US3055602A - Yarn guide with delayed yarn release for winding machines - Google Patents

Yarn guide with delayed yarn release for winding machines Download PDF

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Publication number
US3055602A
US3055602A US30310A US3031060A US3055602A US 3055602 A US3055602 A US 3055602A US 30310 A US30310 A US 30310A US 3031060 A US3031060 A US 3031060A US 3055602 A US3055602 A US 3055602A
Authority
US
United States
Prior art keywords
yarn
package
winding
guide
drum
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
US30310A
Other languages
English (en)
Inventor
Carlton A Steele
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.)
Leesona Corp
Original Assignee
Leesona Corp
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
Priority to NL120750D priority Critical patent/NL120750C/xx
Priority to NL264951D priority patent/NL264951A/xx
Application filed by Leesona Corp filed Critical Leesona Corp
Priority to US30310A priority patent/US3055602A/en
Priority to BE603325A priority patent/BE603325A/fr
Priority to DEL39005A priority patent/DE1275425B/de
Priority to CH592561A priority patent/CH391540A/de
Priority to GB18118/61A priority patent/GB934537A/en
Priority to FR862332A priority patent/FR1293734A/fr
Application granted granted Critical
Publication of US3055602A publication Critical patent/US3055602A/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
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/14—Pulleys, rollers, or rotary bars
    • 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

