EP0947241A1 - Schüttelvorrichtung - Google Patents
Schüttelvorrichtung Download PDFInfo
- Publication number
- EP0947241A1 EP0947241A1 EP99101828A EP99101828A EP0947241A1 EP 0947241 A1 EP0947241 A1 EP 0947241A1 EP 99101828 A EP99101828 A EP 99101828A EP 99101828 A EP99101828 A EP 99101828A EP 0947241 A1 EP0947241 A1 EP 0947241A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flywheel
- shaking
- balance weight
- counterweight
- guide
- 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.)
- Withdrawn
Links
Images
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18344—Unbalanced weights
Definitions
- the invention relates to a shaking device for shaking of liquid provided in containers.
- shaking the container becomes, for example, that in the containers provided liquid mixed or its surface enlarged to increase the oxygen uptake of the liquid improve.
- Such shaking devices have a shaking table, on which the containers can be attached.
- the shaker table is eccentrically mounted on a flywheel, for example is driven by a belt drive. Due to the eccentric circular motion of the shaking table along with the centrifugal forces occur on containers arranged on it. Due to the centrifugal forces that occur Stability of the shaker reduced.
- the object of the invention is the stability of a Shaker also for masses to be shaken different sizes to improve.
- a balance weight is on the flywheel arranged that depending on the size of the shake Mass can be adjusted.
- This is the Balance weight along a guide device radially to Flywheel can be moved continuously.
- the Distance between the balance weight and the axis of rotation of the Flywheel is the size of the balance weight generated centrifugal force changeable.
- the bigger the too is shaking mass the further the balance weight along the guide device with respect to the axis of rotation of the Flywheel shifted outwards. It is therefore possible that the centrifugal force caused by the mass to be shaken completely compensated by the balancing mass becomes.
- the stability is even with different masses to be shaken considerably improved since the location of the Balance weight before each shake can be adjusted.
- the total weight to be shaken is due to the balance weight Mass, i.e. the mass of the shaker table, the container, the Liquid and possibly additional on the shaking table fixed objects compensated.
- the balance weight Mass i.e. the mass of the shaker table, the container, the Liquid and possibly additional on the shaking table fixed objects compensated.
- two Balance weights may be provided, with a balance mass is firmly connected to the flywheel and the non-varying Mass of the shaking table compensated.
- the second Compensating mass can be moved radially to the flywheel and equal to the varying mass of the liquid, the container and the like out. It is also possible to use the sliding balance weight to attach an additional weight that together with the balance weight is displaceable to larger Compensate centrifugal forces.
- a dovetail guide can be used as the guide device groove running radially to the axis of rotation of the flywheel and suitable clamping device may be provided.
- the guide device essentially has one arranged perpendicular to the axis of rotation on which the Balance weight is displaceable in the longitudinal direction.
- That Balance weight have a threaded hole so that it through Turning is slidable.
- a change in the position of the balance weight is during the shaking process by the Self-locking of the thread avoided.
- That Balance weight have a through hole without thread, through which the guide spindle is passed.
- the lead screw in a threaded hole in the flywheel held so that the position of the balance weight by turning the lead screw is changeable.
- the guide spindle is preferred non-rotatably connected to the flywheel.
- the balance weight that has a through hole without thread is through Turn an adjusting nut on the lead screw slidable.
- An adjustment key can be used to turn the adjustment nut these are put on.
- the adjustment key has one Stock with longitudinal scale attached.
- the current position of the balance weight with respect to the Axis of rotation of the flywheel can be read. From this one can the centrifugal force caused by the counterweight as well as calculate the mass to be shaken by the current Position of the counterweight is compensated.
- the weight of the mass to be shaken directly on the scale applied so that by the location of the balance weight compensated mass to be shaken directly on the adjustment key can be read.
- the in the containers provided liquid is first the weight of one on the Load to be arranged on the shaking table.
- the load closes the weight of all containers and the one inside contained liquid and possibly the weight of a tray on which the containers are held.
- a determination of Mass of the shaking table is not necessary as this is known is and remains unchanged.
- the weight of the load becomes the distance of the counterweight to the axis of rotation of the flywheel depending on the size of the Loading by moving the radial continuously Balance weight set.
- the distance of the counterweight is preferably determined by means of the Adjustment key carried out on a scale, depending on Position of the adjustment key on the scale that the position of the Balance weight corresponding to the weight of the load is.
- the shaker has a flywheel 10 which is made of a flywheel base 12 and a cylindrical flywheel attachment 14 exists.
- the flywheel 10 is on a bearing 16 Bearing pin 18 rotatably mounted.
- the bearing pin 18 is on one Base plate 20 of a housing 21 of the shaker attached.
