CN105603590A - Drafting device and spinning unit - Google Patents

Abstract

A drafting device (6) that drafts a fiber bundle includes plural drafting rollers (14A, 15A, 16A, 17A, 14B, 15B, 16B, 17B) arranged in a direction in which the fiber bundle is conveyed, the drafting rollers (14A, 15A, 16A, 17A, 14B, 15B, 16B, 17B) being arranged as plural roller pairs (14, 15, 16, 17), each roller pair (14, 15, 16, 17) having a top roller (14B, 15B, 16B, 17B) and a bottom roller (14A, 15A, 16A, 17A) opposing the top roller (14B, 15B, 16B, 17B); a supporting member (61; 71) that supports the drafting rollers (14A, 15A, 16A, 17A, 14B, 15B, 16B, 17B); and a resonance preventing structure (77B; 95; 96; 109; 117) that prevents occurrence of resonance between the drafting rollers (14A, 15A, 16A, 17A, 14B, 15B, 16B, 17B) and the supporting member (61; 71) that may be caused by rotation of the drafting rollers (14A, 15A, 16A, 17A, 14B, 15B, 16B, 17B).

Description

Drafting system and weaving unit

Technical field

The present invention relates to drafting system and weaving unit.

Background technology

Be known to by drafting system drawn fiber bundle and in the afterturn of air-flow textile apparatus through drawing-offAnd the fibre bundle obtaining is manufactured weaving unit and the weaving loom of textile yarn. TOHKEMY2011-32618 communique (patent documentation 1) disclose by can with the outer peripheral face of drawing rollersThe cushion body contacting and arrange cleans the drafting system of drawing rollers. In the drawing-off of patent documentation 1In device, by torsion spring, cushion body is pressed on to drawing rollers, prevent thus drawing rollers and linerBody is accompanied by the rotation of drawing rollers and resonates. Consequently suppress because of drawing rollers and cushion bodyThe reduction of the yarn properties resonating and cause.

But, in above-mentioned existing drafting system, from suppress yarn properties reduction viewpoint comeSee room for improvement in addition.

Summary of the invention

The object of the present invention is to provide the reduction that can suppress yarn properties drafting system andWeaving unit.

Drafting system of the present invention is the drafting system that fibre bundle is carried out to drawing-off, and it possesses: multipleDrawing rollers, above-mentioned multiple drawing rollers be formed as respectively by top roller and with top roller arranged oppositeMultiple rollers pair of forming of bottom roll, and arrange along the direction of conveying fiber bundle; Supporting mass,Its counter extensioin roller supports; And draw resonance prevent structure, its prevent drawing rollers withHolding body is accompanied by the rotation of roller and resonates.

In the drafting system of this structure, can prevent from supporting directly or indirectly propping up of drawing rollersHolding body and drawing rollers is accompanied by the rotation of drawing rollers and resonates. Consequently can suppress yarnThe reduction of physical property.

In drafting system of the present invention, supporting mass can be also for rotating by upper roller supportingCradle.

In the drafting system of this structure, can prevent cradle and drawing rollers as supporting massBe accompanied by the rotation of drawing rollers and resonate.

In drafting system of the present invention, also can be configured to: cradle has by plate-like portionPart carries out bending machining and the side that forms, and resonance prevents that structure from being in rib and the first ribAt least one party, wherein, above-mentioned rib is formed at and comprises through Nei region, the position of bending machining, instituteState the first rib by processing and form in side, along intersecting with top roller axialDirection and the direction direction of intersecting of arranging being extended with roller, and along roller the side to arrangementTo arrangement.

In the drafting system of this structure, at least the side of cradle is strengthened by rib, or, pass throughThe first rib that is formed at the side of cradle suppresses cradle to applied vibration by top rollerRocking of direction. Consequently can prevent from being accompanied by as cradle and the drawing rollers of supporting massThe rotation of drawing rollers and resonating.

In drafting system of the present invention, also can be configured to: also possess the first bar-like member, shouldThe first bar-shaped parts carry is in cradle, and by one in top roller and top roller axiallyA supporting in the top roller of the drafting system of upper adjacency is for rotating, and two top rollers configureIn the two ends of the first bar-like member, supporting mass is the first bar-like member, by the first bar-like memberThe size of diameter is formed as more than 8.5% below 11.5% of two distances between top roller, fromPrevent structure and realize resonance.

Consequently can suppress to be accompanied by as the first bar-like member and the drawing rollers of supporting massThe rotation of drawing rollers and resonating.

In drafting system of the present invention, also can be configured to and also possess the second bar-like member, this is years oldTwo bar-like members at two ends by upper roller supporting for rotating, be provided with elastic portion at cradlePart, this elastomeric element press the second bar-like member so that two top rollers press on arranged opposite underRoller, resonance prevents that structure from being the vibration-damped component being disposed between cradle and elastomeric element.

In the drafting system of this structure, by being disposed at the vibration damping between cradle and elastomeric elementRocking that part can suppress to come from the second bar-like member transmission is passed to cradle. Consequently canPrevent from being accompanied by the rotation of drawing rollers and resonating as cradle and the drawing rollers of supporting mass.

In drafting system of the present invention, supporting mass is the suction unit with tube and fixed part,Wherein, above-mentioned tube has the suction port to configure with the opposed mode of drawing rollers, fixed partBe the plate-shaped member for tube being fixed on to cradle, resonance prevents that structure from being by tubuloseThe outer surface of portion is processed and the second rib of forming and by fixed part is processedAnd form the 3rd rib at least one party.

In the drafting system of this structure, at least one party in tube and fixed part is added by secondStrong portion and/or the reinforcement of the 3rd rib, therefore can alleviate tube and fixed part is followedThe rotation of top roller and rocking of causing. Consequently can prevent the suction unit as supporting massBe accompanied by the rotation of drawing rollers with drawing rollers and resonate.

In drafting system of the present invention, the interarea that also can be configured to fixed part with drawing rollersOrientation intersect mode be fixed on cradle.

In the drafting system of this structure, can suppress fixed part to the side that is applied vibration by top rollerTo rock. Consequently can prevent from being accompanied by and leading as the suction unit of supporting mass and drawing rollersStretch the rotation of roller and resonate.

In drafting system of the present invention, also can be configured to supporting mass is to support respectively bottom rollThird leg shape parts carry be can be with respect to clutch shaft bearing and second bearing of board rotation, theOne bearing and the second bearing, in abutting connection with configuration, prevent that in resonance in structure, what the second bearing comprised rollsThe quantity that the quantity of pearl is adjusted into the ball comprising from clutch shaft bearing is different.

In the drafting system of this structure, can prevent from being accompanied by drawing-off sieve as the bearing of supporting massThe rotation of drawing and resonating.

Weaving of the present invention unit possesses: above-mentioned drafting system; Textile apparatus, it is to by drawing-offThe fibre bundle that installs drawing-off and obtain applies afterturn and generates yarn; Coiler device, it is to filling from weavingPutting the yarn of supply reels and forms package; And control part, it is forbidden with in drafting systemDrawing rollers and supporting mass produce resonance speed drive drawing rollers.

In the weaving unit of this structure, forbid with cradle, the first bar-like member, the second legThe rotary speed of other supporting mass resonance such as shape parts, suction unit and bearing drives drawing rollers.Thus, can prevent that supporting mass and drawing rollers are accompanied by the rotation of drawing rollers and resonate.

According to the present invention, can suppress the reduction of yarn properties. In addition said yarn thing here," yarn " of property not only refers to yarn, also comprises the fiber of the pencils such as sliver.

Brief 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 of Fig. 1.

Fig. 3 is the side view of the drafting system of Fig. 2.

Fig. 4 is the side view of the drafting system of Fig. 2.

Fig. 5 is the front view of the suction unit of Fig. 3 and Fig. 4.

Fig. 6 is the stereogram of the cradle of exploded representation drafting system.

Fig. 7 A is the partial enlarged drawing of the cover portion of Fig. 6.

Fig. 7 B is the cutaway view that the VIIB-VIIB line in Fig. 7 A dissects.

Fig. 8 is the stereogram of the front upper roller of presentation graphs 6.

Fig. 9 is the top view of the bottom roll of the drafting system of presentation graphs 2.

Figure 10 is the functional block diagram that represents the function of weaving loom.

Detailed description of the invention

Below, with reference to accompanying drawing, the preferred embodiment of the present invention is at length described. At each figureIn, identical or suitable part is marked to identical Reference numeral, and the repetitive description thereof will be omitted. AttachedThe dimension scale of figure may not be consistent with the dimension scale of explanation.

As shown in Figure 1, weaving loom 1 possesses multiple weavings unit 2, connects yarn chassis 3, first endFramework 5A and the second end frame 5B. Multiple weavings unit 2 is arranged in row. Following sayingIn bright, in the path (Ji Sha road) of moving in yarns Y, a side that generates yarns Y is calledUpstream side, is called downstream by a side of winding yarn Y.

Each weaving unit 2 generates yarns Y and is wound into package P. In certain weaving unit 2In the situation that yarns Y is cut off or yarns Y disconnects because of some reason, connect yarn chassis 3 at thisWeaving unit 2 connects yarn action.

Be accommodated with for producing rotary air stream in each portion of weaving unit 2 at first end framework 5ADeng air supply source and/or attract air stream for producing in each portion of weaving unit 2Attraction source etc.

Be accommodated with the driving for supply with power to each portion of weaving unit 2 at the second end frame 5BMotor etc. Be provided with board control device 55, display part D and input at the second end frame 5BKey K.

Board control device 55 is concentrated and is managed and control each portion of weaving loom 1. ShowThe D of portion can carry out the weaving setting content of unit 2 and/or the related information of state etc.Show. Operating personnel carry out suitable operation with enter key K, can carry out thus weaving singleThe setting operation of unit 2.

As shown in Figure 1 and Figure 2, respectively weave unit 2 on the moving direction of yarns Y, from upperTrip side possesses drafting system 6, air-flow textile apparatus 7, yarn monitoring arrangement 8, tension force sensing successivelyDevice 9, yarn hold and stay device 11, waxing attachment 12 and coiler device 13. More than said apparatusTrip side in board short transverse, be upside mode (, with downstream in board short transverseFor the mode of downside) be directly or indirectly supported on board framework 62.

Cell controller 50 arranges for each in the weaving unit 2 of ormal weight, to weavingThe action of unit 2 is controlled. Cell controller 50 bases are exported from board control device 55Information (signal) is controlled the action of weaving unit 2.

Drafting system 6 carries out drawing-off to sliver (fibre bundle) S. On the moving direction of sliver S,Drafting system 6 from upstream side, have successively rear roller to 14, the 3rd roller to 15, middle sieveDraw to 16 and front roller to 17.