  • This invention relates to yarn guides for textile winding machines and is concerned more specifically with a yarn guide adapted to temporarily engage a moving strand of yarn and, after passage of a predetermined interval, to release the strand. It may, for example, find application to a winding machine having a constantly traverse means and a package which must achieve normal rotating speed from rest position, the guide of the invention directing the yarn to the package until normal speed has been reached and then releasing the yarn to the traverse means.
  • the machine of this patent consists of a winding section including a winding mandrel mounted for controlled movement between a winding position, a braking position, and a reverse rotation position and a driving drum for the winding mandrel which is provided with an endless groove to traverse the yarn being wound upon the mandrel; an end-finding and re-uniting section, operable in the event of thread breakage, including a knotter and separate means for finding the respective free ends of the broken yarn and for conveying them to the knotter to be joined together; a preliminary yarn servicing section including means for detecting, tensioning and cleaning the yarn supplied to the mandrel; and an enclosed control section for superintending the various other sections and controlling the functioning thereof.
  • the yarn knotter was supported on a part of the machine frame at a site slightly forwardly and adjacent to one end of the winding mandrel and the driving drum therefor.
  • the machine upon the thread breakage during the winding operation, the machine was equipped with means for locating both of the free ends of the broken yarn and for delivering these ends to the knotter, which, after re-uniting the ends, released the yarn to the traversing groove of the driving drum, whereby winding could proceed as before.
  • the winding mandrel was moved first to braking position to halt its forward rotation and then to reverse rotation position at which the mandrel was rotated backwardly to allow the delivery end of the broken thread to be extricated from the wound convolutions of the package on the mandrel, engaged by a suitably designed device and delivered to the knotter.
  • the winding mandrel was moved to braking position to halt reverse rotation and then to winding position to reinitiate normal advance of the thread onto the package. All the while these several operations were being performed, the rotation of the grooved driving roll proceeded at full speed with the result that when the thread was released by the knotter, it was immediately engaged by the groove of the roll and traversed back and forth onto the package at the same rate as for normal winding.
  • the timing of the release of the yarn from the knotter substantially coincided with the movement of the winding mandrel to normal winding position, at which stage the winding mandrel had essentially zero speed of rotation and an appreciable interval necessarily had to pass before the mandrel had regained normal operating speed by virtue of frictional contact with the peripheral surface of the driving drum.
  • the yarn was being traversed at the regular rate but was being advanced, at least at the beginning, at a much reduced rate. Consequently, instead of being wound in the usual convolutions upon the package, the yarn was merely zig-zagged in closely spaced loops, i.e., laid in a compressed sinuous pattern, on the package periphery with the period of the loops growing longer and longer until the package had finally achieved normal take-up speed to lay down the convolutions in the normal pattern.
  • an object of the present invention to provide a simple device which is adapted to receive the yarn from the knotter after re-union of the broken ends thereof and temporarily supplant the grooved driving roll as the guiding means for the yarn until the package has regained normal speed of rotation.
  • Another object of the present invention is a delayed action yarn guide upon which the yarn is deposited by the knotter of an automatic winding machine, said guide being adapted to retain the yarn thereon until the passage of -a suitable interval of time to allow the package being wound to achieve normal speed of rotation and then discharge the yarn onto the periphery of a traverse roll for delivery to the normally rotating package.
  • a further object of the invention is an elongated tubular guide having a helical groove on the periphery thereof and supported at one end from the frame of the winding machine for free rotation with respect thereto, the lead angle of said groove being inclined forwardly and outwardly toward the supported end, the axis of rotation of the tubular member extending in spaced parallel relationship to the axis of the traverse roll of the machine to maintain the path of the yarn passing over the guide out of the endless groove of the traverse roll, the opposite end of the tubular member terminating within the longitudinal confines of the traverse roll, whereby yarn deposited on the roller between its ends will engage the peripheral helical groove and cause the tubular member to rotate as the yarn advances, rotation of the member resulting in the yarn being displaced axially of the member away from the supported end and finally dropping off the opposite end onto the traverse roll.
  • An additional object of the invention is a guide adapted to temporarily maintain a moving strand in a position displaced from the normal path thereof, which guide is in the form of an elongated tube, having a helically grooved periphery, mounted for free rotation with its axis in spaced apart, substantially transverse relationship to the normal path of one strand, one end of the tube being essentially unconstrained to permit the strand to move 01f that end and return to its normal path, the direction of the lead angle of the groove relative to the direction of travel of the strand being away from the unconstrained end, whereby passage of the strand over the member causes the member to rotate, the groove shifting the yarn axially toward the unconstrained end for ultimate discharge from the end.
  • FIG. 1 is a view in front elevation of the guide of the present invention in operative association with a winding mandrel, a grooved package driving and yarn traverse roll for the mandrel, and a yarn knotter;
  • FIG. 2 is a right end view of the arrangement of FIG. 1.
  • one present guide has utility whenever a moving strand is intended to be temporarily maintained in a position displaced with respect to its normal path and, after an interval of time, permitted to return to its normal path.
  • numeral designates the delivery package being Wound upon a conical yarn holder 12 supported on a winding mandrel 14.
  • Mandrel 14 is mounted for rotation upon a shaft 16 which is connected to the remainder of the winding section machine (not shown) in such a way as to permit the package to grow in size as the yarn is wound thereupon.
  • the machine is set up for the winding of a conical package or cop but it will be appreciated that other shapes and types of packages could be wound as well by replacing the conical mandrel and yarn holder with other mandrels and holders appropriate to the formation of the particular package desired.
  • Package 10, holder 12 and mandrel 14 are adapted to be rotated by frictional contact of the package surface with the periphery of an elongated cylindrical driving drum or roll 18 disposed upon a shaft 24) for rotation therewith.
  • shaft 20 is subject to constant rotation, the means by which the shaft is driven being omitted here.
