CN106048789A - Draft device and spinning machine - Google Patents

Abstract

The invention relates to a draft device capable of preventing fiber pieces from being accumulated between a top roller and a cleaning module, and a spinning machine. The draft device includes a plurality of pairs of rollers (14, 15, 16, and 17), and a cleaning module (64) arranged to make contact with and separate from a middle top roller (16b). The cleaning module (64) is separated from the middle top roller (16b) within a first angle (beta) of 50 degrees or more and 300 degrees or less around the rotation shaft of the middle top roller (16b), and is brought into contact with the middle top roller (16b) within a second angle obtained by subtracting the first angle from 360 degrees around the rotation shaft of the middle top roller (16b).

Description

Drafting system and spinning machine

Technical field

The present invention relates to drafting system and spinning machine.

Background technology

Known a kind of drafting system, possesses: be respectively provided with multiple rollers pair of lower roll and upper roller；If For the multiple cleaning modules that can contact relative to each of multiple upper rollers and separate；And it is right Multiple cams that the time of contact of each of multiple cleaning modules and separation moment are controlled (for example, referring to Japanese Patent Publication 7-31858 publication).According to such drafting system, energy Enough will attach to fibre plate (the so-called flyings of roller.Wherein, including cotton, other natural fibre The fibre plate of dimension or synthetic fibers etc..Hereinafter, identical.) remove.

In drafting system as described above, whole cams are configured to, during the rotary shaft of above roller is The heart and such as make cleaning module separate from upper roller with the scope of the angle less than 10 °.Therefore, in rotation In the upper roller that rotary speed is high, the time that cleaning module separates from upper roller shortens, thus has fibre plate to exist The worry piled up between upper roller and cleaning module.

Summary of the invention

Therefore, it is an object of the invention to provide can suppress fibre plate upper roller and cleaning module it Between the drafting system piled up and possess the spinning machine of such drafting system.

The drafting system of the present invention possesses: multiple rollers pair, is respectively provided with lower roll every a pair in them With upper roller；Cleaning module, it is set to can be relative to roller contact and separation at least one；With And control parts, it is located at the rotary shaft of roller at least one, and the time of contact to cleaning module And separate the moment be controlled, control parts centered by rotary shaft with more than 50 ° 300 ° with Under the scope of the first angle make cleaning module separate from upper roller, and centered by rotary shaft with from 360 ° deduct the scope of the second angle obtained by the first angle and make cleaning module contact with upper roller.

In this drafting system, with more than 50 ° centered by the rotary shaft of the above roller of cleaning module The scope of first angle of less than 300 ° separates from upper roller.Therefore, even if the rotary speed of upper roller is high, Can also ensure that the time that cleaning module separates from upper roller such that it is able to make fibre plate from upper roller with clear Fall between clean module.Thus, according to this drafting system, it is possible to suppress fibre plate at upper roller with clear Pile up between clean module.Additionally, aforesaid control parts can be located at the rotation of the upper roller with tengential belt Rotating shaft.

In the drafting system of the present invention, it is preferable that in the situation that the direction extended from rotary shaft is observed Under, control the cam that parts are the shapes with sector.Thus, even if the rotary speed of upper roller is high, It also is able to reliably ensure that the time that cleaning module separates from upper roller.

The drafting system of the present invention possesses: multiple rollers pair, is respectively provided with lower roll every a pair in them And upper roller；Multiple cleaning modules, they be set to can relative at least two roller each Contact and separation；And multiple control parts, they respectively at least two roller each Rotary shaft arrange, to the time of contact of each of multiple cleaning modules and separate the moment and carry out Control, drawing-off direction is positioned at the control parts of side, most upstream centered by rotary shaft with the 3rd The scope of angle makes cleaning module separate from upper roller, is positioned at the control of most downstream side on drawing-off direction Parts make cleaning module with the scope of the fourth angle bigger than third angle centered by rotary shaft Separate from upper roller.

In this drafting system, in the downstream that rotary speed is higher than the rotary speed of the upper roller of upstream side In the upper roller of side, it is also possible to guarantee the time that cleaning module separates from upper roller such that it is able to make fiber Sheet falls between upper roller and cleaning module.Thus, according to this drafting system, it is possible to suppression fiber Sheet is piled up between upper roller and cleaning module.Preferably, fourth angle is from centered by rotary shaft 50 ° The scope of above less than 300 ° selects.Third angle can also be from more than centered by rotary shaft 50 ° The scope of less than 300 ° selects.

In the drafting system of the present invention, it is preferable that in the situation that the direction extended from rotary shaft is observed Under, drawing-off direction is positioned at the control parts of side, most upstream and is positioned on drawing-off direction under The control parts of trip side are the cams with mutually different shape.Thereby, it is possible to reliably ensure that The time that cleaning module separates from upper roller.Additionally, above-mentioned is positioned at most downstream side on drawing-off direction Control parts and can be located at the rotary shaft of the upper roller with tengential belt.