Air-flow textile apparatus 7 flows the fibre bundle to obtaining through drafting system 6 drawing-offs by rotary airF carries out afterturn and generates yarns Y. (but omitting diagram) in more detail, air-flow textile apparatus 7There is weaving chamber, fiber guide portion, the raw nozzle of rotary air miscarriage and hollow guiding axis body. FineThe fiber bundle F that dimension guide portion is supplied with from the drafting system 6 of upstream side to the indoor guiding of weaving. RotationThe path that the nozzle arrangement that produces air stream moves in fiber bundle F around. By flowing from rotary airProduce nozzle ejection air and flow at the indoor generation rotary air of weaving. Will by this rotary air streamThe each fibre end that forms multiple fibers of fiber bundle F overturns and makes it rotation. Hollow guiding axis body willYarns Y is from the indoor exterior guiding to air-flow textile apparatus 7 of weaving.

Yarn monitoring arrangement 8 is disposed at air-flow textile apparatus 7 and yarn and holds and stay between device 11. YarnLine monitoring arrangement 8 is the light by detect the state of yarns Y to mobile yarns Y light irradiationFormula yarn monitoring arrangement. Yarn monitoring arrangement 8 monitors the state of mobile yarns Y,And detect having or not of yarn defect. Yarn monitoring arrangement 8, in the situation that yarn defect being detected, is examined yarn defectSurveying signal sends to cell controller 50. Yarn monitoring arrangement 8 is for example by different the thickness of yarns YForeign matter normal and/or that yarns Y is contained detects as yarn defect. Yarn monitoring arrangement 8 also detectsYarn disconnection etc.

Tension pick-up 9 holds and stays between device 11 at air-flow textile apparatus 7 and yarn, to mobileThe tension force of yarns Y is measured, and tension detection signal is sent to cell controller 50. ?Cell controller 50 is according to the testing result of yarn monitoring arrangement 8 and/or tension pick-up 9Exist in abnormal situation and be judged as, in this weaving unit 2, yarns Y is cut off. Concrete andSpeech, stops the supply of air to air-flow textile apparatus 7, interrupts the generation of yarns Y, cuts thusDisconnected yarns Y. Or, also can carry out cutting continuous strand Y by the cutting knife of separately establishing.

Waxing attachment 12 holds to stay between device 11 and coiler device 13 at yarn waxes to yarns Y.

Yarn holds and stays device 11 to eliminate yarns Y between air-flow textile apparatus 7 and coiler device 13Loosening. Yarn holds and stays device 11 to have from air-flow textile apparatus 7 stably to draw yarns YFunction, the yarn of sending from air-flow textile apparatus 7 when preventing from making to connect yarn chassis 3 and connecing yarn action etc.Line Y is detained and causes the function that yarns Y is lax and prevent from holding and staying device 11 more to lean on than yarnThe variation of the tension force of the yarns Y in downstream is passed to the function of air-flow textile apparatus 7.

Coiler device 13 is wound in yarns Y bobbin B and forms package P. Coiler device 13 toolsThere are package maintaining part 21, winding drum 22 and the guiding piece 23 that traverses.

Package maintaining part 21 supports bobbin B for rotating. Package maintaining part 21 is by fulcrum 24Supporting, for swinging, makes the table of the surface of bobbin B or the surface of package P and winding drum 22Face is with suitable pressure contact. Be arranged at the CD-ROM drive motor (omitting diagram) of the second end frame 5BDrive the winding drum 22 of multiple weavings unit 2 simultaneously. Thus, in each weaving unit 2, energyEnough make bobbin B or package P rotate to coiling direction. The guiding piece 23 that traverses of each weaving unit 2Be arranged at the total axle 25 in multiple weavings unit 2. The CD-ROM drive motor of the second end frame 5B is along coilingThe reciprocal driving shaft 25 of rotating shaft direction of cylinder 22, the guiding piece 23 that traverses thus makes yarns Y phaseBobbin B or package P for rotation traverse with regulation amplitude.

The situation that yarns Y is cut off or yarns Y disconnects because of some reason in certain weaving unit 2Under, connect yarn chassis 3 and move to this weaving unit 2, connect yarn action. Connecing yarn chassis 3 hasSuction pipe 31, connect yarn feeding device 37, suction nozzle 38 and meet yarn chassis control part 3A.

Suction pipe 31 is supported as rotating by fulcrum 31A, catches from air-flow textile apparatus 7Yarns Y also guides to connecing yarn feeding device 37. Suction nozzle 38 is supported as rotating by fulcrum 38A,Catch and guide from the yarns Y of coiler device 13 and to connecing yarn feeding device 37. Connecing yarn feeding device 37 entersThe yarns Y of row guiding each other connect yarn. Connect yarn feeding device 37 and be use compressed-air actuated splicer,Or use the piecer of warp or mechanically connect the knotter etc. of yarns Y. Connect the control of yarn chassisThe 3A of portion processed carries out the various control processing that connect in yarn chassis 3.

Connect yarn chassis 3 connecing yarn when action, make package P to warp around direction rotation (reversion).Now, by cylinder (omit diagram) make package maintaining part 21 with package P away from winding drum22 mode moves, and the reversion roller 36 that connects yarn chassis 3 by being arranged at makes package P reversion.

In further detail above-mentioned drafting system 6 is described. As shown in Figure 3 and 4,Rear roller has across the mobile route R1 moving for sliver S and mutual opposed rear lower sieve 14Draw 14A and rear top roller 14B. The 3rd roller has across mobile route R1 and phase 15Opposed the 3rd bottom roll 15A and the 3rd top roller 15B mutually. Middle roller to 16 have everyMobile route R1 and mutual opposed middle bottom roll 16A and middle top roller 16B. PhaseTo 16 bottom roll 16A, be provided with tengential belt (apronbelt) 18A for middle roller. PhaseTo 16 top roller 16B, be provided with tengential belt 18B for middle roller. Front roller has 17Across mobile route R1 and mutually opposed front bottom roll 17A and front upper roller 17B. MultipleDrawing rollers to 14,15,16,17 limits to supplying with from bar cylinder (omit diagram) and by fibre bundleThe sliver S that guiding piece 65 guides carry out drawing-off limit by its from upstream side downstream side carry.

Bottom roll 14A, 15A, 16A, 17A be supported on respectively rotating shaft 14C, 15C, 16C,17C. Each rotating shaft 14C, 15C, 16C, 17C are supported on board framework 62 via bearing.For example, front bottom roll 17A is supported on board framework 62 via the bearing 117 of Fig. 9. Lower sieveDraw 14A, 15A, 16A, 17A together with rotating shaft 14C, 15C, 16C, 17C respectively byThe CD-ROM drive motor that is arranged at the CD-ROM drive motor of the second end frame 5B or is arranged at each weaving unit 2 drivesMoving rotation. As shown in Figure 9, in the present embodiment, bottom roll 14A, 15A are set up respectivelyDrive in the CD-ROM drive motor (not shown) of each weaving unit 2, bottom roll 16A, 17A respectively byThe CD-ROM drive motor 120A, the 120B that are arranged at the second end frame 5B drive.

As shown in Figure 3 and 4, top roller 14B, 15B, 16B, 17B can rotate respectivelyBe supported on bolster 14D, 15D, 16D, 17D. Bolster 14D, 15D, 16D, 17DBe supported on cradle 61 via roller supporting structure 90,90,90 (with reference to Fig. 6) respectively.Each top roller 14B, 15B, 16B, 17B with each bottom roll 14A, 15A, 16A, 17AThe mode of arranged opposite is installed on cradle 61. Each top roller 14B, 15B, 16B, 17B areContact and the driven voller of driven rotation with each bottom roll 14A, 15A, 16A, 17A.

Cradle 61 can be centered by fulcrum 63 and to each top roller 14B, 15B, 16B, 17BThe position contacting with authorized pressure with each bottom roll 14A, 15A, 16A, 17A (below, alsoBe called " contact position ") (with reference to Fig. 3) and each top roller 14B, 15B, 16B, 17B away fromRotate the position (with reference to Fig. 4) of each bottom roll 14A, 15A, 16A, 17A.

The rotation of cradle 61 is carried out with the handle 64 that is arranged at cradle 61. In closureCradle 61 and in situation in contact position, the hook portion 66 of the bottom front end of handle 64 is blockedClose the fixing roller 67 in board framework 62, keep each top roller 14B, 15B, 16B, 17BCrimped status with each bottom roll 14A, 15A, 16A, 17A.

The drafting system 6 that cradle 61 possessed adjacent a pair of weaving unit 2 separately eachTop roller 14B, 15B, 16B, 17B support as rotating. , cradle 61 is by adjacentThe drafting system 6 that possessed separately of a pair of weaving unit 2 total.

The drafting system 6 of present embodiment possesses suction unit (supporting mass) 71 and winding-up portion 81.The Soft flocks that scatter each top roller 14B, 15B, 16B, 17B suction unit 71 attract.In the present embodiment, the Soft flocks that scatter front upper roller 17B suction unit 71 attract.As shown in Fig. 3～Fig. 5, suction unit 71 has the first attraction carrier pipe (tube) 72 andTwo attract carrier pipe 74.

Be provided with suction port 72A in the end of the first attraction carrier pipe 72. Being attracted mouthful 72A inhalesThe foreign matters such as the Soft flocks that draw are taken out of by the first attraction carrier pipe 72. First attracts carrier pipe 72Be supported on the portion that is fixed 76 of cradle 61 via fixed part (resonance prevents structure) 77. InhaleDraw a mouthful 72A be configured in than front upper roller 17B more downstream and than front upper roller 17B with front lowerContact (bite) the slightly top side's in position of roller 17A position. Suction port 72A is with frontThe opposed mode of top roller 17B configures. Establish end the opposing party of the first attraction carrier pipe 72Be equipped with the first connecting portion 72B.

Fixed part 77 (with reference to Fig. 5) is formed by plate-shaped member. The interarea 77A of fixed part 77 withWith the row of drawing rollers to 14,15,16,17 (following, sometimes also referred to as " drawing rollers ")The mode of column direction orthogonal (intersection) is fixed on cradle 61 (with reference to Fig. 3 and Fig. 4). ToolBody, by inserting fixed part and be fixed on inserting hole 77C and the skin of fixed part 77The first attraction carrier pipe 72 is fixed on the portion of being fixed 76 by the inserting hole (not shown) of circle frame 61.Be formed with the 3rd rib (resonance prevents structure) 77B at the interarea 77A of fixed part 77, shouldThe 3rd rib 77B on the thickness direction of fixed part 77 towards the throughput direction downstream of sliver SSide-prominent. The 3rd rib 77B is by the fixed part of the face extrusion process plate-shaped member from a side77 and form. The thickness of the 3rd rib 77B can be outstanding with through-thickness not other portionsPoint identical, also can be different.

Also can be provided with the second not shown rib at the first attraction carrier pipe 72. Concrete andSpeech, the second rib forms by the outer surface of processing the first attraction carrier pipe 72, is along pipeThe part that direction of principal axis is arranged. The second rib is from the inner side of the first attraction carrier pipe 72 outwardRib side-prominent or that thicken on the thickness direction of the first attraction carrier pipe 72.

Second attracts carrier pipe 74 to be set to be connected with the first attraction carrier pipe 72. Be attractedThe Soft flocks that mouth 72A attracts attract carrier pipe 74 via the first attraction carrier pipe 72 by secondTake out of. Second attracts carrier pipe 74 to be fixed on board framework 62.

