CN106560535A - Drafting Device, Spinning Machine And Spinning Method - Google Patents
Drafting Device, Spinning Machine And Spinning Method Download PDFInfo
- Publication number
- CN106560535A CN106560535A CN201610855015.5A CN201610855015A CN106560535A CN 106560535 A CN106560535 A CN 106560535A CN 201610855015 A CN201610855015 A CN 201610855015A CN 106560535 A CN106560535 A CN 106560535A
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- CN
- China
- Prior art keywords
- lora
- bottom roll
- drafting system
- distance
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/44—Adjusting drafting elements, e.g. altering ratch
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/56—Supports for drafting elements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
- D01H5/62—Non-rotary cleaning pads or plates; Scrapers
- D01H5/625—Non-rotary cleaning pads or plates; Scrapers in cooperation with suction or blowing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention provides a drafting device, a spinning machine and a spinning method. The drafting device includes: a plurality of pairs of rollers disposed in the order of a pair of first rollers, a pair of second rollers, and a pair of third rollers from the downstream side toward the upstream side on a draft path of the fiber bundle and having respective bottom rollers and top rollers; a first supporting unit supporting a first bottom roller of the pair of first rollers; a second supporting unit supporting a second bottom roller of the pair of second rollers; and a third supporting unit supporting a third bottom roller of the pair of third rollers and movably disposed along the draft path. The first bottom roller and the second bottom roller are disposed such that a first distance between the center axis of the first bottom roller and the center axis of the second bottom roller is in a range between 50 mm and 65 mm, inclusive. The third supporting unit moves along the draft path and positions the third bottom roller such that a second distance between the center axis of the second bottom roller and the center axis of the third bottom roller is in a range between 35 mm and 65 mm, inclusive.
Description
Technical field
The present invention relates to a kind of drafting system, weaving loom and Weaving method.
Background technology
Drafting system possesses rear roller to, threeth Lora towards most downstream side from the most upstream side in the drawing-off path of fibre bundle
To, middle Lora to and front roller to (referring for example to patent documentation 1 (Japanese Unexamined Patent Publication 11-100725 publication)).
The content of the invention
In drafting system, need according to the effective fibre length of fibre bundle determine Lora to the distance between (Lora
Gauge (roller gauge)).Effective fibre length is different according to fibre bundle species difference.Therefore, fill in conventional drawing-off
In putting, if for example for chopped fiber (38mm) use and determine Lora to the distance between in the case of to long fibre (51mm)
Fibre bundle carry out drawing-off, it is likely that cause fiber not to be stretched and that drawing-off occurs is bad.In conventional drafting system,
If for example for long fibre with and drawing-off is carried out to the fibre bundle of chopped fiber in the case of determining the distance between Lora pair,
The thickness of the fibre bundle after then fiber is difficult to be hung on Lora, therefore drawing-off is possible to produce uneven etc..Thus, lead in conventional
Stretch in device, it is impossible to which the various fibre bundles different to effective fibre length carry out drawing-off.
The purpose of one mode of the present invention is to provide a kind of various fibre bundles that can be different to effective fibre length
Carry out drafting system, weaving loom and the Weaving method of drawing-off.
The drafting system of one mode of the present invention carries out drawing-off to the fibre bundle supplied to air textile apparatus, the air
Textile apparatus are twisted to fibre bundle and generate yarn, and drafting system possesses：Multiple Lora pair, the plurality of Lora is in fibre bundle
On drawing-off path from downstream towards upstream side with first roller to, the second Lora to and the order of the 3rd Lora pair match somebody with somebody
Put, and there is bottom roll and top roller respectively；First support, first support support first time sieve of first roller pair
Draw；Second support, second support support the second bottom roll of the second Lora pair；And the 3rd support, the 3rd
Bearing portion supports the 3rd bottom roll of the 3rd Lora pair, and can movably arrange along drawing-off path, the first bottom roll and second
Bottom roll so that the first distance between the central shaft of the central shaft of the first bottom roll and the second bottom roll become more than 50mm and
The mode of the scope of below 65mm is configured, and the 3rd support is so that in the above-mentioned central shaft and the 3rd bottom roll of the second bottom roll
Second distance between heart axle become the mode of the scope of more than 35mm and below 65mm along drawing-off path move and by under the 3rd
Lora fetch bit.
In the drafting system of a mode of the present invention, the second bottom roll and the 3rd bottom roll can be configured to and be had
The corresponding suitable second distance of effect fibre length, it is bad etc. therefore, it is possible to suppress to occur drawing-off.Thus, drafting system can be right
The different various fibre bundles of effective fibre length carry out drawing-off.
In one embodiment, or, the first support by the first bottom roll relative to drawing-off path position
Fixed, position of second support by the second bottom roll relative to drawing-off path is fixed, and the first distance is more than 55mm and 62mm
Following scope, second distance are adjusted in more than 38mm and in the scope of below 43mm.Thus, in drafting system, by not
Make the first support and the second support location change the position of the 3rd support is changed within the above range, and can
Rightly the various fibre bundles different to effective fibre length carry out drawing-off.
In conventional drafting system, as described above, being determined according to the effective fibre length of the fiber for becoming drawing-off object
Determine Lora to the distance between, support etc. of supporting Lora pair is adjusted in the way of becoming the distance.Therefore, lead in conventional
Stretch in device, the distance of Lora pair is set for a kind of effective fibre length of fibre bundle.Thus, in conventional drafting system
In, various fibre bundles that cannot be different to effective fibre length in a drafting system carry out drawing-off.
In the drafting system of an embodiment, will be the first distance fixed, and according to effective fibre length adjusting the
Two distances.First distance is set as to carry out chopped fiber and long fibre both sides the distance of drawing-off.Specifically, by first
Distance is set as the distance that drawing-off is carried out to 2 inches of long fibre.The above range of drawing-off is carried out in the long fibre to 2 inches
In the case of first distance, in addition to 2 inches of long fibre, additionally it is possible to tackle the drawing-off of 1.5 inches of chopped fiber.So,
It is even if the first distance to be fixed as the distance of 2 inches of long fibre, also less for the impact of the drawing-off carried out to chopped fiber.
On the other hand, in the case where being set as carrying out the distance of drawing-off to 1.5 inches of chopped fiber by the first distance, it is impossible to reply length
Fiber, it is impossible to which drawing-off is carried out to chopped fiber and long fibre both sides.As described above, in the drafting system of an embodiment, adopting
Use following structure：First distance is fixed as the distance of the long fibre of 2 inches of reply, makes according to effective fibre length to adjust
Distance be second distance.Thus, in drafting system, various fibre bundles that can be different to effective fibre length lead
Stretch.
