EP3385207B1 - Broche pour une bobineuse - Google Patents

Broche pour une bobineuse Download PDF

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Publication number
EP3385207B1
EP3385207B1 EP18157599.4A EP18157599A EP3385207B1 EP 3385207 B1 EP3385207 B1 EP 3385207B1 EP 18157599 A EP18157599 A EP 18157599A EP 3385207 B1 EP3385207 B1 EP 3385207B1
Authority
EP
European Patent Office
Prior art keywords
spindle
ring
clamping
sleeve
collar
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
EP18157599.4A
Other languages
German (de)
English (en)
Other versions
EP3385207A1 (fr
Inventor
Pascal Flückiger
Matthias Meier
Michael Rapold
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
Original Assignee
Truetzschler GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP3385207A1 publication Critical patent/EP3385207A1/fr
Application granted granted Critical
Publication of EP3385207B1 publication Critical patent/EP3385207B1/fr
Active legal-status Critical Current
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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
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/245—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material
    • B65H75/2455—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material deformation resulting from axial compression of elastic or flexible material
    • 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
    • B65H54/40—Arrangements for rotating packages
    • B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B65H54/543—Securing cores or holders to supporting or driving members, e.g. collapsible mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B65H2701/313—Synthetic polymer threads
    • B65H2701/3132—Synthetic polymer threads extruded from spinnerets

