EP1055751A2 - Machine de peignage avec plusieurs têtes de peignage - Google Patents

Machine de peignage avec plusieurs têtes de peignage Download PDF

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Publication number
EP1055751A2
EP1055751A2 EP00110464A EP00110464A EP1055751A2 EP 1055751 A2 EP1055751 A2 EP 1055751A2 EP 00110464 A EP00110464 A EP 00110464A EP 00110464 A EP00110464 A EP 00110464A EP 1055751 A2 EP1055751 A2 EP 1055751A2
Authority
EP
European Patent Office
Prior art keywords
sliver
rollers
drafting
combing
funnel
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
EP00110464A
Other languages
German (de)
English (en)
Other versions
EP1055751A3 (fr
EP1055751B1 (fr
Inventor
Johannes Dr. Ing. Barth
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
RIEBAG Riesaer Beteiligungs-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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7908897&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1055751(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Rieter AG, RIEBAG Riesaer Beteiligungs-AG filed Critical Maschinenfabrik Rieter AG
Publication of EP1055751A2 publication Critical patent/EP1055751A2/fr
Publication of EP1055751A3 publication Critical patent/EP1055751A3/fr
Application granted granted Critical
Publication of EP1055751B1 publication Critical patent/EP1055751B1/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
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/005—Arrangements for feeding or conveying the slivers to the drafting machine
    • 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
    • D01G19/26—Driving arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing

Definitions

  • the invention relates to a combing machine with a plurality of combing heads, with a drafting unit assigned to the combing heads, with a sliver laying device which has a rotatable tubular wheel above a rotatable can for storing sliver, the individual headbands of the combing heads being fed close to one another as sliver coulter to the drafting device and there a nonwoven web are stretched and the nonwoven web is combined into a fiber band by means of a nonwoven funnel near the nip of the output rollers of the drafting system and fed to the funnel of the tubular wheel via guide means.
  • a combing machine of the type described is known, inter alia, from DE 196 40 855.
  • the individual headbands coming from the combing heads are guided on the so-called table of the combing machine by guide elements, placed against one another laterally and fed to a drafting system approximately in the plane of the table.
  • the exit rollers of the drafting system guide the drawn nonwoven web into a nonwoven funnel.
  • the guide tube arranged downstream of the fleece funnel is equipped with a swirl nozzle which can briefly generate a spiral of air movement in the guide tube if the fiber sliver is inserted.
  • the solidifying tip of the sliver passes through the guide tube between the lower guide roller and another calender roller of an ascending conveyor. This calender roller presses the thin sliver onto the surface of the conveyor belt.
  • the upper guide roller of the ascending conveyor belt is provided with a large diameter.
  • a curved baffle plate prevents uncontrollable warping in the area of the upper guide roller due to the considerable centrifugal force acting at very high speed.
  • This baffle plate should lead the sliver with its still firm tip forward into the funnel, which is part of a sliver laying device.
  • the funnel is assigned calender rolls and a tubular wheel driven underneath for the spiral-shaped sliver storage. Such an arrangement is particularly noticeable at higher operating speeds of the comber.
  • the high speed with which the sliver is moved on the ascending conveyor leads in many situations to incorrect drawing or to an uncontrolled running of the sliver.
  • the sliver which was quite stable in itself, was regularly brought to the desired height with a climbing conveyor, as already described above.
  • the resulting delays were brought under control with increasingly complex control processes, and even the working speed of the combing heads was included in the control process.
  • the automatic drawing of the drawn sliver into the nip of the calender rolls of the sliver laying device remained an unsolved problem despite repeated attempts.
  • the object of the present invention is now to create a comber with several combing heads, with a drafting device and with a sliver laying device, in which the sliver finally produced and to be laid down can be conveyed into the can without errors, even at high working speed, and with simple means, the beginning of a sliver can be guided automatically and with high reliability from the drafting device into the nip of the calender rolls of the sliver laying device from there into the can.
  • the highly sensitive fiber sliver that is formed after about twenty times warping is only created very close to and above the sliver laying device and can be automatically inserted into the nip of the calender rolls there. It is no longer subject to a delay due to the now very short path.
  • Control devices with complicated actual value recordings and control processes can be limited to the absolutely necessary extent by this arrangement.
  • the assembly of the entire arrangement is also simplified. In a separate assembly station, all of the assemblies that are effective in the network can be mounted on a common support frame and adjusted to each other in a functional manner.
  • the prerequisites are created that the front end of the nonwoven belt at the outlet of the drafting system is automatically combined by the belt forming unit, shaped to a tip and can be reliably guided into the tubular wheel without additional manual operations.
  • the storage of the fleece funnel with its guide tube at a pivot point which can be pivoted about a bearing of the support frame - according to claim 4 - permits simple operation of the arrangement.
  • the fleece funnel is then brought into the working position, a swirl flow in the guide tube ensures the compression of the fleece band to form the sliver to form a twisted band tip and for the transport of the tip to between the calender rolls of the sliver laying device.
  • a swirl flow in the guide tube ensures the compression of the fleece band to form the sliver to form a twisted band tip and for the transport of the tip to between the calender rolls of the sliver laying device.
  • the invention is described using a cotton combing machine which is equipped with a large number of combing heads 1.
  • a so-called individual head band 9 is produced on each combing head 1 and is placed in the plane of the table 11 around band guides 12 and under pressure laterally against the fiber band share 91 which has already been placed and which in turn is supported on the boundary wall 13.
  • the sliver sheet 91 formed in this way is guided in a short, laterally delimited flat channel in the plane of the table into the area of an ascending conveyor 2.
  • the ascending conveyor 2 consists of an endless conveyor belt 21 which is guided around a lower guide roller 22 near the table level and around an upper guide roller 23 approximately at the height of the drafting system 3.
  • the plug-in unit 3 is located approximately at the level of the sliver laying device 5, preferably above the calender rolls 52 thereof and laterally not far from the funnel 51, which guides the hidden sliver 93 between the clamping zone of the pair of calender rolls 52.
  • the endless conveyor belt 21 conveys the fiber ribbon share 91 at an angle of approximately 45 ° upwards.
  • the fiber band share 91 passes between the input rollers 31 of the drafting device 3 via a guide element 30 (see FIG. 4) which is curved in the middle and is slightly deflected downward.
  • the guide element 30 ensures that the individual head belts 9 are brought together again uniformly within the fiber band coulter 91, so that during the subsequent draft in the drafting system 3 a non-woven band 92 is produced which is uniform over the width.
  • the fleece belt 92 emerging from the exit rollers 33 of the drafting unit 3 is combined into a fiber sliver by a flat fleece funnel 41. In the center of the fleece funnel 41, the guide tube 42 connects, which extends to the opening of the funnel 51 of the sliver laying device 5.
  • This guide tube 42 is equipped with a swirl nozzle 43, to which a pressure line 431 is assigned.
  • This swirl nozzle 43 provides a spiral air flow within the guide tube 42, which is directed to the funnel 51.
  • This spiral air flow is relatively weak during normal operation, but is increased in a pulsed manner when a new sliver has to be introduced. This function is explained in more detail when looking at FIG. 3 in more detail.
  • the sliver 93 which emerges from the bottom of the funnel 51, is captured by the calender rollers 52, further compressed and conveyed into the hose tube 541 of the hose wheel 54 of the sliver laying device 5.
  • the drafting system 3 used here has three roller units, the feed rollers 31, the intermediate rollers 32 and the output rollers 33.
  • the input rollers 31 consist of the two lower rollers 311 and 312 and the upper roller 313. Both lower rollers 311, 312 are driven at different angular speeds.
  • the upper roller 313 presses the sliver 91 on the lower rollers 311, 312.
  • a sufficiently large play (0.5 to 3 mm) within the vertical guide ensures a uniform contact force of the upper roller 313 on both lower rollers 311, 312.
  • These feed rollers 31 are followed by the roller unit the intermediate rollers 32.
  • This roller unit is designed analogously to the feed rollers 31.
  • the end forms the output roller pair 33, which consists of the driven lower roller 331 and the loaded upper roller 332.
  • the angular velocity of the intermediate rollers 32 is significantly higher than the angular velocity of the feed rollers 31.
  • the output rollers 33 then take care of the final distortion size and can expediently also be regulated to compensate for the distortion depending on a measured strip thickness with regard to their angular velocity.
  • the thin fleece band 92 emerging from the exit rollers 33 initially still has a width which corresponds approximately to the width of the fiber band share 91. This fleece band 92 is combined by a fleece funnel 41 to form a fiber band 93 and pneumatically guided and conveyed in the guide tube 42.
  • the guide tube 52 lies with an approximately horizontal cut surface on the upper opening of the funnel 51.
  • This funnel 51 further compresses the sliver 93 and guides it into the nip of the calender rolls 52.
  • These calender rolls 52 can be stepped in their peripheral area in a manner known per se, so that they are also suitable for measuring the thickness of the sliver.
  • These calender rolls 52 convey the sliver 93 into the hose tube 541 of the hose wheel 54.
  • the belt forming unit 4 consisting of fleece funnel 41, guide tube 42 and swirl nozzle 43 with pressure line 431, can be pivoted from a working position 4 into an operating position 4 'on a lever 44 which can be pivoted about the frame-fixed bearing 65.
  • the swivel angle between the two positions is selected so large that one can manipulate the nonwoven belt 92 unhindered by hand before the nip of the output rollers 33. If you want to automatically insert the fiber sliver 93 into the guide elements up to the can 55, then the fleece sliver 92 is torn off uniformly and briefly over the entire width at the nip line of the output roller pair 33. Once this has been done, the banding unit 4 is brought into the working position.
  • a circulating air flow of high speed is generated in the guide tube 42 via the swirl nozzle 43.
  • the negative pressure which arises in the fleece funnel 41 ensures that the fleece band 92 is combined to form the fiber band 93 without any problems and is sucked into the guide tube 42.
  • the extremely powerful swirl of this air flow leads to the tip of the sliver 93 being twisted into a stable, wedge-shaped fiber formation, which can then also be guided in the hopper 51 through its narrow lower opening into the nip of the calender rolls 52. At this point, all difficulties for guiding this sliver are practically overcome.
  • the still compacted tip of the sliver 93 also reaches the slowly rotating can 55 via the rapidly rotating hose wheel 54.
  • the sliver 93 is deposited there in a manner known per se in a spiral. As soon as the tip of the sliver 93 has passed through the calender rolls 52, the pressure of the swirl flow can be reduced. The remaining pressure of this flow is only so great that the friction of the sliver 93 in the guide tube 42 can be kept low and there is no misalignment.
  • the drafting system 3 is known per se with regard to its basic structure and the arrangement of the rollers. It should be noted that the upper rollers 313, 323, 332 are guided transversely to the direction of travel of the fiber sliver coulter 91 with a sufficiently large amount of play, so that the upper rollers 313, 323 of the feed rollers 31 and the intermediate rollers with evenly distributed forces on their lower rollers 311, 312, 321 , 322 can press.
  • the loading of the upper rollers 313, 323, 332 is shown in FIG. 5 as a basic illustration.
  • the plungers 342, 343, 344 act on the two bearings of the upper rollers 313, 323, 332.
  • suction channels 351, 352, 353 which run along the surface lines of the upper rollers 313, 323, 332 and which end at a short distance above the upper rollers 313, 323, 332.
  • a strong air flow occurs through the gaps between the lips and the upper rollers 313, 323, 332, so that fibers adhering to the upper roller 313, 323, 332 immediately, first into the suction space 36 above the suction channels 351, 352, 353 and then from there be guided into the suction line 362.
  • the suction channels 351, 352, 353 can be adjusted in their carrier towards the upper rollers 313, 323, 332, so that the respective gap can be adjusted depending on the average thickness of the fiber band share 91 on the respective roller arrangement.
  • the drafting system 3 has its bearing 61.
  • the upper guide roller 23 of the ascending conveyor 2 has its bearing 62.
  • the lever 44 has the belt forming unit 4 attached to it , his bearing 65. This is conveniently located beyond and below the nip of the calender rollers 52 of the sliver laying device 5.
  • the hose wheel 54 can also be guided in the bearing 64.
  • This structural unit designed in this way can be completely pre-assembled on the support frame 6. All necessary settings can be made in the pre-assembly. After this support frame 6 has been inserted, only the transmission links leading to a central drive need be installed and adjusted.
  • the central drive of this arrangement described is derived in the present example from the drive of the round comb shaft 7.
  • This round comb shaft 7 is driven by a separate motor 71 and transmits its rotary movement to the central drive shaft 72 via corresponding gear members.
  • the upper guide roller 23 of the ascending conveyor 2 and a lower roller 311, 321, 331 of each roller arrangement are provided via toothed belts 31, 32, 33 driven.
  • the same drive is also fed to the pair of calender rolls 52 of the sliver laying device 5.
  • the respective second lower rollers 312, 322 of the roller arrangements are opened the opposite side by small toothed belt drives of their respective assigned lower roller driven.
  • the tubular wheel 54 is also driven by the drive movement of the calender rollers 52 of the sliver laying device 5 via a bevel gear stage and corresponding toothed and flat belts.
  • the drive of the can 55 for storing the sliver 93 is also derived from here.
  • the so-called turntable 56 is driven via a worm or helical gear and a correspondingly long flat belt drive, on which the can 55 is detachably placed. According to an embodiment not shown, this drive can be modified.
  • a separate, controllable servo motor can be assigned to the pair of output rollers 33 of the drafting unit 3, which servo receives control pulses from the actual values of the encoder 53 on the calender rollers 52 via a processor unit and corrects the amount of distortion.
  • the drive of the sliver laying device 5, up to the turntable 56, should also be coupled to this regulated drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP00110464A 1999-05-21 2000-05-17 Machine de peignage avec plusieurs têtes de peignage Expired - Lifetime EP1055751B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19923576 1999-05-21
DE19923576A DE19923576A1 (de) 1999-05-21 1999-05-21 Kämmmaschine mit mehreren Kämmköpfen

Publications (3)

Publication Number Publication Date
EP1055751A2 true EP1055751A2 (fr) 2000-11-29
EP1055751A3 EP1055751A3 (fr) 2001-05-16
EP1055751B1 EP1055751B1 (fr) 2004-08-04

Family

ID=7908897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110464A Expired - Lifetime EP1055751B1 (fr) 1999-05-21 2000-05-17 Machine de peignage avec plusieurs têtes de peignage

Country Status (3)

Country Link
EP (1) EP1055751B1 (fr)
AT (1) ATE272735T1 (fr)
DE (2) DE19923576A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100409126C (zh) * 2005-06-30 2008-08-06 上海纺织机械总厂 一种具有工业总线的精梳机控制系统
DE102007045707A1 (de) 2007-09-24 2009-04-02 TRüTZSCHLER GMBH & CO. KG Kämmmaschine mit Kämmköpfen mit einem allen Kämmköpfen zugeordneten Streckwerk
DE102007045706A1 (de) 2007-09-24 2009-04-02 TRüTZSCHLER GMBH & CO. KG Kämmmaschine mit Kämmköpfen mit einem allen Kämmköpfen zugeordneten Streckwerk
CN102586959A (zh) * 2012-01-22 2012-07-18 经纬纺织机械股份有限公司 一种生产棉断条的精梳装置
CN103046174A (zh) * 2012-12-14 2013-04-17 芜湖富春纺织有限公司 多仓混开棉机
CN104294416A (zh) * 2014-10-13 2015-01-21 重庆大江动力设备制造有限公司 多仓混棉机
CN110331483A (zh) * 2019-06-27 2019-10-15 武汉裕大华纺织服装集团有限公司 一种全流程智能纺纱生产线

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH704141A2 (de) 2010-11-30 2012-05-31 Rieter Ag Maschf Kämmmaschine.
CN108486696B (zh) * 2018-06-20 2023-04-25 金陵科技学院 一种绢纺生产线用圆梳环节用取放机构
DE102019110731A1 (de) * 2019-04-25 2020-10-29 Saurer Intelligent Technology AG Saugkanalendteil, Herstellverfahren und Streckwerk umfassend ein solches Saugkanalendteil
CN113148765A (zh) * 2021-05-18 2021-07-23 宿迁至诚纺织品股份有限公司 一种防缠绕的纱线收卷装置
CH719552A1 (de) * 2022-03-28 2023-10-13 Rieter Ag Maschf Kämmmaschine mit einer Absaugung.