In one embodiment, or, multiple Lora to also have the 4th Lora pair, the 4th Lora to configuration
In the upstream side of the 3rd Lora pair and with the 4th bottom roll and the 4th top roller, drafting system possesses the 4th bottom roll of supporting simultaneously
And the 4th support that can movably arrange along drawing-off path, the 4th support is so that the central shaft and the 4th of the 3rd bottom roll
4th bottom roll is taken by the mode of the scope that the 3rd distance between the central shaft of bottom roll becomes more than 35mm and below 65mm
Position.Thus, in drafting system, suitable 3rd distance corresponding with effective fibre length can be set as, can be to effective
The different various fibre bundles of fibre length carry out drawing-off.
In one embodiment, or, the 3rd distance is adjusted in more than 40mm and in the scope of below 43mm.By
This, drafting system can by be arranged to the 3rd Lora of more suitably the 3rd distance to and the 4th Lora to come rightly to having
The different various fibre bundles of effect fibre length carry out drawing-off.
In one embodiment, or, second distance and the 3rd apart from its difference in more than 3mm and below 5mm
In the range of adjust.Thus, drafting system more rightly can carry out drawing-off to fibre bundle.
In one embodiment, or, possess the first limiting unit and the second limiting unit, first limiting unit and
Two limiting units are configured between the second Lora pair and the 3rd Lora pair on drawing-off path, and limit the width of fibre bundle.Thus,
Expand the distance between adjacent Lora pair even from effective fibre length, it is also possible to avoid from the Lora of upstream side to limit
Distance till portion processed becomes big situation.Therefore, according to the drafting system, can suppress to be difficult to control as drafting resistance declines
The fiber of system is wound in Lora pair.
The weaving loom of one mode of the present invention possesses：Any of the above-described drafting system；Air textile apparatus, the air spin
Knit device to twist the fibre bundle after drafting system drawing-off and generate yarn；And coiler device, coiler device winding
Yarn.
In one embodiment, or, the draw ratio between first roller pair and the second Lora pair be 20～60
Times.
In one embodiment, or, the draw ratio between the second Lora pair and the 3rd Lora pair be 1～5 times.
In the drafting system of the weaving loom of a mode of the present invention, various fibres that can be different to effective fibre length
Dimension Shu Jinhang drawing-offs.As drawing-off can be carried out to fibre bundle rightly, therefore, it is possible to suppress to generate by air textile apparatus
Yarn yarn quality decline.
In one embodiment, or, weaving loom possesses：Input unit, the input unit are accepted by drafting system
The input of the effective fibre length of the fibre bundle after drawing-off；And control unit, the control unit is according to having for being input in input unit
Imitate fibre length to control the action of drafting system.Thus, in drafting system, can carry out long with the effective fiber of fibre bundle
Spend corresponding action.
The Weaving method of one mode of the present invention is the Weaving method of the weaving loom for possessing following part：Drafting system,
The drafting system carries out drawing-off to fibre bundle；And air textile apparatus, the air textile apparatus are to by drafting system drawing-off
Rear fibre bundle twisting and generate yarn, in the Weaving method, drafting system possesses multiple Lora pair, the plurality of Lora to
On the drawing-off path of fibre bundle from downstream towards upstream side with first roller to, the second Lora to and the 3rd Lora pair order
Configured, and there is bottom roll and top roller respectively, by the central shaft and the second Lora of the first bottom roll of first roller pair
To the second bottom roll central shaft between the first distance determine in more than 50mm and in the scope of below 65mm, in fibre bundle
Effective fibre length be 38mm in the case of, by the 3rd bottom roll of the central shaft of the second bottom roll and the 3rd Lora pair
Second distance between heart axle is adjusted in more than 35mm and in the scope of below 45mm, and with the second distance after adjustment to fiber
Shu Jinhang drawing-offs, fibre bundle effective fibre length be 51mm in the case of, by second distance in more than 35mm and 65mm with
Under scope in adjustment, and drawing-off is carried out to fibre bundle with the second distance after adjustment.
In the Weaving method of a mode of the present invention, can be according to the length of effective fibre length by multiple Lora pair
It is configured at suitable position and drawing-off is carried out to fibre bundle, it is bad etc. therefore, it is possible to suppress drawing-off.Thus, in Weaving method
In, various fibre bundles that can be different to effective fibre length carry out drawing-off.As a result, can suppress to fill by air weaving
The yarn quality for putting the yarn of generation declines.
A mode of the invention, various fibre bundles that can be different to effective fibre length carry out drawing-off.
Description of the drawings
Fig. 1 is the front view of the weaving loom of an embodiment.
Fig. 2 is the side view of the weaving unit of the weaving loom shown in Fig. 1.
Fig. 3 is the top view of the drafting system of the weaving unit shown in Fig. 2.
Fig. 4 is the side view of the drafting system of the weaving unit shown in Fig. 2.
Fig. 5 is the axonometric chart of the construction for representing the second limiting part periphery.
Fig. 6 is the sectional view of the drafting system of the weaving unit shown in Fig. 2.
Specific embodiment
Hereinafter, with reference to the accompanying drawings of an embodiment.Identical accompanying drawing is marked to identical element in the description of the drawings
Simultaneously the repetitive description thereof will be omitted for labelling.
As shown in figure 1, weaving loom 1 possess multiple weaving units 2, connect yarn chassis 3, the chassis that doffs (omit diagram), first
End-rack 4 and the second end-rack 5.Multiple weaving units 2 are arranged in string.Each weaving unit 2 generates yarns Y and winds yarns Y
Into package P.Connect the situation that yarns Y is cut off or yarns Y disconnects due to certain reason in a certain weaving unit 2 of yarn chassis 3
Under, in the weaving unit 2 carry out connecing yarn action.The chassis package P in a certain weaving unit 2 that doffs becomes the situation of full volume
Under, package P is doffed and new spool B supplied to the weaving unit 2.
Retracting device etc. is accommodated with the first end-rack 4, the retracting device reclaims the Soft flocks produced in weaving unit 2
With the end of a thread etc..Air supply unit and drive motor etc. are accommodated with the second end-rack 5, the air supply unit is to supplying to weaving loom 1
The air pressure of the compressed air (air) given is adjusted and to each several part supply air of weaving loom 1, the drive motor is used
It is powered in each several part to unit 2 of weaving.Board control device 100, display picture 102 are provided with the second end-rack 5
And enter key (input unit) 104.Board control device 100 intensively manages and controls each several part of weaving loom 1.Display picture
102 can show information related to the setting content and/or state of weaving unit 2 etc..Operating personnel is using enter key 104
Appropriate operation is carried out, the setting operation thus, it is possible to carry out weaving unit 2.
As depicted in figs. 1 and 2, each weaving unit 2 on the direct of travel of yarns Y from upstream side possesses drawing-off successively and fills
Put 6, air textile apparatus 7, yarn monitoring device 8, tension pick-up 9, yarn accumulation device 11, Wax applyor 12 and winding
Device 13.Cell controller (control unit) 10 is arranged by the weaving unit 2 per specified quantity, and controls the dynamic of unit 2 of weaving
Make.
