CN210163589U

CN210163589U - A yarn forming mechanism for sweater processing

Info

Publication number: CN210163589U
Application number: CN201920482935.6U
Authority: CN
Inventors: 顾晓青
Original assignee: Zhejiang Fuji Jia Industrial Co ltd
Current assignee: Zhejiang Muzhi Textile Technology Co.,Ltd.
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-03-20
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a yarn forming mechanism for sweater processing belongs to weaving clothing processing machinery equipment field. The utility model discloses an intermittent type biography line mechanism sets up on the guide bracket of reciprocal tractive mechanism top both sides, it is provided with into yarn guide pulley and goes out the yarn guide pulley respectively to lead yarn bracket both sides, the polylith owner swing on the main swing changes the board and assists the swing and change the mutual crisscross setting of board, reciprocal master gear on the main swing changes the roller and assists the reciprocal auxiliary gear meshing of swing on the roller and be connected, preceding wire pressing wheel and the inseparable pressure contact of advancing the yarn guide pulley, back wire pressing wheel and the inseparable pressure contact of play yarn guide pulley, it connects in leading the yarn support to adjust the rotation of commentaries on classics board centre of a circle department. The utility model has the advantages of reasonable design, can be convenient steady carry out segmentation tractive design with the continuous efficient of yarn to can realize the conveying of both ends differential around the yarn according to the needs that the yarn was stereotyped, improve yarn design processing degree of automation, satisfy the needs of plant use.

Description

A yarn forming mechanism for sweater processing

Technical Field

The utility model belongs to weaving garment processing machinery equipment field especially relates to a yarn forming mechanism for sweater processing, mainly is applied to the yarn processing of sweater preparation front process.

Background

Along with the continuous improvement of living standard, people have higher and higher requirements on the quality of clothes, the clothes are not only the initial cold-resisting and warm-keeping effects, but also people gradually pay attention to the aesthetic degree and the wearing comfort degree of the clothes, and the clothes are more required to be fresh, soft, rich in elasticity, extensibility, drapability and breathability, novel in style and comfortable in color. The wool top product mainly refers to a fabric woven by spinning animal hair fibers such as wool, cashmere, rabbit hair and the like into yarns, the existing wool fabric is a high-end fabric in the market and is deeply loved by consumers, the wool fabric is a garment fabric woven by using wool as a main raw material, the wool yarns for manufacturing the fabric are mainly manufactured and processed by adopting the animal fibers, so that the yield is low, the price of the wool fabric is high, and the wool fabric has excellent quality and characteristics, so that the wool fabric is used as the high-end fabric for manufacturing various wool coats, woolen sweaters and the like. The yarn used for manufacturing the sweater is mainly processed by wool raw materials, the yarn made of animal fibers has good elasticity, so that certain traction and shaping are required to be carried out on the yarn in the previous working procedure of manufacturing the sweater, and the adverse phenomena that the sweater is subjected to shrinkage deformation and the like after being cleaned due to good shrinkage elasticity of the yarn which is not subjected to traction and shaping are avoided. The drawing and shaping of the wool yarns are required in the production and processing process, especially for the yarns with high wool content and elastic texture, which is particularly important, the existing shaping mechanism can not realize stable and accurate drawing and shaping of the yarns in sections in the drawing and shaping process of the yarns in the yarn drawing and shaping process, so that the yarn shaping quality is influenced, the existing yarn shaping mechanism is difficult to realize the differential transmission of the front end and the rear end of the yarn drawing and shaping process according to the length change of the yarns in the yarn drawing and shaping process, a single driving motor is utilized to realize the differential transmission of the front end and the rear end of the yarn drawing and shaping process, so that the yarns can not be stably and smoothly transmitted in sequence, the yarn production and processing quality and the yarn shaping and processing automation degree are influenced, and the production and use requirements can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, can be convenient steady carry out segmentation tractive design with the continuous efficient of yarn to can realize the conveying of both ends differential around the yarn according to the needs that the yarn was stereotyped, improve yarn design processing degree of automation, satisfy the yarn modular construction who is used for sweater processing that the production needs.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a yarn forming mechanism for sweater processing which characterized in that: the yarn shaping mechanism for processing the sweater comprises a yarn guide bracket, a reciprocating traction mechanism and an intermittent yarn transmission mechanism, wherein the reciprocating traction mechanism is horizontally and fixedly arranged in the middle of the lower side of the yarn guide bracket, the intermittent yarn transmission mechanism is horizontally and fixedly arranged on the yarn guide bracket on two sides above the reciprocating traction mechanism, the reciprocating traction mechanism comprises a yarn feeding guide wheel, a front conveying bracket, a traction bracket, a main swinging rotary roller, an auxiliary swinging rotary roller, a rear conveying bracket and a yarn discharging guide wheel, the yarn feeding guide wheel and the yarn discharging guide wheel are sequentially and vertically and rotatably connected with two sides of the middle of the yarn guide bracket along the horizontal direction, the front conveying bracket and the rear conveying bracket are sequentially and horizontally and fixedly arranged on the yarn guide bracket between the yarn feeding guide wheel and the yarn discharging guide wheel along the yarn conveying direction, a yarn feeding guide cylinder is horizontally and fixedly arranged on the front conveying bracket on one side of the yarn feeding guide cylinder, the end part of one side of the front swing guide cylinder is hinged with a front conveying support, the end part of one side of the rear conveying support is horizontally and fixedly provided with a yarn outlet guide cylinder along the side of the yarn outlet guide cylinder, the rear conveying support at one side of the yarn outlet guide cylinder is provided with a rear swing guide cylinder, the end part of one side of the rear swing guide cylinder is hinged with a rear conveying support, the drawing support is horizontally and fixedly arranged at the lower side of the yarn guide support in the middle between the front conveying support and the rear conveying support, two sides of the drawing support are respectively and horizontally and rotatably connected with a main swing rotating roller and an auxiliary swing rotating roller, the main swing rotating roller is sequentially and vertically and fixedly provided with a plurality of main swing rotating plates along the horizontal direction, the auxiliary swing rotating rollers are sequentially and vertically and fixedly provided with a plurality of auxiliary swing rotating plates along the horizontal direction, the main swing rotating plates and the auxiliary swing rotating plates are of fan-shaped structures, and the plurality of main, the upper side of the main swing rotating plate is fixedly provided with a main yarn pulling rod along the radial direction of the main swing rotating plate, the upper end of the main yarn pulling rod is fixedly provided with a main yarn guiding ring, the upper side of the auxiliary swing rotating plate is fixedly provided with an auxiliary yarn pulling rod along the radial direction of the auxiliary swing rotating plate, the upper end of the auxiliary yarn pulling rod is fixedly provided with an auxiliary yarn guiding ring, two sides of the middle part of the main swing rotating roller are respectively and vertically and fixedly provided with a reciprocating main gear, two sides of the middle part of the auxiliary swing rotating roller are respectively and vertically and fixedly provided with a reciprocating auxiliary gear, the reciprocating main gear is meshed with the reciprocating auxiliary gear, two ends of one side of the drawing support are respectively and vertically and fixedly provided with a cylinder support, the cylinder support is vertically and fixedly arranged on the drawing support on one side of the main swing rotating plate, one side of the cylinder support is horizontally and fixedly provided with, the upper side of the horizontal pushing wedge block is provided with a push plate inclined plane, the main swing rotating plate is horizontally and rotatably connected with a push plate guide wheel along the side of the horizontal pushing wedge block, the push plate guide wheel rolls along the push plate inclined plane, the lower end part of the main swing rotating plate is fixedly provided with a main reset pull rod, a main reset tension spring is obliquely arranged between the main reset pull rod and the bottom of the traction support, the lower end part of the auxiliary swing rotating plate is fixedly provided with an auxiliary reset pull rod, an auxiliary reset tension spring is obliquely arranged between the auxiliary reset pull rod and the bottom of the traction support, the main reset tension spring and the auxiliary reset tension spring on two sides above the traction support are symmetrically arranged, the intermittent yarn conveying mechanism comprises a yarn conveying motor, a front yarn pressing rotating shaft, a rear yarn pressing rotating shaft, an adjusting rotating plate, a lifting cylinder and an adjusting toothed plate, the yarn guiding support on the upper side of the yarn feeding guide wheel is horizontally and rotatably connected with a front, the front wire pressing wheel is tightly pressed and contacted with the yarn feeding guide wheel, the yarn guide bracket on the upper side of the yarn outlet guide wheel is horizontally and rotatably connected with a rear wire pressing rotating shaft, the rear wire pressing rotating shaft is sequentially and vertically fixedly provided with an output auxiliary chain wheel, a second chain wheel and a rear wire pressing wheel from inside to outside along the horizontal direction, the rear wire pressing wheel is tightly pressed and contacted with the yarn outlet guide wheel, the wire transmission motor is horizontally and fixedly arranged on one side above the yarn guide bracket, the output end of the wire transmission motor is vertically provided with an output main chain wheel, the output main chain wheel and the output auxiliary chain wheel are connected by adopting output chain transmission, one side above the front wire pressing rotating shaft is horizontally and rotatably connected with a first connecting shaft, the first connecting shaft is sequentially and vertically and fixedly provided with a first gear and a third chain wheel from inside to outside along the horizontal direction, the first chain wheel and the third chain wheel are connected by adopting first chain, a second gear is vertically and fixedly arranged at the outer end of the second connecting shaft and is meshed with the first gear, an adjusting rotating plate is arranged on a yarn guide support on one side of the second gear and is of a fan-shaped structure, the circle center of the adjusting rotating plate is rotatably connected to the yarn guide support, a swing rack is fixedly arranged on the outer side of the circle center of the adjusting rotating plate, a toothed plate support is vertically and fixedly arranged on the yarn guide support on one side of the adjusting rotating plate, an adjusting toothed plate is arranged in the toothed plate support in a sliding mode along the vertical direction, a lifting cylinder is vertically and downwardly fixedly arranged at the end part of the upper side of the toothed plate support, the output end of the lifting cylinder is fixedly connected with the end part of the upper side of the adjusting toothed plate, the adjusting toothed plate is meshed with the swing rack on the outer side of the adjusting rotating plate, a third connecting shaft is horizontally and rotatably connected to one side of the circle center, A fifth chain wheel and a sixth chain wheel, wherein the two ends of the outer side of the adjusting rotating plate are respectively and horizontally connected with a fourth connecting shaft and a fifth connecting shaft in a rotating way, the fourth connecting shaft is vertically and fixedly provided with a third gear and a seventh chain wheel in sequence from inside to outside along the horizontal direction, the seventh chain wheel is in transmission connection with the fifth chain wheel by a second chain, the fifth connecting shaft is vertically and fixedly provided with a fourth gear and an eighth chain wheel in sequence from inside to outside along the horizontal direction, the eighth chain wheel is in transmission connection with the fourth chain wheel by a third chain, a sixth connecting shaft is horizontally and rotatably connected to one side above the rear pressing line rotating shaft, a ninth chain wheel and a tenth chain wheel are sequentially and vertically and fixedly arranged on the sixth connecting shaft from inside to outside along the horizontal direction, and the second chain wheel is in transmission connection with the ninth chain wheel through a fourth chain, and the tenth chain wheel is in transmission connection with the sixth chain wheel through a fifth chain.

