EP2083965B1 - Dispositif de maintien et de guidage d'arbre a manchons de caoutchouc sans centre - Google Patents

Dispositif de maintien et de guidage d'arbre a manchons de caoutchouc sans centre Download PDF

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Publication number
EP2083965B1
EP2083965B1 EP07870501.9A EP07870501A EP2083965B1 EP 2083965 B1 EP2083965 B1 EP 2083965B1 EP 07870501 A EP07870501 A EP 07870501A EP 2083965 B1 EP2083965 B1 EP 2083965B1
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EP
European Patent Office
Prior art keywords
rubber cot
holding
cot arbour
arbour
rubber
Prior art date
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Active
Application number
EP07870501.9A
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German (de)
English (en)
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EP2083965A2 (fr
Inventor
Jitendra Ishwarbhai Mevada
Naresh Amrutlal Mistry
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings
    • D01H5/80—Rollers or roller bearings with covers; Cots or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
    • B24B5/22—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts

Definitions

  • This invention relates to a centreless rubber cot arbour according to claim 1.
  • Rubber cot arbour mainly comprises a steel spindle or axle provided with one or two rubber cots used as top rollers in Ring Frame, Speed Frame, Draw Frame, Combers, etc. of cotton or synthetic yarn spinning mills, in the textile industries.
  • the arbours or top rollers used in Draw Frames or Combers are provided with single long cot up to 400 mm in length in the middle of the axle portion, while the arbours or top rollers used in Ring Frames or Speed Frames are provided with a pair of cots, one each at the two ends of the axle.
  • the cots are preferably made of rubber.
  • a very large number of top rollers or rubber cot arbours are used in a Spinning mill or machine, which work continuously at a high speed.
  • Manual rubber cot arbour loading and unloading device for manual rubber cot arbour grinding or buffing machines are known in the prior art. This manual rubber cot arbour loading and unloading device is prone to accidents during loading and unloading of the rubber cot arbour in the grinding unit.
  • Centreless rubber cot arbour holding & guiding device are also known and used in the automatic rubber cot arbour grinding or buffing machines sold in the marked under the brand name 'BERKOL' ® manufactured by 'HUBER + SUHNER'.
  • DE 1502574 A1 discloses a rubber cot grinding machine with cot holding means. It is arranged at spinning machines for grinding covers of their top rollers.
  • FR 2747330 A discloses the machine tool holds the work-piece in a series of mountings forming part of a mounting plate pivoted about an axis.
  • the mounting plate is located and secured to a fixed body by the engagement of conical teeth mounted on the two structures.
  • a motorized shaft drives a cam, which has a helicoidal flange and a circular flange and also a second circular cam disc. These cams actuate rollers that lift, rotate and then lower the shaft on axis such that the mountings are moved to new positions.
  • DE 19534180 A1 discloses a device for the grinding of drafting rolls with an emerizing roll, at which a drafting roll can be advanced to the emerizing roll casing on one side thereof by an automatically driven carriage holding the drafting roll, the carriage being mounted on a first guiding element, and a second guiding element being secured to the emerizing roll on the side opposite the first guiding element.
  • This second guiding element supports a hand-driven second carriage, and the direction of rotation of the emerizing roll is reversible.
  • WO 2004/020147 A discloses grinding device for grinding bodies, particularly ferrules of optical plug connectors, comprising a device for holding the bodies to be ground. This device can be pressed along an axis with a predeterminable application force against grinding means that are arranged in a grinding plane running transversal to said axis. A high level of precision is achieved in a grinding device of this type having a simple design, whereby the holding device is guided in the axis by means of a parallelogram guide.
  • the existing centreless rubber cot arbour holding & guiding devices are having low performance as they contain one single unit for receiving unfinished rubber cot arbour from a measuring unit, whereby the same unit is used for feeding the unfinished rubber cot arbour to the grinding head or unit and then for unloading the finished rubber cot arbour to the finished rubber cot arbour storage unit of the automatic rubber cot arbour grinding or buffing machine.
  • this invention provides centreless rubber cot arbour holding and guiding device, in which multiple units or head have been provided for holding and guiding the rubber cot arbour to the grinding head, for grinding as well as for unloading the finished rubber cot arbour into the finished rubber cot arbour storage unit of the rubber cot arbour grinding or buffing machine. While one of the unit hold measured rubber cot arbour received from the measuring unit, second will wait for feeding the rubber cot arbour to the grinding unit, the third will be engaged with the grinding unit for grinding the rubber cot arbour and the forth will unload the finished rubber cot arbour storage unit.
  • Another object of this invention is to provide centreless rubber cot arbour holding & guiding device, which is quite compact while increasing the performance of the automatic rubber cot arbour grinding or buffing machine.
  • a further object of this invention to provide centreless ubber cot arbour holding & guiding device which provides a smooth automatic function while increasing the performance of the automatic rubber cot arbour grinding or buffing machine.
