EP0428183B1 - Appareillage pour broyer et séparer des grains - Google Patents

Appareillage pour broyer et séparer des grains Download PDF

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Publication number
EP0428183B1
EP0428183B1 EP90122696A EP90122696A EP0428183B1 EP 0428183 B1 EP0428183 B1 EP 0428183B1 EP 90122696 A EP90122696 A EP 90122696A EP 90122696 A EP90122696 A EP 90122696A EP 0428183 B1 EP0428183 B1 EP 0428183B1
Authority
EP
European Patent Office
Prior art keywords
machine housing
flap
hood
locks
opening
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
EP90122696A
Other languages
German (de)
English (en)
Other versions
EP0428183A2 (fr
EP0428183A3 (en
Inventor
Helmut Gemsjäger
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.)
Buehler GmbH
Original Assignee
Buehler GmbH
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
Priority claimed from DE19883807843 external-priority patent/DE3807843A1/de
Priority claimed from DE3812056A external-priority patent/DE3812056A1/de
Application filed by Buehler GmbH filed Critical Buehler GmbH
Priority to EP94101739A priority Critical patent/EP0598705B1/fr
Publication of EP0428183A2 publication Critical patent/EP0428183A2/fr
Publication of EP0428183A3 publication Critical patent/EP0428183A3/de
Application granted granted Critical
Publication of EP0428183B1 publication Critical patent/EP0428183B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C11/00—Other auxiliary devices or accessories specially adapted for grain mills
    • B02C11/06—Arrangements for preventing fire or explosion
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/06—Crushing or disintegrating by roller mills with two or more rollers specially adapted for milling grain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—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
    • B02C9/00—Other milling methods or mills specially adapted for grain
    • B02C9/04—Systems or sequences of operations; Plant
    • 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
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • 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
    • 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
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/06—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
    • E05C9/063—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars extending along three or more sides of the wing or frame

