EP3257979B1 - Fadenklemmvorrichtung - Google Patents

Fadenklemmvorrichtung Download PDF

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Publication number
EP3257979B1
EP3257979B1 EP17175058.1A EP17175058A EP3257979B1 EP 3257979 B1 EP3257979 B1 EP 3257979B1 EP 17175058 A EP17175058 A EP 17175058A EP 3257979 B1 EP3257979 B1 EP 3257979B1
Authority
EP
European Patent Office
Prior art keywords
clamping element
clamping
thread
spindle
spinning
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
EP17175058.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3257979A1 (de
Inventor
Gottfried Staudenmaier
Josef Winter
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
Saurer Spinning Solutions 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 Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG
Publication of EP3257979A1 publication Critical patent/EP3257979A1/de
Application granted granted Critical
Publication of EP3257979B1 publication Critical patent/EP3257979B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H65/00—Securing material to cores or formers
    • 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
    • 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 clamping device for a spindle of a spinning or twisting machine with a first clamping element stationarily arranged on the upper part of the spindle, a second clamping element mounted axially displaceably relative to the first clamping element and a loading device which acts on the second clamping element in the direction of the first clamping element as a result of spring force, and a relief device which, due to centrifugal force, positions the second clamping element at a distance from the first clamping element.
  • the ring rail is then moved relatively quickly downwards again to what is known as a winding point for the spindles, where it is braked again.
  • the threads are wound up again in several turns.
  • a disadvantage of such a method is that the underwinds remain on the winding points of the spindles and after a certain number of spinning head changes they can be removed from the underwind area with relatively great effort and often only with insufficient success.
  • the second clamping element has an inwardly inclined conical annular surface which, with the stationary first clamping element, delimits an annular chamber in which movably mounted centrifugal force elements are arranged.
  • the force exerted by the centrifugal force elements on the displaceable clamping element is greater than the spring force of the compression spring, which leads to a movement of the displaceably mounted second clamping element in the axial direction and thus to the opening of the thread clamping device.
  • this known thread clamping device when the speed of the spindle falls below the limit speed, this known thread clamping device returns to a clamping position in which the end faces of the two clamping elements are pressed against one another.
  • Thread clamping devices as shown in the DE 196 28 826 A1 are described have proven themselves in practice. However, difficulties often arise with these known thread clamping devices if, contrary to expectations, the thread clamping devices are soiled by thread remnants. This means that in this known thread clamping device it is not provided that the movably mounted second clamping element can be positioned in a cleaning position when the spindle is stationary.
  • the thread clamping device which, as usual, is arranged on a spindle upper part of a spindle of a spinning or twisting machine, has a fixed first clamping element, an axially displaceable second clamping element that can be pressed against the fixed first clamping element by spring force, and centrifugal elements. That is to say, the thread clamping device has receptacles on the side opposite the first clamping element in which centrifugal force elements are arranged. In addition, a compression spring is arranged between the receptacles and a stop surface of the second clamping element.
  • This improved thread clamping device has a large number of half-shells which extend in the radial direction and in which centrifugal force elements are arranged and are led.
  • One half of the half-shells is arranged on the displaceably mounted second clamping element and the other half of the respective corresponding half-shells is arranged on a fixedly arranged base element.
  • the half-shells of the displaceable second clamping element are also each equipped with a backdrop that is inclined to the horizontal, and the corresponding half-shells of the base element are each equipped with a horizontal backdrop.
  • the scenes of the half-shells of the displaceable second clamping element which are inclined to the horizontal are designed in such a way that, starting from the half-shell of the displaceable clamping element in the direction of the longitudinal axis of the upper spindle part, they have a different angle of inclination than starting from the base element in the direction of the clamping element which can be displaced in the direction of the half-shell.
  • the thread clamping device described has, as usual, a fixed first clamping element and a second clamping element which is mounted displaceably with respect to the first clamping element and which is acted upon by a loading element in the form of a helical spring in the direction of the first clamping element.
  • relief elements in the form of balls are also present here, which act on the second clamping element due to centrifugal force and ensure that the thread clamping device is opened and releases the thread from a certain spindle speed.
  • EP 2 881 351 A1 and JP 4 095711 B2 disclose conventional thread clamping devices.
  • the invention is based on the object of modifying a thread clamping device in such a way that, if necessary, the thread clamping device can be cleaned without problems.
  • a thread clamping device which has an underwinding sleeve which is arranged stationary on the upper part of the spindle and which is equipped with guide devices which, in conjunction with associated guide lugs on a movably mounted second clamping element, form a mechanical locking device for the second clamping element.
  • the inventive design of the thread clamping device has the particular advantage over the known thread clamping devices that the use of a mechanical locking device enables the movably mounted second clamping element to be reliably in a cleaning position if necessary, i.e. when the thread clamping device is soiled by thread remnants can be positioned in which the thread clamping device can be cleaned relatively easily.
  • the locking device is designed so that the movably mounted second clamping element can be easily positioned in a cleaning position if necessary, in which the movably mounted second clamping element is fixed at a distance from the stationary first clamping element. This means that when the spindle is at a standstill, the second clamping element can easily be positioned manually so that the area between the clamping elements is freely accessible and the entire thread clamping device can thus be easily and thoroughly cleaned.
