CN217579215U - Frequency conversion control sanding line spinning machine - Google Patents

Abstract

The utility model relates to a frequency conversion control sanding line spinning machine, which comprises a creel, a frame, a drafting device, a twisting device, a secondary forming device, a sanding device and a winding device; the secondary forming device comprises a first forming device and a second forming device; the first forming device comprises a first supporting plate, a second servo motor, a second transmission tangential belt, a first aluminum disc, a first upper support, a first hollow spindle blade and a first spindle bottom; the structure of the second forming device is the same as that of the first forming device; the sanding device comprises a fluff accumulating box, a suction fan, a fixed shaft and a sanding box; the winding device comprises a double-shaft servo motor, a first yarn guide, a cam shaft, a yarn winding cam and a pressing assembly. The utility model discloses can draw, twist, secondary package to the yarn strand and twine and the frosting, can obtain the double-wrapped match winding of frosting, be favorable to promoting the performance that double-wrapped match winding was twined, richen the flower type of fancy yarn, be applicable to the double-wrapped product research and development and the trial-production that twines the match winding of frosting.

Description

Frequency conversion control sanding line spinning machine

Technical Field

The utility model relates to a weaving equipment technical field especially relates to a frequency conversion control sanding line spins system machine.

Background

The fancy yarn has special appearance and structure, and is spun by a fancy twisting machine or an improved common spinning machine. The fancy yarn has various varieties, can be changed in the aspects of raw materials, colors, thread forming structures and the like, has various color changes, thickness sections and the like, is expanded from conventional textiles for clothes and decoration to textiles for special functional industries, breaks through the requirement of the traditional yarn on uniform evenness, has various yarn forming forms and nonuniform linear evenness, has nonuniform, multi-layer or multi-group appearances, and shows the trends of individuation and functionalization. The fancy yarn and the fabric thereof have special structures and changeable colors, conform to the trend and are deeply pursued by consumers. The development of a new fancy yarn is an effective way for increasing yarn varieties, improving product competitiveness and increasing benefits.

At present, functional fancy yarns with multi-component, weaving and twisting composite and weaving composite structures are still in a research stage, different fancy yarns are difficult to weave by adopting a single spinning machine, so that a spinning machine needs to be synchronously designed when different fancy yarns are researched, the research progress of the fancy yarns is influenced, siro spinning is a spinning method for spinning double yarns by combining spun yarns, doubled yarns and twisted yarns in fancy yarn spinning, equipment of siro spinning is complex, the spinning efficiency is low, and the double-wrapped siro yarn is difficult to directly spin. In addition, yarn sanding and napping are one of the processes of fine processing of fancy yarn, sanding and napping can enable the surface of the fabric to form a layer of short napping layer, retain the original characteristics of the fabric and enrich the style of the fabric, meanwhile, the heat retention property and the flexibility are increased, the performance of the double-wrapping and winding match yarn can be improved for sanding and napping of the double-wrapping and winding match yarn, the pattern of the double-wrapping and winding match yarn is enriched, and therefore, the frequency conversion control sanding yarn spinning machine is necessary to be provided

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide a compact structure, can twine the variable frequency control sanding line system of spinning that goes on sanding to two wraps to solve above-mentioned at least one technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a frequency conversion control woollen yarn spinning machine, including creel, framework, drafting arrangement, twisting device, secondary forming device, woollen device and winder;

the lower end of the creel is fixedly connected with the rack, and the top end of the creel is provided with a yarn withdrawing mechanism;

a supporting seat is arranged in the middle of the creel, a yarn withdrawing mechanism is arranged on the supporting seat, a first yarn guide rod is arranged above the yarn withdrawing mechanism, and the first yarn guide rod is fixedly connected with the creel;

the wire withdrawing mechanism comprises a wire withdrawing roller, a wire withdrawing bearing and a stepping motor, the wire withdrawing bearing is arranged on the supporting seat, the wire withdrawing roller is connected with the supporting seat through the wire withdrawing bearing, the stepping motor is fixed on the supporting seat, and the output end of the stepping motor is in transmission connection with the wire withdrawing roller

A yarn guide rod and a second yarn guide rod are arranged on one side, away from the creel, of the supporting seat, yarns led out by the yarn withdrawing mechanism are led into the drafting device after bypassing the yarn guide rod, and yarns led out by the yarn withdrawing mechanism are led into the drafting device after sequentially bypassing the first yarn guide rod and the second yarn guide rod;

the drafting device is fixed at the top of the frame;

the twisting device is fixed on the rack below the drafting device and comprises a supporting transverse plate, a first servo motor, a first transmission tangential belt and six groups of yarn guide wheels, wherein two ends of the supporting transverse plate are fixedly connected with the rack, the six groups of yarn guide wheels are arranged on the supporting transverse plate at intervals, the yarn guide wheels are rotatably connected with the supporting transverse plate, a first driven belt wheel is arranged on the lower side of each yarn guide wheel, the first transmission tangential belt is in transmission connection with the first driven belt wheel, the lower sides of two ends of the supporting transverse plate are respectively provided with a belt guide rod and a first belt guide wheel, the first transmission tangential belt bypasses the belt guide rod and the first belt guide wheel and is arranged in a closed loop manner, the first servo motor is fixed on the rack, and the output end of the first servo motor is in transmission connection with the first transmission tangential belt;

the secondary forming device is fixed on the rack below the twisting device and comprises a first forming device and a second forming device;

the first forming device comprises a first supporting plate, a second servo motor, a second transmission tangential belt, a first aluminum disc, a first upper support, a first hollow spindle blade and a first spindle bottom, the first supporting plate is fixedly connected with the rack, the first aluminum disc is rotatably arranged on the first supporting plate, the second servo motor is fixed on the lower side of the first supporting plate, the output end of the second servo motor is in transmission connection with the first aluminum disc, the first upper support is fixed on the first supporting plate, the first hollow spindle blade is rotatably connected with the top end of the first upper support, the lower end of the first hollow spindle blade is provided with a second driven belt pulley, the first aluminum disc is in transmission connection with the second driven belt pulley through the second transmission tangential belt, the first spindle bottom is fixed on the first supporting plate on the lower side of the first hollow spindle blade, the first spindle bottom is provided with a first yarn guide hole corresponding to the first hollow spindle blade, the top end of the first hollow spindle blade is provided with a first tube upper stopper, the first hollow spindle blade stopper is provided with a first hollow spindle blade tube, and the first spindle tube upper stopper or the first hollow spindle tube is matched with the first spindle tube lower stopper;

