WO2019029895A1 - Verfahren zum anlegen und separieren einer fadenschar sowie eine schmelzspinnvorrichtung - Google Patents
Verfahren zum anlegen und separieren einer fadenschar sowie eine schmelzspinnvorrichtung Download PDFInfo
- Publication number
- WO2019029895A1 WO2019029895A1 PCT/EP2018/067041 EP2018067041W WO2019029895A1 WO 2019029895 A1 WO2019029895 A1 WO 2019029895A1 EP 2018067041 W EP2018067041 W EP 2018067041W WO 2019029895 A1 WO2019029895 A1 WO 2019029895A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- convergence
- thread
- melt spinning
- guide
- separierfadenführer
- Prior art date
Links
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
- D01D13/02—Elements of machines in combination
-
- 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
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/003—Arrangements for threading or unthreading the guide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/16—Guides for filamentary materials; Supports therefor formed to maintain a plurality of filaments in spaced relation
-
- 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
- D01D11/00—Other features of manufacture
- D01D11/02—Opening bundles to space the threads or filaments from one another
-
- 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
-
- 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 method for applying and separating a yarn sheet in a melt spinning process according to the preamble of claim 1 and to a melt spinning apparatus according to the preamble of claim 8.
- the threads In melt spinning of synthetic threads, it is common for the threads to be composed by combining a plurality of freshly spun yarns Filaments are formed. The filaments are extruded through juxtaposed spinnerets located on a bottom surface of a spinneret. After the filaments have cooled, the filament bundles produced per spinneret are brought together in each case by a collection thread guide to form a thread.
- the collective thread guides are preferably arranged centrally to the spinnerets.
- the threads In the known melt spinning device, the threads must be inserted into the separating thread guide during a process start or a process interruption. be threaded to obtain the predetermined pitches for guiding the yarn sheet on the godets.
- the application and separation of the threads is carried out with the aid of a suction injector, which sucks in the freshly extruded threads and continuously feeds them to a yarn waste container during the application process.
- a Hilfssseparierfadenraising is used, which is assigned to the Separierfaden concerned stationary.
- the Hilfsseparierfadenterrorism forms an excellent contact edge, in which a plurality of slot-shaped openings are formed side by side.
- the openings are formed adjacent to one another with a relatively small thread spacing, wherein the slots in the auxiliary separating thread guide open into a plurality of guide means of the separating thread guide.
- the guiding means of the separating thread guide have a thread spacing required for guidance on the godet.
- the thread guide with a suction injector In the case of the thread guide with a suction injector, it should always be noted that the threads do not show a stable thread run due to the suction flow and, depending on the distance to the suction nozzle, execute a more or less large oscillatory movement. In the known method and in the known melt spinning device, therefore, the distance between the suction nozzle and the auxiliary separating yarn guide must be kept as short as possible. However, with a large number of threads, the problem arises that individual insertion slots of the auxiliary separating thread guide simultaneously seize a plurality of threads. A precise guidance of the suction injector reduces this risk, but it can not be completely ruled out that some threads are positioned incorrectly.
- Sauginjektoren usually performed by an operator who reaches different positioning accuracies with the suction nozzle of the suction injector depending on the day shape. It is therefore an object of the invention to provide a method of the generic type for applying and separating a yarn sheet and a melt spinning device of the generic type, in which or in which the yarn sheet with high security and as quickly as possible to the Separierfadenrent can be applied.
- a relative movement of the thread convergence is carried out at the convergence edge in order to feed the threads to the guide means of the separating thread guide.
- This relative movement is carried out by means of the suction injector. Since the Sauginjektor is held so or so movable, no further moving components with associated actuators are necessary to allow this relative movement.
- the application of the yarn sheet to the Separierfadenising when it is in a contact position takes place.
- the different process units, as well as the separating yarn guide and the godets are arranged as close together as possible.
- the freedom of movement of the suction injector during application would be limited if it were in its operating position.
- the suction injector would collide with the godets during the application process.
- the suction injector can also be guided in front of the godets when it is created and is thus no longer restricted in its freedom of movement by the godets.
