EP1381477B1 - Rateau racleur pour dispositif de nettoyage d'arbre et de disques de tamisage - Google Patents

Rateau racleur pour dispositif de nettoyage d'arbre et de disques de tamisage Download PDF

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Publication number
EP1381477B1
EP1381477B1 EP02710044A EP02710044A EP1381477B1 EP 1381477 B1 EP1381477 B1 EP 1381477B1 EP 02710044 A EP02710044 A EP 02710044A EP 02710044 A EP02710044 A EP 02710044A EP 1381477 B1 EP1381477 B1 EP 1381477B1
Authority
EP
European Patent Office
Prior art keywords
prongs
rake
scraper
tines
rake according
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
EP02710044A
Other languages
German (de)
English (en)
Other versions
EP1381477A1 (fr
Inventor
Norbert Kottmann
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.)
Eurec Technology Entsorgungsanlagen GmbH
Original Assignee
Eurec Technology Entsorgungsanlagen GmbH
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Filing date
Publication date
Application filed by Eurec Technology Entsorgungsanlagen GmbH filed Critical Eurec Technology Entsorgungsanlagen GmbH
Publication of EP1381477A1 publication Critical patent/EP1381477A1/fr
Application granted granted Critical
Publication of EP1381477B1 publication Critical patent/EP1381477B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B07B1/50—Cleaning
    • B07B1/52—Cleaning with brushes or scrapers
    • B07B1/526—Cleaning with brushes or scrapers with scrapers
    • 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

