EP1815906B1 - Planetenmischer mit feststehendem Behälter in welchem das Rührwerk eine mitdrehende Abdekung über der Drehachse aufweist. - Google Patents

Planetenmischer mit feststehendem Behälter in welchem das Rührwerk eine mitdrehende Abdekung über der Drehachse aufweist. Download PDF

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Publication number
EP1815906B1
EP1815906B1 EP07370002A EP07370002A EP1815906B1 EP 1815906 B1 EP1815906 B1 EP 1815906B1 EP 07370002 A EP07370002 A EP 07370002A EP 07370002 A EP07370002 A EP 07370002A EP 1815906 B1 EP1815906 B1 EP 1815906B1
Authority
EP
European Patent Office
Prior art keywords
vessel
kneading
rack
kneader
pan
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.)
Not-in-force
Application number
EP07370002A
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English (en)
French (fr)
Other versions
EP1815906A1 (de
Inventor
Christian c/o Couvrot SA Destombes
Eric c/o Couvrot SA Brunquet
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.)
COUVROT
Original Assignee
COUVROT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by COUVROT filed Critical COUVROT
Priority to PL07370002T priority Critical patent/PL1815906T3/pl
Publication of EP1815906A1 publication Critical patent/EP1815906A1/de
Application granted granted Critical
Publication of EP1815906B1 publication Critical patent/EP1815906B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/82—Pan-type mixers, i.e. mixers in which the stirring elements move along the bottom of a pan-shaped receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/351—Sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/28—Mixing cement, mortar, clay, plaster or concrete ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/12—Supplying or proportioning liquid ingredients
    • B28C7/126—Supply means, e.g. nozzles

Definitions

  • the invention relates to a fixed bowl mixer, and will find a particular application for mixing wet or dry components, for example cement, silica sand or the like, to obtain concrete.
  • the document GB-A-2153696 exhibits a mixer of this type.
  • the fixed-tank mixers are in the form of a generally circular tank, inside which a mixing train provided with blades makes it possible to mix the components.
  • a drive unit housed in a casing adjacent to the upper wall of the vessel makes it possible to animate the kneading train with a complex rotational movement, in particular, epicyclic movement.
  • the train has for this purpose a first axis of rotation with a rotating shaft around which the train turns on itself relative to a rotating support, in particular constituted by a movable ring.
  • the second axis of rotation of the train is constituted by the axis of rotation of the rotating support, centered on the vessel.
  • the rotation shaft protrudes downwardly from the upper wall of the tank and inside the latter.
  • the rotation shaft is held by a hub projecting into the tank.
  • the hub is fixed, integral with said rotating support.
  • the lower end of the rotation shaft has a support for the arms of the kneading train.
  • An anti-projection plate is provided integral with the rotation shaft, and located between the arm support and the hub. Its function is to protect the hub against splashing of products, especially pulverulent materials, and liquids.
  • the present invention aims to overcome these disadvantages by providing a fixed bowl mixer for easy cleaning particularly after use.
  • Another object of the present invention is to provide a mixer whose mechanical members, including drive, are subject to a good protection vis-à-vis the dust and liquid projections.
  • Another object of the invention is to provide a mixer whose vessel height can be reduced without loss of performance or capacity.
  • the invention relates to a mixer with a fixed bowl, in particular for mixing wet or dry components, for example cement, silica sand or others, to obtain concrete, of a type generally. known today.
  • the figures 1 and 3 illustrate the assembly of the kneading train to the drive device of a kneader of the prior art.
  • the driving device 30 ' is housed in a casing adjacent to the upper wall 11' of the tank 2 '.
  • the shaft is held by a hub 10 'secured to the upper wall 11' projecting downwardly into the vessel 2 '.
  • An arm support 50 is secured to the lower end of the shaft 9 'of the kneader 3'.
  • the kneading train also has an anti-splash plate 60 in particular secured and rotating with said shaft in order to protect the hub 10 'from splashing during the stirring of the components by the kneading train.
  • the tank has a height h 1 at least equal to the sum of the height h m , separating the arm support from the bottom of the tank, plus the length of the hub 10 '.
  • the hub 10 ' is secured to the upper wall 11' in particular rotatably mounted relative to the rest of the tank, integral with a movable ring 7 'driven by the output gear 22' of a gear motor 23 '.
  • the kneading train 3 has, in addition, a pan 13 secured to said rotation shaft 9 and rotating with it, said pan 13 forming a sealed cover intended to cover said shaft and its hub in the tank in order to protect.
  • the pan 13 protects the hub 10 against liquids such as water and especially powdery products. It is also a tray for receiving grease and other lubricants.
  • the mixer 1 according to the invention may be equipped with one or more nozzles 70, fixed relative to the tank 2, for the projection of a liquid under pressure.
  • These nozzles 70 are designed for cleaning the mixing train 3, including pan 13, when the train 3 is driven in a rotational movement, in particular for cleaning the agglomerated powdery materials.
  • the sealed pot rotating on itself is thus easily cleaned.
  • the hub 10 of the rotation shaft 9 of the kneading train 3 is constituted by a tubular element 40 having a shoulder 41 at one of its ends for attachment to one of the inner walls, in particular upper 11 of the tank 2.
  • the internal diameter of the hub 10 forms a cage for receiving one or more bearings 42 intended to guide said rotary shaft 9.
  • a shutter 43 of ring shape provides a first seal between the rotation shaft 9 and the hub 10 at its low end.
  • the tank 2 has a bottom wall, a side wall and an upper wall covering, at least in part, the bottom wall.
  • the mixing train 3 protrudes downwardly from the upper wall 11, in particular constituted by a turntable, for stirring the components contained in the tank 2.
  • the pan 13 can then constitute a support for the arm or arms 4 of the kneading train 3.
  • the or the arms 4 of the kneading train 3 are secured radially on the side wall 14 of the pan 13 above the level of the lower end of the rotation shaft 9. This arrangement makes it possible to secure the upper end of the arms 4 around the hub 10 and the rotation shaft 9 and thus reduce the height "h 2 " of the vessel, in particular lower than the height "h 1 " kneading tanks of the state of the art.
  • the mixing train may have a plurality of arms distributed in star, in particular four in number and positioned at 90 ° relative to each other.
  • the upper free edge of the pan 13 and one of the inner walls of the tank 2, in particular upper11, are connected by means of a rotary joint 15.
  • the rotary joint 15 is more particularly illustrated. to the figure 5 .
  • the rotary joint 15 is constituted by a rim element 16 disposed around the rotation shaft 9 and fixed on one of the internal walls, in particular upper 11 of the tank 2, and for example constituted by a turntable.
  • Said rim element 16 has a circular inner shoulder 17 designed to cooperate intimately, in rotation, with an outer circular shoulder 18 of the free upper edge of the pan 13 so as to form a baffle 19 for the fluids.
  • said rim element 16 can be made by the shoulder 41 of the hub 10.
  • the rotary joint 15 furthermore has a tubular flexible gasket 20 forming a lip and whose inner diameter covers said baffle 19.
  • the tank 2 of the kneader may be cylindrical, said kneading train 3 being eccentric with respect to the axis of symmetry 6 of the tank.
  • the drive device makes it possible to animate the kneading train 3 in particular with a complex epicyclic rotation movement.
  • the driving device may consist of a ring gear 7 and a toothed wheel 8.
  • the ring gear 7 is rotatable and able to serve as a support for the kneading train 3 for rotating said train in the tank 2, said at least one kneading train 3 being mounted free to rotate on itself, directly or indirectly on said ring 7.
  • the wheel 8 is fixed and provided coaxial with said ring 7, the kneading train 3 having a pinion receiver 12 which meshes around said wheel, the torque thus received from the pinion causing a drive in rotation on itself of the kneading train 3.
  • the crown 7 can be driven by an output gear 22 of a gear motor 23.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Food-Manufacturing Devices (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Accessories For Mixers (AREA)

Claims (11)

