EP3027792A1 - Spinning machine and false twisting device - Google Patents
Spinning machine and false twisting deviceInfo
- Publication number
- EP3027792A1 EP3027792A1 EP14744089.5A EP14744089A EP3027792A1 EP 3027792 A1 EP3027792 A1 EP 3027792A1 EP 14744089 A EP14744089 A EP 14744089A EP 3027792 A1 EP3027792 A1 EP 3027792A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spinning machine
- thread
- belt
- machine according
- drafting
- 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
Links
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
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- 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
- D01H5/28—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by inserting twist during drafting
-
- 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
- D01H7/00—Spinning or twisting arrangements
- D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
- D01H7/923—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of rotating devices
Definitions
- the present invention relates to a spinning machine, in particular
- each unit a drafting system for warping a
- a spinning machine in which a false twisting device is arranged between a drafting device, on which the sliver is warped and a coil, on which the sliver is wound up.
- the false twist device is according to an embodiment of the local disclosure of a single belt, which is driven by a drive device. Upper and lower run of a belt are driven in opposite directions. The yarn contacts the two Riementrums punctiform (Figure 4), when the belts are arranged directly next to each other.
- the straps are spaced apart and extend substantially vertically one above the other in the opposite direction. The thread wraps in this embodiment, the belt with an angle of about 90 °.
- the false twisting device is formed from a single belt.
- the two Beltrums have the same amount of speed, but they are in the opposite direction. While in these embodiments, the influence of the false twist device by different shapes, speeds or arrangements of the two belt spins of the single belt is very limited, is in the further embodiment of Figure 8 or in the
- Embodiment according to Figure 9 a false twisting device provided with two straps.
- the belts are arranged in a circle, wherein the thread is located between the two belts.
- the object of the present invention is to provide a spinning machine and a false twist device with which a plurality of spinning units of a spinning machine can be operated.
- the false twisting device for the spinning machine should be easy to retrofit to an existing
- the quality of the spun yarn should be very good and interruptions due to a thread break should be only a few.
- the object is also that a yarn with high tensile strength and very low rotation per meter can be spun.
- the object is achieved with a spinning machine according to claim 1 and with a false twist device, which can be arranged on such a spinning machine with the features of the corresponding
- the spinning machine according to the invention has a plurality of juxtaposed spinning units.
- a suitable spinning machine is for example, a ring spinning machine.
- Each spinning unit includes a drafting device for warping a sliver and a spinning device for twisting the warped sliver into a yarn. Between the drafting and the spinning device a false twist device is arranged. In particular, the false twist device is arranged between the nip line on the drafting system exit and the spinning device.
- the false twist device has at least one driven belt, which runs essentially transversely to the thread.
- the thread wraps around two opposing Riementrums in particular z- or s-shaped.
- the two opposing beltrums can come from either a single belt or two separate belts. It is essential that they are driven in the opposite direction and thus can bring a twist in the thread.
- the velocity vectors of the belts, which are friction surfaces for the yarn, are substantially opposed to each other and extend approximately transverse to the longitudinal axis in FIG.
- the belt (s) are preferably made of plastic material. They can have different cross sections.
- the belt rums are in particular z- or s-shaped looped around by the thread, so that the two rotate the thread against each other against oppositely directed components of movement of the belt rums. Due to the fact that the two friction surfaces act on both sides of the thread through the Z-shaped or S-shaped looping thread, the twisting of the thread or of its thread becomes
- Kompaktieinnchtung is disposed between the main drafting field of the drafting and the false twist device.
- the Kompaktieinnchtung is arranged either on the pair of output rollers of the drafting system or following the pair of output rollers of the drafting system. Between the Outgoing roller pair and Konnpaktier nails is usually no delay. However, it is not excluded that a slight delay is provided. If the drafting system is assigned a compacting device, then preferably there is a nip line for the
- Looping of the belt through the thread is more than 90 ° per belt.
- the false-twist effect which can thereby be introduced into the thread is thus largely constant.
- the belt rim first contacted by the thread has a distance of between 20 and 130 mm from the nip line.
- the false twist device is then at a distance, ie a radius between 20 and 130 mm away from the compacting device or the nip of the sliver in the compacting device.
