EP1304403A2 - Métiers à filer comportant un condenseur de fibres - Google Patents

Métiers à filer comportant un condenseur de fibres Download PDF

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Publication number
EP1304403A2
EP1304403A2 EP02022225A EP02022225A EP1304403A2 EP 1304403 A2 EP1304403 A2 EP 1304403A2 EP 02022225 A EP02022225 A EP 02022225A EP 02022225 A EP02022225 A EP 02022225A EP 1304403 A2 EP1304403 A2 EP 1304403A2
Authority
EP
European Patent Office
Prior art keywords
compression
spinning machine
suction
machine according
roller
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
EP02022225A
Other languages
German (de)
English (en)
Other versions
EP1304403B1 (fr
EP1304403A3 (fr
Inventor
Hans-Peter Schatzmann
Jürg Ott
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP1304403A2 publication Critical patent/EP1304403A2/fr
Publication of EP1304403A3 publication Critical patent/EP1304403A3/fr
Application granted granted Critical
Publication of EP1304403B1 publication Critical patent/EP1304403B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings
    • D01H5/78—Rollers or roller bearings with flutes or other integral surface characteristics

Definitions

  • the invention relates to a spinning machine according to the preamble of the independent Claim, in particular a ring spinning machine with one between one Drafting device and a spinning device arranged compression device.
  • the invention relates to a spinning machine with a drafting system 1, one Compression device 3 and a spinning device 5 for each sliver 71, several such devices side by side in a spinning machine are arranged, and with a compression element 31 within the Compression device 3, wherein the compression element 31 is a stationary Suction element 37 is assigned to discharge through the compression element 31 air entering the suction element 37, characterized in that the Compaction element 31 has a particularly thin-walled compression surface 31b which is so flexible that it is under the pressure of a pinch roller 33 or Locking roller 35 is elastically deformed on one located on its inside Suction element 37 rests.
  • the suction element 37 is a hollow half-shell between one Roller 11c and the compacting surface 31b of the compacting element 31 are arranged.
  • the suction element is closed or interrupted as a hollow cylinder Annular body between a roller 11c and a circular cylindrical compression surface 31b of a compression element.
  • a suction slot 40 is made in the suction element 37.
  • the compression surface 31b is via a base body 30 with the roller 11c
  • the compression surface 31b is connected by means of a positioning device 31a a base body 30 held.
  • the suction element 37 is through a suction nozzle 4, which leads to a suction device, held.
  • the drafting system comprises several pairs of delivery rollers 11, preferably partially equipped with straps.
  • the sliver 71 is between the first and second pair of delivery rollers 11a and 11b only weakly and between the second and subsequent roller pair 31, 33 strongly warped, the Default ratio may exceed 100 in total.
  • a pinch roller 33 and a compression element 31 that stretched sliver is clamped, and subsequently on the compression device 3 compacted.
  • the sliver leaving the drafting device 1 has a width that decreases during compaction.
  • Guide 39 prefers the fiber structure on the surface in the form of an umbrella accompany the compression element 31.
  • a locking roller 35 is provided, which is pressed against the compression element 31 and so the rotation of a spinning device 5 against the Material flow direction limited.
  • a suction element 37 which is connected to a suction device 4.
  • the Compaction element 31 is preferably a perforated rotating (steel) sieve belt, while the suction element 37 has a suction opening in the area of the perforation.
  • the thread guides 55, 55 ' which, in the case of a ring spinning device, the thread balloon of the yarn 73 according to FIG. 1 limit upwards.
  • the yarn 73 by means of a runner 53 on a ring which is fastened on a ring frame 51, wound by the rotation of a spindle 59 with a drive on a yarn package 75.
  • the height of the yarn package is determined by the range of movement of a Ring frame drive 57 determines the ring frame 51 in the vertical direction 1 up and down.
  • the suction element is shown schematically in detail in FIGS. 2 and 3. It consists of a housing 37.1, which serves as a channel that enters the suction device 4 transfers, by means of which the sucked in air is discharged.
  • a housing 37.1 which serves as a channel that enters the suction device 4 transfers, by means of which the sucked in air is discharged.
  • In the front part of the Casings 37.1 are attached to a tongue 44a, guides 44b, 44c, by means of which Inserts 37.2 and 37.3 can be held.
  • the inserts 37.2 and 37.3 are in the housing 37.1 inserted by an insert 37.2, which is not assembled in FIG State shown, lowered according to arrow a between the guides 44b and 44c and then parallel to an axis A through the guide 44c in the direction of the arrow is moved outside.
  • Projections 49 on the side facing the housing 37.1 of insert 37.2 prevent insert 37.2 from going as far through guide 44b, 44c can be pushed that there is no longer a defined position.
  • the Protrusions 49, which lie laterally on the guide 44b, 44c, thus secure together with the guide 44b, 44c itself the position of the insert 37.2 relative to Housing 37.1.
  • the insert 37.3 can be positioned analogously by first in Direction of arrow a is moved against the tongue 44a until it rests on it. Then it turns against the direction of arrow b through the space shifted to the right between the guide 44b and the tongue until protrusions (not shown) rest on the guide 44b.
  • the lid is in each case on an insert 37.2 or 37.3 facing side open to receive the air from the insert 37.2 or 37.3.
  • the air sucked in by the suction device 4 by means of a fan first enters through a suction slot 40 on insert 37.2 or 41 on insert 37.3 the inside of the insert, according to the direction of the arrow d, and then according to Arrow direction e, f to flow into the interior of the cover 37.4, which serves as a channel.
  • the slots 40 and 41 in the inserts 37.2 and 37.3 can in terms of shape and slot width depending on the fiber material of the spinning machine are designed differently, so that when changing the Spinning machine from one material to another the optimal slot shape can be chosen.
