EP0726374A1 - Mixer-conveyor for a plastic material, in particular a plaster - Google Patents

Mixer-conveyor for a plastic material, in particular a plaster Download PDF

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Publication number
EP0726374A1
EP0726374A1 EP96101051A EP96101051A EP0726374A1 EP 0726374 A1 EP0726374 A1 EP 0726374A1 EP 96101051 A EP96101051 A EP 96101051A EP 96101051 A EP96101051 A EP 96101051A EP 0726374 A1 EP0726374 A1 EP 0726374A1
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EP
European Patent Office
Prior art keywords
vessel
mixing
conveying device
conveying
pump
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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Application number
EP96101051A
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German (de)
French (fr)
Inventor
Erhard Hermann Wiersbowsky
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Individual
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Individual
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Publication of EP0726374A1 publication Critical patent/EP0726374A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/06—Implements for applying plaster, insulating material, or the like
    • E04F21/08—Mechanical implements
    • 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
    • B28C5/1238—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 for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1253—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 for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with discharging devices
    • 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
    • B28C5/1238—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 for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1292—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 for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with rotating stirring and feeding or discharging means fixed on the same axis, e.g. in an inclined container fed at its lower part

Definitions

  • the invention relates to a mixing and conveying device for a plastic material, in particular a plaster, which asked a vessel for receiving the starting material, in which a rotatable mixer and an outlet opening for conveying the mixed material is provided by means of a conveying pump through a conveying hose, of which is injected from the plastic material onto a surface, preferably onto a wall or ceiling.
  • the vessel is formed box-shaped and there is a helical screw conveyor extending through it, which by appropriate rotation pushes the emptied starting material into this vessel into a conveyor pump held on the side of the vessel.
  • a screw pump is used as the feed pump, which has a screw-shaped mixing shaft and a cylinder enclosing it.
  • the vertically arranged mixing shaft mixes and pumps the plastic material through its rotation by means of a drive element through a subsequent hose to a spraying device or spray gun, which is provided with a manually operated opening valve.
  • This plastering machine which is suitable for conveying gypsum, cement, filler or insulating plaster as well as masonry mortar, liquid screed or other plastering materials, has the disadvantage that a separate drive motor is required for both the screw conveyor and the feed pump, and that the conveyor screw moving the goods in the vessel horizontally to the feed pump must be switched on in order to push this goods completely to the feed pump. Furthermore, the drive motor of the feed pump is equipped with only one speed, as a result of which the material emerges from the gun at a fixed speed and, in particular when the material is applied to a ceiling, it is not guaranteed that it will adhere perfectly, mainly because the mixed materials have different viscosities.
  • the object of the present invention is to develop a mixing and conveying device according to the type described at the outset in such a way that, with a simple and inexpensive design, it optimally mixes the starting materials, ideal material conveyance and, moreover, universal use of the various plastic materials in particular for spraying onto a ceiling.
  • the object is achieved in that the vessel is approximately funnel-shaped and the outlet opening and a feed pump adjoining it are arranged at its lower end whose drive shaft and a hollow shaft of the mixer surrounding it extend through the vessel and can be coupled independently of one another at the top with a drive element which is adjustable in speed.
  • This mixing and conveying device is extremely simple in construction and can be used to use it in materials of different viscosities from low viscosity, e.g. Spray adhesive bridges, up to massive, like plasters on exterior facades, not only on walls, but also on ceilings. This allows work to be carried out with one device; for which three machines were previously required. Aqueous materials, gypsum cement and structural plasters can be processed effortlessly.
  • the funnel-shaped design of the vessel and the arrangement of the feed pump at the outlet opening thereof allow an ideal outflow of the mixed material from the vessel, in which no residues remain in the vessel.
  • the single figure shows a mixing and conveying device according to the invention with a longitudinal section through the vessel and a side view of the associated drive element.
  • the vessel 12 essentially consists of a vessel 12, a support frame 14 holding the latter, a feed pump 20 with a spray hose 22 connected to it, a mixer 15 and a drive element 30.
  • the vessel 12 is open at the top and a grid, not shown, can be provided at this opening.
  • a starting material can be poured into it and a water supply line 17 leading into this vessel 12 is also provided for mixing the same, of which a metering device 13 of the amount of water to be filled is illustrated only briefly.
