EP2655707A1 - Vorrichtung zum auftragen einer flüssigkeit - Google Patents
Vorrichtung zum auftragen einer flüssigkeitInfo
- Publication number
- EP2655707A1 EP2655707A1 EP11801673.2A EP11801673A EP2655707A1 EP 2655707 A1 EP2655707 A1 EP 2655707A1 EP 11801673 A EP11801673 A EP 11801673A EP 2655707 A1 EP2655707 A1 EP 2655707A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plates
- plate
- wetting
- liquid
- longitudinal grooves
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 57
- 238000009736 wetting Methods 0.000 claims abstract description 54
- 239000012530 fluid Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000002569 water oil cream Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
Definitions
- the invention relates to a device for applying a liquid to a running thread according to the preamble of claim 1.
- the thread In the production and processing of synthetic threads, it is generally known that the thread to improve the running properties and in particular to the cohesion of the filament bundle forming the thread a liquid preferably an oil-water emulsion is fed.
- the application of the liquid must be particularly evenly generated on the thread to ensure uniform physical properties.
- the thread is usually guided with contact via a wetting surface on which the liquid emerges as continuously as possible.
- a wetting surface on which the liquid emerges is known for example from DE 199 45 699 AI.
- the thread for applying the liquid is guided with contact over a wetted wetting surface.
- the wetting surface is formed on a wetting body having a plurality of distributed openings in the wetting surface, which are connected to a supply channel for supplying the liquid.
- the wetting body is formed for this purpose from a porous material, so that the supply of the liquid takes place via a plurality of capillaries.
- Such wetting bodies are preferably formed of sintered ceramic materials whose arrangement and distribution of the capillary and pore-shaped openings is very irregular. Thus, a uniform distribution over the entire wetting surface and thus an exact dosage is not possible.
- a further device for applying a liquid in which the wetting body is formed by a thin-walled screen plate whose outer region forms the wetting surface. Due to the distribution and size of the sieve openings, a uniform wetting of the wetting surface is possible.
- the supply of the liquid takes place directly from a pressure chamber, so that the required flow resistance for the metered discharge of the liquid is determined solely by the size of the screen openings.
- very small sieve openings tend prematurely due to solid particles to blockages. Such blockages of screen openings thus also have an adverse effect on a uniform metered application of the liquid to the thread.
- the wetting body is formed by a plate stack of several plates, that each plate has a longitudinal groove on at least one side surface and that the plates with a plate edge form the wetting surface in which the longitudinal grooves open.
- Advantageous developments of the invention are defined by the features and feature combinations of the respective subclaims.
- the invention is characterized in that within a thread running track a defined number of openings are present, which supply the liquid of the wetting surface and thus in the running thread.
- the number of arranged within the plate stack plates form a wetting distance, in which open the longitudinal grooves of the plates.
- the length of the wetting distance can thus be determined solely by the choice of the number of plates. In this way, it is possible to produce particularly long wetting distances in order to produce, for example, liquid application defined on fast running threads.
- the development of the invention is preferably used, in which the plates each have a plate opening penetrating the longitudinal groove and in which the plate openings of the plates within the plate stack collectively form the supply channel.
- the preferably plane-parallel plates can thus be held together within the plate stack in such a way that a liquid is supplied directly under pressure to the feed channel formed by the plate openings.
- Each of the longitudinal grooves formed on the plates can thus be fed from the supply channel under the same conditions with a liquid flow.
- the development of the invention has proven in which the plates each have at the edge of the plate a crossing of the longitudinal groove crossing transverse groove and that arranged in a row transverse grooves of the plates within the plate stack form the wetting surface.
- the transverse grooves allow a linear guidance of the thread over the plate stack, so that constant lengths of the wetting path can be maintained without significant additional thread guiding elements.
- an enlargement of the longitudinal grooves between two adjacent plates is achieved in that the plates each have two longitudinal grooves lying opposite one another on the side surfaces.
- the opposing longitudinal grooves in adjacent plates cooperate to direct the liquid from the supply channel to the wetting surface.
- the longitudinal grooves on the plates are preferably formed with a throttle point, which are arranged upstream of the openings in the wetting surface. This allows flow resistances to be produced which, even with the smallest pressure fluctuations, do not lead to any significant dosing deviations.
