EP2740699A2 - Spooling device for a workstation of a textile machine for creating cross-wound spools - Google Patents
Spooling device for a workstation of a textile machine for creating cross-wound spools Download PDFInfo
- Publication number
- EP2740699A2 EP2740699A2 EP13005378.8A EP13005378A EP2740699A2 EP 2740699 A2 EP2740699 A2 EP 2740699A2 EP 13005378 A EP13005378 A EP 13005378A EP 2740699 A2 EP2740699 A2 EP 2740699A2
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- EP
- European Patent Office
- Prior art keywords
- thread
- cheese
- winding device
- fadenchangiereinrichtung
- winding
- 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.)
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- 239000004753 textile Substances 0.000 title claims description 8
- 238000004804 winding Methods 0.000 claims abstract description 90
- 235000013351 cheese Nutrition 0.000 claims description 74
- 230000009467 reduction Effects 0.000 claims description 7
- 206010052428 Wound Diseases 0.000 description 30
- 208000027418 Wounds and injury Diseases 0.000 description 30
- 238000000034 method Methods 0.000 description 26
- 230000008569 process Effects 0.000 description 25
- 240000002129 Malva sylvestris Species 0.000 description 8
- 235000006770 Malva sylvestris Nutrition 0.000 description 8
- 238000003825 pressing Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007378 ring spinning Methods 0.000 description 1
Images
Classifications
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- 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
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/28—Traversing devices; Package-shaping arrangements
-
- 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
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2821—Traversing devices driven by belts or chains
-
- 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
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2827—Traversing devices with a pivotally mounted guide arm
-
- 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
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
- B65H54/553—Both-ends supporting arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/005—Means compensating the yarn tension in relation with its moving due to traversing arrangements
-
- 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
Definitions
- the invention relates to a winding device for a workstation of a cross-wound textile machine according to the preamble of claim 1.
- Winding machines of textile machines which serve for the production of cheeses, must be known to fulfill at least two basic conditions. Firstly, such winding devices must have a device which makes it possible to set a sleeve or a cheese into rotation, that is, to rotate so that a thread can be wound up; on the other hand, there must be a device which allows the thread to be constantly traversed during winding - this means to constantly change the thread between the package sides of the package.
- winder devices In connection with automatic spooling machines, for example, winder devices have long been known in which the sleeve or cross-wound bobbin is frictionally driven by means of a so-called slot drum.
- slot drum For example, in these DE 195 46 539 A1 Spulvorraumen described rotatably held in a creel mounted cross-wound bobbin with its surface on a drivable groove drum and is carried along by this during the winding operation via frictional engagement.
- a thread guiding groove embedded in the groove drum ensures that the thread is changed according to the rules between the two coil sides of the package.
- a winding device whose Fadenchangier noticed has a finger-like thread guide with an end arranged guide fork for traversing the thread.
- the thread guide is pivotable about an axis of rotation oriented substantially perpendicular to the cheese axis and is acted upon by an electromechanical single drive.
- the rotation of the cheese is done in this known winding device either by friction via a single motor acted upon drive roller or a drive device not described in detail, in which a single drive is integrated into the creel. That is, the single drive acts on one of the sleeve plates, between which the cross-wound bobbin is mounted, rotate in the sense.
- a yarn guide with tape drive that is, a changierbarer yarn guide is connected via a finite, flexible connecting means to an electric motor single drive.
- the finite, flexible connecting means is designed so that it can transmit both tensile and compressive forces.
- winding devices in which the cheese, as described above, during the winding process by means of a drive roller rotates and trailing yarn is traversed simultaneously by a separately driven yarn guide between the two coil sides have the disadvantage that in such winding devices during the winding process relatively large following errors are unavoidable. That is, the conditional by the drive roller, relatively large distance between the yarn guide and the casserole point of the thread on the rotating surface of the cheese causes that during the winding process, the yarn feeding point always remains well behind the position of the yarn guide.
- This thread length which results between the deflection point of the thread on the thread guide and the point of emergence of the thread on the rotating surface of the cross-wound bobbin is, as already explained above, usually referred to as lag error in professional circles.
- Such winding devices in which the cross-wound bobbin is driven directly, that is, in which one of the two rotatably mounted on the coil frame arms of the creel tube sleeve receiving plate is connected directly to a variable speed drive, are for example in the DE 43 10 905 A1 or in the DE 43 30 647 A1 be-written.
- the present invention seeks to improve the known winding devices so that during the winding process in a relatively simple manner, a significant reduction in the size of the drag error occurring can be achieved.
- the bobbin tube of a cross-wound bobbin is fixed between the bobbin receiving plates of a creel, wherein one of the bobbin receiving plates can be acted upon by a drive device integrated into the creel, for example.
- the creel is also equipped with a defined controllable, subject to single motor coil frame positioning. This bobbin frame positioning device ensures that the cross-wound bobbin held in the bobbin frame is positioned at a distance apart from the thread baffle device during the bobbin winding process.
- the bobbin frame positioning means ensures throughout the bobbin travel of the cheese a constant distance a between the Fadenchangier immunity and the surface of the cheese, which in particular has the advantage that can be completely dispensed with the hitherto necessary use of a support roller or the like ,
- This means that the possible absence of a back-up roller or the like on account of the use of the inventive creel-positioning device makes it possible to position the thread-changing device significantly closer to the surface of the cheese, which leads to winding devices which work according to the invention with significantly minimized following errors. With the winding devices according to the invention, therefore, high-quality cheeses can be produced in a relatively simple and cost-effective manner.
- a Fadenleitkontur is arranged, whose clear distance from the cheese corresponds to the distance a.
- the distance a on the one hand must be large enough to avoid contact of the moving coil surface to the guide contour, on the other hand be so small for the reasons mentioned above, so it should advantageously be between 0.5 and 3 mm depending on the Spulparametern.
- Fadenleitkontur which is preferably as described in claim 3, attached to the housing of the Fadenchangier worn and having a convex yarn guide surface, during the Fadenchangierens a relatively good uniformity of the yarn running speed when winding the yarn can be achieved on the cheese. That is, by the convex yarn guide the Fadenleitkontur fluctuations in the yarn running speed, as they occur in the traversal of a running on a cross-wound yarn, at least partially balanced and thereby the occurrence of yarn tension peaks during the winding process are largely avoided.
- Fadenleitkontur is not mandatory. Basically, with a corresponding modification of the yarn guide, an operation of the winding device according to the invention.Also possible without such Fadenleitkontur.
- the Fadenchangier driving is arranged in an advantageous embodimentType that at the beginning of the coil travel of a cheese, viewed in side view of the winder, between the plane of the changeable yarn guide and the planes of the coil frame arms is given an angle whose value between + 10 ° and - 10 °.
- Practical experiments have shown that a particularly advantageous embodiment is given when, as set forth in claim 5, the FadenchangierISS is arranged so that at the beginning of the coil travel a cheese the plane of the changeable yarn guide runs parallel to the planes of the coil frame arms.
- the creel-positioning device has a built-in the work place housing a job, acted upon by a controllable stepper motor reduction gear.
- a reduction gear can be acted upon by a stepping motor is basically known in a comparable embodiment in connection with winding devices in which the contact pressure of a held in a creel, resting on a bobbin drive roller cheese to be kept constant and, for example in the DE 100 60 237 A1 described.
- the reduction gear has been slightly modified compared to the known device, that is, for example, was dispensed with the use of spring elements as a torque sensor and instead switched the reduction gear directly to the pivot axis of the coil frame.
- a pressure roller In the area of the winding device, spaced apart from the thread-changing device, for example, a pressure roller is installed, which is arranged so that the floating cross-wound bobbin can be subjected to a predeterminable pressing force during the bobbin travel (claims 7).
- a pressure roller With regard to the storage of such a pressure roller very different embodiments are possible.
- the pressure roller may for example be connected via a bearing arm to an adjusting device arranged on the creel that, if necessary, an optimal adjustment of the pressing force of the pressure roller is possible via this adjusting device.
