CN101268001B - Method for operating a workstation of a textile machine that produces crosswound bobbins - Google Patents

Method for operating a workstation of a textile machine that produces crosswound bobbins Download PDF

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Publication number
CN101268001B
CN101268001B CN2006800340149A CN200680034014A CN101268001B CN 101268001 B CN101268001 B CN 101268001B CN 2006800340149 A CN2006800340149 A CN 2006800340149A CN 200680034014 A CN200680034014 A CN 200680034014A CN 101268001 B CN101268001 B CN 101268001B
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Prior art keywords
yarn
yarn tension
bobbin
station
computing machine
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CN2006800340149A
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CN101268001A (en
Inventor
迈克尔·伊丁
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Lida Automatic Winder Co ltd
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Oerlikon Textile GmbH and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/20—Co-operating surfaces mounted for relative movement
    • B65H59/22—Co-operating surfaces mounted for relative movement and arranged to apply pressure to material
    • B65H59/24—Surfaces movable automatically to compensate for variation in tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to excessive tension or irregular operation of apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Winding Filamentary Materials (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Abstract

The invention relates to a method for operating a workstation of a textile machine that produces crosswound bobbins. Said station comprises a bobbin drive, whose speed can be regulated in order to adjust the winding speed of the crosswound bobbin, a thread tensile force sensor, which is connected to a workstation computer, for monitoring the thread tensile force of a thread that is supplied from a feed bobbin and a thread tensioner for regulating the thread tensile force. According to the invention, a value for a desired thread tensile force (FZKSoll) and a value (TG) for a permitted proportional deviation from the desired thread tensile force (FZKSoll) can be entered into the workstation computer (32). The workstation computer (32) can instantly suspend the winding process and trigger an alarm if the permitted proportional deviation from the desired tensile force (FZKSoll) is exceeded.

