EP2358467B1 - Mixer - Google Patents
Mixer Download PDFInfo
- Publication number
- EP2358467B1 EP2358467B1 EP09764834.9A EP09764834A EP2358467B1 EP 2358467 B1 EP2358467 B1 EP 2358467B1 EP 09764834 A EP09764834 A EP 09764834A EP 2358467 B1 EP2358467 B1 EP 2358467B1
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- EP
- European Patent Office
- Prior art keywords
- tool
- motor
- shaft
- mixer
- housing
- 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.)
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- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
- B01F29/83—Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
- B01F29/64—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with stirring devices moving in relation to the receptacle, e.g. rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/321—Disposition of the drive
- B01F35/3212—Disposition of the drive mounted on the receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/321—Disposition of the drive
- B01F35/3214—Disposition of the drive at the upper side of the axis, e.g. driving the stirrer from the top of a receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0454—Blending, mixing, kneading or stirring; Methods therefor with bottom disc rotating about a vertical axis or with receptacle rotating about a vertical or steeply inclined axis, e.g. with fixed or driven tools, such as rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Definitions
- the present invention relates to a mixer with a mixing container and a tool shaft arranged at least partially in the mixing container, wherein the tool shaft has a working end, to which a working tool is fastened or can be attached, and a drive end, which is mounted by means of two tool bearings spaced apart from each other, and wherein a drive motor is provided with a motor shaft for driving the tool shaft.
- Such a mixer is known, for example from the DE 35 20 409 A1 ,
- the embodiment shown there comprises a pressure-resistant mixer with a filling opening, a rotating mixing vessel having an emptying device, with mixing tools arranged eccentrically to the mixing vessel axis in the interior of the mixing vessel.
- FIG. 1 shows a vertical section through a mixer.
- the mixer 1 has a mixing container 3 accommodated in a mixer housing 2, which can be rotated about a vertical axis of rotation. To ensure this rotation of the mixing container 3 is rotatably mounted on a ball bearing 4.
- the mixing container may have on its underside an emptying opening (not shown in the figure).
- the mixer housing 2 has a housing cover 5. Inside the mixing container 3, a working tool 6 designed as a mixing tool is arranged inside the mixing container 3, a working tool 6 designed as a mixing tool is arranged. It can be seen that the working tool 6 about a vertical axis, which is spaced from the axis of rotation of the mixing container 3, is rotatable.
- a drive end of the working tool 6 is guided through the housing cover 5 and driven by means of the drive motor 7 via, for example, V-belt 9.
- the work tools 6 are fixed to a tool shaft 8, which has a drive end to which the V-belt 9 engages, and a working end to which the working tools 6 designed as a mixing tool are fastened.
- the tool shaft 8 is formed in two parts in the embodiment shown, wherein the two parts can be connected to each other via the flange 10 or separated from each other. This flange 10 is among other things there, the working tool 6 against another working tool 6, such. B. one Star vortex against a pin vortex swap.
- the work tool if it shows signs of wear, be replaced with a new one.
- both the mixing container 3 and the tool shaft 8 rotate, it can lead to significant lateral forces on the tool shaft 8, which are caused by the material flow through the rotating mixing container 3, especially since the tool shaft is held only on one side in the housing cover 5.
- the size of the shear force depends inter alia on the type of mix and of course on the rotational speed of both mixing container 3 and the working tool 6.
- two tool bearings 11, 12 are provided at the drive end, each bearing the shaft with a diameter D.
- the tool bearings 11, 12 are bolted to the mixer housing 2 or the housing cover 5 via a flange 13.
- the V-belt 9 then engages the drive end of the tool shaft 8.
- the drive motor 7 has a motor shaft 20, which is also held by two motor bearings 14, 15. It can be seen that the diameter d 'of the motor shaft 20 is significantly smaller than the diameter D of the tool shaft 8.
- the belt transmission consisting generally of a set of multiple V-belts or timing belt, a maintenance-intensive machine element. These components must be checked at regular intervals for correct voltage and this must be adjusted if necessary. Likewise, both V-belts and toothed belts are subject to wear and must therefore be replaced at regular intervals.
- the GB 330834 also shows a mixer with a mixing container and a mixing shaft arranged in the tool shaft to which a working tool is attached. This drive shaft is driven by a drive motor.
- the DE 197 12 324 C2 and the DE 39 42 679 A1 show mixing devices for mixing liquids.
