EP3207171B1 - Disposition d'aspiration pour peigneuse - Google Patents

Disposition d'aspiration pour peigneuse Download PDF

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Publication number
EP3207171B1
EP3207171B1 EP15777740.0A EP15777740A EP3207171B1 EP 3207171 B1 EP3207171 B1 EP 3207171B1 EP 15777740 A EP15777740 A EP 15777740A EP 3207171 B1 EP3207171 B1 EP 3207171B1
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EP
European Patent Office
Prior art keywords
channel
combing
suction
combing machine
suction 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.)
Active
Application number
EP15777740.0A
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German (de)
English (en)
Other versions
EP3207171A1 (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.)
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Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3207171A1 publication Critical patent/EP3207171A1/fr
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Publication of EP3207171B1 publication Critical patent/EP3207171B1/fr
Active legal-status Critical Current
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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 combed from the individual combing heads and discharged nonwoven fabric is summarized by means of known devices into a sliver and fed transversely to the material flow direction of the combing head on a guide table a subsequent drafting unit.
  • 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.
  • the present invention seeks to propose a device for the extraction of the combed components (noils etc.) and for the application of a negative pressure to a web-forming device, which on the one hand takes into account different vacuum conditions required and on the other hand good accessibility Ensures combing units and suction devices.
  • 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 detected by the sensors deviation of the applied negative pressure on the control of the control of the vacuum 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.
  • a longitudinal part LT of a combing machine 1 is shown, wherein a laterally adjoining this longitudinal part drive unit A 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 O on.
  • the two frame elements RE are provided on their undersides each with two height-adjustable feet 20, via which they are supported on the floor O. About the adjustable feet of the longitudinal part in relation to the soil condition accordingly be aligned.
  • transverse struts are mounted within the U-shaped longitudinal profile.
  • a collecting channel 17 is mounted, which projects into openings 23 of the frame elements RE and there fastened (not shown) is.
  • the collecting channel 17 open spaced suction channels 17a, which lead to the respective combing unit X1 - X8, in which the combed out during the combing process components (noils, dirt, nits, etc.) sucked from the suction channels 17a and the collecting channel 17 are supplied.
  • the term "combing unit” is to be understood as an apparatus for combing out a pulp with subsequent banding of the combed pulp.
  • such a device consists of the following individual components, such as a nipper unit, combing cylinder (round comb), ridge comb, tear-off cylinder or a rip-off roller cooperating with the combing cylinder (Heilmann principle) with a subsequent soldering device (eg a screening drum) and a nonwoven assembly banding.
  • a combing unit is shown, which works according to the Heilmann principle.
  • the individual suction channels 17a are connected to a channel 21, in which a combing cylinder 11 and a brush roller 13 are rotatably mounted.
  • the brush roller is provided for cleaning the combing segment of the combing cylinder.
  • a tuft protruding from the closed pliers 10 is combed out, as shown in the enlarged view Figure 3 can be seen.
  • 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 is in connection, the extracted components are supplied to a central disposal facility 30, for example.
  • Fig.1 are mounted on the side rail 7 at a distance G, a plurality of frame signs RS, which extend vertically upwards.
  • the longitudinal member 7 has a U-shaped longitudinal profile U with a bottom wall U1.
  • a side wall SW 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 side plate can be provided with corresponding stops or depressions, to position the transverse web for mounting exactly.
  • the individual side panels SE are provided with a plurality of bearing seats for receiving and supporting longitudinal shafts (e.g., the shaft 15 of the combing cylinder 11 or the shaft of the brush 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 unit 10 (called “tongs" for short) is fastened to the transverse webs QS. How out
  • Figure 3 can be found between the surface of the transverse web QS and the lower tong plate spacer plates 25 may be provided to adjust their position with respect to the enveloping circle of the combing cylinder 11.
  • a pivotal frame 4 is mounted, which carries an upper tong plate 3, which together with the lower tong plate 2 can form a nip, as from the present view of Figure 3 can be seen.
  • 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 tuft represents the free end of a fiber mass, which in the form of one or more slivers Z, which are withdrawn from cans KV, in the conveying direction F of the nip of the pliers under the action of a feed cylinder 9 are supplied.
  • 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 fed into a combing 34 of a schematically shown fixing 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 34 of the fixed comb 33 is usually made of individual juxtaposed Garniturzähnen between which a free space (alley) 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.
  • soldering process for forming a nonwoven fabric can, for. B. from the EP-2 350 361 A1 be removed.
  • 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 conveyor table FB may 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. B. in the WHERE 2006/012759 shown and described.
  • 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.
  • 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 in the Fig. 2 , or. Figure 3 only indicated schematically.
  • 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.
  • the accessibility to the collecting channel 17 and the suction channel 19 is simplified with the proposed attachment.
  • the collection channel 17 may be provided with one (or more) opening 36 which is closable by a cover (e.g., 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 (noils, nits, dirt, etc.) 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 channel 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 locking member 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)