Definitions

  • the present invention relates to a device according to the preamble of claim 1.
  • mills are provided with a series of large flaps or doors pivotably hinged to the machine housing, via which the inside of the mill, in particular the rollers and the screens, is accessible for inspection, cleaning and repair purposes.
  • These are access doors which are common in mechanical and apparatus engineering for similar purposes, which are hinged to hinges and can be locked at the edge opposite the hinges by means of commercially available rotary lever locks.
  • Usually only such a closure is provided; in exceptional cases, however, such as in the case of particularly large doors, two such locks are occasionally used, which are generally to be operated individually or in succession.
  • - locks to be operated by means of a separate socket wrench or corresponding screw connections are also used.
  • the predetermined openings for example in the form of rupture disks or explosion flaps, must be of considerable size in view of the not inconsiderable volume of the working space of malt grist mills if the pressure relief is actually to be effective, ie the mill itself and thus also its maintenance enclosing the working space. or cover flaps should not be damaged.
  • the pressure relief does not have to take place directly into the work area, but into the open, for which purpose discharge pipes are required.
  • a security device against violent opening of the doors of safes is known, with soft movable rails, which are located inside the safes around the door opening and behind the housing-side door stop, around locking elements in the form of bolt heads grab when the door is locked.
  • the rails are moved in the longitudinal direction by a common actuating device in the form of a handwheel or handle until the bolt heads can exit through corresponding cutouts or engage behind the rails in a locking manner.
  • a disadvantage of this known device is that the common actuating device is passed through the door, for which purpose a corresponding recess which weakens the door is required in the door.
  • the actuating device increases the mass of the door to be moved and requires an additional space in front of the door.
  • the invention has for its object to provide a device according to the preamble of claim 1, in which the access flaps or hoods are designed to be particularly pressure-shock resistant with a simple actuation option, without the flaps or hoods themselves being made unnecessarily heavy or stable need and require a lot of space.
  • the explosion pressure forces are distributed over the entire edge of the flaps or hoods into the machine housing, so that a correspondingly large distribution of the explosion pressure forces is possible.
  • the number of articulation and locking elements is essentially free and of such a size selectable so that the maximum forces on the individual articulation or locking point remain manageable. It is particularly advantageous that no recesses are required in the flap or hood to carry out the common actuating member, for example a handle, so that there is no additional weakening of the flap or hood. Despite the large number of locking elements to be actuated, the way to practical operation by means of a single handle is opened without the mass of the flap or hood being increased by the handle itself.
  • Another advantage is that the common actuator can be housed so that it does not protrude forward from the flap or hood. As a result, the space required for pivoting the flap or hood is reduced and there is no risk that operators could injure themselves on a protruding actuating device.
  • each articulation or locking element has to absorb approximately the same pressure forces in the event of an explosion, which leads to an equalization of the loads on all sides.
  • the features of claim 3 represent a practical design of the individual locking points, wherein the movable locking elements are advantageously arranged in the form of the bolt inside the machine housing, where there are favorable spatial conditions for accommodating the mechanics required for mobility with simultaneous weight relief the flaps or hoods of this mechanism.
  • the features of claim 5 represent an expedient implementation of the activation of all locking elements or the movement of all bolts with a single handle, wherein a locking in the locking position is also provided.
  • FIG. 1 essentially consists of two supporting columns 2 of the machine housing 3 projecting from a base plate 1, between which three roller packages 4, 5 and 6 formed as self-contained units by indicated screw connections 4 ', 5', 6 ' are fixed (see also FIG. 2) and from two screen units 7, 8 arranged between the second roll package 5 and the lowermost roll package 6, with a counter-rotating drive 9.
  • the sieve units 7, 8 are symmetrical and each have two inclined, double-bottomed sieve compartments 10, 11 and 12, 13, respectively, in which two sieve frames 14, 14 'and 15, 15' are contained.
  • Each sieve unit 7, 8 is articulated in the region of its lateral walls by means of a total of four articulation levers on supporting parts of the machine housing 3, so that they are activated by the drive 9 in the direction indicated by the arrows 16, 17 Can swing back and forth while doing sieving or separating work.
  • the material to be ground is fed to the roller package 4 via a feed roller 18 and a baffle plate 19, where it is - as in the subsequent roller package 5 - crushed.
  • the meal is evenly distributed by a distribution device 20 to the two sieve units 7 and 8 or their sieve compartments 10 and 12, where semolina and flour parts are already sieved, while the husks remain above the sieve surface.
  • This process continues in the lower sieve compartments 11 and 13, after which flour is finally drawn off through the outlet shafts 21 and 22 and through the shafts 23 and 24 husks.
  • the semolina reaches the lowest roller pack 6 via guide devices 25, 26, where they are also ground to flour.
  • a rectangular opening 190 of the machine housing 191 can be seen from the inside of the machine, representative of several of the housing openings provided on a device for grinding and separating grain, the representation of which here refers to the one with the flap 192, which also includes the Can have the shape of a domed hood, cooperating edge region 191 'limited.
  • the flap 192 drawn in the closed position is a shell construction with cover plates 192 'and preferably one inserted between them, the stability Raising and at the same time noise-insulating sandwich filling 193 and pivotally articulated on the machine housing 191 by means of four hinge eyes 194 screwed to the edge region 191 'of the machine housing 191 as well as hinge bolts 195 which engage in the latter.
  • the hinge bolts 195 are firmly anchored between corresponding webs 196 of the flap.
  • a total of eight hooks 197 are embedded in the flap 192, two each on the edges adjacent to the pivot axis and a total of four on the edges opposite the pivot axis. 5, these hooks 197 have a double-T shape and are welded to the shell plates 192 'of the flaps 192.
  • rectangular recesses are provided in the edge area 191 'of the machine housing 191, through which the hooks 197 pass or which surround the flanges 197' of the hooks. Beneath these recesses, movable latches 198 cooperating with the hooks 197 are provided, one in each of the zones 191 'in the zones adjacent to the pivot axis and two in the part of the edge region 191' opposite the pivot axis.
  • the latches 198 are designed as flat profiles which are guided in a longitudinally movable manner by means of longitudinal slots 199 on retaining pins 200 fastened to the machine housing 191 or its edge region 191 '.
  • Each bolt 198 is further provided with two T-shaped engagement openings 201, in whose areas corresponding to the "T-bar" the heads of the hooks 197 are immersed when the flap 192 is closed. It is readily apparent from FIGS. 3 and 5 that when the latches 198 are subsequently moved into the locking position shown, the hooks 197 with their heads on both sides, the bolt 198 running in the direction of movement are locked at the area of their T-shaped engagement openings 201 and the flap 192 is therefore firmly attached to the machine housing 191 or to the machine housing via a total of four articulation points 194, 195 and eight locking points 197, 198, 201 Border area 191 'abuts.
  • all latches 198 are actuated simultaneously by means of a hand lever 202 which is attached to a shaft 203 which is cranked twice and in opposite directions.
  • the shaft 203 is connected via link elements 204 to the latches 198 located in the front edge region 191 'of the machine housing 191, so that they can either be moved away from one another or towards one another, the former - as illustrated - the closed position of the flap 192 and the latter in the The end position corresponds to the opening position of the flap 192, since the hooks 198 are then released again from the engagement openings 201.
  • the movements described are transmitted to the further bolts 198 by means of two swivel segments 205 arranged in the front corners of the edge region 191 'of the machine housing 191, with which the mutually adjacent bolts 198 are connected via articulation elements 206.
  • a disk 207 with a locking groove 208 and a spring-loaded pawl 209 cooperating therewith are provided on the shaft 203.
  • the shaft 203 and the disk 207 also form a single disk with two articulation points offset by 180 ° for the articulation members 204 can be summarized. Furthermore, the hand lever position in the closed position can still be secured by a commercially available lock to prevent unauthorized opening of the flap 192.
  • a fuse can be provided by means of electrical actuators, which only allows the flap 192 to be opened when the machine is at a standstill.

