EP0240956A2 - Dispositif pour le retordage de fils - Google Patents

Dispositif pour le retordage de fils Download PDF

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Publication number
EP0240956A2
EP0240956A2 EP87105009A EP87105009A EP0240956A2 EP 0240956 A2 EP0240956 A2 EP 0240956A2 EP 87105009 A EP87105009 A EP 87105009A EP 87105009 A EP87105009 A EP 87105009A EP 0240956 A2 EP0240956 A2 EP 0240956A2
Authority
EP
European Patent Office
Prior art keywords
thread
spindle
conveyor
rotating body
twisting
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
EP87105009A
Other languages
German (de)
English (en)
Other versions
EP0240956A3 (en
EP0240956B1 (fr
Inventor
Georg Siebert
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.)
Artec Design GmbH
Original Assignee
Artec Design GmbH
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 claimed from DE19863612321 external-priority patent/DE3612321A1/de
Priority claimed from DE19863635460 external-priority patent/DE3635460A1/de
Application filed by Artec Design GmbH filed Critical Artec Design GmbH
Priority to AT87105009T priority Critical patent/ATE53611T1/de
Publication of EP0240956A2 publication Critical patent/EP0240956A2/fr
Publication of EP0240956A3 publication Critical patent/EP0240956A3/de
Application granted granted Critical
Publication of EP0240956B1 publication Critical patent/EP0240956B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/10—Spinning or twisting machines in which the product is wound-up continuously for imparting multiple twist, e.g. two-for-one twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
    • D01H7/866—Means to facilitate the unwinding of yarn
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
    • D01H7/868—Yarn guiding means, e.g. guiding tubes