Furthermore, a yarn inlet pressing groove is formed in the middle of the yarn inlet guide wheel, and a yarn outlet pressing groove is formed in the middle of the yarn outlet guide wheel.

Furthermore, the front swing guide cylinder is fixedly provided with a front yarn guide cylinder along the side of the traction support in a communicating manner, the rear swing guide cylinder is fixedly provided with a rear yarn guide cylinder along the side of the traction support in a communicating manner, and the front yarn guide cylinder and the rear yarn guide cylinder are both of a middle necking bell mouth structure.

Further, the width of the second gear is matched with the width of a third gear and the width of a fourth gear, and the third gear and the fourth gear are in alternate meshed connection with the second gear.

Furthermore, the wire transmission motor of the intermittent wire transmission mechanism is a servo motor.

Further, all chain wheels included in the intermittent wire conveying mechanism have the same diameter size structure, the first gear and the second gear have the same diameter size structure, the ratio of the diameter size of the third gear to the diameter size of the second gear is 0.8:1.0, and the ratio of the diameter size of the fourth gear to the diameter size of the second gear is 0.7: 1.0.

Compared with the prior art, the utility model, have following advantage and effect: the utility model has the advantages of reasonable design, through reciprocal traction mechanism horizontal fixation set up in the middle part of the guide bracket downside, intermittent type biography mechanism horizontal fixation sets up on the guide bracket of reciprocal traction mechanism top both sides, utilize intermittent type biography mechanism to make and can convey the steady accurate segmentation of yarn, utilize reciprocal traction mechanism to make and can be high-efficient convenient segmentation tractive design of the yarn of segmentation conveying, intermittent type biography mechanism can utilize single biography line motor to realize the differential conveying of both ends around the tractive design process, make the yarn can steadily orderly carry out the conveying, and can be according to the type specification regulation tractive design process of yarn the front and back yarn conveying velocity ratio, through leading yarn bracket middle part both sides along the horizontal direction vertical rotation in proper order and being connected with into yarn guide pulley and play yarn guide pulley, make the yarn can carry out the conveying along advancing yarn guide pulley and play yarn guide pulley in proper order, the front conveying support and the rear conveying support are fixedly arranged on the yarn guide support between the yarn inlet guide wheel and the yarn outlet guide wheel in an orderly horizontal manner along the yarn conveying direction, the yarn inlet guide cylinder and the front swinging guide cylinder are fixedly arranged on the front conveying support in an orderly horizontal manner along the yarn conveying direction, one end part of one side of the front swinging guide cylinder is hinged to the front conveying support, so that the yarn conveyed along the yarn inlet guide wheel can be continuously conveyed along the yarn inlet guide cylinder, the front swinging guide cylinder can swing back and forth under the traction action of the yarn, the rear swinging guide cylinder and the yarn outlet guide cylinder are fixedly arranged on the rear conveying support in an orderly horizontal manner along the yarn conveying direction, one end part of one side of the rear swinging guide cylinder is hinged to the rear conveying support, the rear swinging guide cylinder can swing back and forth under the traction action of the yarn, and the yarn can be accurately conveyed to a rear process along the yarn outlet guide cylinder and the yarn outlet guide wheel, the yarn feeding end and the yarn outlet end which are used for carrying out the drawing process can be stably and smoothly conveyed, the phenomenon that the yarns are scraped in the conveying process due to the fact that the conveying folded angle is too large is avoided, a main swinging rotary roller and an auxiliary swinging rotary roller are respectively connected to the two sides of a drawing support in a horizontally rotating mode, a plurality of main swinging rotary plates are sequentially and vertically and fixedly arranged on the main swinging rotary roller along the horizontal direction, a plurality of auxiliary swinging rotary plates are sequentially and vertically and fixedly arranged on the auxiliary swinging rotary roller along the horizontal direction, the main swinging rotary plates and the auxiliary swinging rotary plates are mutually staggered, a main yarn guide ring is fixedly arranged at the upper end of a main yarn drawing rod on the main swinging rotary plate, an auxiliary yarn guide ring is fixedly arranged at the upper end of an auxiliary yarn drawing rod on the auxiliary swinging rotary plate, a reciprocating main gear on the two sides of the middle portion of the main swinging rotary roller and reciprocating auxiliary gears on the two sides of the middle portion of the auxiliary swinging rotary roller are, the main swing rotating roller and the auxiliary swing rotating roller can synchronously rotate in opposite directions under the action of external force, so that the main swing rotating plate and the auxiliary swing rotating plate can synchronously convey in opposite directions in the conveying process of yarns, the continuous and efficient segmentation of the yarns between the yarn feeding guide wheels and the yarn discharging guide wheels is realized, a cylinder support is vertically and fixedly arranged on a drawing support on one side of the main swing rotating plate, a drawing cylinder is vertically and fixedly arranged on the main swing rotating roller and the auxiliary swing rotating roller, a horizontal pushing wedge block is horizontally and fixedly arranged at the output end of the drawing cylinder, a push plate inclined surface is arranged on the upper side of the horizontal pushing wedge block, the main swing rotating plate is horizontally and rotatably connected with a push plate guide wheel along the horizontal pushing wedge block side, the push plate guide wheel rolls along the push plate inclined surface, a main reset tension spring is obliquely arranged between a main reset pull rod on the lower side of the main swing rotating plate and the bottom of the drawing support, and an auxiliary, the horizontal pushing wedge block is horizontally pushed by the drawing cylinder, so that the main swinging rotating plate rotates under the pushing action of the horizontal pushing wedge block, the auxiliary swinging rotating plate can synchronously rotate opposite to the main swinging rotating plate under the driving action of the auxiliary swinging rotating roller to realize the drawing and shaping of yarns, the horizontal pushing wedge block is horizontally pulled by the drawing cylinder, so that the main swinging rotating plate and the auxiliary swinging rotating plate can reset and rotate under the synergistic action of the main resetting tension spring and the auxiliary resetting tension spring, the main swinging rotating plate and the auxiliary swinging rotating plate can continuously and efficiently swing in a reciprocating way, the continuous drawing and shaping processing of the yarns in a segmented and stable way can be ensured, the front yarn guide cylinder fixedly communicated with the front swinging guide cylinder and the rear yarn guide cylinder fixedly communicated with the rear swinging guide cylinder are of a middle necking bell mouth structure, the yarns can be stably, efficiently and accurately conveyed, and the yarns are prevented from being separated from a yarn inlet guide wheel and a yarn outlet guide wheel due to the jumping of the yarns in the conveying process, the front wire pressing wheel is tightly pressed and contacted with the yarn feeding guide wheel, the rear wire pressing wheel is tightly pressed and contacted with the yarn discharging guide wheel, so that the yarn can be driven to be in a static state and a transmission state by stopping and rotating the front wire pressing wheel and the rear wire pressing wheel, the yarn between the yarn feeding guide wheel and the yarn discharging guide wheel can be accurately and efficiently drawn, shaped and processed in a yarn drawing process, the circle center of the adjusting rotating plate is rotationally connected to the yarn guide bracket by adjusting the rotating plate to be in a fan-shaped structure, the outer side of the circle center of the adjusting rotating plate is fixedly provided with the swinging rack, the adjusting toothed plate is arranged in the toothed plate bracket on the yarn guide bracket on one side of the adjusting rotating plate in a sliding mode along the vertical direction, the output end of the lifting cylinder is fixedly connected with the upper end part of the adjusting toothed plate, the adjusting toothed plate is meshed and connected with the swinging rack, the adjusting rotating plate can smoothly and stably reciprocate along the vertical direction, the width of the second gear is matched with the width of the third gear and the fourth gear, the third gear and the fourth gear are alternatively meshed and connected with the second gear in the process of driving the adjusting rotating plate to reciprocate by the lifting cylinder, a tenth chain wheel outside a sixth connecting shaft and a sixth chain wheel outside the third connecting shaft are in transmission connection by a fifth chain, a thread transmission motor is horizontally and fixedly arranged at one side above the thread guide bracket, an output main chain wheel at the output end of the thread transmission motor and an output auxiliary chain wheel of a rear thread pressing rotating shaft are in transmission connection by an output chain, the thread transmission motor at one side of the thread guide bracket can be used for driving a front thread pressing wheel and a rear thread pressing wheel at two sides of the intermittent thread transmission mechanism to respectively rotate, the sectional transmission of the threads is realized, the whole intermittent thread transmission mechanism adopts a single thread transmission motor, the automatic yarn feeding device can reduce the operation energy consumption, can always keep the synchronous start and stop of the front wire pressing wheel and the rear wire pressing wheel at the two sides of the yarn guide bracket, and avoids the over-tensioning or over-loosening of the yarn caused by the asynchronous operation of the front wire pressing wheel and the rear wire pressing wheel at the two sides of the yarn guide bracket, the yarn feeding pressure groove is arranged at the middle part of the yarn feeding guide wheel, the yarn discharging pressure groove is arranged at the middle part of the yarn discharging guide wheel, so that the front wire pressing wheel is tightly pressed and arranged in the yarn feeding pressure groove, the rear wire pressing wheel is tightly pressed and arranged in the yarn discharging pressure groove, the yarn can be prevented from generating skew deviation in the conveying process, the yarn can be ensured to be conveyed stably and accurately all the time, the wire conveying motor of the intermittent wire conveying mechanism is used as a servo motor, the servo motor is quick to start and stop, the operation is stable and accurate, each section of the conveying, the first gear and the second gear have the same diameter size structure, the ratio of the diameter size of the third gear to the diameter size of the second gear is 0.8:1.0, the ratio of the diameter size of the fourth gear to the diameter size of the second gear is 0.7:1.0, the third gear and the fourth gear are driven by the lifting cylinder to swing in a reciprocating mode along the vertical direction by utilizing the adjusting rotating plate, the third gear and the fourth gear are respectively meshed and connected with the second gear, the diameter sizes of the third gear and the fourth gear are smaller than that of the second gear, the rotating speed of the rear wire pressing wheel is higher than that of the front wire pressing wheel, the rear wire pressing wheel can convey the yarn with the lengthened drawing length to a rear procedure rapidly in the process of conveying the yarn in sections, the front wire pressing wheel can convey the yarn which is not drawn normally to a position between the yarn inlet guide wheel and the yarn outlet guide wheel stably, and the rotating conveying speed difference of the front wire pressing wheel and the rear wire pressing wheel is utilized, make the yarn can steadily orderly carry out the segmentation conveying all the time, the diameter size proportion that utilizes third gear and fourth gear and second gear is different, can satisfy the difference of the increase length of different yarns after the tractive, can adjust the transfer rate ratio of yarn around the tractive design process according to the kind specification of yarn, has increased application scope, and the yarn that is applicable to multiple kind specification carries out tractive design processing, through such structure, the utility model has the advantages of reasonable design, can be convenient steady carry out the segmentation tractive design with the continuous efficient of yarn to can realize the differential conveying in both ends around the yarn according to the needs that the yarn was stereotyped, improve yarn design processing degree of automation, satisfy the needs of plant use.

Drawings

Fig. 1 is a schematic structural view of a yarn shaping mechanism for sweater processing according to the present invention.

Fig. 2 is a front view schematic diagram of the reciprocating traction mechanism of the present invention.

Fig. 3 is a schematic top view of the reciprocating drawing mechanism of the present invention.

Fig. 4 is a right-side structural schematic view of the pulling support and the related mechanism thereof according to the present invention.

Fig. 5 is a schematic structural view of the intermittent wire feeding mechanism of the present invention.

Fig. 6 is a schematic top view of the intermittent wire feeding mechanism of the present invention.

In the figure: 1. a yarn guide bracket, 2, a reciprocating traction mechanism, 3, an intermittent yarn conveying mechanism, 4, a yarn feeding guide wheel, 5, a front conveying bracket, 6, a traction bracket, 7, a main swinging rotary roller, 8, an auxiliary swinging rotary roller, 9, a rear conveying bracket, 10, a yarn outlet guide wheel, 11, a yarn inlet guide cylinder, 12, a front swinging guide cylinder, 13, a yarn outlet guide cylinder, 14, a rear swinging guide cylinder, 15, a main swinging rotary plate, 16, an auxiliary swinging rotary plate, 17, a main yarn pulling rod, 18, a main yarn guiding ring, 19, an auxiliary yarn pulling rod, 20, an auxiliary yarn guiding ring, 21, a reciprocating main gear, 22, a reciprocating auxiliary gear, 23, a cylinder support, 24, a traction cylinder, 25, a horizontal pushing wedge block, 26, a slope push plate, 27, a push plate guide wheel, 28, a main reset pull rod, 29, a main reset tension spring, 30, an auxiliary reset pull rod, 31, an auxiliary reset tension spring, 32, a yarn conveying motor, 33, a front press line rotating shaft, 34, a rear press line, 35. an adjusting rotating plate, 36 lifting cylinders, 37 adjusting toothed plates, 38 first chain wheels, 39 front wire pressing wheels, 40 output auxiliary chain wheels, 41 second chain wheels, 42 rear wire pressing wheels, 43 output main chain wheels, 44 output chain wheels, 45 first connecting shafts, 46 first gear wheels, 47 third chain wheels, 48 first chains, 49 second connecting shafts, 50 second gear wheels, 51 swinging rack bars, 52 toothed plate supports, 53 third connecting shafts, 54 fourth chain wheels, 55 fifth chain wheels, 56 sixth chain wheels, 57 fourth connecting shafts, 58 fifth connecting shafts, 59 third gear wheels, 60 seventh chain wheels, 61 second chains, 62 fourth gear wheels, 63 eighth chain wheels, 64 third chains, 65 sixth chain wheels, 66 ninth chain wheels, 67 tenth chain wheels, 68 fourth chains, 69 fifth connecting shafts, 70 yarn feeding grooves, 71. and a yarn outlet pressure groove, 72, a front yarn guide drum, 73 and a rear yarn guide drum.

Detailed Description

For further description of the present invention, a specific embodiment of a yarn setting mechanism for sweater manufacturing will be further described below with reference to the accompanying drawings, and the following embodiments are illustrative of the present invention and the present invention is not limited to the following embodiments.

As shown in fig. 1, the utility model relates to a yarn forming mechanism for sweater processing, including leading yarn support 1, reciprocal traction mechanism 2 and intermittent type biography line mechanism 3, reciprocal traction mechanism 2 horizontal fixation sets up in leading yarn support 1 downside middle part, and intermittent type biography line mechanism 3 horizontal fixation sets up on leading yarn support 1 of reciprocal traction mechanism 2 top both sides. As shown in fig. 2 and 3, the reciprocating drawing mechanism 2 of the present invention comprises a yarn feeding guide wheel 4, a front conveying frame 5, a drawing frame 6, a main swinging roller 7, an auxiliary swinging roller 8, a rear conveying frame 9 and a yarn discharging guide wheel 10, wherein both sides of the middle part of the yarn guiding frame 1 are sequentially vertically and rotatably connected with the yarn feeding guide wheel 4 and the yarn discharging guide wheel 10 along the horizontal direction, the front conveying frame 5 and the rear conveying frame 9 are sequentially and horizontally and fixedly arranged on the yarn guiding frame 1 between the yarn feeding guide wheel 4 and the yarn discharging guide wheel 10 along the yarn conveying direction, a yarn feeding guide drum 11 is horizontally and fixedly arranged on the front conveying frame 5 along the side of the yarn feeding guide wheel 4, a front swinging guide drum 12 is arranged on the front conveying frame 5 on one side of the yarn feeding guide drum 11, one side end of the front swinging guide drum 12 is hinged to the front conveying frame 5, a yarn discharging guide drum 13 is horizontally and fixedly arranged on the rear conveying frame 9 on one side of the yarn discharging guide drum 13 along the side of the yarn discharging guide wheel 10, one side end part of the rear swing guide cylinder 14 is hinged with the rear conveying support 9, the drawing support 6 is horizontally and fixedly arranged at the lower side of the yarn guide support 1 at the middle part between the front conveying support 5 and the rear conveying support 9, as shown in figure 4, two sides of the drawing support 6 of the utility model are respectively and horizontally and rotatably connected with a main swing rotating roller 7 and an auxiliary swing rotating roller 8, the main swing rotating roller 7 is sequentially and vertically and fixedly provided with a plurality of main swing rotating plates 15 along the horizontal direction, the auxiliary swing rotating roller 8 is sequentially and vertically and fixedly provided with a plurality of auxiliary swing rotating plates 16 along the horizontal direction, the main swing rotating plates 15 and the auxiliary swing rotating plates 16 are both in fan-shaped structures, the plurality of main swing rotating plates 15 on the main swing rotating roller 7 and the plurality of auxiliary swing rotating plates 16 on the auxiliary swing rotating rollers 8 are mutually staggered, the upper side of the main swing rotating plates 15 is fixedly provided with a main yarn drawing rod 17 along the radial direction of the main swing rotating plates, an auxiliary yarn pulling rod 19 is fixedly arranged on the upper side of the auxiliary swing rotating plate 16 along the radial direction of the auxiliary swing rotating plate 16, an auxiliary yarn guiding ring 20 is fixedly arranged at the upper end of the auxiliary yarn pulling rod 19, a reciprocating main gear 21 is respectively and vertically and fixedly arranged on two sides of the middle part of the main swing rotating roller 7, a reciprocating auxiliary gear 22 is respectively and vertically and fixedly arranged on two sides of the middle part of the auxiliary swing rotating roller 8, the reciprocating main gear 21 is meshed with the reciprocating auxiliary gear 22, two ends of one side of a drawing support 6 of the utility model are respectively and vertically and fixedly provided with a cylinder support 23, the cylinder support 23 is vertically and fixedly arranged on the drawing support 6 on one side of the main swing rotating plate 15, one side of the cylinder support 23 is horizontally and fixedly provided with a drawing cylinder 24, the drawing cylinder 24 is vertically arranged on the main swing rotating roller 7 and the auxiliary swing rotating roller 8, the output end of the drawing cylinder 24 is horizontally and fixedly provided with a horizontal push wedge block 25, a, the push plate guide wheel 27 rolls along the push plate inclined plane 26, the lower side end part of the main swing rotating plate 15 is fixedly provided with a main reset pull rod 28, a main reset tension spring 29 is obliquely arranged between the main reset pull rod 28 and the bottom of the traction support 6, the lower side end part of the auxiliary swing rotating plate 16 is fixedly provided with an auxiliary reset pull rod 30, an auxiliary reset tension spring 31 is obliquely arranged between the auxiliary reset pull rod 30 and the bottom of the traction support 6, and the main reset tension spring 29 and the auxiliary reset tension spring 31 on the two sides above the traction support 6 are symmetrically arranged.

