CN114790603B - False weft mechanism of double-layer rapier loom and threading method thereof - Google Patents
False weft mechanism of double-layer rapier loom and threading method thereof Download PDFInfo
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- CN114790603B CN114790603B CN202210450875.6A CN202210450875A CN114790603B CN 114790603 B CN114790603 B CN 114790603B CN 202210450875 A CN202210450875 A CN 202210450875A CN 114790603 B CN114790603 B CN 114790603B
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D27/00—Woven pile fabrics
- D03D27/02—Woven pile fabrics wherein the pile is formed by warp or weft
- D03D27/06—Warp pile fabrics
Abstract
The invention relates to the technical field of double-layer rapier looms, in particular to a false weft mechanism of a double-layer rapier loom, which comprises a mounting frame, wherein a hollowed area is arranged on the mounting frame along the width direction, two rows of linearly and uniformly distributed yarn dividing needles are respectively fixed on the front side and the rear side of the mounting frame, one row of the yarn dividing needles is an upper yarn dividing needle, the other row of the yarn dividing needles is a lower yarn dividing needle, a height fixing sheet for supporting pile warp yarns is fixed between the upper yarn dividing needle and the lower yarn dividing needle, and a yarn blocking steel wire is also fixed on the front side of the mounting frame. The invention has the beneficial effects that the hollowed-out area is arranged on the mounting frame to provide a yarn path for the velvet warp yarn, so that the velvet warp yarn can pass through the split needles at two sides of the mounting frame straight, the velvet warp yarn threading is simple, convenient and quick, and two velvet warp yarns can also pass through the split needles in parallel, thereby fundamentally solving the problem of unbalanced length of the velvet warp heald lifting caused by using the height fixing piece, reducing the change of opening tension, improving the quality of fabrics, eliminating the need of split rollers, reducing the number of light tension rollers and reducing the manufacturing cost.
Description
Technical Field
The invention relates to the technical field of double-layer rapier looms, in particular to a false weft mechanism of a double-layer rapier loom.
Background
In the current market, when a double-layer rapier loom weaves, warp yarns form an upper shed and a lower shed, weft insertion is completed in each shed by a group of rapiers, and the upper and the lower rapiers are driven by the same driving source. The double-layer rapier loom can remarkably improve the labor productivity of the loom. However, the conventional double-layer rapier loom has no supporting structure, cannot weave ultra-thick three-dimensional fabrics, and gradually proposes a false weft structure along with the development of technology, namely, the crossed upper and lower velvet warps and removable wefts are supported by using a height fixing piece of the false weft structure. When knitting, the upper ground warp yarn and the weft yarn form an upper layer grey cloth, the lower ground warp yarn and the weft yarn form a lower layer grey cloth, the upper and lower pile warp yarns and the weft yarn form a spacing grey cloth, the upper and lower ground warp yarns are connected in series to form a three-dimensional fabric with an upper layer, a spacing layer and a lower layer, after the knitting is finished, the detachable weft yarn is removed, and finally the ultra-large thickness three-dimensional fabric is formed.
To achieve the supporting effect of the height-fixing piece, the following problems are considered: 1. the fixed-height sheets of the pseudo weft structure are arranged in a large number in the fabric width direction, and thus, it is not easy to realize fixed-height sheets. 2. Secondly, the yarn path of the middle pile warp is easily blocked by the fixed structure of the fixed high piece, so that the pile warp can only pass through the upper part of the fixed high piece, and the lifting stroke of the pile warp is relatively large, so that the length of the upper and lower yarns of the pile warp is unbalanced in the lifting process, and the open tension is greatly changed, so that the quality of fabrics is influenced. In order to reduce the influence of the asymmetry as much as possible, devices such as a leasing roller and a plurality of groups of light tension rollers are added on the yarn, but the asymmetry problem cannot be solved at all, the yarn threading time is long, and the manufacturing cost is increased.
