EP0367211B1 - Einlauftisch zum Zuführen von Faserbändern zu einer textilverarbeitenden Maschinen und Verfahren dazu - Google Patents

Einlauftisch zum Zuführen von Faserbändern zu einer textilverarbeitenden Maschinen und Verfahren dazu Download PDF

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Publication number
EP0367211B1
EP0367211B1 EP89120164A EP89120164A EP0367211B1 EP 0367211 B1 EP0367211 B1 EP 0367211B1 EP 89120164 A EP89120164 A EP 89120164A EP 89120164 A EP89120164 A EP 89120164A EP 0367211 B1 EP0367211 B1 EP 0367211B1
Authority
EP
European Patent Office
Prior art keywords
sliver
feeding table
fibre
reserve
conveying
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.)
Expired - Lifetime
Application number
EP89120164A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0367211A1 (de
Inventor
Urs Dr. Meyer
Niklaus Gartenmann
Roland Fischer
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 EP0367211A1 publication Critical patent/EP0367211A1/de
Application granted granted Critical
Publication of EP0367211B1 publication Critical patent/EP0367211B1/de
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
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/14—Aprons, endless belts, lattices, or like driven elements
    • 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/18—Supports for supply packages
    • D01H1/186—Supports for supply packages for supplying from 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 an infeed table for feeding sliver to a textile processing machine, the sliver being placed over take-off devices of a transport device and each sliver being assigned a reserve tape which is held in a standby position by a take-off device and before the sliver runs out - by a control device - Can be switched on so that the beginning of the reserve bandage is attached to the end of the sliver running out.
  • the invention also includes a method for this.
  • a disadvantage of such devices is that the fiber slivers are only guided at some points on their feed path, but sag freely at the remaining points. This creates the danger that the textile straps can tear between the individual guides. If a sliver breaks or runs out, the stretch must now be stopped and a new sliver must be fed manually.
  • a device which partially overcomes the aforementioned disadvantages in which the sliver to be processed is drawn from the spinning can via take-off rollers and placed on a conveyor belt for further transport.
  • Each so-called working jug is assigned in pairs a so-called reserve jug, the sliver of which is taken up as a reserve sliver via a pair of take-off rollers and kept ready.
  • the pairs of take-off rolls of the fiber sliver and the reserve sliver are arranged one behind the other in a line, as seen in the conveying direction. If a sliver fails, the take-off device of the assigned reserve sliver is started by a control. This ensures the automatic tracking of a reserve bandage if a sliver breaks or runs out.
  • the fiber or reserve belts are subjected to several strong deflections before they are guided on the conveyor belt. On the one hand, this increases the risk of belt breakage and, on the other hand, a high amount of dust is accepted.
  • the fiber or reserve bandage can slide off the conveyor belt to the side, so that there can be problems if a reserve belt has to be adjusted or newly installed.
  • the inventor has set himself the task of avoiding the existing disadvantages of known devices and of proposing an infeed table or a feed method in which the conveyance of a fiber or a reserve belt to a transport device without major deflections, which maintains a predetermined transport position and is suitable for the controlled tracking of a reserve belt.
  • the reliable infeed table should be able to be manufactured and maintained in a particularly simple manner.
  • a device on the inlet table of which the transport device consists of individual transport belts assigned to each fiber belt and each reserve belt and provided with the take-off devices, each of the transport belts being drivable via a controllable drive.
  • the conveyor belts for the fiber belts and the reserve belts should be arranged parallel to one another and in pairs. It has also proven to be advantageous to connect these conveyor belts, which are combined in pairs, to one another in terms of control.
  • the conveyor belt mass to be moved is limited to a necessary minimum, resulting in lower drive power and less dust.