As shown in FIGS. 5 and 6, the intermittent thread-transferring mechanism 3 of the present invention comprises a thread-transferring motor 32, a front thread-pressing shaft 33, a rear thread-pressing shaft 34, an adjusting plate 35, a lifting cylinder 36 and an adjusting toothed plate 37, wherein the front thread-pressing shaft 33 is horizontally and rotatably connected to the thread-guiding bracket 1 on the upper side of the thread-feeding guide wheel 4, a first chain wheel 38 and a front thread-pressing wheel 39 are vertically and fixedly arranged on the front thread-pressing shaft 33 in the horizontal direction from the inside to the outside, the front thread-pressing wheel 39 is tightly pressed against the thread-feeding guide wheel 4, the rear thread-pressing shaft 34 is horizontally and rotatably connected to the thread-guiding bracket 1 on the upper side of the thread-discharging guide wheel 10, an output auxiliary chain wheel 40, a second chain wheel 41 and a rear thread-pressing wheel 42 are vertically and fixedly arranged on the rear thread-pressing shaft 34 in the horizontal direction from the inside to the outside, the rear thread-pressing, an output main chain wheel 43 is vertically arranged at the output end of the wire transmission motor 32, the output main chain wheel 43 is in transmission connection with the output auxiliary chain wheel 40 by an output chain 44, a first connecting shaft 45 is horizontally and rotatably connected to one side above the front pressing wire rotating shaft 33, a first gear 46 and a third chain wheel 47 are sequentially and vertically and fixedly arranged on the first connecting shaft 45 from inside to outside along the horizontal direction, the first chain wheel 38 is in transmission connection with the third chain wheel 47 by a first chain 48, a second connecting shaft 49 is horizontally and rotatably connected to one side above the first connecting shaft 45, a second gear 50 is vertically and fixedly arranged at the outer end of the second connecting shaft 49, the second gear 50 is in meshing connection with the first gear 46, an adjusting rotating plate 35 is arranged on the yarn guide bracket 1 at one side of the second gear 50, the adjusting rotating plate 35 is of a fan-shaped structure, the center of the adjusting rotating plate 35 is rotatably connected to the yarn guide bracket 1, a swinging rack, a toothed plate bracket 52 is vertically and fixedly arranged on the yarn guide bracket 1 at one side of the adjusting rotating plate 35, an adjusting toothed plate 37 is arranged in the toothed plate bracket 52 in a sliding manner along the vertical direction, a lifting cylinder 36 is vertically and downwardly fixedly arranged at the upper end part of the toothed plate bracket 52, the output end of the lifting cylinder 36 is fixedly connected with the upper end part of the adjusting toothed plate 37, the adjusting toothed plate 37 is meshed and connected with a swing rack 51 at the outer side of the adjusting rotating plate 35, a third connecting shaft 53 is horizontally and rotatably connected with one side of the circle center of the adjusting rotating plate 35, the third connecting shaft 53 is sequentially and vertically and fixedly provided with a fourth chain wheel 54, a fifth chain wheel 55 and a sixth chain wheel 56 from inside to outside along the horizontal direction, a fourth connecting shaft 57 and a fifth connecting shaft 58 are respectively and horizontally and rotatably connected with the outer end of the adjusting rotating plate 35, a third gear 59 and a seventh chain wheel 60 are sequentially and vertically and fixedly arranged from inside to outside along the horizontal direction of the fourth, the fifth connecting shaft 58 is vertically and fixedly provided with a fourth gear 62 and an eighth chain wheel 63 in sequence from inside to outside along the horizontal direction, the eighth chain wheel 63 is in transmission connection with the fourth chain wheel 54 through a third chain 64, one side above the rear pressing line rotating shaft 34 is horizontally and rotatably connected with a sixth connecting shaft 65, a ninth chain wheel 66 and a tenth chain wheel 67 are vertically and fixedly provided on the sixth connecting shaft 65 in sequence from inside to outside along the horizontal direction, the second chain wheel 41 is in transmission connection with the ninth chain wheel 66 through a fourth chain 68, and the tenth chain wheel 67 is in transmission connection with the sixth chain wheel 56 through a fifth chain 69.

The utility model discloses a 4 middle parts of yarn guide wheels are provided with into yarn indent 70, go out yarn guide wheels 10 middle parts and be provided with out yarn indent 71 for in the yarn data send process, preceding fabric wheel 39 compresses tightly and sets up in advancing yarn indent 70, and back fabric wheel 42 compresses tightly and sets up in going out yarn indent 71, makes and can avoid the yarn to produce crooked skew in data send process, also can ensure conveying of the steady accuracy all the time of yarn. The utility model discloses a preceding swing guide cylinder 12 is provided with preceding guide cylinder 72 along the 6 side of tractive support intercommunication is fixed, and back swing guide cylinder 14 is provided with back guide cylinder 73 along the 6 side of tractive support intercommunication is fixed, and preceding guide cylinder 72 is middle part necking down horn mouth structure with back guide cylinder 73 for the yarn can steadily smoothly just high-efficient accurate conveying of carrying on, avoids the yarn to produce in data send process and beats and causes the yarn and advance yarn guide pulley 4 and go out yarn guide pulley 10 and break away from. The utility model discloses a width of second gear 50 and the width looks adaptation of third gear 59 and fourth gear 62 for drive at lift cylinder 36 and adjust commentaries on classics board 35 and carry out reciprocating swing's in-process, third gear 59 and fourth gear 62 mesh in turn with second gear 50 and are connected. The utility model discloses an intermittent type biography line motor 32 of mechanism 3 is servo motor, and servo motor opens and stops rapidly, and the steady operation is accurate, every section conveying length of the accurate control yarn of messenger's ability. The utility model discloses an intermittent type thread transmission mechanism 3 contains all sprocket has the same diameter size structure, first gear 46 and second gear 50 have the same diameter size structure, the ratio of third gear 59 diameter size and second gear 50 diameter size is 0.8:1.0, the ratio of fourth gear 62 diameter size and second gear 50 diameter size is 0.7:1.0, utilize the diameter size of third gear 59 and fourth gear 62 all to be less than second gear 50, make the rotational speed of back fabric wheel 42 faster than front fabric wheel 39 rotational speed, make in the process of carrying the yarn segmentation, back fabric wheel 42 can convey the yarn that becomes long through the tractive length fast to the next process, front fabric wheel 39 can convey the yarn that normal state is not tractive steadily between feed roller 4 and the play yarn guide wheel 10, utilize the rotational conveying speed difference of front fabric wheel 39 and back fabric wheel 42, the yarn can be conveyed in a stable and orderly manner all the time in sections, the diameter size proportion of the third gear 59, the fourth gear 62 and the second gear 50 is different, the difference of the length of different yarns after traction can be met, the conveying speed ratio of the yarns before and after the traction forming process can be adjusted according to the type and the specification of the yarns, the application range is widened, and the yarn traction forming machine is suitable for the yarns of various types and specifications to perform traction forming processing.

