EP3207171A1 - Disposition d'aspiration pour peigneuse - Google Patents

Disposition d'aspiration pour peigneuse

Info

Publication number
EP3207171A1
EP3207171A1 EP15777740.0A EP15777740A EP3207171A1 EP 3207171 A1 EP3207171 A1 EP 3207171A1 EP 15777740 A EP15777740 A EP 15777740A EP 3207171 A1 EP3207171 A1 EP 3207171A1
Authority
EP
European Patent Office
Prior art keywords
combing
channel
suction
negative pressure
collecting channel
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
Application number
EP15777740.0A
Other languages
German (de)
English (en)
Other versions
EP3207171B1 (fr
Inventor
Daniel Bommer
Ueli Stutz
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.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3207171A1 publication Critical patent/EP3207171A1/fr
Application granted granted Critical
Publication of EP3207171B1 publication Critical patent/EP3207171B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/22—Arrangements for removing, or disposing of, noil or waste
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/14—Drawing-off and delivery apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/28—Air draught or like pneumatic arrangements

Definitions

  • the invention relates to a combing machine according to the preamble of the main claim.
  • the combers used in practice today usually have eight side by side arranged combing heads, which in each case a cotton roll is presented for combing out.
  • the nonwoven fabric combed out and delivered by the individual combing heads is combined into a sliver by means of known devices and supplied to a subsequent drafting unit on a guide table transversely to the material flow direction of the combing head.
  • the sliver formed at the drafting device is then placed in a loop in a can through a funnel wheel in a can.
  • Such combing machines work today with Kammspiellibrary of up to 600 KS / min.
  • combers have a gear unit, a longitudinal part with juxtaposed combing heads and a drafting unit with subsequent tape storage.
  • the longitudinal part knows a machine frame, which consists of a solid bottom plate, on which massive side plates are attached. Between the side plates, which are also provided with bearings for the longitudinal shafts, the individual units of the combing heads are attached.
  • published EP 2 397 583 A2 shows an embodiment of a comber, wherein a plurality of combing heads are arranged between a right and a left frame part, wherein the frame parts are supported on the floor. In the middle section additional supports may be provided on the ground. Between the right and left frame parts at least two side members are proposed, of which at least the forceps shaft, the circular comb shaft and a tear-off roller are supported. The type of attachment is not shown and described in detail here.
  • juxtaposed Kämmaggregate are provided, which are each mounted between two frame signs, which are mounted on a side member.
  • the longitudinal member is attached to two frame elements, which are supported on the ground.
  • a collecting channel is provided below the longitudinal member, in which the combed out at the respective comb units components (noils, nits, dirt) are collected and transported away.
  • the collecting channel is provided with individual suction nozzles, which protrude to the combing aggregates.
  • a screen drum is also shown in this application, on softer a nonwoven fabric is formed after the tearing off.
  • the respective intake pipes of the nonwoven fabric forming means of Kämmaggregate open into a common suction channel, which is in communication with the first vacuum source, wherein the suction channel and the collecting channel side by side and in the longitudinal direction of the longitudinal member and mounted below the combing units are.
  • suction pipes made of plastic can be made by blow molding.
  • Suction pipes can be produced with this known method, which have no inner seam, on which fibers could accumulate, which in turn can lead to blockages in the pipes.
  • the use of suction tubes, which are produced by this method, is particularly suitable for the textile machinery sector.
  • the required negative pressure for the soldering process on the nonwoven fabric forming means is e.g. up to six times higher than the required vacuum for the suction of the combed components.
  • a nonwoven fabric forming agent may, for.
  • As a screen drum or a circumferential, perforated belt are used.
  • appropriate inserts for example slides can be provided between the suction channel and the respective suction tubes, or between the collecting channel and the respective suction channels.
  • the proposed attachment of the collecting channel and the suction channel below the combing units on the one hand ensures free accessibility to the elements of Kämmaggregate and on the other hand also allows easy access to the collecting channel and the suction channel. As a result, any necessary cleaning work in the area of the above-mentioned suction channels are simplified.
  • the suction channel and the collecting channel are mounted below the longitudinal member. This allows easy attachment of the channels and results in a compact and space-saving design.
  • the longitudinal beam is fixed at its ends to frame members which are supported on the ground and the frame members with Passages are provided, in which protrude the suction channel and the collecting channel.
  • the collecting channel has a larger cross section than the suction channel.
  • At least one air pressure sensor is mounted within the suction channel and is connected to a control unit which is in communication with the control of the first vacuum source. This makes it possible to correct a deviation of the applied negative pressure determined by the sensors via the control of the control of the negative pressure source by the control unit.
