EP0099973A1 - Etirage pour machine de filature - Google Patents

Etirage pour machine de filature Download PDF

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Publication number
EP0099973A1
EP0099973A1 EP83105255A EP83105255A EP0099973A1 EP 0099973 A1 EP0099973 A1 EP 0099973A1 EP 83105255 A EP83105255 A EP 83105255A EP 83105255 A EP83105255 A EP 83105255A EP 0099973 A1 EP0099973 A1 EP 0099973A1
Authority
EP
European Patent Office
Prior art keywords
apron
roller
drafting system
rollers
inlet
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
EP83105255A
Other languages
German (de)
English (en)
Other versions
EP0099973B1 (fr
Inventor
Arthur Würmli
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 EP0099973A1 publication Critical patent/EP0099973A1/fr
Application granted granted Critical
Publication of EP0099973B1 publication Critical patent/EP0099973B1/fr
Expired 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
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/64—Rollers or aprons with cleaning surfaces

Definitions

  • the present invention relates to a drafting system for a spinning machine with a forward and a main drafting zone, with an inlet roller pair comprising an upper and a lower roller, with an outlet roller pair comprising an upper and a lower roller and with an upper and a driven by an apron roller pair a lower apron, wherein the pre-draft zone extends between the pair of inlet rollers and the nip line formed by the apron rollers pressed against the top and bottom apron rollers, and the main draft zone extends between this nip line and the pair of outlet rollers, and wherein the bottom apron extends under the draft zone and the lower inlet roller .
  • the invention is particularly concerned with the cleaning of such drafting systems.
  • a cleaning device is already known, in which by means of specially provided for cleaning Putzriemchen by friction and movement thereof g of the faster rotating rolls and the top apron a Reibun s- and Abstopp bin occurs.
  • German patent specification No. 908590 also discloses an apron drafting system in which the lower apron extends to below the pair of inlet cylinders. There is no contact of the lower apron with the lower of these cylinders.
  • cleaning of the lower apron and the lower inlet cylinder is to be obtained. It is characterized in that the lower apron is in grazing contact with this lower infeed roller during operation of the drafting system.
  • the lower inlet cylinder and the bottom apron are cleaned by wiping off their surfaces, it not being necessary to provide any cleaning means.
  • the drafting system is therefore extremely simple. Continuous cleaning of the roller significantly reduces the risk of winding formation. Adhesion of fibers is prevented from an early stage. Because the top and bottom straps are used to guide the fibers during the drafting process in the main drafting zone, and because the straps are guided over deflection points during operation, it is inherently necessary to produce the straps from a material that is resistant to friction. Insofar as there is generally only slight contact between the lower apron and the lower infeed roller, the service life of the apron is practically hardly changed by the cleaning arrangement.
  • the invention will now be explained in more detail using exemplary embodiments and the figure of the drawing.
  • the latter shows an inlet roller pair formed by an upper and a lower inlet roller 11 and 12, respectively, through which the sliver 13 and the incoming roving entering through the condenser 28 are grasped on the inlet side of the drafting system and transported from right to left according to the figure.
  • an upper and lower apron roller 14 and 15 forming a pair of rollers are provided.
  • This pair of rollers is used to drive the upper apron 16 and the lower apron 17.
  • the apron 16 is guided around a deflection point 18.
  • a bridge 19 and a deflection rail 20 are provided for guiding the apron 17.
  • Following the two straps 16, 17 there is a pair of outlet rollers formed by an upper and a lower outlet roller 23 and 24, respectively.
  • An apron guide 21 is attached to a bearing saddle 22.
  • the latter serves primarily to carry the Strappy bottom roller 15. It is adjustable in the direction perpendicular to the axis of rotation of the roller 15. This setting is used to adapt the distance of the entry point for the sliver fibers formed by the converging straps 16, 17 from the outlet rollers 23, 24, ie the length of the main draft zone, of the different types of such fibers.
  • the bearing saddle 22 and the further bearing saddle 25 for the inlet roller 12 are carried by a carrier 26.
  • the location of maximum pressure formed by the rollers 14 and 15 pressed against one another is located between the straps 16, 17 along a line parallel to the axes of rotation of the rollers 14, 15, the so-called clamping line 27.
  • the area between the inlet roller pair 11, 12 and the clamping line 27 is the pre-default zone.
  • the area between the clamping line 27 and the outlet roller pair 23, 24 is the main draft zone.
  • the rollers 11, 12, 14, 15 and 23, 24 rotate in the direction of rotation indicated by the arrows.
  • the peripheral speed of the inlet rollers 11, 12 and the apron rollers 14, 15 is relatively small, the one of the inlet rollers 11, 12 being somewhat smaller than that of the apron rollers 14, 15 and thus also the speed of the apron 16, 17. This gives in a slight warping of the fuse in the pre-drafting zone.
  • the peripheral speed of the rollers 23, 24 is much greater than that of the rollers 14, 15, so that the actual warping of the fuse takes place in the main draft zone.
  • the rollers 11, 12 and 14, 15 and the deflecting rail 20 is arranged in such a way that the lower apron 17 is in contact with the lower infeed roller 12 during operation of the drafting system, ie brushes against the roller 12. It can be seen that at the point of contact, the surface of the roller 12 and the strap 17 move in opposite directions. Fibers adhering to the roller 12 are stripped from the straps 17 and remain on the latter, ie they are carried along by them. They then return to the fiber sliver 12, with which they are mixed during their further processing.
  • a second embodiment of the invention is shown in the figure. According to this, a corresponding mutual arrangement of the bridge 19 and the outlet roller 24 additionally contacts the lower apron 17 with the lower outlet roller 24. In this case too, the surface of the roller 24 moves in the opposite direction to the movement of the apron 17. In this way, cleaning of the lower outlet roller 24 is also achieved.
  • the downwardly extending part of the bridge 19 is provided with a corresponding extension 29, as is indicated by dashed lines.
  • the desired strength of the contact with the roller 24 can be chosen as desired.
  • an apron guide 21 is provided for guiding the apron 17 laterally.
  • the use of a loose strap 17 causes less friction and thus an increase in the life of the same.
  • the strap guide 21 prevents the loose strap from migrating and thus ensures that the drafting system functions properly.
  • a further advantageous embodiment of the invention consists in the strap guide 21 being attached to the bearing saddle 22 is increasing.
  • the guide 21 is also moved when the rollers 14, 15 are adjusted horizontally to different types of fibers, in particular fiber lengths, by displacing the bearing saddle 22. A once optimal distance of the roller 14, 15 from the apron guide 21 is thus always maintained when adapting to different types of fibers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP83105255A 1982-07-23 1983-05-27 Etirage pour machine de filature Expired EP0099973B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4503/82 1982-07-23
CH450382 1982-07-23