- the motors of the mixing device are held by means of rotor bearings.
- this object is achieved by a mixer according to claim 1.
- one of the bearings which is provided for the storage of the tool shaft, simultaneously used for the storage of the motor shaft.
- Motor shaft and tool shaft are therefore directly connected.
- the motor is arranged between the two tool bearings and the motor shaft is preferably mounted by means of the two tool bearings.
- the motor shaft is preferably mounted by means of the two tool bearings.
- the bearings for the tool shaft also serve as a bearing for the motor shaft.
- no distinction can be made in this embodiment between engine and tool shaft, since a portion of the shaft acts as a motor shaft and another portion of the same shaft as a tool shaft.
- a direct drive preferably a direct drive and more preferably a three-phase synchronous motor (servo motor, torque motor, reluctance motor) is used.
- a three-phase synchronous motor servo motor, torque motor, reluctance motor
- the bearing of the motor shaft facing the tool shaft is suitable for absorbing particularly high radial and axial forces. It is a combined radial thrust bearing (Radiax bearing), e.g. designed as a spherical roller or self-aligning ball bearings and particularly preferably as a double-row spherical roller bearings.
- Radiax bearing radial thrust bearing
- a further preferred embodiment provides that the diameter of the motor shaft differs at the two tool bearings, wherein preferably the diameter of the motor shaft d "on the tool shaft facing away from the tool bearing smaller, preferably at least 30%, more preferably at least 50% smaller than the diameter of the motor shaft D at the other tool bearing.
- the motor is expediently arranged in a motor housing, wherein both tool bearings are arranged on or in the motor housing.
- the motor housing having a first outer flange, with which the motor housing and thus the motor is fixed to the mixer housing.
- the motor housing having a second outer flange which is also secured to the mixer housing, wherein the second outer flange preferably has a larger average diameter than the first outer flange.
- the motor housing could for example have a circular cross-section, in which case expediently also the outer flanges have a circular cross-section. In principle, however, other cross sections, such as square or rectangular cross-sections are conceivable. Characterized in that the second outer flange has a larger average diameter, the motor can be easily attached to the mixer housing.
- the mixer housing may include a through-stage opening having a first smaller diameter portion and a second larger diameter portion, the second portion having a mean diameter greater than the mean diameter of the first outer flange and smaller than the average diameter of the second Outside flange is.
- the smallest mean diameter of the passage stage opening in the mixer housing is greater than the largest outer diameter of the working tool. By this measure, the entire work tool including the engine can be removed via the passage step opening.
- both flanges have holes for attaching the flanges to the mixer housing.
- the larger flange may have additional openings, which are preferably larger than the holes for attachment, which are provided so that a tool can access through the opening to the holes or fasteners in the smaller flange. This facilitates the attachment of the motor housing to the mixer housing.
- the tool shaft consists of two parts detachably fastened to one another, wherein one part is connected in one piece with the motor shaft, while the other part carries the working tool.
- the detachable connection can be made via a flange connection.
- the tool shaft may also be formed integrally with the motor shaft.
- FIG. 1 shows an embodiment of the prior art, which has already been described above.
- FIG. 2 shows a first embodiment of the invention.
- the drive motor 7 is accommodated in a motor housing 16, the motor housing 16 being fastened to the mixer cover 5 by means of two outer flanges 13, 17.
- the tool shaft 8 simultaneously acts as a motor shaft 21 at its drive end.
- the motor shaft 21, which is partially formed in the embodiment shown as a hollow shaft is held by the spherical roller bearing 18 and the radial bearing 19.
- the second outer flange 13, which faces the product space, ie the mixing container more, has a smaller outer diameter than the first outer flange 17.
- the entire motor can be inserted from the outside into the housing cover 5, so that first the outer flange with the smaller Outer diameter is inserted into a corresponding stepped bore in the container lid until it rests on the bottom of the extended bore.
- the distance between the two outer flanges 13, 17 is dimensioned such that in the in FIG. 2 shown situation, both flanges can be screwed to the housing cover 5.
- the engine can be easily detached and removed from the container lid.
- FIG. 3 which simultaneously shows a second embodiment of the mixer according to the invention.
- the engine including working tool 6 has been released from the housing cover 5, so that the engine including working tool 6 can be removed from the corresponding opening in the container lid.
- the embodiment shown differs from that in FIG. 2 shown embodiment in that the flange 10 is missing, so that here tool shaft and motor shaft are integrally formed.
