US3813869A - Twist transmission device for a ring spinning apparatus - Google Patents

Twist transmission device for a ring spinning apparatus Download PDF

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Publication number
US3813869A
US3813869A US00391621A US39162173A US3813869A US 3813869 A US3813869 A US 3813869A US 00391621 A US00391621 A US 00391621A US 39162173 A US39162173 A US 39162173A US 3813869 A US3813869 A US 3813869A
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United States
Prior art keywords
follower
yarn
permanent magnet
ring
cap
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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
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US00391621A
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English (en)
Inventor
I Misaki
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Nitto Shoji Ltd
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Nitto Shoji Ltd
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Publication date
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    • 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
    • D01H1/42—Guards or protectors for yarns or threads, e.g. separator plates, anti-ballooning devices
    • D01H1/425—Anti-ballooning rings

Definitions

  • ABSTRACT ,Twist transmission device for carrying out migration of twists to the upstream yarn between the yarn guide and the nip point of the front rollers.
  • the device comthe follower are provided with a permanent magnet respectively, and each comprises a plurality of North 7 and South pole magnetized portions alternately ar- 1 ranged.
  • the magnet of the follower is provided with a yarn guide. And the yarn guide is forced to rotate in synchronous condition with the rotation of the spindle by magnetic attraction between the permanent magnets of the cap and follower.
  • the present invention relates to a twist transmission device for a ring spinning unit, and more particularly relates to a device for transmitting twists of yarn to a nip point of a pair of front rollers of a ring spinning unit.
  • the above-mentioned transmission of twist is hereinafter referred to as migration of twist beyond the snail wire.
  • a tension is imparted to the yarn in a zone between the nip point of the front rollers and the bobbin. This tension is created by running the traveller along the ring and forming a ballooning of the yarn about the bobbin in a position between the snail wire and the traveller. It has been also well known that the above-mentioned yarn tension varies duringthe spinning operation. This variation of yarn tension is due to the changes of package size, position of ring according to the lifting motion of a ring rail mounting rings, driving speed of the spindle, etc.
  • the above-mentioned yarn breakage occurs most in a zone between the snail wire and the nip point of the front rollers, because most of the desired twists are imparted to the yarn in this a zone.
  • the above-mentioned zone is hereinafter referred to as an upstream yarn portion.
  • the principal object of the present invention is to solve the above-mentioned problem observed in the migration of twist beyond the snail wire, in other words, to provide a practical device for transmitting twist to a position adjacent to the nip point of the front rollers so that the yarn breakage during'the spinning operation can be prevented and consequently the driving speed of the spindle can be elevated.
  • a yarn guide having a particular construction is utilized instead of the conventionalsnail wire.
  • This yarn guide comprises a trumpet shaped guide member and a permanent magnet composed of a plurality of North and South pole magnetized portions which are arranged alternately outside the guide member in a symmetrical condition, and a cylindrical case rigidly holding the above-mentioned permanent magnet, a horizontal ball bearing rotatably holding the cylindrical case and a member for supporting the horizontal ball bearing at an adjacent position above the tip of the spindle head.
  • the guide member is preferably secured to the cylindrical case.
  • a cap provided with a permanent magnet, composed of a plurality of magnetized portions, is mounted on the spindle or bobbin in such a way that the distance between the cap and the permanent magnet attached to the yarnv guide is so close that a magnetic-flux is created therethrough, and the permanent magnet of the yarn guide is forced to follow the rotation of the cap so that the guide member is rotated at a speed similar to the cap. Consequently a larger number of twists then the predetermined yarn twist is imparted to the upstream yarn portion. Becuase of this imparting of twists to the upstream yarn, the yarn is strengthened in this zone.
  • FIG. 1 is a schematic side view of a spinning unit utilizing the, device according to the present invention
  • FIG. 2 is' an enlarged cross sectional view, taken along a longitudinal axis of the device shown in FIG. 1;
  • FIG. 3 shown in the fol- FIG. 3 is a cross sectional view of the device, taken I along the line III III in FIG. 2;
  • FIG. 4 is a cross sectional vieWQtaken along the line IV IV in FIG. 2;
  • FIG. 5 is a longitudinal cross sectional view of another embodiment of the cap according to the present invention.
  • FIG. dis a longitudinal cross sectional view of another embodiment of the follower according to the present invention.
  • FIG. 7 is a cross sectional view of the follower taken along the line VI VI in FIG. 5, and;
  • FIGS. 8A, 8B, 8C are explanatory diagrams showing the function of the device shown in FIG. 6;
  • the twist transmission device of the ring spinning apparatus comprises a cap member 1 rigidly mounted on a tip of a spindle 2, and a follower 3 rotatably held by a supporting bracket 5 at a position adjacently above the cap member 1.
  • the cap member 1 comprises a cylindrical base element 6 rigidly secured to the tip portion of the spindle 2 by a horizontal pin 7 which passes therethrough, a hollow cylindrical head 8 mounted on the cylindrical base element 6 by thread engagement, and a permanent magnet 9 disposed inside the hollow cylindrical head 8.
  • the outside diameters of the cylindrical base element 6 and the hollow cylindrical head 8 are identical and they coincide with the diameter of the cylindrical hollow inside wall of the tip portion of a bobbin 111 so as to stably support the tip portion of the bobbin 10.
  • the cylindrical base element 6 is provided with a helical thread 6a formed at the top outside .surface thereof while the hollow cylindrical head 8 is provided with a helical thread 8a formed at an inside wall of the skirt portion thereof and these helical threads engage each other.
  • the hollow cylindrical head 8 is further provided with an inside cylindrical wall 8b which defines a doughnut shaped area therein.
  • the above-mentioned permanent magnet 9 is inserted into this doughnut shaped area as shown in FIG. 2.
  • To hold the permanent magnet 9 at a predetermined position a ring shaped rib 6b is formed at the top surface of the cylindrical element6 and a yoke 11 is inserted between the magnet 9 and the ring shaped rib 6b.
  • magnet 9 is magnetized so as to form a plurality of North and South pole magnetized portions radially and alternatel arranged.
  • Thefollbwer 3 comprises: a ring shapedcasing 12, provided with a cylindrical wall portion 12a and a central aperture 1217; an outside casing 13 provided with a cylindrical top portion 13a, a cylindrical bottom portion 13! and an intermediate portion 130 which connects the cylindrical top portion 13a to the cylindrical bottom portion 13b;v a trumpet shaped inner casing 14, provided with a ring shaped bottom flange 1 1a; a ball bearing 15 rigidly held.
  • a permanent magnet 16 rigidly held in a doughnut shaped area formed between the cylindrical bottom portion 13b and the inner casing 14 when the above-mentioned elements of the follower 3 are assembled and a filling substance such as a plastic resin is filled in a space formed between the intermediate portion l3c of the outside casing 13 and the permanent magnet 16 and the inner casing 14; a conical cylindrical member 17 provided with a top flange 17a which is secured into the top cylindrical portion 130 of the outside casing 13; a plastic guide member 18 rigidly inserted into the central aperture of the conical cylindrical member 17, and; a ring shaped yoke 19 disposed upon the permanent magnet 16.
  • the ring shaped casing 12 is rigidly held by 'the horizontal bracket 5 as shown in FIG. 2.
  • the outside casing 13 is firstly assembled with an inner ring 15a of the ball bearing 15 in such a way that the top cylindrical portion 13a of the outside casing 13 is rigidly held by the inner ring 15a, next the permanent magnet 16, the yoke 19, the plastic filling 20 and the trumpet shaped inner casing 14 are assembled.
  • the edge of the flange 14a is rigidly held by the bottomedge portion of the cylindrical bottom portion 13b of the outside casing 13.
  • the conical cylindrical member 17 is rigidly inserted into a space between the top cylindrical portion 13a of the outside casing 13 and the top portion of the trumpet shaped inner casing 14.
  • the permanent magnet 16 and the plastic guide member 18 are capable of turning with the inner ring 150 of the ball bearing 15, while the outer ring 15b is rigidly held by the cylindrical wall portion 12a of the casing 12.
  • the permanent magnet 16 is magnetized so as to form a plurality of North pole and South pole magnetized portions radially and alternately arranged as shown jn IiIGS. 3 and 4.
  • Assen bTy of the ranswe'rsja nan-magnate matefiai' such as stainless steel is utilized for making the elements 12, 13, 14, 17.
  • This type of non-magnetic material is also utilized for making the elements 6, 7 and 8 in the cap 1.
  • a yarn 21 delivered from the nip point 22 of the front rollers 23, 24 is carried to the guide member 18,-and then carried to a traveller 32 running along a ring 33. If the distance between the permanent magnet 9, which rotates with the spindle 2 at a very high speed, and the permanent magnet 16 is sufficiently small to create magnetic flux passing through a magnetic segment of the permanent magnet 9 and a magnetic segment of the pennanent magnet 16, the permanent magnet 16 is forced to follow the rotation of the permanent magnet 9 of the cap 1. Consequently, in such a case the permanent magnet 16 is forced to rotate about the central axis of the ball bearing at a speed similar to the spindle 2.
