US3459389A - Yarn tensioning device - Google Patents

Yarn tensioning device Download PDF

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Publication number
US3459389A
US3459389A US616323A US3459389DA US3459389A US 3459389 A US3459389 A US 3459389A US 616323 A US616323 A US 616323A US 3459389D A US3459389D A US 3459389DA US 3459389 A US3459389 A US 3459389A
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US
United States
Prior art keywords
yarn
disk
disks
tensioning device
yarn tensioning
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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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US616323A
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English (en)
Inventor
Edwin Wildi
Benno Bischof
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Benninger AG Maschinenfabrik
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Benninger AG Maschinenfabrik
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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
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/20—Co-operating surfaces mounted for relative movement
    • B65H59/22—Co-operating surfaces mounted for relative movement and arranged to apply pressure to material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/20—Co-operating surfaces mounted for relative movement
    • B65H59/22—Co-operating surfaces mounted for relative movement and arranged to apply pressure to material
    • B65H59/225—Tension discs
    • 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

  • the present invention relates to an improved yarn tensioning device of the type wherein the yarn passes between an upper and a lower disk and is tensioned by confronting or opposite disk surfaces which exert a more or less pronounced clamping action upon the throughpassing yarn or the like.
  • Another, more specific object of the present invention pertain to an improved yarn tensioning device which is not only relatively simple in construction and economical to manufacture, but additionally insures that a substantially uniform tension will be exerted upon the yarn so that the quality of the yarn is not adversely affected.
  • Still a further significant object of this invention concerns an improved yarn tensioning device which provides for a substantially uniform clamping effect of its disk members upon the yarn so that the uniformity of the yarn is maintained throughout yarn processing, and
  • disk members are subjected to a cleaning action to positively prevent any accumulation of dust, dirt or otherwise at the disk members and which would adversely alfect the operation of the yarn tensioning device.
  • the inventive yarn tensioning device comprises at least one pair of disks, namely an upper disk and a lower disk between which the yarn passes.
  • the continuously rotating disk or disks bring about a continuous, automatic cleaning of the disk surfaces by the yarn itself, the latter of which displaces accumulated dirt against the outer or inner rim of the disk.
  • the yarn tensioning device designed according to the teachings of the present invention and which is advantageously a two-disk yarn tensioning device, by protecting the same completely in an upright structural part or member of a bobbin creel having a substantially U-shaped cross-section, and wherein such upright structural member supports further yarn tensioning devices in the same manner.
  • this structural member there are provided oppositely disposed openings for the throughpassage of the yarn and which are aligned in a substantially straight line with respect to another opening or aperture between the two pairs of disks. The first pair of disks, viewed in the direction of advancement or feed of the yarn, serves to steady the yarn.
  • FIGURE 1 schematically illustrates three bobbins or spools arranged above one another of a bobbin creel and provided with the associated yarn tensioning devices of the invention
  • FIGURE 2 is a schematic sectional view taken along a horizontal plane through a portion of one row of the bobbin creel and depicting two adjacently arranged bobbins and the associated inventive yarn tensioning devices;
  • FIGURE 3 is a fragmentary, vertical sectional view of one single yarn tensioning device of the invention.
  • FIGURE 4 is a fragmentary, sectional view of the yarn tensioning device of FIGURE 3, taken along the line IV-IV thereof, with the adjacent parts of the bobbin creel;
  • FIGURE 5 is a top plan view of the yarn tensioning device shown in FIGURE 3.
  • FIGURE 6 is a scross-sectional view of the yarn tensioning device shown in FIGURE 5, taken through the driving arrangement and substantially along the line VI VI thereof.
  • FIGURE 1 illustrates three such spools 1, each of which belongs to a different row
  • FIGURE 2 shows two adjacent spools 1 in the same row.
  • the spindles for the spools 1 can be considered to be well known and since their physical structure is not necessary for an understanding of the invention they are thus not illustrated.
  • the yarn 2, which is wound off each spool 1, is passed through two legs or arms 3a, 3b of a structural member or part 3 of the creel which is in close vicinity to its respective spool 1 and which has a substantially U- shaped cross-section.
  • the yarn 2 is deflected from this structural or profile member 3 at almost a right angle to a non-illustrated, conventional winding drum.
  • the yarn 2 passes the associated inventive yarn tensioning device.
  • each of these disk wheels 7 and 7a carries a damper plate 8 and 8a respectively, which, in turn, each carry a disk 9 and 9a of the yarn tensioning device.
  • These disks 9 and 9a possess a collar 10 and 10a, respectively, extending downwards from the center of the associated disk and through which accumulated dirt can be led away through the openings or apertures 11, 11a of the disk wheel 7, 7a, respectively.
