EP2737116B1 - Spinnmaschine mit einer verdichtungsvorrichtung - Google Patents

Spinnmaschine mit einer verdichtungsvorrichtung Download PDF

Info

Publication number: EP2737116B1
Authority: EP; European Patent Office
Prior art keywords: support; suction; roller; pivot axis; unit
Prior art date: 2011-07-25
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.): Active

Application number

EP12735432.2A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2737116A1 (de

Inventor

Gabriel Schneider

Ludek Malina

Robert Nägeli

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Maschinenfabrik Rieter AG

Original Assignee

Maschinenfabrik Rieter AG

Priority date (The priority date 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 date listed.)

2011-07-25

Filing date

2012-06-29

Publication date

2015-07-29

2012-06-29 Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG

2014-06-04 Publication of EP2737116A1 publication Critical patent/EP2737116A1/de

2015-07-29 Application granted granted Critical

2015-07-29 Publication of EP2737116B1 publication Critical patent/EP2737116B1/de

Status Active legal-status Critical Current

2032-06-29 Anticipated expiration legal-status Critical

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Classifications

- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
- D01H1/025—Spinning or twisting machines in which the product is wound-up continuously ring type with a condensing device between drafting system and spinning unit
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings

Definitions

the invention relates to a device according to the preamble of claim 1.
a variety of designs are already known, for compacting (compacting) of the votes of a drafting unit fiber material (fiber strand) downstream of a compacting device.
a swirl-generating device is supplied.
Such a swirl generating device consists for. Example, in a ring spinning machine from a rotor which rotates on a ring, wherein the yarn produced is wound on a rotating sleeve.
compression means are substantially evacuated circumferential, perforated suction drums or circumferential, provided with perforations straps used.
compression devices are known, which can also be subsequently added to existing drafting units.
Such is z. B. from the CN 101613896 A known, wherein an additional element is screwed to the punch to extend the punch of the drafting. At the same time, a gear stage with gear pairs is shown in this embodiment, via which the drive of an additional compression device is to take place.
a device for fixing a, about a pivot axis on a machine frame of a spinning machine pivotally mounted compression unit is off DE 102 27 463 C1 known.
both systems pressure rollers of the drafting unit and the compression unit
both systems pressure rollers of the drafting unit and the compression unit
the compression unit is held in its pivoted-in operating position, in which it forms a drive connection (eg via friction) with the lower rollers of the pair of delivery rollers.
the drafting unit is coupled in the operating position directly to the compression unit via the spring element attached to the pressure lever, resulting in a self-contained unit, which is also less susceptible to vibrations.
the compression unit is fixed in a defined position (seen in the direction of its pivot axis) on the machine frame of the spinning machine.
the term “spring element” also includes embodiments (or combinations of elements) in which a rigid means (eg, a rod or lever) is acted upon by a spring. That is, instead of the term “spring element”, the term “spring-loaded retaining element” can also be used.
the coupling point on the carrier may be formed with elevations or depressions depending on the performance of the spring element attached to the pressure lever.
Essential here is the achievement of a positive connection, via which both elements (carrier of the compression unit and spring element of the pressure lever) are fixed and immovable to each other.
the spring element is formed of a pivotally mounted on the pressure lever holder, which is acted upon by a spring. This makes it possible to simultaneously transfer the contact pressure to the unit of the compression unit, which is necessary for driving the suction drum via the spring-loaded on the pressure lever mounted holder. That by the contact force sufficient friction force for the drive transmission between the drive elements of the suction drum and the lower roller of the output roller pair of the drafting unit is generated.
the spring element consists of a leaf spring which is attached directly to the pressure lever. This gives a simplified construction, which unfolds the same effect.
the support is provided with a suction channel, one end of which opens in the area of the pivot point of the support and the other end in the region of a suction insert projecting into the compression element.
the carrier is provided with a U-shaped end piece with which it partially engages in the mounted position at a coupling point a circular channel which is fixed to the machine frame and connected to a vacuum source.
the pinch roller (also called “rotation lock roller”) is rotatably mounted on a pivotally mounted on the carrier pressure arm.
the pivot axis of the pressure arm is above the plane which runs through the pivot axis of the carrier and the axis of rotation of the suction drum.
