EP0484664A1 - Métier à filer ou à retordre - Google Patents

Métier à filer ou à retordre Download PDF

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Publication number
EP0484664A1
EP0484664A1 EP91116008A EP91116008A EP0484664A1 EP 0484664 A1 EP0484664 A1 EP 0484664A1 EP 91116008 A EP91116008 A EP 91116008A EP 91116008 A EP91116008 A EP 91116008A EP 0484664 A1 EP0484664 A1 EP 0484664A1
Authority
EP
European Patent Office
Prior art keywords
bell
spinning
thread
twisting device
lower edge
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.)
Withdrawn
Application number
EP91116008A
Other languages
German (de)
English (en)
Inventor
Stefan Dipl.-Ing. Krawietz (Th)
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Zinser Textilmaschinen 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 Zinser Textilmaschinen GmbH filed Critical Zinser Textilmaschinen GmbH
Publication of EP0484664A1 publication Critical patent/EP0484664A1/fr
Withdrawn legal-status Critical Current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
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/66—Cap arrangements
    • D01H7/68—Cap constructions

Definitions

  • the invention relates to a spinning or twisting device with a driven spindle receiving a bobbin and a bell arranged coaxially to the spindle and overlapping the bell, which has an axial thread guide channel and a connecting opening connecting this to an outer lateral surface and with one for deflecting a helically over the The lateral surface of the running thread is provided on the lower edge serving the bobbin.
  • a thread is delivered from a drafting system to a freely rotatable bell, in which it is guided to the outside through an axial thread guide channel via a connecting opening connecting it to a lateral surface of the bell.
  • the thread runs helically over the outer surface to a lower edge of the bell, where it is deflected to a spool placed on a driven spindle. Due to the thread friction caused by the wraps on the bell, the bell is dragged along by the thread.
  • the thread tension changes due to the different winding diameter of the bobbin. Tension compensation takes place automatically by changing the wraps and thus the helical shape of the thread around the bell. In particular with coarse yarns or large bobbin weights, unstable can Spinning conditions occur which can lead to the fact that spinning is no longer possible.
  • the invention has for its object to provide a spinning or twisting device of the type mentioned, which ensures stable spinning conditions in any case.
  • the size of the wrap angle ie the number of thread wraps around the bell, changes automatically with the bobbin diameter.
  • the wrap angle becomes larger when spinning on large diameters and smaller when spinning on small diameters.
  • the thread may balloon, if too
  • the centrifugal force acting on the thread is greater than the normal force resulting from the thread tension, which counteracts the centrifugal force.
  • the normal force resulting from the thread tension becomes greater the greater the wrap angle of the thread around the bell.
  • the measure according to the invention limits the mobility of the thread in such a way that an increase in the wrap angle, ie the thread wrap, is possible, but a reduction is limited to at least a small area.
  • the profiling has a plurality of teeth which follow one another in the circumferential direction of the bell, each of which is provided with a steeply rising flank pointing in the direction of rotation of the bell and with a flat rising flank. Since the thread can only slide over the gently rising flank, an increase in the wrap angle is possible, but not a decrease.
  • a thread (4) is delivered from a drafting system into an axial thread guide channel of a bell (1) and is guided to the outside through a connecting opening connecting the thread guide channel with a lateral surface of the bell (1) onto the lateral surface of the bell (1).
  • the thread (4) runs downwards in a helical manner on this lateral surface and is deflected at a lower edge (5) of the bell (1) to a spool (3) arranged on a driven spindle.
  • the bobbin (3) has a bobbin tube (2) on which the thread (4) is wound into a cop.
  • the bell (1) is in the direction of Arrow (14) to a rotary movement about the spindle axis (15) dragged from the thread.
  • the lower edge (5) several tines (8) projecting in an extension of the lateral surface and forming a profile are provided. Eight such tines (8) are distributed over the lower edge (5) at a uniform distance from one another.
  • a prong (8) has a flank (7) which rises steeply to the circumferential direction of the bell (1) and a flank (6) which rises flatly to the circumferential direction.
  • the steeply rising flank (7) points in the direction of rotation of the bell (1), the flatly rising flank (6) against the direction of rotation.
  • a section (9) which connects a flat edge (6) of one tooth (8) with a steep edge (7) of the adjacent finger (8).
  • This section (9) extends circumferentially in a radial plane to the coil axis (15), i.e. it has no gradient.
  • the thread (4) can fluctuate somewhat due to tension fluctuations so as not to cut into the lower edge (5) of the bell (1).
  • the teeth (8) and the sections (9) of the lower edge (5) are rounded.
  • the thread (4) automatically assumes a helical course on the jacket of the bell (1). It automatically "snaps" onto the prong (8), which corresponds to the helical path it takes over the bell (1).
  • the thread (4) can freely adjust its thread path by increasing the wrap angle, ie the wrap around the bell (1), since it is in each case over the flat flanks (6) of the prongs lying in front of it in the direction of rotation (14) (8) can slide. Only a reduction of the thread wrap once taken is not possible, ie it is limited to the area between two successive prongs (8), since the thread (4) is the bell (1) on the steep flank (7) prevents it from advancing in the direction of rotation.
  • the bell (1) according to FIG. 2 has, at a small axial distance of a few millimeters from its lower edge (5), a ring (10) which projects radially outward from the outer surface of the bell (1) and which is provided with nub-like teeth (11). is provided. These prongs (11) also protrude radially outwards from the outer surface of the bell (1).
  • Each prong (11) is provided with a steep flank (12) directed in the direction of rotation (14) and a flat, approximately spiral-shaped flank (13) which extends backwards against the direction of rotation (14). Close the bell (1) in the circumferential direction eight such prongs (11) on each other. As can be seen from Fig. 3, this results in a sawtooth-like profile.
  • the steep flank (12) is essentially radial.
  • the flat flank (13) of the respective prong (11) adjoins the steep flank (12) and runs in a slight curve towards the inside in a slight curve counter to the direction of rotation (14).
  • This ring (10) also ensures that the thread (4) can no longer reduce a thread loop once taken on the bell (1).
  • a change in position of the thread (4) against the direction of rotation (14) always ends on the steep flank (12) of the respective point (11).
  • a possible reduction in the wrap is thus limited to the angular distance between the steep flanks (12) of two successive prongs (11).
  • the wrap and thus the wrap angle can be increased at any time, since the thread (4) can freely adjust its course by sliding over the flat flanks (13).
  • the height of the prongs (8) according to FIG. 1 or the prongs (11) according to FIGS. 2 and 3 is approximately 1 mm.
  • Another advantage of the invention is that by maintaining the once wrapped thread (4) on the bell (1) on the inlet side of the bell (1), only relatively small changes in tension in the thread (4) occur.
  • the thread tension between bell (1) and a preceding drafting system is therefore largely constant, so that largely constant spinning conditions are maintained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP91116008A 1990-11-09 1991-09-20 Métier à filer ou à retordre Withdrawn EP0484664A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4035605 1990-11-09
DE19904035605 DE4035605A1 (de) 1990-11-09 1990-11-09 Spinn- oder zwirnvorrichtung

