EP2500097A2 - Lageranordnung eines Exzenterbuchsenhebelarms - Google Patents

Lageranordnung eines Exzenterbuchsenhebelarms Download PDF

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Publication number
EP2500097A2
EP2500097A2 EP12168880A EP12168880A EP2500097A2 EP 2500097 A2 EP2500097 A2 EP 2500097A2 EP 12168880 A EP12168880 A EP 12168880A EP 12168880 A EP12168880 A EP 12168880A EP 2500097 A2 EP2500097 A2 EP 2500097A2
Authority
EP
European Patent Office
Prior art keywords
moving
roll
assembly
rolls
eccentric
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
Application number
EP12168880A
Other languages
English (en)
French (fr)
Other versions
EP2500097A3 (de
EP2500097B1 (de
Inventor
Sedat Kunduraci
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.)
Yukselis Makina Sanayi Ve Ticaret AS
Original Assignee
Yukselis Makina Sanayi Ve Ticaret AS
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
Application filed by Yukselis Makina Sanayi Ve Ticaret AS filed Critical Yukselis Makina Sanayi Ve Ticaret AS
Publication of EP2500097A2 publication Critical patent/EP2500097A2/de
Publication of EP2500097A3 publication Critical patent/EP2500097A3/de
Application granted granted Critical
Publication of EP2500097B1 publication Critical patent/EP2500097B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to bearing assemblies supporting the grinding rolls of milling machines employed in grinding cereals to produce flours, semolina etc.
  • the present invention more particularly relates to an eccentric bush moment arm which allows to quickly engage to and disengage from each other said grinding rolls by means of a piston and which at the same time allows such operations be conducted accurately.
  • Grinding operations in milling machines are conducted by means of grinding the cereals between grinding rolls. Such grinding operations are conducted by feeding the cereals or grains into the gap between two rolls by means of transfer elements, and products such as flours, semolina, etc. are obtained by means of grinding cereals with the rolls rotating inversely.
  • the rolls must be maintained close to each other to a desired extent while cereals are ground, and if the cereal supply in between the rolls is interrupted for any reason, the rolls must be disengaged from each other. This is because if the distance between the rolls is too close, i.e. they are very close to each other, and the cereal feed is interrupted, the rolls may hit to each other -due to the clearances to occur within bearing elements in time- so as to deteriorate the roll surfaces and generate noise, etc. This problem does not occur as cereals are processed, because the cereals ground between the rolls provide elimination of this gap. This problem starts when the rolls are kept in the rotating mode with the cereal feed being interrupted. Therefore, the rolls are engaged to each other while cereals are processed, and they are disengaged from each other once the cereal feed is interrupted.
  • patent applications DE2730166 and EP0336939B1 can be given as examples in relation to milling assemblies.
  • the patent application DE2730166 discloses a milling assembly and method prepared to grinding cereals.
  • the application TR 2006 02167 U filed at the Turkish Patent Office relates to cereal grinding machines, in which are comprised a drive roll and a driven roll, pulleys are coupled to the end parts of said rolls, the drive taken from the drive roll is transmitted to the driven roll by means of a drive transmission element, and said drive transmission element is tensioned by means of an idle pulley, wherein is further disclosed an idle tensioner plate supporting said idle pulley, said idle tensioner plate being supported so as to rotate around an origin that corresponds to the center of a moving bearing.
  • the objective of the present invention is to provide the feature of quick engaging said grinding rolls to each other or quick disengaging said rolls from each other by an accurate adjustment capability.
  • said eccentric bush comprises an eccentric hub.
  • a further objective of the present invention is having an angular positioning arm to provide angular positioning of said grinding rolls upward and downward with eccentric structure and an indicator thereof, allowing such angularly positioning operations be made more easily and indicating the degree of such angular positioning.
  • At least one angular positioning arm ensuring the upward and downward displacement of moving roll.
  • an angular positioning eccentric bush where said angular positioning arm is fixed and an angular positioning eccentric hub formed on said bush.
  • said angular positioning arm comprises at least one angular positioning arm scale.
  • a further objective of the present invention is having wheels with modular structure, which allow the assembly and maintenance of grinding rolls be made easily. Thus, said wheels are used only during assembly and maintenance.
  • Another objective of the present invention is to avoid the need of using extra wheels for each machine since such wheels have modular structures, such that the costs and assembly periods are minimized.
  • a tensioning spacer piece having a coupling center, a fixation channel and an eccentric tension spindle ensuring the tension of the timing belt.
  • coupling bolts which ensure the fixation of said tensioning spacer on the bracket, and channel coupling bolts.
  • said eccentric tension spindle comprises at least one fixation bolt.
  • a locking latch having an eccentric spindle locking and idling the adjustment spindle, and a locking compressing piece coupled to said latch and moved up- and downward.
  • fixation teeth formed on the adjustment spindle ensuring the locking and supporting of said locking compressing piece.
  • a compressing spring is provided that compresses the locking piece.
  • the present invention provides a moment arm (1) with at least one eccentric bush (2) which is driven eccentrically in a moving hub (1.1) that allows said grinding rolls (13, 5) to be engaged and disengaged by means of said piston (7) and allows such operations be made accurately.