Drafting system 6 carries out drawing-off to sliver (fibre bundle) S.Drafting system 6 is on the direct of travel of sliver S from upstream side
Rise
(the second Lora to) 16 and front roller are to (first roller to) 17.Each Lora has bottom roll and upper sieve to 14,15,16 and 17
Draw.Bottom roll by the drive motor for being arranged at the second end-rack 5 or be arranged at it is each weaving unit 2 drive motor carry out rotation drive
It is dynamic.Tengential belt 18a is provided with to 16 bottom roll to middle Lora.Tengential belt 18b is provided with to 16 top roller to middle Lora.
Air textile apparatus 7 are by air stream of circling round to generating yarn by the fiber bundle F twisting after 6 drawing-off of drafting system
Y.In more detail (however, omitting diagram), there is air textile apparatus 7 weaving room, fiber guide portion, convolution air stream to produce
Nozzle and hollow guide shaft body.The fiber bundle F supplied from the drafting system 6 of upstream side is directed to weaving room by fiber guide portion
It is interior.Convolution air stream produces nozzle and is configured in around the path of fiber bundle F traveling.By producing nozzle injection from convolution air stream
Air, and air stream is whirled up in weaving interior.Each fibre of the plurality of fibers of composition fiber bundle F is made by the convolution air stream
Dimension end inverts and rotates.Yarns Y is directed to the outside of air textile apparatus 7 from weaving interior by hollow guide shaft body.
Yarn monitoring device 8 monitors the letter of the yarns Y of traveling between air textile apparatus 7 and yarn accumulation device 11
Breath.Yarn monitoring device 8 detects the presence of yarn faults according to the information for monitoring.Yarn monitoring device 8 detect yarn lack
In the case of falling into, yarn faults detection signal is sent to into cell controller 10.Yarn monitoring device 8 as yarn faults for example
The foreign body included in the thickness exception and/or yarns Y of detection yarns Y.Yarn monitoring device 8 also detects broken yarn etc..Tension force is sensed
Device 9 determines the tension force of the yarns Y of traveling between air textile apparatus 7 and yarn accumulation device 11.Tension pick-up 9 is by tension force
Determine signal and be sent to cell controller 10.Cell controller 10 according in yarn monitoring device 8 and tension pick-up 9 extremely
Lack the testing result of a side and be judged as depositing in an exceptional case, the cutting continuous strand Y in weaving unit 2.Specifically, make sky
Gas stops to the supply of air textile apparatus 7 and interrupts the generation of yarns Y, thus cutting continuous strand Y.Or, it is also possible to pass through
The cutter for separately arranging carrys out cutting continuous strand Y.
Wax applyor 12 is waxed to yarns Y between yarn accumulation device 11 and coiler device 13.
Yarn accumulation device 11 eliminates the lax of yarns Y between air textile apparatus 7 and coiler device 13.Yarn accumulation
Device 11 with stably drawing the function of yarns Y, make connecing when yarn chassis 3 carries out connecing yarn action etc. from air textile apparatus 7
The yarns Y sent from air textile apparatus 7 is detained and prevents the lax function of yarns Y and prevent than yarn accumulation device
The tension change of the yarns Y of 11 downstreams is transferred to the function of air textile apparatus 7.
Yarns Y is wound in spool B and forms package P by coiler device 13.Coiler device 13 has reel cage arm 21, winch spool
22 and traversing guide 23.Spool B is supported in the way of it can rotate by reel cage arm 21.Reel cage arm 21 can by fulcrum 24
Swingingly it is supported by, the surface of spool B or the surface of package P is contacted with the surface of winch spool 22 with appropriate pressure.
The drive motor (omitting diagram) of the second end-rack 5 is arranged at while driving the winch spool 22 of multiple weaving units 2.Thus, each
Spool B or package P is made to rotate to coiling direction in weaving unit 2.The traversing guide 23 of each weaving unit 2 is arranged at by multiple
The shared axle 25 of weaving unit 2.Axle 25 is back and forth driven by the drive motor of the second end-rack 5 along the rotation direction of principal axis of winch spool 22
Dynamic, thus traversing guide 23 makes yarns Y relative to the spool B or package P of rotation with regulation amplitude traversing.
Connect the situation that yarns Y is cut off or yarns Y disconnects due to certain reason in a certain weaving unit 2 of yarn chassis 3
Under, march to the weaving unit 2 and carry out connecing yarn action.Yarn chassis 3 is connect with yarn splicing device 26, suction pipe 27 and suction nozzle 28.
Suction pipe 27 rotationally can be supported by by fulcrum 31.Suction pipe 27 catches the yarns Y from air textile apparatus 7 and by the yarn
Y is directed to yarn splicing device 26.Suction nozzle 28 rotationally can be supported by by fulcrum 32.Suction nozzle 28 is caught from coiler device 13
The yarns Y is simultaneously directed to yarn splicing device 26 by yarns Y.26 pairs of yarns Ys being directed of yarn splicing device carry out connecing yarn each other.Connect yarn dress
It is wire twister for being mechanically attached using the splicer of compressed air or by yarns Y etc. to put 26.
When connecing yarn chassis 3 and carrying out connecing yarn action, package P is made to winding rightabout rotation (reversion).Now, so that volume
Dress P moves reel cage arm 21 by cylinder (omitting diagram) from 22 detached mode of winch spool, and connects yarn chassis 3 by being arranged at
Reversion Lora (omit diagram) invert package P.
Then, describe drafting system 6 in detail.As shown in Figure 3 and Figure 4, rear roller to 14 with across make sliver S advance
Drawing-off path R and relative rear bottom roll (the 4th bottom roll) 14a and rear top roller (the 4th top roller) 14b.3rd Lora pair
15 with across relative the 3rd bottom roll (the third bottom roller) 15a and the 3rd top roller 15b of drawing-off path R.
Middle Lora is to 16 with across relative middle bottom roll (the second bottom roll) 16a of drawing-off path R and middle top roller
16b.Tengential belt 18a is provided with middle bottom roll 16a restockings.Tengential belt 18b is provided with middle top roller 16b restockings.Front roller is to 17
With across relative front bottom roll (the first bottom roll) 17a and front upper roller 17b of drawing-off path R.
Multiple Lora carry out drawing-off while make to the sliver S supplied from bar cylinder (omitting diagram) to 14,15,16 and 17 one side
From upstream side, downstream skidding enters sliver S, and fiber bundle F is supplied to air textile apparatus 7.Hereinafter, by along drawing-off path R's
Direction is referred to as " drawing-off direction ".Upstream side on drawing-off direction is referred to as into " upstream side ", by the downstream letter on drawing-off direction
Referred to as " downstream ".
