EP0433241A1 - Vorrichtung zum Auswechseln von vollen Vorgarnspulen gegen Spulenhülsen in Vorspinnmaschinen - Google Patents

Vorrichtung zum Auswechseln von vollen Vorgarnspulen gegen Spulenhülsen in Vorspinnmaschinen Download PDF

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Publication number
EP0433241A1
EP0433241A1 EP90830447A EP90830447A EP0433241A1 EP 0433241 A1 EP0433241 A1 EP 0433241A1 EP 90830447 A EP90830447 A EP 90830447A EP 90830447 A EP90830447 A EP 90830447A EP 0433241 A1 EP0433241 A1 EP 0433241A1
Authority
EP
European Patent Office
Prior art keywords
bobbins
endless conveyor
conveyor
empty tubes
bearing
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Withdrawn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
EP90830447A
Other languages
English (en)
French (fr)
Inventor
Luigi Fratelli Marzoli & C. S.P.A. Pezzoli
Luigi Fratelli Marzoli & C. S.P.A. Calabria
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.)
Fratelli Marzoli and C SpA
Original Assignee
Fratelli Marzoli and C 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 Fratelli Marzoli and C SpA filed Critical Fratelli Marzoli and C SpA
Publication of EP0433241A1 publication Critical patent/EP0433241A1/de
Withdrawn legal-status Critical Current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
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/04—Doffing arrangements integral with spinning or twisting machines
    • D01H9/046—Doffing arrangements integral with spinning or twisting machines for flyer type machines

Definitions

  • the present invention relates to an automatic apparatus for removing bobbins from roving frames and replacing the removed bobbins with empty tubes to be filled with roving.
  • the bobbin bearing carriage was adapted to be driven on a substantially horizontal surface, so as to be located, depending on the operating step, under the flyer bearing frame or near the mentioned conveyor to cooperate therewith.
  • This apparatus is rather complex construction-wise mainly with respect to the driving gears for driving the bobbin bearing carriage which must move laterally of the flyer bearing frame in order to allow the formed bobbins to be removed and replaced with empty tubes.
  • the aim of the present invention is to overcome the above mentioned drawback, by providing a new automatic apparatus for removing bobbins from roving frames and replacing removed bobbins with empty tubes in which the bobbin bearing carriage can be disengaged from the flyer bearing frame without the need of subjecting the bobbin bearing carriage to a translation movement.
  • a main object of the present invention is to provide such an apparatus which operates with a very high operating speed, thereby greatly reducing the time necessary for removing the bobbins and replacing them with empty tubes.
  • Another object of the present invention is to provide such an apparatus which can be easily constructed starting from easily available elements and materials and which, moreover, is very competitive from a mere economic standpoint.
  • an automatic apparatus for removing bobbins from roving frames and replacing the removed bobbins with empty tubes characterized in that said apparatus comprises an endless conveyor for removing said bobbins and feeding empty tubes, said conveyor being movably supported, so as to be displaced in a direction perpendicular to the extension thereof, by a swinging supporting structure, said conveyor cooperating with a tilting bobbin bearing carriage arranged under a flyer bearing frame, said bobbin bearing carriage being adapted to be driven to a substantially horizontal position, for forming said bobbins, through said flyer bearing frame, and a slanted position, for removing formed bobbins and replacing said formed bobbins with empty tubes, through said endless conveyor.
  • the automatic apparatus for removing bobbins from roving frames and replacing the removed bobbins with empty tubes comprises a framework 1 supporting a flyer bearing frame, of a substantially known type, and which has been overally indicated at the reference number 2.
  • a bobbin bearing carriage 3 which cooperates with an endless conveyor, overally indicated at the reference number 4, and which can be displaced on a swinging wing 5.
  • the endless conveyor 4 which is substantially of the type disclosed in the above mentioned Italian Patent Application, is supported by supporting plates 10 which are slidably mounted, through sliding guides, on the wing 5 so as to allow the endless conveyor 4 to move along a direction which is substantially perpendicularly to the laying plane of said endless conveyor 4.
  • the endless conveyor 4 is provided, at even spacings, with bobbin gripping devices, such as, for example, expanding grippers, indicated at 11, the axis of which is downward facing, and which operate to engage from inside the bobbins, indicated at the reference number 12, or possible empty tubes.
  • bobbin gripping devices such as, for example, expanding grippers, indicated at 11, the axis of which is downward facing, and which operate to engage from inside the bobbins, indicated at the reference number 12, or possible empty tubes.
  • a main feature of the present invention is that the wing 5 bearing the endless conveyor can swing about a substantially horizontal axis and perpendicular to the driving direction of the endless conveyor 4.
  • the wing 5 bearing said endless conveyor is pivoted at 20, at the bottom portion of the framework 1.
  • pneumatic or hydraulic pistons 21 for causing said wing 5 to swing according to a preset sequence.
  • the bearing wing 5 can be tilted through an angle from 0° (vertical position) to 45° in order to remove, as it will become more apparent hereinafter, the bobbins 12 formed on the bobbin bearing carriage 3 and to replace the removed bobbins with empty tubes.
  • the bobbin bearing carriage is coupled to a supporting frame 30 of the flyer bearing frame 2, so as to slide in order to bring the tubes to cooperate with the flyers, indicated at 31, for forming the roving.
  • Said bobbin bearing carriage is pivoted at one end thereof 32, and on the fixed framework of the apparatus there is provided a fixed abutment 33 which, as the bobbin bearing carriage is displaced to a lower position, causes said carriage to be outward tilted.
  • the bobbin bearing carriage is tilted through an angle which corresponds to the opening angle of the wing 5 bearing the endlees conveyor, so that this conveyor 4 can be displaced downward, without interfering against the flyer bearing frame, to remove formed bobbins, in an automatic way, and replace removed bobbins with empty tubes.
  • the bobbin bearing carriage In operation, as fully bobbins have been formed, at the flyer bearing frame, the bobbin bearing carriage will be caused to lower so as to disengage the bobbins from the flyers and, during its downward stroke, said carriage will outward rotate because of its engagement against the fixed abutment arrangement.
  • the endless conveyor 4, which is coupled to the mentioned wing 5, which latter is tilted through an angle corresponding to the tilting angle of the bobbin bearing carriage, will be lowered so as to engage the empty bobbin gripping devices with the bobbin, to restrain said bobbins to said grippers and thereby removing said bobbins at the top position of the panel or plate 10.
  • the conveyor belt After having been displaced for a distance corresponding to the distance between two gripping devices or grippers, will be downward displaced again to the bobbin bearing carriage, in order to arrange the empty tubes engaged on the grippers 11 of the conveyor 4 on said carriage.
  • the conveyor will be again displaced to the top position thereof, for discharging formed bobbins and engaging empty tubes.
  • the mentioned wing will be advantageously returned to a closure position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP90830447A 1989-12-14 1990-10-10 Vorrichtung zum Auswechseln von vollen Vorgarnspulen gegen Spulenhülsen in Vorspinnmaschinen Withdrawn EP0433241A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT02269689A IT1237906B (it) 1989-12-14 1989-12-14 Apparecchiatura automatica per il prelievo di spole e per la loro sostituzione con tubetti vuoti, su banchi a fusi
IT2269689 1989-12-14

