EP0725850A1 - Fadenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung - Google Patents
Fadenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannungInfo
- Publication number
- EP0725850A1 EP0725850A1 EP94930931A EP94930931A EP0725850A1 EP 0725850 A1 EP0725850 A1 EP 0725850A1 EP 94930931 A EP94930931 A EP 94930931A EP 94930931 A EP94930931 A EP 94930931A EP 0725850 A1 EP0725850 A1 EP 0725850A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- braking surface
- delivery device
- counter
- storage body
- thread
- 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
- 239000004753 textile Substances 0.000 title claims abstract description 8
- 230000001788 irregular Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000009940 knitting Methods 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229920002457 flexible plastic Polymers 0.000 claims 1
- 230000000295 complement effect Effects 0.000 abstract 3
- 238000004804 winding Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000014277 Clidemia hirta Nutrition 0.000 description 1
- 241000069219 Henriettea Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
- D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed
Definitions
- the invention relates to a thread storage and delivery device for textile machines with primarily irregular thread consumption, such as knitting and warp knitting machines which pattern, jacquard, curl, plate, oscillate and e.g. are semi - or fully plushable, with a storage body (9) on which the thread (3) to form a storage roll (8) can be wound tangentially and then overhead, i.e. is axially removable, the thread between the annular or circular end face (9 ') of the storage body and the ring - or circular, in the same direction and at least the same speed, axially displaceable counter-braking surface (10) Braking is slowed down so that the thread take-up tension can be set to the required value regardless of the thread consumption of the textile machine and remains constant over long distances.
- the storage capacity required for this is automatically replenished again and again by an arrangement for the required speed control of the storage body drive, which is not explained here.
- Known devices of this type generally have the disadvantage that the thread drawn off from the storage body in the axial direction prevents any lifting or flying away from the storage body by any annular arrangement loosely seated on the storage body (metal ring, plastic ring, comb-like plastic ring, brushes and the like) is, however, can not produce the desired and required for a correct knitting process thread pull-in tension of the thread on the respective knitting system on the machine). Rather, the thread runs from the storage body at a considerably lower tension than it is usually fed to the storage body. An additional thread brake between the storage device and the knitting machine must then provide the final and, above all, knitting-appropriate infeed tension on the system of the knitting machine.
- a thread storage and delivery device for textile machines is known (German patent specification 1 635 899), equipped with a winding body on which the thread can be tangentially wound to form a thread supply and from which it can then be pulled off axially, namely through a so-called ring traveler. which runs around a flange at the head end of the winding body.
- ring traveler which runs around a flange at the head end of the winding body.
- the object of the invention is therefore to provide a thread storage and - delivery device of the type described above, which has the desired features, is simple in structure and function and also works reliably in all areas of use intended for this purpose.
- This object is achieved in that the The thread (3) to be processed when axially withdrawing from the storage body (9) is more or less clamped or braked by means of a second annular or circular braking surface (10) on its annular or circular end face or head side (9 '), which is arranged to be displaceable parallel to the former and, moreover, preferably executes the same relative rotary movement as the storage body (9) at any desired time.
- the invention is based on the idea of combining the completely different functions such as a device for preventing balloon formation and that of an ideal, continuously adjustable thread brake in a relatively simple construction, the other essential features of a thread delivery device which can be used practically anywhere being taken into account
- the counter-braking surface which is arranged parallel to the storage body and executes the same relative rotational movement as this at any point in time, the aforementioned functions are essentially already fulfilled
- the counter-braking surface (10) consists of a thin and flexible disc be made of a wear-resistant material and slightly larger in diameter than the end face of the storage body (9 '), by means of a further pressure-elastic disc (11), which itself is attached to a rotatable, stable, low-mass retaining disc (12) together with the hub (13), as required more or less pressed against the end face
- the thread (3) which is now clamped by the two braking surfaces depending on the contact pressure, is drawn off via the center of the counter-braking surface (10) .
- the counter-braking surface has, for example, a ceramic eyelet (25) in its center, which also has the task of centering the flexible counter-braking surface.
- the entire structure is centric and flat via a hollow shaft (17), which serves for unimpeded thread withdrawal in both planes to the storage body or its braking surface (9 '), rotatable and displaceable in parallel, mounted.
- the counter braking surface consists only of a more stable disc, which has, for example, a ceramic eyelet in its center and is attached to the hollow shaft via a hub.
- This embodiment entails a more critical thread tension adjustment.
- Thread guide means (5, 6, 7) associated with the storage body are advantageously connected fixed to the device chassis (2), the functional block with the counter-braking surface is therefore preferably displaceable on a in the longitudinal axis of the storage body Carriage (26) mounted.
