CN201801711U - Integral multi-layer top fabric with yarn preserved on peripheral edge - Google Patents

Integral multi-layer top fabric with yarn preserved on peripheral edge Download PDF

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Publication number
CN201801711U
CN201801711U CN2010205421199U CN201020542119U CN201801711U CN 201801711 U CN201801711 U CN 201801711U CN 2010205421199 U CN2010205421199 U CN 2010205421199U CN 201020542119 U CN201020542119 U CN 201020542119U CN 201801711 U CN201801711 U CN 201801711U
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China
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yarn
dimensional
fabric
rule
weft
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CN2010205421199U
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Chinese (zh)
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吴伯明
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吴伯明
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Abstract

The utility model relates to a top structure of a three dimensional revolving shell fabric, which has a three-dimensional weaving structure that has high yarn density and multi-layer laid-in weft, and is formed by the following method: the method that every two steps are lined with one weft is adducted to the traditional four-step method three-dimensional five-direction or a four-step method three-dimensional six-direction weaving structure; all participated yarns weaved at the top are preserved with the length for continuing to weave the body part; and the top structure is formed by the following weaving method: on the basis of the existing four-step method three dimensional braided fabric weaving method, a laid-in weft yarn system is added; and the laid-in weft yarn is clamped and introduced into adjacent warp yarn lines along the direction vertical to the weaving yarn by the method that every two steps are lined with one weft during running of the machine, and is distributed in the whole thickness of the fabric.

Description

A kind of integral multi-layered top cloth of reserving yarn in the edge

Affiliated technical field

The utility model relates to a kind of three dimensional fabric, specifically is a kind of top cloth that is used for three-dimensional revolving shell.

Background technology

Three-dimensional revolving shell fabric belongs to special-shaped fabric, comparatively special in shape, has one to bind at the one end usually; Its common purposes example is for to make the C/C composite material casing with the three-dimensional revolving shell fabric of carbon fiber weaving after Carburization Treatment, compare with traditional metallic article and to have good weight loss effect, various performances also all can meet the demands simultaneously, and particularly the application in the solid propellant rocket composite material casing is comparatively extensive in space industry.

Desirable three-dimensional revolving shell fabric should be able to reach following structure and performance demands: on structure is formed, top and body portion are continuous overall structure, having yarn as much as possible to link up between top and the body portion weaves, and be evenly distributed, certain whole wall thickness is arranged, fiber volume density changes more greatly and everywhere less, and molding surface size is accurate, and its institutional framework helps matrix to the dipping of fabric and compound.

At present, revolving shell fabric and preparation thereof or forming method mainly can have following several:

1. layer method in cutting shop promptly adopts woven flat fabric to make the method for revolving shell shape fabric by suitable cutting and reasonable shop layer.The major defect of this forming method is: the globality of flat fabric after cutting is very poor, the controllability of shop layer operation is bad, the fiber volume fraction uniformity and the uniformity of revolving shell fabric product each several part are bad, the accuracy of molding surface size is lower, influence the overall performance of product, especially the hoop mechanical property weakness of housing product, difficult quality guarantee.

2. winding method promptly adopts fibre bundle directly to be wound into method on the mould along hoop, generatrix direction.The major defect of this forming method is: nothing interweaves between the longitudinal and transverse fibre bundle, make that the globality of housing product is very poor, when twine be shaped piece the time be difficult to guarantee the uniformity of fiber alignment everywhere, usually take place when particularly entering following process that fiber begins from the top layer successively disorderly even the problem that comes off, second-rate.

3. annular machine loom hatching (patent CN1932101A, patent CN1932102A) adopts promptly that the uniform loom of annular is that weave at the center with the formation mould more than 3 or 3.Though this forming method can be realized the three-dimensional integral weaving of revolving shell fabric, but fabric layers is less, because of number of yarns is subjected to the restriction of heald frame heald number, the variation of the spatial shape of housing and realize comparatively difficulty in addition is because of in cloth machine increase and decrease yarn complexity comparatively.Also have, this method does not relate to weaving of top.