- the axis of rotation of the working tool is arranged eccentrically to the axis of rotation of the mixing container.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Food-Manufacturing Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Description
Die vorliegende Erfindung betrifft einen Mischer mit einem Mischbehälter und einer zumindest teilweise im Mischbehälter angeordneten Werkzeugwelle, wobei die Werkzeugwelle ein Arbeitsende, an dem ein Arbeitswerkzeug befestigt ist oder befestigt werden kann, und ein Antriebsende, welches mittels zweier voneinander beabstandeter Werkzeuglager gelagert ist, aufweist, und wobei ein Antriebsmotor mit einer Motorwelle zum Antreiben der Werkzeugwelle vorgesehen ist.The present invention relates to a mixer with a mixing container and a tool shaft arranged at least partially in the mixing container, wherein the tool shaft has a working end, to which a working tool is fastened or can be attached, and a drive end, which is mounted by means of two tool bearings spaced apart from each other, and wherein a drive motor is provided with a motor shaft for driving the tool shaft.
Ein solcher Mischer ist beispielsweise bekannt aus der
Der bekannte Mischer aus dem Stand der Technik ist schematisch in
Die Arbeitswerkzeuge 6 sind an einer Werkzeugwelle 8 befestigt, die ein Antriebsende, an dem der Keilriemen 9 angreift, und ein Arbeitsende, an dem die als Mischwerkzeug ausgebildeten Arbeitswerkzeuge 6 befestigt sind, aufweist. Die Werkzeugwelle 8 ist in der gezeigten Ausführungsform zweiteilig ausgebildet, wobei die beiden Teile über die Flanschverbindung 10 miteinander verbunden bzw. voneinander getrennt werden können. Diese Flanschverbindung 10 ist u.a. dafür da, das Arbeitswerkzeug 6 gegen ein anderes Arbeitswerkzeug 6, wie z. B. einen Sternwirbler gegen einen Stiftenwirbler, auszutauschen. Zudem kann das Arbeitswerkzeug, wenn es Verschleißerscheinungen zeigt, gegen ein Neues ausgetauscht werden. Da sich sowohl der Mischbehälter 3 als auch die Werkzeugwelle 8 drehen, kann es zu erheblichen Querkräften auf die Werkzeugwelle 8 kommen, welche durch die Materialanströmung durch den drehenden Mischbehälter 3 verursacht werden, zumal die Werkzeugwelle nur an einer Seite in dem Gehäusedeckel 5 gehalten wird. Die Größe der Querkraft hängt u.a. von der Art des Mischgutes und natürlich von der Drehgeschwindigkeit von sowohl Mischbehälter 3 als auch dem Arbeitswerkzeug 6 ab.The
Zum Halten der Werkzeugwelle 8 sind daher am Antriebsende zwei Werkzeuglager 11, 12 vorgesehen, die jeweils die Welle mit einem Durchmesser D lagern. Zum Abfangen der Kräfte sind die Werkzeuglager 11, 12 über einen Flansch 13 am Mischergehäuse 2 bzw. dem Gehäusedeckel 5 verschraubt. Der Keilriemen 9 greift dann an dem Antriebsende der Werkzeugwelle 8 an. Der Antriebsmotor 7 weist eine Motorwelle 20 auf, die ebenfalls über zwei Motorlager 14, 15 gehalten wird. Man erkennt, dass der Durchmesser d' der Motorwelle 20 deutlich kleiner ist als der Durchmesser D der Werkzeugwelle 8.For holding the tool shaft 8, therefore, two
Als Antriebsmotor kommen im Stand der Technik hauptsächlich Drehstromasynchronmotoren oder Hydraulikmotoren mit Keilriemen- oder Zahnriemengetriebe, sowie Getriebemotoren vor.As a drive motor in the prior art mainly three-phase asynchronous motors or hydraulic motors with V-belt or toothed belt transmission, and geared motors before.