  • the negative pressure in the suction channel is at least twice as great as the negative pressure in the collecting channel.
  • the negative pressure in the suction channel between 500 and 1500 Pa (Pascal) and the negative pressure in the collecting channel between 100 and 500 Pa amount.
  • the respective vertical longitudinal sides of the suction channel and the collecting channel, which do not face each other, are each provided with at least one closable service opening.
  • connection channel is provided on the output side of the first vacuum source, which is provided with a one-way blocking element and opens into a connection channel on the input side of the second vacuum source.
  • input side and output side refers to the direction of the air flow.
  • the entrained in the air flow of the suction channel components are also supplied to a central disposal facility 30.
  • the blocking element prevents the two suction systems from influencing each other.
  • FIG. 1 shows a schematic front view of a combing machine according to the invention
  • FIG. 2 shows a schematic side view X according to FIG
  • FIG. 3a shows a partial view of the tear-off according to Figure 3 in side view
  • a longitudinal part LT of a combing machine 1 is shown, wherein a drive unit A, which adjoins this longitudinal part laterally, is indicated only schematically. Likewise, a subsequent tape tray BA with a drafting unit S is indicated only schematically. These can be designed as in known embodiments.
  • the longitudinal part LT consists in the present example of a single longitudinal member 7, which is fixed to frame elements RE via schematically shown screws R at its two ends. He has a distance FA to the ground 0.
  • the two frame elements RE are each provided with two height-adjustable feet 20 on their undersides, by means of which they are supported on the floor O. By means of the adjustable feet, the longitudinal part can correspond to the soil condition. be aligned.
  • a collecting channel 17 is mounted, which projects into openings 23 of the frame elements RE and there fastened (not shown) is.
  • combing aggregate is to be understood as meaning a device for combing out a pulp with subsequent banding of the combed pulp, as a rule such a device consists of the following individual components such as a nipper unit, combing cylinder (round comb), fixed comb, tearing cylinder or one with which Combination cylinder cooperating tear-off roller (Heilmann principle) with a subsequent soldering device (eg a sieve drum) and a non-woven assembly with band formation
  • a combing unit is shown, which operates according to the Heilmann principle.
  • the individual suction channels 17a with a channel 21, in which a combing cylinder 1 1 and a brush roller 13 are rotatably mounted, is provided for cleaning the combing segment of the combing cylinder, via the combing segment fastened on the combing cylinder 1 1 becomes a Fa, which protrudes from the closed pliers 10 serbart combed, as can be seen from the enlarged view of Figure 3.
  • the combed out components enter a channel 21 and are transferred under the action of a negative pressure in the suction channel 17a, the other end opens into the collecting channel 17, via the collecting channel 17, via the connecting channel 31 with a second negative pressure source P2 in connection, the extracted components are eg a central disposal facility 30 supplied.
  • the longitudinal member 7 has a U-shaped longitudinal profile U with a bottom wall U1. In extension of the bottom wall U1 adjoins the longitudinal profile U, a side wall SW, which extends vertically upwards in the mounted position.
  • a transverse web QS is provided in each case between two adjacent frame plates RS, which has a length which corresponds to the distance G.
  • the transverse webs at their respective ends, with which they rest against the respective frame plate RS, laterally protruding tabs, via which they fastened means of Befest Trentsmit- (eg., Screws) on the side plate SE become.
  • the side plate can be provided with corresponding stops or depressions, to position the transverse web for mounting exactly.
  • the individual side shields SE are provided with a plurality of bearing receptacles for receiving and supporting longitudinal shafts (for example the shaft 15 of the combing cylinder 11 or the shaft of the brushing roller 13). These longitudinal shafts are driven by drive elements, which are located in the drive unit A.
  • a lower tong plate 2 of a nipper assembly 10 (“tongs" for short) is fastened to the transverse webs Q.
  • spacer plates 25 can be provided between the surface of the transverse web QS and the lower nipper plate be to adjust their position with respect to the enveloping circle of the combing cylinder 1 1.
  • a pivotable frame 4 is mounted, which carries an upper tong plate 3, which together with the lower tong plate 2 can form a nip, as can be seen from the present view of FIG.
  • the frame 4 is pivotally mounted about not shown means to a mounted on the frame signs RS axis 6.
  • the frame 4 may be pivotally mounted directly on the tong plate 2.
  • the fiber tuft projecting beyond the clamping point is combed out by a combing segment of a combing cylinder 11.
  • the fiber tuft represents the free end of a fiber mass, which in the form of one or more fiber slivers Z, which are drawn off from cans KV, are fed in the conveying direction F to the clamping point of the forceps under the action of a feed cylinder 9.
  • a tear-off segment is attached, which cooperates with the tear-off of the combed end of the tuft with an undeliverable tear-off roller 12.
  • the fiber material of the tuft is drawn into a combing 34 of a schematically shown fixed comb 33.