4.2.5D loom weaving method (patent CN101811365A) promptly adopts radioactive yarn adding method to weave by at least 4 2.5D side's machines, the major defect of this forming method also is not relate to weaving of top.

5. the hatching (patent CN100370068C) that tops out of band 2.5D, though this method is woven with the top, but clearly the top only is limited in the scope of 2.5D fabric construction in its patent specification: " top structure of the fabric that binds of the present invention is class layer one deck orthogonal angle interlock, can be ... any in the interlock of angle ".But, 2.5D the fabric fibre volume content of shaping structures is lower, and the hole in the 2.5D structure unit cell seals, be unfavorable for matrix flowing in strengthening body, adopt the member density of this shaping structures lower, compound inhomogeneous, easily produce bubble, influence mechanical property and the ablation property and the wave penetrate capability of product.And the most abominable position of application conditions exactly, the top of three-dimensional revolving shell fabric, for example in the application of space flight and aviation, so performance that should the zone is directly restricting this kind fabric further developing in the composite Application Areas.

Summary of the invention

For the globality that overcomes prior art poor, the fiber volume fraction uniformity consistency of product each several part is bad, the molding surface size poor accuracy, especially deficiencies such as the whole mechanical property weakness of housing, difficult quality guarantee, the utility model provides a kind of high thread density multilayer top cloth that is used for three-dimensional revolving shell.

The technical scheme that the utility model solves described top cloth technical problem is: with having the four step rule three-dimensional braided structure of high thread density multiple layer inlaid thread as top cloth, this structure be a kind of mode adduction with per two step linings, 1 latitudes in traditional four step rule three-dimensional five to or the new construction of four step rule three-dimensional six among braided structure, abbreviate inlaid thread four step rule three-dimensional braided structure in the utility model as.The fiber volume fraction of this structure is than higher, and the fiber orientation in the unit cell is four diagonal and the axial line of cuboid or square, and the angle that interweaves is less, and hole is along the opening-like attitude of fiber movement direction, and each is good to density uniformity.Not only the top fiber volume fraction is higher to adopt the revolving shell fabric at this fabric top, hole between fiber and the fiber does not seal, matrix more liquid in strengthening body, the convenient use, and it is more to the number of yarns of body portion to link up from the top, obtain the bigger top and the whole bonding strength of body portion, product can effectively improve the mechanical strength of composite and the uniformity of density through after compound, to satisfy parts to intensity and inhomogeneity high request.

The technical scheme that the utility model solves described top cloth weaving method technical problem is: on existing four step rule three-dimensional braid weaving method basis, increased a stuffer weft system, stuffer weft presss from both sides by the mode of per two step lining 1 latitudes in the machine run along the direction vertical with knitting yarn to be introduced between the adjacent longitude yarn row, and be distributed in this mode among the whole thickness of fabric, so realized the weaving of four step rule three-dimensional braided structure fabric of high thread density multiple layer inlaid thread; Concrete processing step comprises: (1), will move yarn and motionless yarn (motionless yarn exist only in three-dimensional six to braiding in) an end (hanging end on the yarn) be fixed on earlier and hang on the yarn bar, the other end (connecting end under the yarn) is connected to by connection carrier such as rubber band or springs on the spindle of four step rule 3 D weaving machine; (2), to hang the end length in reserve on yarn be that the mother of three-dimensional revolving shell fabric adds half surplus to length, and all fix with the yarn of clamping plate with reserved part; (3), operation four step rule 3 D weaving machine carries out the braiding campaign at top up and down, after promptly whenever once moving up and down, just successively carry silk and penetrate the 1 row stuffer weft identical with moving yarn length, reach until stuffer weft till the line number and the number of plies of fabric requirement, (4), along diagonal and length and width penetrate threads in addition and be fixed tight, loose with the institutional framework that prevents the top; (5), will fix the clamping plate of reserving yarn and take off, promptly obtain the top of three-dimensional revolving shell fabric described in the utility model.

