EP2582457A1 - Rollenpresse mit momentenwaage - Google Patents
Rollenpresse mit momentenwaageInfo
- Publication number
- EP2582457A1 EP2582457A1 EP11719234.4A EP11719234A EP2582457A1 EP 2582457 A1 EP2582457 A1 EP 2582457A1 EP 11719234 A EP11719234 A EP 11719234A EP 2582457 A1 EP2582457 A1 EP 2582457A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller press
- rollers
- bearing housings
- machine frame
- nip
- 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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
-
- 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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
Definitions
- the invention relates to a roller press for pressure treatment or
- Kompaktians granular Guts comprising at least two rotatably mounted respectively via a shaft in a machine frame and driven in opposite directions and separated by a nip, designed as Loswalzen rolls, the waves of the rollers accommodated in the machine frame movably arranged bearing housings and wherein each two on one side of the Roll arranged bearing housing of different rolls are connected to each other via at least one pressure cylinder and a method for centering a nip of a roller press.
- a first roller is fixedly mounted as a fixed roller in the machine frame in bearings in the simplest case, which in turn are secured by bearing housings in a machine frame to consoles.
- a second roller is stored as a Loswalze in camps, the in between two consoles of the machine frame bewegl I arranged Lagergeophu-sen are arranged.
- the hydraulic ikantriebe for relative positioning of the Loswalze against the hard roller and to maintain the pressure in the nip exert high forces on the machine frame as an abutment, for which it is necessary to design the machine frame accordingly stable.
- roller presses with rollers with a weight of up to 50 t a correspondingly large dimensions of the machine frame is necessary so that the logistics of the machine frame and its handling in a necessary and regular change of the rollers is complicated and only with correspondingly large-sized cranes and removal aids possible ,
- DE1 02005006090A1 proposes to form both rollers of the roller press as a loose roller, these two loose rollers being connected to one another via the bearings and the bearing housings and via hydraulic drives.
- the rollers, the bearings, the bearing housings and the hydraulic drives form a closed force system, which relieves the machine frame and thus can be dimensioned to a lesser extent.
- This arrangement has proven itself in practice. Since in this roller press the closed power system is designed to be displaceable relative to the machine frame, it is necessary to center the closed power system during operation, so that the nip does not migrate during operation of the roller press. This centering is achieved by the use of a correspondingly dimensioned hydraulics. It is necessary to control the hydraulics by control circuits, which are against the forces of the moving system Rollers, hydraulics and bearings such as bearing housings centered on the nip.
- the object of the invention is therefore to develop the roller presses so that while maintaining the self-contained and largely separate from the machine frame power system, the centering is made easier and less expensive to manufacture.
- connection of the bearing housing in each case has at least one torque balance.
- Further advantageous embodiments of the invention are specified in the subclaims.
- the process object of the invention is achieved by the use of the torque balance according to claim 1 0.
- a torque balance is understood to mean a rocker-like or pendulum-like suspension, on which pairs counteracting, first and second hydraulic cylinders engage opposite arms of the torque balance. These counteracting hydraulic cylinders in each case alone cause the tilting of the torque balance in the direction of the related Hydraulikzyl Indian.
- This change in position of the torque balance on the opposite side of the first hydraulic cylinder has the effect that the opposite second Hydraulikzyl inder is more heavily loaded and therefore the control circuit of the now more heavily loaded second hydraulic cylinder builds up a higher pressure and counteracts the first Hydraulikzyl indians until the torque scale is again positioned in its equilibrium position.
- the first and the second hydraulic cylinder have in the roller press according to the invention a rotatably configured clutch, so that the first and the second hydraulic cylinder can also attack at an angle to the arms of the torque balance.
- a rotatably configured clutch By this rotatable coupling, it is possible that the rollers of the roller press can not assume mutually parallel positions, which is always the case when a larger grain outside the center of the nip passes through the nip or when the nip is loaded unevenly with ground material .
