EP3526148B1 - Take-up winding device - Google Patents
Take-up winding device Download PDFInfo
- Publication number
- EP3526148B1 EP3526148B1 EP17781491.0A EP17781491A EP3526148B1 EP 3526148 B1 EP3526148 B1 EP 3526148B1 EP 17781491 A EP17781491 A EP 17781491A EP 3526148 B1 EP3526148 B1 EP 3526148B1
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- European Patent Office
- Prior art keywords
- clamping
- winding
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- installation
- clamping block
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- 238000004804 winding Methods 0.000 title claims description 106
- 239000000835 fiber Substances 0.000 claims description 52
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 11
- 238000010276 construction Methods 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 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
- B65H65/00—Securing material to cores or formers
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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
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/71—Arrangements for severing filamentary materials
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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
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
- B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
- B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- Winding device for continuously winding up a multifilament fiber strand according to the preamble of claim 1.
- a winder of the generic type for continuously winding a multifilament fiber strand is known from the DE 102 35 209 A1 known.
- each of the winding spindles has a clamping device at a freely projecting front end, by means of which the thread is fixed after being caught.
- the clamping device has a clamping gap in order to fix the thread.
- the clamping device is assigned a catch bushing which has a catch slot that interacts with the clamping gap.
- a thread guided at the front end of the winding spindle can be caught through the catching slot and transferred into the clamping gap.
- the thread is torn by building up further tensile stresses.
- WO 2009/024999 A1 is a winding device for the continuous winding of a multifilament fiber strand with two drivable winding spindles and with a rotatably mounted winding turret for holding the cantilevered winding spindles, whereby the winding spindles can be guided through the winding turret alternately in an operating area for winding a bobbin and a changing area for removing the bobbin and where each of the winding spindles has a clamping device at its protruding end for catching the fiber strand, the clamping device having a clamping block firmly connected to the winding spindle and a movable clamping plate which are elastically clamped together to form a circumferential clamping slot, known.
- Another aim of the invention is to provide a winder of the generic type for the continuous winding of a multifilament fiber strand, in which a thread transfer between two winding spindles is possible with a relatively simple thread guide.
- the clamping device has a clamping block firmly connected to the winding spindle and a movable clamping plate which are elastically clamped together to form a circumferential clamping slot.
- the invention has the particular advantage that the incoming fiber strand can dip directly into the circumferential clamping slot. Catching with a catch notch is not required. Due to the surrounding clamping slot on the circumference of the winding spindle, the running thread can be inserted directly into the clamping slot and grasped there. Secure fixation is possible regardless of the titer of the fiber strand. For this purpose, the clamping plate is elastically clamped to the clamping block.
- the development of the invention is preferably used in which the clamping device at the end of the winding spindle cooperates with an auxiliary device which has a cutting device with a rotating cutting means. In this way, all fibers of the fiber strand can be cut through quickly and without fraying.
- the cutting device has a cutting drive for driving the cutting means.
- the development of the invention is preferably carried out in which the auxiliary device has two freely rotatable rollers which are assigned to the cutting device and which are held on a movable carrier are, wherein the carrier reciprocates the rollers between a rest position and a catching position.
- the carrier reciprocates the rollers between a rest position and a catching position.
- auxiliary device In order to optionally combine the thread guide and the cutting device with each of the clamping devices on the winding spindles, provision is also made for the auxiliary device to be arranged on a machine frame next to the bobbin turret. The auxiliary device can thus be fed alternately to both clamping devices.
- the clamping plate of the clamping device is coupled to a thrust device inside the winding spindle, by means of which the clamping plate can be displaced against the bias to open the clamping slot. This makes it possible to release the fixed section of the fiber strand before the bobbin is removed.
- the thrust device is formed by a piston in a pressure chamber, which piston is supported on the clamping block via the compression spring and which pressure chamber can be acted upon by a pressure fluid acting on the piston to move the clamping plate and open the clamping slot.
- the clamping plate has a guide shaft at one end of the clamping block, the clamping slot at the end of the clamping block being formed between a plate collar of the clamping plate of an end face of the clamping block and the guide shaft being directly connected to the pushing device or the piston of the pushing device.
- the clamping slot In order to facilitate the immersion of the fiber strand into the clamping slot, provision is also made for the clamping slot to be assigned a plurality of transverse grooves which are evenly distributed on the circumference and which are partially arranged extend in the terminal block and partially in the clamping plate. This promotes the immersion of the fibers of the fiber strand in the clamping slot.
- each winding spindle alternately winds the fiber strand into a bobbin
- the clamping devices at the ends of the winding spindles are constructed identically.
- the winding machine according to the invention is particularly suitable for winding fiber strands with a total denier of up to 90,000 dtex. to wind up.
- Such fiber strands are preferably used as harvest binding twine.
- the fibers of the fiber strand can be produced as ribbons or as monofilaments from a synthetic polymer.
- the winding device according to the invention is particularly suitable for winding up the fiber strand produced at the end of an extrusion process.
- FIG. 1 and 2 an embodiment of the winding device according to the invention is shown in several views.
- Fig. 1 shows the embodiment in a front view and in Fig. 2 the embodiment is shown in a side view.
- Fig. 1 shows the embodiment in a front view
- Fig. 2 the embodiment is shown in a side view.
