EP1412569A2 - Motorsteuerung für auf beiden seiten einer ringspinnmaschine angeordneten streckwerke - Google Patents
Motorsteuerung für auf beiden seiten einer ringspinnmaschine angeordneten streckwerkeInfo
- Publication number
- EP1412569A2 EP1412569A2 EP02758118A EP02758118A EP1412569A2 EP 1412569 A2 EP1412569 A2 EP 1412569A2 EP 02758118 A EP02758118 A EP 02758118A EP 02758118 A EP02758118 A EP 02758118A EP 1412569 A2 EP1412569 A2 EP 1412569A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- spinning machine
- ring spinning
- rollers
- motors
- Prior art date
- 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.)
- Granted
Links
- 238000007378 ring spinning Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
- D01H5/32—Regulating or varying draft
-
- 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
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
Definitions
- the invention relates to a ring spinning machine with drafting systems on both sides, each having at least two lower rollers, at least one of which is driven by an electric motor at both ends, and one of these motors is a leading motor (master motor) and the other a guided motor ( Slave motor).
- master motor leading motor
- Slave motor guided motor
- a leading motor is understood here to mean a motor whose speed is regulated or controlled to a certain value by means of its voltage or frequency supply, while the guided motor is acted upon with the same supply voltage or frequency without its speed being one would be subject to control or regulation.
- the motors are of the same type, so that it can be assumed that the guided motor runs at the same speed as the leading motor under the same load.
- the stretching rollers of ring spinning machines of long length are subject to a torsion under the effect of the torque to be transmitted to the top rollers and in particular to the drafting slips, which torsion is different depending on the moment to be transmitted on the input roller, center roller and output roller. Due to the sliding guiding of the drafting slides over their redirecting elements such as the reversing rail and tensioning bracket, the torsion on the center roll is generally significantly higher than on the other stretching rolls. On the torsion is harmless, only the relaxation or building up of the differently high torsions of the stretching rollers when starting and stopping the ring spinning machine can cause incorrect warping.
- one of the motors is designed as a speed-guiding, leading motor.
- the purpose of this is that the speed of the stretching roller is determined by the leading motor, while the other, guided motor is by
- Torque is primarily intended to reduce the torsional torsion of the stretching roller.
- the advantage is achieved that the draft ratio between stretching rollers, which are driven by separate motors, can be changed very simply by changing the feed frequency of the motors without changing the change wheels. Damage due to incorrect changing of change gears is excluded here.
- DE 29 11 379 C2 also discloses a ring spinning machine in which the drafting rollers are driven at both ends by an electric motor.
- the two electric motors are fed by the same frequency converter, without the speed of one of the motors being regulated, one of the motors accordingly having to be addressed as the leading motor.
- the object of the invention was to further reduce the structural outlay for driving the two drafting units of a ring spinning machine on both sides, which drive maintains a predetermined draft ratio with sufficient accuracy. It solves this task through the features of the main claim. Because the motor or the leading motor of a stretching roller on one side of the ring spinning machine is also the leading motor for at least one motor of a corresponding stretching roller on the other side of the ring spinning machine, no further frequency converter is required for driving this other stretching roller.
- the drive motors of corresponding stretching rollers on the other side of the ring spinning machine only have the task of delivering torque to these stretching rollers, while the leading motor ensures the speed-accurate and synchronous running of corresponding stretching rollers due to its speed-accurate running and the coupling via the mechanical transmission.
- the guided motors are also supplied with the feed current of the regulated leading motor which is regulated with respect to frequency and / or voltage.
- the guided motors can also be sufficient to design the guided motors as asynchronous motors and to feed them with a constant supply current.
- the frequency and voltage of this feed current must then be designed so that the motors deliver sufficient torque to the stretching rollers, even at the highest intended speeds of the respective stretching rollers, so that they achieve and maintain their intended speed and thus the desired draft ratio.
- the motors must be designed (softly) in such a way that they do not deliver a disturbingly high torque to the stretching rollers even at the lowest intended speeds of the respective stretching rollers.
- Fig. 2 to 4 further, modified embodiments.
- the ring spinning machine has drafting systems 1 and 2 on both sides, of which only the three lower rolls 3, 4 and 5 or 3 ', 4' and 5 'are shown, upper rolls, loading arms etc. are omitted.
- the rollers have a much greater length than the length shown, which is indicated by the broken line.
- the output lower rollers 5 and 5 'are driven synchronously and in opposite directions in one embodiment by an electric motor 7 at one end via a common gear 6.
- the middle lower rollers 4 and 4 ' are driven by separate motors. You have to drag the lower straps 8, of which only two are shown here at both ends of the rollers.
- the lower aprons 8 are slidably guided at least over reversing rails (not shown) and possibly further guide members and accordingly require a particularly high drive torque from the central lower rollers 4, 4 '. Due to the large length of the rollers, these are therefore subject to increased torsion, which has a disadvantageous effect on the drafting work of the drafting systems.
- these middle lower rollers 3, 3 'in the embodiments of FIGS. 1 to 3 are driven at both ends via reduction gears 9 by electric motors 10.
- the motors 10 of a machine are preferably of the same type. Since their speed is regulated, it is generally not necessary to use synchronous motors; asynchronous motors are sufficient.
- the input rollers 3, 3 ' are driven by the center rollers 4, 4'.
- 9 of the gearboxes 9 over the top ! led to a gear 11, via which the gear 9 of the center rollers 4, 4 'on both sides of the ring spinning machine are positively connected and thus synchronously.
- the gear 11 thus ensures the synchronous running of the central roller 4 ′′ not driven by a regulated motor.
- the drives of the input rollers 3 and 3 ′ are also derived from the gear 11.
- the electric motors 7, 10 are each fed via a frequency converter 12, 12 ', to which three-phase current of a certain frequency is fed via a line 13 from the network.
- Both the motor 7 driving the output rollers 5, 5 'and one of the motors 10' driving the input rollers 3, 3 'and the center rollers 4, 4' are equipped with speed sensors 15 and 16, the outputs of which are also via lines 17 and 18, respectively the frequency converters 12, 12 'are connected.
- the feed current of the frequency converter 12 is applied via a line 19 to the electric motor 7 driving the output lower rollers 5 and 5 '.
- the feed current of the other frequency converter 12 ' feeds via a line network 20 the motors 10, 10' which drive the other bottom rollers 3, 3 ', 4 and 4'.
- the frequency converters 12, 12 'via line 14 are given feed currents of what frequency and voltage they have to apply to the motors 7 and 10, 10', respectively, so that they have the intended speed by the intended delay ratio between the To reach center rollers 4, 4 'and the output rollers 5, 5'.
- the speed sensors 15 and 16 report to the motors 7 and 10 'via lines 17 and 18 to the frequency converters 12, 12' the actual speed of the motors or the peripheral speed of the rollers driven by the motors. If there is a discrepancy between the intended and the actual speed, the frequency converters 12, 12 'change the frequency and voltage of the supply currents in order to reduce the discrepancy, ie they regulate the speed of the motors and thus the delay ratio.
- FIG. 2 differs from that of FIG. 1 only in that a connecting gear 11 is also provided at the other end of the machine, by means of which the synchronism of the rolls is further improved, in particular on very long ring spinning machines, i.e.
- the torsion of the rollers is evened out by the fact that rollers of one drafting system that tend to be more torsional are supported by the roller of the opposite drafting system and are carried along in rotation.
- the embodiment of Figure 3 differs from that of Figure 2 in that the center rollers 4, 4 'are divided approximately in the middle of their length. This avoids, on the one hand, that the threaded screw connections of the lower roller sections can unscrew when the torque applied is corresponding to the sense of torque. On the other hand, this also has the advantage that no damage can occur if different change gears are inadvertently used when changing change gears to change the delay in the advance field - the transmission is "open".
- Ring spinning machine can be omitted, as shown in Figure 4.
- the drive motor 10 'on one drafting system 1 serves as a leading motor for the drive motor 10 on the opposite drafting system 2.
- the motor 10' is accordingly also equipped here with a speed sensor 16, by means of which it measures its speed and that of the motor guided by it 10 regulates.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10137140A DE10137140C1 (de) | 2001-07-30 | 2001-07-30 | Ringspinnmaschine mit Streckwerk auf beiden Seiten |
| DE10137140 | 2001-07-30 | ||
| PCT/DE2002/002721 WO2003014442A2 (de) | 2001-07-30 | 2002-07-24 | Motorsteurung für auf beiden seiten einer ringspinnmaschine angeordneten streckwerke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1412569A2 true EP1412569A2 (de) | 2004-04-28 |
| EP1412569B1 EP1412569B1 (de) | 2005-07-06 |
Family
ID=7693625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02758118A Expired - Lifetime EP1412569B1 (de) | 2001-07-30 | 2002-07-24 | Motorsteuerung für auf beiden seiten einer ringspinnmaschine angeordneten streckwerke |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1412569B1 (de) |
| JP (1) | JP4018628B2 (de) |
| CN (1) | CN1320182C (de) |
| DE (2) | DE10137140C1 (de) |
| ES (1) | ES2243755T3 (de) |
| WO (1) | WO2003014442A2 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004017025B4 (de) * | 2004-04-02 | 2018-05-17 | Maschinenfabrik Rieter Ag | Spinnmaschine mit mehreren Steckwerksantrieben |
| DE102004047230A1 (de) * | 2004-09-27 | 2006-03-30 | Maschinenfabrik Rieter Ag | Lange Textilmaschine |
| ITUD20050093A1 (it) * | 2005-05-31 | 2006-12-01 | Proxima Srl | Filatoio intermittente |
| DE102007007150A1 (de) | 2007-02-09 | 2008-08-14 | Oerlikon Textile Gmbh & Co. Kg | Spinnereianlage mit wenigstens einer Master/Slave-Anordnung |
| DE102007039049A1 (de) | 2007-08-17 | 2009-02-19 | Oerlikon Textile Gmbh & Co. Kg | Spinnanlage |
| ITBS20110166A1 (it) * | 2011-11-30 | 2013-05-31 | Marzoli Spa | Apparato di movimentazione per la cilindrata di un filatoio |
| CN103103644A (zh) * | 2012-12-10 | 2013-05-15 | 苏州尊元纺织有限公司 | 一种纺织机械的罗拉驱动系统 |
| DE102015010854A1 (de) * | 2015-08-19 | 2017-02-23 | Saurer Germany Gmbh & Co. Kg | Spinnmaschine mit einer Vielzahl nebeneinander angeordneter Streckwerke |
| DE102015013619A1 (de) | 2015-10-20 | 2017-04-20 | Saurer Germany Gmbh & Co. Kg | Doppelseitige Ringspinnmaschine |
| DE102015014421A1 (de) | 2015-10-22 | 2017-04-27 | Saurer Germany Gmbh & Co. Kg | Streckwerk und Lager für eine Welle eines Streckwerkes |
| IT201800010073A1 (it) * | 2018-11-06 | 2020-05-06 | Marzoli Machines Textile Srl | Banco a fusi con cilindri di stiro segmentati |
| CN115467065A (zh) * | 2022-10-11 | 2022-12-13 | 福建景丰科技有限公司 | 一种复合双色锦纶纱及其制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2641434B2 (de) * | 1976-09-15 | 1979-04-26 | Zinser Textilmaschinen Gmbh, 7333 Ebersbach | Lange Spinnmaschine |
| DE2849567C2 (de) * | 1978-11-15 | 1982-07-22 | Evolution S.A., Rorschach, St. Gallen | Effektzwirnmaschine |
| DE2911379C3 (de) * | 1979-03-23 | 1995-02-23 | Zinser Textilmaschinen Gmbh | Lange Spinnmaschine |
| IL90789A0 (en) * | 1988-08-05 | 1990-01-18 | Rieter Ag Maschf | Textile machine with drawframes |
| EP0392255A3 (de) * | 1989-04-10 | 1991-04-10 | Maschinenfabrik Rieter Ag | Textilmaschine, insbesondere Ringspinnmaschine oder Flyer |
| DE19649769A1 (de) * | 1996-11-30 | 1998-06-04 | Novibra Gmbh | Lange Spinnmaschine |
-
2001
- 2001-07-30 DE DE10137140A patent/DE10137140C1/de not_active Expired - Fee Related
-
2002
- 2002-07-24 JP JP2003519564A patent/JP4018628B2/ja not_active Expired - Lifetime
- 2002-07-24 DE DE50203583T patent/DE50203583D1/de not_active Expired - Fee Related
- 2002-07-24 WO PCT/DE2002/002721 patent/WO2003014442A2/de not_active Ceased
- 2002-07-24 ES ES02758118T patent/ES2243755T3/es not_active Expired - Lifetime
- 2002-07-24 CN CNB028148509A patent/CN1320182C/zh not_active Expired - Lifetime
- 2002-07-24 EP EP02758118A patent/EP1412569B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03014442A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003014442A3 (de) | 2003-05-01 |
| JP4018628B2 (ja) | 2007-12-05 |
| EP1412569B1 (de) | 2005-07-06 |
| JP2004538379A (ja) | 2004-12-24 |
| DE10137140C1 (de) | 2003-01-09 |
| WO2003014442A2 (de) | 2003-02-20 |
| CN1535333A (zh) | 2004-10-06 |
| ES2243755T3 (es) | 2005-12-01 |
| CN1320182C (zh) | 2007-06-06 |
| DE50203583D1 (de) | 2005-08-11 |
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