EP0728856B1 - Verfahren zum Aufwickeln von Fadenscharen und Aufwickelvorrichtung für Fadenscharen - Google Patents
Verfahren zum Aufwickeln von Fadenscharen und Aufwickelvorrichtung für Fadenscharen Download PDFInfo
- Publication number
- EP0728856B1 EP0728856B1 EP96102322A EP96102322A EP0728856B1 EP 0728856 B1 EP0728856 B1 EP 0728856B1 EP 96102322 A EP96102322 A EP 96102322A EP 96102322 A EP96102322 A EP 96102322A EP 0728856 B1 EP0728856 B1 EP 0728856B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- drive
- brake
- torque
- machine
- 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 - Lifetime
Links
- 238000004804 winding Methods 0.000 title claims description 106
- 238000000034 method Methods 0.000 title claims description 19
- 230000008569 process Effects 0.000 title claims description 8
- 238000005259 measurement Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008672 reprogramming Effects 0.000 description 2
- 238000009420 retrofitting Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H7/00—Combined warping and beaming machines
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/12—Variable-speed driving mechanisms
Definitions
- the invention relates to a method for winding of thread coulters, in which the threads with a winding machine be withdrawn from a rotatable thread store, especially from the drum of a cone warping machine which is measured in proportion to the winding tensile force and according to the measurement result, a winding drive and / or a deduction-side braking device is affected.
- Such a method is generally known. It will performed when treeing, when the coulter of a drum a cone warping machine is rearranged on a winding tree.
- the winding tensile force must be influenced so that the Wrap the wrap tree a desired proper construction and has a maximum permissible stress on the threads is not exceeded. The influence is made by Braking the drum.
- the one required to determine the braking force Control variable is with a dancer or control roller won in the course of the thread between the Drum of the cone warping machine and the winding tree of the tinning machine is arranged.
- the group of threads wraps around the dancer roller, guided by guide rollers running in the thread running direction are arranged in front of and behind the dancer roller.
- the invention is based on the object to improve the aforementioned method so that it without an expensive and sluggish tax system, even at very low ones Winding tensile forces can be carried out precisely.
- This object is achieved in that the thread group from the take-off point of the thread store to the take-up point the winding machine runs freely from measuring deflection points, and that the measurement result from the drive train of the winding drive and / or obtained from the brake train of the brake device becomes.
- the thread group between the two windings i.e. between the one to be unwound and the winding to be wound runs completely without deflection.
- such goods can also be wrapped that are critical of any redirection.
- the winding tensile force is maintained with tight tolerances can, e.g. +/- 5%.
- the measurement result with sufficient Accuracy can be obtained.
- the best suitable location of the drive train of the winding drive or the brake train of the braking device used become.
- the measurement result determine as accurately as possible.
- the procedure can also for warping / assembling systems or slip tree drains be performed. Because between the two wraps no constructive interventions due to the procedure the procedure is suitable especially for the retrofitting of old systems or for the retrofitting of systems with dancer rollers.
- the procedure with a programmable logic controller Control is carried out, there are significant advantages.
- operating parameters can be taken into account without further notice be due to different interpretations the system with which the process is carried out becomes.
- the data can be different rotatable thread storage and different winding trees can be entered.
- other operating parameters can also be used be predetermined, for example and especially the winding traction depending on the goods to be wrapped or Thread cluster.
- design changes to such a system can by reprogramming the programmable logic Control can be easily considered. For different Thread sheets and thread sheets made of different threads can each have preprogrammed curves in the control are stored, their activation in the event of a conversion A push of a button is possible.
- Control also starts and / or braking by proportionality factors according to the required Acceleration and / or deceleration moments are taken into account as well as control loop factors, for example Integral parts.
- a storage drive rotatable thread storage used is, whose storage drive in pushing operation additionally is used for the winding drive.
- the storage drive which advantageously also from the programmable logic controller Control is affected, in particular then Use when large masses have to be moved on the unwinding side for example in start-up mode. With such a storage drive the journey times can be reduced, so those times that are necessary to the rotatable thread storage accelerate so that the full thread speed is achieved. Such arrival times are special with long winding tensile forces very long and affect productivity.
- the storage drive can then also Use when the winding tension of the thread sheet is not is large enough to handle the unwinding effective at storage standstill To overcome friction or breakaway torques.
