EP1056534B1 - Twirling stick for a mixing device - Google Patents
Twirling stick for a mixing device Download PDFInfo
- Publication number
- EP1056534B1 EP1056534B1 EP98963547A EP98963547A EP1056534B1 EP 1056534 B1 EP1056534 B1 EP 1056534B1 EP 98963547 A EP98963547 A EP 98963547A EP 98963547 A EP98963547 A EP 98963547A EP 1056534 B1 EP1056534 B1 EP 1056534B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixing
- auxiliary
- rod
- rods
- twirling
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
- B01F27/1142—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections of the corkscrew type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/13—Openwork frame or cage stirrers not provided for in other groups of this subclass
Definitions
- the invention relates to a mixer for a mixing device for powdery or fine-grained mix for mixing with water, especially for one in one Plastering machine arranged mixing device, as shown in WO-A-9902249 published on January 21, 1999 with the priority of July 9, 1997.
- Plastering machines in use with a mixing device in the powdery or fine-grained mix is mixed with water, have a funnel-shaped Conveying container for the powdery mix, one mixing zone connected to the funnel exit at the bottom, into which the water is introduced, and a mixing whisk on that through an opening in the hopper entered mix is recorded and brought into the mixing zone.
- the mixing whisk is in turn on the delivery container side with a drive motor and with a mixing zone Feed pump engaged, which the mixed material into a Pipeline pumps.
- the feed pump is common a worm pump and rotates simultaneously with the Mixing whisk.
- the mixing whisk assigns two in parallel in the mixing zone mixing rods arranged at a distance from its axis of rotation, that extend to the feed pump and on the feed pump side through a centering pin and at the same time trained as a driving element for the feed pump Cross bar are connected to each other, which is also the Ensures stability of the mixing whisk.
- the mixing sticks are at their upper end in the area of the hopper exit connected to each other with a crossbar which is a drive rod guided through the feed hopper is fixedly arranged with the drive shaft of the drive motor is engaged.
- a mixing spiral is arranged, with its delivery pump side End with one of the two mixing sticks connected and spiraling and opening upwards extends into the hopper.
- the mixed material entered in the feed hopper is from of the rotating spiral and with their support brought down to the mixing zone and there with water introduced through a side pipe is mixed.
- it can be dependent of the mix and the amount of water introduced Clumping and consequent constipation, in particular by insufficient mixing, so that the mixing and conveying process of the mixed good considerably is disturbed.
- This task is for a mixing whisk according to the generic term of claim 1 by the characterizing features solved.
- two mixing rods arranged essentially parallel to its axis of rotation and a mixing spiral arranged on the latter, which is connected at one end to a drive motor and at the other end to a feed pump additionally has at least one auxiliary mixing rod according to the invention , which is arranged in the region of the orbit of the mixing rods and which is at an angular distance of essentially 45 ° to 135 ° to the mixing rod arranged in front of it in the direction of rotation.
- the respective auxiliary mixing stick is over the entire range the mixing zone and extends on the drive motor side into the area of the conveyor spiral in order to in this way as early as possible in the mixing process intervene and act over the entire duration of the same can.
- the auxiliary mixing rod can be bent on Main body of the mixing whisk, preferably such that it mediates at its delivery pump end a bend directed towards the axis of rotation on one the mixing rods at their feed pump end connecting and a centering pin for the feed pump having transverse rod is arranged and on its drive motor side End over a bend on one Mixing rod or a connecting crossbar.
- the respective auxiliary mixing rod can be straight and, for example be formed parallel to the mixing rods. To further increase the effectiveness of the mixing process However, it can also pass through this and the axis of rotation defined plane be wavy.
- the wave crests can of an auxiliary mixing rod each of the troughs face another auxiliary mixing stick. To this way, additional flows are advantageous the mixing of the mix with water, and the mixing is intensified.
- auxiliary mixing rod in a wave shape and an opposite one in a straight line.
- the respective auxiliary mixing rod can have a round, flat or square profile.
- auxiliary mixing bars can also be connected to form a module that can be used as a retrofit unit in conventional mixing whisks.
- Fig. 1 is a mixing device with an inventive Mixing whisk 1 shown for a cleaning machine.