By adopting the technical scheme, the utility model relates to a yarn shaping mechanism for sweater processing, when in use, the yarn shaping mechanism is horizontally and fixedly arranged at the middle part of the lower side of a yarn guide bracket 1 through a reciprocating traction mechanism 2, an intermittent yarn-transferring mechanism 3 is horizontally and fixedly arranged on the yarn guide bracket 1 at the two sides above the reciprocating traction mechanism 2, the yarn can be stably and accurately sectionally conveyed by utilizing the intermittent yarn-transferring mechanism 3, the sectionally conveyed yarn can be efficiently and conveniently sectionally drawn and shaped by utilizing the reciprocating traction mechanism 2, the intermittent yarn-transferring mechanism 3 can utilize a single yarn-transferring motor 32 to realize differential conveying at the front end and the rear end of a drawing shaping process, so that the yarn can be stably and orderly conveyed, the conveying speed ratio of the yarn before and after the drawing shaping process can be adjusted according to the type specification of the yarn, a yarn inlet guide wheel 4 and a yarn outlet guide wheel 10 are sequentially and vertically and rotatably connected along, the yarn can be sequentially conveyed along a yarn inlet guide wheel 4 and a yarn outlet guide wheel 10, a front conveying bracket 5 and a rear conveying bracket 9 are sequentially and horizontally fixedly arranged on a yarn guide bracket 1 between the yarn inlet guide wheel 4 and the yarn outlet guide wheel 10 along the yarn conveying direction, a yarn inlet guide cylinder 11 and a front swinging guide cylinder 12 are sequentially and horizontally fixedly arranged on the front conveying bracket 5 along the yarn conveying direction, one side end part of the front swinging guide cylinder 12 is hinged and connected with the front conveying bracket 5, so that the yarn conveyed along the yarn inlet guide wheel 4 can be continuously conveyed along the yarn inlet guide cylinder 11, the front swinging guide cylinder 12 can swing back and forth under the traction action of the yarn, a rear swinging guide cylinder 14 and a yarn outlet guide cylinder 13 are sequentially and horizontally fixedly arranged on the rear conveying bracket 9 along the yarn conveying direction, one side end part of the rear swinging guide cylinder 14 is hinged and connected with the rear conveying bracket 9, the rear swinging guide cylinder 14 can swing back and forth under the traction action of the yarn, and the yarn can be accurately conveyed to the next procedure along the yarn outlet guide cylinder 13 and the yarn outlet guide wheel 10, so that the yarn can be smoothly and stably conveyed at the yarn inlet end and the yarn outlet end of the drawing procedure, the yarn is prevented from being scraped in the conveying process due to overlarge conveying break angle, the two sides of the drawing bracket 6 are respectively and horizontally and rotatably connected with a main swinging rotary roller 7 and an auxiliary swinging rotary roller 8, the main swinging rotary roller 7 is sequentially and vertically and fixedly provided with a plurality of main swinging rotary plates 15 along the horizontal direction, the auxiliary swinging rotary roller 8 is sequentially and vertically and fixedly provided with a plurality of auxiliary swinging rotary plates 16 along the horizontal direction, the plurality of main swinging rotary plates 15 and the plurality of auxiliary swinging rotary plates 16 are mutually staggered, the upper end of a main yarn pulling rod 17 on the main swinging rotary plate 15 is fixedly provided with a main yarn guide ring 18, the upper end of an auxiliary yarn pulling rod 19 on the auxiliary swinging rotary plates 16 is fixedly provided with an auxiliary, the reciprocating main gears 21 at two sides of the middle part of the main swing rotating roller 7 are meshed with the reciprocating auxiliary gears 22 at two sides of the middle part of the auxiliary swing rotating roller 8, yarns sequentially pass through the main yarn guide ring 18 and the auxiliary yarn guide ring 20 in a staggered manner in the conveying process, the main swing rotating roller 7 and the auxiliary swing rotating roller 8 can synchronously rotate in opposite directions under the action of external force, so that the yarns can be synchronously conveyed in opposite directions by using the main swing rotating plate 15 and the auxiliary swing rotating plate 16 in the conveying process, the continuous and efficient segmented yarn drawing and shaping between the yarn feeding guide wheel 4 and the yarn discharging guide wheel 10 are realized, a cylinder support 23 is vertically and fixedly arranged on the drawing support 6 at one side of the main swing rotating plate 15, a drawing cylinder 24 is vertically arranged on the main swing rotating roller 7 and the auxiliary swing rotating roller 8, a horizontal pushing wedge block 25 is horizontally and fixedly arranged at the output end of the drawing cylinder 24, and a pushing plate inclined plane 26 is, the main swing rotating plate 15 is horizontally connected with a push plate guide wheel 27 along the side of the horizontal push wedge block 25 in a rotating way, the push plate guide wheel 27 rolls along a push plate inclined plane 26, a main reset tension spring 29 is obliquely arranged between a main reset pull rod 28 at the lower side of the main swing rotating plate 15 and the bottom of the traction bracket 6, an auxiliary reset tension spring 31 is obliquely arranged between an auxiliary reset pull rod 30 at the lower side of the auxiliary swing rotating plate 16 and the bottom of the traction bracket 6, the horizontal push wedge block 25 is horizontally pushed by a traction cylinder 24, so that the main swing rotating plate 15 rotates under the pushing action of the horizontal push wedge block 25, the auxiliary swing rotating plate 16 can synchronously rotate with the main swing rotating plate 15 in opposite directions under the driving action of an auxiliary swing rotating roller 8, the traction shaping of yarns is realized, the horizontal push wedge block 25 is horizontally pulled by the traction cylinder 24, so that the main swing rotating plate 15 and the auxiliary swing rotating plate 16 can reset and rotate under the synergistic action of the main, the continuous and efficient reciprocating swing of the main swing rotating plate 15 and the auxiliary swing rotating plate 16 is realized, the continuous drawing and shaping processing of the yarn in a segmented and stable manner is ensured, the front yarn guide drum 72 fixedly communicated with the front swing guide drum 12 and the rear yarn guide drum 73 fixedly communicated with the rear swing guide drum 14 are both of a middle necking bell-mouth structure, the yarn can be stably, smoothly, efficiently and accurately conveyed, the yarn is prevented from jumping in the conveying process to cause the separation of the yarn from the yarn inlet guide wheel 4 and the yarn outlet guide wheel 10, the front wire pressing wheel 39 is tightly pressed and contacted with the yarn inlet guide wheel 4, the rear wire pressing wheel 42 is tightly pressed and contacted with the yarn outlet guide wheel 10, the yarn can be driven to be in a static state and a conveying state by utilizing the stop and rotation of the front wire pressing wheel 39 and the rear wire pressing wheel 42, the high-efficient drawing and shaping processing of the yarn between the yarn inlet guide wheel 4 and the yarn outlet guide wheel 10 in the yarn drawing process is ensured, the adjusting rotating plate 35 is of a fan-shaped structure, the center of the adjusting rotating plate 35 is rotatably connected to the yarn guide bracket 1, the outer side of the center of the adjusting rotating plate 35 is fixedly provided with a swing rack 51, the inside of a toothed plate bracket 52 on the yarn guide bracket 1 on one side of the adjusting rotating plate 35 is provided with an adjusting toothed plate 37 in a sliding manner along the vertical direction, the output end of the lifting cylinder 36 is fixedly connected with the upper end of the adjusting toothed plate 37, the adjusting toothed plate 37 is meshed and connected with the swing rack 51 on the outer side of the adjusting rotating plate 35, the lifting cylinder 36 is used for driving the adjusting toothed plate 37 to perform lifting motion along the vertical direction, so that the adjusting rotating plate 35 can perform stable and smooth reciprocating swing along the vertical direction, the width of the second gear 50 is matched with the widths of the third gear 59 and the fourth gear 62, and in the process that the lifting cylinder 36 drives the adjusting rotating plate 35 to perform reciprocating swing, the third gear 59 and the, the tenth chain wheel 67 at the outer side of the sixth connecting shaft 65 and the sixth chain wheel 56 at the outer side of the third connecting shaft 53 are in transmission connection by a fifth chain 69, the wire transmission motor 32 is horizontally and fixedly arranged at one side above the yarn guide bracket 1, the output main chain wheel 43 at the output end of the wire transmission motor 32 and the output auxiliary chain wheel 40 of the rear wire pressing rotating shaft 34 are in transmission connection by an output chain 44, so that the wire transmission motor 32 at one side of the yarn guide bracket 1 can be used for driving the front wire pressing wheel 39 and the rear wire pressing wheel 42 at two sides of the intermittent wire transmission mechanism 3 to respectively rotate, the segmented transmission of the yarn is realized, the single wire transmission motor 32 is adopted by the whole intermittent wire transmission mechanism 3, the running energy consumption can be reduced, the front wire pressing wheel 39 and the rear wire pressing wheel 42 at two sides of the yarn guide bracket 1 can be kept to be synchronously started and stopped all the time, and the excessive tensioning or excessive loosening of the yarn caused by the asynchronous, the middle part of the yarn feeding guide wheel 4 is provided with a yarn feeding press groove 70, the middle part of the yarn discharging guide wheel 10 is provided with a yarn discharging press groove 71, so that the front wire pressing wheel 39 is tightly pressed and arranged in the yarn feeding press groove 70, the rear wire pressing wheel 42 is tightly pressed and arranged in the yarn discharging press groove 71 in the yarn conveying process, the yarn can be prevented from generating skew deviation in the conveying process, and the yarn can be always stably and accurately conveyed, the wire transmission motor 32 of the intermittent wire transmission mechanism 3 is used as a servo motor, the servo motor is rapidly started and stopped, the operation is stable and accurate, each section of conveying length of the yarn can be accurately controlled, all chain wheels contained by the intermittent wire transmission mechanism 3 have the same diameter size structure, the first gear 46 and the second gear 50 have the same diameter size structure, the ratio of the diameter size of the third gear 59 to the diameter size of the second gear 50 is 0.8:1.0, the ratio of the diameter size of the fourth gear 62 to the diameter size of the second gear 50 is 0.7:1.0, the adjusting rotating plate 35 is driven by the lifting cylinder 36 to swing back and forth along the vertical direction, the third gear 59 and the fourth gear 62 are respectively meshed with the second gear 50, the diameter sizes of the third gear 59 and the fourth gear 62 are smaller than that of the second gear 50, the rotating speed of the rear wire pressing wheel 42 is higher than that of the front wire pressing wheel 39, the rear wire pressing wheel 42 can quickly convey the yarn with the lengthened drawing length to the next process in the process of conveying the yarn in sections, the front wire pressing wheel 39 can stably convey the yarn which is not drawn in the normal state between the yarn inlet guide wheel 4 and the yarn outlet guide wheel 10, the yarn can be stably and orderly conveyed in sections all the time by utilizing the rotating conveying speed difference of the front wire pressing wheel 39 and the rear wire pressing wheel 42, and the diameter size ratios of the third gear 59, the fourth gear 62 and the second gear 50 are different, the yarn drawing and shaping device can meet the requirement of different increased lengths of different yarns after drawing, can adjust the conveying speed ratio of the yarns before and after the drawing and shaping process according to the type and specification of the yarns, increases the application range, and is suitable for drawing and shaping the yarns of various types and specifications. Through such structure, the utility model has the advantages of reasonable design, can be convenient steady carry out segmentation tractive design with the continuous efficient of yarn to can realize the differential conveying in both ends around the yarn according to the needs that the yarn was stereotyped, improve yarn design processing degree of automation, satisfy the needs of plant use.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a yarn forming mechanism for sweater processing which characterized in that: the yarn shaping mechanism for processing the sweater comprises a yarn guide bracket, a reciprocating traction mechanism and an intermittent yarn transmission mechanism, wherein the reciprocating traction mechanism is horizontally and fixedly arranged in the middle of the lower side of the yarn guide bracket, the intermittent yarn transmission mechanism is horizontally and fixedly arranged on the yarn guide bracket on two sides above the reciprocating traction mechanism, the reciprocating traction mechanism comprises a yarn feeding guide wheel, a front conveying bracket, a traction bracket, a main swinging rotary roller, an auxiliary swinging rotary roller, a rear conveying bracket and a yarn discharging guide wheel, the yarn feeding guide wheel and the yarn discharging guide wheel are sequentially and vertically and rotatably connected with two sides of the middle of the yarn guide bracket along the horizontal direction, the front conveying bracket and the rear conveying bracket are sequentially and horizontally and fixedly arranged on the yarn guide bracket between the yarn feeding guide wheel and the yarn discharging guide wheel along the yarn conveying direction, a yarn feeding guide cylinder is horizontally and fixedly arranged on the front conveying bracket on one side of the yarn feeding guide cylinder, the end part of one side of the front swing guide cylinder is hinged with a front conveying support, the end part of one side of the rear conveying