EP0921218A1 - Drehkörper - Google Patents
Drehkörper Download PDFInfo
- Publication number
- EP0921218A1 EP0921218A1 EP98122205A EP98122205A EP0921218A1 EP 0921218 A1 EP0921218 A1 EP 0921218A1 EP 98122205 A EP98122205 A EP 98122205A EP 98122205 A EP98122205 A EP 98122205A EP 0921218 A1 EP0921218 A1 EP 0921218A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- groove
- rotating body
- area
- end surfaces
- rotary body
- 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
Images
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
- D02G1/06—Spindles
Definitions
- the invention relates to a rotating body with a lateral surface and end faces and a Use for that.
- Such a rotating body is known for example from DE 25 08 567 and in particular as a rotating tube for the generation of so-called false twist in a device for Texturing of textile yarns known.
- the yarn passes through the rotating tube in its Longitudinal direction, but is over a mandrel arranged approximately in the middle of the tube led around. If you now turn the rotating tube, the yarn is twisted. To thread or insert the yarn before texturing, the yarn must be on one The face of the rotating tube is inserted into an axial hole, once wrapped around the mandrel and run again.
- the invention as characterized in the claims, therefore achieves the object to create a rotating body into which a test specimen or elongated product is very can be easily inserted, which can also be used for automated insertion of the test specimen or product and with which a high-grade swirl can be given.
- the task is solved with a rotating body that has a groove for the test body or the elongated product to be processed, which is subsequently for the sake of simplicity is always referred to as a test specimen, into which the test specimen is inserted from the outside can be.
- the deflection of the test body from the longitudinal axis of the rotating body happens either through the design of the groove itself, or through specially provided Elements such as pins, webs, drivers, etc.
- the groove is preferably against the The lateral surface and the end faces open and has a variable, in the area of End faces greater and less deep in the area of the lateral surface.
- Rotary body can be produced by relatively simple steps and therefore not very much is expensive. It is also suitable for the automatic insertion of the test specimen because it is can penetrate into the outer surface.
- the test specimen can also in its Be moved in the longitudinal direction, which means that such a rotating body to one running process can be switched on later. With such rotating bodies very high degrees of swirl distribution can be achieved because there is a so-called swirl backflow, that extends beyond the rotating body. With the rotating body according to the invention the amount of twist can also be easily adjusted. This happens by the tension of the test body, the speed of the rotating body and possibly also other influencing factors such as the shape of the groove or the shape of the means for deflecting one another be coordinated.
- Fig. 1 shows the rotating body 1 with its cylindrical surface 2 here and flat end faces 3 and 4.
- a groove 5, 6 can be seen here from its open side. It stretches from the end face 3 to the end face 4.
- the lateral surface 2 has in the region of the end surface 3, 4 a distance 21 from the longitudinal axis 8, which is greater than a distance 20, as in a section 22 further away from the end faces 3 and 4 can be measured. This creates 2 shoulders 29 and 30 on the lateral surface.
- Fig. 2 shows the same rotating body 1 from a direction that in comparison to the direction Fig. 1 is rotated by 90 °.
- the groove 6 is bounded here laterally by levels 9 and 10 and the groove 5 by levels 11 and 12.
- the levels 9 and 10 are at an angle 13 and the levels 11 and 12 inclined by an angle 14 against the end faces 4 or 3.
- These levels are 9 through 12 also inclined against the lateral surface 2 and close an angle with it, for example 15 a. If one assumes that the line 16 here is a plane of symmetry of the rotating body 1 represents, so you can see here that the levels 9, 10, 11 and 12, the end faces 4, 3 in Cut areas of this plane of symmetry 16.
- groove 3 again shows the rotating body 1 in a perspective view.
- the groove here the groove 6 is in the area of the end face 4 to the area of Longitudinal axis 8 extends into the rotating body 1 or even beyond can.
- the groove 6 in a region 17 of the lateral surface 2, the groove 6 is not very deep, what This shows that a side wall 18 of the groove 6 has a very low height.
- the In this area 17, groove 6 also merges into groove 5, which here in particular has a Web 19 happens, which here is part of the groove 5, 6 but is the actual means of deflection of the test specimen.
- the grooves 5 and 6 are slightly offset from one another.