Disclosure of Invention
In order to overcome the defects, the invention provides a false weft mechanism of a double-layer rapier loom. The false weft mechanism not only can provide the fixed function of the fixed high piece, but also can simplify middle threading, and fundamentally solves the problem of unbalanced yarn length when the pile warp is lifted by using the fixed high piece, so that the tension change of an opening can be reduced, the quality of fabrics is improved, a leasing roller is not needed, the number of light tension rollers is reduced, the threading time is shortened, and the manufacturing cost is reduced.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a false weft mechanism of double-deck rapier loom, its characterized in that includes the mounting bracket, the mounting bracket is provided with the region of drawing out that provides the yarn way for fine hair warp yarn along width direction, the front and back both sides face of mounting bracket is fixed with the branch yarn needle of two rows of linear equipartitions respectively, and one row is last branch yarn needle, and another row is lower branch yarn needle, be fixed with the fixed height piece that is used for supporting fine hair warp yarn between last branch yarn needle and the lower branch yarn needle, the rear end of fixed height piece passes and draws out the region, and the front end of fixed height piece passes the heald frame of double-deck rapier loom, the leading flank of mounting bracket still is fixed with the fender yarn steel wire, the fender yarn steel wire is arranged along the width direction of drawing out the region, keeps off yarn steel wire and has four groups altogether, and wherein, two groups are located branch yarn needle department down in two groups.
According to another embodiment of the invention, the mounting frame further comprises a fixing support, a supporting plate and a yarn dividing seat, the yarn dividing seat is U-shaped, the left end and the right end of the supporting plate are respectively connected with the fixing support, the upper end and the lower end of the supporting plate are respectively fixed with the yarn dividing seat, and the front side and the rear side of the yarn dividing seat are respectively fixed with yarn dividing needles.
According to another embodiment of the invention, the fixed support further comprises at least three sets of mounting holes arranged laterally at intervals. Different mounting holes are selected to adjust the mounting position of the fixed support, so that the adaptability is wide.
According to another embodiment of the present invention, the yarn dividing needle is fixed on the yarn dividing seat through the seat body. The yarn dividing needles are uniformly fixed on the seat body, and then the seat body is fixed on the yarn dividing seat.
According to another embodiment of the invention, the yarn guide device further comprises a yarn guide plate, wherein the yarn guide plate is fixedly arranged on the yarn dividing needle, the yarn dividing needle and the yarn guide plate are respectively provided with a through hole, the yarn blocking steel wire sequentially penetrates through the through holes of the yarn dividing needle and the yarn guide plate, the installation part can be greatly simplified, and the yarn guide plate is firmly fixed.
According to another embodiment of the invention, the yarn blocking device comprises a yarn blocking needle, a yarn blocking plate, a yarn blocking needle, a yarn blocking plate and a yarn blocking plate, wherein the yarn blocking plate is fixedly arranged on the rear side face of the mounting frame, the yarn blocking plate is fixedly arranged on the yarn dividing needle through the yarn blocking plate, the yarn dividing needle and the yarn blocking plate are respectively provided with a through hole, and the yarn blocking plate sequentially penetrates through the through hole of the yarn dividing needle and the through hole of the yarn blocking plate. Therefore, the fixed height pieces are fixed by the yarn blocking steel wires at the front side and the rear side, so that the fixed height pieces are more firmly fixed.
According to another embodiment of the invention, further comprising a reinforcement plate is mounted on the front side of the mounting frame. The reinforcing plates can improve the integral strength of the false weft mechanism, and the number of the reinforcing plates is set according to the requirement.
According to another embodiment of the present invention, the height-fixing piece further includes a fixing section, a conical surface transition section and a height-fixing section in this order, and the width of the fixing section is smaller than the width of the height-fixing section.