Definitions

  • the invention relates to a spindle for a winder for winding one or more threads to a respective coil on at least one winding tube, wherein each winding tube by at least one clamping ring on a rotating sleeve is clamped fastened.
  • spindles are used in winders or winding machines, which are wound with spun synthetic threads.
  • one or more sleeves are attached one behind the other on the projecting spindle on the winders.
  • the spindle has a clamping device, in which a cone or a spring system generates the necessary clamping force on the sleeves. The force on the cone requires a complicated mechanical arrangement within the spindle, which leaves little space for the storage of the spindle.
  • An alternative tensioning device provides spacers and catch rings made of plastic, which must be pushed back to their original position when loosening the sleeves. This is done by the elastic restoring forces of the clamping ring or by the use of O-rings, which compress the clamping ring. Since plastic parts begin to creep under load and time and thus deform plastically, the elastic restoring forces are smaller, making the sleeves are difficult to solve. This also increases the outer diameter of the clamping elements, whereby the postponement of new sleeves is difficult.
  • the EP 2398727 B1 discloses a winding device for winding one or more threads, in which the sleeves are clamped by means of radially adjustable pins.
  • the pins are moved via a slider along an inclined plane, which at the same time a radial displacement is connected.
  • the construction of the clamping device is very complex and expensive and has the disadvantage that the pins perform a small axial movement during extension, which overlaps with the clamping action and damage the sleeves locally due to the frictional force.
  • the EP 0850867 A2 discloses a clamping device for a winder according to the Oberbregriff of claim 1, wherein the driver 40 holds two L-shaped spacers 38 at a distance.
  • the fan-shaped clamping ring is only on one end face of the winding tube.
  • JP 6-32450 holds a slotted driver ring two spacers at a distance.
  • the JP 5-81163 discloses a clamping ring with two outwardly projecting collar.
  • the object is solved with the features of claims 1; the dependent claims describe advantageous embodiments of the invention.
  • the object is achieved by a spindle for a winder for winding one or more threads to a respective coil on at least one winding tube, each winding tube by at least one clamping ring on a rotating sleeve is clamped fastened, wherein the actuation of the at least one Clamping ring is effected by means which are arranged within the sleeve, wherein the means on the outer circumference of the spindle along the spindle axis act on the at least one clamping ring.
  • the invention is characterized in that the at least one clamping ring is arranged on a driving ring, which connects a spacer sleeve with a spacer ring.
  • the arrangement of the clamping ring on a driving ring which connects a spacer sleeve with a spacer ring allows a series connection with which the clamping force on the outer diameter of the spindle along its longitudinal axis can be passed from one to the next winding tube.
  • the driving ring ensures that the clamping ring can not be compressed excessively and an almost uniform clamping force is exerted on all clamping rings, so that all the winding tubes are held with the same friction on the spindle.
  • the at least one clamping ring has a circumferential collar with individual sections on both end faces results in a slight deformability of the clamping rings.
  • Each section is designed to be in operative connection with the winding tube by clamping.
  • the sections can thus independently exert a different clamping force on the winding tube. Unevenness and tolerances can thus be compensated.
  • the sections are formed by mutual cuts.
  • the incisions extend from a collar orthogonally through the periphery or surface almost to the opposite collar, leaving only a small web.
  • opposite sections of the collar are pressed outward and thus clamp the winding tube.
  • Each section of a collar can thus create individually to the inner diameter of the winding tube, even if it is not exactly round.
  • each collar has a slope or ramp, which corresponds to a slope or ramp, which are arranged on the end faces of the spacer sleeve or spacers, a compressive force on the outer circumference of the spindle in the longitudinal direction causes an expansion of the clamping rings.
  • the at least one clamping ring has at least one securing ring on its outer circumference.
  • the driving ring on each end face on a collar which engages in a recess of the spacer sleeve or the spacer ring.
  • the driving ring thus connects the Distance sleeve with the spacer ring and prevents simultaneous overloading of the clamping rings.
  • each collar of the driving ring is divided by means of cuts in individual separate sections.
  • the means are designed as at least one spring, which can apply a pressure force on the at least one clamping ring by means of a lid.
  • a pneumatic or hydraulic piston chamber is arranged, which relaxes the pressure relief at least one spring acting on the outer circumference of the spindle.
  • the modified bearing which is arranged within a rigid axis in the longitudinal center of the spindle, reduces the bending moments on the spindle, since the left and right of the storage takes place in each case the same load through cores.
  • the at least one spring acts as a force accumulator, which compresses the clamping rings parallel to the spindle axis.
  • the spindle can be made more massive, since the force curve does not run through the spindle shell at interruptions, but in the longitudinal direction of the spindle axis on the outer circumference or outer jacket.