Claims (5)

  1. Dispositif comportant au moins une paire rouleaux, disposés dans un carter-machine (191) , accessibles à des fins d'entretien ou de réparation à travers une ouverture (190) prévue dans le carter-machine (191), pouvant être fermée à l'aide d'un volet ou capot (192) articulé et de grande surface, un espace de travail largement fermé de tous côtés étant créé à l'intérieur du carter-machine lorsque le volet ou capot (192) se trouve à l'état fermé, caractérisé en ce que - pour assurer la sécurité de la fermeture également en cas d'explosion - chaque volet ou capot (192) est relié au carter-machine (191), dans la zone de son axe de pivotement, au moyen d'une pluralité d'éléments d'articulation (194, 195), et présente, dans la zone de ses bords libres, une pluralité d'éléments de verrouillage (197) s'étendant depuis le volet ou le capot (192) à travers des évidements ménagés dans une partie d'application de couvercle entourant l'ouverture (190) du carter-machine (191) et coopérant avec des éléments de verrouillage (198, 201) complémentaires, prévus sur le côté de la partie d'application de couvercle opposée au volet ou capot (192) et pouvant être déplacés parallèlement aux bords de l'ouverture (190) et pouvant être actionnés conjointement par l'intermédiaire d'organes de couplage (205, 206) prévus entre eux, et en ce qu'un dispositif d'actionnement commun (202), disposé séparément du volet ou capot (192), est fixé sur la face, opposée au volet ou capot (192), de la partie d'application de couvercle, ce dispositif (202) sollicitant les moyens de verrouillage (198, 201) complémentaires par l'intermédiaire de moyens de butée (204).
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments d'articulation et de verrouillage (194, 195; 197, 198, 201) sont disposés à une distance à peu près régulière les uns par rapport aux autres.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les éléments de verrouillage sont réalisés d'une part sous forme de crochets (197), en particulier de crochets doubles en T, et d'autre part sous forme de verrous (198) saisissant ces crochets, les verrous (198) étant disposés de préférence dans la zone de bordure (191') des ouvertures (190) correspondantes du carter-machine (191) et réalisés sous forme de profilés plats déplaçables longitudinalement, avec des ouvertures d'engagement (201) en T, pour les crochets (197).
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce que en ce que chaque zone latérale de la zone de bordure (191') d'une ouverture (190) associée à un volet ou capot (192) du carter-machine (191) présente un verrou (198) et la zone placée en regard des éléments d'articulation (194, 195) de la zone de bordure (191') présente deux verrous (198), les verrous (198) se trouvant dans les zones d'angle de l'ouverture (190) du carter-machine (191) étant reliés ensemble au moyen des organes de couplage (205, 206) transmettant le mouvement.
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce que le dispositif d'actionnement commun (202) est relié fonctionnellement à titre primaire, avec les deux verrous (198) dans la zone avant de la zone de bordure (191') de l'ouverture (190) du carter-machine (191) et est réalisé, de préférence, sous forme d'un élément d'entraînement (203) provoquant des déplacements en sens inverse des verrous (198), avec deux points d'articulation pour les verrous (198) et une rainure de blocage (208) et est pourvu d'un levier à main (202).
EP90122696A 1988-03-10 1989-03-03 Appareillage pour broyer et séparer des grains Expired - Lifetime EP0428183B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94101739A EP0598705B1 (fr) 1988-03-10 1989-03-03 Dispositif de broyage et/ou compactage de composants d'aliments ou de fourrage

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19883807843 DE3807843A1 (de) 1988-03-10 1988-03-10 Vorrichtung zum vermahlen und separieren von korngut
DE3807843 1988-03-10
DE3812056A DE3812056A1 (de) 1988-04-12 1988-04-12 Vorrichtung zum vermahlen und separieren von korngut
DE3812056 1988-04-12
CH176/89 1989-01-20
CH17689 1989-01-20
EP89903742A EP0357762B1 (fr) 1988-03-10 1989-03-03 Procede et dispositif pour moudre et separer le grain

