CN102695826B

CN102695826B - The draw-gear of hauling machine or lapper

Info

Publication number: CN102695826B
Application number: CN201080059889.0A
Authority: CN
Inventors: 吉罗拉莫·普兰迪尼; 罗伯托·托科利
Original assignee: Mazori GmbH
Current assignee: Mazori GmbH
Priority date: 2009-12-28
Filing date: 2010-11-23
Publication date: 2015-08-05
Anticipated expiration: 2030-11-23
Also published as: IT1397140B1; EP2519666A1; BR112012015915B1; WO2011080611A1; BR112012015915A2; EP2519666B1; CN102695826A; ITBS20090237A1

Abstract

The draw-gear (1) of the hauling machine on a kind of Spinning process line or lapper, comprise be positioned at traction unit (2) reach the standard grade open unit (10).Open unit (2) and comprise be suitable for entering into and enter this unit each to open this equitant cylinder pair opened cylinder or there is cylindrical screw with annular protrusion, improve the situation for follow-up traction.

Description

The draw-gear of hauling machine or lapper

Technical field

The present invention relates to a kind of for processing fiber and the draw-gear of the hauling machine (drafting machine) obtained on the Spinning process line of yarn or lapper (lap-forming machine).

Background technology

Textile mills for Soft flocks (fibre flock) being transformed into yarn are made up of many machines, these machines cleaning fiber localized fiber abreast, to obtain fiber web and finally to obtain yarn.

This factory generally includes multiple tank and lapper, and the ribbon from carding machine is housed in tank, makes single bar connect, draws and overlap, form net, reel to form volume in lapper.

To describe an embodiment of the production line with tank and lapper in the document EP-A1-1464739 of the applicant's name.

Usually, this process also comprises hauling machine, is only pulled before moving in order to following process at hauling machine discal patch.

Draw in both of these case and all performed by draw-gear.

Summary of the invention

The object of the invention is to produce a kind of draw-gear that the efficiency of traction is improved.

This object is by according to describing made draw-gear herein to realize.

The hauling machine of Spinning process line or the draw-gear of lapper comprise: a traction unit, can draw the bar entered, open unit, be positioned at the upstream of traction unit, comprise and be suitable for entering into each bar entered with what open this and open element, wherein, open unit to comprise: the leading of the surface of the with groove of the part for guide ribs is installed and opens cylinder, be positioned at leading open cylindrical roll off the production line structurally with functionally open similar the rolling off the production line of cylinder open cylinder to leading, and be positioned at leading open cylindrical upstream structurally with functionally open cylinder to leading upstream of opening cylinder similar, leading cylinder of opening has the frequency opening the large circumferential protrusion of cylinder than rolling off the production line, upstream is opened cylinder and is had than the leading frequency opening the large circumferential protrusion of cylinder.

Accompanying drawing explanation

From the description provided by way of non-limiting example referring to accompanying drawing, will be apparent according to the feature and advantage of draw-gear of the present invention, wherein:

Fig. 1 is the schematic side elevation according to draw-gear of the present invention;

Fig. 1 a diagrammatically illustrates according to action of opening unit of the present invention;

Fig. 2 shows the axonometric drawing of the draw-gear in Fig. 1;

Fig. 3 shows and opens unit according to an embodiment according to draw-gear of the present invention;

Fig. 4 shows the schematic side elevation of draw-gear according to another implementation of the invention;

What Fig. 4 a showed draw-gear in Fig. 4 opens unit;

Fig. 5, Fig. 6 and Fig. 7 show according to other embodiment opening unit of the present invention.

Detailed description of the invention

With reference to accompanying drawing, reference marker 1 represents the draw-gear being supplied to multiple S of such as hauling machine or lapper on the whole.

This draw-gear comprises can the traction unit 2 of traction item S.

