CN114214779A - Method for lifting and pulling auxiliary weft yarns in double-sided cut pile weaving - Google Patents
Method for lifting and pulling auxiliary weft yarns in double-sided cut pile weaving Download PDFInfo
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- CN114214779A CN114214779A CN202111482271.1A CN202111482271A CN114214779A CN 114214779 A CN114214779 A CN 114214779A CN 202111482271 A CN202111482271 A CN 202111482271A CN 114214779 A CN114214779 A CN 114214779A
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- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
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Abstract
The invention provides a method for lifting and pulling auxiliary weft yarns in double-sided cut pile weaving, which comprises the following steps: arranging an auxiliary weft yarn lifting and pulling device comprising a rotating and pulling device and 2 auxiliary weft yarn lifting and pulling winding shafts; secondly, weaving base cloth; thirdly, the pile warp is connected with the upper and lower base cloth to be woven synchronously; fourthly, synchronously weaving the left auxiliary edges of the upper layer and the lower layer; fifthly, cutting velvet while weaving on the machine; and sixthly, the upper-layer auxiliary weft lifting and winding shaft and the lower-layer auxiliary weft lifting and winding shaft are matched with a rotary puller to pull the upper-layer left auxiliary edge and the lower-layer auxiliary weft, so that the cut corresponding pile is lifted and pulled from the cut pile surface to the opposite surface of the cut pile surface to form a weft-pulling cut pile surface, and the double-sided cut pile velvet grey cloth is formed. The auxiliary weft yarn lifting device is arranged to replace the existing manual weft yarn lifting device to assist in lifting and pulling the weft yarns, so that the double-sided cut pile production cost is low, the efficiency is high, the quality is good, and the technical bottleneck problem of restricting the double-sided cut pile production caused by manual lifting and pulling of the auxiliary weft yarns in the prior art is effectively solved.
Description
Technical Field
The invention relates to a weaving method of double-sided cut pile grey cloth in the field of spinning, in particular to a method for lifting and pulling auxiliary weft yarns in double-sided cut pile weaving.
Background
The double-sided velvet in the market is napped, ground plush, double-sided cut plush and the like according to different production processes, the napped and ground plush are both formed by breaking yarn fibers to the surface through napping and grinding, and due to the fact that no base is fixed, the problems that napping is easy to fall off, and the napped is difficult to tidy and attractive after washing exist, and the napped and ground plush is fixed on the base cloth of the double-sided plush in a neat and uniform N type or W type, so that the napped and ground plush is not easy to fall off and is not afraid of washing and even more beautiful after washing, the defects of the napped and ground plush are well overcome, and the double-sided plush is well favored by consumers. The existing double-sided cut pile is formed by pulling half pile of a cut pile surface to the opposite other surface of the cut pile surface in a lifting and pulling mode after cutting pile by utilizing specially arranged auxiliary weft yarns in the conventional velvet weaving process, and the conventional working procedure of lifting and pulling the auxiliary weft yarns is implemented manually, so that the problems are two: firstly, more labor is needed, the labor cost is higher, and the production efficiency is lower; secondly, in the process of manually lifting and pulling the auxiliary weft yarns, the operation postures of workers cannot be kept the same all the time, and the different postures can cause the directions of piles pulled from the cut pile surfaces to be different, so that the luster and the quality of the pile surfaces are influenced, and the mode of manually lifting and pulling the auxiliary weft yarns limits the further improvement of the quality of the double-sided cut pile. Therefore, how to use machinery to replace manual lifting and pulling auxiliary weft to solve the technical bottleneck in the production of double-sided cut pile becomes a technical problem to be solved urgently in the industry.
Disclosure of Invention
The purpose of the invention is: the method is characterized in that in the double-sided cut pile weaving process, the method replaces manual lifting auxiliary weft yarns in the prior art with machinery so as to solve the technical bottleneck in double-sided cut pile production.