- an adjusting device arranged on the creel that, if necessary, an optimal adjustment of the pressing force of the pressure roller is possible via this adjusting device.
- the pressure roller is preferably arranged on the side opposite the Fadenchangier adopted the cross-wound bobbin (Anspr.8).
- Such an arrangement not only makes it relatively easy to prevent obstructions in the area of the thread-changing device, but such an arrangement also offers sufficient space for a separate pressure-roll-applying or -beaufschlagungs noticed (not shown).
- a pressure roll applying or -beaufschlagungs might have a pressure roller bearing, which is equipped with compression springs or the like.
- the spring force is adjustable, for example, the force with which the pressure roller acts on the cheese during the winding process , be set relatively accurately.
- the pressure roller may also have a sensor device for determining the rotational speed of the pressure roller (Anspr.9).
- a sensor device for determining the rotational speed of the pressure roller (Anspr.9).
- the thread-traversing device which traverses the incoming thread between the coil sides of the cross-wound bobbin during the winding process, can have different embodiments.
- the Fadenchangier dressed is equipped for example with a finger thread guide.
- a finger thread guide With such in the textile industry known and proven Fingerfaden existedn not only relatively high traversing speeds can be realized, but such Fingerfadenraising are also very flexible in connection with winding devices. That is, with such a finger thread guides can be produced, for example, cross reels of different widths and / or with different shapes, for example, straight, conical or biconical cheeses.
- the Fadenchangier realized a reversibly drivable yarn guide, which is connected to a finite, flexible connecting means which can transmit both tensile and compressive forces. That is, on a finite, flexible connecting means, such as a spring steel strip, which is acted upon by a reversible electric motor drive and linearly guided in the traversing range, a yarn guide is attached, which has a distance a to the surface of a rotating cheese during the winding process.
- the Fadenchangier worn on a yarn guide which, as known for a long time, is connected to a Endlosriemchen, which in turn is in communication with a reversible electric motor drive.
- the yarn guide according to claim 12 has a distance a to the surface of a rotating cheese during the winding process.
- FIG. 1 is a side view schematically a job 2 a cross-wounds-producing textile machine 1, in the present case of a so-called cross-winding machine, shown.
- Such cross-winding machines 1 have, as is known, between their (not shown) Endgestellen each have a variety of identical jobs 2.
- On these jobs 2, which are also often referred to as winding units are, as also known and therefore not explained in more detail, preferably produced on a ring spinning machine spinning cops 3 rewound into large-volume cheeses 5, which after their completion by means of a (not shown) service unit, for example, a cheese changer, transferred to a machine-length cross-bobbin transport device 7 and transported to a machine loading side arranged Spulenverladestation or the like.
- a service unit for example, a cheese changer
- Such spooling machines 1 also often have a logistics device in the form of a bobbin and tube transport system 6, in which, usually on transport plates 11, the spinning cops 3 or the unloaded empty tubes circulate.
- a logistics device in the form of a bobbin and tube transport system 6, in which, usually on transport plates 11, the spinning cops 3 or the unloaded empty tubes circulate.
- a bobbin and tube transport system 6 are in FIG. 1 only the Kopszu 1500robe 24, the reversibly driven storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the sleeve return path 27 shown.
- the individual work stations 2 further have, as is known and therefore only indicated, in each case via various devices which enable a proper operation of such work stations 2.
- These devices are, for example, a lower thread sensor 40, which is connected via a signal line 41 to a workstation computer 28, a thread cleaner 22, which communicates via a control line 29 with the workstation computer 28, arranged in the region of a thread cleaner 22 thread cutting device 23, the workstation computer 28 is controllable via a line 30, a yarn tension sensor 20 which is connected via a signal line 21 to the workstation computer 28 and a paraffining device 33rd
- the workstation computer 28 is in turn, as in Fig.1 indicated, for example, via a bus connection 31, connected to the central control unit 32 of the automatic winder 1.
- Each of the jobs 2 also has, as usual, a suction nozzle 35, a so-called gripper tube 37 and a pneumatic yarn splicing device 36.
- such jobs 2 each have a generally designated by the reference numeral 4 winding device, which has inter alia a movably mounted around a pivot axis 12 creel 8.
- a bobbin tube of a cross-wound bobbin 5 is held between the coil frame arms 9 and the sleeve receiving plates 15.
- a drive device 19 is integrated, which rotates the cheese 5 during the winding process. That is, the drive of the cheese 5 via a variable speed drive means 19, for example, an electronically commutated DC motor, which is arranged directly on the coil frame 8, or incorporated in one of the coil frame arms 9.
- the traversing of the thread 16 running onto the cross-wound bobbin 5 during the winding process takes place by means of a thread-changing device 10.
- Fadenchangier nails 10 may have various embodiments.
- the Fadenchangier beautiful 10 may, for example, as in the FIGS. 2 and 3 shown in a larger scale, in an advantageous embodiment, have a finger thread guide 13, which, acted upon by an electric motor drive 14, the thread 16 traversed between the two end faces of the content Erten in the coil frame 8 and rotated by the drive 19 cheese 5.
- the electric motor drive 14 is connected via a control line 18 to the workstation computer 28.
- the thread 16 slides during its traversal by the Fadenchangier immunity 10 also has a Fadenleitkontur 34.
- the thread 16 runs before it touches the surface 39 of the cheese 5, a Fadenleitkontur 34, the thread in the direction of F close behind the Fingerfaden owned 13th the Fadenchangier noticed 10 is arranged and whose central region has a convex yarn guide surface 42.
- the winding device 4 is further equipped with a so-called creel positioning device 38, which ensures that between the surface 39 of the rotatable cheese 5 and the bobbin tube and preferably a Fadenleitkontur 34 always a constant, small distance a from 0.5 to 3 mm is given and that this distance a is maintained even if the diameter of the cheese 5 is larger in the course of the coil travel.
- the Fig.2 shows a winding device 4 equipped according to the invention on a larger scale.
- Der Thread 16 is also traversed by the finger thread guide 13 a Fadenchangier founded 10 between the coil sides of the cheese 5.
- the creel 8 is also provided with a creel positioner 38.
- This creel-positioning device 38 which with a known per se device for keeping constant the contact pressure of a resting on a bobbin drive roller cross-wound bobbin, as shown in the DE 100 60 237 A1 is described, is comparable, and how this has a controllable stepper motor 46 and a switched between stepper motor 46 and creel pivot axis 12 reduction gear 50 allows during the winding process a very accurate positioning of the creel 8 and thus a precise adherence between a Fadenchangier device 10 and the Fadenleitkontur 34 and the surface 39 of the cheese 5 set, relatively small distance a.
- creel-positioning device 38 ensures that between the surface 39 of the rotatable cheese 5 and the bobbin tube and the Fadenleitkontur 34 is always a small distance a given and that this distance a is maintained even when the diameter of the cheese 5 becomes ever larger in the course of the coil travel.
- Such an installation position of the Fadenchangier worn 10 ensures that during the entire coil travel of a cheese between the yarn guide 13 and a Fadenleitkontur 34 and the emergence point of the yarn 16 on the surface of the rotating cheese 5 same, advantageous conditions are given.
- the winding device 4 is further provided with a pressure roller 47, which is arranged at a distance from the thread-changing device 10 is and which, as indicated in the present embodiment, with a pressing force K acts on the cheese 5 and is connected for example via a bearing arm and an adjuster 53 to the coil frame 8.
- a pressure roller 47 which is preferably also equipped with a sensor device 48 for detecting the rotational speed of the pressure roller 47 and thus for determining the instantaneous diameter of the cheese 5, however, numerous other types of bearings are possible.
- the pressure roller 47 could, for example, also be arranged in a separate storage device (not shown) and likewise be mounted so that a defined adjustment of the pressing force K is possible at any time during the spool travel of the cross-wound bobbin 5.
- the Figure 3 shows one of each arranged in the field of winding device 4 a job 2, equipped with a finger thread guide 13 Fadenchangier disturbed 10 in detail.
- a Fadenchangier listening 10 associated Fadenleitkontur 34 is fixed, which has a distance a with respect to the surface 39 of a held in the creel 8 and 8 by an integrated drive in the creel drive 8 directly driven cross-wound bobbin.
- the Fadenleitkontur 34 which has a convex Fadenleit Structure 42 in its central region, is stationary between the traversing during the winding process Fingerfadenwishing 13 and the rotating direction R surface 39 of the cheese 5 is arranged.
- the Figure 4 shows a winding device 4, which has a drive means 19 for directly rotating a cheese 5 during the winding process and a Fadenchangier affection 10, the yarn guide 13A is driven by means of a so-called tape drive. That is, an electromotive drive 14 is connected via a pivotally mounted drive lever 54, a finite, flexible drive means 51, for example a spring steel strip connected, which in turn is equipped with a yarn guide 13A and stored in a linear guide 55 that the yarn guide 13A traversed at a small distance a in front of the surface 39 of the cheese 5 can be.
- a finite, flexible drive means 51 for example a spring steel strip connected
- FIG 5 shows a winding device 4, which has a drive means 19 for direct rotation of a cheese 5 and another embodiment of a possible Fadenchangier owned 10.
- the illustrated Fadenchangier listening 10 is equipped with a yarn guide 13 B, which is connected to an endless draw 52 in the embodiment. That is, to, for example, an endless toothed belt 52, which runs over pulleys 56 and a drive roller acted upon by a drive 14 57, a yarn guide 13 B is attached, the yarn guide fork 58 with respect to the surface 39 of the cheese 5 has a distance a.
- Also related to in Figure 5 illustrated embodiment of a Fadenchangier driving 10 is of course the use of a Fadenleitkontur 34 possible. Even in such a case, the thread guide contour 34 must then be positioned between the yarn guide 13B and surface 39 of the cheese 5, at a distance a from the surface 39 of the cheese 5.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Winding Filamentary Materials (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine Spulvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine gemäß dem Oberbegriff des Anspruches 1.The invention relates to a winding device for a workstation of a cross-wound textile machine according to the preamble of claim 1.
Spulvorrichtungen von Textilmaschinen, die zur Herstellung von Kreuzspulen dienen, müssen bekanntlich wenigstens zwei Grundbedingungen erfüllen.
Zum einen müssen solche Spulvorrichtungen eine Einrichtung aufweisen, die es ermöglicht, eine Hülse bzw. eine Kreuzspule in Rotation zu versetzen, das heißt, so zu rotieren, dass ein Faden aufgewickelt werden kann; zum anderen muss eine Einrichtung vorhanden sein, die es erlaubt, den Faden während des Aufwickelns ständig zu traversieren - das bedeutet, den Faden ständig zwischen den Spulenseiten der Auflaufspule zu changieren.Winding machines of textile machines, which serve for the production of cheeses, must be known to fulfill at least two basic conditions.
Firstly, such winding devices must have a device which makes it possible to set a sleeve or a cheese into rotation, that is, to rotate so that a thread can be wound up; on the other hand, there must be a device which allows the thread to be constantly traversed during winding - this means to constantly change the thread between the package sides of the package.
Derartig ausgebildete Spulvorrichtungen sind im Textilmaschinenbau seit langem in verschiedenen Ausführungsformen bekannt und in der Patentliteratur in zahlreichen Schriften relativ ausführlich beschrieben.Such trained winding devices are known in textile machinery for a long time in various embodiments and relatively extensively described in the patent literature in numerous publications.
Im Zusammenhang mit Kreuzspulautomaten sind beispielsweise seit langem Spulvorrichtungen bekannt, bei denen die Hülse oder die Kreuzspule mittels einer sogenannten Nuttrommel reibschlüssig angetrieben wird.
Bei diesen zum Beispiel in der
Nachteilig bei diesen an sich bewährten Spuleinrichtungen ist allerdings, dass mit solchen Spuleinrichtungen ausschließlich Kreuzspulen in der Wickelungsart wilde Wicklung erstellt werden können, da bei diesen Spulvorrichtungen stets ein festes Verhältnis zwischen der Geschwindigkeit der Oberfläche der Kreuzspule und der Geschwindigkeit der Fadenchangiereinrichtung gegeben ist.
Auch relativ große Schleppfehler sind mit solchen Nuttrommeln während des Spulvorganges nicht vermeidbar. Das heißt, bei derartigen Nuttrommeln entstehen während des Spulvorganges, insbesondere im Bereich der Spulenflanken der zu wickelnden Kreuzspule, zwischen den Fadenführungspunkten in der Fadenführungsnut der Nuttrommel und den nacheilenden Auflaufpunkten des Fadens auf die Oberfläche der Kreuzspule stets relativ große Fadenlängen, die so genannten Schleppfehler, die, wenn keine speziellen Maßnahmen ergriffen werden, zu unschönen Materialanhäufungen und einem schlechten Ablaufverhalten der Kreuzspule führen.In connection with automatic spooling machines, for example, winder devices have long been known in which the sleeve or cross-wound bobbin is frictionally driven by means of a so-called slot drum.
For example, in these
A disadvantage of these per se proven winding devices, however, is that with such winding devices exclusively cross-wound coils in the Wickelungsart wild winding can be created because in these winder always a fixed ratio between the speed of the surface of the cheese and the Speed of Fadenchangiereinrichtung is given.
Even relatively large following errors are unavoidable with such grooved drums during the winding process. That is, in such Nuttrommeln arise during the winding process, especially in the region of the coil flanks of the cheese to be wound, between the yarn guide points in the Fadenführungsnut the Nuttrommel and the trailing points of the thread on the surface of the cheese always relatively large thread lengths, the so-called following error, which, if no special measures are taken, lead to unsightly accumulations of material and a poor flow behavior of the cheese.
Zur Erstellung von Kreuzspulen in den Wicklungsarten Präzisionswicklung oder Stufen-Präzisionswicklung sind in der Vergangenheit des Weiteren bereits Spuleinrichtungen entwickelt worden, die eine separat ansteuerbare Antriebseinrichtung für die Rotation der Kreuzspule und eine separat ansteuerbare Antriebseinrichtung für die Fadenchangierung aufweisen. Insbesondere bezüglich der Ausbildung der Fadenführer der Fadenchangiereinrichtungen sind dabei verschiedene Ausführungsformen bekannt und in der Patentliteratur beschrieben.For the preparation of cheeses in the winding types precision winding or stage precision winding winding devices have been further developed in the past, which have a separately controllable drive means for the rotation of the cheese and a separately controllable drive means for the Fadenchangierung. In particular, with regard to the formation of the thread guides of the thread-switching devices, different embodiments are known and described in the patent literature.
In der
Der Fadenführer ist um eine im Wesentlichen senkrecht zur Kreuzspulenachse orientierte Drehachse schwenkbar und wird durch einen elektromechanischen Einzelantrieb beaufschlagt.
Die Rotation der Kreuzspule erfolgt bei dieser bekannten Spulvorrichtung entweder reibschlüssig über eine einzelmotorisch beaufschlagbare Antriebswalze oder über eine nicht näher beschriebene Antriebseinrichtung, bei der ein Einzelantrieb in den Spulenrahmen integriert ist. Das heißt, der Einzelantrieb beaufschlagt einen der Hülsenteller, zwischen denen die Kreuzspule gelagert ist, im Sinne rotieren.In the
The thread guide is pivotable about an axis of rotation oriented substantially perpendicular to the cheese axis and is acted upon by an electromechanical single drive.
The rotation of the cheese is done in this known winding device either by friction via a single motor acted upon drive roller or a drive device not described in detail, in which a single drive is integrated into the creel. That is, the single drive acts on one of the sleeve plates, between which the cross-wound bobbin is mounted, rotate in the sense.
