WO1985004223A1 - Roll support spindle - Google Patents

Roll support spindle Download PDF

Info

Publication number
WO1985004223A1
WO1985004223A1 PCT/AU1984/000176 AU8400176W WO8504223A1 WO 1985004223 A1 WO1985004223 A1 WO 1985004223A1 AU 8400176 W AU8400176 W AU 8400176W WO 8504223 A1 WO8504223 A1 WO 8504223A1
Authority
WO
WIPO (PCT)
Prior art keywords
roll support
apertures
axle
support spindle
hollow tubular
Prior art date
Application number
PCT/AU1984/000176
Other languages
French (fr)
Inventor
Frederick Peter Kann
Stuart Leslie Horton
Original Assignee
Stuart Leslie Horton
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 Stuart Leslie Horton filed Critical Stuart Leslie Horton
Publication of WO1985004223A1 publication Critical patent/WO1985004223A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/04—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube
    • F16D25/042—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube the elastic actuating member rotating with the clutch
    • F16D25/046—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube the elastic actuating member rotating with the clutch and causing purely radial movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/243—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid

Definitions

  • This invention relates to an improved roll support spindle and has been devised particularly though not solely for the support of rolls of continuous material during any process requiring rotation of the roll.
  • a roll of continuous sheet material such as paper or sheet plastics material, either for dispensing of material from the roll or for winding material onto the roll.
  • Such rolls commonly have hollow tubular cores formed, for example, from cardboard or plastics or metal tubing and are generally supported for rotation on a spindle in the apparatus concerned.
  • the roll is supported on the spindle in a number of different ways depending on the application.
  • the spindle may be provided with cones at either end thereof, one cone being fixed and the other cone being axially movable to support the roll between the cones in a wedging action and centralise the roll on the spindle.
  • spindle has been provided with a plurality of longitudinal slats having studs protruding inwardly therefrom through the wall of the spindle to a central actuating device adapted to move the slats outwardly and hence increase the circumference of the spindle to lock a roll core thereon.
  • the invention consists in a roll support spindle comprising a hollow tubular axle adapted to be rotatably supported by suitable bearings, end plugs at or toward either end of the axle forming a fluid-tight chamber therein, a plurality of apertures in the tubular wall of the axle between the end plugs, an elastomeric membrane over at least part of the interior wall of the hollow tubular axle covering and sealing the apertures, and fluid supply means adapted to pressurise the interior of the hollow tubular axle causing the elastomeric membrane to bulge outwardly through the apertures.
  • the elastomeric membrane is formed by rotational casting of an elastomeric material and covers the entire surface of the interior wall of the hollow tubular axle between the end plugs.
  • the elastomeric membrane fills the apertures in the tubular wall, finishing substantially flush with the exterior surface of the tubular axle when the interior of the hollow tubular axle is not pressurised,
  • the fluid supply means comprise an air supply and release valve in one of the end plugs.
  • Fig. 1 is a longitudinal cross-section through a roll support spindle according to the invention
  • Fig. 2 is a transverse cross-section on the line B-B of Fig. 1;
  • Fig. 3 is a longitudinal cross-section of the spindle shown in Fig. 1 with a roll core mounted thereon;
  • Fig. 4 is a transverse cross-section on the line A-A of Fig. 3. MODES FOR CARRYING OUT THE INVENTION In the preferred form of the invention a short roll
  • spindle adapted to be cantilevered from a single set of bearings is constructed as follows, although it 5 will be appreciated that the spindle may be made of any desired length and may be supported by bearings. at either end thereof.
  • the roll support spindle comprises a hollow tubular axle 1 in which is inserted end plugs 2 and 3.
  • the end 10 plugs form a fluid-tight chamber 4 within the hollow tubular axle.
  • the roll support spindle is adapted to be rotatable supported by suitable bearings and is conveniently provided with a journal 5 which may form an extension of the end plug 3.
  • a journal 5 which may form an extension of the end plug 3.
  • any other 15 suitable form of bearing support may be provided.
  • a plurality of apertures 6 are formed in the circumferential wall of the hollow tubular axle, equispaced around the circumference of the axle.
  • the apertures may take any suitable configuration such as the 20 axially elongate, or circular apertures shown in the accompanying drawings.
  • An elastomeric membrane is formed over at least part of the interior wall of the hollow tubular axle, covering and sealing the apertures 6.
  • the elastomeric membrane covers the entire surface of the interior wall of the hollow tubular axle between the end plugs 2 and 3 and fills the apertures 6, finishing flush with the exterior surface of the tubular axle as can be seen at 8.
  • the elastomeric membrane may be 30 formed from any suitable material and in any suitable manner, but in the preferred form of the invention is formed by rotational casting from polyurethane within the tubular axle.
  • the end plug 2 is provided with fluid supply means 35 adapted to pressurise the interior of the hollow tubular axle causing the elastomeric membrane 7 to bulge outwardly through the apertures.
  • the fluid supply means comprises an air supply and release valve 9 axially located in the end plug 2.
  • the roll core 10 (Fig. 3) is engaged over the spindle until it is positioned in the desired axial location. Compressed air is then supplied under pressure through the valve 9 into the interior chamber 4 causing the elastomeric membrane 7 to bulge outwardly through the apertures 6 as shown at 11. These bulges of elastomeric material automatically centralise the roll core 10 on the spindle and securely hold the roll core locked tightly in place on the spindle ready for rotation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Winding Of Webs (AREA)

