EP2189408A2 - Dispositif de serrage - Google Patents

Dispositif de serrage Download PDF

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Publication number
EP2189408A2
EP2189408A2 EP09013733A EP09013733A EP2189408A2 EP 2189408 A2 EP2189408 A2 EP 2189408A2 EP 09013733 A EP09013733 A EP 09013733A EP 09013733 A EP09013733 A EP 09013733A EP 2189408 A2 EP2189408 A2 EP 2189408A2
Authority
EP
European Patent Office
Prior art keywords
clamping device
clamping
clamping element
displaceable
shells
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.)
Granted
Application number
EP09013733A
Other languages
German (de)
English (en)
Other versions
EP2189408B1 (fr
EP2189408A3 (fr
Inventor
Gottfried Staudenmaier
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Oerlikon Textile Components GmbH
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 Oerlikon Textile Components GmbH filed Critical Oerlikon Textile Components GmbH
Publication of EP2189408A2 publication Critical patent/EP2189408A2/fr
Publication of EP2189408A3 publication Critical patent/EP2189408A3/fr
Application granted granted Critical
Publication of EP2189408B1 publication Critical patent/EP2189408B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/38—Arrangements for winding reserve lengths of yarn on take-up packages or spindles, e.g. transfer tails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/20—Force systems, e.g. composition of forces
    • 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 clamping device for threads on a spindle of a spinning or twisting machine, which is arranged on a spindle top, comprising a fixed clamping element and an axially displaceable, against the fixed clamping element by spring force can be pressed clamping element, wherein the displaceable clamping element by spherical centrifugal elements against Spring force can be acted upon by a force that the displaceable clamping element in the axial direction spaced from the fixed clamping element that forms a nip between them and that the clamping device of the arrangement and leadership of the centrifugal elements serving, extending in the radial direction half shells, wherein each one Half shell is arranged on the displaceable clamping element and the respective corresponding half-shell on a fixed base element, and the half-shells of the displaceable clamping element with a ge to the horizontal tended backdrop and the corresponding half-shells of the base element are formed with a horizontal substantially parallel backdrop.
  • the transition between the opening of the clamping device and the closing of the clamping device in the range of the limit speed is relatively narrow, so that it may come too early opening the clamping device during rapid start-up of the spindle, which endangers secure piecing.
  • the same applies when closing the clamping device since it can come to an early closing of the clamping device when braking the spindle, with the result that the thread is not or insufficiently clamped to hold it during the Doffvorganges.
  • the object of the invention is to further develop the clamping device in such a way that the risk of an early closure or too early opening of the clamping device is minimized.
  • the inclined to the horizontal backdrops of the half-shells of the displaceable clamping element are formed such that they have starting from the half-shell of the displaceable clamping element in the direction of the longitudinal axis of the spindle top another inclination angle, as starting from the base element in the direction of the half-shell of the displaceable clamping element.
  • the different ones Inclination angles in the course of the inclined to the horizontal backdrops lead to an increase in the hysteresis between the opening speed and the closing speed. That is, there is a distance between the speed range at which it comes to an opening of the clamping device, and the speed range at which it comes to a closing of the clamping device, a.
  • the opening of the clamping device can be moved to release the nip to high speeds. Since a speedy spindle run-up is advantageous for a secure piecing and for a fast balloon construction, it can be achieved by a suitable combination of the inclination angle in the course of the inclined to the horizontal scenes that the clamping device releases the nip only when reaching a speed above the speed in which the piecing is done and was completed to spin off the trapped thread.
  • the inventive design of the inclined to the horizontal backdrops causes the time of closing the clamping device is moved to a low speed until just before the stoppage of the spindle, so that an extended time window for the supply of the thread in the nip and the secure clamping of the thread is created before the Doffvorgang.
  • the inclined to the horizontal scenes of the half-shells of the displaceable clamping element may have a radially curved course.
  • the increase in hysteresis results from different radii of curvature in the course of the backdrop.
  • the inclination of the first section should be less than the inclination of the second section.