Bottom roll 14a can rotatably be supported on rear roller housing (the 4th support) 61 afterwards.3rd bottom roll 15a can
3rd Lora housing (the 3rd support) 62 is supported on rotatably.Middle bottom roll 16a can rotatably be supported on middle Lora
Housing (the second support) 63.Front bottom roll 17a can rotatably be supported on front roller housing (the first support) 64.Make it is each under
Lora 14a, 15a, 16a and 17a are revolved with mutually different rotating speed in the way of by the Lora in downstream, then rotating speed is faster
Turn.
Each Lora housing 61,62,63 and 64 is installed on machine frame 20.Front roller housing 64 and middle Lora housing 63 be not with
Mobile mode is fixed on machine frame 20.Thus, front bottom roll 17a and middle bottom roll 16a is relative to drawing-off path R's
Position is fixed.In the present embodiment, the distance between front lower Lora 17a and middle bottom roll 16a are not adjusted, therefore before
Lora housing 64 and middle Lora housing 63 can also be formed as a housing.
Rear roller housing 61 and the 3rd Lora housing 62 are arranged in the way of it can move relative to machine frame 20 respectively.
Rear roller housing 61 and the 3rd Lora housing 62 can be made to move along drawing-off path R respectively and be fixed on arbitrary position.Specifically
Ground says, and rear roller housing 61 and the 3rd Lora housing 62 are for example respectively with can be relative to machine frame 20 along drawing-off path R slips
Mode arrange, and machine frame 20 is fixed on by fixture (omit diagram) on the position of regulation.Bottom roll 14a and afterwards
Respectively can arrange in the way of drawing-off path R movements, its position can adjust three bottom roll 15a along drawing-off path R.
As shown in fig. 6, between the central shaft 16c of the central shaft 17c of front bottom roll 17a and middle bottom roll 16a first
Fixed range is maintained apart from D1.First apart from the central shaft 17c that D1 is the past bottom roll 17a pass through and with drawing-off path R just
The line of friendship and the central shaft 16c from middle bottom roll 16a pass through and the distance between the line orthogonal with drawing-off path R.
The central shaft 16c that middle bottom roll 16a can be adjusted by making the 3rd Lora housing 62 move along drawing-off path R
And the second distance D2 between the central shaft 15c of the 3rd bottom roll 15a.Second distance D2 is the center from middle bottom roll 16a
Axle 16c passes through and the line orthogonal with drawing-off path R and the central shaft 15c from the 3rd bottom roll 15a pass through and with drawing-off path R
The distance between orthogonal line.
Can be adjusted under the 3rd by making rear roller housing 61 and/or the 3rd Lora housing 62 move along drawing-off path R
Between the central shaft 14c of the central shaft 15c of Lora 15a and rear bottom roll 14a the 3rd is apart from D3.3rd is from the 3rd apart from D3
The central shaft 15c of bottom roll 15a by and the line orthogonal with drawing-off path R and central shaft 14c from rear bottom roll 14a pass through
The distance between and the line orthogonal with drawing-off path R.
First is adjusted apart from D1, second distance D2 and the 3rd apart from D3 according to the effective fibre length of sliver S.First away from
It is with a distance from more than 50mm and below 65mm, preferred more than 55mm and below 62m from D1.It is 49mm below apart from D1 first
When, the situation of drawing-off even if for example exist driving drafting system 6, also cannot be carried out to the sliver S that effective fibre length is 51mm
(that is, the situation of fiber bundle F can not be sent from drafting system 6).Or, first apart from D1 be below 49mm when, exist effectively
Fibre length is clamped to 16 to 17 and middle Lora by front roller for the two ends of a part of fiber of the sliver S of 51mm, cause from
The fiber bundle F that front roller is sent to 17 produces the uneven situation of thickness.As a result, the yarns Y generated by the fiber bundle F
Produce thickness uneven, so that the part are detected as yarn faults by yarn monitoring device 8.Become apart from D1 when first
During more than 66mm, the two ends that there is a part of fiber of the sliver S that effective fibre length is 51mm will not be by front roller to 17 Hes
Middle Lora to any one clamping in 16, so as to the situation of the motion of 6 uncontrollable sliver S of drafting system.
Second distance D2 is adjusted in the way of becoming the distance of more than 35mm and below 65mm.That is, so that the three times sieve
Draw 15a to become the mode of position of the distance of more than 35mm and below 65mm positioned at second distance D2, make the 3rd Lora housing 62
It is mobile.The moving range of the 3rd Lora housing 62 can also become model as more than 35mm and below 65mm than second distance D2
Enclose big.In the case where the effective fibre length of sliver S is 38mm, second distance D2 with become more than 38mm and below 43mm,
It is preferred that the mode of the distance of more than 39mm and below 42mm is adjusted.In the case where the effective fibre length of sliver S is 51mm,
Second distance D2 is adjusted in the way of the distance for becoming more than 38mm and below 60mm, preferred more than 50mm and below 60mm.
When second distance D2 is below 34mm, there is a part of fiber of the sliver S that effective fibre length is 38mm
Two ends are clamped to 16 to 17 and middle Lora by front roller, cause from front roller the fiber bundle F sent to 17 to produce thickness uneven
Even situation.As a result, it is uneven also to produce thickness by the yarns Y that the fiber bundle F is generated, so as to be filled by yarn monitoring
Put 8 and the part is detected as into yarn faults.When second distance D2 is more than 66mm, there is the yarn that effective fibre length is 38mm
The two ends of a part of fiber of bar S will not by front roller to 17 and middle Lora to any one clamping in 16, so as to drawing-off is filled
Put the situation of the motion of 6 uncontrollable sliver S.As a result, for example there is yarns Y produces the significantly uneven feelings of thickness
Condition.Next same explanation for the to be illustrated the 3rd being also what is set up apart from D3.
3rd is adjusted in the way of becoming the distance of more than 35mm and below 65mm apart from D3.That is, so that rear bottom roll
Modes of the 14a positioned at the position of the 3rd distance for becoming more than 35mm and below 65mm apart from D3 moves rear roller housing 61.
The moving range of rear roller housing 61 can also become 35mm more than apart from D3 than the 3rd and the such scopes of below 65mm are big.
In the case that the effective fibre length of sliver S is 38mm, the 3rd apart from D3 becoming more than 40mm and below 50m, preferred 42mm
Above and the mode of the distance of below 45mm is adjusted.In the case where the effective fibre length of sliver S is 51mm, the 3rd distance
D3 is adjusted in the way of the distance for becoming more than 40mm and below 62m, preferred more than 50mm and below 60mm.With second distance
D2 and the 3rd apart from D3 the mode that is converged in the scope of more than 3mm and below 5mm of difference set second distance D2 and the 3rd away from
From D3.
