US3409237A - Reversible winding arrangement - Google Patents

Reversible winding arrangement Download PDF

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Publication number
US3409237A
US3409237A US624952A US62495267A US3409237A US 3409237 A US3409237 A US 3409237A US 624952 A US624952 A US 624952A US 62495267 A US62495267 A US 62495267A US 3409237 A US3409237 A US 3409237A
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US
United States
Prior art keywords
roller
transporting
yarn
windup
rotation
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
US624952A
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English (en)
Inventor
Frantisek Pospisil
Jiri Elias
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.)
Vyzkumny Ustav Bavlnarsky AS
Original Assignee
Vyzkumny Ustav Bavlnarsky AS
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 Vyzkumny Ustav Bavlnarsky AS filed Critical Vyzkumny Ustav Bavlnarsky AS
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Publication of US3409237A publication Critical patent/US3409237A/en
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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
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • D01H4/50—Piecing arrangements; Control therefor for rotor spinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/52—Drive contact pressure control, e.g. pressing arrangements
    • 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
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • 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 present invention relates to a winding arrangement in which an elongated flexible element, such as a yarn spun and twisted in a rotating spinning chamber, is transported by a pair of rollers, one of which is a transporting roller and the other a pressure roller, toward a windup roller which forms a bobbin package.
  • Another object of the invention is to automatically reverse the windup roller of a newly spun yarn when the same breaks while rendering the transporting means of the yarn inoperative.
  • the present invention relates to a reversible winding arrangement for a ilexible elongated element, such as a yarn, and the term yam will be used in the present application to define any flexible elongated element which can be wound up.
  • the yarn is supplied to the winding apparatus by supply means, such as a rotary spinning chamber in which fibers are combined to form a strand which is twisted.
  • supply means such as a rotary spinning chamber in which fibers are combined to form a strand which is twisted.
  • One embodiment of the invention comprises a windup unit rotatable ina windup direction for winding up a yarn, and a transporting unit having an inoperative conydition and an operative condition for transporting the yarn from a supply means to the windup unit.
  • the transporting unit includes a transporting roller conice nected with a windup roller, and a pressure roller mounted on a support for movement between a position cooperating with a transporting roller and a spaced position in which the transporting unit is inoperative.
  • Feeler means sense the yarn supplied to the transporting unit and control reversible drive means for the windup roller so that the same is reversed when the yarn breaks.
  • Operating means include sensing means ⁇ for sensing the direction of rotation, and actuating means acting on the support of the pressure roller to move the same to the inoperative position spaced from the transporting roller when the direction of rotation is reversed.
  • the Sensing means may be constructed asV a magnet having a winding and cooperating with the transporting roller or the winding roller to produce different voltages when the rollers are reversed.
  • An electromagnetic actuating means is controlled by the reversed voltage to move the pressure roller to the inoperative position.
  • a one-way clutch has one clutch part connected with a transporting roller or with the windup roller for rotation and another clutch part which rotates only during reverse rotation of the respective roller.
  • a cam is driven through a friction coupling by this part ⁇ of the clutch to shift the pressure roller to the inoperative position spaced from the transporting roller.
  • FIG. 1 is a schematic and partly diagrammatic view illustrating a reversible winding arrangement according to one embodiment of the invention
  • FIG. 2 is a fragmentary elevation, partially in section, illustrating another embodiment of the invention.
  • FIG. 3 is a fragmentary axial sectional view of the embodiment of FIG. 2.
  • a spinning apparatus 1 which includes a rotary spinning chamber produces a spun and twisted yarn 2.
  • the spinning chamber is of the conventional rotary type to which fibers are supplied so that the fibers are deposited on an annular inner surface of the spinning chamber and twisted when drawn by the transporting unit 3, 4 out of the outlet of the spinning chamber.
  • the transporting unit includes a transporting roller 3 connected by a chain transmission to a windup roller 8 which forms a rotating bobbin package 9.
  • a reversible drive motor 17 is connected to the shaft of windup roller 8 and rotates the same so that transporting roller 3 is also rotated during the normal operation of the apparatus.
  • Pressure roller 4 is rotatably mounted on a support lever 5 which is turnable about a stationary pivot on the frame of the machine, as schematically indicated.
  • An electromagnetic actuating means 11 has an armature connected to support lever 5 by a pivot, while the main part of the electromagnetic actuator 11 including the winding is pivotally mounted on the frame of the machine, as schematically indicated. When electromagnetic actuator means 11 is energized, support lever is turned in clockwisev direction so that pressure roller 4 is moved to a position spaced from the driven transporting roller 3 so that the transporting unit 3, 4, is inoperative and cannot transport the yarn.
  • a sensing means 14 includes a magnet and a winding that is located in proximity of transporting roller 3 so that during rotation of the same, a voltage is produced which is supplied through a line 9 to an electric circuit means 13.
  • the voltage produced by the electromagnetic sensing means 14 has a certain polarity to which the circuit 13 responds to de-energize electromagnetic actuating means 11, so that a spring, not shown, biases support lever 5 to the operative position in which pressure roller 4 cooperates with the rotating transporting roller 3 to transport the yarn toward the windup roller 8.
  • Circuit 13 may include a relay opening a switch in line 12 when receiving the voltage produced by electromagnetic sensing means 14.
  • the portion of yarn 2 located between the spinning machine 1 and the transporting unit 3, 4, is sensed by feeler means 15 which responds to a yarn breakage with an impulse supplied to control means 16 which cause reversal of the direction of rotation of drive motor 17.
  • Sensing means 15 may include a switch closed upon a yarn breakage and completing the circuit of a relayl in control means 16 shifting a reversing switch in control means 16 by which motor 17 is reversed.
  • pressure roller 4 would remain in its operative position, another yarn breakage may occur due to the'different masses and inertias of transporting roller 3 and windup roller 8.
  • control means 16 When feeler means 15 senses a continuous yarn portion between the spinning chamber and the transporting unit, control means 16 again reverse drive motor 17 to its normal direction of rotation so that windup roller 8 and transporting roller 3 are reversed and start to rotate in the normal clockwise transporting and winding direction.
  • the electromagnetic sensing means 14 responds to produce a voltage having the normal polarity so that the relay of circuit means 13 opens the switch in the line 12 and electromagnetic actuating means 11 is deenergized so that the spring of support lever 5 turns the same until pressure roller 4 again cooperates with transporting roller 3 and is driven by the same.
  • the transporting unit is 4again operative, and the yarn is transported from the spinning chamber to the windup roller and wound up.
  • a transporting roller 3' cooperates with a pressure roller 4' mounted on a support 20 which is pivotally supported on a pivot 6 on the frame of the machine.
  • Transporting roller 3' is connected by a chainvdrive 7 with a windup roller 8 which winds a bobbin package 9, and is driven by a motor 17 which can be reversed by control means 16 including feeler means 15 for a yarn 2 supplied by a spinning machine 1, as described with reference to FIG. 1, and these parts of the apparatus which are common to both embodiments are not illustrated.
  • the embodiment of FIGS. 2 and 3 dilfers from the embodiment of FIG.
  • FIGS. 2 and 3 show mechanical operating means for this purpose, as compared with the electric operating means 11, 13, 14 of the embodiment of FIG. 1.
  • a shaft 18 carries the hollow transporting roller 3' which is connected to shaft 18 by a key 19.
  • Shaft 18 carries a chain wheel for the chain drive 7, not shown in FIG. 3, as described with reference to FIG. l.
  • the periphery of transporting roller 3' cooperates with the periphery of pressure roller 4' to transport the yarn in the windup direction during rotation of transporting roller 3' in clockwise direction.
  • Transporting roller 3 has an inner cavity 21 between an outer cylindrical wall and an inner hub wall 22 which has a plurality of circumferentially spaced wedge shaped recesses 23 cooperating with small rolls 24 which are surrounded by an annular member 25.
  • Members 22, 24, 25 constitute a one-way clutch which is disengaged during rotation of transporting roller 3' in counterclockwise direction.
  • a friction coupling includes a rst coupling member 30 having a cylindrical flange 28 slidably mounted on clutch part 25 and having axial projections 29 located in the recesses 27 between radial projections 26 of annular clutch part 25.
  • a coil spring 31 surrounds the cylindrical ange 28 and abuts projections 26 and a shoulder of coupling part 30.
  • a ring-shaped friction lining 32 is secured to coupling part 30 and in sliding engagement with a corresponding circular surface of another coupling part 33 which has a cut-out 39 in which a stop pin 42 secured to a stationary frame wall 38 is located.
  • Coupling member 33 also has a projecting cam lug 44 cooperating with a projecting part 43 of support lever 20. In the normal position of coupling part 33, a planar face on projection 43 engages a corresponding planar face on coupling part 33.
  • a torsion spring 36 is located in an annular recess 34 on the front face of coupling part 33, and has one end located in a bore 35 of coupling part 33, and the other end located in a blind bore 37 in the stationary frame Wall 38.
  • Torsion spring 36 is tensioned, and biases coupllng part 33 with cam 44 to turn in counterclockwise dlrection, as viewed in FIG. 2, to the illustrated position in which the shoulder 40 of recess 39 in coupling part 33 abuts the stationary stop pin 42 which is secured to frame Wall 38. This position is maintained during the clockwise rotation of transporting roller 3' during which the yarn is transported to the windup unit 8, 9.
  • the spinning unit 1 is assumed to be located above the transporting rollers 3', 4', and the winding roller 8 is assumed to be located below the transporting unit, as viewed in FIG. 2.
  • transporting roller 3' rotates in counterclockwise direction and transports together with pressure roller 4 the yarn toward the windup roller.
  • control means 16 reverses drive motor 17 so that the direction of rotation of windup roller 8 and of transporting roller 3 is reversed so that transporting roller 3' rotates in clockwise direction.
