WO2023083870A1 - Fadenleiteinrichtung für eine spulvorrichtung - Google Patents
Fadenleiteinrichtung für eine spulvorrichtung Download PDFInfo
- Publication number
- WO2023083870A1 WO2023083870A1 PCT/EP2022/081280 EP2022081280W WO2023083870A1 WO 2023083870 A1 WO2023083870 A1 WO 2023083870A1 EP 2022081280 W EP2022081280 W EP 2022081280W WO 2023083870 A1 WO2023083870 A1 WO 2023083870A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thread
- thread guide
- guide device
- traversing
- cross
- Prior art date
Links
- 238000004804 winding Methods 0.000 title claims abstract description 38
- 239000004753 textile Substances 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 235000013351 cheese Nutrition 0.000 description 24
- 238000000034 method Methods 0.000 description 13
- 238000009987 spinning Methods 0.000 description 11
- 240000002129 Malva sylvestris Species 0.000 description 7
- 235000006770 Malva sylvestris Nutrition 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000007383 open-end spinning Methods 0.000 description 3
- 238000010042 air jet spinning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007378 ring spinning Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004018 waxing Methods 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
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/02—Stationary rods or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2827—Traversing devices with a pivotally mounted guide arm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- 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 thread guide device for the winding device of a work station of a textile machine producing cross-wound bobbins, the winding device having a bobbin drive roller for rotating a cross-wound bobbin and a thread traversing device for traversing a thread running onto the surface of the cross-wound bobbin.
- Thread traversing devices have long been known and described in the patent literature in various embodiments in connection with winding devices for textile machines producing cross-wound bobbins, for example rotor spinning machines or automatic cross-winding machines.
- a thread running onto the surface of a rotationally driven cross-wound bobbin is usually traversed, with a thread traversing triangle being formed.
- thread traversing triangles if no appropriate countermeasures are taken, constant thread length differences of the incoming thread occur during the winding process, which often have a very negative effect on the cross-wound bobbins to be created.
- DE 42 23 835 A1 and/or DE 43 30 647 A1 show and describe winding devices whose thread traversing devices are each formed by a circulating endless belt that is equipped with thread drivers and can be driven by a single motor.
- the yarn carriers traverse the incoming yarn between two yarn transfer points arranged at the ends of the traversing area.
- a thread guide device is installed in front of the thread traversing devices, which extends over the length of the traversing area and, for example, through a stationary arranged sheet metal element is formed, which has a convex running, rounded thread guide edge.
- a comparable winding device which differs somewhat in details from the winding devices described above, is known from DE 100 51 997 A1.
- a thread guide is used as the thread traversing device, which thread guide is fastened to a toothed belt that can be driven alternately.
- a thread guide device is installed, which in the present case is designed as a convexly curved round rod.
- DE 10 2007 018 660 A1 discloses a winding device in which a finger thread guide that can be driven by a single motor is used as the thread traversing device.
- a thread guide device is installed in front of the finger thread guide, which is formed by a sheet metal element that has a convexly curved thread sliding surface. The thread sliding surface of the thread guiding device runs in a straight line in the direction of the incoming thread.
- the thread guide devices described above were able to reduce the thread length differences occurring in the production of cross-wound bobbins with an accumulating thread in the area of the thread traversing triangle, but the known thread guide devices are not yet mature and can definitely be improved.
- the object of the invention is to develop a thread guide device which prevents thread length differences occurring in the area of the thread traversing triangles when the thread is being wound.
- this object is achieved by a thread guide device which has a spherical thread sliding surface.
- the yarn guide device has the particular advantage that during the Winding process equalizes the thread lengths given between a thread guide point and a cheese or the thread lengths given in the thread traversing triangle. That is, the thread length that is given between the thread guide contours of the thread guide of a thread traversing device and the thread guide point when the thread guide is positioned in the middle, and the thread length that occurs between the thread guide contours of a thread guide and the thread guide point when the thread guide is in one of its two End positions is almost the same, with the result that the emergence of yarn tension peaks is largely avoided during the winding process.