- the invention also relates to a winding device for thread coulters, with a winding machine, in particular a reaming machine with a rotatable thread store, in particular a drum of a cone warping machine, with a measuring device for determining one of the during winding current winding tension proportional size, and with a control and regulating device to influence a Winding drive and / or a trigger-side braking device for the thread storage.
- a winding device for thread coulters with a winding machine, in particular a reaming machine with a rotatable thread store, in particular a drum of a cone warping machine, with a measuring device for determining one of the during winding current winding tension proportional size, and with a control and regulating device to influence a Winding drive and / or a trigger-side braking device for the thread storage.
- the winding device in such a way that the coulter of thread from the withdrawal point of the thread store to the take-up point of the winding machine without measuring points is that a drive torque meter in the drive train of the winding drive and / or a braking torque meter in the brake train is arranged, and that the torque meter or torque meters to the Control and regulating device is or are connected.
- Such a device has one related to the control system much simpler construction, as deflection and Dancer facilities are eliminated.
- the drive or braking torque meter can be selected so that in the anyway existing drive train or brake train in a suitable configuration and can be used at a suitable location. you Connection to the control and regulation device or to a Programmable logic controller is technically straightforward possible and allows the structure of the take-up reel to further simplify. It remains unaffected that the winding drive or the braking device e.g. in dependence of regardless of the size or capacity of the rewinder can be trained without significant influence be taken on the construction of the rewinder ought to.
- more powerful drives or more Brakes can be integrated into the take-up device as required, without changing the drive and braking torque meter should be, provided they have the required measuring range to have.
- the winding device in such a way that that the braking device has a mechanical brake, which are movably supported on the braking torque meter is.
- the support of the mechanical brake on the braking torque meter enables easy detection of the braking torque in the Brake line by applying the support force of the brake when braking is determined.
- This support force is proportional to the braking torque and can in principle with comparatively simple Means can be determined precisely.
- the rewinder can be braked easily and precisely be when the braking device is a fluidic Brake caliper is, the legs of which can be moved on the braking torque meter are supported.
- the braking device is arranged in the brake train and the winding tensile force is influenced by the braking device.
- the winder it may be advantageous to use the winder to be designed so that a torque sensor on the bearing shaft flanged to hold the wrapping tree and movably supported on the output side on the drive torque meter is. In this case, the powertrain is measured and accordingly affects the winding tension.
- the measurement of the braking or driving torque should be as possible done exactly.
- the device is therefore designed so that the brake or drive torque meter is fixed to the machine frame Has a guide table on which a snapshot of moments is led, which is proportional to traction Measured variable acting force meter acts.
- the Dynamometer measures very precisely and practically without a path.
- the device can be between the dynamometer and the braking device or the torque sensor should be designed so that despite the relative movement given in the brake train or in the drive train there is an exact conversion of the measured variables. To this The purpose of the moment recording slide is linear.
- a particularly precise guidance of the moment recording slide exists when the take-up device is so designed is that the moment-taking carriage two the mechanical Brake or parallel guide rods coupling the torque sensor has at both ends in linear ball guides to store. Such guidance is based on high-precision linear movements Voted.
- the thread store 12 shown in FIGS. 1, 2 is the Drum 12 'of a cone warping machine.
- This cone warping machine was a thread group 10 'of threads not shown Bobbin wound up in strips until the thread storage 12 or the drum was fully wound.
- This cone warping process was carried out in a manner known per se, like using a cross reed 35, a support 36 and a thread measuring and pressing device 37 with which the the respective outside diameter of the winding was determined and recorded.
- a control and regulating device was used, the is designed as a programmable logic controller 19 and a diameter sensor 38 for measuring the diameter of the winding on the drum 12 '.
- There is a winding drive 16 the under others held up by a holding device 39
- To drive winding tree 27 in dependence on the controller 19 can Accordingly, the thread sheet 10 of the Drum 12 'between the side windows 27' of the winding tree 27 wrapped.
- the threads run from the respective withdrawal point 14 of the thread store 12 without deflection up to Winding point 15 of the winding machine 11, as shown in Fig.1 which is the direction of the thread with a straight arrow and the directions of rotation of the drum 12 'or the winding tree 27 with curved arrows.
- the braking devices 13 are, for example, hydraulic brake calipers used by valves 41 are applied, which the hydraulic fluid of a memory 42 obtained from a pressure transducer 43 which be influenced by the programmable controller 19 can.