  • the fiber material drawn off via the nip is pulled through the combing set 34 of the fixed comb 33, whereby nits and other impurities are retained and combed out. In this case, such areas of the fiber material are combed out by the fixed comb, which were not detected due to the geometric conditions by the combing segment of the combing cylinder.
  • the combing set 34 of the fixing comb 33 consists of individual fitting teeth arranged in line with each other, between each of which a free space (lane) is provided through which the fiber material is pulled.
  • the individual fitting teeth can be made of stamped tooth sets. However, if a larger number of teeth Zahniturzähnen per cm is required, it is necessary to produce the individual fitting teeth with a very small thickness. It must be ensured that, despite the small tooth thickness, the exact contour of the external tooth form is ensured during manufacture. To produce such sets of teeth, the production of the individual fitting teeth is proposed by the photolithography method.
  • the withdrawn (broken) fiber packets are then brought together (soldered) on a subsequent screen drum 16 and formed on a unit 26 (with fleece straightener and calender roll) to form a sliver B.
  • the sliver B formed in this way is deposited on a conveyor table FB, on which it is transferred with further adjacent slivers of adjacent Kämmaggregate to a subsequent drafting unit S.
  • the feed table FB can consist of a driven conveyor belt.
  • the slivers can also be in several, z. B. two superimposed layers are conveyed to the drafting unit.
  • the sliver formed on the drafting unit S is fed to a storage device, via which it is placed loop-shaped in cans.
  • a screen drum 16 is used for web formation, on the interior of which a negative pressure is applied to guide the torn off fiber packets accordingly and to attach and solder to the end of an already formed fiber web on the circumference of the screen drum.
  • a driven control element (not shown) may additionally be provided, via which the air flows in the delivery area of the fiber packets are controlled accordingly.
  • Such a control is z.
  • WO 2006/012759 have been shown and described. In order to be able to carry out the described piecing process (soldering process) even at high comb rates (eg> 1000 KS / min), a high and constant negative pressure is required.
  • a first and own vacuum source P1 is provided, which communicates via the suction pipe 18 with the interior IR of the suction drum 16 in connection.
  • the individual intake pipes 18 which communicate with the respective suction drums 16 open into a suction channel 19, to which the vacuum source P1 is connected directly (or via a further channel).
  • the suction channel 19 is disposed directly below the longitudinal member 7 and extends parallel to the same vertical plane as an adjacent collecting channel 17, which communicates via a channel 31 with a second negative pressure source P2. As indicated in FIG. 1, the collecting channel 17, as well as the suction channel 19, run next to each other and in the longitudinal direction LR of the longitudinal member 7.
  • the collecting channel 17 and the suction channel 19 protrude into openings 23 in the frame parts RE and are fixed there.
  • the further connection of the collecting channel 17 to the vacuum source P2 and the connection of the suction channel 19 with the vacuum source P1 is indicated only schematically in FIGS. 2 and 3 respectively.
  • the collecting channel 17 and the suction channel 19 below the combing heads X1 -X8 and below the longitudinal member 7, on which the combing heads are fixed one obtains a compact design of the combing machine.
  • the combing heads are easily accessible through these and leading to the combing heads suction channels 17a. or suction tubes 18 can be made correspondingly short, without affecting the good accessibility.
  • accessibility to the collecting channel 17 and the suction channel 19 is simplified with the proposed attachment.
  • the collecting channel 17 may be provided with one (or more) opening 36 which is closable by a cover (eg door) 36a.
  • one (or more) opening 38 can be provided in the suction channel 19, which can be closed by a cover (door) 38a.
  • Service work eg cleaning work
  • the suction channels 17a can be arranged approximately in the vertical direction.
  • the outflow in the channels 21 can be transferred directly and without loss to the subsequent collection channel 17, from which it is transferred via the channel 31 to a central collection point 30 under the influence of the vacuum source P2 ,
  • the negative pressure generated by the negative pressure source for example at the level of 900 Pa (Pascal)
  • one or more compressed air sensors 40 are mounted within the suction channel 19, which are connected via lines 42 to a control unit ST in connection.
  • the control unit ST is connected to a controller 44, which controls the vacuum source P1. If a predetermined negative pressure is exceeded or fallen below, this is measured by the sensors 40 and transmitted to the control unit ST. Via the control unit ST, a control command is transmitted to the controller 44 in accordance with the signal from the sensor 40, which controls the vacuum source P1 accordingly until the sensors 40 again signal a predetermined desired value.
  • connection cable is connected downstream of the vacuum source P1 (at about 900 Pa).
  • Nal 46 is provided to a connecting channel 31 which is mounted between the collecting channel 17 and the second negative pressure source P2 (about 150 Pa).
  • a one-way blocking element 48 is provided in the connecting channel 46. This blocking member 48 allows in the channel 46 only an air flow in the direction of the vacuum source P2, as indicated by an arrow.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

L'invention concerne une peigneuse (1) équipée d'une pluralité d'unités de peignage (X1-X8) qui sont fixées les unes à côté des autres en rangée sur un support longitudinal (7) d'un châssis et qui comporte chacune une unité de pinces (10), un cylindre de peignage (11), un dispositif arracheur (12) et un moyen entraîné (16) qui forme un non-tissé et qui comporte sur toute sa périphérie des orifices destinés au passage de l'air et dont l'espace intérieur (IR) est relié par le biais d'au moins un tube d'aspiration (18) à une première source de pression négative (P1) et à un conduit d'aspiration (17a), associé à l'unité de peignage respective, qui est destiné à évacuer les composants peignés et qui débouche dans un conduit collecteur commun (17) qui est en liaison avec une seconde source de pression négative (P2). Selon l'invention, pour assurer une bonne accessibilité aux unités de peignage individuelles et aux dispositifs d'aspiration utilisés à cet effet, les tubes d'aspiration (18) respectifs des moyens (16), formant le non-tissé, des unités de peignage (X1-X8) débouchent dans un conduit d'aspiration commun (19) qui est en communication avec la première source de pression négative (P1); le conduit d'aspiration (19) et le conduit collecteur (17) s'étendent l'un à côté de l'autre dans la direction longitudinale du support longitudinal (7) et sont montés au-dessous des unités de peignage (X1-X8).
EP15777740.0A 2014-10-16 2015-09-29 Disposition d'aspiration pour peigneuse Active EP3207171B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01584/14A CH710260A2 (de) 2014-10-16 2014-10-16 Kämmmaschine.
PCT/IB2015/057439 WO2016059495A1 (fr) 2014-10-16 2015-09-29 Disposition d'aspiration pour peigneuse