Durch die
Als Fadenchangiereinrichtung ist ein Fadenführer mit Bandantrieb vorgesehen, das heißt, ein changierbarer Fadenführer ist über ein endliches, flexibles Verbindungsmittel an einen elektromotorischen Einzelantrieb angeschlossen. Das endliche, flexible Verbindungsmittel ist dabei so ausgebildet, dass es sowohl Zug- als auch Druckkräfte übertragen kann.As Fadenchangiereinrichtung a yarn guide with tape drive is provided, that is, a changierbarer yarn guide is connected via a finite, flexible connecting means to an electric motor single drive. The finite, flexible connecting means is designed so that it can transmit both tensile and compressive forces.
Des Weiteren sind in der Praxis seit längerem Spulvorrichtungen im Einsatz, bei denen eine in einem Spulenrahmen drehbar gehalterte Kreuzspule durch eine Antriebswalze reibschlüssig antreibbar ist und die Fadenchangierung während des Spulvorganges über einen Fadenführer erfolgt, der an ein Endlosriemchen angeschlossen ist.
Bei diesen beispielsweise in der
For example, in these
Auch Spulvorrichtungen, bei denen die Kreuzspule, wie vorstehend beschrieben, während des Spulprozesses mittels einer Antriebswalze reibschlüssig rotiert und der auflaufende Faden gleichzeitig durch einen separat angetriebenen Fadenführer zwischen den beiden Spulenseiten traversiert wird, weisen allerdings den Nachteil auf, dass bei derartigen Spulvorrichtungen während des Wickelprozesses relativ große Schleppfehler unvermeidbar sind. Das heißt, der durch die Antriebswalze bedingte, relativ große Abstand zwischen dem Fadenführer und dem Auflaufpunkt des Fadens auf die rotierende Oberfläche der Kreuzspule führt dazu, dass während des Spulprozesses der Fadenauflaufpunkt stets deutlich hinter der Position des Fadenführers zurückbleibt.
Diese sich zwischen dem Umlenkpunkt des Fadens am Fadenführer und dem Auflaufpunkt des Fadens auf die rotierende Oberfläche der Kreuzspule ergebende Fadenlänge wird, wie vorstehend bereits erläutert, in Fachkreisen in der Regel als Schleppfehler bezeichnet.
In der Praxis führen solche Schleppfehler, insbesondere wenn sie relativ groß sind, dazu, dass, um eine Kreuzspule mit einer vorgegebenen Spulenbreite herstellen zu können, der Fadenführer zur Kompensation des Schleppfehlers im Bereich der beiden Spulenseiten jeweils über die eigentliche Spulenbreite hinaus verlagert werden muss. Eine solche Vorgehensweise führt allerdings, wie vorstehend bereits im Zusammenhang mit Nuttrommeln angedeutet, dazu, dass es, wenn keine weiteren zusätzlichen Maßnahmen, wie beispielsweise variable Kantenverlegung, getroffen werden, im Bereich der Spulenseiten der Kreuzspule zu Materialansammlungen kommt, was sich sehr nachteilig auf das Ablaufverhalten derartiger Kreuzspulen auswirkt.Also, winding devices in which the cheese, as described above, during the winding process by means of a drive roller rotates and trailing yarn is traversed simultaneously by a separately driven yarn guide between the two coil sides, however, have the disadvantage that in such winding devices during the winding process relatively large following errors are unavoidable. That is, the conditional by the drive roller, relatively large distance between the yarn guide and the casserole point of the thread on the rotating surface of the cheese causes that during the winding process, the yarn feeding point always remains well behind the position of the yarn guide.
This thread length which results between the deflection point of the thread on the thread guide and the point of emergence of the thread on the rotating surface of the cross-wound bobbin is, as already explained above, usually referred to as lag error in professional circles.
In practice, such tracking errors, in particular if they are relatively large, cause that in order to produce a cross-wound bobbin with a predetermined coil width, the yarn guide to compensate for the tracking error in the region of the two coil sides must be moved beyond the actual coil width also. However, such a procedure leads, as already indicated above in connection with grooved drums, to the fact that, if no further additional measures, such as variable edge laying, are taken, accumulations of material occur in the area of the coil sides of the cross-wound bobbin, which is very disadvantageous to the Run-off behavior of such cheeses affects.
Um das Auftreten solcher großer, nachteiliger Schleppfehler zu vermeiden, ist deshalb bereits vorgeschlagen worden, auf den Einsatz von Antriebswalzen, die die Kreuzspule reibschlüssig antreiben und aufgrund ihres verhältnismäßig großen Durchmessers zu einem großen Abstand zwischen der Fadenchangiereinrichtung und dem Fadenauflaufpunkt führen, zu verzichten und die Kreuzspule statt dessen direkt anzutreiben.To avoid the occurrence of such large, adverse tracking error, it has therefore been proposed to dispense with the use of drive rollers which drive the cheese frictionally and lead due to their relatively large diameter to a large distance between the Fadenchangiereinrichtung and the thread emergence point, and the Instead, drive the cheese directly.
Solche Spulvorrichtungen, bei denen die Kreuzspule direkt angetrieben wird, das heißt, bei denen einer der beiden an den Spulenrahmenarmen des Spulenrahmens drehbar gelagerten Hülsenaufnahmeteller direkt mit einem drehzahlregelbaren Antrieb verbunden ist, sind beispielsweise in der
Bei diesen bekannten Spulvorrichtungen liegt die Kreuzspule während des Spulvorganges jeweils auf einer relativ leichten und bezüglich ihres Durchmessers verhältnismäßig kleinen Stütz- und Klemmwalze auf, die während des Spulprozesses von der Kreuzspule über Reibschluss mitgenommen wird.
Mit solchen Einrichtungen gelingt es zwar, die während des Spulprozesses auftretenden Schleppfehler etwas zu verkleinern; eine entscheidende Verbesserung des anstehenden Problems ist mit diesen bekannten Einrichtungen allerdings nicht möglich. Nachteilig bei diesen bekannten Spulvorrichtungen ist außerdem, dass die Stütz- und Klemmwalze, wenn die Kreuzspule, zum Beispiel im Falle eines Fadenbruches oder eines kontrollierten Fadenschnittes von der Stütz- und Klemmwalze abgehoben und in den Stillstand gebremst wird, eine gewisse Zeit unkontrolliert nachläuft.
Dieses unkontrollierte Nachlaufen der Stütz- und Klemmwalze birgt stets die Gefahr in sich, dass der Unterfaden von der Stütz- und Klemmwalze erfasst wird und sich dann ein störender Fadenwickel bildet.In these known winding devices, the cross-wound bobbin during the winding process in each case on a relatively light and with respect to their diameter relatively small support and pinch roller, which is taken during the winding process of the cheese over frictional engagement.
With such devices, although it succeeds to reduce the tracking error occurring during the winding process something; However, a decisive improvement of the pending problem is not possible with these known devices. A disadvantage of these known winding devices is also that the support and pinch roller, when the cross-wound bobbin, for example, lifted in the event of a yarn break or a controlled thread cut from the support and pinch roller and braked to a stop, runs unchecked for a certain time.
This uncontrolled overrun of the support and pinch roller always carries the risk that the lower thread is caught by the support and pinch roller and then forms a disturbing filament winding.
Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, die bekannten Spulvorrichtungen so zu verbessern, dass während des Spulprozesses auf relativ einfache Weise eine deutliche Verminderung der Größe des auftretenden Schleppfehlers erzielbar ist.Based on the aforementioned prior art, the present invention seeks to improve the known winding devices so that during the winding process in a relatively simple manner, a significant reduction in the size of the drag error occurring can be achieved.
Diese Aufgabe wird erfindungsgemäß durch eine Spulvorrichtung gelöst, wie sie im Anspruch 1 beschrieben ist.This object is achieved by a winding device, as described in claim 1.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
Bei der erfindungsgemäßen Spulvorrichtung ist die Spulenhülse einer Kreuzspule zwischen den Spulenaufnahmetellern eines Spulenrahmens fixiert, wobei einer der Spulenaufnahmeteller durch eine zum Beispiel in den Spulenrahmen integrierte Antriebseinrichtung beaufschlagbar ist. Der Spulenrahmen ist außerdem mit einer definiert ansteuerbaren, einzelmotorisch beaufschlagbaren Spulenrahmen-Positioniereinrichtung ausgestattet.
