EP0699613A2 - Râtelier pour bobines de fil - Google Patents

Râtelier pour bobines de fil Download PDF

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Publication number
EP0699613A2
EP0699613A2 EP95112905A EP95112905A EP0699613A2 EP 0699613 A2 EP0699613 A2 EP 0699613A2 EP 95112905 A EP95112905 A EP 95112905A EP 95112905 A EP95112905 A EP 95112905A EP 0699613 A2 EP0699613 A2 EP 0699613A2
Authority
EP
European Patent Office
Prior art keywords
creel
spring
braking
coil
braking element
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.)
Granted
Application number
EP95112905A
Other languages
German (de)
English (en)
Other versions
EP0699613A3 (fr
EP0699613B1 (fr
Inventor
Hubert Kremer
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.)
Sucker Mueller Hacoba GmbH and Co
Original Assignee
Sucker Mueller Hacoba GmbH and Co
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 Sucker Mueller Hacoba GmbH and Co filed Critical Sucker Mueller Hacoba GmbH and Co
Publication of EP0699613A2 publication Critical patent/EP0699613A2/fr
Publication of EP0699613A3 publication Critical patent/EP0699613A3/fr
Application granted granted Critical
Publication of EP0699613B1 publication Critical patent/EP0699613B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/40—Holders or supports for thread packages
    • D04B15/42—Frames for assemblies of two or more reels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/32—Stands or frameworks
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/22—Tensioning devices
    • D02H13/24—Tensioning devices for individual threads
    • 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 invention relates to a creel for bobbins with thread-like material, in particular yarn bobbins, from which the thread is drawn off laterally with a winding machine, with a braking device which has a brake element mounted separately on the creel for each bobbin, against a bobbin or with it rotatable part can be pressed with an adjusting device which acts on the braking element via an intermediate spring.
  • Spools of bobbins or roller bobbins with tangential take-off in which the thread-like material is not taken off overhead, can have weights of up to 20 kg.
  • Such weights can not be braked quickly enough with conventional braking devices, such as the one described above, that is, in such a way that the end of the thread of the wound thread can still be reached between the creel and the winding machine if the thread family is to be kept taut.
  • the braking devices are not able to brake the heavy bobbins in such a way that the thread family remains tensioned.
  • the take-off speed must be reduced so that both of the above criteria are met can and therefore can be achieved with such gates only withdrawal speeds of 80 to 120 m / min.
  • the invention has for its object to increase the production of the creel by increasing the take-off speeds, but in the event of a thread break both the end of the torn wound thread must be reached before the winding machine to fix the thread break by knotting the thread can be kept taut, just like the thread coulter, in order to avoid tangle of threads before restarting the winding machine.
  • the adjusting device has an adjusting stop which acts rigidly on the braking element when it is acted upon by the spring with a predetermined force.
  • the tuning is such that the adjustment stop only comes into effect when the braking element is acted upon by the spring with a predetermined force. This can ensure that the adjusting device contributes to the tension of the thread in a predetermined force range via the braking element, the range being able to be determined in such a way that normal winding operation is mastered.
  • the rigidly acting adjustment stop is only used when the force serving to generate normal thread tension has to be exceeded by the rigidly acting adjustment stop of the adjusting device, with the effect of the spring being switched off, resulting in a rapid braking of the bobbins.
  • the rigidly acting adjustment stop can also be brought into effect when the force of the spring serving to generate the normal thread tension has not yet been reached, for example when the winding machine starts up.
  • the running speed can be increased from 80 to 120 m / min to 160 to 200 m / min, as tests have shown.
  • the coil creel is expediently designed in such a way that the braking element has a flat brake lining which lies tangentially against a brake disk of the coils forming the non-rotatable part.
  • the tangential contact of the brake pad results in defined friction conditions, which lead to a perfect braking of the coil.
  • the creel can be designed so that the braking element consists of a rigid bearing piece and an elastic brake pad thereon.
  • the brake element With the aid of the rigid bearing piece, the brake element can be securely clamped by components of the adjusting device that are matched to it, and the elastic brake pad ensures a finely adjustable braking force adjustment that is largely independent of setting tolerances during normal winding operation.
  • the creel is developed in such a way that the lever supporting the braking element is a two-armed lever, on one arm of which the braking element is seated and on the other arm of which the spring engages.
  • the dimensioning of the arm lengths can be coordinated so that a strong braking effect is achieved with a comparatively weak and consequently easily adjustable spring, if the arm for the braking element is short and the arm for the spring is long. In this case, a very strong braking effect can also be achieved with the adjustment stop due to the one long and the other short arm.
  • the creel has a multiplicity of braking devices, which are each used for one of the many coils
  • the creel can advantageously be further developed in that the spring is acted upon by an actuating rod to which springs of other braking devices of other coils, each adjustable as required, are fastened .
  • the creel centrally, for example by means of a single hydraulic actuating cylinder which acts on the actuating rod.
  • the springs are each adjustably fastened to the adjusting rod, so that by changing the fastening points it can be achieved that all the coils are acted upon by the same braking force.
  • a significant structural standardization and simplification of the creel results from the fact that the adjustment stop is attached to the adjusting rod and comes to rest on the other arm of the two-armed lever after a predetermined extension or compression of the spring, or that the adjusting stop on a stop rod for which the spring does not act several braking devices is attached. Since the actuating rod for loading the spring will be arranged in the vicinity of the braking device or in the vicinity of the free end of the second arm of the two-armed lever, this actuating rod can advantageously also have the adjustment stop.
  • a stop rod intended for a plurality of braking devices is provided which independently of the adjustment stop of the action of the spring is used, for example, to achieve optimal rapid braking of the coils.
  • the coil creel is designed in such a way that the actuating rod and / or the stop rod are coupled to a gate-fixed adjusting handwheel or a gate-fixed control cylinder.
  • the control cylinder can also be used in this sense if it acts on the control rod.
  • the control cylinder can also be used for a quick stop if the spring is run over by the actuating rod which is acted upon by the cylinder, or if the stop rod is acted upon by the control cylinder.
  • the coil creel can be structurally advantageous in that the coils are mounted on vertical creel bars and that the bearing point of the rigid levers are attached to these creel bars.
  • a simple vertical gate bar is sufficient to store both several coils and the associated braking devices.
  • a high stability of the creel or a construction is achieved in which the interaction of the braking device and the coil is only slightly influenced by tolerances and elasticities of structural parts.
  • creel can be integrated into central controls on production lines, or to make operation easier, all control rods and / or stop rods are controlled centrally.
  • the bobbin creel consists of a large number of bobbins with coils 10.
  • the construction of the bobbin creel in detail is not shown and can be largely arbitrary.
  • vertical gate bars 24 which are designed, for example, as square hollow tubes.
  • Support axes 27 are arranged on these gate rods 24. According to Figure 4, a support axis 27 extends horizontally on both sides of the gate rod 24 and forms a double winding unit.
  • There is an attachment of the support shaft 27 by screwing to the gate rod 24 by means of a retaining clip 28 and fastening screws 29.
  • Each support shaft 27 is provided near the gate rod with a brake disc forming a rotatable part 14 with a coil 10, which is rotatably mounted on the support shaft 27.
  • axle sleeve 32 there is a rotary bearing 30 radially inside the part 14 and a further rotary bearing 31 at the outer end of the support shaft 27 within an axle sleeve 32, with which this axle sleeve 32 is rotatably supported at the free end of the support shaft 27.
  • the inner end of the axle sleeve 32 near the gate rod is firmly connected to the part 14.
  • the part 14 has a push-on end 14 'which extends parallel to the supporting axis.
  • One end of a spool sleeve 10 'of a spool 10 is plugged onto the push-on end 14', the other end of which is held by a push-on cap 33 which is fixedly connected to the outer end of the axle sleeve 32.
  • the bobbin 10 has the winding shown in FIG. 4 in cross section, from which a thread 11 is drawn off tangentially, as can be seen from FIGS. 1 to 3.
  • the thread 11 is deflected around a thread deflecting roller 21 which, according to FIG. 4, extends over the entire width or length of the bobbin 10 and in each case somewhat beyond the ends thereof, so that the thread 11 can oscillate over the length of the bobbin winding and is still rolling.
  • Each winding unit is assigned a braking device which has a braking element 12 which can be pressed against the part 14 by means of an adjusting device 13.
  • the brake element 12 has an elastic brake lining 17 which lies tangentially on the outer circumference of the part 14 or the brake disc.
  • the adjusting device 13 has a rigid lever 18 which is pivotably mounted on the vertical gate rod 24 at the bearing point 19.
  • the lever 18 is a two-armed lever with a very short arm 25 which supports the braking element 12.
  • the arm 25 is pot-shaped in order to grip and hold the rigid bearing piece 12 'of the braking element 12, for example in a form-fitting manner.
  • the flat brake pad 17 is fastened to the bearing piece 12 'and is designed, for example, as an elastic cushion.
  • the lever 18 has a second, long arm 20, at the outer end 20 'of which the thread deflection roller 21 is arranged. Due to the arrangement of the bearing 19 below the support axis 27 on the gate rod 24, the arm 20 extends practically over the entire diameter of the coil 10, but hardly beyond. This results in a compact design in which the maximum outer diameter of the coil 10 or the outer diameter of the coil winding determines the maximum extent of the braking device or its adjusting device 13 in the plane of the illustration.
  • a spring 15 engages with one end, the other end of which is fastened, for example, with a clamping ring 34 of an adjusting rod 22 which extends horizontally across the gate rod 24.
  • the actuating rod 22 is arranged practically parallel to the spring 15, which is designed as a tension spring and, when acted upon by the actuating rod 22, pulls the lever 18 which can be pivoted about the bearing point 19, for example from the position shown in FIG.
  • the brake pad 17 is pressed against the outer circumference of the part 14 and the spool 10 rotating as a result of the withdrawal of the thread 11 is braked since the part 14 is connected to the bobbin tube 10 'in a sufficiently force-locking manner via a clamping ring 35.
  • a fine braking of the bobbin 10 can take place, so that the thread tension in the thread 11 in the desired Way is achieved. So that all winding positions of the creel are acted upon in the same way, the clamping ring 34 on the adjusting rod 21 can be adjusted until, for example, a measurement of the thread tension of the thread 11 of all winding positions results in the correct pre-adjustment.
  • the thread tension can be adjusted manually via the adjusting rod 22.
  • 4 shows an adjusting handwheel 23 which is coupled to a threaded bushing 35 with a threaded rod 36 which engages a coupling piece 37 to which two adjusting rods 22 are fastened.
  • the threaded rod 36 is tightened against the force of the springs 15, so that the braking effect on the coils 10 is increased, or the threaded rod 36 is released so that the springs 15 engage the rods 22 in the sense of less braking the coils 10 can adjust.
  • the adjusting handwheel 23 is fixed to the frame but rotatable, as is evident from the supporting structure 38.
  • a control cylinder 26 is attached to this support structure 38, the piston rod 26 'of which is connected to the threaded sleeve 35 via a threaded rod 39.
  • An action on the control cylinder 26 therefore results in a corresponding adjustment of the coupling piece 37 and a corresponding action on the springs 15, which can therefore be tensioned or relaxed in order to brake the coils 10 to a greater or lesser extent with the adjusting device 13.
  • an adjustment stop 16 is fastened to the control rod 22, for example by screwing according to FIG.
  • the adjustment stop 16 is angular and engages with its one angle leg the long arm 20 of the lever 18 in the vicinity of the thread deflection roller 21 or the articulation point of the spring at the end 20 'of the long arm 20.
  • the adjustment stop 16 is rigid and then comes into effect , if the braking force acting on the bobbin 10 is to be stronger than that required by the spring 15 for normal braking or for generating the tension in the thread 11.
  • the actuating rod 22 can be acted upon by the control cylinder 26, with which the braking force is also generated with normal thread take-off.
  • the stop rod can be acted upon independently of the adjusting rod 22 and immediately one accordingly cause rapid adjustment of the lever 18 with a correspondingly strong braking of the coil 10, without the spring 15 having to be fully pulled out first.
  • the stop bar is therefore particularly advantageous when starting up the winding machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP95112905A 1994-09-03 1995-08-17 Râtelier pour bobines de fil Expired - Lifetime EP0699613B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9414507U 1994-09-03
DE9414507U DE9414507U1 (de) 1994-09-03 1994-09-03 Spulengatter für Spulen mit fadenförmigem Gut

