CN208023149U - A kind of drafting system for different yarns - Google Patents
A kind of drafting system for different yarns Download PDFInfo
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- CN208023149U CN208023149U CN201820362260.7U CN201820362260U CN208023149U CN 208023149 U CN208023149 U CN 208023149U CN 201820362260 U CN201820362260 U CN 201820362260U CN 208023149 U CN208023149 U CN 208023149U
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Abstract
The utility model provides a kind of drafting system for different yarns, belongs to technical field of textile machine.It includes upper guidance set, lower guidance set, drafting component, upper back yarn component and the lower back yarn component left end symmetrical above and below being arranged in rack, upper guidance set and lower guidance set is symmetrical above and below is arranged on the right side of upper back yarn component and lower back yarn component, upper spray assembly is arranged on first on guide roller and second between guide roller, grease-box is arranged in the side of rack, lower spray assembly is arranged between the first lower steering roll and the second lower steering roll, guide roller is arranged in third in drafting component, guide roller on third lower steering roll and the 4th, between 4th lower steering roll, upper receipts yarn component and the lower receipts yarn component right side symmetrical above and below that guide roller and the 5th lower steering roll on the 5th are set.The utility model fast implements the synchronization drawing-off to two kinds of different yarns, and drawing-off effect is good, and reasonable for structure compact, service life is long, substantially increases production efficiency.
Description
Technical field
The utility model is related to technical field of textile machine, more particularly to a kind of drafting system for different yarns.
Background technology
Textile machine is exactly that natural fiber or chemical fibre are processed into the required various mechanical equipments of textile.It is raw
Although the machinery for producing chemical fibre includes a variety of chemical machineries, it is considered as now the extension of textile machine, belongs to the weaving loom of broad sense
Tool.The different fiber process such as cotton, fiber crops, silk, hair is not quite similar at the required process of textile, what is had is entirely different, institute
Also of all kinds with the machine of needs, type is various.The usual classification by the process of production of textile machine, in respect of：Spinning equipment, weaving
Equipment, dyeing apparatus, collator, chemical fibre reel off raw silk from cocoons equipment, silk reeling equipment and bonded fabric equipment.Spinning equipment be divided into for
Process staple fiber and processing two class of long fibre.Cotton and cotton chemical fibre category staple fiber class, hair, fiber crops, thin,tough silk and its blended chemical fibre belong to long fine
Tie up class.Wool spinning is wool fibre to be processed into the spinning process process of yarn.Wool fibre also includes cashmere, rabbit based on wool
The special animal hair fibers such as hair, mohair yarn, yak hair.Wool spinning process can also be used for that wool type chemical fiber is pure to be spun, is blended and natural with other
Fiber blend.With pure spinning and blended wool yarn wool fabric, knitted fabric, the woollen blanket etc. that weave, have warming, moisture absorption, springiness and
The features such as wear-resisting.The main process of wool spinning is：The mixed hair ratio that the raw materials such as wool fibre and chemical fibre are arranged according to product first
Example mixed, then wool spinning roller and clearer card will mixing refuel after wool fibre combed, impurity elimination, formed fleece, output
Fleece by Overbridge device by spread hair curtain, fleece is converted into it is band-like, be back and forth laid on fortune hair curtain on, after mixing enter next comb
Reason machine continues to comb, and is divided into many fillets through slitting mechanism by the fleece of most end connection combing machine for fur output, by rubbing plate afterturn at thick
It is wound in after yarn on rove axis, is processed finally by fine sand and drafting process.Drawing-off is a ring critically important during wool spinning, is led
The effect stretched is that yarn is made to have certain tension, to improve the quality of yarn, improves wool spinning effect.Currently, two different
Yarn drafts need two sets of draft apparatus, energy consumption big.
Utility model content
The purpose of this utility model is to provide a kind of drafting system for different yarns, fast implements to two kinds of different yarns
The synchronization drawing-off of line, drawing-off effect is good, and reasonable for structure compact, energy consumption is small, and service life is long, substantially increases production efficiency.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of drafting system for different yarns, it includes rack, upper back yarn component, lower back yarn component, upper guiding group
Part, lower guidance set, upper spray assembly, lower spray assembly, grease-box, drafting component, upper receipts yarn component, lower receipts yarn component,
The upper back yarn component and the lower back yarn component left end symmetrical above and below being arranged in rack, the upper back yarn component includes upper back yarn
Roller, upper back yarn pressure roller, upper back yarn support plate, upper back yarn fulcrum, upper back yarn torsional spring, the upper back yarn roller are rotatably provided in rack
On, the upper back yarn fulcrum is rotatably provided in rack, and positioned at the side of upper back yarn roller, the upper back yarn fulcrum and machine
Back yarn torsional spring is provided between frame, the quantity of the upper back yarn support plate is two, and one end of two upper back yarn support plates is solid respectively
For knot at the both ends of upper back yarn fulcrum, the upper back yarn pressure roller is rotatably provided in the other ends of two upper back yarn support plates, it is described on
Back yarn pressure roller is bonded under the action of upper back yarn torsional spring with upper back yarn roller, and the lower back yarn component includes lower back yarn roller, lower back yarn
Pressure roller, lower back yarn support plate, lower back yarn fulcrum, lower back yarn torsional spring, the lower back yarn roller are rotatably provided in rack, are moved back under described
Yarn count axis is rotatably provided in rack, and positioned at the side of lower back yarn roller, is arranged between the lower back yarn fulcrum and rack
There is lower back yarn torsional spring, the quantity of the lower back yarn support plate is two, and one end of two lower back yarn support plates is fixedly arranged at lower back yarn respectively
The both ends of fulcrum, the lower back yarn pressure roller are rotatably provided in the other end of two lower back yarn support plates, and the lower back yarn pressure roller exists
It is moved back upper with the fitting of lower back yarn roller, the upper guidance set and the setting symmetrical above and below of lower guidance set under the action of lower back yarn torsional spring