Be provided with the second connecting portion 74A in a side's of the second attraction carrier pipe 74 end. Second connectsThe portion 74A of connecing is the first connecting portion that the second attraction carrier pipe 74 and first is attracted to carrier pipe 7272B connects or unconnected part. The in the situation that of at closed cradle 61 and in contact position,The second connecting portion 74A and the first connecting portion 74B butt. The first connecting portion 72B is connected with secondThe 74A of portion butt, thus the first attraction carrier pipe 72 and second attracts carrier pipe 74 to be connected.

Second attracts the opposing party's of carrier pipe 74 end to be connected in main pipe arrangement 75. Main pipe arrangement 75 is joinedThe rear that is placed in weaving unit 2 is the shared attraction carrier pipe in multiple weavings unit 2. Main pipe arrangement75 are connected in the blower fan (attraction source) that is configured in first end framework 5A.

The fiber that is deposited in air-flow textile apparatus 7 is removed by winding-up compressed air by winding-up portion 81Bits. In the weaving unit 2 of present embodiment, cut in the disconnection of generation yarn and/or yarnIn disconnected situation, the hollow guiding axis body of air-flow textile apparatus 7 is away from (leaving) fiber guide portion.Now, winding-up portion 81 sprays to air-flow textile apparatus 7 (being particularly the entrance of fiber guide portion)Blowing compressed air is removed Soft flocks. Winding-up portion 81 possesses winding-up mouthful 82A, the first injection tube 82And second injection tube 83.

Be provided with winding-up mouthful 82A in a side's of the first injection tube 82 end. Winding-up portion 81 viaThe first injection tube 82 is carried compressed air to winding-up mouthful 82A, presses to 7 winding-ups of air-flow textile apparatusContracting air. The first injection tube 82 is positioned with respect to the first attraction carrier pipe 72. The first injection tubeThe opposing party of 82 end is connected in the first connecting portion 72B.

The second injection tube 83 is set to be connected with the first injection tube 82. Via the second injection tube83 carry compressed air to the first injection tube 82 and winding-up mouthful 82A. The second injection tube 83 is solidDue to board framework 62. One side's of the second injection tube 83 end is connected in the second connecting portion 74A.The opposing party's of the second injection tube 83 end is connected in air supply source (not via valve (not shown)Diagram).

As shown in Figure 6, the cradle 61 of the drafting system 6 of present embodiment has roller supportingTectosome 90,90,90 and cover portion 91. Cover portion 91 is formed as down by metallic plate (plate-shaped member)The hollow box shape of Fang Kaifang. Cover portion 91 has installation portion 92,92.

Installation portion the 92, the 92nd, the bottom, side of cover portion 91 bending and the portion that forms squarely laterallyPoint, for cover portion 91 is interfixed and is arranged with roller supporting structure 90,90,90. LogicalCross the inserting hole 90A, the 90A that fixed part 92B are inserted and is fixed on roller supporting structure 90,The inserting hole 92A of 90A and installation portion 92,92 by cover portion 91 and roller supporting structure 90,90,90 interfix.

As shown in Figure 7 A, be formed with triangle rib (resonance prevents structure) in the side 94 of cover portion 9195 and multiple the first rib (resonance prevent structure) 96. Side 94 be along with top roller 14B,The direction of 15B, 16B, 17B axially orthogonal (intersection) and the face that configures. Side 94 is passed throughBending machining plate-shaped member and forming. , by between bending machining installation portion 92 and side 94And form side 94 between side 94 and upper surface 93.

Triangle rib 95 is the ribs that are formed at the bending machining portion between installation portion 92 and side 94.As shown in Figure 7 B, triangle rib 95 will tilt to be connected between installation portion 92 and side 94. Triangle rib95 are formed on the overlooking of observing from the upper surface of cover portion 91 and supporting front upper roller 17B (referenceThe position of the location overlap of bolster 17D Fig. 6).

As shown in Figure 7 A, each the first rib 96 is with plate-shaped member thick to forming side 94Spend direction, be formed at side to the outstanding mode of direction towards the outside of the inside from cover portion 9194. Multiple the first ribs 96 edges are axially orthogonal with top roller 14B, 15B, 16B, 17B'sThe direction of (intersection) and extending with the direction of the orientation of drawing rollers orthogonal (intersection), andAnd the orientation along drawing rollers is arranged. Each the first rib 96 is by from as plate-like portionThe extrusion process side, the back side 94 of the side 94 of part and form rib. Each the first rib 96Thickness can with not on thickness direction outstanding other parts identical, also can be different. OneThe first rib 96 is formed on the overlooking of observing from the upper surface of cover portion 91 and supporting front upper rollerThe position of the location overlap of the bolster 17D of 17B. The first rib 96 also can be by localThicken plate-shaped member and form.

The internal configurations of cover portion 91 have multiple for by each top roller 14B, 15B, 16B,17B and each bottom roll 14A, 15A, 16A, 17A clamp the pressing mechanism 100 of sliver S.Describe as an example of the pressing mechanism 100 that arranges with respect to front upper roller 17B example. As Fig. 8Shown in, pressing mechanism 100 have spring keep framework 101, by pressing spring (elastomeric element) 102,Pressing force is adjusted cam 103 and pressing component 104.

It is to surround the sheet metal part forming by the mode of pressing spring 102 that spring keeps framework 101Part, is installed on roller supporting structure 90. Spring keeps framework 101 to be formed as hollow form, at itInner space disposes by pressing spring 102, pressing force and adjusts cam 103 and pressing component 104.