  • the exterior rim of each of the disks 9, 9a is extended downwards, as shown at 12 and 12a, so as to prevent the passing yarn 2 from becoming damaged on projecting edges.
  • each of these lower disks 9 and 9a there freely lies a top or upper disk 13 and 13a, respectively, having an exterior upward extending rim 14 and 14a, respectively, and which is located in the support or carrier 5 by means of projecting retaining means or segments 15 (FIGURE 5) of the same in such a manner that the two pairs of disks 9, 13 and 9a, 13a lie approximately centrally on top of one another.
  • guide openings 16, 17 and 18 for the yarn 2.
  • These guide openings 16, 17 and 18 are aligned in a substantially straight line, so that the yarn 2 or the like is withdrawn in a straight line.
  • This arrangement primarily has the advantage that the yarn 2 can be inserted by a simple and straight threading tool.
  • the location of the openings 16, 17 and 18 in relation to the pairs of disks 9, 13 and 9a, 13a is chosen in such a manner that the associated yarn 2 cannot unthread.
  • Tray 19 leads away accumulated dirt falling through the associated openings or apertures 11 and 11a. In this way the dirt or otherwise is directed outwards over one corner of the structural member, and hence, cannot fall onto a yarn tensioning device located underneath.
  • the structural member 3 is constructed in such a manner that its base 21 prevents dust from being brought directly into the yarn tensioning device due to the air current 22 (FIGURE 2) produced by the advancement or feed of the yarn 2.
  • FIGURE 4 clearly shows the disk pair 9, 13 is additionally provided with means which enbales the upper disk 13 to press to a greater or lesser degree against the lower disk 9, as required, and thus to increase or decrease the tension of the yarn.
  • the first disk pair 9a, 13a viewed in the direction of yarn advancement, reduces the vibration of the entering yarn 2 which is withdrawn from the associated spool 1.
  • the device or mechanism which regulates the tension of the yarn advantageously comprises an axially displaceable rail member 23 which is located between the support or carrier 5 and the structural member or part 3, and such rail member can be adjusted in vertical direction by any suitable non-illustrated means.
  • One angle element 24 is secured to this rail member 23 for each yarn tensioning device.
  • Each such angle element 24 is provided with a pressure pin 25.
  • the bottom end 26 of pressure pin 25 rests upon a substantially conical-shaped central region 27 of the associated upper or top disk 13.
  • This pressure pin 25 is surrounded by a pressure ring 28, the tension of which is adjustable by means of an adjustment ring 29.
  • the rail member 23 is vertically displaced and, thus, the bottom end 26 of the pressure pin 25 is pressed more firmly or less firmly against the upper disk 13 by means of the angle element 24, the pressure spring 28 and the adjustment ring 29.
  • a further disk member 30 which permits the pin 25 to be guided under normal working conditions in such a manner that the end 26 of said pin is always in contact with the cone region or portion 27 of the upper disk 13.
  • this disk 30 is provided at its marginal region with a conical ring 31 by means of which this centering ring 30 is automatically again placed into its correct bearing position through the agency of the projecting segments 15.
  • the mounting of the pressure pin 25 in the angle member or element 24 is such that this pressure pin 25 together with the centering disk 30 and with the pressure spring 28 can easily be removed, so that the upper disk 13, like the other upper disk 13a, is easily accessible for cleaning and servicing. It is also possible to displace the rail member 23 vertically, so as to raise the bottom end 26 of the pressure pin 25 from the associated upper disk 13. In this position the entire yarn tensioning device only operates through the dead weight of the upper disks 13 and 13a.
  • the characteristics of the pressure spring 28 permits a large range of adjustments for the tension of the yarn and, furthermore, allows a very precise adjustment of the required yarn tension without necessitating a change in the angle of looping. In all set or regulated tensions of the yarn the yarn runs unaltered through the device.
  • the described yarn tensioning device could be operated as hereinbefore explained. However, in such case it would still have the disadvantage, as with other known yarn tensioning devices, that due to the inefficient entrainment of the freely rotating disks, these disks would be subjected to rapid wear. Furthermore, with such operation and owing to the absence of any self-cleaning action upon deposited dirt or the like, or a self-cleaning action which, at best, is still quite faulty, the tensioning effect upon the throughpassing yarn would be very irregular if the surfaces of the disks were not subject to a complicated cleaning operation at short intervals.
  • the two disk wheels 7 and 7a, and hence, through the agency of the damping disks 8, 811 also the lower disks 9, 9a, are driven by a suitable drive arrangement.
  • This drive arrangement incorporates any suitable non-illustrated drive motor or the like which drives a common driving shaft 33 for all vertically located yarn tensioning devices in the structural member 3.
  • This driving shaft 33 carries driving pinions 32, each of the yarn tensioning devices being operably associated with such a pinion 32.
  • Each pinion 32 meshes with gear means such as spur gears 34, 34a on the circumference of the disk wheels 7, 7a.
  • the drive is of constant speed and operates in such a manner that the lower disks 9, 9a of the yarn tensioning device are rotated in the direction of the arrows A (FIGURE 5'), that is to say, in the direction of advancement or feed of the yarn 2.
  • the omission of one of the two disk pairs of the illustrated yarn tensioning device allows the same to be used as a one-disk tensioner.
  • a further advantage of the described yarn tensioning device is that the arrangement within the U-shaped structural member or part 3 and the fact that the yarn travels in a substantially straight line prevents the yarn from catching on the yarn tensioning device or on abutments thereof.
  • such structural member or part 3 protects all yarn tensioning devices from being damaged, particularly against damage caused by dropping spools. Furthermore, this arrangement also eliminates hand injuries caused by projecting elements.
  • the vertical location of the structural member 3 largely prevents dirt from accumulating on the supports or carriers of the yarn tensioning devices, and the dust or the like generated by the friction of the yarn between the disks is removed by the trays 19.
  • the present yarn tensioning device possesses no rollers or bolts around which the yarn would have to be wound with a larger or smaller looping angle so as to obtain the required tension, entailing all the dangers of catching, unthreading, etc., of such arrangements and requiring complicated threading operations.
  • the yarn in the present yarn tensioning device can be easily threaded by means of an elongated tool and without actuating any components.
  • All yarn tensioning devices can be adjusted during operation, and this adjustment or control of the yarn tension is effected by the exertion of pressure on the center of the upper disk of each yarn tensioning device.
  • a yarn tensioning device comprising at least an upper and a lower disk having opposite disk surfaces between which the yarn passes and is tensioned by said opposite disk surfaces, means for positively driving only said lower disk of said two disks independent of the speed of move: ment of the yarn, in order to ensure that the throughpassing yam continuously and automatically cleans said opposite disk surfaces of said upper and lower disks so that the tensioning action of said two disks upon the yarn is maintained substantially constant, a disk wheel and a damping disk mounted on said disk wheel, said lower disk bearing on said disk wheel through the agency of said damping disk, gear means carried by said disk wheel, said driving means including a drive shaft and a pinion mounted at said drive shaft, said pinion being engageable with said gear means.
  • a yarn tensioning device as defined in claim 1 further including an additional pair of upper and lower disks arranged along the path of advancement of the yarn, the first pair of disks lying in the direction of advancement of the yarn serving to steady the yarn, and means for ensuring that the yarn passes in a substantially straight line through both pairs of disks between said upper and lower disk of each pair.
  • a yarn tensioning device as defined in claim 2 wherein said lower driven disk is provided with a central opening bounded by a downwardly extending collar member, said lower driven disk further being provided with a downwardly extending exterior rim portion, a tray arranged beneath said lower driven disk, said central opening and said downwardly extending exterior rirn portion of said lower driven disk serving to lead away accumulated dirt to said tray.
  • a yarn tensioning device as defined in claim 4 wherein a plurality of said substantially U-shaped upright structural members are provided arranged adjacent one another, the open side of one of said U-shaped structural members facing a closed side of another one of said substantially U-shaped structural members, and wherein said means for ensuring that the yarn passes in a substantially straight line comprises opposite guide openings provided at said substantially upright structural members and means providing a further opening arranged between said two pairs of disks.
  • a yarn tensioning device comprising at least an upper and a lower disk having opposite disk surfaces between which the yarn passes and is tensioned by said opposite disk surfaces, means for positively driving only said lower disk of said two disks independent of the speed of movement of the yarn, in order to ensure that the throughpassing yarn continuously and automatically cleans said opposite disk surfaces of said upper and lower disks so that the tensioning action of said two disks upon the yarn is maintained substantially constant, means for ensuring that the yarn passes in a substantially straight line between said two disks, said upper disk possessing a central region of substantially conical shape, resilient pressing means for resiliently pressing said upper disk against said lower disk so as to tension the yarn, said resilient pressing means including spring means acting upon said central conical region of said upper disk for urging the latter with pressure against said lower disk, said resilient pressing means further including a pressure pin acted upon by said spring means, said pressure pin having an end contacting said conical central region of said upper disk, said yarn tensioning device further including means for retaining said upper and lower disks in a predetermined position relative to one another,
  • a yarn tensioning device as defined in claim 6, further including an axially displaceable rail member for carrying said pressure pin, said axially displaceable rail member extending substantially parallel to said pressure pin and enabling the pressure of said upper disk against said lower disk to be controlled during operation of the yarn tensioning device.