  1. Mischer (1) mit unbeweglichem Behälter, insbesondere vorgesehen zum Mischen von feuchten oder trockenen Komponenten, zum Beispiel Zement oder Kieselsand für die Herstellung von Beton, umfassend :
    - einen unbeweglichen Behälter (2), in den die verschiedenen zu mischenden Komponente eingebracht sind,
    - wenigstens ein Rührwerk (3), das eine Antriebswelle (9) und wenigstens einen mit Schaufeln (5) ausgestatteten Mischarm (4) aufweist, vorgesehen, um die im Behälter (2) vorhandenen zu mischenden Komponente zu rühren, wobei das Rührwerk (3) durch eine Antriebsvorrichtung (30) in einfache oder komplexe Drehung versetzt sei,
    - die besagte Antriebswelle (9) und ihr Achskopf (10) zumindest teilweise im Innern des Behälters (2) vorspringen, wobei der Eingang der Welle (9) mit der Antriebsvorrichtung (30) zusammenwirkt, wobei der Ausgang der Welle (9) unmittelbar oder mittelbar mit dem besagten wenigstens einen Mischarm (4) fest verbunden ist,
    dadurch gekennzeichnet, dass das Rührwerk (3) außerdem einen Topf (13) aufweist, der mit der besagten Antriebswelle (9) fest verbunden ist und mit ihr drehend ist, wobei der besagte Topf (13) eine wasserdichte Haube bildet, vorgesehen, um die besagte Welle (9) und ihren Achskopf (10) im Behälter (2) zu bedecken, um sie zu schützen.
  2. Mischer (1) nach Anspruch 1, in dem der Mischer (1) eine oder mehrere Düsen (70) zum Einspritzen von Flüssigkeit unter Druck aufweist, die hinsichtlich des Behälters (2) unbeweglich sind und für die Reinigung des Rührwerks (3), einschließlich des Topfes (13), vorgesehen sind, wenn das besagte Rührwerk in eine Drehbewegung nämlich zur Entfernung von zusammengeballten pulvrigen Materialien angetrieben ist.
  3. Mischer (1) nach Anspruch 1 oder 2, in dem der Achskopf (10) der Antriebswelle (9) des Rührwerks (3) durch ein röhrenförmiges Bauelement (40) gebildet ist, das einen Absatz (41) im Bereich des einen von seinen Enden für seine Befestigung auf der einen von den inneren Wänden des Behälters (2) aufweist, und dessen innere Durchmesser ein Käfig für die Aufnahme von einem oder mehreren Lagern (42) bildet, die vorgesehen sind, um die Führung der besagten Antriebswelle (9) zu sichern.
  4. Mischer (1) nach einem der Ansprüche 1 bis 3, in dem der Käfig (2) eine Bodenwand, zumindest eine seitliche Wand und eine obere Wand aufweist, die zumindest teilweise die Bodenwand bedeckt, wobei das Rührwerk (3) von der oberen Wand ab nach unten vorspringt, um die in dem Behälter (2) enthaltenen Komponente zu rühren.
  5. Mischer nach Anspruch 4, in dem der Topf (13) einen Träger für den Mischarm oder die Mischarme (4) des Rührwerks (3) bildet.
  6. Mischer nach Anspruch 5, in dem der Mischarm oder die Mischarme (4) des Rührwerks (3) radial an der seitlichen Wand (14) des Topfs (13) oberhalb des Bereichs des unteren Endes der Antriebswelle (9) befestigt sind.
  7. Mischer nach Anspruch 5, in dem das Rührwerk (3) mehrere sternförmig verteilte Mischarme (4) aufweist.
  8. Mischer nach einem der Ansprüche 1 bis 7, in dem der obere freie Rand des Topfes (13) und die eine von den inneren Wänden des Behälters (2) durch eine Drehverbindung (15) verbunden sind.
  9. Mischer nach Anspruch 8, in dem die Drehverbindung (15) durch einen Felgenbauteil (16) gebildet ist, der um die Antriebswelle (9) angeordnet und auf einer der inneren Wände des Behälters (2) befestigt ist, wobei der besagte Felgenbauteil (16) einen kreisförmigen inneren Ansatz (17) aufweist, vorgesehen, um in Drehung eng mit einem kreisförmigen äußeren Ansatz (18) des oberen freien Randes des besagten Topfs (13) auf solche Art und Weise zusammenzuwirken, um eine Prallplatte (19) für die Flüssigkeiten zu bilden.
  10. Mischer nach Anspruch 9, in dem die Drehverbindung (15) eine röhrenförmige biegsame Dichtung (20) aufweist, deren innere Durchmesser die besagte Prallplatte (19) bedeckt.
  11. Mischer (1) nach irgendeinem der Ansprüche 1 bis 10, in dem der Behälter zylindrisch ist, wobei das besagte Rührwerk (3) aussermittig hinsichtlich der Symmetrieachse (6) des Behälters verstellt sei, wobei die Antriebsvorrichtung erlaubt, das Rührwerk (3) in eine komplexe epizykloidische Rotationsbewegung zu bringen, und in dem :
    - die Antriebsvorrichtung durch einen Zahnkranz (7) und ein Zahnrad (8) gebildet ist,
    - der Zahnkranz (7) in Drehung beweglich und geeignet ist, um dem Rührwerk (3) als Träger zu dienen zum Versetzen des besagten Rührwerks in Drehung im Behälter (2), wobei das besagte zumindest ein Rührwerk (3) frei in Drehung um sich selbst unmittelbar oder mittelbar auf dem besagten Zahnkranz (7) gelagert sei,
    - das besagte Rad (8) unbeweglich und koaxial zu dem besagten Zahnkranz (7) vorgesehen ist, wobei das Rührwerk (3) ein Aufnahmezahnrad (12) aufweist, das um das besagte Rad herum eingreift, wobei das so vom Zahnrad erhaltene Drehmoment einen Antrieb in Drehung des Rührwerks (3) um sich selbst verursacht.
EP07370002A 2006-02-01 2007-01-25 Planetenmischer mit feststehendem Behälter in welchem das Rührwerk eine mitdrehende Abdekung über der Drehachse aufweist. Not-in-force EP1815906B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07370002T PL1815906T3 (pl) 2006-02-01 2007-01-25 Mieszarka ze zbiornikiem nieruchomym, w którym zespół mieszadła jest wyposażony w osłonę obracającą się nad osią obrotu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0600919A FR2896706B1 (fr) 2006-02-01 2006-02-01 Malaxeur a cuve fixe dont le train de malaxage presente une casserole solidaire au dessus dudit arbre de rotation.