- a rotatably mounted winding turret 2 is arranged in a machine frame 1.
- Two projecting winding spindles 3.1 and 3.2 are arranged on the winding turret 2.
- the winding spindles 3.1 and 3.2 are held on the winding turret 2 offset from one another by 180 °.
- each of the winding spindles 3.1 and 3.2 is assigned a spindle drive 30.1 and 30.2.
- the winding revolver 2 is controlled via a revolver drive 31.
- the traversing means 7 is guided back and forth parallel to the winding spindle 3.1 and 3.2 by the traversing device 6.
- the traversing device 6 is assigned a dancer arm control unit 9, which has a movable dancer arm 9.1 and a dancer arm roller 9.2.
- the dancer arm control unit 9 is coupled to the spindle drives 30.1 and 30.2 in order to obtain the most constant possible winding speed when winding the fiber strand.
- the dancer arm roller 9.2 interacts with two stationary deflection rollers 8.1 and 8.2 which are held on the machine frame 1.
- An auxiliary device 10 is arranged on the machine frame 1 below the traversing device 6.
- the auxiliary device 10 has a carrier 16 which is coupled to a lifting cylinder 15 and is movably held on the machine frame 1.
- Two guide rollers 11.1 and 11.2 are arranged on the carrier 16 at a distance from one another.
- the guide rollers 11.1 and 11.2 are held freely rotatable.
- a cutting device 12 is arranged on the carrier 16 between the guide rollers.
- the cutting device 12 contains a rotating cutting means 13 which is connected to a cutting drive 14.
- the auxiliary device 10 cooperates with two clamping devices 4.1 and 4.2 arranged on the projecting ends of the winding spindle 3.1 and 3.2.
- the clamping devices 4.1 and 4.2 are in particular in the Fig. 2 shown.
- the clamping devices 4.1 and 4.2 at the front ends of the winding spindles 3.1 and 3.2 are identical. In this respect, im following with reference to the Fig. 3.1 and 3.2 only one of the clamping devices shown and described in more detail.
- the clamping device 4.1 is shown schematically in a cross-sectional view and in a plan view at the front end of the winding spindle 3.1.
- the Fig. 3.1 Figure 11 shows a cross-sectional view and 3.2 a top view of the clamping device 4.1.
- the clamping device 4.1 has a clamping block 19 which is firmly connected to the front end of the winding spindle 3.1.
- the clamping block 19 is attached to the end of a chuck 18 for this purpose.
- a clamping plate 20 is movably arranged on one end face of the clamping block 19.
- the clamping plate 20 consists of a central guide shaft 22 and a circumferential plate collar 23 which is connected to the guide shaft 22.
- the plate collar 23 falls on the end face of the clamping block 19 and forms a clamping slot 24 together with the clamping block 19.
- the plate collar 23 is inclined relative to a vertical and forms a threading groove 32 with a bevel formed on the clamping block 19
- Clamping slots 24 are formed circumferentially on the clamping device 4.1.
- the clamping plate 20 is coupled to a pusher device 21 arranged inside the winding spindle 3.1.
- the thrust device 21 has a thrust piston 27 which is connected to the guide shaft 22 of the clamping plate 20 via a coupling member 28.
- the thrust piston 27 supports relative to the terminal block 19 inside the winding spindle 3.1 by a compression spring 26.
- the clamping block 19 has a guide bore 33 in the interior of the winding spindle, into which the thrust piston 27 projects with a guide end.
- the thrust piston 27 is arranged in the interior of the winding spindle 3.1 in a pressure chamber 29.
- the pressure chamber 29 is coupled to the chuck 18 via an opening 36 in order to control a clamping device (not shown here) for a sleeve 17.
- the pressure chamber 29 can be subjected to compressed air.
- the clamping slot 24 has a plurality of transverse grooves 25 evenly distributed around the circumference.
- the transverse grooves 25 extend partly in the clamping block 19 and partly in the clamping plate 20.
- the transverse grooves 25 are designed to be limited in their depth and extent and facilitate the drawing-in of the fiber strand into the clamping slot 24.
- the Fig. 1 shows first of all the normal operation of the winding device when the fiber strand 34 is being wound up.
- the fiber strand 34 could be formed from a plurality of tapes or monofilaments in a preceding extrusion process.
- the fiber strand can have a total denier up to 90,000 dtex. exhibit.
- the fiber strand 34 is continuously fed to the winding device and guided over the deflection roller 8.1, the dancer arm roller 9.2 and the deflection roller 8.2. From the deflecting roller 8.2 the thread runs through the traversing device 6 and is wound up on the driven winding spindle 3.1 to form a bobbin 35.
- the fiber strand 34 is guided back and forth by the traversing means 7 within a traversing stroke, so that the bobbin 35 is wound with a cross winding.
- the winding spindles 3.1 and 3.2 are changed to move the winding spindle 3.1 out of the operating area into the changing area and the winding spindle 3.2 from the changing area into the operating area.
- the winding turret 2 is activated via the turret drive 31.
- the Fig. 4.1 the situation is shown in which the winding spindle 3.1 with the completely wound bobbin 35 is held in the changing area. In this phase the thread is guided through the deflection rod 5.1 and the traversing means 7 after it has run out of the full bobbin.
- the traversing means 7 with the fiber strand 34 is guided into a catching plane in the area of the clamping slot 24 of the clamping device 4.2.
