CN1954106A

CN1954106A - Yarn feeding device

Info

Publication number: CN1954106A
Application number: CNA2005800094722A
Authority: CN
Inventors: 杰拉尔多·索尔顿
Original assignee: Iro AB
Current assignee: Iro AB
Priority date: 2004-04-01
Filing date: 2005-03-15
Publication date: 2007-04-25
Anticipated expiration: 2025-03-15
Also published as: SE0400862D0; EP1730339B1; TWI292446B; TW200606292A; WO2005098112A1; EP1730339A1; CN1954106B

Abstract

A holding structure (H) having a single hollow holding arm (A) connected to the housing (1), the balloon breaker being adjustably mounted to the holding arm. The balloon breaker (B) is mounted by means of a tilting joint (K) to the holding arm. The tilting joint (K) defines a joint axis (Y) which is substantially perpendicular to the axis (X) of the storage body (6). The titling joint (K) is fixed to the holding arm (A). The holding arm (A) extends through a housing passage (20) in a housing front wall (3) into the interior (4) of the housing (1). The holding arm (A) is secured in the housing (1) in a sliding fixation structure (S). The sliding fixation comprise an anti-rotation mechanism (R) for the holding arm (A). The holding arm (A) has cable openings and/or tube openings at both holding arm ends, namely in the interior (4) of the housing and in the end downstream of the tilting joint (K).

Description

Yarn feeding device

Technical field

The present invention relates to a kind of according to claim 1 yarn feeding device as described in the preamble.

Background technology

When spool the top arrangement of the storage member of yarn feeding device and this storage member front end axially on continuously when regaining at a high speed, described yarn forms an air ring.This air ring causes in the insertion process of braiding machine hindering this negative effect aspect two of correct yarn control and waste energy.For this reason, especially for the yarn feeding device of air-jet loom, a balloon breaker is used, and this has mechanically reduced the formation of air ring and has caused improving yarn control and provide better yarn to insert condition.The various balloon breakers of knowing, for example, annular or infundibulate balloon breaker.Balloon breaker and storage member co-axial alignment are so that balloon breaker surrounds storage member or is arranged on the downstream of storage member by convention.Described balloon breaker be fixed to yarn feeding device housing in case its location at least in the axial direction, can regulate on demand.And fully clog-free during near storage member at needs, balloon breaker can be fixed, so its separable and/or side direction is removed.

Be installed on the slay by the infundibulate balloon breaker of the disclosed described yarn feeding device of EP1083252A patent document, this slay is installed on the axially extended support arm on the housing of described conveying equipment.This slay can support arm vertically on be conditioned with balloon breaker.Described support arm be hollow so that cable and/or pipeline can be positioned in wherein.These cables and/or pipeline may be other be installed in the balloon breaker or the yarn-finished portion spare in the downstream of balloon breaker required.No matter when all need to contact freely storage member, the slay of band balloon breaker leaves support arm and is suspended on free end from described support arm then on cable and/or pipeline that each yarn-finished portion spare moves.Such condition may be bothered and is operated near the operator of storage member.Under the situation that is not provided with cable and/or pipeline, the slay of band balloon breaker must be placed in the next door and leave suitable zone temporarily in.The balloon breaker of moving may be fulsome.Described support arm at downstream direction outstanding relatively and balloon breaker be installed near or under the situation of described storage member, cause a permanent fulsome obstacle.

Another kind of existing conveying equipment has three support arms around storage member is distributed in it and be fixed on the housing of conveying equipment.Wherein two support arms support a diagonal joint that balloon breaker is installed.The 3rd support arm releasably is connected with balloon breaker when balloon breaker is set at operating position.The 3rd support arm is hollow and a side that be installed to described yarn feeding device housing.When being provided with cable and/or pipeline, it is inserted into the 3rd support arm and from the end freely-movable of the support arm of housing one side and pass the inside that an opening enters housing.The hold assembly of described balloon breaker comprises a plurality of parts and has limited contact to storage member during when the balloon breaker lateral tilt and away from storage member so that near its operation storage member not fully up to expectationsly.The opening of housing needs additional production step and opening sealedly to invade enclosure interior to stop to pollute.

