EP1330401B1 - Appareil de manutention de materiaux - Google Patents

Appareil de manutention de materiaux Download PDF

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Publication number
EP1330401B1
EP1330401B1 EP01980653A EP01980653A EP1330401B1 EP 1330401 B1 EP1330401 B1 EP 1330401B1 EP 01980653 A EP01980653 A EP 01980653A EP 01980653 A EP01980653 A EP 01980653A EP 1330401 B1 EP1330401 B1 EP 1330401B1
Authority
EP
European Patent Office
Prior art keywords
actuator
valve
drive shaft
container
outlet
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.)
Expired - Lifetime
Application number
EP01980653A
Other languages
German (de)
English (en)
Other versions
EP1330401A1 (fr
Inventor
Edward John Piepereit
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.)
Matcon R&D Ltd
Original Assignee
Matcon R&D Ltd
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 Matcon R&D Ltd filed Critical Matcon R&D Ltd
Publication of EP1330401A1 publication Critical patent/EP1330401A1/fr
Application granted granted Critical
Publication of EP1330401B1 publication Critical patent/EP1330401B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/62—Gates or closures having closure members movable out of the plane of the opening
    • B65D90/626—Gates or closures having closure members movable out of the plane of the opening having a linear motion

Definitions

  • the invention relates to material handling apparatus, particularly to such apparatus as is used for discharging flowable particulate material such as a powder from a container therefor, such as an IBC.
  • Such material is usually discharged through an (in use) lower outlet aperture of the container, which aperture is usually obturated by a valve means which is usually conical or frusto-conical.
  • This valve means obturates the aperture by setting down on a hopper outlet of the container.
  • the valve is raised by means, usually a bellows situated therebelow and internally of the hopper outlet to form an annular outlet through which material flows during discharge.
  • a vibrator ensures that there is no tendency in the material to "bridge” or form “rat holes” which otherwise lead to uneven flow or, in the former case, no flow at all.
  • the bellows is either inflated, or deflated, so providing only extreme end positions and no intermediate positions.
  • Relevant prior art includes WO 90/08724 .
  • This configuration results in a reduced overall height for the apparatus which is advantageous because it occupies less space, is easier to work upon and can be operated in confined areas when compared to previous devices. There is also improved access to the drive means for assembly/maintenance.
  • the drive means includes a drive shaft. This is a convenient way of providing a direct drive to the adjustment means.
  • the drive shaft and adjustment means may be operatively connected via a bevel gear arrangement.
  • the drive shaft may be mounted for rotation in a tubular housing. This is a convenient arrangement which prevents any contamination effecting the functioning of the drive shaft.
  • the apparatus may include hopper means to assist in delivery of material and the drive shaft may extend outside of the hopper means. This provides for convenient access to the drive shaft and motor attached thereto.
  • the apparatus may include means to measure the extent of movement of the drive means. This provides a convenient method of assessing the lift height position.
  • the measuring means may comprise a rotary encoder.
  • the adjustment means may be mounted within a housing. This obviates the risk of the adjustment means becoming contaminated with material being delivered.
  • a material handling system comprising apparatus as described hereinabove, and a container for particulate material including an outlet normally obturated by a raisable valve.
  • FIG. 1 prior art apparatus is illustrated which comprises a hopper outlet (i) which defines an opening (ii) through which material from a container such as an intermediate bulk container (vii) can be passed for further handling.
  • An actuator (iii) is provided for raising and lowering a valve (iv) of the container, the actuator comprising a bellows (v). Inflation of the bellows (v) raises a conical probe (vi) mounted thereon.
  • a piston/cylinder device (viii) mounted centrally below the actuator and probe is provided which can be operated to adjust the height of the cross beam. As described thus far this apparatus is well known in the art.
  • FIG. 2 there is illustrated material handling apparatus 1 for gravity discharge of flowable particulate material through an outlet of a container (not shown) which outlet is normally obturated by a valve which is raisable into the container for material flow through the outlet, the apparatus 1 comprising a probe 2 for contacting the valve, operatively connected to an actuator 3, and adjustment means 5 to vary the extent of operation of the actuator, the adjustment means being operable via drive means 4 disposed at substantially 90° to the direction of operation.
  • the actuator and probe arrangement are as known and illustrated in the prior art, the actuator comprising a bellows operable to lift the raisable beam and conical probe with respect to a cross beam 6.
  • the adjustment means 5 comprises a rotatable shaft mounted within a cylindrical support housing 7 which passes in substantially horizontally through the wall of the hopper 8. Bearings 9 are provided within the housing upon which the shaft can rotate. At its outer (as viewed) end the shaft is configured for mounting of a means for detecting shaft rotation, such as for example a rotary encoder.
  • the shaft is coupled by any suitable means to the drive means which can be a servomotor or air motor 10.
  • the shaft in the cylindrical housing 7 terminates in a housing 17 in which the adjustment means 5 is mounted.
  • the inner end of the shaft is provided with teeth 4a.
  • the teeth 4a form part of a bevel gear arrangement 11, by which the drive means 4 connects to the adjustment means 5.
  • the adjustment means 5 is of a known type and therefore will not be described herein in detail.
  • a thrust bearing 12 is provided beneath the bevel gear and together the bevel gear and thrust bearing support tube 13 which has splines 14 in its interior circumference.
  • a threaded tie rod 15 is disposed, which includes a female threaded adjusting bush 16.
  • the support tube 13, bevel gear assembly 11 and thrust bearing 12 are all mounted for rotation within housing 17 on which is positioned the cross beam 6 of the bellows 3.
  • the height adjuster means 5 is used to vary the height of lift of the actuator 3, as is known in the art by adjusting the position of the bush 16 relative to cross beam 6.
  • the apparatus 1 can be operated in continuous or pulse mode, the height adjustment being effected in either, also either during discharge or when switched off.
  • apparatus according to the invention benefits over prior art devices from increased torque (through the gearing) and/or reduced air motor size.
  • apparatus according to the invention benefits over prior art devices from increased torque (through the gearing) and/or reduced air motor size.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Claims (9)