Each top roller 14b, 15b, 16b and 17b are supported on drawing-off bracket 65 in the way of it can rotate.Make each top roller
14b, 15b, 16b and 17b are contacted and driven rotation with each bottom roll 14a, 15a, 16a and 17a with authorized pressure.
Side guides 66 are installed in the side of drawing-off bracket 65.Side guides 66 specify the central shaft of front upper roller 17b
The distance between 17d and central shaft 16d of middle top roller 16b, the central shaft 16d of middle top roller 16b and the 3rd top roller
The central shaft 14d of the central shaft 15d of the distance between central shaft 15d of 15b and the 3rd top roller 15b and rear top roller 14b
The distance between.
In the present embodiment, between the central shaft 16d of the central shaft 17d of front upper roller 17b and middle top roller 16b
Distance be adjusted to first apart from D1 identical distances.The central shaft 16d's and the 3rd top roller 15b of middle top roller 16b
The distance between central shaft 15d is adjusted to and second distance D2 identical distances.The central shaft 15d of the 3rd top roller 15b with
Afterwards the distance between central shaft 14d of top roller 14b be adjusted to the 3rd apart from D3 identical distances.According to front bottom roll
Second distance of between 17a and middle bottom roll 16a first between D1, centre bottom roll 16a and the 3rd bottom roll 15a
Between D2 and the 3rd bottom roll 15a and rear bottom roll 14a the 3rd changes side guides 66 apart from D3.In the diagram, it is illustrated that
Go out side guides 66 to be made up of a plate-shaped member.But, each top roller 14b, 15b, 16b and 17b can also be by by every
Individual Lora is positioned relative to drawing-off bracket 65 come the guiding piece for arranging by the Lora of every specified quantity.
Drawing-off bracket 65 be arranged to centered on fulcrum 67 and turn to each top roller 14b, 15b, 16b and 17b with
Position that authorized pressure is contacted with each bottom roll 14a, 15a, 16a and 17a and each top roller 14b, 15b, 16b and 17b are from each
The detached position of bottom roll 14a, 15a, 16a and 17a.Adjacent pair is weaved what unit 2 each possessed by drawing-off bracket 65
Each top roller 14b, 15b, 16b and 17b of drafting system 6 is supported in the way of it can rotate.
Guide member 71 (omitting in fig. 1 and 2) is configured with to 14 upstream side in rear roller.On guide member 71
It is provided with the through hole 71a passed through for sliver S.The sliver S supplied from bar cylinder (omitting diagram) is directed to and is led by guide member 71
Stretch on the R of path.
The 3rd Lora to 15 and middle Lora to 16 between be configured with the first limiting unit 72 and the second limiting unit 73 (in figure
Omit in 1 and Fig. 2).First limiting unit 72 and the second limiting unit 73 are configured from the downstream in drawing-off direction successively.Also
It is to say, the first limiting unit 72 is configured at the downstream of the second limiting unit 73.First limiting unit 72 is adjacent to the second limiting unit 73
Configuration.The through hole 72a passed through for sliver S is provided with the first limiting unit 72, the width of sliver S is limited to into through hole
The width of 72a.The through hole 73a passed through for sliver S is provided with the second limiting unit 73, the width of sliver S is limited to pass through
The width of perforation 73a.The width of through hole 72a can be than the narrow width of through hole 73a.
First limiting unit 72 is by supporting member (omitting diagram) supporting.Supporting member is located at drawing-off in board short transverse
The downside of path R, and it is installed on the middle Lora housing 63 of bottom roll 16a in the middle of supporting.Thus, maintain 72 phase of the first limiting unit
For position of the middle Lora to 16.
As shown in figure 5, the second limiting unit 73 is supported by supporting member 74.Supporting member 74 is located in board short transverse
The downside of drawing-off path R, and it is installed on the 3rd Lora housing 62 of the 3rd bottom roll 15a of supporting.Thus, maintain the second limiting unit
73 positions relative to the 3rd Lora to 15.
Supporting member 74 has fixed part 74a, support 74b and extension 74c.Fixed part 74a, support 74b and
Extension 74c is for example formed integrally by processing is curved to plate-shaped member.Fixed part 74a is fixed on the 3rd Lora shell
Body 62.Fixed part 74a is for example installed on the 3rd Lora housing 62 by screw.In the downside end of fixed part 74a, tabular is made
Component flexes simultaneously make plate-shaped member overlappingly arrange.Thus, the intensity of fixed part 74a increases.Support 74b supportings second are limited
Portion 73.Extension 74c relative to fixed part 74a it is at a generally normal angle bend, extend with drawing-off path R substantially in parallel.Stretch out
Portion 74c is stretched out from the upper end of fixed part 74a towards the 3rd bottom roll 15a.The front end of extension 74c and the 3rd bottom roll 15a
It is close to.Extension 74c suppresses to attract sliver S by fibrous recovery unit described later 80.
Clearing apparatus 75 (omitting in fig. 1 and 2) is provided with the 3rd bottom roll 15a.Clearing apparatus 75 removes attached
The fibre plate on the outer peripheral face of the 3rd bottom roll 15a.Clearing apparatus 75 is also provided at rear bottom roll 14a.
Relative to the opposition side that each bottom roll 14a, 15a and 16a are each top roller 14b, 15b and 16b, fiber is configured with
Retracting device 80 (omitting in fig. 1 and 2).As shown in fig. 6, fibrous recovery unit 80 possesses main part 81, attracts path 83
And suction port 84.Additionally, as shown in fig. 6, drafting system 6 is relative to vertical direction, rear roller is located at upside and front to 14
Lora to 17 be located at downside in the state of, towards each bottom roll 14a, 15a, 16a and 17b relative to each top roller 14b, 15b,
16b and 17b is located at the direction of downside and obliquely configures.
Attract path 83 via retracting devices such as the aerators in the suction catheter 93 for being arranged at machine frame 20 and the first end-rack 4
Connection.Thus, the fibre plate for producing in drafting system 6 is attracted from suction port 84, and from attracting, path 83 and suction catheter 93 are logical
Cross and reclaimed by retracting device.Additionally, fibrous recovery unit 80 can also be configured to according to second distance D2 and/or the 3rd away from
The position of suction port 84 is adjusted from D3.
Then, illustrate to use the Weaving method of weaving loom 1.First, by operating personnel according to being displayed in display picture 102
Setting screen, the effective fibre length of sliver S is set using enter key 104.The setting of effective fibre length can both be led to
Cross and set batch and be automatically set using enter key 104, it is also possible to by from the multiple candidates being displayed in display picture 102
In selected and set, can be setting by using the numerical value that meets of input of enter key 104.Board control device 100
Effective fibre length is set according to the input information being input into by enter key 104.Cell controller 10 has according to set
Imitate fibre length to control drafting system 6.