- the effect of the torque balance is that a rolling centering is enforced via a simple, movably mounted, mechanical element, provided that the hydraulic cylinders working to generate the pressure in the nip work against each other.
- the torque scale can be constructed asymmetrically or symmetrically.
- the symmetry of the symmetry mirrors the symmetry of the
- Torque scale especially the unequal length of the boom of the Torque scale the different size and rated load capacity of the opposite lying hydraulic cylinder again.
- a symmetrical configuration of the torque balance which is arranged approximately centrally between the bearing housings, is preferred.
- At the same length boom of the torque scale grip in this Fal l two identical hydraulic cylinder or at least two hydraulic cylinders with the same nominal capacity and the same characteristic.
- the torque balance is preferably rotatably mounted about a vertical axis of rotation which lies in a plane which is spanned by the center line of the nip and the vertical. Due to the vertical axis of rotation, the torque scale rotates in a horizontal plane and thus allows a skewing of the rollers to each other, the torque balance on this misalignment has a balancing effect, so that the rollers experience a misalignment of a force that causes after return of the roller press in equilibrium position, the rollers of the roller press are again parallel to each other.
- the torque balance on a rocker with two arms via which the two bearing housing of the roller press are connected to each other, and the torque scale has a rotatably mounted pendulum, via which the rocker is pivotally mounted with the two arms about the axis of rotation , Due to the pendulum, the rocker of the torque balance with the two arms rotates about a pivot point outside the power line between the two hydraulic cylinders, which on the opposite arms of the
- the hydraulic cylinders are loaded in the roller press according to the invention only to train.
- the torque balance has the effect that the distance between the hydraulic cylinders is minimized to each other and thus aligns the torque balance. This enhances the centering effect on the nip.
- two bearings of two different rollers are formed on one side of the roller press as a fixed bearing and two bearings on the opposite side of the roller press are designed as a floating bearing.
- the floating bearings allow an axial movement of the shaft in the bearing, so that the change in length of the roller is accommodatedgl by temperature Sprintg and also the distance of the bearing to each other in an inclined position of the rollers.
- the bearing housings all bearings mounted on a slide in the machine frame.
- the bearings can move in a direction perpendicular to the center line of the nip and the floating bearings provide a degree of freedom in the axial direction, ie parallel to the center line of the nip available.
- FIG. 2 shows the same arrangement as in FIG. 2 but in the deflected state
- Figure 3 is a perspective view of selected elements of a roller press according to the invention.
- FIG. 1 shows a roller press 1 00 according to the invention in a view from above (parts of a machine frame are hidden for a better illustration of the individual parts).
- a first roller 1 1 0 by means of the shafts 1 1 1 and 1 1 2 rotatably mounted in the roller press 1 00.
- a second, adjacent roll 1 20 which in turn is rotatably supported by shafts 1 21 and 1 22 in the roller press, arranged in the roller press 1 00.
- the roller press 1 00, the two rollers 1 1 0 and 1 20 are driven in opposite directions, so that the on the nip 1 1 5 abandoned from above ground material is drawn into the nip 1 1 5.
- the bearings of the rollers 110 and 120 in the roller press 100 is done via fixed bearings, which are arranged in the fixed bearing housings 130 and 140 and via floating bearings, which are arranged in the floating bearing housings 150 and 160, in the roller press 100 the bearing housings 130 and 140 in the axial Direction of the rollers 110 and 120 are opposite.
- bearing housings 130, 140, 150 and 160 are in turn arranged on slide rails 170 and 180, on which the bearing housings 130, 140, 150 and 160 together with the bearings received therein and in turn received waves 111, 112, 121 and 122 in the machine frame 171st , which is here only interrupted and partially illustrated, horizontal compensating movements perpendicular to the axis of the rollers 110 and 120 can perform.
- the bearing housings 130, 140, 150 and 160 can also perform rotational movements about a vertical axis of the bearing housings 130, 140, 150 and 160.
- each upper torque scale 250 respectively torque scale 260, not visible in this view
- the respective upper torque scales 250 and 260 and the lower torque balances 250 ', 260' which are not visible in this view, are fastened in a rotationally movable manner via rotary hangers 310 and 320 on the machine frame 171.
- roller press 100 During operation of the roller press 100, it happens that the rollers 110 and / or 120 must perform compensatory movements for the passage of particles which may not be comminuted, for example metal pieces which have undesirably entered the material to be ground or for the passage of non-uniformly distributed material to be ground to the length of the nip 1 1 5. During this balancing movement, the roller press is temporarily in an imbalance condition. This state is shown in the following figure, Figure 2.
- FIG. 2 shows the roller press 1 00 in an instant of an exaggerated compensating movement.
- Both roller 1 1 0 and roller 1 20 have performed a slight rotational movement about a vertical axis, whereby the nip 1 1 5 has a trapezoidal profile, with a larger opening in Figure 2 on the lower side of the nip 1 1 5.
- This compensating movement is only possible me if the bearing housings 1 30, 140, 1 50 and 1 60 on the slide rail 1 70 and 1 80 can dodge in the horizontal direction and if the floating bearings in the floating bearing housings 1 50 and 1 60 an axial movement of the shafts 1 1 2 and 1 22 allow.
- the roller press 1 00 is rotated in a clockwise direction, while in the state of the roller press 1 00 shown here, the lower torque balance 250 is slight twisted counterclockwise.
- the roller press 1 00 the distance between the paired bearing housing 1 30 and 140 and / or bearing housing 1 50 and 1 60 is greater than in the equilibrium state, which is shown in Figure 1. Due to the tensile force of the two hydraulic cylinders 21 0 and 220 and / or the hydraulic cylinder 230 and 240, the roller press 1 00 is inclined to return to the equilibrium state shown in Figure 1, wherein the trapezoidal nip shown in Figure 2 again rectangular profile and is aligned in the machine frame 1 71 centered.
- the Drehangeln 31 0 and 320 need to center the nip 1 1 5 does not absorb the forces of train loaded hydraulic cylinders 21 0, 220, 230 and 240, however causes the navbewegl Ie suspension of the torque scale 250 and / or 260, that an aligned , Equilibrium position of the rollers 1 10 and 1 20 only in a horizontal position mögl I is, whereby the nip 1 1 5 is centered.
- An advantage of the use of the torque balance is a simplification of the hydraulic ik interviewedung, which can take place in each case in an extreme case without compensation with each other, because the torque balance is capable of minor differences in the control curve of the hydraulic ik systems offset each other. Furthermore, can be dispensed with the use of multi-chamber Hydraulikzyl indi.
- the roll press 1 00 presented here is robust, offers automatic centering and can be equipped with a lightweight machine frame thanks to the closed power system.
- FIG. 3 shows a perspective view of a roller press 1 00 according to the invention, in which selected elements for masking the invention are hidden. I'm the per- can be seen from the perspective view that a roller 1 20 is received via a shaft 1 22 in a floating bearing housing 160. At this point, the shaft protrudes 1 22 out of the floating bearing housing 1 60 and there is the drive side of the shaft 122.
- This floating bearing housing 1 60 is like the floating bearing housing 150 of the second, here hidden roller 1 1 0 added within a frame of several elements, in this embodiment, the roller press 1 00 of four loaded on train hydraulic ikzylindern 230, 230 ', 240 and 240', from which the floating bearing housing 1 50 and 1 60 encompassing blocks 1 55 and 1 65 and the torque scales 260 and 260 ', wherein this frame forms a closed force system, which is designed to absorb the force resulting from the pressure in the nip 1 1 5.
- a slide rail 1 80 which is not part of the above-described frame of several elements, but part of a machine frame 1 71 not begotten here.
- the slide 1 80 thus takes only the weight of the rollers 1 1 0 and 1 20 together with their waves 1 1 1, 1 1 2, 1 21 and 1 22 and the floating bearing housing 1 50, 1 60.
- Torque scale 260, 260 ' can rotate about a pin as Drehangel 320.
- This pin is fixedly mounted on a part of the machine frame 1 71 and takes in comparison to the tensile force of the hydraulic cylinders 230, 230 ', 240 and 240' on slightly dimensioned forces.
- Hydraulic cylinder 310 rotary hanger
- Hydraulic cylinder 320 rotary hanger
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Press Drives And Press Lines (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Glanulating (AREA)
- Road Paving Machines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010024231 DE102010024231B4 (de) | 2010-06-18 | 2010-06-18 | Rollenpresse mit Momentenwaage |
PCT/EP2011/057305 WO2011157483A1 (de) | 2010-06-18 | 2011-05-06 | Rollenpresse mit momentenwaage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2582457A1 true EP2582457A1 (de) | 2013-04-24 |
EP2582457B1 EP2582457B1 (de) | 2014-10-29 |
Family
ID=44626336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11719234.4A Not-in-force EP2582457B1 (de) | 2010-06-18 | 2011-05-06 | Rollenpresse mit momentenwaage |
Country Status (9)
Country | Link |
---|---|
US (1) | US9108377B2 (de) |
EP (1) | EP2582457B1 (de) |
CN (1) | CN102947003B (de) |
AU (1) | AU2011267295B2 (de) |
BR (1) | BR112012030316A2 (de) |
DE (1) | DE102010024231B4 (de) |
DK (1) | DK2582457T3 (de) |
RU (1) | RU2560561C2 (de) |
WO (1) | WO2011157483A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014223524A1 (de) | 2014-11-18 | 2016-05-19 | Takraf Gmbh | Maschinenrahmen für eine Rollenpresse |
DE102015110033A1 (de) * | 2015-06-23 | 2016-12-29 | Gebr. Pfeiffer Se | Gutbett-Walzenmühle |
ES2755484T3 (es) * | 2017-05-09 | 2020-04-22 | Buehler Ag | Molino de rodillos para piensos y alimentos con un engranaje |
US20220234049A1 (en) * | 2019-05-09 | 2022-07-28 | Metso Outotec USA Inc. | Crushing device |
US11007740B2 (en) * | 2019-05-24 | 2021-05-18 | The Boeing Company | Apparatuses and methods for applying pressure to edge surfaces |
US11001024B2 (en) * | 2019-05-24 | 2021-05-11 | The Boeing Company | Apparatuses and methods for applying pressure to edge surfaces |
US11007741B2 (en) * | 2019-05-24 | 2021-05-18 | The Boeing Company | Apparatuses and methods for applying pressure to edge surfaces |
US11000887B2 (en) * | 2019-05-24 | 2021-05-11 | The Boeing Company | Apparatuses and methods for applying pressure to edge surfaces |
US11014320B2 (en) * | 2019-05-24 | 2021-05-25 | The Boeing Company | Apparatuses and methods for applying pressure to edge surfaces |
CA3160767A1 (en) * | 2020-02-14 | 2021-08-19 | Pedro Guerrero Palma | Roller mill with a synchronizing device |
BE1028057B1 (de) * | 2020-02-14 | 2021-09-13 | Thyssenkrupp Ag | Walzenmühle mit einer Gleichlaufeinrichtung |
EP4056280A1 (de) * | 2021-03-11 | 2022-09-14 | Sandvik SRP AB | Antriebsstranganordnung für einen walzenbrecher |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB959186A (en) * | 1959-08-19 | 1964-05-27 | Nat Res Dev | Improvements in or relating to infinitely variable change speed gears |