the machine frame Guides are provided, via which the carrier is guided in the transfer to a first, external pivot position to the coupling point.
the assembly of the compression unit usually extends over two drafting units (twin drafting), wherein two suction drums are mounted on a support of the assembly. It is therefore proposed that the drafting unit is a twin drafting system with two adjacent drafting systems, the pressure rollers are held by a common pressure lever and the respective output roller pair of drafting systems associated suction drums are mounted rotatably on a common carrier with pinch roller.
FIG. 1 shows a schematic side view of a spinning station 1 a spinning machine (ring spinning machine) with a drafting unit 2, which is provided with an input roller pair 3, 4, a middle roller pair 5, 6 and a pair of output rollers 7, 8.
a strap 12, 13 out which are each held around a cage, not shown in detail in its illustrated position.
the upper ones Rollers 4, 6, 8 of said pairs of rollers are designed as pressure rollers which are rotatably mounted on the axes 4a, 6a, 8a on a pivotally mounted pressure lever 10.
the pressure lever 10 is pivotally mounted about an axis 15 and, as shown schematically, acted upon by a spring element F.
This spring element can, for. B. also be an air hose.
the rollers 4, 6, 8 pressed against the lower rollers 3, 5 and 7 of the roller pairs to form a nip for the fiber material.
the roller pairs 3, 5, 7 are, as indicated schematically, connected to a drive A.
individual drives, as well as other forms of drive can be used.
the driven lower rollers 3, 5, 7, the pressure rollers 4, 6, 8, and the belt 13 are driven via the belt 12 via friction.
the peripheral speed of the driven roller 5 is slightly higher than the peripheral speed of the driven roller 3, so that the, the drafting unit 2 supplied fiber material in the form of a sliver L between the input roller pair and the middle roller pair 5, 6 is subjected to a pre-delay.
the main distortion of the fiber V arises between the middle roller pair 5, 6 and the pair of output rollers 7, 8, wherein the output roller 7 has a substantially higher peripheral speed than the center roller 5.
a pressure lever 10 is assigned to two adjacent drafting units 2 (twin drafting). Since it is the same or partially mirror-image arranged elements of the adjacent drafting units, or compression devices, the same reference numerals are used for these parts.
the drawn out of the pair of output rollers 7, 8 stretched fiber material V is deflected downward and enters the region of a suction zone Z of a subsequent suction drum 17.
the respective suction drum 17 is provided with extending on its circumference perforations or openings ⁇ .
a stationary mounted suction insert 18 is arranged in each case, which is fastened to a support 20 of a compression unit VM.
Designs and arrangements of the absorbent insert are in the not yet published Swiss patent application CH-01992/10 from 26.11. Shown in 2010. Also shown there are drive elements, the are connected to the respective suction drum 17 and occupy a frictional connection in the operating position with the lower roller 7 of the pair of output rollers.
the respective suction roll 17 or drive means connected to it lies on the circumference of the driven roller 7 and is driven by the latter via friction.
the contact pressure of the suction roller 17 on the lower roller 7 takes place in the example of Fig.1 via a lever 55 which is pivotally mounted about an axis 56 on the pressure lever 10.
the lever 55 is provided with an extension 57 which extends from the pivot axis 56 along the pressure lever 10.
a spring F1 is attached to the pressure lever 10, which is fastened at its other end, also at a distance from the pivot axis 56 on the lever 55. By the spring F1, the lever 55 is pivoted in relation to its pivot axis 56 counterclockwise.
the pressure lever 10 is thus indirectly via the compression unit VM transversely to its pivot plane SE ( 5 b ) also fixed relative to the machine frame MR.
it is ensured by this simultaneous locking of the drafting unit 2 and the compression unit VM via only one pressure lever 10, that at the latched operating position of the pressure lever and the suction drums of the compression unit are in the operating position.
This was not always guaranteed with previous solutions with independent locks. That is, if it was forgotten before starting the spinning machine to transfer the compression unit VM in its operating position, it could lead to material buildup between the drafting unit 2 and the subsequent compression unit VE, whereby the spinning process was interrupted at the corresponding spinning station.
This is now by the invention proposed common locking in the operating position avoided by the drafting unit 2 and the compression unit VE via the pressure lever. That is, fiber material is supplied to the compacting unit only when the drafting unit is closed.
the suction roll 17, or two suction rolls 17 are rotatably mounted on a carrier 20 of the compacting unit VM on a shaft 22 fixed to the carrier.
a suction channel SK which communicates with the respective suction insert 18, as shown schematically in FIG Fig.1 will be shown.