- feet 22 are mounted to a safe standing of the shaker on a table enable.
- circumferential grooves 24 are provided, in which belts 26 are guided.
- the belts 26 are one with an output shaft 28 Electric motor 30 connected.
- Electric motor 30 Electric motor 30 connected.
- straps 26 can also a V-ribbed belt with several grooves can be used.
- a shaking table 32 can be rotated with the flywheel 10 connected.
- the cylindrical is in a recess 34 Approach 14 of the flywheel 10 a bearing pin 36 rotatably held.
- a cylindrical projection 38 is provided with the bearing journal 36 connected with a larger diameter, which in the recess 34th is arranged.
- There is a centering pin on the cylindrical extension 40 which is concentric with the bearing journal 36, intended.
- the centering pin 40 is in a bore 42 in the Flywheel 10 added.
- the cylindrical extension 38 can be shifted to the left in FIG. 1 become.
- the centering pin 40 is then not one shown bore, which corresponds to the bore 42 added.
- To rotate the pivot pin 36 with respect to Avoiding the flywheel 10 is the cylindrical shoulder 38 by means of an off-center screw 44 with the Flywheel 10 connected.
- a shaking table base 46 of the Shaking table 32 is freely rotatable by means of bearings 48.
- screws 50 is 46 on the table base concentrically to this a shaking table support 52 connected.
- a tray 54 is fastened on the shaking table support 52 attached to the container with the liquid to be shaken are.
- the tray 54 is fastened by means of fastening pins 56 and Springs 58 attached to the shaker table support 52. It is This enables the tray 54 to be quickly attached to the To fix the shaking table 32 or from the shaking table 32 to take down. This allows trays 54 to be replaced quickly become.
- the Shaking table foot 46 of the shaking table 32 two radially after outside-facing arms 62, which are offset by approximately 90 ° to each other are.
- a first one Bearing journal 64 (FIG. 2) is rotatably supported by means of bearings 66.
- Bearing journal 64 is connected in a rotationally fixed manner to an intermediate part 68, in which a second one is eccentric to the first journal 64
- Bearing pin 70 is held in a rotationally fixed manner.
- the second journal 70 is in turn rotatable in a cylindrical extension 72 Bearings 74 stored.
- the cylindrical projection 72 is fixed to the Base plate 20 connected.
- the balance weight 76 is radial to the flywheel 10 slidable.
- a guide device 78 is provided for this purpose.
- the guide device 78 has a guide spindle 80, which is arranged radially to the flywheel 10.
- the flywheel 10 facing end of the guide spindle 80 has one Anti-rotation device 81, which in a complementary recess of the Flywheel foot 12 is added and rotating the Guide spindle 80 prevented.
- the lead screw 80 is from a plate 82 and three screws 83 held and fixed to the Flywheel foot 12 connected.
- the Balance weight 76 has two through holes 85, through which the guide rods 84 are guided, and a Through hole 86 through which the guide spindle 80 is guided is on. The balance weight 76 can thus be radial to the Flywheel 10 are moved. By changing the Distance between the axis of rotation of the flywheel 10 and the Balance weight 76 is the balance weight 76 generated centrifugal force changeable.
- an adjusting nut 87 is provided with an internal thread.
- the driving sleeve can be a Have internal thread and is in the counterweight 76th held rotatable.
- An adjusting key is used to adjust the adjusting nut 87 88 is provided, which can be plugged onto the adjusting nut 87. If the adjusting nut 87 is a hexagon nut acts, the adjustment key 88 has a corresponding Hexagon on. A shaft 89 of the adjustment key is hollow, so that the adjustment key 88 then the lead screw 80 can be inserted when the distance between the balance weight 76 and the axis of rotation of the Flywheel 10 is low. To the adjustment key 88 on the To be able to insert adjusting nut 87 is in the housing 21 an opening 90 is provided through which the adjustment key 88 can be inserted into the housing 21.
- a guide sleeve 91 is provided to a secure insertion of the adjustment key 88 on the To ensure adjusting nut 87.
- a scale is provided on the shaft 89 of the Adjustment key 88.
- the Guide sleeve 90 has a viewing window 92 through which the Scale is readable. Since the position of the adjustment key in Depending on the location of the counterweight 76 on the Guide spindle 80 changed, the position of the Balance weight 76 due to that in the viewing window visible scale line. On the scale can either the distance between the balance weight 76 and the Axis of rotation of the flywheel 10 or that set by the Position of the counterweight 76 balanced to be shaken Mass must be specified.
- the mass to be shaken is either the entire mass to be shaken or just around the weight of the tray 54 together with the containers and the liquid in it.