  • the compression element is shown in dashed lines in FIG. 2 on the right 31 partially shown, which is a cylindrical, solid or flexible drum or Ribbon or a strip of fabric can be.
  • the compression element 31 is an apron or a Ribbon, it must be rotatably connected to the roller 11c, which in this Case has the function of a support for the housing 37.1.
  • a locking roller 35 rests on the compression element 31.
  • the Compression element 31 consists of a suction element 37, as it is according to the Figure description of Fig. 2 has already been set out in detail.
  • the suction element 37 each carries an insert 37.2 and 37.3 with a suction slot 40 below one Perforation 31 c of a compression surface 31 b.
  • This compression surface is 31 b preferably as a circular cylinder with a perforation 31 c in the area of the suction slot, or the suction slots 40 executed.
  • the circular cylinder is over one Positioning device 31 a connected to a circular cylindrical base body 30, the sits firmly on the roller 11 c.
  • each of the insert Suction elements 37 are assigned a compression surface 31 b with a base body 30.
  • a seal between a Compression surface 31 b and a base body 30 are arranged.
  • the Positioning device 31 a can be called a "catch", one in a hole guided, spring-loaded ball, which is in a recess on the inside of the Compression surface 31 b, or the circular cylinder with the perforation intervenes or a similar device, which a perfect positioning, respectively. Take-along ensures.
  • the compression surface 31b is therefore fixed to a base body 30 in the area distant from the suction element 37 connected while it freely cantilevered over the suction element 37 on the other side.
  • the suction element 37 must be supported on the roller 11 c, and on the other hand can the projecting part of the compression surface 31 b also extends over an insert 37.2 under the load of pinch rollers 33 or locking rollers 35, support.
  • FIG. 4 b In the side view of the arrangement according to FIG. 4 a, shown in FIG. 4 b, the Pinch roller 33 and the locking roller 35 shown, which against the Compression element 31, or the compression surface 31 b, pressed become.
  • the suction element 37 is designed as a half-shell, which is on the roller 11 c must support.
  • the insert 37.2 could, contrary to the representation in Fig. 4 b, also be designed so that it rests on its inside on the roller 11 c so the contact pressure of the pinch roller 33, or locking roller 35 on the Transfer roller 11 c. From Fig. 4 b, a suction port 4 can be seen, which leads to the suction device 4.
  • FIG. 5 a An alternative embodiment of the suction element 37 is shown in FIG. 5 a.
  • the Suction element is a half-shell, which essentially consists only of an outer and there is an inner circular cylindrical part, closed with a cover 37.4, which enables access for cleaning purposes.
  • This suction element has two suction slits 40 each under a perforation 31 c of a compression surface 31 b.
  • This embodiment of the suction element is better able to withstand the pressure forces of the Clamping and locking roller 33, or 35, on the compression element 31aufschsch.
  • the compression element 31, or the compression surface 31 b from a thin-walled, circular cylindrical part, for example a steel sheet, which with a Perforation 31c is provided.
  • Such a compression surface 31 b can be produced inexpensively, for example from a sheet metal strip that leads to a Cylinder is bent and welded along a surface line.
  • the compression surfaces 31 b, or the circular cylinder of the compression element 31, axially from Suction element 37 are pushed away.
  • To push the Compaction element, or the compression surface 31 b, must Pinch roller 33 and lock roller 35 out of engagement with compression member 31 to be brought.
  • the inner, circular-cylindrical part of the half-shell lies, which represents the suction element 37 in this embodiment, on the circular cylindrical outer surface of the roller 11 c.
  • the compaction area 31 b and the outer surface of the suction element 37 on the one hand and the inside of the Suction elements 37 and the circular cylindrical outer surface of the roller 11 c Sliding friction.
  • Rolling bearings can also be provided here.
  • the suction element 37 is a centrally symmetrical, circular cylindrical part that completely surrounds the roller 11c.
  • a roller bearing is preferred used in the area of perforation 31c.
  • the suction element 37 forms in the left part a sliding bearing for the compression element 31 or the one lying on it, so to speak Inside of the compression surface 31 b.
  • To assemble or disassemble the Suction elements 37 according to FIG. 6a must have both compression surfaces 31b in the longitudinal direction are pushed over the end of the roller 11c.
  • FIG. 6b the side view of the arrangement in FIG. 6a again shows that the suction element 37 completely surrounds the roller 11c.
  • the embodiment is between the suction element 37 and the roller 11c Rolling bearing 12 used.
  • FIG. 7 shows a partial meridian section through a compression element shown, both between the compression surface 31b and the suction element 37 and a roller bearing 13 and 12, respectively, between the roller 11c and the suction element 37 is used.
  • connection or a positioning device 31a between the compression surface 31b and the Base body 30 shown.
  • an outside conical Threaded ring placed over the circular cylindrical outer surface of the base body 30, which over the inside of a conical ring against the inside of the Compression surface 31b presses and thus a frictional connection Base body 30 and the compression surface 31b.
  • the compression element 37 according to FIG. 7 can be assembled from two parts become.
  • the use of a is complementary to the suction element 37 second half-shell 37 'possible, opposite each of the suction element 37, whereby better guidance of the circular cylindrical compression surface 31b is made possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP20020022225 2001-10-18 2002-10-02 Métiers à filer comportant un condenseur de fibres Expired - Lifetime EP1304403B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10150921 2001-10-18
DE2001150921 DE10150921A1 (de) 2001-10-18 2001-10-18 Spinnmaschine mit Verdichtungseinrichtung