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP89903742.8 Division 1989-09-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP94101739.4 Division-Into 1994-02-04

Publications (3)

Publication Number Publication Date
EP0428183A2 EP0428183A2 (fr) 1991-05-22
EP0428183A3 EP0428183A3 (en) 1992-05-06
EP0428183B1 true EP0428183B1 (fr) 1995-04-12

Family

ID=27171871

Family Applications (3)

Application Number Title Priority Date Filing Date
EP94101739A Expired - Lifetime EP0598705B1 (fr) 1988-03-10 1989-03-03 Dispositif de broyage et/ou compactage de composants d'aliments ou de fourrage
EP89903742A Expired - Lifetime EP0357762B1 (fr) 1988-03-10 1989-03-03 Procede et dispositif pour moudre et separer le grain
EP90122696A Expired - Lifetime EP0428183B1 (fr) 1988-03-10 1989-03-03 Appareillage pour broyer et séparer des grains

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP94101739A Expired - Lifetime EP0598705B1 (fr) 1988-03-10 1989-03-03 Dispositif de broyage et/ou compactage de composants d'aliments ou de fourrage
EP89903742A Expired - Lifetime EP0357762B1 (fr) 1988-03-10 1989-03-03 Procede et dispositif pour moudre et separer le grain

Country Status (7)

Country Link
US (1) US5031845A (fr)
EP (3) EP0598705B1 (fr)
JP (1) JPH02503401A (fr)
AT (2) ATE153565T1 (fr)
BR (1) BR8906382A (fr)
DE (3) DE58900497D1 (fr)
WO (1) WO1989008501A1 (fr)

Cited By (1)

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DE19700989A1 (de) * 1996-01-16 1997-07-17 Wilhelm Kuenzel Muehlenbau Und Verfahren und Einrichtung zur Gewinnung von Malzschrot für die Bierherstellung

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ES2012555A6 (es) * 1987-10-06 1990-04-01 Buehler Ag Geb Procedimiento, molino de cilindros e instalacion para la fabricacion de productos de molienda de cereales.
US5100539A (en) * 1989-11-02 1992-03-31 Sizetec, Inc. Dual-screen particle sizing apparatus and method
DE4029202A1 (de) * 1990-09-14 1992-03-19 Buehler Ag Verfahren zum sortieren von partikeln eines schuettgutes und vorrichtungen hierfuer
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DE4220468C2 (de) * 1992-06-23 1996-04-11 Heidenauer Maschf Gmbh Einrichtung zum Einstellen des Walzenspaltes eines Walzenpaares
GB2273154B (en) * 1992-12-02 1996-12-11 Buehler Ag Method for cleaning and sorting bulk material
US5336408A (en) * 1993-03-29 1994-08-09 Sizetec, Inc. Apparatus for separating particles from a fluid stream
DE4335156B4 (de) * 1993-10-15 2005-08-25 BüHLER GMBH Regelvorrichtung für ein Mahlwerk
US5544820A (en) * 1995-02-21 1996-08-13 Walters; Jerry W. Clear-trajectory rotary-driven impact comminuter
US5829692A (en) * 1995-02-21 1998-11-03 Wildcat Services Inc. Modularly tiered clear-trajectory impact comminuter and modular comminution chamber
IT1275978B1 (it) * 1995-03-27 1997-10-24 Berga S P A Macchina a cilindri per la macinazione di cereali e simili con dispositivo a singolo asse di rotazione per la regolazione
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DE102008012487A1 (de) * 2008-03-04 2009-09-10 Deere & Company, Moline Körnerprozessorzusammenbau
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Also Published As

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DE58909800D1 (de) 1997-07-03
EP0428183A2 (fr) 1991-05-22
EP0598705B1 (fr) 1997-05-28
US5031845A (en) 1991-07-16
DE58909179D1 (de) 1995-05-18
JPH02503401A (ja) 1990-10-18
WO1989008501A1 (fr) 1989-09-21
EP0598705A2 (fr) 1994-05-25
EP0357762A1 (fr) 1990-03-14
BR8906382A (pt) 1990-11-20
EP0357762B1 (fr) 1991-11-27
ATE153565T1 (de) 1997-06-15
EP0428183A3 (en) 1992-05-06
DE58900497D1 (de) 1992-01-09
EP0598705A3 (en) 1994-07-20
ATE120986T1 (de) 1995-04-15

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