- tray 54 When using the shaker, tray 54 first becomes together with the containers attached to and in them existing liquid weighed. Then the distance the counterweight 76 to the axis of rotation of the flywheel 10 adjusted with the aid of the adjustment key 88. To the Push the adjustment key 88 onto the adjustment nut can, the lead screw 80 with the opening 90 in the Housing 21 are aligned. Since the housing 21 is closed, must the flywheel a position sensor can be provided to the Flywheel for adjusting the counterweight 76 in the Bring rotary position in which the plugging of the Adjusting key 88 on the adjusting nut 76 is possible. For example, a mark can be made on the flywheel be provided by a arranged in the housing 21 Viewing window is visible and the rotational position of the flywheel indicates.
- An electric one can also be on the flywheel Position transmitter can be provided so that to attach the adjustment key required rotational position is determined electrically can be.
- a certain signal via a keyboard 93 can be entered on a display field 94 so that the balance weight 76 is automatically rotated into a position in the guide spindle 80 with the opening 90 in the housing 21 is aligned and the adjustment key 88 can be plugged on.
- the desired Speed of the flywheel 10 can be entered, which is between 40 and 400 revolutions per minute is adjustable.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Testing Of Balance (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
- Fig. 1
- eine schematische Draufsicht der erfindungsgemäßen Schüttelvorrichtung und
- Fig. 2
- eine schematische Schnittansicht entlang der Linie II-II in Fig. 1.
Claims (10)
- Schüttelvorrichtung zum Schütteln von in Behältern vorgesehener Flüssigkeit, mit einem Schütteltisch (32), auf dem die Behälter befestigbar sind, einem angetriebenen Schwungrad (10), auf dem der Schütteltisch (32) exzentrisch gelagert ist, und einem am Schwungrad (10) angeordneten Ausgleichsgewicht (76) zur Kompensation von Zentrifugalkräften,
wobei das Ausgleichsgewicht (76) entlang einer Führungsvorrichtung (78) radial zum Schwungrad (10) stufenlos verschiebbar und entsprechend der zu schüttelnden Masse einstellbar ist. - Schüttelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Führungsvorrichtung (78) eine im wesentlichen senkrecht zur Drehachse des Schwungrads (10) angeordnete Führungsspindel (80) aufweist, auf der das Ausgleichsgewicht (76) in Längsrichtung verschiebbar ist.
- Schüttelvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Führungsspindel (80) drehfest mit dem Schwungrad (10) verbunden ist und das Ausgleichsgewicht (76) durch Drehen einer Verstellmutter (87) auf der Führungsspindel (80) verschiebbar ist.
- Schüttelvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß parallel zur Führungsspindel (80) mindestens ein Führungsstab (84) zur Stabilisierung der Lage des Ausgleichsgewichts (76) vorgesehen ist.
- Schüttelvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß zum Drehen der Verstellmutter (87) ein Verstellschlüssel (88) aufsteckbar ist, der einen Schaft (84) mit in Längsrichtung angebrachter Skala zum Einstellen der Lage des Ausgleichsgewichts (76) in Abhängigkeit der zu schüttelnden Masse aufweist.
- Schüttelvorrichtung nach einem der Ansprüche 1-5, dadurch gekennzeichnet, daß zwischen dem Schütteltisch (32) und einer Grundplatte (30) eine Verdrehsicherung (60) vorgesehen ist.
- Schüttelvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß mit dem Schwungrad (10) ein Positionsgeber verbunden ist, der angibt, wann sich das Ausgleichsgewicht (76) in einer bestimmten, das Ansetzen des Verstellschlüssels (88) ermöglichenden Drehposition befindet.
- Schüttelvorrichtung nach einem der Ansprüche 1-7, dadurch gekennzeichnet, daß auf dem Schütteltisch (32) ein Tablar (54) befestigt ist, auf dem die Behälter gehalten sind.
