CN115323605B - Production system and production process of elastic double-layer warp knitted fabric - Google Patents
Production system and production process of elastic double-layer warp knitted fabric Download PDFInfo
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- CN115323605B CN115323605B CN202211083428.8A CN202211083428A CN115323605B CN 115323605 B CN115323605 B CN 115323605B CN 202211083428 A CN202211083428 A CN 202211083428A CN 115323605 B CN115323605 B CN 115323605B
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- frame
- warping
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- 239000004744 fabric Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000008569 process Effects 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000009940 knitting Methods 0.000 claims description 36
- 238000007493 shaping process Methods 0.000 claims description 16
- 238000004043 dyeing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 238000004040 coloring Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims 1
- 239000010902 straw Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 240000002129 Malva sylvestris Species 0.000 description 1
- 235000006770 Malva sylvestris Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/18—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating elastic threads
Abstract
The invention relates to the technical field of knitted fabrics, in particular to an elastic double-layer warp knitted fabric production system and a production process thereof; the warping machine comprises a warping machine for warping yarns and a creel for placing the yarns, wherein a yarn storage rack is movably arranged in the warping machine, a tension bracket is fixedly arranged on the outer side of the creel, a wire frame is arranged between the creel and the tension bracket, and the warping machine further comprises a wire connecting mechanism, wherein the wire connecting mechanism comprises a wire connecting part which is movably arranged on the wire frame and is used for connecting the yarns and the yarns, and a wire pressing part which is detachably arranged on the yarn storage rack and is used for connecting a warp beam and the yarns; the invention utilizes the splicer of the connecting line part in the connecting line mechanism and the clamping strip of the pressing line part to connect the yarn at the creel and the warping machine in the warping process, and simultaneously the yarn knot connected by the splicer has small volume, thereby avoiding the bulge and the gap between adjacent yarns after the yarn knot is curled to the warp beam in the warping process and solving the problem of insufficient uniformity of the stress of the yarns on the warp beam.
Description
Technical Field
The invention relates to the technical field of knitted fabrics, in particular to an elastic double-layer warp knitted fabric production system and a production process thereof.
Background
The warp-knitted fabric is produced by using a warp-knitted fabric with a warp-knitted fabric production process, wherein the warp-knitted fabric is produced by using a warp-knitted fabric with a warp-knitted fabric production process, and the warp-knitted fabric is produced by using a warp-knitted fabric with a warp-knitted fabric production process.
In the production process of the warping procedure, a large number of cone yarns are required to be mounted on a cone frame unit, yarns of the cone yarns are connected to a warp beam of the warping unit, after warp curling is completed through the warp beam, the warp yarns are required to be broken and replaced by new warp beams to continue curling, a large number of densely-packed yarns are required to be warping at the warp beam, a plurality of yarns are often bound together in the process of reconnecting, the plurality of yarns are separated again through a warp beam curling warp splitting reed, and after the warp yarns on the cone yarns are completely released, empty cone yarns are dismounted from the cone frame unit, new cone yarns are mounted, and then the yarns on the new cone yarns are connected to the warp beam one by one.
Chinese patent application number CN201610703508.7 discloses a warping system, which comprises a creel, a warping unit and a warping and yarn-loading system, wherein the warping and yarn-loading system comprises a yarn-storing mechanism, a transfer mechanism, a grabbing mechanism, a feeding mechanism and a control mechanism, the warping and yarn-loading system and the warping system comprising the warping and yarn-loading system can automatically load cheeses on the creel, and the whole yarn-loading process can basically be independently operated by a machine.
However, in this technical solution, only the handling of the yarn packages in the warp knitting process is proposed, and the yarn packages transported to the designated position by the transfer mechanism need to be handled one by the gripping mechanism, and the yarn packages in the new yarn packages still need to be manually handled one by one during the process of reconnecting the yarn packages to the warp beam.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides an elastic double-layer warp knitted fabric production system and a production process thereof, wherein a splicer of a connecting line part in a connecting line mechanism and a clamping strip of a line pressing part are utilized to connect yarns at a bobbin cradle and a warping machine in a warping process, and meanwhile, the volume of yarn knots connected by the splicer is small, so that bulges and gaps between adjacent yarns are avoided after the yarn knots are curled to a warp beam in the warping process, and the problem of insufficient uniformity of stress of yarns on the warp beam is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a production system of elastic double-layer warp-knitted fabric comprises a warping unit, a warp-knitted unit and a shaping unit;
the warping unit includes the warper that warping was carried out the yarn and is used for placing the creel of section of thick bamboo yarn, and the activity is equipped with the deposit frame in the warper, and the tension bracket has been set firmly in the creel outside, has arranged the lead frame between creel and the tension bracket, still includes:
the connecting mechanism comprises one or more of a first connecting unit arranged on the lead frame and used for connecting the cone yarn and the yarn or a second connecting unit arranged on the storage frame and used for connecting the warp beam and the yarn;
the first connecting unit comprises a connecting wire part movably arranged on the lead frame;
the second wiring unit comprises a wire pressing part which is detachably arranged on the wire storage frame;
when the yarn is connected, the thread ends of the cone yarns and the thread ends of the yarns are respectively positioned at the bobbin cradle and the tension frame, the connecting wire part moves along the lead frame to enable the thread ends of the cone yarns and the thread ends of the yarns at the bobbin cradle and the tension frame to be captured and connected, and the thread ends of the yarns in the warping machine are respectively fixed on the warp beam and the thread storage frame by the thread pressing wire.
