US20060230737A1 - Device for the automatic doffing of bobbins in a crosswinding machine - Google Patents

Device for the automatic doffing of bobbins in a crosswinding machine Download PDF

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Publication number
US20060230737A1
US20060230737A1 US11/389,814 US38981406A US2006230737A1 US 20060230737 A1 US20060230737 A1 US 20060230737A1 US 38981406 A US38981406 A US 38981406A US 2006230737 A1 US2006230737 A1 US 2006230737A1
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US
United States
Prior art keywords
bobbin
rolling chute
bobbins
rolling
crosswinding
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.)
Abandoned
Application number
US11/389,814
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English (en)
Inventor
Roberto Badiali
Maurizio Antoniel
Giorgio Colomberotto
Luciano Bertoli
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.)
Savio Macchine Tessili SpA
Original Assignee
Savio Macchine Tessili 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.)
Filing date
Publication date
Application filed by Savio Macchine Tessili SpA filed Critical Savio Macchine Tessili SpA
Assigned to SAVIO MACCHINE TESSILI S.P.A. reassignment SAVIO MACCHINE TESSILI S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANTONIEL, MAURIZIO, BADIALI, ROBERTO, BERTOLI, LUCIANO, COLOMBEROTTO, GIORGIO
Publication of US20060230737A1 publication Critical patent/US20060230737A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • B65H67/0411—Arrangements for removing completed take-up packages or for loading an empty core for removing completed take-up packages
    • 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 a device for the automatic doffing of bobbins in a crosswinding machine and for the substitution of a bobbin which has reached the pre-established dimensions, with a new tube around which the yarn coming from a feeding pirn is wound to form a new bobbin.
  • crosswinding procedures essentially consist of unwinding operations of the yarn from feeding pirns, cleaning the yarn from possible faults and its crosswinding onto tubes, according to forms and dimensions which vary according to the destination of the yarn.
  • the bobbins are normally cylindrical, or truncated-conical with a low conicity, if, on the contrary, the yarn is destined for feeding low-speed machines, the bobbins are truncated-conical with a higher conicity.
  • the degree of conicity is selected so as to always ensure a correct unwinding of the bobbins during their final use, in the presence of more or less strong centrifugal forces.
  • a crosswinding machine allows the contemporaneous crosswinding of a series of bobbins, i.e. it normally comprises a series of devices for the formation of bobbins, so-called crosswinding heads, positioned side by side, and served by at least one common service device, also called trolley, which can run along the whole crosswinding machine, positioning itself in correspondence with each crosswinding head and which effects, in an automated manner, various operations which are cyclically required by each crosswinding head, among which, in particular, the substitution of bobbins which have reached the pre-established dimensions with a new winding tube around which a new bobbin is formed.
  • the doffing operation of a bobbin and its substitution envisages stopping the crosswinding head, cutting the yarn and withholding its end coming from the pirn, removing the bobbin which has reached the pre-established dimensions and substituting it with a new tube to which the yarn end coming from the pirn is fastened to restart the crosswinding.
  • the removed bobbin is sent to a conveyor belt which runs along the crosswinding machine, to receive the completed bobbins coming from the various crosswinding heads.
  • Doffing operations of a bobbin require the intervention of the common service device which, in cooperation with the devices already positioned on the crosswinding head, recovers the yarn end coming from the pirn, removes the completed bobbin, positions the new winding tube and arranges the yarn end on the new winding tube.
  • the transfer of the bobbin to the conveyor belt is conveniently effected by rolling the bobbin along a tilted surface situated between the formation position of the bobbin and the position of the conveyor belt.
  • a tilted surface situated between the formation position of the bobbin and the position of the conveyor belt.
  • the rolling is facilitated by dividing the course of the bobbin towards the conveyor belt into several parts, with intermediate stops which prevent the bobbin from gaining speed while rolling and at the same time allowing its position to be adjusted.
  • the division of the bobbin course is obtained by means of levers which can rotate around a rotation axis, between a position in which they intercept the bobbin along its run and a position in which they are lifted and let the bobbin pass. The levers can also be rotated so as to push the bobbin.
  • An objective of the present invention is therefore to ensure the correct rolling of the bobbin towards the conveyor belt, by proposing means capable of forming a series of stop and start points of the bobbin in its rolling, and reducing the number of necessary driving elements.
  • a further objective of the present invention is to guarantee a greater productivity of the crosswinding machine through a greater operating factor.
  • FIGS. 1-5 of the enclosed drawings schematically show some of the devices of a crosswinding head during a succession of operating phases.
  • these show in particular a bobbin 1 , a supporting arm of the bobbin, commonly called bobbin-holder arm 2 , a driving and traversing cylinder 3 (which collaborates with the formation of the bobbin and whose presence and function have nothing to do with the specific object of the present invention), a conveyor belt 4 and a rolling chute 5 , for allowing the bobbin 1 to roll by gravity from its formation position, on the bobbin-holder arm 2 , to the conveyor belt 4 .
  • FIG. 1 Under operating conditions, FIG. 1 , a yarn (not shown), which is unwound from a pirn (not shown) and after passing through a series of devices whose function is to eliminate faults of the yarn itself, is wound around the bobbin 1 .
  • the yarn coming from the pirn is cut and the rotation of the bobbin 1 is interrupted.
  • the bobbin-holder arm 2 is induced to release the bobbin 1 , which falls onto the rolling chute 5 and is stopped by a stopping element 6 , integral with the structure of the crosswinding head, which crosses the surface of the rolling chute 5 in correspondence with an opening 12 .
  • the constraint between the stopping element 6 and the structure of the crosswinding head can conveniently have a certain degree of elasticity, for example by supporting the stopping element 6 with an elastic lamella 13 .
  • the bobbin-holder arm 2 is lifted and, during its movement, engages the lower surface of the rolling chute 5 , by exerting upward pressure on the same, with a counter-edge element 7 .
  • the rolling chute 5 is hinged on a rotation pin 8 , integral with the structure of the crosswinding head, positioned under the rolling chute 5 in a shifted position towards the conveyor belt 4 with respect to the contact point between the rolling chute 5 and the counter-edge element 7 integral with the bobbin-holder arm 2 .
  • the pressure exerted by the counter-edge element 7 on the rolling chute 5 therefore causes a rotation of the rolling chute around the rotation pin 8 , causing a difference in level between the two ends of the rolling chute 5 itself.
  • the bobbin 1 When the lifting of the portion of the rolling chute 5 on which the bobbin 1 is situated is such as to exceed the height of the stopping element 6 , the bobbin 1 is released and, by force of gravity, begins rolling along the rolling chute 5 , in the direction of the conveyor belt 4 .
  • the end of the rolling chute 5 facing the conveyor belt 4 consists of a flap 9 , hinged around a hinge 10 and resting on a supporting counter-edge 11 .
  • a flap 9 hinged around a hinge 10 and resting on a supporting counter-edge 11 .
  • the bobbin-holder arm 2 is returned to its original position. Consequently, the rolling chute 5 also returns to its original position and the flap 9 rotates around the hinge 10 until it has formed an aligned position with the rolling chute 5 .
  • the position of the flap 9 is determined by the supporting counter-edge 11 , which prevents the rotation of the flap 9 around the hinge 10 from continuing beyond the alignment position with the conveyor belt 4 .
  • the very weight of the portion of rolling chute 5 facing the formation position of the bobbin 1 is such that, without the pressure exerted by the counter-edge element 7 of the bobbin-holder arm 2 , the rolling chute 5 automatically returns to its original position, also in the presence of the bobbin 1 on the end of its portion facing the conveyor belt.
  • means can be provided for facilitating the return of the rolling chute 5 to its original position.
  • the portion of rolling chute 5 facing the conveyor belt 4 is preferably slightly tilted towards the conveyor belt with respect to the remaining part, forming a slight difference in level which helps the rolling of the bobbin 1 towards the conveyor belt 4 .
  • the bobbin 1 begins to roll from a stop position and as the remaining distance to be covered by the bobbin 1 with said rolling movement, is short, the bobbin 1 is prevented from accelerating and gaining an undesired speed; the bobbin 1 , on the contrary, is delicately positioned on the conveyor belt 4 .
  • the rolling chute 5 can be equipped with one or more raised side edges (not shown), in particular on the side of the rolling chute 5 towards which the conicity of the bobbin is facing.
  • This expedient already used also for devices produced according to the known art, helps to prevent the bobbins from effecting a curvilinear trajectory during their rolling, which would induce them to be in a transversal position with respect to the direction towards the conveyor belt.

