US3346205A - Yarn guide mechanism for a winding location - Google Patents

Yarn guide mechanism for a winding location Download PDF

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Publication number
US3346205A
US3346205A US463732A US46373265A US3346205A US 3346205 A US3346205 A US 3346205A US 463732 A US463732 A US 463732A US 46373265 A US46373265 A US 46373265A US 3346205 A US3346205 A US 3346205A
Authority
US
United States
Prior art keywords
grooved drum
yarn
guide mechanism
yarn guide
location
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
US463732A
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English (en)
Inventor
Jenny Rudolf
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.)
Machinenfabrik Schweiter AG
Original Assignee
Machinenfabrik Schweiter 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 Machinenfabrik Schweiter AG filed Critical Machinenfabrik Schweiter AG
Application granted granted Critical
Publication of US3346205A publication Critical patent/US3346205A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65H54/46—Package drive drums
    • B65H54/50—Slotted or split drums
    • 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

  • ABSTRACT OF THE DISCLOSURE A yarn guide mechanism used in conjunction with a winding location incorporating a windup bobbin and a grooved drum cooperating with such windup bobbin, wherein the aforementioned yarn guide mechanism is of the type comprising means provided at both ends of the grooved drum for generating from both ends thereof toward its center air currents at least at the surface region of such grooved drum disposed between the run-on location of the yarn onto said grooved drum and said windup bobbin.
  • the present invention has reference to an improved construction of yarn guide mechanism or a winding location or station, particularly for automatic winders.
  • the present invention has for one of its primary objects to provide an improved yarn guide mechanism which is capable of properly centering the broken yarn, specifically the yarn end at the windup side.
  • a further important object of the present invention has reference to an improved y-arn guide mechanism which positions the broken yarn end at a winding station in a location where it can 'be effectively seized by a yarn catcher or finder so that it can be subjected to a knotting opera tion.
  • Another considerable object of this invention is the provision of an improved yarn guide mechanism which employs air currents for locating the end of a broken yarn at the windup side of a winding location so that it can be easily grasped for knotting.
  • the inventive yarn guide mechanism is characterized by the features that means are provided at both ends of a grooved drum for generating an air current from both such ends towards its middle region at least at the 3,346,205 Patented Oct. 10, 1967 surface of the grooved drum between the run-on or windup location of the yarn at said drum and the windup bobbin.
  • an intensive air current is directed from both ends of the grooved drum towards its center which grasps the freely fluttering yarn end appearing upon yarn rupture and applies such to the central region of the windup bobbin in the operating zone of the automatic yarn finder or gripper.
  • These intensive air currents are preferably generated by the ends of the grooved drum constructed as blower or ventilator means, yet could also however be generated by external blower means.
  • FIGURE 1 is a perspective view of a winding station or location of a winder provided with a first embodiment of inventive yarn guide mechanism
  • FIGURE 2 is a perspective view of a second embodiment of yarn guide mechanism
  • FIGURE 3 is a crosssectional view through the circle of blower or ventilator holes of the embodiment of yarnguide mechanism of FIGURE 1;
  • FIGURE 4 is a fragmentary longitudinal sectional view of the embodiment of inventive yarn guide mechanism of FIGURES 1 and 3 and employing a ho0d-shaped cover plate.
  • reference character 1 denotes a grooved drum provided with grooves 1a of conventional design. Grooved drum 1 is rotated by any suitable drive mechanism for instance in the direction of arrow A (FIGURE 3).
  • Reference character 2 schematically depicts the cutting mechanism of the yarn cleaner and the yarn rupture location.
  • each of the ends 119 of the grooved drum 1 are, for instance, constructed as a ventilator or blower impeller incorporating radial bores or apertures 3 the lengthwise axes of each of which, as best shown in FIGURE 3, form a trailing angle a with respect to the direction of rotation A and measured wit-h respect to a radius passing through the inner end So of the corresponding bore 3.
  • these bores 3 extend rear- Wardly at the angle a from the inside towards the outside. Additionally, such bores 3 are inclined from the inside towards the outside and from the respective ends 112 of the grooved drum 1 towards its center through the angle 1) (FIGURE 4).
  • These inclined or oblique angled bores 3 thus form ventilator or blower means which, with appropriate rotation of the grooved drum 1 in the direction of the arrow A, generate intensive air currents B towards the center of the grooved drum 1 and at least between the surface region thereof 1c which defines the run-on location for the yarn F and the cooperating windup bobbin or spool '5.
  • the freely fluttering yarn end 4 resulting from rupture of the yarn F is deposited in the central region upon the windup bobbin 5.
  • FIGURE 2 there is depicted a modified form of yarn guide mechanism wherein for convenience in description the same reference characters have been employed for the same or analogous elements, so that generally only dififerences in physical structure between these embodiments will be considered.
  • the ventilator or blower impeller means at the ends 1b of the grooved drum 1 are formed by suitable vanes or blades 6. These vanes or blades 6 are arranged at an inclination in a manner analogous to the previously considered bores 3 of FIGURE 1 in order to generate intensive air currents B from the ends 1b of the grooved drum 1 towards itscenter.
  • the varies or blades 6 in radial direction form from the inside towards the outside an angle a with respect to the associated radius, which angle trails with regard to the direction of rotation A.
  • the vanes 6 form an angle 0 with respect to the associated surface line, specifically from the ends of the grooved drum 1 towards its center and also in trailing sense with respect to the direction of rotation A, whereby there is ensured for the formation of air currents B flowing towards the center of such grooved drum 1.
  • a housing specifically a hood-shaped guide or cover plate 7.
  • a similar housing or guide plate can be arranged at the opposite end of each grooved drum 1.
  • Each such guide plate 7 incorporates a central inlet opening 7a and an outlet opening 712 directed towards the outlet opening of the opposite confronting guide plate 7. It will be understood that such guide plates 7 can be connected to stationary supports or also to the grooved drum 1 itself.
  • said means for generating air currents includes blower impeller means provided at each end of said grooved drum and rigidly connected for rotation therewith.
  • each blower impeller means is formed of one piece with said grooved drum.