Second distance D2 and the 3rd is adjusted in drafting system 6 apart from D3.Specifically, so that second distance D2 and the 3rd
Become the mode of distance corresponding with the effective fibre length set in board control device 100 apart from D3, adjust rear roller
The position of housing 61 and/or the 3rd Lora housing 62, the position of bottom roll 14a and the 3rd bottom roll 15a after decision.When second away from
At the end of the adjustment of D2 and the 3rd distance D3, in weaving unit 2 start weaving action.In the present embodiment, drawing-off
The total stretch ratio of device 6 is 100～300 times.Front roller is 20～60 times to the draw ratio between 16 to 17 and middle Lora.In
Between Lora to 16 and the 3rd Lora be 1～5 times to the draw ratio between 15.3rd Lora is to 15 and rear roller to leading between 14
Stretch than for 2～4 times.The weaving speed of weaving loom 1 is, for example, 150～600m/ minutes.
When weaving action starts, sliver S by the drafting system 6 after adjusted as described above and it is drafted, and to air
Textile apparatus 7 are conveyed.Air textile apparatus 7 are by air and fiber bundle F is twisted by swirling flow and generate yarns Y.By sky
The yarns Y that gas textile apparatus 7 are generated is wound into package P by coiler device 13.
As described above, in the drafting system 6 of the weaving loom 1 of present embodiment, first is set as more than 50mm apart from D1
And the scope of below 65mm.3rd Lora housing 62 makes the 3rd bottom roll 15a be located at following scope, i.e. second distance D2 becomes
The scope of more than 35mm and below 65mm.Thus, in drafting system 6, can be by middle bottom roll 16a and the 3rd bottom roll
15a is configured to suitable second distance D2 corresponding with effective fibre length, bad etc. therefore, it is possible to suppress to occur drawing-off.Cause
And, the various sliver S that drafting system 6 can be different to effective fibre length carry out drawing-off.Specifically, in a drafting system
In 6, such as by the position of the 3rd bottom roll 15a of adjustment, can be the sliver S and effective fiber of 38mm to effective fibre length
Length carries out drawing-off for sliver S both different sliver S of 51mm.In other words, can be without being set independently for having
Effect fibre length for 38mm fibre bundle carry out drawing-off special drafting system and for effective fibre length for 51mm fibre
The special drafting system of dimension Shu Jinhang drawing-offs.
In the present embodiment, front roller housing 64 and middle Lora housing 63 are made under front bottom roll 17a and centre respectively
Lora 16a is fixed relative to the position of drawing-off path R.First sets in more than 55mm and in the scope of below 62mm apart from D1,
Second distance D2 is adjusted in more than 38mm and in the scope of below 43mm.Thus, in drafting system 6, do not changing front roller
In the case of the position of housing 64 and middle Lora housing 63, the position of the 3rd Lora housing 62 is adjusted within the above range.
That is, in drafting system 6, make first to fix apart from D1, and according to effective fibre length adjusting second distance D2.
First is set as to carry out chopped fiber and long fibre both sides the distance of drawing-off apart from D1.Specifically, first
It is set as carrying out 2 inches of long fibre the distance of drawing-off apart from D1.The above range of drawing-off is carried out in the long fibre to 2 inches
First in D1, in addition to 2 inches of long fibre, additionally it is possible to tackle the drawing-off of 1.5 inches of chopped fiber.So, i.e.,
The distance of the long fibre for making 2 inches are fixed as apart from D1 by first is also less for the impact of the drawing-off carried out to chopped fiber.
On the other hand, in the case where being set as carrying out the distance of drawing-off to 1.5 inches of chopped fiber by the first distance, it is impossible to reply length
Fiber, it is impossible to which drawing-off is carried out to chopped fiber and long fibre both sides.As described above, in the drafting system 6 of present embodiment, by
The distance of one long fibre that 2 inches of reply is fixed as apart from D1, the distance for making according to effective fibre length to adjust are second
Apart from D2.Thus, in the present embodiment, a drafting system 6 various sliver S different to effective fibre length can be passed through
Carry out drawing-off.
In conventional drafting system, do not exist different to effective fibre length by same settings drafting system
Various slivers carry out this thought of drawing-off.Therefore, in conventional drafting system, according to a kind of sliver for becoming drawing-off object
Effective fibre length come determine Lora to the distance between, and adjusted to Lora to supporting in the way of becoming the distance
Support etc..
The drafting system 6 of present embodiment is by by a drafting system 6 various fibers different to effective fibre length
Shu Jinhang drawing-offs are used as technical task.In drafting system 6, in order to solve the problem, using following item：By first apart from D1
Being fixed on is carried out in the above range of drawing-off for the sliver S to 2 inches, and according to the effective fibre length of sliver S adjusting
Second distance D2.This item is derived from above-mentioned technical task.Thus, according to there is no the conventional of above-mentioned technical task
Drafting system, it is impossible to obtain the structure of the drafting system 6 of present embodiment.
In the present embodiment, drafting system 6 possesses rear roller housing 61, and the rear roller housing 61 supports rear roller to 14
Rear bottom roll 14a, and by can along drawing-off path R move in the way of arrange.Rear roller housing 61 makes rear bottom roll 14a positions
Become the scope of more than 35mm and below 65mm apart from D3 in following scope, i.e., the 3rd.Thus, in drafting system 6, Neng Goushe
It is set to the corresponding with effective fibre length the suitable 3rd apart from D3, various sliver S that can be different to effective fibre length enter
Row drawing-off.
In the present embodiment, the 3rd adjust in more than 40mm and in the scope of below 43mm apart from D3.Thus, drawing-off dress
Put 6 can pass through be set to the more suitably the 3rd apart from D3 the 3rd Lora to 15 and rear roller to 14, to effective fibre length
Different various sliver S rightly carry out drawing-off.
In the present embodiment, second distance D2 and the 3rd is adjusted in more than 3mm and in the scope of below 5mm apart from the difference of D3
It is whole.Thus, drafting system 6 more rightly can carry out drawing-off to sliver S.
In the present embodiment, drafting system 6 possess be configured in middle Lora to 16 and the 3rd Lora between 15 and right
The first limiting unit 72 and the second limiting unit 73 that the width of sliver S is limited.Thus, expand even from effective fibre length
Distance between big adjacent Lora pair, it is also possible to avoid from the Lora of upstream side to the first limiting unit 72 and the second limiting unit 73
Till distance become it is big the fact that.Therefore, according to drafting system 6, can suppress to be difficult to control to as drafting resistance declines
Fiber be wound in Lora pair.
In the present embodiment, weaving loom 1 possesses enter key 104, and the enter key 104 is accepted by 6 drawing-off of drafting system
Sliver S effective fibre length input.Weaving unit 2 possesses cell controller 10, and the cell controller 10 is according to defeated
The effective fibre length being input in entering key 104 is controlling the action of drafting system 6.Thus, in drafting system 6, can carry out
Action corresponding with the effective fibre length of sliver S.