  • twist is imparted to the yarn between the yarn guide 18 and the nip point 22 of the front rollers 23, 24.
  • the conventional ring twister about percent of the twists imparted to the yarn in a zone between the snail wire and the traveller are mig rated to t hfiarrfin the zone between the snail wire and the nip point of the front rollers I-Iowever, according to the present invention, theyam guide is rotated at a speed similar to the spindle, and an excess twist is imparted to the yarn between the yarn guide 18 and the nip point 22 of the front rollers 23, 24.
  • the yarn guide 18 is provided with a smooth surface for guiding the yarn 21.
  • the carrier 1 is rigidly mounted to the tip portion of the spindle 2.
  • the cap it is also useful to mount the cap to the tip portion of the bobbin as shown in FIG. 5.
  • the permanent magnet 9 is covered with an upper casing 25 and a lower casing 26, an insert 27 is rigidly inserted into the tip of the bobbin l0, and the assembly of the casings 25, 26 with the permanent magnet 9 is also rigidly mounted on a tip portion of the insert 27.
  • the permanent magnets'9 and 16 are composed of four poles, respectively, that is, each permanent magnet is provided with two North pole portionsand two Southpole portions arranged alternately. The relative positions of these portions are shown in FIGS. 8A, 8B and 8C.
  • FIGS. 8A, 8B and 8C the North pole portions of the permanent magnet 16 face the South pole portions of the permanent magnet 9, while the South pole portions of the magnet 16 face the j North pole portions of the magnet 9.
  • the rotation of the permanent magnet 16 synchronizes to the rotation of the permanent magnet 9, that is, the spindle 2.
  • the angular position of the permanent magnet 16 relative to the permanent magnet 9 is changed as shown in FIG. 8B, the high speed rotation 'of the spindle 2 cannot be followed by the follower 3 because of a certain braking action, and the abovementioned relative position .is finally changed to the condition shown in FIG. 8C.
  • the magnetic flux passes through two adjacent North and South pole portions of the permanent magnet 9, and the permanent magnet 16 respectively .50 that these two permanent magnets 9 and 16 repel each other and the follower 3 is stopped.
  • a magnetic metallic substance is disposed on either one of the permanent magnets 9 or 16, even in the condition shown in FIG.
  • FIG S: 6, 7 are designedon the basis of the above-mentioned idea.
  • An outside ring 31 is concentrically disposed outside the outside casing 13 at a level which corresponds to the upper portion of the permanent magnet 16.
  • a plurality of magnetic portions 30 are rigidly inserted .into the space between the outside ring 31 and the outside casing 13 as shown in these drawings. These magnetic portions work to weaken the repelling force in the condition shown in FIG. 8C.
  • FIGS. 6 and 7 the elements having the same function as the elements shown in FIG. 2 are designated by identical reference numerals, and any illustration thereof is omitted.
  • a plurality of magnetic portions-30 are utilized. However, it is also applicable to utilize a ring shaped magnetic por tion instead of the above-mentioned separated magnetic portion 30.
  • the twist transmission device according to the present invention is a very useful device for decreasing yarn break in the ring twist apparatus. Therefore, it will be understood that, in a spinning process wherein yarn is frequently broken, the present twist transmission device is very useful to decrease or eliminate frequent yarn breakage. Beside reducing yarn breakage, the yarn quality can be remarkably'improved. For example, in the worsted spinning process for producing fine countyam, the remarkable decrease of yarn breakage introduces a remarkable decrease in the number of knotting portions so that yarn of high quality can be produced. As mentioned above, the present twist transmission device for the ring twisting assembly is a very unique and useful device in the spinning mill. i
  • a bracket for'supporting said yarn guide a device for transmitting twists to an upstream yarn portion beyond said yarn guide, comprising a cap rigidly mounted on a tip portion of said spindle, a follower rotatably supported by said bracket at a position adja cently above said cap in a condition having a common longitudinal axial line with said cap, said cap provided with a permanent magnet composed of plural magnetized portions of North or South polarity radially arranged around said axial line in alternate disposition;
  • a twist transmission device according to claim 1, further comprising at least onemagnetic material disposed adjacent to said follower at symmetric radial positions outside said second permanent magnet.
  • a twist transmission device according to claim 1, further comprising at least one magnetic material disposed at a position adjacent to said second permanent magnet of said follower.
  • V l V Niki

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US00391621A 1972-08-30 1973-08-27 Twist transmission device for a ring spinning apparatus Expired - Lifetime US3813869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8816072A JPS5319049B2 (enrdf_load_stackoverflow) 1972-08-30 1972-08-30

Publications (1)

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US3813869A true US3813869A (en) 1974-06-04

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US00391621A Expired - Lifetime US3813869A (en) 1972-08-30 1973-08-27 Twist transmission device for a ring spinning apparatus

Country Status (7)

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US (1) US3813869A (enrdf_load_stackoverflow)
JP (1) JPS5319049B2 (enrdf_load_stackoverflow)
CH (1) CH562893A5 (enrdf_load_stackoverflow)
DE (2) DE2343776A1 (enrdf_load_stackoverflow)
FR (1) FR2198009B1 (enrdf_load_stackoverflow)
GB (1) GB1405698A (enrdf_load_stackoverflow)
IT (1) IT993809B (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372108A (en) * 1979-09-07 1983-02-08 A. Michael S.A. Rotary yarn guide for textile machines
DE4015062A1 (de) * 1990-05-10 1991-11-14 Zinser Textilmaschinen Gmbh Zwirnspinnverfahren
DE10306475A1 (de) * 2003-02-14 2004-08-26 Deutsche Institute für Textil- und Faserforschung Fadenführervorrichtung für Ringspindel
CN101646815B (zh) * 2007-02-28 2011-06-22 邓肯多夫德国纺织及纤维研究所 环锭纺纱机上短纤维纺纱的方法和装置
CN109594165A (zh) * 2019-01-29 2019-04-09 常州市郑陆特种纺机专件有限公司 牵伸型凸轮旋转式无捻纱锭子
EP3819411A1 (de) * 2019-11-11 2021-05-12 Saurer Spinning Solutions GmbH & Co. KG Ringspinnmaschine sowie verfahren zum betreiben einer spinnstelle einer spinnmaschine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375390B (de) * 1973-05-23 1984-07-25 Henkel Kgaa Verfahren zum waschen bzw. bleichen von textilien sowie mittel dazu
AT330930B (de) * 1973-04-13 1976-07-26 Henkel & Cie Gmbh Verfahren zur herstellung von festen, schuttfahigen wasch- oder reinigungsmitteln mit einem gehalt an calcium bindenden substanzen
JPS5912773B2 (ja) * 1974-07-09 1984-03-26 旭化成株式会社 締束有撚紡績糸及び製造方法
JPS5324444A (en) * 1976-08-20 1978-03-07 Fukushima Ltd Method of spinning long fiber
FR2482632A1 (fr) * 1980-05-14 1981-11-20 Michel Sa A Guide fil pour machine a filer
DE3021632A1 (de) * 1980-06-09 1981-12-24 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Spinnmaschine, vorzugsweise ringspinnmaschine
DE4243479A1 (de) * 1992-12-22 1994-06-23 Akzo Nv Fadenführeröse, Fadenführereinheit und Vorrichtung zum Zwirnen von Korden