- the throttle points can be formed by cross-sectional changes, groove loops or multi-part grooves.
- the development of the invention is particularly advantageous, in which the plates each have a plurality of spaced apart on a side surface formed longitudinal grooves and a plurality of longitudinal grooves associated plate bores.
- the plates each have a plurality of spaced apart at the plate edge transverse grooves in which open the longitudinal grooves.
- the threads can each be assigned to a thread running track assigned by the transverse grooves.
- the development of the device according to the invention in which the plates of the plate stack between a terminal block and a holding block are held, which are connected via screw means.
- individual sealing means may be provided between adjacent plates in order to seal the longitudinal grooves and the plate bores.
- elastic sealing means are preferably used, so that the plates are held against each other with low tension.
- connection block is hereby preferably used to receive a fluid connection, which is connected via a distributor bore with the supply channel of the plate stack.
- connection block is preferably designed with a plurality of fluid connections, so that each supply channel is assigned its own fluid connection.
- each supply channel is assigned its own fluid connection.
- Fig. 1 shows schematically a longitudinal sectional view of a first embodiment of the device according to the invention
- FIG. 2 schematically shows a cross-sectional view of the embodiment of FIG. 1.
- FIG. Fig. 3 Scheme table a cross-sectional view of another embodiment of the device according to the invention
- Fig. 4 Scheme table a cross-sectional view of another embodiment of the device according to the invention.
- FIG. 5 is a schematic plan view of the embodiment of FIG. 4
- Fig. 6 shows schematically a longitudinal sectional view of another embodiment of the device according to the invention
- FIGS. 1 and 2 show a first exemplary embodiment of the device according to the invention for applying a liquid to a running thread.
- Fig. 1 the embodiment is shown in a longitudinal sectional view and in Fig. 2 in a cross-sectional view. Unless an explicit reference is made to one of the figures, the following description applies to both figures.
- the device according to the invention consists of a plate stack 1, which is formed from a plurality of thin plates 5.
- the thickness of the plates 5 is in the range of 0.5 mm to 10 mm.
- the plates 5 are placed side by side on a base plate 18 and are held at both ends of the plate stack 1 by a terminal block 11 and an opposite holding block 13.
- the terminal block and the holding block 13 are connected to each other via a screw means 14, so that the plates 5 within the plate stack 1 sealingly abut each other.
- the plates 5 are constructed identically.
- a cross section of the plate 5 is shown in FIG. 1 and a side view of the plate 5 can be taken from FIG.
- the plate 5 has a longitudinal groove 8 on a side surface 16 in the middle region.
- the longitudinal groove 8 extends between an upper plate edge 7 up to a plate 5 penetrating plate opening 6.
- the plate opening 6 penetrates the plate 5 completely.
- the plate openings 6 within the plate stack 1 form a continuous supply channel 4.
- the supply channel 4 is coupled via a distributor bore 12 in the connection block 11 to a liquid connection 15.
- the longitudinal grooves 8 are formed on one side, so that within the plate stack 1, the longitudinal grooves 8 each form between adjacent plates 5 longitudinal channels that connect the supply channel 4 with an upper wetting surface 2.
- the longitudinal grooves 8 opening into the wetting surface 2 form the openings 3, from which the liquid required for application emerges during operation.
- the plate edge 7 of the plates 5 to form the wetting surface 2 is slightly convex, so that a thread in the central region of the plates 5 is guided.
- the longitudinal groove 8 is formed on the side surface 16 in two parts.
- the cross-sectional constriction between the two L jossnutabêten 19.1, and 19.2 forms a throttle point 17, which is a flow resistance.
- metered amounts of liquid can emerge within the plate stack 1 at each opening.
- the plates 5 are arranged on a flat base plate 18. Basically, there is the possibility that the base plate 18 has a curvature, so that the plates 5 within the plate stack 1 offset from each other, so that a curved thread running track adjusts to the wetting surface 2.
- the contact between a thread and the wetting surface 2 can be improved.
- the plates 5 are held together within the plate stack such that the side surfaces each form a sealing joint to prevent liquid leakage from the longitudinal grooves and the plate openings.
- a respective sealing means between the adjacent plates.