The technical scheme that the utility model solves the weaving method technical problem of the three-dimensional revolving shell fabric of described integral body is: the weaving method that designs a kind of three-dimensional revolving shell fabric, this housing fabric structurally is made up of top and these two parts of body portion, top design also is made into and has the four step rule 3 D weaving fabric construction that multiple layer inlaid thread is strengthened, and the yarn of all participation tops braiding all reserves and continues to weave the needed length of body portion; The design of body portion also is made into the 2.5D fabric construction that has many laying-in reinforcements; The coherent braiding that the three-dimensional revolving shell fabric of this integral body uses four step rule 3 D weaving machine and 2.5D loom to carry out top and body portion on manufacturing technology successively forms, the whole yarns that comprise all braiding warp thread and all weft-inserted yams at top, the warp thread that all distribution is become body portion weaves consistently, and under for the collaborative participation that reaches other yarn that required specification and density requirements add, finish the making of this three-dimensional revolving shell fabric.

The beneficial effects of the utility model are:

Compare with existing product, the fabric construction at three-dimensional revolving shell fabric construction, especially top described in the utility model can effectively improve the fiber volume fraction at top, and then improves the density of composite; The hole of this forming method helps matrix strengthening flowing between the body in addition, has reduced bubble quantity and bubble effectively, has guaranteed the density uniformity of product.Solved that existing structure density is low, bubble is many, the characteristics of lack of homogeneity; Four step rule three-dimensional braided structure and 2.5D textural association in same revolving shell fabric, there is to be used in the speciality of having given play to each self-structure premium properties such as have good integrity, hoop mechanical property height, Fiber Distribution is even, molding surface size is accurate; This weaving method not only is specially adapted to make the prefabricated component of C/C composite material casing, weight loss effect is obvious, and equally also be applicable to the prefabricated component of making resin-based, ceramic matric composite housing, can be widely used in Aeronautics and Astronautics, weapon and relevant field such as civilian.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the structural representation of the three-dimensional revolving shell fabric of the utility model;

Fig. 2 is the schematic diagram of the three-dimensional top structure of high thread density multiple layer inlaid thread four step rule of the three-dimensional revolving shell fabric of the utility model;

Fig. 3 is the top of the three-dimensional revolving shell fabric of the utility model and the whole schematic diagram that links up of yarn of body portion;

Fig. 4 is the pinnacle structural representation of the three-dimensional revolving shell fabric of the utility model;

Fig. 5 is the blunt roof construction schematic diagram of the three-dimensional revolving shell fabric of the utility model;

Fig. 6 is the square roof construction schematic diagram of the three-dimensional revolving shell fabric of the utility model;

Fig. 7 is the top cloth braiding process schematic diagram of the three-dimensional revolving shell fabric of the utility model;

Fig. 8 carries out woven motion and view for top of the present utility model with four step rule 3 D weaving machine;

1. tops among the figure, 2. body portion, 3. first group of moving yarn, 4. second group of moving yarn, 5. stuffer weft is 6. hung the yarn bar, 7. four step rule 3 D weaving machine, 8. clamping plate are hung end on the A. yarn, connect end under the B. yarn, the wall thickness of the three-dimensional revolving shell fabric of H..

The specific embodiment

Further narrate the utility model below in conjunction with embodiment and accompanying drawing thereof, but the utility model is not limited by embodiment:

Three-dimensional revolving shell fabric of the present utility model was formed with body portion by top 1 on structure is formed usually 2 whole linking up, and was the three-dimensional revolving shell fabric with certain wall thickness H, as shown in Figure 1.Wall thickness H can be an equal thickness according to concrete purposes, also can be the thickening degree.

Fabric as the top of the present utility model is the four step rule three-dimensional braided structure of high thread density multiple layer inlaid thread.This structure is the improvement of integral multi-layered three-dimensional braided structure, a kind of specifically with per two the step every layer lining 1 latitude the mode adduction in traditional four step rule three-dimensional five to or the new construction of four step rule three-dimensional six on braided structure.Adduction in four step rule three-dimensional five to structure of the present utility model as shown in Figure 2, first group of moving yarn 3, second group of moving yarn 4 become the three-dimensional five of one of the utility model embodiment to the multiple layer inlaid thread structure with stuffer weft 5 co-braided.The yarn 3,4,5 of all participation top braidings all reserves and continues to weave the needed length of body portion, so that top 1 links up with the integral body of body portion 2, as shown in Figure 3, whole linking up is to realize by staying full yarn 3,4,5 to participate in the continuation braiding of body portion around the top.Top cloth of the present utility model also can with the mode adduction of per two steps every layer of lining 1 latitude in four step rule three-dimensional six on braided structure, this is that the motionless yarn co-braided cost that also adds one group of warp-wise outside above-mentioned first group of moving yarn 3, second group of moving yarn 4 and stuffer weft 5 in addition forms.