- the fiber strand is guided through the deflecting rod 5.1 in such a way that the fiber strand 34 does not fall off the circumference of the bobbin 35.
- the auxiliary device 10 is then activated.
- the lifting cylinder 15 brings the carrier 16 with it the guide rollers 11.1 and 11.2 from a rest position into a catching position. This situation is in Fig. 4.2 shown.
- the fiber strand 34 is guided on the circumference of the guide rollers 11.1 and 11.2.
- the section of the fiber strand 34 between the guide rollers 11.1 and 11.2 is fed to the clamping device 4.2, the fiber strand penetrating the insertion groove 32 and being drawn into the clamping slot 24.
- the drawing in of the fiber strand 34 into the clamping slot 24 is supported by the transverse grooves 25 in the area of the clamping slot 24.
- the fiber strand 34 is gripped by the clamping slot 24 and is carried along with the rotation of the winding spindle 3.2, the thread section running off the clamping device 4.2 reaches the cutting device 12.
- the cutting means can be formed here by a knife disk, which is driven, for example, by a pneumatically operated turbine or an electric motor.
- a new bobbin can be wound on the winding spindle 3.2.
- the auxiliary device 10 is returned to its rest position. The auxiliary device 10 can thus be fed to each of the winding spindles 3.1 and 3.2 and thus to each clamping device 4.1 and 4.2 in the transfer phase.
- the auxiliary device 10 is held laterally next to the winding turret 2 on the machine frame 1.
- the bobbin that is completely wound on the winding spindle 3.1 can now be removed and replaced with a new sleeve 17.
- a compressed air is first blown inside the winding spindle 3.2, which on the one hand relaxes the clamping device 37 to release the sleeve 1.7 and on the other hand activates the thrust device 21 at the end of the winding spindle 3.2.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Winding Filamentary Materials (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
Aufspulvorrichtung zum kontinuierlichen Aufwickeln eines multifilen Faserstranges gemäß dem Oberbegriff des Anspruchs 1.Winding device for continuously winding up a multifilament fiber strand according to the preamble of
Eine gattungsgemäße Aufspulvorrichtung zum kontinuierlichen Aufwickeln eines multifilen Faserstranges ist aus der
Bei der bekannten Aufspulvorrichtung werden zwei an einem drehbar gelagerten Spulrevolver angeordnete Spulspindeln abwechselnd genutzt, um einen Faden kontinuierlich zu Spulen aufzuwickeln. Hierbei werden die Spulspindeln an dem Spulrevolver abwechselnd in einem Betriebsbereich zum Wickeln einer Spule und in einem Wechselbereich zur Abnahme der Spule geführt. Beim Wechseln der Spulspindeln in ihren Positionen muss der zulaufende Faden von der fertig gewickelten Spule zum Anwickeln einer neuen Spule zwischen den Spulspindeln übergeben werden. Hierzu weist jede der Spulspindeln an einem frei auskragenden Stirnende jeweils eine Klemmeinrichtung auf, durch welche der Faden nach einem Fangen fixiert wird. Die Klemmeinrichtung weist einen Klemmspalt auf, um den Faden zu fixieren. Dabei ist der Klemmeinrichtung eine Fangbuchse zugeordnet, die einen mit dem Klemmspalt zusammenwirkenden Fangschlitz aufweist. Somit lässt sich ein an dem Stirnende der Spulspindel geführter Faden durch den Fangschlitz fangen und in den Klemmspalt überführen. Hierbei wird der Faden nach Fixierung der Klemmeinrichtung durch Aufbau weiterer Zugspannungen gerissen.In the known winding device, two winding spindles arranged on a rotatably mounted winding turret are used alternately in order to continuously wind up a thread into bobbins. Here, the winding spindles on the winding turret are alternately guided in an operating area for winding a bobbin and in a changing area for removing the bobbin. When changing the position of the winding spindles, the incoming thread from the finished bobbin must be transferred between the winding spindles for winding on a new bobbin. For this purpose, each of the winding spindles has a clamping device at a freely projecting front end, by means of which the thread is fixed after being caught. The clamping device has a clamping gap in order to fix the thread. The clamping device is assigned a catch bushing which has a catch slot that interacts with the clamping gap. Thus, a thread guided at the front end of the winding spindle can be caught through the catching slot and transferred into the clamping gap. Here, after the clamping device has been fixed, the thread is torn by building up further tensile stresses.
Durch die
Beim Aufwickeln von multifilen Fasersträngen, die aus einer Vielzahl von einzelnen Fasern gebildet sind, besteht nun jedoch das Problem, dass zum einen nicht alle Fasern des Faserstrangs beim Fangen und Klemmen erfasst werden und zum anderen die Fasern beim Durchtrennen an unterschiedlichen Stellen zerrissen werden. Nicht in der Klemmeinrichtung fixierte Fasern führen zu ungewünschten Wickelbildungen an der Spulspindel bzw. an der Klemmeinrichtung und führen zu einer Prozessunterbrechung. Mit zunehmenden Gesamttitern des Faserstranges erhöht sich dieses Problem, so dass Fehlwechsel unvermeidbar sind.When winding multifilament fiber strands, which are formed from a large number of individual fibers, there is the problem that, on the one hand, not all fibers of the fiber strand are captured during catching and clamping and, on the other hand, the fibers are torn at different points when they are cut. Fibers not fixed in the clamping device lead to undesired winding formations on the winding spindle or on the clamping device and lead to a process interruption. This problem increases as the total titre of the fiber strand increases, so that incorrect changes are unavoidable.