The right side of yarn component and lower back yarn component, the upper guidance set includes guide roller on first, guide roller on second, is led in third
Guide roller, guide roller on the 5th on roller, the 4th, guide roller on described first, guide roller on second, guide roller, in third
Guide roller is all rotatably provided in rack from left to right on guide roller and the 5th on four, guide roller on described first, on second
Guide roller on guide roller, third, guide roller on the 4th, interlaced above and below guide roller on the 5th, the lower guidance set includes
First lower steering roll, the second lower steering roll, third lower steering roll, the 4th lower steering roll, the 5th lower steering roll are led under described first
To all rotatable setting from left to right of roller, the second lower steering roll, third lower steering roll, the 4th lower steering roll and the 5th lower steering roll
In rack, first lower steering roll, the second lower steering roll, third lower steering roll, the 4th lower steering roll and the five times guiding
Interlaced above and below roller, the upper spray assembly is arranged on first on guide roller and second between guide roller, the lubricating oil
Case is arranged in the side of rack, the upper spray assembly include upper spraying crossbeam, upper spraying bearing, upper spray head, upper spray pipe,
Upper screw rod, the first upper sprocket wheel, the second upper sprocket wheel, upper chain, upper spraying motor, the upper spraying crossbeam are horizontally fixed on rack
On, dovetail groove is provided on the upper spraying crossbeam, the dovetail on upper spraying crossbeam is slidably arranged in the upper spraying bearing
On slot, the upper spray head is mounted on upper spraying bearing, and the upper spraying bearing is connected by upper spray pipe with grease-box,
The upper screw rod is rotatably provided in rack, and the upper screw rod and upper spraying crossbeam are mutually parallel, the upper screw rod and upper spray
It applies bearing to be threadedly coupled, second upper sprocket wheel is concentric to be arranged in the side of upper screw rod, first upper sprocket wheel and upper spraying
Motor coaxle connects, and the upper spraying motor is mounted in rack, and first upper sprocket wheel and the second upper sprocket wheel pass through upper chain
Connection, the lower spray assembly is arranged between the first lower steering roll and the second lower steering roll, under the lower spray assembly includes
Spray crossbeam, lower spraying bearing, lower spray head, lower spray pipe, lower lead screw, the first lower sprocket, the second lower sprocket, lower chain, under
Spraying motor, the lower spraying crossbeam are horizontally fixed in rack, and dovetail groove, the lower spray are provided on the lower spraying crossbeam
It applies on the dovetail groove that bearing is slidably arranged on lower spraying crossbeam, the lower spray head is mounted on lower spraying bearing, described
Lower spraying bearing is connected by lower spray pipe with grease-box, and the lower lead screw is rotatably provided in rack, the lower lead screw
It is mutually parallel with lower spraying crossbeam, the lower lead screw and lower spraying bearing are threadedly coupled, the concentric setting of the second lower sprocket
In the side of lower lead screw, first lower sprocket and lower spraying motor are coaxially connected, and the lower spraying motor is mounted in rack,
First lower sprocket and the second lower sprocket are connected by lower chain, and guide roller, third is arranged in third in the drafting component
On lower steering roll and the 4th between guide roller, the 4th lower steering roll, the drafting component includes the first drawing-off support plate, the second drawing-off
Support plate, the first drawing-off fulcrum, the second drawing-off fulcrum, upper draw roll, lower draw roll, the first drawing-off cylinder, the second drawing-off cylinder,
Tension spring on one, the first tension spring, tension spring on second, the second tension spring, tension spring fulcrum on first, tension spring fulcrum, first on second
Tension spring fulcrum, the second tension spring fulcrum, tension spring fulcrum in third, on the 4th under tension spring fulcrum, third tension spring fulcrum, the 4th
Tension spring fulcrum, the first heating plate, the second heating plate, the both sides of the rack are respectively arranged with horizontal the first sliding groove and second and slide
Slot, the first drawing-off fulcrum are rotatably provided in the middle-end of the first drawing-off support plate, and the second drawing-off fulcrum is rotatably arranged
In the middle-end of the second drawing-off support plate, the first drawing-off support plate is slidably arranged by the first drawing-off fulcrum to be slided the first of rack
On slot, the second drawing-off support plate is slidably arranged by the second drawing-off fulcrum in the second sliding slot of rack, the upper drawing-off
Roller is rotatably provided in the first drawing-off support plate and the second drawing-off support plate upper end, and the lower draw roll is rotatably provided in the first drawing-off
Support plate and the second drawing-off support plate lower end, have been uniformly arranged yarn guide groove in the upper draw roll and lower draw roll, on described first
Tension spring fulcrum is fixed on the rack, and tension spring fulcrum is fixed on the upside of the first drawing-off support plate, first pull-up on described second
The both ends of spring are separately connected on first tension spring fulcrum on tension spring fulcrum and second, and the first tension spring fulcrum is fixed on rack
On, the second tension spring fulcrum is fixed on the downside of the first drawing-off support plate, and the both ends of first tension spring are separately connected
One tension spring fulcrum and the second tension spring fulcrum, tension spring fulcrum is fixed on the rack in the third, tension spring branch on the described 4th
Axis is fixed on the upside of the second drawing-off support plate, and the both ends of tension spring are separately connected in third on tension spring fulcrum and the 4th on described second
Tension spring fulcrum, the third tension spring fulcrum are fixed on the rack, and the 4th tension spring fulcrum is fixed on the second drawing-off support plate
Downside, the both ends of second tension spring are separately connected third tension spring fulcrum and the 4th tension spring fulcrum, and described first leads
It includes the first drawing-off cylinder body and the first drawing-off piston rod to stretch cylinder, and the first drawing-off cylinder body is fixed on the rack, and described first
Drawing-off piston rod connects the first drawing-off fulcrum, and the second drawing-off cylinder includes the second drawing-off cylinder body and the second drawing-off piston rod,
The second drawing-off cylinder body is fixed on the rack, and the second drawing-off piston rod connects the second drawing-off fulcrum, first pull-up
The rigidity of tension spring is identical on spring and second, and the rigidity of first tension spring and the second drop-down Huang is identical, tension spring on described first
Different with the rigidity of the first tension spring, first heating plate and the second heating plate are symmetricly set on the both sides of rack, it is described on
Receive yarn component and the lower receipts yarn component right side symmetrical above and below that guide roller and the 5th lower steering roll on the 5th are set, the upper receipts yarn
Component includes upper receipts yarn roller, upper receipts yarn motor, third upper sprocket wheel, the 4th upper sprocket wheel, chain, upper receipts yarn pressure roller, upper receipts on first
Yarn count plate, upper receipts yarn count axis, upper receipts yarn torsional spring, the upper receipts yarn roller are rotatably provided in rack, and the 4th upper sprocket wheel is same
Axle center is arranged in the upper side for receiving yarn roller, and the third upper sprocket wheel is connected with upper receipts yarn motor coaxle, the upper receipts yarn motor peace
In rack, the third upper sprocket wheel and the 4th upper sprocket wheel are connected by chain on first, and the upper receipts yarn count axis is rotatable
It is arranged in rack, and positioned at the upper side for receiving yarn roller, is provided between the upper receipts yarn count axis and rack and receives yarn torsional spring,
The upper quantity for receiving yarn count plate is two, and two upper one end for receiving yarn count plate are fixedly arranged at the both ends for receiving yarn count axis, institute respectively
It states and receives the other ends that yarn pressure roller is rotatably provided in two upper receipts yarn count plates, the upper yarn pressure roller of receiving is in the upper work for receiving yarn torsional spring
It is bonded with lower and upper receipts yarn roller, the lower receipts yarn component includes lower receipts yarn roller, lower receipts yarn motor, third lower sprocket, the four times chains
Wheel, the first lower chain, lower receipts yarn pressure roller, lower receipts yarn count plate, lower receipts yarn count axis, lower receipts yarn torsional spring, the lower receipts yarn roller are rotatable
It is arranged in rack, the 4th lower sprocket is concentric to be arranged in the lower side for receiving yarn roller, the third lower sprocket and lower receipts yarn
Motor coaxle connects, and lower the receipts yarn motor is in the rack, and the third lower sprocket and the 4th lower sprocket are by under first
Chain connects, and the lower receipts yarn count axis is rotatably provided in rack, and positioned at the lower side for receiving yarn roller, the lower receipts yarn count
Lower receipts yarn torsional spring is provided between axis and rack, the lower quantity for receiving yarn count plate is that one end of yarn count plate is received under two, two
It is fixedly arranged at the lower both ends for receiving yarn count axis respectively, the lower yarn pressure roller of receiving is rotatably provided in the other end that yarn count plate is received under two,
The lower receipts yarn pressure roller is bonded under the action of lower receipts yarn torsional spring with lower receipts yarn roller.
Further, it is both provided with temperature indicator in first heating plate and the second heating plate.
Further, the upper spray head and lower spray head adjustable angle.
Further, the upper receipts yarn motor and lower receipts yarn motor are servo motor.
Further, the upper spraying motor and lower spraying motor are servo motor.
Compared to the prior art the utility model, has the following advantages and effect：Upper receipts yarn motor and lower receipts yarn motor are same
Step acts, and upper receipts yarn motor is driven by chain, the 4th upper sprocket wheel on third upper sprocket wheel, first and receives yarn roller smooth rotation, under
It receives yarn motor and lower receipts yarn roller smooth rotation is driven by third lower sprocket, the first lower chain, the 4th lower sprocket, be mounted on upper back yarn
One of which yarn on roller passes through guide roller on first, guide roller on second, guide roller in third, upper draw roll, the successively
Guide roller on guide roller and the 5th on four, be mounted on lower back yarn roller on another yarn, successively pass through the first lower steering roll,
Second lower steering roll, third lower steering roll, lower draw roll, the 4th lower steering roll and the 5th lower steering roll, two kinds of yarns exist respectively
It is realized on upper receipts yarn roller and lower receipts yarn roller and receives yarn.The setting of upper back yarn pressure roller and lower back yarn pressure roller ensure that two kinds of yarns steadily move back
Yarn, upper receipts yarn pressure roller and the lower setting for receiving yarn pressure roller ensure that the steady receipts yarn of two kinds of yarns.First drawing-off cylinder and second is led
Cylinder synchronization action is stretched, the first drawing-off piston rod and the second drawing-off piston rod, which synchronize, retracts, and passes through the first drawing-off fulcrum and second
Drawing-off fulcrum drives the first drawing-off support plate and the second drawing-off support plate to move right, rigid due to tension spring on first and the first tension spring
Degree is different, the rigidity of tension spring and the second tension spring is different on second, what the first drawing-off support plate and the second drawing-off support plate moved right
Meanwhile it being realized to two respectively around the first drawing-off fulcrum and the second drawing-off fulcrum clockwise oscillation, upper draw roll and lower draw roll
The drawing-off of kind different yarns, different yarns has different drafting forces, to obtain different tension.Upper spray head and lower spraying
Head adjustable angle is conducive to oiling to the lubricating oil of different two kinds of yarns, strong applicability.Upper spraying motor and lower spraying motor
For servo motor, be conducive to the uniformity for improving spraying.It is uniformly arranged yarn guide groove in upper draw roll and lower draw roll, favorably
In realizing guiding to yarn and drawing-off.Upper receipts yarn motor and lower receipts yarn motor are servo motor, and rotating speed is adjustable, and rotation precision is non-
It is often accurate, be conducive to the steady receipts yarn to yarn.The utility model fast implements the synchronization drawing-off to two kinds of different yarns, drawing-off
Effect is good, and reasonable for structure compact, energy consumption is small, and service life is long, substantially increases production efficiency.
Description of the drawings
Fig. 1 is the vertical view of the undrawn state of the utility model.
Fig. 2 is the front view of the undrawn state of the utility model.
Fig. 3 is the rearview of the undrawn state of the utility model.
Fig. 4 is the vertical view of the utility model drawing-off state.
Fig. 5 is the front view of the utility model drawing-off state.
Fig. 6 is the rearview of the utility model drawing-off state.
Fig. 7 is the structural schematic diagram of spray assembly on the utility model.
Fig. 8 is the structural schematic diagram of spray assembly under the utility model.
In figure：1. rack, back yarn component on 2., 3. times back yarn components, guidance set on 4., 5. times guidance sets, on 6.
Spray assembly, 7. times spray assemblies, 8. grease-boxs, 9. drafting components receive yarn component on 10., receive yarn components for 11. time, on 12.
