CN102556760A

CN102556760A - Workstation of a winding machine

Info

Publication number: CN102556760A
Application number: CN2011103172631A
Authority: CN
Inventors: 赫尔穆特·科伦; 亚历山大·***
Original assignee: Oerlikon Textile GmbH and Co KG
Current assignee: Saurer Spinning Solutions GmbH and Co KG
Priority date: 2010-10-23
Filing date: 2011-10-18
Publication date: 2012-07-11
Anticipated expiration: 2031-10-18
Also published as: DE102010049435A1; CN102556760B; EP2444346A2; JP5871560B2; EP2444346A3; EP2444346B1; JP2012091934A

Abstract

The invention relates to a workstation (1) of a winding machine (2). The workstation (2) is used for winding yarns (30) from an unwinding spool (9) to a winding spool (11), and has a holding device (23, 23A, 23B) arranged adjacent to a thread run between the unwinding spool (9) and the winding spool (11) for holding thread loops. The holding device (23, 23A, 23B) has a plurality of collecting elements (43,44,51) arranged at a distance to the thread run, where the collecting elements are turned opposite to a running direction (F) of thread (30).

Description

The station of bobbin-winding machine

Technical field

The present invention relates to a kind of station of bobbin-winding machine, said station is used for yarn is wound to the doff bobbin from unwinding cheese, and wherein, and the thread path between unwinding cheese and the doff bobbin is adjacent to be provided with the yarn coil trap setting.

Background technology

DE 38 43 553 A1 that constitute the above-mentioned type disclose a kind of winding position, it with yarn from incidental looping to intersecting winding bobbin.This winding position has yarn coil and straightens one out and ease out his anxiety mechanism.Its task is; Before the yarn coil and the arrival yarn stretching device that curls also possibly cause yarn breakage there; Perhaps its arrive yarn clearer and always cause the yarn clearer cutting there and and then cause reel interrupt before, untie especially the yarn coil that hour occurs at yarn tension and curl.

Yarn coil is straightened one out and eased out his anxiety mechanism and is had two closing and the arms that separate each other, but said arm constitutes the overlapping plate of scissor.The otch at concave edge portion through plate and the center through being separately positioned on concave edge portion forms Yarn guide mechanism under closure state.The yarn coil that plate is formed for moving from bottom to top with yarn at closure state, the stop surface that curls etc.

Disclose this yarn coil in the prior art and straightened one out and eased out his anxiety many embodiments of mechanism, they also are called as preparatory yarn clearer.

The open DE-OS 27 05 080 of German patent application discloses a kind of yarn folder, and it has the adjustable yarn line of rabbet joint as preparatory yarn clearer.Through regulating the cross-sectional plane of the yarn line of rabbet joint, can adapt to the fiber number of the yarn of being processed.Under by the situation of the yarn of tieing, so adjust the cross-sectional plane of preparatory yarn clearer, so that tieing can pass through in the clear.

If unwinding cheese by high-speed unwinding, is then always run into following situation, promptly several yarn coils or whole thread layers (that is, a plurality of yarn coils compile body) are takeoff from unwinding cheese.The latter especially appear at loose winding around or by the cop situation of decatize under.Thread layers is formed yarn group at this moment.Yarn coil can be untied by known preparatory yarn clearer in many cases.But following situation also occurs, yarn coil or agglomerate are pulled through preparatory yarn clearer.When the cross-sectional plane of the preparatory yarn clearer that respective settings is big under the yarn situation at tieing, it is more serious that problem becomes.Yarn coil or agglomerate are generally by being arranged on the yarn clearer identification in the thread path and causing that yarn clearer cuts off.Even when between shutoff signal and actual yarn clearer cut off when rest time of system's decision is in the Millisecond scope, still can't stop yarn group to be put on the doff bobbin cutting off constantly channels and collaterals under the high-speed winding situation.Yarn group make by suction nozzle admit the yarn that is wound up on the doff bobbin with so that carry out yarn and be connected and become difficult.If the yarn of having reeled can't be caught by suction nozzle, then need the operating personal manual intervention.