Further, the connecting portion includes:
the support rod is movably arranged on the wire frame and moves along the arrangement direction of the cone yarns in the cone frame;
the splicer is fixedly arranged on the supporting rod and corresponds to the position of the single-row cone yarn on the cone frame; and
the thread clamping components are movably arranged on the supporting rods and distributed on two sides of the splicer, and are used for capturing thread ends of yarns on bobbin creels and tension frames on two sides of the splicer into the splicer.
Still further, the thread clamping assembly comprises a first clamping head for capturing thread ends in the tension frame and a second clamping head for capturing bobbin thread ends;
the first chuck and the second chuck comprise:
the rotary driving piece is fixedly arranged on the supporting rod;
the first suction pipe is fixedly arranged on the rotary driving piece at one end, a negative pressure source is fixedly arranged at one end of the first suction pipe, and the other end of the first suction pipe faces towards the bobbin cradle or the tension bracket;
the second suction pipe is fixedly arranged at the other end of the first suction pipe and is communicated with the first suction pipe, and a through hole is formed in one side, facing the bobbin cradle or the tension bracket, of the second suction pipe;
the first suction tube moves along with the rotation driving piece, so that the other end of the first suction tube moves from the bobbin cradle or the tension bracket to the other side of the splicer.
Preferably, the yarn feeding device further comprises a third straw arranged in the second chuck, wherein the third straw is arranged parallel to the radial direction of the yarn cone, one side of the third straw is communicated with the first straw, the other side of the third straw is movably connected with a second straw which is symmetrically arranged, and the through opening of the second straw faces the cylindrical surface of the yarn cone.
Still further, the pressing line part includes:
the clamping strips are detachably arranged on two sides of the wire storage frame; and
and the clamping hoops are used for fixing the clamping strips and are respectively fixedly arranged at the end parts of the warp beam.
Preferably, the warp beam further comprises a ring groove which is arranged at the end part of the warp beam and used for installing a clamp, the clamp facing the axis of the warp beam is movably arranged on the inner wall of the ring groove, and the end part of the warp beam is rotationally connected with the beam body of the warp beam.
Further, still include the yarn feeding mechanism that is used for transporting the beam of the warping unit, yarn feeding mechanism arranges between warping unit, warp knitting unit and design unit, yarn feeding mechanism includes:
the rail frame is fixedly arranged on the ground and used for forming a movement path of the warp beam;
the bracket is movably arranged in the horizontal direction of the rail frame and is used for fixing the bearing warp beam; and
the stretcher is movably arranged on the stretcher in the vertical direction of the bracket and is used for loading and unloading the warp beam;
the warp beam unloaded in the warping unit rolls down into the bracket along the stretcher, the warp beam is installed through the stretcher after moving to the warp knitting unit along the rail, and the fabric grey cloth formed by the yarns after warp knitting is wound on the warp beam again and moves to the shaping unit through the bracket.
Still further, still include the rail groove that is arranged in the warping unit and is used for removing the creel, rail groove extends to the rail frame department of feed mechanism and communicates the setting, and the rotational connection setting between creel and the base.
Preferably, the yarn frame is detachably mounted on the stretcher, the yarn frame loaded with the yarn is placed on the stretcher when the yarn is assembled and disassembled, then the bracket pulls the stretcher to the rail groove, and the yarn on the creel is assembled and disassembled.
The invention also provides a production process for the elastic double-layer warp knitting fabric production system, which comprises the following steps of:
s10, yarn warping: the warping machine in the warping unit curls and warps the creel mounted on the creel, and when the warp beam in the warping machine finishes warping of the yarns with set length, the yarns are unloaded and replaced by a stretcher in the yarn feeding mechanism, and the creel slides out along the rail groove along with the creel for replacement;
s20, warp knitting fabric: the yarn feeding frame conveys the warp beams in the step S10 to the warp knitting unit along the rail frame, yarns which are uniformly distributed and separated are directly connected to knitting needles of a warp knitting machine through holding strips on the warp beams, and after being warp knitted into grey cloth of double-layer fabric, the grey cloth is wound on a new warp beam again and conveyed to a subsequent process through a bracket;
s30, dyeing and finishing and shaping: after the knitted grey cloth is preprocessed along with the wound warp beams, the warp beams are installed and loaded on dyeing and finishing equipment one by one, and dyeing and finishing coloring and shaping treatment are carried out on the grey cloth through the processes of unwinding the grey cloth and re-winding the grey cloth for multiple times, so that the required elastic double-layer warp knitted fabric is obtained.
The invention has the beneficial effects that:
(1) The yarn splicing device of the connecting line part and the clamping strip of the pressing line part in the connecting line mechanism are utilized to connect the yarn at the bobbin cradle and the warping machine in the warping process, meanwhile, the yarn knot connected by the splicing device is small in size, the phenomenon that the yarn knot in the warping process is curled to the warp beam to cause bulges and gaps between adjacent yarns is avoided, the uniformity of stress of the yarns on the warp beam is maintained, and the warping quality of the warp knitted fabric yarns is improved.
(2) According to the invention, the supporting rod is pulled by the driving machine to move along the lead frame between the bobbin cradle and the tension frame, so that the supporting rod moves back to the opening direction of the splicer, after the yarns between the bobbin cradle and the tension frame are connected by the splicer, the splicer continuously moves along the lead frame along with the supporting rod, the yarns in the next row of the bobbin cradle are continuously connected, and meanwhile, the splicer arranged in a single row on the supporting rod is utilized for connecting multiple rows of the yarns in the bobbin cradle, so that the use quantity and cost of the splicer are reduced, and the connection efficiency and connection quality in a warping process are improved.
(3) According to the invention, the first suction pipe is rotated to enable the second suction pipe to move towards the creel or the tension frame, when the second suction pipe moves the thread ends of yarns, the thread ends of the yarns are sucked into the through holes to be captured, then the second suction pipe is enabled to circumferentially move by the first suction pipe, so that the captured end parts of the yarns are placed into the splicer, and automatic wiring of the thread connecting part on the yarns in the creel is realized.
(4) According to the warp-knitted fabric yarn warping machine, the clamping strip is made of metal with elastic deformation performance, such as a copper sheet and an aluminum sheet or soft plastic material, so that the clamping strip is matched with the curvature of the curled yarn on the warp beam, the influence on the warping yarn is reduced, and in the process, the yarn cutting and connecting line knot in the warping machine keeps a uniform arrangement state with the yarn on the warp beam, so that the warping quality of the warp-knitted fabric yarn is improved.
(5) The yarn knotted by the holding strip is separated clearly, so that the thread ends of the yarn can be conveniently and directly arranged on the warp knitting machine, the workload of manual yarn combing is reduced, the yarn is then transported to the shaping unit after being knitted into grey cloth in the warp knitting process, and the warp beam with the holding clamp returns to the warping unit again through the yarn feeding mechanism.
In conclusion, the method has the advantages of improving the warping quality of the yarn of the elastic double-layer warp knitted fabric, improving the wiring efficiency in the warping process, improving the wiring quality and the like.
Drawings
FIG. 1 is a schematic diagram of a warping unit according to the present invention;
FIG. 2 is a schematic view of a creel structure of the present invention;
FIG. 3 is a schematic diagram of a first wiring unit according to the present invention;
FIG. 4 is a schematic diagram of a second wiring unit structure according to the present invention;
FIG. 5 is a schematic diagram of the operational state of the warping machine according to the present invention;
FIG. 6 is a schematic view of the operational state of the creel structure of the present invention;
FIG. 7 is an enlarged partial schematic view of FIG. 2A;
FIG. 8 is an enlarged partial schematic view at B in FIG. 2;
fig. 9 is a flow chart of the production process of the invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only one embodiment of the apparatus of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1-2 and 9, the embodiment provides a production system and a production process of an elastic double-layer warp knitting fabric,
a production system of elastic double-layer warp-knitted fabric comprises a warping unit, a warp-knitted unit and a shaping unit;
the warping unit includes the warper 1 that warping the yarn and is used for placing creel 2 of cone yarn 20, and the activity is equipped with in the warper 1 and deposits the line frame 11, and the tension frame 21 has been set firmly in the creel 2 outside, has arranged lead frame 22 between creel 2 and the tension frame 21, still includes:
a connection mechanism 3, wherein the connection mechanism 3 comprises one or more of a first connection unit 31 arranged on the lead frame 22 and used for connecting the cone yarn 20 and the yarn or a second connection unit 32 arranged on the thread storage frame 11 and used for connecting the warp beam 10 and the yarn;
the first connecting unit 31 includes a connecting portion 310 movably disposed on the lead frame 22;
the second connection unit 32 includes a wire pressing portion 320 detachably disposed on the wire storage frame 11;
when the yarn is spliced, the thread ends of the cone yarn 20 and the yarn thread ends are respectively positioned at the cone frame 2 and the tension frame 21, the connecting line part 310 moves along the lead frame 22 to capture and connect the thread ends of the cone yarn 20 and the yarn thread ends at the cone frame 2 and the tension frame 21, and the thread ends of the yarn in the warping machine 1 are respectively fixed on the beam 10 and the storage frame 11 by the thread pressing part 320.
In the warping process of warp knitting fabric yarns, when the length of the curled yarns on the warp beam 10 reaches a set value or the yarns of the yarns 20 are consumed, the yarns need to be disconnected from the warp beam 10 in the warping machine 1 to replace the new warp beam 10 for continuous warping, the new yarns 20 are connected with the yarns on the warp beam 10, when the yarns at the warp beam 10 are cut off, the two ends of the disconnected yarns are respectively fixed on clamping strips 3201 of a pressing line part 320, then the clamping strips 3201 of the pressing line part 320 are mounted on a thread storage frame 11 and the warp beam 10, so that the disconnected yarns keep a uniform arrangement state, when the yarns at the creel 2 are connected, the clamping heads of the connecting line part 310 respectively capture the thread ends of the yarns 20 and the yarns, and pull the thread ends into a splicer 3102 of the connecting line part 310 for wiring, and the movement of the connecting line part 310 along a thread guide 22 is completed for wiring a large number of the yarns 20 arranged in the creel 2;
in this embodiment, the splicer 3102 of the connecting portion 310 and the clamping strip 3201 of the pressing portion 320 in the connecting mechanism 3 are utilized to connect the yarn at the creel 2 and the warper 1 in the warping process, and replace the operation of manual connection, meanwhile, the yarn knot connected by the splicer 3102 has small volume, broken yarn thread ends of the clamping strip 3201 keep uniformly distributed along the warp beam 10, and further, the phenomenon that the yarn knot in the warping process is curled to the warp beam 10 to cause bulges and gaps between adjacent yarns is avoided, and the uniformity of the stress of the yarn on the warp beam 10 is maintained, so that the warping quality of the warp knitted fabric yarn is improved.
As shown in fig. 2-3, the connection part 310 includes:
a support 3101, the support 3101 movably provided on the thread guide 22 moves in the arrangement direction of the package tray 2 with respect to the package yarn 20;
splicer 3102, splicer 3102 fixed to pole 3101 corresponds to the position of single-row yarn 20 on creel 2; and
the thread clamping assemblies 33 are movably arranged on the support rod 3101, the thread clamping assemblies 33 are distributed on two sides of the splicer 3102, and the thread clamping assemblies 33 are used for capturing thread ends of yarns on the creel 2 and the tension frame 21 on two sides of the splicer 3102 into the splicer 3102.
In this embodiment, a large number of yarns 20 arranged on the creel 2 need to be connected with yarns on the tension frame 21 towards the warping machine 1 respectively, the driving machine pulls the supporting rod 3101 to move along the guide frame 22 between the creel 2 and the tension frame 21, so that the splicer 3102 sequentially passes through the yarns 20 arranged on the creel 2, the clamping heads of the thread clamping assembly 33 respectively capture the yarn heads on two sides of the splicer 3102, the supporting rod 3101 moves back to the opening direction of the splicer 3102, after the yarns between the creel 2 and the tension frame 21 are connected by the splicer 3102, the splicer 3102 continuously moves along the guide frame 22 along with the supporting rod 3101, the next row of yarns of the creel 2 is continuously spliced, the operation of manual splicing is replaced, the splicer 3102 is smaller than the line splicing volume of manual splicing, and simultaneously, the splicer 3102 arranged in a single row on the supporting rod 3101 is utilized to finish the splicing of the multiple rows of yarns 20 in the creel 2, the number of splicer 3102 is reduced, the splicing efficiency and the splicing quality in the warping process are improved.
As shown in fig. 2-3 and 7-8, the thread clamping assembly 33 includes a first clamp 331 for capturing the thread ends in the tension frame 21 and a second clamp 332 for capturing the thread ends of the bobbin thread 20;
the first chuck 331 and the second chuck 332 include:
a rotation driving member 333, wherein the rotation driving member 333 is fixedly arranged on the support rod 3101;
a first suction pipe 334, wherein one end of the first suction pipe 334 is fixedly arranged on the rotary driving member 333, a negative pressure source 337 is fixedly arranged at one end of the first suction pipe 334, and the other end of the first suction pipe 334 faces the bobbin cradle 2 or the tension bracket 21;
the second suction tube 335 is fixedly arranged at the other end of the first suction tube 334 and is communicated with the first suction tube 334, and a through opening 338 is formed on one side of the second suction tube 335 facing the bobbin cradle 2 or the tension bracket 21;
the first suction pipe 334 moves with the rotation driving member 333, so that the other end of the first suction pipe 334 moves from the creel 2 or the tension frame 21 to the other side of the splicer 3102.
In this embodiment, the rotary driving member 333 rotates the first suction tube 334 to move the second suction tube 335 to the creel 2 or the tension frame 21, the negative pressure source 337 is started to generate negative pressure to the through hole 338 of the second suction tube 335, when the second suction tube 335 moves the thread end of the yarn, the thread end of the yarn is sucked into the through hole 338 to complete capturing of the thread end, then the rotary driving member 333 moves to move the second suction tube 335 circumferentially with the first suction tube 334, the creel 2 or the tension frame 21 on one side of the splicer 3102 is moved to the other side, so that the captured end of the yarn is placed in the splicer 3102, after the yarn is spliced, the first clamping head 331 and the second clamping head 332 are sequentially reset again, and the thread end of the next row of the yarn 20 and the thread is continuously captured along with the movement of the supporting rod 3101, thereby realizing automatic wiring of the yarn in the creel 2 by the connecting portion 310.
As shown in fig. 8, the yarn feeding device further comprises a third suction pipe 336 arranged in the second chuck 332, the third suction pipe 336 is arranged parallel to the radial direction of the bobbin yarn 20, one side of the third suction pipe 336 is communicated with the first suction pipe 334, the other side of the third suction pipe 336 is movably connected with a second suction pipe 335 which is symmetrically arranged, and a through opening 338 of the second suction pipe 335 faces to the cylindrical surface of the bobbin yarn 20.
In this embodiment, the thread end on the bobbin yarn 20 is wound on the bobbin yarn 20 body, it is difficult to be sucked and captured by the second suction tube 335 in the process of passing the end face of the bobbin yarn 20, the second suction tube 335 is slidably mounted on the through groove of the third suction tube 336 facing one side of the bobbin yarn 20 through the third suction tube 336 arranged in the radial direction of the bobbin yarn 20, and a telescopic baffle is fixedly arranged on the surface of the through groove of the third suction tube 336 so as to reduce the air current escaping from the third suction tube 336, then the through hole 338 of the second suction tube 335 faces the cylindrical surface in the circumferential direction of the bobbin yarn 20, and the supporting rod 3101 on the thread guide frame 22 is reciprocally moved in the process of sucking the thread end of the bobbin yarn 20, so that the second suction tube 335 keeps moving in a posture parallel to the axial direction of the bobbin yarn 20, the thread end caught on the bobbin yarn 20 is sucked by the through hole 338 of the second suction tube 335 is ensured, and the thread end of the thread connecting part 310 is maintained in the thread connecting process.
As shown in fig. 4 to 5, the pressing line part 320 includes:
clip 3201, a pair of clip 3201 detachably mounted on both sides of the wire storage rack 11; and
the clips 3202 are used for fixing the clips 3202 of the clip strip 3201, and are respectively fixed at the end parts of the warp beam 10.