Diese Spulenrahmen-Positioniereinrichtung sorgt dafür, dass die im Spulenrahmen gehalterte Kreuzspule während des Spulprozesses in einer Schwebestellung beabstandet zur Fadenchangiereinrichtung positioniert ist. Das heißt, die Spulenrahmen-Positionier-einrichtung gewährleistet während der gesamten Spulenreise der Kreuzspule einen konstanten Abstand a zwischen der Fadenchangiereinrichtung und der Oberfläche der Kreuzspule, was insbesondere den Vorteil hat, dass auf den bislang notwendigen Einsatz einer Stützwalze oder dgl. vollständig verzichtet werden kann.
Das bedeutet, der aufgrund des Einsatzes der erfindungsgemäßen Spulenrahmen-Positioniereinrichtung mögliche Verzicht auf eine Stützwalze oder dgl. erlaubt es, die Fadenchangiereinrichtung deutlich näher an der Oberfläche der Kreuzspule zu positionieren, was dazu führt, dass erfindungsgemäß ausgebildete Spulvorrichtungen mit deutlich minimierten Schleppfehlern arbeiten.
Mit den erfindungsgemäßen Spulvorrichtungen können folglich auf relativ einfache und kostengünstige Weise qualitativ hochwertige Kreuzspulen hergestellt werden.In the case of the winding device according to the invention, the bobbin tube of a cross-wound bobbin is fixed between the bobbin receiving plates of a creel, wherein one of the bobbin receiving plates can be acted upon by a drive device integrated into the creel, for example. The creel is also equipped with a defined controllable, subject to single motor coil frame positioning.
This bobbin frame positioning device ensures that the cross-wound bobbin held in the bobbin frame is positioned at a distance apart from the thread baffle device during the bobbin winding process. That is, the bobbin frame positioning means ensures throughout the bobbin travel of the cheese a constant distance a between the Fadenchangiereinrichtung and the surface of the cheese, which in particular has the advantage that can be completely dispensed with the hitherto necessary use of a support roller or the like ,
This means that the possible absence of a back-up roller or the like on account of the use of the inventive creel-positioning device makes it possible to position the thread-changing device significantly closer to the surface of the cheese, which leads to winding devices which work according to the invention with significantly minimized following errors.
With the winding devices according to the invention, therefore, high-quality cheeses can be produced in a relatively simple and cost-effective manner.
Gemäß Anspruch 2 ist in vorteilhafter Ausführungsform des Weiteren vorgesehen, dass zwischen dem changierbaren Fadenführer und der Oberfläche der rotierbaren Kreuzspule eine Fadenleitkontur angeordnet ist, deren lichter Abstand zur Kreuzspule dem Abstand a entspricht.
Der Abstand a muss einerseits groß genug sein, um den Kontakt der bewegten Spulenoberfläche zur Leitkontur zu vermeiden, andererseits aus den zuvor genannten Gründen so klein sein, so dass er in Abhängigkeit von den Spulparametern vorteilhaft zwischen 0,5 und 3 mm liegen sollte.According to
The distance a on the one hand must be large enough to avoid contact of the moving coil surface to the guide contour, on the other hand be so small for the reasons mentioned above, so it should advantageously be between 0.5 and 3 mm depending on the Spulparametern.
Durch eine solche Fadenleitkontur, die wie im Anspruch 3 beschrieben, vorzugsweise am Gehäuse der Fadenchangiereinrichtung befestigt ist und eine konvexe Fadenleitfläche aufweist, kann während des Fadenchangierens eine relativ gute Gleichmäßigkeit der Fadenlaufgeschwindigkeit beim Aufwickeln des Fadens auf die Kreuzspule erreicht werden. Das heißt, durch die konvexe Fadenleitfläche der Fadenleitkontur können Schwankungen der Fadenlaufgeschwindigkeit, wie sie bei der Traversierung eines auf eine Kreuzspule auflaufenden Fadens auftreten, wenigstens teilweise ausgeglichen und dadurch das Auftreten von Fadenspannungsspitzen während des Spulvorganges weitestgehend vermieden werden.By such Fadenleitkontur, which is preferably as described in
Um einen ordnungsgemäßen Betrieb der erfindungsgemäßen Spulvorrichtung zu gewährleisten, ist allerdings der Einsatz einer entsprechenden Fadenleitkontur nicht zwingend erforderlich. Grundsätzlich ist, bei entsprechender Modifizierung des Fadenführers, ein Betrieb der erfindungsgemäßen Spulvorrichtung.auch ohne eine solche Fadenleitkontur möglich.In order to ensure proper operation of the winding device according to the invention, however, the use of a corresponding Fadenleitkontur is not mandatory. Basically, with a corresponding modification of the yarn guide, an operation of the winding device according to the invention.Also possible without such Fadenleitkontur.
Wie im Anspruch 4 beschrieben, ist die Fadenchangiereinrichtung in vorteilhafter Aus-führungsform so angeordnet, dass zu Beginn der Spulenreise einer Kreuzspule, in Seitenansicht der Spulvorrichtung betrachtet, zwischen der Ebene des changierbaren Fadenführers und den Ebenen der Spulenrahmenarme ein Winkel gegeben ist, dessen Wert zwischen + 10° und - 10° liegt.
Praktische Versuche haben dabei ergeben, dass eine besonders vorteilhafte Ausführungsform dann gegeben ist, wenn, wie im Anspruch 5 dargelegt, die Fadenchangiereinrichtung so angeordnet ist, dass zu Beginn der Spulenreise einer Kreuzspule die Ebene des changierbaren Fadenführers zu den Ebenen der Spulenrahmenarme parallel verläuft.As described in
Practical experiments have shown that a particularly advantageous embodiment is given when, as set forth in
Eine solche Einbaulage der Fadenchangiereinrichtung stellt sicher, dass während der gesamten Spulenreise einer Kreuzspule zwischen dem Fadenführer und dem Auflaufpunkt des Fadens auf die Oberfläche der rotierenden Kreuzspule gleiche, vorteilhafte Bedingungen gegeben sind.Such an installation position of the Fadenchangiereinrichtung ensures that during the entire coil travel of a cheese between the yarn guide and the casserole point of the thread on the surface of the rotating cheese same, advantageous conditions are given.
Gemäß Anspruch 6 ist außerdem vorgesehen, dass die Spulenrahmen-Positioniereinrichtung über ein in das Arbeitsstellengehäuse einer Arbeitsstelle integriertes, durch einen ansteuerbaren Schrittmotor beaufschlagbares Untersetzungsgetriebe verfügt. Ein solches durch einen Schrittmotor beaufschlagbares Untersetzungsgetriebe ist im Zusammenhang mit Spulvorrichtungen, bei denen der Auflagedruck einer in einem Spulenrahmen gehalterten, auf einer Spulenantriebswalze aufliegenden Kreuzspule konstant gehalten werden soll, in vergleichbarer Ausführungsform grundsätzlich bekannt und beispielsweise in der
Bei der erfindungsgemäßen Spulenrahmen-Positioniereinrichtung wurde das Untersetzungsgetriebe gegenüber der bekannten Einrichtung allerdings etwas modifiziert, das heißt, es wurde beispielsweise auf den Einsatz von Federelementen als Drehmomentgeber verzichtet und stattdessen das Untersetzungsgetriebe direkt auf die Schwenkachse des Spulenrahmens geschaltet.
Eine solchermaßen ausgebildete Spulenrahmen-Positioniereinrichtung ermöglicht während des Spulprozesses auf einfache Weise ein sehr exaktes Positionieren des Spulenrahmens und damit während des gesamten Spulvorganges ein genaues Einhalten eines zwischen dem Fadenführer der Fadenchangiereinrichtung und der Oberfläche der Kreuzspule gewünschten, relativ kleinen Abstandes.According to
In the bobbin frame positioning device according to the invention, however, the reduction gear has been slightly modified compared to the known device, that is, for example, was dispensed with the use of spring elements as a torque sensor and instead switched the reduction gear directly to the pivot axis of the coil frame.