The invention also provides a yarn threading method of the false weft mechanism of the double-layer rapier loom, the double-layer rapier loom is provided with the false weft mechanism, the double-layer rapier loom is provided with upper ground warp yarns, lower ground warp yarns, two down warp yarns, heald frames and steel hoops, and the specific yarn threading method is as follows:
s1: dividing the upper ground warp yarn into two parts, namely an upper ground warp yarn I and an upper ground warp yarn II;
s2: dividing the lower ground warp yarn into two parts, namely a lower ground warp yarn I and a lower ground warp yarn II;
s3: the two sets of pile warp yarns are respectively an upper pile warp yarn and a lower pile warp yarn, the upper pile warp yarn and the lower pile warp yarn are mutually parallel and led into a false weft mechanism, the upper pile warp yarn passes through upper yarn dividing needles on the front side and the rear side of the mounting frame, the lower pile warp yarn passes through lower yarn dividing needles on the front side and the rear side of the mounting frame, wherein the upper pile warp yarn is divided into two by two groups of yarn blocking steel wires at the upper yarn dividing needles to obtain an upper pile warp yarn I and an upper pile warp yarn II, and the lower pile warp yarn is divided into two by two groups of yarn blocking steel wires at the lower yarn dividing needles to obtain a lower pile warp yarn I and a lower pile warp yarn II;
s4: the first pile warp yarn, the second pile warp yarn, the first lower pile warp yarn and the second lower pile warp yarn respectively pass through the heald frame and the steel hoop, wherein the first pile warp yarn, the second pile warp yarn, the first lower pile warp yarn and the second lower pile warp yarn are supported by a height fixing piece, and the first upper ground warp yarn and the second upper ground warp yarn pass over the false weft mechanism and then respectively pass through the heald frame and the steel hoop; the first lower ground warp yarn and the second lower ground warp yarn pass through the lower part of the false weft mechanism and then respectively pass through the heald frame and the steel hoop.
The invention has the beneficial effects that the hollowed-out area is arranged on the mounting frame to provide a yarn path for the pile warp yarns, so that the pile warp yarns can pass through the split needles at two sides of the mounting frame straight, the pile warp yarns can pass through the split needles simply, conveniently and quickly, and two pile warp yarns can also pass through the split needles in parallel, thereby fundamentally solving the problem of unbalanced yarn length during pile warp lifting caused by using the height fixing piece, reducing the change of opening tension and improving the quality of fabrics. The height fixing piece can support the velvet warp yarns and the detachable weft yarns, and after the knitting is completed, the detachable weft yarns are detached, so that the ultra-thick three-dimensional fabric is obtained. The false weft mechanism can lighten the tension change of an opening, improve the quality of fabrics, does not need a leasing roller, reduces the quantity of light tension rollers and reduces the manufacturing cost.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a structural perspective view of the mounting bracket;
FIG. 4 is a perspective view of the structure of the yarn dividing needle;
FIG. 5 is a perspective view of the connection of the split needle, the yarn blocking steel wire and the fixed height sheet;
FIG. 6 is a right side view of the connection of the split needle, the yarn blocking steel wire and the fixed height sheet;
FIG. 7 is a schematic view of a yarn threading of the present invention;
FIG. 8 is a schematic representation of the weaving of warp and weft yarns of the present invention;
FIG. 9 is a schematic view of two removable weft yarns;
fig. 10 is a schematic view of a removable weft yarn.
In the figure, 1, a mounting frame, 1-1, a fixed support, 1-2, a supporting plate, 1-3, a yarn dividing seat, 2, a hollowed area, 3, a yarn dividing needle, 3-1, an upper yarn dividing needle, 3-2, a lower yarn dividing needle, 4, a steel hoop, 5, a fixed sheet, 5-1, a fixed section, 5-2, a conical surface transition section, 5-3, a fixed high section, 6, a yarn blocking steel wire, 7, a heald frame, 8, a reinforcing plate, 9, a seat body, 10, a removable weft yarn, 11, weft yarn, 12, a bolt, 13, a rapier weft insertion mechanism, 14, a mounting hole, 15, an upper ground warp yarn, 15-1, an upper ground warp yarn, 15-2, an upper ground warp yarn, 16, a lower ground warp yarn, 16-1, a lower ground warp yarn, 16-2, a lower ground warp yarn, 17-1, an upper pile warp yarn, 17-1-2, an upper pile warp yarn, 17-2, a lower pile yarn, 17-2, and a lower pile yarn 2-2.
