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WO1997009129A1 - Rotor a disques de tamisage - Google Patents

Rotor a disques de tamisage Download PDF

Info

Publication number
WO1997009129A1
WO1997009129A1 PCT/SE1996/001112 SE9601112W WO9709129A1 WO 1997009129 A1 WO1997009129 A1 WO 1997009129A1 SE 9601112 W SE9601112 W SE 9601112W WO 9709129 A1 WO9709129 A1 WO 9709129A1
Authority
WO
WIPO (PCT)
Prior art keywords
discs
cylindrical section
axle
disc
rotation
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.)
Ceased
Application number
PCT/SE1996/001112
Other languages
English (en)
Inventor
Gustav Fredriksson
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.)
Rotom Verkstader AB
Original Assignee
Rotom Verkstader AB
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 Rotom Verkstader AB filed Critical Rotom Verkstader AB
Publication of WO1997009129A1 publication Critical patent/WO1997009129A1/fr
Priority to NO980956A priority Critical patent/NO980956L/no
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4627—Repairing of screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4618—Manufacturing of screening surfaces

Definitions

  • the present invention relates to disc screens, and more specifically to an axle provided with discs, a so-called disc screen rotor, and its structure, for use together with corresponding disc screen rotors in a disc screen.
  • Disc screen rotors used in present disc screens comprise an axle, on which discs are arranged side by side. The distance between the discs is set by spacers disposed between every pair of adjacent discs. The discs are held in place by screw joints, which means that a nut arranged on at least one side of the rotor is used to press the discs together when it is tightened, so that they are fixedly located.
  • the present invention aims at removing the above-stated problems. This aim is achieved through a disc screen rotor as stated in the appended claims, in which is also stated that, which especially characterises the invention.
  • FIG. 1 is a perspective end view of a disc screen rotor intended for a disc screen
  • FIG. 2 is a side view of the axle in fig. 1, with no discs,
  • FIG. 3 is a cross-section of the disc in fig. 2 along the line III - III, and
  • FIG. 4 is a perspective end elevation view, broken away, corresponding that of fig. 1, but showing a disc being mounted.
  • a disc screen rotor 1 comprising an axle 2 and, disposed on it, a set of discs 3.
  • the axle 2 is at both its ends provided with spindles 4 and members, not shown, for driven rotation of the disc screen rotor 1.
  • the discs 3 are concentric around the axle 2.
  • the axle 2 is shown. Between the spindles 4, the axle has the shape of a cylinder 5, with a circular cross-section and with a diameter which is larger than the spindles 4.
  • the cylinder 5 is of a tubular shape.
  • grooves 6 are cut around the whole of its circumference. Said grooves 6 are cut with great precision concerning both their position in the longitudinal direction of the cylinder 5, and their width.
  • the discs 3 have a generally circular shape with a central hole 8.
  • Said hole 8 has a shape corresponding to the cross-sectional shape of the cylinder 5, see fig. 3.
  • the hole 8, which is basically circular, has four elements 9 projecting radially inwards corresponding to the grooves 7.
  • the mounting of the discs 3 on the cylinder 5 is carried out thus, that one disc at a time is mounted onto the cylinder 5 and moved to the position of the groove 6, where the disc is to be fixed. There the disc 3 is rotated so that the projecting elements 9 enter said groove 6, which rotation in the shown embodiment is approximately 45°. Through the precision of the disc 3 and of the grooves 6 the disc will be disposed in an axially accurate position.
  • the disc 3 may then be fixed onto the cylinder 5, e.g. by means of welding, hard-soldering or any other suitable method.
  • the design of the discs 3, and especially of the outer peripheral edge may vary in a number of different ways, depending on e.g. the material to be screened.
  • the number of grooves 7 in the axial direction of the cylinder 5 may also be varied. Such variations are, however, within the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un rotor (1) à disques de tamisage comprenant un arbre (2) et une série de disques (3) orientés radialement, fixés sur l'arbre (2), en étant concentriques par rapport à l'axe de rotation de celui-ci. L'arbre (2) présente une section cylindrique concentrique avec son axe de rotation et pourvue d'une série de rainures sur sa chemise, chacune s'étendant autour de toute sa circonférence. Au moins une rainure s'étend le long de la chemise de la section cylindrique parallèlement à l'axe de rotation de l'arbre. Les disques (3), présentant un trou à travers lequel on peut insérer la section cylindrique, sont montés sur la partie cylindrique et placés dans les rainures circonférentielles respectives de ladite section cylindrique et ils sont fixés à la section cylindrique.
PCT/SE1996/001112 1995-09-06 1996-09-06 Rotor a disques de tamisage Ceased WO1997009129A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO980956A NO980956L (no) 1995-09-06 1998-03-05 Skivesiktrotor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9503071A SE506921C2 (sv) 1995-09-06 1995-09-06 Skivsållaxel
SE9503071-4 1995-09-06

Publications (1)

Publication Number Publication Date
WO1997009129A1 true WO1997009129A1 (fr) 1997-03-13

Family

ID=20399385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1996/001112 Ceased WO1997009129A1 (fr) 1995-09-06 1996-09-06 Rotor a disques de tamisage

Country Status (3)

Country Link
NO (1) NO980956L (fr)
SE (1) SE506921C2 (fr)
WO (1) WO1997009129A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064171A1 (fr) * 1998-06-10 1999-12-16 Zemag Gmbh Disque pour tamis a grille de cylindre
WO2000007743A1 (fr) * 1998-07-31 2000-02-17 Zemag Gmbh Tamis a grilles a rouleaux
EP1010508A1 (fr) * 1998-12-14 2000-06-21 G. SIEMPELKAMP GmbH & Co. Tamis à rouleaux ou machine d'épandage
WO2003043749A1 (fr) * 2001-11-23 2003-05-30 Raumaster Oy Criblage de copeaux de bois
EP3804865A1 (fr) * 2019-10-10 2021-04-14 Bollegraaf Patents and Brands B.V. Transporteur tamiseur à écran

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132217A2 (fr) * 1983-07-14 1985-01-23 Beloit Corporation Appareil de tamisage à disques, ensembles de disques et procédé

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132217A2 (fr) * 1983-07-14 1985-01-23 Beloit Corporation Appareil de tamisage à disques, ensembles de disques et procédé

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064171A1 (fr) * 1998-06-10 1999-12-16 Zemag Gmbh Disque pour tamis a grille de cylindre
WO2000007743A1 (fr) * 1998-07-31 2000-02-17 Zemag Gmbh Tamis a grilles a rouleaux
EP1010508A1 (fr) * 1998-12-14 2000-06-21 G. SIEMPELKAMP GmbH & Co. Tamis à rouleaux ou machine d'épandage
WO2003043749A1 (fr) * 2001-11-23 2003-05-30 Raumaster Oy Criblage de copeaux de bois
EP3804865A1 (fr) * 2019-10-10 2021-04-14 Bollegraaf Patents and Brands B.V. Transporteur tamiseur à écran
NL2023991B1 (en) * 2019-10-10 2021-06-17 Bollegraaf Patents And Brands B V Separating screen conveyor
US11253891B2 (en) 2019-10-10 2022-02-22 Bollegraaf Patents And Brands B.V. Separating screen conveyor

Also Published As

Publication number Publication date
NO980956L (no) 1998-04-30
SE506921C2 (sv) 1998-03-02
SE9503071L (sv) 1997-03-07
NO980956D0 (no) 1998-03-05
SE9503071D0 (sv) 1995-09-06

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