EP0561291B1 - Dispositif pour la fabrication d'un mortier pour enduit prêt à être utilisé - Google Patents

Dispositif pour la fabrication d'un mortier pour enduit prêt à être utilisé Download PDF

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Publication number
EP0561291B1
EP0561291B1 EP93104015A EP93104015A EP0561291B1 EP 0561291 B1 EP0561291 B1 EP 0561291B1 EP 93104015 A EP93104015 A EP 93104015A EP 93104015 A EP93104015 A EP 93104015A EP 0561291 B1 EP0561291 B1 EP 0561291B1
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EP
European Patent Office
Prior art keywords
mixing
pump
shaft
mixing device
disposed
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
Application number
EP93104015A
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German (de)
English (en)
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EP0561291A1 (fr
Inventor
Friedrich Vogler
Georg Badum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silo-Estrich & Co Vertriebs KG GmbH
Original Assignee
Silo-Estrich & Co Vertriebs KG GmbH
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Application filed by Silo-Estrich & Co Vertriebs KG GmbH filed Critical Silo-Estrich & Co Vertriebs KG GmbH
Publication of EP0561291A1 publication Critical patent/EP0561291A1/fr
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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
    • B28C5/1238—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
    • B28C5/1276—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 consecutive separate containers with rotating stirring and feeding or discharging means
    • B28C5/1284—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 consecutive separate containers with rotating stirring and feeding or discharging means having a feeding hopper and consecutive vertical or inclined mixing container fed at its upper part

Definitions

  • the invention relates to a device for producing ready-to-use screed comprising devices for the metered removal of the components from a storage container and for introducing the metered components into a mixing device and a pump arranged downstream of this mixing device for building up the delivery pressure for the finished liquid screed.
  • a generic device is known from DE-GM 88 14 888, the known arrangement, however, essentially comprising a conventional mixer, which is filled with at least two components, in particular sand and anhydrite, from a silo-like storage container by means of a special metering device can, whereby after the mixing process and after the addition of water, the screed thus produced is brought into the processing area via a pump and a hose line.
  • a device for mixing and conveying mortar is known from DE-A-91 05 027, a powdery solid component, such as dry mortar, being taken from a vertical silo and fed via a screw conveyor to a mixing area in which water is metered in on both sides of a baffle plate. the mixture thus created is fed to a pump.
  • the shafts of the mixing device and pump are horizontal, coaxial, aligned with one another.
  • DE-A-3 025 454 discloses a device with the features of the characterizing part of claim 1, a transfer to known storage containers is not possible.
  • the object of the invention is to further develop a device of the type mentioned at the outset in such a way that it is optimally adapted to the removal of components from a storage container and their subsequent processing, all of the maintenance-intensive components being supposed to be compactly combined in the device, so that the storage container itself is free of maintenance-intensive components.
  • the mixing device comprises a vertical shaft on which the mixing tools are arranged, the mixing chamber of the mixing device at least one has a horizontal partition with at least one passage opening, the pump being designed as a screw pump or eccentric screw pump or the like and being arranged directly below the mixing device, and the shaft of the pump being an extension of the shaft of the mixing device.
  • This vertical connection of the mixing device and the pump ensures that the mixed components are transported directly into the pump.
  • the horizontal dividing wall of the mixing chamber ensures that the added components do not get into the pump sooner than complete thorough mixing and, accordingly, moisture penetration is achieved, so that wear in the pump due to partial dry components or mixtures is avoided.
  • the pump is mounted so that it can be folded away for transport, so that it is then arranged horizontally parallel to the floor.
  • the removal and metering devices have at least two inlet openings for arrangement below the outlet openings of a storage container with at least two partial containers, whereby below the inlet openings there are arranged screw conveyors which determine the metering with their conveying speed and / or incline, and which laterally in the upper Part of the mixing device open.
  • the dosing in the area of the screw conveyors takes place due to gravity. Due to the horizontal partition in the mixing chamber, the components introduced laterally into the mixing chamber cannot pass through the central passage opening without first being grasped by the mixing tools and mixed with the water metered into the mixing chamber.
  • At least some of the mixing tools of the mixing device can have mixing blades which are at least partially parallel to the wall extend the mixing chamber at a short distance from this. As a result, the added components are reliably detected and mixed in from the wall.
  • the mixing tools advantageously have a rectangular configuration in cross section.
  • a filling level sensor can be arranged in the mixing chamber of the mixing device, which switches off the dosing devices after reaching a certain filling level of the added components. This ensures that a metered batch can be mixed well and is transported away by the pump.
  • a time switch device can be provided, which switches the removal and metering device on again after a predetermined period of time after switching off by the fill level sensor. This period can be selected depending on the pumping power and the metering capacity of the metering devices.
  • a second fill level sensor below the first fill level sensor instead of the time switch device, the latter solution having the advantage that the metering device is never switched on again in the event of a blockage or malfunction of the pump.
  • a releasable coupling is advantageously provided between the shaft of the mixing device and the shaft of the pump.
  • the mixing device and the pump via a common drive device and via a common shaft, and on the other hand to ensure, when starting up, that a basic batch can be premixed in the mixing chamber in a manner suitable for processing before the pump is started up.
  • the coupling can be engaged and in this way normal, continuous operation can be started with the aid of the level sensor.
  • the coupling in question can be realized in such a way that it comprises a pin which passes through a shaft section or a tubular shaft section encompassing this shaft section while producing a rotary connection.
  • the drive shaft for the pump can engage in the tubular mixer shaft and can accordingly be coupled to it by inserting the pin.
  • a drive shaft which engages in the mixing chamber and can be coupled to the mixer shaft can be arranged on the top of the mixing device. Accordingly, a rotary drive of the mixing device and at the same time the pump can be ensured, the design of the mixing device and pump being independent of the type of rotary drive selected.
  • the rotary drive can advantageously take place via an electric motor or internal combustion engine or else hydraulically, the build-up of the hydraulic pressure in turn being able to take place via a diesel engine or - which would be more unfavorable - via an electric motor.
  • the feed and metering devices prefferably have a common housing and can be pivoted laterally away from the inlet openings into the mixing chamber of the mixing device with this housing.
  • the already easy cleaning option is further improved.
  • the construction according to the invention has the advantage that by filling the mixing device via the already provided water supply line, extensive cleaning can be achieved even after a short operation of the mixing device and pump.
  • lateral cleaning openings with a lid and seal can also be provided.
  • the mixing chamber is formed by two intersecting, cylindrical housing parts, a drive shaft for mixing tools running in each of these housing parts.
  • the screw pump is also designed so that it also has two such cylindrical housing sections, wherein in each such housing section a screw body is rotatably arranged on a shaft which is aligned with the mixer shaft lying above it.
  • a device shown in the drawing comprises a storage container 1, which, as can not be seen from the drawing, is divided vertically into a larger partial container for sand and a smaller partial container for anhydrite.
  • outlet openings 2 are provided, which open into corresponding inlet openings 3 of a feed and metering device 4, which is arranged on a chassis 5, which can be moved via wheels 6 or 7.
  • the feed and metering device 4 with its inlet openings 3a and 3b comprises two metering screws 6a, 6b, which are driven via shafts 7a, 7b via a drive 8.
  • the drive 8 can be carried out either by two individual, speed-adjustable motors or by a motor with a corresponding reduction gear.
  • the metering screws 6a, 6b open into the mixing chamber 9 of a mixing device 10, each screw 6a, 6b opening into a cylindrical partial space 11a, 11b of the mixing chamber 9, the partial spaces 11a, 11b intersecting one another.
  • a mixer shaft 12a, 12b is mounted in each subspace 11a, 11b.
  • the upper side of these mixer shafts 12a, 12b is equipped with couplings 13a, 13b, which can be brought into engagement with one drive shaft 14a, 14b each.
  • the drive shafts 14a, 14b are connected via a gear 16 arranged in a gear box 15 to a drive wheel 17 which is driven by an electric motor 18 and a drive wheel 19 by means of a belt or chain 20.
  • the mixing chamber 9 has a horizontal partition wall 21 with a passage opening 22, 22 mixing tools 23 being provided above the partition wall and 21 mixing tools 24 being provided below the partition wall.
  • the mixing tools 23 and 24 essentially have a rectangular configuration, wherein they comprise a vertical section 25 and 26, respectively, which runs parallel to the inner wall of the subspaces 11a, 11b of the mixing chamber 9.
  • the mixing tools 23 mesh into one another with multiple blades (cf. FIG. 3b).
  • Mixing tools 24 may be of fewer numbers, e.g. half (see Fig. 3c).
  • a screw pump 27 which can be swiveled up around a swivel bearing 28, as illustrated in FIG. 1, for transport.
  • the screw pump 27 is designed as a single-shaft pump.
  • a coupling 30 is formed which allows the pump 27 to pivot away.
  • a shaft 31 engages in this coupling 30 and runs in the interior of the shaft 12a or 12b of the mixing device 10 which is designed as a tubular shaft.
  • the shaft or tubular shaft can be connected to one another in a rotationally fixed manner via a transverse bore and a pin. Accordingly, it is possible to decouple the pump 27 for starting and to recouple it after mixing a first batch in the mixing device 10.
  • a filling level sensor 32 is also arranged in the mixing chamber 9 after a certain fill level has been reached, the feed and metering device 4 switches off, the feed and metering device 4 not being set again until the pump 27 has emptied the mixing chamber 9 by means of a downstream time switch (not shown in the drawing).
  • a water supply connection 33 which is only schematically indicated in the drawing, opens into the mixing chamber 9, via which the water to be added to the dry components is supplied.
  • a pressure connection 34 is indicated, through which the finished liquid screed emerges and can be fed to the processing area via a hose.
  • Fig. 1 is schematically indicated a diesel engine 35 which drives a hydraulic motor 36 fed from an oil reservoir 37.
  • the drive motors of the drive 8 for the shafts 7a and 7b are designed as hydraulic drives.
  • the diesel engine 35 drives the mixing device 10 instead of the electric motor 18 via a drive shaft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Harvester Elements (AREA)

Claims (16)

  1. Dispositif pour la fabrication d'un mortier pour enduit prêt à l'utilisation comprenant des agencements pour le prélèvement dosé de deux composants pulvérulents différents, comme par exemple l'anhydrite et le sable, à partir d'un réservoir de stockage et pour l'introduction des composants prélevés et dosés dans un rapport de mélange prédéterminé dans un système de mélange ainsi qu'une pompe située en aval de ce système de mélange destinée à produire la pression de refoulement pour le mortier pour enduit fini, caractérisé en ce que le système de mélange (10) comprend deux arbres verticaux (12a, 12b) sur lesquels sont montés les outils de mélange (23, 24), la chambre de mélange (9) du système de mélange (10) présentant au moins une paroi de séparation horizontale (21) avec au moins une ouverture de passage (22), la pompe (27) étant conçue sous forme de pompe à vis sans fin ou à vis excentrique ou analogue et qui est disposée directement au-dessous du système de mélange (10), et l'arbre (19) de la pompe (27) se situant à l'état de marche dans le prolongement d'un arbre (12a, 12b) du système de mélange (10).
  2. Dispositif selon la revendication 1, caractérisé en ce que la pompe (27) est logée de façon escamotable pour le transport.
  3. Dispositif selon la revendication 1, caractérisé en ce que les agencements de prélèvement et de dosage (4) présentent au moins deux ouvertures d'entrée (3) prévues pour la disposition au-dessous des ouvertures de sortie (2) d'un réservoir de stockage avec au moins deux réservoirs partiels, des transporteurs à vis sans fin étant disposés au-dessous des ouvertures d'entrée (3), transporteurs à vis sans fin qui, par leur nombre de tours de déplacement et/ou leur élévation, déterminent le dosage, et débouchent latéralement dans la partie supérieure du système de mélange (10).
  4. Dispositif selon la revendication 1, caractérisé en ce qu'au moins une partie des outils de mélange (23, 24) de l'agencement de mélange (10) comporte des pales de mélange qui s'étendent au moins par tronçon parallèlement à la paroi de la chambre de mélange (9) à une faible distance de celle-ci.
  5. Dispositif selon la revendication 4, caractérisé en ce que les outils de mélange (23, 24) présentent en section transversale une configuration rectangulaire.
  6. Dispositif selon la revendication 1, caractérisé en ce qu'un capteur de niveau plein (32) est disposé dans la chambre de mélange (9) du système de mélange (10), qui dès qu'un niveau de remplissage déterminé des composants ajoutés par dosage est atteint, met hors circuit les systèmes de prélèvement et de dosage (4).
  7. Dispositif selon la revendication 6, caractérisé par un système de temporisation qui remet en route les systèmes de prélèvement et de dosage (4) après un intervalle de temps prédéterminé suivant la mise hors service par le capteur de niveau de remplissage (32).
  8. Dispositif selon la revendication 1, caractérisé en ce qu'entre chaque arbre (12) de l'agencement de mélange (10) et de chaque arbre (29) de la pompe (27) est prévu un couplage mobile ou embrayage (30).
  9. Dispositif selon la revendication 8, caractérisé en ce qu'au moins un couplage de ce type (30) comprend un axe qui traverse une section d'arbre ou une section d'arbre tubulaire enserrant cette section d'arbre pour produire une liaison de rotation.
  10. Dispositif selon la revendication 1, caractérisé en ce que sur le côté supérieur de l'agencement de mélange (10), est disposé un arbre de commande pouvant être accouplé aux arbres de mélange (12), s'engageant dans la chambre de mélange (9).
  11. Dispositif selon la revendication 10, caractérisé en ce que l'arbre de commande est entraîné par un moteur électrique (18).
  12. Dispositif selon la revendication 10, caractérisé en ce que l'arbre de commande est entraîné hydrauliquement.
  13. Dispositif selon la revendication 1, caractérisé en ce que les dispositifs d'amenée et de dosage (4) présentent un logement commun et sont escamotables avec ce logement latéralement par les ouvertures d'entrée (3) dans la chambre de mélange (9) de l'agencement de mélange (10).
  14. Dispositif selon la revendication 1, caractérisé en ce que tant les dispositifs de prélèvement et de dosage (4) que le dispositif de mélange (10) et la pompe (27) sont disposés conjointement avec l'entraînement de façon déplaçable sur un châssis commun (5).
  15. Dispositif selon la revendication 1, caractérisé en ce que la chambre de mélange (9) est formée par deux sections de logement (11a, 11b) cylindriques et se recoupant.
  16. Dispositif selon la revendication 15, caractérisé en ce que la pompe (27) est une pompe à vis sans fin à deux arbres.
EP93104015A 1992-03-16 1993-03-12 Dispositif pour la fabrication d'un mortier pour enduit prêt à être utilisé Expired - Lifetime EP0561291B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4208354 1992-03-16
DE4208354A DE4208354A1 (de) 1992-03-16 1992-03-16 Vorrichtung zur herstellung von verarbeitungsfertigem estrich

Publications (2)

Publication Number Publication Date
EP0561291A1 EP0561291A1 (fr) 1993-09-22
EP0561291B1 true EP0561291B1 (fr) 1997-06-25

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ID=6454168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104015A Expired - Lifetime EP0561291B1 (fr) 1992-03-16 1993-03-12 Dispositif pour la fabrication d'un mortier pour enduit prêt à être utilisé

Country Status (3)

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EP (1) EP0561291B1 (fr)
AT (1) ATE154776T1 (fr)
DE (2) DE4208354A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225685A (zh) * 2017-07-31 2017-10-03 合肥恩腾电子科技有限公司 一种建筑工地用移动式搅拌机

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTV940006U1 (it) * 1994-02-11 1995-08-11 Fassa Spa Struttura di intonacatrice per la applicazione di intonaci premiscela- ti
DE19528110B4 (de) * 1995-08-01 2013-06-27 Wolfgang Endreß, Kalk- und Schotterwerk GmbH & Co. KG Verfahren und Vorrichtung zur Herstellung von verarbeitungsfertigem Fließestrich
DE19930554C1 (de) * 1999-07-02 2001-06-07 Mathis Technik Verfahren und Vorrichtung zum Anmachen von abbindendem Material, insbesondere von einer trockenen oder rieselfähigen Baustoffmischung
CN107984615B (zh) * 2017-11-30 2020-07-10 沂南沂泰环保建材科技有限公司 一种建筑用混凝土搅拌机
CN115961760A (zh) * 2021-10-12 2023-04-14 广东博智林机器人有限公司 供料装置及辊涂设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257613B2 (de) * 1972-11-24 1977-05-26 Misch- und pumpvorrichtung fuer baustoffe
DE2802683C3 (de) * 1978-01-21 1980-11-06 Putzmeister-Werk Maschinenfabrik Gmbh, 7024 Filderstadt Vorrichtung zum Mischen und Fördern von Baustoffen
DE3025454A1 (de) * 1980-07-04 1982-01-28 Karl Mathias 8951 Ruderatshofen Mayer Mischvorrichtung
DE3241193A1 (de) * 1982-11-08 1984-05-10 Dietrich Dipl.-Ing. 6240 Königstein Maurer Vorrichtung zum kontinuierlichen mischen von trockengut mit einer fluessigkeit und foerdern des mischgutes
DE3315099A1 (de) * 1983-04-26 1984-10-31 Dietrich Dipl.-Ing. 6240 Königstein Maurer Vorrichtung zum kontinuierlichen herstellen und foerdern eines gemisches aus trockengut und einer fluessigkeit
DE3924348A1 (de) * 1989-07-22 1991-01-31 Georg Badum Misch- und dosiervorrichtung fuer mauermoertel, estrich od.dgl.
DE9105027U1 (de) * 1991-04-24 1991-09-19 Winkler, Hans, 7801 Bollschweil Misch- und Förderpumpe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225685A (zh) * 2017-07-31 2017-10-03 合肥恩腾电子科技有限公司 一种建筑工地用移动式搅拌机

Also Published As

Publication number Publication date
DE4208354A1 (de) 1993-09-23
ATE154776T1 (de) 1997-07-15
DE59306809D1 (de) 1997-07-31
EP0561291A1 (fr) 1993-09-22

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