Publications (1)

Publication Number Publication Date
EP0433241A1 true EP0433241A1 (de) 1991-06-19

Family

ID=11199367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90830447A Withdrawn EP0433241A1 (de) 1989-12-14 1990-10-10 Vorrichtung zum Auswechseln von vollen Vorgarnspulen gegen Spulenhülsen in Vorspinnmaschinen

Country Status (2)

Country Link
EP (1) EP0433241A1 (de)
IT (1) IT1237906B (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521057A1 (de) * 1974-06-18 1976-01-08 Marzoli & C Spa Spulenabnahmevorrichtung fuer vorspinnmaschinen
FR2434878A1 (fr) * 1978-09-02 1980-03-28 Zinser Textilmaschinen Gmbh Procede et dispositif pour le changement de bobines sur des bancs a broches de metiers a filer
WO1981000264A1 (en) * 1979-07-10 1981-02-05 Rieter Ag Maschf Automatic process for the removal of full packages and setting in place of empty cores on a roving frame
DE3702265A1 (de) * 1986-01-28 1987-07-30 Marzoli & C Spa Verfahren und vorrichtung zum abziehen und auswechseln von garnhuelsen bei textilmaschinen
EP0310568A1 (de) * 1987-10-02 1989-04-05 FRATELLI MARZOLI & C. S.p.A. Vorrichtung zum Abziehen von vollen Spulen an Vorgarn-Spinnmaschinen und zum Auswechseln der abgezogenen Spulen gegen leere Spulenkörper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521057A1 (de) * 1974-06-18 1976-01-08 Marzoli & C Spa Spulenabnahmevorrichtung fuer vorspinnmaschinen
FR2434878A1 (fr) * 1978-09-02 1980-03-28 Zinser Textilmaschinen Gmbh Procede et dispositif pour le changement de bobines sur des bancs a broches de metiers a filer
WO1981000264A1 (en) * 1979-07-10 1981-02-05 Rieter Ag Maschf Automatic process for the removal of full packages and setting in place of empty cores on a roving frame
DE3702265A1 (de) * 1986-01-28 1987-07-30 Marzoli & C Spa Verfahren und vorrichtung zum abziehen und auswechseln von garnhuelsen bei textilmaschinen
EP0310568A1 (de) * 1987-10-02 1989-04-05 FRATELLI MARZOLI & C. S.p.A. Vorrichtung zum Abziehen von vollen Spulen an Vorgarn-Spinnmaschinen und zum Auswechseln der abgezogenen Spulen gegen leere Spulenkörper

Also Published As

Publication number Publication date
IT1237906B (it) 1993-06-18
IT8922696A0 (it) 1989-12-14

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