CN106400295B - Three-dimensional woven tube and the three dimensional knitting machine and weaving for making the three-dimensional woven tube - Google Patents
Three-dimensional woven tube and the three dimensional knitting machine and weaving for making the three-dimensional woven tube Download PDFInfo
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- CN106400295B CN106400295B CN201610793108.XA CN201610793108A CN106400295B CN 106400295 B CN106400295 B CN 106400295B CN 201610793108 A CN201610793108 A CN 201610793108A CN 106400295 B CN106400295 B CN 106400295B
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- Prior art keywords
- yarn device
- circumferential
- radially
- row
- yarn
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/03—Shape features
- D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process
- D10B2403/0333—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process with tubular portions of variable diameter or distinct axial orientation
Abstract
The present invention relates to three-dimensional woven tube and make the three dimensional knitting machine and weaving of the three-dimensional woven tube, three-dimensional woven tube includes multiple representative volume units, each representative volume unit is radially taken the radial direction yarn section that yarn device moves radially and formed and formed by two by the corresponding circumferential circumferential yarn section taken yarn device circumferential movement and formed and two by corresponding, any one one thread section is interspersed between its adjacent two one threads section in same representative volume unit, each representative volume unit be arranged in each yarn section correspond in a circumferential direction it is connected in order, circular tube structure connected in order is corresponded in the axial direction.The present invention provides a kind of three-dimensional woven tube based on space group P4 and make the three dimensional knitting machine and weaving of the three-dimensional woven tube.
Description
Technical field
The present invention relates to the three-dimensional woven tube based on space group P4 in 3 D weaving field and the making 3 D weavings
The three dimensional knitting machine and weaving of pipe.
Background technology
D braided composites are used widely as a kind of novel engineering material in recent years, because it has completely
Structure, one-pass molding and it is time saving and energy saving the advantages that, this braided fabric is widely used in every field, and obtains weaving technology
The sizable concern of research institute.
More stablize in order to obtain geometry, the more excellent braided material of mechanical property, from based on space group
For P3 to based on space group P4, people carry out new trial always to braiding structure.Chinese patent CN105063885A is disclosed
A kind of " three-dimensional knitting material based on space group P4 symmetry ", this document disclose a kind of four yarns spinnings based on space group P4
Structure is knitted, which includes multiple representative volume units connected in order horizontal and vertical, the representative
Property elementary volume, volume element is as shown in Fig. 1 of open file：Including four one thread sections, any one one thread section is interspersed in its two neighboring yarn
Between line section, each representative volume unit is longitudinally and transversely above connected in order and forms the 3 D weaving of one piece of planar structure
Fabric.Existing this 3 D weaving fabric has problems in that：The 3 D weaving fabric is planar structure, and in practical life
In production application, the three-dimensional braid of tubulose more has application value.
Invention content
The purpose of the present invention is to provide a kind of three-dimensional woven tubes based on space group P4；The present invention also aims to carry
For a kind of three dimensional knitting machine and weaving for making the three-dimensional woven tube.
To solve the above-mentioned problems, the technical solution of three-dimensional woven tube is in the present invention：
Based on the three-dimensional woven tube of space group P4, including multiple representative volume units, each representative volume unit is equal
It is radially moved by corresponding yarn device of radially taking by the corresponding circumferential circumferential yarn section taken yarn device circumferential movement and formed and two by two
Radial direction yarn section that is dynamic and being formed is formed, and any one one thread section is interspersed in its adjacent two in same representative volume unit
Between yarn section, each representative volume unit be arranged in each yarn section correspond in a circumferential direction it is connected in order, right in the axial direction
Answer circular tube structure connected in order.
On the axial cross section perpendicular to circular tube structure, three-dimensional woven tube include at least two as described in individual layer representative body
The braiding layer that product unit is formed.
