EP1563128A1 - Device for melt-spinning and winding a plurality of threads - Google Patents
Device for melt-spinning and winding a plurality of threadsInfo
- Publication number
- EP1563128A1 EP1563128A1 EP03772317A EP03772317A EP1563128A1 EP 1563128 A1 EP1563128 A1 EP 1563128A1 EP 03772317 A EP03772317 A EP 03772317A EP 03772317 A EP03772317 A EP 03772317A EP 1563128 A1 EP1563128 A1 EP 1563128A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- threads
- sensors
- godet
- 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.)
- Withdrawn
Links
- 238000004804 winding Methods 0.000 title claims abstract description 47
- 238000002074 melt spinning Methods 0.000 title claims abstract description 8
- 238000009987 spinning Methods 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims description 14
- 238000011156 evaluation Methods 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
- B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
- B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
- B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
- B65H63/0322—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators using capacitor sensing means, i.e. the defect signal is a variation of impedance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
- B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
- B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
- B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
- B65H63/0327—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators using piezoelectric sensing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
- B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D7/00—Collecting the newly-spun products
-
- 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 device for melt spinning and winding several threads according to the preamble of claim 1.
- the threads are formed in parallel next to each other by combining a large number of freshly spun filaments.
- the filaments are extruded through a spinning device arranged side by side. After the filaments have cooled, the filament bundle is joined by a preparation device. The cohesion between the filaments is achieved by a preparation agent.
- the threads are then treated to adjust certain physical properties.
- the threads are guided at least over a godet unit.
- each of the threads is wound into bobbins in parallel winding units of a winding device.
- the threads are brought together after the melt spinning to a small thread treatment distance.
- the threads are guided in parallel with the treatment distance from one another via one or more godet units.
- Thread guiding devices are provided in the thread path between the spinning device and the winding device. Devices of this type have proven particularly useful for melt spinning and winding up a large number of threads of 10, 12 or 16 threads. To monitor the production process, such devices have thread break sensors which are assigned to the threads. Such a device is known, for example, from US Pat. No. 6,210,143, in which the thread break sensors are directly assigned to the winding units of the winding device. The thread break sensors serve to signal a thread break of one of the threads of a control device, so that the melt spinning process can be interrupted and major consequential damage caused by sympathetic breaks in the neighboring threads and winding formations are avoided.
- the known device has the disadvantage that the arrangement of the thread break sensors, in particular for monitoring a large number of threads, requires a corresponding large number of interfaces and signal lines and thus has a considerable susceptibility to faults.
- the thread break sensors are arranged as a structural unit in one plane in the area of the godet unit, in which the threads with a distance of max. 20 mm are guided to each other.
- the yarn break sensors are thus shifted within the spinning line into a zone in which the yarns are guided close to each other and have not yet been spread out, or at the very beginning, to be continued in the winding device.
- the invention is based on the knowledge that, in the event of thread breaks in the winding stations, the subsequent winder formation essentially only occurred on the inlet side of a godet unit.
- the arrangement according to the invention of the thread break sensors on the outlet side of the godet unit ensures that rapid signaling takes place even in the event of a thread break in the winding device in order to avoid the formation of winders.
- the thread break sensors within a housing are electrically interconnected and connected together to a signal output of the housing.
- the signal output is coupled to a control device by a signal line.
- a large number of thread break sensors can thus be connected to the control device via a single interface.
- the interface can preferably be designed as a plug connection.
- an advantageous further development of the invention provides for the electrical connection of the thread break sensors to be carried out in such a way that if one of the threads breaks, a sum signal is generated and fed to the signal output.
- the sum signal is independent of which of the sensors has signaled a thread break. All signals from the thread break sensors are added and thus form the sum signal.
- the preferred development of the invention in which the electrical connection of the thread break sensors is designed such that if one of the threads breaks, the thread break sensor concerned assigned individual signal generated and fed to the signal output.
- the connection between the assembly of the thread break sensors and the control device is preferably switched by a professional bus system.
- the thread break sensors are arranged directly in the thread run of the last godets in order to guide the threads as thread guides before spreading.
- the thread break sensors can thus be used both for monitoring the threads and for guiding the threads. Additional thread guides in the outlet area of the godet are not required. An additional possible touching and deflection of the threads can thus be avoided.
- the thread break sensors are arranged directly in the thread run of the godet unit before the threads run out before the last godet.
- the position in the last loop of the godets is particularly suitable for the arrangement of the thread break sensors.
- the thread break sensors can be designed as contact sensors, optical sensors or as capacitive sensors.
- the further development of the invention in which an evaluation electronics is provided, through which the signals of the thread break sensors can be evaluated in each case to control a preparation job of the thread and to determine a break of the thread, is particularly useful preferred embodiment of the invention.
- capacitive measuring means the change in capacitance caused by the thread of a capacitor is detected and evaluated.
- Fig. 1 shows schematically an embodiment of the device according to the invention
- Fig. 2 shows schematically an embodiment of a structural unit consisting of several thread break sensors
- Fig. 3 schematically shows another embodiment of a structural unit consisting of several thread break sensors
- Fig. 4 schematically shows another embodiment of a device for process monitoring
- Fig. 1 an embodiment of the device according to the invention is shown schematically.
- the device consists of a spinning device 2, a godet unit 3 arranged below the spinning device 2 and a winding device 14 arranged downstream of the godet unit 3.
- the spinning device 2 is designed, for example, with three spinning stations in order to spin three synthetic threads in parallel next to one another.
- the spinning device 2 has a spinning pump 4, which can be designed, for example, as a gear pump.
- the spinning pump 4 is driven by the pump drive 21.
- the pump drive 21 is coupled to a control device 20.
- the spinning pump 4 is designed as a multiple pump and supplies in parallel several spinnerets 5 at the same time.
- Each of the spinnerets 5 has a nozzle plate 6 on the underside, through which a plurality of filament strands 7 are extruded.
- the filament strands 7 pass through a cooling shaft 8 arranged below the spinnerets 5.
- a cooling medium preferably a blown-in cooling air, is directed onto the filament strands 7, so that the filament strands 7 are cooled within the cooling shaft 8.
- the filament strands 7 are brought together into a thread 1 by a preparation device 9 and the thread guides 34.
- the preparation device 9 is designed as a roller preparation, in which the preparation roller is driven by a roller drive 10, so that the preparation roller, which is partially immersed in a liquid bath, rotates uniformly and the threads 1 guided on its surface are wetted with a preparation agent contained in the bath.
- the godet unit 3 consists of a take-off godet 11 and a stretch godet 22.
- the take-off godet 11 is a freely rotatable overflow roller 12 and Stretching godet 22 assigned to the freely rotatable overflow roller 23, so that the threads 1 are guided in parallel in several loops over the godets 11 and 22.
- the take-off godet 11 is driven by the godet drive 13 and the extended godet 22 by the godet drive 24.
- the godet drives 13 and 24 are controlled by the control device 20.
- a differential speed is set between the take-off godet 11 and the draw godet 22 in order to stretch the threads.
- the winding device 14 is arranged below the godet unit 3, by means of which the threads 1 are wound into a bobbin 15 after the treatment.
- the winding device 14 has a total of three winding points 25 arranged next to one another.
- the coils 15 are in the winding stations 25 held on a cantilevered spindle 16.
- the spindle 16 is driven via a winding drive 1-7 in such a way that the threads 1 are wound onto the bobbin 15_ at a constant winding speed.
- the winding drive 17 is connected to the control device 20.
- On the circumference of the bobbin 15 is a pressure roller 19 partially wrapped around the threads.
- a structural unit 26 with a plurality of integrated thread break sensors 27 is arranged in the outlet area of the stretch godet 22.
- the structure of the assembly 26 and the arrangement of the yarn break sensors 27 within the assembly will be described in more detail later.
- the thread break sensors 27 are coupled to the control device 20 via a signal line 28.
- a thread collecting device 33 is arranged in the thread run, which can be controlled via the control device 20.
- the thread collecting device 33 has means for collecting, cutting and removing the thread sheet.
- the threading device is known from EP 1 049 823, so that reference can be made to the cited document at this point.
- the threads 1 are monitored by the thread break sensors 27 immediately after the stretch godet 22 has passed.
- the distances of the threads 1 from one another are determined by a treatment distance B which is set to guide the threads 1.
- the treatment distance B depends on the number of threads and on the length of occupation of the godets 11 and 22 and on the number of wraps of the threads on the godets 11 and 22. In cases where, for example, up to 12 threads in several loops are passed over a godet, treatment distances of less than 6 mm are set. In such cases, the yarn break sensors are preferably placed in an initial area of the yarn sheet spread after the godet has passed.
- the threads 1 are spread from the treatment distance B to the winding point distance A.
- the thread guide required for spreading the threads 1 is carried out directly by the structural unit 26.
- the spool distance A depends on the spool width and is in the range of 85 to 250 mm.
- each winding unit 25 is preceded by a head thread guide 39, so that the spreading of the threads 1 from the treatment distance B to the winding unit distance A is effected by the assembly 26 and the head thread guides 39.
- the sensor signal of the thread break sensor is converted into a control command for the thread collecting device 33.
- the thread collecting device 33 bundles and cuts the threads and leads them to a yarn container via suction.
- the pump drive 21 is switched over by the control device 20 to a creep speed.
- the creep speed of the spinning pump 4 is selected such that a minimum throughput in the spinnerets 5 is maintained.
- the process variant has the advantage on the one hand that an upstream melt source - for example an extruder - does not have to be switched off and on the other hand no cooling of the spinnerets occurs.
- an upstream melt source - for example an extruder - does not have to be switched off and on the other hand no cooling of the spinnerets occurs.
- the melt-carrying parts are continuously heated by heating devices.
- FIG. 2 schematically shows the structure of the structural unit 26 from FIG. 1 which contains the thread break sensors 27.
- the thread break sensors 27 are each formed by a guide groove 36 and a capacitor 30 enclosing the guide groove 36.
- a total of three guide grooves 36 and thus three yarn break sensors 27 are formed in parallel next to one another in the housing 29.
- the threads 1 are guided within the guide groove 36.
- the groove walls of the guide groove 36 are preferably provided with ceramic inserts.
- adjacent thread break sensors 27 are each shielded by a shield plate 35 in such a way that the adjacent capacitors 30 do not influence one another.
- the capacitors 30 and the yarn break sensor 27 are electrically connected to one another via a link 31 within the housing 29.
- the link 31 is constructed such that a sum signal is generated.
- the sum signal is led via a signal output 32 through the connected signal line 28 to the control device, not shown here.
- FIG. 3 shows a further exemplary embodiment of a structural unit 26, such as would be used, for example, in the device shown in FIG. 1.
- the thread break sensors 27 are designed as contact sensors, in which a piezo element 37 bears in the base of the guide groove 36.
- the threads 1 are guided with a loop around the piezo element 37, so that a contact force acting on the piezo elements 37 arises.
- the guide 36 is designed in accordance with the previous embodiment.
- the piezo elements 37 are connected to the link 31, in each of which an individual signal assigned to the position is generated and fed to the signal line 28 via the signal output 32. This means that each thread break can be assigned to the respective spinning position, which can be particularly useful for locating and eliminating the causes of errors.
- FIG. 4 shows a further exemplary embodiment of a device for process monitoring with a structural unit with a plurality of thread broach sensors 27, as would be used, for example, in the device shown in FIG. 1.
- the structure of the assembly 26 is identical to the arrangement shown in FIG. 2. In this respect, reference is made to the previous description of FIG. 2 and only the differences are shown at this point.
- the thread break sensors 27 are electrically coupled to one another in such a way that individual signals of the thread break sensors 27 in question can be generated and output via the signal output 32.
- the individual signals are first converted into a Evaluated to electronic controller 38 whether the signaled with the single change in signal state has a ⁇ yarn break or a change in spin finish the yarn as the cause.
- the evaluation electronics 38 can be integrated in the control device 20 or else in the structural unit 26.
- the evaluation electronics 38 are advantageously connected directly to the control device 20, so that appropriate measures can be taken as a function of the evaluation. For example, if a too small preparation order is detected, a signal could be generated on one of the threads, which would trigger a check and check of the preparation device.
- the structure of the embodiment of the device according to the invention shown in FIG. 1 is exemplary and can be replaced by any configuration of the spinning device, the godet unit and the winding device. It is essential for the invention that in the transition area from the godet unit to the winding device the thread break sensors are directly assigned to the godet unit in order to obtain a compact and high integration of the thread sensors which are only assigned to the control device via a signal output with a signal line.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10254712 | 2002-11-23 | ||
DE10254712 | 2002-11-23 | ||
PCT/EP2003/012456 WO2004048651A1 (en) | 2002-11-23 | 2003-11-07 | Device for melt-spinning and winding a plurality of threads |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1563128A1 true EP1563128A1 (en) | 2005-08-17 |
Family
ID=32335764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03772317A Withdrawn EP1563128A1 (en) | 2002-11-23 | 2003-11-07 | Device for melt-spinning and winding a plurality of threads |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1563128A1 (en) |
CN (1) | CN1714178A (en) |
WO (1) | WO2004048651A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008116759A2 (en) * | 2007-03-23 | 2008-10-02 | Oerlikon Textile Gmbh & Co. Kg | Method and device for melt spinning, treating and winding a synthetic thread |
JP5717755B2 (en) * | 2009-12-11 | 2015-05-13 | エーリコン テクスティル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトOerlikon Textile GmbH & Co. KG | Control device |
IT1399114B1 (en) * | 2010-04-01 | 2013-04-05 | Balestreri | METHOD AND DEVICE TO DETECT THE BREAKAGE OF ONE OR MORE BATHS IN SYNTHETIC FIBER SPINNING PROCESSES |
CN103866414B (en) * | 2012-12-11 | 2017-06-23 | 日本Tmt机械株式会社 | Spinning draw-gear |
CN108190641B (en) * | 2018-01-26 | 2024-06-04 | 联亚智能科技(苏州)有限公司 | Automatic winding machine set for rubber parts |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07101633A (en) * | 1993-10-05 | 1995-04-18 | Murata Mach Ltd | Spinning winder |
JPH1183652A (en) * | 1997-09-04 | 1999-03-26 | Toray Eng Co Ltd | Assembled type tension detecting sensor |
TW436532B (en) * | 1998-01-24 | 2001-05-28 | Barmag Barmer Maschf | Spinning line |
DE10309966A1 (en) * | 2002-03-27 | 2003-10-09 | Barmag Barmer Maschf | Melt spinning assembly control reduces the speed of the spinning pump drive and filament treatment stages during splicing and joining, to allow for bobbin changes and filament break repairs with minimum wastage |
-
2003
- 2003-11-07 EP EP03772317A patent/EP1563128A1/en not_active Withdrawn
- 2003-11-07 CN CN 200380103964 patent/CN1714178A/en active Pending
- 2003-11-07 WO PCT/EP2003/012456 patent/WO2004048651A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2004048651A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1714178A (en) | 2005-12-28 |
WO2004048651A1 (en) | 2004-06-10 |
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