Back yarn roller, back yarn pressure roller on 13., back yarn support plate on 14., back yarn fulcrum on 15., back yarn torsional spring on 16., 17. times back yarn rollers,
18. lower back yarn pressure roller, 19. times back yarn support plates, 20. times back yarn fulcrums, 21. times back yarn torsional springs, guide roller on 22. first, 23. the
Guide roller on two, guide roller in 24. thirds, guide roller on 25. the 4th, guide roller on 26. the 5th, 27. first lower steering rolls,
28. the second lower steering roll, 29. third lower steering rolls, 30. the 4th lower steering rolls, 31. the 5th lower steering rolls spray on 32. horizontal
Beam, sprays bearing on 33., spray head on 34., spray pipe on 35., 36. upper screw rods, 37. first upper sprocket wheels, 38. second cochains
It takes turns, chain on 39., spraying motor on 40., 41. dovetail grooves, 42. times spraying crossbeams, 43. times spraying bearings, 44. times spray heads,
45. lower spray pipe, 46. times lead screws, 47. first lower sprockets, 48. second lower sprockets, 49. lower chains, 50. times spraying motors, 51.
First drawing-off support plate, 52. second drawing-off support plates, 53. first drawing-off fulcrums, 54. second drawing-off fulcrums, draw roll on 55., 56.
Lower draw roll, 57. first drawing-off cylinders, 58. second drawing-off cylinders, tension spring on 59. first, 60. first tension springs, 61. second
Upper tension spring, 62. second tension springs, tension spring fulcrum on 63. first, tension spring fulcrum on 64. second, 65. first tension spring fulcrums,
66. the second tension spring fulcrum, tension spring fulcrum in 67. thirds, tension spring fulcrum on 68. the 4th, 69. third tension spring fulcrums, 70.
Four tension spring fulcrums, 71. first heating plates, 72. second heating plates, 73. the first sliding grooves, 74. second sliding slots, 75. yarn guide grooves,
76. the first drawing-off cylinder body, 77. first drawing-off piston rods, 78. second drawing-off cylinder bodies, 79. second drawing-off piston rods receive yarn on 80.
Roller, receives yarn motor on 81., 82. third upper sprocket wheels, 83. the 4th upper sprocket wheels, chain on 84. first, receives yarn pressure roller on 85., and 86.
Upper receipts yarn count plate receives yarn count axis on 87., receives yarn torsional spring on 88., 89. time receipts yarn rollers, receives yarn motors for 90. times, chain under 91. thirds
Wheel, 92. the 4th lower sprockets, 93. first lower chains, 94. times receipts yarn pressure rollers, 95. times receipts yarn count plates, 96. times receipts yarn count axis, 97.
Lower receipts yarn torsional spring.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a kind of drafting system for different yarns, it
Including rack 1, upper back yarn component 2, lower back yarn component 3, upper guidance set 4, lower guidance set 5, upper spray assembly 6, lower spraying
Component 7, grease-box 8, drafting component 9, upper receipts yarn component 10, lower receipts yarn component 11, the upper back yarn component 2 and lower back yarn group
The left end symmetrical above and below being arranged in rack 1 of part 3, the upper back yarn component 2 include upper back yarn roller 12, upper back yarn pressure roller 13, on move back
Yarn count plate 14, upper back yarn fulcrum 15, upper back yarn torsional spring 16, the upper back yarn roller 12 are rotatably provided in rack 1, it is described on move back
Yarn count axis 15 is rotatably provided in rack 1, and positioned at the side of upper back yarn roller 12, the upper back yarn fulcrum 15 and rack 1
Between be provided with back yarn torsional spring 16, the quantity of the upper back yarn support plate 14 is two, one end point of two upper back yarn support plates 14
It is not fixedly arranged at the both ends of back yarn fulcrum 15, the upper back yarn pressure roller 13 is rotatably provided in two and goes up the another of back yarn support plate 14
End, the upper back yarn pressure roller 13 is under the action of upper back yarn torsional spring 16 and the fitting of upper back yarn roller 12, the lower back yarn component 3 include
Lower back yarn roller 17, lower back yarn pressure roller 18, lower back yarn support plate 19, lower back yarn fulcrum 20, lower back yarn torsional spring 21, the lower back yarn roller 17
It is rotatably provided in rack 1, the lower back yarn fulcrum 20 is rotatably provided in rack 1, and positioned at lower back yarn roller 17
Side is provided with lower back yarn torsional spring 21 between the lower back yarn fulcrum 20 and rack 1, the quantity of the lower back yarn support plate 19 is two
A, one end of two lower back yarn support plates 19 is fixedly arranged at the both ends of lower back yarn fulcrum 20 respectively, and the lower back yarn pressure roller 18 is rotatable
The other end in two lower back yarn support plates 19 is set, and the lower back yarn pressure roller 18 is under the action of lower back yarn torsional spring 21 and lower back yarn
Roller 17 is bonded, the upper guidance set 4 and lower guidance set 5 is symmetrical above and below is arranged in upper back yarn component 2 and lower back yarn component 3
Right side, the upper guidance set 4 include guide roller 23 on guide roller 22, second on first, are led on guide roller the 24, the 4th in third
The guide roller 26 on roller the 25, the 5th, guide roller 23 on guide roller 22, second on described first, in third on guide roller the 24, the 4th
Guide roller 26 is all rotatably provided in rack 1 from left to right on guide roller 25 and the 5th, guide roller 22, second on described first
About 26 guide roller is interlaced on guide roller the 25, the 5th on guide roller the 24, the 4th on upper guide roller 23, third, is led under described
Include under the first lower steering roll 27, the second lower steering roll 28, third lower steering roll 29, the 4th lower steering roll the 30, the 5th to component 5
Guide roller 31, first lower steering roll 27, the second lower steering roll 28, third lower steering roll 29, the 4th lower steering roll 30 and
Five lower steering rolls 31 are all rotatably provided in rack 1 from left to right, first lower steering roll 27, the second lower steering roll 28,
Third lower steering roll 29, the 4th lower steering roll 30 and the 5th about 31 lower steering roll are interlaced, and the upper spray assembly 6 is arranged
On first on guide roller 22 and second between guide roller 23, the grease-box 8 is arranged in the side of rack 1, the upper spray
It includes upper spraying crossbeam 32, upper spraying bearing 33, upper spray head 34, upper spray pipe 35, upper screw rod 36, the first cochain to apply component 6