support is horizontally and fixedly provided with a yarn outlet guide cylinder along the side of the yarn outlet guide cylinder, the rear conveying support at one side of the yarn outlet guide cylinder is provided with a rear swing guide cylinder, the end part of one side of the rear swing guide cylinder is hinged with a rear conveying support, the drawing support is horizontally and fixedly arranged at the lower side of the yarn guide support in the middle between the front conveying support and the rear conveying support, two sides of the drawing support are respectively and horizontally and rotatably connected with a main swing rotating roller and an auxiliary swing rotating roller, the main swing rotating roller is sequentially and vertically and fixedly provided with a plurality of main swing rotating plates along the horizontal direction, the auxiliary swing rotating rollers are sequentially and vertically and fixedly provided with a plurality of auxiliary swing rotating plates along the horizontal direction, the main swing rotating plates and the auxiliary swing rotating plates are of fan-shaped structures, and the plurality of main, the upper side of the main swing rotating plate is fixedly provided with a main yarn pulling rod along the radial direction of the main swing rotating plate, the upper end of the main yarn pulling rod is fixedly provided with a main yarn guiding ring, the upper side of the auxiliary swing rotating plate is fixedly provided with an auxiliary yarn pulling rod along the radial direction of the auxiliary swing rotating plate, the upper end of the auxiliary yarn pulling rod is fixedly provided with an auxiliary yarn guiding ring, two sides of the middle part of the main swing rotating roller are respectively and vertically and fixedly provided with a reciprocating main gear, two sides of the middle part of the auxiliary swing rotating roller are respectively and vertically and fixedly provided with a reciprocating auxiliary gear, the reciprocating main gear is meshed with the reciprocating auxiliary gear, two ends of one side of the drawing support are respectively and vertically and fixedly provided with a cylinder support, the cylinder support is vertically and fixedly arranged on the drawing support on one side of the main swing rotating plate, one side of the cylinder support is horizontally and fixedly provided with, the upper side of the horizontal pushing wedge block is provided with a push plate inclined plane, the main swing rotating plate is horizontally and rotatably connected with a push plate guide wheel along the side of the horizontal pushing wedge block, the push plate guide wheel rolls along the push plate inclined plane, the lower end part of the main swing rotating plate is fixedly provided with a main reset pull rod, a main reset tension spring is obliquely arranged between the main reset pull rod and the bottom of the traction support, the lower end part of the auxiliary swing rotating plate is fixedly provided with an auxiliary reset pull rod, an auxiliary reset tension spring is obliquely arranged between the auxiliary reset pull rod and the bottom of the traction support, the main reset tension spring and the auxiliary reset tension spring on two sides above the traction support are symmetrically arranged, the intermittent yarn conveying mechanism comprises a yarn conveying motor, a front yarn pressing rotating shaft, a rear yarn pressing rotating shaft, an adjusting rotating plate, a lifting cylinder and an adjusting toothed plate, the yarn guiding support on the upper side of the yarn feeding guide wheel is horizontally and rotatably connected with a front, the front wire pressing wheel is tightly pressed and contacted with the yarn feeding guide wheel, the yarn guide bracket on the upper side of the yarn outlet guide wheel is horizontally and rotatably connected with a rear wire pressing rotating shaft, the rear wire pressing rotating shaft is sequentially and vertically fixedly provided with an output auxiliary chain wheel, a second chain wheel and a rear wire pressing wheel from inside to outside along the horizontal direction, the rear wire pressing wheel is tightly pressed and contacted with the yarn outlet guide wheel, the wire transmission motor is horizontally and fixedly arranged on one side above the yarn guide bracket, the output end of the wire transmission motor is vertically provided with an output main chain wheel, the output main chain wheel and the output auxiliary chain wheel are connected by adopting output chain transmission, one side above the front wire pressing rotating shaft is horizontally and rotatably connected with a first connecting shaft, the first connecting shaft is sequentially and vertically and fixedly provided with a first gear and a third chain wheel from inside to outside along the horizontal direction, the first chain wheel and the third chain wheel are connected by adopting first chain, a second gear is vertically and fixedly arranged at the outer end of the second connecting shaft and is meshed with the first gear, an adjusting rotating plate is arranged on a yarn guide support on one side of the second gear and is of a fan-shaped structure, the circle center of the adjusting rotating plate is rotatably connected to the yarn guide support, a swing rack is fixedly arranged on the outer side of the circle center of the adjusting rotating plate, a toothed plate support is vertically and fixedly arranged on the yarn guide support on one side of the adjusting rotating plate, an adjusting toothed plate is arranged in the toothed plate support in a sliding mode along the vertical direction, a lifting cylinder is vertically and downwardly fixedly arranged at the end part of the upper side of the toothed plate support, the output end of the lifting cylinder is fixedly connected with the end part of the upper side of the adjusting toothed plate, the adjusting toothed plate is meshed with the swing rack on the outer side of the adjusting rotating plate, a third connecting shaft is horizontally and rotatably connected to one side of the circle center, A fifth chain wheel and a sixth chain wheel, wherein the two ends of the outer side of the adjusting rotating plate are respectively and horizontally connected with a fourth connecting shaft and a fifth connecting shaft in a rotating way, the fourth connecting shaft is vertically and fixedly provided with a third gear and a seventh chain wheel in sequence from inside to outside along the horizontal direction, the seventh chain wheel is in transmission connection with the fifth chain wheel by a second chain, the fifth connecting shaft is vertically and fixedly provided with a fourth gear and an eighth chain wheel in sequence from inside to outside along the horizontal direction, the eighth chain wheel is in transmission connection with the fourth chain wheel by a third chain, a sixth connecting shaft is horizontally and rotatably connected to one side above the rear pressing line rotating shaft, a ninth chain wheel and a tenth chain wheel are sequentially and vertically and fixedly arranged on the sixth connecting shaft from inside to outside along the horizontal direction, and the second chain wheel is in transmission connection with the ninth chain wheel through a fourth chain, and the tenth chain wheel is in transmission connection with the sixth chain wheel through a fifth chain.