Es ist nun Aufgabe der Erfindung, eine gattungsgemäße Aufspulvorrichtung zum kontinuierlichen Aufwickeln eines multifilen Faserstranges bereitzustellen, mit welchem insbesondere dicke Faserstränge, insbesondere Erntebindegarne kontinuierlich zu Spulen gewickelt werden können.It is now the object of the invention to provide a winder of the generic type for continuously winding a multifilament fiber strand, with which especially thick fiber strands, in particular harvest twine, can be continuously wound into bobbins.
Ein weiteres Ziel der Erfindung liegt darin, eine gattungsgemäße Aufspulvorrichtung zum kontinuierlichen Aufwickeln eines multifilen Faserstranges bereitzustellen, bei welcher eine Fadenübergabe zwischen zwei Spulspindeln mit relativ einfacher Fadenführung möglich ist.Another aim of the invention is to provide a winder of the generic type for the continuous winding of a multifilament fiber strand, in which a thread transfer between two winding spindles is possible with a relatively simple thread guide.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Klemmeinrichtung einen fest mit der Spulspindel verbunden Klemmblock und einen beweglichen Klemmteller aufweist, die miteinander zu einem umlaufenden Klemmschlitz elastisch verspannt sind.According to the invention, this object is achieved in that the clamping device has a clamping block firmly connected to the winding spindle and a movable clamping plate which are elastically clamped together to form a circumferential clamping slot.
Vorteilhafte Weiterbildungen der Erfindung sind durch die Merkmale und Merkmalskombinationen der jeweiligen Unteransprüche definiert.Advantageous developments of the invention are defined by the features and combinations of features of the respective subclaims.
Die Erfindung besitzt den besonderen Vorteil, dass der zulaufende Faserstrang direkt in den umlaufenden Klemmschlitz eintauchen kann. Das Fangen mittels einer Fangkerbe ist nicht erforderlich. Durch den umlaufenden Klemmschlitz am Umfang der Spulspindel kann der laufende Faden direkt in den Klemmschlitz eingelegt und dort erfasst werden. Unabhängig vom Titer des Faserstranges ist eine sichere Fixierung möglich. Hierzu ist der Klemmteller mit dem Klemmblock elastisch verspannt.The invention has the particular advantage that the incoming fiber strand can dip directly into the circumferential clamping slot. Catching with a catch notch is not required. Due to the surrounding clamping slot on the circumference of the winding spindle, the running thread can be inserted directly into the clamping slot and grasped there. Secure fixation is possible regardless of the titer of the fiber strand. For this purpose, the clamping plate is elastically clamped to the clamping block.
Damit eine reproduzierbare Klemmkraft in dem Klemmschlitz erzeugt werden kann, ist vorgesehen, den Klemmteller und den Klemmblock durch eine Druckfeder gegeneinander zu verspannen.So that a reproducible clamping force can be generated in the clamping slot, it is provided that the clamping plate and the clamping block are braced against one another by a compression spring.
Damit auch bei sehr großen Fadentitern eine schnelle und sichere Durchtrennung des Faserstranges nach der Fixierung möglich ist, wird die Weiterbildung der Erfindung bevorzugt verwendet, bei welcher die Klemmeinrichtung an dem Stirnende der Spulspindel mit einer Hilfseinrichtung zusammenwirkt, die eine Schneidvorrichtung mit einem rotierenden Schneidmittel aufweist. So können alle Fasern des Faserstranges schnell und ohne Ausfransungen durchtrennt werden.So that a quick and safe severing of the fiber strand after fixation is possible even with very large yarn counts, the development of the invention is preferably used in which the clamping device at the end of the winding spindle cooperates with an auxiliary device which has a cutting device with a rotating cutting means. In this way, all fibers of the fiber strand can be cut through quickly and without fraying.
Die Schneidvorrichtung weist hierzu einen Schneidantrieb zum Antreiben des Schneidmittels auf.For this purpose, the cutting device has a cutting drive for driving the cutting means.
Um die Fadenführung während der Fadenübergabe von einer fertig gewickelten Spule zu der übernehmenden Spulspindel definiert ausführen zu können, ist die Weiterbildung der Erfindung bevorzugt ausgeführt, bei welcher die Hilfseinrichtung zwei frei drehbare Rollen aufweist, die der Schneidvorrichtung zuordnet sind und die an einem beweglichen Träger gehalten sind, wobei der Träger die Rollen zwischen einer Ruhestellung und einer Fangstellung hin- und herführt. So wird an dem laufenden Faden ein sich zwischen den zwei drehbaren Rollen aufgespanntes Fadenstück durch die Hilfseinrichtung in den Klemmschlitz geführt.In order to be able to execute the thread guide during the thread transfer from a finished bobbin to the receiving bobbin spindle, the development of the invention is preferably carried out in which the auxiliary device has two freely rotatable rollers which are assigned to the cutting device and which are held on a movable carrier are, wherein the carrier reciprocates the rollers between a rest position and a catching position. Thus, on the running thread, a piece of thread stretched between the two rotatable rollers is guided through the auxiliary device into the clamping slot.