the second forming device comprises a second support plate, a third servo motor, a third transmission tangential belt, a second aluminum disc, a second upper support, a second hollow spindle blade and a second spindle bottom, the second support plate is fixedly connected with the rack, the second aluminum disc is rotatably arranged on the second support plate, the third servo motor is fixed on the lower side of the second support plate, the output end of the third servo motor is in transmission connection with the second aluminum disc, the second upper support is fixed on the second support plate, the second hollow spindle blade is in rotation connection with the top end of the second upper support, the lower end of the second hollow spindle blade is provided with a third driven belt pulley, the second aluminum disc is in transmission connection with the third driven belt pulley through the third transmission tangential belt, the second spindle bottom is fixed on the second support plate on the lower side of the second hollow spindle blade, the second spindle bottom is provided with a second yarn guide hole corresponding to the second hollow spindle blade, the top end of the second hollow spindle blade is provided with a second upper stopper, the lower end of the second hollow spindle blade is provided with a second stopper, and the second stopper is used for matching with a second bobbin or a second bobbin;

the sanding device is arranged between the second forming device and the winding device and comprises a sanding box, a suction fan, a fixed shaft and a sanding box, two ends of the fixed shaft are rotatably connected with the frame, the fixed shaft penetrates through the sanding box and is rotatably connected with the sanding box, a grindstone is arranged in the sanding box and is rotatably connected with the fixed shaft, the suction fan is arranged between the sanding box and the sanding box, an inlet of the suction fan is communicated with the sanding box, an outlet of the suction fan is communicated with the sanding box, a top wall of the sanding box is provided with a wire inlet hole, and a bottom wall of the sanding box is provided with a wire outlet hole; an air suction opening is formed in one side, away from the suction fan, of the sanding box;

the winding device is fixed on the rack below the second forming device and comprises a double-shaft servo motor, a first yarn guide, a cam shaft, a yarn winding cam and a pressing assembly, the double-shaft servo motor is provided with a first output end and a second output end, the first yarn guide is arranged on the rack above the cam shaft, the first output end is in transmission connection with the first yarn guide, the cam shaft is rotatably arranged at the bottom of the rack, the second output end is in transmission connection with one end of the cam shaft, the yarn winding cam is arranged on the cam shaft, and the pressing assembly is arranged on the side face of the yarn winding cam.

The utility model has the advantages that: the utility model discloses a draft device, twisting device and secondary forming device can be drafted, twisted and secondary package twine the yarn strand, can spin two packages and twine match winding line, and the sanding device can be to two packages to twine the outside sanding gigging of match winding line, can obtain the sanding two packages and twine match winding line, are favorable to promoting two packages and twine the performance of match winding line, richen the flower type of fancy line, are applicable to the product research and development and the trial-production of sanding two packages and twine the match winding line; pile box and suction fan can be collected the fine hair of dull polish pile-up in-process and two packages winding match winding line separation, are favorable to guaranteeing the clean environment of dull polish pile-up, promote the quality that the two packages of dull polish twined match winding line.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the first yarn guide comprises a first transmission shaft, a first yarn guide shaft and a first yarn guide rubber roll, the first transmission shaft and the first yarn guide shaft are connected with the rack in a rotating mode, a fourth driven belt pulley is arranged on one end of the first transmission shaft, a first driving belt pulley is arranged on the first output end, the first driving belt pulley is in transmission connection with the fourth driven belt pulley through a first synchronous belt, the first yarn guide rubber roll is arranged on the first yarn guide shaft, the first yarn guide rubber roll is abutted to the first transmission shaft, a first yarn guide hook is arranged on the second hollow spindle rod and corresponds to each yarn guide shaft, a first fixing plate is arranged on the rack, and one end of the first yarn guide hook is fixedly connected with the first fixing plate.

The beneficial effect of adopting the above further scheme is: the first yarn guide can shape the double-wrapped match twine for the second time, and can guide the double-wrapped match twine to the sanding box, and the first yarn guide hook can guide the double-wrapped match twine after the second wrapping of the second forming device to the first yarn guide.

Furthermore, a second yarn guide is arranged between the first forming device and the second forming device, the second yarn guide comprises a second transmission shaft, a second yarn guide shaft and a second yarn guide rubber roller, the second transmission shaft and the second yarn guide shaft are both rotatably connected with the frame, a fifth driven pulley is arranged at one end of the first transmission shaft, a second driving pulley is arranged at one end of the first transmission shaft, the second driving pulley is in transmission connection with the fifth driven pulley through a second synchronous belt, the second yarn guide rubber roller is arranged on the second yarn guide shaft, the second rubber roller is abutted against the second transmission shaft, a second yarn guide hook and a straight yarn guide hook are arranged on the upper side of the second yarn guide corresponding to each first hollow spindle rod, a second fixing plate is arranged on the frame, and one end of each second yarn guide hook and one end of each straight yarn guide hook are both fixedly connected with the second fixing plate.

The beneficial effect of adopting the above further scheme is: the second carrier can perform first shaping on the yarn subjected to the first wrapping, and can guide the yarn subjected to the first wrapping to the second forming device.

Further, be provided with first pillar on the first backup pad, the top of first pillar is provided with first fixed grid strip, the one end of first fixed grid strip with the top fixed connection of first pillar, the other end of first fixed grid strip extends to first aluminium dish upside, and the other end of first fixed grid strip is provided with and is used for detecting the first tachometer sensor of first aluminium dish rotational speed.

The beneficial effect of adopting the above further scheme is: first rotational speed sensor can be instant the rotational speed of the first aluminium dish of measurement, is convenient for control the first time of racing line and twines.

Further, be provided with the second pillar in the second backup pad, the top of second pillar is provided with the fixed grid strip of second, the one end of the fixed grid strip of second with the top fixed connection of second pillar, the other end of the fixed grid strip of second extends to second aluminium dish upside, and the other end of the fixed grid strip of second is provided with and is used for detecting the second tachometric sensor of second aluminium dish rotational speed.

The beneficial effect of adopting the further scheme is that: the second speed sensor can measure the rotating speed of the second aluminum disc in real time, and the second wrapping of the match winding line is convenient to control.

Further, compress tightly the subassembly and include first bracing piece, locating piece, extension spring, pull rod, second bracing piece, press the frame and press the pipe, first bracing piece and second bracing piece all with frame fixed connection, the locating piece set up in on the first bracing piece, the one end of extension spring with locating piece fixed connection, the other end of extension spring with the one end fixed connection of pull rod, the pull rod is kept away from the one end of extension spring with press a frame hinged joint, press the one end of frame with the second bracing piece rotates to be connected, press the pipe to rotate set up in press on the other end of frame, press the pipe with around yarn cam contact.

