EP1766119A1 - Antriebseinheit für eine webmaschine und webmaschine mit einer solchen antriebseinheit - Google Patents
Antriebseinheit für eine webmaschine und webmaschine mit einer solchen antriebseinheitInfo
- Publication number
- EP1766119A1 EP1766119A1 EP05760076A EP05760076A EP1766119A1 EP 1766119 A1 EP1766119 A1 EP 1766119A1 EP 05760076 A EP05760076 A EP 05760076A EP 05760076 A EP05760076 A EP 05760076A EP 1766119 A1 EP1766119 A1 EP 1766119A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive unit
- electric motor
- loom
- unit according
- drive
- 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
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/006—Controlling a group of looms
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/02—General arrangements of driving mechanism
Definitions
- the invention relates to a drive unit for a weaving machine with a variable speed and direction of rotation electric motor, preferably with an additional flywheel and with an electromagnetically switchable clutch-brake combination.
- the invention further relates to a loom with such a drive unit and with sutrachn, wherein the drive of the shedding means selectively from a
- Drive unit of the loom derived or a separate drive, with a main drive shaft and wherein the main drive shaft is connected to the drive unit.
- the drive unit has at least one variable speed and direction of rotation electric motor.
- the loom further has a between the electric motor and the
- Main drive shaft arranged, electromagnetically switchable clutch-brake combination and preferably arranged between the electric motor and the clutch brake combination additional flywheel.
- Such a drive solution requires due to their open design a relatively large amount of space; the drive components are subject to a high degree of contamination and the operation of the loom in slow speed requires an additional electric motor drive with the necessary electronics and with gear means, usually a reduction gear.
- a drive unit for a weaving machine which should allow drive unit to bring the loom quickly to standstill after a standstill and record small Parallelticiansunstimmtechniken the engine or its flywheel or the brake ring.
- the clutch disc is rotatably connected via a drive plate with an axially immovable output shaft and for transmitting the torque are on the one hand to the clutch disc and on the other hand attached to the output shaft, elastically deformable transmission means provided.
- Such, purely mechanically acting means for transmitting the engine torque to the here designated as the output shaft main shaft of the loom are not timely and therefore do not meet the requirements, as they meet known electromagnetically schaitbare clutch brake combinations for high-performance looms.
- EP 0 514 959 B1 discloses a method and a device for driving a weaving machine in slow motion.
- the slow running of a weaving machine is required, e.g. an occurring deficiency, e.g. a weft break occurring during the weaving process, immediately after its occurrence to fix.
- the operating speed is reduced by suitable means to the speed 0 and at slow speed of the main drive motor, the inadequacy resolved. It is known in this context that during the slow running of the main drive motor whose excitation in function of the position, taking into account the load and / or the required speed of the driven Webmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschinenmaschine
- the drive device mentioned here dispenses with a separate electromotive auxiliary drive for operating the loom in slow speed.
- EP 0 726 345 A1 discloses a drive for a weaving machine with a main drive motor, which is connected by means of a gearbox with first elements to be driven and with second elements to be driven.
- the first elements to be driven are understood to mean essentially the shed forming elements which are designed as dobby machines, as eccentric machines, as jacquard machines or as another type of shed forming means.
- the second driven elements here include essentially the batten and - in the case of rapier - the gripper drives.
- a switching gear is arranged, which is adjustable in different switching positions such that in a switching position, a drive connection between the main drive motor and the first and second elements to be driven consists and that in another switching position the Drive connection is interrupted to the first or second elements to be driven.
- EP 0 953 073 B1 discloses a drive for a weaving machine, comprising a main drive shaft mounted in a machine frame and driven by means of an electromotive drive.
- the motor shaft of the drive is arranged coaxially to the main drive shaft of the loom and connected directly to this.
