CN101600828A - Operation is made cross winding bobbin and is provided with the method for the weaving loom of negative pressure device - Google Patents
Operation is made cross winding bobbin and is provided with the method for the weaving loom of negative pressure device Download PDFInfo
- Publication number
- CN101600828A CN101600828A CNA2008800039269A CN200880003926A CN101600828A CN 101600828 A CN101600828 A CN 101600828A CN A2008800039269 A CNA2008800039269 A CN A2008800039269A CN 200880003926 A CN200880003926 A CN 200880003926A CN 101600828 A CN101600828 A CN 101600828A
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- China
- Prior art keywords
- negative pressure
- weaving loom
- station
- drive motor
- speed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/707—Suction generating system
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/11—Spinning by false-twisting
- D01H1/115—Spinning by false-twisting using pneumatic means
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H13/1691—Thread breakage detector means associated with pneumatic cleaning devices, e.g. suction of broken end of yarn
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/06—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface co-operating with suction means
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
- D01H5/66—Suction devices exclusively
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Treatment Of Fiber Materials (AREA)
- Looms (AREA)
Abstract
What the present invention relates to be intended to optimize weaving loom can be based on the loop by the method for the quantity of the station of the outer negative pressure of while amount supplied, described weaving loom has a plurality of stations, wherein, described weaving loom has suction device, described suction device has at least one air-breathing unit, the suction output of described air-breathing unit can increase by the rotating speed of described air-breathing unit CD-ROM drive motor, and till reaching maximum (top) speed, described CD-ROM drive motor is controlled by monitoring described pressure-reduction level.According to the present invention, calculate the preparation tachometer value according to the known maximum (top) speed of the described CD-ROM drive motor of described air-breathing unit and according to the existing actual speed of the described CD-ROM drive motor of described air-breathing unit, wherein, described maximum (top) speed defines the maximum aspiration output of the described suction device of described weaving loom, described actual speed is that the instantaneous negative pressure demand according to described weaving loom draws, and determines to be supplied the quantity of the station of extra negative pressure according to described preparation tachometer value.Determine the maximum quantity of the station of the outer negative pressure of amount supplied simultaneously according to described quantity, described quantity has increased based on described CD-ROM drive motor actual speed and has been supplied the quantity of the station of extra negative pressure at present, and avoids the negative pressure demand to surpass this most loop quantity.
Description
Technical field
The present invention relates to a kind ofly according to first aspect present invention method as described in the preamble, this method is intended to optimize the quantity of the station of the weaving loom that can be provided with extra negative pressure simultaneously, and described weaving loom has a plurality of stations and is used to make cross winding bobbin.
Background technology
Aspect the weaving loom (for example automatic cross winding machine or open-end spinning machine) of manufacturing cross winding bobbin with a plurality of stations, disclosed is must continue to supply suction air so that can operate as normal to the station of this weaving loom at their duration of works.
For example, need suction air to be used for the cop dedusting all the time on the station of automatic cross winding machine, that is to say needs a device in the after-combustion process, and it is responsible for removing dirt and the dust that occurs during from the unwinding of spinning cop at yarn.These stations have the yarn of catching mouth in addition, also will catch the yarn mouth to this and apply suction air constantly during after-combustion.In addition, when broken yarn occurring, perhaps controllably shear when causing yarn to be cut off, on this weaving loom station, also need many additionally air-breathing when yarn clearer.In this case, use the Yarn processing device of the be applied in negative pressure of station self, it is responsible for the feasible winding process that restarts as quickly as possible on the relevant station.This means, under broken yarn or yarn clearer shearing situation, at first seek and pick up the loose thread of the last yarn that is wound on cross winding bobbin, and it is handed to the yarn splicing device by means of the suction nozzle that can be applied in negative pressure.Simultaneously, pick up the loose thread of so-called yarn under working, and also be transported to the yarn splicing device by the clamp yarn cop that also can be applied in negative pressure.After pneumatic preparation, in the yarn splicing device, connect the loose thread of yarn and yarn under working by pressure air.