- a braking torque meter 22 see. Fig. 3, 4, which with an electrical coupling device 44 via a Amplifier 45 is connected to the controller 19. It there is only a single braking torque meter 22 because it can be assumed that the other braking devices 13 are equivalent, so that the plurality of braking devices 13 can be taken into account on the tax side, that is by the programmable logic controller 19.
- the mechanical braking device 13 as a hydraulic brake caliper with two legs 23.
- the two brake legs 23 each form two-armed levers, which are each pivotally mounted with lever axles 46 to a limited extent are.
- At one end of each leg 23 is a brake shoe 47 articulated. Both opposing brake shoes 47 press on the brake flange 40 of the drum 12 '.
- At the other end 48 of the drum-side leg 23 engages Piston rod of a hydraulic brake cylinder 49.
- the Piston rod outlet is sealed by a bellows 50.
- the hydraulic cylinder 49 is at the end 51 of the drum Leg 23 attached and in a manner not shown hydraulically connected.
- FIG. 5 to 7 show a winding device, at which a winding tree 27 from a winding drive, not shown here driven by a gimbal drive train 17 becomes.
- a winding tree 27 from a winding drive not shown here driven by a gimbal drive train 17 becomes.
- detachable bracket 26 which has a bearing shaft 25, which in a frame 58 of the winding machine 11 in rolling bearings 59 is rotatably mounted.
- a torque sensor 24 is arranged, which is connected to the winding drive 16 is to be acted upon and has an encoder output 60 which one Torque take-up slide 29 of a drive torque meter 21 acted upon.
- the carriage 29 corresponds in its construction except for its coupling parts adapted to the torque sensor 24 the slide 29 of the braking torque meter described above 22.
- the drive torque meter 21 is according to Fig.5 and Detail of Figure 5 of a bracket 61 in one on the torque sensor 24 matched position held to the hitch to facilitate the encoder output 60.
- FIG. 6 shows a diameter sensor 38 'for determination the diameter or the winding thickness of the winding tree 27, the output of the programmable logic controller 19 is supplied, this size, as well as the measurement result of the diameter sensor 38 when controlling the winding drive 16 considered.
- FIG. 11 diagrammatically depict the course of the moment of the diameter of the winding of the winding tree 27 'shows. It is the course of the torque required for winding or Boom moment Mb is given depending on the diameter D. It can be seen that this winding torque or the winding tensile force the larger the must be, the thicker the wound Wrap is. Fig.
- FIG. 11 shows the diagram for a maximum Tree speed of about 200 mm per unit of time at one maximum winding tensile force of about 3000 N.
- the lower illustration refers to a treeing speed of about 100 mm per unit of time with a winding tensile force of approx 200 N. It can be seen that the winding drive 16 too generating torque Mb can be significantly lower if the winding tensile force is reduced. The representations of Mb have the same torque scale. Accordingly, too the winding drive 16 is considerably smaller and therefore also cheaper be trained.
- the braking or driving torque meter 21,22 are the same, except of their special coupling parts that are connected to the braking device 13 or adapted to the torque sensor 24.
- the Moment-taking slide 29 is fixed on a machine frame Guide table 28 movably guided.
- the leadership table 28 is on the machine frame with locking washers 62 secured mounting screws 63 attached.
- a protective hood 64 with fastening screws 65 fixed.
- the moment-taking slide 29 has parallel struts 66, with the respective coupling parts for the braking device 13 or for the winding drive 16 are firmly connected.
- the parallel struts 66 are interconnected by a central body 67 connected, hardened in the end recesses Bushes 68 are inserted for supporting support springs 33, 34 are.
- the lower support spring 34 in FIG. 8 presses on a flange bushing 69, which in turn on a pin of a threaded bolt 70 sits, which is screwed firmly into the guide table 28 is and the screw-in position by a Cross hole nut 71 is secured.
- the upper support spring 33 supports a pressure piece 72, the pin 74 with a fastening nut 75 is attached to a dynamometer 30.
- the Force meter 30 is attached to a fastening screw 77 Backing plate 76 attached, which in turn with fastening and spacing means 78 on the guide table 28 is attached.
- the support spring 33,34 are biased so that Pressure piece 72 is always pressed against the dynamometer 30.