Publications (1)

Publication Number Publication Date
EP0484664A1 true EP0484664A1 (fr) 1992-05-13

Family

ID=6417911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91116008A Withdrawn EP0484664A1 (fr) 1990-11-09 1991-09-20 Métier à filer ou à retordre

Country Status (3)

Country Link
EP (1) EP0484664A1 (fr)
JP (1) JPH04263628A (fr)
DE (1) DE4035605A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2127776C1 (ru) * 1997-12-01 1999-03-20 Мовшович Павел Михайлович Устройство для кручения и наматывания пряжи
EP0959158A1 (fr) * 1998-05-20 1999-11-24 Vyzkumny ustav bavlnársky Métier à filer à broche

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19841861A1 (de) * 1998-09-14 2000-03-16 Rieter Ag Maschf Spinnmaschine mit rohrförmigem Ballonbegrenzer mit einer Tasche

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE253206C (fr) *
US2500827A (en) * 1946-11-28 1950-03-14 Ira Ickringill And Company Ltd Flyer for spinning frame

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400327A1 (de) * 1984-01-07 1985-07-18 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Glockenspinnvorrichtung
IT1218462B (it) * 1985-12-10 1990-04-19 Cerimates Spa Procedimento e sistema di filatura a limitatore di balloon rotante

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE253206C (fr) *
US2500827A (en) * 1946-11-28 1950-03-14 Ira Ickringill And Company Ltd Flyer for spinning frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2127776C1 (ru) * 1997-12-01 1999-03-20 Мовшович Павел Михайлович Устройство для кручения и наматывания пряжи
EP0959158A1 (fr) * 1998-05-20 1999-11-24 Vyzkumny ustav bavlnársky Métier à filer à broche

Also Published As

Publication number Publication date
JPH04263628A (ja) 1992-09-18
DE4035605A1 (de) 1992-05-14

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