EP0965667A1 - Dispositif pour couper une mèche - Google Patents

Dispositif pour couper une mèche Download PDF

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Publication number
EP0965667A1
EP0965667A1 EP99810516A EP99810516A EP0965667A1 EP 0965667 A1 EP0965667 A1 EP 0965667A1 EP 99810516 A EP99810516 A EP 99810516A EP 99810516 A EP99810516 A EP 99810516A EP 0965667 A1 EP0965667 A1 EP 0965667A1
Authority
EP
European Patent Office
Prior art keywords
sliver
plate
partition plate
swivel arm
movement
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
EP99810516A
Other languages
German (de)
English (en)
Other versions
EP0965667B1 (fr
EP0965667B9 (fr
Inventor
Lars Weisigk
Beat Näf
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 EP0965667A1 publication Critical patent/EP0965667A1/fr
Publication of EP0965667B1 publication Critical patent/EP0965667B1/fr
Application granted granted Critical
Publication of EP0965667B9 publication Critical patent/EP0965667B9/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/16—Yarn-severing arrangements, e.g. for cutting transfer tails; Separating of roving in flyer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0428—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements for cans, boxes and other receptacles
    • B65H67/0434—Transferring material devices between full and empty cans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a device for separating a in spinning cans stored sliver when changing the can, with means for holding the when changing the jug from a full spinning jug to an empty one Spinning can extending sliver and with means for separating the sliver between two linear stops.
  • Such a device is known from CH-673 483.
  • a separator proposed with means for clamping and cutting, which when changing the can is shifted from a rest position into a working position.
  • the lever (26) is with With the help of a pneumatic cylinder (30) pivotable.
  • the disadvantage of this solution is that both arms have to be adjusted to perform the separation process.
  • One version is from the own, as yet unpublished application EP-846 795 described a band separation, wherein means for separating the sliver a pivotable arm are arranged.
  • An embodiment (Fig. 9 - 11) shown, the separating element being mounted so as to be vertically displaceable and by a slit can enter the top of the tape holder to separate the tape perform.
  • this requires a complex construction and, on the other hand, can damage it the band structure of the band loops resting on the top of the jug, if this when moving the jug on the slot in the top of the Strip the tape holder across.
  • the invention now has as its object the execution of the not yet published To further develop EP-846 795 and to propose a device for band separation, which is a simple and safe tape separation without damaging the Strap structure of the strap loops lying on top of the jug allows for a short time.
  • means for separating the sliver on one pivotable arm are arranged, which has at least two clamping edges, and a toothed gear slidably mounted in the longitudinal direction to the clamping edges Divider, which with its toothed vision on the Bottom of a turret plate is guided along.
  • the partition plate during the separation process is held against the underside of the turret plate by means of spring elements. This ensures safe and exact guidance of the tooth tips for complete detection the fibers of the sliver on the underside of the turret plate guaranteed.
  • the divider off-center between the two clamping edges arrange ensures that between the two clamping edges only a sliver separation takes place at the point where the divider in a smaller distance from the clamping edge is arranged.
  • the pressure angle ⁇ Reduce the front tooth flank of the teeth down to the tooth base.
  • the partition plate be made via guide means in this way is guided so that the tooth tips of the partition plate during its displacement be moved from a rest position towards the bottom of the turret plate.
  • the guide means be formed from at least one guide pin fixed to the swivel arm, which engages in at least one link guide of the separating plate.
  • two such link guides are provided in order to ensure the parallel displacement of the separating plate with respect to the upper clamping lines.
  • Guide pin "is to be understood in a general sense and is not only aimed at a cylindrical pin. Other cross-sectional shapes and designs of the guide pin are also to be understood as such.
  • the partition plate be curved with at least one trained slot is provided, in which the guide pin engages.