The 37, second upper sprocket wheel 38, upper chain 39, upper spraying motor 40 are taken turns, the upper spraying crossbeam 32 is horizontally fixed in rack 1, institute
It states and is provided with dovetail groove 41 on spraying crossbeam 32, the swallow on upper spraying crossbeam 32 is slidably arranged in the upper spraying bearing 33
On stern notch 41, the upper spray head 34 is mounted on upper spraying bearing 33, and the upper spraying bearing 33 passes through 35 He of upper spray pipe
Grease-box 8 connects, and the upper screw rod 36 is rotatably provided in rack 1, and the upper screw rod 36 and upper spraying crossbeam 32 are mutual
Parallel, the upper screw rod 36 and upper spraying bearing 33 are threadedly coupled, and second upper sprocket wheel 38 is concentric to be arranged in upper screw rod 36
Side, first upper sprocket wheel 37 and upper spraying motor 40 are coaxially connected, the upper spraying motor 40 be mounted on rack 1 on,
First upper sprocket wheel, 37 and second upper sprocket wheel 38 is connected by upper chain 39, and the setting of lower spray assembly 7 is led under first
To between roller 27 and the second lower steering roll 28, the lower spray assembly 7 includes lower spraying crossbeam 42, lower spraying bearing 43, lower spray
Coating head 44, lower spray pipe 45, lower lead screw 46, the first lower sprocket 47, the second lower sprocket 48, lower chain 49, lower spraying motor 50, institute
It states lower spraying crossbeam 42 to be horizontally fixed in rack 1, dovetail groove 41, the lower spraying branch is provided on the lower spraying crossbeam 42
Seat 43 is slidably arranged on the dovetail groove 41 on lower spraying crossbeam 42, and the lower spray head 44 is mounted on lower spraying bearing 43
On, the lower spraying bearing 43 is connected by lower spray pipe 45 and grease-box 8, and the lower lead screw 46 is rotatably provided in rack
On 1, the lower lead screw 46 and lower spraying crossbeam 42 are mutually parallel, and the lower lead screw 46 and lower spraying bearing 43 are threadedly coupled, institute
State that the second lower sprocket 48 is concentric to be arranged in the side of lower lead screw 46, first lower sprocket 47 and lower spraying motor 50 coaxially connect
It connects, the lower spraying motor 50 is mounted in rack 1, and first lower sprocket, 47 and second lower sprocket 48 is connected by lower chain 49
It connects, the upper spray head 34 and lower 44 adjustable angle of spray head, is conducive to oiling to the lubricating oil of different two kinds of yarns, is applicable in
Property is strong.The upper spraying motor 40 and lower spraying motor 50 are servo motor, are conducive to the uniformity for improving spraying.The drawing-off
Guide roller 24 is arranged in third in component 9, on third lower steering roll 29 and the 4th between guide roller 25, the 4th lower steering roll 30,
The drafting component 9 include the first drawing-off support plate 51, the second drawing-off support plate 52, the first drawing-off fulcrum 53, the second drawing-off fulcrum 54,
Upper draw roll 55, lower draw roll 56, the first drawing-off cylinder 57, tension spring 59, the first tension spring on the second drawing-off cylinder 58, first
60, tension spring 61 on second, tension spring fulcrum 64, the first tension spring fulcrum on tension spring fulcrum 63, second on the second tension spring 62, first
65, the second tension spring fulcrum 66, in third on tension spring fulcrum the 67, the 4th under tension spring fulcrum 68, third tension spring fulcrum the 69, the 4th
Tension spring fulcrum 70, the first heating plate 71, the second heating plate 72, the both sides of the rack 1 are respectively arranged with horizontal the first sliding groove
73 and second sliding slot 74, the first drawing-off fulcrum 53 be rotatably provided in the middle-end of the first drawing-off support plate 51, described second leads
The middle-end that fulcrum 54 is rotatably provided in the second drawing-off support plate 52 is stretched, the first drawing-off support plate 51 passes through the first drawing-off fulcrum 53
Slidably it is arranged in the first sliding groove 73 of rack 1, the second drawing-off support plate 52 is slidably set by the second drawing-off fulcrum 54
It sets in the second sliding slot 74 of rack 1, the upper draw roll 55 is rotatably provided in the first drawing-off support plate 51 and the second drawing-off branch
52 upper end of plate, the lower draw roll 56 are rotatably provided in 52 lower end of the first drawing-off support plate 51 and the second drawing-off support plate, it is described on
It has been uniformly arranged yarn guide groove 75 in draw roll 55 and lower draw roll 56, tension spring fulcrum 63 is fixed in rack 1 on described first,
Tension spring fulcrum 64 is fixed on the upside of the first drawing-off support plate 51 on described second, and the both ends of tension spring 59 are separately connected on described first
Tension spring fulcrum 64 on tension spring fulcrum 64 and second on first, the first tension spring fulcrum 65 are fixed in rack 1, and described second
Tension spring fulcrum 66 is fixed on the downside of the first drawing-off support plate 51, and the both ends of first tension spring 60 are separately connected the first drop-down
Spring fulcrum 65 and the second tension spring fulcrum 66, tension spring fulcrum 67 is fixed in rack 1 in the third, tension spring branch on the described 4th
Axis 68 is fixed on the upside of the second drawing-off support plate 52, and the both ends of tension spring 61 are separately connected tension spring fulcrum 67 in third on described second
With the 4th on tension spring fulcrum 68, the third tension spring fulcrum 69 is fixed in rack 1, and the 4th tension spring fulcrum 70 is fixed
In the downside of the second drawing-off support plate 52, the both ends of second tension spring 62 are separately connected under third tension spring fulcrum 69 and the 4th
Tension spring fulcrum 70, the first drawing-off cylinder 57 include the first drawing-off cylinder body 76 and the first drawing-off piston rod 77, and described first leads
It stretches cylinder body 76 to be fixed in rack 1, the first drawing-off piston rod 77 connects the first drawing-off fulcrum 53, the second drawing-off cylinder
58 include the second drawing-off cylinder body 78 and the second drawing-off piston rod 79, and the second drawing-off cylinder body 78 is fixed in rack 1, and described the
Two drawing-off piston rods 79 connect the second drawing-off fulcrum 54, and the rigidity of tension spring 61 is identical on tension spring 59 and second on described first, institute
