EP3697710A1 - Aufspulvorrichtung - Google Patents
AufspulvorrichtungInfo
- Publication number
- EP3697710A1 EP3697710A1 EP18786729.6A EP18786729A EP3697710A1 EP 3697710 A1 EP3697710 A1 EP 3697710A1 EP 18786729 A EP18786729 A EP 18786729A EP 3697710 A1 EP3697710 A1 EP 3697710A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bobbin
- fiber strand
- suction opening
- injector
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title claims abstract description 44
- 239000000835 fiber Substances 0.000 claims abstract description 64
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000002699 waste material Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- 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
- B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
- B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
-
- 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
-
- 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
-
- 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
- B65H67/08—Automatic end-finding and material-interconnecting arrangements
- B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
-
- 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
- B65H2701/313—Synthetic polymer threads
- B65H2701/3132—Synthetic polymer threads extruded from spinnerets
Definitions
- the invention relates to a winding device for winding from a fiber strand to a coil according to the preamble of claim 1.
- Such winding devices for winding a fiber strand in the form of a thermoplastic ribbon, multifilament yarn or a monofilament are used in a plurality in textile machines or extrusion plants in order to continuously wind the fiber strand into a coil at the end of a production process or a treatment process.
- such winding devices on several auxiliary devices to perform an automatic bobbin change after completion of a coil winding, so that the intervention of an operator to change the bobbin is not required.
- Such a winding device for winding a fiber strand into a coil is known, for example, from WO 2015/055399 A2.
- the known winding device has a bobbin holder which is fork-shaped and is held pivotably in a machine frame. At the free end of the bobbin holder arms clamping plate are provided to fix a winding tube for receiving a coil.
- the coil holder can be held in an operating position in which the coil holder interacts with a pressure roller. By an upstream traversing the fiber strand is laid so that the coil is wound with a cross winding. The drive of the coil takes place via the clamping plate, of which at least one is coupled to an electric motor. After completion of the coil winding, the coil holder can be guided from the operating position into a release position to deliver the finished wound coil to a coil tray.
- the coil tray is located on an opposite machine longitudinal side.
- the thread is guided by the traversing device in a predetermined change position to be taken over by an injector during the pivotal movement of the bobbin holder.
- the injector device has a cutting means and a suction nozzle in order to receive it after cutting through the fiber strand and to supply it continuously to a waste container.
- the finished wound coil is released from the bobbin holder and replaced by a new winding tube.
- the bobbin holder can be pivoted back into the operating position, so that with the help of catching the thread can be caught on a new winding tube and wound into a new coil.
- This object is achieved in that the injector has a slot-shaped suction opening which extends in the direction of yarn travel of the accumulating on the coil fiber strand.
- the invention has the particular advantage that, on the one hand, the suction flow generated at the suction opening can occur in a highly concentrated and directed manner. On the other hand, the dipping of the fiber strand after cutting is much easier. By aligned parallel to the fiber strand slot-shaped suction opening and very stiff fiber strands can be detected safely.
- the suction opening is designed with a rectangular opening cross-section, which has an opening width in the range of 1 mm to 5 mm.
- both fine and thick fiber strands can be absorbed with conventional injector pressure.
- the suction opening is funnel-shaped with an outwardly increasing opening length and has an opening angle in the range of 40 ° to 75 °.
- opening lengths at the suction opening of over 30 mm can be realized in order to promote the immersion of a cut end of the fiber strand.
- the development is particularly advantageous, in which the suction opening is limited in a not covered by the cutting means portion by a cutout such that the knife forms a leading edge for the fiber strand.
- no additional auxiliary equipment is required to supply the fiber strand to the knife.
- the development of the invention is particularly advantageous, in which the suction opening is formed in an adapter which is fastened to an injector such that the suction opening with a suction channel in the Injector housing is connected. There is thus the possibility that the suction opening on the injector device can be changed quickly by replacing the adapter.