Landscapes

  • Tension Adjustment In Filamentary Materials (AREA)
  • Warping, Beaming, Or Leasing (AREA)
US616323A 1966-02-15 1967-02-15 Yarn tensioning device Expired - Lifetime US3459389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH220866A CH452452A (de) 1966-02-15 1966-02-15 Fadenspannvorrichtung

Publications (1)

Publication Number Publication Date
US3459389A true US3459389A (en) 1969-08-05

Family

ID=4228407

Family Applications (1)

Application Number Title Priority Date Filing Date
US616323A Expired - Lifetime US3459389A (en) 1966-02-15 1967-02-15 Yarn tensioning device

Country Status (8)

Country Link
US (1) US3459389A (de)
AT (1) AT291869B (de)
CH (1) CH452452A (de)
CS (1) CS160630B2 (de)
DE (1) DE1710097C3 (de)
FR (1) FR1510394A (de)
GB (1) GB1172893A (de)
NL (1) NL154279B (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175718A (en) * 1977-12-27 1979-11-27 W. Schlafhorst & Co. Thread brake
US4202511A (en) * 1977-12-27 1980-05-13 W. Schlafhorst & Co. Thread braking device
US4272038A (en) * 1979-05-31 1981-06-09 Maschinenfabrik Benninger Ag Thread-tensioning device on a warp creel
US4313578A (en) * 1978-07-27 1982-02-02 Appalachian Electronic Instruments, Inc. Yarn tension control apparatus
US4548369A (en) * 1984-05-03 1985-10-22 Maschinenfabrik Benninger Ag Thread tensioning apparatus for warp creel
US4557431A (en) * 1983-08-17 1985-12-10 W. Schlafhorst & Co. Controllable and adjustable yarn tensioning device
US4566651A (en) * 1982-07-29 1986-01-28 W. Schlafhorst & Co. Assembly of a support and thread tensioners for a bobbin creel
US4572459A (en) * 1983-03-03 1986-02-25 W. Schlafhorst & Co. Controllable and adjustable yarn tensioner
US4809927A (en) * 1986-12-01 1989-03-07 Savio S.P.A. Yarn tensioning device in the form of rotary discs
US4944471A (en) * 1987-12-23 1990-07-31 Benninger Ag Method of producing a yarn tension on a bobbin creel
US5655721A (en) * 1994-05-19 1997-08-12 Yamagata Gravure Co., Ltd. Yarn tension device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534364A1 (de) * 1975-08-01 1977-02-17 Theodor Haering Fadenbremsvorrichtung
DE2758334C2 (de) * 1977-12-27 1986-04-17 W. Schlafhorst & Co, 4050 Mönchengladbach Fadenbremse
CH631676A5 (de) * 1978-09-15 1982-08-31 Benninger Ag Maschf Fadenfuehrung an einem spulengatter.
DE2923034C2 (de) * 1979-06-07 1986-04-17 Maschinenfabrik Benninger AG, Uzwil Fadenspannvorrichtung an einem Spulengatter
DE3318435A1 (de) * 1983-05-20 1984-11-29 Maschinenfabrik Benninger AG, Uzwil Fadenspannvorrichtung an einem spulengatter
DE9311971U1 (de) * 1993-08-11 1994-12-15 Hacoba Textilmaschinen GmbH & Co KG, 42281 Wuppertal Tellerbremse für Textilfäden
IT1275996B1 (it) * 1995-03-31 1997-10-24 Savio Macchine Tessili Srl Procedimento e dispositivo atti a controllare ed a regolare automaticamente in modo continuo la tensione cui e' assoggettato
ES2262058T3 (es) * 2004-04-16 2006-11-16 Karl Mayer Textilmaschinenfabrik Gmbh Disposicion de vigilancia de hilo.