The technical scheme of the invention is as follows: in order to realize the purpose, the method for pulling the auxiliary weft yarns in the double-sided cut pile weaving process is implemented by adopting the following steps:
arranging an auxiliary weft lifting and pulling device: an upper-layer auxiliary weft yarn lifting and pulling winding shaft and a lower-layer auxiliary weft yarn lifting and pulling winding shaft are respectively arranged above and below a weaving machine swing table in a mode of inclining from the upper left corner to the lower right corner, a servo motor for synchronously driving the upper-layer auxiliary weft yarn lifting and pulling winding shaft to rotate clockwise and the lower-layer auxiliary weft yarn lifting and pulling winding shaft to rotate anticlockwise is arranged on the left side of the upper-layer auxiliary weft yarn lifting and pulling winding shaft, a storage box is arranged on the right side of the upper-layer auxiliary weft yarn lifting and pulling winding shaft, and a rotating and pulling device is arranged between the right side of the upper-layer auxiliary weft yarn lifting and pulling winding shaft and the storage box;
secondly, weaving base cloth: in each unit, weaving an upper layer base cloth and a lower layer base cloth by a weaving machine at the same time;
thirdly, the pile warp is connected with the upper and lower layers of base cloth to be woven synchronously: in each unit, when the upper-layer base cloth and the lower-layer base cloth are woven, first to fourth pile warps, upper-layer auxiliary weft yarns and lower-layer auxiliary weft yarns are respectively arranged, the first pile warps and the second pile warps are fixedly woven with the upper-layer base cloth and the lower-layer base cloth and the upper-layer auxiliary weft yarns and the lower-layer auxiliary weft yarns, and the third pile warps and the fourth pile warps are fixedly woven with the upper-layer base cloth and the lower-layer base cloth;
fourthly, synchronously weaving the left auxiliary edge of the upper layer and the lower layer: when the upper-layer base cloth and the lower-layer base cloth are woven, upper-layer auxiliary warp yarns and lower-layer auxiliary warp yarns are arranged on the left side respectively, and are interwoven in a warp-weft manner to form an upper-layer left auxiliary edge and a lower-layer auxiliary warp yarn and a lower-layer auxiliary weft yarn to form a lower-layer left auxiliary edge;
weaving edge cut pile on the machine: in the weaving process of the first to fourth steps, the first to fourth pile warps connected between the upper layer base cloth and the lower layer base cloth are cut off in the middle by using a pile cutting knife on a weaving machine; the pile heads of the first and second cut pile warps positioned at the upper and lower sides are respectively hung on the upper-layer auxiliary weft yarns and the lower-layer auxiliary weft yarns; the cut pile faces of the upper layer double-sided cut pile and the lower layer double-sided cut pile are respectively formed by the cut pile faces of the cut third pile warp and the cut fourth pile warp which are positioned at the upper side and the lower side;
sixthly, forming a weft pulling cut pile surface by lifting and pulling auxiliary weft yarns: the left auxiliary edge of the upper layer and the left auxiliary edge of the lower layer and the auxiliary weft yarn of the upper layer and the lower layer are pulled to gradually enter the storage box by utilizing the matching of the lifting and winding shaft of the upper auxiliary weft yarn and the lifting and winding shaft of the lower auxiliary weft yarn and the rotating and pulling device, and the pile heads of the first pile warp and the second pile warp which are cut and positioned at the upper side and the lower side are correspondingly lifted and pulled to the upper end surface of the upper base cloth and the lower end surface of the lower base cloth by the auxiliary weft yarn of the upper layer and the auxiliary weft yarn of the lower layer, so that a weft pulling cut pile surface of the upper double-faced cut pile and a weft pulling cut pile surface of the lower double-faced pile are correspondingly formed; thus obtaining the double-sided cut velvet grey cloth with 2 rolls of the upper double-sided cut velvet and the lower double-sided cut velvet.
The further scheme is as follows: the step sixthly comprises the following specific steps:
firstly, respectively bringing the respective ends of an upper layer left auxiliary edge and a lower layer left auxiliary edge into an upper layer auxiliary weft yarn lifting and winding shaft and a lower layer auxiliary weft yarn lifting and winding shaft in a weaving process;
secondly, starting a servo motor and a rotating and pulling device, wherein the servo motor drives the upper layer auxiliary weft yarn lifting and pulling weft winding shaft to rotate clockwise and the lower layer auxiliary weft yarn lifting and pulling weft winding shaft to rotate anticlockwise;
thirdly, the upper layer left auxiliary edge continuously weaved by the loom is reeled by clockwise rotation of the upper layer auxiliary weft yarn lifting and reeling weft shaft, the reeled upper layer left auxiliary edge drives the upper layer auxiliary weft yarn to be reeled onto the upper layer auxiliary weft yarn lifting and reeling weft shaft, the reeled upper layer auxiliary weft yarn drives the first pile warp and the second pile warp which are hung on the upper layer auxiliary weft yarn and cut off to be lifted and pulled from the lower end of the upper layer base cloth to the upper end of the upper layer base cloth by the piles on the upper side, and the weft pulling and cutting pile face of the upper layer double-faced cut pile is formed;
the lower-layer left auxiliary edge continuously weaved by the loom is continuously reeled by the anticlockwise rotation of the lower-layer auxiliary weft lifting and reeling shaft, the reeled lower-layer left auxiliary edge drives the lower-layer auxiliary weft to be reeled onto the lower-layer auxiliary weft lifting and reeling shaft, and the reeled lower-layer auxiliary weft drives the pile heads of the second pile warp and the first pile warp which are hung on the lower-layer auxiliary weft and are cut off to be lifted and pulled from the upper end of the lower-layer base cloth to the lower end of the lower-layer base cloth from the lower end of the lower-layer base cloth, so that a lower-layer double-faced cut pile pulling and cutting surface is formed;
the upper layer left auxiliary edge and the upper layer auxiliary weft yarn wound on the upper layer auxiliary weft yarn lifting and pulling winding shaft, and the lower layer left auxiliary edge and the lower layer auxiliary weft yarn wound on the lower layer auxiliary weft yarn lifting and pulling winding shaft are continuously pulled into the storage box by the rotating and pulling device.
