fig. 4 A--Fig. 4 C, and face warp, end warp and three-dimensional compound yarn are passed the path of face picks and back weft, for example three-dimensional compound yarn 241 is passed the top of face picks 2159,2161,2163,2165,2167 and the below of lap latitude is passed above the below and all the other back wefts of back weft 253 simultaneously, form a circulation, and the rest may be inferred; Three-dimensional compound yarn 242 is passed the top of face picks 2151,2153,2155,2157,2169 and the below of lap latitude is passed above the below and all the other back wefts of back weft 256 simultaneously, form a circulation, and the rest may be inferred.
The surface layer structure of present embodiment, the interleaving mode of face warp, three-dimensional compound yarn, face picks, relative position or the like are identical with first embodiment, the ratio of the quantity of face picks and the quantity of back weft, identical at ratio of the interleaved path quantity of MD direction upper layer and the quantity of the interleaved path of bottom or the like with first embodiment, give unnecessary details no longer one by one at this.
The 3rd embodiment:
Provided the cutaway view of third embodiment of the present invention filtration and papermaking fabric by Fig. 5 A--Fig. 5 C.Present embodiment has different contact bottom layer weaving on the texture with embodiment illustrated in fig. 2.Shown in the figure is the partial sectional view of the MD direction of present embodiment; Its 3 positions of analysing and observe are identical with 3 positions of analysing and observe of first embodiment shown in Figure 3.As can be seen, described fabric has one group of face warp from Fig. 5 A--Fig. 5 C, warp at the bottom of a group, one group of three-dimensional compound yarn, one group of face picks, one group of back weft, number in the figure face be through 321, the end 301,302, three-dimensional compound yarn 341,342, face picks 3151-3170, back weft 351-360.The end through with back weft with on five/once/three on/once form twill interweaves.For example the below of back weft 356,360 is passed at the end 301, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like; The below of back weft 353,359 is passed at the adjacent end 302, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like.In a further embodiment, the end through with back weft with on five/once/two on/once/five on/once/four on/once mode twill interweaves; Perhaps the end through with back weft with on six/once/three on/once/four on/once/three on/once mode twill interweaves, gives unnecessary details no longer one by one at this.
The relative position and the corresponding relation that have shown face picks, back weft at Fig. 5 A--Fig. 5 C, and face warp, end warp and three-dimensional compound yarn are passed the path of face picks and back weft, for example three-dimensional compound yarn 341 is passed the top of face picks 3159,3161,3163,3165,3167 and the below of lap latitude is passed above the below and all the other back wefts of back weft 352 simultaneously, form a circulation, and the rest may be inferred; Three-dimensional compound yarn 342 is passed the top of face picks 3151,3153,3155,3157,3169 and the below of lap latitude is passed above the below and all the other back wefts of back weft 356 simultaneously, form a circulation, and the rest may be inferred.
The surface layer structure of present embodiment, the interleaving mode of face warp, three-dimensional compound yarn, face picks, relative position or the like are identical with first embodiment, the ratio of the quantity of face picks and the quantity of back weft, identical at ratio of the interleaved path quantity of MD direction upper layer and the quantity of the interleaved path of bottom or the like with first embodiment, give unnecessary details no longer one by one at this.
The 4th embodiment:
Provided the cutaway view of fourth embodiment of the present invention filtration and papermaking fabric by Fig. 6 A--Fig. 6 E.Present embodiment is included in to weave and can adopts on the texture and the identical contact bottom layer of Fig. 4 A--Fig. 4 C illustrated embodiment.Shown in the figure is the partial sectional view of the MD direction of present embodiment; From Fig. 6 A--Fig. 6 E as can be seen, described fabric has one group of face warp, warp at the bottom of one group, one group of three-dimensional compound yarn, one group of face picks, one group of back weft, the number in the figure face is through 421,422, the end 401,402,403,404, three-dimensional compound yarn 441,442, face picks 4151-4170, back weft 451-460.