Definitions

  • the invention relates to a Abstreifrechen for a Siebusionn- and Wellklaungs device comprising a bar as a carrier a variety of knife-like prongs, with the tines in the screen disc spaces protrude as well as the screen disk shaft are oriented and the tines have at least two oppositely directed, Finger-shaped cutting with a recess in between according to the preamble of patent claim 1.
  • the cleaning unit has a cleaning comb, which in a Cleaning comb web comb knives holds.
  • the cleaning comb web is off a comb knife carrier with an adjusting screw and an over Clamping screws attached clamping plate constructed. Furthermore, there is the Possibility of cleaning comb by one each on the right and left side arranged straight guide, each with a trolley, of a roller chain is driven to move.
  • the scrapers are basically the columns between the Washers against the disc roller shaft or against the circumference of Intermediate discs pressed, wherein ausgestaltend the or the Abstreiferthere arranged transversely to their axes leaf or rod-shaped Feathers are provided.
  • the basic idea of the invention consists in the formation of a mobile Rechenzinkens, which is partly located in a pipe and is guided there.
  • An existing cutout or slot is made by a cap-like Covered dirt deflector, so that the entry of foreign bodies in the Pipe interior is effectively prevented.
  • the bar is for recording of the Longitudinal axis of the beam pivotable and / or radially displaceable Tines tubular. To put the tines on now to be able to attach the beam, this are in the upper Pipe area of the calculation bar Cylinder segment cut-outs and these opposite in the lower area holes brought in.
  • Front side is on the bar a mounting flange, preferably secured by welding.
  • the tines which consist for example of flat steel, have a tine foot with recess and threaded section.
  • the threaded portion may be cut or rotated, but also realized by welding a threaded bolt become.
  • the mentioned recess forms a stop for a cylindrical spring, which in the assembled state against the lower Supporting pipe interior.
  • the arcuate, cap-like Dirt deflector provided, preferably from a Pipe segment is made and welded to the tines or is compressed or shrunk.
  • the tines with tine and threaded section are over the Cylinder segment cut-outs and holes on the right-hand beam exchangeable and adjustable.
  • a preferred embodiment of the invention possess the cylinder segment cutouts inside stop edges for the tine foot, wherein the cutouts perpendicular to Arithmetic longitudinal axis and the radial edges with each other and adjacent milling areas run parallel.
  • the stop edge may have a chamfer, which is substantially corresponds to the tilt angle of the tines.
  • the holes in the lower tube area are lowered on the outside designed to be used in conjunction with a ball nut To form journal bearing for pivoting the tines.
  • the tine foot preferably has a rectangular cross-section, which in the area of the return in a square Form merges to the inner diameter of the cylinder spring is adapted.
  • the free length of the cylinder spring is less than or equal to Inner diameter of the bar.
  • the tubular segment-like dirt deflector is on the dimension side formed that between the deflectors of adjacent tines a minimal game is given to the penetration of dirt particles to prevent.
  • the cutting of the tines have in an expedient embodiment converging chamfers, wherein at least hardened in the area of cutting the metallic material or here a carbide insert is introduced.
  • a carbide insert is introduced.
  • the complete tines of carbide be made.
  • About adjusting the ball collar nut on the threaded section can be the radial position of the respective tine vary, wherein for fixing the end position, the respective Ball nut are countered.
  • the adjustment also changes the bias of the respective inner spring, thereby the retaining or cutting force is adjustable.
  • the chamfer angle of the cutting edges is based on the conicity shaped sections of the screen pulley shafts, the are between the screen discs, matched or corresponds this angle.
  • the calculation bar itself is in a manner known per se Slidable parallel to the screen disk shaft, so that the desired cleaning effects, also based on the Screen discs are guaranteed even.
  • the pivoting angle of the prongs is preferably in the range between ⁇ 3 ° and ⁇ 5 °.
  • the springs used are preferred cylindrical compression coil springs.
  • a scraper 1 is disposed below screen shafts 2 and located there screen disks 3.
  • the doctor blade 1 is used to remove materials that enter the screen disc spaces and settle there on the waves. About a mobility of the Abstreifrechens in the image plane into or out of this move the rake tines on the side of the discs and clean them.
  • a special tine 4 for use within the Abstreifrechens 1 is shown in Fig. 2.
  • the tine 4 has a tine foot 5 with return 6.
  • the Return 6 passes into a threaded section 7, which a ball nut 8 and a lock nut 9 receives.
  • the threaded section 7 can, as shown in the sectional view along A-A shown in the axis, in a corresponding recess of the lower foot area introduced and welded.
  • the blades 10 are oppositely directed and finger-shaped with a recess in between.
  • the cutting edges 10 of the tines 4 have each other running bevels 11.
  • the cutting angle of the cutting respectively the chamfers are designed so that effects are analogous a turning steel, so that it is a machinable Process and thus cuts in plastics, textiles and so forth, which undesirably causes the screen shafts wrap around and cling there.
  • Fig. 3 is the possibility of lateral
  • the mounted tine 4 is with a cylinder spring 12 within the tubular arithmetic bar 13 out.
  • the cylinder spring 12 relies on the one hand against the return 6 and on the other hand against the inner wall of the calculation bar thirteenth from.
  • a countersink 14 in a corresponding hole in the lower area of the calculation bar forms in conjunction with the ball collar nut 8 a kind of journal bearing.
  • the stop edges 16 for the Tines 4 includes.
  • a circular arc, cap-like dirt deflector 17 preferably secured by welding or pressing.
  • An end-side mounting flange 18 is used for fixing the arithmetic bar on a known carrier.
  • the stop edges 16 for the pivoting movement of the respective Tines 4 can be chamfered.
  • the cutouts 15 are perpendicular to the longitudinal axis of the bar and the radial edges of the individual cutouts are interlinked as well as to adjacent milling areas in parallel Position.
  • FIG. 5 The formation of the dirt deflector 17 and the distance of the individual tines 4 is shown in FIG. 5 chosen so that between the dirt deflectors 17 a minimal game results and the Cutting 10 of the prongs 4 spaced by a predetermined amount to a cone-shaped portion 19 of the screen disk shafts 2 run.
  • the cap-like dirt deflector 17 preferably have a tubular segment-shaped or cylindrical segment-shaped shape and are connected by welding to the tines 4.
  • the tines 4 are at least in the area of the cutting edges 10 hardened, consist altogether of a hard metal or wise a carbide attachment on.
  • the chamfer angle of the Schneidfasen 11 is on the taper the shaft sections 19 tuned or corresponds to this Angle.
  • the tilt angle of the tines is in the range between ⁇ 3 ° and ⁇ 5 °.
  • the inserted springs 12 are cylindrical Compression coil springs.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Claims (16)