Traction unit 2 comprises at least two traction cylinders pair, a traction cylinder is to being positioned at another traction cylinder right roll off the production line (downline), there is different peripheral speeds, and the peripheral speed making the traction cylinder that rolls off the production line right is particularly greater than the right peripheral speed of the traction cylinder of reaching the standard grade.Traction cylinder between the bar S that passes through be pulled due to the difference of peripheral speed.The ratio of the peripheral speed that the right peripheral speed of the traction cylinder rolled off the production line is right with the traction cylinder of reaching the standard grade is defined as " traction ".The traction value increased is corresponding with stronger drawing-in motion, that is adds the elongation of bar.

According to the embodiment illustrated, traction unit 2 comprises:

The the first traction cylinder formed by lower cylinder 4a and upward pressure cylinder 4b is to 4;

The the second traction cylinder formed by lower cylinder 6a and upward pressure cylinder 6b is to 6;

The 3rd traction cylinder formed by lower cylinder 8a and described upward pressure cylinder 6b is to 8, and described upward pressure cylinder is therefore by the second traction cylinder draws cylinder to being shared to the 3rd.

Draw-gear 1 also comprise be positioned at traction unit 2 reach the standard grade be suitable for open unit 10 to the element of opening in single bar at the front opening bar S towards traction unit 2 advance by being suitable for entering (sinkinto is absorbed in).

In other words, open unit 10 to be suitable for by opening element described in inserting and working to bar S thus open these, to reduce the tightness of bar.

As being schematically shown in Fig. 1 a, single bar S has the cross section of sub-elliptical, and when all considering together, these occupy and are roughly rectangular region R.By opening unit, open element and enter (penetrate according to insertion line L, thrust) in bar, open these, each part is had and the density inserting line roughly homogeneity compared with next density inserting the other parts between line between one.

According to one preferred embodiment, open unit 10 and comprise that at least one of the surface 14 being provided with groove (channelled) is leading opens cylinder 12, with guide ribs forcibly and thus make these and other fiber separation, open bar.

Such as, can around be transverse to bar the direction of the supply rotation X rotate cylinder 12 on a surface in the axial direction adjoining land there is multiple circumferential protrusion 16.Groove 18 is formed between a projection and next one projection, guides the fiber in conjunction with rolling in the trench.

Distance between a projection and axially next one projection is side by side defined as " pitch (pitch) ".

The pitch opening the projection of cylinder 12 is preferably less than the average transverse width of bar, enters (sink into, is absorbed in) in the fiber of bar to enable the projection being used as to open element in this modification.

According to the embodiment illustrated, projection is circumferentially continuous.

According to embodiment modification, protruding discontinuous, in other words, be fabricated to continuous print projecting teeth; According to another embodiment, open element and limited by multiple tips (tip) that can be trapped in bar or blade (blade).

According to yet another embodiment, open the cylindrical helical thing that element axially locates to be formed continuous print or partial interruption.

According to one preferred embodiment, open unit 10 comprise such as be positioned at leading open cylinder 12 roll off the production line roll off the production line and open cylinder 20.

Open cylinder 12,20 orientate as make bar follow downward loop (downhill circuit, descending loop) leading open cylinder 12 and roll off the production line to open between cylinder 20 pass through; Make bar S open cylindrical over top pass through leading like this, be deflected downwardly and roll off the production line open cylinder 20 bottom above pass through.

Preferably, open rolling off the production line of cylinder 20 rolling off the production line, draw-gear 1 comprises support bar 30, this support bar orientate as make bar S by time the upper surface that is located thereon roughly be positioned at the first traction cylinder to 4 the At The Height in hole, and the At The Height that the bottom being positioned at the surface of opening cylinder 20 than rolling off the production line is higher.

In other words, after rolling off the production line and opening cylinder 20, bar is followed upwards loop (uphill circuit, upward slope loop) and, until support bar 30, is then entered traction unit 2.

Advantageously, this makes the tensioning that can produce Moving-strip, and this promotes bar downwards towards leading surface of opening cylinder 12 and is upwardly opened to rolling off the production line on the surface of cylinder 20 by bar, strengthens guiding effect.

