EP2350361A1 - Dispositif peigneur avec cadre pivotant - Google Patents

Dispositif peigneur avec cadre pivotant

Info

Publication number
EP2350361A1
EP2350361A1 EP09740631A EP09740631A EP2350361A1 EP 2350361 A1 EP2350361 A1 EP 2350361A1 EP 09740631 A EP09740631 A EP 09740631A EP 09740631 A EP09740631 A EP 09740631A EP 2350361 A1 EP2350361 A1 EP 2350361A1
Authority
EP
European Patent Office
Prior art keywords
frame
roller
combing
pivotable
plate
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
EP09740631A
Other languages
German (de)
English (en)
Other versions
EP2350361B1 (fr
Inventor
Ueli Stutz
Daniel Sommer
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 EP2350361A1 publication Critical patent/EP2350361A1/fr
Application granted granted Critical
Publication of EP2350361B1 publication Critical patent/EP2350361B1/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
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/02—Gill boxes or other drafting machines employing fallers or like pinned bars
    • D01H5/10—Gill boxes or other drafting machines employing fallers or like pinned bars with pinned bars unconnected with each other but actuated through pressure of one against another
    • 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
    • D01G19/16—Nipper mechanisms
    • 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
    • D01H5/02—Gill boxes or other drafting machines employing fallers or like pinned bars