Um die Fadenführung und die Schneidvorrichtung wahlweise mit jeder der Klemmeinrichtungen an den Spulspindeln zu kombinieren, ist desweiteren vorgesehen, die Hilfseinrichtung an einem Maschinengestell neben dem Spulenrevolver anzuordnen. Somit lässt sich die Hilfseinrichtung abwechselnd beiden Klemmeinrichtungen zuführen.In order to optionally combine the thread guide and the cutting device with each of the clamping devices on the winding spindles, provision is also made for the auxiliary device to be arranged on a machine frame next to the bobbin turret. The auxiliary device can thus be fed alternately to both clamping devices.
Bei der Abnahme der fertig gewickelten Spulen ist der in der Klemmeinrichtung fixierte Anfang des Faserstranges aus dem Klemmschlitz herauszuziehen. Um hierbei keine gewickelte Lage der Spule zu beeinflussen, ist der Klemmteller der Klemmeinrichtung mit einer Schubeinrichtung im Innern der Spulspindel gekoppelt, durch welche der Klemmteller zu einem Öffnen des Klemmschlitzes entgegen der Vorspannung verschiebbar ist. Damit besteht die Möglichkeit, den fixierten Abschnitt des Faserstranges vor der Abnahme der Spule freizugeben.When the completely wound bobbins are removed, the beginning of the fiber strand fixed in the clamping device must be pulled out of the clamping slot. In order not to influence the wound position of the bobbin, the clamping plate of the clamping device is coupled to a thrust device inside the winding spindle, by means of which the clamping plate can be displaced against the bias to open the clamping slot. This makes it possible to release the fixed section of the fiber strand before the bobbin is removed.
Die Schubeinrichtung wird durch einen Kolben in einem Druckraum gebildet, welcher Kolben sich über die Druckfeder am Klemmblock abstützt und welcher Druckraum zu einem Verschieben des Klemmtellers und Öffnen des Klemmschlitzes mit einem auf den Kolben wirkenden Druckfluid beaufschlagbar ist. So kann kurz vor Abnahme der fertig gewickelten Spule an der Spulspindel eine Entspannung des Klemmschlitzes ausgeführt werden.The thrust device is formed by a piston in a pressure chamber, which piston is supported on the clamping block via the compression spring and which pressure chamber can be acted upon by a pressure fluid acting on the piston to move the clamping plate and open the clamping slot. Thus, shortly before the finished bobbin is removed from the winding spindle, the clamping slot can be released.
Zur sicheren Führung weist der Klemmteller einen Führungsschaft an einem Stirnende des Klemmblockes auf, wobei der Klemmschlitz am Stirnende des Klemmblockes zwischen einem Tellerkragen des Klemmtellers einer Stirnfläche des Klemmblockes gebildet ist und wobei der Führungsschaft mit der Schubeinrichtung bzw. dem Kolben der Schubeinrichtung direkt verbunden ist.For safe guidance, the clamping plate has a guide shaft at one end of the clamping block, the clamping slot at the end of the clamping block being formed between a plate collar of the clamping plate of an end face of the clamping block and the guide shaft being directly connected to the pushing device or the piston of the pushing device.
Um das Eintauchen des Faserstranges in den Klemmschlitz zu begünstigen, ist desweiteren vorgesehen, dem Klemmschlitz mehrere am Umfang gleichmäßig verteilte angeordnete Quernuten zuzuordnen, die sich teilweise im Klemmblock und teilweise im Klemmteller erstrecken. So wird das Eintauchen der Fasern des Faserstranges in den Klemmschlitz begünstigt.In order to facilitate the immersion of the fiber strand into the clamping slot, provision is also made for the clamping slot to be assigned a plurality of transverse grooves which are evenly distributed on the circumference and which are partially arranged extend in the terminal block and partially in the clamping plate. This promotes the immersion of the fibers of the fiber strand in the clamping slot.
Da jede Spulspindel abwechselnd den Faserstrang zu einer Spule wickelt, sind die Klemmeinrichtungen an den Stirnenden der Spulspindeln identisch aufgebaut.Since each winding spindle alternately winds the fiber strand into a bobbin, the clamping devices at the ends of the winding spindles are constructed identically.
Die erfindungsgemäße Aufspulmaschine ist besonders geeignet, um Faserstränge mit einem Gesamttiter bis zu 90.000 dtex. aufzuwickeln. Derartige Faserstränge werden bevorzugt als Erntebindegarne verwendet. Dabei können die Fasern des Faserstranges als Bändchen oder als Monofile aus einem synthetischen Polymer erzeugt werden. Insoweit ist die erfindungsgemäße Aufspulvorrichtung besonders geeignet, um am Ende eines Extrusionsprozesses den erzeugten Faserstrang aufzuwickeln.The winding machine according to the invention is particularly suitable for winding fiber strands with a total denier of up to 90,000 dtex. to wind up. Such fiber strands are preferably used as harvest binding twine. The fibers of the fiber strand can be produced as ribbons or as monofilaments from a synthetic polymer. In this respect, the winding device according to the invention is particularly suitable for winding up the fiber strand produced at the end of an extrusion process.
