EP1000662B1 - Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis - Google Patents
Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis Download PDFInfo
- Publication number
- EP1000662B1 EP1000662B1 EP98710016A EP98710016A EP1000662B1 EP 1000662 B1 EP1000662 B1 EP 1000662B1 EP 98710016 A EP98710016 A EP 98710016A EP 98710016 A EP98710016 A EP 98710016A EP 1000662 B1 EP1000662 B1 EP 1000662B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- casing
- machine according
- space
- forced
- 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
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
- B02B3/04—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
Definitions
- the invention relates to a machine for grinding of cereals, especially rice, of the known type heard in which the material to be ground is an annular space passes through, the outside of a coat and the inside of a grinding rotor is limited.
- the coat contains holes or slots through which the grinding dust can escape.
- the Material to be ground is fed to the annular space at one end and led away from him at the other end.
- a known Machines of this type EP-B-521 452
- EP-B-521 452 are the jacket and the Rotor cylindrical and arranged vertically.
- the annular space at the lower end is made good by a screw conveyor forcibly fed.
- the treated one occurs at the upper end Well clear from the annulus.
- the filling of the annulus is countered by the direction of conveyance Gravity guaranteed.
- This arrangement has the disadvantage that the grinding conditions are not optimally adjusted can.
- the associated with the gradual wear of the rotor May increase the radial width of the annulus not be balanced. An adjustment of the process parameters
- the invention is based, with good adjustability the task the process parameters to different goods low fraction, low temperature and high performance to achieve. This is achieved through the features of the claim 1 and preferably the features of the subclaims.
- the end of the small diameter of the tapered is located above. Its radial width can be adjusted by axially adjusting the rotor.
- a positive conveyor is provided.
- the lower end is closed by a resilient locking member.
- the closure member provided at the lower end is formed by a truncated cone valve plate, which is referred to below as a back pressure plate. Its upward locking force is generated by springs.
- a counter-pressure plate loaded with weight the mass of the parts to be moved by the material being pushed out can be kept low, so that it can react quickly to changing throughput conditions.
- the positive conveyor is conveniently from one with the Rotor rotatably connected screw conveyor, formed above the a storage room that widens towards the top is.
- the expansion of this store room can be accomplished be that on the rotor or the worm a cone is put on.
- Rotor uses the air supply openings distributed over its length having. Furthermore, the work space - as well known - with essentially extending in the longitudinal direction Brake strips can be provided that are radially adjustable are to adjust the process parameters even more finely can.
- the cone angle of the shell and the rotor is expedient in the range between 4 and 10 °.
- the base plate 1 which as a box (not shown) for Recording of additional units can be formed, raises the basic housing 2 of the rice grinding machine.
- the base plate 1 which as a box (not shown) for Recording of additional units can be formed, raises the basic housing 2 of the rice grinding machine.
- the base plate 4 On it attached at 3 the lower edge of the conical jacket 4, the is formed by a sheet metal part, the regular holes or Contains slots in a known manner, the width of which is smaller than the size of the grains of rice.
- the cylindrical rises above it Head housing 5, 6.
- the base housing or the box forming the base plate 1 is in a known, not shown manner Bearing and a drive for the rotor shaft 7 arranged, the extends coaxially in the jacket 4 and with a series of Slip rings forms the rotor 8.
- the slip rings form together the tapered surface of the rotor, parallel, d. H. with constant radial distance to the jacket 4.
- the columns 9 a strong air flow is blown into the annular space 11. This annular space 11 forms the working space of the machine.
- They are devices (not shown) for axial adjustment of the rotor 8 opposite the jacket 4 provided it allow the radial width of the work space 11 depending on the type adjust the treated material and the degree of wear of the rotor 8.
- the jacket 4 is surrounded by a housing 12 which with the Sheath 4 encloses a room 13. It becomes a powerful one Airflow creates the grinding dust that goes through the openings in the jacket 4 passes from the work room 11 into the room 13, dissipates.