Such a trained creel positioning allows during the winding process in a simple manner a very accurate positioning of the creel and thus during the entire winding process a precise compliance with a desired between the yarn guide the Fadenchangiereinrichtung and the surface of the cheese, relatively small distance.
In den Ansprüchen 7 - 9 sind weitere vorteilhafte Ausführungsformen der erfindungsgemäßen Spulvorrichtung beschrieben.In claims 7-9 further advantageous embodiments of the winding device according to the invention are described.
Im Bereich der Spulvorrichtung ist, beabstandet zur Fadenchangiereinrichtung, beispielsweise eine Druckrolle installiert, die so angeordnet ist, dass die schwebende Kreuzspule während der Spulenreise mit einer vorgebbaren Andruckkraft beaufschlagt werden kann (Anspr.7).
Bezüglich der Lagerung einer solchen Druckrolle sind dabei sehr verschiedene Ausführungsformen möglich.In the area of the winding device, spaced apart from the thread-changing device, for example, a pressure roller is installed, which is arranged so that the floating cross-wound bobbin can be subjected to a predeterminable pressing force during the bobbin travel (claims 7).
With regard to the storage of such a pressure roller very different embodiments are possible.
Die Druckrolle kann beispielsweise über einen Lagerarm so an eine am Spulenrahmen angeordnete Einstelleinrichtung angeschlossen sein, dass bei Bedarf über diese Einstelleinrichtung eine optimale Einstellung der Andruckkraft der Druckrolle möglich ist. Mittels einer solchen Einstelleinrichtung kann dann die Andruckkraft dieser Druckrolle auch während der Spulenreise der Kreuzspule, zum Beispiel abhängig vom jeweils vorliegenden Spulendurchmesser, eingestellt und auf diese Weise während des Spulvorganges die Dichte der Kreuzspule positiv beeinflusst werden.The pressure roller may for example be connected via a bearing arm to an adjusting device arranged on the creel that, if necessary, an optimal adjustment of the pressing force of the pressure roller is possible via this adjusting device. By means of such an adjustment can then the pressing force of this pressure roller during the spool travel of the cheese, for example, depending on the particular coil diameter, set and thus positively influenced during the winding process, the density of the cheese.
Die Druckrolle ist vorzugsweise auf der der Fadenchangiereinrichtung gegenüberliegenden Seite der Kreuzspule angeordnet (Anspr.8).
Durch eine solche Anordnung kann nicht nur relativ problemlos verhindert werden, dass es im Bereich der Fadenchangiereinrichtung zu Behinderungen kommt, sondern eine solche Anordnung bietet auch ausreichend Raum für eine (nicht näher dargestellte) separate Druckrollen-Anlage- bzw. -beaufschlagungseinrichtung.
Über eine solche Druckrollen-Anlage- bzw. -beaufschlagungseinrichtung, die beispielsweise eine Druckrollenlagerung aufweisen kann, die mit Druckfedern oder dgl. ausgestattet ist, deren Federkraft einstellbar ist, kann zum Beispiel die Kraft, mit der die Druckrolle während des Spulprozesses auf die Kreuzspule einwirkt, relativ genau eingestellt werden.The pressure roller is preferably arranged on the side opposite the Fadenchangiereinrichtung the cross-wound bobbin (Anspr.8).
Such an arrangement not only makes it relatively easy to prevent obstructions in the area of the thread-changing device, but such an arrangement also offers sufficient space for a separate pressure-roll-applying or -beaufschlagungseinrichtung (not shown).
By way of example, such a pressure roll applying or -beaufschlagungseinrichtung, which may have a pressure roller bearing, which is equipped with compression springs or the like., The spring force is adjustable, for example, the force with which the pressure roller acts on the cheese during the winding process , be set relatively accurately.
Die Druckrolle kann außerdem zur Ermittlung der Rotationsgeschwindigkeit der Druckrolle eine Sensoreinrichtung aufweisen (Anspr.9).
Mittels des bekannten Durchmessers der Druckrolle sowie der ermittelten Rotationsgeschwindigkeit der Druckrolle, die reibschlüssig an der Oberfläche der Kreuzspule anliegt, können dann, vorzugsweise mittels eines Arbeitsstellenrechners, problemlos der aktuelle Kreuzspulendurchmesser ermittelt und entsprechend die Spulenrahmen-Positioniereinrichtung angesteuert werden.The pressure roller may also have a sensor device for determining the rotational speed of the pressure roller (Anspr.9).
By means of the known diameter of the pressure roller and the determined rotational speed of the pressure roller, which rests frictionally on the surface of the cheese can then, preferably by means of a workstation computer, easily determined the current cheese diameter and accordingly the creel-positioning device can be controlled.
Wie in den Ansprüchen 10 - 12 beschrieben, kann die Fadenchangiereinrichtung, die während des Spulprozesses den auflaufenden Faden zwischen den Spulenseiten der Kreuzspule traversiert, verschiedene Ausführungsformen aufweisen.As described in claims 10-12, the thread-traversing device, which traverses the incoming thread between the coil sides of the cross-wound bobbin during the winding process, can have different embodiments.
Gemäß Anspruch 10, ist in vorteilhafter Ausführungsform vorgesehen, dass die Fadenchangiereinrichtung beispielsweise mit einem Fingerfadenführer ausgestattet ist.
Mit solchen in der Textilindustrie an sich bekannten und bewährten Fingerfadenführern lassen sich nicht nur relativ hohe Changiergeschwindigkeiten realisieren, sondern solche Fingerfadenführer sind im Zusammenhang mit Spulvorrichtungen auch sehr flexibel einsetzbar. Das heißt, mit solchen Fingerfadenführern lassen sich beispielsweise problemlos Kreuzspulen unterschiedlicher Breite und/oder mit unterschiedlichen Formen, zum Beispiel gerade, konische oder bikonische Kreuzspulen herstellen.According to
With such in the textile industry known and proven Fingerfadenführern not only relatively high traversing speeds can be realized, but such Fingerfadenführer are also very flexible in connection with winding devices. That is, with such a finger thread guides can be produced, for example, cross reels of different widths and / or with different shapes, for example, straight, conical or biconical cheeses.
Alternative Ausführungsformen für den Fadenführer einer Fadenchangiereinrichtung sind die in den Ansprüchen 11 und 12 beschriebenen Ausführungsformen.Alternative embodiments of the thread guide of a thread-switching device are the embodiments described in
Gemäß Anspruch 11 weist die Fadenchangiereinrichtung einen reversibel antreibbaren Fadenführer auf, der an ein endliches, flexibles Verbindungsmittel angeschlossen ist, das sowohl Zug- als auch Druckkräfte übertragen kann. Das heißt, an einem endlichen, flexiblen Verbindungsmittel, beispielsweise einem Federstahlband, das durch einen reversiblen elektromotorischen Antrieb beaufschlagbar und im Changierbereich linear geführt ist, ist ein Fadenführer befestigt, der während des Spulprozesses einen Abstand a zur Oberfläche einer rotierenden Kreuzspule aufweist.According to
Bei der Ausführungsform gemäß Anspruch 12 weist die Fadenchangiereinrichtung einen Fadenführer auf, der, wie an sich seit langem bekannt, an ein Endlosriemchen angeschlossen ist, das seinerseits mit einem reversiblen elektromotorischen Antrieb in Verbindung steht. Auch der Fadenführer gemäß Anspruch 12 weist während des Spulprozesses einen Abstand a zur Oberfläche einer rotierenden Kreuzspule auf.In the embodiment according to
Wie im Zusammenhang mit Fingerfadenführern (Anspr.10) bereits beschrieben, lassen sich auch mit Fadenführern, wie sie in den Ansprüchen 11 und 12 beschrieben sind, relativ problemlos Kreuzspulen unterschiedlicher Breite und/oder mit unterschiedlichen Formen Kreuzspulen herstellen.As already described in connection with finger thread guides (Anspr.10), can be produced with thread guides as described in
Weitere Einzelheiten der Erfindung sind nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert.Further details of the invention are explained in more detail with reference to an embodiment shown in the drawings.