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US2432696A (en) * 1946-03-13 1947-12-16 Universal Winding Co Tension device for winding machines
US2457450A (en) * 1946-03-26 1948-12-28 Dewas Raymond Yarn tensioning device
US2629561A (en) * 1949-12-30 1953-02-24 Specialties Dev Corp Yarn tensioning device
US2661913A (en) * 1952-06-24 1953-12-08 Specialties Dev Corp Damping means for yarn tension compensating devices
US3297264A (en) * 1963-08-29 1967-01-10 Gilbos Const Pvba Tension and waxing device for winding machines

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AT41490B (de) * 1908-03-14 1910-03-25 Simon Willard Wardwell Fadenspannvorrichtung für Spulmaschinen.
DE511866C (de) * 1928-05-17 1931-06-02 August Hoffmann Bremse fuer Spulmaschinen
DE504926C (de) * 1929-09-07 1930-08-09 Textil Syndikat G M B H Fadenspannvorrichtung fuer die Randmaschenbildung auf flachen Kulierwirkmaschinen
DE597635C (de) * 1932-02-23 1934-05-28 G F Grosser Maschinenfabrik Fadenspannvorrichtung fuer Kreuzspulmaschinen mit allmaehlicher Druckverminderung
DE643189C (de) * 1933-01-05 1937-04-02 Sipp Eastwood Corp Fadenbremseinrichtung fuer Schermaschinen
DE617215C (de) * 1933-08-03 1935-08-15 Schlafhorst & Co W Tellerscheiben-Fadenspanner fuer Zettelgatter u. dgl.
DE626392C (de) * 1934-04-04 1936-02-25 Schlafhorst & Co W Tellerscheiben-Fadenspanner fuer Zettelgatter u. dgl.
DE653295C (de) * 1935-01-09 1937-11-19 Carl Pohlers Fadenspannvorrichtung fuer Zettelgatter
BE471936A (de) * 1946-03-26
BE491898A (de) * 1948-04-17
GB660049A (en) * 1949-02-03 1951-10-31 Courtaulds Ltd Improvements in and relating to creels
GB683928A (en) * 1949-12-30 1952-12-10 Specialties Dev Corp Yarn tensioning device
US2597044A (en) * 1950-03-28 1952-05-20 Specialties Dev Corp Yarn tension control device
CH309518A (de) * 1952-12-04 1955-09-15 Fitz Adolf Tellerfadenbremse für Textilmaschinen.
US2881988A (en) * 1956-06-12 1959-04-14 Specialties Dev Corp Yarn tensioning device
DE1828099U (de) * 1960-12-30 1961-03-09 Franz Mueller Maschinenfabrik Tellerfadenbremse.
US3172616A (en) * 1962-10-01 1965-03-09 Smith Corp A O Filament unwinding apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432696A (en) * 1946-03-13 1947-12-16 Universal Winding Co Tension device for winding machines
US2457450A (en) * 1946-03-26 1948-12-28 Dewas Raymond Yarn tensioning device
US2629561A (en) * 1949-12-30 1953-02-24 Specialties Dev Corp Yarn tensioning device
US2661913A (en) * 1952-06-24 1953-12-08 Specialties Dev Corp Damping means for yarn tension compensating devices
US3297264A (en) * 1963-08-29 1967-01-10 Gilbos Const Pvba Tension and waxing device for winding machines

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175718A (en) * 1977-12-27 1979-11-27 W. Schlafhorst & Co. Thread brake
US4202511A (en) * 1977-12-27 1980-05-13 W. Schlafhorst & Co. Thread braking device
US4313578A (en) * 1978-07-27 1982-02-02 Appalachian Electronic Instruments, Inc. Yarn tension control apparatus
US4272038A (en) * 1979-05-31 1981-06-09 Maschinenfabrik Benninger Ag Thread-tensioning device on a warp creel
US4566651A (en) * 1982-07-29 1986-01-28 W. Schlafhorst & Co. Assembly of a support and thread tensioners for a bobbin creel
US4572459A (en) * 1983-03-03 1986-02-25 W. Schlafhorst & Co. Controllable and adjustable yarn tensioner
US4557431A (en) * 1983-08-17 1985-12-10 W. Schlafhorst & Co. Controllable and adjustable yarn tensioning device
US4548369A (en) * 1984-05-03 1985-10-22 Maschinenfabrik Benninger Ag Thread tensioning apparatus for warp creel
US4809927A (en) * 1986-12-01 1989-03-07 Savio S.P.A. Yarn tensioning device in the form of rotary discs
US4944471A (en) * 1987-12-23 1990-07-31 Benninger Ag Method of producing a yarn tension on a bobbin creel
US5655721A (en) * 1994-05-19 1997-08-12 Yamagata Gravure Co., Ltd. Yarn tension device

Also Published As

Publication number Publication date
CS160630B2 (de) 1975-03-28
DE1710097A1 (de) 1971-05-13
CH452452A (de) 1968-05-31
NL154279B (nl) 1977-08-15
DE1710097B2 (de) 1978-01-12
AT291869B (de) 1971-08-10
NL6702231A (de) 1967-08-16
FR1510394A (fr) 1968-01-19
DE1710097C3 (de) 1982-11-11
GB1172893A (en) 1969-12-03

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