Ein Ausführungsbeispiel der erfindungsgemäßen Aufspulvorrichtung wird nachfolgend unter Bezug auf die beigefügten Figuren näher erläutert.An embodiment of the winding device according to the invention is explained in more detail below with reference to the accompanying figures.
Es stellen dar:
- Fig. 1
- schematisch eine Vorderansicht eines Ausführungsbeispiels der erfindungsgemäßen Aufspulvorrichtung
- Fig. 2
- schematisch eine Seitenansicht des Ausführungsbeispiels aus
Fig. 1 - Fig. 3.1
- schematisch eine Querschnittsansicht einer Klemmeinrichtung des Ausführungsbeispiels aus
Fig. 1 - Fig. 3.2
- schematisch eine Draufsicht der Klemmeinrichtung aus
Fig. 3.1 - Fig. 4.1
- schematisch eine Vorderansicht des Ausführungsbeispiels aus
Fig. 1 bei einem Spindelwechsel - Fig. 4.2
- schematisch eine Vorderansicht des Ausführungsbeispiels aus
Fig. 1 bei einer Fadenübergabe
- Fig. 1
- schematically a front view of an embodiment of the winding device according to the invention
- Fig. 2
- schematically a side view of the embodiment from
Fig. 1 - Fig. 3.1
- schematically shows a cross-sectional view of a clamping device of the embodiment
Fig. 1 - 3.2
- schematically shows a plan view of the clamping device
Fig. 3.1 - Fig. 4.1
- schematically a front view of the embodiment from
Fig. 1 when changing the spindle - Fig. 4.2
- schematically a front view of the embodiment from
Fig. 1 at a thread transfer
In den
In einem Maschinengestell 1 ist ein drehbar gelagerter Spulrevolver 2 angeordnet. An dem Spulrevolver 2 sind zwei auskragende Spulspindeln 3.1 und 3.2 angeordnet. Die Spulspindeln 3.1 und 3.2 sind um 180° versetzt zueinander an dem Spulrevolver 2 gehalten.A rotatably mounted winding
Wie aus der Darstellung in
Aus der Darstellung in
Seitlich neben dem Spulrevolver 2 ist eine Changiereinrichtung 6 an dem Maschinengestell 1 gehalten, die ein bewegbares Changiermittel 7 aufweist. Das Changiermittel 7 wird durch die Changiereinrichtung 6 parallel zur Spulspindel 3.1 und 3.2 hin- und hergeführt.A
Zur Führung eines Faserstranges 34 ist der Changiereinrichtung 6 eine Tänzerarmregeleinheit 9 zugeordnet, die einen beweglichen Tänzerarm 9.1 und eine Tänzerarmrolle 9.2 aufweist. Die Tänzerarmregeleinheit 9 ist mit den Spindelantrieben 30.1 und 30.2 gekoppelt, um eine möglichst konstante Wickelgeschwindigkeit beim Aufwickeln des Faserstranges zu erhalten. Die Tänzerarmrolle 9.2 wirkt mit zwei stationären Umlenkrollen 8.1 und 8.2 zusammen, die an dem Maschinengestell 1 gehalten sind.To guide a
Unterhalb der Changiereinrichtung 6 ist eine Hilfseinrichtung 10 an dem Maschinengestell 1 angeordnet. Die Hilfseinrichtung 10 weist einen Träger 16 auf, der mit einem Hubzylinder 15 gekoppelt ist und beweglich an dem Maschinengestell 1 gehalten ist. An dem Träger 16 sind im Abstand zueinander zwei Führungsrollen 11.1 und 11.2 angeordnet. Die Führungsrollen 11.1 und 11.2 sind frei drehbar gehalten. Zwischen den Führungsrollen ist an dem Träger 16 eine Schneidvorrichtung 12 angeordnet. Die Schneidvorrichtung 12 enthält ein rotierendes Schneidmittel 13, das mit einem Schneidantrieb 14 verbunden ist.An
Die Hilfseinrichtung 10 wirkt mit zwei an den auskragenden Enden der Spulspindel 3.1 und 3.2 angeordneten Klemmeinrichtungen 4.1 und 4.2 zusammen. Die Klemmeinrichtungen 4.1 und 4.2 sind insbesondere in der
In den
Wie aus der Darstellung in
An einer Stirnseite des Klemmblockes 19 ist ein Klemmteller 20 beweglich angeordnet. Der Klemmteller 20 besteht aus einem mittleren Führungsschaft 22 und einem umlaufenden Tellerkragen 23, der mit dem Führungsschaft 22 verbunden ist. Der Tellerkragen 23 stürzt sich an der Stirnseite des Klemmblockes 19 ab und bildet gemeinsam mit dem Klemmblock 19 einen Klemmschlitz 24. Der Tellerkragen 23 ist gegenüber einer Vertikalen geneigt ausgeführt und bildet mit einer am Klemmblock 19 angeformten Schräge eine Einfädelnut 32. Die Einfädelnut 32 und der Klemmschlitz 24 sind umlaufend an der Klemmeinrichtung 4.1 ausgebildet.A clamping
Der Klemmteller 20 ist mit einer im Innern der Spulspindel 3.1 angeordneten Schubeinrichtung 21 gekoppelt. Die Schubeinrichtung 21 weist einen Schubkolben 27 auf, der über ein Kopplungsglied 28 mit dem Führungsschaft 22 des Klemmtellers 20 verbunden ist. Der Schubkolben 27 stützt sich gegenüber dem Klemmblock 19 im Innern der Spulspindel 3.1 durch eine Druckfeder 26 ab. Zur Führung des Schubkolbens 27 weist der Klemmblock 19 im Innern der Spulspindel eine Führungsbohrung 33 auf, in welcher der Schubkolben 27 mit einem Führungsende hineinragt.The clamping
Der Schubkolben 27 ist im Innern der Spulspindel 3.1 in einem Druckraum 29 angeordnet. Der Druckraum 29 ist über eine Öffnung 36 mit dem Spannfutter 18 gekoppelt, um eine hier nicht gezeigte Klemmeinrichtung für eine Hülse 17 zu steuern. Der Druckraum 29 lässt sich hierzu mit einer Druckluft beaufschlagen.The
Wie aus der Darstellung in
Zur Erläuterung der erfindungsgemäßen Aufspulvorrichtung wird neben der
Die
Sobald die Spule 35 an der Spulspindel 3.1 einen gewünschten Spulendurchmesser aufweist, wird ein Wechsel der Spulspindeln 3.1 und 3.2 durchgeführt, um die Spulspindel 3.1 aus dem Betriebsbereich in den Wechselbereich und die Spulspindel 3.2 aus dem Wechselbereich in den Betriebsbereich zu führen. Hierzu wird der Spulrevolver 2 über den Revolverantrieb 31 aktiviert. In der
Zur Übernahme des Faserstranges 34 von der Spulspindel 3.2 wird dann die Hilfseinrichtung 10 aktiviert. Der Hubzylinder 15 bringt den Träger 16 mit den Führungsrollen 11.1 und 11.2 aus einer Ruhestellung in eine Fangstellung. Diese Situation ist in
In der Fangstellung der Hilfseinrichtung 10 wird der Faserstrang 34 am Umfang der Führungsrollen 11.1 und 11.2 geführt. Dabei wird der Abschnitt des Faserstranges 34 zwischen den Führungsrollen 11.1 und 11. 2 der Klemmeinrichtung 4.2 zugeführt, wobei der Faserstrang die Einlegenut 32 durchdringt und in den Klemmschlitz 24 eingezogen wird. Das Einziehen des Faserstranges 34 in den Klemmschlitz 24 wird dabei durch die Quernuten 25 im Bereich des Klemmschlitzes 24 unterstützt.In the catching position of the
Sobald der Faserstrang 34 von dem Klemmschlitz 24 erfasst ist und mit der Umdrehung der Spulspindel 3.2 mitgeführt wird, gelangt der von der Klemmeinrichtung 4.2 ablaufende Fadenabschnitt in die Schneidvorrichtung 12. In der Schneidvorrichtung 12 wird der Faserstrang 34 durch das rotierende Schneidmittel 13 durchtrennt. Das Schneidmittel kann hierbei durch eine Messerscheibe gebildet sein, die beispielsweise über eine pneumatisch betriebene Turbine oder einen Elektromotor angetrieben wird. Nach dem Durchtrennen des Faserstranges 34 kann eine neue Spule an der Spulspindel 3.2 gewickelt werden. Die Hilfseinrichtung 10 wird in ihre Ruhestellung zurückgeführt. Somit lässt sich die Hilfseinrichtung 10 jeder der Spulspindeln 3.1 und 3.2 und somit jeder Klemmeinrichtungen 4.1 und 4.2 in der Übergabephase zuführen. Die Hilfseinrichtung 10 ist hierzu seitlich neben dem Spulrevolver 2 an dem Maschinengestell 1 gehalten.As soon as the
Die an der Spulspindel 3.1 fertig gewickelte Spule lässt sich nun abnehmen und durch eine neue Hülse 17 ersetzen. Um die fertig gewickelte Spule 35 von der Spulspindel 3.1 abzuziehen, wird zunächst im Innern der Spulspindel 3.2 eine Druckluft eingeblasen, die einerseits ein Entspannen der Klemmeinrichtung 37 zur Freigabe der Hülse 1.7 bewirkt und andererseits die Schubeinrichtung 21 am Stirnende der Spulspindel 3.2 aktiviert.The bobbin that is completely wound on the winding spindle 3.1 can now be removed and replaced with a
Wie aus der Darstellung in
Nachdem eine neue Hülse 17 auf die Spulspindel 3.1 aufgeschoben ist, wird die Druckluft im Druckraum 29 im Innern der Spulspindel 3.1 abgelassen, so dass die Hülse am Umfang des Spannfutters 18 geklemmt wird. Gleichzeitig wird der Klemmteller 20 durch die auf den Schubkolben 27 wirkende Druckfeder 26 an den Klemmblock 19 gedrückt und der Klemmschlitz 24 ist wieder geschlossen und bereit für eine neue Übergabe.After a
Claims (9)
- Take-up winding device for continuously winding a multifilament fibre strand (34), having two drivable winding spindles (3.1, 3.2) and a rotatably mounted winding turret (2) for holding the protruding winding spindles (3.1, 3.2), wherein the winding spindles (3.1, 3.2) by the winding turret (2) are able to be guided in an alternating manner in an operating region for winding a package (35) and in a changeover region for doffing the package (35), and wherein each of the winding spindles (3.1, 3.2) on the protruding end thereof has a clamping installation (4.1, 4.2) for catching the fibre strand (34), wherein the clamping installation (4.1, 4.2) has a clamping block (19) which is fixedly connected to the winding spindle (3.1, 3.2) and a movable clamping disc (20), said clamping block (19) and said clamping disc (20) being elastic tensioned in relation to one another so as to form an encircling clamping slot (24), characterized in that the clamping disc (20) is coupled to a thrust installation (21) in the interior of the winding spindle (3.1, 3.2) by way of which the clamping disc (20) for opening the clamping slot (24) is displaceable counter to the pretension, wherein the thrust installation (21) is formed by a piston (27) in a pressurized chamber (29), said piston (27) by way of the compression spring (26) being supported on the clamping block (19), and said pressurized chamber (29) for displacing the clamping disc (20) and opening the clamping slot (24) being able to be impinged by a pressurized fluid acting on the piston (27), and in that the clamping slot (24) is assigned a plurality of transverse grooves (25) which are disposed so as to be distributed uniformly on the circumference and which extend partially in the clamping block (19) and partially in the clamping disc (20).