Allen diesen Antriebsarten ist gemein, dass eine Vielzahl von Elementen zur Drehmomenterzeugung und zur Drehmomentenwandlung sowie zur Aufnahme der Last benötigt werden. Im einfachsten Falle des Asynchronmotors mit entsprechender Lagerung werden mindestens vier Lager, zwei Lager für die Motorwelle und zwei Lager für die Werkzeugwelle, benötigt, die neben den Gewichtskräften zusätzlich auch die hohen Kräfte vom Arbeitswerkzeug sowie die erheblichen Riemenkräfte aufnehmen müssen.All these types of drives have in common that a variety of elements for torque generation and torque conversion and for receiving the load are needed. In the simplest case of the asynchronous motor with appropriate storage at least four bearings, two bearings for the motor shaft and two bearings for the tool shaft, needed in addition to the weight forces in addition, the high forces from the working tool and the considerable belt forces must absorb.
Wird ein Getriebemotor oder ein separates Getriebe verwendet, müssen für jede weitere Untersetzungsstufe mindestens zwei weitere Lager vorgesehen werden.If a geared motor or a separate gearbox is used, at least two further bearings must be provided for each additional reduction stage.
Neben den aufwändigen und dennoch ausfallbehafteten Lagern ist das Riemengetriebe, bestehend im allgemeinen aus einem Satz von mehreren Keilriemen oder Zahnriemen, ein wartungsintensives Maschinenelement. Diese Komponenten müssen in regelmäßigen Intervallen auf korrekte Spannung geprüft und diese muss ggf. angepasst werden. Ebenso sind sowohl Keilals auch Zahnriemen verschleißbehaftet und müssen daher in regelmäßigen Intervallen getauscht werden.In addition to the elaborate and yet failure-bearing bearings, the belt transmission, consisting generally of a set of multiple V-belts or timing belt, a maintenance-intensive machine element. These components must be checked at regular intervals for correct voltage and this must be adjusted if necessary. Likewise, both V-belts and toothed belts are subject to wear and must therefore be replaced at regular intervals.
Die
Die
Vor dem Hintergrund des beschriebenen Standes der Technik ist es daher Aufgabe der vorliegenden Erfindung, einen Mischer bereitzustellen, der einfach und kostengünstig herzustellen ist, ein möglichst hohes Drehmoment in einem weiten Drehzahlbereich und eine minimale Anzahl verschleißbehafteter Bauteile zum Antrieb des Arbeitswerkzeuges besitzt.Against the background of the described prior art, it is therefore an object of the present invention to provide a mixer which is simple and inexpensive to manufacture, has the highest possible torque in a wide speed range and a minimum number of components subject to wear to drive the working tool.
Erfindungsgemäß wird diese Aufgabe durch einen Mischer gemäß Anspruch 1 gelöst.According to the invention, this object is achieved by a mixer according to
Mit anderen Worten wird eines der Lager, welches für die Lagerung der Werkzeugwelle vorgesehen ist, gleichzeitig zur Lagerung der Motorwelle verwendet. Motorwelle und Werkzeugwelle sind, daher direkt miteinander verbunden. Durch diese Maßnahme kann zumindest ein Lager vermieden werden.In other words, one of the bearings, which is provided for the storage of the tool shaft, simultaneously used for the storage of the motor shaft. Motor shaft and tool shaft are therefore directly connected. By this measure, at least one bearing can be avoided.
Besonders bevorzugt ist eine Ausführungsform, bei welcher der Motor zwischen den beiden Werkzeuglagern angeordnet ist und die Motorwelle vorzugsweise mittels der beiden Werkzeuglager gelagert ist. Durch diese Ausführungsform kann auf zwei Lager verzichtet werden, da die Lager für die Werkzeugwelle gleichzeitig als Lager für die Motorwelle dienen. Im Grunde genommen kann bei dieser Ausführungsform nicht mehr zwischen Motor- und Werkzeugwelle unterschieden werden, da ein Abschnitt der Welle als Motorwelle und ein anderer Abschnitt derselben Welle als Werkzeugwelle fungiert.Particularly preferred is an embodiment in which the motor is arranged between the two tool bearings and the motor shaft is preferably mounted by means of the two tool bearings. By this embodiment can be dispensed with two bearings, since the bearings for the tool shaft also serve as a bearing for the motor shaft. Basically, no distinction can be made in this embodiment between engine and tool shaft, since a portion of the shaft acts as a motor shaft and another portion of the same shaft as a tool shaft.
Als Motor kommt in diesen Fällen vorzugsweise ein Direktantrieb und besonders bevorzugt ein Drehstrom Synchronmotor (Servomotor, Torque-Motor, Reluktanzmotor) zum Einsatz.As a motor comes in these cases preferably a direct drive and more preferably a three-phase synchronous motor (servo motor, torque motor, reluctance motor) is used.
In einer weiteren bevorzugten Ausführungsform ist das der Werkzeugwelle zugewandte Lager der Motorwelle geeignet, besonders hohe radiale und axiale Kräfte aufzunehmen. Es ist als kombiniertes Radial-Axiallager (Radiaxlager), z.B. als ein Pendelrollen- bzw. Pendelkugellager und besonders bevorzugt als zweireihiges Pendelrollenlager ausgeführt.In a further preferred embodiment, the bearing of the motor shaft facing the tool shaft is suitable for absorbing particularly high radial and axial forces. It is a combined radial thrust bearing (Radiax bearing), e.g. designed as a spherical roller or self-aligning ball bearings and particularly preferably as a double-row spherical roller bearings.
Es hat sich gezeigt, dass insbesondere ein zweireihiges Pendelrollenlager die im Betrieb auftretenden Querkräfte am besten aufnehmen kann.It has been found that in particular a double-row spherical roller bearing can best absorb the transverse forces occurring during operation.
Eine weitere bevorzugte Ausführungsform sieht vor, dass sich der Durchmesser der Motorwelle an den beiden Werkzeuglagern unterscheidet, wobei vorzugsweise der Durchmesser der Motorwelle d" an dem der Werkzeugwelle abgewandten Werkzeuglager kleiner, vorzugsweise mindestens 30 %, besonders bevorzugt mindestens 50 % kleiner als der Durchmesser der Motorwelle D an dem anderen Werkzeuglager ist.A further preferred embodiment provides that the diameter of the motor shaft differs at the two tool bearings, wherein preferably the diameter of the motor shaft d "on the tool shaft facing away from the tool bearing smaller, preferably at least 30%, more preferably at least 50% smaller than the diameter of the motor shaft D at the other tool bearing.
Es hat sich gezeigt, dass lediglich das dem Mischbehälter zugewandte Lager einen großen Durchmesser aufweisen muss. Bei geeigneter Dimensionierung der Lager kann das dem Mischbehälter abgewandte Lager erheblich kleiner und damit kostengünstiger dimensioniert werden.It has been shown that only the bearing facing the mixing container must have a large diameter. With a suitable dimensioning of the bearing, the bearing facing away from the mixing container can be considerably smaller and thus cost-effective dimensioned.
Der Motor ist zweckmäßigerweise in einem Motorgehäuse angeordnet, wobei beide Werkzeuglager am oder im Motorgehäuse angeordnet sind. Dabei kann das Motorgehäuse einen ersten Außenflansch aufweisen, mit dem das Motorgehäuse und damit der Motor an dem Mischergehäuse befestigt ist. Weiterhin kann in einer besonders bevorzugten Ausführungsform das Motorgehäuse einen zweiten Außenflansch aufweisen, der ebenfalls am Mischergehäuse befestigt ist, wobei der zweite Außenflansch vorzugsweise einen größeren mittleren Durchmesser als der erste Außenflansch aufweist.The motor is expediently arranged in a motor housing, wherein both tool bearings are arranged on or in the motor housing. In this case, the motor housing having a first outer flange, with which the motor housing and thus the motor is fixed to the mixer housing. Furthermore, in a particularly preferred embodiment, the motor housing having a second outer flange which is also secured to the mixer housing, wherein the second outer flange preferably has a larger average diameter than the first outer flange.
Das Motorgehäuse könnte beispielsweise einen kreisförmigen Querschnitt aufweisen, wobei dann zweckmäßigerweise auch die Außenflansche einen kreisförmigen Querschnitt haben. Grundsätzlich sind jedoch auch andere Querschnitte, beispielsweise quadratische oder rechteckige Querschnitte denkbar. Dadurch, dass der zweite Außenflansch einen größeren mittleren Durchmesser aufweist, kann der Motor einfach am Mischergehäuse befestigt werden. Beispielsweise kann das Mischergehäuse eine Durchgangsstufenöffnung mit einem ersten Abschnitt mit kleinerem mittleren Durchmesser und einen zweiten Abschnitt mit größerem mittleren Durchmesser aufweisen, wobei der zweite Abschnitt einen mittleren Durchmesser aufweist, der größer als der mittlere Durchmesser des ersten Außenflansches und kleiner als der mittlere Durchmesser des zweiten Außenflansches ist. In einer bevorzugten Ausführungsform ist der kleinste mittlere Durchmesser der Durchgangsstufenöffnung im Mischergehäuse größer als der größte Außendurchmesser des Arbeitswerkzeuges. Durch diese Maßnahme kann das gesamte Arbeitswerkzeug samt Motor über die Durchgangsstufenöffnung entnommen werden.The motor housing could for example have a circular cross-section, in which case expediently also the outer flanges have a circular cross-section. In principle, however, other cross sections, such as square or rectangular cross-sections are conceivable. Characterized in that the second outer flange has a larger average diameter, the motor can be easily attached to the mixer housing. For example, the mixer housing may include a through-stage opening having a first smaller diameter portion and a second larger diameter portion, the second portion having a mean diameter greater than the mean diameter of the first outer flange and smaller than the average diameter of the second Outside flange is. In a preferred embodiment, the smallest mean diameter of the passage stage opening in the mixer housing is greater than the largest outer diameter of the working tool. By this measure, the entire work tool including the engine can be removed via the passage step opening.