- Verfahren zum Schütteln von in Behältern vorgesehener Flüssigkeit mittels einer Schüttelvorrichtung nach einem der Ansprüche 1-8, bei welchemdas Gewicht einer auf dem Schütteltisch (32) anzuordnenden Beladung bestimmt wird undder Abstand des Ausgleichsgewichts (76) zur Drehachse des Schwungrads (10) in Abhängigkeit von der Größe der Beladung durch radiales stufenloses Verschieben des Ausgleichsgewichts (76) eingestellt wird.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Einstellen des Abstandes des Ausgleichsgewichts (76) mittels eines Verstellschlüssels (88) mit Skala durchgeführt wird, wobei je nach Stellung des Verstellschlüssels (88) auf der Skala das der Lage des Ausgleichsgewichts (76) entsprechende Gewicht der Beladung ablesbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19814013 | 1998-03-28 | ||
DE19814013A DE19814013C1 (de) | 1998-03-28 | 1998-03-28 | Schüttelvorrichtung und Verfahren zum Schütteln |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0947241A1 true EP0947241A1 (de) | 1999-10-06 |
Family
ID=7862851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99101828A Withdrawn EP0947241A1 (de) | 1998-03-28 | 1999-01-28 | Schüttelvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6106143A (de) |
EP (1) | EP0947241A1 (de) |
JP (1) | JP2000024478A (de) |
AU (1) | AU739803B2 (de) |
DE (1) | DE19814013C1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8117450B2 (en) | 2001-10-11 | 2012-02-14 | Hewlett-Packard Development Company, L.P. | System and method for secure data transmission |
EP1527814A1 (de) * | 2003-10-28 | 2005-05-04 | CPS Color Equipment S.p.A. | Mischgehäuseanordnung zum Ausgleich vom Ungleichgewicht eines Mischbehälters |
CN1947864B (zh) * | 2005-10-14 | 2010-09-29 | 深圳富泰宏精密工业有限公司 | 振动装置 |
EP2144716B1 (de) | 2007-05-04 | 2013-02-20 | QUANTIFOIL Instruments GmbH | Vorrichtungen und verfahren zur probenhandhabung |
DE102008010780B3 (de) * | 2008-02-25 | 2009-10-15 | Sartorius Stedim Biotech Gmbh | Inkubator mit Schüttelvorrichtung |
US8226291B2 (en) | 2010-05-24 | 2012-07-24 | New Brunswick Scientific Co., Inc. | Adjustable orbit imbalance compensating orbital shaker |
US10050491B2 (en) | 2014-12-02 | 2018-08-14 | Management Services Group, Inc. | Devices and methods for increasing energy and/or power density in composite flywheel energy storage systems |
CN105987844A (zh) * | 2015-02-04 | 2016-10-05 | 苏州捷美电子有限公司 | 一种迷你振荡混匀装置 |
EP3574132A4 (de) * | 2017-01-26 | 2020-11-04 | Curium US LLC | Systeme und verfahren zur elektroplattierung von quellen für die alpha-spektroskopie |
EP3479894B1 (de) | 2017-11-02 | 2022-04-20 | Infors AG | Schüttler |
WO2021258267A1 (en) | 2020-06-22 | 2021-12-30 | Shinetek Instrument Research Institute | Incubator with orbital shaker |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1388097A (en) * | 1920-06-19 | 1921-08-16 | Capsoni Carlo | Apparatus for producing oscillatory movements |
US3430926A (en) * | 1967-09-12 | 1969-03-04 | New Brunswick Scientific Co | Counterweight system for shaker apparatus |
US5558437A (en) * | 1995-05-19 | 1996-09-24 | Forma Scientific, Inc. | Dynamically balanced orbital shaker |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1507435A1 (ru) * | 1987-01-06 | 1989-09-15 | Специальное Конструкторское Бюро По Подземному Самоходному Горному Оборудованию | Вибросмеситель |
US5134893A (en) * | 1991-05-07 | 1992-08-04 | Sweco, Incorporated | Adjustable counterweight assembly |
ES1023151Y (es) * | 1992-12-03 | 1994-01-01 | Poyatos Diaz | Dispositivo vibrador para maquinaria. |
US5396815A (en) * | 1993-09-15 | 1995-03-14 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Suspension system for gimbal supported scanning payloads |
-
1998
- 1998-03-28 DE DE19814013A patent/DE19814013C1/de not_active Expired - Fee Related
-
1999
- 1999-01-28 EP EP99101828A patent/EP0947241A1/de not_active Withdrawn
- 1999-02-09 US US09/246,711 patent/US6106143A/en not_active Expired - Fee Related
- 1999-03-24 AU AU21386/99A patent/AU739803B2/en not_active Ceased
- 1999-03-26 JP JP11083710A patent/JP2000024478A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1388097A (en) * | 1920-06-19 | 1921-08-16 | Capsoni Carlo | Apparatus for producing oscillatory movements |
US3430926A (en) * | 1967-09-12 | 1969-03-04 | New Brunswick Scientific Co | Counterweight system for shaker apparatus |
US5558437A (en) * | 1995-05-19 | 1996-09-24 | Forma Scientific, Inc. | Dynamically balanced orbital shaker |
Also Published As
Publication number | Publication date |
---|---|
AU2138699A (en) | 1999-10-07 |
AU739803B2 (en) | 2001-10-18 |
US6106143A (en) | 2000-08-22 |
DE19814013C1 (de) | 1999-07-22 |
JP2000024478A (ja) | 2000-01-25 |
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