- the mixing whisk 1 has two parallel to the axis of rotation A im Spaced mixing bars 2 and in the middle between this at the same distance from the axis of rotation A in each case an auxiliary mixing rod 2a and a conveyor spiral 3.
- the mixer whisk 1 engages with a flange 4 into a recess of the output shaft corresponding to this 5 of an electric motor 6.
- the mixing rods 2 and the auxiliary mixing rods 2a through a crossbar having a centering pin 7 (FIG.
- the stability of the Mixing whisk 1 ensures and at the same time as a take-along element for the feed pump 9, a screw pump known Design, so acts as a drive element for this.
- the Mixing whisk 1 is arranged so that the conveyor spiral 3 in the area of a feed hopper 10 and the mixing rods 2 in the area of their parallel arrangement in one Mixing zone 11 are located at the tapered exit of the feed hopper 10 connects and into a pipe 12 flows into the introduction of water.
- the auxiliary mixing sticks 2a have in this arrangement to that in the direction of rotation each in front of these arranged mixing rod 2 Angular distance of 90 ° and the same orbit as the mixing rods 2.
- the auxiliary mixing rod 2a located at the front in FIG. 1 is essentially only formed in the area of the mixing zone 11, while the auxiliary mixing rod 2a hidden in the area of the mixing zone 11 projects into the feed hopper 10 on the drive motor side.
- the auxiliary mixing rods 2a are fastened at their end on the delivery pump side via a bend 2b (FIG. 2), which is directed radially to the axis of rotation A, to the crossbar 8 connecting the mixing rods 2 and are designed as a unit.
- the end on the drive motor side they are each firmly connected to a mixing rod 2 by means of a bend 2c. In this way, a mixing cage is formed in the area of the mixing zone 11.
- the mixing rods 2 are guided through the conveyor spiral 3 to the output shaft 5. With its end facing the feed pump 9, the feed spiral 3 is welded to one of the mixing rods 2 and is supported at a distance from this fastening point by a crossbar 13 connected to both mixing rods 2 (welded connection), which is arranged outside the mixing rods 2 for about a third of its total length L. is (Fig. 2).
- This traverse 13 is arranged in the radial direction to the connection point to the conveyor spiral 3 with respect to the perpendicular to the axis of rotation A - or the plane running perpendicular to the axis of rotation - at an angle a of substantially 15 ° increasing.
- the conveyor spiral 3 and the crossmember 13 each have a pressure surface 14 or 15 on the delivery pump side, which are respectively set at an angle ⁇ of essentially 15 ° in the direction of rotation (indicated by the arrow).
- the mixing rods 2 also have a pressure surface 16 on the axis of rotation, which is flared outward at an angle ⁇ of essentially 15 ° in the direction of rotation (FIG. 3).
- the cross member 13 and the mixing rods 2 are provided with a rounded cutting edge S in the direction of rotation, as can be seen from FIGS. 1, 2 and 3. Due to the angle of attack ⁇ of the conveyor spiral and the associated inclination thereof, a cutting edge S F also results on this.
- FIGS. 2 and 3 illustrate the design and arrangement the auxiliary mixing rods 2a. These are in the plane that defined by this itself and the axis of rotation A, wavy trained, the wave crests of one Auxiliary mixing rod 2a the troughs of the other are opposed.
Abstract
Description
Die Erfindung betrifft einen Mischquirl für eine Mischeinrichtung für pulverförmiges oder feinkörniges Mischgut zum Mischen mit Wasser, insbesondere für eine in einer Putzmaschine angeordnete Mischeinrichtung, wie sie in der am 21.01.1999 verüffentlichten WO-A- 9902249 mit der Priorität vom 09.07.97 dargestellt ist.The invention relates to a mixer for a mixing device for powdery or fine-grained mix for mixing with water, especially for one in one Plastering machine arranged mixing device, as shown in WO-A-9902249 published on January 21, 1999 with the priority of July 9, 1997.
Im Einsatz befindliche Putzmaschinen mit einer Mischeinrichtung, in der pulverförmiges oder feinkörniges Mischgut mit Wasser vermischt wird, weisen einen trichterförmigen Förderbehälter für das pulverförmige Mischgut, eine an den Trichterausgang nach unten angeschlossene Mischzone, in die das Wasser eingeleitet wird, und einen Mischquirl auf, der das durch eine Öffnung in den Förderbehälter eingegebene Mischgut erfaßt und in die Mischzone verbringt. Der Mischquirl wiederum steht förderbehälterseitig mit einem Antriebsmotor und mischzonenseitig mit einer Förderpumpe im Eingriff, die das gemischte Gut in eine Rohrleitung pumpt. Die Förderpumpe ist üblicherweise eine Schneckenpumpe und dreht sich simultan mit dem Mischquirl.Plastering machines in use with a mixing device, in the powdery or fine-grained mix is mixed with water, have a funnel-shaped Conveying container for the powdery mix, one mixing zone connected to the funnel exit at the bottom, into which the water is introduced, and a mixing whisk on that through an opening in the hopper entered mix is recorded and brought into the mixing zone. The mixing whisk is in turn on the delivery container side with a drive motor and with a mixing zone Feed pump engaged, which the mixed material into a Pipeline pumps. The feed pump is common a worm pump and rotates simultaneously with the Mixing whisk.
Der Mischquirl weist in der Mischzone zwei parallel zu seiner Drehachse im Abstand angeordnete Mischstäbe auf, die bis zur Förderpumpe reichen und förderpumpenseitig durch einen einen Zentrierzapfen aufweisenden und zugleich als Mitnahmeelement für die Förderpumpe ausgebildeten Querstab miteinander verbunden sind, der auch die Stabilität des Mischquirls sicherstellt. Die Mischstäbe sind an ihrem oberen Ende im Bereich des Fördertrichterausganges mit einem Quersteg miteinander verbunden, an dem ein durch den Fördertrichter geführter Antriebsstab fest angeordnet ist, der mit der Antriebswelle des Antriebsmotors im Eingriff steht. Um diesen Antriebsstab ist eine Mischspirale angeordnet, die mit ihrem förderpumpenseitigen Ende mit einem der beiden Mischstäbe fest verbunden ist und sich spiralförmig und nach oben öffnend in den Fördertrichter erstreckt.The mixing whisk assigns two in parallel in the mixing zone mixing rods arranged at a distance from its axis of rotation, that extend to the feed pump and on the feed pump side through a centering pin and at the same time trained as a driving element for the feed pump Cross bar are connected to each other, which is also the Ensures stability of the mixing whisk. The mixing sticks are at their upper end in the area of the hopper exit connected to each other with a crossbar which is a drive rod guided through the feed hopper is fixedly arranged with the drive shaft of the drive motor is engaged. To this drive rod a mixing spiral is arranged, with its delivery pump side End with one of the two mixing sticks connected and spiraling and opening upwards extends into the hopper.
Das in den Fördertrichter eingegebene Mischgut wird von der sich drehenden Spirale erfaßt und mit deren Unterstützung nach unten in die Mischzone verbracht und dort mit Wasser, das durch eine seitliche Rohrleitung eingeführt wird, vermischt. Dabei kann es jedoch in Abhängigkeit vom Mischgut und der eingeleiteten Wassermenge zu Verklumpungen und in deren Folge zu Verstopfungen kommen, insbesondere durch eine ungenügende Durchmischung, so daß der Misch- und der Förderprozeß des gemischten Gutes erheblich gestört ist.The mixed material entered in the feed hopper is from of the rotating spiral and with their support brought down to the mixing zone and there with water introduced through a side pipe is mixed. However, it can be dependent of the mix and the amount of water introduced Clumping and consequent constipation, in particular by insufficient mixing, so that the mixing and conveying process of the mixed good considerably is disturbed.
Es ist nun Aufgabe der Erfindung, einen Mischquirl für eine Mischeinrichtung nach dem Oberbegriff des Anspruchs 1 zu schaffen, mit dem die Effektivität des Mischprozesses unter weitestgehender Vermeidung von Verklumpungen erheblich erhöht werden kann.It is an object of the invention to provide a mixer for a mixing device according to the preamble of the claim 1 to create the effectiveness of the mixing process with the greatest possible avoidance of clumping can be increased significantly.
Diese Aufgabe wird bei einem Mischquirl nach dem Oberbegriff des Anspruchs 1 durch dessen kennzeichnende Merkmale gelöst.This task is for a mixing whisk according to the generic term of claim 1 by the characterizing features solved.