Claims (11)

  1. Peigneuse (1) avec plusieurs ensembles de peignage (X1 à X8) fixées côte à côté en ligne sur un longeron (7) d'un cadre et présentant respectivement un groupe à pince (10), un peigne circulaire (11), un dispositif d'arrachage (12) et un moyen motorisé (16) formant du toison fibreuse qui présente sur sa périphérie circonférentielle des ouvertures pour un passage d'air et dont l'intérieur (IR) est relié à une première source de vide (P1) par au moins un tuyau d'aspiration (18) et avec respectivement un canal d'aspiration (17a) attribué au d'ensemble de peignage respectif pour évacuer des éléments démêlés qui débouche sur un canal collecteur commun (17) en communication avec une deuxième source de vide (P2), dans laquelle les tuyaux d'aspiration (18) respectifs des moyens (16) formant du toison fibreuse des ensemble de peignage (X1 à X8) débouchent sur un conduit d'aspiration commun (19) en communication avec la première source de vide (P1), ledit conduit d'aspiration (19) et ledit canal collecteur (17) s'étendant côte à côte et dans la direction longitudinale du longeron (7) en étant installés au-dessous des ensembles de peignage (X1 à X8).
  2. Peigneuse (1) selon la revendication 1, caractérisée en ce que le conduit d'aspiration (19) et le canal collecteur (17) sont installés au-dessous du longeron (7).
  3. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le longeron (7) est fixé au niveau de ses extrémités à des éléments de cadre (RE) prenant appui sur le sol (O), et les éléments de cadre (RE) sont munis d'ouvertures traversantes (23) dans lesquelles font saillie le conduit d'aspiration (19) et le canal collecteur (17).
  4. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que - vu depuis une face avant de commande (VB) de la peigneuse (1) - derrière le longeron (7) et au-dessus du conduit d'aspiration et du canal collecteur (17, 19), est prévu un sous-ensemble (50) s'étendant le long du longeron et dans lequel sont logés des éléments électriques et pneumatiques pour commander les ensembles de peignage (X1 à X8).
  5. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que - vu depuis une face avant de commande (VB) de la peigneuse (1) - le canal collecteur (17) pour les éléments démêlés est disposé avant le conduit d'aspiration (19).
  6. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le canal collecteur (17) présente une section transversale plus grande que le conduit d'aspiration (19).
  7. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'à l'intérieur du conduit d'aspiration (19) au moins un capteur de pression d'air (40) est installé qui est relié à une unité de commande (ST) en communication avec le dispositif de commande (44) de la première source de vide (P1).
  8. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que le vide dans le conduit d'aspiration (19) est au moins deux fois le vide dans le canal collecteur (17).
  9. Peigneuse (1) selon la revendication 8, caractérisée en ce que le vide dans le conduit d'aspiration (19) est compris entre 500 Pa et 1500 Pa et le vide dans le canal collecteur (17) est compris entre 100 Pa et 500 Pa.
  10. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les côtés longitudinaux verticaux respectifs du conduit d'aspiration (19) et du canal collecteur (17) qui ne se font pas face sont respectivement munis d'au moins une ouverture de service (36, 38) verrouillable.
  11. Peigneuse (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un canal de raccordement (46) muni d'un élément de verrouillage (48) à effet unilatéral est prévu du côté sortie de la première source de vide (P1) qui débouche sur un canal de raccordement (31) du côté entrée de la deuxième source de vide (P2).
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 EP3207171A1 (fr) 2017-08-23
EP3207171B1 true 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253617A1 (fr) * 2022-03-28 2023-10-04 Maschinenfabrik Rieter AG Aspiration d'un emplacement de peignage dans une peigneuse

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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系统

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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
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CN101035937B (zh) * 2004-08-05 2011-06-22 里特机械公司 精梳机
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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
CH699789A2 (de) 2008-10-24 2010-04-30 Rieter Ag Maschf Kämmvorrichtung zum Kämmen eines Fasermaterials mit Druckbelastung der Abreisswalze.
CH699790A2 (de) 2008-10-24 2010-04-30 Rieter Ag Maschf Kämmvorrichtung mit schwenkbarem Rahmen.
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

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Publication number Priority date Publication date Assignee Title
EP4253617A1 (fr) * 2022-03-28 2023-10-04 Maschinenfabrik Rieter AG Aspiration d'un emplacement de peignage dans une peigneuse

Also Published As

Publication number Publication date
WO2016059495A1 (fr) 2016-04-21
TR201905754T4 (tr) 2019-05-21
EP3207171A1 (fr) 2017-08-23
JP2017534776A (ja) 2017-11-24
CN106795657B (zh) 2019-06-04
CN106795657A (zh) 2017-05-31
CH710260A2 (de) 2016-04-29

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