CN1641084A

CN1641084A - Roller device for self-twisting yarn making apparatus and method for making self-twisted yarn

Info

Publication number: CN1641084A
Application number: CNA2005100023199A
Authority: CN
Inventors: M·贝利; C·霍塔
Original assignee: Saurer Hamel AG
Current assignee: OC Oerlikon Textile Holding AG
Priority date: 2004-01-17
Filing date: 2005-01-17
Publication date: 2005-07-20
Anticipated expiration: 2025-01-17
Also published as: KR20050075698A; DE502004004430D1; PL1568807T3; CN1641084B; EP1568807A2; ATE368140T1; ES2286555T3; DE102004002502B3; EP1568807B1; EP1568807A3

Abstract

The invention relates to a roll device for a device to produce self-acting twisted yarn using at least two roving yarns alternatively with regions having S twist and Z twist. The roll device comprises at least one deflection roller and a guide roller, wherein, the deflection roller is used to make the initial traveling direction of at least one roving yarn in the roving yarns diverse and guide the roving yarn to the guide roller, so that the combination with at least another roving yarn is achieved on the guide roller, then the roving yarns automatically twist into self-acting twisted yarn. For the purpose of realizing a uniform phase distribution contending the untwisted region of the self-acting twisted yarn in the twisting process when producing self-acting twisted yarn, the roll device comprises the guide roller, a first deflection roller and a second deflection roller which are all arranged on a substrate, according to the suppose of the invention, so that the axis of the first deflection roller and the axis of the guide roller are in a plane ,and the axis of the second deflection roller is arranged at a certain distance from the plane.

Description

The roller arrangement and the method for making self-twisted yarn that are used for the automatically twisted yarn manufacturing installation

Technical field

The present invention relates to a kind of roller arrangement that is used for making the device of automatically twisted yarn (Selbstzwirngarn) according to claim 1 as described in the preamble, a kind of device that is used to make an automatically twisted yarn that comprises a described roller arrangement, and a kind of method that is used to make an automatically twisted yarn as described in the preamble according to claim 12.

Background technology

By known a kind of such method and a kind of device that is used to implement described method that is used to make an automatically twisted yarn of DE10032708C1.In described method, at least two strands of rove are alternately had have the zone that S twists with the fingers and Z twists with the fingers, described zone is spaced from each other by non-twist zone.Then merge described rove in this wise on a guide roller, make described rove because its reverse twisted tendency is twisted with the fingers knot automatically, the non-twist zone in the automatically twisted yarn that wherein said sth. made by twisting is formed has a phase difference.Guide in the described rove one through slewing rollers and from it being directed on the guide roller here, described thus rove has passed through long path at it with comparing with other rove before other rove is joined, and can adjust described phase difference thus.

Verified, can't be equably in described known method keep the phase difference of the regulation between the non-twist zone in the automatically twisted yarn of described sth. made by twisting knot along the automatically twisted yarn of described sth. made by twisting knot.For the fabric of being made by this automatically twisted yarn, this can cause uneven weaving structure (Webbild).

Summary of the invention

Set out thus, the objective of the invention is, a kind of method and apparatus that is used to make automatically twisted yarn is provided, utilize described method and apparatus can make a kind of automatically twisted yarn of twisting with the fingers knot, described automatically twisted yarn is characterised in that to have an even PHASE DISTRIBUTION in the non-twist zone of rove along the automatically twisted yarn of twisting with the fingers knot.

Utilize a kind of method of the feature with claim 12 and utilize a kind of device to realize described purpose with feature of claim 1.By the described as can be known preferred embodiment that is used to make the device of an automatically twisted yarn of dependent claims 7 to 11, and provided the preferred embodiment of the method that is used to make an automatically twisted yarn in

dependent claims

13 and 14.

The present invention also aims in addition, a kind of device is provided, utilize the available at least two strands of rove of described device to make automatically twisted yarn, phase difference between wherein available simple mode the zone that rove is not twisted is adjusted to a value of wishing, and can described phase difference be fixed on the described value in the duration of twisting process with remaining unchanged as far as possible.In order to realize described purpose, the present invention has advised a kind of roller arrangement of the feature with claim 1 of the device that is used for making automatically twisted yarn, and a kind of roller arrangement group according to claim 5.Can obtain the preferred embodiment of described roller arrangement by dependent claims 2 to 4.