  1. Râteau racleur (1) pour un dispositif de nettoyage d'arbre et de disques de tamisage, comprenant une poutre de râteau (13) à titre de support pour une pluralité de dents (4) analogues à des couteaux, lesdites dents (4) pénétrant dans les intervalles entre les disques de tamisage en étant orientées vers l'arbre (2) des disques de tamisage, et lesdites dents (4) présentant au moins deux tranchants (10) en forme de doigts orientés de façon opposée, avec un évidement situé entre eux,
    caractérisé en ce que :
    la poutre de râteau (13) est réalisée en forme de tube pour recevoir des dents (4) susceptibles de se déplacer en basculement autour de l'axe longitudinal de la poutre et/ou en translation radiale, et à cet effet une pluralité de fraisages (15) en forme de secteur cylindrique sont prévus dans la zone de tube supérieure, et des perçages dans la zone inférieure à l'opposé desdits fraisages, et il est en outre prévu respectivement du côté frontal une bride de fixation (18),
    les dents (4) présentent un pied de dent (5) avec un ressaut (6) et un tronçon fileté (7), le ressaut (6) formant une butée pour un ressort cylindrique (12) qui s'appuie, à l'état monté, contre la zone intérieure inférieure du tube ;
    il est en outre prévu au-dessus du ressaut (6) un élément de dégagement de saleté (17) en forme d'arc de cercle et analogue à un capuchon, et les dents (4) avec leur pied (5) et leur tronçon fileté (7) sont fixées de façon interchangeable et ajustable sur la poutre de râteau (13) via les fraisages (15) en forme de secteur de cylindre et les perçages.
  2. Râteau racleur selon la revendication 1, caractérisé en ce que les fraisages (15) en forme de secteur de cylindre présentent des arêtes de butée intérieures (16) pour le pied de dents (5), lesdits fraisages (15) s'étendant perpendiculairement à l'axe longitudinal de la poutre de râteau, et les arêtes radiales (16) s'étendant parallèlement les unes aux autres ainsi que parallèlement aux zones voisines des fraisages.
  3. Râteau racleur selon la revendication 2, caractérisé en ce que les arêtes de butée (16) présentent un chanfrein qui correspond essentiellement à l'angle de basculement des dents (4).
  4. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que les perçages sont réalisés en renfoncement (14), afin de former un logement de tourillon, en combinaison avec un écrou à collerette sphérique (8).
  5. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que le pied de dent (5) a une section de forme rectangulaire, qui se transforme en une forme carrée dans la région du ressaut (6).
  6. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que la longueur libre du ressort cylindrique (12) est inférieure ou égale au diamètre intérieur du tube (13) de la poutre de râteau
  7. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que les éléments de dégagement de saleté (17) en forme de capuchon présentent une conformation analogue à un secteur tubulaire et sont réalisés de telle manière qu'il existe un jeu minimum entre les éléments de dégagement de saleté de dents voisines (4).
  8. Râteau racleur selon la revendication 7, caractérisé en ce que les éléments de dégagement de saleté (17) sont en acier, tout comme les dents (4), et sont soudés respectivement les uns aux autres.
  9. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que les tranchants (10) des dents (4) présentent des chanfreins (11) convergeant l'un vers l'autre.
  10. Râteau racleur selon la revendication 9, caractérisé en ce que les dents (4) sont durcies au moins dans la région des tranchants (10), les dents (4) ou les tranchants (10) sont en métal dur, ou présentent un garnissage formé par au moins une applique en métal dur.
  11. Râteau racleur selon la revendication 4, caractérisé en ce que, par réglage de l'écrou à collerette sphérique (8), la position radiale de la dent respective (4) et la précontrainte du ressort cylindrique (12) sont réglables pour modifier la force de coupe, et il est prévu des contre-écrous respectifs (9) pour les écrous à collerette sphérique (8) afin de fixer la position finale.
  12. Râteau racleur selon la revendication 9, caractérisé en ce que l'angle du chanfrein est ajusté à la conicité de tronçons de forme correspondante de l'arbre (2) entre les disques de tamisage (3), ou correspond à ces tronçons.
  13. Râteau racleur selon la revendication 4, caractérisé en ce qu'il est prévu un lubrifiant permanent dans les zones respectives entre l'écrou à collerette sphérique (8) et le perçage.
  14. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que la poutre de râteau (13) est réalisée avec possibilité de translation parallèlement à l'arbre (2) des disques de tamisage.
  15. Râteau racleur selon la revendication 1, caractérisé en ce que l'angle de basculement des dents (4) tombe dans une plage entre ± 3 et ± 5°.
  16. Râteau racleur selon l'une des revendications précédentes, caractérisé en ce que les ressorts (12) sont respectivement des ressorts de compression hélicoïdaux cylindriques.
EP02710044A 2001-03-27 2002-01-28 Rateau racleur pour dispositif de nettoyage d'arbre et de disques de tamisage Expired - Lifetime EP1381477B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10114957 2001-03-27
DE10114957A DE10114957C1 (de) 2001-03-27 2001-03-27 Abstreifrechen für eine Siebscheiben- und Wellensäuberungs-Einrichtung
PCT/EP2002/000861 WO2002076636A1 (fr) 2001-03-27 2002-01-28 Rateau racleur pour dispositif de nettoyage d'arbre et de disques de tamisage