  • a support frame 14 supporting the vessel 12 is constructed in such a way that this device 10 can be moved as a whole, for this purpose on the underside of the support frame 14 two wheels 16 rotatably mounted on it and two levers 18 fastened above it are provided, an operator of the latter grasp by hand and the device 10 after a tilting movement around the wheels 16 can move as desired.
  • the standing position in which the device 10 stands on the support legs 19, the corresponding mixing and conveying work can be carried out with it.
  • the vessel 12 is approximately funnel-shaped and the outlet opening 11 and the feed pump 20 connected to it are arranged at its lower end.
  • the drive shaft 24 and a hollow shaft 25 of the mixer 15 surrounding it extend through the vessel 12 and can be coupled independently of one another at the top to the drive element 30 which is adjustable in speed.
  • the funnel-shaped design of the vessel 12 together with the outlet opening 11 arranged on its narrow underside and the subsequent feed pump 20 offer an ideal outflow of the material, which may have been mixed into the vessel 12, and consequently no residues remain in the vessel when it is emptied.
  • this device 10 according to the invention is characterized in that only one drive member 30 is required for mixing and conveying the sprayed material.
  • the feed pump output can be individually adjusted depending on the material to be processed. Especially when plastering is to be sprayed onto the ceiling, it is important that the mass exits at a metered rate so that it sticks securely to the ceiling.
  • the hollow shaft of the mixer 15 can be provided with a slow or fast rotation in order to achieve an appropriate mixing of the starting materials.
  • a screw pump known per se is used as the feed pump 20, which is therefore not explained in detail. It essentially comprises a helical mixing shaft and one of these enclosing cylinder. The material to be sprayed is driven approximately along the axis of rotation of the mixing shaft 20 'between the latter and the cylinder into the hose 22 which is flanged onto the end face of the latter. Connected to the inlet-side end of the mixing shaft are the outlet opening 11 of the vessel 12 and the drive shaft 24, which is coupled to it via a plug-in coupling 24 'and which extends through this vessel 12 approximately in the center thereof and is arranged vertically.
  • This drive shaft 24 is enclosed by the hollow shaft 25 provided on the circumference with mixing elements 15 ', the mixing elements 15' being designed spirally to the axis of rotation of the hollow shaft and therefore having a changing outer diameter adapted to the conical shape of the vessel.
  • These mixing elements 15 ' are preferably rotated in such a way that they circulate the plaster to be mixed against its conveying direction, imparting a buoyancy force, in order to bring about optimal mixing.
  • both the drive shaft 24 of the feed pump 20 and the hollow shaft 25 can each be coupled to an output pinion 31 of the drive element 30 via a coupling.
  • the drive shaft 24, permanently coupled to the drive pinion 31 at the top, is in rotary connection at the lower end via the plug-in coupling 24 'with the mixing shaft 20'.
  • the hollow shaft 25 supported on the mixing shaft 20 'of the feed pump 20 can be released from the output pinion 31 by releasing the plug coupling 29 at its upper end by lifting the clutch disc 28, the latter likewise permanently via a driving wedge or the like with the drive pinion 31 of the drive member 30 is in rotary connection. Both the clutch ring 27 and the clutch disc 28 are locked after lifting to release the plug-in couplings by a means not shown in detail, so that they do not inadvertently engage again.
  • the drive member 30 is composed of a gear 34 having the output pinion 31, a variator 33 which is adjustable in speed and an electric motor 32 connected to the latter.
  • This drive member 30 is advantageously supported on the vessel 12 and it extends horizontally outwards from the center of the vessel 12 to the side on which the wheels are arranged. This makes it easier for the device 10 to tip over the wheels 16.
  • a switch box 48 is arranged on the vessel 12, which can be connected to a power source via a plug connection in order to supply the drive element 30 with current.
  • the invention is sufficiently demonstrated with this embodiment.
  • other versions could also be explained, for example four wheels with a brake could be provided on the support frame.
  • the couplings for switching the drive shaft 24 and the hollow shaft 25 on and off could also be different.
  • the variator could be replaced by electronics that regulate the speed via the electric motor.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The mixer has a funnel shaped drum (12) for the materials to be mixed with a discharge outlet (11) at the bottom to which is connected a discharge pump (20). A hose is connected to the outlet for spraying the mixed material on to a wall of other surface. The pump drive shaft (24) and the paddle hollow shaft (25) which enclose it extend through the container and can be independently coupled to a variable speed drive mechanism (30). The discharge pump can be a worm pump with a spiral paddle (20') which has the same axis as the drive shaft.

Description

Die Erfindung betrifft ein Misch- und Fördergerät für ein plastisches Material, insbesondere einen Verputz, welches ein Gefäss zur Aufnahme des Ausgangsmaterials bat, in dem ein drehbarer Mischer und eine Auslassöffnung zur Förderung des gemischten Materials mittels einer Förderpumpe durch einen Förderschlauch vorgesehen ist, von welchem aus das plastische Material an eine Fläche, vorzugsweise an eine Wand oder Decke gespritzt wird.The invention relates to a mixing and conveying device for a plastic material, in particular a plaster, which asked a vessel for receiving the starting material, in which a rotatable mixer and an outlet opening for conveying the mixed material is provided by means of a conveying pump through a conveying hose, of which is injected from the plastic material onto a surface, preferably onto a wall or ceiling.