Publications (3)

Publication Number Publication Date
EP0699613A2 true EP0699613A2 (fr) 1996-03-06
EP0699613A3 EP0699613A3 (fr) 1996-08-21
EP0699613B1 EP0699613B1 (fr) 1998-11-04

Family

ID=6913389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112905A Expired - Lifetime EP0699613B1 (fr) 1994-09-03 1995-08-17 Râtelier pour bobines de fil

Country Status (4)

Country Link
EP (1) EP0699613B1 (fr)
DE (2) DE9414507U1 (fr)
ES (1) ES2126189T3 (fr)
TR (1) TR199501093A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10322161B4 (de) * 2002-09-03 2009-04-02 Bobby Hu Umschaltbarer Ratschenschlüssel
DE10302730A1 (de) 2003-01-23 2004-08-12 Klöcker-Entwicklungs-Gmbh Vorrichtung zur Regulierung der Fadenspannung eines von einer Garnspule einer Garnspulenhalterung abgezogenen Fadens für eine Dreherkanteneinrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR494914A (fr) * 1917-06-15 1919-09-24 Richard Wallace Winchell Appareil de dévidage pour fils métalliques barbelés et analogues
US3107878A (en) * 1961-06-16 1963-10-22 Hans B Wong Multiple reel carrier
FR2263965A1 (fr) * 1974-03-11 1975-10-10 Signode Corp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE823731C (de) * 1948-10-02 1951-12-06 Licentia Gmbh Drahtablaufeinrichtung fuer Wickelmaschinen
DE1872971U (de) * 1962-01-05 1963-05-30 Hauhinco Maschf Handbetaetigte vorrichtung zum unterbrochenen abwickeln von aufgespulten bindfaeden, draht oder sonstigem schnuermaterial.
FR1602105A (fr) * 1968-07-23 1970-10-12
DE2010145A1 (de) * 1970-03-04 1971-09-23 Continental Gummi-Werke Ag, 3000 Hannover Vorrichtung zum Abbremsen von Garnspulen in Spulengattern
DE2055700A1 (en) * 1970-11-12 1972-05-18 Mueller Hermann E Fa Spindle brake - determined by spring action on the braking lever controlled by the unwinding material
AT313836B (de) * 1972-04-27 1974-03-11 Boehler & Co Ag Geb Abspulvorrichtung
AT392296B (de) * 1988-04-29 1991-02-25 Chemiefaser Lenzing Ag Vom ablaufenden faden gesteuerte bremse fuer die auf einer achse in beidseitigen halterungen drehbar gelagerte spule, insbesondere in webschuetzen fuer rundwebmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR494914A (fr) * 1917-06-15 1919-09-24 Richard Wallace Winchell Appareil de dévidage pour fils métalliques barbelés et analogues
US3107878A (en) * 1961-06-16 1963-10-22 Hans B Wong Multiple reel carrier
FR2263965A1 (fr) * 1974-03-11 1975-10-10 Signode Corp

Also Published As

Publication number Publication date
ES2126189T3 (es) 1999-03-16
DE9414507U1 (de) 1994-11-24
DE59504121D1 (de) 1998-12-10
EP0699613A3 (fr) 1996-08-21
EP0699613B1 (fr) 1998-11-04
TR199501093A2 (tr) 1996-06-21

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