Ein in bekannter Weise zwei im wesentlichen parallel zu
seiner Drehachse im Abstand angeordnete Mischstäbe und
eine an diesen angeordnete Förderspirale aufweisender
Mischquirl, der an einem Ende mit einem Antriebsmotor und
am anderen Ende mit einer Förderpumpe verbunden ist,
weist erfindungsgemäß zusätzlich wenigstens einen Hilfs-Mischstab
auf, der im Bereich der Umlaufbahn der Mischstäbe
angeordnet ist und der zu dem in Drehrichtung vor
diesem angeordneten Mischstab einen Winkelabstand von im
wesentlichen 45° bis 135° hat.
Durch diesen zusätzlichen Hilfs-Mischstab, der so angeordnet
ist, daß die Mischzone im Inneren der Umlaufbahn
der Mischstäbe frei von Bauteilen bleibt, gelingt es, das
Mischgut beschleunigt mit Wasser zu durchmischen und dabei
zu Verklumpungen führende unbefeuchtete oder wenig
befeuchtete Mischbereiche weitestgehend zu beseitigen.
Damit werden auch Verstopfungen beim Förderprozeß des gemischten
Gutes vermieden.In a known manner, two mixing rods arranged essentially parallel to its axis of rotation and a mixing spiral arranged on the latter, which is connected at one end to a drive motor and at the other end to a feed pump, additionally has at least one auxiliary mixing rod according to the invention , which is arranged in the region of the orbit of the mixing rods and which is at an angular distance of essentially 45 ° to 135 ° to the mixing rod arranged in front of it in the direction of rotation.
Through this additional auxiliary mixing rod, which is arranged so that the mixing zone inside the orbit of the mixing rods remains free of components, it is possible to mix the mixed material accelerated with water and to remove clogged, non-humidified or slightly humidified mixing areas as far as possible. This also prevents blockages in the conveying process of the mixed goods.
Vorteilhaft ist es, wenn zwischen den Mischstäben jeweils wenigstens ein Hilfs-Mischstab angeordnet ist und wenn der Winkelabstand der Hilfs-Mischstäbe zu den Mischstäben etwa 90° beträgt, weil dadurch der Abstand zwischen den Stäben stets gleich ist und die Wirkung der Hilfs-Mischstäbe auf die Durchmischung optimiert ist. Sind die Hilfs-Mischstäbe bzw. ist der Hilfsmischstab hingegen sehr nahe an einem Mischstab angeordnet, also in einem Winkelabstand unter 45°, wird die Verbesserung des Mischprozesses spürbar reduziert.It is advantageous if in each case between the mixing rods at least one auxiliary mixing rod is arranged and if the angular distance of the auxiliary mixing rods to the mixing rods is about 90 °, because this means that the distance between the Bars is always the same and the effect of the auxiliary mixing bars is optimized for mixing. Are the Auxiliary mixing rods or is the auxiliary mixing rod, however arranged very close to a mixing stick, i.e. in one Angular distance below 45 °, will improve the mixing process noticeably reduced.
Der jeweilige Hilfs-Mischstab ist über den gesamten Bereich der Mischzone ausgebildet und reicht antriebsmotorseitig bis in den Bereich der Förderspirale hinein, um auf diese Weise möglichst frühzeitig in den Mischprozeß eingreifen und über die gesamte Dauer desselben wirken zu können.The respective auxiliary mixing stick is over the entire range the mixing zone and extends on the drive motor side into the area of the conveyor spiral in order to in this way as early as possible in the mixing process intervene and act over the entire duration of the same can.
Dabei kann der Hilfs-Mischstab über Abwinklungen am Grundkörper des Mischquirls gehaltert sein, vorzugsweise derart, daß er an seinem förderpumpenseitigen Ende vermittels einer zur Drehachse gerichteten Abwinklung an einem die Mischstäbe an deren förderpumpenseitigem Ende verbindenden und einen Zentrierzapfen für die Förderpumpe aufweisenden Querstab angeordnet ist und an seinem antriebsmotorseitigen Ende über eine Abwinklung an einem Mischstab oder einer verbindenden Traverse.The auxiliary mixing rod can be bent on Main body of the mixing whisk, preferably such that it mediates at its delivery pump end a bend directed towards the axis of rotation on one the mixing rods at their feed pump end connecting and a centering pin for the feed pump having transverse rod is arranged and on its drive motor side End over a bend on one Mixing rod or a connecting crossbar.