The beneficial effect of adopting the further scheme is that; compress tightly the subassembly and can compress tightly the two package match winding of frosting of coiling, be favorable to two packages to twine match winding and coil compacter.

Furthermore, the yarn withdrawing mechanism comprises a supporting beam, a roving bobbin and a plurality of spindle hanging groups, the supporting beam is fixedly connected with the top end of the creel, the spindle hanging groups are fixed on the lower side of the supporting beam, each spindle hanging group is provided with two hanging spindles, and the lower side of each hanging spindle is provided with the roving bobbin.

The beneficial effect of adopting the further scheme is that: the yarn withdrawing mechanism can ensure that the yarn strips are supplied to the drafting device.

Further, drafting arrangement includes roller stand, well roller slide, back roller slide, well middle and upper leather collar, well lower leather collar, well roller bearing, go up round pin subassembly, down leather collar tension assembly, lead yarn loudspeaker, preceding roller, well roller, back roller, go up rubber roll, godet roller, cradle and power unit, roller stand is 42 with the contained angle of horizontal direction, well roller slide passes through the bolt setting and is in on the roller stand, well roller rotates set up in on the well roller slide, back roller slide passes through the bolt setting and is in on the roller stand, back roller rotates to set up on the back roller slide, preceding roller rotate to set up on the roller stand, lead yarn loudspeaker to be fixed in on the back roller slide, the top of cradle with roller stand fixed connection, go up the rubber roll correspond preceding roller with back roller rotates to set up on the cradle, and go up the rubber roll with preceding roller with back contact, well bearing and upper pin subassembly all set up on the leather collar, set up in the middle and upper and lower roller set up the roller drive assembly and set up the roller and lower roller and set up the roller respectively in the middle and lower roller bearing subassembly the upper and lower roller.

The beneficial effect of adopting the further scheme is that: the drafting device can draft and converge the yarn strands, and the yarn drafting effect is good.

Furthermore, the power mechanism comprises a motor support, a fourth servo motor, a third synchronous belt, a shaft variable pitch section, a bearing support, bearing seats and an overhang shaft, the lower ends of the motor support and the bearing support are fixedly connected with the frame, the bearing seats correspond to the front roller, the middle roller and the rear roller and are arranged on the bearing support, the overhang shaft is arranged on each bearing seat and is respectively in transmission connection with the front roller, the middle roller and the rear roller, the shaft variable pitch section is arranged on the overhang shaft, the third synchronous belt is arranged on the shaft variable pitch section, the fourth servo motor is fixed on the motor support, and the output end of the fourth servo motor is in transmission connection with the third synchronous belt.

The beneficial effect of adopting the further scheme is that: by adopting the power structure, the front roller, the middle roller and the rear roller can be driven to rotate, and the converging traction of yarns is facilitated.

Furthermore, a first yarn guide cross rod and a second yarn guide cross rod are arranged above the sanding box in parallel, and two ends of the first yarn guide cross rod and two ends of the second yarn guide cross rod are rotatably connected with the rack.

The beneficial effect of adopting the further scheme is that: the first yarn guide horizontal pole and the second yarn guide horizontal pole can be better get into the sanding box with the two package match winding lines guide that the second time package twined between sanding box and first yarn guide, adopt the grindstone to carry out the sanding pile-raising to two package match winding lines.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a front view of the drafting device of the present invention;

FIG. 4 is a left side sectional view of the drawing device of the present invention;

fig. 5 is a schematic structural view of the sanding device of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a creel; 2. a frame; 3. a drafting device; 4. a twisting device; 5. a secondary forming device; 6. a sanding device; 7. a winding device; 8. a yarn withdrawing mechanism; 9. a supporting seat; 10. a wire withdrawing mechanism; 11. a first thread guide rod; 12. a wire withdrawing roller; 13. withdrawing the yarn shaft; 14. a stepping motor; 15. a yarn guide bar; 16. a second thread guide rod; 17. supporting the transverse plate; 18. a first servo motor; 19. a first drive belt; 20. a yarn guide wheel; 21. a first driven pulley; 22. a tape guide bar; 23. a guide pulley; 24. a first forming device; 25. a second forming device; 26. a first support plate; 27. a second servo motor; 28. a second drive belt; 29. a first aluminum tray; 30. a first upper support; 31. a first hollow spindle blade; 32. a first ingot bottom; 33. a second driven pulley; 34. a first bobbin upper retainer; 35. a first bobbin lower retainer; 36. a second support plate; 37. a third servo motor; 38. a third transmission tangential belt; 39. a second aluminum tray; 40. a second upper support; 41. a second hollow spindle blade; 42. a second ingot bottom; 43. a third driven pulley; 44. a second bobbin upper stopper; 45. a second bobbin lower stopper; 46. pile accumulation box; 47. a suction fan; 48. sanding a box; 49. a fixed shaft; 50. grinding stone; 51. a first yarn guide rail; 52. a second yarn guide rail; 53. a double-shaft servo motor; 54. a first yarn guide; 55. a camshaft; 56. a yarn winding cam; 57. a compression assembly; 58. a first transmission shaft; 59. a first yarn guide shaft; 60. a first yarn guiding rubber roller; 61. a first synchronization belt; 62. a first yarn guide hook; 63. a first fixing plate; 64. a second yarn guide; 65. a second drive shaft; 66. a second yarn guide shaft; 67. a second yarn guiding rubber roller; 68. a second synchronous belt; 69. a second yarn guide hook; 70. a yarn guide straight hook; 71. a second fixing plate; 72. a first support; 73. a first stationary grid bar; 74. a first rotational speed sensor; 75. a second support; 76. a second stationary grid bar; 77. a second rotation speed sensor; 78. a first support bar; 79. positioning a block; 80. a tension spring; 81. a pull rod; 82. a second support bar; 83. pressing a frame; 84. pressing a pipe; 85. a support beam; 86. hanging a spindle; 87. a roving bobbin; 88. a roller stand; 89. a rear roller slide seat; 90. a middle roller sliding seat; 91. a middle and upper leather ring; 92. middle and lower leather rings; 93. a middle roller bearing; 94. an upper pin assembly; 95. a lower pin assembly; 96. a lower apron tension assembly; 97. a yarn guide horn; 98. a front roller; 99. a middle roller; 100. a back roller; 101. gluing a rubber roller; 102. a godet roller; 103. a cradle; 104. a power mechanism; 105. a motor bracket; 106. a fourth servo motor; 107. a third synchronous belt; 108. an axis variable pitch joint; 109. a bearing support; 110. a bearing seat; 111. and a shaft is extended.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1 to 5, the present embodiment provides a variable frequency control woollen yarn spinning machine, which comprises a creel 1, a frame 2, a drafting device 3, a twisting device 4, a secondary forming device 5, a woollen device 6 and a winding device 7; the creel 1 comprises two support rods, the support rods are arranged on the rear side of the top of the rack 2, and the lower ends of the support rods are fixedly connected with the top of the rack 2; the frame 2 includes roof and four support columns, and the roof sets up in the top of support column to the top of four support columns all with the lower lateral wall fixed connection of roof.