- very thin gaskets of paper or other sealing material could be placed between adjacent plates within the plate stack.
- elastic sealants are preferably disposed between the plates to bias the plates within the plate stack.
- a further embodiment of the device according to the invention is shown schematically in a cross-sectional table.
- the embodiment is substantially identical to the aforementioned embodiment of FIGS. 1 and 2, so that only the essential differences will be explained at this point.
- each plate 5 at the plate edge 7 a transverse groove 10, in the groove bottom, the longitudinal groove 8 opens.
- the longitudinal groove 8 is also formed with a throttle point 17, which in this case also by a first longitudinal portion 19.1 and a second formed by a plurality of fine grooves 20 Section is executed.
- the fine grooves 20 thereby form the openings 3 in the groove bottom 9 of the transverse groove 10.
- FIGS. 1 to 3 are particularly suitable for applying a liquid to a running thread.
- a liquid for example a water-oil emulsion, is supplied under pressure via the liquid connection 15.
- the liquid passes through the distribution hole 12 in the formed by the plate openings 6 supply channel 4 through the arranged between the plates 5 longitudinal grooves 8, the liquid is passed to the plate edges 7 and emerges from the openings formed by the longitudinal grooves 8 3. In this case, the thread is guided over the plate edges 7 of the assembled plates, which form the wetting surface 2.
- FIGS. 4 and 5 show a further exemplary embodiment in several views in FIGS. 4 and 5.
- 4 shows the embodiment in a cross-sectional view
- FIG. 5 shows a plan view of the embodiment.
- the plate stack 1 is likewise formed from a plurality of plates 5.
- the plates 5 are identical and have on a side surface 16 a plurality of spaced longitudinal grooves 8.1, 8.2 and 8.3.
- the longitudinal grooves 8.1, 8.2 and 8.3 each extend between a transverse groove and a supply channel.
- the plate 5 on three side by side formed plate openings 6.1, 6.2 and 6.3. At the plate edge 7 and the plate 5 are three spaced apart formed transverse grooves 10.1, 10.2 and 10.3 formed. In each of the transverse grooves 10.1, 10.2 and 10.3 can thus lead a thread for applying the liquid.
- each supply channel 4.1, 4.2 and 4.3 within the plate stack is assigned a liquid connection 15.1, 15.2 and 15.3 in the connection block 11.
- the liquid connections 15.1, 15.2 and 15.3 are coupled via the distributor bores 12.1, 12.2 and 12.3 to the supply channels 4.1, 4.2 and 4.3.
- the plates 5 of the plate stack 1 are held between the terminal block 11 and a holding block 13, the plates 5 being mounted on a base plate 18.
- the terminal block 11 and the holding block 13 are connected to one another via a plurality of screw means 14.
- the throttle point 17 is formed in the longitudinal groove 8 by a groove loop 21.
- each of the longitudinal grooves 8.1 to 8.3 each have a groove loop 21 in order to produce the required flow resistance for supplying the liquid to the wetting surface 2.
- the embodiment of the device according to the invention shown in Fig. 4 and 5 is thus particularly suitable for treating a plurality of threads side by side.
- FIG. 6 a further embodiment of the device according to the invention is shown schematically in a longitudinal sectional view.
- the embodiment according to FIG. 6 is essentially identical to the embodiment according to FIGS. 1 and 2, so that only the differences will be explained below and otherwise reference is made to the aforementioned description.
- a plate stack 1 with a plurality of plates 5 is arranged between a connection block 11 and a holding block 13. Between the connection block 11 and the holding block 13, a liquid chamber 22 is formed which has an opening receiving the plate stack 1 on an upper side.
- the plates 5 of the plate stack 1 have an upper plate edge 7.1 and a lower plate edge 7.2. At the upper plate edges 7.1 of the plates 5, the wetting surface 2 is formed. Opposite to the wetting surface 2, the plate edges 7.2 of the plates 5 protrude into the liquid chamber 22.
- the plates 5 each have on a side surface a longitudinal groove 8, which opens into the wetting surface 2 via an upper opening 3.1 and which opens into the liquid chamber 22 via a lower opening 3.2.
- the liquid chamber 22 is connected within the connection block 11 via a distributor bore 12 with a liquid connection.
- the liquid used for wetting a thread can be introduced into the liquid chamber 22 via the liquid connection 15 and the distributor bore 12.
- the liquid chamber 22 is thereby completely filled with the liquid, so that with increasing liquid pressure, the liquid automatically penetrates through the openings 3.2 in the longitudinal grooves 8 of the plates 5.
- the liquid emerging at the upper plate edge 7.1 from the openings 3.1 can be dosed by the geometric configuration of the longitudinal groove 8 and by the fluid pressure within the liquid chamber 22.
- the wetting surface 2 could be formed according to the embodiment of FIG. 2 or the embodiment of FIG. 3. However, the embodiment shown in Fig. 6 could also be formed with a plurality of longitudinal grooves in parallel side by side between the plates 5, so that at the upper plate edge a plurality of transverse grooves for thread guidance and wetting could be performed, as shown for example in Fig. 4.
- the number of plates within the plate stack 1 and the length of the wetting path formed thereby are exemplary.
- the number of plates and the wetting distance can be selected as a function of the thread count and of the thread running speed.
- the wetting distance can be extended without delay by adding further plates.
- the plates 5 are preferably formed of a ceramic, so that the thread or threads can be guided directly on the plate edge.
- the groove bottom of the transverse groove is preferably formed arched in the direction of yarn travel, so that adjusts a respective depression between adjacent plates 5, in which the liquid accumulates.
- the plates from a metallic material with a high-strength surface protection in the region of the wetting surface.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010056114 | 2010-12-23 | ||
| PCT/EP2011/072344 WO2012084555A1 (de) | 2010-12-23 | 2011-12-09 | Vorrichtung zum auftragen einer flüssigkeit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2655707A1 true EP2655707A1 (de) | 2013-10-30 |
| EP2655707B1 EP2655707B1 (de) | 2014-09-03 |
Family
ID=45406707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11801673.2A Not-in-force EP2655707B1 (de) | 2010-12-23 | 2011-12-09 | Vorrichtung zum auftragen einer flüssigkeit |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2655707B1 (de) |
| CN (1) | CN103270204B (de) |
| WO (1) | WO2012084555A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900016340A1 (it) * | 2019-09-16 | 2021-03-16 | Lgl Electronics Spa | Apparato per l'alimentazione di filato da una pluralita' di pile di alimentatori di filato ad una macchina tessile |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19945699A1 (de) | 1998-10-02 | 2000-04-06 | Barmag Barmer Maschf | Vorrichtung zum Aufbringen eines flüssigen Präparationsmittels auf einen laufenden Faden |
| JP2001098410A (ja) * | 1999-09-29 | 2001-04-10 | Du Pont Toray Co Ltd | 弾性繊維糸条の油剤付与装置 |
| US6669993B2 (en) * | 2000-09-19 | 2003-12-30 | Honeywell International Inc. | High speed yarn finish application |
| DE10105440A1 (de) * | 2001-02-07 | 2002-08-08 | Neumag Gmbh & Co Kg | Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar |
| CN1748050B (zh) | 2003-02-05 | 2011-05-04 | 欧瑞康纺织有限及两合公司 | 用来润湿行进中的单丝簇的装置 |
| JP5009055B2 (ja) * | 2007-06-06 | 2012-08-22 | 日本バイリーン株式会社 | 羽毛用中生地、羽毛用中袋およびこれを用いたダウンプルーフ構造体 |
| JP2008303497A (ja) * | 2007-06-07 | 2008-12-18 | Jtc:Kk | 給油ガイド |
| DE102008018395A1 (de) * | 2008-04-10 | 2009-10-15 | Rpe Technologies Gmbh | Präparationsvorrichtung |
-
2011
- 2011-12-09 CN CN201180061687.4A patent/CN103270204B/zh not_active Expired - Fee Related
- 2011-12-09 EP EP11801673.2A patent/EP2655707B1/de not_active Not-in-force
- 2011-12-09 WO PCT/EP2011/072344 patent/WO2012084555A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012084555A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012084555A1 (de) | 2012-06-28 |
| EP2655707B1 (de) | 2014-09-03 |
| CN103270204B (zh) | 2016-10-05 |
| CN103270204A (zh) | 2013-08-28 |
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