GB1040398A (en) * | 1962-12-24 | 1966-08-24 | Schloemann Ag | Improvements in rolling mills, with cooling means, for the treatment of pulverulent and granular materials, particularly metals |
US4212504A (en) * | 1979-02-26 | 1980-07-15 | Bakanov Anatoly I | Backing device for a working roll of a roll stand |
DE3109536C3 (de) * | 1981-03-13 | 1994-04-14 | Escher Wyss Ag | Regelanordnung für ein Quarto-Metallwalzwerk |
DE3723605A1 (de) * | 1987-07-17 | 1989-01-26 | Kloeckner Humboldt Deutz Ag | Zweiwalzenmaschine, wie z. b. walzenpresse |
DE4234481A1 (de) * | 1992-10-13 | 1994-04-14 | Krupp Polysius Ag | Walzenmühle |
DE4404634A1 (de) * | 1994-02-14 | 1995-08-17 | Krupp Polysius Ag | Walzenmühle |
GB2293990A (en) * | 1994-10-11 | 1996-04-17 | Satake Uk Ltd | A cereal milling machine |
JP3688178B2 (ja) * | 2000-03-10 | 2005-08-24 | 光洋精工株式会社 | トロイダル型無段変速機 |
RU2169045C1 (ru) * | 2000-05-26 | 2001-06-20 | ООО "Мировые технологии" | Секционный двухвальцовый станок для размола зерновых культур |
EP1184094A3 (de) * | 2000-08-29 | 2004-12-22 | Hitachi, Ltd. | Walzwerk und Walzverfahren |
DE102005006090A1 (de) | 2005-02-10 | 2006-08-24 | Khd Humboldt Wedag Gmbh | Zweiwalzenmaschine insbesondere zur Gutbettzerkleinerung |
CN2776541Y (zh) * | 2005-03-04 | 2006-05-03 | 张立建 | 一种带同步支撑装置的辊式破碎机 |
US7325489B2 (en) * | 2006-06-13 | 2008-02-05 | The Procter & Gamble Company | Process for controlling torque in a calendering system |
DE102007059072A1 (de) | 2007-12-07 | 2009-06-10 | Khd Humboldt Wedag Gmbh | Rollenpresse mit zwei Losrollen |
DE102007059073A1 (de) * | 2007-12-07 | 2009-06-10 | Khd Humboldt Wedag Gmbh | Rollenpresse mit symmetrischer Walzenzentrierung |
SE532690C2 (sv) * | 2008-06-30 | 2010-03-16 | Metso Brasil Ind E Com Ltda | Lagerarrangemang |
-
2010
- 2010-06-18 DE DE201010024231 patent/DE102010024231B4/de not_active Expired - Fee Related
-
2011
- 2011-05-06 CN CN201180028898.8A patent/CN102947003B/zh not_active Expired - Fee Related
- 2011-05-06 DK DK11719234.4T patent/DK2582457T3/en active
- 2011-05-06 WO PCT/EP2011/057305 patent/WO2011157483A1/de active Application Filing
- 2011-05-06 AU AU2011267295A patent/AU2011267295B2/en not_active Ceased
- 2011-05-06 RU RU2013102117/13A patent/RU2560561C2/ru not_active IP Right Cessation
- 2011-05-06 BR BR112012030316A patent/BR112012030316A2/pt not_active IP Right Cessation
- 2011-05-06 EP EP11719234.4A patent/EP2582457B1/de not_active Not-in-force
- 2011-05-06 US US13/703,684 patent/US9108377B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2011157483A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2560561C2 (ru) | 2015-08-20 |
CN102947003B (zh) | 2015-01-07 |
RU2013102117A (ru) | 2014-07-27 |
DE102010024231A1 (de) | 2011-12-22 |
BR112012030316A2 (pt) | 2016-08-09 |
CN102947003A (zh) | 2013-02-27 |
US20130087054A1 (en) | 2013-04-11 |
US9108377B2 (en) | 2015-08-18 |
WO2011157483A1 (de) | 2011-12-22 |
DE102010024231B4 (de) | 2015-02-12 |
AU2011267295B2 (en) | 2016-02-25 |
DK2582457T3 (en) | 2015-01-26 |
AU2011267295A1 (en) | 2012-12-13 |
EP2582457B1 (de) | 2014-10-29 |
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