Described as DE 44 46 379 A or DE 195 11 960 A1, in order to satisfy the diverse air-breathing demand of its station as previously mentioned, this weaving loom has the suction device of machine self usually, this suction device has air-breathing unit, the CD-ROM drive motor of air-breathing unit is connected on the frequency converter, and can regulate its rotating speed in a predefined manner.That is to say that according to the air-breathing demand of weaving loom, the rotating speed that also can adjust CD-ROM drive motor is in definite scope it.
In " normally " winding process, CD-ROM drive motor is preferably with a rotary speed working, and under this speed conditions, the negative pressure in the suction device is not less than definite minimum level, that is to say that the so-called air-breathing primary demand of this weaving loom is met under this speed conditions.Improve the CD-ROM drive motor rotating speed of air-breathing unit when causing increasing the incident of air-breathing demand having reported,, can satisfy the air-breathing demand of increase by the negative pressure of this increase so that the negative pressure of predetermined increase is provided.This means, so adjust the rotating speed of the CD-ROM drive motor of air-breathing unit, that is, when handling first incident that needs extra suction air and other similar incidents that take place during this period, the stress level in the suction device maintains on the minimum of a value all the time.After handling these last incidents, the CD-ROM drive motor rotating speed of air-breathing unit pulls back to the rotating speed that satisfies the negative pressure primary demand once more.
Here DE 44 46 379 A or the described method of DE 195 11 960 A attempt reaching definite target with minimum resource from so-called principle of minimum.Alap rotating speed that for example should the air-breathing unit CD-ROM drive motor of respective application is realized the pressure-reduction level determined, draws described pressure-reduction level according to the quantity of pending incident.The suction air that is provided only is provided surpasses required suction air, successfully using said method all the time.
When the station of operating open-end spinning machine, also always need negative pressure.The so-called spinning negative pressure that needs in the rotor case of the open-end spinning device of this weaving loom for example is responsible for and will be pneumatically fed spinning rotor from feeding the filament that combs out to ribbon via the fiber guide passage by opening roller at the spinning run duration, and the spinning rotor that goes in ring with higher rotation speed is twisted into yarn with filament there.That is to say that in " normally " spinning work, the station of open-end spinning machine also has the negative pressure primary demand of definite approximately constant.
The negative pressure demand of each station (especially when station for example is constructed to self-centered station substantially as DE 101 39 075 A1 are disclosed) may temporarily obviously improve.Self-centered station is for example in the time must splicing on relevant station again, that is to say, when the suction nozzle of be applied in negative pressure that must be by station self is sought, picked up loose thread and it is delivered to the yarn splicing device and when preparing for splicing there, always has the extra negative pressure demand of this increase in the intersected coiled bobbin sub-surface.
Although open-end spinning machine is equipped with suction device equally (in this suction device, can improve the rotating speed of air-breathing unit CD-ROM drive motor until maximum (top) speed in order to improve pressure-reduction level when needing), if supply with yet the air-breathing demand of spinning machine surpasses the maximum inhale of relevant suction device, bring sizable difficulty for this known weaving loom.That is to say, very big problem appears in the case, that is, although the CD-ROM drive motor of air-breathing unit moves with maximum (top) speed, it is to require all stations of extra negative pressure to supply essential suction air simultaneously that the suction device of weaving loom still can not provide enough negative pressure.After this situation for example can appear at and change batch, for example 360 reach that more a plurality of stations are wanted to splice simultaneously and when correspondingly requiring extra suction air when all of free-end spinning machine.
Summary of the invention
Weaving loom from aforementioned type, task of the present invention is to realize a kind of method, described method guarantees when needed continuously to guarantee simultaneously that to the required extra negative pressure of station supply of the maximum quantity as far as possible of weaving loom the negative pressure in the weaving loom suction device is not brought down below the critical value of weaving loom primary demand.
As described in first aspect present invention, this task solves by a kind of method according to the present invention.
The favourable embodiment of the inventive method is the theme of subordinate aspect.
Advantage according to the inventive method of so-called maximum principle work especially is, the instantaneous whole potential that can provide of weaving loom suction device are provided when needed constantly.This means, predetermined maximum (top) speed according to existing actual speed of air-breathing unit CD-ROM drive motor (considering that the instantaneous negative pressure demand according to this weaving loom draws this actual speed under a plurality of parameter situations) and CD-ROM drive motor is determined the preparation tachometer value according to plain mode, can determine still can be supplied simultaneously the quantity of the station of extra negative pressure easily according to described preparation tachometer value.
