WO2022179091A1 - 一种筒状双针床经编机 - Google Patents

一种筒状双针床经编机 Download PDF

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Publication number
WO2022179091A1
WO2022179091A1 PCT/CN2021/119115 CN2021119115W WO2022179091A1 WO 2022179091 A1 WO2022179091 A1 WO 2022179091A1 CN 2021119115 W CN2021119115 W CN 2021119115W WO 2022179091 A1 WO2022179091 A1 WO 2022179091A1
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Prior art keywords
needle
yarn
yarn guide
needles
bed
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PCT/CN2021/119115
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English (en)
French (fr)
Inventor
马丕波
蒋高明
丛洪莲
喻爽
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江南大学
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Publication of WO2022179091A1 publication Critical patent/WO2022179091A1/zh
Priority to US18/450,118 priority Critical patent/US20230383445A1/en

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B25/00—Warp knitting machines not otherwise provided for
    • D04B25/04—Milanese machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/20—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration
    • D04B21/202—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration warp knitted yarns
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/20—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B25/00—Warp knitting machines not otherwise provided for
    • D04B25/02—Tubular machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/06—Needle bars; Sinker bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/16—Warp beams; Bearings therefor
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Definitions

  • the invention relates to the technical field of textile processing and textile machinery, in particular to a cylindrical double needle bed warp knitting machine.
  • the two needle beds of the traditional double needle bed warp knitting machine are arranged in parallel, and the needle backs are arranged opposite to each other. .
  • the double needle bed warp knitting machine can make loops separately by one or more bars on the front and rear needle beds, and then connect the two pieces of fabric partially or completely by some bars.
  • double needle bed warp knitting machine has the characteristics of high production efficiency, various product types and rich patterns.
  • the main products of double needle bed warp knitting machine include underwear products, plush products, warp knitted spacer fabrics and warp knitted cylindrical fabrics.
  • the tubular knitted fabric has flexible weaving process and rich changes in structure and shape, which can not only reduce the waste and loss of raw materials caused by cutting, but also avoid the impact of stitching on the structure and performance of the fabric, greatly improving the Production efficiency and cost reduction. Because of its unique properties, it has greatly enriched the variety and application range of knitted products, which are widely used in automotive, medical, fire protection, oil transportation, aerospace and other fields.
  • the technical problem of the present invention is: at present, the tubular warp knitted fabrics knitted by the double needle bed warp knitting machine are all knitted on one plane, the structure is limited, and the product application is also greatly restricted. The technology of warp knitting machine combination is not mature enough.
  • the purpose of the present invention is to provide a cylindrical double needle bed warp knitting machine to make up for the development limitations of the traditional double needle bed warp knitting machine, simplify the production process of the three-dimensional fabric, shorten the production cycle, reduce the loss and waste of raw materials, and combine the three-dimensional fabric
  • a tubular double-needle-bed warp knitting machine includes a warp-feeding mechanism, a loop-forming mechanism, and a pulling and winding mechanism. Knitting needles arranged in a ring form on the needle bed and loop-forming parts that move in coordination with the knitting needles.
  • the knitting needle is a latch needle
  • the loop-forming mechanism that cooperates with the knitting needle includes a grid-shaped knock-off plate and a sinker, and the backs of the latch needles on the two annular needle beds are opposite to each other; the yarn guide needle is used for The yarn is introduced, the latch needle hooks the introduced yarn into a loop, and the grid-shaped knock-off plate and the sinker cooperate with the latch needle to move.
  • the inner and outer annular needles form the yarn into a circle, and the other part of the yarn guide needles along the annular radial direction. Synchronized expansion, contraction and arc traverse movement alternately in the annular radial direction.
  • the yarn is placed on the inner and outer annular needle beds to form a loop. Part or all of the two pieces of fabric formed on the inner and outer annular needle beds are connected to form a three-dimensional tubular fabric. , the formed three-dimensional tubular fabric gradually exits the braiding area through the pulling of the pulling and winding mechanism.
  • the yarn guide needles are arranged as three concentric circles in the inner, middle and outer circles, the three circle yarn guide needles synchronously perform periodic expansion, contraction and arc traverse movement, and the outer ring yarn guide needle is an outer annular needle bed.
  • the yarn is laid into a circle, the inner loop of the yarn guide needle is an inner ring needle, and the middle loop of the yarn guide needle alternately makes a yarn laying movement on the inner and outer loop needle beds to connect part or all of the two pieces of fabric.
  • the let-off mechanism includes a warp beam, a dividing reed and a tension bar, the warp beam is provided with a pan head, each of the four directions has a pair of warp beams, and each pair of warp beams has a pair of dividing reeds and a on the tension rod.
  • the present invention also provides a preparation method of a three-dimensional tubular fabric, which uses the above-mentioned cylindrical double-needle-bed warp knitting machine for knitting, comprising:
  • step S1 the method further includes: adjusting the distance between the needle beds of the outer annular needle bed and the inner annular needle bed according to the thickness requirement of the fabric.
  • the yarn is a natural fiber raw material or a chemical fiber raw material.
  • the natural fiber raw material is cotton yarn or blended yarn.
  • the chemical fiber raw material is polyester, polypropylene, nylon, acrylic or viscose.
  • the cylindrical double-needle-bed warp knitting machine of the present invention has great advantages, high production efficiency, breaks through the limitations of the traditional double-needle-bed warp knitting machine, and simplifies the three-dimensional
  • FIG. 1 is a schematic structural diagram of the loop-forming mechanism of the cylindrical double-needle-bed warp knitting machine of the present invention.
  • Fig. 2 is a partial detail view of the loop-forming mechanism of the cylindrical double-needle-bed warp knitting machine of the present invention
  • Fig. 3 is a schematic diagram of the feeding mechanism of the cylindrical double-needle-bed warp knitting machine of the present invention.
  • FIG. 4 is a schematic diagram of the movement of the bar of the cylindrical double-needle-bed warp knitting machine of the present invention.
  • outer ring needle bed 1-1 inner ring needle bed 1-2, outer needle 1-3, inner needle 1-4, yarn guide needle 1-5, yarn 1-6, grid stripping plate 1 -7, sinker 1-8, warp beam 2-1, pan head 2-2, reed 2-3, tension bar 2-4.
  • a cylindrical double-needle-bed warp knitting machine includes a let-off mechanism, a loop-forming mechanism and a pulling and winding mechanism.
  • the loop-forming mechanism includes yarn guide needles 1-5 arranged in a ring, inside and outside Arranged outer annular needle bed 1-1 and inner annular needle bed 1-2, outer needles 1-3 and inner needles 1-4 arranged annularly along the inner and outer annular needle beds, and a grid-shaped knock-off plate 1 corresponding to the knitting needle -7 and sinkers 1-8.
  • the needle backs of the latch needles on the two ring needle beds are opposite.
  • the thickness of the woven fabric is variable and can be adjusted by adjusting the distance between the inner and outer needle beds.
  • Guide needles 1-5 are used to introduce yarns 1-6, latch needles (1-3, 1-4) hook and loop the introduced yarns, grid-shaped knock-off plates 1-7 and sinkers 1- 8 Cooperate with the latch needle (1-2, 1-3) movement.
  • the yarn guide needles 1-5 are arranged as three concentric circles (GB1, GB2, GB3) in the inner, middle and outer circles, and the three circles of yarn guide needles perform periodic expansion, contraction and arc traverse movement synchronously.
  • the let-off mechanism includes a warp beam 2-1, a pan head 2-2, a yarn splitting reed 2-3, and a tension bar 2-4.
  • Each of the four directions has a pair of warp beams 2-1, and each pair of warp beams 2-1 is under the There are a pair of reeds 2-3 and a pair of tension rods 2-4 respectively to ensure the uniform tension of the yarns 1-6.
  • Each warp beam is controlled separately, easy to operate, and the amount of let-off can be precisely controlled.
  • Yarns 1-6 of predetermined lengths are respectively output from the pan heads 2-2 on the warp beams 2-1 in four different directions to the loop forming mechanism through the yarn separating reed 2-3 and the tension rod 2-4 in sequence.
  • the number and position of 2-2 pan heads can be adjusted according to specific needs.
  • the outer ring yarn guide needle GB1 is the outer ring needle bed 1-1 to lay the yarn into a loop
  • the inner ring yarn guide needle GB3 is the inner ring needle bed 1-2 to lay the yarn to form a loop
  • the yarn 1- output from the tension rod 2-4 6 Separately form circles on the inner and outer annular needle beds (1-1, 1-2), knit into pieces
  • the middle loop yarn guide needle GB2 alternately performs a yarn-laying movement on the inner and outer annular needle beds to remove part or all of the two pieces of fabric.
  • the formed three-dimensional tubular fabric is gradually withdrawn from the braiding area through the pulling of the pulling and winding mechanism, and new yarns are continuously fed in.
  • the cylindrical double-needle-bed warp knitting machine of the present invention is suitable for knitting natural fibers such as cotton yarn and blended yarn, and chemical fiber raw materials such as polyester, polypropylene, nylon, acrylic, and viscose.
  • the movements of the yarn guide needles 1-5 are all circular contraction, expansion and arc-shaped traverse movements, and the specific performance is as follows:
  • step 2 When the yarn guide needle swings in place, the knitting needle begins to descend, and the yarn guide needle performs a retracting motion (step 2) until the yarn guide needle returns to the position a; in this process, only GB1 and GB2 participate in the yarn laying, and GB3 should be the bar It only shrinks and expands and oscillates along the annular radial direction, and does not participate in the yarn laying;

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Abstract

一种筒状双针床经编机，包括送经机构、成圈机构和牵拉卷取机构，成圈机构包括排列成环形的导纱针（1-5）、内外排列的两个环形针床（1-1、1-2）和沿内外环形针床成环形排列的织针和与织针配合运动的成圈机件。导纱针（1-5）中的一部分分别为内、外环形针床（1-1、1-2）垫纱成圈，另一部分交替在内、外环形针床（1-1、1-2）上垫纱成圈将内、外环形针床（1-1、1-2）上形成的两片织物的局部或全部连接起来形成立体管状织物，形成的立体管状织物通过牵拉卷取机构的牵引逐渐退出编织区域。该筒状双针床经编机突破了传统双针床经编机的局限性，简化了立体管状双针床经编织物的生产流程，同时结合立体管状的优势，优化了产品性能，使经编产品适应于更广阔的市场，可广泛应用于多种领域。

Description

一种筒状双针床经编机 技术领域
本发明涉及纺织加工与纺织机械技术领域，具体涉及一种筒状双针床经编机。
背景技术
传统的双针床经编机两个针床平行排列，针背相对配置，是由成圈系统、送经系统、梳栉横移系统、牵拉卷取系统，集成控制系统和辅助装置等组成。双针床经编机可以通过一把/多把梳栉在前、后针床单独成圈，然后通过部分梳栉将两片织物局部或者全部连接起来。相比于纬编成型编织设备，双针床经编机具有生产效率高、产品种类多、花纹丰富的特点。双针床经编机主要产品包括内衣类产品、毛绒类产品、经编间隔织物以及经编圆筒织物等。
筒状针织物织造工艺灵活，组织结构和形状变化丰富，不仅可以减小由于裁剪所带来的原材料的浪费与损耗，而且可避免缝线对织物结构和性能所产生的影响，大大地提高了生产效率，降低了成本。因其独特性能，极大地丰富了针织产品的品种和应用范围，广泛应用于车用、医疗、消防、石油运输、航空航天等领域。
发明内容
[技术问题]
本发明的技术问题为：目前双针床经编机所编织出的管状经编织物均是在一个平面上进行编织的，结构受限，产品应用也受到极大限制，管状织物与双针床经编机结合的技术还不够成熟。
[技术方案]
本发明的目的是提供一种筒状双针床经编机，以弥补传统双针床经编机的发展局限，简化立体织物的生产流程，缩短生产周期，减少原料损耗与浪费，并结合立体管状的优势，改善经编产品的适用范围，使双针床经编产品适应于更广阔的市场。