Description

The method of the station of the spinning machine of operation production dye bobbin
Technical field
The present invention relates to a kind of method of operating the station of the spinning machine of producing cross winding bobbin.
Background technology
Produce the spinning machine of cross winding bobbin, for example the cross winding spinning machine has been known for a long time by people automatically.The automatic cross winding spinning machine of this type has many similar stations to be the adjacent arrangement of row usually, and these stations have different yarn treatment or yarn monitoring device respectively.Respectively by station computer controlled and monitoring, each station computing machine also links to each other by the Central Processing Unit (CPU) of device bus with automatic cross winding spinning machine usually at these yarn treatment or control monitor unit.
For example by bobbin and spool delivery system, thread material is transported to the station of automatic cross winding spinning machine and removed therefrom.Yarn feeding bobbin (normally spinning cop or empty spool) vertically stands on the transfer dish, rotates in bobbin and spool delivery system.
Yet this spinning machine can replace bobbin and spool delivery system with the bobbin magazine that is exclusively used in station.This bobbin magazine preferable configuration that is exclusively used in station is so-called annular bobbin magazine, and it is equipped with by hand by the operator.
In addition, such automatic cross winding spinning machine can have a service unit of supply station automatically.Such service unit, for example so-called cross winding bobbin changer, remove the cross winding bobbin of finishing from the bobbin bank of station, length direction along machine is transported to feedway with them, this feedway is transported to the transfer station of machine end with cross winding bobbin, and new empty spool is packed in the bobbin bank of corresponding station.
On the cross winding bobbin of yarn being recoiled more yarns from the spinning spool of small size the time, yarn is scanned to seek yarn faults, and detected defective will be removed.The yarn of operation is also monitored by yarn tension sensor during recoiling, and by the yarn tensioner yarn tension is remained on predeterminated level.This means,, regulate the yarn tension of the constant of moving yarn by the yarn tensioner in order to guarantee the even coiling of the yarn on the cross winding bobbin.
The yarn tension sensor that detects the actual yarn tension of moving yarn can for example be known from DE 41 29 803 A1.In the case, yarn tension sensor carries out the measurement of yarn tension to moving yarn, and provides actuated signal to the yarn tensioner, and how many yarn tensioners applies a bit bigger effect of pullling according to actuated signal to moving yarn.
For this purpose, for example disclosed such yarn tensioner has a thread brake in DE 41 30 301 A1, and it can be by variable pressure actuated.Yarn tension sensor is wound up on the take-up package with the yarn tension of determining with having guaranteed yarn cooperating of yarn tensioner well.This means that the yarn tensioner is opened the increase with the compensation yarn tension a little when yarn tension sensor sends the signal of yarn tension increase.
Therefore, when yarn tension sensor sent the signal that yarn tension reduces, the yarn tensioner cut out a little.
Yet, in automatic cross winding spinning machine operating period, also the critical operation state can appear, and the above-mentioned mutual action in this state between yarn tension sensor and the yarn tensioner carries out no longer smoothly.
If disclosed as DE 198 48 881 A1, with the removing of yarn faults, particularly after the process of splicing, yarn is stumbled on spinning spool, although the yarn tensioner is opened, the yarn tension of yarn also can sharply increase.According to DE 198 48 881 A1, the yarn that is stumbled is detected and is removed like this, promptly, in case the top yarn has been connected to the bottom yarn, then detect the yarn tension that produces, and in the station computing machine, handle the value that records, like this when the value of going beyond the limit of by yarn tension sensor, the expression yarn is stumbled, and the supply drum-changing device of corresponding station activated so that " changing the supply bobbin " then.
For example, if the yarn in yarn tensioner zone is not to move between brake plate, in other words, when yarn by brake plate or in the front of brake plate or during the back, also have another kind of critical operation state.Because the recoil process is not influenced by this directly, so this misguidance of yarn can be found immediately.Yet this wrong control of yarn tension can cause the mistake of bobbin to be batched, and makes that usually coiling is too loose.
For fear of this serviceability, DE 199 05 860 A1 disclose a kind of method, the contact pressure of the yarn tension regulation yarn tensioner that records according to yarn tension sensor of station computing machine wherein, the contact pressure that this is predetermined is compared with predetermined contact pressure limit, if and in preset time length, reach or exceeded this limit, will interrupt winding process.
When producing dye bobbin (it is known to be to reel with very low yarn tension), also such situation can take place, that is, the yarn tensioner is opened fully and yarn tension still is higher than expected value.In the case, the station computing machine can guarantee winding speed, the also therefore yarn tension reduction in addition at corresponding station place really, but, therefore can not always guarantee, and can not always guarantee fast enough that mainly yarn tension always is adjusted to expected value because system works is slow relatively.Inferior-quality cross winding bobbin is exactly that such critical operation state causes usually, and the reduction of these intersected coiled bobbin protonatomic masses can not found usually at once.
Summary of the invention
Based on the above-mentioned type station and their method of operation, target of the present invention is a kind of method of exploitation, uses this method can guarantee the particularly high winding quality of dye bobbin of cross winding bobbin reliably.
This target is realized by the method for the feature with first aspect present invention.
Favourable configuration of the present invention is the theme of others of the present invention.
Because target yarn tension value and allowance deviation ratio value can be input in the station computing machine, therefore but whether the on-line monitoring of station computing machine meets these values, under the situation that unallowed deviation occurs, automatically winding process is interfered immediately and trigger siren horn, this has guaranteed only generating the cross winding bobbin of yarn tension in the allowance deviation scope during the whole coiling.By producing alerting signal, also indicated at corresponding station place to have abnormal situation, and it is suitable for reminding the inspection station.
As described in second aspect present invention, a preferred implementation also is provided, wherein can set a time span in the station computing machine, this time span is can exist not allow the time span that exceeds or be lower than the yarn tension situation before interrupting winding process and triggering siren horn.In other words, for example according to the application target subsequently of thread material or cross winding bobbin, the operator can set the station computing machine separately and with speed how soon detected yarn tension be exceeded predetermined tolerance limit and react.
As described in third aspect present invention, the reaction time that system can set is between 0.1 second and 5 seconds.In actual tests, prove about 1 second reaction time advantageous particularly.
As described in fourth aspect present invention, when yarn tension reaches in the length at the fixed time or exceeds tolerance limit, the cut-out yarn that the station computer starting is controlled.Winding process temporarily by the yarn of this mode cut off interrupt, this stops at an easy rate and the thread layers too tight or too loose cross winding bobbin of partly reeling occurs having.
In addition, as described in fifth aspect present invention, also can trigger siren horn, the alert operator station is operated with wrong way like this.
Description of drawings
The present invention introduces the present invention in more detail by means of embodiment shown in the drawings, in the accompanying drawings:
Fig. 1 illustrates the lateral plan of a station producing the cross winding bobbin spinning machine;
Fig. 2 illustrates the scheme drawing of the station computing machine of a doff head, and this doff head links to each other with a warning device with a yarn tension sensor, a yarn tensioner, a wire-cutting device.
The specific embodiment
Fig. 1 shows the lateral plan of the station 10 of the spinning machine 1 of producing cross winding bobbin.Such spinning machine is called as automatic cross winding spinning machine, and it has such station 10 of many adjacent arrangements, and yarn feeding bobbin 12 particularly spinning cop is recoiled to form the cross winding bobbin 14 of large volume on this station 10.
In the case, the station 10 that spinning cop 12 arrives separately by feedway 16, this feedway itself comprises a lot of delivery areas as known like that, and these delivery areas are indicated no longer in detail, are placed in conveying on the transfer dish 20 at spinning cop 12 on these delivery areas or empty spool 18.As shown in Figure 1, yarn 22 is drawn out from the spinning cop 12 that is arranged on the winding position I, at first through a bottom Yarn senser 28, this sensor 28 links to each other with station computing machine 32 by signal wire (SW) 30 this yarn on the path of its arrival cross winding bobbin 14.For example after yarn breakage or controlled yarn cut off, whether test section yarn 34 existed this bottom Yarn senser 28 before beginning to search for the top yarn.Arranged a yarn tensioner 36 on bottom Yarn senser 28, as shown in Figure 2, this tensioner has two yarns 22 to operation to apply the brake plate 4,5 of contact pressure.This yarn tensioner 36 also is connected on the station computing machine 32 by control line 38.
Yarn clearer 44 is arranged on the more distant positions of yarn operating path and measures yarn faults.By continuous monitoring, the signal of yarn clearer 44 is transfused to station computing machine 32 to be used for evaluation by signal wire (SW) 48 to the quality of moving yarn by yarn clearer 44.When yarn faults occurring, wire-cutting device 52 is started by control line 50 by station computing machine 32, thereby yarn 22 is cut off.
At the yarn service direction, yarn tension sensor 54 and waxing attachment 46 behind yarn clearer 44, have also been arranged.
Yarn tension sensor 54 here also is connected on the station computing machine 32 by signal wire (SW) 56.During operating winding, the yarn tension of yarn tension sensor 54 continuous monitoring moving yarns 22, according to the yarn tension signal that yarn tension sensor 54 provides, yarn tensioner 36 is activated by station computing machine 32.In other words, the brake plate of yarn tensioner 36 4,5 acts on yarn 32 with certain contact pressure, and this contact pressure guarantees to be adjusted at moving yarn 22 places the yarn tension of constant, and this assurance can be produced the cross winding bobbin 14 with even package density.
Yarn 22 arrives on for example so-called thread guide drum 60 by thread-carrier 58, and this thread guide drum 60 guarantees yarn 22 lateral offset under the coiling pattern of " reeling at random ", and thread-carrier 58 is being followed after waxing attachment 46 on the yarn service direction at last.Cross winding bobbin 14 is rotatably installed on the bobbin bank 6 by spool (not being shown specifically), these bobbin bank 6 rotor ground are installed, in the case, the outer surface of cross winding bobbin 14 is pasting thread guide drum 60, and this thread guide drum 60 is driven and passes through frictional engagement by a separate electrical motor and drives cross winding bobbin 14.
Also can outside the yarn operating path of routine yarn joiner 40 be set, this yarn joiner 40 also is connected on the station computing machine 32 by signal wire (SW) 42.
Station 10 also has suction nozzle 7 and grasps pipe 8.Here, grasp and manage the 8 bottom yarns that are used for catching from spinning cop 12 under the situation that controlled yarn cut-out or yarn breakage take place above the yarn tensioner, this bottom yarn remains in the yarn tensioner 36 usually.
Suction nozzle 7 is used for receiving the top yarn that runs on the cross-wound bobbin 14.
The schematically illustrated station computing machine 32 of Fig. 2 and with the interconnecting of yarn tensioner 36, yarn tension sensor 54, wire-cutting device 52 and warning device 11.
The only very schematically illustrated yarn tensioner 36 of Fig. 2 itself is known, for example in DE 41 30 301 A1 detailed description is arranged.
Preferred for example adopt also from DE 41 29 803 A1 known device as yarn tension sensor 54.The wire-cutting device that can activate with electric power as Reference numeral 52 indications also is the prior art in spinning machine field already.Common this device has a blade that can be drawn out in the target mode by electromagnet, and when electromagnet was switched on, this blade was compressed against on the retainer, and cuts off reliably through blade fwd yarn in operation.
In this embodiment, station computing machine 32 has yarn tension expected value sensor 13, yarn tension limit sensor 15, comparator 19, controller 17 and for example be integrated in timing element 21,23 in the comparator 19, this computing machine is connected with yarn tension sensor 54 by signal wire (SW) 56, is connected with yarn tensioner 36 by actuation wire 38, be connected with wire-cutting device 52 by actuation wire 50, be connected with warning device 11 by signal wire (SW) 31.Also as shown in Figure 2, yarn tension expected value sensor 13 can provide yarn tension expected value FZK to comparator 19 by signal wire (SW) 24 Desired, and limit sensor 15 can provide corresponding limit TG to comparator 19 by signal wire (SW) 27.
Triggering the allowance deviation time span ZS that should experience before wire-cutting device 52 and the warning device 11 at comparator 19 through controller 17 preferably also can be set by limit sensor 15.
The method according to this invention is worked like this:
In the recoil process, run to cross winding bobbin from the yarn 22 of supplying unwinding on the cop 12 along its path, specifically, between the brake plate 4 and 5 of yarn through yarn tensioner 36.By setting the contact pressure of brake plate 4,5, guaranteed that herein yarn 22 is wound up on the cross winding bobbin 14 with substantially invariable yarn tension.During whole coiling, yarn tension is by yarn tension sensor 54 on-line monitorings.The yarn tension actual value FZK of corresponding mensuration ActualIn comparator 19 with yarn tension expected value FZK DesiredRelatively, this expected value is set by yarn tension expected value sensor 13.The mouth of comparator 19 is connected with controller 17, and this controller has guaranteed that required contact pressure is arranged all the time on yarn tensioner 36.Control signal corresponding is corresponding to the specific contact pressure of the brake plate 4,5 of yarn tensioner 36 herein.Determined yarn tension actual value FZK ActualAlso in comparator 19, compare with the limit TG that determines by limit sensor 15.
If comparator 19 was determined between its comparable period, the yarn tension actual value FZK in the schedule time length ZS ActualReached or exceeded limit TG, then wire-cutting device 52 activated by actuation wire 50, thereby the yarn 22 of operation is cut off.And warning device 11 is activated by signal wire (SW) 31, and relevant station 10 shuts down.

Claims (4)

1. method that is used to operate the station of the spinning machine of producing dye bobbin, described station has: the bobbin actuator of controlled speed, it is used to set the winding speed of dye bobbin; With the yarn tension sensor that the station computing machine links to each other, it is used for during whole recoil the yarn tension of the yarn that monitoring comes out from the feeding bobbin; And the yarn tensioner that is used for controlling yarn tension; The method is characterized in that, can target setting yarn tension value (FZK on station computing machine (32) Desired), depart from described target yarn tension value (FZK Desired) allowance deviation ratio value (TG) and one before the recoil process is interrupted, can exist and not allow and exceed described target yarn tension value (FZK Desired) time span (ZS) of situation, and, when in preset time length (ZS), reaching or exceeding described target yarn tension value (FZK Desired) allow plussage the time, the controlled yarn of described station computing machine (32) beginning cuts off.
2. method according to claim 1 is characterized in that, preset time length (ZS) is between 0.1 second and 5 seconds.
3. method according to claim 1 is characterized in that, when reaching in preset time length (ZS) or exceeding described target yarn tension value (FZK Desired) allow plussage the time, described station computing machine (32) triggers siren horn.
4. method according to claim 2 is characterized in that, preset time length (ZS) is about 1 second.
CN2006800340149A 2005-09-24 2006-09-07 Method for operating a workstation of a textile machine that produces crosswound bobbins Active CN101268001B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005045789.4 2005-09-24
DE200510045789 DE102005045789A1 (en) 2005-09-24 2005-09-24 Method for operating a workstation of a textile machine producing cross-wound bobbins
PCT/EP2006/008722 WO2007033771A1 (en) 2005-09-24 2006-09-07 Method for operating a workstation of a textile machine that produces crosswound bobbins

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CN101268001A CN101268001A (en) 2008-09-17
CN101268001B true CN101268001B (en) 2011-10-26

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JP (1) JP5124465B2 (en)
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WO (1) WO2007033771A1 (en)

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DE102007018657A1 (en) * 2007-04-20 2008-10-23 Oerlikon Textile Gmbh & Co. Kg Bobbin winding machine for textile machine, has thread traction sensors connected to controller of workstation and arranged in thread route of thread line formed by two monofilaments, which are wound by separate supply spools
JP2010269915A (en) * 2009-05-22 2010-12-02 Murata Machinery Ltd Yarn winding device and alarm threshold value determining method for detecting rotation failure of package
DE102010021152A1 (en) * 2010-05-21 2011-11-24 Oerlikon Textile Gmbh & Co. Kg Method for producing spinning cops
DE102012004910A1 (en) * 2012-03-09 2013-09-12 Oerlikon Textile Gmbh & Co. Kg Method for optimizing the winding speed of a work station of an automatic winder
DE102012007467A1 (en) * 2012-04-13 2013-10-17 Oerlikon Textile Gmbh & Co. Kg Method for producing a cross-wound bobbin
DE102013009452A1 (en) 2013-06-06 2014-12-11 Saurer Germany Gmbh & Co. Kg Zero point adjustment of a yarn tension sensor
DE102015008166A1 (en) 2015-06-25 2016-12-29 Saurer Germany Gmbh & Co. Kg Method and device for optimizing the density of cheeses produced on the work stations of a cheese-winder
BE1023564B1 (en) * 2015-11-03 2017-05-05 VAN DE WIELE Michel NV YARN TENSION SYSTEM AND METHOD FOR TENSIONING A YARN TAKEN FROM A YARN STORAGE SYSTEM TO A YARN REMOVAL SYSTEM OF A WEAVING MACHINE
DE102018007591A1 (en) * 2018-09-26 2020-03-26 Saurer Spinning Solutions Gmbh & Co. Kg Method and device for detecting a thread loop at a work station of a textile machine producing winding packages
DE102020130887A1 (en) * 2020-11-23 2022-05-25 Saurer Spinning Solutions Gmbh & Co. Kg Method for determining the weight of a cheese

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EP1928774B1 (en) 2010-01-06
JP2009508783A (en) 2009-03-05
WO2007033771A1 (en) 2007-03-29
DE102005045789A1 (en) 2007-03-29
CN101268001A (en) 2008-09-17
EP1928774A1 (en) 2008-06-11
DE502006005879D1 (en) 2010-02-25
JP5124465B2 (en) 2013-01-23

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