  • the moment arm (1) both ensures an accurate adjustment of said rolls (13, 5) by means of the adjustment spindle (15), and makes said rolls (13, 5) engage and disengage from the eccentric bush (2) in the eccentric bush slot by means of the piston (7) in a quick and stable manner.
  • the standing roll (5) illustrated in figures 1, 2 , 3 and 4 is assembled to the standing bearing (5.2) on the assembly bracket (6) and is immovable.
  • Said standing roll comprises also a moving hub (5.1).
  • the eccentric bush moment arm (1) is assembled from the moment arm moving hub (1.1) to the standing bearing (5.2) by means of a pin.
  • the moving roll (13) is assembled from the moving bearing moving hub (14.1) to the moving bearing (14) and assembly bracket (6) by means of a pin.
  • the tension arm (9) is coupled to the tension bracket (10) so as to exert load onto the moving bearing (14) in the direction the rolls (13, 5) are engaged.
  • the other end of the tension arm (9) is coupled to the eccentric bush (2) by means of a pin from the eccentric hub (2.1).
  • the eccentric bush (2) is connected with the piston rod (7.2) by means of the piston coupling arm (8) with a pin.
  • the piston (7) assembled with a pin from the piston moving hub (7.1) to the assembly bracket (6) pulls the drive arm (8) assembled to the eccentric bush (2) so as to rotate the eccentric bush (2) and moving the tension arm (9) backward.
  • the moving roll (13) is moved away from the standing roll (5) by means of the moving bearing (14) coupled to the tension arm (9).
  • the piston (7) pushes the drive arm (8) and brings the rolls (13, 5) close to each other so as to switch to the grinding mode.
  • the piston coupling arm (8) leaning on the stopper (8.2) located on the support protrusion (8.1) provides the system's stability in the grinding mode.
  • the adjustment spindle (15) is assembled from the adjustment spindle coupling point (15.2) in a rotatable manner and positions the moment arm (1) with the adjustment spindle nut (15.3) accurately.
  • the angular positioning adjustment spindle (16) moves the moving roll (13), which is coupled to the moving bearing (14) from the angular positioning hub (18.1) coupled to the eccentric bush (18) down- or upward by means of the angular positioning arm (17) so as to angularly position the rolls (13, 5) relative to each other.
  • the bracket coupling point (16.3) is illustrated as well.
  • Figure 7 illustrates the case where the moving roll (13) is lowered down, a distance X(19) occurs.
  • Figure 8 illustrates the case where the moving roll (13) is raised up, a distance Y (20) occurs.
  • the scale arrow (17.2) indicates the angular positioning arm's (17) position on the scale (17.1) so as to be followed. Thanks to this scale arrangement (17.1, 17.2); the angular positioning extent of rolls can be pre-determined and implemented accordingly.
  • the rolls (13, 5) with the bearing assemblies (3) are removed from the system by means of the wheel axle (21.1) and wheel (21.2) of the roll assembly wheel apparatus (21).
  • the wheel apparatus (21) provided with wheel (21.2) and eccentric wheel axle (21.1) is engaged to the slots on the assembly bracket (6).
  • the eccentric wheel axels (21.1) are rotated so that the assembly bracket (6) is lifted upwards to some extent.
  • the wheel apparatus (21) is fixed by means of a fixation ring (22).
  • the wheel apparatuses (21) are attached to four slots on two mutual assembly brackets (6) and the eccentric wheel axels (21.1) are rotated, such that two assembly brackets (6) lifted upwards on four wheels (21.2), and accordingly the bearing assemblies (3) and rolls (13, 5) are slid over the machine and conveniently taken out.
  • the patent EP1201 308 A1 of Ocrim discloses a similar arrangement.
  • the wheels in this arrangement are provided rigidly within the assembly bracket.
  • the wheel apparatus (21) is an external component and is attached if needed to perform the disassembly operation. When the wheel apparatus (21) is used it is taken out from the assembly bracket (6) and is stored until used in another machine. And the emptied slots on the assembly bracket (6) are closed with plugs.
  • an eccentric tensioning spacer piece (23) is developed capable of providing a second eccentricity to carry out pre-positioning.
  • a slot is provided on this piece, whereto a tensioning eccentric spindle (24) is connected.
  • This piece is assembled to the slot on the assembly bracket (6) more eccentrically.
  • the tensioning spacer piece (23) is fixed from the positioning channel (23.1) to the assembly bracket (6) at a desired eccentric position by means of a bolt so as to provide the pre-positioning.
  • the drive belt (28) is tensioned to a desired extent by means of the eccentric tension spindle (24).
  • a scale (23.5) is provided on the positioning channel (23.1) whereby the eccentricity can be followed.
  • FIG. 17 a cross-sectional top view is given of the tensioning of the tensioning spacer piece (23) and drive belt (28).
  • Figure 18 illustrates the fixation teeth (30.1) formed on the adjustment spindle (15) to lock the adjustment spindle (15).
  • the locking compressing piece (30) By rotating the locking latch (32) connected to the eccentric spindle (31), the locking compressing piece (30) is linearly displaced downward and locks the adjustment spindle (15) with the fixation teeth (30.1) by means of the compressing spring (33).
  • the compressing piece (30) operates in a compressing spindle bushing (34) and a cover (34.1) thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
EP12168880.8A 2007-07-16 2008-06-03 Lageranordnung eines Exzenterbuchsenhebelarms Active EP2500097B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TR2007/04949U TR200704949U (tr) 2007-07-16 2007-07-16 Eksantrik burçlu moment kollu yataklama paketi.
PCT/TR2008/000063 WO2009011667A1 (en) 2007-07-16 2008-06-03 Eccentric bush moment arm bearing assembly
EP08767345.5A EP2176000B1 (de) 2007-07-16 2008-06-03 Hebelarmlageranordnung mit exzentrischer buchse