Definitions

  • the invention relates to a thread twisting device for twisting a plurality of threads, with a driven thread spindle and a synchronously driven thread feed mechanism connected downstream in the thread run.
  • a thread twisting device for twisting a plurality of threads, with a driven thread spindle and a synchronously driven thread feed mechanism connected downstream in the thread run.
  • the threads are placed on a bobbin as a supply spool, brought together and twisted together to form a thread.
  • Thread twisting devices based on the double-wire twisting principle are particularly suitable for the application described, because the bobbin plate does not rotate and therefore relatively high spindle speeds can be achieved, even if the mass of the feed bobbins is not distributed rotationally symmetrically on the bobbin plate.
  • Supply spools with different fillings can thus be used and some or more of the plug-on devices for supply spools can also remain vacant.
  • the thread twisting device can be arranged with an oblique or horizontal axis, a weight preferably being used to hold the bobbin plate in a rotationally asymmetrical manner on the bobbin plate.
  • the object of the invention is to provide a thread twisting device in which there is the possibility, on the one hand, of continuously changing the color of the thread by briefly exchanging the supply spools and, on the other hand, of making the twisted thread thus produced immediately available for further processing with a fluctuating demand.
  • a thread twisting device to which a thread store with quantity sensing is assigned, and in which the drive of the twisting spindle and the thread conveyor is switched synchronously by the quantity sensing or with a small time offset.
  • care is therefore taken to ensure that a fixed, preferably selectable ratio between the thread conveying speed and the twisting spindle speed is ensured with a single drive and that the thread is provided with a defined twisting (twists per meter).
  • twisting spindle is also an integral part of the thread conveyor.
  • the thread store can be connected downstream of the thread conveyor or be part of the thread conveyor.
  • the thread conveyor is formed by the spindle end and a pressure roller pressed resiliently against the surface of the spindle end. If the thread twisting device is designed as a double-wire twisting spindle, the end of the spindle, which faces away from the bobbin plate receiving the feed bobbins, expediently serves as the conveyor.
  • the spindle end can be positively connected with interchangeable feed wheels of different diameters.
  • This can e.g. B. happen in that acting as a conveying surface conveying sleeves with different outer diameters on the spindle end and rotatably connected to it.
  • a stop delimiting the path of the sleeve to be pushed on can be provided, wherein the end face of the sleeve resting against the stop and the stop itself can have notches which fit into one another and enable a positive connection.
  • the spindle is designed as a hollow spindle and a plurality of interchangeable feed wheels with different diameters have a shaft shoulder which fits into the hollow spindle and can be connected to it in a form-fitting manner.
  • the thread store according to this invention is characterized in that it is connected to switching devices by means of which the stored amount of thread is scanned and a switching takes place as a function of this scanning. Thread stores of this type are known per se in the prior art.
  • It can e.g. B. are fixed rotating bodies on which the ballooning or rotating thread by means of a Proboscis is wound up and pulled off overhead.
  • Such thread stores are used primarily when using the double-wire principle and are arranged centrally above the spindle, the thread then being wound up on the rotating body as a result of its ballooning movement.
  • a one-sided swiveling switching tongue is arranged on the surface line of the rotating body, which is wound over with increasing thread quantity and thereby carries out the quantity-dependent switching.
  • the thread storage device must be robust, must store a relatively large amount of thread and, in addition, may only cause low run-off tensions and thread tension fluctuations in the running thread.
  • such a thread store consists of two essentially parallel pins which are wrapped by the thread. These pins can under the action of an external force, for. B. gravity or spring force, a relative movement away from each other and under the action of the thread tension a relative movement to each other.
  • an external force for. B. gravity or spring force
  • the spindle and the thread feeder are switched on. If the distance is increased beyond a predetermined amount, the spindle drive and the conveyor are switched off. The amount of thread is determined by the mutual distance.
  • Such a thread store consists, for example, of a fixed shaped bracket and a swivel thread guide that can be pivoted about a swivel bearing, with an energy store moving the swivel thread guide in the direction from the fixed one
  • the shaped bracket is loaded away and the swivel thread guide interacts with the switching lug of a microswitch for switching the drive motor on and off.
  • the thread is guided at least in the last part of the thread balloon with the help of a deposit nozzle rotating around the twisting spindle and placed on a fixed rotating body connected to the machine frame and from the side of the rotating body facing the spindle through a central one Drilled hole withdrawn, the rotary body also serves as a thread store with quantity sensing and forms the thread conveyor together with the deposit nozzle.