Description of the embodiments
Fig. 1 to 6 are schematic structural views of the present invention, and are a false weft mechanism of a double-layer rapier loom, which is characterized by comprising a mounting frame 1, wherein a hollowed region 2 for providing yarn paths for pile warp yarns 17 is arranged on the mounting frame 1 along the width direction, two rows of yarn dividing needles 3 which are linearly and uniformly distributed are respectively fixed on the front side and the rear side of the mounting frame 1, one row is an upper yarn dividing needle 3-1, the other row is a lower yarn dividing needle 3-2, a height fixing piece 5 for supporting the pile warp yarns 17 is fixed between the upper yarn dividing needle 3-1 and the lower yarn dividing needle 3-2, the rear end of the height fixing piece 5 passes through the hollowed region 2, the front end of the height fixing piece 5 passes through a heald frame 7 of the double-layer rapier loom, yarn blocking steel wires 6 are also fixed on the front side of the mounting frame 1, the yarn blocking steel wires 6 are arranged along the width direction of the hollowed region 2, and the yarn blocking steel wires 6 are in four groups, wherein two groups are positioned at the upper yarn dividing needle 3-1, and the rest two groups are positioned at the lower yarn dividing needle 3-2.
Specifically, the hollowed-out area 2 is arranged on the mounting frame 1, so that a yarn path is provided for the pile warp yarns 17, the yarn dividing needles 3 are arranged on the front side and the rear side of the mounting frame 1, as shown in fig. 7, the pile warp yarns 17 can pass through the yarn dividing needles 3 on the two sides of the mounting frame straight, the pile warp yarns 17 can pass through the yarns simply, conveniently and quickly, and two pile warp yarns 17 can also pass through the yarns in parallel, so that the problem of unbalanced yarn length during pile warp lifting caused by using the height fixing piece 5 is fundamentally solved, the opening tension change is reduced, and the quality of fabrics is improved. The height-fixing piece 7 can support the velvet warp yarn 17, the upper ground warp yarn 15 passes through the upper part of the false weft mechanism, the lower ground warp yarn 16 passes through the lower part of the false weft mechanism and then passes through the heald frame 7 respectively, the height-fixing piece 5 also supports the detachable weft yarn 10 in the subsequent weaving process, and the detachable weft yarn is detached after the weaving is completed, so that the ultra-thick three-dimensional fabric is obtained.
The thickness of the extra-thick three-dimensional fabric depends on the height h of the fixed high sheet 5 and the number n of the removable weft yarns 10 in the weaving process, as shown in fig. 8, the fixed high sheet 5 supports the removable weft yarns 10 and the pile warp yarns 17, the upper ground warp yarns 15 and the weft yarns 11 form an upper layer grey fabric, the lower ground warp yarns 16 and the weft yarns 11 form a lower layer grey fabric, two pile warp yarns 17 and the weft yarns 11 and the removable weft yarns 10 form a spacing grey fabric respectively, for example, when the height h=80 mm of the fixed high sheet 5 and the number n=2 of the removable weft yarns 10 are shown in fig. 9, the distance between the upper layer grey fabric and the lower layer grey fabric is 80mm, the line segment ab=bc=80 mm, and after the weaving is completed, the distance between the upper layer grey fabric and the lower layer grey fabric is 80mm, the sum of the line segment BC and the line segment CD is 80 mm; similarly, if the removable weft yarn 10 is one strand, as illustrated in fig. 10, after the removable weft yarn 10 is removed, the distance between the upper layer grey fabric and the lower layer grey fabric is the sum of line segments AB and BC, that is 80mm×2=160 mm; from this, the thickness formula of the extra-thick three-dimensional fabric can be deduced to be (n+1) h.
According to another embodiment of the present invention, the mounting frame 1 further includes a fixing support 1-1, a support plate 1-2, and a yarn dividing seat 1-3, the yarn dividing seat 1-3 is U-shaped, the left and right ends of the support plate 1-2 are respectively connected with the fixing support 1-1, the upper and lower ends are respectively fixed with the yarn dividing seat 1-3, and the front and rear sides of the yarn dividing seat 1-3 are respectively fixed with a yarn dividing needle 3.
