EP0267314A1 - Métier à filer - Google Patents

Métier à filer Download PDF

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Publication number
EP0267314A1
EP0267314A1 EP86115660A EP86115660A EP0267314A1 EP 0267314 A1 EP0267314 A1 EP 0267314A1 EP 86115660 A EP86115660 A EP 86115660A EP 86115660 A EP86115660 A EP 86115660A EP 0267314 A1 EP0267314 A1 EP 0267314A1
Authority
EP
European Patent Office
Prior art keywords
spinning
suction
spinning machine
spoke wheel
drafting
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.)
Withdrawn
Application number
EP86115660A
Other languages
German (de)
English (en)
Inventor
Gianfranco Valabrega
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.)
LANIFICIO DI NERVESA DELLA BATTAGLIA SpA
Original Assignee
LANIFICIO DI NERVESA DELLA BATTAGLIA 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 LANIFICIO DI NERVESA DELLA BATTAGLIA SpA filed Critical LANIFICIO DI NERVESA DELLA BATTAGLIA SpA
Priority to EP86115660A priority Critical patent/EP0267314A1/fr
Publication of EP0267314A1 publication Critical patent/EP0267314A1/fr
Withdrawn legal-status Critical Current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
    • D01H11/00—Arrangements for confining or removing dust, fly or the like
    • D01H11/005—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices
    • D01H11/006—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices travelling along the machines