In the drafting system of the present invention, it is preferable that controlling parts is to have to make cleaning module from upper roller The cam of the chain of command separated, chain of command compares in the case of the direction observation extended from rotary shaft The outer peripheral face of the roller main body of roller is in the outer part.Thereby, it is possible to make cleaning module largely from upper roller Separate, even if thus such as fibre plate becomes block, it is also possible to make such fibre plate from upper roller with clear Fall between clean module.

In the drafting system of the present invention, it is preferable that cleaning module is set to can be relative at least two Upper roller each contact and separate, control parts be located at least two roller each rotation Rotating shaft, the control parts being positioned at most downstream side on drawing-off direction are threadably secured and are installed on rotation Rotating shaft, the control parts being positioned at side, most upstream on drawing-off direction are installed on rotation by press-in Axle.By using pressure in controlling the installation of upper roller of the parts upstream side low relative to rotary speed Enter, it is possible to reduce parts number of packages.By controlling the parts downstream high relative to rotary speed The installation of upper roller uses and is screwed, it is possible to control parts are reliably mounted on upper roller.

The drafting system of the present invention is preferably, and is also equipped with the first supporting supporting cleaning module Portion, cleaning module has the cleaning pad being made up of rubber or resin, and the first support is by cleaning pad Cantilever support is for rotating.Can be relative to upper thereby, it is possible to utilize easy structure to realize Roller contact and the cleaning pad separated.

The drafting system of the present invention is preferably configured as, and is also equipped with the second supporting supporting upper roller Portion, the first support is can be to the upstream side in drawing-off direction and downstream by the second support supporting Adjustment position, side.Thus, in the case of the distance between the most adjacent upper roller is changed, Cleaning module can be made to move together with upper roller.

The drafting system of the present invention is preferably applied to following structure, as above-mentioned multiple rollers pair, upper State on drawing-off direction from upstream side start to have successively back roller to, the 3rd roller to, intermediate calender rolls to and Preliminary roller pair, relative to above-mentioned back roller to, the 3rd roller to and respective upper roller every of intermediate calender rolls pair One arranges above-mentioned cleaning module, be provided with above-mentioned cleaning module above-mentioned on the rotation of each of roller Rotating shaft is provided with above-mentioned control parts.

The spinning machine of the present invention possesses: above-mentioned drafting system；To the fibre bundle by drafting system drawing-off Twist and generate the air spinning device of yarn；And the yarn that will be generated by air spinning device Wire reel-up thus form the devices for taking-up of package.

In this spinning machine, utilize above-mentioned drafting system suppression fibre plate between upper roller and cleaning module Accumulation.

According to the present invention, it is possible to provide fibre plate can be suppressed to pile up between upper roller and cleaning module Drafting system and possess the spinning machine of such drafting system.

Accompanying drawing explanation

Fig. 1 is the front view of the spinning machine of an embodiment of the invention.

Fig. 2 is the side view of the spinning unit of the spinning machine of Fig. 1.

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

Fig. 4 is the side view of the cleaning module multiple cleaning devices when being in contact condition.

Fig. 5 is the side view of the cleaning module multiple cleaning devices when being in released state.

Fig. 6 is the top view of multiple cleaning devices of Fig. 4.

Fig. 7 is the exploded perspective view of cleaning device.

Detailed description of the invention

Hereinafter, in detail embodiments of the present invention are illustrated referring to the drawings.Additionally, respectively scheme In, identical reference is marked for part identically or comparably, and the repetitive description thereof will be omitted.

As it is shown in figure 1, spinning machine 1 possesses multiple spinning unit 2, adapter trolley 3, doff platform Car (omitting diagram), the first end-rack 4 and the second end-rack 5.Multiple spinning units 2 line up one Row.Each spinning unit 2 generates yarns Y and is coiled into package P.When at certain spinning unit 2 In the case of middle yarns Y is cut off or yarns Y disconnects because of certain reason, adapter trolley 3 exists This spinning unit 2 carries out joint action.When the feelings that package P in certain spinning unit 2 has completely rolled up Under condition, package P is doffed by the chassis that doffs, and supplies new spool B to this spinning unit 2.

Contain the Soft flocks produced in spinning unit 2 and yarn bits etc. in the first end-rack 4 Carry out the retracting device etc. reclaimed.The air to supply to spinning machine 1 is contained in the second end-rack 5 The air pressure of (compressed air) is adjusted and supplies to the air of each portion of spinning machine 1 supply air Portion and for the driving motor etc. that is powered to each portion of spinning unit 2.In the second end-rack 5 are provided with board controls device 41, display picture 42 and input key 43.Board controls device 41 Intensively manage and control each portion of spinning machine 1.Display picture 42 can show single with spinning The setting content of unit 2 and/or the relevant information etc. of state.Operator use input key 43 Carry out suitable operation, and the setting operation of spinning unit 2 can be carried out.