Abstract

A roll support spindle comprising a hollow tubular axle (1) having a number of apertures in the circumferential wall thereof filled by an annular elastomeric membrane. The interior of the axle is sealed by end plugs (2) and (3) and adapted to be pressurized by air injected through a valve (9) causing the annular membrane extending between the end plugs to bulge outwardly (11) through the apertures to centralize and lock a roll core (10) on the spindle.

Description

ROLL SUPPORT SPINDLE TECHNICAL FIELD This invention relates to an improved roll support spindle and has been devised particularly though not solely for the support of rolls of continuous material during any process requiring rotation of the roll.
BACKGROUND ART There are many situations where it is desired to support a roll of continuous sheet material such as paper or sheet plastics material, either for dispensing of material from the roll or for winding material onto the roll. Such rolls commonly have hollow tubular cores formed, for example, from cardboard or plastics or metal tubing and are generally supported for rotation on a spindle in the apparatus concerned. The roll is supported on the spindle in a number of different ways depending on the application. For example, the spindle may be provided with cones at either end thereof, one cone being fixed and the other cone being axially movable to support the roll between the cones in a wedging action and centralise the roll on the spindle. Other forms of spindle have been provided with a plurality of longitudinal slats having studs protruding inwardly therefrom through the wall of the spindle to a central actuating device adapted to move the slats outwardly and hence increase the circumference of the spindle to lock a roll core thereon.
These known methods of mounting a roll onto a spindle are either complex and therefore expensive to manufacture and prone to breakdown in use. or are cumbersome and time consuming to use, requiring considerable operator effort and taking considerable process time.
It is therefore an object of the present invention to provide an improved roll support spindle which will obviate or minimise the foregoing disadvantages in a simple yet effective manner, or which will at least provide the public with a useful choice. DISCLOSURE OF INVENTION Accordingly the invention consists in a roll support spindle comprising a hollow tubular axle adapted to be rotatably supported by suitable bearings, end plugs at or toward either end of the axle forming a fluid-tight chamber therein, a plurality of apertures in the tubular wall of the axle between the end plugs, an elastomeric membrane over at least part of the interior wall of the hollow tubular axle covering and sealing the apertures, and fluid supply means adapted to pressurise the interior of the hollow tubular axle causing the elastomeric membrane to bulge outwardly through the apertures.
Preferably the elastomeric membrane is formed by rotational casting of an elastomeric material and covers the entire surface of the interior wall of the hollow tubular axle between the end plugs.
Preferably the elastomeric membrane fills the apertures in the tubular wall, finishing substantially flush with the exterior surface of the tubular axle when the interior of the hollow tubular axle is not pressurised, Preferably the fluid supply means comprise an air supply and release valve in one of the end plugs.
BRIEF DESCRIPTION OF DRAWINGS Notwithstanding any other forms that may fall within its scope, one preferred form of the invention will now be described by way of example only with reference to the accompanying drawings, in which:-
Fig. 1 is a longitudinal cross-section through a roll support spindle according to the invention; Fig. 2 is a transverse cross-section on the line B-B of Fig. 1;
Fig. 3 is a longitudinal cross-section of the spindle shown in Fig. 1 with a roll core mounted thereon; and
Fig. 4 is a transverse cross-section on the line A-A of Fig. 3. MODES FOR CARRYING OUT THE INVENTION In the preferred form of the invention a short roll
_ - support spindle adapted to be cantilevered from a single set of bearings is constructed as follows, although it 5 will be appreciated that the spindle may be made of any desired length and may be supported by bearings. at either end thereof.