Landscapes

  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve Device For Special Equipments (AREA)
US11/389,814 2005-04-13 2006-03-27 Device for the automatic doffing of bobbins in a crosswinding machine Abandoned US20060230737A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2005A000630 2005-04-13
IT000630A ITMI20050630A1 (it) 2005-04-13 2005-04-13 Dispositovo per la levata automatica di rocche in una macchina roccatrice

Publications (1)

Publication Number Publication Date
US20060230737A1 true US20060230737A1 (en) 2006-10-19

Family

ID=36687966

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/389,814 Abandoned US20060230737A1 (en) 2005-04-13 2006-03-27 Device for the automatic doffing of bobbins in a crosswinding machine

Country Status (6)

Country Link
US (1) US20060230737A1 (it)
EP (1) EP1712508B1 (it)
CN (1) CN100560460C (it)
AT (1) ATE398596T1 (it)
DE (1) DE602006001481D1 (it)
IT (1) ITMI20050630A1 (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107352325A (zh) * 2017-08-03 2017-11-17 上海海石花纺织机械设备有限公司 筒纱卸纱用缓冲省力滑道机构
CN109179083A (zh) * 2018-09-28 2019-01-11 陕西华燕航空仪表有限公司 一种纱卷滚出装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011105431A (ja) * 2009-11-16 2011-06-02 Murata Machinery Ltd 巻取機
DE102013018985A1 (de) 2013-11-13 2015-05-13 Saurer Germany Gmbh & Co. Kg Verfahren zum Durchführen eines Kreuzspulenwechsels an einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine sowie zugehörige Kreuzspulen herstellende Textilmaschine.
CN112093583B (zh) * 2020-09-24 2022-09-20 陕西华燕航空仪表有限公司 一种纺纱筒管定位装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125990A (en) * 1975-02-14 1978-11-21 Fritz Stahlecker Open-end spinning machine
US4277032A (en) * 1978-11-29 1981-07-07 Pietro Alberto Automatic apparatus for continuously forming cloth rolls
US4865260A (en) * 1986-09-29 1989-09-12 Savio S.P.A. Equipment and process to supply winding tubes to the individual winding stations of a textile machine
US5083716A (en) * 1987-02-27 1992-01-28 Savio, S.P.A. Device and method for automatically doffing bobbins in a winding machine
US5459990A (en) * 1993-10-14 1995-10-24 Tns Mills, Inc. Facility and method for producing yarn
US5765356A (en) * 1996-03-07 1998-06-16 Rieter Ingolstadt Spinnereimaschinenbau Ag Spinning machine tube transport and removal system
US6138937A (en) * 1997-11-15 2000-10-31 W. Schlafhorst Ag & Co. Method for operating a cheese-producing textile machine and a sensor device for such a machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879925A (en) * 1973-12-05 1975-04-29 Toyoda Automatic Loom Works Rotary doffer in automatic doffing apparatus
DE3842783C2 (de) * 1988-12-20 1993-10-14 Saurer Allma Gmbh Aufwärts-Zwirnmaschine, insbesondere Doppeldrahtzwirnmaschine
DE19520132A1 (de) * 1995-06-01 1996-12-05 Schlafhorst & Co W Kreuzspulen herstellende Textilmaschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125990A (en) * 1975-02-14 1978-11-21 Fritz Stahlecker Open-end spinning machine
US4277032A (en) * 1978-11-29 1981-07-07 Pietro Alberto Automatic apparatus for continuously forming cloth rolls
US4865260A (en) * 1986-09-29 1989-09-12 Savio S.P.A. Equipment and process to supply winding tubes to the individual winding stations of a textile machine
US5083716A (en) * 1987-02-27 1992-01-28 Savio, S.P.A. Device and method for automatically doffing bobbins in a winding machine
US5459990A (en) * 1993-10-14 1995-10-24 Tns Mills, Inc. Facility and method for producing yarn
US5765356A (en) * 1996-03-07 1998-06-16 Rieter Ingolstadt Spinnereimaschinenbau Ag Spinning machine tube transport and removal system
US6138937A (en) * 1997-11-15 2000-10-31 W. Schlafhorst Ag & Co. Method for operating a cheese-producing textile machine and a sensor device for such a machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107352325A (zh) * 2017-08-03 2017-11-17 上海海石花纺织机械设备有限公司 筒纱卸纱用缓冲省力滑道机构
CN109179083A (zh) * 2018-09-28 2019-01-11 陕西华燕航空仪表有限公司 一种纱卷滚出装置

Also Published As

Publication number Publication date
DE602006001481D1 (de) 2008-07-31
EP1712508B1 (en) 2008-06-18
CN100560460C (zh) 2009-11-18
ATE398596T1 (de) 2008-07-15
CN1847129A (zh) 2006-10-18
EP1712508A1 (en) 2006-10-18
ITMI20050630A1 (it) 2006-10-14

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SAVIO MACCHINE TESSILI S.P.A., ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BADIALI, ROBERTO;COLOMBEROTTO, GIORGIO;ANTONIEL, MAURIZIO;AND OTHERS;REEL/FRAME:017686/0270

Effective date: 20060324

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION