FR2474352A1 - SCRIBING GRID FOR GRANULATOR GRINDER - Google Patents
SCRIBING GRID FOR GRANULATOR GRINDER Download PDFInfo
- Publication number
- FR2474352A1 FR2474352A1 FR8101854A FR8101854A FR2474352A1 FR 2474352 A1 FR2474352 A1 FR 2474352A1 FR 8101854 A FR8101854 A FR 8101854A FR 8101854 A FR8101854 A FR 8101854A FR 2474352 A1 FR2474352 A1 FR 2474352A1
- Authority
- FR
- France
- Prior art keywords
- plate
- grid
- granulator
- shirts
- grinder
- 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.)
- Granted
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
- B07B1/469—Perforated sheet-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/148—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers specially adapted for disintegrating plastics, e.g. cinematographic films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
DANS CHAQUE TROU 2 DE LA PLAQUE COURBE 1 DU STATOR DU BROYEUR EST EMMANCHEE UNE CHEMISE INTERCHANGEABLE 3 DE DURETE SUPERIEURE A CELLE DE LA PLAQUE. ON OBTIENT DE CETTE FACON UNE PLUS GRANDE RESISTANCE AUX SOLLICITATIONS ET UNE PLUS FAIBLE USURE. LORSQU'ELLES SONT USEES, LES CHEMISES 3 PEUVENT ETRE REMPLACEES PAR DES CHEMISES NEUVES SANS QU'IL SOIT NECESSAIRE DE REMPLACER L'ENSEMBLE DE LA GRILLE.IN EACH HOLE 2 OF THE CURVED PLATE 1 OF THE STATOR OF THE CRUSHER IS FITTED AN INTERCHANGEABLE SHIRT 3 OF GREATER HARDNESS THAN THAT OF THE PLATE. IN THIS WAY GREATER RESISTANCE TO STRESSES AND LESS WEAR ARE OBTAINED. WHEN THEY ARE WORN, THE SHIRTS 3 CAN BE REPLACED BY NEW SHIRTS WITHOUT THE NECESSARY TO REPLACE THE ENTIRE GRID.
Description
La présente invention concerne une grille cri-The present invention relates to a Cree grid.
blante pour broyeur-granvlateur.grantee for grinder-granvlator.
Il est connu qu'un broyeur granulateur est une machine capable de réduire aux dimensions delpetits grains ou granulés des morceaux de matières de tous types et de toutes formes. Il comprend généralement un rotor à axe It is known that a granulator mill is a machine capable of reducing to the dimensions of small grains or granules pieces of material of all types and all shapes. It generally includes an axis rotor
horizontal qu'on fait tourner à l'intérieur de la cavi- horizontal that is rotated inside the cavi-
té d'un stator qui communique à sa partie supérieure tee of a stator which communicates to its upper part
avec une trémie d'alimentatio-n et est fermé dans sa ré- with a feed hopper and is closed in its re-
gion inférieure par une grille criblante de forme cour- lower gion by a screening grid of short form
be. Le rotor est muni de lames radiales qui coopèrent pendant la rotation avec des contre-lames fixes qui font be. The rotor is provided with radial blades which cooperate during rotation with fixed counterblades which make
partie du stator pour découper et fragmenter progressi- part of the stator to cut and fragment progressively
vement la matière jusqu'à ce qu'elle soit réduite aux dimensions de grains capables de passer à travers les trous de la grille criblante et d'atteindre de cette the material until it is reduced to the size of grains capable of passing through the holes of the screening screen and reaching this
façon un espace collecteur sous-jacent. like an underlying collector space.
Un problème que posent les broyeurs granula- A problem with granulators
teurs actuels est représenté par l'usure de la grille criblante, laquelle subit de fortes sollicitations et de fortes déformations consécutives à ces sollicitations, notamment lorsque, ainsi que cela se produit fréquemment, un grain possédant certes des dimensions transversales Current tors is represented by the wear of the screening screen, which undergoes strong stresses and strong deformations consecutive to these stresses, in particular when, as it frequently happens, a grain certainly having transverse dimensions
réduites mais une longueur encore excessive, s'est en- reduced but still excessive length, became
gagé dans un trou de la grille et,alors qu'il est ainsi engagé, est attaqué par une lame du rotor et fortement sollicité à la déchirure contre la paroi du trou. Cet inconvénient, que l'on observe en particulier dans le gage in a hole of the grid and, while it is thus engaged, is attacked by a blade of the rotor and strongly subjected to tearing against the wall of the hole. This drawback, which is observed in particular in the
cas de produits à base de caoutchouc, entra ne la néces- rubber products, does not require
site de remplacements périodiques de la grille, et des site for periodic replacements of the grid, and
frais correspondants.corresponding costs.
Le but de l'invention est de réaliser une gril- The object of the invention is to produce a grill
le criblante pour broyeur granulateur qui ne subisse qu'une usure plus faible et qui, en tous cas, donne lieu the screen for granulator mill which undergoes less wear and which, in any case, gives rise
à des frais d'entretien plus réduits. at lower maintenance costs.
Suivant l'invention, ce but est atteint au moyen d'une grille criblante comprenant une plaque percée de trous, caractérisée par le fait que, dans chacun de ces trous est emmanchée une chemise interchangeable de According to the invention, this object is achieved by means of a screening grid comprising a plate pierced with holes, characterized in that, in each of these holes is fitted an interchangeable jacket of
dureté supérieure à celle de la plaque. hardness greater than that of the plate.
L'utilisation de chemises d'une dureté supé- The use of shirts of higher hardness
rieure permet évidemment d'obtenir une plus grande ré- obviously makes it possible to obtain a greater
sistance aux sollicitations et, par conséquent, une resistance to stresses and, consequently, a
plus faible usure et une plus grande longévité. En ou- lower wear and longer service life. In or-
tre, lorsque les chemises se sont usées, il n'est plus tre, when the shirts have worn out, it is no longer
nécessaire de remplacer l'ensemble de la grille mais uni- necessary to replace the whole grid but uni-
quement les chemises. Il en résulte évidemment un coet only shirts. This obviously results in a cost
d'entretien très réduit.very low maintenance.
Chaque chemise est de préférence munie d'un tranchant intérieur à son extrémité qui est dirigée vers le rotor en position d'utilisation. Ce tranchant Each liner is preferably provided with an inner cutting edge at its end which is directed towards the rotor in the position of use. This sharp
a pour fonction de faciliter la rupture par coupeplu- has the function of facilitating breakage by
t8t que par déchirure, des grains déjà partiellement engagés clans les trous de la grille et, du fait de sa dureté, il s'use très lentement, en garantissant ainsi au produit une qualité optimale pendant longtemps. Etant donné qu'on fait toujours tourner le rotor dans le m9me t8t that by tearing, grains already partially engaged in the holes of the grid and, because of its hardness, it wears very slowly, thus guaranteeing the product an optimal quality for a long time. Since we always rotate the rotor in the same
sens et que, par conséquent c'est toujours la m9me moi- meaning and therefore it's always the same me-
tié du tranchant qui travaille et s'use, il est égale- third of the cutting edge that works and wears out, it is also
ment possible de doubler la durée du tranchant et, par conséquent, celle de la chemise, en retournant cette It is possible to double the length of the cutting edge and therefore that of the shirt, by turning this
chemise de 1800 au moment voulu. L'autre moitié du tran- shirt from 1800 when needed. The other half of the tran-
chant, parfaitement intacte, est alors prête pour le travail. song, perfectly intact, is then ready for work.