Bei einem bekannten Misch- und Fördergerät - einer sogenannten Verputzmaschine - nach der eingangs beschriebenden Gattung ist das Gefäss kastenförmig ausgebildet und es ist in ihm quer durch diesen erstreckend eine wendelförmige Förderschnecke angeordnet, welche durch entsprechendes Drehen das in dieses Gefäss geleerte Ausgangsmaterial in eine seitlich am Gefäss gehaltene Förderpumpe schiebt. Als Förderpumpe wird dabei eine Schneckenpumpe verwendet, welche eine schraubenförmige Mischwelle und einen diese umschliessenden Zylinder aufweist. Die vertikal angeordnete Mischwelle mixt und pumpt durch deren Drehung mittels eines Antriebsorganes das plastische Material durch einen nachfolgenden Schlauch zu einem Spritzgerät oder einer Spritzpistole, welche mit einem von Hand bedienbaren Öffnungsventil versehen ist.In a known mixing and conveying device - a so-called plastering machine - according to the type described above, the vessel is formed box-shaped and there is a helical screw conveyor extending through it, which by appropriate rotation pushes the emptied starting material into this vessel into a conveyor pump held on the side of the vessel. A screw pump is used as the feed pump, which has a screw-shaped mixing shaft and a cylinder enclosing it. The vertically arranged mixing shaft mixes and pumps the plastic material through its rotation by means of a drive element through a subsequent hose to a spraying device or spray gun, which is provided with a manually operated opening valve.

Bei dieser Verputzmaschine, die sich zum Fördern von Gips-, Zement-, Spachtel- oder Dämmputz wie auch von Mauermörtel, Fliessestrich oder anderen Verputzmaterialien eignet, ist nachteilig, dass sowohl für die Förderschnecke als auch für die Förderpumpe ein separater Antriebsmotor benötigt wird und dass die das im Gefäss befindliche Gut horizontal zu der Förderpumpe verschiebende Förderschnecke zwingend eingeschaltet werden muss, um dieses Gut restlos zur Förderpumpe zu schieben. Ferner ist der Antriebsmotor der Förderpumpe mit nur einer Drehzahl ausgestattet, demzufolge das Material mit einer fixen Geschwindigkeit aus der Pistole austritt und insbesondere beim Materialauftrag an eine Decke ein einwandfreies Haften desselben nicht gewährleistet ist, hauptsächlich weil die aufzuspritzenden Materialien im gemischten Zustand unterschiedliche Viskositäten aufweisen.This plastering machine, which is suitable for conveying gypsum, cement, filler or insulating plaster as well as masonry mortar, liquid screed or other plastering materials, has the disadvantage that a separate drive motor is required for both the screw conveyor and the feed pump, and that the conveyor screw moving the goods in the vessel horizontally to the feed pump must be switched on in order to push this goods completely to the feed pump. Furthermore, the drive motor of the feed pump is equipped with only one speed, as a result of which the material emerges from the gun at a fixed speed and, in particular when the material is applied to a ceiling, it is not guaranteed that it will adhere perfectly, mainly because the mixed materials have different viscosities.

Aufgabe der vorliegenden Erfindung besteht demgegenüber darin, ein Misch- und Fördergerät nach der eingangs beschriebenen Gattung derart weiterzubilden, dass es bei einfacher und kostengünstiger Bauweise eine optimale Vermischung der Ausgangsmaterialien, eine ideale Materialförderung und überdies einen universellen Gebrauch von den verschiedenartigen plastischen Materialien im speziellen auch zum Aufspritzen an eine Decke ermöglicht.In contrast, the object of the present invention is to develop a mixing and conveying device according to the type described at the outset in such a way that, with a simple and inexpensive design, it optimally mixes the starting materials, ideal material conveyance and, moreover, universal use of the various plastic materials in particular for spraying onto a ceiling.

Erfindungsgemäss ist die Aufgabe dadurch gelöst, dass das Gefäss annähernd trichterförmig ausgebildet und an dessen unteren Ende die Auslassöffnung sowie eine an diese anschliessende Förderpumpe angeordnet ist, deren Antriebswelle sowie eine diese umgebende Hohlwelle des Mischers sich durch das Gefäss hindurch erstrecken und oben mit einem in der Drehzahl verstellbaren Antriebsorgan unabhängig voneinander koppelbar sind.According to the invention, the object is achieved in that the vessel is approximately funnel-shaped and the outlet opening and a feed pump adjoining it are arranged at its lower end whose drive shaft and a hollow shaft of the mixer surrounding it extend through the vessel and can be coupled independently of one another at the top with a drive element which is adjustable in speed.

