EP2283176A1 - Falschdrallaggregat - Google Patents
FalschdrallaggregatInfo
- Publication number
- EP2283176A1 EP2283176A1 EP09753806A EP09753806A EP2283176A1 EP 2283176 A1 EP2283176 A1 EP 2283176A1 EP 09753806 A EP09753806 A EP 09753806A EP 09753806 A EP09753806 A EP 09753806A EP 2283176 A1 EP2283176 A1 EP 2283176A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- disc
- discs
- unit according
- thread
- groove
- 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
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/04—Devices for imparting false twist
- D02G1/08—Rollers or other friction causing elements
- D02G1/082—Rollers or other friction causing elements with the periphery of at least one disc
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/04—Devices for imparting false twist
- D02G1/06—Spindles
Definitions
- the invention relates to a false twist unit for false twisting according to the preamble of claim 1.
- False twist units are components of false twist texturing machines. They are known as transverse to the thread running direction Frikomsfalschdrallaggregate over which the thread to be swirled is guided in such a loop that acts transversely to the thread running direction frictional force on the thread. Moreover, it is known to clamp the thread between two swirlers.
- Friction false twisting units contain rotating, mutually arranged and partially overlapping swirl disks, through which a thread to be swirled is guided through the gusset forming due to the overlap.
- the swirl discs are arranged so that the thread is not clamped between the swirl discs.
- the thread tension prevents the thread from slipping between the rotating swirl disks.
- the basic principle is shown in the published patent application DE 2 317 630. Developments contain disc stacks, which are provided on three axes arranged in a triangle parallel to each other. The thread to be twisted while running helically through the central axis of the three axes.
- These units are known, for example, from the patent EP 1 664 406 B1. It is also known to have a disk cooperate with a grooved disk to increase the wrapping, as known from US Pat. No. 3,921,379.
- Clamping false twist units clamp the thread between two bodies, of which at least one is elastic. These may be two intersecting belts or two staggered elastic disks which exert counteracting motion components on the yarn at the point of clamping and him like that.
- a conveyor component is provided in the thread running direction.
- a thread-clamping friction unit is the patent application DE 29 52 305 Al call.
- the friction false twist units generally have the risk that the frictional force is insufficient to twist the thread. This leads to a slippage of the thread, the so-called Surging.
- the two counter-rotating swirl diverters can touch each other over a large area, which leads to increased wear.
- a false twisting unit in which a larger central disk arranged as a twist distributor cooperates with a plurality of smaller discs arranged axially parallel to the central disk in such a form that the threads running essentially parallel to the axes are twisted by the disks become.
- one of the disks has a groove on its outer circumference and thus forms a grooved disk.
- the cooperating with this groove disc swirl divider is designed as a disc which projects into the groove of the grooved disc.
- both the groove and the outer shell of the disc are rounded in their cross section.
- a pressing means presses the disc against the grooved disc so that a very narrow gap between the surfaces remains, so that on the one hand not rub the surfaces together, on the other hand, the thread is clamped between the surfaces.
- the radii of the groove and the disc are matched in cross-section so that the clamping point is located in the groove bottom.
- the axially parallel thread is thereby guided over the outer surface of the disc and over the flanks of the grooved disc, that an additional twist is exerted on the thread.
- the false twist unit has a plurality of groove disks arranged in the axial direction.
- a grooved disc has a plurality of grooves, wherein each groove is assigned to one pulley per thread run or a disk is used per thread run, which contains one or more grooves, so that the resulting flanks cooperate according to the invention with the grooves of the grooved disc ,
- each thread is twisted by the central disk and two further disks.
- the three slices are overlapping in face Direction of flow arranged one behind the other.
- a drive means rotates discs in the same direction and at the same peripheral speed. Since several threads are twisted from the central disk, the central disk is surrounded by several disk pairs.
- the two further discs are driven in a drive variant via an intermediate gear through the central disc.
- the two further disks are driven by belts from the central disk.