  • the arrangement of two sensor rows for detecting the end of the strip or the beginning of the strip has proven to be advantageous, which enables problem-free control of the feeding of fiber slivers or the automatic tracking of the reserve slivers.
  • conductive guiding means are provided after the delivery point of the conveyor belts, especially guide devices of an inlet funnel.
  • the individual carrier has a drive roller at one end and a deflection roller at the other end, the latter - but also the drive roller - preferably being axially movable on the carrier as a tension roller for the conveyor belt.
  • the carrier is advantageously made from a tubular profile, on which a U-profile can be placed; the upper run of the conveyor belt is stored in its profile space and can be moved in a protected manner.
  • a tube or channel attachment is provided below the tube profile, and at least one support roller in this, in order to prevent sagging.
  • the support roller can also be present outside the channel insert in a cross member holding the carrier; Several parallel beams are gripped by at least one common cross beam as part of the frame of the infeed table, so that this frame needs only a few individual parts.
  • the carrier can be composed of axial carrier sections that are spanned by the conveyor belt; these carrier sections are prefabricated in predetermined grid dimensions with different lengths, preferably a basic length and one and a half times and their double dimension should be present.
  • the drive of the conveyor belt is provided in a drive unit attached to the carrier as a module, which also contains the drive roller engaging in the loop of the endless conveyor belt.
  • a drive unit attached to the carrier as a module, which also contains the drive roller engaging in the loop of the endless conveyor belt.
  • at least one pressure roller can be swiveled on its circumference, which in turn is part of the drive unit or else is articulated outside the drive unit to its support or to the adjacent support, which overlaps the conveying direction.
  • the embodiment according to the invention is also particularly suitable for the uniform mixing of different fiber components, e.g. of cotton and synthetic fibers.
  • the proposed division of the transport device into individual conveyor belts combined in groups makes it possible to better adapt the divided feed area to the spatial conditions. With a division into approximately two groups, it is conceivable to provide each group for the purpose of a mixture for a specific fiber component. This eliminates confusion when tracking reserve cans and makes loading easier.
  • the solution to the problem of improving the feed method is to carry out the feeding of the slivers and reserve belts via individually assigned conveyor belts, a conveyor belt for a sliver and a conveyor belt for a reserve belt interacting in pairs in terms of control.
  • sensors recognize the beginning of the fiber and reserve belt, trigger the interruption of the drive of the respective conveyor belt by means of a control, hold the reserve belts in this waiting position and actuate the drive of the conveyor belts for the fiber belts after detecting a predetermined number of fiber belts .
  • sensors in a second row provided in the area between the take-off devices and the sensors mentioned in the area of the delivery point detect the end of the sliver of an outgoing or torn sliver, stop the sliver carrying the outgoing sliver and cause a delayed connection of a reserve belt connected to the latter for control purposes carrying conveyor belt.
  • the rear end of the sliver and the front end of the reserve belt are advantageously brought together after the delivery point to a predetermined overlap.
  • fiber tapes 2 are drawn off from so-called cans 9 by pairs of take-off rolls 10 onto individual conveyor belts 8 and reach a subsequent route 6.
  • Each of the conveyor belts 8 for the fiber belts 2 is a different conveyor belt 8 a for a reserve belt 7 assigned that is taken from a reserve can 9 a .
  • the drive connection between the drive shaft 13 and the drive rollers 14, 14 a takes place via individual clutch units , not shown within the drive rollers 14, 14 a .
  • braking devices are also provided in addition to the individual clutches.
  • two sensor rows 18, 19 are arranged transversely and above the conveyor belts 8, 8 a .