  • Drum 18 is provided on its periphery with an endless groove 22 which is adapted to engage the yarn being delivered to package 10 and traverse that yarn back and forth lengthwise of the package, the axis of drum being disposed, for that reason, generally at right angles to the path of the yarn to package 10.
  • bracket 24 Located adjacent the left end (FIG. 1) of package 10 and drum 18 is a vertically arranged bracket 24 forming a part of the rigid frame for the machine, only the upper end of that bracket being visible in the drawings.
  • a yarn knotter 26 comprising a box-like housing containing the operative mechanism of the knotter and an arcuate bill 28 projecting from the side of housing 26 proximate the package and drive roll.
  • the major portion of the vertical dimension of housing 26 lies above the axis of drum 18, and bill 28 projects from a point adjacent the upper end of the housing downwardly and inwardly generally in the direction of the midpoint of drum 18 but terminates somewhat above the level of the uppermost point of the drum periphery.
  • a generally V-shaped support member 30, preferably formed of heavy wire, or the like, is fixed at its ends to frame bracket 24 which is provided at spaced vertical points with suitable apertures to receive such ends, the marginal portions of the bracket being clamped between two opposed nuts 30, 36' in threadwise engagement with threads formed on each of the ends of the member.
  • the upper leg 30a of member 39 extends inwardly from bracket 24 in spaced, parallel relationship to the axis of drum '18 at a level spaced vertically above the drum axis and the lower leg 39b thereof extends inwardly and upwardly from the point of connection to bracket 24 to its junction with upper leg 30a at the inner end.
  • member 30 stretches over at least a portion, preferably a major portion, of the length of drum 18 and beyond the inner termination of bill 28.
  • Journaled for rotation on the horizontal upper leg 36a is an elongated tubular member 32 formed, for example, of a plastic, such as nylon, and provided on its periphery with a narrow helical groove 34.
  • tubular member 32 is recessed, as at 36, to receive and conceal stop washers 38, one for each end, which are fixed to horizontal leg 3011 at corresponding points along its length to restrain member 32 against axial movement.
  • stop washers 38 one for each end, which are fixed to horizontal leg 3011 at corresponding points along its length to restrain member 32 against axial movement.
  • free rotation of tubular member 32 with respect to leg 30a is assured by the interposition of suitable bearings between member 32, adjacent both ends and the leg. Bearings of either the sleeve or ball bearing variety are suitable.
  • member 32 with its helically grooved periphery is to receive the re-united thread as it descends from the upper end of knotter 26 via bill 28, the thread finding its way into a portion of groove 34 and causing the member to rotate by virtue of frictional engagement of the thread with the groove sidewalls, such rotation, due to the inclination of the groove, gradually advancing the thread along the length of the member until it passes off the inner end thereof and descends onto the periphery of drum 18 to be engaged by groove 22 and traversed onto package 10.
  • the leading angle of helical groove 34 must be such as to advance the thread inwardly toward the free end of member 32, i.e., to the right of FIG. 1.
  • groove 34 must be right hand in character, which is to say, that the lead angle of groove 34 extends from right to left in the direction of travel of the yarn.
  • the lead angle of the groove must always be away from, with respect to the direction of yarn travel, the end of the tubular member from which the yarn is to be discharged. For example, if the yarn in FIG. 1 were traveling in the opposite direction, i.e., toward the observer and was to leave off the same end,
  • the lead angle would have to be opposite to that shown, but if it was to leave ofi the opposite end, the lead angle would be the same.
  • the interval that the thread is retained on member 32 is determined by three conditions: the speed of travel of the yarn, the lead angle of helical groove 34, and the effective length of member 32, that is, the distance on the member between the point at which the yarn is deposited thereon, .e.g., by bill 28, and the end from which the yarn leaves.
  • the member can be designed to retain the thread thereon for almost any desired interval, within practical limits, of course, and certainly for the several seconds required for package to achieve normal speed of rotation upon frictional contact with the periphery of drum 18.
  • the yarn approaches member 32 essentially at right angles, the effective radius of the yarn during traversing movement being very great compared tothe diameter of member 32, with the result that the yarn is displaced laterally from that right angular path a distance determined by the lead angle.
  • the yarn seeks to assume a straight path so that a certain lateral force is imparted thereto, which force tends, in eflect, to bias the yarn into engagement with the groove Walls. It Will be seen, therefore, that in order to utilize this effect to best advantage in increasing the friction between the yarn and the helical groove, the lead angle of the groove must at all times be greater than the angle that the yarn deviates from a right angle in approaching the tubular guide.
  • guide member 32 is to temporarily supplant grooved driving drum 18 as the means for guiding the yarn to the periphcry of the package being wound. Consequently, the member must necessarily be so positioned with respect to the axis of drum 18 to deliver the yarn directly to the package periphery out of engagement with groove 22 on the drum.
  • the guide of the invention is a simple and inexpensive solution to the problem of avoiding the formation of such loops on the wound package during the end-finding cycle of the automatic winding machine.
  • an automatic winding machine for winding a strand of yarn onto a rotatably driven winding package of the type wherein said package is brought to rest in the event of an interruption in said strand during the winding operation and is brought up to winding speed when continuity of the strand is re-established, said machine including continuously operative means for traversing the winding strand of yarn longitudinally of the package, a knot-tying device spaced from the normal path of the strand during winding which device is efiective to unite the strand to re-establish strand continuity after an interruption therein and yarn guide means associated with said knot-tying device and terminating above the normal strand path; the combination therewith of a supplementary yarn guide member interposed between said yarn guide means and said traversing means for receiving said united strand from said yarn guide means to hold it out of its normal path in spaced relation to said traversing means a predetermined period of time to permit said winding package to attain winding speed, said supplementary yarn guide member being adapted to move said united strand of yarn
  • said traversing means is a rotatably driven drum having an endless yarn-engaging groove thereon, the periphery of said drum contacting the package periphery in normal winding position to rotate the package and said supplementary yarn guide member comprises a tubular member mounted for rotation about an axis substantially parallel to the axis of said traversing drum and having a helical groove formed in its periphery and extending from said first point to said second point.

