US3863851A - Device for hooking a yarn on a rotating support - Google Patents

Device for hooking a yarn on a rotating support Download PDF

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Publication number
US3863851A
US3863851A US400564A US40056473A US3863851A US 3863851 A US3863851 A US 3863851A US 400564 A US400564 A US 400564A US 40056473 A US40056473 A US 40056473A US 3863851 A US3863851 A US 3863851A
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US
United States
Prior art keywords
yarn
hooking
elastic element
catch
rotatable
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Expired - Lifetime
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US400564A
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English (en)
Inventor
Rolland Sartori
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.)
Rhone Poulenc Textile SA
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Rhone Poulenc Textile SA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/20—Force systems, e.g. composition of forces
    • 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

  • hooking means may be provided that intercept and grasp the yarn, driving the yarn and causing the starting of the winding on the tube or spool. The hooking means then hold the yarn throughout the winding phase and the braking that occurs at the completion of the winding: they must then release the yarn at the moment at which the full spool is withdrawn.
  • a simple finger called a hooking catch is generally used at present.
  • This finger is rigidly fixed on a rotating part near one end of the winding support.
  • the catch is fixed on one of the two cheeks.
  • the catch Before the hooking, the catch, fixed on a turning part, describes a circular path.
  • the moving yarn e.g., blown by a pneumatic gun, describes a trajectory that passes near the path of the catch.
  • a movable element deflects the yarn onto a second trajectory so that the moving catch will intercept the yarn on the second trajectory.
  • it is difficult to visualize the position of the catch, hence the synchronizing of the passage of the yarn from the first to the second trajectory with the movement of the catch becomes very difficult.
  • the catch comes into contact with the yarn before the yarn has been precisely positioned on its second trajectory. A shock results, between the yarn and the end of the catch.
  • lt is still a further object of the present invention to provide a hooking device in which the hooking catch has no sharp points or angularities which could cause damage to the yarn.
  • FIG. 1 shows a front view of the mounting device of a textile yarn support with a yarn hooking device according to the invention
  • FIG. 2 is an end view of the device of FIG. 1,
  • FIG. 3 shows a hooking catch of the invention in detail, the mounting device for the yarn support being stopped, and
  • FIG. 4 shows the catch of FIG. 3, the mountingdevice of the yarn support being in rotation.
  • a device for hooking a textile yarn on a rotatable support comprising a hooking catch mounted in close proximity to an end of the support.
  • the hooking catch comprises a finger element which carries aa substantially spherical polished tip and an elastic element adjacent to the finger; the elastic element is one which deforms when subjected to centrifugal forces, and is adapted, during rotation of the support, to compress the yarn between itself and the finger element, and during deceleration of the support to regain its original shape and release the yarn.
  • the hooking catch is rigidly fixed on a rotatable part of the mounting device for the support on the side where the winding is to start on the support, designated as a spool.
  • the mounting device for example, includes two rotatable cheek parts that grip the spool by its ends, the hooking catch is fixed on one of the cheek parts.
  • the mounting device will typically also function directly or indirectly as the drive means for the rotatable support.
  • the finger element is preferably of cylindrical or fiattened cross-section and carries a tip that is substantially spherical.
  • the spherical tip is made in a simple and conventional manner, as by machining its end, which is referred to as a stem. The machining requires careful polishing of the stem to obtain a surface which is essentially free of snags or burrs since the yarn passes over the stern which functions as a yarn guide.
  • the spherical tip has a diameter of at least 2.5 mm. With such a tip, having all angularities and points removed, the yarn, depending upon its position with reference to the catch, is either engaged or rejected in its totality. There is thus no insertion of the'finger through the bundle of filaments constituting the yarn in the case of multifilament yarns which can result in weakened yarns and premature breakage.
  • the elastic element has an elongated configuration and may be, for example, a cylindrical rod or a tongue of rubber or other flexible material. It is fixed to the finger element at one of its ends; the other end may be fixed to the cheek part that bears the booking catch. With reference to the finger element, the elastic element is disposed radially to the inside, so that centrifugal force, causing deformation toward the outside, will force the elastic element against the finger element, thereby forming a pincers that captures the yarn.