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US463732A 1964-06-22 1965-06-14 Yarn guide mechanism for a winding location Expired - Lifetime US3346205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH812364A CH412669A (de) 1964-06-22 1964-06-22 Fadenleitvorrichtung an einer Spulstelle

Publications (1)

Publication Number Publication Date
US3346205A true US3346205A (en) 1967-10-10

Family

ID=4335526

Family Applications (1)

Application Number Title Priority Date Filing Date
US463732A Expired - Lifetime US3346205A (en) 1964-06-22 1965-06-14 Yarn guide mechanism for a winding location

Country Status (5)

Country Link
US (1) US3346205A (de)
AT (1) AT260074B (de)
CH (1) CH412669A (de)
DE (1) DE1560448A1 (de)
GB (1) GB1044604A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090676A (en) * 1974-03-25 1978-05-23 Kamitsu Seisakusho, Ltd. Yarn or thread guiding device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1241064A (fr) * 1958-11-25 1960-09-09 Bobinoir à guide-fil rotatif
US3136495A (en) * 1961-07-15 1964-06-09 Reiners Walter Yarn-guiding device for coil-winding machines
US3276703A (en) * 1963-07-30 1966-10-04 Schlafhorst & Co W Yarn package winding machine with rotating yarn guide
US3279713A (en) * 1963-08-03 1966-10-18 Reiners Walter Device for winding yarn packages

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1241064A (fr) * 1958-11-25 1960-09-09 Bobinoir à guide-fil rotatif
US3136495A (en) * 1961-07-15 1964-06-09 Reiners Walter Yarn-guiding device for coil-winding machines
US3276703A (en) * 1963-07-30 1966-10-04 Schlafhorst & Co W Yarn package winding machine with rotating yarn guide
US3279713A (en) * 1963-08-03 1966-10-18 Reiners Walter Device for winding yarn packages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090676A (en) * 1974-03-25 1978-05-23 Kamitsu Seisakusho, Ltd. Yarn or thread guiding device

Also Published As

Publication number Publication date
DE1560448A1 (de) 1970-10-15
CH412669A (de) 1966-04-30
GB1044604A (en) 1966-10-05
AT260074B (de) 1968-02-12

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