Specifically, the yarn dividing seat 1-3 is U-shaped, the inner width of the U-shape is matched with the plate thickness of the supporting plate 1-2, and therefore the yarn dividing seat 1-3 is buckled on the supporting plate 1-2, and the yarn dividing seat 1-3 can be locked and fixed through the bolts 12. As shown in fig. 3, the structure is firm in connection and convenient to assemble and disassemble.
According to another embodiment of the present invention, the fixing support 1-1 further comprises at least three sets of mounting holes 14 arranged at intervals in the lateral direction. Different mounting holes 14 are selected to adjust the mounting position of the fixed support 1-1, so that the adaptability is wide.
According to another embodiment of the invention, the yarn dividing needle 3 is further fixed on the yarn dividing seat 1-3 through the seat body 9. As shown in fig. 4, the yarn dividing needle 3 is uniformly fixed on the seat 9, and then the seat 9 is fixed on the yarn dividing seat 1-3.
According to another embodiment of the present invention, the height fixing piece 5 is fixed on the yarn dividing needle 3 through the yarn blocking steel wire 6, the yarn dividing needle 3 and the height fixing piece 5 are both provided with through holes, and the yarn blocking steel wire 6 sequentially penetrates through the through holes of the yarn dividing needle 3 and the height fixing piece 5.
As shown in fig. 5, since the number of the yarn dividing needles 3 and the number of the height fixing pieces 5 in each row are the same, the yarn dividing needles 3 and the height fixing pieces 5 are uniformly distributed in the width direction of the mounting frame 1, and the yarn blocking steel wires 6 fix the height fixing pieces 5 on the yarn dividing needles 3, the mounting components can be greatly simplified. The yarn blocking steel wires 6 at the front side of the mounting frame 1 are four groups, and the upper yarn dividing needle 3-1 and the lower yarn dividing needle 3-2 are provided with two through holes, so that the height fixing piece 5 is fixed.
Preferably, the yarn blocking steel wires 6 are also arranged on the rear side surface of the mounting frame 1, so that the yarn blocking steel wires 6 on the front side and the rear side are used for fixing the height fixing piece 5, and the height fixing piece 5 is more firmly fixed. As shown in fig. 6, four groups of yarn blocking steel wires 6 are also arranged on the rear side surface of the mounting frame 1, 8 groups of yarn blocking steel wires 6 are arranged on the front side and the rear side, so that 8 groups of fixing holes are shared by the height fixing pieces 5, gaps are avoided when the height fixing pieces 5 are fixed, the weaving process is not easy to shake, and the weaving quality can be further guaranteed.
According to another embodiment of the invention, it is further provided that the front side of the mounting frame 1 is provided with a reinforcement plate 8. The reinforcing plates 8 can improve the overall strength of the false weft mechanism, and the number of the reinforcing plates 8 is set according to the requirement.
According to another embodiment of the present invention, the height-fixing piece 5 further comprises a fixing section 5-1, a conical surface transition section 5-2 and a height-fixing section 5-3 in sequence, wherein the width of the fixing section 5-1 is smaller than the width of the height-fixing section 5-3.
In the knitting process, the front end of the height-fixing piece 5 only plays a supporting role, so that the height-fixing section 5-3 is only required to be arranged at the front end of the height-fixing piece 5, the width of the fixed section 5-1 is smaller than that of the height-fixing section 5-3, and the total weight of the height-fixing piece 5 can be reduced.