  • the yarn is subsequently released during the deceleration and stopping of the spool, while with decreasing and final disappearance of the centrifugal force, the elastic element resumes its original form.
  • fixation for the elastic element is such that deformation of the elastic element is not prevented.
  • fixation is not rigid but is effected with play.
  • the materials which may be used for the elastic element are of the type including rubber or plastic material. But steel may also be used, in the form of a wire or a fine tongue with the required flexibility.
  • the mounting device for a yarn support shown in FIGS. 1 and 2 is the stirrup type comprising two circular, coaxial cheek parts with external gripping of spool 20 by its ends. Only one of these cheeks is shown at 10.
  • the cheek part is furnished with a hooking catch 12 according to the present invention, and the device is supplemented by a yarn deflector 14.
  • the hooking catch 12 illustrated in FIGS; 3 and 4 includes a finger l6, fixed by means of screws 18 on cheek near its outer periphery.
  • the axis of the finger is disposed substantially in a plane perpendicular to the axis of cheek 10.
  • the finger has a slightly curved configuration, to be able to adapt substantially to the curve of the periphery of the cheek, and it carries tip 22 in the form ofa sphere 3 mm in diameter, made by machining to a polished surface.
  • the elastic element has the form of a rubber rod 24 which, in the inoperative position, is disposed substantially along a chord of cheek 10. One end of the rod is seated, with play, in a hole 26 in the catch, the other end being fixed, likewise with play, in a hole 28 in the cheek 10.
  • the hooking operation is effected as follows.
  • Elastic rod 24 is deformed as in FIG. 4.
  • the deflector element 14 is moved in the direction of arrow F, which has the effect of causing yarn 30 to pass from xy to xy' which intersects the path of hooking catch 12.
  • Hooking catch 12 intercepts the yarn which slips between spherical end 22 of the finger and rod 24 and becomes seated in the nip 32 formed by finger l6 and rod 24.
  • rod 24 because of centrifugal force, is brought into contact with finger 16, the insertion of the yarn under the spherical end 22 between the finger l6 and rod 24 is possible because of the elasticity of rod 24 which offers only slight resistance to the yarn tension.
  • the yarn can then be cut downstream of hooking catch 12, the yarn being held positively by the hooking catch. Winding is then started. When the winding is finished, the spool is braked and stopped. During the deceleration phase, before stopping, the centrifugal force diminishes and therefore rod 24 tends to resume its original shape. On stopping, with the disappearance of centrifugal force, rod 24 has resumed its original form as shown-in FIG. 3, releasing the end of the yarn.
  • the invention is not limited to the above example. It is within the scope of the invention to modify the hooking catch without deviating from the principle of the present invention.
  • the hooking catch can be mounted on any type of engaging device for a rotatable support, e.g., mandrel, stirrup with gripping cheek acting from the inside, from the outside, etc.
  • the invention is applicable to the winding of simple, composite or twisted yarns, made of continuous and/or discontinuous fibers, prepared from chemical or natural fibers.
  • a device for hooking a moving yarn on rotatable support means comprising a rotatable mounting means, a hooking catch mounted on said mounting means in close proximity to an end .of the support means and responsive to centrifugal force to hold the yarn during rotation of the rotatable mounting means and release the yarn when the rotatable mounting means ceases to rotate, said hooking catch including a finger element and an elongated elastic element adjacent to the finger element held with play at each of its ends, said finger element and said elastic element forming a yarn receiving recess therebetween such elastic element deforming when subjected to a centrifugal force and resuming its original form when the centrifugal force dissipates, said elastic element being adapted to compress said yarn between itself and said finger element during rotation of said mounting means and to release the yarn during deceleration of said mounting means, said finger carrying a substantially spherical polished tip adapted to catch the totality of filament of a multifilament yarn.
  • a stirrup mount comprising two rotatable circular coaxial cheek parts with external gripping means adapted to grip the ends of said spool, wherein said hooking catch is mounted on one of said rotatable cheek parts and wherein one end of the elastic element is fixed, with play, in a hole in said hooking catch and the opposite end is fixed, with play, in a hole in said rotatable cheek part.