- the jacket 4 contains, in the direction of the jacket lines, in a common plane with the axis of the rotor shaft 7 lying slots in which there are brake strips 14, the radial by adjusting screws 15 more or less can be inserted into the annular space 11 to the circular movement inhibit the abrasive in an adjustable manner.
- four such brake strips are around the circumference arranged.
- the rotor shaft 7 carries a screw conveyor 21 with winding turns, the material to be ground from the space 22 arranged above during the rotor movement forcibly promoted into the work room 11.
- room 22 flows the material of the inlet opening of the screw conveyor 21 under its own weight, going through the wall of the head housing and by one placed on the conveyor 21 Cone 23 is guided. This rotates with the rotor. The causes movement transferred to the pending good, that this always flows evenly to the inlet side of the conveyor.
- the head housing part 6 forms a flange 24 for connecting a supply line, if necessary with inclusion a shut-off or throttling device.
- the rotor 8 is bottom by an inner cylindrical collar 30 completed by an outer cylindrical Collar 31 of the base housing enclosed and down is towered over.
- an outer cylindrical Collar 31 of the base housing enclosed and down is towered over.
- the lower edge of the outer collar 31 acts together with a frustoconical sheet metal ring 32, the by springs 33 distributed over the circumference upwards against the lower edge of the outer collar 31 is pulled.
- the tin ring 32 forms the counter pressure plate, which is the lower end of the Working space 11 closes and by the pressure of the between against the cylindrical collar 30, 31 pushing out goods the force of the springs 33 is increased to the good in the subsequent Dismiss room 34 of the base case. From there the goods can flow out or be conveyed out.
- the inner collar 30 does not need to reach the counter pressure plate to submit. This is also generally not desirable thus sufficient spatial freedom for the axial Adjustment of the rotor in relation to the jacket 4 is available is.
- Guide arms 35 can be connected to the counter-pressure plate 32 with the rotor shaft 7, the inner collar 30 or any other part of the machine for axial guidance of the counter pressure plate 32 cooperate.
- the cone angle of the shell 4 and the rotor 8, i.e. H. the Angle between diametrically opposed surface lines these parts are expediently of the order of magnitude of 6 °.
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Adjustment And Processing Of Grains (AREA)
- Cereal-Derived Products (AREA)
Description
Claims (7)
- Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis, in einem Ringraum ringförmigen Arbeitsraum (11) mit vertikaler Achse, der außen von einem Durchbrechungen enthaltenden Mantel (4) und innenseitig von einem zum Mantel koaxialen Rotor (8) begrenzt ist und der mit einem oberen, einen Zwangsförderer enthaltenden Guteinlaß und einen unteren, ein nachgiebiges Verschlußglied enthaltenden Gutauslaß versehen ist, dadurch gekennzeichnet, daß der Mantel (4) und der Rotor (8) kegelstumpfförmig ausgebildet und axial relativ zueinander verstellbar sind, daß ihr schmaleres Ende oben angeordnet ist und daß das Verschlußglied (32) von einem federnd nach oben gezogenen, stumpfkegeligen Ventilteller gebildet ist, der einen sich an den Arbeitraum (11) anschließenden Ringraum verschließt.
- Maschine nach Anspruch 1, dadurch gekennzeichnet, daß die Stärke der federnden Abstützung (33) einstellbar ist.
- Maschine nach Anspruche 1 oder 2, dadurch gekennzeichnet, daß der Zwangsförderer von einer mit dem Rotor (8) drehverbundenen Förderschnecke (21) gebildet ist und oberhalb derselben ein sich nach oben erweiternder Vorratsraum (22) angeordnet ist.
- Maschine nach Anspruch 3, dadurch gekennzeichnet, daß oberhalb der Schnecke (21) auf dem Rotor (8) ein Kegel (23) angeordnet ist.
- Maschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß im Rotor (8) verteilt über dessen Länge Luftzuführungsöffnungen (9) vorgesehen sind.
- Maschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß im Mantel radial verstellbare Bremsleisten (14) vorgesehen sind, deren Richtung überwiegend in Längsrichtung des Mantels (4) verläuft.
- Maschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Kegelwinkel des Mantels und des Rotors zwischen 4 und 10° liegt.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59801402T DE59801402D1 (de) | 1998-11-12 | 1998-11-12 | Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis |
EP98710016A EP1000662B1 (de) | 1998-11-12 | 1998-11-12 | Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis |
ES98710016T ES2163245T3 (es) | 1998-11-12 | 1998-11-12 | Maquina para pulir granos, en particular arroz. |
BR9901307-0A BR9901307A (pt) | 1998-11-12 | 1999-01-28 | Máquina para moagem de cereais, em particular, arroz |
TW088106834A TW500633B (en) | 1998-11-12 | 1999-04-28 | Machine for milling cereals, in particular rice |
US09/304,794 US6193179B1 (en) | 1998-11-12 | 1999-05-04 | Machine for milling cereals, in particular rice |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98710016A EP1000662B1 (de) | 1998-11-12 | 1998-11-12 | Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1000662A1 EP1000662A1 (de) | 2000-05-17 |
EP1000662B1 true EP1000662B1 (de) | 2001-09-05 |
Family
ID=8235887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98710016A Expired - Lifetime EP1000662B1 (de) | 1998-11-12 | 1998-11-12 | Maschine zum Schleifen von Körnerfrüchten, insbesondere Reis |
Country Status (6)
Country | Link |
---|---|
US (1) | US6193179B1 (de) |
EP (1) | EP1000662B1 (de) |
BR (1) | BR9901307A (de) |
DE (1) | DE59801402D1 (de) |
ES (1) | ES2163245T3 (de) |
TW (1) | TW500633B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7265870B2 (en) | 2001-11-26 | 2007-09-04 | Agfa Graphics Nv | Colour separation method |
DE102004038547A1 (de) * | 2004-08-06 | 2006-03-16 | Bühler AG | Schleifrotor |
US9067211B2 (en) | 2010-10-27 | 2015-06-30 | Buhler (India) Pvt. Ltd. | Abrasive roll assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426922A (en) * | 1981-06-09 | 1984-01-24 | Soichi Yamamoto | Vertical frictionally abrasive roll rice polishing machine |
JPS57209647A (en) | 1981-06-19 | 1982-12-23 | Yamamoto Soichi | Vertical grinding type cereal cleaning device |
DE4122025A1 (de) | 1991-07-03 | 1993-01-07 | Schule Gmbh F H | Verfahren und vorrichtung zum schleifen von koernerfruechten |
JPH07227550A (ja) * | 1994-02-17 | 1995-08-29 | Satake Eng Co Ltd | 研削式竪型精穀機 |
US5806772A (en) * | 1996-11-22 | 1998-09-15 | Nordberg, Inc. | Conical gyratory grinding and crushing apparatus |
GB2323766A (en) * | 1997-04-05 | 1998-10-07 | Cocksedge Eng Ltd | Seed cleaning machine |
-
1998
- 1998-11-12 ES ES98710016T patent/ES2163245T3/es not_active Expired - Lifetime
- 1998-11-12 EP EP98710016A patent/EP1000662B1/de not_active Expired - Lifetime
- 1998-11-12 DE DE59801402T patent/DE59801402D1/de not_active Expired - Lifetime
-
1999
- 1999-01-28 BR BR9901307-0A patent/BR9901307A/pt not_active IP Right Cessation
- 1999-04-28 TW TW088106834A patent/TW500633B/zh not_active IP Right Cessation
- 1999-05-04 US US09/304,794 patent/US6193179B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1000662A1 (de) | 2000-05-17 |
DE59801402D1 (de) | 2001-10-11 |
ES2163245T3 (es) | 2002-01-16 |
US6193179B1 (en) | 2001-02-27 |
TW500633B (en) | 2002-09-01 |
BR9901307A (pt) | 2001-03-20 |
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