Summary of the invention

The purpose of this invention is to provide a kind of yarn feeding device that a fixed part simple in structure is arranged that is used for balloon breaker.When the described balloon breaker of adjusting entered operating position and enters off position, described fixed part should be helpful to also operating easily easily.In addition, when fixed part moves near storage member that simultaneously balloon breaker is in off position, the obstruction operator that described fixed part should be the least possible.

Described purpose is reached by the described feature of claim 1.

Single support arm has caused minimum obstacle near storage member.Diagonal joint allows balloon breaker is adjusted to a stable operating position and a stable off position, removes fully from the zone that the operator must work at this off position balloon breaker.In addition, diagonal joint be handled can the person of being operated comfortable and operation promptly.Support arm is stabilized is supported on the housing and occupies suitable length.Since support arm with respect to housing shaft to adjustable, support arm protrudes the housing front side, as long as be necessary to locate reliably balloon breaker, promptly, when balloon breaker is positioned in relatively near storage member or even around the operating position of storage member, because the unwanted part of support arm longitudinal extension is kept at the inside of housing and this makes the outer end of support arm can not cause unnecessary obstacle.The slewing that prevents in housing and in the slip permanent plant is guaranteed balloon breaker and the correct axially-aligned of storage member, and is not subjected to the axial operation position constraint of balloon breaker.Described support arm openings at two ends permission insertion cable and/or pipeline and direct pilot cable and/or pipeline enter the inside of housing and suitably connect.Cable and/or pipeline can be lacked to avoid as much as possible owing to tie obstruction and the malfunctioning tendency that causes at the housing outer cable circle knot or the pipeline circle of yarn feeding device.When balloon breaker with respect to away from the connecting axle lateral tilt of storage member the time, if be provided with, just so described balloon breaker is unimpeded fully with the zone that cable and/or pipeline together make the operator work.Described supporting construction is simple and light.This is great improvement to the comfortable work of operator.

Shaft coupling mechanism in diagonal joint guarantees that automatically balloon breaker has at least two stable positions.Described balloon breaker can be easy to and move between at least two positions rapidly.Two positions of shaft coupling are preferred in advance so that the operator needn't be concerned about the correct operating position NOR operation position of balloon breaker respectively.

When balloon breaker relied on mitered cephalomotor, it was very comfortable operating machines for the operator, because the operator only need use the starting element of hand motion correspondence.

The position of two of housing axial support arm passages at interval causes support arm reliably to be located near the slip permanent plant.The inside that the part of each position is sealed to housing moves relative to each other and has avoided pollution.Described clamper element is firm being positioned on separately the position of support arm, make operating period of yarn feeding device when from when the power of outside or shock effect are on balloon breaker and/or support arm, support arm can not move in uncontrolled mode.

At first open housing as the operator in a preferred embodiment, described clamper element only can be adjusted between the off-position of enclosure interior and clamping positions.

In another preferred embodiment, described clamper element even can regulate from hull outside, the operator needn't open housing earlier.

Easily, the described mechanism of rotating that prevents that is used for support arm is located between clamper element and the support arm self.No matter when the clamper element enters clamping positions, and described support arm stops automatically carries out a relative rotary motion.

In situation simple in structure, described clamper element has a U-shaped profile, in clamping positions, in abutting connection with the inwall of housing sidewall and clamper portion is arranged on support arm simultaneously.The tension force screw rod runs through the clamper element that is between support portion and the clamper portion and is easy to reliable fixed support arm, not only utilizes the power of tension force screw rod but also the power of the long lever arm of utilization between the clamper portion of support portion that is close to the housing sidewall inboard and contiguous support arm.Also by the frictional force in the support arm passage in the housing, support arm is fixed by the clamper element.The enough rigidity of housing are come fixed support arm stably can produce enough big power.