  • the larger angle of inclination of the second section delays when accelerating the spindle, the achievement of the respective half-shell on the displaceable clamping element of the centrifugal force elements such that the opening of the clamping device takes place only at a high speed.
  • the thread is held longer compared to the prior art in the nip.
  • the low inclination of the first section causes the centrifugal force elements, the respective corresponding half-shells on the base element to be delayed in response to deceleration of the spindle, whereby the closing of the nip is moved to clamp the inserted into the nip thread to low speeds.
  • the inclination of the first section may be between 25 ° and 35 °.
  • the inclination of the second section may be between 45 ° and 65 °.
  • a viscous damping medium can be arranged in the clamping device.
  • This may be an oil or fat, in particular silicone oil or fat, which due to its damping properties contributes to an additional influence on the movement sequence of the clamping device or the centrifugal force elements.
  • the viscous damping medium may be arranged in intermediate spaces of the clamping device, which are formed between the displaceable and the fixed clamping element. As a result, the movement of the clamping device is affected as a whole.
  • the viscous damping medium can be arranged in the half-shells.
  • the damping medium acts specifically on the movement of the centrifugal elements.
  • Fig. 1 is a spindle upper part 1 of a spindle of a textile machine, in particular a spinning and twisting spindle shown.
  • the spindle upper part 1 has a shaft made of metal, which serves to receive a sleeve, not shown, on which a thread is to be wound up into a cop.
  • an unillustrated spinning ring is arranged on the spindle upper part 1, which concentrically surrounds the spindle upper part 1 and on which a ring traveler rotates, which deflects the thread to the sleeve and winds on this.
  • a drive whorl 2 is arranged, via which the spindle upper part 1 can be driven during operation of the textile machine.
  • the drive whorl 2 has a fit 14, which serves to fasten a clamping device 4 according to the invention for clamping the thread during doffing of the manufactured cop.
  • the clamping device 4 is centrifugally operated and can take two positions, a clamping position in which the thread is clamped, as in Fig. 2 is shown, and an open position in which the thread can be supplied or released and thrown off, as in Fig. 3 is shown.
  • Fig. 2 represents the clamping device 4 according to the invention in a sectional view in its clamping position.
  • the rotationally symmetrical with respect to its longitudinal axis constructed clamping device 4 has a fixed clamping element 5 and a relative to this displaceable clamping element 6.
  • an annular projection 17 is arranged on the underside facing the displaceable clamping element 6.
  • the projection 17 abuts in the closed position of the clamping device 4 on a pressure surface 18 of the displaceable clamping element 6.
  • the pressure surface 18 may preferably be designed to be conical on its inner side facing the spindle upper part 1, as well as on the outside of the displaceable clamping element 6 facing away from the spindle upper part 1.
  • the clamping device 4 is designed in several parts and includes in addition to the fixed clamping element 5 and the axially displaceable, clamping element 6, a base member 7, which can be supported in the mounted position of the clamping device 4 on a flange 10 of the Antriebswirtels 2 to the clamping device 4 in the axial direction to fix.
  • the base element 7 engages in a knurling 3 of the Antriebswirtels 2 to prevent twisting of the clamping device 4.
  • the pressed onto the fit 14 of the Antriebswirtels 2 fixed clamping element 5 secures the clamping device 4 in the axial direction.
  • the clamping device 4 comprises a compression spring 8 and a plurality of centrifugal elements 9, which are designed in particular as balls, which are offset at an angle to each other evenly distributed over the circumference of the spindle upper part 1 and spaced from the nip 16 in the clamping device 4 are arranged.
  • the base element 7 also serves to receive and guide the centrifugal elements 9.
  • the substantially cylindrical base element 7 has a coaxial to the longitudinal axis of the spindle top 1 wall 11, which is provided with a number of centrifugal elements 9 corresponding number of through holes 12.
  • half-shells 13 are arranged, which extend from the through holes 12, starting radially to the longitudinal axis of the spindle upper part 1 to the outside. The half shells 13 close to the through holes 12 in the axial direction.
  • the displaceable clamping element 6 has the half-shells 13 corresponding half-shells 15 extending in a radially inclined direction.
  • the half-shells 13, 15 serving to receive the centrifugal force elements 9 are designed in accordance with the shape of the spherical centrifugal force elements 9 and adapted to their dimensions.