  • this adjusting means on the partition plate articulated for longitudinal displacement, this adjusting means from a in the swivel arm mounted cylinder can be formed.
  • Clamping the sliver is proposed to be about a pivot axis mounted swivel arm via a multi-link gearbox with one mounted on the frame Actuator, e.g. a cylinder.
  • the force is preferably applied to the swivel arm approximately centrally in the longitudinal direction seen the swivel arm. This ensures a uniform contact pressure Clamping edges achieved on the turret plate.
  • the articulation, or storage of the The pivot lever can be designed so that the pivot lever in Length can be tilted to a limited extent.
  • the swivel arm be provided with a switching element is interrupting by the movement of the switching arm in the control line for the steep part of the separating plate engages. This ensures that the trip the sliding movement of the divider can only take place if the two clamping edges with a corresponding contact pressure on the underside of the Place the turret plate on top. This version also covers the necessary safety precautions from.
  • the material of the surface of the turret plate formed more abrasion-resistant than the material of the tooth tips of the partition plate is.
  • the spring-loaded contact of the tooth tips of the separating plate creates a natural abrasion (wear) of the material.
  • the Swivel axis of the swivel arm in the area of the axis of rotation of a rotary can changer is appropriate. So that a compact attachment of the swivel arm in Area of the turnstile. It also ensures that the drive parts of the swivel arm outside the normal of the operator accessible area.
  • the invention is not application-specific a rotary changer and can also be used on a linear changer Application come.
  • the swivel range of the swivel arm is advantageously above the Turnstile turnstile.
  • a method for carrying out the separating process is also proposed, with the start of the changing process of the full can against an empty can which is on standby then taking place at a reduced rotational speed of the funnel wheel when the outlet opening of the funnel wheel has reached a certain position.
  • This position is sensed using suitable sensors.
  • the aim of this is to ensure that as little fiber material as possible is deposited in the free space between the filled can and the following empty can during the changing process while the sliver supply is running and throttled. This makes it possible for the separation device to have the smallest possible sliver loop for reliable detection for the separation process.
  • the suitable position of the outlet opening of the funnel wheel for starting the changing process depends on the reduced speed of the funnel wheel and the changing speed of the can changer and must be adjusted accordingly.
  • the partition plate being moved back and forth at least once after the separation process has been completed and during the downward movement of the separation device. This movement ensures that the separated strip ends, which under certain circumstances can still clamp in the area between the clamping edge and the separating plate on the separating device, are safely released from the separating device and released. This prevents the sliver from being pulled down by the clamped sliver end when the separating arm moves down from the can. However, this event occurs relatively rarely.
  • FIG. 1 shows a top view of a can rotation changer 1 known per se, the cans K1-K3 via a turnstile 2 within the rotation changer 1 in Arrow direction to be moved.
  • the jug is K1 around an empty jug, which is kept in reserve position.
  • Another empty jug is indicated schematically on the Kannenplatz K.
  • the kettle K2 is in one Filling position (working position), in which you via a funnel wheel 5 sliver F for Storage is fed in loops.
  • the sliver F supplies the funnel wheel 5 upstream drafting unit 8.
  • This drafting unit is in Fig. 1, as in Fig. 2 only shown schematically and consists of several pairs of rollers, between which the supplied fiber mass is warped.
  • the turnstile 2 is provided with arms A, which partially grip the cans K1-K3. At the outer end of arms A is one Roller R rotatably arranged. The storage of the turnstile 2 is carried out schematically shown axis of rotation D.
  • FIGS. 1 and 2 one is schematically vertical in the region of the axis of rotation D.
  • pivotable sliver cutting device FT indicated.
  • This separator FT has a U-shaped pivot arm 12 which is horizontal about a pivot axis 13 Is pivoted in the direction.
  • the swivel range of this swivel arm 12 moves between the rotatably supported turnstile 2 and the underside 11 a turret plate 10 (Fig. 2).
  • this separation device TR is on an enlarged scale and shown in more detail.
  • a fixed bearing in the rotation changer is shown in FIG Cylinder Z shown, the H via an articulated lever mechanism Pivotal movement of the pivot lever 12 executes.
  • This lever mechanism H exists from an angle lever 15 which is fixed at one end to the frame of the rotation changer 1 is rotatably supported via an axis 16 and at the other end via a Swivel joint 18 is articulated to a further lever 20.
  • the piston rod of the cylinder Z is also pivoted.
  • the lever 20 is articulated to a lever 23 via a further axis of rotation 21.
  • That lever 23 is rotatable on the one hand on the pivot axis 13 of the pivot arm 12 and on the other hand rotatably supported about an axis 24, this axis 24 in a U-shaped profile of the swivel arm 12 is anchored.
  • FIG. 5 in which the control device is also shown schematically for controlling the separating device TR is shown.
  • the U-shaped profile of the swivel arm 12 is elastic on its free legs Terminal strips 26 provided, via which the sliver F to be separated during of the separation process is pressed against the underside 11 of the turret plate 10, when the swing arm 12 is in the position shown in FIG. 5. More clear this detail can still be seen from FIG. 7, which is an enlarged view X of the 5 shows swivel arm 12. It can be seen from FIGS. 4 and 5 that within of the U-shaped profile of the swivel arm 12, a partition plate 30 is arranged is. The partition plate 30 is provided on one long side with a tooth set 32, which has teeth 33 arranged one behind the other.
  • the presentation 6, from which an enlarged partial view of the separating plate 30 is shown can be seen.
  • the storage of the partition plate 30 within the swivel arm 12 takes place on the one hand via a plurality of sleeves 35 fastened within the swivel arm 12, which with a slot 36 for receiving the one long side of the partition plate 30 are provided.
  • a spring 38 the spring force of which is arranged within the sleeve 35 acts on the lower straight long side of the partition plate 30. This spring force ensures that during the separation process the tips 34 of the teeth 33 on the underside 11 of the turret plate 10 abut.
  • the partition plate 30 has two angled longitudinal slots 40, which are each penetrated by a bolt 41 which is mounted on the swivel arm 12 is.
  • These longitudinal slots 40 are shown schematically in FIG. 3 and in FIG. 6 (only one shown) is shown enlarged. As can be seen from this illustration the partition plate 30 in a rest position, the bolt 41 in the short angled part of the slot 40 and farthest from the lower edge of the Divider is removed.
  • the partition plate has a web 44 30 is connected to a piston 46 of a cylinder mounted in the swivel arm 12.
  • the piston 46 is over a hinge 47 connected to the web 44 so that the vertical displacement of the Divider can be compensated during the separation process.
  • a limit switch 50 is firmly attached.
  • This Switch 50 has a switching cam 51 which is at the height of the terminal strips 26 located. In the position shown in Fig. 5, this switching cam 51 comes with the underside 11 of the turret plate 10 in contact and triggers a switching operation of the Switch 50 off as soon as the terminal strips 26 deform elastically when the pressure increases, whereby a further vertical feed of the swivel arm 12 in the direction of Bottom 11 of the turret plate 10 is done.
  • the switch 50 is only then switched when the terminal strips 26 in their end position complete Transfer clamping pressure to the underside 11 of the turret plate.
  • the switch is 50 in its position adjustable fixed.
  • Switch cam 51 it is also possible to use instead of the switch 50 Switch cam 51 to provide an initiator (e.g. distance initiator) to the end position to monitor the switching arm.
  • a control device 55 is shown, via which the valves 57 and 59 the control lines 58 and 60 are controlled. Through the valve 57, the feed the air to the cylinder Z is controlled via lines 61 and 62, respectively.
  • the valve 59 controls the supply of air to the cylinder 45 via lines 64 and 65.
  • the Switch 50 is connected to control device 55 via line 52. Schematic a further control line 67 is shown, via which the control unit 55 the Receives signal to start up the isolating device. This signal can e.g. include, that a can change has occurred and the cans between which there is the sliver to be separated is in a predetermined position.
  • FIG. 6 shows different tooth shapes of teeth 33 or 33 ', wherein all teeth have an acute pressure angle ⁇ .
  • ⁇ Of the Angle of attack ⁇ of the front tooth flank 37 of the teeth 33 increases in the direction of the tooth base 28 and in the tooth shape corresponds to the teeth 33 'in one Radius R over.
  • this angle of attack ⁇ changes up to 0, so that in the region of the tooth base 28 in relation to the longitudinal displacement vertical tooth flank is present.
  • the rear tooth flank 39 is based on the respective tooth tip 34 inclined by an angle ⁇ , which is in the direction of the tooth base 28 enlarged.
  • FIGS. 8 and 9 show a further embodiment of the separating plate 30, the teeth 33 as individual teeth one behind the other between the side guides 70 and 71 are stored.
  • the teeth 33 are provided with a lower guide part 69, in which a longitudinal slot 75 is made. Through the respective longitudinal slot 75 protrudes a screw of a screw 73, which in the side guides 70 and 71 is fixed. Through the elongated hole version 75 in connection with the Screw connection 73 is a limited displacement of the teeth 33 transversely to the longitudinal direction of the partition plate 30 allows.
  • the teeth 33 are the teeth on the side of the guide part 69 with guide surfaces 80 provided, over which they can slide along each other.
  • This device makes it possible to remove each individual tooth 33 of the separating plate 30 individually via the individual springs 79 against the underside of the turret plate 10 to send. This ensures that each individual tooth 33 exactly to the system comes to rest on the turret plate 10.
  • the delivery speed is reduced. and the position detection of the Funnel wheel opening 6 of the funnel wheel 5 activated.
  • a sensor 54 grips the position a position marker 53 on the funnel wheel 5 and reports this via the line 56 the control device 55 (FIGS. 2 and 5).
  • the turnstile 2 is set in motion via the control 55. This will get the Empty K1 in the work area below the funnel wheel 5 and the filled Can K2 in the delivery area of can K3.
  • the sliver that is delivered hangs now between the work can K2 and the full can K3 to be discharged.
  • the control device 55 receives the signal via line 67 to trigger the separation process.
  • the valve 57 is now switched to passage, so that the piston of the cylinder 7 can extend.
  • the lever 15, 20, 23 and in connection with the corresponding pivot points the swivel arm 12 in overdrive counterclockwise in one vertical plane between the can places K2 and K3 towards the bottom 11 of the turret plate 10 pivoted.
  • the appropriate linkage via the Axis 24 are now - seen in the longitudinal direction - the terminal strips 26 evenly pressed against the underside 11 of the turret plate, at the same time the between the sliver F located in the cans is clamped (FIG. 7).
  • the valve 59 is again via the control device 55 switched and the line 64 released for air guidance.
  • the longitudinal movement of the Piston 46 can be controlled via stops or sensors (not shown) become.
  • the valve 57 is switched to control the cylinder Z, whereby the piston of the cylinder Z retracts and via the lever mechanism described above the swivel arm in slow gear back to that shown in position 3 Swiveling rest position back. Even this position cannot be reached stops or sensors shown in detail are monitored during the lowering movement the separating device can at least again via the control device 55 a back and forth movement of the divider can be performed to make the separated To release or release the tape ends safely from the separating device.
  • the new K2 can can now be filled at full working speed.
  • the full can transferred to the can space K3 is ejected by a mechanism (not shown in more detail) and transferred to a subsequent further processing process.
  • a new empty can K was also transferred to the reserve can space K1.
  • Designs of a rotation changer are of course also conceivable, only three arms A being used.
  • the upstream connection of a drafting unit in front of the belt deposit (as shown) is only one possible embodiment variant and should not be seen as limiting the invention.
  • the proposed design makes tape separation easy and safe which also ensures integration in the area of the rotation axis of the rotation changer enables.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP19990810516 1998-06-18 1999-06-11 Dispositif pour couper une mèche Expired - Lifetime EP0965667B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH130898 1998-06-18
CH130898 1998-06-18

Publications (3)

Publication Number Publication Date
EP0965667A1 true EP0965667A1 (fr) 1999-12-22
EP0965667B1 EP0965667B1 (fr) 2001-09-05
EP0965667B9 EP0965667B9 (fr) 2002-07-24

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ID=4207402

Family Applications (1)

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EP19990810516 Expired - Lifetime EP0965667B9 (fr) 1998-06-18 1999-06-11 Dispositif pour couper une mèche

Country Status (2)

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EP (1) EP0965667B9 (fr)
DE (1) DE59900234D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103757768A (zh) * 2013-12-16 2014-04-30 张家港市攀峰科技有限公司 一种捻线机切纱装置的切刀机构
CN105332118A (zh) * 2015-12-02 2016-02-17 苏州布舞佳乡纺织科技有限公司 一种可调节式纺织切纱装置
CN108026671A (zh) * 2015-09-04 2018-05-11 特吕茨施勒有限及两合公司 用于将纤维条存放到条筒里的设备
CN108796675A (zh) * 2018-07-20 2018-11-13 青岛宏大纺织机械有限责任公司 梳棉机圈条器的纤维条切断装置
CN110615320A (zh) * 2018-06-20 2019-12-27 里特机械公司 用于纺纱准备机的筒更换器以及用于更换筒的方法
CN111410081A (zh) * 2020-03-30 2020-07-14 西安西古光通信有限公司 一种收线机专用自复位式光纤捕捉装置及收线机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633428A1 (de) * 1986-10-01 1988-04-07 Zinser Textilmaschinen Gmbh Vorrichtung zum durchtrennen eines faserbandes bei einer spinnereivorbereitungsmaschine, insbesondere einer strecke
JPH04308232A (ja) * 1991-04-05 1992-10-30 Hara Shiyokuki Seisakusho:Kk 紡機におけるスライバ−の切断方法、及びその装置
EP0846795A2 (fr) * 1996-10-03 1998-06-10 Maschinenfabrik Rieter Ag Dispositif pour sectionner une mèche

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633428A1 (de) * 1986-10-01 1988-04-07 Zinser Textilmaschinen Gmbh Vorrichtung zum durchtrennen eines faserbandes bei einer spinnereivorbereitungsmaschine, insbesondere einer strecke
JPH04308232A (ja) * 1991-04-05 1992-10-30 Hara Shiyokuki Seisakusho:Kk 紡機におけるスライバ−の切断方法、及びその装置
EP0846795A2 (fr) * 1996-10-03 1998-06-10 Maschinenfabrik Rieter Ag Dispositif pour sectionner une mèche

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 131 (C - 1036) 18 March 1993 (1993-03-18) *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103757768A (zh) * 2013-12-16 2014-04-30 张家港市攀峰科技有限公司 一种捻线机切纱装置的切刀机构
CN108026671A (zh) * 2015-09-04 2018-05-11 特吕茨施勒有限及两合公司 用于将纤维条存放到条筒里的设备
CN108026671B (zh) * 2015-09-04 2020-11-03 特吕茨施勒有限及两合公司 用于将纤维条存放到条筒里的设备
CN105332118A (zh) * 2015-12-02 2016-02-17 苏州布舞佳乡纺织科技有限公司 一种可调节式纺织切纱装置
CN110615320A (zh) * 2018-06-20 2019-12-27 里特机械公司 用于纺纱准备机的筒更换器以及用于更换筒的方法
CN110615320B (zh) * 2018-06-20 2023-01-03 里特机械公司 用于纺纱准备机的筒更换器以及用于更换筒的方法
CN108796675A (zh) * 2018-07-20 2018-11-13 青岛宏大纺织机械有限责任公司 梳棉机圈条器的纤维条切断装置
CN111410081A (zh) * 2020-03-30 2020-07-14 西安西古光通信有限公司 一种收线机专用自复位式光纤捕捉装置及收线机

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Publication number Publication date
EP0965667B1 (fr) 2001-09-05
EP0965667B9 (fr) 2002-07-24
DE59900234D1 (de) 2001-10-11

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