The invention also provides a false weft mechanism threading method of the double-layer rapier loom, the double-layer rapier loom is provided with the false weft mechanism, the double-layer rapier loom is provided with an upper ground warp yarn 15, a lower ground warp yarn 16, two velvet warp yarns 17, a heald frame 7 and a steel hoop 4, and the specific threading method is as follows:
s1: dividing the upper ground warp yarn into two parts, namely an upper ground warp yarn one 15-1 and an upper ground warp yarn two 15-2;
s2: dividing the lower ground warp yarn one into two, namely a lower ground warp yarn one 16-1 and a lower ground warp yarn two 16-2;
s3: the two strands of pile warp yarns 17 are respectively an upper pile warp yarn 17-1 and a lower pile warp yarn 17-2, the upper pile warp yarn 17-1 and the lower pile warp yarn 17-2 are led into a false weft mechanism in parallel, the upper pile warp yarn 17-1 passes through upper yarn dividing needles 3-1 on the front side and the rear side of a mounting frame 1, the lower pile warp yarn 17-2 passes through lower yarn dividing needles 3-2 on the front side and the rear side of the mounting frame 1, wherein the upper pile warp yarn 17-1 is divided into two by two groups of yarn blocking steel wires 6 on the upper yarn dividing needles 3-1 to obtain an upper pile warp yarn I17-1 and an upper pile warp yarn II 17-1-2, and the lower pile warp yarn 17-2 is divided into two by two groups of yarn blocking steel wires 6 on the lower yarn dividing needles 3-2 to obtain a lower pile warp yarn I17-2-1 and a lower pile warp yarn II 17-2-2;
s4: the first pile warp yarn 17-1-1, the second pile warp yarn 17-1-2, the first lower pile warp yarn 17-2-1 and the second lower pile warp yarn 17-2-2 respectively pass through the heald frame 7 and the steel hoop 4, wherein the first pile warp yarn 17-1-1, the second pile warp yarn 17-1-2, the first lower pile warp yarn 17-2-1 and the second lower pile warp yarn 17-2-2 are supported by the height fixing piece 5, and the first upper ground warp yarn 15-1 and the second upper ground warp yarn 15-2 respectively pass through the heald frame 7 and the steel hoop 4 after passing over the false weft mechanism; the lower ground warp yarn one 16-1 and the lower ground warp yarn two 16-2 pass through the lower part of the false weft mechanism and then respectively pass through the heald frame 7 and the steel hoop 4.
After the threading is completed, each heald frame 7 is driven by a driving structure to drive each pile warp and ground warp to do lifting motion, a rapier weft insertion mechanism 13 is used for inserting weft yarns 11 or removable weft yarns 10 according to the weaving process, a steel hoop 4 is driven by the driving structure to drive the weft yarns 11 or the removable weft yarns 10, an upper layer grey cloth is formed by upper ground warp yarns 15 and the weft yarns 11, a lower layer grey cloth is formed by lower ground warp yarns 16 and the weft yarns 11, two pile warp yarns 17 respectively form spacing grey cloth with the weft yarns 11 and the removable weft yarns 10, and after the weaving is completed, the removable weft yarns 10 are drawn out, so that the ultra-large thickness three-dimensional fabric can be obtained.
In the application, the first upper velvet warp yarn 17-1-1, the second upper velvet warp yarn 17-1-2, the first lower velvet warp yarn 17-2-1 and the second lower velvet warp yarn 17-2-2 respectively pass through the first four brown frames 7, and the first upper ground warp yarn 15-1, the second upper ground warp yarn 15-2, the first lower ground warp yarn 16-1 and the second lower ground warp yarn 16-2 respectively pass through the second four brown frames 7, so that the weaving quality of the ultra-large thickness three-dimensional fabric can be ensured.
The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a false weft mechanism of double-deck rapier weaving machine, characterized by includes mounting bracket (1), mounting bracket (1) are provided with the area (2) of drawing out that provides the yarn way for fine hair warp yarn (17) along width direction, the front and back both sides face of mounting bracket (1) is fixed with two rows of yarn dividing needle (3) of linear equipartition respectively, and one row is last yarn dividing needle (3-1), and another row is lower yarn dividing needle (3-2), be fixed with between last yarn dividing needle (3-1) and lower yarn dividing needle (3-2) and be used for supporting the fixed high piece (5) of fine hair warp yarn (17), the rear end of fixed high piece (5) passes area (2) of drawing out, the front end of fixed high piece (5) passes double-deck rapier weaving machine's heald frame (7), the leading flank of mounting bracket (1) still is fixed with and keeps off yarn wire (6), it arranges to keep off yarn wire (6) along the width direction of drawing out area (2), and keeps off yarn wire (6) and totally four sets, and wherein, two sets are located two sets of needle (3-1) and are located two yarn dividing needle (3-2).