  • the material used for the clamping elements is polyamide or other engineering plastics, which may consist of PA6 or PA6.6 and have a much greater wear resistance and heat resistance than rubber.
  • the use of a spring steel is possible.
  • FIG. 1 is one of two spindles of a winder for continuous stripping and winding of multiple filaments produced by a spin-draw process.
  • the spindles are arranged on a rotatable turret, not shown, which moves the spindles from a waiting position to an operating position.
  • Each of the spindles has its own drive, which can be coupled to the drive and a positioning device of the revolver. In the operating position are usually two to four cores 19 on the spindle 1, which are held by clamping and on which the threads or filaments are wound into coils 8.
  • the spindles 1 are moved from the operating to the waiting position, the thread separated and wound on the new winding tube.
  • the finished coils 8 are removed from the spindle 1, in which the clamping elements, with which the winding tubes 19 are clamped on the spindle 1, are relaxed.
  • the spindles 1 are mounted on one side. Because the cantilevered part of the spindles is between 300 can project up to 1800 mm from the turret and simultaneously act with the winding forces at high speeds of up to 16,000 rev / min an enormous one-sided load on the spindles, they must be stored very stiff and precise.
  • the spindle 1 a rigid and fixed axis 2, which is fastened by means of a flange 3 to a rotatable turret, not shown, of the winder.
  • a drive shaft 4 is arranged, which is mounted next to the flange 3 outside of the winding area within the turret by means of a first drive bearing 5.
  • a second bearing 7 is disposed at the opposite end within the rigid and fixed axis 2 in the winding area. In this case, the bearing 7 is arranged as far away from the flange 3 in the rigid axis 2, that is substantially in the longitudinal center of the spindle 1, to produce the lowest possible resonance at high speeds of up to 16,000 rpm.
  • Both bearings 5, 7 take a disposed within the axis 2 drive shaft 4, which has been extended by means of a bearing shaft 6.
  • the longitudinal division of the inner driven shaft in a drive shaft 4 and a bearing shaft 6 allows on the one hand an axial fixation of the bearing 7, which can be supported in the transition region of the drive shaft 4 on the bearing shaft 6 on each of a left and right shoulder.
  • the longitudinal division allows a simple and precise pre-assembly of the very long bearing 7 with the bearing shaft 6 outside the spindle 1.
  • the drive shaft 4 and the bearing shaft 6 are connected by a not shown sealed coupling piece with screws.
  • the bearing 7 preferably has a length which essentially corresponds to the length of a winding tube 19.
  • a sleeve 14 is inserted, which is designed as a so-called double sleeve and along its longitudinal axis to the opposite end faces each having a sleeve portion 14a and 14c, each forming a cavity 14b and 14d.
  • the sleeve portion 14a with the cavity 14b thereby almost completely overhangs the rigid axle 2 up to the flange 3 and covers it as far as possible.
  • the assembly of the sleeve 14 via a fastening 9, with which the sleeve 14 is screwed to the bearing shaft 6.
  • the second sleeve portion 14 c with the cavity 14 d is arranged in the opposite direction to the free end of the spindle 1 and takes a spring assembly 10 with a plate 11.
  • the spring assembly 10 is biased between the plate 11 and a spring seat 17 by means of a fastening 16.
  • the spring support 17 is supported within the sleeve portion 14b at an unspecified paragraph.
  • the cavity 14d of the sleeve portion 14c is closed by a cover 12 with a collar 13 which surrounds the sleeve portion 14b from the outside. Due to the tension of the spring assembly 10, which is supported on the spring support 17, the plate 11 is pressed in the longitudinal direction of the flange 3 in the sleeve portion 14 b. At the same time, the lid 12 is pressed with the collar 13 on the sleeve portion 14b, whereby the cavity 14d is almost closed.
  • FIGS. 2 to 3 are on the outer circumference of the sleeve 14 for each winding tube 19, a spacer sleeve 18 and a respective arranged on both sides spacer ring 23 is pushed.
  • each spacer ring 23 is arranged, which sits with its inner diameter with a small gap on a driver ring 21.
  • the spacer ring 23 bridges the gap between two winding sleeves 19, so that the axial force along the spindle surface is continuously passed from one to the next clamping ring 20 on.
  • each spacer ring 23 on its circumference Has recesses, which are shown in the sectional view of the upper view as a gap. In fact, the spacer ring 23 extends over the edge region of two adjacent winding tubes 19.
  • the winding tube 19 can thus be held by two clamping rings 20 on the sleeve 14.
  • the driver ring 21 has at each end edge an outer diameter enlarging collar 21 a, which corresponds to circumferential recesses 18 a, 23 a of the spacer sleeve 18 and the spacer rings 23.
  • Each collar 21a engages in the recesses 18a, 23a of the spacer sleeve 18 and the spacers 23 so that they can not escape laterally under the winding tube 19 along the axial length of the sleeve 14.
  • the clamping ring 20 is seated with its inner diameter with a gap on the driver ring 21 and also has on each end face a circumferential collar 20a, which increases the outer diameter.
  • the inner diameter of the clamping ring 20 is larger than the outer diameter of the driving ring 21, so that both do not touch.
  • the circumferential collar 20a has an inner diameter inclined towards slope or ramp, which with a slope or ramp, which is arranged on the end faces of the spacer sleeve 18 and the spacer ring 23, corresponds.
