EP3211127B1 - Enrouleuse de bandes de ouate en rouleaux de ouate - Google Patents

Enrouleuse de bandes de ouate en rouleaux de ouate Download PDF

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Publication number
EP3211127B1
EP3211127B1 EP16205320.1A EP16205320A EP3211127B1 EP 3211127 B1 EP3211127 B1 EP 3211127B1 EP 16205320 A EP16205320 A EP 16205320A EP 3211127 B1 EP3211127 B1 EP 3211127B1
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EP
European Patent Office
Prior art keywords
belt
lap
belts
winding
deflections
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.)
Active
Application number
EP16205320.1A
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German (de)
English (en)
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EP3211127A1 (fr
Inventor
Heinrich Trützschler
Thomas Schmitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler GmbH and Co KG
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Truetzschler GmbH and Co KG
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Publication of EP3211127A1 publication Critical patent/EP3211127A1/fr
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Publication of EP3211127B1 publication Critical patent/EP3211127B1/fr
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/22—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction band
    • 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
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/177—Fibrous or compressible material

Definitions

  • the invention relates to a winding machine for winding fiber tapes made of wadding onto a tube.
  • Winding machines are known for the production of a lap roll, in which the lap roll is pressed against the winding rollers with a high force of up to 15,000 N during the winding process.
  • This high force is necessary in order to compress the wadding to such an extent that a winding length of 300 m can be wound up into a wadding roll with a diameter of around 550 mm.
  • the disadvantage is that the resulting high force pulls the lap lap into the gusset between the rigid winding rollers and is permanently deformed in the process.
  • the compressive force on the wad of cotton and the deformation cause the wad to heat up to 40 ° - 60 ° C and thus sticky substances in the cotton lead to the fiber layers sticking together, which leads to increased hairiness when unrolled.
  • a reduction in the winding force, depending on the fibers used, can lead to air being entrained during the winding process, which creates air bubbles between the fiber layers that lead to warping and make the lap unusable for the further combing process. This can essentially only be compensated by a lower winding speed, which reduces combing productivity.
  • the ribbon winding technology represents a further development of the classic winding process using winding rollers ( DE 19630923 A1 ), in which a winding belt is used instead of the two winding rollers.
  • the wrapping tape encloses the lap roll on its outer circumference at an angle of 155 ° to 270 °, depending on the embodiment.
  • the tensile force acting on the wrapping tape acts as a winding force that is distributed over the circumference of the wrap.
  • the deformation of the lap is reduced to a minimum by the wrapping tape, since the wrapping tape absorbs possible deformations. This has the disadvantage that, due to this load, the wrapping tapes have to be replaced after a few months in operation, which is very expensive.
  • the tape Since the length of the tape has to cover the circumference of a full lap and the opening to remove the lap, the tape is designed to be significantly longer than is required for the pure winding process. Therefore, guiding the tape and keeping the winding tape under constant tension is extremely complex in terms of design, which can only be compensated to a limited extent by the higher winding speed.
  • the CN 1161677 A discloses a winding device for packaging insulation material, which is wound around a mandrel between two horizontally arranged belts and laterally ejected again.
  • the WO 85/01278 describes a wrapping device for piece goods that are wrapped by a belt by means of film.
  • a winding device which winds fiber material made of fiberglass by means of three belts.
  • the winding tube and the fibers are fed in via a horizontal feed belt.
  • the object of the invention is to develop a winding machine for winding fiber ribbons from wadding, which has a high productivity, can be produced inexpensively and has a low maintenance requirement.
  • the invention includes the technical teaching that the wadding is guided to the sleeve by a first endless revolving belt, and that a second endless revolving belt guides the wadding around the sleeve.
  • a delay can be set due to different speeds, whereby the hardness of the roll can be adjusted.
  • each belt has a separate drive.
  • the delay can be in the range of a speed difference between the belts of 0.5 to 5%, preferably 2%.
  • each of the two belts wraps around the sleeve or the lap roll by 50 ° to 120 ° during the winding process. This ensures sufficient contact between the belts and the wadding, with which the entrained air is pressed out through the wadding.
  • the belts and the associated deflections are arranged symmetrically to the sleeve or to the lap roll. Each belt is guided around at least two deflections, the winding being formed in the area between the deflections.
  • At least one deflection is designed to be movable in such a way that a sleeve can be fed between the belts or the lap roll can be removed from the winding machine. Both deflections are preferably designed to be movable apart.
  • Each belt advantageously has a separate tensioning device with which the tension of each individual belt can be individually adjusted.
  • the wadding 2 is guided around the sleeve 4 by approx. 50 ° to 120 ° by the first belt 6 and is transferred to the second belt 7 through the adhesion to the sleeve 4 in the gusset between the deflections 10, 11.
  • This second belt 7 also guides the wadding around the sleeve 4 by approx. 50 ° to 120 ° until a new layer of wadding covers the first layer of wadding.
  • the sleeve 4 rotates with the lap roll 5 counterclockwise.
  • the belts 6, 7 are each guided around an upper deflection 8, 9 and a lower deflection 10, 11.
  • the belts 6, 7 are each guided and deflected around a tensioning device 12, 13 with which the belt tension is generated for the winding operation and for the subsequent functions (tube feeding and winding ejection).
  • This embodiment requires an approximately symmetrical arrangement of the belts 6, 7 and their deflection 8, 9, 10, 11.
  • a belt (6 or 7) can wrap a lap of cotton wool by approx. 50 ° to 180 °.
  • the belt 6, 7 can be driven via a driven deflection 10, 11 or 8, 9, the deflection 10, 11 being more suitable for reasons of the structural arrangement.
  • the belts 6, 7 can also be driven by the rollers of the tensioning device 12, 13, which thus assume several functions at the same time.
  • one or more nozzles can be provided in the gusset between or below the deflections 10, 11, which briefly press the beginning of the wadding 2 against the sleeve 4 with air until the beginning of the wadding 2 is carried along by the belt 7 becomes.
  • the lap roll 5 can at least partially rest on the deflections 10, 11, which can depend, among other things, on the distances between the deflections 8 and 10 or 9 and 11.
  • deflectors 10, 11 Resting on the deflectors 10, 11 can have the advantage that the tension and thus the load on the belts 6, 7 can be reduced, which extends their service life. This assumes that when the wadding roll is guided sideways through the side plates, these can move flexibly in height.