- the drive unit should be able to accelerate the weaving machine within a period of a weaving cycle to a predetermined operating speed and vice versa, the weaving machine from an operating speed within a weaving cycle can be brought to a standstill, so be slowed down to the operating speed 0. Furthermore, the drive unit should largely avoid fluctuations in the operating speed of the weaving machine and be able to operate the weaving machine waiving a separate electric motor drive with associated electronic control and gear means in slow speed. The drive unit should also allow maintenance work, in particular on the clutch-brake combination, without a significant assembly effort on the drive unit is required.
- the drive unit for the weaving machine comprises a variable speed and direction, consisting of rotor and stator electric motor, preferably an additional flywheel, consisting of non-rotatable parts and rotatable parts, electromagnetically switchable clutch-brake combination, which is accommodated in a mounting bell.
- a first end of the mounting bell is connected via suitable arrangements with the loom facing the shield of the electric motor.
- a second end of the mounting bell is rotatably mounted on suitable provisions on a side cheek of the loom. If an additional flywheel is mentioned here, this may consist in that the rotor of the electric motor has a comparatively large diameter with a comparatively large mass in order to take over the function of the flywheel known from the prior art.
- the additional flywheel can therefore be an integral part of the rotor according to the invention.
- the additional flywheel may be an additional component in another embodiment of the invention, which is connected to the free end of the shaft of the rotor, in such a way that the additional flywheel as a rotationally symmetrical body between the electric motor and the electromagnetically switchable clutch brake Combination is arranged.
- the aforementioned suitable arrangements for connecting the mounting bell with the engine end shield include means that are pronounced as complete or partial housing of the additional flywheel.
- the additional flywheel as an additional component can also be designed as a fan for dissipating the engine heat.
- the electric motor of the drive unit is gem.
- the invention preferably an asynchronous motor with squirrel cage rotor.
- a power electronic actuator preferably in the manner of a frequency converter, operated, which frequency converter is then designed as a voltage source inverter.
- Transducer generator
- a feed unit is provided for feeding in the electrical energy during motor operation of the drive unit and for the regenerative power supply in regenerative operation of the drive unit, e.g. a feed-back unit separate from the feed-back unit or the feed unit is designed for the purpose of this power recovery grid regenerative.
- the electric motor can be reversed, the coils of the electric motor having a winding which has at least two different pole pairs.
- the independent claim 14 comprises shed forming means, a main drive shaft, at least one by means of a coupling brake combination on the main drive shaft detachable drive unit, which drive unit has at least one variable in speed and direction, consisting of rotor and stator electric motor and which preferably with an additional flywheel equipped.
- the electric motor is operated with a power electronic actuator.
- the power electronic actuator is preferably designed as a frequency converter and preferably apons fundamentalnikumrichter, while the power electronic actuator is preferably regenerative power to the kinetic energy from the braking process of the loom and its rotationally driven components and from the drive unit itself via the effective as a converter (generator) electric motor To be able to feed drive unit as electrical energy into the electrical supply network.
- the drive of the shed forming means can either be derived from the main drive shaft of the weaving machine or the shed forming means are driven separately, for example by means of at least one own electric motor.
- FIG. 2 shows the electromotive drive unit according to FIG. 1 decoupled from the loom
- Figure 3 is a schematic representation of a known frequency converter in
- Figure 4 is a schematic representation of a known frequency converter in conjunction with the electric motor of the drive unit of Figure 1, at
- Waiver of switch (brake chopper) and electrical braking resistor according to Figure 3,
- FIG. 5 is a schematic representation of a known frequency converter in conjunction with the electric motor of the drive unit of Figure 1 with the
- Figure 6 shows the schematic representation of a known frequency converter in conjunction with the electric motor of the drive unit of Figure 1, with the possibility of waiving switch (brake chopper) and electrical braking resistor acc.
- Figure 5 feed back electrical energy into the supply network.
- FIG. Figure 1 there is an electric motor drive unit 1 for a weaving machine, which is only hinted here by a side wall 9, of a variable in speed and direction of rotation electric motor 2, an additional flywheel 3 and an electromagnetically switchable clutch-brake combination 4.
- the electric motor 2 is, as shown in Figures 3 to 6, fed via a frequency converter 13 with electrical energy.