The shape at the top 1 of three-dimensional revolving shell fabric can be pinnacle (Fig. 4), blunt top (Fig. 5) or top, side (Fig. 6).

The design procedure of top cloth of the present utility model is: at first, concrete size and dimension requirement according to three-dimensional revolving shell fabric, determine the shape and the yarn columns thereof at its top, for example the top is pinnacle or blunt top, then selects Xiao Ding for use, and columns is less, being generally 16 is listed as between 32 row, size is generally about 1 centimetre wide, and for example the top is a flat-top, and then the top is the true form and the size of flat-top; Calculate the columns of yarn by top shape and size; Then, according to the fiber volume fraction at yarn columns, thickness and the top at top, calculate the number of plies, the line number of the number of plies, columns and the crosswise yam of the moving yarn in top of four step rule 3 D weaving and motionless yarn; Again, according to the concrete size of prefabricated component, shape need, determine the moving yarn in top of four step rule 3 D weaving and the length of yarn of motionless yarn and crosswise yam, the computing formula of length of yarn is the special-shaped fabric top width+surplus of the bus length * 2+ of the length=special-shaped fabric of yarn.

The braiding process of top cloth of the present utility model such as Fig. 7, shown in Figure 8.

At first as shown in Figure 7, with knitting yarn, comprise moving yarn 3,4 and motionless yarn (motionless yarn exist only in three-dimensional six to braiding in) an end A (hanging end on the yarn) be fixed on earlier and hang on the yarn bar 6, other end B (connecting end under the yarn) is connected on the spindle of four step rule 3 D weaving machine 7 by connection carrier such as rubber band or springs; Hanging end A length in reserve is that the mother of three-dimensional revolving shell fabric adds half surplus to length, and all fixes with the yarn of clamping plate 8 with reserved part; Then, on four step rule 3 D weaving machine 7, carry out the braiding campaign that the operational movement up and down shown in Fig. 8 is finished top 1 successively, be specially whenever once move up and down after, just successively carry silk and penetrate the 1 row stuffer weft 5 identical, so till stuffer weft 5 reaches the line number and the number of plies of fabric requirement with the length of moving yarn 3,4.This stuffer weft 5 is penetrated successively line by line, purpose be make top 1 around all be covered with yarn 3,4,5.In this process, notice that the surplus that stuffer weft 5 two ends are stayed equates, so that top 1 is positioned at the centre position of stuffer weft 5.

After top cloth braiding meets the requirements of the specification size, just penetrate threads in addition and be fixed tightly along diagonal and length and width, loose with the institutional framework that prevents top 1; Again, the fixing clamping plate 8 of reserving yarn are taken off, just finished top 1 braiding of three-dimensional revolving shell fabric.This top 1 divide around it the moving yarn 3,4 that has been covered with the braiding length requirement that can satisfy body portion 2 and motionless yarn (motionless yarn exist only in three-dimensional six to braiding in) and stuffer weft 5, the warp thread that all these yarns 3,4,5 all will become body portion 2 participates in the braiding of body portion 2.

The fabric construction of the body portion 2 among the embodiment of the present utility model is common 2.5D institutional framework.Can turn round the braiding of shape body portion 2 after 1 moulding of top according to existing technology.For example, can earlier top 1 be mounted on the corresponding position of formation mould, and all yarns 3,4,5 of reserving around the top 1 are hung on the formation mould by the requirement of arranging respectively is that the center circularizes on the yarn hook of the uniform 2.5D loom more than 3 or 3, adopts annular latitude line stretching method then and cooperates mould forming method that weft yarn is introduced warp thread one by one and made warp and weft interweaving; In the weaving process of body portion, along with the increase of formation mould diameter or reduce, can add warp thread or cut warp thread subtracting the yarn point adding yarn point according to the quantity that adapts with described mould diameter increase and decrease; Carry out repeatedly according to this, finish until three-dimensional revolving shell fabric integral weaving.