- this distance is important in order to ensure efficient rotation up to the spinning triangle.
- the yarn can thereby be spun with high tear strength at very low rotation per meter, ie with a very low twist coefficient. at An arrangement outside this range is more unstable
- the vertical distance of the underside of the first contacted strand from the bottom of the lower output element of the drafting system is between 0 and 80 mm.
- the wrap angle can be more than 90 °.
- this measure also ensures that the false twisting device and the spinning unit are sufficiently accessible, for example, for maintenance work.
- the horizontal distance of the first contacted Riementrums of the lower output element of the drafting system is between 0 and 80 mm. Again, this range of dimensions is chosen such that the accessibility and the wrap of the belt are obtained in an advantageous manner.
- a distance between 0 and 80 mm has been found to be advantageous, while at a
- the dimensions of the vertical and horizontal distance of the first strand contacted by the lower output element of the drafting system refer in each case to conventional components of the drafting and commercially available lower output elements.
- the stretching field plane is the plane passing through the contact lines of the drafting rollers. With the pitch plane inclined by 45 ° to the horizontal, the plane passing through the belt spans is horizontal, and thus horizontal, if the corresponding angle between the belt plane and the stretching field plane is 45 °.
- the thread is guided in such a way and the false twist device is arranged such that it wraps around at least one of the two belt rims by more than 90 °, preferably by more than 110 °.
- the false twist device is arranged such that it wraps around at least one of the two belt rims by more than 90 °, preferably by more than 110 °. This is for example given when the thread is fed obliquely from above the first Riementrum, the second Riementrum lies substantially in the same horizontal plane as the first Riementrum and the thread then further obliquely down from the
- the belt first contacted by the yarn belt of the thread at an angle between 100 ° and 200 °, preferably wrapped between 140 ° and 180 ° and / or the then contacted by the yarn belt runner is of the thread at an angle between 90 ° and 180 °, preferably between 1 10 ° and 140 °.
- the lower output element of the drafting system is preferably a lower cylinder extending over several drafting systems.
- the output element of the drafting system is a
- the Kompaktieinnchtung is thus directly integrated into the drafting system. This allows a small design of the drafting and Kompaktieinnichtung.
- the Kompaktiereinnchtung has in a preferred embodiment, an evacuated Siebriemchen. Above the sieve strap is arranged a pressure roller which clamps the compacted sliver between the pressure roller and the sieve strap.
- the Kompaktieinnchtung also have a sieved screen roller. On the screen roller in turn press rollers, which clamp the fiber ribbon and thus form a nip, from which the distance to the first belt rim is measured.
- the mechanical compressor cooperates with the pair of delivery rollers of the drafting system without the need for suction.
- the pair of output rollers forms the said nip line in this case.
- the invention also relates to a false twisting device with belt and a drive device with the aforementioned features, which is adapted to be grown on a spinning machine to a
- FIG. 1 shows a schematic representation of an inventive false twist device on a spinning unit
- Figure 2 is a schematic representation of a plan view of a
- FIG. 3 shows a schematic illustration of a part of a drafting system and two belt spans in cross section
- Figure 4 is a schematic representation of a portion of a drafting system with a compacting and with the
- Figure 5 is a schematic representation of a part of a drafting system with a further compacting device and with a
- Figure 6 is a schematic representation of a part of a drafting system with a further compacting device and with a
- Figure 7 is a schematic representation of wraps of
- FIG. 1 the schematic representation of a spinning unit 1 of a spinning machine 10 is partially shown.
- An output roller pair 2 of a drafting system 20, not shown here provides a thread 3.
- the thread 3 is a first plastic belt 4 and then a second Plastic belt 5 deflected. Subsequently, the thread 3 passes through a twist stop 6 and a ring traveler 7 and is subsequently wound onto a spool 8.
- the first plastic belt 4 and the second plastic belt 5 form a false twist device 9.
- the first plastic belt 4 and the second plastic belt 5 have an opposite direction of movement.
- FIG. 2 shows the plan view of a spinning machine 10, in which a plurality of spinning units 1 are arranged. Because of
- the two plastic belts 4 and 5 surround the spinning machine 10 such that all spinning units 1 are enclosed by the two belts 4 and 5.
- Each of the belts 4 and 5 is driven with a separate motor 1 1 and 12 and each with a drive roller 15.
- pulleys 13 are arranged.
- the pulleys 13 or other, not shown here devices can be provided for clamping and / or positioning of the belt 4 and 5.
- the belt 4 can not run around the entire machine as shown here, but rather be designed per side of the machine or in sections or for another section.
- the inner belt 5 may also revolve around the entire machine while the outer belt 4 is split.
- the representation of Figure 2 does not represent the entire spinning machine 10, but only a section or other predetermined leg.
- the multiple sections or sections that make up such a spinning machine 10 can then be operated independently of one another with respect to their false twisting device 9.
- other divisions of the belt 3,4 or belt spinner on the spinning machine with a single or multiple individual motors are possible.
- the arrangement of the belts according to Figure 2 is not limited to the present invention. There are several belts for each section possible. These plural belts may relate to both the first belt core 4 and the second belt core 5, so that any structural arrangement of the belts or division of the belts into single belts or common arrangements of a belt is selectable.
- Figure 3 shows a part of a drafting system 20 with a
- Output roller pair 22 forms a nip KL at the contact point of the two rollers of the output roller pair 22.
- the first belt core 4 is spaced from this nip with a radius R.
- the radius R is according to the invention 20 to 130 mm. This area has proven to be particularly advantageous in order to be able to carry out a stable spinning of a yarn.
- the yarn not shown, extends between the Riemchenwalzencruzencrull 21 and further on the nip KL of
- Output roller pair 22 to Riementrum 4 wraps around this and is then placed around the second Riementrum 5, to then be led to the spin stop 6, not shown.
- a range between 0 and 80 mm is provided in the x direction and a range between 0 and 80 mm in the y direction.
- Spinning device is particularly advantageous to accomplish.
- Swirl device 9 defined with respect to the drafting system.
- an arrangement of the two belt rungs 4 and 5 in a horizontal plane thus an optimal arrangement of the twisting device 9 between the drafting 20 and the spinning device is found.
- a drafting system 20 is shown, which is a
- Compacting device 23 has. The sliver runs as well as in Figure 3 between the Riemchenwalzencru 21 and the
- the compacting device 23 has an evacuated apron 23.1 and a pressure roller 23.2. Through the vacuumed apron 23.1, the sliver is compactly summarized and thus ensures a very special yarn characteristic. Between the vacuumed apron 23.1 and the pressure roller 23.2 turn the nip KL is present. Starting from this nip line KL, the first belt core 4 is arranged in the said radius R in a range of 20 to 130 mm. The vertical distance in the x direction is again between 0 to 80 mm. In the vertical y-direction, the distance is provided between 0 to 80 mm from the bottom of the sucked strap 23.1.
- FIG. 5 shows another embodiment of another compacting device in the drafting system 20.
- the compacting device 23 comprises a suction roll 23.3 and two pressure rolls 23.4 and 23.5.
- the suction roller 23.3 is sucked between the two pressure rollers 23.4 and 23.5, so that there the fiber sliver can be konnpaktiert.
- Between the suction roller 23.3 and the pressure roller 23.5 is the nip KL, from which the radius R is measured to the center of the first belt 4. This radius is again between 20 and 130 mm and is essential for the Production of a high quality yarn.
- the connecting device 23 consists of the lower output roller 22.1 of the drafting system 20 as well as two upper pressure rollers 22.2 and 22.3. In the direction of the thread before and after the pressure roller 22.2 two compressors 24.1 and 24.2 are arranged, with which the sliver
- the first belt core 4 is again at a radial distance R from the nip line KL. This radial distance R is between 20 and 130 mm.
- the edges relating to the lower output roller 22.1 and the first belt rim 4 are arranged at a distance X between 0 and 80 mm and at a vertical distance Y between 0 and 80 mm.
- the preferred distances R are between 25 and 130 mm, X between 10 and 80 mm and Y between 0 and 80 mm.
- the preferred distances R are between 25 and 130 mm, X between 10 and 80 mm and Y between 0 and 80 mm.
- Kompaktier recommendations are the preferred distances R between 20 and 130 mm, X between 0 to 80 mm and Y also between 0 to 80 mm.