In situation simple in structure, the head of described tension force screw rod is inserted in the groove of housing sidewall.This is an advantage with regard to the easy assembling of slip permanent plant and handled easily.

In another preferred embodiment, described tension force screw rod penetrates housing sidewall and operates from hull outside so that it can not open housing.

In order to prevent the support arm rotation, the clamper portion of described clamper element has at least one to embed axial notch or groove that element embeds support arm.As long as described clamper element enters and the primitive axis of the described support arm clamping positions to location independent, the described rotational structure that prevents will be activated.Prevent rotational structure even can satisfy further requirement, promptly stop support arm to be extracted housing because of carelessness.

The free end of support arm passes and can be entered enclosure interior to avoid polluting by the diagonal joint that plug seals.In order to wear cable and/or pipeline, opening can be arranged in the plug, and at least one cable and/or pipeline are located in wherein.

In at least one cable and/or pipeline were arranged on situation in the plug, cable and/or pipeline can be guided and pass the inside that described support arm enters housing.

Preferably, support arm is pipe parts.Alternately, support arm can be a pipeline that is shaped or the pipeline that at least one sidepiece is arranged, and this sidepiece is used for reaching in another way and prevents the effect of rotating.

Preferably, diagonal joint is sandwiched in the fixed part on the support arm, and is preferred even be subjected to the help of the suitable permanent plant of shape, and described permanent plant stops diagonal joint axial displacement and/or the rotation on the support arm.

With regard to the yarn feeding device that is used for air-jet weaving machine, a sensor device and/or arrestment are arranged on the outside of housing antetheca, and housing structurally links to each other with the periphery of storage member.Described shell channel is generally used for support arm is inserted the housing of yarn feeding device, and the next door that is installed in interior sensor device of housing antetheca and/or arrestment then is not so that it can hinder proximity transducer equipment and/or arrestment.The position laterally offset of support arm then.Yet the linking arm that is used for fixing the diagonal joint of balloon breaker is placed in a side facing to the support arm of storage member so that balloon breaker is positioned in its run location in reliable mode.

Description of drawings

Below in conjunction with accompanying drawing a specific embodiment of the present invention is described.Wherein:

Fig. 1 is the three-dimensional view of the yarn feeding device that is removed of case lid;

Fig. 2 is shown specifically the stereogram of a slip fixed structure; And

Fig. 3 is the cross sectional view that diagonal joint is cut open at the connecting axle place.

The specific embodiment

A kind of yarn feeding device F as shown in Figure 1, particularly a kind of yarn feeding device F that is used for jet or water jet looms (not shown), one metal shell 1 is arranged, and this housing 1 comprises housing sidewall 2 and housing antetheca 3, and housing sidewall 2 and housing antetheca 3 define the inner space 4 of housing 1.In inner space 4, not shown by convention drive motors that should be provided with and further control system or supply bindiny mechanism.The front of antetheca 3 is provided with rotatable winding parts 5, and this twines parts 5 with respect to fixedly storage member 6 rotations.Described storage member 6 may comprise several portions to allow to change as required the diameter of storage member 6.As traditional air-jet loom yarn feeding device, a sensor device and/or an arrestment are connected to antetheca 3 or are connected to the wheel hub 7 integrally formed with antetheca 3.

Described yarn feeding device F is provided with a balloon breaker B, and this balloon breaker B specifically is shown as the infundibulate with a major diameter flange end 8, and this funnel surface 9 has the ridge radially 10 of different length to extend along funnel surface 9.The running position of balloon breaker B shown in described major diameter flange end 8 is arranged on is in the front of storage member 6 front ends, so that the axle of funnel is coaxial with the axle X of storage member 6 in fact.In the smaller diameter end 11 of balloon breaker B, be provided with a yarn treatment assembly 12, for example be entry nozzle and yarn guiding eyelet.A connector 13 is connected to the supply position of the inside 4 of a connection piece or housing 1 via a pipeline and/or cable 14.