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  • Winding Filamentary Materials (AREA)
US30310A 1960-05-19 1960-05-19 Yarn guide with delayed yarn release for winding machines Expired - Lifetime US3055602A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL120750D NL120750C (fr) 1960-05-19
NL264951D NL264951A (fr) 1960-05-19
US30310A US3055602A (en) 1960-05-19 1960-05-19 Yarn guide with delayed yarn release for winding machines
BE603325A BE603325A (fr) 1960-05-19 1961-05-03 Machine bobineuse d'un fil sur un écheveau rotatif.
DEL39005A DE1275425B (de) 1960-05-19 1961-05-17 Spulautomat
CH592561A CH391540A (de) 1960-05-19 1961-05-18 Maschine mit einem Fadenführungsorgan, insbesondere Spulmaschine
GB18118/61A GB934537A (en) 1960-05-19 1961-05-18 Improvements in yarn winding machines
FR862332A FR1293734A (fr) 1960-05-19 1961-05-19 Guide-fil temporaire pour bobinoirs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30310A US3055602A (en) 1960-05-19 1960-05-19 Yarn guide with delayed yarn release for winding machines

Publications (1)

Publication Number Publication Date
US3055602A true US3055602A (en) 1962-09-25

Family

ID=21853602

Family Applications (1)

Application Number Title Priority Date Filing Date
US30310A Expired - Lifetime US3055602A (en) 1960-05-19 1960-05-19 Yarn guide with delayed yarn release for winding machines

Country Status (7)

Country Link
US (1) US3055602A (fr)
BE (1) BE603325A (fr)
CH (1) CH391540A (fr)
DE (1) DE1275425B (fr)
FR (1) FR1293734A (fr)
GB (1) GB934537A (fr)
NL (2) NL264951A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121541A (en) * 1963-03-28 1964-02-18 Barber Colman Co Spooler type winder
US3314620A (en) * 1964-09-28 1967-04-18 Leesona Corp Yarn guide
EP0066058A2 (fr) * 1981-06-02 1982-12-08 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Broche de centrage tournante montée en porte-à-faux

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244492A (en) * 1939-10-31 1941-06-03 Du Pont Process and apparatus for yarn winding
US2715308A (en) * 1950-01-11 1955-08-16 Universal Winding Co Method of and apparatus for twisting and winding
US2764362A (en) * 1951-04-26 1956-09-25 Universal Winding Co Winding machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1267977A (en) * 1916-11-28 1918-05-28 Barber Colman Co Winder.
FR1202603A (fr) * 1957-09-18 1960-01-12 Fr Mettler Fils De Dispositif pour amener le fil à des guide-fils à tambour rainuré de bobinoirs et réunisseuses de fils et de retors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244492A (en) * 1939-10-31 1941-06-03 Du Pont Process and apparatus for yarn winding
US2715308A (en) * 1950-01-11 1955-08-16 Universal Winding Co Method of and apparatus for twisting and winding
US2764362A (en) * 1951-04-26 1956-09-25 Universal Winding Co Winding machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121541A (en) * 1963-03-28 1964-02-18 Barber Colman Co Spooler type winder
US3314620A (en) * 1964-09-28 1967-04-18 Leesona Corp Yarn guide
EP0066058A2 (fr) * 1981-06-02 1982-12-08 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Broche de centrage tournante montée en porte-à-faux
EP0066058A3 (en) * 1981-06-02 1983-01-05 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Overhung rotating spindle for the positioning of yarn

Also Published As

Publication number Publication date
GB934537A (en) 1963-08-21
NL120750C (fr)
FR1293734A (fr) 1962-05-18
DE1275425B (de) 1968-08-14
BE603325A (fr) 1961-09-01
CH391540A (de) 1965-04-30
NL264951A (fr)

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