  • the device according to the invention has the advantage that the belt guide can be implemented more easily due to the shorter belt and the associated absolute belt elongation, since the belt tension can be compensated for over a shorter travel distance.
  • Another significant advantage over the one-belt solution according to the prior art is the setting of a delay between the two belts 6 and 7, via which the hardness of the lap 4 can be adjusted. It has been found that the open gap or gusset between the deflections 10 and 11 has no influence on the quality of the lap or any possible entrainment of air.
  • FIG 2 it is shown how the upper deflections 8, 9 were moved outwards in order to create space for the supply of a new sleeve 4.
  • the cotton roll 5 with the sleeve 4 from Figure 1 is shown in dash-dotted lines for comparison.
  • the new tube 4 can be thrown vertically from above into the gap between the belts 6, 7, or fed horizontally.
  • the sleeve 4 is laterally chambered and guided at its end faces by winding disks (not shown). After the new sleeve 4 has been fed in, the deflections 8 and 9 are accordingly returned to their starting position Figure 1 proceed.
  • the mobility of the rollers of the tensioning device 12, 13 is not shown for the sake of simplicity.
  • the wadding 3 is carried along by the belt 6 after the last pressure roller 3 d and fed to the sleeve 4. Due to the smaller diameter of the sleeve 4 compared to the finished lap roll 5, the wadding 2 is only guided over a circumference of approximately 70 ° around the sleeve 4, the circumference increasing to approximately 120 ° as the diameter of the lap roll 4 increases.
  • the sleeve 4 moves vertically upwards with the sleeve plates on the side.
  • the movable arrangement of the deflector 8, 9 can take place by means of horizontally arranged guides. But you can also downwards at an angle take place, this movement can also take place on a straight guide or by means of a swivel joint.
  • the finished lap 5 from the winding machine 1 is placed on a transport device 14.
  • the transport device 14 can be designed as a carriage or as a conveyor belt. Before that, however, the wadding between the pressure rollers 3c and 3d, or 3b and 3c, or between the pressure rollers 3a and 3b, is torn off, with a pressure roller 3a or 3b or 3c being stopped while the pressure roller 3b, 3c or 3d which is at the front in the transport direction continues to run.
  • At least one of the deflections 10 and 11 must move apart in order to create space for the lap 5 to pass through. Depending on the structural implementation, this moving apart could be sufficient to transfer the lap roll 5 down to a transport device 14. It can be useful to move the deflection rollers 8 and 9 apart so that when the lap roll 5 is moved down, it is not damaged by the belts 6, 7 on its outside. In this embodiment, both deflections 10, 11 move outwards and create space for the removal of the lap 5. In the case of an unsymmetrical arrangement of the belts and the deflections not according to the invention, it may be sufficient if only one of the deflections (10 or 11) can be moved outwards is.
  • the rollers of the tensioning devices 12, 13 can also be moved apart so that the belts 6, 7 are guided further in the lateral guides and the belts 6, 7 have a minimum voltage.
  • the deflections 10, 11 first move back to their original position Position to accordingly Figure 2 pick up and hold the empty case.
  • the tensioning devices 12, 13 re-establish the tension of the belts 6, 7 and the belts are set in motion to form a new roll.
  • the sleeve 4 rests on the deflections 10, 11, which can relieve the belt 6, 7 for the winding process.
  • the sleeve 4 can also adjust itself centrally between the deflections 8 and 10 or 9 and 11 and not rest on the deflections.
  • the side plates are preferably positioned in a stationary manner.
  • the winding machine according to the invention has the advantage that, through the use of two belts 6, 7, a delay can be built up in that the belts 6, 7 are operated at different speeds. In this way, the winding quality can be influenced by winding the wadding harder or softer depending on the fibers used.
  • the use of two separate belts 6, 7 results in a structurally simpler guidance and the build-up of the belt tension due to the absolutely lower elongation is easier and more precise to implement.
  • Another significant advantage is that an empty tube 4 is fed from one side between the belts 6, 7 (here in the exemplary embodiment above) and the finished lap 5 is removed from the other side between the belts 6, 7 (here in the exemplary embodiment from below) can. The idle time for the change can thus be significantly reduced.
  • the invention also provides a control for the belt tension, which can preferably take place as a function of the wound and measured lap length or lap length, the lap quality, the elastic behavior of the lap 5, for example due to the moisture of the lap, in the control With can be taken into account.
  • the current diameter of the lap roll 5 is interpolated via the winding length and the aforementioned parameters, so that the tensioning device 12, 13 releases or tightens the belts 6, 7 via the control so that the lap roll 5 is wrapped around both of them with the largest possible angle of wrap Belt 6, 7 is wound.
  • a lateral belt guide can preferably be integrated into the deflections 8-11.
  • a lateral belt guide can also be arranged between the deflections 8-11 within the winding machine.
  • the belts 6, 7 can preferably be designed as flat belts.
  • the flat belts can have many small holes with a diameter of 0.5 mm to 5 mm in order to discharge the air entrained in the wadding 2, that is to say have a perforation.
  • the belts 6, 7 can have a multilayer structure, an inner layer being designed in such a way that it has high strength and low elongation.
  • an outer layer which comes into contact with the wadding 2 should preferably have an acceptable friction without the wadding tending to stick to this layer.
  • the belt 17 can have at least one wedge shape, preferably several wedge shapes, on its rear side, which engage in corresponding grooves in the deflections 8-11 and in the tensioning device 12, 13.
  • the wedges arranged on the back of the belt ensure that the belt guide is integrated into the revolving rollers 8-13.
  • each belt 6, 7 can be designed as belt strips spaced apart from one another. In this way, on the one hand, the air carried along by the wadding can also be discharged.
  • each belt strip can vary in terms of its tension in a predetermined range, whereby the winding quality can be adapted over the winding width.
  • broad belt strips are preferably used at the edge of the lap 5, which can become narrower towards the center of the lap 5.
  • These belt strips can each have at least one wedge on their rear side which engages in a corresponding groove in the deflections 8-11 or the tensioning device 12-13. This also ensures that the belt is guided on the side.
  • the arrangement of the winding machine 1 according to the Figures 1 to 3 shows a vertical arrangement in which the tube is fed in from above or from the side and the finished lap is transferred to a transport device 14 at the bottom.
  • the course of the belts 6, 7 also takes place in a vertical orientation.
  • a horizontal arrangement of the winding machine is also conceivable, in which the device according to the Figures 1 to 3 is pivoted by 90 °, so that the cotton wool is guided approximately horizontally from the pressure roller 3 d over the belt 6 to the sleeve 4.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (8)

  1. Enrouleuse pour enrouler des rubans de fibres de nappe (2) sur un mandrin (4) pour en faire un rouleau de nappe (5), dans laquelle 24 à 36 rubans de fibres sont guidés dans l'enrouleuse et doublés en nappe (2), la nappe (2) étant étirée au moyen de cylindres presseurs (3a à 3d) et une première courroie sans fin circulante (6) la guidant vers le mandrin (4), une deuxième courroie sans fin circulante (7) guidant la nappe (2) autour du mandrin (4), et chaque courroie (6, 7) étant guidée autour d'au moins trois renvois (8, 10, 12 ; 9, 11, 13),
    caractérisée en ce que les courroies (6, 7) et les renvois associés (8, 10, 12 ; 9, 11, 13) sont agencés symétriquement au mandrin ou au rouleau de nappe, au moins un renvoi supérieur (8 et/ou 9) de l'une ou des deux courroies (6, 7) étant aménagé à pouvoir être déplaçable en s'éloignant de sorte qu'un mandrin (4) peut être amené entre les courroies (6, 7),
    le rouleau de nappe (5) étant formé dans la région entre les renvois supérieurs (8, 9) et les renvois inférieurs (10, 11) des courroies (6, 7), et en ce que le rouleau de nappe (5), lors de l'enroulement, repose sur les renvois inférieurs (10, 11) des courroies (6, 7), et en ce que les renvois inférieurs (10, 11) sont aménagés à être déplaçables en s'éloignant de sorte qu'un rouleau de nappe (5) est déchargeable entre les courroies (6, 7).
  2. Enrouleuse selon la revendication 1, caractérisée en ce que chaque courroie (6, 7) enlace le mandrin (4) ou le rouleau de nappe (5) pendant le processus d'enroulement de 50° à 120°, ou en ce qu'au moins une courroie (6 ou 7) enlace le mandrin (4) ou le rouleau de nappe (4) de 50° à 180°.
  3. Enrouleuse selon l'une des revendications précédentes, caractérisée en ce que chaque courroie (6, 7) possède un dispositif de tension séparé (12, 13).
  4. Enrouleuse selon l'une des revendications mentionnées ci-avant, caractérisée en ce que chaque courroie (6, 7) possède un dispositif d'entraînement séparé.
  5. Enrouleuse selon l'une des revendications mentionnées ci-avant, caractérisée en ce qu'un dispositif pour le guidage latéral des courroies (6, 7) est agencé sur ou entre les renvois (8, 9, 10, 11).
  6. Enrouleuse selon l'une des revendications précédentes, caractérisée en ce que les courroies (6, 7) forment un gousset ouvert dans la région de renvoi (10, 11).
  7. Enrouleuse selon la revendication 6, caractérisée en ce qu'est agencée au moins une buse en-dessous du gousset pour générer un flux d'air.
  8. Enrouleuse selon l'une des revendications mentionnées ci-avant, caractérisée en ce qu'une commande contrôle la tension de courroie en fonction de la longueur de nappe enroulée.
EP16205320.1A 2016-02-24 2016-12-20 Enrouleuse de bandes de ouate en rouleaux de ouate Active EP3211127B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016103236.0A DE102016103236A1 (de) 2016-02-24 2016-02-24 Wickelmaschine zum Aufwickeln von Wattebänder zu Wattewickeln

Publications (2)

Publication Number Publication Date
EP3211127A1 EP3211127A1 (fr) 2017-08-30
EP3211127B1 true EP3211127B1 (fr) 2021-07-07

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EP16205320.1A Active EP3211127B1 (fr) 2016-02-24 2016-12-20 Enrouleuse de bandes de ouate en rouleaux de ouate

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EP (1) EP3211127B1 (fr)
CN (1) CN107119352B (fr)
DE (1) DE102016103236A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107699993A (zh) * 2017-10-24 2018-02-16 青岛金汇丰机械有限公司 新型毛纺导棉器及梳棉机
DE102019103498A1 (de) * 2019-02-12 2020-08-13 Saint-Gobain Isover G+H Ag Verfahren und Vorrichtung zum Herstellen einer Rohrschale aus einem isolierenden Material
CN110054041A (zh) * 2019-04-01 2019-07-26 佛山市宾宏设备有限公司 一种稳定型双传动系统
CN111792415B (zh) * 2020-07-08 2021-10-19 河北恒星检测设备科技有限公司 收卷和剥离机构及纤维牵伸器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2475484A1 (fr) * 2003-09-03 2005-03-03 Ottawa Fibre Inc. Presse a balles et methode

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US2057191A (en) * 1931-08-27 1936-10-13 Kenneth W Huffine Roll forming device
CH663602A5 (de) * 1983-09-15 1987-12-31 Peter Balzer Verfahren zum wickeln von erzeugnissen aus flexiblem material und wickelvorrichtung zur ausfuehrung des verfahrens.
GB8606338D0 (en) * 1986-03-14 1986-04-23 Campbell M D Rolling apparatus
CN1161677A (zh) * 1994-09-21 1997-10-08 欧文斯科尔宁格公司 包装可压缩的绝缘材料的方法和装置
DE19630923A1 (de) * 1996-07-31 1998-02-05 Rieter Ag Maschf Wickelvorrichtung
WO2006032154A1 (fr) * 2004-09-21 2006-03-30 Strahm Textile Systems Ag Dispositif d'enroulement sans interruption d'une bande textile acheminee en continu

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2475484A1 (fr) * 2003-09-03 2005-03-03 Ottawa Fibre Inc. Presse a balles et methode

Also Published As

Publication number Publication date
CN107119352B (zh) 2020-03-20
EP3211127A1 (fr) 2017-08-30
CN107119352A (zh) 2017-09-01
DE102016103236A1 (de) 2017-08-24

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