  • the locking device is designed in the manner of a bayonet lock.
  • a bayonet lock is an advantageous quick coupling device that has proven itself in mechanical engineering for the secure connection and positioning of two cylindrical components 90 ° a reliable fixation of the second clamping element in a predetermined position on the stationary underwinding sleeve.
  • the guide devices arranged in the underwinding sleeve are designed as link guides. That is, the stationary underwinding sleeve has link guides which, in conjunction with associated guide lugs on the movably mounted second clamping element, form a reliable locking device.
  • Such a design enables the thread clamping device to be opened manually in a simple manner, whereby the movably mounted second clamping element can be fixed in a cleaning position by pulling it down and then rotating it, for example 90 °, in which a quick and easy removal of any thread remnants is possible.
  • the guide devices arranged in the underwinding sleeve are designed as link guides which each have at least one vertically extending first guide section and an at least partially horizontally extending second guide section.
  • Link guides designed in this way are popular and proven gear elements in mechanical engineering which, in conjunction with a counter element, for example a so-called sliding block, enable reliable positioning of the gear element.
  • link guides in the underwinding sleeve in conjunction with the associated guide lugs on the movably mounted second clamping element, represent a simple and reliable switching and locking device that enables the movably mounted second clamping element to be securely fixed in a predetermined cleaning position.
  • the underwinding sleeve preferably has at least two of these guide devices designed as link guides. However, it is not absolutely necessary to limit the number of backdrop guides.
  • an underwinding sleeve can also have, for example, three link guides arranged offset by 120 ° or four link guides offset by 90 °.
  • spinning or twisting machines generally have a large number of identical work stations arranged at a relatively short distance from one another in the area of the machine longitudinal sides of the textile machines, so-called spinning stations 1 in ring spinning machines.
  • Each of these spinning stations 1 has a rotatably mounted, drivable spindle 2, each of which serves the purpose of providing a thread 13 supplied by an upstream drafting device with a certain thread twist and winding it onto a spinning tube 6.
  • the spindles 2 of spinning or twisting machines are usually driven either by a single motor or, as in the exemplary embodiment, by means of a revolving drive belt 11 which acts on a whorl 12 of the spindle 2 (so-called envelope drive).
  • spindles 2 each have a rotatably mounted upper spindle part 3 and a non-rotating bearing housing 4, which is connected in a stationary manner to a spindle bank (not shown in detail).
  • the upper spindle part 3 has a so-called spindle shaft 5 which, as is known, is rotatably mounted in the bearing housing 4 by means of a foot bearing and a neck bearing.
  • the upper part of the spindle 3 is also equipped in its upper area with coupling means (not shown) which serve to receive a spinning tube 6 onto which the spun thread 13 is wound to form a spinning cop 7.
  • the winding process is carried out in a known manner by oscillating lifting movements of the so-called ring rail 8, which extends over a plurality of spinning stations 1 arranged next to one another on a longitudinal side of the machine.
  • a stationary spinning ring 9 is installed on the ring rail 8 in the area of each spindle 2, on which a so-called ring traveler 10 rotates in a known manner, which during the winding process through the running thread connected to the rotating spindle 2 via the spinning tube 6 13 is driven.
  • the spindles 2 of such spinning or twisting machines are also each equipped with a thread clamping device 14 according to the invention, which is used in the context of a spinning tube change. That is, the thread clamping device 14 is required when the spinning cops 7 of the spindles 2 are completed and have to be withdrawn together upwards from their spindles 2 and replaced by new spinning tubes 6.
  • the thread clamping device 14 in the exemplary embodiment has, as essential components, a stationary first clamping element 15 fixed on the upper spindle part 3 of the spindle 2, a lower winding sleeve 16 also fixed on the upper spindle part 3, a spring element 17, for example a leaf spring element, which can be connected to the lower winding sleeve 16, as well as a displaceably mounted, in the assembled state functionally connected to the spring element 17, second clamping element 18, a so-called sliding sleeve.
  • the thread clamping device 14 also has a cover element 19 and a bottom part 21 fastened to the upper spindle part 3, which during the spinning operation ensure that the leaf spring element 17 of the thread clamping device 14 is protected from dirt downwards.
  • the underwinding sleeve 16 is equipped with at least two bearing devices 24 for the spring element 17 and with receptacles 27 for the centrifugal force elements 26 connected to the spring element 17.
  • the spring element 17 is mounted so as to be movable to a limited extent by means of pin-like, inwardly pointing projections 25, secured radially and axially.
  • centrifugal force elements 26 are also attached to the spring element 17, for example by screw or clip connections, which are directed inward due to the bending stress of the pre-bent spring element 17.
  • centrifugal force elements 26 are, for example, in FIG Fig. 1 shown, in the assembled state and, as long as the spindle 2 does not exceed a certain spindle speed, pivoted into the receptacles 27 of the underwinding sleeve 16.
  • the underwinding sleeve 16 also has in its upper area some, at least two, link guides 22 which, in the assembled state, correspond to corresponding guide lugs 23 on the movably mounted, second clamping element 18 and form a locking device.
  • the link guides 22 of the underwinding sleeve 16, in conjunction with the guide lugs 23 of the movably mounted second clamping element 18, enable the clamping element 18, as in FIG Fig. 2 shown, can be positioned in a cleaning position RS, in which the clamping elements 15, 18 are clearly spaced from one another.
  • the thread clamping device 14 remains in this cleaning position RS until the cleaning position is canceled again by appropriate manual actuation of the second clamping element 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP17175058.1A 2016-06-09 2017-06-08 Fadenklemmvorrichtung Active EP3257979B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016007040.4A DE102016007040A1 (de) 2016-06-09 2016-06-09 Fadenklemmvorrichtung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102016007040 Previously-Filed-Application 2016-06-09