An embodiment is this concludes the description of, but is not limited to above-mentioned embodiment.
In the above-described embodiment, it is fixed in irremovable mode with front roller housing 64 and middle Lora housing 63
The form of machine frame 20 is illustrated for one.But, front roller housing 64 and middle Lora housing 63 can also be with can
Mobile mode is arranged at machine frame 20.I.e., it is also possible to be configured to adjust front bottom roll 17a's and middle bottom roll 16a
Position.
In the above-described embodiment, can be moved relative to machine frame 20 with the 3rd Lora housing 62 and rear roller housing 61
The form that ground is arranged is illustrated for one.But, the 3rd Lora housing 62 and rear roller housing 61 can also be can not move
Dynamic mode is fixed on machine frame 20.In this case, with the first scope for becoming more than 50mm and below 65mm apart from D1
The mode of distance configures front roller housing 64 and middle Lora housing 63, becomes more than 35mm and below 45mm with second distance D2
Scope distance mode relative to the 3rd Lora housing 62 position adjusting the position of middle Lora housing 63.
In the above-described embodiment, with by making rear roller housing 61 and/or the 3rd Lora housing 62 by operating personnel
Position movement is illustrated for one come the form of the position of bottom roll 14a and the 3rd bottom roll 15a after adjusting.But,
The position of bottom roll 14a and the 3rd bottom roll 15a after automatically can adjusting.Specifically, in weaving loom 1, it is also possible to root
According to the effective fibre length of the sliver S set in board control device 100, such as rear roller housing 61 is made by actuator
Move with the 3rd Lora housing 62.The layout of drafting system 6 is adjusted automatically thereby, it is possible to according to effective fibre length.
In the above-described embodiment, with central shaft 14c, 15c, 16c, 17c and upper sieve of bottom roll 14a, 15a, 16a, 17a
Central shaft 14d, 15d, 16d, 17d of drawing 14b, 15b, 16b, 17b forms respectively on the straight line orthogonal with drawing-off path R
It is illustrated for one.But, bottom roll and top roller can not also be located on above-mentioned straight line.That is, top roller can also phase
For bottom roll is configured on the R of drawing-off path in front and back with staggering.
Air textile apparatus 7, can be with order to prevent the twisted upstream side for being transferred to air textile apparatus 7 of fiber bundle F
Possesses the pin to be held in fiber guide portion and configure in the way of prominent to weaving interior.In addition, air textile apparatus 7 can also
Replace this pin and the twisted air textile apparatus that are transferred to of fibre bundle are prevented by the end of downstream side in fiber guide portion
Upstream side.Also, air textile apparatus 7 can also replace said structure and possess and mutually round about fiber bundle F is twisted
A pair of air nozzles.
Weaving unit 2 in, yarn accumulation device 11 with from air textile apparatus 7 draw yarns Y function, but
Yarns Y can be drawn from air textile apparatus 7 by delivery roller and clamping Lora.By delivery roller and clamping Lora from
In the case that air textile apparatus 7 draw yarns Y, it is also possible to replace yarn accumulation device 11 and arrange by attract air stream come
Absorb lax loose tube or mechanical type compensator of yarns Y etc..
In weaving loom 1, in board short transverse, matched somebody with somebody in the way of downside is wound by the yarns Y supplied in upside
Put each device.But it is also possible to each device be configured by the yarn supplied in downside in the way of upside is wound.
In weaving loom 1, drawing-off is driven by the power (that is, by multiple weaving 2 common lands of unit) from the second end-rack 5
At least one of the bottom roll of device 6 bottom roll and traversing guide 23.But it is also possible to it is independent to press each weaving unit 2
Ground drives each several part (for example, drafting system, textile apparatus, coiler device etc.) of weaving unit 2.
On the direct of travel of yarns Y, tension pick-up 9 can also be configured in the upstream side of yarn monitoring device 8.Also may be used
Respectively to arrange a cell controller 10 to each weaving unit 2.In weaving unit 2, it is also possible to omit Wax applyor 12, open
Force transducer 9 and yarn monitoring device 8.
In fig. 1 it is illustrated that the package P of drum is wound for weaving loom 1, but can also wind the package of cone-shaped.
In the case of the package of cone-shaped, the lax of yarn is produced due to the traversing of yarn, but this relaxes and can be stored by yarn
Device 11 is stayed to absorb.The material and shape of each structure is not limited to above-mentioned material and shape, can adopt various materials and shape
Shape.
At least a portion of the embodiment of above-mentioned record can also arbitrarily be combined.
The drafting system of one mode of the present invention carries out drawing-off to fibre bundle, and the drafting system possesses：Multiple Lora pair,
The plurality of Lora on the drawing-off path of fibre bundle from downstream towards upstream side with first roller to, the second Lora to and
The order of the 3rd Lora pair is configured, and has bottom roll and top roller respectively；First support, first support are supported
First bottom roll of first roller pair；Second support, second support support the second bottom roll of the second Lora pair；And
3rd support, the 3rd support support the 3rd bottom roll of the 3rd Lora pair and can movably set along drawing-off path
Put, the first bottom roll and the second bottom roll so that between the central shaft of the central shaft of the first bottom roll and the second bottom roll first
Distance becomes the mode of the scope of more than 50mm and below 65mm and configures, the 3rd support so that the central shaft of the second bottom roll with
Second distance between the central shaft of the 3rd bottom roll becomes the mode of the scope of more than 35mm and below 65mm by the three times sieve
Pull position.
In the drafting system of a mode of the present invention, the second bottom roll can be configured to and be had with the 3rd bottom roll
The corresponding suitable second distance of effect fibre length, it is bad etc. therefore, it is possible to suppress to occur drawing-off.Thus, drafting system can be right
The different various fibre bundles of effective fibre length carry out drawing-off.
The drafting system of one mode of the present invention carries out drawing-off to fibre bundle, and the drafting system possesses multiple Lora pair,
The plurality of Lora on the drawing-off path of fibre bundle from downstream towards upstream side with first roller to, the second Lora to and
The order of three Lora pair is configured, and has bottom roll and top roller, the first bottom roll of first roller pair and second respectively
Second bottom roll of Lora pair so that the first distance between the central shaft of the central shaft of the first bottom roll and the second bottom roll into
Mode for more than 50mm and the scope of below 65mm is configured, and the 3rd bottom roll of the second bottom roll and the 3rd Lora pair is so that
Second distance between the central shaft of the central shaft of two bottom rolls and the 3rd bottom roll becomes the model of more than 35mm and below 45mm
The mode enclosed is configured.
In the drafting system of a mode of the present invention, the second bottom roll can be configured to and be had with the 3rd bottom roll
The corresponding suitable second distance of effect fibre length, it is bad etc. therefore, it is possible to suppress to occur drawing-off.Thus, drafting system can be right
The different various fibre bundles of effective fibre length carry out drawing-off.