- the device according to the invention works as follows: Before starting the knitting machine, switch off the device with switch (24).
- the thread (3) to be processed is threaded through the eyelet (5), the thread brake (6), the eyelet (7) and then transversely between the front side of the storage body (9 * ) and the counter braking surface (10) beyond the center and the ceramic eyelet (25), pushed approximately into the rear third.
- a threading aid the thread is pulled through the hollow shaft (17) and attached to the For the first winding of a supply or storage reel (8), it is advantageous if there is a small loop on both the thread inlet and outlet side and a slightly higher clamping effect of the two braking surfaces.
- FIG. 1 is a side view of a device according to the invention in the housing
- FIG. 5 shows a vertical section through another embodiment of a counter braking surface
- FIG. 6 shows a vertical section through a further embodiment of a counter braking surface
- FIG. 8 shows a partially cut-open storage body with storage roll in a side view together with a further embodiment of a counter braking surface in vertical section
- Fig. 9 is a side view of another exemplary embodiment, partially in longitudinal section, with a common drive motor for both storage body and counter braking surface.
- Figures 1 and 2 show an overall view of the device once with and once without various housing covers from the side.
- This type of device is usually used with the aid of a holding bracket (1) on a holding rod, which usually has space for several devices, and the is in turn attached to the knitting machine, mounted near the knitting point to be supplied.
- the thread run through the device can be followed well: the incoming thread (3) is brought tangentially to the storage body (9) by means of the inlet end (5), the thread brake (6) and the guide end (7) a number of turns to form a storage roll (8).
- the thread is then passed or clamped between the front braking surface (9 ') of the storage body (9) F and the counter braking surface (10), and over the centrally located ceramic jug (25) and the
- FIG. 8 also shows a centrally mounted compression spring (11 '), which has the task of increasing or increasing the contact pressure of the counter braking surface (10) with the front braking surface (9') F of the accumulator body (9) to stabilize.
- the sliding carriage (26) on which the motor (14) for the counter-braking surface (10) is fastened is also visible in Figure 2.
- the carriage is moved depending on the position via the threaded rod (16) on the chassis (2), ultimately the counter braking surface (10), more or less pressed against the front braking surface of the storage body via the spring (11 * ) and the elastic disc (11).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4336994 | 1993-10-29 | ||
DE4336994A DE4336994C1 (de) | 1993-10-29 | 1993-10-29 | Fadenliefervorrichtung mit stufenlos einstellbarer Fadenabzugspannung |
PCT/DE1994/001258 WO1995012017A1 (de) | 1993-10-29 | 1994-10-25 | Fedenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0725850A1 true EP0725850A1 (de) | 1996-08-14 |
EP0725850B1 EP0725850B1 (de) | 1999-01-13 |
EP0725850B2 EP0725850B2 (de) | 2003-04-16 |
Family
ID=6501361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94930931A Expired - Lifetime EP0725850B2 (de) | 1993-10-29 | 1994-10-25 | Fadenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung |
Country Status (8)
Country | Link |
---|---|
US (1) | US5727746A (de) |
EP (1) | EP0725850B2 (de) |
JP (1) | JPH09504058A (de) |
KR (1) | KR960705975A (de) |
CN (1) | CN1135777A (de) |
DE (2) | DE4336994C1 (de) |
ES (1) | ES2126791T3 (de) |
WO (1) | WO1995012017A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19537215C2 (de) * | 1995-10-06 | 1999-09-02 | Memminger Iro Gmbh | Fadenliefergerät für elastische Garne |
DE19638618A1 (de) * | 1996-09-20 | 1998-03-26 | Iro Ab | Fadenbremse |
DE10318931B4 (de) * | 2003-04-26 | 2005-10-20 | Memminger Iro Gmbh | Fadenliefergerät |