The further scheme is as follows: in the step I, the upper layer auxiliary weft yarn winding shaft and the lower layer auxiliary weft yarn lifting and pulling winding shaft are chrome plating smooth rollers with the diameter of 25 mm.
The further scheme is as follows: the rotating and pulling device in the step I is a pair of meshing gears driven by a motor.
The further scheme is as follows: the method of the invention also comprises the following steps: and seventhly, after finishing: and (4) performing after-treatment including dyeing, carding, brushing and shaping on the double-sided cut velvet grey cloth obtained in the step (c) to (c), so as to obtain the double-sided cut velvet cloth.
The further scheme is as follows: in the second step, the upper-layer base fabric is formed by interweaving first warp yarns and second warp yarns of the upper layer with first weft yarns to third weft yarns of the upper layer by a weaving machine; the lower base cloth is formed by interweaving first and second warp yarns and first to third weft yarns of the lower layer in a warp-weft mode through a weaving machine.
The further scheme is as follows: in the third step, the upper layer auxiliary weft yarns and the lower layer auxiliary weft yarns respectively comprise upper layer first and second auxiliary weft yarns and lower layer first and second auxiliary weft yarns; the first pile warp is sequentially interwoven with the first auxiliary weft yarn at the upper layer, the first weft yarn to the third weft yarn at the upper layer and the second auxiliary weft yarn at the upper layer in a warp-weft mode, then returns to the lower layer to be sequentially interwoven with the first auxiliary weft yarn at the lower layer, the first weft yarn to the third weft yarn at the lower layer and the second auxiliary weft yarn at the lower layer in a warp-weft mode, and returns to the upper layer again to continue to weave back and forth;
the second pile warp is sequentially interwoven with the first auxiliary weft yarn at the lower layer, the first weft yarn to the third weft yarn at the lower layer and the second auxiliary weft yarn at the lower layer, then returns to the upper layer to be interwoven with the first auxiliary weft yarn at the upper layer, the first weft yarn to the third weft yarn at the upper layer and the second auxiliary weft yarn at the upper layer, and returns to the lower layer again to continue to weave back and forth;
the third pile warp is firstly sequentially interwoven with the first to third weft yarns on the upper layer in a warp-weft mode, then returns to the lower layer to be interwoven with the first to third weft yarns on the lower layer in a warp-weft mode, and returns to the upper layer again to continue to weave back and forth;
the fourth pile warp is firstly sequentially interwoven with the first weft yarns, the second weft yarns, the third weft yarns, the fourth pile warp and the fourth pile warp in sequence, then returns to the upper layer to be interwoven with the first weft yarns, the second weft yarns, the third weft yarns, the fourth pile warp and the fourth pile warp in sequence, and then returns to the lower layer to continue to weave back and forth.
The further scheme is as follows: in the fourth step, the upper auxiliary warp and the lower auxiliary warp respectively include upper first and second auxiliary warps and lower first and second auxiliary warps; during weaving, the first and second auxiliary warp yarns on the upper layer and the first and second auxiliary weft yarns on the upper layer are interwoven with the first and second auxiliary weft yarns on the left side of the base fabric on the upper layer in a warp-weft mode to form an upper left auxiliary edge; and the first and second auxiliary warp yarns of the lower layer and the first and second auxiliary weft yarns of the lower layer are interwoven in the left side of the lower-layer base fabric in a warp-weft mode to form a left auxiliary edge of the lower layer.
The invention has the positive effects that: according to the method for lifting and pulling the auxiliary weft yarns in the double-sided cut pile weaving process, the auxiliary weft yarn lifting and pulling device is arranged to replace manual lifting and pulling work of the auxiliary weft yarns in the prior art in the double-sided cut pile weaving process, so that the problems that in the prior art, labor cost is high, production efficiency is low due to manual lifting and pulling of the auxiliary weft yarns, and gloss and quality of a pile face are affected due to inconsistent pile lifting and pulling directions caused by manual lifting and pulling of the auxiliary weft yarns are solved, and the technical bottleneck problem that the double-sided cut pile production is restricted in the prior art is solved.
Drawings
FIG. 1 is a schematic structural view of 2 double-face cut velour greige goods in total, with an upper layer and a lower layer, simultaneously knitted by the method of the present invention;
FIG. 2 is a schematic structural diagram of a weave of double-sided cut pile;
FIG. 3 is a schematic diagram of a transverse structure of double-sided cut pile during weaving;
FIG. 4 is a schematic view of the auxiliary weft lifting device for lifting and pulling the auxiliary weft during the double-sided cut pile weaving process.