Der jeweilige Hilfs-Miscbstab kann gerade und beispielsweise parallel zu den Mischstäben ausgebildet sein. Zur weiteren Erhöhung der Effektivität des Mischprozesses kann er jedoch auch in der durch diesen und die Drehachse definierten Ebene wellenförmig ausgebildet sein.The respective auxiliary mixing rod can be straight and, for example be formed parallel to the mixing rods. To further increase the effectiveness of the mixing process However, it can also pass through this and the axis of rotation defined plane be wavy.
Bei Anordnung mehrerer Hilfsmischstäbe können die Wellenberge eines Hilfs-Mischstabes den Wellentälern eines jeweils anderen Hilfs-Mischstabes gegenüberstehen. Auf diese Weise werden vorteilhaft zusätzliche Strömungen bei der Durchmischung des Mischgutes mit Wasser erzeugt, und die Durchmischung wird intensiviert.If several auxiliary mixing rods are arranged, the wave crests can of an auxiliary mixing rod each of the troughs face another auxiliary mixing stick. To this In this way, additional flows are advantageous the mixing of the mix with water, and the mixing is intensified.
Aus dem gleichen Grunde ist es auch schon vorteilhaft,
einen Hilfs-Mischstab wellenförmig und einen gegenüberstehenden
gerade auszubilden.
Der jeweilige Hilfs-Mischstab kann Rund-, Flach- oder
Vierkantprofil aufweisen. Mehrere Hilfs-Mischstäbe können
auch zu einem Modul verbunden sein, der als Nachrüstbaueinheit
in herkömmliche Mischquirle einsetzbar ist.For the same reason, it is also advantageous to design an auxiliary mixing rod in a wave shape and an opposite one in a straight line.
The respective auxiliary mixing rod can have a round, flat or square profile. Several auxiliary mixing bars can also be connected to form a module that can be used as a retrofit unit in conventional mixing whisks.
Es hat sich gezeigt, daß die Wirkung der Hilfs-Mischstäbe auch bei einem erheblich kleineren Querschnitt als der der Mischstäbe gegeben ist, so daß vergleichsweise dünne Hilfs-Mischstäbe völlig ausreichend sind.It has been shown that the effect of the auxiliary mixing rods even with a considerably smaller cross section than that the mixing rods is given, so that comparatively thin Auxiliary mixing rods are completely sufficient.
Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels erläutert. In der zugehörigen Zeichnung zeigen schematisch:
- Fig. 1:
- eine Mischeinrichtung mit einem erfindungsgemäßen Mischquirl,
- Fig. 2:
- eine perspektivische Darstellung des Mischquirls,
- Fig. 3:
- einen Schnitt III-III durch den Mischquirl.
- Fig. 1:
- a mixing device with a mixing whisk according to the invention,
- Fig. 2:
- a perspective view of the mixing whisk,
- Fig. 3:
- a section III-III through the mixing whisk.
In Fig. 1 ist eine Mischeinrichtung mit einem erfindungsgemäßen
Mischquirl 1 für eine Putzmaschine dargestellt.
Der Mischquirl 1 weist zwei parallel zur Drehachse A im
Abstand angeordnete Mischstäbe 2 und in der Mitte zwischen
diesen im gleichen Abstand zur Drehachse A jeweils
einen Hilfs-Mischstab 2a sowie eine Förderspirale 3 auf.