The technical solution of three dimensional knitting machine is in the present invention：
Three dimensional knitting machine, be coaxially set the circumferential moving track having including 2n, guiding movement on circumferential moving track
The circumferential direction for being equipped with multiple along the circumferential direction uniform intervals arrangement takes yarn device, and corresponding on different circumferential direction moving tracks circumferential takes yarn
Device with the center radial distribution of circumferential moving track, take yarn device formation one and arrange by the circumferential direction that definition is located on same radiation, and three
Dimension braider further include with circumferential direction take the corresponding multiple row of yarn device columns with the center radial distribution of circumferential moving track can edge
The radial direction that circumferential moving track moves radially takes yarn device, and each row radially take yarn device, and positioned at corresponding to, adjacent two row are circumferential to take yarn device respectively
Between, it is 2n that each column, which is radially taken and the number of yarn device is radially taken in yarn device, and any one row radially take adjacent two row of yarn device radially
Take two radial directions of correspondence in yarn device and take yarn device and be in using the center of circumferential moving track as on the same Radius in the center of circle, it is each radially
It takes yarn device circumferential direction adjacent thereto and takes yarn device and misplace in a circumferential direction arrangement, any one circumferential adjacent two row diameter for taking yarn device of row
To taking in yarn device, wherein the outermost that a row radially take yarn device radially takes yarn device and is located at the outermost circumferential direction that the row circumferentially take yarn device
It takes the outside of yarn device and can along the circumferential direction move, in addition a row radially take the most inner side of yarn device and radially take yarn device to be located at the row all
The inside of yarn device is circumferentially taken to the most inner side for taking yarn device and can along the circumferential direction be moved, and n takes positive integer.
The technical solution of weaving is in the present invention：
Weaving, the braiding step unit including multiple repetitions each weave step unit and include the following steps, and first
It walks, the circumferential direction on two neighboring circumferential direction moving track takes yarn device and moves one towards negative direction along corresponding circumferential moving track respectively
Circumferential angle, circumferential angle are equal to the circumferential angle for taking yarn device of adjacent two row；Second step, adjacent two row radially take yarn device edge respectively
The negative direction that is radially orientated of circumferential moving track moves a radial distance, and radial distance is equal to same row and radially takes phase in yarn device
Adjacent two radial directions take the spacing of yarn device；Third walks, and adjacent two row are radially taken in yarn device, nearest apart from circumferential moving track center
It radially takes yarn device and the radial direction farthest apart from circumferential moving track center is taken yarn device and circumferentially moved described in one towards negative direction
Circumferential angle.
Beneficial effects of the present invention are：The mobile formation of circumferential direction that the circumferentially moved track of yarn device is circumferentially taken in the present invention is circumferential
Yarn section radially takes yarn device and moves radially to form radial direction yarn section, and each representative volume unit is included by two weeks
It is formed to yarn section and two radial direction yarn sections, so as to form the three-dimensional woven tube based on space group P4, relative to planar junction
For the P4 braidings of structure, there is broader practice value.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of three-dimensional woven tube in the present invention；
Fig. 2 is the theoretical model figure of Fig. 1；
Fig. 3 is enlarged drawing at A in Fig. 1；
Fig. 4 is the structure diagram of single representative volume unit in an intermediate position in Fig. 1；
Fig. 5 is the stereogram of Fig. 4；
Fig. 6 is the structure diagram of the single representative volume unit in inside edge position in Fig. 1；
Fig. 7 is the structure diagram of the single representative volume unit in outer ledge position in Fig. 1；
Fig. 8 is the topology diagram of representative volume unit in the present invention；
Fig. 9 is that each circumferential direction takes yarn device and radially takes the mobile schematic diagram of yarn device in 3 D weaving technique in the present invention.
Specific embodiment
The implementation of three-dimensional woven tube based on space group P4 is for example shown in Fig. 1~7：The three-dimensional woven tube 10 include five by
The braiding layer that individual layer representative volume unit 11 is formed, each representative volume unit 11 circumferentially take yarn device by two by corresponding
The circumferential circumferential yarn section 12 formed in movement and two by it is corresponding radially take yarn device move radially and the radial direction yarn that is formed
Section 13 is formed, and any one one thread section is interspersed between its adjacent two one threads section in same representative volume unit 11.Respectively
Representative volume unit be arranged in each yarn section correspond in a circumferential direction it is connected in order, correspond to circle connected in order in the axial direction
Pipe structure.