The utility model is not addressed part and is applicable to prior art.

Provide specific embodiment of the utility model below.

Embodiment 1

Present embodiment is the three-dimensional revolving shell fabric in pinnacle, as shown in Figure 1.Body portion 2 is a thickening degree wall thickness, bus length is 50 centimetres, requires to knit out fabric top 1, and the reservation yarn weaves usefulness for body portion 2, the fiber volume fraction at top 1 requires (53 ± 3) %, and the braided structure at top 1 adopts four step rule three-dimensional five to braided structure.

1. assembling-disassembling top on the 3 D multi-directional seam loop

(1) the concrete specification of yarn is as follows, and the length 1400mm of moving yarn 3,4, number of share of stock are 4 strands of 190tex quartz fibre plying, the length 1400mm of stuffer weft 5, stuffer weft 5 also is 4 strands of 190tex quartz fibre plying, and the columns of moving yarn 3,4 is 10 row, and the line number of stuffer weft 5 is 6 row.

(2) the end A with the moving yarn 3,4 of 10 row fixes earlier, and other end B is connected by the spindle of rubber band with four step rule 3 D weaving machine 7.

(3) move yarn at the moving yarn A end of distance 695mm place and fix, be fixed by clamping plate 8.

(4) about the four step rule 3 D weaving machine, about each once, see shown in Figure 8ly, machine is moved to state c by state a, successively carry silk then and successively feed 1 row stuffer weft 5.Solid arrow has been represented machine forms of motion up and down among the figure, and hollow arrow has been represented the circulation of machine state.

(5) again about the motion 3 D multi-directional seam loop, about each once, machine is moved to e by c, successively carry silk and successively feed 1 row stuffer weft 5;

(6) repeating motion (4) (5), until penetrating 6 row stuffer wefts 5, the number of plies is 18 layers.

(7) it is fixing tight with the top 1 that weaves to penetrate many sub-thread 190tex yarns along diagonal and length direction, width, it is stand-by just can to take off the fabric at top 1 from four step rule 3 D weaving machine then, is covered with the yarn 3,4,5 of retaining length around the top 1 of this moment.

2. assembling-disassembling body portion 2 on 2.5D loom 7

(1) the mould top is close at top 1, and it is compressed with the backform regulator.

(2) structure of body portion 2 adopts the 2.5D fabric tissue, can be made up of warp thread, weft yarn, motionless yarn, extexine warp thread and endosexine warp thread.The warp thread of the part of body portion 2 is born by being covered with the yarn 3,4,5 of retaining length around the top 1, is about to that top 1 yarn 3,4,5 all around evenly distributes and the yarn that is connected in the 2.5D loom colludes.

(3) in the present embodiment, adopted 8 square 2.5D loom annular spread to form unit and weave motion synchronously.Except being covered with around the top 1 yarn 3,4,5 of retaining length participates in weaving, for satisfying density requirements, other adds 16 and arranges warp thread and 40 motionless yarns are weaved, and carries out and finish the following braiding of body portion 2 then by existing routine techniques:

(4) motionless yarn is distributed in the moving yarn ranks, and the number of share of stock of motionless yarn is 2 strands of 190tex quartz fibre plying, and weft yarn is successively in time measured the interior outer perimeter of opening part by interior outward around going into around intact back, and estimation is the yarn amount that adds of latitude down.Weft yarn all adopts following winding, all be at every turn by interior outward around, around behind outermost layer, weft end tiltedly is through at fabric arrives fabric, then each weft yarn all carries out same circulation after intact, guaranteed each weft yarn all be by interior outward around, and the weft yarn of outer ring keeps tensioning state.The number of share of stock of weft yarn is 6 strands of 190tex quartz fibre plying.