- This is designed as a strain gauge and has one linear characteristic. According to the deflection of the central body 67 of the guide carriage 29, it gives a measured variable from, namely the measurement result from the drive train 17 of the Winding drive 16 or, with appropriate coupling to the Brake line, from the brake device 13 of the brake line 18th
- the cushioning of the guide carriage 29 can be carried out by suitable means Training of the support springs 33,34 are influenced the forces occurring during the operation of the winding device or moments and the characteristic or measuring range of the dynamometer 30 to adapt to each other. If the design-related Damping the brake or drive torque meter 21.22 insufficient damping measures can be taken become. For example, a damping cylinder be used.
- guide rods 31 There are two guide rods 31 available, which are aligned exactly parallel to each other are.
- the guide rods 31 and the central body 67 or the support springs 33, 34 are in the same plane as can be derived in particular from FIG.
- the guide rods 31 engage in linear ball guides 32 with circlips 80 held in holding bushings 81 of the guide table 28 are.
- Two linear ball guides 32 each align and provide for the low-friction longitudinal guidance of the guide rods 31.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Winding Filamentary Materials (AREA)
Description
- Fig.1
- eine schematische Seitenansicht einer Aufwickelvorrichtung,
- Fig.2
- eine Aufsicht auf die Aufwickelvorrichtung der Fig.1 in Richtung A, ergänzt durch zum Betrieb erforderliche Antriebs- und Schaltelemente,
- Fig.3
- das Detail B der Fig.1,
- Fig.4
- das Detail C der Fig.2,
- Fig.5
- eine quer zur Wickelachse gerichtete Seitenansicht auf den Antriebsstrang des Wickelantriebs einer Aufwickelvorrichtung im Bereich eines Endes eines Wickelbaums,
- Fig.6
- eine Ansicht in Richtung D der Fig.5,
- Fig.7
- eine abgewandelte Teilaufsicht in Richtung E der Fig.6 mit einem schematisch dargestellten Momentenmesser,
- Fig.8
- den Momentenmesser der Fig.7 in detaillierter, teilweiser geschnittener Darstellung,
- Fig.9
- den Schnitt A-A der Fig.8,
- Fig.10
- eine Aufsicht auf den Momentenmesser der Fig.8 in Richtung F, und
- Fig.11
- zwei Diagramme M=f(D) zur Darstellung der Abhängigkeit des Antriebsmoments vom Wickeldurchmesser.
Claims (14)
- Verfahren zum Aufwickeln von Fadenscharen (10), bei dem die Fäden mit einer Wickelmaschine (11) von einem rotierbaren Fadenspeicher (12) abgezogen werden, insbesondere von der Trommel (12') einer Konusschärmaschine, bei dem eine der Wickelzugkraft proportionale Größe gemessen und dem Meßergebnis entsprechend ein Wickelantrieb (16) und/oder eine abzugseitige Bremseinrichtung (13) beeinflußt wird bzw. werden, dadurch gekennzeichnet, daß die Fadenschar (10) von der Abzugstelle (14) des Fadenspeichers (12) bis zur Aufwickelstelle (15) der Wickelmaschine (11) von Meßumlenkstellen frei verläuft, und daß das Meßergebnis aus dem Antriebsstrang (17) des Wickelantriebs (16) und/oder aus dem Bremsstrang (18) der Bremseinrichtung (13) gewonnen wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß es mit einer speicherprogrammierbaren Steuerung (19) durchgeführt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Wickelantrieb (16) in Abhängigkeit vom Wikkeldurchmesser des Fadenspeichers (12) und/oder eines Wickelbaums (27) der Aufwickelvorrichtung beeinflußt wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß ein mit einem Speicherantrieb (20) rotierbarer Fadenspeicher (12) verwendet wird, dessen Speicherantrieb (20) im schiebenden Betrieb zusätzlich zum Wickelantrieb (16) eingesetzt wird.