  • the rotary body preferably has the shape of a circular cylinder, but it can also, for example to facilitate the yarn withdrawal, essentially have the shape of a hyperboloid delimited by the plane of symmetry lying perpendicular to the axis of symmetry, the mouthpiece of the nesting trunk close to the yarn in a defined diameter range the larger end face, for example on a provided bead.
  • the quantity scanning can be accommodated, for example, in a longitudinal switching slot of the rotating body. It consists of a switching tongue protruding from the slot when the thread store is empty, which, pushed through the thread turns into the slot, actuates the switching lug of a switch (microswitch) in the motor circuit and switches off the motor.
  • a switch microswitch
  • this thread store also serves as a thread conveyor, so that when the spindle is switched on and off, the thread conveyor is simultaneously switched on and off.
  • the spindle 8 is rotatably supported by means of the bearings 13. At its upper end, it carries a bobbin 3, which carries the supply bobbin 1.
  • the threads 6 running from the supply bobbins 1 are deflected in the direction of the spindle axis via a ring 5 which is arranged concentrically with the spindle 8 and which is connected to the hub 12 of the bobbin plate 3 via a support rod 18 and enter a central thread channel 19 of the spindle 8 a.
  • the twisted yarn 11 on the balloon thread guide 10 is deflected and guided via thread guides 17, 21 to a thread delivery mechanism which consists of the rear spindle end 31 and a pressure roller 35 pressed resiliently against the spindle end 31 by means not shown.
  • the pressure roller is rotatably mounted in a fork 34 pivotally attached to the housing part 33. From the delivery mechanism 31, 35, the thread is guided further to a thread store 39 which, in the embodiment shown, consists of a fixed thread guide rod 22 and a thread guide lever 23 which can be pivoted about a pivot axis 25 against the action of a compression spring 26.
  • the spindle 8 is driven by a motor 27 with the aid of a pulley 28 seated on the motor axis and a pulley 29 connected to the former via the belt 30 and seated on the spindle.
  • a microswitch 38 is arranged in the area of action of the thread guide lever 23, the switching lug 37 of which interacts with a plate 36 on the thread guide lever 23. When the thread guide lever 23 is pivoted down as shown, there is no contact between the switching lug 37 and the switching plate 36, the motor is switched off. If the yarn supply in the yarn store 39 is so small that the lever 23 is pivoted against the spring 26 in the direction of the thread guide rod 22, the microswitch 38 is actuated with the aid of the plate 36 and the motor 27 is switched on.
  • the spindle 8 and thus the delivery mechanism 31, 35 formed by its end 31 together with the pressure roller 35 starts to move and conveys the yarn 11 into the yarn store 39.
  • the pressure of the spring 26 increases with becoming yarn supply, the thread guide or switching lever 23 is slowly pivoted away from the thread guide rod 22 and finally, when the intended thread supply in the thread store 39 is reached, the switching lug 37 is released, the motor is switched off.
  • a sleeve 32 is placed on the rear spindle end 31.
  • the spindle end 31 itself as an effective conveying surface or sleeves 32 of different diameters pushed onto the spindle end, the ratio of thread conveying speed and spindle speed, so that the degree of twist, can be varied within relatively wide limits.
  • the pushed-on sleeve 32 lies against one end of a collar or stop 40. To ensure a rotationally fixed connection, end faces of the sleeves 32 and collar 40 can have notches which fit into one another.
  • the thread emerging from the spindle 8 at 20 enters directly into a depositing trunk 42 which is connected to the spindle 8 and forms part of the same, which thread it in the region of the balloon tip onto a fixed rotating body connected to the machine frame 4 44, for example, deposits a cylinder or a hyperboloid by means of its mouthpiece 43.
  • the yarn 16 is introduced on the side 46 of the rotary body 44 facing the spindle 8 into its central bore 49 and drawn off as the finished yarn 41.
  • FIG. 2 a form of the thread conveying device that is substantially different from that of FIG. 1 is selected.
  • the rotating body 44 is here also thread or yarn storage 39 and part of the thread conveying device consisting of the rotating body 44 and the rotating trunk 42 with the twist spindle 8 as part of it, with its mouthpiece 43.
  • a cylindrical body of rotation is shown. 4 is a hyperboloid that is cut off in the normal plane in which it has the smallest diameter.
  • the ratio of the thread speed to the spindle speed can be changed by exchanging the rotating body for those with different effective diameters. It is particularly advisable in the case of non-cylindrical shapes, possibly chosen to facilitate the running of the yarn, such as, for example, that shown in FIG. 4, to keep the distance between the mouthpiece 43 and the surface of the rotating body 44 as small as possible.
  • the yarn wound on the rotary body 44 as a thread storage device 39 is introduced in a loop 47 into a central bore 49 of the body 44 on the side facing the spindle 8 and is drawn off centrally through this .
  • a switching slot 50 is incorporated into the surface of the rotating body 44 (see FIG. 3), in which a switching tongue 51 and a microswitch 38 with a switching lug 37 are located are accommodated. If the rotary body 44 is not wound, the switching tongue 51 protrudes from the switching slot 50. With the winding starting from the right end (in the drawing) with the thread tension prevailing in the balloon 16, the switching tongue 51, shown here as a shaped spring plate, is continuously pressed further into the switching slot 50 until it finally actuates the switching lug 37 of the switch 38 and the motor 27 turns off. When the yarn supply 39 is processed, the switching tongue is released again, which ultimately leads to the drive 27 being switched on again.
  • a double-wire twist spindle 8 is rotatably supported horizontally in bearings 13 in the stand 4.
  • the bobbin 3 is floatingly supported in bearings 14 on the twisting spindle 8. It is held in a floating position by weight 15, which is mounted rotationally asymmetrically.
  • a large number of bobbin holders 2, for example mandrels, are attached to the bobbin 3.
  • Supply spools 1 with yarns of different colors are attached to these spikes. 5 shows two such supply coils.
  • An axially parallel rod 18 is fastened to the hub 12 of the coil plate. At the end of the rod 18 the drain thread guide 5, which has the shape of a ring, sits centrally to the spindle.
  • the spindle is equipped with a central bore 19 which extends through the bearing 14 and bends behind it in the radial direction and then ends in a radial balloon thread guide 56.
  • the balloon thread guide 56 extends essentially in the radial direction and is designed here as a slotted tube (in FIG. 1 as a radial rod with deflection eyes).
  • the stationary balloon thread guide 10 is located on the other side of the spindle and centrally above the spindle. This is preceded by a thread conveyor 32 in the form of a rotatably driven roller. Pressure roller 35 is against by a spring pressed the role of the conveyor 32.
  • a pulley 58 is positively placed on the roller of the thread conveyor 32.
  • a thread guide 17, which is arranged stationary, serves the purpose of guiding the thread onto the thread store 39.
  • the thread store 39 consists of two rods 22 and 23 arranged side by side in a common plane, which can make a relative movement to one another in the sense of a change in their distance.
  • the rod 23 is designed as a pivot lever and can be pivoted about pivot bearing 25.
  • the other rod 22 is rigidly cantilevered.
  • the bearing end of the pivot lever 23 has a switching cam 36 which interacts with the switching lug 37 of a stationary switch 38.
  • the spindle end 31 is hollow. Pulleys 29 with different diameters can be positively connected to the spindle end.
  • the pulleys 29 have a peg 57 which fits into the hollow spindle end 31 and can be clamped in a form-fitting manner axially and in the circumferential direction.
  • Motor 27 and shaft 60 on the one hand drive the spindle synchronously via drive belt 30 and pulley 29 and on the other hand the thread conveyor 32 via drive belt 59 and pulley 38.
  • the speed ratio can be determined by selecting a belt pulley 29 with the desired diameter for the spindle end 31.
  • the thread is guided over the stationary thread guide 17 into the area of the clamping end of the rods 22, 23 and looped several times, for example twice around the rods 22 and 23 of the thread store 39, the thread leaves the thread store through the thread eyes 62, 63 at the end of the Bars 22 or 23
  • the thread is now placed, for example, on a hand-knitting machine or a hand-operated ball winder (not shown). If the hand knitting machine or the ball winder is started or if the knitter needs thread for hand knitting and the thread is pulled in the direction of arrow 64, the thread length with which the thread wraps around the rods 22 and 23 is reduced.
  • the rod 23 (pivot lever) is pivoted until the switching cam 36 comes into contact with the switching lug 37 of the microswitch.
  • the motor is switched on and the conveyor 32 and the spindle 8 are started synchronously.
  • the thread is drawn off the supply spools 1 by the conveyor.
  • the pivot lever 23 which is spring-loaded or - as in executed example shown - is loaded by weight 65, pivoted such that the distance between the fixed rod 22 and the pivot lever 23 increases.
  • the memory 39 acts as a material buffer.
  • the thread store 39 acts as a measuring device for the thread consumption and the thread feed and thus as a control element in a two-point control loop through which the provision of twisted thread is adjusted to consumption. Fluctuations in the processing speed are compensated for by the pivoting movements of the pivoting lever 23. At the end of consumption, twisting and conveying are interrupted when the storage has reached its filling, which is predetermined by the relative arrangement of the switch 38.
  • the color composition of the finished thread can be changed at any time by exchanging one or more supply spools 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP87105009A 1986-04-11 1987-04-04 Dispositif pour le retordage de fils Expired - Lifetime EP0240956B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87105009T ATE53611T1 (de) 1986-04-11 1987-04-04 Fadenzwirngeraet.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19863612321 DE3612321A1 (de) 1986-04-11 1986-04-11 Fadenzwirngeraet
DE3612321 1986-04-11
DE3635460 1986-10-18
DE19863635460 DE3635460A1 (de) 1986-10-18 1986-10-18 Fadenzwirngeraet

Publications (3)

Publication Number Publication Date
EP0240956A2 true EP0240956A2 (fr) 1987-10-14
EP0240956A3 EP0240956A3 (en) 1988-02-10
EP0240956B1 EP0240956B1 (fr) 1990-06-13

Family

ID=25842836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105009A Expired - Lifetime EP0240956B1 (fr) 1986-04-11 1987-04-04 Dispositif pour le retordage de fils

Country Status (3)

Country Link
US (1) US4754599A (fr)
EP (1) EP0240956B1 (fr)
DE (1) DE3763202D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564268A (en) * 1994-04-08 1996-10-15 Ceeco Machinery Manufacturing Ltd. Apparatus and method for the manufacture of uniform impedance communication cables for high frequency use
WO1996041908A1 (fr) * 1995-06-09 1996-12-27 Ceeco Machinery Manufacturing Ltd. Dispositif et procede pour fabriquer des cables de communication a impedance uniforme destines a etre utilises pour les hautes frequences
CN105374270A (zh) * 2015-11-23 2016-03-02 吕畅宇 中学静电除尘绕纱演示装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848078A (en) * 1988-07-05 1989-07-18 White Frances H Flyer for textile apparatus
DE4431830C1 (de) * 1994-09-07 1995-10-26 Palitex Project Co Gmbh Verfahren zum Anspinnen eines Fadens in einer Vorrichtung zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß sowie Vorrichtung zur Durchführung des Verfahrens
DE202015007655U1 (de) * 2015-11-06 2015-11-23 Saurer Germany Gmbh & Co. Kg Kablierspindel
CN111876864A (zh) * 2020-08-14 2020-11-03 东台远欣机械有限公司 一种捻线机用可调式安全导线装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE568191C (de) * 1933-01-16 Adolf Meyer Doppeldraht-Zwirnspindel
DE812574C (de) * 1944-10-01 1951-09-03 Glanzstoff Ag Verfahren und Doppeldrahtzwirnspindel zur Herstellung gezwirnter Kunstseide
FR1294927A (fr) * 1961-04-21 1962-06-01 Rop Bureau Régulateur de débit pour fil textile
DE2015668A1 (en) * 1969-04-05 1970-10-15 Weisse, Johannes, Mailand (Italien) Twisting machine for knitting yarn
EP0018926A1 (fr) * 1979-05-04 1980-11-12 Société dite: ASA S.A. (société anonyme) Dispositif pour le retordage d'un fil par double torsion

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586038A (en) * 1951-01-23 1952-02-19 American Viscose Corp Uniform strand tension device
US2586123A (en) * 1951-01-23 1952-02-19 American Viscose Corp Uniform strand tension device
US2728185A (en) * 1952-03-01 1955-12-27 Alfred W Vibber Twisting spindle balloon control
US2732680A (en) * 1953-03-12 1956-01-31 vibber
US2871648A (en) * 1957-11-04 1959-02-03 Alfred W Vibber Twisting spindle balloon control
US3172247A (en) * 1959-10-05 1965-03-09 Textile & Chem Res Co Ltd Double twist cabling apparatus
US3238711A (en) * 1963-11-12 1966-03-08 Western Electric Co Wire depletion control for wire twisting apparatus
US3295304A (en) * 1964-09-09 1967-01-03 Apparatus for twisting and plying strands
US3499277A (en) * 1967-06-06 1970-03-10 Alfred W Vibber Apparatus for twisting and plying strands
JPS5551046B2 (fr) * 1972-05-26 1980-12-22
DE3015044A1 (de) * 1980-04-18 1981-10-29 HAMEL GmbH Zwirnmaschinen, 4400 Münster Doppeldrahtzwirneinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE568191C (de) * 1933-01-16 Adolf Meyer Doppeldraht-Zwirnspindel
DE812574C (de) * 1944-10-01 1951-09-03 Glanzstoff Ag Verfahren und Doppeldrahtzwirnspindel zur Herstellung gezwirnter Kunstseide
FR1294927A (fr) * 1961-04-21 1962-06-01 Rop Bureau Régulateur de débit pour fil textile
DE2015668A1 (en) * 1969-04-05 1970-10-15 Weisse, Johannes, Mailand (Italien) Twisting machine for knitting yarn
EP0018926A1 (fr) * 1979-05-04 1980-11-12 Société dite: ASA S.A. (société anonyme) Dispositif pour le retordage d'un fil par double torsion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564268A (en) * 1994-04-08 1996-10-15 Ceeco Machinery Manufacturing Ltd. Apparatus and method for the manufacture of uniform impedance communication cables for high frequency use
US5622039A (en) * 1994-04-08 1997-04-22 Ceeco Machinery Manufacturing Limited Apparatus and method for the manufacture of uniform impedance communications cables for high frequency use
WO1996041908A1 (fr) * 1995-06-09 1996-12-27 Ceeco Machinery Manufacturing Ltd. Dispositif et procede pour fabriquer des cables de communication a impedance uniforme destines a etre utilises pour les hautes frequences
CN105374270A (zh) * 2015-11-23 2016-03-02 吕畅宇 中学静电除尘绕纱演示装置
CN105374270B (zh) * 2015-11-23 2017-12-05 吕畅宇 中学静电除尘绕纱演示装置

Also Published As

Publication number Publication date
US4754599A (en) 1988-07-05
DE3763202D1 (de) 1990-07-19
EP0240956A3 (en) 1988-02-10
EP0240956B1 (fr) 1990-06-13

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