(5) unit all moves two lattice downwards, the warp thread amount, motionless yarn amount and the inner and outer surface layers warp thread amount that add estimation, the surfaces externally and internally yarn of back circle board needs manually and the preceding board upper and lower surface yarn yarn that jumps away, successively by interior outward around going into weft yarn and measure the girth of opening part, the estimation warp thread of latitude down adds the yarn amount and motionless yarn adds the yarn amount.

(6) unit all moves two lattice downwards, the warp thread amount, motionless yarn amount and the inner and outer surface layers warp thread amount that add estimation, the surfaces externally and internally yarn of back circle board needs manually and the preceding board upper and lower surface yarn yarn that jumps away, successively by interior outward around going into weft yarn and measure the girth of opening part, the estimation warp thread of latitude down adds the yarn amount and motionless yarn adds the yarn amount.

(7) all upwards moving two lattice of unit, the warp thread amount, motionless yarn amount and the inner and outer surface layers warp thread amount that add estimation, the surfaces externally and internally yarn of back circle board needs manually and the preceding board upper and lower surface yarn yarn that jumps away, successively by interior outward around going into weft yarn and measure the girth of opening part, the estimation warp thread of latitude down adds the yarn amount and motionless yarn adds the yarn amount.

(8) all upwards moving two lattice of unit, the warp thread amount, motionless yarn amount and the inner and outer surface layers warp thread amount that add estimation, the surfaces externally and internally yarn of back circle board needs manually and the preceding board upper and lower surface yarn yarn that jumps away, successively by interior outward around going into weft yarn and measure the girth of opening part, the estimation warp thread of latitude down adds the yarn amount and motionless yarn adds the yarn amount.

(9) motion of repetition 6-9 is so until thicker region

(10) thicker region needs to realize the variation of thickness by adding layer, with after the whole layer of warp thread that adds be fixed in and hang yarn and collude, every latitude adds one deck, weft yarn by interior outward around.

(11) repeat 5 motions (10), reach required thickness 23mm until measurement result.

(12) repeat the motion of 6-9 once more, so finish until product, final warp thread columns is about 800 row.

3. back arrangement

After product is finished, the yarn of fabric face is pruned, the loose thread of thicker region is all cut.

Embodiment 2:

Present embodiment is the three-dimensional revolving shell fabric in pinnacle, as shown in Figure 4.This is the fabric profile with uniform thickness precast body, bus length is 50 centimetres, requires to knit out fabric top 1, and the reservation yarn weaves usefulness for body portion 2, the fiber volume fraction at top 1 requires (53 ± 3) %, and braided structure adopts four step rule three-dimensional five to braided structure.

1. assembling-disassembling top 1 on four step rule 3 D weaving machine

(1) according to the prefabricated component requirement, determine the shape and size at fabric top 1, this routine fabric top 1 is the pinnacle, so top shape is designed to little top, the top columns is designed to 32 row yarns, is designed and sized to the length of side and is 1 centimetre square;

(2) determine that it is 10 row that the columns of yarn is moved at the top, the line number of stuffer weft is 6 row;

(3) Design of length of moving yarn, stuffer weft is:

The bus length of length of yarn=product * 2+ top width+60 centimetre

=50 cm x 2+1 centimetres+60 centimetres

=161 centimetres

(4) the end A with the moving yarn of 10 row is fixed in four step rule 3 D multi-directional braiding machine 7 tops, and the other end links to each other with moving spindle on the four step rule 3 D weaving machine 7 by rubber band;

(5) distance A end reserved part length yarn, the length of yarn is 80 centimetres, 80 centimetres of yarns will reserving with clamping plate 8 all fix;

(6) motion four step rule 3 D weaving machine about in the of 7, about each once, see Fig. 8, machine is moved to c by a, successively carry silk and successively feed the stuffer weft of 1 row, 161 centimeter length, the stuffer weft two ends are respectively stayed 80 centimetres;

(7) continue about the motion 3 D weaving machine, about each once, machine is moved to e by c, successively carry silk and successively feed the stuffer weft of 1 row, 1 row, 161 centimeter length, the stuffer weft two ends are respectively stayed 80 centimetres;

(8) repeating motion three order the 6th step of five steps is until the 6 row stuffer wefts that penetrate requirement.