Publications (2)

Publication Number Publication Date
EP3207171A1 true EP3207171A1 (fr) 2017-08-23
EP3207171B1 EP3207171B1 (fr) 2019-02-27

Family

ID=54266594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15777740.0A Active EP3207171B1 (fr) 2014-10-16 2015-09-29 Disposition d'aspiration pour peigneuse

Country Status (6)

Country Link
EP (1) EP3207171B1 (fr)
JP (1) JP2017534776A (fr)
CN (1) CN106795657B (fr)
CH (1) CH710260A2 (fr)
TR (1) TR201905754T4 (fr)
WO (1) WO2016059495A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106676682B (zh) * 2017-03-16 2023-06-06 江苏凯宫机械股份有限公司 智能精梳机的自清洁绒辊
DE102017113089A1 (de) 2017-06-14 2018-12-20 Trützschler GmbH & Co Kommanditgesellschaft Kämmmaschine
CN107794604B (zh) * 2017-12-08 2023-07-18 江苏凯宫机械股份有限公司 多种纤维卷混纺的智能精梳机吸尾卷***
CH719552A1 (de) * 2022-03-28 2023-10-13 Rieter Ag Maschf Kämmmaschine mit einer Absaugung.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH683191A5 (de) * 1991-05-22 1994-01-31 Rieter Ag Maschf Einrichtung zum Sammeln von Wattestücken, die in Kämmaschinen von Wattebändern abgetrennt werden.
CH685301A5 (de) * 1992-04-03 1995-05-31 Rieter Ag Maschf Kämmaschine.
DE4228827C2 (de) * 1992-09-01 1998-05-20 Csm Gmbh Verfahren und Vorrichtung zum Verdichten eines diskontinuierlich durch Löten von Kammzügen gebildeten Vlieses
IT1283496B1 (it) * 1995-07-26 1998-04-21 Rieter Ag Maschf Pettinatrice per fibre
DE502005004534D1 (de) 2004-08-05 2008-08-07 Rieter Ag Maschf Kämmmaschine
CH697734B1 (de) * 2005-07-26 2009-01-30 Rieter Agpatente Und Lizenzen Textilmaterial verarbeitende Maschine.
DE102008004098A1 (de) * 2007-06-29 2009-01-02 TRüTZSCHLER GMBH & CO. KG Vorrichtung zur Fasersortierung bzw. -selektion eines Faserverbandes aus Textilfasern, insbesondere zum Kämmen, der über Zuführmittel einer Fasersortiereinrichtung, insbesondere Kämmeinrichtung zugeführt wird
CH699790A2 (de) 2008-10-24 2010-04-30 Rieter Ag Maschf Kämmvorrichtung mit schwenkbarem Rahmen.
CH699789A2 (de) 2008-10-24 2010-04-30 Rieter Ag Maschf Kämmvorrichtung zum Kämmen eines Fasermaterials mit Druckbelastung der Abreisswalze.
JP5648333B2 (ja) 2010-06-16 2015-01-07 株式会社豊田自動織機 コーマのフレーム構造
JP2013253346A (ja) * 2012-06-07 2013-12-19 Toyota Industries Corp コーマ

Also Published As

Publication number Publication date
WO2016059495A1 (fr) 2016-04-21
CN106795657B (zh) 2019-06-04
TR201905754T4 (tr) 2019-05-21
CN106795657A (zh) 2017-05-31
CH710260A2 (de) 2016-04-29
EP3207171B1 (fr) 2019-02-27
JP2017534776A (ja) 2017-11-24

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