- the separating yarn guide passes through a plane which is formed by an end face of the godets.
- the separating yarn guide is preferably returned to the operating position in order to be able to guide the yarns over the godets following the thread pitch reduced by the separating yarn guide or at the desired treatment distance.
- the guiding means are in the operating position in planes which pass through the godets and are arranged perpendicular to the axis thereof. Due to the relatively small treatment distance correspondingly short godets can be used.
- the Separierfaden founding is brought in a business interruption in a collection position.
- This collection position characterizes the fact that the yarn sheet is no longer passed over the following process units together from the separating yarn guide. However, the previous units remain in operation, so that a quick reassembly or recommissioning of the melt spinning device is possible. This reduces the times of possible business interruptions.
- the suction injector is guided by means of a robot.
- the creation of the Separierfaden thrilling is automatically executable. This increases the productivity of the entire melt spinning apparatus.
- Such a robot can be used to apply the yarn sheets to a plurality of juxtaposed melt spinning devices.
- the predetermined height distance is designed such that the convergence edge and in each case a guide means with an associated seed thread guide lie in a straight line.
- the threads are located on the separating thread guide during application. Due to the defined guidance of the group of threads at the convergence edge, the threads run very precisely in the described straight line and do not swing around this straight line. Thus, the risk that a thread is created in a wrong guide is minimized.
- the position of the Sauginjektors used for creating plays a minor role, so that the Sauginjektor can be performed with less precision and faster, without causing errors when creating.
- the convergence edge is formed on a convergence sheet. This is easy and inexpensive to produce.
- convergence edge is formed on a ceramic pin.
- a ceramic pin is very resistant to wear due to contact with the yarn sheet.
- the threads are little stressed due to favorable Reibbedingen.
- the convergence edge is arranged at an angle of 60 ° - 90 ° to a thread running plane. This thread running plane is formed by the guiding means of the separating thread guide in its application position and by the collecting thread guide. This ensures that the threads reach the guide means from the front, where the opening of the guide means is very large. This also increases the security that each thread is inserted into the associated guide means.
- the height distance between Separierfadenterrorism and convergence edge is made adjustable.
- tolerances which occur during production can be compensated. This is done by setting the height level once before the process starts.
- the height distance between the separation thread guide and the convergence edge is greater than 150 mm.
- the risk of collision of the sutures or suction injector e.g. too big with the godets during the docking process. Nevertheless, a low overall height of the melt spinning apparatus and optimum yarn travel during production are possible.
- a distance between the end face of the gilette and the convergence edge is likewise adjustable. This results in the same advantages as the adjustability of the height difference between the convergence edge and Separierfadenschreib.
- the device according to the invention is explained in more detail below with reference to some embodiments of the device according to the invention with reference to the attached figures.
- 1 is a schematic front view of a first embodiment of the device according to the invention during application, schematically a side view of a second embodiment of the device according to the invention during application, a schematic plan view of the second embodiment of the device according to the invention
- Fig. L a front view of a first embodiment of the device according to the invention is shown schematically.
- spinnerets 5.1 - 5.4 are supplied with a synthetic polymer in melt liquid form via an inlet 3 during operation of the melt spinning device.
- the polymer stream is usually provided by means of an extruder or a polycondensation system, which is not shown here for the sake of clarity.
- the spinnerets 5.1 - 5.4 are held on a spinning beam 4, by means of which the spinnerets 5.1 - 5.4 additionally tempered. From each spinneret 5.1 - 5.4, a filament bundle 6.1 - 6.4 is extruded from many individual filaments. For this purpose, a plurality of nozzle bores are respectively arranged in the spinnerets 5.1 - 5.4.
- each filament bundle 6.1 - 6.4 is combined into a thread 2.1- 2.4.
- the totality of the threads 2.1 - 2.4 represents a group of threads 1.
- the filaments are cooled by means of an unillustrated blowing while gradually changing from a liquid to a solid state.
- the collecting thread guides 8.1 - 8.4 are adjustable in their distance from the spinnerets 5.1 - 5.4, which is symbolized by the double arrow drawn on the side.
- FIG. 1 the melt spinning plant is shown during the application process. From inlet 3 to collecting thread guides 8.1 - 8.4, the condition has already been reached by means of which the operation of the installation takes place. The application to the other units must still be made for the operation of the system. In particular, the application to a Separierfaden inhabit 9, which is here rather in a contact position 10.
- the Separierfaden investigating 9 has four guide means 13.1 - 13.4, one for each thread 2.1 - 2.4.
- the threads 2.1 - 2.4 are brought to a so-called treatment distance to each other, with which you treated together and in parallel, ie, for example, as shown in Figure 4 via two godets 20.1 and 20.2 out.
- Such godets 20.1 and 20.2 are common in melt spinning plants to stretch threads or temper.
- the godets 20.1 and 20.2 can be driven by means of two godet motors 21.1-21.2.
- a small treatment distance is selected, which is usually about 4 mm, which corresponds to the distance between two adjacent guide means 13.1 - 13.4.
- the separating yarn guide 9 protrudes at least partially beyond an end face of the godets 20.1 and 20.2.
- the dimensions of conventional melt spinning plants are designed such that the yarn sheet 1 would otherwise collide with the godets 20.1 and 20.2 when creating.
- a suction injector 24 which is guided by a robot 23 and a convergence edge 18.
- the convergence edge 18 is formed in this embodiment of a convergence plate 16.
- the threads 2.1 - 2.4 are guided by means of the suction injector 24 to a waste container, not shown here.
- the tip of the suction injector 24 is initially positioned so that the threads 2.1 - 2.4 converge at the convergence edge 18 and thus form a thread convergence 19. All threads 2.1 - 2.4 are thus in the thread convergence 19 at one and the same point.
- the guiding of the yarn sheet 1 at the convergence edge 18 leads to a very smooth yarn path between the collecting yarn guides 8.1 - 8.4 and the convergence edge 18.
- FIG. 2 shows a ceramic pin 17
- FIG. 1 shows the convergence plate 16 made of a metallic raw material. The function of these two components is explained below and is the same for both.
- the suction injector 24 is moved toward the separating yarn guide 9 in the direction of the convergence edge 18.
- the thread convergence 19 remains at the convergence edge 18.
- Each thread 2.1 - 2.4 comes closer to its associated guide means 13.1 - guide means 13.4.
- the convergence edge 18 is arranged such that it intersects a thread running plane 7 from the guide means 13.1-13.4 and the bundle thread guides 8.1-8.4.
- a height distance H between the guide means 13.1-13.4 and the convergence edge 18 and a distance I between the convergence edge 18 and the end face 22 of the godet 20.1 is set so that each thread, when it reaches the thread running plane 7 by means of the suction injector 24 and reached with contact to the convergence edge 18, exactly in its associated guide means 13.1 - 13.4 is performed.
- the suction injector 24 has been guided into this position, with its tip in the thread running plane 7 or slightly through the thread running plane 7, the application process to the separating thread guide 9 has ended.
- these components are vertically and horizontally adjustable, so that the height distance H and the distance I are changeable.
- the robot 23 also serves to move the suction injector 24. However, it would also be conceivable for the suction injector 24 to be guided manually by a machine operator. The robot 23 is guided hanging on a rail 25. Thus, the robot 23 is capable of being reciprocated between a plurality of so-called spinning positions to perform engagement at a plurality of spinning positions. In Fig. 1, only a single spinning position is shown. Usually, for reasons of productivity, a plurality of spinning positions are arranged next to one another so that a plurality of spinning beams 4 are arranged adjacently in a row.
- Fig. 2 is due to the side view only the spinneret 5.1 and a single filament bundle 6.1 as well as only a group thread guide 8.1 visible. All other elements are arranged behind it. Nevertheless, all four threads 2.1 - 2.4 are guided by the suction injector 24.