(9) penetrate 13 one threads and be fixed tight along diagonal and length direction, width, prevent that the top is loose, the clamping plate 8 that fixing moving yarn is reserved yarn are taken down, unclamp the A end, three-dimensional five to top 1 braiding finish, and reserved the braiding yarn of 32 row body portions 2 all around.

On the 2.5D loom assembling-disassembling body portion 2 (with embodiment 1 roughly the same, slightly)

3. back arrangement (with embodiment 1 roughly the same, slightly)

Embodiment 3:

Present embodiment is the three-dimensional revolving shell fabric in blunt top, as shown in Figure 5.This is the fabric profile with uniform thickness precast body, bus length is 50 centimetres, requires to knit out the fabric top, and the reservation yarn weaves usefulness for body portion, the fiber volume fraction at top requires (53 ± 3) %, and braided structure adopts four step rule three-dimensional five to braided structure.

1. assembling-disassembling top 1 on four step rule 3 D weaving machine

(1) according to the prefabricated component requirement, determine the shape and size at fabric top 1, this routine special-shaped fabric top is blunt top, so top shape is designed to little top, the top columns is designed to 24 row yarns, is designed and sized to the length of side and is 0.8 centimetre square;

(2) determine that it is 6 row that the columns of yarn is moved at the top, the line number of stuffer weft is 6 row;

(3) Design of length of moving yarn, stuffer weft is:

The bus length of length of yarn=product * 2+ top width+60 centimetre

=50 cm x 2+0.8 centimetres+60 centimetres

=160.8 centimetres

(4) the end A with the moving yarn of 6 row is fixed in four step rule 3 D multi-directional braiding machine 7 tops, and the other end links to each other with moving spindle on the four step rule 3 D weaving machine 7 by rubber band;

(5) distance A end reserved part length yarn, the length of yarn is 80 centimetres, 80 centimetres of yarns will reserving with clamping plate 8 all fix;

(6) motion four step rule 3 D weaving machine about in the of 7, about each once, see Fig. 8, machine is moved to c by a, successively carry silk and successively feed the stuffer weft of 1 row, 160.8 centimeter length, the stuffer weft two ends are respectively stayed 80 centimetres;

(7) continue about the motion 3 D weaving machine, about each once, machine is moved to e by c, successively carry silk and successively feed the stuffer weft of 1 row, 1 row, 160.8 centimeter length, the stuffer weft two ends are respectively stayed 80 centimetres;

(8) repeating motion three order the 6th step of five steps is until the 6 row stuffer wefts that penetrate requirement.

(9) penetrate 11 one threads and be fixed tight along diagonal and length direction, width, prevent that the top is loose, the clamping plate 8 that fixing moving yarn is reserved yarn are taken down, unclamp the A end, three-dimensional five to top 1 braiding finish, and reserved the braiding yarn of 24 row body portions 2 all around.

On the 2.5D loom assembling-disassembling body portion 2 (with embodiment 1 roughly the same, slightly)

3, back arrangement (with embodiment 1 roughly the same, slightly)

Embodiment 4

The three-dimensional revolving shell fabric in top, the present embodiment side of being, as shown in Figure 6.This is the fabric profile with uniform thickness precast body, bus length is 50 centimetres, the top is a square, the length of side is 10 centimetres, requirement knits out fabric top 1, and reserve yarn and weave usefulness for body portion, the fiber volume fraction at top requires (53 ± 3) %, and braided structure adopts four step rule three-dimensional six to braided structure.