In addition, can be along thread path hook or remain on the fragile part of winding position undesirably by the yarn coil of " in advance " cleaning, thereby cause these parts impaired.Such fragile part for example is that guide refers to, it back and forth moves back and forth before the doff bobbin, so that the yarn shop is put on the doff bobbin.Such guide refers to for example open by DE 102,007 043 310 A1.

Summary of the invention

Therefore, task of the present invention is to prevent that yarn coil from directly moving on the doff bobbin.

According to the present invention, this task will be accomplished through the characteristic characteristic of claim 1.Favourable improvement project of the present invention is the theme of dependent claims.

In order to accomplish this task, the yarn coil trap setting is to keep mode at interval to have a plurality of yarn spares of catching, said direct of travel of catching yarn spare in face of yarn with thread path.

Through catching the separation of yarn spare, this device is not worked in normal winding process, and yarn can be wound to the doff bobbin from unwinding cheese in the clear.Have only when yarn coil when unwinding cheese takeoffs, yarn coil is just so caught by this device, that is, always stick up the yarn coil hook that or remain on from the normal yarn mobile route and catch on the yarn spare.Occur subsequently breaking, and the yarn ends that is torn can be not interrupted and the parts of the winding position that is safe from harm, and is wound up on the doff bobbin.The yarn of being reeled subsequently, can successfully be caught and can form yarn and connect by suction nozzle.Through catching the spacing of yarn spare, can regulate which yarn coil and be hunted down.Therefore less yarn coil can pass through in the clear, is untied so that perhaps on the yarn direct of travel, connect the preparatory yarn clearer that is located at the back.

Catching yarn spare preferably constitutes with the form of protruding member.According to advantageous manner, catch yarn spare and point to the direction that is parallel to thread path.

According to first embodiment, catch yarn spare and constitute jaw.This jaw for example can be opened in the sheet metal.Such sheet metal is placed in the opposite sides thereof of thread path subsequently.

According to another embodiment, catch yarn spare and constitute straight pin.This pin is simple relatively aspect process technology.In addition, the structure of sharp-pointed seamed edge can be realized not having, thereby yarn impaired of pin can be avoided in the yarn disposal process, touching because of carelessness.

According to advantageous manner, straight pin is that centres is arranged with the thread path.Therefore, guaranteed reliably catching of yarn coil.

When the straight pin side face was parallel to the thread path layout, this structure was very favorable.

According to an improvement project of the present invention, be provided with the mechanism that is used to siphon away the yarn coil of catching.In this way, can siphon away the remaining yarn that behind yarn breakage, possibly also exist.

Advantageously, the mechanism that is used to siphon away the yarn coil of catching is constituted as the clamp yarn cop that can be imposed negative pressure, and this clamp yarn cop is configured to admit the yarn under working of extracting out from unwinding cheese simultaneously.In this embodiment, the clamp yarn cop that just had originally in principle can siphon away presumable remaining yarn from this device, thereby need not be used to siphon away the additional mechanism providing additional operation of yarn coil.

In addition, particularly advantageously be, the yarn coil trap setting is arranged on below the yarn stretching device, and this yarn stretching device is configured for clamping the yarn under working of extracting out from unwinding cheese.Such yarn stretching device generally is placed in because of its function near the interior perhaps unwinding cheese of underside area of thread path.Therefore, the yarn stretching device is the first that possibly receive yarn coil injury at large in the thread path.In other words, when being placed in the below of yarn stretching device, these parts that can this station of reliably protecting.

Description of drawings

Below will combine embodiment shown in the drawings to specify the present invention, wherein:

Fig. 1 illustrates the station of the present invention that has the yarn coil trap setting;

Fig. 2 illustrates first embodiment of yarn coil trap setting;

Fig. 3 illustrates second embodiment of yarn coil trap setting.

The specific embodiment

Fig. 1 schematically illustrates the station 2 of the bobbin-winding machine 1 (being so-called automatic cross-winding bobbin winder in the present embodiment) in winding process with lateral plan.This automatic cross-winding bobbin winder 1 has a plurality of identical stations 2, so-called winding position between its terminal frame (not shown).