- a plurality of central disk discs are arranged axially one behind the other, each of which has the same thread.
- FIG. 1 the top view of a variant of the false twist aggregate according to the invention
- Figure 2 A sectional view of a variant of the invention
- FIG. 5 the plan view of another variant of the false twist unit according to the invention.
- FIG. 6 shows the plan view of the variant from FIG. 5 in another embodiment
- Figure 7 The top view of the variant of Figure 5 with alternative drive.
- Figure 8 The side view of the variant of Figure 5 in another embodiment.
- FIG. 1 shows a plan view of the false twist unit according to the invention. It acts a central disk 1 with several discs 4 together so that multiple threads 6 can be twisted with a false twist unit. A larger in comparison to the discs 4 central disc makes it possible to provide a plurality of discs 4 on the circumference of the central disc 1 and thus a plurality of threads 6 at the same time.
- the false twist unit according to the invention is shown in section.
- the grooved disc 1 has on its outer circumference a circumferential groove 2.
- the disc 4 protrudes, so that in the groove bottom of the groove 2, a narrow gap 11 is formed.
- Essentially parallel to the Nutusionnachse 3 and the disk axis 5 of the yarn 6 is guided by the yarn guides 7 and 8, that this runs through the gap 11 and is clamped there between the grooved disk 1 and the disk 4.
- the thread is twisted.
- An additional twist experiences the thread during overflow over the curvature of the disc 4 and over the two edges of the grooved disc. 1
- a bearing 9 of the disc 4 and a pressing means 10 allow the exact positioning of the disc axis 5 relative to the Nutusionnachse 3, so that the desired gap 11 sets.
- Figure 3 shows a development of the false twist unit according to the invention.
- a grooved disc 1 with two grooves 2 and two axially successively arranged discs 4 achieved a better swirl effect.
- This solution is analogous to an arrangement of two separate grooved disks 1 axially one behind the other. It is useful to provide only a gap 11 in this arrangement, since it is sufficient to clamp the thread in only one point.
- no thread guide between the two discs 4 can be provided here, which ensures that the thread 6 is guided in both grooves 2 through the gap 11.
- Figure 4 An alternative to the development in Figure 3 is shown in Figure 4.
- the two discs of Figure 3 are combined into a disc 4 whose two flanks cooperate with the two grooves 2 of the grooved disc 1.
- Figure 5 shows an alternative embodiment of the invention.
- a plurality of pairs of disks 4, 4 ' arranged, wherein the discs 4, 1, 4' in the direction of the perpendicular to the plane extending thread 6 in a row and are arranged overlapping each other in the form that the thread 6 helically between the discs 4, 1, 4 'is passed.
- a drive means 12 causes the discs 4, 1, 4 'are driven to rotate in the same direction.
- each disk pair 4, 4 'in conjunction with the common central disk 1 is a texturing agent for one yarn path 6.
- the drive means 12 consists of a below the central disk and directly connected to the central disk 1, 12.1 that may be, for example, a gear or friction wheel. This drive wheel drives via an intermediate gear 12.2 the pairs of discs 4, 4 '. For this purpose, the discs 4, 4 'drive wheels 12.3, which are also directly connected to the discs 4, 4'.
- Figure 6 shows a variant of the embodiment of Figure 5, in which the pairs of discs 4, 4 'are arranged completely around the central disc 1.
- the particular advantage of this variant is that the twisting direction of the thread 6 can be easily changed by reversing the direction of rotation of the drive means 12 and the yarns to be swirled are assigned to a yarn path 6 'between two adjacent pairs of disks 4, 4'.
- FIG. 7 shows a variant of the device shown in FIG. 5, in which the drive takes place instead of the tooth or friction disc by a circulating belt 13.
- driven gear 12.3 and drive wheel 12.1 are designed as a pulley.
- Deflection rollers 14 ensure the necessary for the transmission of forces wrap around the input and output wheels.