2. The false weft mechanism of a double-layer rapier loom according to claim 1, wherein the mounting frame (1) comprises a fixed support (1-1), a supporting plate (1-2) and a yarn dividing seat (1-3), the yarn dividing seat (1-3) is U-shaped, the left end and the right end of the supporting plate (1-2) are respectively connected with the fixed support (1-1), the upper end and the lower end of the supporting plate are respectively fixed with the yarn dividing seat (1-3), and the front side and the rear side of the yarn dividing seat (1-3) are respectively fixed with a yarn dividing needle (3).
3. A false weft mechanism of a double rapier loom according to claim 2, characterized in that said fixed support (1-1) is provided with at least three sets of mounting holes (14) laterally spaced.
4. A false weft mechanism of a double rapier loom according to claim 2, characterized in that the yarn dividing needle (3) is fixed on the yarn dividing seat (1-3) through a seat body (9).
5. The false weft mechanism of the double-layer rapier loom according to claim 1, wherein the fixed high piece (5) is fixed on the yarn dividing needle (3) through a yarn blocking steel wire (6), the yarn dividing needle (3) and the fixed high piece (5) are respectively provided with a through hole, and the yarn blocking steel wire (6) sequentially penetrates through the through holes of the yarn dividing needle (3) and the fixed high piece (5).
6. The false weft mechanism of a double-layer rapier loom according to claim 1, wherein the rear side surface of the mounting frame (1) is also fixed with a yarn blocking steel wire (6), the yarn blocking steel wire (6) on the front side and the rear side of the mounting frame (1) is fixed on the yarn dividing needle (3) through the yarn blocking steel wire (5), the yarn dividing needle (3) and the yarn blocking steel wire (6) are respectively provided with a through hole, and the yarn blocking steel wire (6) sequentially penetrates through the through holes of the yarn dividing needle (3) and the through holes of the yarn blocking steel wire (5).
7. A false weft mechanism of a double rapier loom according to claim 1, characterized in that the front side of the mounting frame (1) is provided with a reinforcing plate (8).
8. The false weft mechanism of a double-layer rapier loom according to claim 1, wherein the fixed height piece (5) sequentially comprises a fixed section (5-1), a conical surface transition section (5-2) and a fixed height section (5-3), and the width of the fixed section (5-1) is smaller than the width of the fixed height section (5-3).
9. A false weft threading method of a double-layer rapier loom provided with the false weft according to any one of claims 1 to 8, the double-layer rapier loom having an upper ground warp yarn (15), a lower ground warp yarn (16), two pile warp yarns (17), a heald frame (7) and a steel band (4), in particular the threading method is as follows:
s1: dividing the upper ground warp yarn into two parts, namely an upper ground warp yarn one (15-1) and an upper ground warp yarn two (15-2);
s2: dividing the lower ground warp yarn into two parts, namely a lower ground warp yarn one (16-1) and a lower ground warp yarn two (16-2);
s3: the two-pile warp yarn (17) is an upper pile warp yarn (17-1) and a lower pile warp yarn (17-2), the upper pile warp yarn (17-1) and the lower pile warp yarn (17-2) are respectively led into a false weft mechanism in parallel, the upper pile warp yarn (17-1) passes through upper yarn dividing needles (3-1) on the front side and the rear side of the mounting frame (1), the lower pile warp yarn (17-2) passes through lower yarn dividing needles (3-2) on the front side and the rear side of the mounting frame (1), wherein the upper pile warp yarn (17-1) is divided into two parts by two groups of yarn blocking steel wires (6) on the upper yarn dividing needles (3-1), the upper pile warp yarn (17-1) and the upper pile warp yarn two (17-1-2) are obtained, and the lower pile warp yarn (17-2) is divided into two parts by two groups of yarn blocking steel wires (6) on the lower yarn dividing needles (3-2) to obtain a lower pile warp yarn one (17-2-1) and a lower pile warp yarn two (17-2).