- FIG. 7 shows the arrangement of the beltroms 4 and 5 with respect to a drafting plane S.
- the two belt rums 4, 5 are arranged in a belt plane R between drafting system 20 and spinning device 10.
- the belt plane R assumes with the drafting plane S an angle ⁇ , which is here about 45 °.
- the drafting plane S is inclined relative to the horizontal H by the angle ⁇ , which is here also 45 °, since the horizontal H and the belt plane R are parallel to each other.
- the wrap angle of the first belt run 4 is denoted by ⁇ , the wrap angle of the second belt run 5 with ß.
- Riementrum 4 of the thread 3 more looped than the then contacted Riementrum 5.
- Angle ⁇ is thus greater than the angle ß. This results in a particularly advantageous and stable spinning process with the generation of a very good and stable thread 3.
- the belt 3 first contacted by belt 3 of the yarn 3 at an angle ⁇ between 100 ° and 200 °, preferably between 140 ° and 180 °. In this embodiment, the angle ⁇ is about 150 °.
- the then contacted by the thread 3 Riementrum 5 is of the thread 3 at an angle ß between 90 ° and 180 °, preferably between 1 10 ° and 140 °, here wrapped about 120 °.
- Sections such as a section.
- the multiple sections or sections that make up such a spinning machine 10 can then be operated independently of one another with respect to their false twisting device 9.
- the pair of output rollers 2 of a drafting system can also be a different component than shown here, with which the thread 3 of the false twisting device 9 is supplied.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Woven Fabrics (AREA)
- Looms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013108092 | 2013-07-29 | ||
PCT/EP2014/065999 WO2015014734A1 (en) | 2013-07-29 | 2014-07-25 | Spinning machine and false twisting device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3027792A1 true EP3027792A1 (en) | 2016-06-08 |
EP3027792B1 EP3027792B1 (en) | 2017-09-06 |
Family
ID=51225549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14744089.5A Not-in-force EP3027792B1 (en) | 2013-07-29 | 2014-07-25 | Spinning machine with false twisting device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3027792B1 (en) |
CN (1) | CN105392931B (en) |
DE (1) | DE102014110499A1 (en) |
WO (1) | WO2015014734A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016105718A1 (en) * | 2016-03-29 | 2017-10-05 | Maschinenfabrik Rieter Ag | Belt for use in a false twisting device of a spinning machine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2908133A (en) * | 1956-08-09 | 1959-10-13 | Clemson Agricultural College O | False twister |
US4365464A (en) * | 1981-01-28 | 1982-12-28 | The United States Of America As Represented By The Secretary Of Agriculture | Apparatus to uniformly control wrapping a filament around the surface of a spun core yarn during ring spinning |
FR2560230B1 (en) * | 1984-02-24 | 1987-12-04 | Asa Sa | PROCESS FOR OBTAINING A FIBER FILE |
US7096655B2 (en) * | 2004-06-02 | 2006-08-29 | The Hong Kong Polytechnic University | Method and apparatus for manufacturing a singles ring yarn |
US20100024376A1 (en) * | 2008-08-04 | 2010-02-04 | The Hong Kong Polytechnic University | Method and apparatus for manufacturing slalom false twisting on ring yarn |
CN103088484A (en) * | 2011-10-31 | 2013-05-08 | 上海市毛麻纺织科学技术研究所 | Combined friction false twister device of ring spinning frame |
CN103215704B (en) * | 2013-04-09 | 2016-02-17 | 东华大学 | A kind of ring spinning apparatus and method carrying pre-twister |
-
2014
- 2014-07-25 WO PCT/EP2014/065999 patent/WO2015014734A1/en active Application Filing
- 2014-07-25 EP EP14744089.5A patent/EP3027792B1/en not_active Not-in-force
- 2014-07-25 DE DE102014110499.4A patent/DE102014110499A1/en not_active Withdrawn
- 2014-07-25 CN CN201480041996.9A patent/CN105392931B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2015014734A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2015014734A1 (en) | 2015-02-05 |
DE102014110499A1 (en) | 2015-01-29 |
EP3027792B1 (en) | 2017-09-06 |
CN105392931B (en) | 2018-01-23 |
CN105392931A (en) | 2016-03-09 |
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