  • Each clamping ring 20 has alternating cuts 20b, 20c which extend from a collar 20a orthogonally through the periphery almost to the opposite collar 20a and thereby form portions 20a 1 , 20a 2 .
  • a portion 20a2 of a collar 20a is formed and bounded by two incisions 20c, which extend almost to the portion 20a 1 .
  • the sections 20a 1 , 20a 2 are pressed simultaneously against the winding tube 19 during a pressure load by the spacer sleeve 18, so that it is securely fixed even at high speeds.
  • Each partially opposing sections of the collar 20a 1, 20a 2 are pressed outwards and thus clamp the winding core 19.
  • Each section 20a 1, 20a 20a 2 of a collar to thereby create with its surface individually to the inner diameter of the winding sleeve, even if not is exactly round.
  • the clamping ring 20 has at least one recess 20d, which can receive a locking ring 22 in a form-fitting manner, in order to avoid excessive deformation of the clamping rings 20, for example in spindle rotations without a winding sleeve.
  • two recesses 20 d are mounted on the circumference of the clamping ring 20.
  • the driving ring 21 is smaller in inner diameter than the outer diameter of the sleeve 14. When pushed onto the sleeve 14 is the driving ring 21 is stretched, whereby it rests without play on the sleeve 14 and thus is easily clamped on the sleeve. In order to ensure sufficient elasticity of the driving ring 21, this also has changing cuts 21b, 21c, extending from a collar 21a orthogonal by the circumference almost to the opposite collar 21a and thereby form sections 21a 1 , 21a 2 . For example, a portion 21a 2 of a collar 21a is formed and bounded by two notches 21c, which extend almost to the portion 21a 1 . In order to reinforce the elastic behavior of the collar 21a 1 , 21a 2 , a bore is arranged at the end of each cut 21b, 21c into which the notch 21b, 21c enters and ends. This prevents cracks and material breaks.
  • the cavity 14d pressure (pneumatic or hydraulic pressure) is applied, whereby the spring assembly 10 is compressed.
  • the cover 12 with the collar 13 is operatively connected to the first spacer ring 23, in which they are integrally formed, or by means not shown connecting element or connecting ring.
  • the cover 12 moves away from the spindle with the collar 13, thereby pulling apart the spacer sleeves 18 and spacer rings 23, so that the pressure on the clamping rings 20 is reduced and these relax.
  • three cores 19 can be postponed according to this embodiment, which are positioned by a stop, for example in the form of a rocker arm on the spindle 1.
  • the cavity 14d is depressurized, whereby the spring assembly 10 is relaxed. It thus presses the collar 12 of the lid 12 against the first spacer ring 23, which passes on the spring force on the first clamping ring 20 to the nearest spacer sleeve 18. Due to the series connection, all clamping rings 20 are compressed and fix the winding tubes 19th
  • three cores 19 are pushed onto the spindle 1, which are fixed by two respective clamping rings 20.
  • the winding tubes 19 can also be guided, for example, via a cone, not shown, and fixed with only one clamping ring 20.
  • About a central arrangement of the clamping rings 20 and the fixation of the winding tube 19 would be sufficient with only one clamping ring 20.
  • the rigid axle 2 is firmly connected to the revolver, not shown, of the winder and thus fixed.
  • the drive shaft 4 and the bearing shaft 6, which transmit the rotational movement to the sleeve 14 rotates.
  • all other associated components such as the spacers 18, the clamping elements 20 and the winding sleeves 19.
  • the spring assembly 10 with the plate 11, the spring support 17 and the cover 12 is supported on the sleeve 14, rotate also these parts with.
  • the arrangement of the bearing 7 approximately centrally in the spindle 1 reduces the bending load on the spindle 1, since this tends due to the one-sided storage and by the load through the winding tubes 19 to enormous vibrations.
  • the clamping elements 20 are made of rubber or a rubber-coated spring steel, which, although a high elasticity, but are not resistant to wear.
  • the clamping ring 20 is made of a technical plastic, for example of a polyamide such as caprolactam (PA6) or an aliphatic polyamide of hexamethylenediamine and adipic acid (PA6.6), which has a lower elasticity but a significantly greater hardness and wear resistance than the Clamping rings according to the prior art.
  • PA6 caprolactam
  • PA6.6 aliphatic polyamide of hexamethylenediamine and adipic acid
  • the design of the clamping rings 20 is such that only a small axial deformation is required for a radial diameter increase.
  • the cuts 20b, 20c, 21b, 21c are required because otherwise the compressive forces in the circumferential direction in the polyamide are so great that they would adversely affect the radial diameter enlargement and destroy the clamping rings.
  • FIG. 1 19 two clamping rings 20 are provided for each winding tube, which are separated from each other by spacers 18.
  • the compressive force for clamping the winding tubes 19 is applied by the spring assembly 10, whose force is passed through the cover 12 via the collar 13 on the spacers 18 and thus on the clamping rings 20.
  • the clamping rings 20 are connected in series from the outer end of the spindle 1 to the attachment to the turret and would pass less and less force due to their elasticity, if their axial deformability would not be limited.
  • the driving ring 21 is provided below or within each clamping ring 20, which prevents excessive compression of the clamping rings 20 in the axial direction of the spindle 1 and thus enables a "continuous series connection" of the clamping rings.