Publications (2)

Publication Number Publication Date
EP0099973A1 true EP0099973A1 (fr) 1984-02-08
EP0099973B1 EP0099973B1 (fr) 1985-09-11

Family

ID=4277317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83105255A Expired EP0099973B1 (fr) 1982-07-23 1983-05-27 Etirage pour machine de filature

Country Status (5)

Country Link
US (1) US4509230A (fr)
EP (1) EP0099973B1 (fr)
JP (1) JPS5921727A (fr)
DE (1) DE3360782D1 (fr)
IN (1) IN159551B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322797C (zh) * 2000-07-27 2007-06-20 阿托特希德国有限公司 聚合物材料对金属表面的改进粘合性
CN113388934A (zh) * 2021-06-03 2021-09-14 东台市润生纺机专件有限公司 一种双包芯纱用高精度罗拉

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836936C2 (de) * 1988-10-31 1998-05-20 Mitsuboshi Belting Ltd Kraftübertragungsriemen
DE10348452B4 (de) * 2003-10-17 2008-07-03 Deutsche Institute für Textil- und Faserforschung Stuttgart Streckwerk mit von Riemchen umschlungenen Zwillings-Ausgangsoberwalzen
JP2011127238A (ja) * 2009-12-16 2011-06-30 Murata Machinery Ltd ドラフト装置及びローラユニット
JP2013067871A (ja) * 2011-09-20 2013-04-18 Murata Mach Ltd ドラフト装置及び紡績機
CN107475827B (zh) * 2017-07-31 2019-07-12 东华大学 一种机械式集聚纺纱方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316847C (fr) *
DE918077C (de) * 1951-10-03 1954-09-16 Zinser Textilmaschinen Gmbh Hochverzug-Streckwerk, insbesondere fuer Abfallgarne
US2774995A (en) * 1951-10-26 1956-12-25 Warner Swasey Co High reduction fiber drafting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR800558A (fr) * 1935-09-04 1900-01-01
DE908590C (de) * 1942-04-12 1954-04-08 Hermann Kluftinger Dipl Ing Riemchen-Streckwerk
US2593478A (en) * 1944-09-28 1952-04-22 Dan River Mills Inc Drawing frame assembly
US2382214A (en) * 1944-10-14 1945-08-14 Whitin Machine Works Clearer for roving or spinning frames
US3310845A (en) * 1964-07-17 1967-03-28 Deering Milliken Res Corp Textile drafting arrangement
DE2217314A1 (de) * 1972-04-11 1973-10-25 Bernhard Gort Putzvorrichtung fuer die walzen und/ oder zylinder von streckwerken bei spinnereimaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316847C (fr) *
DE918077C (de) * 1951-10-03 1954-09-16 Zinser Textilmaschinen Gmbh Hochverzug-Streckwerk, insbesondere fuer Abfallgarne
US2774995A (en) * 1951-10-26 1956-12-25 Warner Swasey Co High reduction fiber drafting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322797C (zh) * 2000-07-27 2007-06-20 阿托特希德国有限公司 聚合物材料对金属表面的改进粘合性
CN113388934A (zh) * 2021-06-03 2021-09-14 东台市润生纺机专件有限公司 一种双包芯纱用高精度罗拉

Also Published As

Publication number Publication date
IN159551B (fr) 1987-05-23
JPS5921727A (ja) 1984-02-03
US4509230A (en) 1985-04-09
JPH0340128B2 (fr) 1991-06-18
DE3360782D1 (en) 1985-10-17
EP0099973B1 (fr) 1985-09-11

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