EP0572495A1 - Vorrichtung zum öffnen von flockenförmigem fasergut. - Google Patents
Vorrichtung zum öffnen von flockenförmigem fasergut.Info
- Publication number
- EP0572495A1 EP0572495A1 EP92905486A EP92905486A EP0572495A1 EP 0572495 A1 EP0572495 A1 EP 0572495A1 EP 92905486 A EP92905486 A EP 92905486A EP 92905486 A EP92905486 A EP 92905486A EP 0572495 A1 EP0572495 A1 EP 0572495A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- opening
- hollow cylinder
- counter
- disk
- 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
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members
Definitions
- the invention relates to a device for opening flake-shaped fibrous material made of natural or synthetic fibers, which has a Zu! ei line connection piece and an Abi ei tion connection piece is installed in a pneumatic conveyor line for processing the fiber material.
- Devices of this type are known in a wide variety of embodiments. From DE 33 33 750 AI, for example, a device for opening and cleaning fiber material with two opposing rollers is known, which is mounted parallel to a horizontal plane above lattice bars, grates or the like and below a closed hood and with pins or the like are provided, the inlet and outlet openings being arranged such that the fiber material is fed in and out in a direction lying parallel to the rollers by means of an air stream.
- Such devices working with pin rollers require a large footprint, have a low throughput, have a poor degree of opening and are subject to high wear. In addition, there is a risk of wetting up on the rollers and subsequently blocking them.
- the invention has for its object to provide a device of the type mentioned, which ensures high efficiency with a structurally simple and compact structure and avoids the occurrence of fiber entanglements in the opening area.
- This object is achieved according to the invention by means of a hollow cylinder which is open at the top and which is connected to the supply connector and extends into a cylindrical housing which is connected to the discharge connector and forms an annular chamber, with a certain parallel spacing to the free end face of the hollow cylinder, a driven opener plate covering this, which is equipped with pointed pins in the direction of the hollow cylinder, is arranged.
- the significant advantages achieved with the device according to the invention consist in a small footprint, a good degree of opening, few construction and wear parts and high performance.
- the fiber air flow entering the supply connection piece emerges after passing through the hollow cylinder from its open end face and is then gripped by the opening disk running at a relatively high speed, the flake-shaped fiber material being opened by the pins of the opening disk and due to the centrifuge ⁇ galkraft is transferred together with the air through the peripheral outlet slot between the opener and the hollow cylinder into the annular chamber, from which the Fasei air flow is then sucked off via the discharge nozzle. Since the fibrous material in the area of the opening disk is subject to a high centrifugal force, no coils or fertilizers occur on the opening disk.
- a fixed, circular segment-shaped counter opening disc is inserted into the end face of the hollow cylinder and is equipped with pointed pins in the direction of the opening disc.
- the opener disc becomes the fiber airflow fed compressed only in a certain area, and the counter-opening disc in cooperation with the opening disc ensures safe opening of the fiber material.
- the chord of the circular segment-shaped counter-opening disk runs at a distance from the diameter of the counter-opening disk, which is defined by a circumferential angle of approx. 200 ° is defined.
- a circumferential angle of approx. 200 ° is defined.
- the counter-opening disk is only provided with pins at an angle of approximately 120 °.
- the pins of the counter-opening disk are expediently arranged in a row in the form of a radially outwardly extending central region.
- the pins of the counter-opening disc are preferably mounted inclined in the direction of rotation of the opening disc.
- the pins of the opening disk are expediently arranged running from a free central area in crescent-shaped rows to the periphery, the pins of the opening disk preferably being inclined outward.
- the opening disk is surrounded by an annular flange fastened to the cover of the housing, on the outside of which a slidingly attached shield, attached to the hollow cylinder and extending over the circumference of the region of the counter-opening disk, rests. Because of the The fiber material cannot be removed prematurely from the pin area by the centrifugal force of the opening disk. At the same time, the ring flange prevents fiber deposits above the opening disk.
- the opening disk is connected in its central region to a drive shaft via a retaining flange which extends through a bearing block placed on the cover of the housing and carries a drive wheel coupled to a drive motor via a gear .
- a retaining flange which extends through a bearing block placed on the cover of the housing and carries a drive wheel coupled to a drive motor via a gear .
- vent holes are let into the cover of the housing, which open out into the space delimited by the opening disk and the annular flange.
- the lower region of the hollow cylinder is conical. This causes the ascending fiber air flow to slow down, causing heavy flakes of fiber to be swirled inside the hollow cylinder, which leads to a loosening thereof.
- the supply line connected to the hollow cylinder within the housing is End piece in a height-adjustable ring flange attached to the outside of the bottom of the housing.