  • the leadership of the centrifugal elements 9 in the clamping device 4 is achieved by a backdrop-like leadership.
  • the half-shells 15 of the displaceable clamping element 6 each have a slanted to the horizontal backdrop 20 and the half-shells 13 of the base element 7 a extending in the radial direction gate 19, in which the spherical centrifugal elements 9 can move in the radial direction.
  • the horizontal inclined backdrop 20 of the displaceable clamping element 6 is divided into a first portion 21 and a second portion 22.
  • the first section 21 and the second section 22 have different angles of inclination.
  • the angle of inclination of the first portion 21, which extends from the wall of the displaceable clamping element 6, starting in the direction of the longitudinal axis of the spindle 1, is made smaller than the inclination angle of the second portion 22, starting from the base element 7 facing side of the displaceable Clamping element 6 extends in the direction of the half-shell 13.
  • the angle of inclination of the first section 21 is preferably between 25 ° and 35 °, while the second section 22 has an angle of inclination between 45 ° and 65 °.
  • the compression spring 8 is supported on the base element 7 and on which the base element 7 surrounding displaceable clamping element 6 and pushes it in the direction of the fixed clamping element 5.
  • the transition between the clamping position and the open position of the clamping device 4 takes place when reaching a speed in Pending on the selected angles of inclination of the first section 21 and the second section 22 varies.
  • the greater inclination of the second portion 22 causes the acceleration of the spindle, the achievement of the half-shell 13 of the displaceable clamping element 6 is delayed by the centrifugal elements 9.
  • the centrifugal force required to overcome the force acting on the clamping elements 5, 6 during clamping of the thread in the clamping gap 16 centrifugal force is achieved only at a high opening speed. This is above the speed at which the piecing has been completed. This ensures that the rapid start-up of the spindle, which is necessary for secure piecing and the rapid formation of a thread balloon, does not cause the trapped thread to be thrown off too early.
  • centrifugal force elements 9 are influenced in their movement sequence during braking of the spindle to initiate the Doffvorganges and the associated pinching of the thread so that they their position in the respective half-shells 13 of the displaceable clamping element 6 leave only when a certain speed is reached, which is far below the opening speed.
  • the influencing of the movement sequence according to the invention leads to an increase in the hysteresis between the opening speed and the closing speed of the clamping device 4.
  • the centrifugal force counterforce, the closing of the clamping device 4 due to the spring force of the compression spring.
  • the clamping device 4 remains in the closed position even after the spindle has stopped.
  • the opening speed depends on the material properties of the material to be processed on the spinning machine, that is, when processing coarse yarn, the opening speed is lower than in the case of processing fine yarn. Accordingly, the inclination of the first section 21 and the inclination of the second section 22 should be selected in order to achieve an opening speed adapted to the yarn to be processed.
  • the opening speed is at least twice the closing speed of the clamping device. 4
  • the influence of the hysteresis between the opening speed and the closing speed of the clamping device 4 can be additionally influenced by further design measures.
  • the mass of the centrifugal force elements 9 vary and / or the spring stiffness of the compression spring 8.
  • a damping medium in the scenes such as oil or grease, especially silicone oil or silicone grease, due to the viscosity of the damping medium, a delay in the movement of the Centrifugal elements 9 can be achieved, which contributes to influencing the hysteresis.
  • the clamping device 4 differs from the first in that the horizontally inclined gate 20 of the displaceable clamping element 6 has a radially curved course 23, so that it starts from the half shell 15 of the displaceable clamping element 6 in the direction of the longitudinal axis Spindle upper part 1 has a different angle of inclination, as starting from the base element 7 in the direction of the half-shell 15 of the displaceable clamping element 6.
  • the radially curved course 23 of the slide 20 leads in the same manner as already described in the first embodiment, to influence the Movement of the centrifugal elements 9, whereby the hysteresis between the opening speed and the closing speed is increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP09013733.2A 2008-11-22 2009-10-31 Dispositif de serrage Active EP2189408B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008058655.2A DE102008058655B4 (de) 2008-11-22 2008-11-22 Klemmvorrichtung