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US3432891A (en) * 1966-11-30 1969-03-18 Maremont Corp Sliver gatherer and conveyor
DE2846065A1 (de) * 1978-10-23 1980-04-30 Schlafhorst & Co W Walzenstreckwerk
ATE18265T1 (de) * 1981-04-06 1986-03-15 Rieter Ag Maschf Streckwerk fuer spinnmaschinen zur bearbeitung eines faserbandes.
DD161271A3 (de) * 1981-09-02 1985-11-27 Textima Veb K Vorrichtung zur bildung eines faserbandes an karden
EP0376002B1 (fr) * 1988-12-22 1994-04-06 Maschinenfabrik Rieter Ag Machine de peignage
CH682565A5 (de) * 1990-07-02 1993-10-15 Rieter Ag Maschf Regelung der Kämmaschine.
DE19535347A1 (de) * 1995-04-07 1996-10-10 Rieter Ingolstadt Spinnerei Schwenkbarer Vliestrichter für Vliesführung ohne Führungsrohr
DE19537981A1 (de) * 1995-10-12 1997-04-17 Truetzschler Gmbh & Co Kg Vorrichtung zur Führung eines Faserverbandes aus Textilfasern an einer Spinnereivorbereitungsmaschine, insbesondere einer Strecke
IT1292144B1 (it) * 1996-06-29 1999-01-25 Truetzschler & Co Dispositivo su una carda,in cui all'uscita della carda e' previsto un imbuto del velo con cilindri di estrazione
DE19640855A1 (de) * 1996-10-02 1998-04-09 Chemnitzer Spinnereimaschinen Vorrichtung zum Zusammenfassen eines Vlieses zu einem Faserband am Ausgang von Streckwerken
DE19641160B4 (de) * 1996-10-07 2007-01-04 Maschinenfabrik Rieter Ag Belastungssystem für die Oberwalzen der Abreiß- und Abzugswalzenpaare an Kämmaschinen
WO1999011847A1 (fr) * 1997-09-01 1999-03-11 Maschinenfabrik Rieter Ag Banc d'etirage regule
DE29821678U1 (de) * 1998-03-26 1999-02-25 Zinser Textilmaschinen Gmbh, 73061 Ebersbach Vorrichtung zum Verdichtungsspinnen an einer Spinnereimaschine, insbesondere Ringspinnmaschine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100409126C (zh) * 2005-06-30 2008-08-06 上海纺织机械总厂 一种具有工业总线的精梳机控制系统
DE102007045707A1 (de) 2007-09-24 2009-04-02 TRüTZSCHLER GMBH & CO. KG Kämmmaschine mit Kämmköpfen mit einem allen Kämmköpfen zugeordneten Streckwerk
DE102007045706A1 (de) 2007-09-24 2009-04-02 TRüTZSCHLER GMBH & CO. KG Kämmmaschine mit Kämmköpfen mit einem allen Kämmköpfen zugeordneten Streckwerk
CN102586959A (zh) * 2012-01-22 2012-07-18 经纬纺织机械股份有限公司 一种生产棉断条的精梳装置
CN103046174A (zh) * 2012-12-14 2013-04-17 芜湖富春纺织有限公司 多仓混开棉机
CN104294416A (zh) * 2014-10-13 2015-01-21 重庆大江动力设备制造有限公司 多仓混棉机
CN110331483A (zh) * 2019-06-27 2019-10-15 武汉裕大华纺织服装集团有限公司 一种全流程智能纺纱生产线

Also Published As

Publication number Publication date
DE19923576A1 (de) 2000-11-23
EP1055751A3 (fr) 2001-05-16
EP1055751B1 (fr) 2004-08-04
ATE272735T1 (de) 2004-08-15
DE50007248D1 (de) 2004-09-09

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