Es zeigt:
- Fig. 1
- eine Seitenansicht einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine mit einer erfindungsgemäßen Spulvorrichtung,
- Fig. 2
- die erfindungsgemäße Spulvorrichtung in einem größeren Maßstab,
- Fig. 3
- Details zu einer ersten Ausführungsform einer Fadenchangiereinrichtung einer erfindungsgemäßen Spulvorrichtung,
- Fig. 4
- schematisch eine weitere Ausführungsform der Fadenchangiereinrichtung einer erfindungsgemäßen Spulvorrichtung,
- Fig. 5
- schematisch eine dritte Ausführungsform einer Fadenchangiereinrichtung einer erfindungsgemäßen Spulvorrichtung.
- Fig. 1
- a side view of a job of a cheese-producing textile machine with a winding device according to the invention,
- Fig. 2
- the winding device according to the invention on a larger scale,
- Fig. 3
- Details of a first embodiment of a thread traversing device of a winding device according to the invention,
- Fig. 4
- 1 schematically another embodiment of the thread-changing device of a winding device according to the invention,
- Fig. 5
- schematically a third embodiment of a Fadenchangiereinrichtung a winding device according to the invention.
In
Solche Kreuzspulautomaten 1 weisen, wie bekannt, zwischen ihren (nicht dargestellten) Endgestellen jeweils eine Vielzahl baugleicher Arbeitsstellen 2 auf.
Auf diesen Arbeitsstellen 2, die oft auch als Spulstellen bezeichnet werden, werden, wie ebenfalls bekannt und daher nicht näher erläutert, die vorzugsweise auf einer Ringspinnmaschine produzierten Spinnkopse 3 zu großvolumigen Kreuzspulen 5 umgespult, die nach ihrer Fertigstellung mittels eines (nicht dargestellten) Serviceaggregates, beispielsweise eines Kreuzspulenwechslers, auf eine maschinenlange Kreuzspulentransporteinrichtung 7 übergeben und zu einer maschinenendseitig angeordneten Spulenverladestation oder dergleichen transportiert werden.In
Such cross-winding machines 1 have, as is known, between their (not shown) Endgestellen each have a variety of
On these
Solche Kreuzspulautomaten 1 weisen außerdem oft eine Logistikeinrichtung in Form eines Spulen- und Hülsentransportsystems 6 auf, in dem, in der Regel auf Transporttellern 11, die Spinnkopse 3 beziehungsweise die abgespulten Leerhülsen umlaufen. Von einem solchen Spulen- und Hülsentransportsystem 6 sind in
Die einzelnen Arbeitsstellen 2 verfügen des Weiteren, wie bekannt und daher nur angedeutet, jeweils über verschiedene Einrichtungen, die einen ordnungsgemäßen Betrieb derartiger Arbeitsstellen 2 ermöglichen.
Diese Einrichtungen sind beispielsweise ein Unterfadensensor 40, der über eine Signalleitung 41 an einen Arbeitsstellenrechner 28 angeschlossen ist, ein Fadenreiniger 22, der über eine Steuerleitung 29 mit dem Arbeitsstellenrechner 28 in Verbindung steht, eine im Bereich eines Fadenreinigers 22 angeordnete Fadenschneideinrichtung 23, die vom Arbeitsstellenrechner 28 über eine Leitung 30 ansteuerbar ist, ein Fadenzugkraftsensor 20, der über eine Signalleitung 21 mit dem Arbeitsstellenrechner 28 verbunden ist sowie und eine Paraffiniereinrichtung 33.
Der Arbeitsstellenrechner 28 ist seinerseits, wie in
Jede der Arbeitsstellen 2 weist außerdem, wie üblich, eine Saugdüse 35, ein sogenanntes Greiferrohr 37 sowie eine pneumatische Fadenspleißeinrichtung 36 auf.Such spooling machines 1 also often have a logistics device in the form of a bobbin and
The
These devices are, for example, a
The
Each of the
Des Weiteren verfügen derartige Arbeitsstellen 2 jeweils über eine insgesamt mit der Bezugszahl 4 gekennzeichnete Spulvorrichtung, die unter anderem einen um eine Schwenkachse 12 beweglich gelagerten Spulenrahmen 8 aufweist.
Im Spulenrahmen 8 ist zwischen den Spulenrahmenarmen 9 bzw. den Hülsenaufnahmetellern 15 eine Spulenhülse einer Kreuzspule 5 gehaltert. Außerdem ist, wie in den
Die Traversierung des während des Spulprozesses auf die Kreuzspule 5 auflaufenden Fadens 16 erfolgt mittels einer Fadenchangiereinrichtung 10.Furthermore,
In the
The traversing of the
Eine solche nachfolgend anhand der
Die Fadenchangiereinrichtung 10 kann beispielsweise, wie in den
Der elektromotorische Antrieb 14 ist dabei über eine Steuerleitung 18 mit dem Arbeitsstellenrechner 28 verbunden.
Vorzugsweise gleitet der Faden 16 während seiner Traversierung durch die Fadenchangiereinrichtung 10 außerdem über eine Fadenleitkontur 34. Das heißt, der Faden 16 läuft, bevor er die Oberfläche 39 der Kreuzspule 5 berührt, über eine Fadenleitkontur 34, die in Fadenlaufrichtung F dicht hinter dem Fingerfadenführer 13 der Fadenchangiereinrichtung 10 angeordnet ist und deren Mittelbereich eine konvexe Fadenleitfläche 42 aufweist.The
The
Preferably, the
Die Spulvorrichtung 4 ist des Weiteren mit einer so genannten Spulenrahmen-Positioniereinrichtung 38 ausgestattet, die dafür sorgt, dass zwischen der Oberfläche 39 der rotierbaren Kreuzspule 5 bzw. deren Spulenhülse und vorzugsweise einer Fadenleitkontur 34 stets ein konstanter, kleiner Abstand a von 0,5 bis 3mm gegeben ist und dass dieser Abstand a auch erhalten bleibt, wenn der Durchmesser der Kreuzspule 5 im Laufe der Spulenreise größer wird.The winding
Die
Wie ersichtlich, gleitet ein von einem Spinnkops 3 abgezogener Faden 16, bevor er auf eine in einem Spulenrahmen 8 gehalterte und durch einen Spulenrahmenantrieb 19 direkt angetriebene Kreuzspule 5 aufgewickelt wird, über eine im Abstand a zur Oberfläche 39 der Kreuzspule 5 angeordnete Fadenleitkontur 34. Der Faden 16 wird dabei außerdem durch den Fingerfadenführer 13 einer Fadenchangiereinrichtung 10 zwischen den Spulenseiten der Kreuzspule 5 traversiert.The
As can be seen, slides a deducted from a spinning
Wie vorstehend bereits erwähnt, ist der Spulenrahmen 8 außerdem mit einer Spulenrahmen-Positioniereinrichtung 38 ausgestattet.
Diese Spulenrahmen-Positioniereinrichtung 38, die mit einer an sich bekannten Einrichtung zum Konstanthalten des Auflagedruckes einer auf einer Spulenantriebswalze aufliegenden Kreuzspule, wie sie in der
Das bedeutet, die Spulenrahmen-Positioniereinrichtung 38 sorgt dafür, dass zwischen der Oberfläche 39 der rotierbaren Kreuzspule 5 bzw. deren Spulenhülse und der Fadenleitkontur 34 stets ein kleiner Abstand a gegeben ist und dass dieser Abstand a auch erhalten bleibt, wenn der Durchmesser der Kreuzspule 5 im Laufe der Spulenreise ständig größer wird.As already mentioned above, the
This creel-positioning
This means that the creel-positioning
Zu Beginn der Spulenreise einer Kreuzspule 5 ist zwischen der Ebene 43 des changierbaren Fadenführers und der Ebene 44 der Spulenrahmenarme 9 ein Winkel α gegeben ist, dessen Wert zwischen + 10° und - 10° liegt.