  • the centreless rubber cot arbour holding and guiding device is provided with the two head units.
  • the centreless rubber cot arbour holding and guiding device is provided with the three head units.
  • the centreless rubber cot arbour holding and guiding device is provided with the four head units.
  • the centreless rubber cot arbour holding and guiding device is provided with the six head units.
  • the centreless rubber cot arbour holding and guiding device is provided with the eight or even more head units.
  • the centreless rubber cot arbour holding and guiding device is having pneumatically or hydraulically operated pressing and jaw opening cylinders.
  • the centreless rubber cot arbour holding and guiding device is having a suction device provided on the box for sucking out the rubber dust created during grinding or buffing operation of the rubber cots of the arbours.
  • the centreless rubber cot arbour holding and guiding device is having moulded cast iron or fabricated steel box.
  • This invention also provides an automatic rubber cot arbour grinding or buffing machine, comprising a centreless rubber cot arbour holding and guiding device.
  • the automatic rubber cot arbour grinding or buffing machine developed by us for which patent application is pending mainly comprises of an unfinished rubber cot arbour storage unit or system or loading magazine for safely storing a large number of unfinished rubber cot arbours (23) while occupying minimum floor space; a finished rubber cot arbour storage unit or system or unloading magazine for safely storing a large number of finished rubber cot arbours (24) while occupying minimum floor space, provided paralelly and adjacent to the unfinished rubber cot arbours loading magazine an unfinished rubber cot arbour conveyor unit or system (6) for conveying the unfinished rubber cot arbours (23) from loading magazine to a measuring unit (16) one by one quickly, without consuming much time or wasting any time; a loading or unloading carriage (17) for loading the unfinished rubber cot arbour (23), preferably after measuring the diameter of rubber cot in the measuring unit (16) and when not rejected but found suitable for grinding and simultaneously in sequence unloading the finished rubber cot arbour (2
  • the rubber cot arbour holding and guiding device is provided with a single unit for receiving the unfinished rubber cot arbour (23) from the carriage (8) and therefore feeding to grinding head for grinding to rubber cot in the desired size than to delivered finished rubber cot arbour to the carriage (8) and to the finished rubber cot arbours storage unit or unloading magazine. It is notice that due to the single head unit the performance of the automatic rubber cot arbour grinding or buffing machine remains load.
  • centreless rubber cot arbour holding & guiding device in which multiple head units have been provided, one of which receives unfinished rubber cot arbour from the carriage (8), the second one feeds the unfinished rubber cot arbour the grinding head and the third one delivered that finished rubber cot arbour to the carriage (8) and than to the finished rubber cot arbour storage unit (4).
  • centreless rubber cot arbour holding & guiding device provided with multiple head unit which may be for example two, three, four, six, eight or even more numbers.
  • a 'T'- type bracket (2), guided on needle or ball bearing housings (3) is coupled by a coupling (4) with a rotary table (5), which can be a pneumatic rotary table or electro mechanical device.
  • a fixed shaft (6) is fitted on the T-bracket (2) for fixing a rubber cot arbour clamp (7).
  • a carriage (8) and an ejector (9) fitted with pneumatic or hydraulic cylinder are provided according to figures 3, 5 , 6, 8 , 17 or 18 for pushing the finished rubber cot arbour (24), after grinding, on to the carriage (8).
  • a guiding device is also provided on the box (1).
  • the said guiding device consists of a knurled shaft (10) along with a rubber dust cleaning brush (11), guided on needle or ball bearing pedestals (12) and driven by preferably an A.C. or D.C. geared motor (13) in clockwise and or or anticlockwise direction.
  • a suction device (14) is also provided for sucking out the rubber dust produced during grinding or buffing operation of the rubber cots.
  • the arbour holder unit is used to hold and guide the rubber cot arbour during grinding operation, precisely. It is rotable at its home position in grinding zone. All the rubber particles produced are extracted by the efficient suction of the suction device (14) provided with the arbour holder unit.
  • the multiple head units are mounted on a rotary table (5) which is supported on the box (1) with the help of support bars (18).
  • the rotary table (5) rotate with the help of servo geared motor or pneumatic rotary table (5).
  • To each of the head units is - as to be seen in figures 3, 5 , 6, 8 , 17 or 18 - allocated a pressing cylinder (21) pneumatically or hydraulically jaw opening cylinder (22) for holding the unit at the time of receiving the unfinished rubber cot arbour, feeding of the unfinished rubber cot arbour to the grinding head and for delivering the finished rubber cot arbour to the carriage (8) or finished rubber cot arbour storage unit.
  • the rotary table (5) is a rotate with the help of servo geared motor or pneumatic or hydraulic rotary table (5) in the desired manner, work performing sequential operations of the centreless rubber cot arbour holding & guiding device provided with multiple holding units.
  • the multiple head units provided on the rotary table may be two, three, four, six, eight or even more number depending on the size and capacity of the automatic rubber cot arbour grinding or buffing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (10)