The lower end of the creel 1 is fixedly connected with the frame 2, and the top end of the creel 1 is provided with a yarn withdrawing mechanism 8.

A supporting seat 9 is arranged in the middle of the creel 1, a yarn withdrawing mechanism 10 is arranged on the supporting seat 9, a first yarn guide rod 11 is arranged above the yarn withdrawing mechanism 10, and the first yarn guide rod 11 is fixedly connected with the creel 1;

the wire withdrawing mechanism 10 comprises a wire withdrawing roller 12, a wire withdrawing bearing 13 and a stepping motor 14, wherein the wire withdrawing bearing 13 is arranged on the supporting seat 9, the wire withdrawing roller 12 is connected with the supporting seat 9 through the wire withdrawing bearing 13, the stepping motor 14 is fixed on the supporting seat 9, and the output end of the stepping motor 14 is in transmission connection with the wire withdrawing roller 12; it is provided with two side by side to move back fiber roll 12, two both ends that move back fiber roll 12 all rotate with supporting seat 9 through moving back a bearing 13 and be connected, step motor 14's output and one of them one end transmission that moves back fiber roll 12 are connected, a silk section of thick bamboo is placed and is moved back 12 upsides of fiber roll with two, and the circumference of a silk section of thick bamboo is tangent with two fiber roll 12 that move back, step motor 14 drives one of them and moves back when fiber roll 12 rotates, can drive a silk section of thick bamboo and rotate, make on the silk section of thick bamboo winding silk move back the silk, another moves back fiber roll 12 and can follow the rotation of a silk section of thick bamboo and rotate.

One side of the supporting seat 9, which is far away from the creel 1, is provided with a yarn guide rod 15 and a second yarn guide rod 16, yarns led out by the yarn withdrawing mechanism 8 are led into the drafting device 3 after bypassing the yarn guide rod 15, and yarns led out by the yarn withdrawing mechanism 10 are led into the drafting device 3 after sequentially bypassing the first yarn guide rod 11 and the second yarn guide rod 16.

The drafting device 3 is fixed on the top of the frame 2.

The twisting device 4 is fixed on the frame 2 below the drafting device 3, the twisting device 4 comprises a supporting transverse plate 17, a first servo motor 18, a first transmission tangential belt 19 and six groups of yarn guide wheels 20, two ends of the supporting transverse plate 17 are fixedly connected with the frame 2, the six groups of yarn guide wheels 20 are arranged on the supporting transverse plate 17 at intervals, the yarn guide wheels 20 are rotatably connected with the supporting transverse plate 17, a first driven belt wheel 21 is arranged on the lower side of each yarn guide wheel 20, the first transmission tangential belt 19 is in transmission connection with the first driven belt wheel 21, the lower sides of two ends of the supporting transverse plate 17 are respectively provided with a yarn guide belt rod 22 and a yarn guide belt wheel 23, the first transmission tangential belt 19 is arranged in a closed manner after passing around the yarn guide belt rod 22 and the yarn guide belt wheel 23, the first servo motor 18 is fixed on the frame 2, and the output end of the first servo motor 18 is in transmission connection with the first transmission tangential belt 19; the first servo motor 18 is fixed on the rack 2 which is parallel to the supporting plate, the output end of the first servo motor 18 is provided with a driving belt wheel, the supporting plate is provided with a guide wheel, the guide wheel is arranged on the closed path of the first transmission tangential belt 19, and the driving belt wheel drives the first transmission tangential belt 19 to move in a closed mode.

The secondary forming device 5 is fixed on the frame 2 below the twisting device 4, and the secondary forming device 5 comprises a first forming device 24 and a second forming device 25; the first forming device 24 is configured to wrap the first yarn or the first silk thread around the outer sides of the two twisted yarns for the first wrapping; the second forming device 25 is configured to wrap the second yarn or the second silk thread around the outside of the first wrapped yarn, perform the second wrapping, obtain a double-wrap match winding after the second wrapping, and wind the double-wrap match winding by the winding device 7; the first forming device 24 is installed above the second forming device 25 with a space formed.

The first forming device 24 comprises a first supporting plate 26, a second servo motor 27, a second transmission tangential belt 28, a first aluminum disc 29, a first upper support 30, a first hollow spindle blade 31 and a first spindle bottom 32, the first supporting plate 26 is fixedly connected with the frame 2, the first aluminum disc 29 is rotatably arranged on the first supporting plate 26, the second servo motor 27 is fixed on the lower side of the first supporting plate 26, the output end of the second servo motor 27 is in transmission connection with the first aluminum disc 29, the first upper support 30 is fixed on the first supporting plate 26, the first hollow spindle blade 31 is rotatably connected with the top end of the first upper support 30, a second driven belt wheel 33 is arranged at the lower end of the first hollow spindle blade 31, the first aluminum disc 29 is in transmission connection with the second driven belt wheel 33 through the second transmission tangential belt 28, the first spindle bottom 32 is fixed on the first supporting plate 26 at the lower side of the first hollow spindle blade 31, a first guide hole is arranged on the first spindle bottom 32 corresponding to the first hollow spindle blade 31, a first upper stopper 34 is arranged at the top end of the first spindle blade 31, a first hollow spindle blade is arranged at the lower stopper 35, and a first stopper is arranged at the lower end of the first hollow spindle blade 35 or the first spindle tube 35;