Claims (8)

  1. Broche pour un enrouleur pour enrouler un ou plusieurs fils pour composer respectivement une bobine sur au moins un mandrin d'enroulement (19), dans laquelle chaque mandrin d'enroulement (19) est attachable de façon serrée sur une mandrin (14) rotatif par au moins une bague de serrage (20), dans laquelle l'actionnement de ladite au moins une bague de serrage (20) se fait par l'intermédiaire de moyens qui sont agencés à l'intérieur du mandrin (14), dans laquelle les moyens sur la circonférence extérieure de la broche (1) agissent le long de l'axe de broche sur ladite au moins une bague de serrage (20), caractérisée en ce que ladite au moins une bague de serrage (20) est agencée sur une bague d'entraînement (21), laquelle relie une douille d'écartement (18) à une bague d'écartement (23), dans laquelle ladite au moins une bague de serrage (20) sur les deux faces frontales comprend une collerette (20a) circonférentielle avec des sections individuelles (20a1, 20a2), qui sont aménagées par des entailles (20b, 20c) mutuelles.
  2. Broche selon la revendication 1, caractérisée en ce que chaque section (20a1, 20a2) est aménagée à être en connexion opérationnelle de façon serrée avec le mandrin d'enroulement (19).
  3. Broche selon la revendication 1, caractérisée en ce que chaque collerette (20a) comprend une inclinaison ou une rampe, laquelle correspond à une inclinaison ou une rampe, qui est agencée sur les faces frontales de la douille d'écartement (18) ou des bagues d'écartement (23).
  4. Broche selon l'une des revendications précédentes, caractérisée en ce que ladite au moins une bague de serrage (20) sur sa circonférence extérieure comprend au moins une bague de sécurisation (22).
  5. Broche selon la revendication 1, caractérisée en ce que la bague d'entraînement (21) sur chaque face frontale comprend une collerette (21a), laquelle s'enfonce dans une dépression (18a, 23a) de la douille d'écartement (18) ou de la bague d'écartement (23).
  6. Broche selon la revendication 5, caractérisée en ce que chaque collerette (21a) est subdivisée en sections (21a1, 21a2) au moyen d'entailles (21b, 21c).
  7. Broche selon la revendication 1, caractérisée en ce que les moyens sont aménagés comme au moins un ressort (10), lequel, par l'intermédiaire d'un couvercle (12), est en mesure d'appliquer une force de pression directement ou indirectement sur ladite au moins une bague de serrage (20).
  8. Broche selon l'une des revendications précédentes, caractérisée en ce que ladite au moins une bague de serrage (20) consiste en matière plastique technique, tout particulièrement en polyamide.
EP18157599.4A 2017-04-07 2018-02-20 Broche pour une bobineuse Active EP3385207B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017107493.7A DE102017107493A1 (de) 2017-04-07 2017-04-07 Spindel für einen Wickler

Publications (2)

Publication Number Publication Date
EP3385207A1 EP3385207A1 (fr) 2018-10-10
EP3385207B1 true EP3385207B1 (fr) 2019-09-11

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ID=61249563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18157599.4A Active EP3385207B1 (fr) 2017-04-07 2018-02-20 Broche pour une bobineuse

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EP (1) EP3385207B1 (fr)
DE (1) DE102017107493A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018132483A1 (de) * 2018-12-17 2020-06-18 Saurer Technologies GmbH & Co. KG Spinnspulenträger sowie Spreizeinheit für einen Spinnspulenträger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581163U (ja) * 1992-03-31 1993-11-02 村田機械株式会社 紡糸巻取機のボビンホルダ
JPH0586959U (ja) * 1992-05-07 1993-11-22 村田機械株式会社 紡糸巻取機におけるボビンホルダ
JPH0632450U (ja) * 1992-10-01 1994-04-28 村田機械株式会社 紡糸巻取機のボビンホルダ
JPH0667460U (ja) * 1993-03-03 1994-09-22 村田機械株式会社 ボビンチャック装置
JP3198736B2 (ja) * 1993-07-14 2001-08-13 東レ株式会社 ボビン把持装置およびボビンホルダ
JP5453456B2 (ja) 2009-02-23 2014-03-26 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 巻取りスピンドル
DE102014117605A1 (de) * 2014-12-01 2016-06-02 TRüTZSCHLER GMBH & CO. KG Spindel für einen Wickler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
DE102017107493A1 (de) 2018-10-11
EP3385207A1 (fr) 2018-10-10

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