  1. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre pour une machine de rectification/polissage automatique d'arbres à manchons de caoutchouc, comprenant des moyens de rotation permettant d'acheminer des manchons de caoutchouc vers une station de rectification, et des moyens de retenue permettant de maintenir des manchons de caoutchouc à rectifier, caractérisé par plusieurs unités de tête montées sur une table rotative (5), chacune desdites unités de tête (16) comprenant un support en T (2), guidé sur des logements de roulement à aiguilles ou à billes (3), couplé à un dispositif rotatif tel qu'un dispositif rotatif pneumatique ou un dispositif électromécanique monté sur un boîtier (1), une tige fixe (6) étant montée sur ledit support en T (2), une pince pour arbre (7) fixée sur ladite tige fixe (6) pour maintenir un arbre à rectifier, un chariot (8) et un éjecteur (9) muni d'un cylindre pneumatique ou hydraulique reposant sur ledit boîtier (1) pour pousser l'arbre à manchons de caoutchouc fini sur le chariot (8) après rectification, un dispositif de guidage étant prévu sur ledit boîtier, ledit système de guidage dispositif étant constitué d'une tige moletée (10) et d'une brosse de nettoyage de poussière de caoutchouc (11) disposée adjacente parallèlement à ladite tige moletée (10) et guidée sur des socles de roulement à aiguilles ou à billes (12) et entraînée par un élément moteur, tel qu'un motoréducteur de courant alternatif ou continu (13), dans le sens horaire ou antihoraire, ladite table rotative (5) reposant sur ledit boîtier (1) à l'aide de barres de support (18) et tournant de manière souhaitée à l'aide d'un servomotoréducteur ou d'une table rotative pneumatique/hydraulique, ce qui permet au cylindre de pression (21) et au cylindre d'ouverture de mâchoire (22) de maintenir chaque unité de tête au moment de la réception de l'arbre à manchons de caoutchouc non fini, d'amener l'arbre à manchons de caoutchouc non fini vers la tête de rectification et d'acheminer l'arbre à manchons de caoutchouc fini vers le chariot (8) ou vers l'unité de stockage d'arbres à manchons de caoutchouc finis.
  2. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel les multiples unités de tête prévues sur la table rotative (5) sont au nombre de deux.
  3. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel les multiples unités de tête prévues sur la table rotative (5) sont au nombre de trois.
  4. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel les multiples unités de tête prévues sur la table rotative (5) sont au nombre de quatre.
  5. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel les multiples unités de tête prévues sur la table rotative (5) sont au nombre de six.
  6. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel les multiples unités de tête prévues sur la table rotative (5) sont au moins au nombre de huit.
  7. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel ledit cylindre de pression (21) et ledit cylindre d'ouverture de mâchoire (22) sont des cylindres à commande pneumatique ou hydraulique.
  8. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel un dispositif d'aspiration (14) est prévu sur ledit boîtier (1) pour aspirer la poussière de caoutchouc produite lors de l'opération de rectification ou de polissage des manchons de caoutchouc des arbres.
  9. Dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon la revendication 1, dans lequel ledit boîtier (1) est un boîtier coulé en fonte ou un boîtier en acier.
  10. Machine de rectification ou de polissage automatique d'arbres à manchons de caoutchouc, comprenant un dispositif de maintien et de guidage d'arbres à manchons de caoutchouc sans centre selon les revendications 1 à 9.
EP07870501.9A 2006-10-12 2007-09-07 Dispositif de maintien et de guidage d'arbre a manchons de caoutchouc sans centre Active EP2083965B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1683MU2006 2006-10-12
PCT/IN2007/000405 WO2008062442A2 (fr) 2006-10-12 2007-09-07 Dispositif de maintien et de guidage d'arbre à manchons de caoutchouc sans centre