a machine frame MR of the spinning machine facing the end of the carrier 20, the carrier is provided with a U-shaped end piece 46, in which the suction channel SK opens with an opening S2.
the opening S2 is in the position shown an opening SR of a suction tube 50 opposite, which is fixed to the machine frame MR of the spinning machine.
U-shaped end piece 46 of the carrier 20 is pivotally mounted about the center axis MA of the suction pipe and thus forms a coupling point KS.
a massively trained tail 46 with respect to the dimension of the suction pipe 50 a clamping action between the suction pipe 50 and the end piece 46 is achieved, whereby the carrier 20 is held on the suction pipe 50.
50 guides 30 are fixed on both sides of the end piece 46 on the suction pipe, via which the end piece 46 and thus the compression unit VM is laterally fixed in the direction of the center axis MA. This is also from the enlarged view of the 5a (View y after Figure 5 ) refer to.
a suction zone Z Under the action of a negative pressure applied via a vacuum source SP, an integration of the outer projecting fibers is made and the fiber material is compressed.
the respective suction drum is provided with openings O on its periphery, which cooperate with suction slots, not shown, of the suction insert 18.
a clamping roller 33 is provided for each of the suction drums 17, which is held in a pressure arm 71 and rests on the respective suction drum 17 via a pressure load and forms a nip line P with this.
the respective pinch roller 33 is rotatably mounted on an axle 32 which is fixed to a piston 70 of a pressure arm 71.
the piston 70 protrudes into a cylinder 72, in which it is displaceably guided in the longitudinal direction and loaded by a compression spring F2. By this load, the pinch roller 33 is pressed in the direction of the suction roller.
the cylinder 72 is pivotally mounted on an axle 24 which is connected to the carrier 20.
the pressure arm 71 thus consists in the present example of a cylinder 72 having a pivot axis 24 and a loaded with a spring F2 piston 70th
the nip P at the same time forms a so-called "rotation lock gap", from which the fiber material in the conveying direction FS in the form of a compressed yarn FK is supplied under rotation distribution of a ring spinning device shown schematically.
This is provided with a ring 39 and a rotor 40, wherein the yarn is wound on a sleeve 41 to form a coil 42 (Kops).
a yarn guide 43 is arranged between the nip line P and the rotor 40.
the ring 39 is attached to a ring frame 44, which performs an up and down movement during the spinning process.
a suction pipe 75 is attached to both sides of the support 20 and is provided with an opening (not shown). The suction pipe opens into the suction channel SK of the carrier 20th
the transfer of the suction drums 17 is shown from an inoperative position to an operating position.
the carrier 20 is shown only schematically dash-dotted lines.
the carrier 20 is transferred from a representation shown in dashed lines in a mounted first out of service position. This is when moving the carrier in the direction of the suction pipe 50 pushed the tail 46 in the coupling position KS on the suction pipe 50 by hand until it is seated on the suction pipe and clamped there.
the end piece 46 can now be pivoted about the end piece 46 of the carrier 20, or the entire compression unit VM about the center axis MA of the suction tube 50 in the direction of the pair of output rollers 7, 8 of the drafting unit 2.
the suction roller 17 or drive means connected to it comes into contact with the lower roller 7, whereby a drive connection between the driven roller 7 and the suction roller 17 is produced via a frictional connection (friction).
the pinch roller 33 is pivoted under the action of the lower roller 7 and the spring F2 in an over-center position, which in Figure 4 is shown. That is, the axis 32 of the pinch roller 33 is now below the connecting line VL between the axis 22 of the suction drum 17 and the pivot axis 24 of the cylinder 72.
a Stop 64 mounted on which the cylinder 72 comes to rest ( Figure 4 ).
the dismantling of the compression unit takes place in the reverse direction.
the return of the pinch roller 33 after disassembly into the in Fig.2 shown position can be done manually.
FIG. 5 corresponds essentially to the embodiment of the Fig.1 , The only difference is the locking lever 10 attached to the locking element.
a leaf spring 68 is used, which is fastened by means of screws 69 on the pressure lever 10.
the present in dashed lines and high tilted position existing angle c of the leaf spring 68 is increased when the shown with solid lines and closed operating position is taken.
the leaf spring exerts a compressive force in the direction of the attached to the carrier 20 essay 60 in the region of its end-mounted web 62, whereby the compression unit is locked in this position.
the proposed invention provides a simple operation in connection with the assembly and disassembly of the compression unit.
the positions of the rollers of the drafting unit and the compression unit are fixed relative to the machine frame exactly during the entire operating period to each other by the proposed lock. This ensures consistent conditions during the entire service life.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Textile Engineering (AREA)
Spinning Or Twisting Of Yarns (AREA)