the second forming device 25 comprises a second support plate 36, a third servo motor 37, a third transmission tangential belt 38, a second aluminum disc 39, a second upper support 40, a second hollow spindle blade 41 and a second spindle bottom 42, the second support plate 36 is fixedly connected with the rack 2, the second aluminum disc 39 is rotatably arranged on the second support plate 36, the third servo motor 37 is fixed on the lower side of the second support plate 36, the output end of the third servo motor 37 is in transmission connection with the second aluminum disc 39, the second upper support 40 is fixed on the second support plate 36, the second hollow spindle blade 41 is rotatably connected with the top end of the second upper support 40, a third driven belt pulley 43 is arranged at the lower end of the second hollow spindle blade 41, the second aluminum disc 39 is in transmission connection with the third driven belt pulley 43 through the third transmission tangential belt 38, the second spindle bottom 42 is fixed on the second support plate 36 at the lower side of the second hollow spindle blade 41, a second yarn guide hole is arranged on the second spindle bottom 42 corresponding to the second hollow spindle blade 41, a second upper stopper 44 is arranged at the top end of the second hollow spindle blade 41, and a second stopper tube 45 or a second bobbin tube 45 is arranged at the lower end of the hollow spindle blade 45;

the sanding device 6 is arranged between the second forming device 25 and the winding device 7, the sanding device 6 comprises a sanding box 46, a suction fan 47, a fixing shaft 49 and a sanding box 48, two ends of the fixing shaft 49 are rotatably connected with the frame 2, the fixing shaft 49 penetrates through the sanding box 48, the fixing shaft 49 is rotatably connected with the sanding box 48, a grinding stone 50 is arranged in the sanding box 48, the grinding stone 50 is rotatably connected with the fixing shaft 49, the suction fan 47 is arranged between the sanding box 46 and the sanding box 48, an inlet of the suction fan 47 is communicated with the sanding box 48, an outlet of the suction fan 47 is communicated with the sanding box 46, a wire inlet hole is formed in the top wall of the sanding box 48, and a wire outlet hole is formed in the bottom wall of the sanding box 48; an air suction opening is formed in one side, away from the suction fan 47, of the sanding box 48; the bottom of frame 2 is provided with the bottom plate, and long-pending fine hair case 46 and suction fan 47 all fix on the bottom plate, and suction fan 47's entry setting corresponds six sanding boxes 48 and is provided with the suction fine hair pipe, and suction fine hair pipe and the left side intercommunication of sanding box 48, the right side lateral wall opening of sanding box 48 sets up to the suction opening to utilize the mobility of wind-force to drive the fine hair that drops or separate in the sanding process.

The winding device 7 is fixed on the machine frame 2 below the second forming device 25, the winding device 7 comprises a double-shaft servo motor 53, a first yarn guide 54, a cam shaft 55, a yarn winding cam 56 and a pressing assembly 57, the double-shaft servo motor 53 is provided with a first output end and a second output end, the first yarn guide 54 is arranged on the machine frame 2 above the cam shaft 55, the first output end is in transmission connection with the first yarn guide 54, the cam shaft 55 is rotatably arranged at the bottom of the machine frame 2, the second output end is in transmission connection with one end of the cam shaft 55, the yarn winding cam 56 is arranged on the cam shaft 55, and the pressing assembly 57 is arranged on the side face of the yarn winding cam 56.

Preferably, the first yarn guide 54 includes a first transmission shaft 58, a first yarn guide shaft 59 and a first yarn guide rubber roll 60, the first transmission shaft 58 and the first yarn guide shaft 59 are rotatably connected to the frame 2, one end of the first transmission shaft 58 is provided with a fourth driven pulley, a first driving pulley is arranged at the first output end, the first driving pulley is in transmission connection with the fourth driven pulley through a first synchronous belt 61, the first yarn guide rubber roll 60 is arranged on the first yarn guide shaft 59, the first yarn guide rubber roll 60 is abutted to the first transmission shaft 58, a first yarn guide hook 62 is arranged above the first yarn guide shaft 59 corresponding to each second hollow spindle rod 41, a first fixing plate 63 is arranged on the frame 2, and one end of the first yarn guide hook 62 is fixedly connected to the first fixing plate 63.

Preferably, a second yarn guide 64 is arranged between the first forming device 24 and the second forming device 25, the second yarn guide 64 includes a second transmission shaft 65, a second yarn guide shaft 66 and a second yarn guide rubber roller 67, both the second transmission shaft 65 and the second yarn guide shaft 66 are rotatably connected with the frame 2, one end of the first transmission shaft 58 is provided with a fifth driven pulley, one end of the first transmission shaft 58 is provided with a second driving pulley, the second driving pulley is in transmission connection with the fifth driven pulley through a second synchronous belt 68, the second yarn guide rubber roller 67 is arranged on the second yarn guide shaft 66, the second yarn guide rubber roller 67 is abutted against the second transmission shaft 65, the upper side of the second yarn guide 64 is provided with a second yarn guide hook 69 and a yarn guide straight hook 70 corresponding to each first hollow spindle rod 31, the frame 2 is provided with a second fixing plate 71, and one ends of the second yarn guide hook 69 and the yarn guide straight hook 70 are fixedly connected with the second fixing plate 71.

Preferably, the first support plate 26 is provided with a first support column 72, the top end of the first support column 72 is provided with a first fixed grid bar 73, one end of the first fixed grid bar 73 is fixedly connected with the top end of the first support column 72, the other end of the first fixed grid bar 73 extends to the upper side of the first aluminum disc 29, and the other end of the first fixed grid bar 73 is provided with a first rotation speed sensor 74 for detecting the rotation speed of the first aluminum disc 29; the first rotation speed sensor 74 is electrically connected to the second servomotor 27.

Preferably, the second supporting plate 36 is provided with a second supporting column 75, the top end of the second supporting column 75 is provided with a second fixed grid 76, one end of the second fixed grid 76 is fixedly connected with the top end of the second supporting column 75, the other end of the second fixed grid 76 extends to the upper side of the second aluminum disk 39, and the other end of the second fixed grid 76 is provided with a second rotation speed sensor 77 for detecting the rotation speed of the second aluminum disk 39; the second rotation speed sensor 77 is electrically connected to the third servo motor 37.

Preferably, the pressing component 57 includes a first supporting rod 78, a positioning block 79, a tension spring 80, a pulling rod 81, a second supporting rod 82, a pressing frame 83 and a pressing pipe 84, the first supporting rod 78 and the second supporting rod 82 are both fixedly connected with the rack 2, the positioning block 79 is arranged on the first supporting rod 78, one end of the tension spring 80 is fixedly connected with the positioning block 79, the other end of the tension spring 80 is fixedly connected with one end of the pulling rod 81, which is far away from the tension spring 80, is hinged to the pressing frame 83, one end of the pressing frame 83 is rotatably connected with the second supporting rod 82, the pressing pipe 84 is rotatably arranged at the other end of the pressing frame 83, and the pressing pipe 84 is in contact with the yarn winding cam 56.