  • sensing means When the broken yarn is -again attached to the newly spun yarn end in the spinning chamber, sensing means is actuated by the yarn to cause by control means 16 the reversal of drive motor 17 so that windup roller 8 is again rotated in the Winding direction and transporting roller 3 again rotates in counterclockwise direction so that clutch part 22 also rotates in counterclockwise direction which cause the release of the oneway clutch since rolls 24 move to the deeper parts of recesses 23. Consequently, coupling member 30 is no longer driven by clutch part Z5.
  • torsion spring 36 is now sufficient to turn coupling member 33 with cam lobe 44 back in counterclockwise direction until shoulder 40 again abuts stop 42 and cam lobe 44 releases projection 43 so that support lever is returned by its spring to the operative position in which pressure roller 4 cooperates with transporting roller 3 to transport the yarn.
  • Reversible winding arrangement comprising, in combination, supply means for supplying a yarn; a windup unit rotatable in a windup direction for winding up a yarn; a transporting unit having an inoperative condition, and an operative condition for transporting the yarn from said supply means to said windup unit; control means including feeler means for sensing the yarn supplied to said transporting unit, and controlling said windupfunit for reversing the direction of rotation of the same upon a yarn breakage; and operating means having a normal position for holding said transporting unit in said operative condition, and being responsive to a reversal of the direction of rotation to place said transporting unit in said inoperative condition so that only the reversed windup unit moves the brokenyarn toward said supply means for attachment to a yarn end 'whereby a yarn breakage between said transporting unit and said windup unit is prevented.
  • Reversible winding arrangement as claimed in claim 1, including transmission means for connecting said windup unit with said transporting unit for rotation; and wherein said control means include reversible drive means driving one of said units and thereby the other unit, and means for reversing the direction of rotation of said reversible ⁇ drive means when said feeler means senses a yarn breakage.
  • said transporting unit includes a transporting roller connected with said windup unit for rotation, and a pressure roller having a first position cooperating with said transporting roller for transporting the yarn in said operative condition of said transporting unit, and a secong position spaced from said transporting roller in said inoperative condition of said transporting unit; and wherein said operating means move said pressure roller between said first and second positions.
  • said transporting unit includes a transporting roller connected with said windup unit for rotation, and a pressure roller havng a first position cooperating 'with said transporting roller for transporting the yarn in said operative condition of said transporting unit, and a second position spaced from said transporting roller in said inoperative condition of said transporting unit; and wherein said operating means include sensing means for sensing the direction of rotation of said transporting roller, and actuating means controlled by said sensing means upon reversion of the direction of rotation of said transporting roller to move said pressure roller to said second position so that said transporting roller does not transport the yarn in the reversed direction.
  • said sensing means includes a magnet and a winding for producing different output signals when said said actuating means includes an electromagnet energized by said signals, and a movable support for said pressure roller operated by said electromagnet to move said pressure roller between said first and second positions.
  • Reversible winding arrangement as claimed in claim 4, wherein said sensing means includes a magnet and a Winding for producing different output signals when said transporting roller rotates in opposite directions, wherein said actuating means includes an electromagnet energized by said signals, and a movable support for said pressure roller operated by said electromagnet to move said pressure roller between said first and second positions; and wherein said control means include a reversible drive motor for driving said windup unit and thereby said transporting roller, and means for reversing the direction of rotation of said drive motor when said feeler means senses a yarn breakage.
  • said sensing means includes a one-Way clutch having one clutch part connected with said transporting roller for rotation and another clutch part rotating only during reverse rotation of said transporting roller, and wherein said actuating means includes cam means operated by said other clutch part during rotation of the same, and a support for said pressure roller operated by said cam means to move said pressure roller between said first and second positions.
  • said actuating means include a friction coupling connecting said lother clutch part with said cam means, stop means limiting turning movement of said cam means -by said other rotating clutch part in a position in which said cam means acts on said support to hold said pressure roller spaced from said supporting roller, a spring urging said cam means to turn opposite to the direction of rotation of said other clutch part when said one-way clutch is disengaged so that said cam means releases said support whereby said pressure rollers returns tov a position cooperating with said transporting roller, said stop means limiting turning movement of said cam means under the action of said spring means.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
US624952A 1966-03-23 1967-03-21 Reversible winding arrangement Expired - Lifetime US3409237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS192366 1966-03-23

