EP0070814A1 - Vorrichtung für den Fadenspannungsausgleich während des Aufwindevorganges in Textilmaschinen - Google Patents

Vorrichtung für den Fadenspannungsausgleich während des Aufwindevorganges in Textilmaschinen Download PDF

Info

Publication number: EP0070814A1
Authority: EP; European Patent Office
Prior art keywords: sliver; bobbin; compensator device; fact; compensator
Prior art date: 1981-07-20
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

EP82830206A

Other languages

English (en)

French (fr)

Other versions

EP0070814B1 (de

Inventor

Galeno Ceccacci

Ferdinando Viaggi

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.)

Officine Savio SpA

Savio SpA

Original Assignee

Officine Savio SpA

Savio SpA

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.)

1981-07-20

Filing date

1982-07-12

Publication date

1983-01-26

1981-07-20 Priority claimed from IT8183437A external-priority patent/IT8183437A0/it

1982-02-10 Priority claimed from IT83322/82A external-priority patent/IT1158066B/it

1982-07-12 Application filed by Officine Savio SpA, Savio SpA filed Critical Officine Savio SpA

1983-01-26 Publication of EP0070814A1 publication Critical patent/EP0070814A1/de

1986-09-24 Application granted granted Critical

1986-09-24 Publication of EP0070814B1 publication Critical patent/EP0070814B1/de

Status Expired legal-status Critical Current

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Images

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
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/12—Tubes
- 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
- B65H59/005—Means compensating the yarn tension in relation with its moving due to traversing arrangements
- 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
- B65H2701/311—Slivers

Definitions

This invention concerns a compensator device for the car-. riage that winds bobbins in textile machines with one or more bobbins, said device being suitable for enabling the sliver leaving a drawing frame or derived machine to be taken up.
the main object of the invention is to provide a compen- . sator device able to convey, and maintain a constant length . of the sliver between the exit of the drawing frame or derived machine and the intake of the sliver itself by the re-. volving funnel of the traversing carriage that winds bobbins.
Our invention fulfils its purpose of guiding the sliver along an obligatory path of an always constant length with a compensator device of flexible nature which is of simpler - and more solid construction than the known devices and which. also enables the length of the path between the delivery point and the take-up spindle to be kept as short as possible.
the present invention proposes compensator device. characterized by consisting of a sliver flexible support ar-. ranged in a bow-shape and flexibly anchored at one end to the exit of the drawing frame delivery calender and at its other end to the bobbin-winding carriage trasversing along the yarn bobbin being formed along which flexible support the sliver is constrained to run at a constant arc length.
the com-. pensator device consists of at least one flexible element which has a constant length and is arranged in a bow-shaped . position between the delivery calender and the bobbin-wind- . ing carriage moving backwards and forwards along the bobbin . being wound, and which is anchored at its free end by means. of a support to said carriage and fixed end to a support located near said delivery calender, and which has a curva- . ture varying with the variation in distance between its two . ends and able to compensate for the variation in distance between the delivery point of the sliver from the calender and the point where said sliver is caused to be deposited on the bobbin owing to the movement of the carriage.
the compensator device includes at least two articuled joints each of which is placed between one end of said flexible bow-shaped element and the relative support, both said joints being able to prevent the torsional stressing of said. flexible element during the movement of the carriage, and a series of substantially tubular sliver-guide elements installed elastically on said flexible element and able to guide the path of the sliver, whereby said elements have their end portions flared where the sliver enters and leaves them, so as to prevent said sliver scraping against the end surfaces of said tubular elements.
the compensator device of. the invention consists essentially of a spring steel wire wound in coils with a spiral having its diameter and coil pitch differentiated in at least three different tracts, whereby the compensator is anchored at one end to the exit of the drawing frame calender and at its other end to the bobbin-winding carriage trasversing along the yarn package being formed and whereby the sliver runs insides said coils.
the . spirals of the first and last tracts have greater coil pitch. and smaller diameter as compared to the middle tract and have the task of guiding the sliver and the additional task . of imparting a false twist to it at the same time.
one of the spirals or both the spirals of the first and last. tracts impart to the sliver a false twist which runs in the . reverse direction in respect of the feed of the sliver itself.
the compensator device of this embodiment has the low inertia needed to resist the fat. igue stress generated by its alternating movement in winding. the yarn package.
An advantage provided by the compensator device of the latter embodiment lies in the fact that its low inertia fa- . cilitates the rapid alternating movement of the bobbin-wind-. ing carriage.
the inlet of the com- . pensator device is secured to the drawing frame or like ma- . chine with appendages which are clamped downstream from the . calender and the outlet of the compensator device is secured. to the bobbin-winding carriage with an appendage of the sliver exit guide.
the inlet of the second embodiment con-. sists of two closed coils which have the task of giving . necessary elasticity for the alternating movement of the com. pensator device, which swings and pivots on said coils in . the vertical and horizontal planes.
the actual length of the compensator . device does not vary with the variation of the position of the bobbin-winding carriage and therefore the length of the . sliver running within the compensator device remains stricly- constant, thus leading to perfect compensation.
Figures 1 and 2 show the compensator device 10 of the in-. vention according to a first embodiment and the sliver 112 of fibres leaving the delivery calender 14 of the drawing frame 12 and being wound onto the bobbin 15 upheld by the spindle 16 of the take-up group.
the bobbin-winding carriage 18 running on a guide element. 19 is also shown.
Flexible bow-shaped sliver support 20 which may consist . of a couple of harmonic wires, flexible rods or like el- . ements is arranged between said delivery calender 14 and said carriage 18 and have their free ends 13 with supports 22 anchored to said carriage 18 and their fixed ends 11 to a support 23 located near said delivery calender 14.
Articulated joints 24 are located between each 11, 13 end. of said flexible elements 20 and the relative support 22.
the flexible support 20 have fixed thereon tubular sliver. guide elements 26 which have their end portions suitably flared, where the sliver enters and leaves them, so as to . prevent said sliver scraping against the end surface 28 of . said tubular elements 26.
the sliver 112 leaves the calender 14, and is made to pass within the . sliver-guide elements 26 and carriage 18 and is wound around.
the bobbin 15 on spindle 16 of the take-up group the path followed by the sliver 112 from the calender 14 to the car- .
riage 18 is kept to a constant length owing to the action of the flexible support 20, which, by varying their curva- . ture during the to-and-fro movement of the carriage 18, com-. pensate for the variation in distance between the delivery point of the sliver 112 from the calender 14 and the point where the sliver is caused to be deposited on the bobbin 15 . by said movement of the slider 18.
the flexible bow-shaped el- . ements 20 can also consist of foils of various materials or other flexible bodies; and that the sliver-guide elements 26 can be conformed and fitted differently without departing thereby from the scope of this embodiment.
Figs. 3 to 6 refer to a second embodiment of the compensator device 110 consisting of a sliver flexible support 120' which has an inlet head 11 secured with a support 122 to . the machine or drawing frame 12 substantially at the exit of the calender 14, and an outlet end 13 secured to the in- . let of a revolving funnel 17 borne by the bobbin-winding car. riage 18 moving with an alternating movement on the guide 19 located along the bobbin 15 fed with the sliver 112 . coming from the drawing frame or machine 12.
the sliver flexible support 120 of this embodiment consists preferably of spring wire wound in coils with a plurality of tracts of spirals having differentiated diameters and coil pitches.
the flexible support 120 consists essentially of spring steel wire wound in coils and stretching from the drawing frame 12 to the bobbin-winding carriage 18; said wire has a first tract 210 with coils spaced widely apart, a middle tract 310 acting as an elbow and having coils close together and with a larger diameter than the first tract 210, and a last tract 410 with coils spaced widely apart and a smaller diameter than the middle tract 310.
Anchorage means 30 and 31 respectively are envisaged at each end of the coiled wire and have the task of securing the inlet head 11 to the support 122 of the drawing frame 12 and the outlet end 113 to the bobbin-winding carriage 18..
Said anchorage means 30, 31 are solidly fixed to the rela. tive end portions 11, 13 of the coiled wire, and said end portions 11, 13 respectively consist advantageously of a num. ber of coils acting as an articulated joint and as a sliver . guide at the inlet and outlet of the wire.
the end portion at the inlet 11 con- . sists of two closed coils side by side 201 which have the task of providing the necessary elasticity for the alternating movement of the compensator device 110, which swings and pivots on the end coils 201 in the vertical and horizontal planes, whereby said two closed coils 201 are provided with appendages 130 that constitute the anchorage means 30 of fig. 5a clamped to the support 122 of the drawing frame 12..
the outlet end portion 13 consists likewise of a closed . coil 211 having an appendage 131 which constitutes the anchor. age means and cooperates with a joint 132 mounted on ball bearings located on the bobbin-winding carriage 18.
the coils of the first tract. 210 and/or last tract 410 can advantageously but not necess-. arily be wound in opposite directions such as to impart to . the sliver in the first tract a false twist that runs in the. reverse direction in respect of the feed of the sliver itself and to take away same in the last tract 410.
Fig. 6 shows a machine to which are fitted two compensator devices 110, according to the second embodiment, each . of which serves a winding station located at the side of the. machine.
the mode of operation of this embodiment is basically . similar to the first embodiment described herein before.
the wire may consist of another suitable metal;. it is possible to conform and fit the anchorage elements 30 - and 31 differently without departing thereby from the scope . of the invention.

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Spinning Or Twisting Of Yarns (AREA)

EP19820830206 1981-07-20 1982-07-12 Vorrichtung für den Fadenspannungsausgleich während des Aufwindevorganges in Textilmaschinen Expired EP0070814B1 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
IT8343781		1981-07-20
IT8183437A IT8183437A0 (it)	1981-07-20	1981-07-20	Dispositivo per uscita a bobine di stiratoio per fibre tessili.
IT8332282		1982-02-10
IT83322/82A IT1158066B (it)	1982-02-10	1982-02-10	Dispositivo compensatore per carro bobinatore nelle macchine tessili

Publications (2)

Publication Number	Publication Date
EP0070814A1 true EP0070814A1 (de)	1983-01-26
EP0070814B1 EP0070814B1 (de)	1986-09-24

Family

ID=26330050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19820830206 Expired EP0070814B1 (de)	1981-07-20	1982-07-12	Vorrichtung für den Fadenspannungsausgleich während des Aufwindevorganges in Textilmaschinen

Country Status (3)

Country	Link
EP (1)	EP0070814B1 (de)
AU (1)	AU8554382A (de)
DE (1)	DE3273451D1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1987007882A1 (fr) *	1986-06-20	1987-12-30	Tashkentskoe Spetsialnoe Konstruktorskoe Bjuro Tex	Dispositif de depot d'un materiau filamenteux
EP0295731A1 (de) *	1987-06-19	1988-12-21	SAVIO S.p.A.	Vorrichtung zur Erteilung eines Falschdralles für ein Textilfaserband
EP0295733A1 (de) *	1987-06-19	1988-12-21	SAVIO S.p.A.	Spiralförmiges Führungselement für Textilgarne zur Kompensation des verkehrten Drehsinnes
EP0321011A1 (de) *	1987-12-18	1989-06-21	SAVIO S.p.A.	Vorrichtung zum Zwirnen mit einer drehbaren Spirale für eine Textilmaschine während des Aufwindevorgangs
EP0321034A1 (de) *	1987-12-18	1989-06-21	SAVIO S.p.A.	Drehbares Spiralelement zur Erzeugung des Fadenspannungsausgleichs und des falschdrehens in einem textilen Faserband
CN120308754A (zh) *	2025-06-18	2025-07-15	湖南宏力纺织有限公司	一种纺纱绕线设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE659089A (de) *	1965-01-29
US2442817A (en) *	1944-12-21	1948-06-08	Jack B Lyle	Guide for running flexible material
DE1059321B (de) *	1957-10-15	1959-06-11	Chr Mann Maschinenfabrik	Beweglicher Bandfuehrer zum Wickeln von Kreuzspulen an Strecken oder Vorspinnmaschinen
GB883609A (en) *	1960-03-16	1961-12-06	Herbert Steinwandt	Movable sliver guide for winding cross-wound bobbins on draw frames or slubbing machines
GB1063181A (en) *	1964-03-09	1967-03-30	Michael Reiter	Textile machinery
US3518733A (en) *	1967-11-06	1970-07-07	Techniservice Corp	Strand treatment
US3670978A (en) *	1970-10-02	1972-06-20	Warner Swasey Co	Compensator device
GB1512373A (en) *	1974-07-25	1978-06-01	Gilchrist R	Yarn twisting device

1982
- 1982-07-02 AU AU85543/82A patent/AU8554382A/en not_active Abandoned
- 1982-07-12 EP EP19820830206 patent/EP0070814B1/de not_active Expired
- 1982-07-12 DE DE8282830206T patent/DE3273451D1/de not_active Expired

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2442817A (en) *	1944-12-21	1948-06-08	Jack B Lyle	Guide for running flexible material
DE1059321B (de) *	1957-10-15	1959-06-11	Chr Mann Maschinenfabrik	Beweglicher Bandfuehrer zum Wickeln von Kreuzspulen an Strecken oder Vorspinnmaschinen
GB883609A (en) *	1960-03-16	1961-12-06	Herbert Steinwandt	Movable sliver guide for winding cross-wound bobbins on draw frames or slubbing machines
GB1063181A (en) *	1964-03-09	1967-03-30	Michael Reiter	Textile machinery
BE659089A (de) *	1965-01-29
US3518733A (en) *	1967-11-06	1970-07-07	Techniservice Corp	Strand treatment
US3670978A (en) *	1970-10-02	1972-06-20	Warner Swasey Co	Compensator device
GB1512373A (en) *	1974-07-25	1978-06-01	Gilchrist R	Yarn twisting device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1987007882A1 (fr) *	1986-06-20	1987-12-30	Tashkentskoe Spetsialnoe Konstruktorskoe Bjuro Tex	Dispositif de depot d'un materiau filamenteux
AU592383B2 (en) *	1986-06-20	1990-01-11	Tashkentskoe Spetsialnoe Konstruktorskoe Bjuro Textilnykh Mashin	Device for deposition of filamentary material
EP0295731A1 (de) *	1987-06-19	1988-12-21	SAVIO S.p.A.	Vorrichtung zur Erteilung eines Falschdralles für ein Textilfaserband
EP0295733A1 (de) *	1987-06-19	1988-12-21	SAVIO S.p.A.	Spiralförmiges Führungselement für Textilgarne zur Kompensation des verkehrten Drehsinnes
EP0321011A1 (de) *	1987-12-18	1989-06-21	SAVIO S.p.A.	Vorrichtung zum Zwirnen mit einer drehbaren Spirale für eine Textilmaschine während des Aufwindevorgangs
EP0321034A1 (de) *	1987-12-18	1989-06-21	SAVIO S.p.A.	Drehbares Spiralelement zur Erzeugung des Fadenspannungsausgleichs und des falschdrehens in einem textilen Faserband
CN120308754A (zh) *	2025-06-18	2025-07-15	湖南宏力纺织有限公司	一种纺纱绕线设备

Also Published As

Publication number	Publication date
DE3273451D1 (en)	1986-10-30
AU8554382A (en)	1983-01-27
EP0070814B1 (de)	1986-09-24

Legal Events

Date	Code	Title	Description
1982-11-26	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1983-01-26	AK	Designated contracting states	Designated state(s): BE DE FR GB
1983-08-24	17P	Request for examination filed	Effective date: 19830620
1986-08-09	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1986-09-24	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB
1986-10-30	REF	Corresponds to:	Ref document number: 3273451 Country of ref document: DE Date of ref document: 19861030
1986-10-31	ET	Fr: translation filed
1987-07-20	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1987-07-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1987-09-09	26N	No opposition filed
1989-09-01	REG	Reference to a national code	Ref country code: FR Ref legal event code: CD
1992-04-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: 732
1992-07-03	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19920703 Year of fee payment: 11 Ref country code: FR Payment date: 19920703 Year of fee payment: 11
1992-07-15	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19920715 Year of fee payment: 11
1992-08-25	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19920825 Year of fee payment: 11
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1993-07-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Effective date: 19930731
1994-01-31	BERE	Be: lapsed	Owner name: SAVIO S.P.A. Effective date: 19930731
1994-03-09	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19930712
1994-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19940331
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1994-05-27	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

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