2. The yarn shaping mechanism for sweater processing as claimed in claim 1, wherein: the middle part of the yarn feeding guide wheel is provided with a yarn feeding pressure groove, and the middle part of the yarn discharging guide wheel is provided with a yarn discharging pressure groove.

3. The yarn shaping mechanism for sweater processing as claimed in claim 1, wherein: the front swing guide cylinder is fixedly provided with a front yarn guide cylinder along the side of the traction support in a communicating mode, the rear swing guide cylinder is fixedly provided with a rear yarn guide cylinder along the side of the traction support in a communicating mode, and the front yarn guide cylinder and the rear yarn guide cylinder are both of a middle necking horn mouth structure.

4. The yarn shaping mechanism for sweater processing as claimed in claim 1, wherein: the width of the second gear is matched with the width of the third gear and the width of the fourth gear, and the third gear, the fourth gear and the second gear are in alternate meshed connection.

5. The yarn shaping mechanism for sweater processing as claimed in claim 1, wherein: and the wire transmission motor of the intermittent wire transmission mechanism is a servo motor.

6. The yarn shaping mechanism for sweater processing as claimed in claim 1, wherein: all chain wheels included in the intermittent wire transmission mechanism have the same diameter size structure, the first gear and the second gear have the same diameter size structure, the ratio of the diameter size of the third gear to the diameter size of the second gear is 0.8:1.0, and the ratio of the diameter size of the fourth gear to the diameter size of the second gear is 0.7: 1.0.