Dieses erfindungsgemässe Misch- und Fördergerät ist äusserst einfach aufgebaut und es lassen sich mit ihm Materialien in unterschiedlichen Viskositäten von dünnflüssigen, z.B. Haftbrücken, bis zu massigen, wie Verputze an Aussenfassaden, nicht nur an Wände, sondern genauso an Decken aufspritzen. Dadurch lassen sich mit einen, Gerät Arbeiten ausführen; für welche bisher drei Maschinen erforderlich waren. Wässerige Materialien, Gipszement- sowie Strukturputze können mühelos verarbeitet werden. Die trichterförmige Ausbildung des Gefässes und die Anordnung der Förderpumpe an der Auslassöffnung desselben erlauben einen idealen Abfluss des gemischten Materials aus dem Gefäss, bei dem keine Restbestände im Gefäss verbleiben.This mixing and conveying device according to the invention is extremely simple in construction and can be used to use it in materials of different viscosities from low viscosity, e.g. Spray adhesive bridges, up to massive, like plasters on exterior facades, not only on walls, but also on ceilings. This allows work to be carried out with one device; for which three machines were previously required. Aqueous materials, gypsum cement and structural plasters can be processed effortlessly. The funnel-shaped design of the vessel and the arrangement of the feed pump at the outlet opening thereof allow an ideal outflow of the mixed material from the vessel, in which no residues remain in the vessel.

Ein Ausführungsbeispiel der Erfindung sowie weitere Vorteile derselben sind nachfolgend anhand der Zeichnung näher erläutert.An embodiment of the invention and further advantages thereof are explained in more detail below with reference to the drawing.

Die einzige Figur zeigt ein erfindungsgemässes Misch- und Fördergerät mit einem Längsschnitt durch das Gefäss sowie eine Seitenansicht des zugehörenden Antriebsorganes.The single figure shows a mixing and conveying device according to the invention with a longitudinal section through the vessel and a side view of the associated drive element.

Das Misch- und Fördergerät 10 gemäss Fig. 1 besteht im wesentlichen aus einem Gefäss 12, einem letzteren haltenden Traggestell 14, einer Förderpumpe 20 mit einem an ihr angeschlossenen Spritzschlauch 22, einem Mischer 15 sowie aus einem Antriebsorgan 30. Das Gefäss 12 ist oben offen und es kann aber ein nicht näher dargestelltes Gitter an dieser Öffnung vorgesehen sein. Es lässt sich in dieses ein Ausgangsmaterial einfüllen und zum Vermischen desselben ist überdies eine in dieses Gefäss 12 führende Wasserzufuhrleitung 17 vorgesehen, von der nur gerade andeutungsweise eine Dosiereinrichtung 13 der einzufüllenden Wassermenge veranschaulicht ist.1 essentially consists of a vessel 12, a support frame 14 holding the latter, a feed pump 20 with a spray hose 22 connected to it, a mixer 15 and a drive element 30. The vessel 12 is open at the top and a grid, not shown, can be provided at this opening. A starting material can be poured into it and a water supply line 17 leading into this vessel 12 is also provided for mixing the same, of which a metering device 13 of the amount of water to be filled is illustrated only briefly.

Ein das Gefäss 12 abstützendes Traggestell 14 ist so konstruiert, dass dieses Gerät 10 insgesamt verfahrbar ist, zu diesem Zwecke auf der Unterseite des Traggestells 14 zwei an ihm drehbar gelagerte Räder 16 und zwei darüber am Gefäss befestigte Hebel 18 vorgesehen sind, wobei eine Bedienungsperson letztere von Hand fassen und das Gerät 10 nach einer Abkippbewegung um die Räder 16 wunschgemäss fortbewegen kann. In der Standposition, bei der das Gerät 10 auf den Stützbeinen 19 steht, lassen sich mit ihm die entsprechenden Misch- und Förderarbeiten ausführen.A support frame 14 supporting the vessel 12 is constructed in such a way that this device 10 can be moved as a whole, for this purpose on the underside of the support frame 14 two wheels 16 rotatably mounted on it and two levers 18 fastened above it are provided, an operator of the latter grasp by hand and the device 10 after a tilting movement around the wheels 16 can move as desired. In the standing position, in which the device 10 stands on the support legs 19, the corresponding mixing and conveying work can be carried out with it.

Erfindungsgemäss ist das Gefäss 12 annähernd trichterförmig ausgebildet und an dessen unteren Ende ist die Auslassöffnung 11 sowie die an diese anschliessende Förderpumpe 20 angeordnet. Die Antriebswelle 24 sowie eine diese umgebende Hohlwelle 25 des Mischers 15 erstrecken sich durch das Gefäss 12 hindurch und sind unabhängig voneinander oben mit dem in der Drehzahl verstellbaren Antriebsorgan 30 koppelbar.According to the invention, the vessel 12 is approximately funnel-shaped and the outlet opening 11 and the feed pump 20 connected to it are arranged at its lower end. The drive shaft 24 and a hollow shaft 25 of the mixer 15 surrounding it extend through the vessel 12 and can be coupled independently of one another at the top to the drive element 30 which is adjustable in speed.