Publications (3)

Publication Number Publication Date
EP2189408A2 true EP2189408A2 (fr) 2010-05-26
EP2189408A3 EP2189408A3 (fr) 2014-01-08
EP2189408B1 EP2189408B1 (fr) 2015-12-16

Family

ID=41698517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09013733.2A Active EP2189408B1 (fr) 2008-11-22 2009-10-31 Dispositif de serrage

Country Status (7)

Country Link
EP (1) EP2189408B1 (fr)
JP (1) JP5380254B2 (fr)
KR (1) KR101629364B1 (fr)
CN (1) CN101899729B (fr)
DE (1) DE102008058655B4 (fr)
ES (1) ES2557102T3 (fr)
TW (1) TWI513648B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2530041A1 (fr) * 2011-05-31 2012-12-05 Maschinenfabrik Rieter AG Dispositif de pince-fil pour une broche de filature ou de retordage

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009023644A1 (de) * 2009-05-25 2010-12-02 Wilhelm Stahlecker Gmbh Fadenklemmeinrichtung für eine Spindel einer Spinn- oder Zwirnmaschine
DE102013020470A1 (de) * 2013-12-03 2015-06-03 Saurer Components Gmbh Klemmvorrichtung zum Klemmen eines Fadens an einer Spindel einer Spinn- oder Zwirnmaschine und Spinn- oder Zwirnmaschine
DE112016001093T5 (de) * 2015-11-06 2018-01-04 A.T.E. Enterprises Pvt. Ltd. Klemmvorrichtung für einen Spulenwechsel und Verfahren zum Klemmen eines Garns beim Spulenwechsel
DE102016007040A1 (de) 2016-06-09 2017-12-14 Saurer Components Gmbh Fadenklemmvorrichtung
DE102016007041A1 (de) 2016-06-09 2017-12-14 Saurer Components Gmbh Fadenklemmvorrichtung
CN106757579B (zh) * 2016-12-23 2018-11-20 晋中经纬恒腾纺机有限公司 纱管锭子连接器
ES2916467T3 (es) 2019-01-25 2022-07-01 Saurer Spinning Solutions Gmbh & Co Kg Unidad de carga y descarga para un dispositivo sujetahilo y dispositivo sujetahilo
CN110117848A (zh) * 2019-06-18 2019-08-13 李廷荔 一种用于细纱机锭子的夹纱器
CN110436271B (zh) * 2019-08-15 2020-10-30 浙江富兴服装有限公司 一种纺织用易调节型纱筒
JP7475848B2 (ja) * 2019-11-29 2024-04-30 シスメックス株式会社 細胞解析方法、細胞解析装置、細胞解析システム、及び細胞解析プログラム、並びに訓練された人工知能アルゴリズムの生成方法、生成装置、及び生成プログラム
CN112553058A (zh) * 2021-01-15 2021-03-26 吉林大学中日联谊医院 用于改善卵巢早衰的干细胞外泌体的多功能设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006022484A1 (de) 2006-05-13 2007-11-15 Texparts Gmbh Klemmvorrichtung

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
JPS49134936A (fr) * 1973-05-09 1974-12-25
US4941314A (en) * 1988-08-31 1990-07-17 Odaware Industry Co., Ltd. Apparatus for treating tail yarn in textile spindle assembly
JPH0315562Y2 (fr) * 1988-08-31 1991-04-04
DE19628826A1 (de) * 1996-07-17 1998-01-22 Lieser Gmbh Beteiligungsgesell Klemmvorrichtung für Fäden
DE19746819A1 (de) * 1997-10-23 1999-04-29 Novibra Gmbh Vorrichtung zum Bilden und Auflösen einer Unterwindung
EP0949366B1 (fr) * 1998-04-09 2003-05-07 Zinser Textilmaschinen GmbH Appareil pour pincer un fil de sous-renvidage sur une broche d'un métier continu à filer ou à retordre à anneau
DE10211862A1 (de) * 2002-03-18 2003-10-02 Schlafhorst & Co W Zentrifugenspinnvorrichtung
DE102009023644A1 (de) * 2009-05-25 2010-12-02 Wilhelm Stahlecker Gmbh Fadenklemmeinrichtung für eine Spindel einer Spinn- oder Zwirnmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006022484A1 (de) 2006-05-13 2007-11-15 Texparts Gmbh Klemmvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2530041A1 (fr) * 2011-05-31 2012-12-05 Maschinenfabrik Rieter AG Dispositif de pince-fil pour une broche de filature ou de retordage

Also Published As

Publication number Publication date
JP5380254B2 (ja) 2014-01-08
JP2010121262A (ja) 2010-06-03
TW201029910A (en) 2010-08-16
CN101899729B (zh) 2013-08-28
CN101899729A (zh) 2010-12-01
TWI513648B (zh) 2015-12-21
EP2189408B1 (fr) 2015-12-16
ES2557102T3 (es) 2016-01-22
EP2189408A3 (fr) 2014-01-08
DE102008058655B4 (de) 2019-01-10
KR101629364B1 (ko) 2016-06-13
DE102008058655A1 (de) 2010-05-27
KR20100057754A (ko) 2010-06-01

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