  1. Appareil de manutention de matériel (1) pour la décharge par gravité d'un matériau particulaire fluide à travers une sortie d'un conteneur, normalement obturée par une soupape pouvant être soulevée dans le conteneur en vue d'un écoulement du matériau à travers la sortie, l'appareil (1) comprenant une sonde (2) pour contacter la soupape, connectée en service à un dispositif d'actionnement (3), caractérisé en ce que le dispositif d'actionnement peut être déplacé uniquement entre des positions d'extrémité extrêmes, constituées par une position rétractée et une position étendue, sans positions intermédiaires, et en ce qu'il comprend un moyen d'ajustement (5) pour changer la position étendue et par suite l'étendue du déplacement du dispositif d'actionnement (3) sur la soupape, le moyen d'ajustement (5) pouvant être actionné par l'intermédiaire d'un moyen d'entraînement (4) agencé à environ 90° par rapport à la direction de déplacement du dispositif d'actionnement (3).
  2. Appareil selon la revendication 1, le moyen d'entraînement (4) englobant un arbre d'entraînement.
  3. Appareil selon la revendication 2, l'arbre d'entraînement et le moyen d'ajustement (5) étant connectés en service par l'intermédiaire d'un engrenage conique (11).
  4. Appareil selon les revendications 2 ou 3, l'arbre d'entraînement étant monté dans un boîtier tubulaire (7) en vue d'une rotation.
  5. Appareil selon l'une quelconque des revendications 2 à 4, englobant un moyen de trémie pour la distribution du matériau, l'arbre d'entraînement s'étendant à l'extérieur du moyen de trémie.
  6. Appareil selon l'une quelconque des revendications précédentes, englobant un moyen pour mesurer l'étendue du déplacement du moyen d'entraînement.
  7. Appareil selon la revendication 6, le moyen de mesure comprenant un codeur rotatif.
  8. Appareil selon l'une quelconque des revendications précédentes, le moyen d'ajustement étant monté dans un boîtier (17).
  9. Système de manutention de matériel, comprenant un appareil (1) selon l'une quelconque des revendications précédentes, et un conteneur pour un matériau particulaire englobant une sortie normalement obturée par une soupape à soulèvement.
EP01980653A 2000-10-30 2001-10-30 Appareil de manutention de materiaux Expired - Lifetime EP1330401B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0026486A GB0026486D0 (en) 2000-10-30 2000-10-30 Mechanical handling apparatus
GB0026486 2000-10-30
PCT/GB2001/004800 WO2002036459A1 (fr) 2000-10-30 2001-10-30 Appareil de manutention de materiaux

Publications (2)

Publication Number Publication Date
EP1330401A1 EP1330401A1 (fr) 2003-07-30
EP1330401B1 true EP1330401B1 (fr) 2007-12-12

Family

ID=9902192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01980653A Expired - Lifetime EP1330401B1 (fr) 2000-10-30 2001-10-30 Appareil de manutention de materiaux

Country Status (5)

Country Link
EP (1) EP1330401B1 (fr)
AU (1) AU2002212447A1 (fr)
DE (1) DE60131877T2 (fr)
GB (1) GB0026486D0 (fr)
WO (1) WO2002036459A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0715388D0 (en) * 2007-08-07 2007-09-19 Matcon R & D Ltd Material handling apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE349158C (de) * 1922-02-25 Siemens Schuckertwerke G M B H Bunkerverschluss bei Luftfoerderanlagen fuer Schuettgut
DE2145015A1 (de) * 1971-09-09 1973-03-15 Miag Muehlenbau & Ind Gmbh Vorrichtung zum einstellbaren oeffnen eines absperrers
FR2450760A1 (fr) * 1979-03-09 1980-10-03 Auffret Jean Perfectionnements apportes aux trappes commandant l'ecoulement des produits en vrac
EP0045163B1 (fr) * 1980-07-24 1987-09-09 Solitec Limited Déchargeur de matériaux
NO890321D0 (no) * 1989-01-26 1989-01-26 Maritime Gmc A S Justerbar utmatingsventil for containere/lagertanker/siloer for pulverformede materialer.

Also Published As

Publication number Publication date
GB0026486D0 (en) 2000-12-13
AU2002212447A1 (en) 2002-05-15
EP1330401A1 (fr) 2003-07-30
WO2002036459A1 (fr) 2002-05-10
DE60131877T2 (de) 2008-12-04
DE60131877D1 (de) 2008-01-24

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