The reference numbers in the above figures are as follows:
the upper-layer base fabric 1 comprises upper-layer warp yarns J1, upper-layer first warp yarns J11, upper-layer second warp yarns J12, upper-layer weft yarns W1, upper-layer first weft yarns W11, upper-layer second weft yarns W12, upper-layer third weft yarns W13, upper-layer auxiliary warp yarns JF1, upper-layer first auxiliary warp yarns JF11, upper-layer second auxiliary warp yarns JF12, upper-layer auxiliary weft yarns WF1, upper-layer first auxiliary weft yarns WF11 and upper-layer second auxiliary weft yarns WF 12;
the lower-layer base fabric 2 comprises lower-layer warp yarns J2, lower-layer first warp yarns J21, lower-layer second warp yarns J22, lower-layer weft yarns W2, lower-layer first weft yarns W21, lower-layer second weft yarns W22, lower-layer third weft yarns W23, lower-layer auxiliary warp yarns JF2, lower-layer first auxiliary warp yarns JF21, lower-layer second auxiliary warp yarns JF22, lower-layer auxiliary weft yarns WF2, lower-layer first auxiliary weft yarns WF21 and lower-layer second auxiliary weft yarns WF 22;
a pile warp R, a first pile warp R1, a second pile warp R2, a third pile warp R3 and a fourth pile warp R4;
a cut pile surface 3 of the upper double-sided cut pile; the weft pulling cut pile surface 4 of the upper double-sided cut pile; a cut pile surface 5 of the lower double-sided cut pile; the weft pulling cut pile surface 6 of the lower double-sided cut pile; a velvet cutting knife 7; a servo motor 8; the upper layer assists the weft yarn to lift and pull the weft winding shaft 9; a rotary puller 10; a storage box 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
(example 1)
Referring to fig. 1 to 3, the method of pulling auxiliary weft in the double-sided cut pile weaving of the present embodiment is described by taking three-weft double-W consolidated double-sided cut pile as an example.
The relevant terms in this example are defined as follows:
upper base fabric 1: the fabric is formed by interweaving an upper layer warp yarn J1 and an upper layer weft yarn W1; specifically, the upper base fabric 1 is formed by interweaving the upper first warp yarn J11 and the upper second warp yarn J12 with the upper first weft yarn W11, the upper second weft yarn W12, and the upper third weft yarn W13.
Upper left auxiliary edge: the fabric is formed by interweaving upper auxiliary warp JF1 and upper auxiliary weft WF1 in a warp-weft mode; specifically, the upper left auxiliary side is formed by interweaving the upper first auxiliary warp JF11 and the upper second auxiliary warp JF12 with the upper first auxiliary weft WF11 and the upper second auxiliary weft WF12 in a warp and weft manner.
Lower base fabric 2: the warp yarn is formed by interweaving a lower layer warp yarn J2 and a lower layer weft yarn W2; specifically, the lower base fabric 2 is formed by interweaving the lower first warp yarn J21 and the lower second warp yarn J22 with the lower first weft yarn W21, the lower second weft yarn W22, and the lower third weft yarn W23.
Lower left auxiliary edge: the fabric is formed by interweaving a lower auxiliary warp JF2 and a lower auxiliary weft WF2 in a warp and weft mode; specifically, the lower left auxiliary side is formed by interweaving the lower first auxiliary warp JF21 and the lower second auxiliary warp JF22 with the lower first auxiliary weft WF21 and the lower second auxiliary weft WF22 in a warp and weft manner.
Cutting a suede: the pile is composed of half of pile warp R which is not lifted and pulled in the pile warp R cut by the pile cutting knife 7 from the pile warp R between the upper base cloth 1 and the lower base cloth 2, wherein the pile warp R is fixedly woven with the upper base cloth 1 and the lower base cloth 2 and connects the upper base cloth 1 and the lower base cloth 2. Specifically, the cut pile surface 3 of the upper double-sided cut pile is composed of piles of a plurality of cut third pile warps R3 and fourth pile warps R4 which are positioned at the lower end of the upper base cloth 1; the cut pile face 5 of the lower double-sided cut pile is composed of piles of a plurality of cut fourth pile warps R4 and third pile warps R3 which are positioned at the upper end of the lower base cloth 2.
Pulling weft and cutting suede: the pile warp R is fixedly woven with an upper base cloth 1 and a lower base cloth 2, is also interwoven with special auxiliary weft yarns in the weaving process, is cut from the space between the upper base cloth 1 and the lower base cloth 2 by a pile cutting knife 7, and is formed by lifting and pulling the pile head of the cut part of the pile warp R to the other side relative to the cut surface through lifting and pulling the auxiliary weft yarns. Specifically, the weft pulling and cutting pile face 4 of the upper double-sided cut pile is composed of piles of a plurality of cut first pile warp yarns R1 and second pile warp yarns R2 which are brought to the upper end of the upper base cloth 1 by utilizing the lifting and pulling of the upper first auxiliary weft yarns WF11 and the upper second auxiliary weft yarns WF 12; the weft pulling cut pile surface 6 of the lower double-sided cut pile is composed of piles of a plurality of cut second pile warp yarns R2 and first pile warp yarns R1 which are brought to the lower end of the lower base fabric 2 by pulling and pulling the lower first auxiliary weft yarns WF21 and the lower second auxiliary weft yarns WF 22.