In this embodiment, after the length of the yarn wound and beamed on the beam 10 reaches a set value, firstly, the yarn storage frame 11 is rotated to a position close to the yarn on the beam 10, then the clamping strips 3201 are dismounted and clamped to two sides of the yarn to fix the cutting position of the yarn between a pair of clamping strips 3201 fixed on the yarn, then the yarn is cut and the clamping strips 3201 are fixed on the beam 10 and the yarn storage frame 11, finally, the warp beam 10 which is wound and beamed is dismounted by the stretcher 43 of the yarn feeding mechanism 4 and a new beam 10 is mounted, then the clamping strips 3201 which are left on the yarn storage frame 11 are remounted on the clamping clips 3202 of the new beam 10, and then the connection of the yarn and the new beam 10 is completed, wherein the clamping strips 3201 are made of metal such as copper sheets and aluminum sheets or soft plastic materials with elastic deformation performance, so that the clamping strips 3201 are matched with the curvature of the wound yarn on the beam 10, the influence on the warp-beamed yarn is reduced, and in this process, the yarn cutting and connecting line structure of the warp-beamed 1 is kept in a state of evenly arranged with the yarn on the warp beam 10, so that warp quality of warp-beamed fabric is improved;
it should be noted that, after the warp beam 10 is transported to the warp knitting unit, the yarn knotted by the clip 3201 is separated clearly, so that the thread end of the yarn is conveniently and directly installed on the warp knitting machine, the workload of manual yarn combing is reduced, then the warp beam 10 is transported to the shaping unit after being knitted into grey cloth in the warp knitting process, and the warp beam 10 with the clip 3202 is returned to the warping unit again through the yarn feeding mechanism 4.
As shown in fig. 4-5, the warp beam further comprises a ring groove 101 which is arranged at the end of the warp beam 10 and used for installing the clamp 3202, the clamp 3202 facing the axle center of the warp beam 10 is movably arranged on the inner wall of the ring groove 101, and the end of the warp beam 10 is rotationally connected with the beam body of the warp beam 10.
In this embodiment, after the length of the warp yarn on the beam 10 reaches a set value, the thread knot of the warp yarn is fixed by the clamping strip 3201, and the end of the beam 10 is rotated according to the final position of the thread knot, so that the ring groove 101 on the end of the beam 10 corresponds to the position of the clamping strip 3201, to fix the clamping strip 3201 to the beam 10, thereby reducing the size of the ring groove 101 required to be opened on the end of the beam 10, after the clamping strip 3201 is installed, the clamping strip 3201 is abutted against the surface of the warp yarn on the beam 10, such as by using a clamping clip 3202 connected to the inner wall of the ring groove 101 by a spring, so that the warp yarn is in a stable tension state during the transferring process of the beam 10.
Example two
As shown in fig. 1 and 5, the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals, and only the differences from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
the warp beam 10 is provided with a yarn feeding mechanism 4 for transporting the warping unit warp beam 10, the yarn feeding mechanism 4 is arranged among the warping unit, the warp knitting unit and the shaping unit, and the yarn feeding mechanism 4 comprises:
a rail frame 41, wherein the rail frame 41 is fixedly arranged on the ground and is used for forming a moving path of the warp beam 10;
a bracket 42, wherein the bracket 42 movably arranged on the horizontal direction of the rail frame 41 is used for fixing the bearing warp beam 10; and
a stretcher 43 movably provided on the vertical direction of the bracket 42, the stretcher 43 being used for loading and unloading the warp beam 10;
the warp beam 10 discharged from the warping unit rolls down along the stretcher 43 into the bracket 42, is mounted through the stretcher 43 after moving to the warp knitting unit along the rail 41, and the fabric grey cloth formed after warp knitting is wound onto the warp beam 10 again and moves to the shaping unit through the bracket 42.
In this embodiment, the beam 10 after finishing the warping process is transferred to the subsequent process along the yarn feeding mechanism 4, the new beam 10 is moved along the rail 41 by the driving machine on the bracket 42, reloaded onto the warping machine 1 by the stretcher 43, and the height position of the stretcher 43 on the bracket 42 is changed by the telescopic rod 431, so that two sides of the stretcher 43 are respectively connected to the warping machine 1 and the bracket 42, and further an adjustable slope section is formed between the bracket 42 and the loading point of the beam 10 in the warping machine 1, and the beam 10 is moved between the warping machine 1 and the bracket 42 for loading and unloading by utilizing the gravity action, thereby reducing the workload of operators in the warp knitting process.
As shown in fig. 1 and 6, the warping machine further comprises a rail groove which is arranged in the warping unit and used for moving the bobbin creel 2, the rail groove extends to the rail 41 of the yarn feeding mechanism 4 and is communicated with the rail 41, and the bobbin creel 2 is rotatably connected with the base.
In this embodiment, when installing the yarn packages 20 on the creel 2, the creel 2 is moved along the rail groove to the area separated from the tension frame 21, and then the creel 2 is rotated to change the adjacent arranged creels 2 into one row, so that the yarn packages 20 are only required to be loaded and unloaded along the single row of the creel 2, and compared with loading and unloading the yarn packages 20 in the multi-row arranged creel 2, the workload is reduced, the loading and unloading speed of the yarn packages 20 in the area of the creel 2 is improved, the time difference between the replacement of the warp beam 10 in the warping machine 1 is reduced, and the production efficiency of the warping process is improved.