Typischerweise weisen beide Flansche Bohrungen zur Befestigung der Flansche am Mischergehäuse auf. Dabei kann der größere Flansch zusätzliche Öffnungen aufweisen, die vorzugsweise größer als die Bohrungen zur Befestigung sind, die dafür vorgesehen sind, dass ein Werkzeug durch die Öffnung auf die Bohrungen bzw. Befestigungsmittel im kleineren Flansch zugreifen kann. Dies erleichtert die Befestigung des Motorgehäuses am Mischergehäuse.Typically, both flanges have holes for attaching the flanges to the mixer housing. In this case, the larger flange may have additional openings, which are preferably larger than the holes for attachment, which are provided so that a tool can access through the opening to the holes or fasteners in the smaller flange. This facilitates the attachment of the motor housing to the mixer housing.
In einer weiteren bevorzugten Ausführungsform besteht die Werkzeugwelle aus zwei lösbar aneinander befestigten Teilen, wobei der eine Teil einstückig mit der Motorwelle verbunden ist, während der andere Teil das Arbeitswerkzeug trägt. Dabei kann die lösbare Verbindung über eine Flanschverbindung erfolgen.In a further preferred embodiment, the tool shaft consists of two parts detachably fastened to one another, wherein one part is connected in one piece with the motor shaft, while the other part carries the working tool. In this case, the detachable connection can be made via a flange connection.
Alternativ dazu kann die Werkzeugwelle auch einstückig mit der Motorwelle ausgebildet sein.Alternatively, the tool shaft may also be formed integrally with the motor shaft.
Weitere Vorteile, Merkmale und Anwendungsmöglichkeiten der vorliegenden Erfindung werden deutlich anhand der folgenden Beschreibung bevorzugter Ausführungsformen sowie der zugehörigen Figuren.Further advantages, features and possible applications of the present invention will become apparent from the following description of preferred embodiments and the accompanying figures.
Es zeigen:
Figur 1- einen Vertikalschnitt durch einen Mischer des Standes der Technik,
Figur 2- einen Vertikalschnitt durch eine erste erfindungsgemäße Ausführungsform, und
Figur 3- einen Vertikalschnitt durch eine zweite erfindungsgemäße Ausführungsform.
- FIG. 1
- a vertical section through a mixer of the prior art,
- FIG. 2
- a vertical section through a first embodiment of the invention, and
- FIG. 3
- a vertical section through a second embodiment of the invention.
Bei Bedarf kann somit der Motor leicht vom Behälterdeckel gelöst und entnommen werden.If necessary, therefore, the engine can be easily detached and removed from the container lid.
Eine solche Situation ist in
Durch die Integration des Motors in eine robuste Lagerungseinheit zur Aufnahme der Kräfte und Momente des Arbeitswerkzeuges entsteht eine Einheit mit minimalem Wartungsaufwand und höchstmöglicher Zuverlässigkeit. Es wird nur eine Welle in zwei Lagern geführt. Diese Welle übernimmt sowohl die Kräfte des Motors (z. B. Gewichtskräfte, magnetische Restkräfte) als auch die Kräfte des Arbeitswerkzeuges (Wirbler, Kneter usw.). Eine eventuell notwendige Variation der Drehzahl kann durch die Verwendung eines Frequenzumrichters ermöglicht werden.The integration of the motor into a robust storage unit to absorb the forces and moments of the work tool creates a unit with minimal maintenance and the highest possible reliability. There is only one wave in two camps. This shaft takes over both the forces of the engine (eg weight forces, residual magnetic forces) and the forces of the working tool (whirler, kneader, etc.). Any necessary variation of the speed can be made possible by the use of a frequency converter.
- 11
- Mischermixer
- 22
- Mischergehäusemixer housing
- 33
- Mischbehältermixing tank
- 44
- Kugellagerball-bearing
- 55
- Gehäusedeckelhousing cover
- 66
- Arbeitswerkzeugwork tool
- 77
- Antriebsmotordrive motor
- 88th
- Werkzeugwelletool shaft
- 99
- Keilriemenfan belt
- 1010
- Flanschverbindungflange
- 11, 1211, 12
- Werkzeuglagertool storage
- 1313
- Flanschflange
- 14, 1514, 15
- Motorlagermotor bearings
- 1616
- Motorgehäusemotor housing
- 1717
- Flanschflange
- 1818
- PendelrollenlagerSpherical roller bearings
- 1919
- Radiallagerradial bearings
- 20 ,2120, 21
- Motorwellemotor shaft
- 2222
- Öffnung für MontagewerkzeugOpening for assembly tool
Claims (11)
- Mixer with a mixing container and a tool shaft (8) arranged at least partly in the mixing container, the tool shaft having a working end to which a working tool (6) is fastened or can be fastened and a drive end which is mounted by means of two mutually set-apart tool bearings, a drive motor (7) being provided with a motor shaft (21) for driving the tool shaft (8), characterised in that the motor shaft (21) is mounted by at least one of the two mutually set-apart tool bearings, one of the bearings, preferably the bearing arranged closer to the working end of the tool shaft (8), is a combined radial axial bearing (radiax bearing) (18), preferably a self-aligning roller bearing or self-aligning ball bearing and particularly preferably a twin-row self-aligning roller bearing (18).
- Mixer according to claim 1, characterised in that the motor is arranged between the two tool bearings and the motor shaft (21) is mounted preferably by means of the two tool bearings, so that the tool shaft also serves as the motor shaft.
- Mixer according to claim 1 or 2, characterised in that the motor is a direct drive, preferably a three-phase synchronous motor, preferably a torque motor, servo motor or reluctance motor.
- Mixer according to one of claims 1 to 3, characterised in that the diameter of the motor shaft (21) differs on the two tool bearings, preferably the diameter of the motor shaft (21) on the tool bearing remote from the tool shaft (8) being smaller, preferably at least 30 % and particularly preferably at least 50 % smaller, than the diameter of the motor shaft (21) on the other tool bearing.
- Mixer according to one of claims 1 to 4, characterised in that the motor is arranged in a motor housing (16), both tool bearings being arranged on or in the motor housing (16).
- Mixer according to claim 5, characterised in that the motor housing (16) has a first outer flange (13) and the mixer has a mixer housing (2) in which the mixing container (3) is arranged, the outer flange being fastened to the mixer housing, particularly preferably to the housing cover (5).
- Mixer according to claim 6, characterised in that the motor housing (16) has a second outer flange (17) which is also fastened to the mixer housing, the second outer flange (17) having preferably a larger average diameter than the first outer flange (13).
- Mixer according to claim 7, characterised in that the mixer housing has a stepped through-opening with a first portion having a smaller average diameter and a second portion having a larger average diameter, the second portion having an average diameter which is larger than the average diameter of the first outer flange (13) and is smaller than the average diameter of the second outer flange (17).
- Mixer according to claim 7, characterised in that the smallest stepped through-opening is larger than the largest external diameter of the working tool (6).
- Mixer according to one of claims 1 to 9, characterised in that the tool shaft (8) has two portions which are detachably fastened to each other, one of the portions being formed in one piece with the motor shaft (21).
- Mixer according to one of claims 1 to 9, characterised in that the tool shaft (8) and the motor shaft (21) are formed in one piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09764834T PL2358467T3 (en) | 2008-12-17 | 2009-12-04 | Mixer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008054842A DE102008054842A1 (en) | 2008-12-17 | 2008-12-17 | mixer |
PCT/EP2009/066458 WO2010076120A1 (en) | 2008-12-17 | 2009-12-04 | Mixer having rotating mixing container |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2358467A1 EP2358467A1 (en) | 2011-08-24 |
EP2358467B1 true EP2358467B1 (en) | 2014-07-16 |
Family
ID=41666436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09764834.9A Active EP2358467B1 (en) | 2008-12-17 | 2009-12-04 | Mixer |
Country Status (20)
Country | Link |
---|---|
US (1) | US9694331B2 (en) |
EP (1) | EP2358467B1 (en) |
JP (1) | JP5610163B2 (en) |
KR (1) | KR101665493B1 (en) |
CN (1) | CN102300629B (en) |
AU (1) | AU2009334941B2 (en) |
BR (1) | BRPI0923457B1 (en) |
CA (1) | CA2743256C (en) |
DE (1) | DE102008054842A1 (en) |
DK (1) | DK2358467T3 (en) |
ES (1) | ES2495747T3 (en) |
MX (1) | MX2011006161A (en) |
PE (1) | PE20120504A1 (en) |
PL (1) | PL2358467T3 (en) |
PT (1) | PT2358467E (en) |
RU (1) | RU2521571C2 (en) |
TW (1) | TWI523682B (en) |
UA (1) | UA105912C2 (en) |
WO (1) | WO2010076120A1 (en) |
ZA (1) | ZA201103278B (en) |
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US11684900B2 (en) | 2018-03-16 | 2023-06-27 | Maschinenfabrik Gustav Eirich Gmbh & Co. Kg | Hygienic mixer which is pivotably mounted |
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- 2009-12-04 CN CN200980151667.9A patent/CN102300629B/en active Active
- 2009-12-04 RU RU2011129206/05A patent/RU2521571C2/en active
- 2009-12-04 CA CA2743256A patent/CA2743256C/en active Active
- 2009-12-04 KR KR1020117016648A patent/KR101665493B1/en active IP Right Grant
- 2009-12-04 ES ES09764834.9T patent/ES2495747T3/en active Active
- 2009-12-04 DK DK09764834.9T patent/DK2358467T3/en active
- 2009-12-04 PE PE2011001200A patent/PE20120504A1/en active IP Right Grant
- 2009-12-04 US US13/140,472 patent/US9694331B2/en active Active
- 2009-12-04 WO PCT/EP2009/066458 patent/WO2010076120A1/en active Application Filing
- 2009-12-04 UA UAA201108861A patent/UA105912C2/en unknown
- 2009-12-04 MX MX2011006161A patent/MX2011006161A/en active IP Right Grant
- 2009-12-04 EP EP09764834.9A patent/EP2358467B1/en active Active
- 2009-12-04 BR BRPI0923457-8A patent/BRPI0923457B1/en active IP Right Grant
- 2009-12-04 AU AU2009334941A patent/AU2009334941B2/en active Active
- 2009-12-04 PT PT97648349T patent/PT2358467E/en unknown
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2011
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Also Published As
Publication number | Publication date |
---|---|
CA2743256A1 (en) | 2010-07-08 |
TWI523682B (en) | 2016-03-01 |
KR20110097959A (en) | 2011-08-31 |
AU2009334941B2 (en) | 2012-09-20 |
DE102008054842A1 (en) | 2010-07-01 |
BRPI0923457B1 (en) | 2020-02-18 |
PL2358467T3 (en) | 2014-11-28 |
CN102300629B (en) | 2016-08-03 |
AU2009334941A1 (en) | 2011-07-07 |
TW201029732A (en) | 2010-08-16 |
WO2010076120A1 (en) | 2010-07-08 |
PE20120504A1 (en) | 2012-05-10 |
EP2358467A1 (en) | 2011-08-24 |
KR101665493B1 (en) | 2016-10-24 |
MX2011006161A (en) | 2011-07-28 |
CN102300629A (en) | 2011-12-28 |
US9694331B2 (en) | 2017-07-04 |
RU2521571C2 (en) | 2014-06-27 |
JP2012512017A (en) | 2012-05-31 |
US20110249527A1 (en) | 2011-10-13 |
DK2358467T3 (en) | 2014-09-22 |
PT2358467E (en) | 2014-08-29 |
RU2011129206A (en) | 2013-01-27 |
ZA201103278B (en) | 2012-07-25 |
BRPI0923457A2 (en) | 2016-01-12 |
ES2495747T3 (en) | 2014-09-17 |
JP5610163B2 (en) | 2014-10-22 |
CA2743256C (en) | 2017-03-07 |
UA105912C2 (en) | 2014-07-10 |
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