- Device according to Claim 1, characterized in that the clamping disc (20) and the clamping block (19) are tensioned in relation to one another by a compression spring (26).
- Device according to Claim 1 or 2, characterized in that the clamping installation (4.1, 4.2) at the end sides of the winding spindle (3.1, 3.2) interacts with an auxiliary installation (10) which has a cutting device (12) having a rotating cutting means (13).
- Device according to Claim 3, characterized in that the cutting device (12) has a cutter drive (14) for driving the cutting means (13).
- Device according to Claim 3 or 4, characterized in that the auxiliary installation (10) has two freely rotatable guide rollers (11.1, 11.2) which are assigned to the cutting device (12) and which are held on a movable support (16), wherein the support (16) in a reciprocating manner guides the guide rollers (11.1, 11.2) between a resting position and a catching position.
- Device according to one of Claims 3 to 5, characterized in that the auxiliary installation (10) is held beside the winding turret (2) on a machine frame (1) and in an alternating manner is able to be supplied to both clamping installations (4.1, 4.2).
- Device according to one of Claims 1 to 6, characterized in that the clamping disc (20) is guided by a guide shaft (22) at one end side of the clamping block (19), wherein the clamping slot (24) at the end side of the clamping block (19) is formed between a disc collar (23) of the clamping disc (20) and an end face of the clamping block (19), and wherein the guide shaft (22) is connected to the thrust installation (21).
- Device according to Claim 7, characterized in that the guide shaft (22) of the clamping disc (20) is connected to the piston (27) in the interior of the winding spindle (3.1, 3.2).
- Device according to one of Claims 1 to 8, characterized in that the clamping installations (4.1, 4.2) at the end sides of the winding spindle (3.1, 3.2) are of identical construction.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016012201.3A DE102016012201A1 (en) | 2016-10-12 | 2016-10-12 | spooling |
PCT/EP2017/075892 WO2018069374A1 (en) | 2016-10-12 | 2017-10-11 | Take-up winding device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3526148A1 EP3526148A1 (en) | 2019-08-21 |
EP3526148B1 true EP3526148B1 (en) | 2020-09-02 |
Family
ID=60051528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17781491.0A Active EP3526148B1 (en) | 2016-10-12 | 2017-10-11 | Take-up winding device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3526148B1 (en) |
DE (1) | DE102016012201A1 (en) |
PT (1) | PT3526148T (en) |
WO (1) | WO2018069374A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112942834A (en) * | 2021-03-04 | 2021-06-11 | 胡志恒 | Rope retracting device for building construction of umbrella operation structure capable of simulating rotation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2352435A1 (en) * | 1973-10-19 | 1975-04-30 | Blaschke & Co Gmbh Emil | Yarn cutter for high-speed winding unit - has two discs and cutting blade rotating coaxially with winding core |
DE3224967A1 (en) * | 1981-07-11 | 1983-01-27 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Winding device |
DE9301313U1 (en) * | 1993-01-30 | 1993-03-25 | Du Pont de Nemours (Deutschland) GmbH, 6380 Bad Homburg | Thread winder |
DE10235209C1 (en) | 2002-08-01 | 2003-12-18 | Sahm Georg Fa | Automatic bobbin winder, with at least two spindles, has a catch bush and a guide bush at the free end of each spindle, with a clamp between them to secure the yarn at the start of a bobbin winding cycle |
DE602008006723D1 (en) * | 2007-08-17 | 2011-06-16 | Lohia Starlinger Ltd | COOKING DEVICE FOR AUTOMATIC COOKING TRANSMISSION IN TURNOVER |
-
2016
- 2016-10-12 DE DE102016012201.3A patent/DE102016012201A1/en not_active Withdrawn
-
2017
- 2017-10-11 WO PCT/EP2017/075892 patent/WO2018069374A1/en unknown
- 2017-10-11 PT PT177814910T patent/PT3526148T/en unknown
- 2017-10-11 EP EP17781491.0A patent/EP3526148B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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WO2018069374A1 (en) | 2018-04-19 |
EP3526148A1 (en) | 2019-08-21 |
PT3526148T (en) | 2020-10-30 |
DE102016012201A1 (en) | 2018-04-12 |
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