  • the sensor rows 18, 19 are provided with sensors 20, 21 which scan the individual fiber bands 2 and reserve bands 7 (FIG. 3).
  • a conveyor belt 3 is arranged at the delivery point 11, onto which the fiber belts 2 are placed and fed to a drafting system via an inlet funnel 4 and a conveyor roller 5.
  • the inlet hopper 4 brings together the fiber belts 2 running parallel to one another in the conveyor roller 5 to form a nonwoven fabric 22.
  • conductive side guides 23, 23 a of the inlet funnel 4, 3 guide plates 24, 25 are present above the conveyor belt.
  • This and / or the side guides 23, 23 a can also be designed as guide bands running around vertical axes.
  • the drive of the conveyor belt 3 is - not shown - derived from the motor 12.
  • the clutches 16, braking devices 17, sensors 20, 21 and the motor 12 are connected to a control unit 26 for control purposes.
  • the fiber belts 2 are placed on the rotating conveyor belts 8 when the motor 12 is engaged and the clutches 16 are engaged, and are brought automatically or manually between the pairs of take-off rolls 10, in which pinch rolls 27 are arranged so as to be pivotable or displaceable.
  • the slivers 2 thus conveyed by the conveyor belts 8 arrive one after the other or simultaneously in the detection range of the sensors 21 of the second row of sensors 19 in the conveying direction z.
  • the drive of the conveyor belts 8 or the control of the couplings 16 is switched such that when the beginning of the sliver is detected by a Sensor 21, the clutch 16 of this conveyor belt 8 is released and is immediately stopped by the corresponding braking device 17. This ensures a precisely positioned starting position of the beginning of the tape.
  • the reserve belts 7 in turn pass through a pair of take-off rollers 10 a to their conveyor belts 8 a , the couplings 16 of which are interrupted when the reserve belt start is detected by those sensors 21 assigned to the conveyor belts 8 a .
  • the clutches 16 of the conveyor belts 8 a 8 a By disengaging the clutches 16 of the conveyor belts 8 a 8 a the same time is ensured by the braking means 17, an immediate standstill of the conveyor belts.
  • connection of one of the conveyor belts 8a - or the tracking of a spare tape 7 - is carried out again only when on the row of sensors 18 and the sensors 20, the leakage or the interruption is reported to a sliver. 2
  • the connection is delayed depending on the distance between the sensor rows 18 and 19.
  • Guides 28 above the conveyor belts 8, 8 a are intended to laterally limit the movement paths of the fiber or reserve belts 2 and 7 on the conveyor belts 8 and 8 a .
  • These guides 28 are firmly connected to a frame and can be attached along part or over the entire length of the conveyor belts 8, 8 a , optionally provided with an additional guide for the conveyor belt 8, 8 a .
  • the attachment of the reserve belts 7 via the pairs of take-off rollers 10 a can also be carried out simultaneously with the attachment of the conveyor belts.
  • additional horizontal or vertical pressure rollers can be attached in the area where the fiber sliver 2 and the reserve sliver 7 are brought together in order to increase the adhesive force of this attachment point.
  • a new reserve belt 7 is manually or automatically adjusted.
  • the newly tracked reserve belt 7 reaches the area of the sensor 21 with its start, as a result of which the drive of this conveyor belt 8 is interrupted, as described previously.
  • the newly adjusted reserve belt 7 remains in this waiting position.
  • the sensor row 19 is provided for the detection of the beginning and the sensor row 18 for the detection of the end of an outgoing sliver 2 or reserve sliver 7.
  • the conveyor belts 8 , 8a can be arranged convergingly or radially to the delivery point 11. This is illustrated by the angles x, y between the inlet tables 1 a , 1 b and a longitudinal axis determined by the central plate 23 b .
  • the conveyor belt 8 a which guides the reserve belt 7 is provided vertically above or below the conveyor belt 8 which guides the fiber belt 2.
  • the start of the reserve band can be brought together with the end of the sliver 2 directly behind the delivery point 11.
  • Another embodiment contains a so-called dustpan over which the belts 2, 7 are steered after the delivery point 11 by about 90 ° from their conveying direction before they reach the drafting system.
  • the drive roller 32 is not provided at the transfer point 11 near the motor 12, but rather is part of a modular drive unit 34, in which a separate drive is integrated.
  • This drive unit 34 sits at the feed end 35 of an generally horizontal support 38, which is assembled from a plurality of support sections 38 a , 38 b , 38 c ; 5 are used, for example, in three different lengths n 1, n 2, n 3 to be able to produce as many different total lengths n of the carriers 38 as possible.
  • the length n 1 of the support section 38 corresponds to half the length n 3 of the support section 38 c , the length n 2 of the support section 38 b one and a half times the length n 1.
  • the carrier 38 composed of those carrier sections 38 a , 38 b , 38 c in staggered overall lengths n rest on common cross carriers 40, 40 a .
  • the cross member 40 consisting of a support plate 41 and brackets 42 lies on two vertical supports 44, whereas the cross member 40 a in FIG. 12 is produced as a one-piece molded part and is screwed to a support 44 in the area of an attachment surface 43 .
  • Each carrier 38 forms with its drive unit 34 and the other attached deflection roller 30 an exchange unit and is with the cross members 40, 40 a and the vertical supports 44 - the foot areas are neglected in the drawing - part of a frame 46 of the inlet table 1.
  • the lower run 8 t of the conveyor belt 8 or 8 a stretched between the deflection roller 30 and the drive roller 32 lies in the region of the cross beams 40, 40 a on support rollers 48 which prevent sagging.
  • the carrier 38 or the carrier sections 38 a , 38 b , 38 c have a load-bearing tubular profile 50, under which a tube or channel attachment 52 receiving those support rollers 48 is riveted or screwed.
  • a tube or channel attachment 52 receiving those support rollers 48 is riveted or screwed.
  • the profile legs 55, 55 a flank the upper run 8 h of the conveyor belt 8, 8 a running in the profile space 58 and protect the overlying sliver 2 as well as the channel attachment 52 the lower run 8 t .
  • the cross section of the one profile leg 55 of the U-profile 54 is longer than that of the other profile leg 55 a and overlaps the edge of the adjacent profile leg 55 a with a bevel 56 in order to be able to form a closed unit with its U-profile 54.
  • the carriers 38 are screwed onto the support plate 41 in FIG. 11, whereas in FIG. 12 they are inserted between crenellated projections 39 of the cross member 40.
  • Fig. 11 makes it clear that here the pipe or gutter extensions 52 extend only over part of the carrier length n or n1, n2, n3; in the selected embodiment, they are arranged one behind the other with overlapping cross sections in the conveying direction z.
  • the deflection roller 30 - the diameter d of, for example, 50 mm and the circumferential width e of here 42 mm - is mounted in the bracket-like bearing body 60 of an actuating arm 62, which can be axially displaced on the tubular profile 50 in its longitudinal axis M. is fixed, for example by screws, which - passing through a longitudinal slot 64 of the tubular profile 50 - sit in a holding piece 66.
  • the actuating arm 62 is divided in the longitudinal direction in order to be able to replace the deflection roller 30 provided between two jaw plates 61 of the bearing body 60 more easily (FIG. 14).
  • the drive unit 34 is - as shown above all in FIG. 15 - attached to the feed end 35 of a tubular profile 50.
  • a pressure roller 68 is placed on the circumference of its drive roller 32 - or on a sliver 2 running there - and articulated by means of a swing arm 70 to a bracket 72 of the adjacent carrier 50 b .
  • a sensor 74 integrated in the drive unit 34 or, according to FIG. 8, arranged in a different way in the feed area controls the belt movement as a function of the passage of the sliver 2.
  • the carrier 38 is lifted from its cross beams 40, 40 a and the movable deflection roller 30 serving as a tensioning roller is released. After the application of a new conveyor belt 8, this is tensioned by the deflecting roller 30 and the carrier 38 is used again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacement Of Web Rolls (AREA)
  • Structure Of Belt Conveyors (AREA)
EP89120164A 1988-11-03 1989-10-31 Einlauftisch zum Zuführen von Faserbändern zu einer textilverarbeitenden Maschinen und Verfahren dazu Expired - Lifetime EP0367211B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4088/88 1988-11-03
CH408888 1988-11-03