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP08767345.5A Division EP2176000B1 (de) 2007-07-16 2008-06-03 Hebelarmlageranordnung mit exzentrischer buchse

Publications (3)

Publication Number Publication Date
EP2500097A2 true EP2500097A2 (de) 2012-09-19
EP2500097A3 EP2500097A3 (de) 2015-01-07
EP2500097B1 EP2500097B1 (de) 2020-04-01

Family

ID=42787120

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12168880.8A Active EP2500097B1 (de) 2007-07-16 2008-06-03 Lageranordnung eines Exzenterbuchsenhebelarms
EP08767345.5A Active EP2176000B1 (de) 2007-07-16 2008-06-03 Hebelarmlageranordnung mit exzentrischer buchse

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08767345.5A Active EP2176000B1 (de) 2007-07-16 2008-06-03 Hebelarmlageranordnung mit exzentrischer buchse

Country Status (4)

Country Link
EP (2) EP2500097B1 (de)
PL (1) PL2176000T3 (de)
TR (1) TR200704949U (de)
WO (1) WO2009011667A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014202212A3 (de) * 2013-06-20 2015-07-09 Thyssenkrupp Industrial Solutions Ag Walzenmühle zur zerkleinerung von sprödem mahlgut

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2829098T7 (es) 2018-05-28 2023-01-16 Buehler Ag Paquetes de cilindros para dispositivos de trituración, dispositivos de trituración y método
CN109499664B (zh) * 2019-01-03 2021-12-24 中冶长天国际工程有限责任公司 一种破碎机
CN110433910A (zh) * 2019-08-20 2019-11-12 张连生 一种用于接骨后假体处理设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730166A1 (de) 1976-07-16 1978-01-26 Buehler Ag Geb Verfahren fuer die vermahlung von getreide und vorrichtung zur durchfuehrung des verfahrens
EP0336939B1 (de) 1987-10-06 1995-06-14 Bühler Ag Verfahren zur herstellung eines stärkerohmateriales sowie stärkemühlenanlage
EP1201308A1 (de) 2000-10-25 2002-05-02 OCRIM S.p.A. Getreidemühle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404932A1 (de) * 1984-02-11 1985-08-14 Gebrüder Bühler AG, Uzwil Walzwerk
GB2293990A (en) * 1994-10-11 1996-04-17 Satake Uk Ltd A cereal milling machine
TR200503728U (tr) 2005-09-16 2006-04-21 Yükseli̇ş Maki̇na Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ Öğütücü silindirleri birbirine göre açılı konumlandırma düzeneği.
TR200602167U (tr) 2006-05-03 2006-06-21 YÜKSELİŞ MAKİNA SAN. ve TİC. A.Ş. Aktif kayış gerdirme düzeneği

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730166A1 (de) 1976-07-16 1978-01-26 Buehler Ag Geb Verfahren fuer die vermahlung von getreide und vorrichtung zur durchfuehrung des verfahrens
EP0336939B1 (de) 1987-10-06 1995-06-14 Bühler Ag Verfahren zur herstellung eines stärkerohmateriales sowie stärkemühlenanlage
EP1201308A1 (de) 2000-10-25 2002-05-02 OCRIM S.p.A. Getreidemühle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014202212A3 (de) * 2013-06-20 2015-07-09 Thyssenkrupp Industrial Solutions Ag Walzenmühle zur zerkleinerung von sprödem mahlgut

Also Published As

Publication number Publication date
PL2176000T3 (pl) 2014-02-28
EP2176000B1 (de) 2013-07-31
EP2500097A3 (de) 2015-01-07
WO2009011667A1 (en) 2009-01-22
EP2500097B1 (de) 2020-04-01
TR200704949U (tr) 2007-08-21
EP2176000A1 (de) 2010-04-21

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