Described balloon breaker B relies on permanent plant H to be fixed on operating position.Described permanent plant has an independent support arm A to be basically parallel to the X-axis extension.One diagonal joint K is fixed by clamp and the suitable permanent plant that preferably relies on unshowned shape is fixed to the end of support arm A.Described diagonal joint K has one to be basically perpendicular to an X, and in the embodiment shown, is basically parallel to the connecting axle Y on the plane that is limited by the top end opening of housing 1.In the operating period of yarn feeding device F, the top end opening of housing 1 is closed by unshowned cap seal.

In addition, described diagonal joint K has a linking arm 17 that is fixed to the major diameter flange end 8 of balloon breaker B.One starting element 18 is processed to knob with handles, starting element 18 helps to regulate the linking arm 17 have balloon breaker B between the off position of operating position and inclination, in Fig. 1 balloon breaker B off position be tilted to so that do not stop near the possible contact the storage member 6.

Support arm A be hollow and a pipe shape cross section is arranged, support arm A can be made by for example metal.Support arm A is inserted in the passage 20 of wheel hub 22 of housing antetheca 3 and in another passage 19, passage 19 with the integrally formed ridge 21 of housing sidewall 2 in.Be provided with a clamper element C between passage 19 and passage 20, this clamper element is penetrated this clamper element C by at least one and locatees in conjunction with the tension force screw rod 25 that enters in the housing sidewall 4.It is the part of the metal parts that two legs is arranged 24 of a U-shaped that one clamper element C is arranged in an illustrated embodiment.The head 27 (Fig. 2) of tension force screw rod 25 is inserted into for example in undercut groove 23 or dovetail groove that the inboard of housing sidewall 2 forms.Passage 20, passage 29, the clamper element C that has tension force screw rod 25 and groove 23 common compositions one are used for the slip permanent plant S of support arm A.In addition, one prevent that the structure R and the described slip permanent plant S that rotate are integrally formed to stop support arm A with respect to housing 1 rotation.In this case, as selection, support arm A forms the profile phase coupling of a section profile and the passage 19,20 that is shaped in view of the above, and the described matched shape that prevents that rotational structure from passing through between support arm A and passage 19,20 (not shown) realizes automatically.

Rely on tension force screw rod 25, clamper element C shown in clamping positions and the off-position between can be conditioned, clamping positions is the position that support arm A is fixed to housing 1, off-position (as Fig. 2) is the position that support arm A could be drawn out or push housing 1.The inner of support arm A limits a cable openings and/or pipeline tapping 15.Similar but sightless opening is arranged on another free end of the support arm A that passes diagonal joint K.Alternately, the other end can be closed by a plastic closure under the situation that is not provided with cable and/or pipeline.As further interchangeable embodiment, described closing cock and separately pipeline tapping and/or cable openings integrally formed (Fig. 2).

In the embodiment shown in fig. 1, described yarn treatment assembly 12 via a pipeline 14 with a unshowned equipment and/or be used for compressed-air actuated valve and be connected.Alternative or additional at least one cable that passes support arm A that is provided with.

Fig. 2 shows that described supporting component S and Fig. 1 described prevents rotational structure R.Clamper element C one has the part of the U-shaped profile components 24 of two legs.The leg of parts 24 defines a support portion 31 and a clamper portion 29.Described parts 24 can rely on tension force screw rod 25 to make it be pressed in the inboard of housing sidewall 2 with support component 31, and clamper element 29 is crushed on against the outside of support arm A simultaneously.Described tension force screw rod 25 has a head 27, and this head 27 penetrates groove shown in Figure 1 23.As another embodiment, tension force screw rod 25 can penetrate housing sidewall 2 and make that not opening housing just can contact head 27 to regulate clamper element C in hull outside.Lock nut 28 is used for clamper element C is compressed against the inboard and the support arm A of housing sidewall 2, and is also simultaneously tight against the wall pressure of passage 19,20 support arm.

In an illustrated embodiment, described prevent rotational structure R by at least one clamping protrusion 30 that is shaped on the clamper element 29 and in support arm A the groove or the groove 32 of corresponding longitudinal extension form.In unshowned another embodiment, described clamping protrusion 30 is arranged between two legs of parts 24.In another unshowned embodiment, the longitudinal groove that described tension force screw rod 25 can pass support arm A extends to and is used to prevent the parts that rotate.And the cooperation between protrusion 30 and groove or the groove 32 has avoided support arm A to be extracted in housing by casual.This is because the axial distance between the free end of the left-hand end of Fig. 2 further groove 32 and support arm A.Fig. 2 also illustrates the part that support arm A is a pipe 26.In Fig. 2, clamper element C is in the off-position.In order to locate balloon breaker B, described support arm A can be pulled outwardly out or inwardly push housing.Tension force screw rod 25 1 is tightened, and described support component 31 just is close to the inboard of housing sidewall 2, and clamper parts 29 are effectively pressed to the support arm A that has the clamping protrusion 30 that can stick into groove or groove 32 simultaneously.The clamper pressure of described clamper element C also presses inwall to passage 19, passage 20 to support arm A.

Fig. 3 shows the design of the diagonal joint K shown in Fig. 1.Section is consistent with connecting axle Y.Described diagonal joint parts 16 rely on screw 33 to be clamped on the support arm A.Can be provided with unshowned shape suitable components to improve the location of diagonal joint parts 16 on support arm A.Described linking arm 17 is connected on the connecting portion 16 by a screw rod 34.Described starting element 18 is fixed on the linking arm 17.Screw rod 34 is loaded into so that linking arm 17 is crushed on the connecting portion 16 by a spring 35.Be provided with the machinery 36 (ratchet machinery) of two circumference profile between linking arm 17 and connecting portion 16, this machinery defines operating position and at least one off position of balloon breaker B as shown in Figure 1.Screw rod 34 is connected with linking arm 17 by a cross pin 37 so that the screw rod 34 that is caused by starting element 18 and the rotation of linking arm 17 will make balloon breaker move around connecting axle Y.

In addition, the free end that Fig. 3 shows support arm A can be sealed by a closing cock 38, and closing cock can be made of plastics.Must insert under the situation of cable and/or pipeline, closing cock 38 can contain opening 39.Under the situation that does not have cable and/or pipeline, the end that closing cock 38 can the complete closed support arm.

Claims

1. a yarn feeding device (S), yarn feeding device especially for the nozzle loom, comprise a housing (1) that is used to support storage member (6), one balloon breaker (B), this balloon breaker (B) axially is arranged in a straight line with storage member (6) on permanent plant (H) and is connected with storage member (6) work, permanent plant (H) comprise one be connected to housing (1) hollow and at least with storage member (6) the axle (X) substantially parallel extension support arm (A), balloon breaker (B) is installed on the support arm (A) by adjustable ground, it is characterized in that, balloon breaker (B) is connected to an end of support arm (A) reliably, the other end of support arm (A) passes the inside (4) that the interior shell channel (20) of housing antetheca (3) enters housing (1), support arm (A) but the other end be fixed on the interior slip permanent plant (S) of housing (1) by axial adjustment ground, this slip permanent plant (S) be provided with one be used for support arm (A) prevent rotating mechanism (R), and support arm (A) has at least one cable openings and/or pipeline tapping (15,39) at least one end.

2. yarn feeding device according to claim 1 is characterized in that, an adjustable diagonal joint (K) is located between support arm (A) and the balloon breaker (B), described diagonal joint (K) have one be basically perpendicular to the axle (X) sloping shaft (Y).