S4: the method comprises the steps of enabling an upper pile warp yarn I (17-1-1), an upper pile warp yarn II (17-1-2), a lower pile warp yarn I (17-2-1) and a lower pile warp yarn II (17-2-2) to pass through a heald frame (7) and a steel hoop (4) respectively, enabling the upper pile warp yarn I (17-1-1), the upper pile warp yarn II (17-1-2), the lower pile warp yarn I (17-2-1) and the lower pile warp yarn II (17-2-2) to be supported by a height fixing piece (5), enabling an upper ground warp yarn I (15-1) and an upper ground warp yarn II (15-2) to pass through the heald frame (7) and the steel hoop (4) respectively after passing over a false weft mechanism; the first lower ground warp yarn (16-1) and the second lower ground warp yarn (16-2) pass through the lower part of the false weft mechanism and then respectively pass through the heald frame (7) and the steel hoop (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210450875.6A CN114790603B (en) | 2022-04-27 | 2022-04-27 | False weft mechanism of double-layer rapier loom and threading method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210450875.6A CN114790603B (en) | 2022-04-27 | 2022-04-27 | False weft mechanism of double-layer rapier loom and threading method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114790603A CN114790603A (en) | 2022-07-26 |
| CN114790603B true CN114790603B (en) | 2023-04-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BE1003628A5 (en) * | 1990-05-21 | 1992-05-05 | Wiele Michel Van De Nv | Lancettenhouder. |
| BE1016032A6 (en) * | 2004-02-25 | 2006-01-10 | Wiele Michel Van De Nv | Method and apparatus for weaving fabrics with pool distance holder and double holder elements. |
| CN200949143Y (en) * | 2006-08-22 | 2007-09-19 | 徐放鸣 | High-speed shuttle-free double-faced cashmere belt loom |
| EP2251467B1 (en) * | 2009-05-13 | 2013-08-07 | SCHÖNHERR Textilmaschinenbau GmbH | Method for simultaneously weaving two fabrics, fabric adapted to be woven with such a method and loom usable with such a method |
| CN102121160A (en) * | 2011-04-11 | 2011-07-13 | 青岛同春机电科技有限公司 | Yarn distributing device for weaving double-layer fabric |
| CN102154767B (en) * | 2011-04-11 | 2012-02-22 | 青岛同春机电科技有限公司 | High-efficiency weaving and let-off method for double-layer lint |
| BE1021782B1 (en) * | 2013-10-24 | 2016-01-18 | Nv Michel Van De Wiele | THREADER, GRAIN WEAVING MACHINE AND METHOD FOR INSERTING AN IMPRESSION THREAD WITH SUCH A GRAINER IN SUCH A GRAIN WEAVING MACHINE |
| CN208501204U (en) * | 2018-05-11 | 2019-02-15 | 陕西元丰纺织技术研究有限公司 | A kind of fixed carbon fibrous warps lane device |
| CN208717506U (en) * | 2018-07-16 | 2019-04-09 | 浙江恒石纤维基业有限公司 | Wind-powered electricity generation fabric double-warp product constant tension control device |
| CN109137223B (en) * | 2018-08-15 | 2020-06-02 | 达亚帆布(上海)有限公司 | Auxiliary weft yarn, using method and product obtained by using auxiliary weft yarn |
| CN111254556A (en) * | 2020-03-17 | 2020-06-09 | 苏州大学 | Rapier loom capable of being used for weaving three-dimensional orthogonal fabric and weaving method thereof |
| CN113802249A (en) * | 2021-09-26 | 2021-12-17 | 绍兴纺织机械集团有限公司 | Fixing device of last guide needle of intelligence carbon fiber rapier weaving machine |
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