Are helical springs by pressing spring 102, are installed on spring with compressed state and keep framework 101Inner side. Pressing force adjustment cam 103 is installed by one end of pressing spring 102, pressing bulletThe other end of spring 102 is provided with pressing component 104. Pressing force is adjusted cam 103 and is had operating parts105, can make pressing force adjust cam 103 by rotation operating parts 105 flexible in the axial direction.Operating parts 105 keeps the through hole 101A of framework 101 outstanding to outside from being formed at spring.

Pressing component 104 has the discoideus receiving plate 107 stopping by the end of pressing spring 102Pushpin 110 with pole shape. Be formed with for inserting pushpin at roller supporting structure 90110 through hole 90B. Pushpin 110 is inserted through hole 90B from top, and supports to rollerThe inside of tectosome 90 is outstanding. Through hole 90B supports pushpin 110 into can be along length sideMobile to sliding.

Insert the end (lower end) of pushpin 110 and propping up of front upper roller 17B of through hole 90BHold the axial central portion contact of axle (the first bar-like member, the second bar-like member) 17D, by pressingThe elastic force of pressing spring 102 is pressed bolster 17D downwards. Thus, can supporting will be supported onFront upper roller 17B, the 17B at the two ends of axle 17D press on respectively opposed front bottom roll 17A, 17A。

The outside of adjusting the operating parts 105 of cam 103 at pressing force is through with lock washer (vibration dampingPart) 109. As shown in Figure 6, be accommodated at pressing mechanism 100 under the state of cover portion 91, lockingPacking ring 109 is kept the upper surface 101B of framework 101 and the upper surface 93 of cover portion 91 to press from both sides by springHold. Also can replace lock washer 109 and configuration air vibration-damped component or liquid-springing part.

With respect to each of rear top roller 14B, the 3rd top roller 15B and middle top roller 16BThe structure of the pressing mechanism 100 in the structure of individual pressing mechanism 100 and above-mentioned front upper roller 17BIdentical, therefore omit detailed explanation. Support each top roller 14B, 15B, 16B, 17BHold axle 14D, 15D, 16D, 17D be pressed spring 102 application of forces and press each bottom roll 14A,15A, 16A, 17A. Thus, can pass through each top roller 14B, 15B, 16B, 17B and eachBottom roll 14A, 15A, 16A, 17A clamp sliver S.

As shown in Figure 8, the diameter phi of the bolster 17D of supporting front upper roller 17B is preferably formedFor be disposed at distance P 1 between the front upper roller 17B at two ends of bolster 17D 8.5% withUpper below 11.5%, be more preferably formed as more than 9.0% below 10.0%. Be disposed at bolster 17DFront upper roller 17B, the 17B at two ends between distance P 1 refer to front upper roller 17B, 17BCentral part is the distance on the axial length of bolster 17D each other. Bolster 14D～16D's is straightFootpath also can be formed as identical with bolster 17D.

As shown in Figure 9, rotating shaft 17C (the third leg shape parts) warp of bottom roll 17A before supportingBe supported on board framework 62 by bearing 117. Rotating shaft 17C is linked to and is configured in the second end frameThe CD-ROM drive motor 120B of frame 5B, by CD-ROM drive motor, 120B drives. Bearing 117 is fixed on machineThe portion that is fixed 118 of table frame 62 is fixing. Thus, be supported to can be relative for rotating shaft 17CIn the portion of being fixed 118, board framework 62 rotates.

In the weaving loom 1 of present embodiment, two bearing 117 (for example, bearing (the first axlesHold) 117A and bearing (the second bearing) 117B) mutually adjacent in the axial direction of rotating shaft 17CGround connection configuration. The ball that the quantity of the ball that bearing 117A comprises and bearing 117B compriseQuantity difference.

Next, with reference to Figure 10, the characteristic of one of present embodiment is filled board controlThe driving control of putting 55 counter extensioin rollers describes. Board control device 55 is by CPU(CentralProcessingUnit: central processing unit), ROM (ReadOnlyMemory:Read-only storage) and RAM (RandomAccessMemory: random access memory)Etc. formation. As shown in figure 10, as the control processing of drawing rollers of carrying out drafting system 6Schematically part, board control device 55 possesses prohibition unit (control part) 55A and storage part 55B.

Board control device 55 is accepted the rotation speed of drawing rollers from operator via enter key KThe setting of degree. Storage part 55B counter extensioin roller and miscellaneous part (for example, cradle 61, revolveRotating shaft 14C, 15C, 16C, 17C, suction unit 71 and bearing 117 etc.) the leading of when resonanceStretching the rotary speed of the time per unit of roller stores. For example, drawing rollers by with433m/min produces in the situation of resonance of drawing rollers and miscellaneous part while driving rotation, canMake storage part 55B store the rotary speed of the scope of the positive and negative α of 433m/min.

If input desirable rotary speed via enter key K from operator, prohibition unit 55AValue to input is confirmed with whether the value that is stored in storage part 55B is consistent. What confirm to inputIn the value situation consistent with the value that is stored in storage part 55B, prohibition unit 55A controls display part D,Demonstration cannot be set this purport of rotary speed of input. Confirming the value of input and be stored in storageIn the inconsistent situation of value of the 55B of portion, prohibition unit 55A controls CD-ROM drive motor and (for example, drivesMotor 120A, 120B) rotary speed of the value that makes it to input drives.

The action effect of the drafting system 6 to above-mentioned embodiment describes. In present embodimentDrafting system 6 in, can prevent from directly or indirectly supporting supporting mass and drawing-off sieve of drawing rollersDraw and be accompanied by the rotation of drawing rollers and resonate. Consequently can suppress the reduction of yarn properties.