- the height of the Zu carrying the hollow cylinder is expediently adjusted! ei line connecting piece via a rack and pinion drive. This results in a simple adjustment of the distance between the opening disk and the counter opening disk, as a result of which the opening effect can be adapted to the respective fiber air flow.
- the lower region of the housing tapers towards the bottom of the housing, the area of the drainage connecting piece extending tangentially from this region.
- a fresh air supply nozzle provided with an adjusting flap preferably opens into the conical region of the housing opposite the processing connection nozzle. This makes it possible to prevent fiber deposits in the bottom area of the housing by supplying fresh air.
- FIG. 1 is an enlarged view of the detail "X" of FIG. 1 in a section rotated by 90 °,
- 3 is a view of the opener in the direction of line AA of FIG. 1, 3a is a view of the opener plate of FIG. 3 in the direction of arrow III,
- FIG. 4 is a view of the counter-opening disc of the device of FIG. 1 along the line B-B,
- Fig. 4a is a view of the counter-opening disc of FIG. 4 in the direction of arrow IV and
- Fig. 5 shows a cross section through the device of FIG. 1 along the line C-C.
- the device 1 comprises a cylindrical housing 2, the lower region of which is designed to taper towards the bottom 3 of the housing 2.
- a ring flange 4 On the outside of the bottom 3 of the housing 2 there is a ring flange 4 in the center, which slidably receives a supply connection piece 5 extending into the housing 2.
- the supply line connecting piece 5 In its changeable position within the ring flange 4, the supply line connecting piece 5 is fixed by a rack and pinion drive 6 coupled to it.
- Zu! eitungs An ⁇ connecting piece 5 flows under suction pressure, loaded with fiber flakes transport air flow from a fiber flake machine in the direction of arrow D into the device 1.
- the supply connection piece 5 is connected to a hollow cylinder 7, the lower Area of the hollow cylinder 7 from the supply connection piece 5 is designed to widen in the shape of a truncated cone.
- a tangential opening opposite the discharge connection piece opens out.
- gender fresh air supply nozzle 10 a For the supply of fresh air into the annular chamber 8, this connection piece 10 has a regulating flap 11 in its interior. This allows fresh air to flow into the annular chamber 8 in the direction of the arrow E, which avoids fiber deposits.
- a suction draft line (not shown) of a fan is connected to the outlet connection piece 9.
- the housing 2 has at its upper end on the outside a circumferential ring flange 12 which is connected to a cover ring washer 14 by means of screws 13 distributed uniformly over the circumference.
- the opening 15 of the cover ring disk 14 is closed by a cover 16 resting thereon. Screw connections 17 distributed uniformly over the circumference secure the cover 16 in its position.
- a drive shaft 18 extends centrally through the cover 16 for an opening disk 19 located within the housing 2.
- the drive shaft 18 is supported in a bearing 20 which is accommodated in a bearing block 21 with an associated bearing cover 22 fastened on the outside of the cover 16 is.
- the end of the drive shaft 18 protruding beyond the bearing cover 22 of the bearing block 21 carries a drive wheel 23 in a rotationally fixed manner, which can be connected to a drive motor via a gear.
- the end of the drive shaft 18 protruding into the housing 2 carries a holding flange 24 for the opening disk 19 in a rotationally fixed manner.
- the holding flange 24 fixed on the drive shaft 18 via a tongue and groove connection 25 has in one piece a circumferential annular shoulder 26, the distance from which with the end of the drive shaft 18 aligned outside of the holding flange 24 corresponds to the thickness of the opening disk 19.
- the opening disc 19 abuts the annular shoulder 26, with the retaining flange 24 in a corresponding with him Center bore 27 of the opening disk 19 extends.
- the opening disk 19 is fastened to the annular shoulder 26 by means of screw connections 28 distributed uniformly over the circumference of the annular shoulder 26.
- the opening disc 19, which is slightly larger in diameter than the diameter of the hollow cylinder 7, is equipped on its side facing the hollow cylinder 7 with pointed pins 29 which run obliquely outwards.
- the pins 29 are distributed in the form of six equally spaced crescent lines 30 on the opening disk 19.
- the pins are inserted into correspondingly slanted bores 31 in the opening disk 19.
- An annular flange 32 fastened to the inside of the cover 16 concentrically surrounds the opening disk.
- Opposing the opening disk 19 are concentrically vent holes 33 evenly distributed over the circumference in the cover 16.
- the free end face of the hollow cylinder 7 arranged coaxially to the opening disk 19 ends at a certain, parallel distance from the opening disk 19, this distance using the rack and pinion drive 6 as a function of the type of fiber-air flow in order to achieve an optimal degree of opening of the Fiber goods can be varied.