Publications (2)

Publication Number Publication Date
EP1381477A1 EP1381477A1 (fr) 2004-01-21
EP1381477B1 true EP1381477B1 (fr) 2005-04-27

Family

ID=7679181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02710044A Expired - Lifetime EP1381477B1 (fr) 2001-03-27 2002-01-28 Rateau racleur pour dispositif de nettoyage d'arbre et de disques de tamisage

Country Status (5)

Country Link
EP (1) EP1381477B1 (fr)
AT (1) ATE294029T1 (fr)
DE (2) DE10114957C1 (fr)
ES (1) ES2240709T3 (fr)
WO (1) WO2002076636A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005044552B4 (de) * 2005-09-17 2013-06-06 Backers Maschinenbau Gmbh Sternsieb mit Reinigungsvorrichtung
FI120820B (fi) * 2008-10-13 2010-03-31 Remu Oy Laite materiaalin seulontaan
CN104492683A (zh) * 2014-12-25 2015-04-08 四川皇龙智能破碎技术股份有限公司 一种滚轴筛的新型梳状式清扫装置
US10137573B2 (en) * 2016-08-10 2018-11-27 Cp Manufacturing, Inc. Cleaning robot for recycling equipment
CN107999390B (zh) * 2017-12-15 2024-04-26 华能国际电力股份有限公司上海石洞口第一电厂 一种滚轴筛清扫装置
CN109046912A (zh) * 2018-08-07 2018-12-21 太仓金马智能装备有限公司 一种碟形筛
CN114030102B (zh) * 2021-11-22 2024-12-10 梁美兰 用于烘干过滤色母粒的过滤网保养清洁设备
CN115056024B (zh) * 2022-05-30 2024-08-06 南京肯迈得精密机床有限公司 一种机床排屑装置
GB2629776A (en) * 2023-05-09 2024-11-13 Gravity Mining Ltd Separator-drum scraper-blade holder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE603341C (de) * 1934-09-27 Buckau R Wolf Akt Ges Maschf Abstreichvorrichtung fuer Scheibenwalzenroste zum Absieben von Schuettgut
DE474491C (de) * 1927-05-31 1929-04-04 Messner Franz Abreinigungsvorrichtung fuer Klassierroste
DE625491C (de) * 1933-01-21 1936-02-10 Buckau R Wolf Akt Ges Maschf Walzenabstreichvorrichtung
DE19825340C2 (de) * 1997-06-07 2002-07-25 Eurec Technology Gmbh Entsorgu Anordnung aus einer Siebscheiben- und Säuberungseinheit, wobei die Säuberungseinheit unterhalb der Scheibeneinheit befindlich ist

Also Published As

Publication number Publication date
DE50202918D1 (de) 2005-06-02
ATE294029T1 (de) 2005-05-15
WO2002076636A1 (fr) 2002-10-03
ES2240709T3 (es) 2005-10-16
EP1381477A1 (fr) 2004-01-21
DE10114957C1 (de) 2002-07-18

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