- Fig. 4 shows the rotary body 1 from another side, from which a further third and fourth groove 23, 24 can be seen. These are arranged symmetrically to the grooves 5 and 6 and serve to avoid unbalance, i.e. mass balancing. It is clear that the Rotary body can also be balanced by other means, so that the grooves 23, 24th are not necessary.
- FIG. 5 shows a device 25 for supporting and driving the rotating body 1 in particular two friction wheels or friction wheel pairs 26 and 27 with a drive 28.
- the Rotary body 1 rests on the friction wheel pairs 26, 27 and is then over the shoulders 29, 30 centered in its longitudinal direction.
- the rotating body 1 is transversely to the longitudinal direction Magnets 31, 32 pressed onto the friction wheel pairs 26, 27.
- magnets 31, 32 could the rotating body but also by a third pair of wheels, not shown here, or another Means are pressed onto the friction wheel pairs 26, 27.
- the mode of operation of the invention is as follows:
- the longitudinally moved test body 7 ' here for example a yarn, is guided from the outside against the outer surface 2 of the rotating body 1, so that the testing body 7' is deflected by the rotating body 1.
- the rotating body 1 is set in rotation by the friction wheel pairs 26, 27, the test body 7 'preferably being additionally guided laterally.
- the groove 5, 6 appears next to the test specimen 7 ', it is drawn into the groove 5, 6 and thus into the rotary body 1 by the rotary movement and by its own longitudinal movement, so that the test specimen 7' now assumes the position of the test specimen 7 .
- the test specimen 7 now runs through the groove 5, 6, being deflected from the longitudinal axis 8 at a point by approximately a distance 20.
- the test specimen 7 rotates in an area 33 (FIG. 1) outside of the rotating body 1.
- the area 33 lies before the entry into the rotating body 1, which means that the test body 7 moves in the direction of an arrow 34.
- the aforementioned rotation of the test body 7 before entering the rotating body can at continuous measurement of properties of the test specimen may be desirable. Therefore can such rotating bodies not only when processing filaments, for example, but also when measuring filaments, yarns and other longitudinally moving test specimens be used.
- the rotating body 1 can thus for measuring purposes and for processing of yarns, filaments, etc.
- Fig. 6 shows a basic body 35 for a rotating body, which is also suitable for between the friction wheel pairs 23, 24 of the device according to FIG. 5.
- the friction wheel pairs would possibly have to be at a greater distance since they are on Shoulders 36, 37 of the rotating body would have to attack.
- this base body 35 has a groove that upgrades it to the rotating body.
- Fig. 7 shows a straight, non-offset, cylindrical rotating body 38, the groove here not visible, but is still there.
- Fig. 8 shows a rotating body 39 which has two conical lateral surfaces 40 and 41, the intersect in a circle 42.
- a groove 43 is provided, which is passed through by the test material so that it is deflected and by the rotation of the rotating body 39 is rotated about its axis 46.
- This rotating body 39 works with two stationary rings 44 and 45 arranged for this purpose, which hold the test material in the region of the axis 46 center.
- this means 49 can consist in that the base 50 of the groove 48 extends from a point 51 in the area of the lateral surface 54 deepened towards the end faces 52, 53 and thus the test material against the outer surface 54 deflects.
- Fig. 11 shows a rotating body 55 with a straight groove 56, one in the direction of the lateral surface 57 has deflected region 58. This area 58 is also from FIG. 12 evident. It can be seen in FIG. 11 that the groove 56 extends to the axis 59. Here too a means 60 for deflecting the test material into the area of the lateral surface is provided, so that the test material is rotated by the rotation of the rotating body 55.
- Fig. 13 in turn shows a straight, only groove 61 and Fig. 14 shows the same groove in one Chicane 62 is installed. Since the groove 61 does not reach the center here, the test material deflected along the entire length of the groove 61 and rotated by the rotation of the rotating body.
- FIG. 15 shows a spiral groove 63 and FIG. 16 shows an arcuate groove 64.
- the two grooves 63, 64 extend to the center, so that the mode of operation of the 13 and 14 corresponds to the rotating body.
- FIG. 17 shows a further embodiment of a rotating body 65 with two short grooves 66, 67 as well as with an optional driver 68 for the test material. Because the shape of the Grooves 66, 67 is not such that the test material on the end faces 70 in the region of the axis 69 is held, the known axially arranged rings 71, 72 are provided.
- FIGS. 18 and 19 show a rotating body 73 with a spiral groove 74 and a bore 75.
- the groove 74 only serves to insert the test material from the lateral surface into the Bore 75, wherein a pin 76 is arranged in the bore 75, around which the test material is guided is. As a result, the test material is deflected out of axis 77.
- rings 78, 79 mounted outside of the rotating body 73.
- FIGS. 18 and 19 show a rotating body 80 corresponding to FIGS. 18 and 19 with the difference, that two, eccentrically aligned drivers 82, 83 are arranged in the bore 81 are that deflect the test material.
- FIG. 22, 23 and 24 show a rotating body 84 with two conical inner surfaces 85, 86. Close At the entrance 87, a pin 88 is inserted into the rotating body 84, on which a displacer 89 is pivotally mounted. A termination piece 90 prevents the displacer 89 can move axially on the pin 88. In operation, the test specimen is replaced by the displacement body 89, which swings out under the influence of centrifugal force, against the inner surface 86 pushed and slightly clamped, so that the now known twist of the test specimen arises.
- the rotating bodies shown are suitable for elongated ones Test specimens that are moved longitudinally so that the twist is caused by the rotary movement of the Rotating body and the longitudinal movement of the test material is influenced. All of these rotating bodies are also suitable for imparting twist to the test material in terms of processing, which means that the test material mentioned here is then an intermediate product or in the rotating body of the preliminary product processed to the product.
Abstract
Description
Der längsbewegte Prüfkörper 7', hier beispielsweise ein Garn, wird von aussen gegen die Mantelfläche 2 des Drehkörpers 1 geführt, so dass der Prüfkörper 7' durch den Drehkörper 1 ausgelenkt wird. Dann wird der Drehkörper 1 durch die Reibradpaare 26, 27 in Drehung versetzt, wobei der Prüfkörper 7' vorzugsweise zusätzlich seitlich geführt wird. Sobald die Nut 5, 6 neben dem Prüfkörper 7' auftritt, wird dieser durch die Drehbewegung und durch die eigene Längsbewegung in die Nut 5, 6 und damit in den Drehkörper 1 hineingezogen, so dass der Prüfkörper 7' nun die Stellung des Prüfkörpers 7 einnimmt. Der Prüfkörper 7 durchläuft nun die Nut 5, 6 wobei er aus der Längsachse 8 an einer Stelle um etwa einen Abstand 20 ausgelenkt wird. Dies führt dazu, dass der Prüfkörper 7 sich in einem Bereiche 33 (Fig. 1) ausserhalb des Drehkörpers 1 verdreht. Der Bereich 33 liegt vor dem Eintritt in den Drehkörper 1, was bedeutet, dass sich der Prüfkörper 7 in der Richtung eines Pfeiles 34 bewegt.
Claims (10)
- Drehkörper (1) mit einer Mantelfläche (2) und zwei Stirnflächen (3, 4), gekennzeichnet durch eine gegen die Mantelfläche offene Nut (5, 6), die einen Prüfkörper (7) aufnimmt und durch Mittel (5, 6, 19) zur Auslenkung des Prüfkörpers.
- Drehkörper nach Anspruch 1, dadurch gekennzeichnet, dass die Nut einen Zugang zu den Mitteln bildet, gegen die Stirnfläche offen ist und mindestens teilweise gegen eine Achse (8) des Drehkörpers hin verläuft.
- Drehkörper nach Anspruch 1, dadurch gekennzeichnet, dass als Nut eine erste Nut (5), die längs einer ersten Ebene (11, 12) verläuft und eine zweite Nut (6), die längs einer zweiten Ebene (9, 10) verläuft vorgesehen sind und beide Ebenen sowohl zueinander wie auch zu den Stirnflächen geneigt sind.
- Drehkörper nach Anspruch 3, dadurch gekennzeichnet, dass die erste Ebene die eine Stirnfläche und die zweite Ebene die andere Stirnfläche im Bereiche einer Symmetrieebene (16) schneidet.