- an angle a of the convergence edge 18 to the thread running plane 7 is clearly visible. This angle is values between 60 ° and 90 °. Decisive in the choice of this angle and, in principle, in the arrangement of the convergence edge 18 is that the application of the yarn sheet 1 to the separation thread guide 9 is as simple, safe and quick as possible. Theoretically, non-linear convergence edges 18 are also conceivable if this has a positive effect on the abovementioned criteria.
- FIG. 3 shows a plan view of the separating yarn guide 9 and the ceramic pencil 17 of the second exemplary embodiment of the invention. All other elements have been omitted for clarity.
- the reference numerals are the same as in Fig. 2.
- the angle a between the convergence edge 18 and the thread running plane 7 forms. This representation of the second direction of the angle a is intended to make it clear that the angle a is present not only in one direction, but in an infinite number of directions. It is important that always the smallest angle between the convergence edge 18 and the thread running plane 7 is meant. As in FIG. 2, the penetration from the convergence edge 18 through the thread running plane 7 can also be seen particularly well in FIG. 3.
- FIG. 4 schematically shows a front view of the first embodiment of the melt spinning device according to the invention during operation.
- the same reference numerals are used as in the preceding figures. Since the course of the melt spinning process up to the separating yarn guide 9 has already been described with reference to FIG. 1, reference is made here to the following to limit the components and their influence on the yarn sheet 1 from the separating yarn guide 9 downstream. After the Separierfadenraising 9, the yarn sheet 1 is first performed on the godet 20.1 and then on the godet 20.2. This is possible because the Separierfadenterrorism 9 here in its operating position 1 1 is located.
- the threads 2.1 - 2.4 are deducted from the spinnerets 5.1 - 5.4 and stretched. Due to the small number of godets, which are furthermore unheated, partially drawn yarns (POY) are produced with the melt spinning apparatus shown here.
- POY partially drawn yarns
- the invention is also applicable to equipment for the production of fully drawn yarns for textile (FDY) and technical applications (IDY), as well as equipment for the production of crimped yarns for the carpet industry (BCF). For this purpose, only the number and execution of the godets must be adjusted. Eventually, additional process units are necessary.
- the threads 2.1 - 2.4 are wound by means of a winding machine not shown here in each case to a coil. This winding takes place on sleeves, which are rotated by means of the take-up machine.
- FIG. 5 schematically shows a front view of the first exemplary embodiment of the device according to the invention with the separating yarn guide 9 in a collecting position 12.
- the same components are provided with the same reference numerals as in the preceding figures.
- the yarn sheet 1 is removed by means of a stationary suction 14. This is useful, for example, for problems in the rewinder, so that the process only has to be partially interrupted. The extrusion of the plastic melt through the spinnerets 5.1 - 5.3 can continue.
- the yarn sheet 1 was guided by means of the Separierfaden réelles 9 in the suction 14.
- the Separierfadenterrorism 9 is guided from the operating position 1 1 in the collection position 12, which is disposed adjacent to the exhaust 14.
- the group of threads 1 can also be performed at the start of the process in the meantime, the suction 14.
- the threads 2.1 - 2.4 are brought into the suction 14 automatically or by a machine operator.
- the yarn sheet 1 can be taken from the suction 14 of the robot 23.
- the suction injector 24 is brought to the yarn sheet 1.
- attached to the robot 23 cutting the yarn sheet 1 is severed and discharged in the following by means of the suction injector 24.