As shown in Figure 1 and Figure 2, each spinning unit 2 on the direct of travel of yarns Y from upstream Side starts possess drafting system 6, air spinning device 7, yarn monitoring device 8, tension force biography successively Sensor 9, yarn storage device 11, waxing attachment 12 and devices for taking-up 13.Cell controller 10 Arranging for the spinning unit 2 often specifying number, the action to spinning unit 2 is controlled.

Drafting system 6 carries out drawing-off to sliver (fibre bundle) S.Drafting system 6 is sliver S's On direct of travel from upstream side start to have successively back roller to the 14, the 3rd roller to 15, intermediate calender rolls pair 16 and preliminary roller to 17.Each roller has lower roll and upper roller to 14,15,16 and 17.Lower roll Be located at the second end-rack 5 drive motor or be located at each spinning unit 2 drive motor and Rotate.Relative to intermediate calender rolls to 16 lower roll be provided with tengential belt (apron belt) 18a.Relative to Intermediate calender rolls is provided with tengential belt 18b to the upper roller of 16.

Air spinning device 7 utilizes cycle air-flow to add by the fiber bundle F after drafting system 6 drawing-off Twist with the fingers and generate yarns Y.For in further detail (wherein, omit diagram), air spinning device 7 Have spinning room, fiber guide portion, cycle air-flow produces nozzle and hollow guides axis body.Fine The fiber bundle F supplied from the drafting system 6 of upstream side is guided to spinning room by dimension guide portion. Cycle air-flow produces nozzle and is configured at around the path that fiber bundle F is advanced, and produces in spinning room Cycle air-flow.Because of this cycle air-flow, make each fibre end reversion of multiple fibers of composition fiber bundle F And cycle.Hollow guides axis body and yarns Y is drawn to the outside of air spinning device 7 in spinning room Lead.

Yarn monitoring device 8 monitors the yarn advanced between air spinning device 7 and yarn storage device 11 The information of line Y, and the presence or absence of yarn defect is detected based on the information monitored.In yarn monitoring device In the case of 8 detect yarn defect, send yarn defect detection signal to cell controller 10.Yarn monitors Foreign bodies detection contained by the thickness exception of yarns Y and/or yarns Y is such as by device 8 Yarn defect.Yarn monitoring device 8 also detects broken yarn etc..Tension pick-up 9 is at air spinning device The tension force of the yarns Y advanced between 7 and yarn storage device 11 is measured, and to cell controller 10 send tension detection signal.Cell controller 10 based on yarn monitoring device 8 and/or The testing result of tension pick-up 9 and being judged as have abnormal in the case of, cut in spinning unit 2 Disconnected yarns Y.Specifically, stop supplying air towards air spinning device 7, interrupt yarns Y Generate, thus cut off yarns Y.Or, it is also possible to utilize the sickle additionally arranged to cut off yarn Line Y.

Yarns Y is waxed between yarn storage device 11 and devices for taking-up 13 by waxing attachment 12.

Yarn storage device 11 is relaxing yarns Y between air spinning device 7 and devices for taking-up 13 Absorb.Yarn storage device 11 has following function, it may be assumed that stably pull out from air spinning device 7 The function of yarns Y；Make from air spinning device 7 when joint action based on adapter trolley 3 etc. The function that the yarns Y sent is detained and is prevented yarns Y from loosening；And prevent than yarn storage device 11 The variation of the tension force of the yarns Y of downstream is to the function of air spinning device 7 transmission.

Yarns Y is batched and is formed package P in spool B by devices for taking-up 13.Devices for taking-up 13 has There are rocking arm 21, reel 22 and traverse guide 23.Spool B supporting is energy by rocking arm 21 Enough rotations.Rocking arm 21 is supported as swinging by fulcrum 24, makes surface or the package of spool B The surface of P contacts with the surface of suitable pressure with reel 22.It is located at the driving of the second end-rack 5 Motor (omitting diagram) simultaneously drives the reel 22 of multiple spinning unit 2.Thus, in each spinning In unit 2, spool B or package P is made to rotate to take-up direction.The traversing of each spinning unit 2 The axle 25 shared is located in multiple spinning units 2 by yarn guide 23.The driving horse of the second end-rack 5 Reach drive shaft 25 to be allowed to move back and forth along the rotary shaft direction of reel 22, thus traverse guide 23 Make yarns Y with Rack traversing relative to the spool B rotated or package P.

When the feelings that yarns Y is cut off or yarns Y disconnects because of certain reason in certain spinning unit 2 Under condition, adapter trolley 3 marches to this spinning unit 2 and carries out joint action.Adapter trolley 3 has Piecing devices 26, suction tube 27 and suction nozzle with battery unit 28.Suction tube 27 is supported by fulcrum 31 Can rotate, catch and from the yarns Y of air spinning device 7 and guide to piecing devices 26. Suction nozzle with battery unit 28 is supported as rotating by fulcrum 32, catches the yarns Y from devices for taking-up 13 And guide to piecing devices 26.Piecing devices 26 carry out joint each other to directed yarns Y. Piecing devices 26 are to use compressed-air actuated splicer, use warp tying machine or the machinery of warp thread Formula connects the wire twister etc. of yarns Y.