According to another embodiment, open unit 10 comprise be positioned at leading open cylinder 12 reach the standard grade reach the standard grade and open cylinder 40 (Fig. 4 and Fig. 4 a).Reach the standard grade and open cylinder 40 and have and 26S Proteasome Structure and Function feature like leading those 26S Proteasome Structure and Function feature classes opening cylinder 12.

According to one preferred embodiment, cylinder 12,20,40 right and wrong are opened vehicularized.According to another embodiment, it is vehicularized for opening cylinder 12,20,40.According to other embodiment, some open cylinder is vehicularized and some are not vehicularized.

Advantageously, this makes adjustable cylindrical rotary speed, to regulate the speed relative to bar and thus to optimize guiding action.

According to an embodiment, open cylinder and be made up of light aluminum alloy, to reduce rotatory inertia.

According to yet another embodiment, in any case, prediction has severally opens cylinder, and the frequency (the relevant quantity opening cylindrical circumferential protrusion of such as per unit length) opening element increases from high to low.Such as, leading cylinder 12 of opening has the pattern opening the more intensive circumferential protrusion of cylinder 40 than reaching the standard grade along its axis, and rolls off the production line and open cylinder 20 and have than the leading pattern opening the more intensive circumferential protrusion of cylinder 12 along its axis.

Advantageously, the progression of protruding frequency makes little by little to provide (dose) to open the invasive of effect.

According to another embodiment, open unit and comprise and overlapping open cylinder, in other words, these cylindrical circumferential protrusion enter (Fig. 5, Fig. 6 and Fig. 7) at least in part each other.

In other words, open cylindrical circumferential protrusion and itself be positioned at by the cylindrical ideal cylindrical surface convexed to form continuously engaged, between being formed between the depression (valley) between a projection and another projection for one.

Such as, the cylinder mutually entered open to open under unit comprises cylinder 12' and on open cylinder 12 ", such as between continuous print circumferential protrusion, there is identical axial pitch.

According to the first embodiment, open cylindrical circumferential protrusion and equitantly open cylindrical circumferential protrusion homophase, thus making a top corresponding with the bottom that another opens cylindrical depression (Fig. 5 and Fig. 7) of opening cylindrical projection for one.

According to yet another embodiment, open cylindrical circumferential protrusion and equitantly open cylindrical circumferential protrusion out-phase, thus making a top of opening cylindrical projection open cylindrical inclined side corresponding (Fig. 6) with another for one.

According to another embodiment, equitant cylinder has different pitches.

According to another embodiment, equitant open that cylinder has the continuous print that carries out cylindrical screw motion or a partial interruption open element, wherein these two spirals have contrary coiling direction, to balance processed bar move axially effect.

Preferably, in addition, hauling machine or lapper comprise the stayed surface 50 downward-sloping in the direction of advance of bar of reaching the standard grade being positioned at and opening unit 10.

In addition, hauling machine or lapper comprise multiple deviation element 52, and these deviation elements occupy the deflected areas of stayed surface 50, give prominence to from stayed surface, near entering edge.Deviation element 52 is preferably located with herringbone pattern, to reduce the width of the both sides group of bar.

In other words, the deviation element 52 be made up of the block of the parallelepiped shape with fillet comprises and roughly to contact to earth the side element 52b of top end member 52a locate and the both sides being positioned at top end member 52a with the side edge that enters on surface 50, and when the side of top end member close to surperficial 50, it enters edge further away from each other.

Deviation element 52 is orientated as and is made laterally spaced apart and form pipeline between which, and bar is directed in these pipelines, and described element 52 laterally limits these pipelines.

Hauling machine or lapper also comprise the approximate horizontal end surface 60 rolled off the production line being positioned at stayed surface 50, described in open unit 10 and be closely positioned at rolling off the production line of this end surface.

According to one preferred embodiment, hauling machine or lapper comprise can bar by time suction from the aspirator of the dirt etc. of bar.

Such as, described aspirator comprises the groove of the thickness running through end surface 60.

Novel ground, draw-gear according to the present invention makes the traction that can improve bar, has influence on disclosed traction unit to make these.