EP12735432.2A 2011-07-25 2012-06-29 Spinnmaschine mit einer verdichtungsvorrichtung Active EP2737116B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH01241/11A CH705307A1 (de)	2011-07-25	2011-07-25	Spinnmaschine mit einer Verdichtungsvorrichtung.
PCT/CH2012/000144 WO2013013330A1 (de)	2011-07-25	2012-06-29	Spinnmaschine mit einer verdichtungsvorrichtung

Publications (2)

Publication Number	Publication Date
EP2737116A1 EP2737116A1 (de)	2014-06-04
EP2737116B1 true EP2737116B1 (de)	2015-07-29

Family

ID=46514034

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12735432.2A Active EP2737116B1 (de)	2011-07-25	2012-06-29	Spinnmaschine mit einer verdichtungsvorrichtung

Country Status (6)

Country	Link
US (1)	US9353464B2 (zh)
EP (1)	EP2737116B1 (zh)
JP (1)	JP6116562B2 (zh)
CN (1)	CN103687985B (zh)
CH (1)	CH705307A1 (zh)
WO (1)	WO2013013330A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH704137A1 (de) *	2010-11-26	2012-05-31	Rieter Ag Maschf	Vorrichtung zum Verdichten eines Faserverbandes an einer Spinnmaschine sowie Spinnmaschine.
CH706258A2 (de) *	2012-03-21	2013-09-30	Rieter Ag Maschf	Tragelement für eine Verdichtungsvorrichtung.
CN203546265U (zh) *	2013-09-29	2014-04-16	陈伟雄	一种环锭细纱负压气流槽聚法纺纱装置
CH709312A1 (de) *	2014-02-27	2015-08-28	Rieter Ag Maschf	Verdichtungsvorrichtung mit Saugtrommel.
JP2016094682A (ja) *	2014-11-13	2016-05-26	村田機械株式会社	ドラフト装置及び紡績ユニット
DE102017118111A1 (de) *	2017-08-09	2019-02-14	TRüTZSCHLER GMBH & CO. KG	Karde
CH719132A1 (de)	2021-11-10	2023-05-15	Rieter Ag Maschf	Verdichtungsvorrichtung an einer Spinnmaschine mit einem Anzeigeelement.