- the clutch-brake combination 4 enclosed by a so-called mounting bell 5, which in turn, seen in the direction of the motor bearing plate 7, is mounted by connecting means 10 with a housing 6 for the non-rotatably connected to the shaft of the electric motor 2 additional flywheel mass 3.
- the housing 6 in turn is then connected via further connecting means 10 with the bearing plate 7 of the electric motor 2.
- FIG. 3 shows a simplified or schematic representation of a known from the prior art frequency converter 13 for the electric motor 2 of the drive unit according to the invention 1.
- the feeding network 14, ie the supply network is shown with three conductors 14.1, 14.2 and 14.3 as a three-phase three-phase network.
- the frequency converter 13 associated with the feed unit 15 converts the mains voltage into a voltage with a usually high DC voltage component.
- the feed unit 15 is not able to feed back electrical energy from the voltage intermediate circuit 16 into the supply network 14 in this exemplary embodiment.
- Such a non-regenerative feed unit is often performed in the art as a so-called uncontrolled B6 bridge.
- the inverter 18 converts the voltage from the voltage intermediate circuit 16 back to an alternating or rotary voltage; i.e.
- the figure 3 it is for example a three-phase three-phase system 19.
- the three-phase or AC system 19 is used to operate the electric motor 2.
- the feed unit 15 can not pass this energy to the feeding network 14 and the capacitance 17 can only absorb this energy to a certain extent, since otherwise the voltage in the voltage intermediate circuit 16 becomes unacceptably high.
- a switch 20 often referred to in the art as a chopper or brake chopper, this energy is instead supplied to the at least one electrical braking resistor 21, which converts it into heat.
- the lengths of on and off times of the switch 20 are determined taking into account the level of voltage in the voltage intermediate circuit 16.
- the kinetic energy of the engine 2 itself and the possibly present at least one flywheel 3 is very high. With frequent braking arises in the braking resistor 21 correspondingly much heat.
- the braking resistor 21 must therefore be made correspondingly large in order to be able to radiate the heat to the environment. That is, for example, that a control cabinet, in which the braking resistor 21 is installed, must be correspondingly large and / or costly to be cooled.
- DC braking or countercurrent braking or short-circuit braking of the electric motor 2 is to be carried out, which except the electric motor 2, the optionally present at least one flywheel 3, the co-rotating parts 4b, 4c of the clutch brake Combination 4, where appropriate, the loom and possibly further components decelerates accordingly.
- the procedures for DC braking, for countercurrent braking and for short-circuit braking itself are adequately described in the prior art. They cause the kinetic energy is significantly converted into engine heat.
- the braking resistor 21 and also the switch 20 can be designed correspondingly smaller, as well as the necessary radiating surface for the cabinet heat.
- the proportions of the kinetic energy converted into heat via the braking resistor 21 and via DC braking or countercurrent braking or short-circuit braking can be influenced in relation to one another - preferably by the type of driving of the inverter 18 and the switch 20. If necessary, this allows the operator / operator be, for example giving recommendations or it is done independently by means of taxation.
- the switch 20 and the braking resistor 21 can be completely dispensed with. The arrangement acc. FIG. 3 then reduces around the switch 20 and the braking resistor 21.
- FIG. 4 shows a correspondingly reduced arrangement of a frequency converter 13.
- the feed unit 25 has the same function as the feed unit 15 in FIG. 3, but in contrast to the feed unit 25 in FIG. 5, it is also able to
- Such feed units are state of the art and in power electronics often constructed like an inverter.
- the kinetic energy described in Figure 3 can be fed back as electrical energy in the feeding network 24.
- the proportions of the kinetic energy converted via heat via the braking resistor 31 and the energy fed back into the supply network 24 can be influenced in relation to one another - preferably by the type of activation of the feed unit 25 and of the switch 30.
- this can be enabled for the operator / operator, e.g. giving recommendations or it is done independently by means of control.
- this can be completely dispensed with the switch 30 and the braking resistor 31; the arrangement in Figure 5 is then reduced by these two aforementioned components.