Preferably, the yarn withdrawing mechanism 8 comprises a supporting beam 85, roving bobbins 87 and a plurality of spindle sets, the supporting beam 85 is fixedly connected with the top end of the creel 1, the spindle sets are fixed on the lower side of the supporting beam 85, each spindle set is provided with two spindles 86, and the lower side of each spindle 86 is provided with the roving bobbins 87; the roving bobbin 87 is used for fixing a yarn package on which a yarn package is wound.

Preferably, the drafting device 3 comprises a roller stand 88, a middle roller slide stand 90, a back roller slide stand 89, an upper leather collar 91, a middle lower leather collar 92, a middle roller bearing 93, an upper pin assembly 94, a lower pin assembly 95, a lower leather collar tension assembly 96, a yarn guide horn 97, a front roller 98, a middle roller 99, a back roller 100, a gluing roller 101, a yarn guide roller 102, a cradle 103 and a power mechanism 104, wherein the included angle between the roller stand 88 and the horizontal direction is 42 degrees, the middle roller slide stand 90 is arranged on the roller stand 88 through bolts, the middle roller 99 is rotatably arranged on the middle roller slide stand 90, the back roller slide stand 89 is arranged on the roller stand 88 through bolts, the back roller 100 is rotatably arranged on the back roller slide stand 89, the front roller 98 is rotatably arranged on the roller stand 88, the yarn guide horn 97 is fixed on the rear roller slide seat 89, the top end of the cradle 103 is fixedly connected with the roller seat 88, the upper sizing roller 101 is rotatably arranged on the cradle 103 corresponding to the front roller 98 and the rear roller 100, the upper sizing roller 101 is contacted with the front roller 98 and the rear roller 100, the middle roller bearing 93 and the upper pin assembly 94 are arranged on the cradle 103, the middle upper leather collar 91 is arranged on the upper pin assembly 94 and the middle roller bearing 93, the lower leather collar tension assembly 96 and the lower pin assembly 95 are arranged on the middle roller slide seat 90, the middle lower leather collar 92 is arranged on the middle roller 99, the lower pin assembly 95 and the lower leather collar tension assembly 96, the power mechanism 104 is respectively in transmission connection with the front roller 98, the middle roller 99 and the rear roller 100, and the yarn guide roller 102 is rotatably arranged on the cradle 103 above the front roller 98.

Preferably, the power mechanism 104 includes a motor support 105, a fourth servo motor 106, a third synchronous belt 107, a shaft pitch-variable joint 108, a bearing support 109, a bearing seat 110 and an overhang shaft 111, the lower ends of the motor support 105 and the bearing support 109 are both fixedly connected with the frame 2, the bearing seat 110 is arranged on the bearing support 109 corresponding to the front roller 98, the middle roller 99 and the rear roller 100, the overhang shaft 111 is arranged on each bearing seat 110, the overhang shaft 111 is respectively in transmission connection with the front roller 98, the middle roller 99 and the rear roller 100, the overhang shaft 111 is provided with the shaft pitch-variable joint 108, the shaft pitch-variable joint 108 is provided with the third synchronous belt 107, the fourth servo motor 106 is fixed on the motor support 105, and the output end of the fourth servo motor 106 is in transmission connection with the third synchronous belt 107.

The fourth servo motor 106, the third timing belt 107, the pitch-variable shaft 108, the bearing support 110, and the extension shaft 111 are provided corresponding to the front roller 98, the middle roller 99, and the rear roller 100, and are adapted to the positions of the middle roller 99 and the rear roller 100.

Preferably, a first yarn guide cross bar 51 and a second yarn guide cross bar 52 are arranged above the sanding box 48 in parallel, and two ends of the first yarn guide cross bar 51 and the second yarn guide cross bar 52 are rotatably connected with the frame 2; the first yarn guide cross bar 51 and the second yarn guide cross bar 52 are rotatably connected with the frame 2 through bearings, the first yarn guide cross bar 51 and the second yarn guide cross bar 52 are arranged on the same horizontal plane in parallel, double-wrapping match yarns led out by the first yarn guide 54 are wound by the lower side of the first yarn guide cross bar 51, then wound by the upper side of the second yarn guide cross bar 52 and finally led into the sanding box 48 through a yarn inlet hole in the upper side of the sanding box 48 in a downward vertical mode, two fixing shafts 49 are arranged, wherein the left fixing shaft 49 is higher than the right fixing shaft 49, after the double-wrapping match yarns are led into the sanding box 48, the double-wrapping match yarns firstly wind by the lower side of a grinding stone 50 of the right fixing shaft 49, then wind by the upper side of the grinding stone 50 of the left fixing shaft 49 and finally led out from a yarn outlet hole in the lower side of the sanding box 48 until the winding cam of the winding device 7 is wound.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A frequency conversion control sanding line spinning machine is characterized by comprising a creel (1), a frame (2), a drafting device (3), a twisting device (4), a secondary forming device (5), a sanding device (6) and a winding device (7);

the lower end of the creel (1) is fixedly connected with the rack (2), and the top end of the creel (1) is provided with a yarn withdrawing mechanism (8);

a supporting seat (9) is arranged in the middle of the creel (1), a yarn withdrawing mechanism (10) is arranged on the supporting seat (9), a first yarn guide rod (11) is arranged above the yarn withdrawing mechanism (10), and the first yarn guide rod (11) is fixedly connected with the creel (1);

the wire withdrawing mechanism (10) comprises a wire withdrawing roller (12), a wire withdrawing shaft (13) bearing and a stepping motor (14), the wire withdrawing shaft (13) bearing is arranged on the supporting seat (9), the wire withdrawing roller (12) is connected with the supporting seat (9) through the wire withdrawing shaft (13) bearing, the stepping motor (14) is fixed on the supporting seat (9), and the output end of the stepping motor (14) is in transmission connection with the wire withdrawing roller (12);

one side, far away from the creel (1), of the supporting seat (9) is provided with a yarn guide rod (15) and a second yarn guide rod (16), yarns led out by the yarn withdrawing mechanism (8) are led into the drafting device (3) after bypassing the yarn guide rod (15), and yarns led out by the yarn withdrawing mechanism (10) are led into the drafting device (3) after bypassing the first yarn guide rod (11) and the second yarn guide rod (16) in sequence;

the drafting device (3) is fixed at the top of the frame (2);

the twisting device (4) is fixed on the rack (2) below the drafting device (3), the twisting device (4) comprises a supporting transverse plate (17), a first servo motor (18), a first transmission tangential belt (19) and six groups of yarn guide wheels (20), two ends of the supporting transverse plate (17) are fixedly connected with the rack (2), the six groups of yarn guide wheels (20) are arranged on the supporting transverse plate (17) at intervals, the yarn guide wheels (20) are rotatably connected with the supporting transverse plate (17), a first driven belt wheel (21) is arranged on the lower side of each yarn guide wheel (20), the first transmission tangential belt (19) is in transmission connection with the first driven belt wheel (21), belt guide rods (22) and belt guide wheels (23) are arranged on the lower sides of two ends of the transverse plate supporting (17), the first transmission tangential belt (19) is arranged in a closed manner after passing through the belt guide rods (22) and the belt guide wheels (23), the first servo motor (18) is fixed on the rack (2), and the first transmission tangential belt (18) is connected with the output end of the first transmission tangential belt (19);

the secondary forming device (5) is fixed on the rack (2) below the twisting device (4), and the secondary forming device (5) comprises a first forming device (24) and a second forming device (25);

the first forming device (24) comprises a first support plate (26), a second servo motor (27), a second transmission tangential belt (28), a first aluminum disc (29), a first upper support (30), a first hollow spindle blade (31) and a first spindle blade (32), the first support plate (26) is fixedly connected with the rack (2), the first aluminum disc (29) is rotatably arranged on the first support plate (26), the second servo motor (27) is fixed on the lower side of the first support plate (26), the output end of the second servo motor (27) is in transmission connection with the first aluminum disc (29), the first upper support (30) is fixed on the first support plate (26), the first hollow spindle blade (31) is rotatably connected with the top end of the first upper support (30), a second driven pulley (33) is arranged at the lower end of the first hollow spindle blade (31), the first aluminum disc (29) is connected with the second transmission tangential belt (33) through the second transmission tangential belt (28), a first limit pulley (32) is arranged at the top end of the first hollow spindle blade (31), a first hollow spindle blade (31) is correspondingly arranged at the top end of the first hollow spindle blade (31), a first guide pulley (32) is arranged at the top end of the first hollow spindle blade (31), and a first hollow spindle blade (31) is arranged at the top end of the hollow spindle blade (31), a first bobbin lower limiting stopper (35) is arranged at the lower end of the first hollow spindle blade (31), and the first bobbin upper limiting stopper (34) is matched with the first bobbin lower limiting stopper (35) to be used for fixing a first yarn bobbin or a first yarn bobbin;

the second forming device (25) comprises a second support plate (36), a third servo motor (37), a third transmission tangential belt (38), a second aluminum disc (39), a second upper support (40), a second hollow spindle blade (41) and a second spindle blade (42), the second support plate (36) is fixedly connected with the rack (2), the second aluminum disc (39) is rotatably arranged on the second support plate (36), the third servo motor (37) is fixed on the lower side of the second support plate (36), the output end of the third servo motor (37) is in transmission connection with the second aluminum disc (39), the second upper support (40) is fixed on the second support plate (36), the second hollow spindle blade (41) is rotatably connected with the top end of the second upper support (40), the lower end of the second hollow spindle blade (41) is provided with a third driven belt wheel (43), the second aluminum disc (39) is connected with the third transmission tangential belt (38) through the second transmission tangential belt (43), the second hollow spindle blade (41) is correspondingly arranged on the second spindle blade (41), the second spindle blade (41) is provided with a second driven belt wheel (44), and the second spindle blade (41) is correspondingly arranged on the second spindle blade (42), a second bobbin lower limiting stopper (45) is arranged at the lower end of the second hollow spindle blade (41), and the second bobbin upper limiting stopper (44) is matched with the second bobbin lower limiting stopper (45) to fix a second yarn bobbin or a second yarn bobbin;

the sanding device (6) is arranged between the second forming device (25) and the winding device (7), the sanding device (6) comprises a sanding box (46), a suction fan (47), a fixing shaft (49) and a sanding box (48), two ends of the fixing shaft (49) are rotatably connected with the rack (2), the fixing shaft (49) penetrates through the sanding box (48), the fixing shaft (49) is rotatably connected with the sanding box (48), a grinding stone (50) is arranged in the sanding box (48), the grinding stone (50) is rotatably connected with the fixing shaft (49), the suction fan (47) is arranged between the sanding box (46) and the sanding box (48), an inlet of the suction fan (47) is communicated with the sanding box (48), an outlet of the suction fan (47) is communicated with the sanding box (46), a top wall of the sanding box (48) is provided with a thread inlet, and a bottom wall of the sanding box (48) is provided with a thread outlet hole; an air suction opening is formed in one side, away from the suction fan (47), of the sanding box (48);

the winding device (7) is fixed on the rack (2) below the second forming device (25), the winding device (7) comprises a double-shaft servo motor (53), a first yarn guide (54), a cam shaft (55), a yarn winding cam (56) and a pressing assembly (57), the double-shaft servo motor (53) is provided with a first output end and a second output end, the first yarn guide (54) is arranged on the rack (2) above the cam shaft (55), the first output end is in transmission connection with the first yarn guide (54), the cam shaft (55) is rotatably arranged at the bottom of the rack (2), the second output end is in transmission connection with one end of the cam shaft (55), the yarn winding cam (56) is arranged on the cam shaft (55), and the pressing assembly (57) is arranged on the side face of the yarn winding cam (56).

2. The machine according to claim 1, wherein the first yarn guide (54) comprises a first transmission shaft (58), a first yarn guide shaft (59) and a first yarn guide rubber roll (60), the first transmission shaft (58) and the first yarn guide shaft (59) are rotatably connected with the frame (2), one end of the first transmission shaft (58) is provided with a fourth driven pulley, the first output end is provided with a first driving pulley, the first driving pulley is in transmission connection with the fourth driven pulley through a first synchronous belt (61), the first yarn guide rubber roll (60) is arranged on the first yarn guide shaft (59), the first yarn guide rubber roll (60) abuts against the first transmission shaft (58), a first yarn guide hook (62) is arranged above the first yarn guide shaft (59) corresponding to each second hollow spindle rod (41), the frame (2) is provided with a first fixing plate (63), and one end of the first yarn guide hook (62) is fixedly connected with the first fixing plate (63).

3. The machine according to claim 2, characterized in that a second yarn guide (64) is arranged between the first forming device (24) and the second forming device (25), the second yarn guide (64) comprises a second transmission shaft (65), a second yarn guide shaft (66) and a second yarn guide rubber roller (67), the second transmission shaft (65) and the second yarn guide shaft (66) are rotatably connected with the frame (2), a fifth driven pulley is arranged at one end of the first transmission shaft (58), a second driving pulley is arranged at one end of the first transmission shaft (58), the second driving pulley is in transmission connection with the fifth driven pulley through a second synchronous belt (68), the second yarn guide shaft (66) is arranged on the second yarn guide shaft (67), the second yarn guide rubber roller (67) is in abutting connection with the second transmission shaft (65), a second yarn guide rubber roller (69) is arranged at the upper side of the second guide (64) corresponding to each first hollow yarn guide rod (31), a second yarn guide rubber roller (69) is arranged at one end of the second hollow yarn guide rod (71), and a second fixing plate (71) is arranged at one end of the second guide rubber roller (71) and a second fixing plate (71) and a second yarn guide hook (71) is arranged at the upper side of the second hollow guide rod (71).

4. The machine according to any of claims 1-3, characterized in that the first support plate (26) is provided with a first support pillar (72), the top end of the first support pillar (72) is provided with a first fixed grid bar (73), one end of the first fixed grid bar (73) is fixedly connected with the top end of the first support pillar (72), the other end of the first fixed grid bar (73) extends to the upper side of the first aluminum disc (29), and the other end of the first fixed grid bar (73) is provided with a first rotation speed sensor (74) for detecting the rotation speed of the first aluminum disc (29).

5. The machine according to any of claims 1 to 3, characterized in that the second support plate (36) is provided with a second support pillar (75), the top end of the second support pillar (75) is provided with a second fixed grid bar (76), one end of the second fixed grid bar (76) is fixedly connected with the top end of the second support pillar (75), the other end of the second fixed grid bar (76) extends to the upper side of the second aluminum disc (39), and the other end of the second fixed grid bar (76) is provided with a second rotation speed sensor (77) for detecting the rotation speed of the second aluminum disc (39).

6. The variable-frequency control woollen spinning machine according to any one of claims 1 to 3, characterized in that the hold-down assembly (57) comprises a first support rod (78), a positioning block (79), a tension spring (80), a pull rod (81), a second support rod (82), a pressure frame (83) and a pressure pipe (84), the first support rod (78) and the second support rod (82) are both fixedly connected with the frame (2), the positioning block (79) is arranged on the first support rod (78), one end of the tension spring (80) is fixedly connected with the positioning block (79), the other end of the tension spring (80) is fixedly connected with one end of the pull rod (81), one end of the pull rod (81) far away from the tension spring (80) is hinged with the pressure frame (83), one end of the pressure frame (83) is rotatably connected with the second support rod (82), the pressure pipe (84) is rotatably arranged on the other end of the pressure frame (83), and the pressure pipe (84) is in contact with the yarn winding cam (56).

7. A variable-frequency controlled machine according to any of claims 1-3, characterized in that the yarn withdrawal mechanism (8) comprises a supporting beam (85), roving bobbins (87) and a number of groups of hangers, the supporting beam (85) being fixedly connected to the top end of the creel (1), the groups of hangers being fixed to the underside of the supporting beam (85), each group of hangers being provided with two hangers (86), the underside of each hanger (86) being provided with a roving bobbin (87).

8. A machine according to any one of claims 1 to 3, wherein the drafting assembly (3) comprises a roller stand (88), a middle roller slide (90), a rear roller slide (89), a middle upper apron (91), a middle lower apron (92), a middle roller bearing (93), an upper pin assembly (94), a lower pin assembly (95), a lower apron tension assembly (96), a yarn guide horn (97), a front roller (98), a middle roller (99), a rear roller (100), a glue application roller (101), a thread guide roller (102), a cradle (103) and a power mechanism (104), the included angle between the roller stand (88) and the horizontal direction is 42 °, the middle roller slide (90) is arranged on the roller stand (88) through a bolt, the middle roller (99) is rotatably arranged on the middle roller slide (90), the rear roller (89) is arranged on the roller stand (88) through a bolt, the rear roller (100) is rotatably arranged on the rear roller slide (89), the front roller slide (98) is rotatably arranged on the middle roller slide (90), the front roller slide (97) is arranged on the middle roller slide (90) and the roller slide (88), the roller (97) is fixed on the roller stand (88), the roller (88) is fixed on the roller (88), the roller (89), the front roller (88) is fixed with the roller guide horn (97), the roller (88) is fixed on the roller (88), the roller (88) is fixed roller (98), the roller (101) is fixed on the roller stand (88), the front roller (88), and the roller (98), the roller (101) is fixed on the roller (88), the roller (98) is fixed roller (101) is fixed roller (98), the roller (7) is fixed on the roller (88), the roller (7) is fixed on the roller stand (101) and the roller (88), the roller (7) is fixed on the roller (fixed with the roller (98), the roller stand (fixed roller stand (101) and the roller (fixed with the roller (101) 100 Rotate and set up on cradle (103), and go up rubber roll (101) with preceding roller (98) with back roller (100) contact, well roller bearing (93) and last round pin subassembly (94) all set up on cradle (103), well middle leather collar (91) set up go up round pin subassembly (94) with on well roller bearing (93), leather collar tension assembly (96) down with down round pin subassembly (95) sets up on well roller slide (90), well lower leather collar (92) set up well roller (99), down round pin subassembly (95) and on the leather collar tension assembly (96) down, power unit (104) respectively with preceding roller (98), well roller (99) with back roller (100) transmission is connected, godet roller (102) rotate to set up preceding roller (98) top on cradle (103).

9. The machine according to claim 8, wherein the power mechanism (104) comprises a motor support (105), a fourth servo motor (106), a third synchronous belt (107), a shaft pitch-changing joint (108), a bearing support (109), bearing seats (110) and an overhang shaft (111), the lower ends of the motor support (105) and the bearing support (109) are fixedly connected with the frame (2), the bearing seats (110) are arranged on the bearing supports (109) corresponding to the front roller (98), the middle roller (99) and the rear roller (100), each bearing seat (110) is provided with the overhang shaft (111), the overhang shaft (111) is in transmission connection with the front roller (98), the middle roller (99) and the rear roller (100), the shaft pitch-changing joint (108) is arranged on the overhang shaft (111), the third synchronous belt (107) is arranged on the shaft pitch-changing joint (108), the fourth servo motor (106) is fixed on the motor support (105), and the output end of the fourth synchronous belt (106) is connected with the third synchronous belt (107).

10. The machine according to any of the claims from 1 to 3, characterised in that a first yarn guide rail (51) and a second yarn guide rail (52) are arranged in parallel above the sanding box (48), the two ends of the first yarn guide rail (51) and the second yarn guide rail (52) being rotatably connected to the frame (2).

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