Publications (3)

Publication Number Publication Date
EP1304403A2 true EP1304403A2 (fr) 2003-04-23
EP1304403A3 EP1304403A3 (fr) 2004-07-28
EP1304403B1 EP1304403B1 (fr) 2008-04-30

Family

ID=7702599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020022225 Expired - Lifetime EP1304403B1 (fr) 2001-10-18 2002-10-02 Métiers à filer comportant un condenseur de fibres

Country Status (4)

Country Link
EP (1) EP1304403B1 (fr)
CN (1) CN100402720C (fr)
DE (2) DE10150921A1 (fr)
TR (1) TR200202370A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011097746A1 (fr) 2010-02-12 2011-08-18 Maschinenfabrik Rieter Ag Banc d'étirage pour un métier à filer
CN103668588A (zh) * 2013-12-05 2014-03-26 绍兴华裕纺机有限公司 一种紧密纺纱装置
CN103668589A (zh) * 2013-12-05 2014-03-26 绍兴华裕纺机有限公司 一种集束件

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358967B (zh) * 2011-08-21 2013-08-21 陆节 纤维集束装置
DE102012101540A1 (de) * 2012-02-27 2013-08-29 Maschinenfabrik Rieter Ag Textilmaschine mit beweglich gelagertem Saugelement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT397395B (de) * 1990-11-22 1994-03-25 Fehrer Textilmasch Vorrichtung zum teilen einer verstreckten faserlunte
DE19625526B4 (de) * 1996-06-26 2007-04-26 Maschinenfabrik Rieter Ag Streckwerk zum Führen eines Faserverbandes zu einer Spinnstelle einer Spinnmaschine
IT1307759B1 (it) * 1998-03-31 2001-11-19 Schurr Stahlecker & Grill Dispositivo per condensare un composito di fibre stirato.
DE19846268C2 (de) * 1998-03-31 2002-07-04 Schurr Stahlecker & Grill Vorrichtung zum Verdichten eines verstreckten Faserverbundes
DE19836135A1 (de) * 1998-08-10 2000-02-17 Stahlecker Fritz Vorrichtung zum Verdichten eines Faserverbandes an einer Ringspinnmaschine
DE19944444A1 (de) * 1999-09-16 2001-03-22 Rieter Ag Maschf Spinnmaschine mit Verdichtungseinrichtung
US6332244B1 (en) * 1999-11-26 2001-12-25 Marzoli S.P.A. Method and apparatus for drafting and condensing a roving, particularly an a ring spinning frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011097746A1 (fr) 2010-02-12 2011-08-18 Maschinenfabrik Rieter Ag Banc d'étirage pour un métier à filer
US8671657B2 (en) 2010-02-12 2014-03-18 Maschinenfabrik Rieter Ag Drawing frame for a spinning machine
CN103668588A (zh) * 2013-12-05 2014-03-26 绍兴华裕纺机有限公司 一种紧密纺纱装置
CN103668589A (zh) * 2013-12-05 2014-03-26 绍兴华裕纺机有限公司 一种集束件

Also Published As

Publication number Publication date
DE50212176D1 (de) 2008-06-12
TR200202370A2 (tr) 2003-05-21
CN100402720C (zh) 2008-07-16
EP1304403B1 (fr) 2008-04-30
CN1412361A (zh) 2003-04-23
DE10150921A1 (de) 2003-04-30
EP1304403A3 (fr) 2004-07-28

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