It is identical with the rigidity of the second drop-down Huang 62 to state the first tension spring 60, the rigidity of tension spring 59 and the first tension spring 60 is not on described first
Together, first heating plate, 71 and second heating plate 72 is symmetricly set on the both sides of rack 1, the heating of the first heating plate 71 and second
Being provided with conducive to the drawing-off effect of yarn is improved for plate 72, temperature is both provided in first heating plate, 71 and second heating plate 72
Display instrument is spent, accurately controlling for counter extensioin temperature is conducive to.The upper receipts yarn component 10 and lower receipts yarn component 11 is symmetrical above and below sets
The right side of guide roller 26 and the 5th lower steering roll 31 on the 5th is set, the upper receipts yarn component 10 includes upper receipts yarn roller 80, upper receipts
Yarn motor 81, third upper sprocket wheel 82, chain 84 on the 4th upper sprocket wheel 83, first, upper receipts yarn pressure roller 85, upper receipts yarn count plate 86, on
Yarn count axis 87, upper receipts yarn torsional spring 88 are received, the upper receipts yarn roller 80 is rotatably provided in rack 1, and the 4th upper sprocket wheel 83 is same
Axle center is arranged in the side of upper receipts yarn roller 80, and the third upper sprocket wheel 82 and upper receipts yarn motor 81 are coaxially connected, the upper receipts yarn
Motor 81 is mounted in rack 1, and 82 and the 4th upper sprocket wheel 83 of the third upper sprocket wheel is connected by chain 84 on first, it is described on
It receives yarn count axis 87 to be rotatably provided in rack 1, and positioned at the side of upper receipts yarn roller 80, the upper receipts yarn count axis 87 and rack
It is provided between 1 and receives yarn torsional spring 88, the upper quantity for receiving yarn count plate 86 is two, two upper one end for receiving yarn count plate 86 point
It is not fixedly arranged at the both ends for receiving yarn count axis 87, the upper receipts yarn pressure roller 85 is rotatably provided in two and above receives the another of yarn count plate 86
End, the upper receipts yarn pressure roller 85 wrap under the action of upper receipts yarn torsional spring 88 with the fitting of upper receipts yarn roller 80, the lower receipts yarn component 11
Include lower receipts yarn roller 89, lower receipts yarn motor 90, third lower sprocket 91, the 4th lower sprocket 92, the first lower chain 93, lower receipts yarn pressure roller
94, lower receipts yarn count plate 95, lower receipts yarn count axis 96, lower receipts yarn torsional spring 97, the lower receipts yarn roller 89 are rotatably provided in rack 1,
4th lower sprocket 92 is concentric to be arranged in the side of lower receipts yarn roller 89, and the third lower sprocket 91 and lower receipts yarn motor 90 are same
Axis connection, the lower receipts yarn motor 90 are mounted in rack 1, and 91 and the 4th lower sprocket 92 of the third lower sprocket is by under first
Chain 93 connects, and the lower receipts yarn count axis 96 is rotatably provided in rack 1, and positioned at the side of lower receipts yarn roller 89, described
Lower receipts yarn torsional spring 97 is provided between lower receipts yarn count axis 96 and rack 1, the lower quantity for receiving yarn count plate 95 is under two, two
The one end for receiving yarn count plate 95 is fixedly arranged at the both ends of lower receipts yarn count axis 96 respectively, and the lower receipts yarn pressure roller 94 is rotatably provided in two
The lower other end for receiving yarn count plate 95, the lower receipts yarn pressure roller 94 are bonded under the action of lower receipts yarn torsional spring 97 with lower receipts yarn roller 94.
The upper receipts yarn motor 81 and lower receipts yarn motor 90 are servo motor, and rotating speed is adjustable, and rotation precision is very accurate, is conducive to yarn
The steady receipts yarn of line.
Through the above technical solutions, a kind of drafting system for different yarns of the utility model is in use, upper receipts yarn is electric
Machine 81 and lower 90 synchronization action of receipts yarn motor, upper receipts yarn motor 81 pass through chain 84, the 4th cochain on third upper sprocket wheel 82, first
Wheel 83, which drives, receives 80 smooth rotation of yarn roller, and lower receipts yarn motor 90 passes through third lower sprocket 91, the first lower chain 93, the four times chains
Wheel 92 drives lower 89 smooth rotation of receipts yarn roller, the one of which yarn being mounted on upper back yarn roller 13 to pass through on first lead successively
Guide roller 23, guide roller 24 in third, guide roller on guide roller 25 and the 5th in upper draw roll the 55, the 4th on roller 22, second
26, another yarn being mounted on lower back yarn roller 17 passes through the first lower steering roll 27, the second lower steering roll 28, the successively
Three lower steering rolls 29, lower draw roll 56, the 4th lower steering roll 30 and the 5th lower steering roll 31, two kinds of yarns are respectively in upper receipts yarn roller
80 and lower receipts yarn roller 89 on realize receive yarn.The setting of upper back yarn pressure roller 85 and lower back yarn pressure roller 94 ensure that two kinds of yarns steadily move back
Yarn, upper receipts yarn pressure roller 85 and the lower setting for receiving yarn pressure roller 94 ensure that the steady receipts yarn of two kinds of yarns.First drawing-off cylinder, 57 He
Second drawing-off cylinder, 58 synchronization action, the first drawing-off piston rod 77 is synchronous with the second drawing-off piston rod 79 to retract, and is led by first
It stretches fulcrum 53 and the second drawing-off fulcrum 54 drives the first drawing-off support plate 51 and the second drawing-off support plate 52 to move right, on first
The rigidity of tension spring 59 and the first tension spring 60 is different, the rigidity of tension spring 61 and the second tension spring 62 is different on second, the first drawing-off
It is suitable respectively around the first drawing-off fulcrum 53 and the second drawing-off fulcrum 54 while support plate 51 and the second drawing-off support plate 52 move right
Hour hands are swung, and upper draw roll 55 and lower draw roll 56 realize that the drawing-off to two kinds of different yarns, different yarns have different
Drafting force, to obtain different tension.The utility model fast implements the synchronization drawing-off to two kinds of different yarns, drawing-off effect
Good, reasonable for structure compact, energy consumption is small, and service life is long, substantially increases production efficiency.
Described in this specification above content is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or use class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
It encloses, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of drafting system for different yarns, it is characterised in that：It include rack, upper back yarn component, lower back yarn component,
Upper guidance set, lower guidance set, upper spray assembly, lower spray assembly, grease-box, drafting component, upper receipts yarn component, lower receipts
Yarn component, the upper back yarn component and the lower back yarn component left end symmetrical above and below being arranged in rack, the upper back yarn component include
Upper back yarn roller, upper back yarn pressure roller, upper back yarn support plate, upper back yarn fulcrum, upper back yarn torsional spring, the upper back yarn roller are rotatably provided in
In rack, the upper back yarn fulcrum is rotatably provided in rack, and positioned at the side of upper back yarn roller, the upper back yarn fulcrum
Back yarn torsional spring is provided between rack, the quantity of the upper back yarn support plate is two, one end point of two upper back yarn support plates
It is not fixedly arranged at the both ends of back yarn fulcrum, the upper back yarn pressure roller is rotatably provided in the other end of two upper back yarn support plates, institute
State back yarn pressure roller under the action of upper back yarn torsional spring with upper back yarn roller be bonded, the lower back yarn component include lower back yarn roller, under
Back yarn pressure roller, lower back yarn support plate, lower back yarn fulcrum, lower back yarn torsional spring, the lower back yarn roller is rotatably provided in rack, described
Lower back yarn fulcrum is rotatably provided in rack, and positioned at the side of lower back yarn roller, between the lower back yarn fulcrum and rack
It is provided with lower back yarn torsional spring, the quantity of the lower back yarn support plate is two, and one end of two lower back yarn support plates is fixedly arranged at down respectively
The both ends of back yarn fulcrum, the lower back yarn pressure roller are rotatably provided in the other end of two lower back yarn support plates, the lower back yarn pressure
Roller exists under the action of lower back yarn torsional spring with the fitting of lower back yarn roller, the upper guidance set and the setting symmetrical above and below of lower guidance set
The right side of upper back yarn component and lower back yarn component, the upper guidance set include guide roller on first, guide roller, third on second
Upper guide roller, guide roller on the 4th, guide roller on the 5th, guide roller on described first, are oriented to guide roller on second in third
Roller, guide roller is all rotatably provided in rack from left to right on guide roller and the 5th on the 4th, guide roller, on described first
Guide roller on two, guide roller in third, guide roller on the 4th, interlaced, the lower guidance set above and below guide roller on the 5th
Including the first lower steering roll, the second lower steering roll, third lower steering roll, the 4th lower steering roll, the 5th lower steering roll, described first
Lower steering roll, the second lower steering roll, third lower steering roll, the 4th lower steering roll and the 5th lower steering roll are all rotatable from left to right
It is arranged in rack, under first lower steering roll, the second lower steering roll, third lower steering roll, the 4th lower steering roll and the 5th
Interlaced above and below guide roller, the upper spray assembly is arranged on first on guide roller and second between guide roller, the profit
Oil tank is arranged in the side of rack, and the upper spray assembly includes upper spraying crossbeam, upper spraying bearing, upper spray head, upper spray
Tu Guan, upper screw rod, the first upper sprocket wheel, the second upper sprocket wheel, upper chain, upper spraying motor, the upper spraying crossbeam are horizontally fixed on
In rack, dovetail groove is provided on the upper spraying crossbeam, the upper spraying bearing is slidably arranged on upper spraying crossbeam
On dovetail groove, the upper spray head is mounted on upper spraying bearing, and the upper spraying bearing passes through upper spray pipe and grease-box
Connection, the upper screw rod is rotatably provided in rack, and the upper screw rod and upper spraying crossbeam are mutually parallel, the upper screw rod with
Upper spraying bearing is threadedly coupled, and second upper sprocket wheel is concentric to be arranged in the side of upper screw rod, first upper sprocket wheel and upper
Spraying motor is coaxially connected, and the upper spraying motor is mounted in rack, and first upper sprocket wheel and the second upper sprocket wheel pass through upper
Chain connects, and the lower spray assembly is arranged between the first lower steering roll and the second lower steering roll, the lower spray assembly packet
Include lower spraying crossbeam, lower spraying bearing, lower spray head, lower spray pipe, lower lead screw, the first lower sprocket, the second lower sprocket, lower chain
Item, lower spraying motor, the lower spraying crossbeam are horizontally fixed in rack, are provided with dovetail groove on the lower spraying crossbeam, institute
It states on the dovetail groove that lower spraying bearing is slidably arranged on lower spraying crossbeam, the lower spray head is mounted on lower spraying bearing
On, the lower spraying bearing is connected by lower spray pipe with grease-box, and the lower lead screw is rotatably provided in rack, described
Lower lead screw and lower spraying crossbeam are mutually parallel, and the lower lead screw and lower spraying bearing are threadedly coupled, and second lower sprocket is coaxial
The heart is arranged in the side of lower lead screw, and first lower sprocket and lower spraying motor are coaxially connected, and the lower spraying motor is mounted on
In rack, first lower sprocket and the second lower sprocket are connected by lower chain, and the drafting component setting is oriented in third
On roller, third lower steering roll and the 4th between guide roller, the 4th lower steering roll, the drafting component include the first drawing-off support plate,
Second drawing-off support plate, the first drawing-off fulcrum, the second drawing-off fulcrum, upper draw roll, lower draw roll, the first drawing-off cylinder, second are led
Stretch cylinder, tension spring on first, the first tension spring, tension spring on second, the second tension spring, tension spring fulcrum on first, tension spring on second
Fulcrum, the first tension spring fulcrum, the second tension spring fulcrum, tension spring fulcrum in third, tension spring fulcrum, third tension spring branch on the 4th
Axis, the 4th tension spring fulcrum, the first heating plate, the second heating plate, the both sides of the rack are respectively arranged with horizontal first and slide
Slot and second sliding slot, the first drawing-off fulcrum are rotatably provided in the middle-end of the first drawing-off support plate, the second drawing-off fulcrum
It is rotatably provided in the middle-end of the second drawing-off support plate, the first drawing-off support plate is slidably arranged by the first drawing-off fulcrum in machine
In the first sliding groove of frame, the second drawing-off support plate is slidably arranged by the second drawing-off fulcrum in the second sliding slot of rack,
The upper draw roll is rotatably provided in the first drawing-off support plate and the second drawing-off support plate upper end, and the lower draw roll is rotatably arranged
In the first drawing-off support plate and the second drawing-off support plate lower end, it has been uniformly arranged yarn guide groove in the upper draw roll and lower draw roll,
Tension spring fulcrum is fixed on the rack on described first, and tension spring fulcrum is fixed on the upside of the first drawing-off support plate, institute on described second
The both ends for stating tension spring on first are separately connected on first tension spring fulcrum on tension spring fulcrum and second, and the first tension spring fulcrum is solid
It is scheduled in rack, the second tension spring fulcrum is fixed on the downside of the first drawing-off support plate, the both ends point of first tension spring
The first tension spring fulcrum and the second tension spring fulcrum are not connected, tension spring fulcrum is fixed on the rack in the third, and the described 4th
Upper tension spring fulcrum is fixed on the upside of the second drawing-off support plate, and the both ends of tension spring are separately connected tension spring fulcrum in third on described second
With the 4th on tension spring fulcrum, the third tension spring fulcrum is fixed on the rack, and the 4th tension spring fulcrum is fixed on second
The both ends of the downside of drawing-off support plate, second tension spring are separately connected third tension spring fulcrum and the 4th tension spring fulcrum, institute
It includes the first drawing-off cylinder body and the first drawing-off piston rod to state the first drawing-off cylinder, and the first drawing-off cylinder body is fixed on the rack,
The first drawing-off piston rod connects the first drawing-off fulcrum, and the second drawing-off cylinder includes the second drawing-off cylinder body and the second drawing-off
Piston rod, the second drawing-off cylinder body are fixed on the rack, and the second drawing-off piston rod connects the second drawing-off fulcrum, and described the
The rigidity of tension spring is identical on tension spring and second on one, and the rigidity of first tension spring and the second drop-down Huang is identical, and described first
The rigidity of upper tension spring and the first tension spring difference, first heating plate and the second heating plate are symmetricly set on the both sides of rack,
The upper receipts yarn component and the lower receipts yarn component right side symmetrical above and below that guide roller and the 5th lower steering roll on the 5th are set, it is described
Upper receipts yarn component includes upper receipts yarn roller, upper receipts yarn motor, third upper sprocket wheel, the 4th upper sprocket wheel, chain, upper receipts yarn pressure on first
Roller, upper receipts yarn count plate, upper receipts yarn count axis, upper receipts yarn torsional spring, the upper receipts yarn roller is rotatably provided in rack, on the described 4th
The sprocket coaxiality heart is arranged in the upper side for receiving yarn roller, and the third upper sprocket wheel is connected with upper receipts yarn motor coaxle, the upper receipts yarn
Motor is mounted in rack, and the third upper sprocket wheel and the 4th upper sprocket wheel are connected by chain on first, the upper receipts yarn count axis
It is rotatably provided in rack, and positioned at the upper side for receiving yarn roller, receipts is provided between the upper receipts yarn count axis and rack
Yarn torsional spring, the upper quantity for receiving yarn count plate are two, and two upper one end for receiving yarn count plate are fixedly arranged at receive yarn count axis respectively
Both ends, the upper yarn pressure roller of receiving are rotatably provided in two upper other ends for receiving yarn count plate, and the upper receipts yarn pressure roller is in upper receipts yarn
Under the action of torsional spring and upper receipts yarn roller be bonded, the lower receipts yarn component include lower receipts yarn roller, lower receipts yarn motor, third lower sprocket,
4th lower sprocket, the first lower chain, lower receipts yarn pressure roller, lower receipts yarn count plate, lower receipts yarn count axis, lower receipts yarn torsional spring, the lower receipts yarn
Roller is rotatably provided in rack, and the 4th lower sprocket is concentric to be arranged in the lower side for receiving yarn roller, the third lower sprocket
It is connected with lower receipts yarn motor coaxle, the lower receipts yarn motor is mounted in rack, and the third lower sprocket and the 4th lower sprocket are logical
The connection of the first lower chain is crossed, the lower receipts yarn count axis is rotatably provided in rack, and positioned at the lower side for receiving yarn roller, described
Lower receipts yarn torsional spring is provided between lower receipts yarn count axis and rack, the lower quantity for receiving yarn count plate is to receive yarn count under two, two
One end of plate is fixedly arranged at the lower both ends for receiving yarn count axis respectively, and the lower yarn pressure roller of receiving is rotatably provided in receipts yarn count plate under two
The other end, the lower receipts yarn pressure roller are bonded under the action of lower receipts yarn torsional spring with lower receipts yarn roller.
2. a kind of drafting system for different yarns according to claim 1, it is characterised in that：First heating plate
It is both provided with temperature indicator in the second heating plate.
3. a kind of drafting system for different yarns according to claim 1, it is characterised in that：The upper spray head and
Lower spray head adjustable angle.
4. a kind of drafting system for different yarns according to claim 1, it is characterised in that：The upper receipts yarn motor
It is servo motor with lower receipts yarn motor.
5. a kind of drafting system for different yarns according to claim 1, it is characterised in that：The upper spraying motor
It is servo motor with lower spraying motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362260.7U CN208023149U (en) | 2018-03-16 | 2018-03-16 | A kind of drafting system for different yarns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362260.7U CN208023149U (en) | 2018-03-16 | 2018-03-16 | A kind of drafting system for different yarns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208023149U true CN208023149U (en) | 2018-10-30 |
Family
ID=63906559
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362260.7U Expired - Fee Related CN208023149U (en) | 2018-03-16 | 2018-03-16 | A kind of drafting system for different yarns |
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| Country | Link |
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| CN (1) | CN208023149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230134A (en) * | 2019-05-29 | 2019-09-13 | 义乌市润朵服装有限公司 | A kind of drafting system of weaving loom |
-
2018
- 2018-03-16 CN CN201820362260.7U patent/CN208023149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230134A (en) * | 2019-05-29 | 2019-09-13 | 义乌市润朵服装有限公司 | A kind of drafting system of weaving loom |
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