Due to multiple braiding layers, the representative volume unit in inside edge position, in outer ledge position
The representativeness of the representative volume unit at place and (i.e. the second layers several from the inside to the outside, third layer and the 4th layer) in an intermediate position
The radial direction yarn festival-gathering of elementary volume, volume element is different, the structure of representative volume unit in an intermediate position as illustrated in figures 4-5,
The structure of representative volume unit in inside edge position is as shown in fig. 6, the representative volume in outer ledge position
The structure of unit is as shown in fig. 7, it can be seen from the figure that the radial direction yarn of the representative volume unit in inside edge position
The inner end of section has inside corner structure, the radial direction yarn section of the representative volume unit in outer ledge position in the circumferential
Outer end there are external corners in the circumferential, and the radial direction yarn section of representative volume unit in an intermediate position is without above-mentioned
Corner structure, the track of radial direction yarn section is side's annular in overlook direction.The circumferential direction of the representative volume unit of different location
The shape of yarn section is consistent, only different from a radius, the circumferential yarn section of the representative volume unit of outer layer
Radius can be more than internal layer representative volume unit circumferential yarn section radius.△ θ are each Representative Volume Element in figure
Central angle；γ ' represents the angle of circumferential yarn section 12 and radial direction yarn section 13, which is more than 90 degree；△ R represent representative single
The radius increment of member；α ', β ' represent braid angle respectively；H' represents the height of Representative Volume Element.
The embodiment of three dimensional knitting machine is as shown in Figure 9：Be coaxially set the circumferential moving track 22 having including 2n, this reality
The number of plies that n in example takes 2, n values to mean that braiding layer is applied, two layers of knot can be knit out using the three dimensional knitting machine in the embodiment
The three-dimensional woven tube of structure, guiding movement is equipped with the circumferential direction of multiple along the circumferential direction uniform intervals arrangements on circumferential moving track 22
Take yarn device 20 (in Fig. 9 solid dot represent), corresponding on different circumferential direction moving tracks circumferential takes yarn device with circumferential moving track
Center radial distribution, the circumferential direction that definition is located on same radiation take yarn device and form a row, and three dimensional knitting machine further includes and week
To take the corresponding multiple row of yarn device columns with the center radial distribution of circumferential moving track can circumferentially moved track radially move
Dynamic radial direction takes yarn device 21 (open circle expression in Fig. 9), and each row radially take yarn device, and positioned at corresponding to, adjacent two row are circumferential to take yarn respectively
Between device, each column, which is radially taken, radially takes the number of yarn device as 2n i.e. 4 in yarn device, and any one row radially take adjacent two row of yarn device
Radially two radial directions of correspondence for taking in yarn device are taken yarn device and are in using the center of circumferential moving track as on the same Radius in the center of circle, respectively
It radially takes yarn device circumferential direction adjacent thereto and takes yarn device and misplace in a circumferential direction arrangement, any one row circumferential direction takes adjacent the two of yarn device
Row are radially taken in yarn device, wherein the outermost that a row radially take yarn device radially takes yarn device and is located at the outermost that the row circumferentially take yarn device
Circumferentially take the outside of yarn device and can along the circumferential direction move, in addition one row radially take yarn device most inner side radially take yarn device be located at should
The circumferential most inner side for taking yarn device of row is circumferentially taken the inside of yarn device and can along the circumferential direction be moved.Yarn is taken with each circumferential direction on Radius
Device along the circumferential direction arrange by uniform intervals, and with the yarn device of respectively radially taking on Radius, along the circumferential direction uniform intervals are arranged, i.e. phase
The angle that the circumferential angle for taking yarn device of two row of neighbour radially takes yarn device with adjacent two row is identical.
In other embodiments of the invention, according to the number of plies of required braiding, n can also take other positive integers such as 1,3,4.