Referring to fig. 1 to 4, the method for pulling auxiliary weft yarns in double-sided cut pile weaving according to the present embodiment is implemented according to the following steps:
arranging an auxiliary weft lifting and pulling device: referring to fig. 4, an upper layer auxiliary weft yarn lifting and winding shaft 9 and a lower layer auxiliary weft yarn lifting and winding shaft (not shown in fig. 4 because of being in an up-and-down overlapping position with the upper layer auxiliary weft yarn lifting and winding shaft 9) are respectively arranged above and below the weaving machine swing-table in a manner of inclining from the upper left corner to the lower right corner; a servo motor 8 for synchronously driving the upper-layer auxiliary weft lifting-pulling winding shaft 9 to rotate clockwise and the lower-layer auxiliary weft lifting-pulling winding shaft to rotate anticlockwise is arranged on the left side of the upper-layer auxiliary weft lifting-pulling winding shaft 9; a storage box 11 is arranged at the right side of the upper layer auxiliary weft yarn lifting and winding shaft 9, and a rotary puller 10 for pulling the auxiliary side and the auxiliary weft yarn into the storage box 11 is arranged between the right side of the upper layer auxiliary weft yarn lifting and winding shaft 9 and the storage box 11.
In this embodiment, both the upper layer weft winding shaft 9 and the lower layer weft winding shaft are chrome plated smooth rollers with a diameter of 25 mm. The rotary puller 10 employs a pair of meshing gears driven by a motor.
Secondly, weaving base cloth: in each unit, weaving an upper base fabric 1 by interweaving an upper first warp yarn J11 and an upper second warp yarn J12 with an upper first weft yarn W11, an upper second weft yarn W12 and an upper third weft yarn W13 by a weaving machine; weaving the lower layer base fabric 2 by interweaving the lower layer first warp yarn J21 and the lower layer second warp yarn J22 with the lower layer first weft yarn W21, the lower layer second weft yarn W22 and the lower layer third weft yarn W23;
thirdly, the pile warp is connected with the upper and lower layers of base cloth to be woven synchronously: in each unit, when the upper base fabric 1 and the lower base fabric 2 are woven, an upper layer first auxiliary weft WF11, an upper layer second auxiliary weft WF12, a lower layer first auxiliary weft WF21 and a lower layer second auxiliary weft WF22 are respectively arranged; the arranged pile warps R comprise a first pile warp R1, a second pile warp R2, a third pile warp R3 and a fourth pile warp R4.
The first pile warp R1 is firstly sequentially interwoven with the upper-layer first auxiliary weft yarn WF11, the upper-layer first weft yarn W11, the upper-layer second weft yarn W12, the upper-layer third weft yarn W13 and the upper-layer second auxiliary weft yarn WF12 in a longitudinal and latitudinal mode, then returns to the lower layer to be interwoven with the lower-layer first auxiliary weft yarn WF21, the lower-layer first weft yarn W21, the lower-layer second weft yarn W22, the lower-layer third weft yarn W23 and the lower-layer second auxiliary weft yarn WF22 in a longitudinal and latitudinal mode, returns to the upper layer again to continue to be woven in a reciprocating mode.
The second pile warp R2 is sequentially interwoven with the first auxiliary weft WF21, the first weft W21, the second weft W22, the third weft W23 and the second auxiliary weft WF22 in the lower layer in a warp-weft manner, then returns to the upper layer to be interwoven with the first auxiliary weft WF11, the first weft W11, the second weft W12, the third weft W13 and the second auxiliary weft WF12 in the upper layer in a warp-weft manner, and returns to the lower layer again to continue to weave in a reciprocating manner.
The third pile warp R3 is sequentially interwoven with the upper layer first weft yarn W11, the upper layer second weft yarn W12 and the upper layer third weft yarn W13 in a warp-weft mode, then returns to the lower layer to be interwoven with the lower layer first weft yarn W21, the lower layer second weft yarn W22 and the lower layer third weft yarn W23 in a warp-weft mode, and returns to the upper layer again to continue to weave back and forth.
The fourth pile warp R4 is sequentially interwoven with the first weft yarn W21, the second weft yarn W22 and the third weft yarn W23 in the lower layer in a warp-weft mode, then returns to the upper layer to be interwoven with the first weft yarn W11, the second weft yarn W12 and the third weft yarn W13 in the upper layer in a warp-weft mode, and returns to the lower layer again to continue to weave in a reciprocating mode.
Fourthly, synchronously weaving the left auxiliary edge of the upper layer and the lower layer: the left sides of the upper-layer base cloth 1 and the lower-layer base cloth 2 are respectively provided with an upper-layer first auxiliary warp JF11, an upper-layer second auxiliary warp JF12, a lower-layer first auxiliary warp JF21 and a lower-layer second auxiliary warp JF22, and the upper-layer first auxiliary warp JF11 and the upper-layer second auxiliary warp JF12, an upper-layer first auxiliary weft WF11 and an upper-layer second auxiliary weft WF12 are interwoven in a warp-weft mode on the left side of the upper-layer base cloth 1 to form an upper-layer left auxiliary edge; the lower layer first auxiliary warp JF21 and the lower layer second auxiliary warp JF22 are interwoven with the lower layer first auxiliary weft WF21 and the lower layer second auxiliary weft WF22 at the left side of the lower layer base fabric 2 to form a lower layer left auxiliary edge.
Weaving edge cut pile on the machine: during the weaving process of the first to fourth layers, a first pile warp R1, a second pile warp R2, a third pile warp R3 and a fourth pile warp R4 which are connected between the upper layer base cloth 1 and the lower layer base cloth 2 are cut off in the middle by a pile cutting knife 7 on a weaving machine; the piles of the first pile warp R1 and the second pile warp R2 which are cut off are respectively hung on the upper auxiliary weft WF1 and the lower auxiliary weft WF 2; the pile faces of the cut third pile warp R3 and the cut fourth pile warp R4 positioned at the upper side and the lower side respectively form a cut pile face 3 of the upper double-faced cut pile and a cut pile face 5 of the lower double-faced cut pile.
Sixthly, forming a weft pulling cut pile surface by lifting and pulling auxiliary weft yarns: pulling the left auxiliary side of the upper layer and the lower layer by using an auxiliary weft yarn lifting device to lift and pull the auxiliary weft yarns of the upper layer and the lower layer, and correspondingly lifting and pulling piles respectively cut by a first pile warp R1 and a second pile warp R2 which are interwoven with the auxiliary weft yarns to the upper end surface of the upper layer base cloth 1 and the lower end surface of the lower layer base cloth 2 through the auxiliary weft yarns to correspondingly form a weft pulling cut pile surface 4 of the upper layer double-sided cut pile and a weft pulling cut pile surface 6 of the lower layer double-sided cut pile; the method specifically comprises the following steps:
firstly, in the weaving process of a weaving machine, the end of the left auxiliary edge of the upper layer is put into the upper layer auxiliary weft yarn lifting and pulling weft winding shaft 9; and bringing the end of the left auxiliary edge of the lower layer into the lower layer auxiliary weft yarn lifting and pulling weft winding shaft.
Secondly, starting the servo motor 8 and the rotating and pulling device 10, wherein the servo motor 8 drives the upper layer auxiliary weft yarn lifting and pulling winding shaft 9 to rotate clockwise and the lower layer auxiliary weft yarn lifting and pulling winding shaft to rotate anticlockwise;
thirdly, the upper layer left auxiliary edge continuously weaved by the loom is reeled by the clockwise rotation of the upper layer auxiliary weft yarn lifting and rolling weft shaft 9, the reeled upper layer left auxiliary edge drives the upper layer auxiliary weft yarn WF1 to be reeled onto the upper layer auxiliary weft yarn lifting and rolling weft shaft 9, and the reeled upper layer auxiliary weft yarn WF1 drives the first pile warp R1 and the second pile warp R2 which are cut and hung on the upper layer auxiliary weft yarn WF1 to be lifted and pulled from the lower end of the upper layer base cloth 1 to the upper end of the upper layer base cloth 1, so as to form a pulling and cutting pile surface 4 with upper layer double-sided cutting pile;
meanwhile, the lower-layer left auxiliary edge continuously weaved by the loom is continuously reeled by the counterclockwise rotation of the lower-layer auxiliary weft yarn lifting and reeling shaft, the reeled lower-layer left auxiliary edge drives the lower-layer auxiliary weft yarn WF2 to be reeled onto the lower-layer auxiliary weft yarn lifting and reeling shaft, and the reeled lower-layer auxiliary weft yarn WF2 drives the piles of the second pile warp R2 and the first pile warp R1 which are cut off and hung on the lower-layer auxiliary weft yarn WF2 to be lifted and pulled from the upper end of the lower-layer base cloth 2 to the lower end of the lower-layer base cloth 2, so that the weft pulling and cutting pile face 6 of the lower-layer double-faced cut pile is formed;
the upper layer left auxiliary edge and the upper layer auxiliary weft WF1 which are rolled on the upper layer auxiliary weft lifting and pulling winding shaft 9, and the lower layer left auxiliary edge and the lower layer auxiliary weft WF2 which are rolled on the lower layer auxiliary weft lifting and pulling winding shaft are continuously pulled into the containing box 11 by the rotating and pulling device 10 for recycling; after finishing, 2 rolls of double-sided cut velvet grey cloth with the upper layer and the lower layer of double-sided cut velvet shown in figure 1 can be obtained.
And seventhly, after finishing: and (4) performing after-treatment including dyeing, carding, brushing and shaping on the double-sided cut velvet grey cloth obtained in the step (c) to (c), so as to obtain the double-sided cut velvet cloth.
The above embodiments are illustrative of specific embodiments of the present invention, and are not restrictive of the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention to obtain corresponding equivalent technical solutions, and therefore all equivalent technical solutions should be included in the scope of the present invention.