- the exact shape of the spherical thread sliding surface of the thread guide device is independent of the width of the cross-wound bobbins to be produced. This means that although the changes in thread length to be compensated for in a thread traversing triangle during the winding process depend on the width of the cheese to be produced, it is not necessary to use a thread guide device for wide cheeses that has a relatively clearly shaped spherical thread sliding surface, and when producing narrower cheeses it is not necessary to use corresponding thread guide devices to be used in which the spherical thread sliding surface is less strongly formed. However, it can be advantageous to use a geometry variation of the spherical configuration depending on the yarn count, yarn properties and/or material combination of the yarn to be processed.
- the thread guide devices are each arranged directly in front of the thread traversing devices. In this way, it is reliably prevented that the thread drawn off from the spinning cop and running onto the surface of the cross-wound bobbin during the winding process accidentally escapes from the fork-like construction, for example Thread guide contours of the thread guide can jump out.
- the thread drawn off from the spinning cop and running onto the surface of the cheese forms a thread traversing triangle during the winding operation above the last thread guide point of the work station, initiated by the thread traversing device.
- the last thread guiding point can be the thread tension sensor. It is also conceivable within the scope of the invention that the last thread guiding point is formed by an eyelet or the like.
- the thread traversing triangle has three corner points, with a first corner point being in the area of the thread guide point and the other two corner points being specified by the thread guide contours of a thread guide which can be driven by a single motor and is positioned in one of its end positions. This means that the yarn unwound from the spinning cop, after passing through the yarn guide point, is alternately shifted to corner points by the yarn guide contours of the yarn guide, whereby the spherically designed yarn sliding surface of the yarn guide device prevents changes in yarn length at all positions of the yarn guide of the incoming yarn.
- the thread guide device is made of stainless steel.
- Such a stainless steel construction is not only very resistant to corrosion, but also relatively resistant to abrasion. This means that such thread guide devices made of stainless steel and equipped with a spherical thread sliding surface are characterized by a long service life. It is also conceivable that the yarn guide device is made from a different material. It is essential to the invention that the yarn guide device has good sliding properties and good resistance to abrasion and chemicals.
- the yarn guide devices are each fastened in an exchangeable manner to a workstation housing of a workstation.
- the thread guide device can be dismantled quickly and easily if necessary and replaced, for example, by a thread guide device that has a thread sliding surface that is more spherically shaped.
- the work station is a winding station of an automatic cheese winder or a spinning station of a spinning machine.
- the thread guide device has mounting devices in/on which thread guide pins can be fastened, which reliably prevent the thread running up from being able to slip off the spherically designed thread sliding surface of the thread guide device during the winding process.
- the mounting devices allow not only a problem-free, exact setting of the distance between the thread guide pins, but also a correction of this distance at any time if necessary.
- FIG. 1 is a highly schematic side view of a work station of an automatic cheese winder with a winding device that has a thread guide device designed according to the invention
- FIG 3 shows a first advantageous embodiment of a thread guide device with a spherical thread sliding surface.
- Figure 1 shows a schematic side view of a work station 2 of an automatic cheese winder 1.
- spinning cops 3 which were produced on the spinning stations of ring spinning machines upstream in the production process and which have relatively little yarn material, are rewound into large-volume cheeses 5, which after their completion transferred by means of a service unit (not shown) to a machine-long cross-wound bobbin transport device 7 and transported by this to a bobbin loading station or the like arranged at the end of the machine.
- such automatic cheese winders 1 In order to supply the work stations 2 with fresh spinning cops 3 or to dispose of the empty tubes 17 unwound on the work stations 2, such automatic cheese winders 1 often have a tube and bobbin transport system 6, in which transport plates 11, so-called peg trays, circulate. which are equipped with spinning cops 3 or with empty tubes 17.
- a tube and bobbin transport system 6 Only the cop feed line 24, the reversingly drivable storage line 25, the transverse transport line 26 leading to the work stations 2 and each equipped with an unwinding position AS, and the tube return line 27 are shown in FIG.