The relative position and the corresponding relation that have shown face picks, back weft at Fig. 6 A--Fig. 6 E, and face warp, end warp and three-dimensional compound yarn are passed the path of face picks and back weft, for example three-dimensional compound yarn 441 is passed the top of face picks 4159,4161,4163,4165,4167 and the below of lap latitude is passed above the below and all the other back wefts of back weft 453 simultaneously, form a circulation, and the rest may be inferred; Three-dimensional compound yarn 442 is passed the top of face picks 4152,4154,4156,4158,4168,4170 and the below of lap latitude is passed above the below and all the other back wefts of back weft 456 simultaneously, form a circulation, and the rest may be inferred.
Different with the foregoing description is first three-dimensional compound yarn and second three-dimensional compound yarn and wherein adjacent two interleaved path of a common composition of face warp of present embodiment, for example 441, two interleaved path of 442 and 422 common compositions, the surface layer of present embodiment still is a plain weave structure, end warp, three-dimensional compound yarn, the interleaving mode of back weft, relative position or the like is identical with second embodiment, the ratio of the quantity of face picks and the quantity of back weft, identical at ratio of the interleaved path quantity of MD direction upper layer and the quantity of the interleaved path of bottom or the like with first embodiment, give unnecessary details no longer one by one at this.
The 5th embodiment:
Provided the vertical view of the surface layer of fifth embodiment of the present invention filtration and papermaking fabric by Fig. 7.Present embodiment is included in to weave on the texture and can adopts contact bottom layer same as the previously described embodiments.Shown in the figure is the vertical view of the surface layer of present embodiment; Same as the previously described embodiments, present embodiment has one group of face warp, warp at the bottom of a group, and one group of three-dimensional compound yarn, one group of face picks, one group of back weft, number in the figure face be through 511,512,513, face picks 5151-5170, three-dimensional compound yarn 541-546.
As can be seen from Figure 7, the ratio that the face warp of present embodiment and three-dimensional compound yarn are right is 1 to 1, other fabric, the interleaving mode of end warp, three-dimensional compound yarn, back weft, relative position or the like are identical with first embodiment, the ratio of the quantity of face picks and the quantity of back weft, identical at ratio of the interleaved path quantity of MD direction upper layer and the quantity of the interleaved path of bottom or the like with first embodiment, give unnecessary details no longer one by one at this.
The 6th embodiment:
The surface layer vertical view and the cutaway view of sixth embodiment of the present invention fabric have been provided by Fig. 8 and Fig. 9 A--Fig. 9 B.The loop organization of each repetition comprises one group of face warp, warp at the bottom of a group, and one group of three-dimensional compound yarn, one group of face picks, one group of back weft, number in the figure face be through 621-626, the end 601, three-dimensional compound yarn 641-646, face picks 6151-6162, back weft 651-665.The bottom of present embodiment is 15 to combine weaving structures, the end through with back weft with four on/once form twill interweaves.For example the below of back weft 655,660,665 is passed at the end 601, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like.
By Fig. 8 and Fig. 9 A--Fig. 9 B as can be seen, face picks with on two/once twill mode interweaves with face warp and three-dimensional compound yarn, for example face picks 6151 passes face and passes the top of its lap warp and three-dimensional compound yarn simultaneously through 621,623,625 below, forms a circulation also by that analogy; Adjacent face picks 6152 passes face and passes the top of its lap warp and three-dimensional compound yarn simultaneously through 622,624,626 below, forms a circulation also by that analogy; Adjacent face picks 6153 passes face through 621,622,623,624,625,626 top, passes the below of three-dimensional compound yarn 642,643,645 and passes 641,644,646 top simultaneously, forms a circulation also by that analogy.
Fig. 9 A--Fig. 9 B is the cutaway view of the MD direction of present embodiment; The relative position and the corresponding relation that have shown face picks, back weft, and face warp, end warp and three-dimensional compound yarn are passed the path of face picks and back weft, for example three-dimensional compound yarn 641 is passed the top of face picks 6156,6159,6171,6174,6177 and the below of lap latitude is passed above the below and all the other back wefts of back weft 659 simultaneously, form a circulation, and the rest may be inferred; Three-dimensional compound yarn 642 is passed the top of face picks 6153,6162,6165,6168,6180 and the below of lap latitude is passed above the below and all the other back wefts of back weft 654,664 simultaneously, form a circulation, and the rest may be inferred.And the quantity of face picks is 2 to 1 with the ratio of the quantity of back weft; On the MD direction, face is through forming 6 interleaved path, and three-dimensional compound yarn is formed 3 interleaved path to 641 and 642,643 and 644,645 and 646 the surface layer part that interweaves, and the interleaved path quantity of surface layer is 3 to 5 with the ratio of the quantity of the interleaved path of bottom.
The 7th embodiment:
Provided the cutaway view of seventh embodiment of the present invention filtration and papermaking fabric by Figure 10 A--Figure 10 B.Present embodiment has different contact bottom layer with Fig. 9 A--Fig. 9 B illustrated embodiment weaving on the texture.Shown in the figure is the partial sectional view of the MD direction of present embodiment; As can be seen, described fabric has one group of face warp from Figure 10 A--Figure 10 B, warp at the bottom of a group, one group of three-dimensional compound yarn, one group of face picks, one group of back weft, number in the figure face be through 721, the end 701, three-dimensional compound yarn 741,742, face picks 7151-7180, back weft 751-765.The bottom of present embodiment is 15 to combine weaving structures, the end through with back weft with three on/once/three on/once/three on/once/two on/once form twill interweaves.For example the below of back weft 754,758,762,765 is passed at the end 701, passes the top of all the other back wefts simultaneously, forms a circulation, and and the like.In a further embodiment, the end through with back weft with on five/once/one on/once/four on/once/one on/once mode twill interweaves; Perhaps the end through with back weft with on four/once/two on/once/three on/once/two on/once mode twill interweaves, gives unnecessary details no longer one by one at this.
The relative position and the corresponding relation that have shown face picks, back weft at Figure 10 A--Figure 10 B, and face warp, end warp and three-dimensional compound yarn are passed the path of face picks and back weft, for example three-dimensional compound yarn 741 is passed the top of face picks 7153,7162,7165,7177,7180 and the below of lap latitude is passed above the below and all the other back wefts of back weft 754,761 simultaneously, form a circulation, and the rest may be inferred; Three-dimensional compound yarn 742 is passed the top of face picks 7156,7159,7168,7171,7174 and the below of lap latitude is passed above the below and all the other back wefts of back weft 757,765 simultaneously, form a circulation, and the rest may be inferred.
The surface layer structure of present embodiment, the interleaving mode of face warp, three-dimensional compound yarn, face picks, relative position or the like are identical with the 6th embodiment, the ratio of the quantity of face picks and the quantity of back weft, identical at ratio of the interleaved path quantity of MD direction upper layer and the quantity of the interleaved path of bottom or the like with first embodiment, simultaneously in the foregoing description, for example the end of the 7th embodiment, form contact bottom layer latitude floating-point through interweaving with back weft, the latitude floating-point paired appearance adjacent one another are that part and back weft interweave and form that interweaves of the contact bottom layer of some and adjacent three-dimensional compound yarn; Some and the adjacent end, occur in pairs through adjacent one another are with the interweave latitude floating-point that forms of back weft, give unnecessary details no longer one by one at this.
In the foregoing description, the quantity of face picks is 2 to 1 with the ratio of the quantity of back weft, and industry engineers and technicians know aforementioned proportion is adjusted into 3 to 1 or 3 to 2, are the proportioning modes that realizes easily and generally adopt, and give unnecessary details no longer one by one at this.
Back weft has second diameter through having first diameter at the end of the foregoing description, and face is through having the 3rd diameter, and described first diameter and second diameter ratio are between 1 to 1.13 to 1 to 2.36, and described the 3rd diameter and first diameter ratio are between 1 to 1 to 1 to 1.25.For example the end is 0.20mm through diameter, and the back weft diameter is 0.25mm～0.45mm, and face is 0.17mm through diameter, and the face picks diameter is 0.18mm, and the three-dimensional compound yarn diameter is 0.17mm, and the thread density of CMD direction is 56/cm～72 piece/cm.
In filtration of the present invention and papermaking fabric structure, selecting for use of yarn is according to filtering technique and filter plant, paper technology and paper making equipment the requirement of fabric to be determined, the cross section that for example can select monofilament, multifilament, twisting multifilament, yarn for use can be circle, deltiod, ellipse or the like, the material of yarn can be polyester, nylon, polypropylene, aromatic polyamides, is normally used polyester of the industry and nylon and use maximum.
The foregoing description has illustrated the present invention in illustrated mode, but the foregoing description that illustrates with diagramatic way is not a limitation of the present invention.The present invention is defined by the claims.
Claims (10)
1. one kind is filtered and papermaker's fabric, its structure comprises: one group of face warp, one group of face picks, warp at the bottom of one group, one group of back weft, one group of three-dimensional compound yarn is characterized in that: described three-dimensional compound yarn, per two adjacent formation are a pair of to interweave with shaping surface layer and contact bottom layer, and every pair comprises first three-dimensional compound yarn and second three-dimensional compound yarn; Every three-dimensional compound yarn comprises that shaping surface layer part and the contact bottom layer part that interweaves that interweaves forms, the interweave part of part formation fiber support of this shaping surface layer;
Described filtration and papermaker's fabric are made of the basic loop organization of structure unanimity, and in a basic loop organization, three-dimensional compound yarn and contact bottom layer yarns interwoven are positioned at shaping surface layer yarn below and pass the downside of at least one foundation latitude;
Described three-dimensional compound yarn, per two adjacent formation are a pair of, every pair first three-dimensional compound yarn and second three-dimensional compound yarn are intersected when contact bottom layer interweaves the part transition in the shaping surface layer part that interweaves, between two adjacent crossover locations of two adjacent three-dimensional compound yarn, wherein a three-dimensional compound yarn is relative up and down with the part formation that interweaves of the contact bottom layer yarn of another root three-dimensional compound yarn with interweaving partly of shaping surface layer yarn;
On the MD direction in a basic loop organization, interweave part and face through forming the interleaved path of first quantity at the shaping surface layer of the three-dimensional compound yarn of shaping surface layer, interweave part and the end through forming the interleaved path of second quantity in the contact bottom layer of the three-dimensional compound yarn of contact bottom layer, and the ratio of first quantity and second quantity is 3 to 5;
Face is through the shaping surface layer of, face picks and the three-dimensional compound yarn part that interweaves, and constitutes to filter and the shaping surface layer of papermaker's fabric.
2. fabric according to claim 1 is characterized in that: the shaping surface layer of described warp and three-dimensional compound yarn interweave part and face picks with on plain weave or one/mode under two interweaves.
3. fabric according to claim 1 is characterized in that: described a pair of three-dimensional compound yarn and face picks and the back weft shaping surface layer that the forms part that interweaves that interweaves, two adjacent faces through between or the both sides of a face warp; Its contact bottom layer part that interweaves, two adjacent ends through between or be positioned at the both sides of same foundation warp.
4. fabric according to claim 1 is characterized in that: in a basic loop organization, bottom is 10 comprehensive weaving structures, and the sequential system of the end through passing back weft is: continue to pass through four top, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through five top, pass one below again, pass three top again, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through the top of six roots of sensation back weft, pass one below again, pass two top again, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through the top of five foundation latitudes, pass one below again, pass two top again, pass one below again, pass continuous five top again, pass one below again, pass four top again, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through the top of six roots of sensation back weft, pass one below again, pass three top again, pass one below again, pass continuous four top again, pass one below again, pass three top again, pass one below again.
5. fabric according to claim 1 is characterized in that: in a basic loop organization, bottom is 15 comprehensive weaving structures, and the sequential system of the end through passing back weft is: continue to pass through four top, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through the top of three foundation latitudes, pass one below again, pass three top again, pass one below again, pass continuous three top again, pass one below again, pass two top again, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through the top of five foundation latitudes, pass one below again, pass one top again, pass one below again, pass continuous four top again, pass one below again, pass one top again, pass one below again; The sequential system of the end through passing back weft also can be: continue to pass through the top of four foundation latitudes, pass one below again, pass two top again, pass one below again, pass continuous three top again, pass one below again, pass two top again, pass one below again.