3. yarn feeding device according to claim 2, it is characterized in that, described diagonal joint (K) comprises that a shaft coupling mechanism (M) defined around sloping shaft (X), and operating position and at least one balloon breaker of balloon breaker (B) and storage member (6) co-axial alignment off position that can leave storage member (6) from the rotation of operating position side direction.

4. yarn feeding device according to claim 3 is characterized in that, described shaft coupling mechanism (M) is provided with the manual adjustments element (18) that is used for regulating respectively shaft coupling mechanism (M) between operating position NOT-AND operation position.

5. yarn feeding device according to claim 1, it is characterized in that, described slip permanent plant (S) is included in the support arm passage (19,20) at two axial intervals in the housing and the clamper element (C) that can regulate between two support arm passages between off-position and clamping positions.

6. yarn feeding device according to claim 5 is characterized in that, described clamper element (C) can be regulated in the inside (4) of housing (1).

7. yarn feeding device according to claim 5 is characterized in that, described clamper element (C) can be from the outside dismounting and the adjusting of housing (1).

8. yarn feeding device according to claim 1 is characterized in that, the described rotating mechanism (R) that prevents is located between clamper element (C) and the support arm (A).

9. yarn feeding device according to claim 5, it is characterized in that, described clamper element (C) is one to be provided with near inboard support component (31) of housing sidewall (2) and the U-shaped parts (24) near the clamper parts (29) of support arm (A), and be provided with the tension force screw rod (25) of an adjusting clamper element (C), tension force screw rod (25) is inserted in the clamper element (C) between support component and the clamper parts, to insert housing sidewall (2).

10. yarn feeding device according to claim 9 is characterized in that, described tension force screw rod (25) has a head (27) that is inserted in the dovetail groove of groove (23) or housing sidewall (2).

11. yarn feeding device according to claim 9 is characterized in that, described tension force screw rod (25) penetrates housing sidewall (2) so that tension force screw rod (25) is detachable in the outside of housing sidewall (2).

12. yarn feeding device according to claim 8 is characterized in that, described clamper parts (29) have an engaged element (30) to be engaged in the axially extended groove (32) of support arm (A), preferably in the axially extended groove of support arm (A).

13. yarn feeding device according to claim 12, it is characterized in that, described axially extended groove or groove (32) have the free end of an end away from support arm (A), and cooperating of the end of this end and clamper element (30) and groove or groove limits one of support arm (A) and pull out blocking portion.

14. yarn feeding device according to claim 1 is characterized in that, at least one cable openings and/or pipeline tapping (39) are provided with the free-ended closing cock (38) of an insertion support arm (A), preferably are provided with a cable/conduit hermetically-sealed construction.

15. yarn feeding device according to claim 1, it is characterized in that, at least one cable and/or the pipeline (14) that are located at the downstream of balloon breaker (B) or balloon breaker (B) connect at least one electronic or pneumatic function element (12), for example, one entry a nozzle or a yarn lock inserts support arm (A) and passes the inside (4) that support arm (A) extends to housing (1) from the downstream.

16. yarn feeding device according to claim 1 is characterized in that, support arm (A) is a pipe (26).

17. yarn feeding device according to claim 2, it is characterized in that, described diagonal joint (K) clamp is in the outside of support arm (A), and preferably the suitable shape that can firmly assemble is to prevent rotation and/or axial displacement between support arm (A) and diagonal joint (K) relatively.

18. according to the described yarn feeding device of above-mentioned arbitrary claim, it is characterized in that, one sensor element and/or one stops element to be arranged on the housing antetheca (3) that links to each other with the periphery of storage member (6) on the structure, described shell channel (20) is positioned at housing antetheca (3) and proximity sense element and/or stops the housing sidewall (2) of element one side, and diagonal joint (K) comprises that one is positioned at the linking arm (17) of support arm (A) towards axle (X) side of storage member (6), and described linking arm (17) is installed on the balloon breaker (B).