Praktische Versuche haben dabei ergeben, dass eine besonders vorteilhafte Ausführungsform dann gegeben ist, wenn die Fadenchangiereinrichtung 10 so angeordnet ist, dass zu Beginn der Spulenreise einer Kreuzspule 5 die Ebene 43 des changierbaren Fadenführers zu der Ebene 44 der Spulenrahmenarme 9 parallel verläuft. Dies entspricht der
Eine solche Einbaulage der Fadenchangiereinrichtung 10 stellt sicher, dass während der gesamten Spulenreise einer Kreuzspule zwischen dem Fadenführer 13 respektive einer Fadenleitkontur 34 und dem Auflaufpunkt des Fadens 16 auf die Oberfläche der rotierenden Kreuzspule 5 gleiche, vorteilhafte Bedingungen gegeben sind.At the beginning of the coil travel of a
Practical experiments have shown that a particularly advantageous embodiment is given when the
Such an installation position of the
Wie aus
Bezüglich der Lagerung der Druckrolle 47, die vorzugsweise außerdem mit einer Sensoreinrichtung 48 zum Erfassen der Rotationsgeschwindigkeit der Druckrolle 47 und damit zum Ermitteln des augenblicklichen Durchmessers der Kreuzspule 5 ausgestattet ist, sind allerdings zahlreiche weitere Lagerarten möglich.How out
With respect to the storage of the
Die Druckrolle 47 könnte beispielsweise auch in einer (nicht dargestellten) separaten Lagereinrichtung angeordnet und dabei ebenfalls so gelagert sein, dass während der Spulenreise der Kreuzspule 5 jederzeit eine definierte Einstellung der Andruckkraft K möglich ist.The
Die
Wie ersichtlich, ist am Gehäuse 49 des Fingerfadenführerantriebs 14 eine der Fadenchangiereinrichtung 10 zugehörige Fadenleitkontur 34 befestigt, die bezüglich der Oberfläche 39 einer im Spulenrahmen 8 gehalterten und durch einen in den Spulenrahmen 8 integrierten Antrieb 19 direkt angetriebenen Kreuzspule 5 einen Abstand a aufweist. Die Fadenleitkontur 34, die in ihrem Mittelbereich eine konvexe Fadenleitfläche 42 aufweist, ist dabei stationär zwischen dem während des Spulprozesses traversierenden Fingerfadenführer 13 und der in Richtung R rotierenden Oberfläche 39 der Kreuzspule 5 angeordnet.The
As can be seen, on the
Die
In
In
In
Auch im Zusammenhang mit der in
Also related to in
Claims (12)
dadurch gekennzeichnet,
dass die Spulvorrichtung (4) eine definiert ansteuerbare, einzelmotorisch beaufschlagte Spulenrahmen-Positioniereinrichtung (38) aufweist, die eine im Spulenrahmen (8) gehalterte Kreuzspule (5), beabstandet zu der Fadenchangiereinrichtung (10), in einer Schwebestellung hält, so dass während der Spulenreise der Kreuzspule (5) ein vorgebbarer Abstand a zwischen der Oberfläche (39) der Kreuzspule (5) und der Fadenchangiereinrichtung (10) konstant gehalten wird.Spooling device (4) for a work station (2) of a textile machine producing cross-wound bobbins with a creel (8) for holding a sleeve of a cross-wound bobbin (5) between sleeve receiving plates (15), a speed-adjustable drive device (19) integrated in the creel, which is connected to a the sleeve receiving plate is connected and a separate drive (14) having Fadenchangiereinrichtung (10),
characterized,
in that the winding device (4) has a defined controllable, individual motor driven coil frame positioning device (38) which holds in the coil frame (8) mounted cheese (5) spaced from the Fadenchangiereinrichtung (10), in a floating position, so that during the Spool travel of the cross-wound bobbin (5) a predetermined distance a between the surface (39) of the cheese (5) and the Fadenchangiereinrichtung (10) is kept constant.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012023975.0A DE102012023975B4 (en) | 2012-12-07 | 2012-12-07 | Winding device for a workstation of a textile machine producing cross-wound bobbins |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2740699A2 true EP2740699A2 (en) | 2014-06-11 |
EP2740699A3 EP2740699A3 (en) | 2015-01-21 |
EP2740699B1 EP2740699B1 (en) | 2016-07-06 |
Family
ID=49666916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13005378.8A Active EP2740699B1 (en) | 2012-12-07 | 2013-11-15 | Spooling device for a workstation of a textile machine for creating cross-wound spools |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2740699B1 (en) |
JP (1) | JP6296773B2 (en) |
CN (1) | CN103863890B (en) |
DE (1) | DE102012023975B4 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2810907A1 (en) * | 2013-06-08 | 2014-12-10 | Saurer Germany GmbH & Co. KG | Method for adjusting a rotation angle position of a winding frame that can hold a pivoting winding, coil-producing textile machine with multiple coil positions and use of a stepper motor for driving a winding frame |
CH717739A1 (en) * | 2020-08-13 | 2022-02-15 | Ssm Schaerer Schweiter Mettler Ag | spooling device. |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6348055B2 (en) * | 2014-12-04 | 2018-06-27 | Tmtマシナリー株式会社 | Yarn winding device |
DE102017211467B3 (en) * | 2017-07-05 | 2018-07-12 | SSM Schärer Schweiter Mettler AG | Winding device with support roller and contact pressure control device and thread processing machine |
CN107673128A (en) * | 2017-09-25 | 2018-02-09 | 广州丰泰美华电缆有限公司 | A kind of uniformly clot equipment |
CN109607312B (en) * | 2018-12-26 | 2021-03-02 | 王合山 | Speed governing weaving line kinking device |
DE102019128612A1 (en) * | 2019-10-23 | 2021-04-29 | Saurer Spinning Solutions Gmbh & Co. Kg | Textile machine |
CN112831877A (en) * | 2020-12-31 | 2021-05-25 | 肇庆市高要区长河毛纺有限公司 | Spinning device for producing acrylic yarn |
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2012
- 2012-12-07 DE DE102012023975.0A patent/DE102012023975B4/en active Active
-
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- 2013-11-15 EP EP13005378.8A patent/EP2740699B1/en active Active
- 2013-12-06 CN CN201310756229.3A patent/CN103863890B/en active Active
- 2013-12-09 JP JP2013253913A patent/JP6296773B2/en not_active Expired - Fee Related
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EP0453622B1 (en) | 1990-04-23 | 1995-02-15 | Ssm Schärer Schweiter Mettler Ag | Method and apparatus for winding yarn on a bobbin |
DE4310905A1 (en) | 1993-04-02 | 1994-10-06 | Schlafhorst & Co W | Method and apparatus for laying a thread on a cross-wound bobbin |
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EP2810907A1 (en) * | 2013-06-08 | 2014-12-10 | Saurer Germany GmbH & Co. KG | Method for adjusting a rotation angle position of a winding frame that can hold a pivoting winding, coil-producing textile machine with multiple coil positions and use of a stepper motor for driving a winding frame |
CH717739A1 (en) * | 2020-08-13 | 2022-02-15 | Ssm Schaerer Schweiter Mettler Ag | spooling device. |
Also Published As
Publication number | Publication date |
---|---|
EP2740699A3 (en) | 2015-01-21 |
DE102012023975A1 (en) | 2014-06-12 |
EP2740699B1 (en) | 2016-07-06 |
DE102012023975B4 (en) | 2024-02-15 |
CN103863890A (en) | 2014-06-18 |
JP2014114166A (en) | 2014-06-26 |
CN103863890B (en) | 2017-09-05 |
JP6296773B2 (en) | 2018-03-20 |
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