Damit lässt sich praktisch ein beliebiges, an eine Gebäudefläche aufzutragendes Material aufspritzen, sei es ein Gips-, Zement-, Spachtel- oder Dämmputz oder ein Mauermörtel, Fliessestrich oder ein anderes gebräuchliches Verputzmaterial. Die trichterförmige Ausbildung des Gefässes 12 zusammen mit der an seiner schmalen Unterseite angeordneten Auslassöffnung 11 und die nachfolgende Förderpumpe 20 bieten einen idealen Abfluss des ins Gefäss 12 eingefüllten und ggf. gemischten Materials und es bleiben infolgedessen auch keine Rückstände beim Leeren desselben im Gefäss. Im weiteren zeichnet sich dieses erfindungsgemässe Gerät 10 dadurch aus, als nur ein Antriebsorgan 30 für das Mischen und das Fördern des Spritzgutes erforderlich ist.This means that practically any material to be applied to a building surface can be sprayed on, be it gypsum, cement, filler or insulating plaster or masonry mortar, liquid screed or any other common plastering material. The funnel-shaped design of the vessel 12 together with the outlet opening 11 arranged on its narrow underside and the subsequent feed pump 20 offer an ideal outflow of the material, which may have been mixed into the vessel 12, and consequently no residues remain in the vessel when it is emptied. Furthermore, this device 10 according to the invention is characterized in that only one drive member 30 is required for mixing and conveying the sprayed material.

Durch die in der Drehzahl verstellbare Anordnung des Antriebsorganes 30 kann die Förderpumpenleistung je nach dem zu verarbeitenden Material individuell angepasst werden. Insbesondere wenn ein Verputz an die Decke gespritzt werden soll, ist es bedeutsam, dass die Masse mit einer dosierten Geschwindigkeit austritt, damit diese an der Decke sicher haften bleibt. Genauso kann die Hohlwelle des Mischers 15 mit einer langsamen oder schnellen Drehung versehen werden, um eine angepasste Vermischung der Ausgangsmaterialien zu erreichen.Due to the speed-adjustable arrangement of the drive member 30, the feed pump output can be individually adjusted depending on the material to be processed. Especially when plastering is to be sprayed onto the ceiling, it is important that the mass exits at a metered rate so that it sticks securely to the ceiling. In the same way, the hollow shaft of the mixer 15 can be provided with a slow or fast rotation in order to achieve an appropriate mixing of the starting materials.

Als Förderpumpe 20 wird dabei eine an sich bekannte Schneckenpumpe verwendet, welche daher nicht im Detail erläutert ist. Im wesentlichen umfasst sie eine schraubenförmige Mischwelle und einen diese umschliessenden Zylinder. Das Spritzgut wird dabei annähernd entlang der Drehachse der Mischwelle 20' zwischen dieser und dem Zylinder in den stirnseitig an diese angeflanschten Schlauch 22 vorwärtsgetrieben. An der einlasseitigen Stirnseite der Mischwelle schliesst die Auslassöffnung 11 des Gefässes 12 sowie die mit ihr über eine Steckkupplung 24' gekoppelte, gleichachsig angeordnete Antriebswelle 24 an, welche sich durch dieses Gefässes 12 annähernd im Zentrum desselben hindurch erstreckt und dabei vertikal angeordnet ist.A screw pump known per se is used as the feed pump 20, which is therefore not explained in detail. It essentially comprises a helical mixing shaft and one of these enclosing cylinder. The material to be sprayed is driven approximately along the axis of rotation of the mixing shaft 20 'between the latter and the cylinder into the hose 22 which is flanged onto the end face of the latter. Connected to the inlet-side end of the mixing shaft are the outlet opening 11 of the vessel 12 and the drive shaft 24, which is coupled to it via a plug-in coupling 24 'and which extends through this vessel 12 approximately in the center thereof and is arranged vertically.

Diese Antriebswelle 24 ist von der am Umfang mit Mischelementen 15' versehenen Hohlwelle 25 umschlossen, wobei die Mischelemente 15' zur Drehachse der Hohlwelle spiralförmig ausgebildet sind und daher einen sich verändernden, der konischen Gefässform angepassten Aussendurchmesser aufweisen. Diese Mischelemente 15' werden vorzugsweise derart gedreht, dass diese den zu mischenden Verputz entgegen seiner Förderrichtung, eine Auftriebskraft verleihend, umwälzen, um so eine optimale Vermischung herbeizuführen.This drive shaft 24 is enclosed by the hollow shaft 25 provided on the circumference with mixing elements 15 ', the mixing elements 15' being designed spirally to the axis of rotation of the hollow shaft and therefore having a changing outer diameter adapted to the conical shape of the vessel. These mixing elements 15 'are preferably rotated in such a way that they circulate the plaster to be mixed against its conveying direction, imparting a buoyancy force, in order to bring about optimal mixing.

Am oberen Ende des Gefässes 12 sind sowohl die Antriebswelle 24 der Förderpumpe 20 als auch die Hohlwelle 25 über je eine Kupplung mit einem Abtriebsritzel 31 des Antriebsorganes 30 koppelbar. Die oben mit dem Antriebsritzel 31 permanent gekoppelte Antriebswelle 24 steht am unteren Ende über die Steckkupplung 24' mit der Mischwelle 20' in Drehverbindung. Durch ein Hochschieben dieser Antriebswelle 24 mittels eines Kupplungsringes 27 löst sich die genannte Steckkupplung 24' und damit die Verbindung der beiden Wellen 24 und 20'. Die auf der Mischwelle 20' der Förderpumpe 20 abgestützte Hohlwelle 25 kann vom Abtriebsritzel 31 gelöst werden, indem an ihrem oberen Ende die Steckkupplung 29 durch Hocbheben der Kupplungsscheibe 28 gelöst wird, wobei letztere ebenfalls permanent über einen Mitnehmerkeil oder dergleichen mit dem Antriebsritzel 31 des Antriebsorganes 30 in Drehverbindung steht. Sowohl der Kupplungsring 27 wie auch die Kupplungsscheibe 28 werden nach dem Hochheben zur Freigabe der Steckkupplungen über ein nicht näher gezeigtes Mittel arretiert, so dass diese nicht wieder unbeabsichtigt einrasten.At the upper end of the vessel 12, both the drive shaft 24 of the feed pump 20 and the hollow shaft 25 can each be coupled to an output pinion 31 of the drive element 30 via a coupling. The drive shaft 24, permanently coupled to the drive pinion 31 at the top, is in rotary connection at the lower end via the plug-in coupling 24 'with the mixing shaft 20'. By pushing this drive shaft 24 by means of a coupling ring 27, said plug-in coupling 24 'and thus the connection of the two shafts 24 and 20' is released. The hollow shaft 25 supported on the mixing shaft 20 'of the feed pump 20 can be released from the output pinion 31 by releasing the plug coupling 29 at its upper end by lifting the clutch disc 28, the latter likewise permanently via a driving wedge or the like with the drive pinion 31 of the drive member 30 is in rotary connection. Both the clutch ring 27 and the clutch disc 28 are locked after lifting to release the plug-in couplings by a means not shown in detail, so that they do not inadvertently engage again.

Das Antriebsorgan 30 setzt sich aus einem das Abtriebsritzel 31 aufweisenden Getriebe 34, einem die Drehzahl verstellbaren Variator 33 und aus einem mit letzterem verbundenen Elektromotor 32 zusammen. Dieses Antriebsorgan 30 ist vorteilhaft auf dem Gefäss 12 abgestützt und es erstreckt sich vom Zentrum des Gefässes 12 horizontal nach aussen auf die Seite, auf der die Räder angeordnet sind. Dadurch lässt sich das Gerät 10 leichter um die Räder 16 abkippen.The drive member 30 is composed of a gear 34 having the output pinion 31, a variator 33 which is adjustable in speed and an electric motor 32 connected to the latter. This drive member 30 is advantageously supported on the vessel 12 and it extends horizontally outwards from the center of the vessel 12 to the side on which the wheels are arranged. This makes it easier for the device 10 to tip over the wheels 16.

Ferner ist am Gefäss 12 ein Schaltkasten 48 angeordnet, welcher über eine Steckverbindung an eine Stromquelle anschliessbar ist, um damit das Antriebsorgan 30 mit Strom zu versorgen.Furthermore, a switch box 48 is arranged on the vessel 12, which can be connected to a power source via a plug connection in order to supply the drive element 30 with current.

Die Erfindung ist mit diesem Ausführungsbeispiel ausreichend dargetan. Selbstverständlich könnten noch andere Ausführungen erläutert werden, so könnten bspw. am Traggestell vier Räder mit einer Bremse vorgesehen sein. Auch die Kupplungen zum Ein- und Ausschalten der Antriebswelle 24 bzw. der Hohlwelle 25 könnten prinzipiell anders aussehen. Der Variator könnte beispielsweise durch eine Elektronik ersetzt werden, die die Drehzahl über den Elektromotor regelt.The invention is sufficiently demonstrated with this embodiment. Of course, other versions could also be explained, for example four wheels with a brake could be provided on the support frame. In principle, the couplings for switching the drive shaft 24 and the hollow shaft 25 on and off could also be different. For example, the variator could be replaced by electronics that regulate the speed via the electric motor.

Claims (8)

Misch- und Fördergerät für ein plastisches Material, insbesondere einen Verputz, mit einem Gefäss zur Aufnahme des Ausgangsmaterials, in dem ein drehbarer Mischer und eine Auslassöffnung zur Förderung des gemischten Materials mittels einer Förderpumpe durch einen Förderschlauch vorgesehen ist, von welchem aus das plastische Material an eine Fläche, vorzugsweise an eine Wand oder Decke gespritzt wird, dadurch gekennzeichnet, dass
das Gefäss (12) annähernd trichterförmig ausgebildet und an dessen unteren Ende die Auslassöffnung (11) sowie eine an diese anschliessende Förderpumpe (20) angeordnet ist, deren Antriebswelle (24) sowie eine diese umgebende Hohlwelle (25) des Mischers (15) sich durch das Gefäss (12) hindurch erstrecken und oben mit einem in der Drehzahl verstellbaren Antriebsorgan (30) unabhängig voneinander koppelbar sind.Mixing and conveying device for a plastic material, in particular a plaster, with a vessel for receiving the starting material, in which a rotatable mixer and an outlet opening for conveying the mixed material by means of a conveying pump is provided through a conveying hose, from which the plastic material a surface, preferably sprayed onto a wall or ceiling, characterized in that
the vessel (12) is approximately funnel-shaped and at its lower end the outlet opening (11) and a feed pump (20) adjoining it are arranged, the drive shaft (24) of which and a hollow shaft (25) of the mixer (15) surrounding the latter pass through extend the vessel (12) and can be coupled independently of one another at the top with a drive element (30) which is adjustable in speed. Misch- und Fördergerät nach Anspruch 1, dadurch gekennzeichnet, dass die Förderpumpe (20) als Schneckenpumpe ausgebildet ist, deren wendelförmig ausgebildete Mischwelle (20') gleichachsig zur Antriebswelle (24) ausgebildet ist.Mixing and conveying device according to claim 1, characterized in that the conveying pump (20) is designed as a screw pump, the helically shaped mixing shaft (20 ') of which is coaxial with the drive shaft (24). Misch- und Fördergerät nach Anspruch 2, dadurch gekennzeichnet, dass die Förderpumpe (20) an die Auslassöffnung (11) des trichterförmigen Gefässes (12) einlasseitig anschliesst und auslasseitig dieser Förderpumpe (20) ein Spritzschlauch (22) angeschlossen ist.Mixing and conveying device according to claim 2, characterized in that the feed pump (20) connects to the outlet opening (11) of the funnel-shaped vessel (12) on the inlet side and a spray hose (22) is connected on the outlet side of this feed pump (20). Misch- und Fördergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sowohl die Antriebswelle (24) der Förderpumpe (20) als auch die Hohlwelle (25) des Mischers (15) über je eine Kupplung zum Abtriebsritzel (31) des Antriebsorganes (30) unabhängig voneinander ein- oder ausschaltbar sind.Mixing and conveying device according to one of the preceding claims, characterized in that both the drive shaft (24) of the feed pump (20) and the hollow shaft (25) of the mixer (15) each have a coupling to the output pinion (31) of the drive member (30 ) can be switched on or off independently of each other. Misch- und Fördergerät nach Anspruch 4, dadurch gekennzeichnet, dass die Kupplungen als Steckkupplungen (24',29) ausgebildet sind und zu deren Betätigung am oberen Ende des Gefässes (12) ein Kupplungsring (27) bzw. eine Kupplungsscheibe (29) vorgesehen ist, welche durch Verschiebung in axialer Richtung ein Ein- oder Ausschalten der Steckkupplungen (24',29) bewirken.Mixing and conveying device according to claim 4, characterized in that the couplings are designed as plug-in couplings (24 ', 29) and for their actuation a coupling ring (27) or a coupling disc (29) is provided at the upper end of the vessel (12) which cause the plug-in couplings (24 ', 29) to be switched on or off by displacement in the axial direction. Misch- und Fördergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine in das Gefäss führende Wasser-Zufuhrleitung (17) mit einer die einzufüllende Wassermenge regelnden Dosiereinrichtung (13) vorgesehen ist.Mixing and conveying device according to one of the preceding claims, characterized in that a water supply line (17) leading into the vessel is provided with a metering device (13) which regulates the amount of water to be filled. Misch- und Fördergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Antriebsorgan (30) ein das Abtriebsritzel (31) aufweisendes Getriebe (34), einen die Drehzahl verstellbaren Variator (33) sowie einen mit letzterem verbundenen Elektromotor (32) hat.Mixing and conveying device according to one of the preceding claims, characterized in that the drive member (30) has a gear (34) having the output pinion (31), a variator (33) which is adjustable in speed and an electric motor (32) connected to the latter. Misch- und Fördergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Antriebsorgan (30) sich oberhalb des Gefässes (12) ausgehend vom Zentrum von letzterem horitontal nach aussen auf die Seite erstreckt, auf der unten an dem am Gefäss (12) stützenden Traggestell (14) zwei Räder (16) angebracht sind, welche das Gerät (10) durch Abkippen des Gefässes um diese Räder fahrbar machen.Mixing and conveying device according to one of the preceding claims, characterized in that the drive member (30) extends horizontally above the vessel (12) starting from the center of the latter to the outside on the side which supports the vessel (12) Support frame (14) two wheels (16) are attached, which make the device (10) mobile by tilting the vessel around these wheels.
EP96101051A 1995-02-07 1996-01-25 Mixer-conveyor for a plastic material, in particular a plaster Withdrawn EP0726374A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00343/95A CH689776A5 (en) 1995-02-07 1995-02-07 Mixing and Foerdergeraet for a plastic material, in particular a plaster.
CH343/95 1995-02-07