Publications (2)

Publication Number Publication Date
EP2083965A2 EP2083965A2 (fr) 2009-08-05
EP2083965B1 true EP2083965B1 (fr) 2019-07-03

Family

ID=39372863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07870501.9A Active EP2083965B1 (fr) 2006-10-12 2007-09-07 Dispositif de maintien et de guidage d'arbre a manchons de caoutchouc sans centre

Country Status (3)

Country Link
EP (1) EP2083965B1 (fr)
DE (1) DE112007002255T5 (fr)
WO (1) WO2008062442A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4375011A1 (fr) 2022-11-25 2024-05-29 Bräcker AG Machine de meulage pour cylindre de filage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3259389B1 (fr) * 2015-02-16 2019-07-03 Jitendra Ishwarbhai Mevada Machine conçue pour traiter des arbres porte-cylindres en caoutchouc
CN110539231A (zh) * 2019-08-02 2019-12-06 浙江浦江环通机械科技有限公司 一种自动水晶平磨机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1502574A1 (de) * 1963-12-07 1969-03-20 Skf Kugellagerfabriken Gmbh Vorrichtung zum spitzenlosen Schleifen von Walzenbezuegen an Oberwalzen fuer Spinnereimaschinen
DE19534180A1 (de) * 1995-09-15 1997-03-20 Wolters Peter Fa Vorrichtung zum Schleifen von Spinnzylindern
FR2747330A1 (fr) * 1996-04-12 1997-10-17 Clement Rene Machine d'usinage a transfert circulaire
WO2004020147A1 (fr) * 2002-08-30 2004-03-11 Huber+Suhner Ag Dispositif de ponçage et procede d'utilisation d'un tel dispositif de ponçage
WO2008044240A1 (fr) * 2006-10-12 2008-04-17 Jitendra Ishwarbhai Mevada Machine automatique permettant de meuler/polir des arbres à clavettes en caoutchouc

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4375011A1 (fr) 2022-11-25 2024-05-29 Bräcker AG Machine de meulage pour cylindre de filage

Also Published As

Publication number Publication date
DE112007002255T5 (de) 2009-08-20
EP2083965A2 (fr) 2009-08-05
WO2008062442A2 (fr) 2008-05-29
WO2008062442B1 (fr) 2008-11-13
WO2008062442A3 (fr) 2008-07-17

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