Claims (8)
1. A method for lifting and pulling auxiliary weft yarns in double-sided cut pile weaving is characterized in that: the method comprises the following steps:
arranging an auxiliary weft lifting and pulling device: an upper-layer auxiliary weft yarn lifting and pulling winding shaft and a lower-layer auxiliary weft yarn lifting and pulling winding shaft are respectively arranged above and below a weaving machine swing table in a mode of inclining from the upper left corner to the lower right corner, a servo motor for synchronously driving the upper-layer auxiliary weft yarn lifting and pulling winding shaft to rotate clockwise and the lower-layer auxiliary weft yarn lifting and pulling winding shaft to rotate anticlockwise is arranged on the left side of the upper-layer auxiliary weft yarn lifting and pulling winding shaft, a storage box is arranged on the right side of the upper-layer auxiliary weft yarn lifting and pulling winding shaft, and a rotating and pulling device is arranged between the right side of the upper-layer auxiliary weft yarn lifting and pulling winding shaft and the storage box;
secondly, weaving base cloth: in each unit, weaving an upper layer base cloth and a lower layer base cloth by a weaving machine at the same time;
thirdly, the pile warp is connected with the upper and lower layers of base cloth to be woven synchronously: in each unit, when the upper-layer base cloth and the lower-layer base cloth are woven, first to fourth pile warps, upper-layer auxiliary weft yarns and lower-layer auxiliary weft yarns are respectively arranged, the first pile warps and the second pile warps are fixedly woven with the upper-layer base cloth and the lower-layer base cloth and the upper-layer auxiliary weft yarns and the lower-layer auxiliary weft yarns, and the third pile warps and the fourth pile warps are fixedly woven with the upper-layer base cloth and the lower-layer base cloth;
fourthly, synchronously weaving the left auxiliary edge of the upper layer and the lower layer: when the upper-layer base cloth and the lower-layer base cloth are woven, upper-layer auxiliary warp yarns and lower-layer auxiliary warp yarns are arranged on the left side respectively, and are interwoven in a warp-weft manner to form an upper-layer left auxiliary edge and a lower-layer auxiliary warp yarn and a lower-layer auxiliary weft yarn to form a lower-layer left auxiliary edge;
weaving edge cut pile on the machine: in the weaving process of the first to fourth steps, the first to fourth pile warps connected between the upper layer base cloth and the lower layer base cloth are cut off in the middle by using a pile cutting knife on a weaving machine; the pile heads of the first and second cut pile warps positioned at the upper and lower sides are respectively hung on the upper-layer auxiliary weft yarns and the lower-layer auxiliary weft yarns; the cut pile faces of the upper layer double-sided cut pile and the lower layer double-sided cut pile are respectively formed by the cut pile faces of the cut third pile warp and the cut fourth pile warp which are positioned at the upper side and the lower side;
sixthly, forming a weft pulling cut pile surface by lifting and pulling auxiliary weft yarns: the left auxiliary edge of the upper layer and the left auxiliary edge of the lower layer and the auxiliary weft yarn of the upper layer and the lower layer are pulled to gradually enter the storage box by utilizing the matching of the lifting and winding shaft of the upper auxiliary weft yarn and the lifting and winding shaft of the lower auxiliary weft yarn and the rotating and pulling device, and the pile heads of the first pile warp and the second pile warp which are cut and positioned at the upper side and the lower side are correspondingly lifted and pulled to the upper end surface of the upper base cloth and the lower end surface of the lower base cloth by the auxiliary weft yarn of the upper layer and the auxiliary weft yarn of the lower layer, so that a weft pulling cut pile surface of the upper double-faced cut pile and a weft pulling cut pile surface of the lower double-faced pile are correspondingly formed; thus obtaining the double-sided cut velvet grey cloth with 2 rolls of the upper double-sided cut velvet and the lower double-sided cut velvet.
2. The method of claim 1 for pulling an auxiliary weft yarn in double-face cut pile weaving, characterized in that: the step sixthly comprises the following specific steps:
firstly, respectively bringing the respective ends of an upper layer left auxiliary edge and a lower layer left auxiliary edge into an upper layer auxiliary weft yarn lifting and winding shaft and a lower layer auxiliary weft yarn lifting and winding shaft in a weaving process;
secondly, starting a servo motor and a rotating and pulling device, wherein the servo motor drives the upper layer auxiliary weft yarn lifting and pulling weft winding shaft to rotate clockwise and the lower layer auxiliary weft yarn lifting and pulling weft winding shaft to rotate anticlockwise;
thirdly, the upper layer left auxiliary edge continuously weaved by the loom is reeled by clockwise rotation of the upper layer auxiliary weft yarn lifting and reeling weft shaft, the reeled upper layer left auxiliary edge drives the upper layer auxiliary weft yarn to be reeled onto the upper layer auxiliary weft yarn lifting and reeling weft shaft, the reeled upper layer auxiliary weft yarn drives the first pile warp and the second pile warp which are hung on the upper layer auxiliary weft yarn and cut off to be lifted and pulled from the lower end of the upper layer base cloth to the upper end of the upper layer base cloth by the piles on the upper side, and the weft pulling and cutting pile face of the upper layer double-faced cut pile is formed;
the lower-layer left auxiliary edge continuously weaved by the loom is continuously reeled by the anticlockwise rotation of the lower-layer auxiliary weft lifting and reeling shaft, the reeled lower-layer left auxiliary edge drives the lower-layer auxiliary weft to be reeled onto the lower-layer auxiliary weft lifting and reeling shaft, and the reeled lower-layer auxiliary weft drives the pile heads of the second pile warp and the first pile warp which are hung on the lower-layer auxiliary weft and are cut off to be lifted and pulled from the upper end of the lower-layer base cloth to the lower end of the lower-layer base cloth from the lower end of the lower-layer base cloth, so that a lower-layer double-faced cut pile pulling and cutting surface is formed;
the upper layer left auxiliary edge and the upper layer auxiliary weft yarn wound on the upper layer auxiliary weft yarn lifting and pulling winding shaft, and the lower layer left auxiliary edge and the lower layer auxiliary weft yarn wound on the lower layer auxiliary weft yarn lifting and pulling winding shaft are continuously pulled into the storage box by the rotating and pulling device.