- disk pairs 4, 4 'arranged here in each case as disk stacks are arranged around a central disk 1, likewise arranged as a disk stack, in this arrangement so that in each case one disk pair 4, 4 'cooperates with the central disk 1.
- the disk stack is included according to the invention. For reasons of clarity, only two pairs of disks 4, 4 'are shown here.
- the large central disk 1 with the axle 3 and the drive wheel 12.1 is arranged centrally.
- the drive wheel 12.1 drives a plurality of disk pairs 4, 4 'via one intermediate wheel each. Due to the overlapping of the discs 1, 4 and 4 'shown in FIG. 5, the threads 6 in the form shown run helically through the device. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008026343 | 2008-05-31 | ||
PCT/EP2009/056029 WO2009144151A1 (de) | 2008-05-31 | 2009-05-18 | Falschdrallaggregat |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2283176A1 true EP2283176A1 (de) | 2011-02-16 |
EP2283176B1 EP2283176B1 (de) | 2012-08-01 |
Family
ID=40848832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09753806A Not-in-force EP2283176B1 (de) | 2008-05-31 | 2009-05-18 | Falschdrallaggregat |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2283176B1 (de) |
JP (1) | JP5306453B2 (de) |
CN (1) | CN102007237B (de) |
WO (1) | WO2009144151A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109402812A (zh) * | 2019-01-02 | 2019-03-01 | 绍兴华晶科技有限公司 | 一种多孔陶瓷假捻盘组件 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921375A (en) * | 1974-02-25 | 1975-11-25 | Nat Factors | Tomato harvesting header attachment for potato combine |
JPS597808B2 (ja) * | 1976-04-10 | 1984-02-21 | 東レ株式会社 | 仮撚装置 |
JPS5921974B2 (ja) * | 1976-05-26 | 1984-05-23 | 東レ株式会社 | 仮撚装置 |
JPS5921975B2 (ja) * | 1976-06-30 | 1984-05-23 | 東レ株式会社 | 嵩高ノントルク糸の製造方法 |
JPS5361748A (en) * | 1976-11-12 | 1978-06-02 | Teijin Ltd | Friction falseetwisting apparatus |
JPH1121731A (ja) * | 1997-07-03 | 1999-01-26 | Teijin Seiki Co Ltd | 仮撚装置 |
WO2000034558A1 (fr) * | 1998-12-07 | 2000-06-15 | Teijin Seiki Co., Ltd. | Dispositif fausse-torsion a friction, triaxial et motorise |
CN2383853Y (zh) * | 1999-07-22 | 2000-06-21 | 无锡纺织机械专件厂 | 摩擦式假捻器 |
CN2560652Y (zh) * | 2002-06-23 | 2003-07-16 | 江苏宏源纺机股份有限公司 | 摩擦式假捻装置 |
JP4818004B2 (ja) * | 2006-07-14 | 2011-11-16 | 帝人ファイバー株式会社 | 制電性ポリエステル仮撚加工糸及びその製造方法 |
TW200819569A (en) * | 2006-07-14 | 2008-05-01 | Teijin Fibers Ltd | Antistatic polyester false twist yarn, process for producing the same, and antistatic special composite false twist yarn including the antistatic polyester false twist yarn |
-
2009
- 2009-05-18 CN CN2009801137776A patent/CN102007237B/zh not_active Expired - Fee Related
- 2009-05-18 WO PCT/EP2009/056029 patent/WO2009144151A1/de active Application Filing
- 2009-05-18 JP JP2011510944A patent/JP5306453B2/ja not_active Expired - Fee Related
- 2009-05-18 EP EP09753806A patent/EP2283176B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2009144151A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102007237A (zh) | 2011-04-06 |
JP2011522131A (ja) | 2011-07-28 |
JP5306453B2 (ja) | 2013-10-02 |
CN102007237B (zh) | 2012-09-26 |
EP2283176B1 (de) | 2012-08-01 |
WO2009144151A1 (de) | 2009-12-03 |
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