- Aufwickelvorrichtung für Fadenscharen (10), mit einer Wickelmaschine (11), insbesondere einer Bäummaschine, mit einem rotierbaren Fadenspeicher (12), insbesondere einer Trommel einer Konusschärmaschine, mit einer Meßeinrichtung zur Ermittlung einer der beim Aufwickeln momentanen Wickelzugkraft proportionalen Größe, und mit einer Steuer- und Regeleinrichtung zur Beeinflussung eines Wickelantriebs (16) und/oder einer abzugseitigen Bremseinrichtung (13) für den Fadenspeicher (12), dadurch gekennzeichnet, daß die Fadenschar (10) von der Abzugstelle (14) des Fadenspeichers (12) bis zur Aufwikkelstelle (15) der Wickelmaschine (11) meßumlenkstellenfrei ist, daß im Antriebsstrang (17) des Wickelantriebs (16) ein Antriebsmomentenmesser (21) und/oder im Bremsstrang (18) ein Bremsmomentenmesser (22) angeordnet ist, und daß der oder die Momentenmesser (21,22) an die Steuer- und Regeleinrichtung angeschlossen ist bzw. sind.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Bremseinrichtung (13) eine mechanische Bremse aufweist, die an dem Bremsmomentenmesser (22) beweglich abgestützt ist.
- Vorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Bremseinrichtung (13) eine fluidtechnische Bremszange ist, deren Schenkel (23) an dem Bremsmomentenmesser (22) beweglich abgestützt sind.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß ein Momentengeber (24) an die Lagerwelle (25) für eine Halterung (26) des Wickelbaums (27) angeflanscht und ausgangsseitig beweglich am Antriebsmomentenmesser (21) abgestützt ist.
- Vorrichtung nach einem oder mehreren der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß der Brems- oder Antriebsmomentenmesser (21,22) einen maschinengestellfesten Führungstisch (28) hat, an dem ein Momentenaufnahmeschlitten (29) geführt ist, der auf einen eine zugkraftproportionale Meßgröße abgebenden Kraftmesser (30) einwirkt.
- Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß der Momentenaufnahmeschlitten (29) linear geführt ist.
- Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß der Momentenaufnahmeschlitten (29) zwei die mechanische Bremse oder den Momentengeber (24) kuppelnde parallele Führungsstangen (31) aufweist, die beidendig in Linearkugelführungen (32) lagern.
- Vorrichtung nach einem oder mehreren der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß der Momentenaufnahmeschlitten (29) auf einander gegenüberliegenden Seiten federnd abgestützt ist.
- Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß der Momentenaufnahmeschlitten (29) fluchtende Abstützfedern (33,34) in der Symmetrieebene der Führungsstangen (31) aufweist.
- Vorrichtung nach einem oder mehreren der Ansprüche 9 bis 13, dadurch gekennzeichnet, daß der Momentenaufnahmeschlitten (29) federnd an dem Kraftmesser (30) abgestützt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19506097A DE19506097A1 (de) | 1995-02-22 | 1995-02-22 | Verfahren zum Aufwickeln von Fadenscharen und Aufwickelvorrichtung für Fadenscharen |
DE19506097 | 1995-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0728856A1 EP0728856A1 (de) | 1996-08-28 |
EP0728856B1 true EP0728856B1 (de) | 1999-06-09 |
Family
ID=7754715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96102322A Expired - Lifetime EP0728856B1 (de) | 1995-02-22 | 1996-02-16 | Verfahren zum Aufwickeln von Fadenscharen und Aufwickelvorrichtung für Fadenscharen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0728856B1 (de) |
DE (2) | DE19506097A1 (de) |
ES (1) | ES2133852T3 (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3817252A1 (de) * | 1988-05-20 | 1989-11-30 | Hollingsworth Gmbh | Verfahren und vorrichtung zur regelung der wickelspannung einer fadenkette |
DE59007291D1 (de) * | 1989-01-16 | 1994-11-03 | Benninger Ag Maschf | Verfahren und Vorrichtung zur Geschwindigkeitsregelung eines Kettbaums. |
DE4304955A1 (de) * | 1993-02-18 | 1994-08-25 | Mayer Textilmaschf | Verfahren zum Umbäumen von Fäden auf einen Kettbaum und zugehörige Bäummaschine |
-
1995
- 1995-02-22 DE DE19506097A patent/DE19506097A1/de not_active Withdrawn
-
1996
- 1996-02-16 DE DE59602135T patent/DE59602135D1/de not_active Expired - Lifetime
- 1996-02-16 ES ES96102322T patent/ES2133852T3/es not_active Expired - Lifetime
- 1996-02-16 EP EP96102322A patent/EP0728856B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19506097A1 (de) | 1996-08-29 |
DE59602135D1 (de) | 1999-07-15 |
ES2133852T3 (es) | 1999-09-16 |
EP0728856A1 (de) | 1996-08-28 |
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