These maximum quantities that correspondingly still can be supplied the station of extra negative pressure simultaneously are variable, and the quantity according to the station of determining is before determined this maximum quantity based on the CD-ROM drive motor actual speed, and the quantity of the described station of determining before has been increased the quantity that has been supplied the station of extra negative pressure at present.
Avoid the negative pressure demand to surpass described loop quantity.
As according to shown in the CD-ROM drive motor actual speed, the maximum quantity that still can be supplied the station of extra negative pressure simultaneously for example depends on the class of pollution of the length of weaving loom, soil chamber, height and the similar parameters that weaving loom is laid the place.
As described in a second aspect of the present invention, correspondingly mainly according to the negative pressure demand of each station in other words according to the rotating speed of the essential air-breathing unit CD-ROM drive motor that improves for satisfying this negative pressure demand, calculate the quantity that still can be supplied the station of extra negative pressure simultaneously.At this, also draw the size of the extra negative pressure demand of station according to corresponding yarn parameter.For example, compare with spun yarn peace yarn, rove and wool yarn require higher negative pressure, so that can draw loose thread from unwinding cheese, and can prepare in the preparation bobbin that the splicing yarn is used and the splicing loose thread.As a result, this means that the negative pressure demand of single station is more little, the station of the outer negative pressure of amount supplied is just many more simultaneously with the air-breathing unit of maximum (top) speed rotation.
Because the negative pressure condition in the weaving loom suction device for example constantly changes owing to the increase of soil chamber dirt, so in a favorable structure mode, also stipulate the pressure-reduction level in the lasting monitoring suction device, and in the weaving loom control module, constantly recomputate the quantity that correspondingly still can be supplied the station of extra negative pressure simultaneously.
By aforementioned method steps, guaranteed that on the one hand the pressure-reduction level in the suction device is not brought down below predetermined critical value, all stations that are supplied the extra pressure air on the other hand also obtain enough suction airs all the time.
Description of drawings
Below in conjunction with the embodiment that schematically shows in the accompanying drawing the inventive method is described in further detail.
The specific embodiment
Adopt in the accompanying drawings curve map illustrate weaving loom air-breathing unit CD-ROM drive motor pass through the speed curves that curve 1 schematically illustrates, and when weaving loom reruns after changing batch, in the weaving loom getter device, pass through the negative pressure curve that curve 2 schematically illustrates.At this, abscissa is represented the time variation of the inventive method, wherein, identifies the different time points that is further specifying subsequently with A, B, C etc.Ordinate illustrates the rpm level d of the CD-ROM drive motor that is present in interior pressure-reduction level p of weaving loom suction device and the air-breathing unit of weaving loom.
When free-end spinning machine started once more after changing batch, the negative pressure p that can be scheduled at first appearred in the weaving loom suction device
G, so stipulate described negative pressure, that is, satisfy the air-breathing primary demand of station in this negative pressure of free-end spinning machine " normally " spinning/coiling duration of work.In order to satisfy this predetermined air-breathing primary demand, the CD-ROM drive motor of air-breathing unit is with rotating speed d
IstRotation, described rotating speed d
IstDraw according to different parameters (for example the length of the class of pollution of soil chamber, weaving loom, weaving loom are laid the height in place etc.).
When extra air-breathing demand occurring at time point A station, especially when because self-centered station is when needing to spin once more after replacing batch, the control device of weaving loom is responsible for the CD-ROM drive motor of air-breathing unit is accelerated to its maximum (top) speed d
MaxFor example reach this maximum (top) speed d at time point B
MaxAt time point B negative pressure d appears so in suction device.Simultaneously, in the weaving loom control device, calculate preparation tachometer value d
Res(this value equals d
MaxAnd d
IstPoor) and each station on corresponding extra negative pressure consumption or rotating speed raising amount, rotating speed raising amount is necessary for the extra negative pressure demand that satisfies each station.
According to preparation tachometer value d
ResAnd the essential rotating speed improvement value of each station, accurately determining can be by the quantity of the station of the outer suction air of while amount supplied, and is brought down below predetermined negative voltage levels p in this negative pressure that can not appear in the weaving loom suction device
GDanger, described pressure-reduction level p
GBe mandatory necessary for the primary demand that satisfies the weaving loom station as previously mentioned.
Along with beginning at time point C to corresponding to the outer suction air of the station amount supplied of the previous quantity of calculating, the negative pressure p in the suction device begins decline, and is reached at time point D and satisfies the weaving loom primary demand and essential pressure-reduction level p
GFrom time point D, continuous suction air outside the station while of possible maximum quantity amount supplied respectively will guarantee that here the negative pressure in the suction device is not reduced to pressure-reduction level p
GUnder.After a period of time, except a small amount of residue station, all stations of weaving loom begin its " normally " operation, that is to say that these stations no longer need extra suction air.In the situation of time point X shown in can occurring, that is, by means of ground as before with maximum (top) speed d
MaxThe CD-ROM drive motor of rotation makes the suction air of air-breathing unit supply with greater than the suction air demand, such result is, pressure-reduction level in the suction device also raises, and if any station all no longer need extra suction air, then for example reach maximum p once more at time point Y.
The rotating speed d of the CD-ROM drive motor of air-breathing unit
MaxBegin to fall after rise at time point Y the latest, Z begins from time point, and rotating speed has rpm level d once more
Ist
Claims (2)
- One kind be intended to optimize weaving loom can be based on the loop by the method for the quantity of the station of the outer negative pressure of while amount supplied, described weaving loom has a plurality of stations, wherein, described weaving loom has suction device, described suction device has at least one air-breathing unit, and the suction output of described air-breathing unit can increase by the rotating speed of described air-breathing unit CD-ROM drive motor, till reaching maximum (top) speed, described CD-ROM drive motor is controlled by monitoring described pressure-reduction levelDescribed method is characterised in that,Calculate the preparation tachometer value according to the known maximum (top) speed of the described CD-ROM drive motor of described air-breathing unit and according to the existing actual speed of the described CD-ROM drive motor of described air-breathing unit, wherein, described maximum (top) speed defines the maximum aspiration output of the described suction device of described weaving loom, described actual speed is that the instantaneous negative pressure demand according to described weaving loom draws, determine to be supplied the quantity of the station of extra negative pressure according to described preparation tachometer valueAnd determine the maximum quantity of the station of the outer negative pressure of amount supplied simultaneously according to described quantity, described quantity has increased the quantity that has been supplied the station of extra negative pressure based on described CD-ROM drive motor actual speed at present,And avoid the negative pressure demand to surpass this most loop quantity.
- 2. method according to claim 1, it is characterized in that, in order to detect the current speed discrepancy that causes because of the control intervention at each extra negative pressure demand, successively determine different rotating speeds, and different rotating speeds is distributed in the instantaneous loop to respective numbers, and the difference by instantaneous loop marks off poor between the different rotating speeds.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007006679.3 | 2007-02-10 | ||
| DE102007006679.3A DE102007006679B4 (en) | 2007-02-10 | 2007-02-10 | Method for operating a cheese-producing textile machine |
| PCT/EP2008/000533 WO2008095611A1 (en) | 2007-02-10 | 2008-01-24 | Method for operating a textile machine which is provided with a vacuum device and produces crosswound bobbins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101600828A true CN101600828A (en) | 2009-12-09 |
| CN101600828B CN101600828B (en) | 2012-05-30 |
Family
ID=39272276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800039269A Active CN101600828B (en) | 2007-02-10 | 2008-01-24 | Method for operating a textile machine which is provided with a vacuum device and produces crosswound bobbins |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101600828B (en) |
| BR (1) | BRPI0807094A2 (en) |
| DE (1) | DE102007006679B4 (en) |
| WO (1) | WO2008095611A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110072791A (en) * | 2016-12-14 | 2019-07-30 | 欧瑞康纺织有限及两合公司 | Method and apparatus for feed lines group |
| CN112080826A (en) * | 2019-06-14 | 2020-12-15 | 里特机械公司 | Method for operating a suction device of a textile machine, suction device and textile machine |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008037992A1 (en) * | 2008-08-16 | 2010-02-18 | Oerlikon Textile Gmbh & Co. Kg | Cop dust removal system operating method for cross-wound spool machine, involves equipping work stations with cop dust removal devices, respectively, and adjusting suction power of vacuum source to stations that are used for producing spool |
| IT1396438B1 (en) * | 2009-11-16 | 2012-11-23 | Savio Macchine Tessili Spa | INDIVIDUAL ASPIRATION SYSTEM FOR ROCKING UNIT. |
| DE102013008107A1 (en) | 2013-05-11 | 2014-11-13 | Saurer Germany Gmbh & Co. Kg | Method for operating an open-end rotor spinning machine |
| DE102015003552A1 (en) * | 2015-03-19 | 2016-09-22 | Saurer Germany Gmbh & Co. Kg | Method, device and computer program for allocating suction air to suction air requesting jobs of a textile machine |
| DE102015014429A1 (en) | 2015-11-10 | 2017-05-11 | Saurer Germany Gmbh & Co. Kg | Method for operating a cheese-producing textile machine |
| DE102018102135A1 (en) | 2018-01-31 | 2019-08-01 | Saurer Spinning Solutions Gmbh & Co. Kg | Method for operating a textile machine and a textile machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783950A (en) * | 1951-07-03 | 1957-03-05 | Reiners Walter | Actuation control arrangement for winding machines |
| JPS6413374A (en) * | 1987-07-08 | 1989-01-18 | Murata Machinery Ltd | Flow rate control of centralized blower system |
| DE4446379A1 (en) | 1994-12-23 | 1996-06-27 | Schlafhorst & Co W | Suction supply control for textile machine |
| DE19511960C2 (en) | 1995-03-31 | 2003-08-28 | Schlafhorst & Co W | Process for regulating the negative pressure in a suction air system of a textile machine |
| DE19653617A1 (en) * | 1996-12-20 | 1998-06-25 | Schlafhorst & Co W | Process for regulating the negative pressure in a suction air system of a textile machine |
| US5924163A (en) * | 1997-06-13 | 1999-07-20 | The Spencer Turbine Company | Demand responsive central vacuum system |
| DE10139074B4 (en) * | 2001-08-09 | 2009-11-12 | Oerlikon Textile Gmbh & Co. Kg | Open-end rotor spinning machine |
| DE10139077A1 (en) * | 2001-08-09 | 2003-02-20 | Zinser Textilmaschinen Gmbh | Method and device for regulating suction in a thread break extraction system of a textile machine |
| DE10139075A1 (en) | 2001-08-09 | 2003-02-20 | Schlafhorst & Co W | Open-end rotor spinning machine |
-
2007
- 2007-02-10 DE DE102007006679.3A patent/DE102007006679B4/en active Active
-
2008
- 2008-01-24 WO PCT/EP2008/000533 patent/WO2008095611A1/en active Application Filing
- 2008-01-24 BR BRPI0807094-6A patent/BRPI0807094A2/en not_active IP Right Cessation
- 2008-01-24 CN CN2008800039269A patent/CN101600828B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110072791A (en) * | 2016-12-14 | 2019-07-30 | 欧瑞康纺织有限及两合公司 | Method and apparatus for feed lines group |
| CN110072791B (en) * | 2016-12-14 | 2021-09-10 | 欧瑞康纺织有限及两合公司 | Method and apparatus for feeding wire set |
| CN112080826A (en) * | 2019-06-14 | 2020-12-15 | 里特机械公司 | Method for operating a suction device of a textile machine, suction device and textile machine |
| CN112080826B (en) * | 2019-06-14 | 2023-09-01 | 里特机械公司 | Method for operating a suction device of a textile machine, suction device and textile machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007006679A1 (en) | 2008-08-14 |
| BRPI0807094A2 (en) | 2014-04-29 |
| CN101600828B (en) | 2012-05-30 |
| DE102007006679B4 (en) | 2018-05-30 |
| WO2008095611A1 (en) | 2008-08-14 |
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Owner name: SAURER GERMANY GMBH + CO. KG Free format text: FORMER OWNER: OERLIKON TEXTILE GMBH + CO. KG Effective date: 20131104 |
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Effective date of registration: 20131104 Address after: The German city of Remscheid Patentee after: Saurer Germany GmbH & Co KG Address before: The German city of Remscheid Patentee before: Oerlikon Textile GmbH & Co. KG |