In the above-described embodiment, as shown in Figure 7 A, the side 94 of cradle 61 is by triangle rib95 strengthen, therefore can alleviate cradle 61 be accompanied by top roller 14B, 15B, 16B andThe rotation of 17B and rocking of causing. Consequently can prevent the cradle 61 as supporting massBe accompanied by the rotation of drawing rollers with drawing rollers and resonate.

In the above-described embodiment, as shown in Figure 7 A, be formed with in the side 94 of cradle 61Multiple the first ribs 96. Multiple the first ribs 96 along with by top roller 14B, 15B,16B, 17B apply the direction of the direction intersection of vibration and extend. Multiple the first ribs 96 along withThe direction that is applied vibration by top roller 14B, 15B, 16B, 17B is arranged. Thus, can suppressCradle 61 is to the rocking of direction that is applied vibration by top roller 14B, 15B, 16B, 17B.Consequently can prevent from being accompanied by drawing rollers as the cradle 61 of supporting mass with drawing rollersRotation and resonate.

In the above-described embodiment, as shown in Figure 8, the diameter phi of bolster 17D is propped up for being disposed atHold more than 8.5% 11.5 of distance P 1 between front upper roller 17B, the 17B at two ends of axle 17DBelow %. Consequently can prevent as bolster 17D and the drawing rollers of supporting mass (front upperRoller 17B) be accompanied by the rotation of drawing rollers and resonate.

In the above-described embodiment, as shown in Figure 8, by being disposed at cradle 61 and pressing bulletLock washer 109 between spring 102, can suppress to transmit from bolster 17D the transmission of rocking comingTo cradle 61. Consequently can prevent cradle 61 and drawing rollers companion as supporting massResonate along with the rotation of drawing rollers.

In the above-described embodiment, as shown in Figure 5, fixed part 77 is added by the 3rd rib 77BTherefore can alleviate fixed part 77 and be accompanied by revolving of top roller 14B, 15B, 16B, 17B by force,Then rocking of causing. Consequently can prevent suction unit 71 and drawing-off sieve as supporting massDraw the rotation that is accompanied by drawing rollers accompany and resonate.

In the above-described embodiment, as shown in Figure 5, be formed with at the interarea 77A of fixed part 77To the 3rd outstanding rib of direction that is applied vibration by top roller 14B, 15B, 16B, 17B77B. Thus, can suppress fixed part 77 to being applied by top roller 14B, 15B, 16B, 17BRocking of the direction of vibration. Consequently can prevent suction unit 71 and drawing-off as supporting massRoller is accompanied by the rotation of drawing rollers and resonates.

In the above-described embodiment, as shown in Figure 9, bearing 117A and 117B be in abutting connection with configuration, axleHold the ball that quantity that 117A, 117B possess ball is adjusted to mutually different quantity. Thus,Can prevent from being accompanied by the rotation of drawing rollers and being total to drawing rollers as the bearing 117 of supporting massShake.

In the above-described embodiment, be set as with cradle 61, bolster 14D, 15D, 16D,At least one party of the supporting masses such as 17D, suction unit 71 and bearing 117 and drawing rollers resonanceRotary speed drives the situation of drawing rollers to be prohibited. Thus, can prevent cradle 61, supportingThe supporting masses such as axle 14D, 15D, 16D, 17D, suction unit 71 and bearing 117 at least certainOne side and drawing rollers are accompanied by the rotation of drawing rollers and resonate.

Above, one embodiment of the present invention is illustrated, but the present invention is not limited toState embodiment.

In the above-described embodiment, counter extensioin device 6 possesses cradle 61, props up as supporting massHolding the example of axle 14D, 15D, 16D, 17D, suction unit 71 and bearing 117 saysBright. Prevent the example of structure as resonance, to being arranged at the side 94 of cover portion 91 of cradle 61Triangle rib 95 and the first rib 96, adjusted bolster 14D, 15D, the 16D of diameterAnd 17D, dispose lock washer 109 pressing mechanism 100, have and be formed with the 3rd ribThe mutual difference of quantity of the suction unit 71 of the fixed part 77 of 77B and ball and the bearing of adjacency117A, 117B are illustrated. Drafting system of the present invention can not possess above-mentioned whole knotStructure, also can possess appropriately combined structure.

In the above-described embodiment, to board control device 55 by drawing rollers (drawing rollers pair14,15,16,17) rotary speed control produces for being set as drawing rollers and supporting massThe example of the rotary speed of resonance is illustrated. But weaving unit also can not have this meritEnergy.

In the above-described embodiment, the example cover portion 91 of cradle 61 being formed by metallic plate entersGone explanation, but cover portion 91 also can be formed as foundry goods. In this case, the weight of cover portion 91Increase, therefore the sense of stability of cradle 61 increases. Consequently can prevent as supporting massCradle 61 is accompanied by the rotation of drawing rollers and resonates with drawing rollers.

In the above-described embodiment, enter being provided with 4 pairs of right examples of roller as drawing rollersGo explanation, but also can be provided with the multipair roller pair beyond 4 pairs of 3 pairs or 5 equities.

In the above-described embodiment, board control device 55 is implemented to drawing rollers (drawing rollersTo 14,15,16,17) the example of driving control be illustrated, but also can be configured to pinTo each cell controller 50 or weaving unit 2 and arrange controller implement this driving control.

