CN100335695C - Drive device for the drawing devices of a spinning machine - Google Patents
Drive device for the drawing devices of a spinning machine Download PDFInfo
- Publication number
- CN100335695C CN100335695C CNB028203704A CN02820370A CN100335695C CN 100335695 C CN100335695 C CN 100335695C CN B028203704 A CNB028203704 A CN B028203704A CN 02820370 A CN02820370 A CN 02820370A CN 100335695 C CN100335695 C CN 100335695C
- Authority
- CN
- China
- Prior art keywords
- drive motors
- drive
- frequency converter
- drive unit
- fluted roll
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings
- D01H5/82—Arrangements for coupling roller sections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
Abstract
According to one embodiment of the invention, a ring spinning frame having a plurality of drawing devices, each of which has long drawing rollers (20), can be produced. At least one drawing roller (20) can have several drive motors (12), more particularly four drive motors. The drive motors (12) of a drawing roller (20) are powered as a single drive motor and identically relative to one another by means of a common frequency converter (13). One of said drive motors (12a) has a resolver (15) for controlling the frequency converter thereby said motor being a servo motor.
Description
Technical field
The present invention relates to a kind of drive unit that is used for a kind of drafter of spinning machine.Particularly the present invention relates to a kind of ring spinner.
Background technology
A kind of such spinning apparatus has long fluted roll, and this fluted roll passes through a plurality of drafting systems of spinning machine at its longitudinal extension.This fluted roll is driven by drive motors.These motors are under normal conditions through inverter supply.It importantly will evenly be controlled these drive motors and evenly drive fluted roll thus, thereby realize desirable drafting system equilbrium running, keeps desired high-quality.
Disclose a kind of ring spinner among the DE2911378C2, its three fluted rolls are respectively by a motor-driven.Each motor configuration comprises the distinctive frequency converter of frequency regulator.Therefore need the quantity of frequency converter very big, cause buying and the maintenance cost costliness.
Summary of the invention
The objective of the invention is, the drive unit that provides a kind of the beginning part to mention is avoided shortcoming of the prior art with this, particularly reduces the expense of frequency converter, improves the control quality of drive motors.
The technical solution of the object of the invention is a kind of drive unit that is used for a kind of drafting system of spinning machine, fluted roll with a plurality of longitudinal extensions at machine, they respectively set two identical drive motors at least, described drive motors is connected on the common frequency converter, wherein in the drive motors that sets of fluted roll is servomotor, and its solver is connected on the common frequency converter.
Fluted roll according to the present invention has a plurality of drive motors as drive unit.The advantage of the drive motors of fluted roll is, accurately through a unique total inverter supply.Frequency converter is a common frequency converter preferably, and produces the output frequency of an adjustable control drive motors.Therefore, such motor is so-called servomotor, and has a solver and a kind of electric pulse generator.Control its frequency converter by means of this solver.This can realize by the frequency regulator of a frequency converter.The control of its frequency converter is carried out with known method.
Therefore, the invention provides a kind of like this frequency converter, it is powered to unique more powerful motor that has by means of the signal of solver or impulse generator.In fact, its motor is a plurality of low power single motors.Its general power is corresponding to the power by the big motor of Frequency Converter Control.To carry out the motor power supply of identical control to some by a solver and a frequency converter.Therefore saved the expense of buying and keeping in repair frequency converter.Preferred four motors are through an inverter supply.These motors are above-mentioned servomotors that have solver.Advantageously, solver can be assembled or be installed in the servomotor.
Preferably, a fluted roll is furnished with four drive motors, and what a drive motors is a servomotor.Be connected to fluted roll to wherein preferred drive motors mechanical fixation and/or intercouple.Adopt this type and mode, can realize making the motor or the just run-in synchronism of drive unit of fluted roll according to the present invention.Thereby they do not need compulsory mutual isogonism running.And synchronism is very important, and thus, the whole drafting system that is driven by fluted roll is with identical speed or keep the ground running of identical speed.Two fluted rolls can also be intercoupled.
Its motor preferably adopts synchronous motor, particularly the synchronous motor (PES) of preferred permanent magnet excitation.
In order to drive spinning machine, structure once can be set at least in part, drive motors is arranged on below the drafting system of machine.Drafting system has a left side and a right side respectively, and each can be divided into a head and a foot in both sides.At least two drive motors of every side drive at least one fluted roll.Particularly can be so that in each side of head and foot, two drive motors only drive the input fluted roll, two drive motors in addition drive intermediate draft roller and output fluted roll jointly.Therefore, owing at head and foot two motors are arranged respectively, its whole fluted roll has four motors, thereby intermediate draft roller and output fluted roll are furnished with four motors altogether.
Further advantageously, the electrical characteristics of the electric lead from frequency converter to each motor are consistent with each other.Thus, the driving difference of the duration of runs and variation can be avoided by different transmission line properties.Therefore the driven in synchronism that motor requires can be guaranteed in extra high degree.At this, the length that lead is preferably identical and/or be same.The same property of electric lead also may realize by other method of attachment.It is the simplest utilizing particularly same length of same lead and kind.