- the opening disk 19 is opposed by a circular segment-shaped counter opening disk 35 inserted into the end face of the hollow cylinder 7. The fixed one, with pointed pens
- the counter Opener disk 35 closes more than half of the end face of the hollow cylinder 7.
- the resulting reduced outlet opening 38 of the hollow cylinder 7 guides the fiber-air flow in compressed form to the opener disk 19 which, in cooperation with the counter-opener disk 35, the fiber material opens.
- the pins 36 of the counter-opener disk 35 which are inclined in the direction of rotation of the opener disk 19, are distributed from a free area 39 in radial lines 40 on the upper side of the counter-opener disk 35, the pins, however, only in an angular range /? Starting from the diameter of the counter-opener disk 35. of approximately 120 ° are arranged.
- a circular section-shaped shield 41 is attached to the outside of the hollow cylinder 7, the free end of which slidably abuts the outside of the ring flange 32 attached to the cover 16.
- the shield 41 only extends over the angle b ß of the pinning of the counter-opening disc 35, so that an angle range of approximately 240 ° remains between the opening disc 19 and the counter-opening disc 35 for the outlet 42 of the fiber material. From the outlet 42, the fiber air flow passes in the direction of arrow G in a helical manner within the annular chamber 8 to the discharge connection piece 9 and exits from it in the direction of arrow F.
Landscapes
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Crushing And Pulverization Processes (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Paper (AREA)
- Artificial Filaments (AREA)
- Inorganic Fibers (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
- Air Transport Of Granular Materials (AREA)
- Detergent Compositions (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4105189A DE4105189C2 (de) | 1991-02-20 | 1991-02-20 | Vorrichtung zum Öffnen von flockenförmigem Fasergut |
DE4105189 | 1991-02-20 | ||
PCT/DE1992/000119 WO1992014872A1 (de) | 1991-02-20 | 1992-02-17 | Vorrichtung zum öffnen von flockenförmigem fasergut |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0572495A1 true EP0572495A1 (de) | 1993-12-08 |
EP0572495B1 EP0572495B1 (de) | 1994-12-21 |
Family
ID=6425427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92905486A Expired - Lifetime EP0572495B1 (de) | 1991-02-20 | 1992-02-17 | Vorrichtung zum öffnen von flockenförmigem fasergut |
Country Status (14)
Country | Link |
---|---|
US (1) | US5437080A (de) |
EP (1) | EP0572495B1 (de) |
CN (1) | CN1036409C (de) |
AT (1) | ATE116011T1 (de) |
AU (1) | AU660961B2 (de) |
CA (1) | CA2104117A1 (de) |
DE (3) | DE4105189C2 (de) |
DK (1) | DK0572495T3 (de) |
ES (1) | ES2069993T3 (de) |
NO (1) | NO932929L (de) |
PL (1) | PL169078B1 (de) |
PT (1) | PT100131A (de) |
TR (1) | TR27150A (de) |
WO (1) | WO1992014872A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6021549A (en) * | 1995-10-04 | 2000-02-08 | Stummer; Josof | Opener for flaky fibrous materials |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1009183A3 (fr) * | 1995-03-08 | 1996-12-03 | Houget Duesberg Bosson | Dispositif pour ouvrir des flocons de fibres. |
US20080257882A1 (en) * | 2007-04-20 | 2008-10-23 | Bioinnovations Oy | Vessel for accurate analysis |
RU2485223C2 (ru) * | 2007-05-23 | 2013-06-20 | Альберта Инновейтс - Текнолоджи Фьючерз | Способ декортикации |
EP2395138A1 (de) * | 2010-06-10 | 2011-12-14 | Recuperación de Materiales Textiles, S.A. | Fasermessgerät |
CN104294410B (zh) * | 2014-09-30 | 2016-11-23 | 泉州市中研智能机电研究院有限公司 | 一种羊绒开松装置 |
CN107198265A (zh) * | 2017-06-30 | 2017-09-26 | 南通烟滤嘴有限责任公司 | 间隙可调式空气开松器 |
IT202000026203A1 (it) * | 2020-11-03 | 2022-05-03 | Fisi Fibre Sintetiche Spa | Procedimento e impianto per la realizzazione di una ovatta a partire da un manufatto tessile imbottito di riciclo |
CN112680833B (zh) * | 2020-12-18 | 2022-05-17 | 湖南仁瑞无纺制品有限公司 | 一种棉纺织品生产用开松装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US431665A (en) * | 1890-07-08 | Machine for delinting cotton-seed | ||
DE478760C (de) * | 1929-07-03 | Ackermann & Schmitt | Umlaufende, walzenfoermige Buerste zur Nutztierpflege | |
DE100033C (de) * | ||||
GB478760A (en) * | 1936-11-05 | 1938-01-25 | Arthur Greaves | Improvements in crighton openers |
FR929253A (fr) * | 1946-06-18 | 1947-12-22 | Procédé pour ouvrir et éplucher de la matière fibreuse et machine pour l'exécution de ce procédé | |
US2747232A (en) * | 1952-07-03 | 1956-05-29 | Jackson & Church Company | Process for decorticating fibrous materials |
DE1009284B (de) * | 1956-01-26 | 1957-05-29 | Siemens Ag | Elektromotor mit Kurzschlusslaeufer fuer haeufiges Einschalten, insbesondere Antriebsmotor fuer Zuckerzentrifugen |
DE1151453B (de) * | 1959-01-14 | 1963-07-11 | Giddings & Lewis Fraser Ltd | Vorrichtung zum OEffnen und Mischen von Fasergut |
FR1303869A (fr) * | 1960-10-18 | 1962-09-14 | Rieter Ag Maschf | Ouvreuse-nettoyeuse |
GB1009284A (en) * | 1964-02-19 | 1965-11-10 | Isolier Und Kaltetechnik Rosto | Opening and feeding device for fibre materials, such as asbestos, slag wool or the like |
CA965214A (en) * | 1972-10-06 | 1975-04-01 | Heino Altosaar | Flax decorticator |
US4369548A (en) * | 1980-07-23 | 1983-01-25 | Malinak Frank J | Depither |
DE3333750A1 (de) * | 1983-09-19 | 1985-04-18 | Trützschler GmbH & Co KG, 4050 Mönchengladbach | Vorrichtung und verfahren zum oeffnen und reinigen von fasergut |
-
1991
- 1991-02-20 DE DE4105189A patent/DE4105189C2/de not_active Expired - Fee Related
- 1991-02-20 DE DE9104369U patent/DE9104369U1/de not_active Expired - Lifetime
-
1992
- 1992-02-05 TR TR00124/92A patent/TR27150A/xx unknown
- 1992-02-13 CN CN92100582A patent/CN1036409C/zh not_active Expired - Fee Related
- 1992-02-17 PL PL92296619A patent/PL169078B1/pl unknown
- 1992-02-17 CA CA002104117A patent/CA2104117A1/en not_active Abandoned
- 1992-02-17 AU AU12724/92A patent/AU660961B2/en not_active Ceased
- 1992-02-17 DE DE59201027T patent/DE59201027D1/de not_active Expired - Fee Related
- 1992-02-17 EP EP92905486A patent/EP0572495B1/de not_active Expired - Lifetime
- 1992-02-17 AT AT92905486T patent/ATE116011T1/de not_active IP Right Cessation
- 1992-02-17 WO PCT/DE1992/000119 patent/WO1992014872A1/de active IP Right Grant
- 1992-02-17 DK DK92905486.4T patent/DK0572495T3/da active
- 1992-02-17 ES ES92905486T patent/ES2069993T3/es not_active Expired - Lifetime
- 1992-02-18 PT PT100131A patent/PT100131A/pt not_active Application Discontinuation
-
1993
- 1993-08-18 NO NO93932929A patent/NO932929L/no unknown
- 1993-08-20 US US08/117,056 patent/US5437080A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9214872A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6021549A (en) * | 1995-10-04 | 2000-02-08 | Stummer; Josof | Opener for flaky fibrous materials |
Also Published As
Publication number | Publication date |
---|---|
NO932929D0 (no) | 1993-08-18 |
AU660961B2 (en) | 1995-07-13 |
CA2104117A1 (en) | 1992-08-21 |
DE9104369U1 (de) | 1991-09-26 |
DK0572495T3 (da) | 1995-06-06 |
AU1272492A (en) | 1992-09-15 |
WO1992014872A1 (de) | 1992-09-03 |
TR27150A (tr) | 1994-11-09 |
PT100131A (pt) | 1994-04-29 |
US5437080A (en) | 1995-08-01 |
DE59201027D1 (de) | 1995-02-02 |
DE4105189C2 (de) | 1995-02-23 |
EP0572495B1 (de) | 1994-12-21 |
NO932929L (no) | 1993-08-18 |
PL169078B1 (pl) | 1996-05-31 |
CN1036409C (zh) | 1997-11-12 |
CN1064322A (zh) | 1992-09-09 |
ES2069993T3 (es) | 1995-05-16 |
DE4105189A1 (de) | 1992-08-27 |
ATE116011T1 (de) | 1995-01-15 |
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