EP1854533A1 - Dispositif de hochement - Google Patents

Dispositif de hochement Download PDF

Info

Publication number
EP1854533A1
EP1854533A1 EP07005711A EP07005711A EP1854533A1 EP 1854533 A1 EP1854533 A1 EP 1854533A1 EP 07005711 A EP07005711 A EP 07005711A EP 07005711 A EP07005711 A EP 07005711A EP 1854533 A1 EP1854533 A1 EP 1854533A1
Authority
EP
European Patent Office
Prior art keywords
lever
axis
weight
rotation
centrifugal force
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
EP07005711A
Other languages
German (de)
English (en)
Other versions
EP1854533B1 (fr
Inventor
Hawrylenko Alexander
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.)
Infors AG
Original Assignee
Infors AG
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 DE102006021851A external-priority patent/DE102006021851A1/de
Application filed by Infors AG filed Critical Infors AG
Publication of EP1854533A1 publication Critical patent/EP1854533A1/fr
Application granted granted Critical
Publication of EP1854533B1 publication Critical patent/EP1854533B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/22—Mixing the contents of independent containers, e.g. test tubes with supporting means moving in a horizontal plane, e.g. describing an orbital path for moving the containers about an axis which intersects the receptacle axis at an angle

Definitions

  • the invention relates to a generic shaking device according to the preamble of the main claim, namely such a shaking device with a -im operating in a horizontal plane- a circular shaking exporting tray, on its upper side at least one to be shaken liquid containing container is provided in its common center of gravity a first centrifugal force causing a tilting moment arises, with a rotary drive, with a rotatable about a rotational axis at a certain angular velocity, via an axis parallel to this bearing bearing on the underside of the tray arranged above it, having a crank eccentric, with one of the underside of the tray arranged above a first distance having and extending at an angle to the axis of rotation extending first lever arm of the eccentric lever having a first lever distance from the axis of rotation, with one from the bottom of the tray arranged above a second Distance having and extending at an angle to the axis of rotation extending in a neutral plane second lever arm having at its end a second lever distance from the rotation
  • Such a generic shaking device is known ( DE 18 16 710 ).
  • a counterweight to compensate for the imbalance resulting from the eccentricity is attached, is still the third weight below the second weight and diametrically arranged in the generic shaking device to this.
  • the shaking table is mounted on four, the same eccentricity as the driving central pin having eccentric pin, whereby the weight of the container is already compensated in this respect.
  • the invention has the object of providing a generic shaking device according to the preamble of the main claim so that the vibration during the shaking operation are largely avoided.
  • the mass of the third weight is such that caused by a consequently caused third centrifugal force and their second distance from the neutral plane a -beück- with respect to the tilting moments occurring in the known Scierelvorraumen- equal, but oppositely directed further overturning moment, which the two tilting moments completely cancel each other out.
  • the weight of the tray, its flange, the liquid and the container are also dimensioned to be the same size as the sum of the first centrifugal force, the second centrifugal force and the third centrifugal force, the result is surprisingly simple the advantage that the shaker runs absolutely vibration-free at all speeds.
  • a shaking device with a tray is provided in a surprisingly simple manner, that is, in the shaking mode can be operated virtually unbalance.
  • the weights at the end of each lever arm can be adjusted, with respect to the distance of the resulting movement plane of the neutral plane and / or the lever distance from the axis of rotation, as claimed in the subclaims.
  • a particularly simple and compact embodiment of the invention results when the first lever arm is extended beyond the bearing for the tray located on the upper side of the neutral plane beyond the third lever arm with simultaneous cranking downward and at its end has the third weight whose center of gravity on the lower side of the neutral plane with the second distance from this in a plane parallel thereto with the third lever distance from the rotation axis rotates.
  • the generally designated 1 shaking device has the reproduced embodiment in plan view a circular, flat tray 2 for receiving -on its top 21- a single, filled with a liquid to be shaken 3, symmetrically arranged on the tray and there container 4.
  • the shaking device 1 is further provided with a rotary drive 5, the one of the bottom 22 of the tray 2 facing eccentric lever 7 to a Rotary axis 6 at a certain constant angular velocity in the one direction of rotation in a neutral plane 73 rotates.
  • the eccentric lever 7 has a first lever arm 71, which is arranged at a first distance 79 from the tray 2 and extends at right angles to the axis of rotation 6.
  • first lever arm 71 of the eccentric lever 7 is on the underside 22 of the tray 2 side facing this in a first lever spacing 74 a to the axis of rotation 6 parallel axis 91 bearing 9 is provided, to which a at the bottom 22 of the Tablars fixed flange 23 connects.
  • the tray 2 is thereby moved in the other direction with the amount of the same angular velocity to produce a circular shaking motion.
  • the first lever arm 71 of the two-armed eccentric lever 7 has a diametrically opposite the axis of rotation 6 opposite second lever arm 72, at its end in shaking the shaker 1 in a second distance 80 from the neutral plane 73 with a second lever spacing 75 of the rotation axis 6 circulating second weight 82 is arranged with its center of gravity.
  • this first centrifugal force 11 is statically caused by a due to the mass of the weight 82, the amount equal in magnitude, but oppositely directed second Centrifugal force compensated 12, for which purpose the second lever spacing 75 and the size of the second weight 82 are dimensioned accordingly.
  • this static balancing acts the second centrifugal force 12 in the neutral plane 73, whereas the first centrifugal force 11 to this neutral plane 73 has a distance 78, resulting in a tilting moment 14 results, which brings the shaker in operation to violent vibration, which is undesirable.
  • the first lever arm 71 is extended beyond the bearing 9 for the tray 2 located on the upper side of the neutral plane 73 as the third downwardly cranked lever 70 and has at its end a third weight 81, its center of gravity the lower side of the neutral plane 73 rotates at a second distance 77 therefrom in a plane parallel thereto with a third lever spacing 76 from the axis of rotation 6, for which purpose the first lever arm 71 is bent away in the direction away from the tray.
  • the mass of the third weight 81 of the second distance 77 and the third lever spacing 76 are dimensioned such that a further tilting moment 15 of equal magnitude but oppositely directed is produced by the third centrifugal force 13 caused by the tilting moment 14, as a result of which the two tilting moments cancel.
  • the inventive shaking device 1 runs absolutely vibration-free.
  • the third weight 81 disposed at the end of the third lever arm 70 can be an adjustment device for changing both the lever distance (75 or 76) from the rotation axis 6 and for changing the distance 80 and 77 of the neutral plane 73, so that the different high positions as distance 78 from the neutral plane 73 of the common center of gravity 31 in different containers 4 and degrees of filling of the liquid 31 and on the weight of the container 4 and its liquid to be shaken 3 can be reacted.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
EP07005711A 2006-05-09 2007-03-20 Dispositif de hochement Not-in-force EP1854533B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006021851A DE102006021851A1 (de) 2006-05-09 2006-05-09 Schüttelvorrichtung
DE102006042222 2006-09-06