- the robot 23 is designed such that the application of the yarn sheet 1 to the godets 20.1 - 20.2 can also be carried out automatically by means of the robot 23. After applying the yarn sheet 1 to the godets 20.1 - 20.2 the threads are 2.1 - 2.4 to aggregates of the rewinding and last applied to the sleeves. For this purpose necessary auxiliary devices are not shown here, if it makes sense but the robot 23 shown can be taken to the aid. It should be noted at this point that suction 14, knife 15, Separierfaden researching 9 and the godets 20.1 - 20.2 may be part of the take-up reel, not shown here.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020506140A JP7105869B2 (ja) | 2017-08-05 | 2018-06-26 | 糸群を糸掛けしかつ分離するための方法ならびに溶融紡糸装置 |
CN201880050824.6A CN110997992B (zh) | 2017-08-05 | 2018-06-26 | 用于铺放和分离纱片的方法以及熔纺装置 |
DE112018003991.9T DE112018003991A5 (de) | 2017-08-05 | 2018-06-26 | Verfahren zum anlegen und separieren einer fadenschar sowie eine schmelzspinnvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017007431.3 | 2017-08-05 | ||
DE102017007431.3A DE102017007431A1 (de) | 2017-08-05 | 2017-08-05 | Verfahren zum Anlegen und Separieren einer Fadenschar sowie eine Schmelzspinnvorrichtung |
Publications (1)
Publication Number | Publication Date |
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WO2019029895A1 true WO2019029895A1 (de) | 2019-02-14 |
Family
ID=62750994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2018/067041 WO2019029895A1 (de) | 2017-08-05 | 2018-06-26 | Verfahren zum anlegen und separieren einer fadenschar sowie eine schmelzspinnvorrichtung |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP7105869B2 (de) |
CN (1) | CN110997992B (de) |
DE (2) | DE102017007431A1 (de) |
WO (1) | WO2019029895A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022004015A1 (de) | 2022-10-26 | 2024-05-02 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zum automatischen Anlegen einer Mehrzahl von synthetischen Fäden an einer Wicklervorrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006000429A1 (de) | 2004-06-29 | 2006-01-05 | Saurer Gmbh & Co. Kg | Schmelzspinnvorrichtung und verfahren um anlegen mehrerer multifiler fäden in eine schmelzpinnvorrichtung |
DE102007014511A1 (de) * | 2007-03-27 | 2008-10-02 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zum Schmelzspinnen, Behandeln und Aufwickeln mehrerer multifiler Fäden |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5759180B2 (de) * | 1973-11-05 | 1982-12-13 | Teijin Ltd | |
JPH0411007A (ja) * | 1990-04-27 | 1992-01-16 | Toray Eng Co Ltd | 糸条製造装置の運転方法、および、その装置 |
JP2002317326A (ja) * | 2001-04-18 | 2002-10-31 | Teijin Ltd | 溶融紡糸装置 |
DE102004039510A1 (de) * | 2004-08-14 | 2006-02-23 | Saurer Gmbh & Co. Kg | Vorrichtung und Verfahren zum Schmelzspinnen, Abziehen, Behandeln und Aufwickeln mehrerer synthetischer Fäden |
DE102015013890A1 (de) * | 2015-10-28 | 2017-05-04 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum Anlegen mehrerer Fäden |
-
2017
- 2017-08-05 DE DE102017007431.3A patent/DE102017007431A1/de not_active Withdrawn
-
2018
- 2018-06-26 DE DE112018003991.9T patent/DE112018003991A5/de active Pending
- 2018-06-26 WO PCT/EP2018/067041 patent/WO2019029895A1/de active Application Filing
- 2018-06-26 JP JP2020506140A patent/JP7105869B2/ja active Active
- 2018-06-26 CN CN201880050824.6A patent/CN110997992B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006000429A1 (de) | 2004-06-29 | 2006-01-05 | Saurer Gmbh & Co. Kg | Schmelzspinnvorrichtung und verfahren um anlegen mehrerer multifiler fäden in eine schmelzpinnvorrichtung |
US20070138686A1 (en) * | 2004-06-29 | 2007-06-21 | Saurer Gmbh & Co. Kg | Melt-spinning device and process for threading several multifilament yarns in a melt-spinning device |
DE102007014511A1 (de) * | 2007-03-27 | 2008-10-02 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zum Schmelzspinnen, Behandeln und Aufwickeln mehrerer multifiler Fäden |
Also Published As
Publication number | Publication date |
---|---|
CN110997992B (zh) | 2022-03-08 |
DE102017007431A1 (de) | 2019-02-07 |
JP2020528973A (ja) | 2020-10-01 |
JP7105869B2 (ja) | 2022-07-25 |
CN110997992A (zh) | 2020-04-10 |
DE112018003991A5 (de) | 2020-04-16 |
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