Publications (2)

Publication Number Publication Date
EP1815906A1 EP1815906A1 (de) 2007-08-08
EP1815906B1 true EP1815906B1 (de) 2008-04-09

Family

ID=37024737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07370002A Not-in-force EP1815906B1 (de) 2006-02-01 2007-01-25 Planetenmischer mit feststehendem Behälter in welchem das Rührwerk eine mitdrehende Abdekung über der Drehachse aufweist.

Country Status (6)

Country Link
EP (1) EP1815906B1 (de)
AT (1) ATE391550T1 (de)
DE (1) DE602007000010T2 (de)
ES (1) ES2306447T3 (de)
FR (1) FR2896706B1 (de)
PL (1) PL1815906T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPG20130015A1 (it) * 2013-04-15 2014-10-16 Officine Galletti Omg Srl Pala di mescolazione
CN106983395A (zh) * 2017-04-14 2017-07-28 深圳市捷耐电器有限公司 搅拌容器自转又公转打蛋机
CN107557206A (zh) * 2017-09-07 2018-01-09 重庆市红槽坊酒业有限公司 一种生产酒用无死角拌料设备
CN108657422A (zh) * 2018-04-07 2018-10-16 曾浩 一种无人机用的自动配药装置
CN111645192B (zh) * 2020-06-23 2021-04-02 广西东林尧它建材科技有限公司 一种用于建筑混凝土搅拌的搅拌设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069145A (en) * 1959-10-26 1962-12-18 Bernhard V Fejmert Machine for mixing different kinds of materials
GB2027353B (en) * 1978-08-02 1982-09-29 Fejmert B Concrete mixers
US4506984A (en) * 1983-06-09 1985-03-26 Mixer Systems, Inc. Pan type mixing machine
GB2153696B (en) * 1984-02-10 1987-08-05 Croker Ltd Improvements in mixing machines
DE3405385A1 (de) * 1984-02-15 1985-08-22 Stetter Gmbh, 8940 Memmingen Ringtrogzwangsmischer
DE19611303C2 (de) * 1996-03-22 1998-07-02 Verschleis Technik Dr Ing Hans Ringtrogmischer

Also Published As

Publication number Publication date
DE602007000010T2 (de) 2009-05-14
FR2896706A1 (fr) 2007-08-03
PL1815906T3 (pl) 2008-09-30
DE602007000010D1 (de) 2008-05-21
FR2896706B1 (fr) 2008-04-04
ES2306447T3 (es) 2008-11-01
EP1815906A1 (de) 2007-08-08
ATE391550T1 (de) 2008-04-15

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