Air-flow textile apparatus is passed to the upstream of air-flow textile apparatus in order to prevent the afterturn of fibre bundleSide, can also possess and be held in fiber guide portion and be configured to the indoor outstanding knitting needle of weaving. GasStream textile apparatus also can form the above-mentioned knitting needle of replacement and pass through the end of downstream side of fiber guide portionPrevent that the afterturn of fibre bundle is passed to the upstream side of air-flow textile apparatus. And, air-flow weaving dressPut also can be configured to and replace said structure and there is a pair of spray of mutually carrying out round about afterturnGas jets.

In weaving unit 2, yarn holds and stays device 11 to have from air-flow textile apparatus 7 to draw yarnThe function of Y, but also can draw yarn from air-flow textile apparatus 7 by delivery roller and clamping rollerLine. In the situation that drawing yarns Y by delivery roller and clamping roller from air-flow textile apparatus 7,Also can replace yarn to hold and stay device 11, and the pine by attracting absorbed yarns Y is setLax pipe or the mechanical type compensation arrangement etc. of speeding.

In weaving loom 1, at least one of the bottom roll of drafting system 6 and the guiding piece 23 that traversesDriven by the power from the second end frame 5B (, multiple weavings unit 2 shares). But,Each portion (such as drafting system, textile apparatus, coiler device etc.) of weaving unit 2 also can pinTo each weaving unit 2 and by drive.

On the moving direction of yarns Y, tension pick-up 9 can be disposed at yarn monitoring arrangement 8Upstream side. Cell controller 50 also can arrange for each weaving unit 2. ?In weaving unit 2, waxing attachment 12, tension pick-up 9 and yarn monitoring arrangement 8 also canOmit.

In Fig. 1, the mode that winds the package P of barrel shape with weaving loom 1 illustrates, butAlso can wind the package of conical in shape. In the case of the package of conical in shape, can be because of yarnTraverse and produce the loosening of yarn, but this looseningly can be held and stay device 11 to absorb by yarn.

In the above-described embodiment, the example that possesses drafting system 6 at weaving loom 1 is saidBright, but also can possess drafting system 6 at other fibre machineries such as ring throstle or drawing frame.

Claims (9)

1. a drafting system, carries out drawing-off to fibre bundle, it is characterized in that possessing:

Multiple drawing rollers, described multiple drawing rollers be formed as respectively by top roller and with described onMultiple rollers pair that the bottom roll of roller arranged opposite forms, and described multiple roller is carried edgeThe direction of described fibre bundle is arranged;

Supporting mass, it supports described drawing rollers; And

Resonance prevents structure, and it prevents that described drawing rollers and described supporting mass are accompanied by described drawing-offThe rotation of roller and resonating.

2. drafting system according to claim 1, is characterized in that,

Described supporting mass is to be the cradle that can rotate by described upper roller supporting.

3. drafting system according to claim 2, is characterized in that,

Described cradle has by plate-shaped member is carried out to the side that bending machining forms,

Described resonance prevents that structure from being at least one party in rib and the first rib, wherein, described inRib is formed at and comprises that, through Nei region, the position of described bending machining, described the first rib passes throughProcess and form in described side, along with the axial direction of intersecting of described top roller and withDescribed roller to arrange direction intersect direction extend, and along described roller to arrange directionArrange.

4. according to the drafting system described in claim 2 or 3, it is characterized in that,

Also possess the first bar-like member, this first bar-shaped parts carry is in described cradle, and generalIn described top roller one and in the axial direction of described top roller upper sieve of the drafting system of adjacencyA supporting in drawing be for rotating,

Described two top rollers are disposed at the two ends of described the first bar-like member,

Described supporting mass is described the first bar-like member,

Be formed as between described two top rollers by the diameter dimension of described the first bar-like memberMore than 8.5% below 11.5% of distance, prevents structure thereby realize described resonance.

5. according to the drafting system described in any one in claim 2～4, it is characterized in that,

Also possess the second bar-like member, this second bar-like member at two ends by described upper roller supporting isCan rotate,

Be provided with elastomeric element at described cradle, this elastomeric element is pressed described the second bar-like memberSo that two described top rollers press on the described bottom roll of arranged opposite,

Described resonance prevents that structure from being to be disposed at subtracting between described cradle and described elastomeric elementPart shakes.

6. according to the drafting system described in any one in claim 2～5, it is characterized in that,

Described supporting mass is the suction unit with tube and fixed part, wherein, and described tube toolHave the suction port to configure with the opposed mode of described drawing rollers, described plate-shaped member is for willDescribed tube is fixed on the fixed part of described cradle,

Described resonance prevents that structure from being by processing and form at the outer surface of described tubeThe second rib and by described fixed part being processed in the 3rd rib formingAt least one party.

7. drafting system according to claim 6, is characterized in that,

The interarea of described fixed part is fixed in the mode of intersecting with the orientation of described drawing rollersIn described cradle.

8. according to the drafting system described in any one in claim 1～7, it is characterized in that,

Described supporting mass is to be can by the third leg shape parts carry of the described bottom roll of supporting respectivelyWith respect to clutch shaft bearing and second bearing of board rotation,

Described clutch shaft bearing and described the second bearing be in abutting connection with configuration,

Prevent that in described resonance in structure, the quantity of the ball that described the second bearing comprises is adjusted intoThe quantity of the ball comprising from described clutch shaft bearing is different.

9. a weaving unit, is characterized in that possessing:

Drafting system in claim 1～8 described in any one;

Textile apparatus, it applies afterturn to the described fibre bundle obtaining by described drafting system drawing-offAnd generation yarn;

Coiler device, it is reeled and forms volume the described yarn of supplying with from described textile apparatusDress; And

Control part, its speed of forbidding the resonance that produces described drawing rollers and described supporting mass is drivenMoving described drawing rollers.