Opening of the reinforcement of bar is corresponding with opening of the reinforcement of fiber, and therefore supports this better, thus improves traction.

Advantageously, in addition, the loop up and down of bar makes to be pushed on guiding surface by bar inherently, strengthens the effect of opening unit.

Obviously, those skilled in the art can make amendment to above-mentioned draw-gear, to meet the demand depended on the circumstances.

Such as, in an embodiment modification, open element and be fixed.

All modification all drop on by within the protection domain that claim limits below.

Claims

1. the hauling machine of a Spinning process line or the draw-gear (1) of lapper, described draw-gear comprises:

-traction unit (2), described traction unit can draw the bar entered;

-open unit (10), described in open the upstream of cell location in described traction unit (2), comprise and be suitable for entering into each bar entered with what open this and open element,

Wherein, described unit (10) of opening comprising: be provided with the leading of the surface of the with groove of the part for guide ribs and open cylinder (12), be positioned at described leading open cylinder (12) roll off the production line structurally with functionally leadingly open similar the rolling off the production line of cylinder to described and open cylinder (20), and be positioned at described leading open the upstream of cylinder (12) structurally with functionally open cylinder (40) to the described leading similar upstream of cylinder of opening, described leading cylinder (12) of opening has and opens the frequency of the large circumferential protrusion of cylinder (20) than described rolling off the production line, described upstream is opened cylinder (40) and is had than the described leading frequency opening the large circumferential protrusion of cylinder (12).

2. draw-gear according to claim 1, wherein, described in open element be mobile.

3. draw-gear according to claim 2, wherein, described in open element and move revolvably.

4. draw-gear according to claim 1, wherein, described leading cylinder (12) of opening comprises multiple circumferential protrusion (16), opens element described in described circumferential protrusion is formed.

5. draw-gear according to claim 4, wherein, described circumferential protrusion (16) is axially continuous in form peripheral groove (18).

6. draw-gear according to claim 5, wherein, described circumferential protrusion is axially continuous with the predetermined pitch of the average transverse width being less than single bar (S).

7. draw-gear according to claim 1, wherein, describedly leadingly open cylinder (12) and described top of rolling off the production line the side surface opening cylinder (20) is positioned at different At The Heights, to form the downward loop of described bar in a forward direction.

8. draw-gear according to claim 1, wherein, the described leading top of cylinder (12) and described upstream opening the side surface of cylinder (40) of opening is positioned at different At The Heights, to form the upwards loop of described bar in a forward direction.

9. draw-gear according to claim 1, wherein, described in open element be most advanced and sophisticated or blade or form the helix of continuous print or partial interruption.

10. draw-gear according to claim 1, wherein, described leading open cylinder, described in roll off the production line that to open at least one right and wrong cylinder and described upstream opened in cylinder vehicularized.

11. draw-gears according to claim 1, wherein, described leading open cylinder, described in roll off the production line and open cylinder and at least one opening in cylinder of described upstream is vehicularized.

12. draw-gears according to claim 1, comprise and paired equitant leadingly open cylinder (12', 12 ").

13. draw-gears according to claim 12, wherein, describedly equitantly leadingly open cylinder (12', 12 ") have the circumferential protrusion of homophase.

14. draw-gears according to claim 12, wherein, describedly equitantly leadingly open cylinder (12', 12 ") have the circumferential protrusion of out-phase.

15. draw-gears according to claim 12, wherein, describedly equitantly leadingly open cylinder (12', 12 ") have the circumferential protrusion of different pitch.

16. draw-gears according to claim 1, wherein, described leading open cylinder, described in roll off the production line and open cylinder and described upstream and open cylinder and be made up of light aluminum alloy.

17. draw-gears according to claim 12, wherein, described equitant leading open that cylinder comprises the continuous print with screw or partial interruption open element.

18. draw-gears according to claim 17, wherein, described screw is carried out on contrary coiling direction.

19. 1 kinds of traction frameworks or lapper, comprise the draw-gear according to any one of the claims.