As shown in fig. 6, the yarn frame for loading the yarn 20 is detachably mounted on the stretcher 43, the yarn frame loaded with the yarn 20 is placed on the stretcher 43 when the yarn 20 is assembled and disassembled, then the bracket 42 pulls the stretcher 43 to the rail groove, and the yarn 20 on the creel 2 is assembled and disassembled.
In this embodiment, the stretcher 43 is used to carry the yarn frames for placing a large number of the yarns 20, and the yarn frames are matched with the traction of the driving machine in the bracket 42 to move along the bobbin creel 2 along with the loading and unloading process of the yarns 20, and meanwhile, the telescopic rod 431 of the stretcher 43 can be used to instantly adjust the height position of the yarn frames to match the height of the yarns 20 in the bobbin creel 2, so that the operation of the yarn frames 20 in the loading and unloading process is further optimized, and the yarn feeding mechanism 4 and the redundant yarn feeding mechanism 10 are stored by using the rail grooves arranged in the warping unit due to different working procedures of the warp beam 10 in the warping unit and the shaping unit, and the operation effect of the warp knitting fabric production system is optimized.
Example III
As shown in fig. 9, the embodiment provides a production process for an elastic double layer warp knitting fabric production system, which comprises the following steps:
s10, yarn warping: the warping machine 1 in the warping unit curls and warps the cone yarns 20 mounted on the cone frame 2, when the warp beams 10 in the warping machine 1 finish warping yarns with set length, the new warp beams 10 are dismounted and replaced through the stretcher 43 in the yarn feeding mechanism 4, and the cone yarns 20 slide out along the rail grooves along with the cone frame 2 for replacement;
s20, warp knitting fabric: the yarn feeding frame conveys the warp beam 10 in the step S10 to a warp knitting unit along the rail frame 41, yarns which are spaced apart and uniformly distributed are directly connected to knitting needles of a warp knitting machine through clamping strips 3201 on the warp beam 10, and after being warp knitted into a gray fabric of double-layer fabric, the gray fabric is wound on a new warp beam 10 again and conveyed to a subsequent process through a bracket 42;
s30, dyeing and finishing and shaping: after the knitted grey cloth is preprocessed along with the wound warp beam 10, the warp beam 10 is installed and loaded on dyeing and finishing equipment one by one, and dyeing and finishing, coloring and shaping are carried out on the grey cloth through the processes of unwinding the grey cloth and re-winding the grey cloth for multiple times, so that the required elastic double-layer warp knitted fabric is obtained.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The production system of the elastic double-layer warp knitting fabric comprises a warping unit, a warp knitting unit and a shaping unit, and is characterized in that,
the warping unit includes the warper that warping was carried out the yarn and is used for placing the creel of section of thick bamboo yarn, and the activity is equipped with the deposit frame in the warper, and the tension bracket has been set firmly in the creel outside, has arranged the lead frame between creel and the tension bracket, still includes:
the connecting mechanism comprises a first connecting unit which is arranged on the lead frame and used for connecting the cone yarn and the yarn and a second connecting unit which is arranged on the storage frame and used for connecting the warp beam and the yarn;
the first connecting unit comprises a connecting wire part movably arranged on the lead frame;
the second wiring unit comprises a wire pressing part which is detachably arranged on the wire storage frame;
when the yarn is connected, the thread ends of the cone yarns and the thread ends of the yarns are respectively positioned at the cone frame and the tension frame, the connecting wire part moves along the lead frame to enable the cone yarn ends and the thread ends of the yarns at the cone frame and the tension frame to be captured and connected, and the thread ends of the yarns in the warping machine are respectively fixed on the warp beam and the thread storage frame by the thread pressing wire;
the connecting line portion includes:
the support rod is movably arranged on the wire frame and moves along the arrangement direction of the cone yarns in the cone frame;
the splicer is fixedly arranged on the supporting rod and corresponds to the position of the single-row cone yarn on the cone frame; and
the thread clamping components are movably arranged on the supporting rods and distributed on two sides of the splicer, and are used for capturing thread ends of yarns on bobbin creels and tension frames on two sides of the splicer into the splicer;
the thread clamping assembly comprises a first clamping head for capturing thread ends of yarns in the tension frame and a second clamping head for capturing thread ends of a bobbin;
the first chuck and the second chuck comprise:
the rotary driving piece is fixedly arranged on the supporting rod;
the first suction pipe is fixedly arranged on the rotary driving piece at one end, a negative pressure source is fixedly arranged at one end of the first suction pipe, and the other end of the first suction pipe faces towards the bobbin cradle or the tension bracket;
the second suction pipe is fixedly arranged at the other end of the first suction pipe and is communicated with the first suction pipe, and a through hole is formed in one side, facing the bobbin cradle or the tension bracket, of the second suction pipe;
the first suction pipe moves along with the rotation driving piece, so that the other end of the first suction pipe moves from the bobbin cradle or the tension bracket to the other side of the splicer;
the second chuck is arranged on the upper surface of the bobbin yarn, and is provided with a first suction pipe and a second suction pipe which are symmetrically arranged;
the wire pressing part includes:
the clamping strips are detachably arranged on two sides of the wire storage frame; and
the clamping hoops are used for fixing the clamping strips and are respectively fixedly arranged at the end parts of the warp beam;
still include the yarn feed mechanism that is used for transporting the beam of warping unit, yarn feed mechanism arranges between warping unit, warp knitting unit and design unit, yarn feed mechanism includes:
the rail frame is fixedly arranged on the ground and used for forming a movement path of the warp beam;
the bracket is movably arranged in the horizontal direction of the rail frame and is used for fixing the bearing warp beam; and
the stretcher is movably arranged on the stretcher in the vertical direction of the bracket and is used for loading and unloading the warp beam;
the warp beam unloaded in the warping unit rolls down into the bracket along the stretcher, the warp beam is installed through the stretcher after moving to the warp knitting unit along the rail, and the fabric grey cloth formed by the yarns after warp knitting is wound on the warp beam again and moves to the shaping unit through the bracket.
2. The production system of the elastic double-layer warp knitted fabric according to claim 1, wherein the production system comprises a warp knitted fabric production system,
the warp beam clamping device further comprises a ring groove which is arranged at the end part of the warp beam and used for installing the clamping hoop, the clamping hoop facing the axis of the warp beam is movably arranged on the inner wall of the ring groove, and the end part of the warp beam is rotationally connected with the beam body of the warp beam.
3. The production system of the elastic double-layer warp knitted fabric according to claim 1, wherein the production system comprises a warp knitted fabric production system,
the warping machine further comprises a rail groove which is arranged in the warping unit and used for moving the creel, the rail groove extends to the rail frame of the yarn feeding mechanism and is communicated with the rail frame, and the creel is rotatably connected with the base.
4. The production system of the elastic double-layer warp knitting fabric as claimed in claim 3, characterized in that,
the yarn frame is detachably arranged on the stretcher, when the yarn is assembled and disassembled, the yarn frame loaded with the yarn is placed on the stretcher, then the bracket pulls the stretcher to the rail groove, and the yarn on the creel is assembled and disassembled.
5. The production process for the elastic double warp knit fabric by using the production system for the elastic double warp knit fabric according to any one of claims 1 to 4, comprising the following steps:
s10, yarn warping: the warping machine in the warping unit curls and warps the creel mounted on the creel, and when the warp beam in the warping machine finishes warping of the yarns with set length, the yarns are unloaded and replaced by a stretcher in the yarn feeding mechanism, and the creel slides out along the rail groove along with the creel for replacement;
s20, warp knitting fabric: the yarn feeding frame conveys the warp beams in the step S10 to the warp knitting unit along the rail frame, yarns which are uniformly distributed and separated are directly connected to knitting needles of a warp knitting machine through holding strips on the warp beams, and after being warp knitted into grey cloth of double-layer fabric, the grey cloth is wound on a new warp beam again and conveyed to a subsequent process through a bracket;
s30, dyeing and finishing and shaping: after the knitted grey cloth is preprocessed along with the wound warp beams, the warp beams are installed and loaded on dyeing and finishing equipment one by one, and dyeing and finishing coloring and shaping treatment are carried out on the grey cloth through the processes of unwinding the grey cloth and re-winding the grey cloth for multiple times, so that the required elastic double-layer warp knitted fabric is obtained.
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| CN202211083428.8A CN115323605B (en) | 2022-09-06 | 2022-09-06 | Production system and production process of elastic double-layer warp knitted fabric |
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| CN202211083428.8A CN115323605B (en) | 2022-09-06 | 2022-09-06 | Production system and production process of elastic double-layer warp knitted fabric |
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| CN115323605A (en) | 2022-11-11 |
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