When adapter trolley 3 carries out joint action, package P is made to revolve to the rightabout of take-up direction Turn (reversion).Now, to make package P by cylinder (omitting diagram) in the way of reel 22 separation Make rocking arm 21 move, and made package P by the reversion roller (omitting diagram) being located at adapter trolley 3 Reversion.

In further detail above-mentioned drafting system 6 is illustrated.As it is shown on figure 3, back roller is to 14 Have across the mutually opposing rear lower roll 14a of the travel path of sliver S and rear upper roller 14b.The Three rollers have 15 across mutually opposing the 3rd lower roll 15a and of the travel path of sliver S Roller 15b on three.Intermediate calender rolls has 16 across the mutually opposing centre of the travel path of sliver S Lower roll 16a and middle upper roller 16b.Set up at intermediate lower roller 16a and have tengential belt 18a.In centre Upper roller 16b sets up tengential belt 18b.It is mutual that preliminary roller has the travel path across sliver S to 17 Opposed front lower roll 17a and front upper roller 17b.

Multiple rollers supply, to from bar cylinder (omitting diagram), the sliver of coming to 14,15,16 and 17 S carries out drawing-off and is allowed to enter from upstream side downstream skidding simultaneously, and supplies to air spinning device 7 Fiber bundle F (the sliver S after drafted).Hereinafter, by the direction of the travel path along sliver S It is referred to as in " drawing-off direction ".The upstream side in drawing-off direction is simply referred to as " upstream side ", and by drawing-off side To downstream simply referred to as " downstream ".

Each lower roll 14a, 15a, 16a and 17a can be supported on matrix 5 rotatably.Each lower roll 14a, 15a, 16a and 17a by more tend to downstream the fastest in the way of with mutually different rotation Speed is driven in rotation.Each upper roller 14b, 15b, 16b and 17b can be supported on rotatably and shake Arm (the second support) 52.Each upper roller 14b, 15b, 16b and 17b are by with authorized pressure Contact and driven rotation with each lower roll 14a, 15a, 16a and 17a.Additionally, Rocker arm 52 will The each upper roller 14b of each drafting system possessed 6 of adjacent pair spinning unit 2,15b, 16b and 17b supports as rotating.

In matrix 51, it is possible to lower roll 14a and the 3rd lower roll 15a after adjusting along drawing-off direction Position.In Rocker arm 52, it is possible to roller on upper roller 14b and the 3rd after adjusting along drawing-off direction The position of 15b.Thereby, it is possible to adjust adjacent roller according to the fiber length of the fiber bundle F of drawing-off To the distance between 14,15 and adjacent roller to the distance between 15,16.

It is provided with rotary shaft 53 in the end of the upstream side of Rocker arm 52.Rotary shaft 53 is by Rocker arm 52 Hold as roller 14b, 15b, 16b and 17b each lower roll 14a, 15a, 16a can be contacted on each And the contact position of 17a and each upper roller 14b, 15b, 16b and 17b from each lower roll 14a, 15a, Rotate between the separation point position that 16a and 17a separates.It is provided with confession in the end in the downstream of Rocker arm 52 The handle 54 that operator use when carrying out the rotating operation of Rocker arm 52.If making Rocker arm 52 rotate To contact position, then be located at handle 54 bottom uncinus 55 be located at matrix 51 times The fixing roller 56 of the end of trip side engages, thus keeps each upper roller 14b, 15b, 16b and 17b The state contacted with each lower roll 14a, 15a, 16a and 17a with authorized pressure.

It is provided with multiple cleaning device 60A, 60B, 60C at drafting system 6.As Fig. 4, Fig. 5 with And shown in Fig. 6, each cleaning device 60A, 60B, 60C possess supporting device (the first support) 61 and cleaning module 64.Each supporting device 61 is installed on Rocker arm 52.Each cleaning module 64 is propped up Hold mechanism 61 cantilever support for rotating.

Owing to cleaning device 60A, 60B, 60C have the most identical structure, thus the most right The structure of cleaning device 60A illustrates, and omits the explanation of the structure of cleaning device 60B, 60C.

As it is shown in fig. 7, supporting device 61 has mechanism body 66 and rotary shaft 62.Mechanism body Rotary shaft 62 is supported as rotating by 66.As shown in Figure 6, at the installed surface 52a of Rocker arm 52 It is fixed with the installing component 65 with the elongated hole 65a extended along drawing-off direction.Such as Fig. 4 and Fig. 5 Shown in, mechanism body 66 is configured at the side of upper roller 14b after being configured with relative to installing component 65. On after being configured with relative to installing component 65, the opposition side of the side of roller 14b, is configured with resin Packing ring 68 and leaf spring 69.Under this state, as it is shown in fig. 7, pin 67 after being configured with roller The side of 14b through the through hole 66a of mechanism body 66, the elongated hole 65a of installing component 65, And resin washer 68, and the leading section 67a of pin 67 is sticked in the connecting hole 69a of leaf spring 69. Additionally, as shown in Fig. 4, Fig. 5 and Fig. 6, be provided with each cleaning device at installing component 65 The leading section 67a of the pin 67 in 60A, 60B, 60C, resin washer 68 and leaf spring 69 enter The cover 76 that row covers.