Definitions

  • the invention refers to the spinning machines with a plurality of spinning places set in an aligned side-by-side relation, and comprising each a drafting assembly and a successive spinning unit, a fiber condenser being possibly arranged in the area of the pair of outlet rollers in the drafting assembly, and constructional elements that project in the upward direction sensibly over the operating members of the drafting assemblies, being provided between each one of the spinning places, or between groups of two or more spinning places.
  • the said constructional elements projecting upwardly from the drafting units consist of arms which carry the pressure rollers and/or other members performing a function, or being meant for adjusting the drafting assemblies, particularly both the drafting assemblies of two adjacent spinning places, which arms may be either stationary or movable arms and, more particularly, they may consist of so-called rocking or swing arms.
  • Both the drafting assemblies and the spinning units may be of any suitable type.
  • the spinning units consist of ring spinning units.
  • the suction applied by the suction member must have an excessive intensity, which may disturb the regular operation of the drafting assemblies and/or of any other devices associated with the spinning places, and such an intensity cannot be always obtained or, to be obtained, it requires high power aspirators having then great overall dimensions and prohibitive costs for their purchase and operation.
  • the invention aims to eliminate the above stated problems, and to provide also the spinning machines of the type as described in the preamble, with a pneumatic cleaning device applying an efficient cleaning suction on the drafting assemblies, and particularly on their fiber condensers, without increasing the suction intensity of the suction member above the one which was up to now applied in the other spinning machines having no upwardly projecting constructional elements, between each one of the spinning places, or between groups of spinning places.
  • the suction member of the pneumatic cleaning device which is movable in the one and the other direction along the spinning machine, consists of two or more suction nozzles forming a spoke wheel which is mounted for rotation around its axis that is orientated transversely to the direction of movement of the pneumatic cleaning device, and is located over the upper edge of the upwardly projecting constructional elements, between each one of the spinning places, or between groups of spinning places.
  • one suction nozzle in the suction nozzles spoke wheel is directed toward the area to be cleaned of the drafting assembly in each spinning place, particularly toward the area of the fiber condenser, and in operative position it extends as close as possible to said area.
  • a suction nozzle which is in operative position, abuts against the upwardly projecting constructional element between two successive spinning places or between two successive groups of spinning places, and thus automatically brings about the rotation of the spoke wheel formed by the suction nozzles, so as to cause the suction nozzles spoke wheel to pass over the said upwardly projecting constructional element, and to turn another suction nozzle in this spoke wheel toward the area to be cleaned of the drafting assembly in the successive spinning place or places.
  • Such an operation is obtained in both of the travel directions of the pneumatic cleaning device along the spinning machine.
  • the suction member of the pneumatic cleaning device is allowed to come in the highest possible degree near to the area to be cleaned of the drafting assemblies in the several spinning places of the spinning machine, notwithstanding the constructional elements that project in the upward direction over the operative members of the drafting assemblies, between each one of the spinning places, or between groups of spinning places. Consequently, the suction intensity of the suction member can be maintained within acceptable limits from the viewpoint of operation and economy.
  • the shown spinning machine consists, in known manner, of a plurality of spinning places set in an aligned side-by-side relation, and comprising each a spinning unit 1, such as, for example, a ring spinning unit, with an anti-balloon ring 2 and a supply thread guide ring 3 being associated therewith.
  • Each spinning place comprises also a drafting assembly 4 arranged upstream of the respective spinning unit 1, between this unit and a relative delivery bobbin 9, which is mounted in an overlying bobbin creel 10.
  • the drafting assemblies 4 may be made in any suitable manner, and comprise each a pair of inlet rollers 5 and a pair of outlet rollers 6.
  • a pair of tapes 7, which however may be omitted, or may be replaced with any other guide means, for example, with only one lower tape cooperating with an overlying roller, or with one or more pairs of rollers, or the like.
  • a fiber condenser which may be made in any suitable known manner, is arranged between these rollers and the tapes 7.
  • an arm 11 so-called swing arm, which is pivotally connected at 12 to the spinning machine frame 13, and carries the upper rollers (pressure rollers) of the pairs of inlet rollers 5 and outlet rollers 6, as well as the upper tape of the two superposed tapes 7 or the upper roller cooperating with the lo were tape 7, of both of the drafting assemblies 4 which are associated with a swing arm 11 and are arranged at both sides thereof.
  • Each swing arm 11 may also carry the cleaning rollers (not shown) for the two drafting assemblies 4 that are associated therewith.
  • the arms 11 extend in the upward direction sensibly over the operating members of the drafting assemblies 4, particularly over the path of the threads or rovings through the said drafting assemblies 4, and thus over the condensers 8, as it appears particularly in figure 2. Since the swing arms 11 are each associated with two side-by-side set drafting assemblies 4, between every two successive swing arms 11 there is a pair of spinning places, comprising each a drafting assembly 4 and a spinning unit 1.
  • each drafting assembly 4 and the relative spinning unit 1 there may be provided a suction opening 14 for the end of the thread hanging down from a drafting assembly 4, in the event of the thread breaking.
  • the spinning machine is additionally provided with a pneumatic cleaning unit comprising a wheeled box 15, which contains means for producing a suction within a pipe 16, and means for supplying an air pressure through a pipe 17.
  • the wheeled box 15 can run along the spinning machine, and has its wheels 115 supported for this purpose on rails 18 provided on the spinning machine frame 13 over the bobbin creel 10.
  • any suitable driving and control means (not shown) for moving it in the one and the other direction along the spinning machine.
  • the two suction and blowing pipes 16,17 are attached to the box 15 by, for example, a bracket 19, and extend downwardly along the front side of the spinning machine, and they are so constructed that it is possible to alter and adjust the position and/or the orientation of their lower end sections 116,117.
  • the end section 116 of the suction pipe 16 is connected through an intermediate flexible pipe section 216 to the suction pipe 16, and by means of a pair of articulated hanger arms 20 with a preferably variable length, is supported by the said suction pipe 16, as it appears particularly in figure 2.
  • the end section 117 of the blowing pipe 17 is connected through an intermediate flexible pipe section 217 to the said pipe 17, and by means of a pair of articulated arms 20 with a preferably variable length, is suspended from the pipe 17.
  • the end sections 116,117 of the two suction and blowing pipes 16,17 can be adjustably secured to an underlying supporting crosspiece 21 slidably bearing on the upper sides of a few swing arms 11 in the drafting assemblies 4.
  • the two side-by-side pipes 16, 17 are interconnected by a further shorter crosspiece 22, which carries also the board 23 for controlling the pneumatic cleaning device.
  • the end section 117 of the blowing pipe 17 extends as far as the spinning units 1, and is so positioned and orientated that its open mouth is directed toward the region of the thread guide rings 3 and the anti-balloon rings 2, to clean these rings by removing therefrom any fly fibers, any dust, and the like.
  • the end section 117 of the blowing pipe 17 may also have a blowing nozzle 317 directed toward the region of the suction openings 14, to facilitate the penetration of the broken threads into the said openings 14.
  • the end section 116 of the suction pipe 16 is instead located at a height over the upper edge of the swing arm 11 projecting upwardly from the drafting assemblies 4, and has its extremity closed by, for example, a cap 24, as shown particularly in figure 3.
  • a suction member is mounted for a free rotation, and consists of a spoke wheel 25 formed by four suction nozzles 26, which are radially orientated and are angularly equispaced from each other.
  • This spoke wheel 25 consists of a hub 27 which is rota tably mounted between the cap 24 closing the end section 116 of the suction pipe 16, and of a collar 28 which is secured to the said end section 116 of pipe 16.
  • the single suction nozzles 26 consist of pipe lengths which are fitted in respective radial through bores in the hub 27.
  • a slot 29 is provided in the lower portion of the end section 116 of the suction pipe 16, and extends in the circumferential direction over, for example, an angle of about 95-100°, so that it connects to the suction pipe 16 the inward extremities of the suction nozzles 26 which come to be located in correspondence of said slot.
  • the suction nozzles 26 are strengthened by a starlike plate 30 which is integral with the hub 27 of the spoke wheel 25 and has its points coinciding with the said suction nozzles 26.
  • the above disclosed pneumatic cleaning device can be moved automatically and alternatively in the one and the other direction along the spinning machine, either continuously or intermittently, so as to cause the lower end section 117 of the blowing pipe 17 to stop at each successive spinning place, and so as to cause simultaneously the end section 116 of the suction pipe 16 to stop between two successive drafting assemblies 4, this device can be otherwise moved by a hand-operated control or by an automatic, for example a programme control, into any one of the said positions along the spinning machine, wherever its action is required.
  • the spoke wheel 25 rotatably mounted onto the end section 116 of the suction pipe 16, is so positioned and orientated, and is so sized that the following operation is obtained.
  • spoke wheel 25 formed by the suction nozzles 26 When the spoke wheel 25 formed by the suction nozzles 26 is located in a position between two swing arms 11 or over one swing arm 11 (figure 1), two downward suction nozzles 26 in the said spoke wheel are in operative position, i.e., they are each directed with their radially outward extremities toward the region of the fiber condenser 8 of one of the two drafting assemblies 4 lying at both sides of the axis of rotation (pipe section 116) of the spoke wheel 25, while their radially inward extremities communicate through the slot 29 with the suction pipe 16.
  • these two downward suction nozzles 26 a suction is applied which is fit for cleaning the corresponding area of the drafting assemblies 4 and particularly the fiber condenser 8, by removing therefrom any fly fibers, any spinning fly, and any like dirt.
  • these two downward suction nozzles 26 which are in operative position, extend downward beyond the upper edge of the swing arms 11, as close as possible to the area to be cleaned of the respective drafting assemblies 4.
  • the required cleaning is accomplished with a relatively low suction intensity, and so with suction devices having a limited power and an acceptable cost.
  • the pneumatic cleaning device is moved in the one or the other direction along the spinning machine, by one step corresponding to the distance between two successive spinning places, so as to, for example, move the spoke wheel 25 formed by the suction nozzles 26, from the position astride of a swing arm 11, according to figure 1, to the intermediate position between this swing arm and the next-following one, one of the two downward suction nozzles 26 which are in operative position, abuts against the swing arm 11 lying still under the axis of rotation (pipe end section 116) of the spoke wheel 25, so that it causes this spoke wheel 25 to rotate automatically by 90°, thus enabling the same to pass over the underlying swing arm 11 and to move into the required intermediate position between this arm and the next-following one.
  • two downward suction nozzles 26 in the rotatable spoke wheel 25 are again located in their operative position, in which they communicate through the slot 29 with the suction pipe 16, and are directed toward the region of the fiber condenser s 8 of the two drafting units 4 lying at both sides of the axis of rotation (pipe section 116) of the suction nozzles spoke wheel 25.
  • the above described operation is repeated at the successive step by which the pneumatic cleaning device is moved.
  • the spoke wheel 25 formed by the suction nozzles 26 is caused to rotate automatically by 90°, as disclosed above, every time one of its nozzles 26 abuts against a swing arm 11, so that it behaves like a suction wheel rolling along the spinning machine, passing automatically over the single swing arms 11, and applying a practically continuous cleaning suction along a zone coinciding with the area to be cleaned of the drafting assemblies 4.
  • the points of the strengthening star plate 30, which are provided in correspondence of the single suction nozzles 26, are made so long that the swing arms 11 are met by the points of the strengthening star plate 30, and not directly by the suction nozzles 26. Thanks to the slot 29 provided in the bottom side of the end section 116 of the suction pipe 16, only the suction nozzles 26 which come to be in their downwardly turned operative position, are connected to the suction, while the other upwardly turned suction nozzles 26 do not apply any suction, and then they do not cause any functional nuisance or trouble.
  • the invention may be applied with the same advantages as above set forth, also to spinning machines in which between each one of the spinning places or between successive groups of two or more spinning places there are any other constructional elements which project upwardly into the region of the drafting assemblies 4, and which form obstacles like the above described swing arms 11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP86115660A 1986-11-11 1986-11-11 Métier à filer Withdrawn EP0267314A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP86115660A EP0267314A1 (fr) 1986-11-11 1986-11-11 Métier à filer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86115660A EP0267314A1 (fr) 1986-11-11 1986-11-11 Métier à filer