Publications (2)

Publication Number Publication Date
EP0367211A1 EP0367211A1 (de) 1990-05-09
EP0367211B1 true EP0367211B1 (de) 1992-12-30

Family

ID=4269601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120164A Expired - Lifetime EP0367211B1 (de) 1988-11-03 1989-10-31 Einlauftisch zum Zuführen von Faserbändern zu einer textilverarbeitenden Maschinen und Verfahren dazu

Country Status (8)

Country Link
US (1) US5023976A (ja)
EP (1) EP0367211B1 (ja)
JP (1) JPH02169732A (ja)
KR (1) KR900008081A (ja)
CN (1) CN1044682A (ja)
DD (1) DD288812A5 (ja)
DE (1) DE58903169D1 (ja)
PT (1) PT91964B (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH681632A5 (ja) * 1990-02-21 1993-04-30 Rieter Ag Maschf
CH682912A5 (de) * 1990-05-21 1993-12-15 Rieter Ag Maschf Vorrichtung zum Zuführen von Faserbändern zu einer textilverarbeitenden Maschine.
CH683782A5 (de) * 1990-10-12 1994-05-13 Rieter Ag Maschf Vorrichtung und Verfahren zum Zuführen von Faserbändern zu einer Textilmaschine.
JP3084767B2 (ja) * 1991-02-19 2000-09-04 豊和工業株式会社 コーマ
JPH05132233A (ja) * 1991-11-12 1993-05-28 Howa Mach Ltd リフチングローラの駆動装置
DE4142038C5 (de) * 1991-12-19 2012-03-15 Rieter Ingolstadt Gmbh Vorrichtung zur Verarbeitung einer Mehrzahl von Faserbändern
DE4243847A1 (de) * 1992-12-23 1994-06-30 Rieter Ingolstadt Spinnerei Vorrichtung zur Erfassung von Brüchen textiler Faserbänder vor einer Strecke
DE4424490A1 (de) * 1994-07-12 1996-01-18 Rieter Ingolstadt Spinnerei Strecke und Verfahren zum Betrieb einer Strecke
DE19739186A1 (de) * 1997-09-08 1999-03-11 Truetzschler Gmbh & Co Kg Vorrichtung zum Verbinden und Zuführen von Faserbändern, insbesondere Karden- oder Streckenbändern
DE19809875B4 (de) * 1998-03-07 2014-01-02 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zum Zuführen von Faserbändern an Streckwerken von Spinnereimaschinen, insbesondere von Strecken
WO1999058749A1 (de) * 1998-05-13 1999-11-18 Maschinenfabrik Rieter Ag Textilmaterial verarbeitende maschine mit einem streckwerk
DE19823906C2 (de) * 1998-05-28 2001-06-28 Gretag Imaging Ag Filmmaterial-Leitanlage
DE19908371A1 (de) 1999-02-26 2000-08-31 Truetzschler Gmbh & Co Kg Vorrichtung an einer Strecke zur Verarbeitung eines Faserverbandes aus Faserbändern
DE10347811A1 (de) * 2003-10-10 2005-06-02 Trützschler GmbH & Co KG Vorrichtung an einer Strecke zum Zuführen von Faserbändern zu einem Streckwerk aus mindestens zwei Walzenpaaren
DE102012102692A1 (de) * 2012-03-29 2013-10-02 Rieter Ingolstadt Gmbh Textilmaschine und Verfahren zu deren Beschickung mit Fasersträngen
DE102012110109A1 (de) * 2012-10-23 2014-04-24 TRüTZSCHLER GMBH & CO. KG Zuführeinrichtung für Faserband
US9718637B2 (en) 2013-08-16 2017-08-01 Rjs Corporation Creel threader and method of use
US20240125014A1 (en) * 2019-10-17 2024-04-18 Rjs Corporation Digital creel system

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GB402314A (en) * 1932-04-09 1933-11-30 Gustav Jacobs Improved method of and means for preparing fibres for spinning
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Also Published As

Publication number Publication date
CN1044682A (zh) 1990-08-15
DD288812A5 (de) 1991-04-11
PT91964B (pt) 1995-09-12
US5023976A (en) 1991-06-18
JPH02169732A (ja) 1990-06-29
PT91964A (pt) 1990-05-31
KR900008081A (ko) 1990-06-02
EP0367211A1 (de) 1990-05-09
DE58903169D1 (de) 1993-02-11

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