1. assembling-disassembling top 1 on four step rule 3 D weaving machine

(1) according to the prefabricated component requirement, determine the shape and size at fabric top 1, this routine fabric top is 10 centimetres square for the flat-top for the side so the size shape at top is the length of side;

(2) determine the columns of the moving yarn in top, the columns of motionless yarn, the line number of stuffer weft, the line number of stuffer weft are for the columns sum of moving yarn, motionless yarn, and according to calculating, the columns of moving yarn is 25 row, and the columns of motionless yarn is 24 row, and the line number of stuffer weft is 49 row;

(3) Design of length of moving yarn, motionless yarn, stuffer weft is:

The bus length of length of yarn=product * 2+ top width+60 centimetre

=50 cm x 2+10 centimetres+60 centimetres

=170 centimetres

(4) the end A with the motionless yarn of moving yarn 24 row of 25 row is fixed in four step rule 3 D weaving machine top, and the other end links to each other with motionless spindle of moving spindle on the four step rule 3 D weaving machine by rubber band;

(5) distance A end reserved part length yarn, the length of yarn is 80 centimetres, 80 centimetres of yarns will reserving with clamping plate 8 all fix;

(6) about the motion four step rule 3 D weaving machine, about each once, see Fig. 8, machine is moved to c by a, successively carry silk and successively feed the stuffer weft of 1 row, 170 centimeter length, the stuffer weft two ends are respectively stayed 80 centimetres;

(7) continue about the motion 3 D weaving machine, about each once, machine is moved to e by c, successively carry silk and successively feed the stuffer weft of 1 row, 1 row, 170 centimeter length, the stuffer weft two ends are respectively stayed 80 centimetres;

(8) repeating motion three order the 6th step of five steps is until the 6 row stuffer wefts that penetrate requirement.

(9) penetrate 77 one threads and be fixed tight along diagonal and length direction, width, prevent that the top is loose, the clamping plate 8 that fixing moving yarn is reserved yarn are taken down, unclamp the A end, three-dimensional six to top 1 braiding finish, and reserved the braiding yarn of 196 row body portions 2 all around.

On the 2.5D loom assembling-disassembling body portion 2 (with embodiment 1 roughly the same, slightly)

3, back arrangement (with embodiment 1 roughly the same, slightly).

Claims (3)

1. the top structure of a three-dimensional revolving shell fabric, it is characterized in that: with the four step rule three-dimensional braided structure of the high thread density multiple layer inlaid thread structure as top cloth, this structure is a kind of structure of mode adduction among traditional four step rule three-dimensional braided structure with per two step lining 1 latitudes.
2. top structure according to claim 1 is characterized in that: the four step rule three-dimensional braided structure of high thread density multiple layer inlaid thread is that a kind of mode adduction with per two step linings, 1 latitudes is in the traditional structure of four step rule three-dimensional five among braided structure.
3. top structure according to claim 1 is characterized in that: the four step rule three-dimensional braided structure of high thread density multiple layer inlaid thread is that a kind of mode adduction with per two step linings, 1 latitudes is in the traditional structure of four step rule three-dimensional six among braided structure.
CN2010205421199U 2010-09-26 2010-09-26 Integral multi-layer top fabric with yarn preserved on peripheral edge CN201801711U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409463A (en) * 2010-09-26 2012-04-11 吴伯明 Weaving method for high-yarn-density multilayer top fabric and cylindrical shell fabric of high-yarn-density multilayer top fabric
CN103015029A (en) * 2012-12-30 2013-04-03 中材科技股份有限公司 2.5-dimension (2.5D) multidirectional extensible weaving method
CN103998721A (en) * 2011-12-14 2014-08-20 斯奈克玛 Fiber structure woven into a single part by means of 3D weaving, and use in the manufacture of a composite material part

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409463A (en) * 2010-09-26 2012-04-11 吴伯明 Weaving method for high-yarn-density multilayer top fabric and cylindrical shell fabric of high-yarn-density multilayer top fabric
CN102409463B (en) * 2010-09-26 2014-03-26 吴伯明 Weaving method for high-yarn-density multilayer top fabric and cylindrical shell fabric of high-yarn-density multilayer top fabric
CN103998721A (en) * 2011-12-14 2014-08-20 斯奈克玛 Fiber structure woven into a single part by means of 3D weaving, and use in the manufacture of a composite material part
CN103998721B (en) * 2011-12-14 2016-01-20 斯奈克玛 A kind of individual FC structure by 3D weave woven and the application in manufacture composite material component thereof
CN103015029A (en) * 2012-12-30 2013-04-03 中材科技股份有限公司 2.5-dimension (2.5D) multidirectional extensible weaving method

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