- a compressed air connection is preferably formed directly below the adapter on the injector housing. This ensures short lengths for generating the suction flow.
- FIG. 1 shows schematically a front view of an embodiment of the winding device according to the invention
- FIG. 2 schematically shows a side view of the embodiment from FIG. 1;
- FIG. 3 schematically shows a cross-sectional view of an injector device of the FIG
- FIG. 4 is a schematic plan view of the injector device from FIG. 3, FIG. 5
- Fig. 6 shows schematically a side view of the embodiment of Fig. 1 in different operating situations in a bobbin change.
- Fig. 7 shows schematically a side view of another embodiment of the winding device according to the invention
- FIG. 1 an embodiment of the winding device according to the invention for winding a fiber strand to a coil is shown schematically in several views.
- Figure 1 the embodiment is shown in a front view and in Figure 2 in a side view.
- Figure 2 the following description applies to both figures.
- the exemplary embodiment has a coil holder 1, which is fork-shaped and has two spaced apart coil holder arms 1.1. and 1.2. having.
- the coil holder 1 is held within a machine frame, not shown here, by a pivot axis 2 and can be pivoted about an actuator 5 about the pivot axis 2 around.
- At the free ends of the coil holder arms 1.1 and 1.2. is in each case arranged on an inner side of a clamping plate 3.1 and 3.2, which tension a winding tube 19 between them.
- the clamping plate 3.1 is assigned to the bobbin holder 1, a coil drive 4 to drive the bobbin 19 during the Wickicke a fiber strand.
- the spool holder 1 For winding a spool 16, the spool holder 1 is held in an operating position in which the spool holder 1 cooperates with a contact roller 6. The spool 16 is held in contact with the contact roller 6. In order to allow an increase of the coil 16, then the coil holder 1 is moved about the pivot axis 2.
- the contact roller 6 are arranged in the yarn path a traversing device 7, a deflection bar 12 and a thread guide roller 13 upstream.
- the thread guide roller 13 forms the beginning of a so-called traversing triangle, in which a fiber strand is guided back and forth by a traversing yarn guide 8 of the traversing device 7.
- the fiber strand is here designated by the reference numeral 15 and could be formed by one or more foil tapes, one or more multifilament threads or by one or more monofilaments.
- the thread guide roller 13 is associated with a force measuring means 14 in order to measure a thread tension on the tapering tape 15.
- the force measuring means 14 is connected to a control unit 1 1, which is also coupled to the coil drive 4. Thus can be controlled by the coil drive 4, depending on a winding tension, the peripheral speed of the coil 16.
- the curved deflection bar 12 is provided between the thread guide roller 13 and the traversing device 7, in order to obtain a speed compensation during traversing on the fiber strand.
- the traversing drive 9 of the traversing device 7 is formed in this embodiment for driving the traversing yarn guide 8 by a sweeping roller 9.2 and an electric motor 9.1.
- the traversing yarn guide 8 is guided within a groove, not shown here, on the circumference of the Kehrgewindewelle 9.2.
- the Kehrgewindewelle 9.2 is associated with a sensor device 10 to determine the position of the traversing yarn guide 8 within a traverse stroke.
- the sensor device 10 and the electric motor 9.1 are coupled to the control unit 1 1.
- the contact roller 6 is freely rotatably mounted in the machine frame.
- an injector device 17 is arranged on the opposite side of the contact roller 6 to the traversing device 7.
- the injector device 17 has a cutting means 17.1 and a suction opening 17.2 in order to cut through the fiber strand during a bobbin change and briefly lead to a waste container.
- the structure of the injector 17 will be explained in more detail below.
- a sleeve magazine 18 for receiving a plurality of winding tubes 19 is arranged above the bobbin holder 1, a sleeve magazine 18 for receiving a plurality of winding tubes 19 is arranged above the bobbin holder 1, a sleeve magazine 18 for receiving a plurality of winding tubes 19 is arranged above the bobbin holder 1, a sleeve magazine 18 for receiving a plurality of winding tubes 19 is arranged above the bobbin holder 1, a sleeve magazine 18 for receiving a plurality of winding tubes 19 is arranged
- a bobbin tray 21 is formed on a side of the machine frame opposite the traversing device 7.
- the bobbin tray 21 has a rolling track 22 in order to keep a bobbin 16 ready for clearing after being released by the bobbin holder 1.
- the spool holder 1 is pivoted between the operating position into a release position. By opening at least one of the clamping plates 3.1 or 3.2, the coil 16 of the coil tray 21 can thus be transferred.
- the fiber strand 15, which continuously runs on and winds around the bobbin it is necessary for the fiber strand 15, which continuously runs on and winds around the bobbin, to be severed and the incoming fiber strand 15 to be sucked off. Then the coil can be braked by the coil drive 4 and then released.
- the injector device 17 has a slot-shaped suction opening 17.2.
- an embodiment of the injector 17 is shown in several views.
- the injector 17 is shown in a cross-sectional view and in Figure 4 in a plan view without cutting means.
- the following description applies to both figures.
- the injector device 17 has an injector housing 24, which is penetrated in front of a central suction channel 26. At a blowing end of the injector 24 a waste line 29 is connected, which is connected to a waste container not shown here. An opposing suction end of the injector 24 is connected to an adapter 23.
- the connection between the adapter 23 and the injector 24 is preferably carried out releasably to replace the adapter 23 can.
- a funnel-shaped suction slot 27 is formed. det, which completely penetrates the adapter 23.
- the suction slot 27 tapers toward the injector housing 24 and is connected to the suction channel 26. At the opposite end of the suction slot 27 forms the slot-shaped suction port 17.2.
- the suction opening 17. 2 has a rectangular opening cross-section which has an opening width.
- the opening width is identified in FIG. 4 by the small letter b.
- the opening width b of the suction opening is in the range of 1 mm to 5 mm, preferably in the range of 2 mm to 4 mm.
- an opening length of the suction opening 17.2 is determined by an opening angle of the funnel-shaped suction slot 27.
- the opening angle is indicated in Figure 4 with the code letter ⁇ .
- the opening angle ⁇ is preferably in the range of 40 ° to 75 °.
- suction openings can be realized with an opening length in the range> 30 mm.
- the cutting means 17.1 is arranged.
- the cutting means 17.1 has a knife holder 31 and a knife 32 held on the knife holder 3.1.
- the knife holder 31 is arranged on the adapter 23 such that the knife 32 extends transversely to the suction opening 17.2.
- the suction opening 17.2 is covered in a partial area by the knife holder 31, the knife holder 31 partially having a separating slot in the region of the suction opening 17.3.
- the adapter 23 has a cutout 28, so that the suction opening 17.2 opens extends below the blade 32.
- the knife 32 forms a leading edge for the fiber strand to obtain an automatic cutting of the fiber strand.
- the installation of the injector device 17 in the region of the bobbin holder 1 is such that the slot-shaped suction opening 17.2 extends in the thread running direction of the fiber strand 15 running onto the bobbin 16.
- the position of the fiber strand 15 during bobbin change is fixed by the traversing device 7 such that the suction opening 17.2 and the positioned traversing yarn guide 8 lie in a yarn running plane.
- the position of the traversing yarn guide 8 for bobbin change is determined depending on the position of the suction opening 17.2.
- FIGS. 5 and 6 show the exemplary embodiment from FIGS. 1 and 2 in different operating situations, from which the function of the injector device 17 emerges.
- the traversing yarn guide 8 is guided by the traversing device 7 into a change position which is matched to the suction opening 17. 2 of the injector device 17.
- the coil 16 is further driven and the fiber strand is wound as a bead on the circumference of the spool 16.
- the bobbin holder 1 is guided from the operating position to the release position. This situation is shown in FIG.
- the driver string 15 running onto the bobbin 16 is guided into the injector device 17, the fiber strand being severed at the knife 32.
- the fact that forming end of the incoming fiber strand is detected directly by the suction port 17.2 and the suction flow generated therein and fed into the suction slot 27. Via the suction slot 27, the end of the fiber strand enters the suction channel 26 and is guided via the waste line 29 to a waste container. This situation is shown in FIG.
- FIG. 7 schematically shows a further exemplary embodiment of the winding device according to the invention in a side view.
- the embodiment of FIG. 7 is substantially identical to the aforementioned embodiment of FIGS. 1 and 2, so that only the differences are explained below and otherwise reference is made to the above description.
- a pivot arm 32 is associated with the bobbin holder.
- the pivot arm 32 is pivotally guided on a pivot axis 34 by an actuator, not shown here.
- the pivot arm 32 has a guide element 33.
- the guide element 33 can be guided out of a rest position into the yarn path of the fiber strand in the region of the injector device 17.
- the Schenkarm 32 is activated by an actuator such that the guide member 33, the fiber strand 15 in the area between see the contact roller 6 and the coil holder 1 takes.
- the guide member 33 leads the fiber strand 15 directly into the suction port 17.2 of the injector 17.
- the fiber strand 15 is severed by a knife of the injector 17, so that the end of the incoming fiber strand 15 directly by the generated suction flow of the injector 17 is pulled into the suction slot.
- the pivot arm 32 is returned to its rest position. The bobbin change and the acquisition of a new winding tube and taking over the fiber strand is carried out as already described in the embodiment of FIGS. 1 and 2.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Winding Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017009728.3A DE102017009728A1 (de) | 2017-10-19 | 2017-10-19 | Aufspulvorrichtung |
PCT/EP2018/077670 WO2019076712A1 (de) | 2017-10-19 | 2018-10-11 | Aufspulvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3697710A1 true EP3697710A1 (de) | 2020-08-26 |
EP3697710B1 EP3697710B1 (de) | 2022-03-30 |
Family
ID=63862133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18786729.6A Active EP3697710B1 (de) | 2017-10-19 | 2018-10-11 | Aufspulvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3697710B1 (de) |
DE (1) | DE102017009728A1 (de) |
WO (1) | WO2019076712A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110963360B (zh) * | 2019-12-24 | 2024-06-14 | 江苏杜为新材料科技有限公司 | 一种单丝落卷切换器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5931256A (ja) * | 1982-08-12 | 1984-02-20 | Toyoda Autom Loom Works Ltd | 糸端吸出し方法 |
DE50003358D1 (de) * | 1999-03-13 | 2003-09-25 | Barmag Barmer Maschf | Vorrichtung und verfahren zum führen und schneiden eines zulaufenden fadens beim spulenwechsel |
JP2014125348A (ja) * | 2012-12-27 | 2014-07-07 | Murata Mach Ltd | 糸引出し装置及び糸巻取機 |
EP3057896B1 (de) | 2013-10-14 | 2020-05-13 | STC Spinnzwirn GmbH | Vorrichtung zum extrudieren, verstrecken und aufwickeln einer schar von folienbändchen |
DE102015009216A1 (de) * | 2014-08-28 | 2016-03-03 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum Aufwickeln eines Bändchens oder Fadens |
-
2017
- 2017-10-19 DE DE102017009728.3A patent/DE102017009728A1/de not_active Withdrawn
-
2018
- 2018-10-11 EP EP18786729.6A patent/EP3697710B1/de active Active
- 2018-10-11 WO PCT/EP2018/077670 patent/WO2019076712A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
EP3697710B1 (de) | 2022-03-30 |
WO2019076712A1 (de) | 2019-04-25 |
DE102017009728A1 (de) | 2019-04-25 |
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