Supporting device 61 is with roller on after being configured with in location indentations 66b being located at mechanism body 66 The state (with reference to Fig. 7) of the rotary shaft of 14b is installed on installing component 65.Supporting device 61 because of The active force of leaf spring 69 and the frictional resistance that specified, and can be along the length of installing component 65 Hole 65a and the upstream side to drawing-off direction and adjustment position, downstream.It is to say, supporting machine Structure 61 is supported as can be to the upstream side in drawing-off direction and adjustment position, downstream by Rocker arm 52. Additionally, resin washer 68 has the function of the deformation preventing leaf spring 69.

As it is shown in fig. 7, cleaning module 64 has module bodies 71, cam follower 72, supporting Parts 73 and cleaning pad 74.Module bodies 71 forms as one with cam follower 72, by Rotary shaft 62 supports as rotating.Supporting parts 73 are the parts of tabular, by bolt 75 It is fixed on module bodies 71.Cleaning pad 74 is made up of rubber or resin.Cleaning pad 74 passes through will Multiple projections 74a being located at cleaning pad 74 are respectively embedded into the multiple connecting holes being located at supporting parts 73 73a is installed on supporting parts 73.Cleaning pad 74 via supporting parts 73 grade and by supporting device 61 supportings are for rotating.Inner side break-through at helical spring 63 has rotary shaft 62.Helical spring 63 are configured that between mechanism body 66 and module bodies 71, by cleaning pad 74 after close Direction (with reference to Fig. 4) force of upper roller 14b.

As shown in FIG. 4 and 5, on rear, the rotary shaft of roller 14b, is provided with by press-in First cam (control parts) 57.As an example, by the first cam 57 will be located at The protuberance press-in of medial surface be located at after the recess of end face of rotary shaft of upper roller 14b, and on rear roller The rotary shaft of 14b is provided with the first cam 57.First cam 57 is to be set to can be relative on rear Roller 14b contact and the cleaning module 64 (that is, the cleaning module 64 of cleaning device 60A) separated Time of contact and separate the moment be controlled.

First cam 57 has makes cleaning pad 74 from rear by the servo-actuated of cam follower 72 The first chain of command 57a that roller 14b separates.The rotary shaft of upper roller 14b after first chain of command 57a Centered by and make cleaning pad 74 from rear upper roller 14b with the scope of the angle [alpha] of more than 5 ° less than 10 ° Separate.The region 57b shape in addition to the first chain of command 57a in the outer peripheral face of the first cam 57 Become and separate from cam follower 72, make cleaning pad 74 contact with rear upper roller 14b.

Being rotated together with rear upper roller 14b by the first cam 57, cleaning module 64 is with rotary shaft 62 Centered by rotate, repeat the cleaning pad 74 contact relative to rear upper roller 14b (with reference to Fig. 4) with And separate (with reference to Fig. 5).After being attached to the fibre plate of upper roller 14b cleaning pad 74 with rear on roller It is attached to cleaning pad 74 during 14b contact.It is attached to the fibre plate of cleaning pad 74 at cleaning pad 74 After rear upper roller 14b separates, such as, fall because of deadweight.So, cleaning device 60A is by fiber Sheet removes from rear upper roller 14b.

Additionally, the rotary shaft of roller 15b is fixed with the first cam 57 also by press-in on the 3rd. This first cam 57 to be set to can relative to the 3rd on roller 15b contact and separate cleaning mould Time of contact and the separation moment of block 64 (that is, the cleaning module 64 of cleaning device 60B) enter Row controls.Thus, fibre plate roller 15b from the 3rd is removed by cleaning device 60B.

On centre, the rotary shaft of roller 16b is provided with by bolt 59 (that is, being threadably secured) Second cam (control parts) 58.Second cam 58 is to be set to can be relative to roller 16b on centre Tengential belt 18b contact and separate cleaning module 64 (that is, the cleaning mould of cleaning device 60C Block 64) time of contact and separate the moment be controlled.

Second cam 58 has makes cleaning pad 74 from centre by the servo-actuated of cam follower 72 The second chain of command (chain of command) 58a that the tengential belt 18b of upper roller 16b separates.Second chain of command 58a The model of angle (the first angle) β with about 180 ° centered by the rotary shaft of roller 16b on centre Enclose and make the tengential belt 18b of cleaning pad 74 roller 16b from centre separate.The outer peripheral face of the second cam 58 In the region 58b in addition to the second chain of command 58a be formed as separating from cam follower 72, Cleaning pad 74 is made to contact with the tengential belt 18b of roller 16b on centre.Region 58b is with roller 16b on centre Rotary shaft centered by and with the scope of the angle (the second angle) of about 180 ° make cleaning pad 74 with The tengential belt 18b contact of roller 16b on centre.

Second cam 58 is in the case of the direction of the rotary shaft extension of roller 16b on centre is observed There is the shape of sector.In the situation that the direction that the rotary shaft of roller 16b on centre extends is observed Under, the outer peripheral face of the roller main body of the second chain of command 58a roller 16b upper than centre of the second cam 58 Such as corresponding with the thickness of tengential belt 18b size is set in the outer part.

Being rotated together with roller 16b on centre by the second cam 58, cleaning module 64 is with rotary shaft Rotate centered by 62, repeat the cleaning pad 74 contact relative to tengential belt 18b (with reference to Fig. 4) with And separate (with reference to Fig. 5).It is attached to the fibre plate of tengential belt 18b at cleaning pad 74 and tengential belt 18b Cleaning pad 74 it is attached to during contact.It is attached to the fibre plate of cleaning pad 74 at cleaning pad 74 from tengential belt 18b such as falls because of deadweight after separating.So, cleaning device 60C by fibre plate from tengential belt 18b Remove.

If the first cam 57 and the second cam 58 are contrasted, then at roller 14b, 15b, 16b on each Rotary shaft extend direction observe in the case of, the shape of the first cam 57 and the second cam 58 Shape mutually different.The time of contact that controlled by the first cam 57 and separate the moment with by the Time of contact and separation moment that two cams 58 control are mutually different.Second cam 58 makes cleaning Angle (the 4th centered by the rotary shaft of roller 16b by centre that pad 74 separates from tengential belt 18b Angle) scope of β makes cleaning pad 74 roller from rear upper roller 14b and the 3rd than the first cam 57 Angle that each of 15b separates (later on upper roller 14b and the 3rd roller 15b each Third angle centered by rotary shaft) scope of α is big.

Above, as already explained above, in drafting system 6, cleaning module 64 is with roller on centre Centered by the rotary shaft of 16b, the scope with the angle of about 180 ° separates from tengential belt 18b.Therefore, Even if the rotary speed of roller 16b is high on centre, it is also possible to guarantee cleaning module 64 from tengential belt 18b, The time separated such that it is able to make fibre plate fall between tengential belt 18b and cleaning module 64. Thus, according to drafting system 6, it is possible to suppression fibre plate tengential belt 18b and cleaning module 64 it Between pile up.

In drafting system 6, the second cam 58 roller 16b on centre rotary shaft extend Direction has the shape of sector in the case of observing.Thus, even if the rotation of middle upper roller 16b is fast Degree height, it is also possible to reliably ensure that the time that cleaning module 64 separates from tengential belt 18b.

In drafting system 6, the second cam 58 makes the angle that cleaning pad 74 separates from tengential belt 18b The scope of β makes cleaning pad 74 roller 15b from rear upper roller 14b and the 3rd than the first cam 57 The scope of each angle [alpha] separated is big.Thus, in rotary speed than roller 14b and on rear On the centre that on three, the rotary speed of roller 15b is high in roller 16b, it is also possible to guarantee cleaning module 64 The time separated from tengential belt 18b such that it is able to make fibre plate from tengential belt 18b and cleaning module 64 Between fall.

In drafting system 6, the shape of the first cam 57 and the second cam 58 roller 14b on each, In the case of the direction that the rotary shaft of 15b, 16b extends is observed, there is mutually different shape. Thereby, it is possible to reliably ensure that cleaning module 64 is when each upper roller 14b, 15b, 16b separate Between.

In drafting system 6, the feelings that the direction that the rotary shaft at roller 16b on centre extends is observed Under condition, the periphery of the roller main body of the second chain of command 58a roller 16b upper than centre of the second cam 58 Face is positioned at outside.Thereby, it is possible to make cleaning module 64 separate from tengential belt 18b largely, Even if thus such as fibre plate becomes block, it is also possible to make such fibre plate from tengential belt 18b and cleaning Fall between module 64.

In drafting system 6, the second cam 58 is threadably secured and is installed on roller 16b on centre Rotary shaft, the first cam 57 is roller 15b on upper roller 14b and the 3rd after being installed on by press-in The rotary shaft of each.By roller 14b on rear low relative to rotary speed of the first cam 57 And the installation of each of roller 15b uses on the 3rd press-in, it is possible to reduce parts number of packages.Logical Cross and the installation of roller 16b uses on the centre that the second cam 58 is high relative to rotary speed screw thread Fixing, it is possible to relative to roller 16b on centre, the second cam 58 to be reliably installed.Wherein, first Cam 57 can also after being installed on to be screwed, on upper roller 14b and the 3rd, roller 15b be extremely Lack any one.