D'autres caractéristiques et avantages de l'in- Other features and advantages of the
vention seront mieux compris à la lecture de la descrip- vention will be better understood on reading the description
tion qui va suivre d'un exemple de réalisation et en se référant aux dessins annexés sur lesquels, la figure 1 est une vue de dessus, développée dans un plan, d'une grille criblante suivant l'invention démunie de ses chemises; la figure 2 représente la grille équipée de chemises, en coupe suivant la ligne II-II de la figure 1 et avec la courbure prévue pour le fonctionnement; tion which will follow from an exemplary embodiment and with reference to the accompanying drawings in which, Figure 1 is a top view, developed in a plan, of a screen grid according to the invention stripped of its shirts; Figure 2 shows the grid fitted with liners, in section along line II-II of Figure 1 and with the curvature provided for operation;
la figure 3 représente une partie de la gril- Figure 3 shows part of the grill.
le de la figure 2, par une vue de dessus, la figure 4 représente la même partie de la the of Figure 2, from a top view, Figure 4 shows the same part of the
grille mais vue de dessous.grid but view from below.
La grille criblante représentée sur les des- The screening grid shown on the
sins comprend une plaque métallique 1 percée de trous circulaires répartis 2, la grille étant représentée développée dans un plan sur la figure 1 tandis que, en sins comprises a metal plate 1 pierced with distributed circular holes 2, the grid being shown developed in a plane in FIG. 1 while, in
réalité elle-est destinée à être utilisée dans un broy- reality it is intended to be used in a shredder
eur granulateur sous sa forme courbe représnntée sur eur granulator in its curved form represented on
la figure 2.Figure 2.
Dans chacun des trous est emmanchée une che- In each of the holes is fitted a sleeve
mise interchangeable 3 qui est retenue en position par son bord terminal retourné 4 et par une bague d'arrêt , ce bord et cette bague coopérant respectivement avec interchangeable setting 3 which is retained in position by its inverted end edge 4 and by a stop ring, this edge and this ring cooperating respectively with
les faces opposées de la plaque 1. La matière constitu- the opposite sides of the plate 1. The material
tive des chemises est choisie de manière à garantir à tive shirts is chosen so as to guarantee
ces chemises une dureté, et par conséquent une résis- these shirts a hardness, and therefore a resistance
tance aux sollicitations, très supérieures à celles tance to the demands, much higher than those
de la plaque 1.from plate 1.
Comme on peut le voir sur la figure 2, l'ex- As can be seen in Figure 2, the former
trémité de chaque chemise 3 qui est dirigée vers le cen- end of each shirt 3 which is directed towards the center
tre de courbure de la plaque 1 et vers le rotor du broy- curvature of the plate 1 and towards the grinder rotor
eur granulateur en position de fonctionnement, est munie eur granulator in operating position, is provided
d'un tranchant intérieur circulaire 6 qui a pour fonc- of a circular inner cutting edge 6 which has the function of
tion de faciliter aux lames du rotor la coupe des grains to facilitate the cutting of the grains by the rotor blades
de longueur excessive qui peuvent déjà ttre partielle- excessive length which may already be partial-
ment engagés clans la lumière axiale des chemises 3. engaged in the axial lumen of the shirts 3.
Pour remplacer chaque chemise 3 et également pour faire tourner chaque chemise de 1800 lorsque la première moitié du tranchant 6 est usée, il suffit de To replace each liner 3 and also to rotate each liner of 1800 when the first half of the cutting edge 6 is worn, it suffices to
retirer temporairement la bague d'arret 5 correspondante. temporarily remove the corresponding stop ring 5.