Publications (1)

Publication Number Publication Date
EP0726374A1 true EP0726374A1 (en) 1996-08-14

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EP96101051A Withdrawn EP0726374A1 (en) 1995-02-07 1996-01-25 Mixer-conveyor for a plastic material, in particular a plaster

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EP (1) EP0726374A1 (en)
CH (1) CH689776A5 (en)
CZ (1) CZ18996A3 (en)
HU (1) HU217499B (en)
PL (1) PL312643A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999002249A1 (en) * 1997-07-09 1999-01-21 Martin Theodor Melchior Mixing whisk for a mixer device
CN100491671C (en) * 2007-09-30 2009-05-27 赵呈为 Wall rendering robot
CN102220804A (en) * 2011-04-13 2011-10-19 天津恒实通工程技术发展有限公司 Construction device for mixing and spraying coatings synchronously
CN102561665A (en) * 2011-12-16 2012-07-11 张兴波 Airless linear spraying device for cement mortar
CN105298091A (en) * 2015-10-29 2016-02-03 刘军 Controllable mortar spraying and troweling machine
DE102015013737A1 (en) * 2015-10-26 2017-04-27 Rüdiger Geißler Controllable plastering machine
CN108118871A (en) * 2018-01-15 2018-06-05 王芳 A kind of cement paving device of architectural engineering
CN108177247A (en) * 2017-12-28 2018-06-19 马鞍山市鑫叶节能科技有限公司 A kind of dried material stirring conveying device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107009518B (en) * 2017-05-27 2019-07-16 商丘工学院 The slurrying stirring system of pneumatic mortar machine in a kind of civil engineering
CN107724652B (en) * 2017-10-10 2024-04-26 火星盛世机械制造股份有限公司 Building robot mends thick liquid and strickles off device
CN109395916A (en) * 2018-10-23 2019-03-01 芜湖市元奎新材料科技有限公司 A kind of fireproofing spray device

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US3140801A (en) * 1961-07-21 1964-07-14 Raymond A Delligatti Automatic plastering machine
FR2048328A5 (en) * 1969-12-29 1971-03-19 Inst Str
DE2218418A1 (en) * 1972-04-17 1973-10-31 Wilhelm Fleissner MIXING AND SPRAYING DEVICE FOR PLASTIC AND GRAINY GOODS
DE4113331A1 (en) * 1991-04-24 1992-10-29 Hans Winkler Combined concrete mixer and pump - has screw conveyor to drive ingredients through mixing chambers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE958249C (en) * 1951-11-01 1957-02-14 Schuldt & Hiekel Lackfab Method and device for applying a coating made of insulating material
US3140801A (en) * 1961-07-21 1964-07-14 Raymond A Delligatti Automatic plastering machine
FR2048328A5 (en) * 1969-12-29 1971-03-19 Inst Str
DE2218418A1 (en) * 1972-04-17 1973-10-31 Wilhelm Fleissner MIXING AND SPRAYING DEVICE FOR PLASTIC AND GRAINY GOODS
DE4113331A1 (en) * 1991-04-24 1992-10-29 Hans Winkler Combined concrete mixer and pump - has screw conveyor to drive ingredients through mixing chambers

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999002249A1 (en) * 1997-07-09 1999-01-21 Martin Theodor Melchior Mixing whisk for a mixer device
CN100491671C (en) * 2007-09-30 2009-05-27 赵呈为 Wall rendering robot
CN102220804A (en) * 2011-04-13 2011-10-19 天津恒实通工程技术发展有限公司 Construction device for mixing and spraying coatings synchronously
CN102561665A (en) * 2011-12-16 2012-07-11 张兴波 Airless linear spraying device for cement mortar
CN102561665B (en) * 2011-12-16 2015-03-18 张兴波 Airless linear spraying device for cement mortar
DE102015013737A1 (en) * 2015-10-26 2017-04-27 Rüdiger Geißler Controllable plastering machine
CN105298091A (en) * 2015-10-29 2016-02-03 刘军 Controllable mortar spraying and troweling machine
CN108177247A (en) * 2017-12-28 2018-06-19 马鞍山市鑫叶节能科技有限公司 A kind of dried material stirring conveying device
CN108118871A (en) * 2018-01-15 2018-06-05 王芳 A kind of cement paving device of architectural engineering

Also Published As

Publication number Publication date
HU217499B (en) 2000-02-28
PL312643A1 (en) 1996-08-19
HU9600153D0 (en) 1996-03-28
CH689776A5 (en) 1999-10-29
CZ18996A3 (en) 1996-08-14
HUP9600153A1 (en) 1997-02-28

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