Am oberen Ende greift der Mischquirl 1 mit einem Flansch
4 in eine mit diesem korrespondierende Ausnehmung der Abtriebswelle
5 eines Elektromotors 6 ein. Am unteren Ende
sind die Mischstäbe 2 und die Hilfs-Mischstäbe 2a durch
einen einen Zentrierzapfen 7 (Fig. 2) aufweisenden Querstab
8 miteinander verbunden, der die Stabilität des
Mischquirls 1 sicherstellt und zugleich als Mitnahmeelement
für die Förderpumpe 9, eine Schneckenpumpe bekannter
Bauart, also als Antriebselement für diese wirkt. Der
Mischquirl 1 ist so angeordnet, daß sich die Förderspirale
3 im Bereich eines Fördertrichters 10 und die Mischstäbe
2 im Bereich ihrer parallelen Anordnung in einer
Mischzone 11 befinden, die sich an den verjüngten Ausgang
des Fördertrichters 10 anschließt und in die eine Rohrleitung
12 zur Einleitung von Wasser mündet. Die Hilfs-Mischstäbe
2a haben bei diese Anordnung zu dem in Drehrichtung
jeweils vor diesen angeordnetem Mischstab 2 einen
Winkelabstand von 90° und die gleiche Umlaufbahn wie
die Mischstäbe 2.In Fig. 1 is a mixing device with an inventive
Mixing whisk 1 shown for a cleaning machine.
The mixing whisk 1 has two parallel to the axis of rotation A im
Der in der Fig. 1 vornliegende Hilfs-Mischstab 2a ist im
wesentlichen nur im Bereich der Mischzone 11 ausgebildet,
während der im Bereich der Mischzone 11 verdeckte Hilfs-Mischstab
2a antriebsmotorseitig bis in den Fördertrichter
10 hineinragt.
Die Hilfs-Mischstäbe 2a sind an ihrem förderpumpenseitigen
Ende jeweils über eine Abwinklung 2b (Fig.2), die radial
zur Drehachse A gerichtet ist, an dem die Mischstäbe
2 verbindenden Querstab 8 befestigt und als Einheit ausgebildet.
An dem anderen, dem antriebsmotorseitigen Ende
sind sie jeweils über eine Abwinklung 2c mit einem Mischstab
2 fest verbunden. Auf diese Weise ist im Bereich der
Mischzone 11 ein Mischkäfig gebildet.The
The
Die Mischstäbe 2 sind durch die Förderspirale 3 hindurch
bis zur Abtriebswelle 5 geführt. Mit ihrem der Förderpumpe
9 zugewandten Ende ist die Förderspirale 3 an einem der
Mischstäbe 2 angeschweißt und im Abstand von dieser Befestigungsstelle
durch eine mit beiden Mischstäben 2 verbundene
Traverse 13 gestützt (Schweißverbindung), die zu etwa
einem Drittel ihrer Gesamtlänge L außerhalb der Mischstäbe
2 angeordnet ist (Fig. 2). Diese Traverse 13 ist in radialer
Richtung zur Anbindungsstelle an die Förderspirale 3
gegenüber der zur Drehachse A Senkrechten - oder der senkrecht
zur Drehachse verlaufenden Ebene - in einem Winkel a
von im wesentlichen 15° ansteigend angeordnet. Die Förderspirale
3 und die Traverse 13 weisen förderpumpenseitig
jeweils eine Druckfläche 14 bzw. 15 auf, die in Drehrichtung
(durch Pfeil angegeben) jeweils im Winkel β von im
wesentlichen 15° angestellt sind. Die Mischstäbe 2 weisen
drehachsenseitig ebenfalls eine Druckfläche 16 auf, die in
Drehrichtung nach außen in einem Winkel γ von im wesentlichen
15° ausgestellt ist (Fig. 3). Die Traverse 13 und die
Mischstäbe 2 sind in Drehrichtung vorn mit einer abgerundeten
Schneide S versehen, wie aus den Fig. 1, 2, und 3
ersichtlich ist. Durch den Anstellwinkel β der Förderspirale
und die damit verbundene Schrägstellung derselben
ergibt sich auch an dieser eine Schneide SF.The
Die Fig.2 und 3 verdeutlichen die Ausbildung und Anordnung
der Hilfs-Mischstäbe 2a. Diese sind in der Ebene, die
durch diese selbst und die Drehachse A definiert ist, wellenförmig
ausgebildet, wobei die Wellenberge des einen
Hilfs-Mischstabes 2a den Wellentälern des jeweils anderen
entgegengerichtet sind.2 and 3 illustrate the design and arrangement
the
Beim Betrieb der Mischeinrichtung werden durch die Rohrleitung
12 Wasser W und durch die Aussparung 17 in dem
Fördertrichter 10 pulverförmiges oder feinkörniges Mischgut
M kontinuierlich eingegeben. Das Mischgut M gelangt
dabei in den Bereich der rotierenden Förderspirale 3, die
dieses mit ihrer Druckfläche 14 erfaßt und zur Mitte und
nach unten, also in Richtung der Mischzone 11 drückt.
Auch die im Abstand vom Ausgang des Fördertrichters 10
angeordnete Traverse 13 wirkt in dieser Weise. Im Bereich
der Mischzone 11 wird das Mischgut M vom Wasser durchsetzt
bzw. mit diesem vermischt, wobei die nach außen
ausgestellten Mischstäbe 2 dazu beitragen, daß auch in
diesem Bereich der Mischeinrichtung das Mischgut M zur
Mitte zu gedrückt wird. Die Hilfs-Mischstäbe 2a erzeugen
durch ihre Anordnung und Ausbildung zusätzliche Strömungen
bei der Durchmischung des Mischgutes mit Wasser, so
daß diese intensiviert wird. Auf diese Weise wird der
Mischvorgang beschleunigt und Verklumpungen im Randbereich
des Fördertrichters 10 und der Mischzone 11 sowie
auch im Bereich der Traverse 13 werden weitgehend verhindert.When operating the mixing device through the
Claims (10)
- Twirling stick for a mixing device, having two mixing rods arranged substantially parallel to its rotational axis at a distance, and having a conveying spiral attached to said mixing rods, which twirling stick is connected to a drive motor at one end and to a feed pump at the other end, said conveying spiral being arranged in the region of a conveying funnel tapering towards the feed pump, and the mixing device having a mixing zone below the conveying funnel, into which mixing zone runs a pipe for introduction of water, at least one auxiliary mixing rod (2a) being arranged in the region of the rotation path of the mixing rods (2), between the same, which auxiliary rod (2a) has an angular distance of substantially 45° to 135° to the mixing rod (2), said mixing rod (2) being arranged ahead of the auxiliary mixing rod (2a) in the direction of rotation.
- Twirling stick according to Claim 1, characterized in that between the mixing rods (2) there is arranged at least one respective auxiliary mixing rod (2a).
- Twirling stick according to Claim 1 or 2, characterized in that the angular distance is substantially 90°.
- Twirling stick according to Claim 1, 2 or 3, characterized in that the respective auxiliary mixing rod (2a) is configured along the entire region of the mixing zone (11), and at the side of the drive motor extends into the region of the conveying spiral (3).
- Twirling stick according to Claim 1, 2 or 4, characterized in that the respective auxiliary mixing rod (2a) at the end thereof which faces the feed pump is arranged on a cross bar (8) via an angular part (2b) directed towards the rotational axis, said cross bar (8) connecting the mixing rods (2) at the end of the rods which faces towards the feed pump and having a centering pivot (7), and in that at the end thereof which faces towards the drive motor the respective auxiliary rod (2a) is attached via an angular part (2c) to a respective mixing rod (2) or a traverse connecting the mixing rods.
- Twirling stick according to any one of Claims 1, 2, 4 or 5, characterized in that the respective auxiliary mixing rod (2a) is of a straight configuration.
- Twirling stick according to any one of Claims 1, 2, 4 or 5, characterized in that the respective auxiliary mixing rod (2a) is of a wavy configuration in the plane defined by the same and the rotational axis (A).
- Twirling stick according to Claim 7, characterized in that in the case of a plurality of auxiliary mixing rods (2a) being arranged, the wave crests of one auxiliary mixing rod (2a) are opposite the wave troughs of a respective other auxiliary rod (2a).
- Twirling stick according to Claim 2, characterized in that one auxiliary mixing rod (2a) is of a wavy configuration in the plane defined by the same and the rotational axis (A), and that the auxiliary mixing rod (2a) positioned opposite thereof is of a straight configuration.