The roll support spindle comprises a hollow tubular axle 1 in which is inserted end plugs 2 and 3. The end 10 plugs form a fluid-tight chamber 4 within the hollow tubular axle. The roll support spindle is adapted to be rotatable supported by suitable bearings and is conveniently provided with a journal 5 which may form an extension of the end plug 3. In the alternative any other 15 suitable form of bearing support may be provided. A plurality of apertures 6 are formed in the circumferential wall of the hollow tubular axle, equispaced around the circumference of the axle. The apertures may take any suitable configuration such as the 20 axially elongate, or circular apertures shown in the accompanying drawings.
An elastomeric membrane is formed over at least part of the interior wall of the hollow tubular axle, covering and sealing the apertures 6. In the preferred form of the 25 invention the elastomeric membrane covers the entire surface of the interior wall of the hollow tubular axle between the end plugs 2 and 3 and fills the apertures 6, finishing flush with the exterior surface of the tubular axle as can be seen at 8. The elastomeric membrane may be 30 formed from any suitable material and in any suitable manner, but in the preferred form of the invention is formed by rotational casting from polyurethane within the tubular axle.
The end plug 2 is provided with fluid supply means 35 adapted to pressurise the interior of the hollow tubular axle causing the elastomeric membrane 7 to bulge outwardly through the apertures. In the preferred form of the invention the fluid supply means comprises an air supply and release valve 9 axially located in the end plug 2.
In use when it is desired to support a roll of material on the roll support spindle according to the invention, the roll core 10 (Fig. 3) is engaged over the spindle until it is positioned in the desired axial location. Compressed air is then supplied under pressure through the valve 9 into the interior chamber 4 causing the elastomeric membrane 7 to bulge outwardly through the apertures 6 as shown at 11. These bulges of elastomeric material automatically centralise the roll core 10 on the spindle and securely hold the roll core locked tightly in place on the spindle ready for rotation.
Once the material has been exhausted from the roll core, air pressure is released from the chamber 4 through the valve 9 allowing the elastomeric membrane to return to its normal position flush with the outer surface of the tubular axle 1 allowing the roll core 10 to be simply removed from the spindle. In this manner a roll support spindle is provided which is simple and economical to manufacture, reliable in use. and which enables an operator to quickly and simply engage or remove a roll core from the spindle.

Claims

1. A roll support spindle comprising a hollow tubular axle adapted to be rotatably supported by suitable bearings, end plugs at or toward either end of the axle forming a fluid-tight chamber therein, a plurality of apertures in the tubular wall of the axle between the end plugs, an elastomeric membrane over at least part of the interior wall of the hollow tubular axle covering and sealing the apertures, and fluid supply means adapted to pressurise the interior of the hollow tubular axle causing the elastomeric membrane to bulge outwardly through the apertures.
2. A roll support spindle as claimed in claim 1, wherein the elastomeric membrane covers the entire surface of the interior wall of the hollw tubular axle between the end plugs.
3. A roll support spindle as claimed in claim 1, wherein the elastomeric member fills the apertures in the tubular wall, finishing substantially flush with the exterior surface of the tubular axle when the interior of the hollow tubular axle is not pressurised.
4. A roll support spindle as claimed in claim 1. wherein the elastomeric membrane is formed by rotational casting of an elastomeric material within the hollow tubular axle.
5. A roll support spindle as claimed in claim 1. wherein the fluid supply means comprise an air supply and release valve in one of the end plugs.
6. A roll support spindle as claimed in claim 1. wherein the apertures are evenly spaced around the circumference of the hollow tubular axle.
7. A roll support spindle as claimed in claim 4. wherein the elastomeric material is polyurethane.
PCT/AU1984/000176 1984-03-20 1984-09-10 Roll support spindle WO1985004223A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG415684 1984-03-20
AUPG4156 1984-03-20

Publications (1)

Publication Number Publication Date
WO1985004223A1 true WO1985004223A1 (en) 1985-09-26

Family

ID=3770543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1984/000176 WO1985004223A1 (en) 1984-03-20 1984-09-10 Roll support spindle

Country Status (3)

Country Link
EP (1) EP0174934A4 (en)
JP (1) JPS61502624A (en)
WO (1) WO1985004223A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003943A1 (en) * 1985-12-23 1987-07-02 Frederick Peter Kann Roll support spindle
AU585101B2 (en) * 1985-12-23 1989-06-08 Frederick Peter Kann Improved roll support spindle
EP0509604A1 (en) * 1991-04-18 1992-10-21 Kuiken N.V. Coupling device
DE4343323A1 (en) * 1993-12-18 1995-06-22 Bielomatik Leuze & Co Force transfer system with clutches in paper processing machine
US8430630B2 (en) 2009-07-17 2013-04-30 Rolls-Royce Plc Rotary coupling
CN109607325A (en) * 2018-12-26 2019-04-12 孙超 Yarn section of thick bamboo of easily adjusting that whole body is even

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111776883A (en) * 2020-07-13 2020-10-16 陈刚 Even physiosis axle of atress

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479725A1 (en) * 1980-04-02 1981-10-09 Daubie Jean Inflatable plastic mandrel to fit inside long pipe etc. - has protective end caps which fit snugly in each end of pipe
GB2097300A (en) * 1981-04-24 1982-11-03 Roehm Guenter H Clamping mandrel having a hydraulically expansible clamping sleeve
CA1152876A (en) * 1981-11-17 1983-08-30 John A. Aikin Bladder type hydraulic expander
AU691351B2 (en) * 1994-11-14 1998-05-14 Anton Steiger Seal for a piston-cylinder unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127124A (en) * 1964-03-31 Expansible mandrel
US2331743A (en) * 1942-05-23 1943-10-12 Marathon Paper Mills Co Roll spindle
US3053467A (en) * 1958-12-04 1962-09-11 Nashua Ind Machine Corp Expansible shaft
JPS5831846A (en) * 1981-08-18 1983-02-24 Nishimura Seisakusho:Kk Reel shaft

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479725A1 (en) * 1980-04-02 1981-10-09 Daubie Jean Inflatable plastic mandrel to fit inside long pipe etc. - has protective end caps which fit snugly in each end of pipe
GB2097300A (en) * 1981-04-24 1982-11-03 Roehm Guenter H Clamping mandrel having a hydraulically expansible clamping sleeve
CA1152876A (en) * 1981-11-17 1983-08-30 John A. Aikin Bladder type hydraulic expander
AU691351B2 (en) * 1994-11-14 1998-05-14 Anton Steiger Seal for a piston-cylinder unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0174934A4 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003943A1 (en) * 1985-12-23 1987-07-02 Frederick Peter Kann Roll support spindle
AU585101B2 (en) * 1985-12-23 1989-06-08 Frederick Peter Kann Improved roll support spindle
EP0509604A1 (en) * 1991-04-18 1992-10-21 Kuiken N.V. Coupling device
DE4343323A1 (en) * 1993-12-18 1995-06-22 Bielomatik Leuze & Co Force transfer system with clutches in paper processing machine
US5555964A (en) * 1993-12-18 1996-09-17 Bielomatik Leuze Gmbh & Co. Power transmission, particularly for an adjusting device
US8430630B2 (en) 2009-07-17 2013-04-30 Rolls-Royce Plc Rotary coupling
CN109607325A (en) * 2018-12-26 2019-04-12 孙超 Yarn section of thick bamboo of easily adjusting that whole body is even
CN109607325B (en) * 2018-12-26 2020-06-23 安徽竞秀纺织有限公司 Yarn section of thick bamboo of easily adjusting that whole body is even

Also Published As

Publication number Publication date
EP0174934A1 (en) 1986-03-26
EP0174934A4 (en) 1986-07-17
JPS61502624A (en) 1986-11-13

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