The embodiment that the weaving of three-dimensional woven tube is made using above-mentioned three dimensional knitting machine is as shown in Figure 9：Including multiple
The braiding step unit repeated, braiding step unit include the following steps that the first step is as shown in the A in Fig. 9, two neighboring circumferential direction
Circumferential direction on moving track takes yarn device and moves a circumferential angle, circumferential angle along corresponding circumferential moving track towards negative direction respectively
Degree is equal to the circumferential angle for taking yarn device of adjacent two row；For second step as shown in the B in Fig. 9, adjacent two row radially take yarn device edge respectively
The negative direction that is radially orientated of circumferential moving track moves a radial distance, and radial distance is equal to same row and radially takes phase in yarn device
Adjacent two radial directions take the spacing of yarn device；Third is walked as shown in the C in Fig. 9, and adjacent two row are radially taken in yarn device, and distance is circumferential mobile
The nearest radial direction of orbit centre takes yarn device and the radial direction farthest apart from circumferential moving track center takes yarn device circumferentially towards negative side
To the mobile one circumferential angle, after three steps, respectively take yarn device and returned to original alignment, it is then urgent, it repeats the above steps
A kind of prefabricated component for the novel three-dimensional woven tube for meeting space group P4 symmetry can be obtained for several times, it is circumferential from overlook direction
The movement locus for taking yarn device is a circular rings, and the movement locus for radially taking yarn device is a Q-RING.
Yarn track is as shown in Figure 8 in the prefabricated component of three-dimensional woven tube：' 1-6 ' represents the topological structure of each yarn.‘1-
4 ' be the topological structure of radial direction yarn section.1 and 2 represent the topological structure of outer surface and inner surface yarn respectively.3 and 4 represent in advance
The movement law of radial direction yarn section in product.5 and 6 topological structure for circumferential yarn section, repeat Step1, Step2, Step3 and
It is urgent to form novel three-dimensional woven tube.The theoretical model of the novel three-dimensional woven tube can be grasped by the translational symmetry of space group P4
It obtains.
Claims (4)
1. three dimensional knitting machine, it is characterised in that：Including a circumferential moving tracks being coaxially set of 2n, led on circumferential moving track
The circumferential direction that multiple along the circumferential direction uniform intervals arrangement is equipped with to movement takes yarn device, the corresponding week on different circumferential direction moving tracks
To yarn device is taken with the center radial distribution of circumferential moving track, the circumferential direction that definition is located on same radiation takes yarn device and forms one
Row, three dimensional knitting machine further include multiple row corresponding with circumferentially taking yarn device columns with the center radial distribution of circumferential moving track
Can the radial direction that moves radially of circumferentially moved track take yarn device, each row radially take yarn device and are located at that corresponding adjacent two row are circumferential to be taken respectively
Between yarn device, it is 2n that each column, which is radially taken and the number of yarn device is radially taken in yarn device, and any one row radially take adjacent two row of yarn device
Radially two radial directions of correspondence for taking in yarn device are taken yarn device and are in using the center of circumferential moving track as on the same Radius in the center of circle, respectively
It radially takes yarn device circumferential direction adjacent thereto and takes yarn device and misplace in a circumferential direction arrangement, any one row circumferential direction takes adjacent the two of yarn device
Row are radially taken in yarn device, wherein the outermost that a row radially take yarn device radially takes yarn device and is located at the outermost that the row circumferentially take yarn device
Circumferentially take the outside of yarn device and can along the circumferential direction move, in addition one row radially take yarn device most inner side radially take yarn device be located at should
The circumferential most inner side for taking yarn device of row is circumferentially taken the inside of yarn device and can along the circumferential direction be moved, and n takes positive integer.