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH199210A (de)	1936-02-02	1938-08-15	Werner Lasch	Ski-Rastmöbel.
US2875476A (en) *	1953-10-13	1959-03-03	Spinnbau Gmbh	Drafting frame
DE4323472C2 (de) *	1993-07-14	1997-08-07	Inst F Textil Und Verfahrenste	Doppelriemchen-Streckwerk
DE19708410B4 (de) *	1997-03-03	2007-03-29	Saurer Gmbh & Co. Kg	Streckwerk für Spinnmaschinen mit einer Faserbündelungszone
DE19815051A1 (de) *	1998-04-03	1999-10-14	Zinser Textilmaschinen Gmbh	Spinnmaschine mit einem einen Saugrotor aufweisenden Streckwerk
DE19815050B4 (de) *	1998-04-03	2005-09-22	Saurer Gmbh & Co. Kg	Verdichtungsstreckwerk für eine Spinnmaschine
DE19815053B4 (de) *	1998-04-03	2006-01-05	Saurer Gmbh & Co. Kg	Verfahren zum Herstellen eines Scheinzwirnes und Spinnmaschine hierfür
DE19838762B4 (de) *	1998-08-26	2009-04-16	Maschinenfabrik Rieter Ag	Spinnmaschine mit einer Vielzahl von Spinnstellen
DE19933747A1 (de)	1999-07-19	2001-01-25	Stahlecker Fritz	Spinnmaschine mit einer Vielzahl von Spinnstellen
JP2001279539A (ja) *	2000-03-08	2001-10-10	Zinser Textilmas Gmbh	精紡機のドラフト機構
DE10145670A1 (de) *	2001-09-11	2003-03-27	Rieter Ag Maschf	Halterung für Klemmwalzen
JP3820951B2 (ja)	2001-10-04	2006-09-13	株式会社豊田自動織機	紡機における繊維束集束装置
DE10227463C1 (de) *	2002-06-20	2003-10-16	Zinser Textilmaschinen Gmbh	Ringspinnmaschine mit Streckwerken und Verdichtungsvorrichtungen
CN2585875Y (zh) *	2002-11-05	2003-11-12	倪远	紧密纱纺纱的凝聚装置
CN2585874Y (zh) *	2002-11-05	2003-11-12	倪远	一种紧密纱纺纱的凝聚装置
CN2613493Y (zh) *	2003-01-27	2004-04-28	上海二纺机股份有限公司	环锭细纱机的紧密纺纱装置
CN100497777C (zh) *	2004-09-04	2009-06-10	无锡集聚纺织器械有限公司	一种积极传动的紧密纺吸聚圈传动装置
CN2851298Y (zh)	2005-11-04	2006-12-27	倪远	环锭精纺机紧密纺纱装置
CN101513896B (zh)	2009-04-03	2011-06-22	闫成贵	汽车转向传动机构
CN101613896B (zh)	2009-04-03	2011-03-23	张忠宝	四罗拉紧密纺纱机专用的过桥齿轮装置
JP5251855B2 (ja)	2009-12-11	2013-07-31	株式会社豊田自動織機	紡機における繊維束集束装置
CH702653A2 (de) *	2010-02-12	2011-08-15	Rieter Ag Maschf	Streckwerkseinheit für eine Spinnmaschine.
CH704137A1 (de)	2010-11-26	2012-05-31	Rieter Ag Maschf	Vorrichtung zum Verdichten eines Faserverbandes an einer Spinnmaschine sowie Spinnmaschine.
CH706258A2 (de) *	2012-03-21	2013-09-30	Rieter Ag Maschf	Tragelement für eine Verdichtungsvorrichtung.

2011
- 2011-07-25 CH CH01241/11A patent/CH705307A1/de not_active Application Discontinuation
2012
- 2012-06-29 US US14/234,782 patent/US9353464B2/en not_active Expired - Fee Related
- 2012-06-29 WO PCT/CH2012/000144 patent/WO2013013330A1/de active Application Filing
- 2012-06-29 CN CN201280037096.8A patent/CN103687985B/zh active Active
- 2012-06-29 JP JP2014521889A patent/JP6116562B2/ja active Active
- 2012-06-29 EP EP12735432.2A patent/EP2737116B1/de active Active

Also Published As

Publication number	Publication date
US20140157749A1 (en)	2014-06-12
CN103687985A (zh)	2014-03-26
JP6116562B2 (ja)	2017-04-19
CH705307A1 (de)	2013-01-31
US9353464B2 (en)	2016-05-31
JP2014521845A (ja)	2014-08-28
CN103687985B (zh)	2017-05-24
EP2737116A1 (de)	2014-06-04
WO2013013330A1 (de)	2013-01-31

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