- the work stations 2 of such automatic cheese winders 1 are also equipped with various handling and sensor devices which enable smooth operation of the work stations 2, in particular the production of proper cheeses 5, during the winding process.
- One of these handling devices of the workstations 2 is, for example, the winding device identified by the reference numeral 4, which has a bobbin frame 8 mounted so as to be movable about a pivot axis 12 for freely rotatably holding a cross-wound bobbin 5.
- the cross-wound bobbin 5 rests with its surface on a bobbin drive roller 9 and is carried along by it via frictional engagement.
- the bobbin drive roller 9 is connected, for example, to an individual electric motor drive 22 which is connected to a workstation computer 28 via a control line 18 .
- a thread traversing device 10 is provided for traversing the thread 16 drawn off from a spinning cop 3 and running onto the cross-wound bobbin 5 during the winding process.
- the thread traversing device 10 is equipped with a thread guide 13, in this exemplary embodiment preferably a finger thread guide, which is acted upon by an individual drive 14, which in turn is connected to the workstation computer 28 via a control line 15.
- a thread guide device 23 designed according to the invention is arranged directly in front of the thread guide 13 of the thread traversing device 10, which will be explained in more detail below with reference to FIGS.
- Each of the work stations 2 of such an automatic cheese winder 1 also has a suction nozzle 19, which can be subjected to negative pressure and is pivotally mounted, for handling the so-called upper thread, a gripper tube 20, which can also be subjected to negative pressure and is pivotally mounted, for handling the lower thread, and a pneumatic Thread splicing device 21, by means of which, if necessary, for example after a thread breakage, the thread ends of the upper and lower threads can be connected again, almost with the same yarn.
- the workstations 2 of such automatic cheese winders 1 are usually also equipped with other devices, for example a lower thread sensor 29, a thread tensioner 30, an electronic thread cleaner 31, a thread cutting device 32, a paraffining device 33 and a thread tension sensor 34. These devices are also connected to the workstation computer 28 via control and signal lines.
- the quality of the running thread 16 is constantly monitored by the electronic thread cleaner 31 during the rewinding process. This means that the thread clearer 31 continuously checks the thread 16 passing through it and thereby detects serious thread faults, such as thread breaks, double threads and thin or thick spots.
- the running yarn 16 is generally also scanned by a yarn tension sensor 34 which is arranged in the yarn travel path in front of the yarn traversing device 10 .
- FIG. 2 shows a partially perspective front view of the winding device 4 of a workstation 2 of an automatic cheese winder 1.
- the winding device 4 has, among other things, a bobbin drive roller 9 for rotating a cheese 5 and a thread traversing device 10.
- the thread traversing device 10 has a thread guide 13 which can be traversed by means of a single drive 14 .
- a thread guide device 23 which, according to the invention, has a spherical thread sliding surface 35 .
- the thread guide device 23 is preferably made of stainless steel and/or coated and is correspondingly corrosion-resistant and relatively abrasion-resistant.
- the thread guide device 23 is also equipped with thread guide pins 41, which represent limitations for the thread 16 that is running up.
- the accruing thread 16 traversed by the thread guide 13 forms a thread traversing triangle 36 during the winding process, which has the corner points A, B and C.
- the corner point A is on the output side of the thread guide 42 of a thread guide point 34 which is arranged in the thread path in front of the thread guide device 23 and which is in this Embodiment is formed by the yarn tension sensor.
- the corner points B and C are specified by the thread guide contours 37 and 38 of the thread guide 13 positioned in one of its definable end positions.
- Rotor or air-jet spinning machines on which cross-wound bobbins 5 are also produced, also have work stations 2 with such winding devices 4 .
- FIG. 3 shows an advantageous exemplary embodiment of a yarn guide device 23 according to the invention in detail.
- Thread guide devices 23 of this type can be fixed interchangeably on the work station housing 39 of a work station 2, for example via screw connections that pass through lateral projections 43.
- Such yarn guide devices 23 can consequently be removed and replaced quickly and easily if required.
- the thread guide devices 23 also have mounting devices 40 for attaching thread guide pins 41, the mounting devices 40 being designed in such a way that the clear width W of the thread guide pins 41 can be adjusted as required, with the distance W of the thread guide pins 41 also being able to be corrected at any time. This means that during the winding process, the thread guide pins 41 reliably prevent the thread 16 running onto the cross-wound bobbin 5 from being able to slide off the spherical thread sliding surface 35 of the thread guide device 23 .
- Spooling device 28 work station calculator
- Control line 39 work station housing
- Control line 42 thread guide to 34
Landscapes
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
- Winding Filamentary Materials (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2024005535A MX2024005535A (es) | 2021-11-10 | 2022-11-09 | Dispositivo de guia de hilo para un aparato enrollador. |
CN202280074580.1A CN118215632A (zh) | 2021-11-10 | 2022-11-09 | 用于卷绕设备的导纱装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021129226.3 | 2021-11-10 | ||
DE102021129226.3A DE102021129226A1 (de) | 2021-11-10 | 2021-11-10 | Fadenleiteinrichtung für eine Spulvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023083870A1 true WO2023083870A1 (de) | 2023-05-19 |
Family
ID=84331421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/081280 WO2023083870A1 (de) | 2021-11-10 | 2022-11-09 | Fadenleiteinrichtung für eine spulvorrichtung |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN118215632A (de) |
DE (1) | DE102021129226A1 (de) |
MX (1) | MX2024005535A (de) |
WO (1) | WO2023083870A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4223835A1 (de) | 1992-07-20 | 1994-01-27 | Schlafhorst & Co W | Traversiereinrichtung für eine Kreuzspulen herstellende Maschine |
DE4330647A1 (de) | 1993-09-10 | 1995-03-16 | Schlafhorst & Co W | Spulvorrichtung |
DE10051997A1 (de) | 2000-02-25 | 2001-08-30 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Wickeln von rotatorisch angetriebenen Kreuzspulen |
DE102007018660A1 (de) | 2007-04-20 | 2008-10-23 | Oerlikon Textile Gmbh & Co. Kg | Spulvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
EP2479129A2 (de) * | 2011-01-25 | 2012-07-25 | Murata Machinery, Ltd. | Garnwicklungsmaschine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111056381A (zh) | 2020-01-21 | 2020-04-24 | 青岛宏大纺织机械有限责任公司 | 一种自动络筒机导纱装置及导纱方法 |
-
2021
- 2021-11-10 DE DE102021129226.3A patent/DE102021129226A1/de active Pending
-
2022
- 2022-11-09 WO PCT/EP2022/081280 patent/WO2023083870A1/de active Application Filing
- 2022-11-09 MX MX2024005535A patent/MX2024005535A/es unknown
- 2022-11-09 CN CN202280074580.1A patent/CN118215632A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4223835A1 (de) | 1992-07-20 | 1994-01-27 | Schlafhorst & Co W | Traversiereinrichtung für eine Kreuzspulen herstellende Maschine |
DE4330647A1 (de) | 1993-09-10 | 1995-03-16 | Schlafhorst & Co W | Spulvorrichtung |
DE10051997A1 (de) | 2000-02-25 | 2001-08-30 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Wickeln von rotatorisch angetriebenen Kreuzspulen |
DE102007018660A1 (de) | 2007-04-20 | 2008-10-23 | Oerlikon Textile Gmbh & Co. Kg | Spulvorrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
EP2479129A2 (de) * | 2011-01-25 | 2012-07-25 | Murata Machinery, Ltd. | Garnwicklungsmaschine |
Also Published As
Publication number | Publication date |
---|---|
CN118215632A (zh) | 2024-06-18 |
MX2024005535A (es) | 2024-05-21 |
DE102021129226A1 (de) | 2023-05-11 |
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