2. the weaving of three-dimensional woven tube is made using three dimensional knitting machine as described in claim 1, it is characterised in that：Including
The braiding step unit of multiple repetitions each weaves step unit and includes the following steps, the first step, two neighboring circumferential direction moving rail
Circumferential direction on road takes yarn device and moves a circumferential angle along corresponding circumferential moving track towards negative direction respectively, and circumferential angle is equal to
The adjacent circumferential angle for taking yarn device of two row；Second step, adjacent two row radially take yarn device distinguish circumferentially moved track radially towards
A radial distance is moved to negative direction, radial distance, which is equal to same row, radially to be taken two neighboring radial direction in yarn device and take between yarn device
Away from；Third walks, and adjacent two row are radially taken in yarn device, and the nearest radial direction in the circumferential moving track center of distance takes yarn device and apart from circumferential direction
The farthest radial direction in moving track center takes yarn device and circumferentially moves a circumferential angle towards negative direction.
3. the three-dimensional woven tube based on space group P4 made using weaving as claimed in claim 2 is used such as power
Profit requires the three dimensional knitting machine described in 1 to make, it is characterised in that：Including multiple representative volume units, each representative volume
Unit by two by the corresponding circumferential circumferential yarn section taken yarn device circumferential movement and formed in three dimensional knitting machine and two by
The corresponding radial direction yarn section composition for radially taking yarn device and moving radially and being formed in three dimensional knitting machine, same representative volume list
Any one one thread section is interspersed between its adjacent two one threads section in member, and each representative volume unit is arranged in each yarn section and exists
Corresponded on circumferencial direction it is connected in order, correspond to circular tube structure connected in order in the axial direction.
4. the three-dimensional woven tube according to claim 3 based on space group P4, it is characterised in that：Perpendicular to circular tube structure
Axial cross section on, three-dimensional woven tube includes the braiding layer that is formed of at least two representative volume units as described in individual layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793108.XA CN106400295B (en) | 2016-08-31 | 2016-08-31 | Three-dimensional woven tube and the three dimensional knitting machine and weaving for making the three-dimensional woven tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793108.XA CN106400295B (en) | 2016-08-31 | 2016-08-31 | Three-dimensional woven tube and the three dimensional knitting machine and weaving for making the three-dimensional woven tube |
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| Publication Number | Publication Date |
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| CN106400295A CN106400295A (en) | 2017-02-15 |
| CN106400295B true CN106400295B (en) | 2018-06-19 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443616A (en) * | 2017-07-26 | 2017-12-08 | 河南科技大学 | Pipe 3 D weaving preform, braiding compound circular tube and both forming methods |
| CN110029442A (en) * | 2019-04-10 | 2019-07-19 | 郑州电力高等专科学校 | A kind of circular cross-section braider |
| CN110983612B (en) * | 2019-12-03 | 2022-02-18 | 山东鲁普科技有限公司 | Bending fatigue resistant chemical fiber rope and manufacturing method thereof |
| CN112161115A (en) * | 2020-09-17 | 2021-01-01 | 北京中创时代科技有限公司 | Three-dimensional fiber woven composite pipeline and production method thereof |
| CN112391732B (en) * | 2020-10-27 | 2022-01-11 | 南京玻璃纤维研究设计院有限公司 | Three-dimensional woven special-shaped beam and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS277367B6 (en) * | 1990-12-29 | 1993-01-13 | Krajicek Milan | Three-layered vascular prosthesis |
| US5741332A (en) * | 1995-01-23 | 1998-04-21 | Meadox Medicals, Inc. | Three-dimensional braided soft tissue prosthesis |
| US6551352B2 (en) * | 2001-05-03 | 2003-04-22 | Bionx Implants, Inc. | Method for attaching axial filaments to a self expanding stent |
| EP1258229A1 (en) * | 2001-05-15 | 2002-11-20 | Vascular Technologies, Inc. | Flexible and elastic vascular stents and grafts |
| US7105021B2 (en) * | 2002-04-25 | 2006-09-12 | Scimed Life Systems, Inc. | Implantable textile prostheses having PTFE cold drawn yarns |
| CN102041635B (en) * | 2010-12-24 | 2013-09-18 | 河南科技大学 | Three-dimensional woven material based on space group P* |
| CN105063885B (en) * | 2015-07-17 | 2017-01-18 | 河南科技大学 | Three-dimensional braided material based on space group P4 symmetry |
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