- Twirling stick according to Claims 2, 8 or 9, characterized in that the auxiliary mixing rods (2a) constitute an assembly unit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19755059A DE19755059C2 (en) | 1997-12-11 | 1997-12-11 | Mixing whisk for a mixing device |
| DE19755059 | 1997-12-11 | ||
| PCT/EP1998/007988 WO1999029407A1 (en) | 1997-12-11 | 1998-12-09 | Twirling stick for a mixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1056534A1 EP1056534A1 (en) | 2000-12-06 |
| EP1056534B1 true EP1056534B1 (en) | 2001-07-04 |
Family
ID=7851562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98963547A Expired - Lifetime EP1056534B1 (en) | 1997-12-11 | 1998-12-09 | Twirling stick for a mixing device |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1056534B1 (en) |
| AT (1) | ATE202725T1 (en) |
| DE (2) | DE19755059C2 (en) |
| HU (1) | HUP0100346A3 (en) |
| PL (1) | PL340801A1 (en) |
| SK (1) | SK8372000A3 (en) |
| WO (1) | WO1999029407A1 (en) |
| YU (1) | YU32500A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556142A (en) * | 2018-04-26 | 2018-09-21 | 李冰霜 | A kind of thermal insulation mortar processing unit (plant) for building |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29707281U1 (en) * | 1997-04-23 | 1997-06-12 | Pft Gmbh | Connecting rod for a mortar mixing pump |
| DE10105007C2 (en) * | 2001-02-03 | 2003-08-28 | Wolfgang Zenner | Mixing tool for a mixing device with planetary movement |
| DE10137489A1 (en) * | 2001-07-31 | 2003-02-13 | Martin Theodor Melchior | Mixer device for mixing powdered materials with water has mixer element mounted on bearing socket and having drive wheel forming gearing with mixer chamber wall to execute extra rotation about own axis and about output shaft axis |
| DE202004020257U1 (en) * | 2004-12-28 | 2006-02-09 | Knauf Pft Gmbh & Co.Kg | mixing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1940558U (en) * | 1965-05-12 | 1966-06-16 | Karl Dipl Ing Schlecht | MIXING AND PUMPING DEVICE. |
| DE7329132U (en) * | 1973-08-09 | 1975-05-07 | Schlecht K | Mixing pump device |
| US4175875A (en) * | 1976-10-29 | 1979-11-27 | Judd Van Horbek | Hand mixing apparatus |
| BG27604A1 (en) * | 1978-05-26 | 1979-12-12 | Velikov | Apparatus for dispersing of cement solutions |
| DE3013592C2 (en) * | 1980-04-09 | 1983-09-29 | P.F.T. Putz- und Fördertechnik GmbH, 8715 Iphofen | Device for mixing, conveying and spraying plaster mortar |
| US4366123A (en) * | 1981-09-21 | 1982-12-28 | Mitsui Petrochemical Industries Ltd. | Anchor agitator for gaseous phase polymerization vessel |
| DE3615992A1 (en) * | 1986-05-13 | 1987-11-19 | Melchior Martin | Device for mixing dry and liquid materials, in particular building materials and liquids |
-
1997
- 1997-12-11 DE DE19755059A patent/DE19755059C2/en not_active Expired - Fee Related
-
1998
- 1998-12-09 DE DE59800975T patent/DE59800975D1/en not_active Expired - Fee Related
- 1998-12-09 EP EP98963547A patent/EP1056534B1/en not_active Expired - Lifetime
- 1998-12-09 HU HU0100346A patent/HUP0100346A3/en unknown
- 1998-12-09 AT AT98963547T patent/ATE202725T1/en not_active IP Right Cessation
- 1998-12-09 SK SK837-2000A patent/SK8372000A3/en unknown
- 1998-12-09 PL PL98340801A patent/PL340801A1/en unknown
- 1998-12-09 YU YU32500A patent/YU32500A/en unknown
- 1998-12-09 WO PCT/EP1998/007988 patent/WO1999029407A1/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556142A (en) * | 2018-04-26 | 2018-09-21 | 李冰霜 | A kind of thermal insulation mortar processing unit (plant) for building |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59800975D1 (en) | 2001-08-09 |
| HUP0100346A2 (en) | 2001-06-28 |
| SK8372000A3 (en) | 2000-10-09 |
| ATE202725T1 (en) | 2001-07-15 |
| HUP0100346A3 (en) | 2002-01-28 |
| DE19755059C2 (en) | 1999-11-25 |
| YU32500A (en) | 2002-11-15 |
| PL340801A1 (en) | 2001-02-26 |
| EP1056534A1 (en) | 2000-12-06 |
| DE19755059A1 (en) | 1999-07-01 |
| WO1999029407A1 (en) | 1999-06-17 |
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