Claims (11)
1. a kind of drafting system, the fibre bundle to supplying to air textile apparatus carry out drawing-off, and the air textile apparatus are to described
Fibre bundle is twisted and generates yarn, and the drafting system is characterised by possessing：
Multiple Lora pair, the plurality of Lora on the drawing-off path of the fibre bundle from downstream towards upstream side with first sieve
Draw to, the second Lora to and the order of the 3rd Lora pair configure, and there is bottom roll and top roller respectively；
First support, first support support the first bottom roll of the first roller pair；
Second support, second support support the second bottom roll of second Lora pair；And
3rd support, the 3rd support support the 3rd bottom roll of the 3rd Lora pair, and can be along the drawing-off
Path is movably arranged,
First bottom roll and second bottom roll are so that the central shaft of first bottom roll and second bottom roll
Central shaft between the mode of the first distance scope for becoming more than 50mm and below 65mm configure,
3rd support is so that between the central shaft of the central shaft of second bottom roll and the 3rd bottom roll
The mode of the second distance scope that becomes more than 35mm and below 65mm move along the drawing-off path and by under the described 3rd
Lora fetch bit.
2. drafting system according to claim 1, it is characterised in that
Position of first support by first bottom roll relative to the drawing-off path is fixed,
Position of second support by second bottom roll relative to the drawing-off path is fixed,
First distance is the scope of more than 55mm and below 62mm,
The second distance is adjusted in more than 38mm and in the scope of below 43mm.
3. drafting system according to claim 1 and 2, it is characterised in that
Multiple Lora to also having the 4th Lora pair, the 4th Lora to being configured at the upstream side of the 3rd Lora pair,
And with the 4th bottom roll and the 4th top roller,
The drafting system possesses the 4th support, and the 4th support supports the 4th bottom roll, and can be along described
Drawing-off path is movably arranged,
4th support is so that between the central shaft of the central shaft and the 4th bottom roll of the 3rd bottom roll
The 3rd distance become more than 35mm and below 65mm scope mode by the 4th bottom roll fetch bit.
4. drafting system according to claim 3, it is characterised in that
3rd distance is adjusted in more than 40mm and in the scope of below 43mm.
5. the drafting system according to claim 3 or 4, it is characterised in that
The second distance poor is adjusted in more than 3mm and in the scope of below 5mm apart from it with the described 3rd.
6. the drafting system according to any one of Claims 1 to 4, it is characterised in that
Possess the first limiting unit and the second limiting unit, first limiting unit and the second limiting unit are configured on the drawing-off path
Between second Lora pair and the 3rd Lora pair, and limit the width of the fibre bundle.
7. the drafting system according to any one of claim 1～6, it is characterised in that
Draw ratio between the first roller pair and second Lora pair is 20～60 times.
8. the drafting system according to any one of claim 1～7, it is characterised in that
Draw ratio between second Lora pair and the 3rd Lora pair is 1～5 times.
9. a kind of weaving loom, it is characterised in that possess：
Drafting system any one of claim 1～8；
Air textile apparatus, the air textile apparatus are generated to the fibre bundle twisting after the drafting system drawing-off
Yarn；And
Coiler device, the coiler device wind the yarn.
10. weaving loom according to claim 9, it is characterised in that
Possess：
Input unit, the input unit accept the input of the effective fibre length of the fibre bundle by the drafting system drawing-off；
And
Control unit, the control unit control the drafting system according to the effective fibre length being input in the input unit
Action.
A kind of 11. Weaving methods, are the Weaving methods based on weaving loom, and the weaving loom possesses：Drafting system, the drafting system
Drawing-off is carried out to fibre bundle；And air textile apparatus, the air textile apparatus are to the institute after the drafting system drawing-off
State fibre bundle twisting and generate yarn, the Weaving method is characterised by,
The drafting system possesses multiple Lora pair, the plurality of Lora on the drawing-off path of the fibre bundle from downstream court
To the upstream side with first roller to, the second Lora to and the order of the 3rd Lora pair configure, and have respectively bottom roll and
Top roller,
By the central shaft of the central shaft of the first bottom roll of the first roller pair and the second bottom roll of second Lora pair
Between the first distance determine in more than 50mm and in the scope of below 65mm,
In the case where the effective fibre length of the fibre bundle is 38mm, by the central shaft of second bottom roll and institute
Second distance between the central shaft of the 3rd bottom roll for stating the 3rd Lora pair is adjusted in more than 35mm and in the scope of below 45mm
It is whole, and with adjustment after the second distance drawing-off is carried out to the fibre bundle,
The fibre bundle effective fibre length be 51mm in the case of, by the second distance in more than 35mm and 65mm with
Under scope in adjustment, and with adjustment after the second distance drawing-off is carried out to the fibre bundle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015198644A JP2017071870A (en) | 2015-10-06 | 2015-10-06 | Draft device, spinning machine, and spinning method |
| JP2015-198644 | 2015-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106560535A true CN106560535A (en) | 2017-04-12 |
Family
ID=57083208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610855015.5A Pending CN106560535A (en) | 2015-10-06 | 2016-09-27 | Drafting Device, Spinning Machine And Spinning Method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3153613A1 (en) |
| JP (1) | JP2017071870A (en) |
| CN (1) | CN106560535A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018204121A (en) * | 2017-05-30 | 2018-12-27 | 村田機械株式会社 | Roller unit, draft machine and spinning machine |
| CN107675303B (en) * | 2017-11-09 | 2024-04-26 | 广研科技湖北有限公司 | DS curve drafting system of spinning frame |
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| US5022123A (en) * | 1988-09-29 | 1991-06-11 | Murata Kikai Kabushiki Kaisha | Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts |
| DE19537916B4 (en) * | 1995-10-11 | 2007-02-15 | Maschinenfabrik Rieter Ag | Spinning machine with drafting system |
| JPH11100725A (en) | 1997-09-22 | 1999-04-13 | Murata Mach Ltd | Spinning |
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| DE10329835B4 (en) * | 2002-09-13 | 2012-05-31 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a track with a drafting device for Doubling and warping of slivers with an adjustment |
| DE10251084A1 (en) * | 2002-10-28 | 2004-05-06 | Maschinenfabrik Rieter Ag | Fiber drafting station for ring spinning frame, has variable distance settings between feed rollers and drafting rollers set in accordance with fiber length |
| CN103014957A (en) * | 2011-09-20 | 2013-04-03 | 村田机械株式会社 | Yarn pooling device, spinning unit, and spinning machine |
| CN103508268A (en) * | 2012-06-27 | 2014-01-15 | 村田机械株式会社 | Textile machine |
| CN104562318A (en) * | 2013-10-23 | 2015-04-29 | 村田机械株式会社 | Drafting device and spinning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3153613A1 (en) | 2017-04-12 |
| JP2017071870A (en) | 2017-04-13 |
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