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015931A (en) * 1960-09-14 1962-01-09 Davis & Furber Combined bobbin and flyer assembly
US3107479A (en) * 1962-08-20 1963-10-22 Davis & Furber Tension regulator for spinning frame
US3681909A (en) * 1970-07-28 1972-08-08 Vnii Leakogoi Textilnogo Mash Spindle headpiece for thread spinning and twisting apparatus
US3727394A (en) * 1969-12-04 1973-04-17 Hamel Gmbh Apparatus for preventing the curling and looping of the yarn in a traveler-ring twisting machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB879038A (en) * 1958-11-27 1961-10-04 Tmm Research Ltd Improvements in yarn-guiding means in textile ring spinning machines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015931A (en) * 1960-09-14 1962-01-09 Davis & Furber Combined bobbin and flyer assembly
US3107479A (en) * 1962-08-20 1963-10-22 Davis & Furber Tension regulator for spinning frame
US3727394A (en) * 1969-12-04 1973-04-17 Hamel Gmbh Apparatus for preventing the curling and looping of the yarn in a traveler-ring twisting machine
US3681909A (en) * 1970-07-28 1972-08-08 Vnii Leakogoi Textilnogo Mash Spindle headpiece for thread spinning and twisting apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372108A (en) * 1979-09-07 1983-02-08 A. Michael S.A. Rotary yarn guide for textile machines
DE4015062A1 (de) * 1990-05-10 1991-11-14 Zinser Textilmaschinen Gmbh Zwirnspinnverfahren
DE10306475A1 (de) * 2003-02-14 2004-08-26 Deutsche Institute für Textil- und Faserforschung Fadenführervorrichtung für Ringspindel
CN101646815B (zh) * 2007-02-28 2011-06-22 邓肯多夫德国纺织及纤维研究所 环锭纺纱机上短纤维纺纱的方法和装置
US8042323B2 (en) 2007-02-28 2011-10-25 Deutsche Institut Fur Textil-Und Faserforschung Denkendorf Method and apparatus for spinning staple fibres on ring-spinning machines
CN109594165A (zh) * 2019-01-29 2019-04-09 常州市郑陆特种纺机专件有限公司 牵伸型凸轮旋转式无捻纱锭子
CN109594165B (zh) * 2019-01-29 2023-09-12 常州市郑陆特种纺机专件有限公司 牵伸型凸轮旋转式无捻纱锭子
EP3819411A1 (de) * 2019-11-11 2021-05-12 Saurer Spinning Solutions GmbH & Co. KG Ringspinnmaschine sowie verfahren zum betreiben einer spinnstelle einer spinnmaschine

Also Published As

Publication number Publication date
JPS5319049B2 (enrdf_load_stackoverflow) 1978-06-19
GB1405698A (en) 1975-09-10
DE7331545U (de) 1977-07-07
CH562893A5 (enrdf_load_stackoverflow) 1975-06-13
DE2343776A1 (de) 1974-03-14
JPS4941640A (enrdf_load_stackoverflow) 1974-04-19
FR2198009A1 (enrdf_load_stackoverflow) 1974-03-29
FR2198009B1 (enrdf_load_stackoverflow) 1976-06-18
IT993809B (it) 1975-09-30

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