为实现上述发明目的，本发明的技术方案具体如下：
一种筒状双针床经编机，包括送经机构、成圈机构和牵拉卷取机构，成圈机构包括排列成环形的导纱针、内外排列的两个环形针床和沿内外环形针床成环形排列的织针和与织针配合运动的成圈机件。
进一步的，所述织针为舌针，所述与织针配合运动的成圈机件包括栅状脱圈板和沉降片，两个环形针床上舌针的针背相对；导纱针用于引入纱线，舌针将引入的纱线钩入并成圈，栅状脱圈板和沉降片配合舌针运动。
进一步的，所述导纱针中的部分导纱针沿环形径向做周期性的扩张、收缩和弧线横移运动分别为内、外环形针床垫纱成圈，另一部分导纱针沿环状径向做同步的扩张、收缩和弧线横移运动交替在内、外环形针床上垫纱成圈将内、外环形针床上形成的两片织物的局部或全部连接起来形成立体管状织物，形成的立体管状织物通过牵拉卷取机构的牵引逐渐退出编织区域。
进一步的，所述导纱针排列为内、中、外三个同心圆圈，三圈导纱针同步进行周期性的扩张、收缩和弧线横移运动，外圈导纱针为外环形针床垫纱成圈，内圈导纱针为内环形针床垫纱成圈，中圈导纱针交替在内、外环形针床上做垫纱运动将两片织物的局部或全部连接起来。
进一步的，所述送经机构包括经轴、分纱筘和张力杆，经轴上具有盘头，四个方向各具有一对经轴，各对经轴下方分别具有一对分纱筘和一对张力杆。
本发明还提供了一种立体管状织物的制备方法，使用上述筒状双针床经编机进行编织，包括：
S1：当织针上升至最高位置，三圈导纱针扩张，当织针下降，三圈导纱针收缩至原位置，在此扩张-收缩周期中外圈导纱针、中圈导纱针参与垫纱，内圈导纱针不参与垫纱；
S2：织针再次上升至最高位置，三圈导纱针收缩，当织针再次下降，三圈导纱针扩张至原位置，在此收缩-扩张周期中内圈导纱针、中圈导纱针参与垫纱，外圈导纱针不参与垫纱；
S3：重复步骤S1-S2。
进一步的，步骤S1之前还包括：根据织物的厚度要求调整外环形针床与内环形针床针床之间的间距。
进一步的，所述纱线是天然纤维原料或化学纤维原料。
进一步的，所述天然纤维原料是棉纱或混纺纱。
进一步的，所述化学纤维原料是涤纶、丙纶、锦纶、腈纶或粘胶。
[有益效果]
与普通经编机/圆纬机相比，本发明的筒状双针床经编机具有很大的优越性，生产效率高，突破了传统双针床经编机的局限性，简化了立体管状双针床经编织物的生产流程，同时结合立体管状的优势，优化了产品性能，使经编产品适应于更广阔的市场，可广泛应用于车用、医疗、消防、建筑、运输、国防军事以及航空航天等领域。
附图说明
图1是本发明的筒状双针床经编机的成圈机件的结构示意图。
图2为本发明的筒状双针床经编机的成圈机件的局部细节图；
图3为本发明的筒状双针床经编机的送机机构的示意图。
图4为本发明的筒状双针床经编机的梳栉运动示意图。
图中，外环形针床1-1，内环形针床1-2，外针1-3，内针1-4，导纱针1-5，纱线1-6，栅状脱圈板1-7，沉降片1-8，经轴2-1，盘头2-2，分纱筘2-3，张力杆2-4。
具体实施方式
下面结合附图和实施例对本发明作进一步详细说明。
实施例1
如图1-3所示，一种筒状双针床经编机，包括送经机构、成圈机构和牵拉卷取机构，成圈机构包括排列成环形的导纱针1-5、内外排列的外环形针床1-1和内环形针床1-2、沿内外环形针床成环形排列的外针1-3、内针1-4和与织针对应的栅状脱圈板1-7和沉降片1-8。 两个环形针床上舌针的针背相对。所编织的织物厚度是可变的，可以通过调整内外针床之间的距离进行调节。
导纱针1-5用于引入纱线1-6，舌针(1-3、1-4)将引入的纱线钩入并成圈，栅状脱圈板1-7和沉降片1-8配合舌针(1-2、1-3)运动。导纱针1-5排列为内、中、外三个同心圆圈(GB1、GB2、GB3)，三圈导纱针同步进行周期性的扩张、收缩和弧线横移运动。
送经机构包括经轴2-1，盘头2-2，分纱筘2-3，张力杆2-4，四个方向各具有一对经轴2-1，各对经轴2-1下方分别具有一对分纱筘2-3和一对张力杆2-4，以保证纱线1-6张力均匀。各经轴单独控制，操作方便，送经量可精确控制。规定长度的纱线1-6分别从四个不同方向的经轴2-1上的盘头2-2依次经过分纱筘2-3和张力杆2-4输出至成圈机构。盘头2-2数量以及位置可根据具体需要进行调整。
