US3334479A - Device for securing yarn during stoppage of the spinning mechanism for the continuous ringless spinning of textile fibers - Google Patents

Device for securing yarn during stoppage of the spinning mechanism for the continuous ringless spinning of textile fibers Download PDF

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Publication number
US3334479A
US3334479A US621332A US62133267A US3334479A US 3334479 A US3334479 A US 3334479A US 621332 A US621332 A US 621332A US 62133267 A US62133267 A US 62133267A US 3334479 A US3334479 A US 3334479A
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United States
Prior art keywords
spinning
gripping
yarn
spinning chamber
outlet passage
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Expired - Lifetime
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US621332A
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English (en)
Inventor
Mikulecky Karel
Elias Jiri
Holub Jan
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Vyzkumny Ustav Bavlnarsky AS
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Vyzkumny Ustav Bavlnarsky AS
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    • 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
    • D01H4/04—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 imparting twist by contact of fibres with a running surface
    • D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
    • D01H13/18—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only
    • D01H13/188—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only by cutting or clamping yarns or rovings

Definitions

  • ABSTRACT OF THE DISCLOSURE A device influenced by the air pressure in a spinning chamber for preventing, during stopping of rotation of the spinning chamber, withdrawal of yarn from the outlet passage thereof and including gripping means movable between a gripping position gripping a portion of a yarn passing through the outlet passage and a releasing position .permitting free movement of the yarn through and beyond the outlet passage in such a manner that said gripping means will be in the releasing position during rotation of the spinning chamber and maintenance of subatmospheric pressure therein, and in said gripping position when the spinning chamber is at standstill and atmospheric pressure is maintained therein.
  • the present invention relates to a device for preventing withdrawal of yarn from the outlet passage of a spinning mechanism for continuous ringless spinning of textile fibers equipped with an underpressure spinning chamber during stoppage of rotation of the spinning chamber.
  • the device according to the present invention for preventing, during stopping of a spinning mechanism for continuous ringless spinning of textile fibers in a rotatable spinning chamber in which 3,334,479 Patented Aug. 8, 1967 subatmospheric pressure is produced.
  • the device mainly comprises gripping means in the region of the outlet end of the outlet passage and being movable between a gripping position gripping a portion of yarn passing through the outlet passage and releasing position permitting free movement of the yarn through and beyond the outlet passage, wherein the gripping means is constructed so as to tend to stay in the gripping position, and operating means influenced by the air pressure: in the spinning chamber and cooperating with the gripping means to move the latter to the releasing position when, during rotation of the spinning chamber, a subatmospheric pressure is produced therein so that the gripping mechanism will be in the gripping position during the standstill of the spinning chamber.
  • the gripping means may comprise a gripping member movable between the aforementioned position thereof and biasing means cooperating with the gripping member to yieldably maintain the latter in the gripping position thereof.
  • the operating means may comprise pneumatic means communicating with the spinning chamber and cooperating with the gripping member for moving the latter to the releasing position when, during rotation of the spinning chamber, subatmospheric pressure is created therein.
  • the gripping member may be constituted by a twoarmed lever pivoted intermediate the ends thereof and having at one end a gripping portion movable toward and away from a fixed member so as to grip, when in the gripping position, a portion of the yarn between the gripping portion and the fixed member, while in the releasing position the gripping portion of the lever is spaced from the fixed member so that a. yarn may freely pass therebetween.
  • the operating means in this arrangement may comprise a cylinder communicating with the interior of the spinning chamber and a piston slidably guided in the cylinder and connected to the other end of the lever for tilting the same about the tilting axis between the positions thereof depending on the pressure in the spinning chamber and corresponding pressure in the cylinder.
  • the biasing means in this arrangement pref erably comprise a spring which is connected to the lever in such a manner so as to yieldably maintain the latter in the gripping position.
  • the gripping means may include a piston having an end face and a stationary member having a face opposite the end face of the piston and spaced therefrom when the piston is in the releasing position.
  • the piston is slidably guided in a cylinder which is in communication with the interior of the spinning chamber so that during rotation of the spinning chamber and creation of a subatmospheric pressure therein the piston is moved to its releasing position, and biasing means are provided cooperating with the piston for yieldably biasing the same into the gripping position in which a portion of the yarn passing through the outlet passage of the spinning chamber is gripped between the aforementioned faces.
  • the piston may be formed from magnetizable material, and the stationary member may be in the form of a magnet, for instance a permanent magnet, so that the stationary member constitutes also the biasing means biasin the gripping member in form of the piston to the gripping position thereof.
  • the biasing means may also be in this case constituted by a spring engaging the piston so as to bias the same continuously toward the stationary member.
  • FIG. 1 is a schematic, sectioned side view of one embodiment of a spinning mechanism for continuous ringless spinning provided with a device according to the present invention for preventing withdrawal of the yarn from the outlet passage of the spinning chamber during stopping of rotation of the latter, in which the device is shown in the releasing position;
  • FIG. 2 is a partial, sectioned side view similar to FIG. 1 and showing the device in the gripping position;
  • FIG. 3 is a schematic, sectioned side view of a spinning mechanism and provided with a device for gripping the yarn during standstill of the spinning chamber, which device differs from the device of FIGS. 1 and 2, the device being shown in FIG. 3 in the releasing position;
  • FIG. 4 is a partial, sectioned side view similar to FIG. 3 and showing the device in the gripping position thereof;
  • FIG. 5 is a partial, sectioned side view similar to FIG. 4 and showing a slight modification of the device.
  • FIGS. 1 and 2 of the same there is illustrated a mechanism for continuous ringless spinning of textile fibers which includes a spinning chamber 2 of known construction rotatable by means not shown in the drawing about a preferably vertical axis, which spinning chamber has an open bottom end into which textile fibers 1 to be spun are introduced by means known in the art.
  • the spinning chamber 2 is provided with a plurality of radially extending air discharge openings 15 so that during fast rotation of the spinning chamber about its axis, air is discharged through the openings 15, whereby a subatmospheric pressure is created in the space 13 in the interior of the spinning chamber.
  • the textile fibers 1 introduced into the spinning chamber are thereby sucked against the inner peripheral surface thereof and during fast rotation of the spinning chamber about its axis spun in a known manner into a yarn which is continuously withdrawn through the tubular outlet passage 4 in a known manner, for instance by being passed between withdrawing roller 16, one of which is rotated in the appropriate direction and the yarn 3 is then wound to a bobbin 17.
  • the present invention provides for a device obviating this disadvantage.
  • the device may comprise, as illustrated in FIGS. 1 and 2, gripping means including a two-armed lever 5, pivotally mounted intermediate its ends for tilting about a tilting axis 14 so as to be movable between a releasing position, as shown in FIG. 1, in which a gripping portion 6 at one end of the lever arranged adjacent the outlet end 7 of the outlet passage 4 is spaced from a stationary member '8 arranged opposite the gripping portion 6 so that the yarn 3 may freely pass through the space between the stationary member 8 and the gripping portion 6 of the lever, and a gripping position, as shown in FIG. 2, in which the gripping portion 6 is nearly in engagement with the stationary member 8 so as to tightly grip a portion of the yarn passing therebetween.
  • gripping means including a two-armed lever 5, pivotally mounted intermediate its ends for tilting about a tilting axis 14 so as to be movable between a releasing position, as shown in FIG. 1, in which a gripping portion 6 at one end of the lever arranged adjacent the outlet end 7 of the outlet passage
  • the gripping means include further biasing means, illustrated in FIGS. 1 and 2 as a tension spring 9, connected at one end thereof to a stationary part of the only partially illustrated frame of the spinning device and at the other end to the lever arm 5 and biased so as to yieldably maintain the gripping means in the gripping position thereof, as shown in FIG. 2.
  • the gripping device includes further operating means influenced by the air pressure in the spinning chamber 2 and cooperating with the gripping means, that is the lever 5, 10 to move the latter to the releasing position thereof shown in FIG. 1 when, during rotation of the spinning chamber 2, a subatmospheric. pressure is produced therein.
  • the operating means may include chamber means 12, preferably in the form of a cylinder having an open end, and movable means, preferably in the form of a piston 11 slidably guided in the cylinder and closing the open end thereof.
  • the interior of the cylinder 12 is in constant communication with the space 13 in the spinning chamber 2 through a tube 22, as schematically illustrated by the dotted line in FIG.
  • the piston 11 is connected to the free end of the lever arm 10 by a rod 23 having a bent end 23 engaging in slot 24 formed in the lever arm 10 at the free end thereof,
  • FIGS. 1 and 2 The operation of the arrangement illustrated in FIGS. 1 and 2 will be obvious from the above description.
  • a subatmospheric pressure will be created in the space 13, and therefore a subatmospheric pressure Will also be maintained in the cylinder 12 to the left side of the piston 11, as viewed in FIG. 1.
  • Atmospheric pressure acting on the right face of the piston, as viewed in FIG. 1, will therefore move the piston 11 to the position as shown in FIG.
  • FIGS. 3 and 4 illustrate a second embodiment of a gr pp ng device to be used, in combination with a ringless spinnlng mechanism as described above.
  • the gripping device illustrated in FIGS. 3 and 4 may include a block 1? formed from nonmagnetizable material and provided with a passage 7 therethrough which forms a continuation of the outlet passage 4 of the spinning chamber 2.
  • a cylinder space 20 is formed in the block 19 extending transverse to the passage 7' and being open toward one side of this passage, the cylinder space is closed at the opposite side and communicates with the space 13 in the rotating spinning chamber 2 through a conduit 22 or the like as schematically indicated by the dotted line in FIG. 3.
  • the gripping member in this arrangement is constituted by a piston 18 of magnetizable material having an end face 18' facing and being, in the releasing position as shown in FIG. 3, spaced from a corresponding end face of biasing means 21 in the form of a magnet, preferably a permanent magnet, tightly fitted in a corresponding bore formed in the block 19 at the side of the passage 7' therethrough opposite from the cylinder space 20.
  • FIG. 5 illustrates a further modification of the gripping device which is very similar to the gripping device illusstrated in FIGS. 3 and 4, the only difference being that the block 19' is not formed with a bore in which a permanent :magnet 21 is located, and the biasing means which urge the piston 18 toward the left, as viewed in FIG. 5, are in this case not constituted by the attracting force of a permanent magnet, but by a compression spring 25 located in the cylinder space 20 and engaging with one end thereof the piston 18 to urge the latter toward the left, as viewed in FIG. 5, in engagement with a face of the block 19' opposite the end face 18' of the piston.
  • the cylinder space 20 is again through a conduit 22 in communication with the space 13 in the spinning chamber 2 (not illustrated in FIG.
  • a device for preventing, during stopping of a spinning mechanism for continuous ringless spinning of textile fibers in a rotatable spinning chamber in which subatmospheri-c pressure is created during rotation thereof, withdrawal of yarn from the outlet passage of the spinning mechanism comprising, in combination, gripping means in the region of the outlet end of the outlet passage and being movable between a gripping position gripping a portion of a yarn passing through said outlet passage and a releasing position permitting free movement of the yarn through and beyond said outlet passage, said gripping mechanism being constructed so as to tend to stay in said gripping position; and operating means influenced by the air pressure in said spinning chamber and cooperating with said gripping means to move the latter to said releasing position when during rotation of said spinning chamber subatmospheric pressure is created therein so that said gripping means will be in said gripping position during standstill of said spinning chamber.
  • said gripping means comprises a gripping member movable between said gripping and said releasing positions and biasing means cooperating with said gripping member to yieldably maintain the latter in said gripping position.
  • said operating means comprises pneumatic means communicating with said spinning chamber and cooperating with said gripping means for moving the latter to said releasing position when during rotation of said spinning chamber a subatmospheric pressure is created in the latter.
  • said gripping means comprises a movable gripping member having a gripping portion in the region of the outlet end of said outlet passage and a fixed member opposite and spaced from said gripping portion in the releasing position of said gripping means so that a yarn may pass freely through the space between said fixed member and said gripping portion, and biasing means continuously biasing said gripping portion toward said fixed member so as to grip a portion of the yarn therebetween when said gripping means is in said gripping position.
  • said movable gripping member comprises a two-armed lever having said gripping portion at one end thereof and being tiltable between said gripping and releasing positions about a tilting axis intermediate the ends thereof, said operating means being connected to the other end of said lever.
  • said operating means comprises chamber means having an open end and communicating with said spinning chamber, and movable means fluid-tightly closing said open end and being moved in one direction when the interior of the chamber means is at subatmospheric pressure, said movable means being connected to said other end of said lever to move said gripping portion thereof away from said fixed member when the interior of said spinning chamber and said chamber means communicating with said spinning chamber are at subatmospheric pressure.
  • said operating means comprises a cylinder communicating with the interior of said spinning chamber, and a piston fluidtightly guided in said cylinder and connected to said other end of said lever.
  • said biasing means comprises a spring connected to said lever.
  • said gripping means comprises a piston having an end face and a stationary member having a face opposite and spaced from said end face when said gripping means is in said releasing position so that a yarn may pass freely through the space between said stationary member and said end face of said piston, and biasing means continuously biasing said piston toward said stationary member so as to grip a portion of the yarn between said end face of said piston and said opposite face of said stationary member when said gripping means is in said gripping position, said operating means comprising a cylinder communicating with said spinning chamber and fluid-tightly guiding said piston so as to move the latter to said releasing position when during rotation of said spinning chamber subatmospheric pressure is created therein.
  • said biasing means comprises a spring engaging said piston for biasing said end face thereof against said opposite face of said stationary member.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US621332A 1966-03-11 1967-03-07 Device for securing yarn during stoppage of the spinning mechanism for the continuous ringless spinning of textile fibers Expired - Lifetime US3334479A (en)

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CS162666 1966-03-11

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US (1) US3334479A (enrdf_load_stackoverflow)
AT (1) AT268944B (enrdf_load_stackoverflow)
BE (1) BE685384A (enrdf_load_stackoverflow)
CH (1) CH457215A (enrdf_load_stackoverflow)
DE (1) DE1289472B (enrdf_load_stackoverflow)
FR (1) FR1495032A (enrdf_load_stackoverflow)
GB (1) GB1092496A (enrdf_load_stackoverflow)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3425205A (en) * 1966-11-19 1969-02-04 Schubert & Salzer Maschinen Method and apparatus for strand quality control in rotary spinning chambers
US3439487A (en) * 1967-03-09 1969-04-22 Schubert & Salzer Maschinen Spinning chamber rotor
US3455095A (en) * 1967-09-26 1969-07-15 Tmm Research Ltd Spinning of textile yarns
US3492804A (en) * 1966-09-03 1970-02-03 Schubert & Salzer Maschinen Sensor-actuated strand clamping and strand return mechanism for spinning apparatus
US3501905A (en) * 1966-04-26 1970-03-24 Schubert & Salzer Maschinen Sliver spinning method and apparatus
US3521440A (en) * 1968-02-07 1970-07-21 Lev Ivanovich Oskin Twisting device for pneumatic spinning
US3543500A (en) * 1967-06-05 1970-12-01 Tmm Research Ltd Spinning of textile yarns
US3643414A (en) * 1969-03-10 1972-02-22 Elitex Z Textilhino Strojirens Checking mechanism for detecting yarn breakages in open end spinning machines
US3662532A (en) * 1969-07-04 1972-05-16 Stahlecker Gmbh Wilhelm Spinning device for spinning threads by the open-end method
US3760576A (en) * 1970-06-17 1973-09-25 Alsacienne De Constr Mecanique Spinning frame having bowl spindles
US3892062A (en) * 1973-04-30 1975-07-01 Fritz Stahlecker Apparatus for start-spinning on an open-end spinning machine
US4005568A (en) * 1975-11-18 1977-02-01 The United States Of America As Represented By The Secretary Of Agriculture Self-cleaning open-end yarn spinning apparatus
US4132056A (en) * 1975-12-23 1979-01-02 Schubert & Salzer Open end spinning apparatus
USRE30167E (en) * 1973-04-30 1979-12-18 Apparatus and method for start-spinning on an open-end spinning machine
DE3017477A1 (de) * 1979-05-11 1980-11-13 Toyoda Automatic Loom Works Verfahren und vorrichtung zum anfahren und anhalten einer offen-end- spinnmaschine
US4584833A (en) * 1983-09-13 1986-04-29 Vyzkumny Ustav Bavlnarsky Apparatus for emergency interruption of fiber supply to a spinning unit of open-end spinning machines
CN106542377A (zh) * 2016-12-02 2017-03-29 广西剑麻集团山圩剑麻制品有限公司 具有断纱自停功能的倒纱机
CN115092765A (zh) * 2022-06-30 2022-09-23 凯德技术长沙股份有限公司 基于纱线断纱的自停控制装置及其控制方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS153225B1 (enrdf_load_stackoverflow) * 1970-09-14 1974-02-25
DE3118873C2 (de) * 1981-05-13 1985-01-03 Palitex Project-Company Gmbh, 4150 Krefeld Doppeldraht-Zwirnspindel

Citations (5)

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US1949604A (en) * 1929-07-20 1934-03-06 Celanese Corp Manufacture of artificial filaments or threads
US3115001A (en) * 1962-09-18 1963-12-24 Vyzk Ustav Bavinarsky Spinning apparatus
US3126697A (en) * 1964-03-31 Apparatus for continuous spinning of fibrous textile materials
US3163976A (en) * 1962-05-25 1965-01-05 Alsacienne Constr Meca Spinning device
GB1031150A (en) * 1964-11-25 1966-05-25 Elitex Zavody Textilniho A device for continuous centrifugal spinning

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH436057A (de) * 1965-08-05 1967-05-15 Vyzk Ustav Bavlnarsky Verfahren zur Fadenbruchbehebung an einer Spinnmaschine mit rotierender Spinnkammer und Spinnmaschine zum Durchführen dieses Verfahrens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126697A (en) * 1964-03-31 Apparatus for continuous spinning of fibrous textile materials
US1949604A (en) * 1929-07-20 1934-03-06 Celanese Corp Manufacture of artificial filaments or threads
US3163976A (en) * 1962-05-25 1965-01-05 Alsacienne Constr Meca Spinning device
US3115001A (en) * 1962-09-18 1963-12-24 Vyzk Ustav Bavinarsky Spinning apparatus
GB1031150A (en) * 1964-11-25 1966-05-25 Elitex Zavody Textilniho A device for continuous centrifugal spinning

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501905A (en) * 1966-04-26 1970-03-24 Schubert & Salzer Maschinen Sliver spinning method and apparatus
US3492804A (en) * 1966-09-03 1970-02-03 Schubert & Salzer Maschinen Sensor-actuated strand clamping and strand return mechanism for spinning apparatus
US3425205A (en) * 1966-11-19 1969-02-04 Schubert & Salzer Maschinen Method and apparatus for strand quality control in rotary spinning chambers
US3439487A (en) * 1967-03-09 1969-04-22 Schubert & Salzer Maschinen Spinning chamber rotor
US3543500A (en) * 1967-06-05 1970-12-01 Tmm Research Ltd Spinning of textile yarns
US3455095A (en) * 1967-09-26 1969-07-15 Tmm Research Ltd Spinning of textile yarns
US3521440A (en) * 1968-02-07 1970-07-21 Lev Ivanovich Oskin Twisting device for pneumatic spinning
US3643414A (en) * 1969-03-10 1972-02-22 Elitex Z Textilhino Strojirens Checking mechanism for detecting yarn breakages in open end spinning machines
US3662532A (en) * 1969-07-04 1972-05-16 Stahlecker Gmbh Wilhelm Spinning device for spinning threads by the open-end method
US3760576A (en) * 1970-06-17 1973-09-25 Alsacienne De Constr Mecanique Spinning frame having bowl spindles
US3892062A (en) * 1973-04-30 1975-07-01 Fritz Stahlecker Apparatus for start-spinning on an open-end spinning machine
USRE30167E (en) * 1973-04-30 1979-12-18 Apparatus and method for start-spinning on an open-end spinning machine
US4005568A (en) * 1975-11-18 1977-02-01 The United States Of America As Represented By The Secretary Of Agriculture Self-cleaning open-end yarn spinning apparatus
US4132056A (en) * 1975-12-23 1979-01-02 Schubert & Salzer Open end spinning apparatus
DE3017477A1 (de) * 1979-05-11 1980-11-13 Toyoda Automatic Loom Works Verfahren und vorrichtung zum anfahren und anhalten einer offen-end- spinnmaschine
US4338777A (en) * 1979-05-11 1982-07-13 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method and apparatus for starting and stopping an open end spinning machine
US4584833A (en) * 1983-09-13 1986-04-29 Vyzkumny Ustav Bavlnarsky Apparatus for emergency interruption of fiber supply to a spinning unit of open-end spinning machines
CN106542377A (zh) * 2016-12-02 2017-03-29 广西剑麻集团山圩剑麻制品有限公司 具有断纱自停功能的倒纱机
CN106542377B (zh) * 2016-12-02 2019-11-05 广西剑麻集团山圩剑麻制品有限公司 具有断纱自停功能的倒纱机
CN115092765A (zh) * 2022-06-30 2022-09-23 凯德技术长沙股份有限公司 基于纱线断纱的自停控制装置及其控制方法
CN115092765B (zh) * 2022-06-30 2023-03-07 凯德技术长沙股份有限公司 基于纱线断纱的自停控制装置及其控制方法

Also Published As

Publication number Publication date
CH457215A (de) 1968-05-31
DE1289472B (de) 1969-02-13
FR1495032A (enrdf_load_stackoverflow) 1967-12-18
AT268944B (de) 1969-02-25
BE685384A (enrdf_load_stackoverflow) 1967-02-13
GB1092496A (en) 1967-11-29

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