3. Method for pulling auxiliary weft yarns in double-face cut pile weaving according to claim 1 or 2, characterised in that: in the step I, the upper layer auxiliary weft yarn winding shaft and the lower layer auxiliary weft yarn lifting and pulling winding shaft are chrome plating smooth rollers with the diameter of 25 mm.
4. Method for pulling auxiliary weft yarns in double-face cut pile weaving according to claim 1 or 2, characterised in that: the rotating and pulling device in the step I is a pair of meshing gears driven by a motor.
5. Method for pulling auxiliary weft yarns in double-face cut pile weaving according to claim 1 or 2, characterised in that: further comprising the steps of:
and seventhly, after finishing: and (4) performing after-treatment including dyeing, carding, brushing and shaping on the double-sided cut velvet grey cloth obtained in the step (c) to (c), so as to obtain the double-sided cut velvet cloth.
6. The method of claim 1 for pulling an auxiliary weft yarn in double-face cut pile weaving, characterized in that: in the second step, the upper-layer base cloth is formed by interweaving first warp yarns and second warp yarns of the upper layer with first weft yarns to third weft yarns of the upper layer by a weaving machine; the lower base cloth is formed by interweaving first and second warp yarns and first to third weft yarns of the lower layer in a warp-weft mode through a weaving machine.
7. The method of claim 6 in which the weft-assisted lifting and pulling process is carried out in a double-face cut pile fabric: in the third step, the upper layer auxiliary weft yarns and the lower layer auxiliary weft yarns respectively comprise upper layer first and second auxiliary weft yarns and lower layer first and second auxiliary weft yarns; the first pile warp is sequentially interwoven with the upper first auxiliary weft yarn, the upper first to third weft yarns and the upper second auxiliary weft yarn in a warp-weft mode, returns to the lower layer, is sequentially interwoven with the lower first auxiliary weft yarn, the lower first to third weft yarns and the lower second auxiliary weft yarn in a warp-weft mode, and returns to the upper layer again to continue to weave back and forth;
the second pile warp is sequentially interwoven with the first auxiliary weft yarn at the lower layer, the first weft yarn to the third weft yarn at the lower layer and the second auxiliary weft yarn at the lower layer, then returns to the upper layer to be interwoven with the first auxiliary weft yarn at the upper layer, the first weft yarn to the third weft yarn at the upper layer and the second auxiliary weft yarn at the upper layer, and returns to the lower layer again to continue to weave back and forth;
the third pile warp is firstly sequentially interwoven with the first to third weft yarns on the upper layer in a warp-weft mode, then returns to the lower layer to be interwoven with the first to third weft yarns on the lower layer in a warp-weft mode, and returns to the upper layer again to continue to weave back and forth;
the fourth pile warp is firstly sequentially interwoven with the first weft yarns, the second weft yarns, the third weft yarns, the fourth pile warp and the fourth pile warp in sequence, then returns to the upper layer to be interwoven with the first weft yarns, the second weft yarns, the third weft yarns, the fourth pile warp and the fourth pile warp in sequence, and then returns to the lower layer to continue to weave back and forth.
8. The method of claim 6 in which the weft-assisted lifting and pulling process is carried out in a double-face cut pile fabric: in the fourth step, the upper auxiliary warp and the lower auxiliary warp respectively comprise upper first and second auxiliary warps and lower first and second auxiliary warps; during weaving, the first and second auxiliary warp yarns on the upper layer and the first and second auxiliary weft yarns on the upper layer are interwoven with the first and second auxiliary weft yarns on the left side of the base fabric on the upper layer in a warp-weft mode to form an upper left auxiliary edge; and the first and second auxiliary warp yarns of the lower layer and the first and second auxiliary weft yarns of the lower layer are interwoven in the left side of the lower-layer base fabric in a warp-weft mode to form a left auxiliary edge of the lower layer.
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