DE102004039415A1 (de) * | 2004-08-13 | 2006-02-23 | Iro Ab | Fadenverarbeitendes System und Fadenliefergerät |
KR20070108907A (ko) * | 2005-03-11 | 2007-11-13 | 베카에르트 어드벤스드 코팅스 | 단일, 직각 엔드-블록 |
CN104073959B (zh) * | 2013-03-25 | 2015-12-23 | 杨欣圃 | 同轴电磁补偿张力器 |
EP2924156B1 (de) * | 2014-03-28 | 2016-11-23 | L.G.L. Electronics S.p.A. | Garnbremsvorrichtung für Speicherfournisseur |
JP2018080406A (ja) * | 2016-11-14 | 2018-05-24 | 村田機械株式会社 | 紡績ユニット及び紡績機 |
CN106835479B (zh) * | 2017-01-21 | 2018-10-12 | 慈溪市赛美格针织器材有限公司 | 一种输纱器的张力器 |
CN109704146B (zh) * | 2019-03-15 | 2020-09-01 | 厦门绫亚针织机械配件有限公司 | 送纱器的张力调整装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH374345A (de) * | 1959-12-04 | 1963-12-31 | Sulzer Ag | Webmaschine |
CH394899A (it) * | 1961-10-31 | 1965-06-30 | Sobrevin Soc De Brevets Ind Et | Apparecchio per la regolazione della tensione all'uscita di un filo nel passaggio dal suo svolgimento al suo avvolgimento |
SE304070B (de) † | 1967-03-22 | 1968-09-16 | K Rosen | |
DE1635899B1 (de) * | 1967-03-22 | 1970-04-30 | Rosen Karl I J | Fadenspeicher- und -liefervorrichtung für Textilmaschinen |
JPS5134499B2 (de) † | 1972-03-18 | 1976-09-27 | ||
US4079759A (en) * | 1974-08-14 | 1978-03-21 | Zbrojovka Vsetin, Narodni Podnik | Apparatus for measuring and adjusting the length of a continuously delivered weft thread |
DE2540749B2 (de) * | 1975-09-12 | 1977-07-07 | Ab Iro, Ulricehamn (Schweden) | Fadenspeicher- und -liefervorrichtung |
DE2542824C2 (de) * | 1975-09-25 | 1977-11-17 | Ab Iro, Ulricehamn (Schweden) | Fadenliefervorrichtung |
DE2716017C2 (de) † | 1977-04-09 | 1979-04-26 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Fadenbremse an einem Fadenspeicher |
IT1087411B (it) * | 1977-09-29 | 1985-06-04 | Savio & C Spa | Dispositivo per il controllo della tensione di filo svolgentesi da un corpo di supporto di filo |
IT1133900B (it) * | 1980-10-15 | 1986-07-24 | Roy Electrotex Spa | Mezzi per effettuare la frenatura del filato in uscita in dispositivi alimentatori di filato a tensione costante e regolabile,particolarmente per macchine tessili |
DE3429219A1 (de) * | 1984-08-08 | 1986-02-20 | Sobrevin Société de brevets industriels-Etablissement, Vaduz | Fadenspeicher- und liefervorrichtung |
WO1991014032A1 (en) * | 1990-03-12 | 1991-09-19 | Iro Ab | Output yarn brake |
IT1247886B (it) * | 1991-05-03 | 1995-01-05 | Candia Ets | Fornitore di trama per telai senza navetta |
IT1268111B1 (it) * | 1994-10-10 | 1997-02-20 | Lgl Electronics Spa | Dispositivo di frenatura modulata positiva del filato, per apparecchi alimentatori di trama |
US5546994A (en) * | 1994-10-14 | 1996-08-20 | Sobrevin Societe De Brevets Industriels-Etablissement | Thread storage drum with frustoconical brake strip |
WO1996035834A1 (en) * | 1995-05-08 | 1996-11-14 | Heinrich Fabschitz | Apparatus for the control of the rotational speed of a driving unit for a yarn windings storage drum |
-
1993
- 1993-10-29 DE DE4336994A patent/DE4336994C1/de not_active Revoked
-
1994
- 1994-10-25 KR KR1019960702146A patent/KR960705975A/ko not_active Application Discontinuation
- 1994-10-25 US US08/637,766 patent/US5727746A/en not_active Expired - Fee Related
- 1994-10-25 CN CN94193941A patent/CN1135777A/zh active Pending
- 1994-10-25 WO PCT/DE1994/001258 patent/WO1995012017A1/de active IP Right Grant
- 1994-10-25 EP EP94930931A patent/EP0725850B2/de not_active Expired - Lifetime
- 1994-10-25 JP JP7512352A patent/JPH09504058A/ja active Pending
- 1994-10-25 DE DE59407664T patent/DE59407664D1/de not_active Expired - Fee Related
- 1994-10-25 ES ES94930931T patent/ES2126791T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9512017A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE4336994C1 (de) | 1995-03-30 |
CN1135777A (zh) | 1996-11-13 |
US5727746A (en) | 1998-03-17 |
DE59407664D1 (de) | 1999-02-25 |
KR960705975A (ko) | 1996-11-08 |
WO1995012017A1 (de) | 1995-05-04 |
EP0725850B2 (de) | 2003-04-16 |
JPH09504058A (ja) | 1997-04-22 |
ES2126791T3 (es) | 1999-04-01 |
EP0725850B1 (de) | 1999-01-13 |
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