Description of drawings

The present invention is described in detail according to an embodiment below with reference to accompanying drawing.Wherein:

Fig. 1 illustrates the schematic diagram that two stocks do not have the rove in the zone that replaces that has S sth. made by twisting and Z sth. made by twisting, and wherein two strands of rove are arranged side by side mutually and become to make non-twist zone to be in cophasal state;

Fig. 2 illustrates the schematic diagram of two strands of rove of Fig. 1, and wherein said rove here is arranged to abreast make placed side by sidely and is had skew between the not twisted zone;

Fig. 3 illustrates the schematic diagram of a roller arrangement that is used for a device that is used to make automatically twisted yarn, utilizes described roller arrangement to realize that the rove that will be provided with false twisting is merged into an automatically twisted yarn;

Fig. 4 illustrates the perspective view of the roller arrangement that schematically shows among Fig. 3;

Fig. 5 illustrates another perspective view of the roller arrangement of Fig. 4 with the visual angle that changes, and has one and be used for described roller arrangement is installed to a holding device that is used to make the device of automatically twisted yarn;

Fig. 6 illustrates the vertical view of the roller arrangement that has holding device of Fig. 5;

Fig. 7 illustrates a device by the roller arrangement of Fig. 5 that has that is used to make automatically twisted yarn;

Fig. 8 illustrates the vertical view of the device of Fig. 7;

Fig. 9 illustrates the decomposition view of the roller arrangement that has holding device of Fig. 5.

The specific embodiment

When making an automatically twisted yarn, at first make in the described rove each strand have false twisting, thereby per share rove all have and have that S twists with the fingers and the zone that replaces of Z sth. made by twisting by the multiply rove.Next merge described rove in this wise, so that the automatic twisted of described rove becomes an automatically twisted yarn.Utilized the reverse twisted tendency of the rove that is provided with false twisting this moment.Be known that the intensity of twisting with the fingers the automatically twisted yarn of forming depends on the phase position in the non-twist zone of two strands of rove basically fully.Therefore merge described rove usually in this wise, make its non-twist zone be in the out-phase state.Fig. 1 and 2 contrast shows this situation, and wherein Fig. 1 shows a kind of like this state, two bursts of

rove

2,3 parallel settings side by side in this state with putting, and relatively in phase place mutually in other words wherein non-twist zone (0).Different therewith, Fig. 2 illustrates a kind of for making the preferred state of high-intensity automatically twisted yarn, and in this state, the non-twist zone (0) of two strands of

rove

2,3 is in out-phase.Represent phase difference between the not twisted zone of

rove

2,3 with φ below.

Fig. 7 illustrates a device that is used for by two strands of rove, 2,3 manufacturings, one automatically twisted yarn 1 with perspective view.At first in a unshowned drawing mechanism, produce described

rove

2,3 herein, next in a false-twisting device 10, guide described rove mutually side by side with extending in

parallel.Rove

2,3 periodically alternately forms and has the zone that S twists with the fingers and Z twists with the fingers in false-twisting device 10, and described zone is spaced from each other by non-twist zone (0).After passing through false-twisting device 10, described

rove

2,3 merges in a twisting apparatus 11 like this, so that described rove is because mutual twisted of its reverse twisted tendency and sth. made by twisting are formed automatically twisted yarn 1.

In the embodiment shown in Fig. 7, described false-twisting device 10 is designed to twisting unit.Described twisting unit has two and is essentially columniform and

oscillatjng twist roller

12,13 that axis is arranged in parallel.

Oscillatjng twist roller

12,13 described here reciprocally rotates around its

pivot center

12a, 13a that is arranged in parallel on the one hand.Carry described

rove

2,3 by described rotatablely moving by oscillatjng twist roller 12,13.Also reciprocating motion between two extreme positions vertically of described two

oscillatjng twist rollers

12,13 except that it rotates.The

rove

2,3 that is conducted through by described axial reciprocating motion is by twisted and obtain a twisting thus.Rove obtains S sth. made by twisting on a vibration-direction, and rove obtains Z sth. made by twisting on opposite vibration-direction.Because

oscillatjng twist roller

12,13 is static at the reversal point place of its axially-movable, described

rove

2,3 does not obtain twisting on this time point.Therefore have that S twists with the fingers and the zone that replaces of Z sth. made by twisting by non-twist zone (0) or have less twisted zone and separate.

Have the false-twisting device of oscillatjng twist roller except that one, also can adopt other false-twisting device, for example the clamp-type false-twisting device perhaps makes rove obtain the false-twisting device of a twisting by air jet texturing.

Rove

2,3 next therein mutually the twisting apparatus 11 of twisted comprise a roller arrangement, this roller arrangement comprises one first slewing rollers 5, second slewing rollers 7 and a guide roller 6.Described roller arrangement schematically shows in Fig. 3, and is shown specifically in Fig. 4 to 6.

As seen from Figure 3, the axis A5 of first slewing rollers 5 and guide roller 6 and A6 extend in parallel to each other and limit a plane E.The axis A7 of second slewing rollers 7 is arranged to apart from described plane E one distance D, and is arranged to along yarn traffic direction C in the back of this plane E and in the approximate mid-section position of the projection on the E of plane between axis A5 and A6.One rove 2 is fitted in described first slewing rollers 5 on a part of zone periphery makes progress, and come out and be directed at second slewing rollers 7 from the deflection from initial yarn traffic direction C of these slewing rollers, hold the outer circumferential part zone (about 270 °) of described second slewing rollers 7, finally be directed on the guide roller 6, described here rove holds outer circumferential part zone (about 225 °), the merging point 22 on the guide surface that arrives guide roller 6.Another strand rove 2 directly is directed on guide roller 6, and described here rove is merging point 22 places and rove 2 junctions.

The structure of roller arrangement as seen from Figure 4.Roller described in the device that illustrates in the above 5,6 and 7 is separately fixed on the substrate 4.Be respectively arranged with

thread guide

8 and 9 along the yarn traffic direction in the front of first slewing rollers 5 and the front of guide roller 6.The periphery that described

thread guide

8,9 is used for rove 2 is directed to guide roller 6 upwards, or the periphery that rove 3 is directed to first slewing rollers 5 is upwards.Thread guide 8 preferably is arranged to make rove 2 to be diverted in this wise with respect to the guide roller 6 that sets to it, make its be point-like be fitted on the merging point 22 that guide roller 6 peripheries make progress.The periphery that thread guide 9 is used for rove 3 is directed to first slewing rollers 5 upwards, wherein first laminating points of rove 3 on slewing rollers 5 represented with reference number 33 below.

Position (merging point) 22 for 2,3 merging of the rove on the guide surface that accurately is limited to guide roller 6, and in order in the entire process process, to keep this position, described first slewing rollers 5 and guide roller 6 are arranged to its axis A5 and A6 and are extended in parallel to each other and be positioned at a plane E, this plane with by the rotation 12a of

oscillatjng twist roller

12,13, the plane parallel ground extension that 13a forms.Can guarantee like this to merge a little 22 and laminating points 33 be positioned on the straight line that an axis that is parallel to

afterturn

12,13 extends.Described straight line preferably is positioned at the plane E that is limited by axis A5 and A6 just.

Put

22 and 33 thus and have equal distance respectively to oscillatjng twist roller 12,13.Hold second slewing rollers 7 most (in device shown in Figure 4, hold the angle and be about 270 °) by laminating points 33 rove 3 that sets out like this.Laminating points 33 and merge path difference between the point 22 and determined to twist with the fingers phase difference between the not twisted zone of the rove in the automatically twisted yarn of knot.Accurately keep merging point 22 and laminating points 33 to have the meaning of particular importance for the uniformity of the automatically twisted yarn 1 of manufacturing in time period in entire process for this reason.Except slewing rollers 5 and guide roller 6 with its axis A5 and A6 the accurate pointing in the E of plane,

rove

2,3 is guided to the

thread guide

8 and 9 at its corresponding laminating points 22 on guide roller 6 or

slewing rollers

5 or 33 places to this (uniformity of automatically twisted yarn) also contribution to some extent.

Can find out the structure of the parts and the roller arrangement of described roller arrangement especially at the decomposition view of Fig. 9.Described roller arrangement comprises a substrate 4 and an intermediate plate 14.Described two

slewing rollers

5 and 7 and described guide roller 6 be arranged on the described substrate 4.Wherein second slewing rollers 7 are rotatably supported in the admittance dish 16 that is fixed on the substrate 4 by a supporting member 15.Described

slewing rollers

5 and 7 and guide roller 6 be designed to columniformly respectively, wherein in cylindrical shell, cut out guiding groove 5a, a 6a or 7a respectively.Described guiding groove be used for remaining on by the

rove

2,3 of corresponding roller operation turn to or the circular cylindrical shell face of

guide roller

5,6,7 on and prevent to skid.Also be fixed with described two

thread guides

8 and 9 on this external substrate 4, be designed to seal wire ring among the described embodiment of described thread guide here.Also can use conducting wire pole alternatively.Here guide roller 6 sets thread guide 8, and first slewing rollers 5 set thread guide 9.Thread guide 8 described here and 9 is arranged to make it to be located immediately at the front of guide roller 6 or slewing rollers 5 on yarn traffic direction C.

Substrate 4 is fixed on the intermediate plate 14 by a fast joint structure.The permanent magnet 17,18 that is installed in by two in two depressed parts 19,20 on the intermediate plate at fast joint structure described in the embodiment of Fig. 9 forms.Here the substrate of metal is remained on the intermediate plate 14 by the magnetic force of magnet 17,18.Also can adopt other fast joint structure except that described magnet fast joint structure, for example bayonet socket connects.

On the downside of intermediate plate 14, be fixed with a keeper 21 by being threaded.As shown in Figure 7, described keeper 21 is used for intermediate plate 14 is remained on the described device that is used to make an automatically twisted yarn.

Phase difference for a hope between the not twisted zone that is adjustable to the

rove

2,3 in the automatically twisted yarn 1 of twisting with the fingers knot provides a roller arrangement group that comprises a plurality of roller arrangements as shown in Fig. 4 to 6 and 9.The single roller arrangement of each of described group is identical with the roller arrangement shown in Fig. 4 to 6 and 9 respectively on its structure, but its difference be second slewing rollers 7 axis A7 and described by first slewing rollers 5 and guide roller 6 axis A5 and the distance D between the plane E that A6 limits.Can change another roller arrangement with a roller arrangement quickly and easily by described fast joint structure.Therefore can phase difference be adjusted to a value of wishing by selecting a suitable roller arrangement when the twisting process of making automatically twisted yarn with two strands of rove with predetermined characteristic is initial, the value of wherein said hope depends on the characteristic of

rove

2,3 usually.

Imagine in a unshowned here embodiment, the automatically twisted yarn 1 of described sth. made by twisting knot directly guides by an output thread guide after leaving guide roller 6.Can realize stable guiding thus to the automatically twisted yarn 1 of described sth. made by twisting knot.Output thread guide described here equally can be as the same seal wire ring or the conducting wire pole of being designed to 9 of thread guide 8.

Utilize described roller arrangement to make and clearly to limit the long path that one rove 3 is passed by between the merging point 22 of false-twisting device 10 and guide roller 6 with respect to another strand rove 2 on the one hand, also can keep this path in the time on the other hand in entire process.Can realize that by this way the phase difference between the not twisted area 0 is constant along the automatically twisted yarn maintenance of described sth. made by twisting knot, these feasible final products that can form high-quality.In addition, have the second suitable slewing rollers 7 and the roller arrangement of the distance D between the E of plane by before the process of twisting thread begins certainly, selecting one, and use it in the twisting apparatus 11, utilize the roller arrangement group that is provided that the phase difference of hope is always adapted with employed rove kind.

Claims

1. be used at least two strands of rove (2 with the zone that alternately has S sth. made by twisting and Z sth. made by twisting, 3) roller arrangement of the device of manufacturing one automatically twisted yarn (1), comprise at least one slewing rollers (5) and a guide roller (6), come out and described rove be directed to guide roller (6) from initial yarn traffic direction (C) deflection in one (3) at least that wherein said slewing rollers (5) are used for making described rove, on described guide roller, realize and the merging of another strand rove (2) at least, thereby described rove is twisted with the fingers automatically and is formed an automatically twisted yarn (1), it is characterized in that, described roller arrangement comprises guide roller (6) and one first slewing rollers (5) and one second slewing rollers (7), described each roller is arranged on the substrate (4) like this, so that the axis (A5 of described first slewing rollers (5) and guide roller (6), A6) be arranged in a plane (E) in parallel to each other, and make the axis (A7) of second slewing rollers (7) be arranged to certain distance (D) is arranged apart from described plane (E).

2. according to the roller arrangement of claim 1, it is characterized in that described guide roller (6) and described slewing rollers (5,7) are rotatably supported on the described substrate (4).

3. according to the roller arrangement of claim 1 or 2, it is characterized in that, be provided with one at described substrate (4) and change lock uint fast, utilize the described roller arrangement of described quick replacing lock uint can be fixed on one replaceably and be used for making the device of an automatically twisted yarn (1).

4. according to each roller arrangement in the claim 1 to 3, it is characterized in that, go up near described guide roller (6) and along the yarn traffic direction at described substrate (4) and be provided with a thread-carrier (8) in the front and/or the back of described guide roller (6).

5. comprising a plurality of roller arrangement groups according to each roller arrangement in the aforementioned claim, it is characterized in that, is different at the axis (A7) of second slewing rollers (7) described in each described roller arrangement and the distance (D) between described plane (E).

6. be used at least two strands of rove (2,3) and make the device of an automatically twisted yarn (1), comprise: at least one false-twisting device (10), described rove (2,3) is alternately formed have the zone that S twists with the fingers and Z twists with the fingers, the described zone that has sth. made by twisting is spaced from each other by non-twist zone (0); With a twisting apparatus (11) that is used for twisting with the fingers the described rove of knot (2,3), it is characterized in that described twisting apparatus comprises one according to each roller arrangement in the claim 1 to 4.

7. according to the device of claim 6, it is characterized in that, described roller arrangement is arranged in the described device in this wise, so that the axis (A5, A6) of first slewing rollers (5) and guide roller (6) is positioned at wherein described plane (E) perpendicular to the initial traffic direction (C) of rove (2,3) and make the axis (A 7) of second slewing rollers (7) be arranged to the back that there is certain distance (D) on described plane (E) and is positioned at described plane (E) along the yarn traffic direction.

8. according to the device of claim 6 or 7, it is characterized in that, described second slewing rollers (7) can move and be fixed on the position of hope with respect to first slewing rollers (5), thereby can tune to the phase difference (φ) between the non-twist zone (0) of the rove (2,3) in the sth. made by twisting knot automatically twisted yarn (1) of wishing.

9. according to the device of claim 4, it is characterized in that described roller arrangement is changed lock uint fast by one and is fixed in the described device.

10. according to each device in the claim 6 to 9, it is characterized in that, be provided with a thread-carrier (8) in the front and/or the back of guide roller (6) along the yarn traffic direction.

11. the device according to claim 10 is characterized in that, described thread-carrier is a yarn guiding ring.

12. be used to make the method for an automatically twisted yarn (1), wherein at first make at least two strands of rove (2,3) between at least one false-twisting device (10), pass through, make rove (2 thus, 3) form the zone that periodically alternately has S sth. made by twisting and Z sth. made by twisting respectively, described zone with sth. made by twisting is spaced from each other by non-twist zone (0), and next merge described rove (2 in this wise, 3), make described rove because its intrinsic twisted automatic twisted, one (3) at least in the wherein said rove are being directed arriving a guide roller (6) by described false-twisting device (10) back by at least one slewing rollers (5), on described guide roller, carry out described rove (2,3) merging, it is characterized in that, after passing through described false-twisting device (10), at first pass through one first slewing rollers (5) also next by one (3) in the described rove of one second slewing rollers (7) guiding, wherein said slewing rollers (5,7) be provided with in this wise, so that the axis (A5 of described slewing rollers, A7) extend in parallel to each other and make the axis of first slewing rollers (5) and guide roller (6) be positioned at a plane (E), described plane is perpendicular to initial yarn traffic direction, and is arranged to certain distance be arranged and be positioned at the back of described plane (E) along the yarn traffic direction apart from the axis (A7) of described second slewing rollers (7).

13. the method according to claim 12 is characterized in that, guides described rove (2,3) by a thread-carrier (8,9) respectively, described thread-carrier makes progress the periphery that described rove is directed to described guide roller (6) or described first slewing rollers (5).

14. the method according to claim 12 or 13 is characterized in that, the automatically twisted yarn of described twisted (1) is directly leaving described guide roller (6) afterwards promptly by an output thread-carrier guiding.