In drafting system 6, cleaning module 64 by supporting device 61 cantilever support for rotating. Thereby, it is possible to utilize easy structure to realize to connect relative to each upper roller 14b, 15b, 16b The cleaning module 64 touched and separate.In drafting system 6, due to the cleaning of cleaning module 64 Pad 74 is installed on the supporting parts 73 of tabular, it is possible to make each upper roller 14b, 15b and dragon Stable with contacting of cleaning pad 74 with 18b.

In drafting system 6, supporting device 61 is supported as can be to drawing-off direction by Rocker arm 52 Upstream side and adjustment position, downstream.Thus, such as, at the fibre of the fiber bundle F according to drawing-off Dimension long and to adjacent roller to the distance between 14,15 and adjacent roller between 15,16 away from In the case of being adjusted, it is possible to make the cleaning module 64 corresponding with each upper roller 14b, 15b and On rear upper roller 14b and the 3rd, roller 15b moves together.

Above, an embodiment of the invention is illustrated, but the present invention is not limited to Above-mentioned embodiment.

The cleaning module of the present invention is set to contact relative to roller at least one (including tengential belt) And separate.Cleaning module is set to can relative at least two roller each contact with And in the case of separating, for what the time of contact of cleaning module and separation moment were controlled For multiple control parts, at least it is being positioned at controlling parts and being positioned at most downstream side of side, most upstream Control in parts, with time of contact and separate moment relevant structure (shape etc. of such as cam) Different.Accordingly it is also possible in whole multiple control parts, make and carry out contacting and dividing The structure (shape etc. of such as cam) relevant from the moment is different.

In above-mentioned embodiment, the second cam 58 is configured to: with the rotary shaft of roller 16b on centre Centered by and with the scope of the angle beta of about 180 ° make cleaning module 64 from tengential belt 18b separate, and And make cleaning mould with the scope of the angle of about 180 ° centered by the rotary shaft of roller 16b on centre Block 64 contacts with tengential belt 18b, and the control parts of the present invention suitable with the second cam 58 can also Following composition.That is, the control parts of the present invention can also be configured to: during the rotary shaft of above roller is The heart and make cleaning module separate from upper roller with the scope of first angle of more than 50 ° less than 300 °, and And centered by this rotary shaft with from 360 ° deduct the first angle after the scope of the second angle make Cleaning module contacts with upper roller.Additionally, the first angle is more preferably more than 100 ° less than 250 °, More preferably more than 150 ° less than 200 °.

In above-mentioned embodiment, the feelings that the direction that the rotary shaft at roller 16b on centre extends is observed Under condition, the periphery of the roller main body of the second chain of command 58a roller 16b upper than centre of the second cam 58 Face is positioned at outside, but the second chain of command 58a of the second cam 58 can also be positioned at roller 16b on centre Roller main body outer peripheral face on, or be positioned at than this outer peripheral face in the inner part.

In above-mentioned embodiment, by each projection 74a of cleaning pad 74 being embedded supporting parts 73 Each connecting hole 73a, cleaning pad 74 is installed on supporting parts 73, but cleaning pad 74 also may be used To be installed on supporting parts 73 by other methods such as bondings.In above-mentioned embodiment, it is illustrated that clear The width of clean pad 74 has the width practically identical with the width of each upper roller (including tengential belt). But, the width ratio of cleaning pad 74 is by the width of the sliver S of each upper roller (including tengential belt) drawing-off Big, the width of the cleaning pad 74 in downstream can also be than the width of the cleaning pad 74 of upstream side Little.

In order to prevent the twisted of fiber bundle F from transmitting to the upstream side of air spinning device 7, air spins Yarn feeding device 7 can also be also equipped with being held in fiber guide portion and being configured to pin prominent in spinning room Shape thing.And, it is also possible to replace such spicule, air spinning device 7 to utilize fiber guide The end of downstream side in portion prevents the twisted of fiber bundle F from passing to the upstream side of air spinning device 7 Pass.Alternatively, it is also possible to replace above-mentioned structure, air spinning device 7 possesses mutually to phase negative side To a pair air nozzle that fiber bundle F is twisted.

In spinning unit 2, yarn storage device 11 has derives yarns Y from air spinning device 7 Function but it also may utilize conveying roller and niproll to derive yarns Y from air spinning device 7. Utilizing conveying roller and niproll in the case of air spinning device 7 derives yarns Y, it is also possible to Replace yarn storage device 11 and arranging utilize attract absorbed yarns Y lax lax pipe or The mechanical compensator of person etc..

In spinning unit 2, in board short transverse, so that the yarns Y in upside supply exists The mode that downside is batched configures each device, but each device can also be configured to the yarn in downside supply Y is taken up in upside.

In drafting system 6, rotary shaft 53 is configured at back roller to 14 sides (that is, upstream side), But rotary shaft 53 can also be configured at preliminary roller to 17 sides (that is, downstream).