6. fabric according to claim 1, it is characterized in that: first three-dimensional compound yarn and second three-dimensional compound yarn adjacent on the MD direction are formed an interleaved path jointly, perhaps and a wherein adjacent face form two interleaved path through common, and can change woven about order.
7. according to claim 5 and 6 described filtration and papermaker's fabrics, it is characterized in that: interweave part and back weft of the contact bottom layer of every three-dimensional compound yarn interweaves and forms contact bottom layer latitude floating-point and the adjacent end forms the paired appearance adjacent one another are of contact bottom layer latitude floating-point through interweaving with back weft.
8. according to claim 5 and 6 described filtration and papermaker's fabrics, it is characterized in that: every foundation forms contact bottom layer latitude floating-point through interweaving with back weft, can occur separately, the part or the end also can interweave with the contact bottom layer of adjacent three-dimensional compound yarn through adjacent one another are with the interweave latitude floating-point that forms of back weft, occur in pairs.
9. fabric according to claim 1 is characterized in that: described face picks is 2 to 1 or 3 to 1 or 3 to 2 with the ratio of the quantity of back weft.
10. fabric according to claim 1, it is characterized in that: the end, is through having first diameter, back weft has second diameter, face is through having the 3rd diameter, described first diameter and second diameter ratio are between 1 to 1.13 to 1 to 2.36, and described the 3rd diameter and first diameter ratio are between 1 to 1 to 1 to 1.25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910192092.7A CN101666004B (en) | 2009-09-09 | 2009-09-09 | Fabric used for filtering and paper making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910192092.7A CN101666004B (en) | 2009-09-09 | 2009-09-09 | Fabric used for filtering and paper making |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101666004A true CN101666004A (en) | 2010-03-10 |
| CN101666004B CN101666004B (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910192092.7A Expired - Fee Related CN101666004B (en) | 2009-09-09 | 2009-09-09 | Fabric used for filtering and paper making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101666004B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937191A (en) * | 2015-09-14 | 2016-09-14 | 安徽华宇网业有限公司 | Anti-fouling ribbonfil dry net |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3938159A1 (en) * | 1989-11-16 | 1991-05-23 | Oberdorfer Fa F | COMPOSITE FABRICS FOR PAPER MACHINE BENCH |
| GB9604602D0 (en) * | 1996-03-04 | 1996-05-01 | Jwi Ltd | Composite papermaking fabric with paired weft binder yarns |
| GB2351505A (en) * | 1999-06-29 | 2001-01-03 | Jwi Ltd | Two-layer woven fabric for papermaking machines |
| US7059357B2 (en) * | 2003-03-19 | 2006-06-13 | Weavexx Corporation | Warp-stitched multilayer papermaker's fabrics |
| US6896009B2 (en) * | 2003-03-19 | 2005-05-24 | Weavexx Corporation | Machine direction yarn stitched triple layer papermaker's forming fabrics |
| US6905574B2 (en) * | 2003-04-18 | 2005-06-14 | Albany International Corp. | Multi-layer forming fabric with two warp systems bound together with a triplet of binder yarns |
| US7243687B2 (en) * | 2004-06-07 | 2007-07-17 | Weavexx Corporation | Papermaker's forming fabric with twice as many bottom MD yarns as top MD yarns |
| CN101168931A (en) * | 2007-11-23 | 2008-04-30 | 刘勇 | Forming net for making paper |
-
2009
- 2009-09-09 CN CN200910192092.7A patent/CN101666004B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937191A (en) * | 2015-09-14 | 2016-09-14 | 安徽华宇网业有限公司 | Anti-fouling ribbonfil dry net |
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| Publication number | Publication date |
|---|---|
| CN101666004B (en) | 2014-04-16 |
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