- FIG. 6 shows a correspondingly reduced arrangement of a frequency converter 23.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Stopping Of Electric Motors (AREA)
- Replacement Of Web Rolls (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004034117A DE102004034117A1 (de) | 2004-07-15 | 2004-07-15 | Antriebseinheit für eine Webmaschine, Webmaschine und Webmaschinenverbund |
PCT/DE2005/001133 WO2006005295A1 (de) | 2004-07-15 | 2005-06-24 | Antriebseinheit für eine webmaschine und webmaschine mit einer solchen antriebseinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1766119A1 true EP1766119A1 (de) | 2007-03-28 |
EP1766119B1 EP1766119B1 (de) | 2010-03-24 |
Family
ID=34979415
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05760076A Not-in-force EP1766119B1 (de) | 2004-07-15 | 2005-06-24 | Antriebseinheit für eine webmaschine und webmaschine mit einer solchen antriebseinheit |
EP05760080A Withdrawn EP1766120A1 (de) | 2004-07-15 | 2005-06-24 | Energetischer webmaschinenverbund |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05760080A Withdrawn EP1766120A1 (de) | 2004-07-15 | 2005-06-24 | Energetischer webmaschinenverbund |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP1766119B1 (de) |
AT (1) | ATE462034T1 (de) |
DE (2) | DE102004063925B4 (de) |
WO (2) | WO2006005294A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110417184A (zh) * | 2019-08-06 | 2019-11-05 | 吴江市盛洲纺机配件有限公司 | 一种用于织机的一体式可控定子调速电机 |
DE102021113626A1 (de) * | 2021-05-26 | 2022-12-01 | Deere & Company | Antriebsanordnung einer Konditioniereinrichtung eines Feldhäckslers mit einem elektrischen Antriebsstrang |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH466828A (de) * | 1967-12-04 | 1968-12-15 | Fischer Ag Georg | Antriebsaggregat, insbesondere für Webmaschinen |
CS260693B1 (en) * | 1987-01-15 | 1989-01-12 | Jiri Janecek | Electronic switching commutator for textile machine drive |
SE508237C2 (sv) * | 1993-10-18 | 1998-09-14 | Texo Ab | Anordning vid drivorgan för drivaxel i en vävmaskin samt förfarande för att utnyttja anordningen vid drivorgan i vävmaskin |
BE1011560A3 (nl) * | 1997-11-21 | 1999-10-05 | Picanol Nv | Weefmachine en werkwijze voor het sturen en/of het starten en/of het stoppen van een aandrijfmotor. |
BE1013175A3 (nl) * | 1999-12-10 | 2001-10-02 | Picanol Nv | Aandrijfsysteem voor een machine. |
DE10061717B4 (de) * | 2000-12-12 | 2006-01-26 | Lindauer Dornier Gmbh | Antriebsanordnung für eine Webmaschine und Fachbildemaschine |
-
2004
- 2004-07-15 DE DE102004063925A patent/DE102004063925B4/de not_active Expired - Fee Related
-
2005
- 2005-06-24 EP EP05760076A patent/EP1766119B1/de not_active Not-in-force
- 2005-06-24 WO PCT/DE2005/001132 patent/WO2006005294A1/de active Application Filing
- 2005-06-24 WO PCT/DE2005/001133 patent/WO2006005295A1/de active Application Filing
- 2005-06-24 DE DE502005009278T patent/DE502005009278D1/de active Active
- 2005-06-24 EP EP05760080A patent/EP1766120A1/de not_active Withdrawn
- 2005-06-24 AT AT05760076T patent/ATE462034T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2006005295A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2006005295A1 (de) | 2006-01-19 |
WO2006005294A1 (de) | 2006-01-19 |
EP1766120A1 (de) | 2007-03-28 |
EP1766119B1 (de) | 2010-03-24 |
DE102004063925B4 (de) | 2006-12-28 |
DE102004063925A1 (de) | 2006-02-16 |
DE502005009278D1 (de) | 2010-05-06 |
ATE462034T1 (de) | 2010-04-15 |
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