In spinning machine 1, at least one and traverse guide 23 of the lower roll of drafting system 6 By being driven from the power of the second end-rack 5 (that is, sharing in multiple spinning units 2), But each device of spinning unit 2 (such as, drafting system 6, air spinning device 7, batch dress Put 13 etc.) can also be separately driven in each spinning unit 2.

On the direct of travel of yarns Y, tension pick-up 9 can also be configured at yarn monitoring device The upstream side of 8.Cell controller 10 can also be arranged in each spinning unit 2.Single in spinning In unit 2, it is also possible to omit waxing attachment 12, tension pick-up 9 and yarn monitoring device 8.

In fig. 1 it is illustrated that spinning machine 1 batches the package P of parallel shape, but it also is able to batch The package P of conical by its shape.In the case of the package P of conical by its shape, because of the traversing of yarns Y Produce the lax of yarns Y, but this relaxes and can be absorbed by yarn storage device 11.On being not limited to The material stated and shape, the material of each structure and shape can use various material and shape Shape.

Claims (12)

1. a drafting system, it is characterised in that possess:

Multiple rollers pair, every a pair of the plurality of roller pair is respectively provided with lower roll and upper roller；

Cleaning module, it is set to can the contact of upper roller and separation relative at least one described；With And

Controlling parts, it is located at the rotary shaft of at least one described upper roller, to described cleaning module Time of contact and separation moment are controlled,

Described control parts centered by described rotary shaft with first jiao of more than 50 ° less than 300 ° Degree scope make described cleaning module separate from described upper roller, and centered by described rotary shaft with Deduct the scope of the second angle obtained by described first angle from 360 ° and make described cleaning module and institute State roller contact.

Drafting system the most according to claim 1, it is characterised in that

Described control parts are located at the rotary shaft of the upper roller with tengential belt.

Drafting system the most according to claim 1 and 2, it is characterised in that

In the case of the direction extended from described rotary shaft is observed, described control parts are to have fan The cam of shape shape.

4. a drafting system, it is characterised in that possess:

Multiple rollers pair, every a pair of the plurality of roller pair is respectively provided with lower roll and upper roller；

Multiple cleaning modules, the plurality of cleaning module is set to can be relative on described at least two Each of roller contacts and separates；And

Multiple control parts, the rotation of each of upper roller described in the plurality of control parts at least two Rotating shaft is arranged, and the time of contact of each and separation moment to multiple described cleaning modules are carried out Control,

Drawing-off direction is positioned at the described control parts of side, most upstream centered by described rotary shaft And make described cleaning module separate from described upper roller with the scope of third angle,

The described control parts being positioned at most downstream side on described drawing-off direction with described rotary shaft are Center and make described cleaning module from described upper roller with the scope of the fourth angle bigger than third angle Separate.

Drafting system the most according to claim 4, it is characterised in that

In the case of the direction extended from described rotary shaft is observed, described drawing-off direction is positioned at The described control parts of side, most upstream and be positioned at the described control of most downstream side on described drawing-off direction Parts processed are the cams with mutually different shape.

6. according to the drafting system described in claim 4 or 5, it is characterised in that

Described cleaning module be set to can relative to described at least two each contact of upper roller with And separate,

Described control parts are located at the described rotary shaft of each of upper roller described at least two,

The described control parts being positioned at most downstream side on drawing-off direction are threadably secured and install In described rotary shaft,

The described control parts being positioned at side, most upstream on described drawing-off direction are installed by press-in In described rotary shaft.

7. according to the drafting system according to any one of claim 4～6, it is characterised in that

Described drawing-off direction is positioned at the described control parts of most downstream side be located at there is tengential belt The rotary shaft of upper roller.

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

Described control parts are to have the chain of command making described cleaning module separate from described upper roller Cam,

In the case of the direction extended from described rotary shaft is observed, described chain of command is than described upper roller Roller main body outer peripheral face in the outer part.

9. according to the drafting system according to any one of claim 1～8, it is characterised in that

It is also equipped with the first support that described cleaning module is supported,

Described cleaning module has the cleaning pad being made up of rubber or resin,

Described cleaning pad is supported as rotating by described first support.

Drafting system the most according to claim 9, it is characterised in that

It is also equipped with the second support that described upper roller is supported,

Described first support is can be to the upstream in drawing-off direction by described second support supporting Side and adjustment position, downstream.

11. according to the drafting system according to any one of claim 1～10, it is characterised in that

As the plurality of roller pair, on drawing-off direction from upstream side start to have successively back roller to, 3rd roller to, intermediate calender rolls to and preliminary roller pair,

Relative to described back roller to, the 3rd roller to and intermediate calender rolls each of respective upper roller is set Put described cleaning module,

Be provided with described cleaning module described on the rotary shaft of each of roller be provided with described control Parts.

12. 1 kinds of spinning machines, it is characterised in that possess:

Drafting system according to any one of claim 1～11；

The air spinning device of yarn is generated to being twisted by the fibre bundle of described drafting system drawing-off； And

By the described Yarn reeling generated by described air spinning device thus form package Devices for taking-up.