- Drehkörper nach Anspruch 3, dadurch gekennzeichnet, dass die erste und die zweite Nut sich im Bereiche der Stirnfläche von der Mantelfläche bis in den Bereich einer Längsachse des Drehkörpers erstreckt und dass dieselbe Nut sich in einem Bereiche (17) der Mantelfläche in vergleichsweise geringem Mass aus der Mantelfläche (2) in den Drehkörper hinein erstreckt.
- Drehkörper nach Anspruch 5, dadurch gekennzeichnet, dass die erste Nut (5) im Bereiche der Mantelfläche in die zweite Nut (6) übergeht und dass die Tiefe der ersten und der zweiten Nut sich zwischen den Stirnflächen und der Mantelfläche stetig verringert.
- Drehkörper nach Anspruch 2, dadurch gekennzeichnet, dass die Mantelfläche im Bereiche der Stirnflächen einen grösseren Abstand (21) von der Längsachse aufweist.
- Drehkörper nach Anspruch 3, dadurch gekennzeichnet, dass eine dritte und eine vierte Nut (23, 24) je längs einer parallelen Ebene zu der ersten und der zweiten Nut vorgesehen ist.
- Verwendung des Drehkörpers nach Anspruch 1, zum Verdrehen von langgestreckten, durchlaufenden Prüfkörpern (7).
- Verwendung nach Anspruch 9, dadurch gekennzeichnet, dass der Prüfkörper ein Garn ist und dass das Garn zur Messung seiner Eigenschaften durch den Drehkörper verdreht wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH278097 | 1997-12-03 | ||
CH278097 | 1997-12-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0921218A1 true EP0921218A1 (de) | 1999-06-09 |
EP0921218B1 EP0921218B1 (de) | 2002-08-14 |
Family
ID=4241430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98122205A Expired - Lifetime EP0921218B1 (de) | 1997-12-03 | 1998-11-23 | Drehkörper |
Country Status (5)
Country | Link |
---|---|
US (1) | US6155037A (de) |
EP (1) | EP0921218B1 (de) |
JP (1) | JP4352357B2 (de) |
CN (1) | CN1131841C (de) |
DE (1) | DE59805177D1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2948579B1 (de) | 2013-01-25 | 2016-11-09 | DSM IP Assets B.V. | Verfahren zur herstellung eines gezogenen multifilamentgarns |
USD827682S1 (en) * | 2016-12-02 | 2018-09-04 | Carpet Industry Clearinghouse, Inc. | False twist block assembly |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL283673A (de) * | 1900-01-01 | |||
DE2508567A1 (de) * | 1974-04-05 | 1975-10-23 | Heberlein & Co Ag | Drehroehrchen fuer falschdrallvorrichtungen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2622510A1 (de) * | 1975-06-16 | 1976-12-30 | Heberlein & Co Ag | Verfahren und vorrichtung zur texturierung von textilgarnen aus thermoplastischem material durch friktions-falschdrallerteilung |
US4027467A (en) * | 1976-06-04 | 1977-06-07 | Smith Joseph F | Uniroll false twist device and method |
DE2854378A1 (de) * | 1978-01-12 | 1979-07-19 | Heberlein & Co Ag | Vorrichtung zur texturierung von textilgarnen aus thermoplastischem material durch friktions-falschdrallerteilung |
-
1998
- 1998-11-23 EP EP98122205A patent/EP0921218B1/de not_active Expired - Lifetime
- 1998-11-23 DE DE59805177T patent/DE59805177D1/de not_active Expired - Lifetime
- 1998-11-25 JP JP37523598A patent/JP4352357B2/ja not_active Expired - Fee Related
- 1998-12-02 US US09/203,345 patent/US6155037A/en not_active Expired - Lifetime
- 1998-12-03 CN CN98127193A patent/CN1131841C/zh not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL283673A (de) * | 1900-01-01 | |||
DE2508567A1 (de) * | 1974-04-05 | 1975-10-23 | Heberlein & Co Ag | Drehroehrchen fuer falschdrallvorrichtungen |
Also Published As
Publication number | Publication date |
---|---|
JPH11247037A (ja) | 1999-09-14 |
JP4352357B2 (ja) | 2009-10-28 |
CN1237531A (zh) | 1999-12-08 |
EP0921218B1 (de) | 2002-08-14 |
DE59805177D1 (de) | 2002-09-19 |
US6155037A (en) | 2000-12-05 |
CN1131841C (zh) | 2003-12-24 |
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