外圈导纱针GB1为外环形针床1-1垫纱成圈，内圈导纱针GB3为内环形针床1-2垫纱成圈，从张力杆2-4输出的纱线1-6分别在内外环形针床(1-1、1-2)单独成圈，编织成片，中圈导纱针GB2交替在内、外环形针床上做垫纱运动将两片织物的局部或全部连接起来，形成立体管状织物，形成的立体管状织物通过牵拉卷取机构的牵引逐渐退出编织区域，新的纱线则不断送入。
本发明的筒状双针床经编机均适用于棉纱、混纺纱等天然纤维以及涤纶、丙纶、锦纶、腈纶、粘胶等化学纤维原料的编织。
如图4所示，成圈过程中，导纱针1-5(GB1、GB2、GB3)的运动皆为环状收缩、扩张和弧形横移运动，具体表现为：
S1：当织针上升至最高位置后，导纱针从位置a开始向外环状针床机1-1外摆动(图1步骤1)；
S2：当导纱针摆动到位后织针开始下降，导纱针做收缩运动(步骤2)，直至导纱针回到a位置；在此过程中只有GB1和GB2参与垫纱，GB3该梳栉只沿环状径向收缩和扩张摆动，不参与垫纱；
S3：织针又上升至最高位置，导纱针向内环形针床1-2内摆动做收缩运动(步骤3)；
S4：导纱针摆动到位后，织针开始下降，此时导纱针做扩张运动，回到位置a；在此过程中，只有GB2和GB3两把梳栉参与垫纱，GB1该梳栉只沿环状径向扩张和收缩摆动，不参与垫纱。
S5：重复步骤S1-S4。
本发明的保护范围并不仅局限于上述实施例，凡是在本发明构思的精神和原则之内，本领域的专业人员能够做出的任何修改、等同替换和改进等均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种筒状双针床经编机，包括送经机构、成圈机构和牵拉卷取机构，其特征在于，成圈机构包括排列成环形的导纱针、内外排列的两个环形针床、沿内外环形针床成环形排列的织针和与织针配合运动的成圈机件。
  2. 根据权利要求1所述的一种筒状双针床经编机，其特征在于，所述织针为舌针，所述与织针配合运动的成圈机件包括栅状脱圈板和沉降片，两个环形针床上舌针的针背相对；导纱针用于引入纱线，舌针将引入的纱线钩入并成圈，栅状脱圈板和沉降片配合舌针运动。
  3. 根据权利要求1所述的一种筒状双针床经编机，其特征在于，所述导纱针中的部分导纱针分别为内、外环形针床垫纱成圈，另一部分导纱针交替在内、外环形针床上垫纱成圈将内、外环形针床上形成的两片织物的局部或全部连接起来形成立体管状织物，形成的立体管状织物通过牵拉卷取机构的牵引逐渐退出编织区域。
  4. 根据权利要求1-3任一所述的一种筒状双针床经编机，其特征在于，所述导纱针排列为内、中、外三个同心圆圈，三圈导纱针同步进行周期性的扩张、收缩和弧线横移运动，外圈导纱针为外环形针床垫纱成圈，内圈导纱针为内环形针床垫纱成圈，中圈导纱针交替在内、外环形针床上做垫纱运动将两片织物的局部或全部连接起来。
  5. 根据权利要求1所述的一种筒状双针床经编机，其特征在于，所述送经机构包括经轴、分纱筘和张力杆，经轴上具有盘头，四个方向各具有一对经轴，各对经轴下方分别具有一对分纱筘和一对张力杆。
  6. 一种立体管状织物的制备方法，其特征在于，使用权利要求4中所述筒状双针床经编机进行编织，导纱针引入纱线，舌针将引入的纱线钩入并成圈，栅状脱圈板和沉降片配合舌针运动，其中：
    S1：当织针上升至最高位置，三圈导纱针扩张，当织针下降，三圈导纱针收缩至原位置，在此扩张-收缩周期中，外圈导纱针、中圈导纱针参与外环形针床的垫纱，内圈导纱针不参与垫纱；
    S2：织针再次上升至最高位置，三圈导纱针收缩，当织针再次下降，三圈导纱针扩张至原位置，在此收缩-扩张周期中内圈导纱针、中圈导纱针参与内环形针床的垫纱，外圈导纱针不参与垫纱；
    S3：重复步骤S1-S2。
  7. 根据权利要求6所述的一种立体管状织物的制备方法，其特征在于，所述步骤S1之前还包括：根据织物的厚度要求调整外环形针床与内环形针床之间的间距。
  8. 根据权利要求6所述的一种立体管状织物的制备方法，其特征在于，所述纱线是天然纤维原料或化学纤维原料。
  9. 根据权利要求8所述的一种立体管状织物的制备方法，其特征在于，所述天然纤维原料是棉纱或混纺纱。
  10. 根据权利要求8所述的一种立体管状织物的制备方法，其特征在于，所述化学纤维原料是涤纶、丙纶、锦纶、腈纶或粘胶。
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