On these winding positions 2, as also thereby explaining in detail as everyone knows, feeding bobbin (being the cop of on ring spinner, producing and only have few relatively thread material 9 as the one of which) is become the cross winding bobbin 11 of large package by the rewinding after-combustion.The good cross winding bobbin 11 of coiling is delivered to along the cross winding bobbin conveying mechanism 21 of machine length and be transported to and be located at the distolateral bobbin point of shipment of machine etc. by the attending device (for example cross winding bobbin creeling device) of automatic work subsequently.

In addition, this automatic cross-winding bobbin winder or be equipped with the circular bobbin magazine that can stock cop, or cross-winding bobbin winder has the logistics logistics facility that is bobbin bobbin conveying system 3 forms automatically.In such bobbin bobbin conveying system 3, cop 9 or bare bobbin 34 circulating motions, they are placed on the transfer dish 8 with being vertically oriented.Only show bobbin conveying system 3 cop supply section 4, can reverse the memory paragraph 5 of driving, the lateral transfer section 6 and the bobbin loopback section 7 of leading to winding position 2.As shown in the figure, the cop of being supplied at first is located on the unwinding position 10 that is on the winding position 2 in lateral transfer section 6 zones for 9 this moments, subsequently by after-combustion.Yarn 30 moves along arrow F direction when reeling.Each station 2 for this reason as well-known and thereby only signal have various yarn monitorings and processing mechanism with mentioning; They guarantee that not only cop 9 can be become the cross winding bobbin 11 of large package by the rewinding after-combustion; And guarantee that yarn 30 is monitored in the rewinding process whether the yarn defect is arranged, and dispose detected yarn defect.Each station 2 has control mechanism 40, and it is through only illustrating the control path of mentioning to be connected with yarn monitoring and processing mechanism.

Station 2 for example has the wind2 24 that comprises bobbin bank 18 respectively, can the rotate moving axis 19 motion supporting and be equipped with bobbin driver train 26 and yarn transversing mechanism 28 of this bobbin bank.

In an illustrated embodiment, cross winding bobbin 11 drives with driven roller 26 and the driven rolls friction that reclines of its surface in winding process.Driven roller 26 is driven by the reversible type actuating device (not shown) of rotating speed adjustable at this moment.Yarn 30 realizes by yarn transversing mechanism 28 that winder traversing when intersecting winding bobbin 11 this yarn transversing mechanism has guide in the present embodiment and refers to 29.

In addition, winding position 2 has yarn bindiny mechanism, is preferably pneumatic type splicing mechanism 13, yarn stretching device 14, the yarn clearer 15 that has yarn shoutoff mechanism 17, yarn tension sensor 20 and waxing mechnism 16.Before being in yarn stretching device 14 on the yarn direct of travel (just, see from operative employee's angle be positioned at yarn stretching device 14 belows), be provided with preparatory yarn clearer 22 and yarn coil trap setting 23.Here, device 23 is positioned at preparatory yarn clearer 22 fronts on the yarn direct of travel.

In addition, winding position 2 is equipped with the suction nozzle 12 that can swing and the clamp yarn cop 25 that can swing, and both can be imposed negative pressure by as prescribed.At this, suction nozzle 12 and clamp yarn cop 25 are connected to the negative pressure crossbeam 32 along machine length of automatic cross-winding bobbin winder 1, and this negative pressure crossbeam is connected with negative pressure source 33 again.The yarn that utilizes suction nozzle 12 to catch to be wound up on the cross winding bobbin 11 and this yarn sent in splicing mechanism 13 zones.Clamp yarn cop is configured to admit the yarn that is maintained in the yarn stretching device 14 and also this yarn is sent in the splicing mechanism 13.

Fig. 2 illustrates the first embodiment 23A of yarn coil trap setting 23.For the purpose of clear, details around other of winding position 2 is not shown.Outside device 23A, yarn 30 and direct of travel F thereof only are shown.Device 23A has the

sheet metal

41,42 of two bendings.In each

sheet metal

41,42, offer a plurality of jaws 43,44.These

sheet metals

41,42 location are arranged in the opposite sides thereof of thread path, so that

jaw

43,44 points to the direction that is parallel to thread path and in face of the direct of travel F of yarn 30.The

sheet metal

41,42 of device 23A can be directly installed on unshowned preparatory yarn clearer 22 belows, perhaps otherwise is fixed on this winding position.For fixing, can adopt a plurality of

holes

45,46.

Fig. 3 illustrates the second embodiment 23B of device 23.Except that yarn 30 and direct of travel F thereof, other details of winding position is not shown still here.In the present embodiment, device 23B always has four straight pins 51.They are fixed on the plate 50 that is provided with perpendicular to thread path around opening 52.Yarn 30 is directed passing this opening.In this way, straight pin 51 is that centres is arranged with the thread path.These straight pins 51 are vertically mounted on the plate 50 or plate 50 times, arrange thereby its side face is parallel to thread path.In order to catch yarn coil, these straight pins 51 are in face of the direct of travel F of yarn.

In normal winding process, device 23 lets yarn unhinderedly pass through.Device 23 can not touch little kink or coil.Kink that these are little or coil can be straightened one out and eased out his anxiety by preparatory yarn clearer 22.As substituting of preparatory yarn clearer 22, also can use preparatory rake to remove mechanism, it also can straighten one out and ease out his anxiety this yarn coil.For this reason,

jaw

43,44 or straight pin 51 are to be provided with the mode of thread path at a distance of suitable distance.Have only when bigger yarn coil or whole thread layers occurring and " jump out of " cop, it is just caught by

jaw

43,44 or straight pin 51.The yarn coil hook is lived, and occurs breaking.The yarn ends of fracture is shifted to cross winding bobbin 11 subsequently, and can be caught easily to produce new yarn connection by suction nozzle 12.The remaining yarn that possibly still hang in the yarn coil trap setting 23 can be siphoned away by clamp yarn cop 25 easily.

Claims

1. the station (2) of a bobbin-winding machine (1), said station is used for yarn (30) is wound to doff bobbin (11) from unwinding cheese (9),

Wherein, with and the adjacent mode of thread path between said unwinding cheese (9) and the said doff bobbin (11) of being positioned at be provided with yarn coil trap setting (23,23A, 23B),

It is characterized in that,

Said yarn coil trap setting (23,23A, 23B) is to keep mode at interval to have a plurality of yarn spares (43,44,51) of catching, said direct of travel (F) of catching yarn spare in face of said yarn (30) with said thread path.

2. station according to claim 1 (2) is characterized in that, the said yarn spare (43,44,51) of catching points to the direction that is parallel to said thread path.

3. station according to claim 1 (2) is characterized in that, the said yarn spare of catching constitutes jaw (43,44).

4. station according to claim 3 (2) is characterized in that, said jaw (43,44) is opened in the thin plate (41,42), and is respectively equipped with such thin plate (41,42) in the opposite sides thereof of said thread path.

5. station according to claim 1 is characterized in that, the said yarn spare of catching constitutes straight pin (51).

6. station according to claim 5 is characterized in that, said straight pin (51) is that centres is arranged with said thread path.

7. according to claim 5 or 6 described stations, it is characterized in that the side face of said straight pin (51) is parallel to said thread path setting.

8. according to the described station of one of aforementioned claim, it is characterized in that, be provided with the mechanism (25) that is used to siphon away the yarn coil of catching.

9. station according to claim 8 is characterized in that, the said mechanism (25) that is used to siphon away the yarn coil of catching constitutes the clamp yarn cop (25) that can be imposed negative pressure, and said clamp yarn cop is constructed for admitting the yarn under working of extracting out from said unwinding cheese simultaneously.

10. according to the described station of one of aforementioned claim; It is characterized in that; Said yarn coil trap setting (23,23A, 23B) is arranged on yarn stretching device (14) below, and said yarn stretching device is constructed for clamping the yarn under working of extracting out from said unwinding cheese (9).