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US3409237A true US3409237A (en) 1968-11-05

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US624952A Expired - Lifetime US3409237A (en) 1966-03-23 1967-03-21 Reversible winding arrangement

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US (1) US3409237A (fi)
AT (1) AT271280B (fi)
BE (1) BE694560A (fi)
CH (1) CH453150A (fi)
DE (1) DE1710035C3 (fi)
ES (1) ES336430A1 (fi)
FR (1) FR1516357A (fi)
GB (1) GB1168703A (fi)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640440A (en) * 1969-04-25 1972-02-08 Elitex Z Textilriho Strojirens Pneumatic circuit for controlling the feeding of yarn into a yarn magazine
US5511712A (en) * 1993-11-23 1996-04-30 Koenig & Bauer Aktiengesellschaft Web guide roller with directionally switched drive coupling
US5586427A (en) * 1994-09-03 1996-12-24 Rieter Ingolstadt Spinnereimaschinenbau Ag Device for adjusting the contact pressure of a pressure roller against the draw-off shaft of a rotor spinning machine
US20090230230A1 (en) * 2005-10-19 2009-09-17 Oerlikon Textile Gmbh & Co. Kg Wind-On Device for Workstations of Two-For-One Twisters and Ply Twisters

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1126058A3 (de) * 2000-02-17 2002-11-27 Schärer Schweiter Mettler AG Vorrichtung zum Antreiben rotierbarer Organe einer OE-Spinnmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1080522A (en) * 1912-08-06 1913-12-02 John Boyd Rove-stopping mechanism.
US1845565A (en) * 1930-12-18 1932-02-16 Bigelow Sanford Carpet Co Inc Stop mechanism for yarn twisting and winding machines
US2421555A (en) * 1945-03-05 1947-06-03 Douglas Fraser & Sons Ltd Stop motion for spinning and like textile frames
US3354626A (en) * 1966-09-26 1967-11-28 Cizek Leopold Method and apparatus for stopping and starting a spinning machine
US3354631A (en) * 1964-04-20 1967-11-28 Vyzk Ustav Bavlnarsky Method and apparatus for preventing interruption of a spinning process during breakage of the spun thread

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1080522A (en) * 1912-08-06 1913-12-02 John Boyd Rove-stopping mechanism.
US1845565A (en) * 1930-12-18 1932-02-16 Bigelow Sanford Carpet Co Inc Stop mechanism for yarn twisting and winding machines
US2421555A (en) * 1945-03-05 1947-06-03 Douglas Fraser & Sons Ltd Stop motion for spinning and like textile frames
US3354631A (en) * 1964-04-20 1967-11-28 Vyzk Ustav Bavlnarsky Method and apparatus for preventing interruption of a spinning process during breakage of the spun thread
US3354626A (en) * 1966-09-26 1967-11-28 Cizek Leopold Method and apparatus for stopping and starting a spinning machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640440A (en) * 1969-04-25 1972-02-08 Elitex Z Textilriho Strojirens Pneumatic circuit for controlling the feeding of yarn into a yarn magazine
US5511712A (en) * 1993-11-23 1996-04-30 Koenig & Bauer Aktiengesellschaft Web guide roller with directionally switched drive coupling
US5586427A (en) * 1994-09-03 1996-12-24 Rieter Ingolstadt Spinnereimaschinenbau Ag Device for adjusting the contact pressure of a pressure roller against the draw-off shaft of a rotor spinning machine
US20090230230A1 (en) * 2005-10-19 2009-09-17 Oerlikon Textile Gmbh & Co. Kg Wind-On Device for Workstations of Two-For-One Twisters and Ply Twisters
US7866589B2 (en) * 2005-10-19 2011-01-11 Oerlikon Textile Gmbh & Co. Kg Wind-on device for workstations of two-for-one twisters and ply twisters

Also Published As

Publication number Publication date
GB1168703A (en) 1969-10-29
DE1710035C3 (de) 1974-05-22
CH453150A (de) 1968-05-31
AT271280B (de) 1969-05-27
ES336430A1 (es) 1968-01-01
DE1710035B2 (de) 1973-10-18
DE1710035A1 (de) 1971-09-09
FR1516357A (fr) 1968-03-08
BE694560A (fi) 1967-07-31

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