Landscapes

  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
US400564A 1972-09-25 1973-09-25 Device for hooking a yarn on a rotating support Expired - Lifetime US3863851A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7234461A FR2200836A5 (enrdf_load_stackoverflow) 1972-09-25 1972-09-25

Publications (1)

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US3863851A true US3863851A (en) 1975-02-04

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ID=9104932

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Application Number Title Priority Date Filing Date
US400564A Expired - Lifetime US3863851A (en) 1972-09-25 1973-09-25 Device for hooking a yarn on a rotating support

Country Status (6)

Country Link
US (1) US3863851A (enrdf_load_stackoverflow)
CH (1) CH570339A5 (enrdf_load_stackoverflow)
DE (1) DE2348168A1 (enrdf_load_stackoverflow)
FR (1) FR2200836A5 (enrdf_load_stackoverflow)
GB (1) GB1441019A (enrdf_load_stackoverflow)
IT (1) IT994484B (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081149A (en) * 1976-05-28 1978-03-28 Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft Mechanism for forming transfer tails on wound yarn packages
EP0051972A1 (en) * 1980-11-07 1982-05-19 Toray Industries, Inc. An apparatus for winding a plurality of yarns and a method for changing bobbins in the apparatus
US4817896A (en) * 1986-01-29 1989-04-04 Rieter Machine Works Ltd. Thread-catching device for winding machines
US5699975A (en) * 1996-03-14 1997-12-23 West Coast Chain Mfg. Company Extension member anchor
US6145775A (en) * 1997-11-14 2000-11-14 Barmag Ag Yarn winding apparatus and method
EP1129975A3 (de) * 2000-03-02 2002-12-18 B a r m a g AG Aufwickelvorrichtung
CN1762781B (zh) * 2004-10-19 2010-04-14 苏拉有限及两合公司 卷绕装置和用在卷绕装置上的夹紧盘
CN108455381A (zh) * 2018-03-15 2018-08-28 深圳市齐创美科技有限公司 一种基于离心块控制的快速保护式电线绞轮
CN108466871A (zh) * 2018-03-15 2018-08-31 深圳市齐创美科技有限公司 一种基于离心块控制的保护式电线绞轮

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE427647B (sv) * 1982-05-07 1983-04-25 Skaltek Ab Anordning vid en lindningsmaskin for indragning av elektrisk kabel, strengformat gods, wire eller liknande
JP6812749B2 (ja) * 2016-10-24 2021-01-13 住友電気工業株式会社 線条体の巻取装置および巻取方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2304712A (en) * 1937-10-28 1942-12-08 Firm Scharer Nussbaumer & Co Winding machine with auxiliary device for initiating the winding operation
US2706090A (en) * 1952-07-17 1955-04-12 Algemene Kunstzijde Unie Nv Apparatus for thread transfer
US2961177A (en) * 1958-10-21 1960-11-22 Western Electric Co Self-cleaning snagger plate
US2961175A (en) * 1958-10-21 1960-11-22 Western Electric Co Snagger for continuous wire take-up
US2969196A (en) * 1955-11-09 1961-01-24 Reiners Walter Coil starting device for yarn winding machines
US3186653A (en) * 1962-10-29 1965-06-01 Northern Electric Co Centrifugal self-cleaning snagger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2304712A (en) * 1937-10-28 1942-12-08 Firm Scharer Nussbaumer & Co Winding machine with auxiliary device for initiating the winding operation
US2706090A (en) * 1952-07-17 1955-04-12 Algemene Kunstzijde Unie Nv Apparatus for thread transfer
US2969196A (en) * 1955-11-09 1961-01-24 Reiners Walter Coil starting device for yarn winding machines
US2961177A (en) * 1958-10-21 1960-11-22 Western Electric Co Self-cleaning snagger plate
US2961175A (en) * 1958-10-21 1960-11-22 Western Electric Co Snagger for continuous wire take-up
US3186653A (en) * 1962-10-29 1965-06-01 Northern Electric Co Centrifugal self-cleaning snagger

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081149A (en) * 1976-05-28 1978-03-28 Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft Mechanism for forming transfer tails on wound yarn packages
EP0051972A1 (en) * 1980-11-07 1982-05-19 Toray Industries, Inc. An apparatus for winding a plurality of yarns and a method for changing bobbins in the apparatus
US4817896A (en) * 1986-01-29 1989-04-04 Rieter Machine Works Ltd. Thread-catching device for winding machines
US5699975A (en) * 1996-03-14 1997-12-23 West Coast Chain Mfg. Company Extension member anchor
US6145775A (en) * 1997-11-14 2000-11-14 Barmag Ag Yarn winding apparatus and method
EP1129975A3 (de) * 2000-03-02 2002-12-18 B a r m a g AG Aufwickelvorrichtung
CN1762781B (zh) * 2004-10-19 2010-04-14 苏拉有限及两合公司 卷绕装置和用在卷绕装置上的夹紧盘
CN108455381A (zh) * 2018-03-15 2018-08-28 深圳市齐创美科技有限公司 一种基于离心块控制的快速保护式电线绞轮
CN108466871A (zh) * 2018-03-15 2018-08-31 深圳市齐创美科技有限公司 一种基于离心块控制的保护式电线绞轮

Also Published As

Publication number Publication date
CH570339A5 (enrdf_load_stackoverflow) 1975-12-15
FR2200836A5 (enrdf_load_stackoverflow) 1974-04-19
GB1441019A (en) 1976-06-30
IT994484B (it) 1975-10-20
DE2348168A1 (de) 1974-03-28

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