Publications (2)

Publication Number Publication Date
EP3257979A1 EP3257979A1 (de) 2017-12-20
EP3257979B1 true EP3257979B1 (de) 2021-10-20

Family

ID=59091325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17175058.1A Active EP3257979B1 (de) 2016-06-09 2017-06-08 Fadenklemmvorrichtung

Country Status (7)

Country Link
EP (1) EP3257979B1 (es)
JP (1) JP6967882B2 (es)
KR (1) KR102301537B1 (es)
CN (1) CN107487664B (es)
DE (1) DE102016007040A1 (es)
ES (1) ES2900275T3 (es)
TW (1) TW201804038A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113335996B (zh) * 2021-07-01 2022-09-16 徐州广朋纺织有限公司 一种纺织生产用纱锭放线的限位装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628826A1 (de) 1996-07-17 1998-01-22 Lieser Gmbh Beteiligungsgesell Klemmvorrichtung für Fäden
ITMI980853A1 (it) * 1997-05-06 1999-10-22 Rieter Ag Maschf Dispositivo di filatura
EP0949366B1 (de) * 1998-04-09 2003-05-07 Zinser Textilmaschinen GmbH Vorrichtung zum Klemmen eines Unterwindefadens an der Spindel einer Ringspinnmaschine oder Ringzwirnmaschine
DE19947854A1 (de) * 1999-10-05 2001-04-12 Zinser Textilmaschinen Gmbh Vorrichtung zum Klemmen eines Unterwindefadens an einer Spindel einer Textilmaschine, insbesondere einer Ringspinnmaschine
DE102005061043A1 (de) * 2005-12-08 2007-06-14 König, Günter Fadenklemmvorrichtung für Unterwindefäden an Spindeln einer Ringspinn- oder Ringzwirnmaschine
DE102006022484B4 (de) 2006-05-13 2017-04-27 Saurer Components Gmbh Klemmvorrichtung
DE102008039502A1 (de) * 2008-08-23 2010-02-25 Oerlikon Textile Components Gmbh Klemmvorrichtung
DE102008058655B4 (de) 2008-11-22 2019-01-10 Saurer Spinning Solutions Gmbh & Co. Kg Klemmvorrichtung
TR200908809A2 (tr) * 2008-12-15 2010-04-21 Lakshmi Machine Works Ltd. Tekstil alanında iplik eğirme ve bükme makinesi dahilinde bir dip sarım mekanizması
DE102011076744A1 (de) * 2011-05-31 2012-12-06 Maschinenfabrik Rieter Ag Fadenklemmeinrichtung für eine Spinn- oder Zwirnspindel
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

Also Published As

Publication number Publication date
KR20170139444A (ko) 2017-12-19
KR102301537B1 (ko) 2021-09-14
CN107487664A (zh) 2017-12-19
CN107487664B (zh) 2020-07-17
EP3257979A1 (de) 2017-12-20
JP2017218716A (ja) 2017-12-14
JP6967882B2 (ja) 2021-11-17
DE102016007040A1 (de) 2017-12-14
ES2900275T3 (es) 2022-03-16
TW201804038A (zh) 2018-02-01

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