Publications (2)

Publication Number Publication Date
EP1854533A1 true EP1854533A1 (fr) 2007-11-14
EP1854533B1 EP1854533B1 (fr) 2010-08-25

Family

ID=38328190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07005711A Not-in-force EP1854533B1 (fr) 2006-05-09 2007-03-20 Dispositif de hochement

Country Status (3)

Country Link
EP (1) EP1854533B1 (fr)
AT (1) ATE478726T1 (fr)
DE (1) DE502007004835D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8226291B2 (en) 2010-05-24 2012-07-24 New Brunswick Scientific Co., Inc. Adjustable orbit imbalance compensating orbital shaker
EP2301679A3 (fr) * 2009-09-29 2012-10-03 Infors AG Dispositif de hochement
US11253827B2 (en) 2017-11-02 2022-02-22 Infors Ag Shaker

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816710A1 (de) * 1968-12-10 1970-06-25 New Brunswick Scientific Co Schuettelvorrichtung
DE3319575A1 (de) * 1982-05-29 1983-12-01 Reiko Osaka Kosaka Therapeutisch wirksame zusammensetzungen, nahrungsmittel und getraenke
US5558437A (en) * 1995-05-19 1996-09-24 Forma Scientific, Inc. Dynamically balanced orbital shaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816710A1 (de) * 1968-12-10 1970-06-25 New Brunswick Scientific Co Schuettelvorrichtung
DE3319575A1 (de) * 1982-05-29 1983-12-01 Reiko Osaka Kosaka Therapeutisch wirksame zusammensetzungen, nahrungsmittel und getraenke
US5558437A (en) * 1995-05-19 1996-09-24 Forma Scientific, Inc. Dynamically balanced orbital shaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2301679A3 (fr) * 2009-09-29 2012-10-03 Infors AG Dispositif de hochement
US8226291B2 (en) 2010-05-24 2012-07-24 New Brunswick Scientific Co., Inc. Adjustable orbit imbalance compensating orbital shaker
WO2012162355A1 (fr) 2011-05-24 2012-11-29 New Brunswick Scientific Co., Inc. Agitateur orbital à compensation du déséquilibre orbital réglable
US11253827B2 (en) 2017-11-02 2022-02-22 Infors Ag Shaker

Also Published As

Publication number Publication date
EP1854533B1 (fr) 2010-08-25
ATE478726T1 (de) 2010-09-15
DE502007004835D1 (de) 2010-10-07

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