Description of drawings
Embodiments of the invention are shown in the drawings, and are discussed in more detail below.Wherein:
Fig. 1 is the signal partial view that an expression comprises the spinning machine drive unit of frequency converter;
Fig. 2 is another schematic diagram of expression drive unit that Fig. 1 is replenished.
The specific embodiment
In Fig. 1, represent the control of four drive motors 12a-d partly.These four drive motors are powered through a frequency converter 13, and are correspondingly controlled.Its power supply or control realize that by a solver 15 this solver 15 is connected with the driving mechanism 12a in Fig. 1 left side.This connects preferably as shown in Figure 1, and promptly solver 15 is connected with drive motors 12a or is mounted thereto.Obtain the position at the angle of drive motors 12a by solver 15, with the sensing lead angle and determine electric current.The signal that is recorded by the solver on the drive motors 12a 15 turns back on the frequency converter 13.Its signal is handled through frequency converter, thus controller drives motor 12a and control its drive motors 12b-d with same kind and the same manner.This method is corresponding to the control method of common synchronous motor.
Drive motors 12a is so-called servomotor, because it has solver 15.In addition, the structure of drive motors 12a can be identical with drive motors 12b-12d basically.
Drive motors 12a-d can all or with group partly be connected on the common axle.This may be advantageous forms and mode.Drive motors not necessarily turns round with angle mutually.Importantly, their run-in synchronism, promptly their position, angle does not change mutually.Under normal conditions, drive motors 12a-d is connected to spinning apparatus for example on the fluted roll of spinning machine by axle 16.Because the length of these fluted rolls is longer, reverses by producing on the length between two drive areas of a fluted roll.And problem is that this reversing is to change, and by accurate especially motor rotation, this can be avoided in the present invention.
The control of drive motors 12a-d or power supply are finished by main supply lines 17, tell each branch line 18a-d for each motor from this main supply lines.If the transmission line from frequency converter 13 to each single drive motors 12 is identical, then make drive motors 12a-d synchronously accurate especially.The particularly length of lead and kind.The lead-in wire that also should pay attention to each drive motors is identical.
Drive motors 12a-d is distributed in the head and the foot of a typical ring spinner, and respectively in the left side, one on the right side.The synchronous motor of permanent magnet excitation preferably.
As shown in Figure 2, for example, show a kind of typical construction of the driving of fluted roll 20a-c only for the left side 25 of ring spinner.The chain-dotted line of division below Fig. 2 between right side 26 and the left side 25 schematically represented.
For consistent with Fig. 1, two drive motors 12 of a side of such ring spinner link to each other with a fluted roll 20 by driving mechanism 21.In the case, drive motors 12 is fixedly connected to each other at a fluted roll 20.On the axle 16 of the drive motors 12 on each right side solver 15 is housed.This solver 15 is through the unshowned frequency converter of output line 19 controls, and this is similar to shown in Figure 1.
From unshowned frequency converter,, control each drive motors again by a main supply lines 17 and branch line 18.Among Fig. 2 be configured on the principle with Fig. 1 in structure corresponding, therefore corresponding four drive motors of each frequency converter are provided with other two drive motors of other branch line 18 to the right side of ring spinner from main supply lines 17.
That fluted roll 20a-c therefore can form drafting system respectively or device like that back, in, front draft.
Function
In technical scheme of the present invention, embodiment as shown in Figure 1 is equivalent to set a unique big motor to frequency converter 13.From this unique motor that sets, frequency converter obtains to drive signal or control signal by the solver on a motor shaft or the similarity piece.In fact,, power by means of main supply lines 17 and branch line 18 through frequency converter 13 to a plurality of particularly four drive motors.Therefore, the general power of these four motors is the power that produces on unique big drive motors of setting being equivalent to of frequency converter.For the state of a control that makes whole drive motors is identical, line resistance and contact resistance in the lead are coordinated mutually.Importantly make each motor have identical electric current and identical control.
Claims (10)
1. the drive unit that is used for a kind of drafting system of spinning machine, fluted roll (20) with a plurality of longitudinal extensions at machine, they respectively set two identical drive motors at least, described drive motors is connected on the common frequency converter (13), it is characterized in that one in the drive motors that fluted roll (20) sets is servomotor (12a), its solver (15) is connected on the common frequency converter (13).
2. drive unit as claimed in claim 1 is characterized in that solver (15) is installed in the servomotor (12a).
3. as the drive unit of claim 1 or 2, it is characterized in that giving four drive motors (12) power supply through a frequency converter (13).
4. drive unit as claimed in claim 1 is characterized in that a fluted roll (20) has four drive motors (12), is connected to fluted roll (20) to wherein said drive motors (12) mechanical fixation and/or intercouples.
5. drive unit as claimed in claim 1 is characterized in that drive motors (12) is a synchronous motor, and passes through permanent magnet excitation.
6. drive unit as claimed in claim 1 is characterized in that its drive unit constitutes at dividing into interposed structure, and wherein at least one drive motors (12) is arranged on below the drafting system.
7. drive unit as claimed in claim 1, it is characterized in that spinning machine has a left side (25) and a right side (26), and each head (23) and foot (24), at least two drive motors of wherein every side (25,26) (12) drive at least one fluted roll (20).
8. drive unit as claimed in claim 7, it is characterized in that in head (23) and each side (25 of foot (24), 26), two drive motors (12) only drive input fluted roll (20a), and two drive motors (12) drive intermediate draft roller (20b) and output fluted roll (20c) jointly.
9. drive unit as claimed in claim 1 it is characterized in that frequency converter (13) links to each other with drive motors (12) by means of electric lead (17,18), and the electrical property of the electric lead from the frequency converter to the drive motors (18) is consistent with each other.
10. drive unit as claimed in claim 9 is characterized in that electric lead (18) length is identical and/or is same.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2001151647 DE10151647A1 (en) | 2001-10-15 | 2001-10-15 | Drive for the long lower rollers of sliver drawing units, at a ring spinner, has identical motors for the rollers linked to a common frequency converter |
| DE10151647.9 | 2001-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1571868A CN1571868A (en) | 2005-01-26 |
| CN100335695C true CN100335695C (en) | 2007-09-05 |
Family
ID=7703048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028203704A Expired - Fee Related CN100335695C (en) | 2001-10-15 | 2002-10-15 | Drive device for the drawing devices of a spinning machine |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1436449A1 (en) |
| JP (1) | JP2005505704A (en) |
| CN (1) | CN100335695C (en) |
| CH (1) | CH695780A5 (en) |
| DE (1) | DE10151647A1 (en) |
| WO (1) | WO2003033786A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005054817A1 (en) * | 2005-11-15 | 2007-05-24 | Saurer Gmbh & Co. Kg | Ring spinning machine comprises drawframes whose draw rollers are driven by a main drive unit and have auxiliary drive units distributed along their length |
| DE102006002386A1 (en) * | 2006-01-17 | 2007-08-02 | Saurer Gmbh & Co. Kg | Motor assembly for stretching rollers of long ring spinning machine, includes stators with partially-open regions in their circumferences |
| CN101200823B (en) * | 2006-12-12 | 2010-09-01 | 天津工业大学 | Spin tester |
| CN102031599B (en) * | 2011-01-25 | 2012-07-25 | 东华大学 | Spun yarn testing machine |
| CN105200582A (en) * | 2015-09-13 | 2015-12-30 | 安徽中福毛纺制帽有限公司 | Novel drawing frame structure |
| DE102018112797A1 (en) * | 2018-05-29 | 2019-12-05 | Maschinenfabrik Rieter Ag | Method for determining operating states of a textile machine and a textile machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4336684A (en) * | 1979-03-23 | 1982-06-29 | Zinser Textilmaschinen Gmbh | Driving assembly for ring spinning or twisting machine |
| CN1040830A (en) * | 1988-07-06 | 1990-03-28 | 里特机械公司 | Synchronizable drive systems |
| DE19637757A1 (en) * | 1995-10-11 | 1997-04-17 | Rieter Ag Maschf | Control system for drawing cylinder motors at a ring spinner |
| US6216430B1 (en) * | 1999-03-06 | 2001-04-17 | Zinser Textilmaschinen Gmbh | Spinning machine with a multiplicity of electrical loads |
-
2001
- 2001-10-15 DE DE2001151647 patent/DE10151647A1/en not_active Withdrawn
-
2002
- 2002-10-15 CH CH10532003A patent/CH695780A5/en not_active IP Right Cessation
- 2002-10-15 JP JP2003536501A patent/JP2005505704A/en active Pending
- 2002-10-15 EP EP02767031A patent/EP1436449A1/en not_active Withdrawn
- 2002-10-15 WO PCT/CH2002/000566 patent/WO2003033786A1/en active Application Filing
- 2002-10-15 CN CNB028203704A patent/CN100335695C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4336684A (en) * | 1979-03-23 | 1982-06-29 | Zinser Textilmaschinen Gmbh | Driving assembly for ring spinning or twisting machine |
| CN1040830A (en) * | 1988-07-06 | 1990-03-28 | 里特机械公司 | Synchronizable drive systems |
| US5015938A (en) * | 1988-07-06 | 1991-05-14 | Rieter Machine Works, Ltd. | Synchronizable drive system |
| DE19637757A1 (en) * | 1995-10-11 | 1997-04-17 | Rieter Ag Maschf | Control system for drawing cylinder motors at a ring spinner |
| US6216430B1 (en) * | 1999-03-06 | 2001-04-17 | Zinser Textilmaschinen Gmbh | Spinning machine with a multiplicity of electrical loads |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003033786A1 (en) | 2003-04-24 |
| CH695780A5 (en) | 2006-08-31 |
| CN1571868A (en) | 2005-01-26 |
| DE10151647A1 (en) | 2003-04-24 |
| JP2005505704A (en) | 2005-02-24 |
| EP1436449A1 (en) | 2004-07-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20091116 |