Publications (1)

Publication Number Publication Date
EP0267314A1 true EP0267314A1 (fr) 1988-05-18

Family

ID=8195590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115660A Withdrawn EP0267314A1 (fr) 1986-11-11 1986-11-11 Métier à filer

Country Status (1)

Country Link
EP (1) EP0267314A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394885A1 (fr) * 1989-04-24 1990-10-31 Sohler Airtex Gmbh Dispositif mobile de nettoyage et de manipulation pour des machines textiles
EP0452691A2 (fr) * 1990-04-19 1991-10-23 Maschinenfabrik Rieter Ag Métier à filer
EP0539972A1 (fr) * 1991-10-29 1993-05-05 SOHLER AIRTEX GmbH Dispositif de nettoyage mobile
CN104451989A (zh) * 2014-12-19 2015-03-25 江苏精亚环境科技有限公司 巡回清洁器牵伸定点吹嘴回转避让之拉线拖动机构
CN112626658A (zh) * 2020-12-01 2021-04-09 三阳纺织有限公司 一种纺织条并卷联合机牵伸区清洁装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305184A (en) * 1964-10-12 1967-02-21 Parks Cramer Co Process for cleaning automatic textile winding machines
CH436060A (fr) * 1965-09-01 1967-05-15 Parks Cramer Co Procédé et dispositif pour enlever les débris de fibres des métiers à filer
US4484434A (en) * 1981-03-04 1984-11-27 Sohler Airtex Gmbh Movable cleaning apparatus for drafting mechanism of spinning and twisting machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305184A (en) * 1964-10-12 1967-02-21 Parks Cramer Co Process for cleaning automatic textile winding machines
CH436060A (fr) * 1965-09-01 1967-05-15 Parks Cramer Co Procédé et dispositif pour enlever les débris de fibres des métiers à filer
US4484434A (en) * 1981-03-04 1984-11-27 Sohler Airtex Gmbh Movable cleaning apparatus for drafting mechanism of spinning and twisting machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394885A1 (fr) * 1989-04-24 1990-10-31 Sohler Airtex Gmbh Dispositif mobile de nettoyage et de manipulation pour des machines textiles
EP0452691A2 (fr) * 1990-04-19 1991-10-23 Maschinenfabrik Rieter Ag Métier à filer
EP0452691A3 (en) * 1990-04-19 1991-11-13 Maschinenfabrik Rieter Ag Spinning machine
EP0539972A1 (fr) * 1991-10-29 1993-05-05 SOHLER AIRTEX GmbH Dispositif de nettoyage mobile
CN104451989A (zh) * 2014-12-19 2015-03-25 江苏精亚环境科技有限公司 巡回清洁器牵伸定点吹嘴回转避让之拉线拖动机构
CN112626658A (zh) * 2020-12-01 2021-04-09 三阳纺织有限公司 一种纺织条并卷联合机牵伸区清洁装置

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Inventor name: VALABREGA, GIANFRANCO