Definitions

  • the invention relates to a combing device for combing a fiber material according to the preamble of claim 1.
  • Segment torn fiber packet delivered to a subsequent pair of rollers where it is connected to the end of an already formed web, or soldered.
  • the pair of rollers is driven by a pilgrim step movement. That Before a new withdrawn fiber package is fed to the roller pair, it is driven in an opposite direction of rotation, in which the end of the already formed web is conveyed back by a partial amount against the actual conveying direction. Once this process is completed, the front end of the new fiber packet is placed on the end of the transported back end of the fibrous web (roof tile-like), or overlapped.
  • the region of the overlap passes into the nip line of the pair of rollers, as a result of which solidification or soldering of the fiber packet to the end of the nonwoven takes place.
  • the feed cylinders feed a certain amount of the roll of wadding unrolled from a wrapped roll into the opened tongs. As a result, the length of the tuft extending beyond the clamping point of the tongs increases by the delivered
  • the nipper unit is fixedly mounted in the machine frame, while the rip-off roller, which cooperates with a tear-off, performs a horizontal movement relative to the nipper unit during the combing process.
  • the tear-off roller moves only in the radial direction of the combing cylinder, while the nipper unit moves in the horizontal direction to the tear-off roller.
  • the ends of the tear-off roller are stored in sleeves, which are received in Gabein.
  • the sleeves to achieve the clamping effect of the tear-off rollers, acted upon by weight-loaded hooks. In this case, the hooks and thus the tear-off roller are loaded via correspondingly mounted mechanical springs.
  • Such devices are difficult to access for maintenance in the area of the nipper unit and sometimes requires special tools to with
  • Loading devices loaded elements such as tear roller, feed roller, etc. to transfer to an inoperative position.
  • the invention is therefore based on the object to improve known devices and to propose a device by means of which a simple and quick accessibility to the nipper unit is made possible.
  • the nipper unit is associated with a pivotally mounted frame in the machine frame, the free end of which is pivotable about a fixedly mounted in the machine frame axis, which runs parallel to the axis of rotation of the tear-off roller, and means are provided, via which the pivotable end of the frame in an operating position and at least one Ausser Wegswolf in its position is determined and at least one of the elements, such as the storage of Abreisswalze and / or the storage of the feed roller and / or the Fixkamm is held on the frame.
  • the elements pivoted out by means of the frame such as the tear-off roller, the feed roller and the fixed comb, allow free access to the nipper unit.
  • possibly occurring material congestion in the nipper unit (short "pliers" called) to eliminate them after swinging the frame quickly and easily to resume the operation of the comber as quickly as possible.
  • this device also facilitates the piecing process of a new end of the wad after a roll change.
  • the tear-off roller is followed by a web-forming device, in which the fiber packages drawn off from the tear-off roller are brought together to form a fiber fleece, or are soldered. It is conceivable that also elements of this device are attached to the swing-out frame, via which they can also be moved into a shut-off position.
  • the claimed use of a swing-out frame is particularly suitable for one embodiment wherein the lower tong plate remains in a stationary position in the machine frame during a comb play.
  • the term "stationary" refers to the position of the tong plate tangent to the combing cylinder A slight movement of the lower tong plate during a comb play, seen in the radial direction of the combing cylinder, is still included under the term "stationary". It would also be conceivable to use such a frame in a combing machine with a back and forth oscillating pliers. However, such a solution would be structurally very expensive, since the swinging motion must be taken into account. To form a nip of the feed roller with the lower pliers plate, the feed roller can rest directly on the lower pliers plate or optionally be positioned at a small distance to the lower pliers plate in its working position.
  • the loading device for the upper tong plate is also held on the frame.
  • the loading device is formed of bellows cylinders, which is supported at one end to the frame and at its other end on connected to the upper pliers plate elements.
  • the elements are each equipped with a support surface for the bellows cylinder, which are provided with an opening into which an extension of the bellows cylinder protrudes when the bellows cylinder is supported on the support surface.
  • an embodiment is proposed, wherein the bearing of the feed roll are movably held in guides connected to the frame receptacles and spring elements are provided in the guides, the are arranged between the receptacle and the respective storage of the feed roller.
  • the recordings can also be integrated directly in the frame.
  • a clamping force of the also mitverschwenkten feed roller is generated on the fiber material in the pliers during pivoting of the frame from a non-operating position to an operating position at the same time.
  • the ridge be movably mounted on the pivotable frame and connected to drive means which are coupled to further drive means for driving the feed roller.
  • the tear-off roller is rotatably mounted on both sides in bearing receptacles, which are held on the pivotable frame via retaining elements.
  • the holding elements are movably mounted in the direction of the axis of rotation of the combing cylinder in guides on the pivotal frame and the loading means of the tear-off rest with one end on the respective holding element and with its other end on the pivotal frame.
  • loading means are proposed from pressurizable with compressed air bellows cylinders (B1, B2), which are each secured with its one end on the pivotable frame. These have excellent damping and noise reduction properties in this application and also require little space.
  • FIG. 1 is a schematic side view of a combing head with a swing-out frame claimed according to the invention.
  • FIG. 2 is an enlarged partial view of FIG. 1 in the region of the feed roller
  • FIG. 3 is a partial view X according to FIG.
  • Fig. 1 shows a schematic side view of a combing head, of which several are usually arranged side by side.
  • a schematically indicated nipper unit 1 is provided above a combing cylinder 16.
  • the combing cylinder 16 is rotatably mounted about the axis 15 in the machine frame.
  • the combing cylinder 16 On its circumference, the combing cylinder 16 has a Kämmsegment equipped with sets 19, the opposite a tear-off segment 20 is arranged.
  • hubs 23 are non-rotatably mounted on the axle 15, are mounted on soft cams 22, on soft a tear-off roller 8 is guided with its peripheral surface U2 during a Kammituls.
  • the tear-off roller 8 is supported in each case on a cam disc 22 in the region of its two ends.
  • the tear-off roller 8 is rotatably supported on both sides via its axis 9 via the bearings L in bearing receivers 11, as can be seen from FIG.
  • a holder 12 is fixed in each case, which is guided in each case in a guide 58 which are attached to the side plates 24 a, 24 b of the frame 24.
  • a plate 18 is fixed to the holders, on each of which a bellows cylinder B1, or B2 is supported on the support surface 28.
  • Each bellows cylinder B1, B2 is accommodated in a head part 35 and is fastened via a bracket 36 by means of screws 44 to the respective side plate 24a or 24b of the pivotable frame 24.
  • the bellows cylinders are connected via the lines 37, 38 and a valve 42 with a compressed air source 40 in connection.
  • the supply of compressed air via the valve 42 is controlled by a control unit ST, which is connected via the line 43 to the valve.
  • the bellows cylinder B1, B2 are based on their free ends on support surfaces 28 of the plates 18 from. In this case, the bellows cylinder at its end, with which they are supported on the support surface 18, an extension 31 which projects into an opening 33 which is mounted in the plates 18. Thus, the bellows cylinder are laterally stabilized and held in position.
  • the fiber package P drawn off via the action of the nip line KL from a fiber tuft FB is placed on the end of a fiber fleece V already formed on a screen drum T and brazed thereto with partial overlap.
  • the nonwoven fabric V thus formed is removed via take-off rollers 64 of the screen drum T and fed to a device not shown in detail for forming a sliver.
  • a negative pressure is applied to guide the fiber web V.
  • the sieve drum T, or the device for Forming a combed fiber fleece can z. B. the execution correspond, as shown and described in detail in the published WO 2006/012759 A1.
  • cams 26 are rotatably attached, on which during a comb play a respective roller 27 is guided, which are rotatably mounted in tabs 25.
  • the tabs 25 are attached to pivot arms 6 of an upper tong plate 3.
  • a swivel arm 6 is provided on both sides of the combing head, which are supported by a roller 27 on a correspondingly assigned cam 26.
  • the movement of the pivot arms 6 and thus the closing movement of the nipper unit is controlled.
  • the nipper unit 1 consists of a fixed fixed in the machine frame bottom pliers plate 2, on which about an axis 4, the upper pliers plate 3 is pivotally mounted via pivot arms 6.
  • the pivot arms 6 At the pivot arms 6 in the region of the tong plate 3 load devices in the form of bellows cylinders B3, B4, via which a clamping force at the clamping point KS between the pliers lips of the pliers plates for clamping a fiber material F is generated with closed pliers.
  • the bellows cylinders B3, B4 are supported on bearing surfaces 13 of plates 14 attached to the arms 6.
  • each bellows cylinder B3, B4 is received in a head portion 75 and is secured via a bracket 76 via screws 44 on the pivotable frame 24.
  • the frame consists of two, mounted on an axle 46 side plates 24a, 24b, which are connected to one another via a plurality of struts V1, V2. For reasons of clarity, only two such struts (FIG. 3) are shown in the present example. Via schematically indicated lines 77, 78, the bellows cylinder B3, B4 are acted upon by compressed air source 40 (see FIG. 3) with compressed air.
  • a feed roller 5 is rotatably arranged, which are held at both ends (one end only) via holders 80 and screws 72 on the frame 24, or on its side plates 24a, 24b.
  • the holders 80 are provided with a guide slot 81 (FIG. 2), in which the bearing 79 for the axis 7 of the feed roller 5 is displaceably guided.
  • a spring 84 is mounted between the bearing 79 and the end face 85 of the guide slot 81, which presses the bearing 79 in the direction of the lower tong plate 2 and generates a Kiemmkraft at the nip KK on the fibrous material F to be conveyed in the operating position shown ,
  • the displacement of the bearing 79 within the guide slot 81 is limited by a plate 82 which is secured to the lower end of the respective holder 80. This limitation of the movement is necessary when the feed roller 5 is pivoted about the frame 24 upwards in a dot-dashed out of operation position.
  • the bearings 79 are held within the guide slots 81 in this position.
  • a distance, or a clearance 73 between the bearing 79 and the plate 82 is present, so that the compressive force of the springs 84 comes to full effect to generate the necessary Kiemmkraft.
  • the drive of the feed roller for the intermittent promotion of the fiber material F takes place in the example shown via a lever 86 which is connected to the axis of rotation 7 of the feed roller 5. Via a rotation axis 87, the lever 86 is connected to a further lever 89. This in turn is connected via a rotary joint 94 with a two-armed lever 100 which is pivotally mounted about an axis 99 fixed to the machine frame MS. At its other free end, the lever 100 has a rotatably mounted roller 83, which is supported by the action of a correspondingly arranged spring 51 on the peripheral surface of a cam 62. The cam 62 is driven via an axle 63 mounted in the machine frame. The spring 51 is supported on the machine frame MS.
  • a lever 97 is connected via a rotation axis 98, which at its other end via a further pivot axis 96 with a pivotable arranged fixed comb K is in drive connection.
  • the fixed comb K is pivotally mounted about an axis fixed to the frame 24. This drive connection ensures a synchronous movement of the feed and the fixed comb movement during a comb play.
  • the frame 24 is pivotally mounted about a pivot axis 46 on the machine frame MS.
  • the pivoting of the frame 24 about the axis 46 in an upper position as shown in phantom in Figure 1, the free access in the area of the nipper unit 1 is made possible for maintenance and cleaning purposes.
  • handles 88 are provided which are attached to the frame 24. This facilitates the operator the pivoting process, especially since the lever arm is extended by the handles.
  • the tear-off roller 8 is transferred via the guided guides 58 in the holder 12 in an upper position.
  • the respective plate 18 is moved by the weight of the tear-off roller 8 in the direction of the guide 58 until it is present there and further displacement is prevented.
  • the attached to the frame 24 elements such as the fixed comb F 1, the feed roller 5 and the bellows cylinder B3, B4 are pivoted into an upper dot-dash line position.
  • the geometric conditions are to be designed so that z. B. the feed roller 5 can be pivoted without collision with the upper tong plate 3 upwards.
  • the drive elements for driving the feed roller and the fixed comb are geometrically interpreted so that the pivoting process is not hindered by these elements and their function is not affected.
  • the extension 57 of the bellows cylinder B3, B4 is pulled out of the openings 56 during the pivoting process.
  • the connection between the openings 56 and the extensions 57 is automatically restored.
  • the locking devices 50a, 50b consist in each case of oblique contact surfaces provided with bolts 52a, 52b, which are attached to the machine frame MS. This attachment of the latch 52a, 52b is such that the latch can move by a certain amount when engaging or disengaging the cam 48.
  • the operator After swiveling up to the inoperative position, the operator has a completely free access to the nipper unit and can easily perform maintenance and cleaning work there. As indicated by dashed lines in Fig. 1, the upper tong plate 2 can be swung over the pivot arms 6 effortlessly upwards, as no load device is more engaged.
  • the proposed invention allows a simple and fast operation of the individual combing heads without much effort and without special tools.

Landscapes

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

Abstract

L'invention concerne un dispositif peigneur destiné à peigner un matériau de fibres (F) qui est amené à un organe de pinçage (1) monté dans un bâti de machine (MS), lequel présente une plaque de pinçage inférieure et une plaque de pinçage supérieure (2, 3), la plaque de pinçage supérieure (3) étant montée de manière mobile par rapport à la plaque de pinçage inférieure stationnaire (2) pour former un lieu de serrage (KS) et étant soumise à l'action d'un dispositif de charge (B3, B4) pour produire une force de serrage, et comprenant un cylindre d'alimentation (5) monté de manière à pouvoir tourner, soumis à l'action d'un moyen de charge, lequel forme avec la plaque de pinçage inférieure un lieu de serrage (KK), ainsi qu'un cylindre peigneur (16) qui est monté de manière rotative dans le bâti de machine (MS) en dessous de la plaque de pinçage inférieure (2) et est pourvu sur son pourtour d'au moins un segment peigneur (19) et d'un segment d'arrachage (20), un cylindre d'arrachage (8), qui peut être soumis à l'action de moyens de charge (B1, B2) et est monté de manière à pouvoir tourner, pouvant être approché du segment d'arrachage pour former une ligne de serrage (KL), et d'un peigne fixe (K) disposé entre la plaque de pinçage inférieure (2) et le cylindre d'arrachage. Pour simplifier la manoevrabilité, il est proposé qu'un cadre (24) appliqué de manière pivotante dans le bâti de machine (MS) et dont l'extrémité libre peut pivoter autour d'un axe (46) qui est appliqué de manière fixe dans le bâti de machine (MS) et s'étend parallèlement à l'axe de rotation (9) du cylindre d'arrachage (8) soit associé à l'organe de pinçage (1) et que des moyens (48, 52a, 52b) soient prévus permettant de fixer, dans une position en service et au moins une position hors service, l'extrémité pivotante du cadre (24) dans sa position et de maintenir sur le cadre (24) au moins un des éléments tels que le palier (11) du cylindre d'arrachage (8) et/ou le palier (79) du cylindre d'alimentation (5) et/ou le peigne fixe (K).
EP09740631A 2008-10-24 2009-10-15 Dispositif peigneur avec cadre pivotant Active EP2350361B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH16752008A CH699790A2 (de) 2008-10-24 2008-10-24 Kämmvorrichtung mit schwenkbarem Rahmen.
PCT/CH2009/000333 WO2010045748A1 (fr) 2008-10-24 2009-10-15 Dispositif peigneur avec cadre pivotant

Publications (2)

Publication Number Publication Date
EP2350361A1 true EP2350361A1 (fr) 2011-08-03
EP2350361B1 EP2350361B1 (fr) 2012-12-05

Family

ID=42040295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09740631A Active EP2350361B1 (fr) 2008-10-24 2009-10-15 Dispositif peigneur avec cadre pivotant

Country Status (4)

Country Link
EP (1) EP2350361B1 (fr)
CN (1) CN102264959B (fr)
CH (1) CH699790A2 (fr)
WO (1) WO2010045748A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016012888A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Peigneuse
WO2016012886A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Mécanisme de pince d'une peigneuse
WO2016012887A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Cadre pour une peigneuse
WO2016059495A1 (fr) 2014-10-16 2016-04-21 Maschinenfabrik Rieter Ag Disposition d'aspiration pour peigneuse

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH704372A2 (de) * 2011-01-20 2012-07-31 Rieter Ag Maschf Kämmmaschine mit einer Abdeckung.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH150873A (de) * 1929-08-03 1931-11-30 William Nasmith John Kämmaschine.
GB773157A (en) * 1954-03-03 1957-04-24 Schubert & Salzer Maschinen Improvements in or relating to drives for the nippers of combing machines
JP2605115B2 (ja) * 1988-07-14 1997-04-30 豊和工業株式会社 コーマ機におけるトップコームの運動装置
JPH0731857U (ja) * 1993-11-12 1995-06-16 株式会社原織機製作所 コーマー機におけるニッパー装置
DE502004006701D1 (de) * 2003-02-21 2008-05-15 Rieter Ag Maschf Zangenaggregat für eine Kämmaschine
CN100364486C (zh) * 2004-11-01 2008-01-30 蒋中为 一种医疗美容用强脉冲光发生装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010045748A1 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016012888A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Peigneuse
WO2016012886A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Mécanisme de pince d'une peigneuse
WO2016012887A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Cadre pour une peigneuse
WO2016059495A1 (fr) 2014-10-16 2016-04-21 Maschinenfabrik Rieter Ag Disposition d'aspiration pour peigneuse

Also Published As

Publication number Publication date
CN102264959B (zh) 2013-06-19
CH699790A2 (de) 2010-04-30
WO2010045748A1 (fr) 2010-04-29
EP2350361B1 (fr) 2012-12-05
CN102264959A (zh) 2011-11-30

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