Bien entendu, diverses modifications pourront %tre apportées au dispositif qui vient d'ttre décrit uniquement à titre d'exemple non limitatif sans pour Of course, various modifications could be made to the device which has just been described solely by way of nonlimiting example without for
cela sortir du cadre de l'invention. this is outside the scope of the invention.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2062880U IT8020628V0 (en) | 1980-01-30 | 1980-01-30 | SELECTOR GRID FOR GRANULATOR MILL. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2474352A1 true FR2474352A1 (en) | 1981-07-31 |
FR2474352B1 FR2474352B1 (en) | 1985-09-13 |
Family
ID=11169756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8101854A Expired FR2474352B1 (en) | 1980-01-30 | 1981-01-30 | SCRIBING GRID FOR GRANULATOR GRINDER |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS615954Y2 (en) |
AT (1) | AT378131B (en) |
BE (1) | BE887288A (en) |
DE (1) | DE3100097A1 (en) |
ES (1) | ES255240Y (en) |
FR (1) | FR2474352B1 (en) |
GB (1) | GB2068260B (en) |
IT (1) | IT8020628V0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2564755A1 (en) * | 1984-05-22 | 1985-11-29 | Morando Spa Off | Clay cleaning drum |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19609347A1 (en) * | 1996-03-11 | 1997-09-18 | Albert Hoffmann Gmbh | Device for shredding sheet metal and. material |
ES2154149B1 (en) * | 1998-05-27 | 2001-12-01 | Serveis De Produccio Empresari | IMPROVEMENTS IN FIBER BOARD FLOOR TRANSPORTER SYSTEMS. |
CN102814210A (en) * | 2012-08-23 | 2012-12-12 | 何一标 | Sieve plate of hammerhead crusher |
CN108421609B (en) * | 2018-05-18 | 2023-09-12 | 贵州杉海沿环保科技有限责任公司 | Garbage crushing treatment device for garbage landfill |
CN110433923A (en) * | 2019-08-13 | 2019-11-12 | 湖北力帝机床股份有限公司 | Nonferrous metal crusher lattice structure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB226888A (en) * | 1923-10-03 | 1925-01-05 | Jeffrey Mfg Co | Improvements in pulverizing, shredding and like machines |
GB729938A (en) * | 1952-09-03 | 1955-05-11 | Samuel Royston Griffin | Improvements in and relating to screen plates more particularly for the treatment ofmetallic ores |
FR1351665A (en) * | 1963-02-07 | 1964-02-07 | Ferdinand Mohr | Hole screen |
FR2249718A1 (en) * | 1973-11-05 | 1975-05-30 | Randtron | |
DE2532379A1 (en) * | 1975-07-19 | 1977-02-10 | Schade Maschf Gustav | Coated sieve plate - has cladding of hard wearing material round perforations |
-
1980
- 1980-01-30 IT IT2062880U patent/IT8020628V0/en unknown
- 1980-12-17 GB GB8040467A patent/GB2068260B/en not_active Expired
- 1980-12-24 ES ES1980255240U patent/ES255240Y/en not_active Expired
-
1981
- 1981-01-03 DE DE19813100097 patent/DE3100097A1/en not_active Withdrawn
- 1981-01-09 AT AT6381A patent/AT378131B/en not_active IP Right Cessation
- 1981-01-20 JP JP539081U patent/JPS615954Y2/ja not_active Expired
- 1981-01-29 BE BE0/203637A patent/BE887288A/en not_active IP Right Cessation
- 1981-01-30 FR FR8101854A patent/FR2474352B1/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB226888A (en) * | 1923-10-03 | 1925-01-05 | Jeffrey Mfg Co | Improvements in pulverizing, shredding and like machines |
GB729938A (en) * | 1952-09-03 | 1955-05-11 | Samuel Royston Griffin | Improvements in and relating to screen plates more particularly for the treatment ofmetallic ores |
FR1351665A (en) * | 1963-02-07 | 1964-02-07 | Ferdinand Mohr | Hole screen |
FR2249718A1 (en) * | 1973-11-05 | 1975-05-30 | Randtron | |
DE2532379A1 (en) * | 1975-07-19 | 1977-02-10 | Schade Maschf Gustav | Coated sieve plate - has cladding of hard wearing material round perforations |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2564755A1 (en) * | 1984-05-22 | 1985-11-29 | Morando Spa Off | Clay cleaning drum |
Also Published As
Publication number | Publication date |
---|---|
FR2474352B1 (en) | 1985-09-13 |
JPS615954Y2 (en) | 1986-02-22 |
DE3100097A1 (en) | 1981-11-26 |
JPS56159141U (en) | 1981-11-27 |
ATA6381A (en) | 1984-11-15 |
AT378131B (en) | 1985-06-25 |
ES255240U (en) | 1981-03-16 |
BE887288A (en) | 1981-05-14 |
IT8020628V0 (en) | 1980-01-30 |
GB2068260B (en) | 1983-05-25 |
ES255240Y (en) | 1981-10-01 |
GB2068260A (en) | 1981-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |