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ITTO950024U1 - MIXING BUCKET OF SOLID AGGREGATES AND MIXING DISTRIBUTOR. - Google Patents

MIXING BUCKET OF SOLID AGGREGATES AND MIXING DISTRIBUTOR. Download PDF

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Publication number
ITTO950024U1
ITTO950024U1 IT95TO000024U ITTO950024U ITTO950024U1 IT TO950024 U1 ITTO950024 U1 IT TO950024U1 IT 95TO000024 U IT95TO000024 U IT 95TO000024U IT TO950024 U ITTO950024 U IT TO950024U IT TO950024 U1 ITTO950024 U1 IT TO950024U1
Authority
IT
Italy
Prior art keywords
bucket
mixing
vanes
auger
bucket according
Prior art date
Application number
IT95TO000024U
Other languages
Italian (it)
Original Assignee
Porello G Battista
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 Porello G Battista filed Critical Porello G Battista
Priority to IT1995TO000024U priority Critical patent/IT235773Y1/en
Publication of ITTO950024V0 publication Critical patent/ITTO950024V0/en
Priority to DE69628476T priority patent/DE69628476T2/en
Priority to AT96101175T priority patent/ATE242094T1/en
Priority to EP96101175A priority patent/EP0724940B1/en
Priority to ES96101175T priority patent/ES2090003T3/en
Publication of ITTO950024U1 publication Critical patent/ITTO950024U1/en
Application granted granted Critical
Publication of IT235773Y1 publication Critical patent/IT235773Y1/en

Links

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
    • B28C5/1292—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
    • 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
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/502—Vehicle-mounted mixing 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
    • B28C5/14—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 horizontal or substantially horizontal axis
    • B28C5/142—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 horizontal or substantially horizontal axis the stirrer shaft carrying screw-blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing Of Solid Wastes (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Screw Conveyors (AREA)

Abstract

The bucket mixer comprises a mixing screw (11) extending substantially throughout the whole bucket mixer and counter-current mixing blades (13) carried by the peripheral part of the mixing screw and radially extending from the edge thereof to near the inner wall of the vessel (10). The blades are oriented at a winding direction opposite to that of the mixing screw (11), and are rigidly and entirely fixed (14) in releasable manner to supports (15) welded to the peripheral part of the mixing screw. <IMAGE>

Description

Descrizione a corredo di una domanda di brevetto per Modello di Utilità dal titolo: Benna miscelatrice di aggregati solidi e distributrice del miscelato. Description accompanying a patent application for a Utility Model entitled: Mixing bucket of solid aggregates and mixing distributor.

Descrizione Description

Il presente trovato si riferisce ad una benna miscelatrice di aggregati solidi e distributrice del miscelato . The present invention refers to a mixing bucket for solid aggregates and distributing the mixture.

Più in particolare il trovato concerne una benna miscelatrice di materiali solidi, quale il calcestruzzo, del tipo comprendente un contenitore ed una coclea ruotante nel suo interno intorno ad un asse parallelo all'asse longitudinale del contenitore stesso. More particularly, the invention relates to a mixing bucket for solid materials, such as concrete, of the type comprising a container and an auger rotating inside it around an axis parallel to the longitudinal axis of the container itself.

La benna secondo il trovato è inoltre del tipo che prevede una pluralità di palette montate sulla periferia della coclea in modo da estendersi radialmente fino in prossimità del bordo del contenitore ed orientate con senso di avvolgimento opposto a quello della coclea così da ottenere II duplice effetto di pulire o raschiare il fondo del contenitore e provocare lo spostamento del materiale in senso opposto a quello provocato dalla coclea durante il funzionamento della benna. The bucket according to the invention is also of the type which provides a plurality of vanes mounted on the periphery of the auger so as to extend radially up to the edge of the container and oriented with the opposite direction of winding to that of the auger so as to obtain the double effect of clean or scrape the bottom of the container and cause the material to move in the opposite direction to that caused by the auger during bucket operation.

Il brevetto U.S. 4.223.996 descrive un'apparecchiatura del genere sopra indicato, accennando al fatto che le palette possono essere saldate od assicurate in altro modo, permanentemente o separabilmente, ma in modo rigido, alla periferia della coclea. U.S. Pat. 4,223,996 describes an apparatus of the type indicated above, mentioning the fact that the blades can be welded or secured in another way, permanently or separably, but rigidly, to the periphery of the auger.

Il fissaggio, secondo il brevetto avviene incastrando il bordo interno della paletta in un recesso ricavato nella coclea. Questa soluzione, innanzitutto indebolisce la coclea nel punti in cui si realizzano i recessi, poi rende difficoltoso realizzare un sistema di vincolo in modo svincolabile della paletta sulla periferia della coclea, in quanto i due elementi si trovano tra loro sostanzialmente perpendicolari in un punto in cui sono soggetti a sforzi di torsione rilevanti; infine, anche la paletta, proprio per i suddetti motivi, rischia di deformarsi rapidamente e la sua sostituzione può diventare problematica od addirittura impossibile visto il tipo di accoppiamento alla coclea. The fixing, according to the patent, takes place by fitting the internal edge of the blade into a recess obtained in the cochlea. This solution, first of all weakens the cochlea in the points where the recesses are made, then it makes it difficult to create a releasable constraint system of the blade on the periphery of the cochlea, since the two elements are substantially perpendicular to each other in a point where are subject to significant torsional stresses; finally, also the blade, precisely for the aforesaid reasons, risks deforming rapidly and its replacement can become problematic or even impossible given the type of coupling to the auger.

Il brevetto italiano 1.210.783 descrive una benna di questo tipo in cui ogni paletta è incernierata ad un supporto saldato alla coclea, per ruotare tra una posizione retratta verso l'asse della coclea ed una posizione estesa in prossimità del contenitore. Italian patent 1,210,783 describes a bucket of this type in which each blade is hinged to a support welded to the auger, to rotate between a retracted position towards the auger axis and an extended position near the container.

Da prove effettuate si è constatato che con il tempo, se non si eseguono pulizie approfondite e continue, il calcestruzzo, o qualsiasi altro materiale venga miscelato, solidifica negli interstizi tra paletta e supporto bloccando la paletta in una posizione; ciò annulla qualsiasi beneficio che la paletta incernierata può portare. Inoltre, se il bloccaggio avviene quando la paletta è retratta, anche la raschiatura o pulizia del contenitore non avviene più. Infine, la sostituzione delle palette diventa estremamente difficoltosa e complessa . From tests carried out it has been found that over time, if thorough and continuous cleaning is not carried out, the concrete, or any other material is mixed, solidifies in the interstices between the blade and the support, locking the blade in one position; this negates any benefit that the hinged vane can bring. Furthermore, if the locking occurs when the pallet is retracted, the scraping or cleaning of the container no longer takes place. Finally, the replacement of the vanes becomes extremely difficult and complex.

Si è poi riscontrato che non è necessario che le palette ruotino a contatto delle pareti del contenitore per eseguire una corretta e completa pulizia, mentre si è riscontrato che le palette si usurano con il tempo, per cui deve essere previsto un sistema che ne consenta la sostituzione rapida senza per questo prevedere sistemi di vincolo alla coclea che indeboliscano l'uno o l'altro dei due organi. It was then found that it is not necessary for the vanes to rotate in contact with the walls of the container to perform a correct and complete cleaning, while it was found that the vanes wear out over time, so a system must be provided that allows them to be cleaned. rapid replacement without providing for constraint systems to the cochlea that weaken one or the other of the two organs.

Per questi ed ulteriori scopi e per ovviare agli inconvenienti dei dispositivi noti sopra accennati, il trovato propone di realizzare una benna miscelatrice di aggregati solidi e distributrice del miscelato, comprendente mezzi di miscelazione in controcorrente del tipo a coclea, estendentesi sostanzialmente per tutta la lunghezza della benna, ed a palette, portate dalla periferia della coclea ed estendentisi radialmente dal suo bordo fino in prossimità della parete interna del contenitore della benna; le palette essendo orientate con senso di avvolgimento opposto a quello della coclea, caratterizzata dal fatto che le palette sono rigidamente ed interamente fissate in modo svincolabile a supporti saldati sulla periferia della coclea. For these and further purposes and to obviate the drawbacks of the known devices mentioned above, the invention proposes to provide a mixing bucket for solid aggregates and for distributing the mixture, comprising counter-current mixing means of the screw type, extending substantially for the entire length of the bucket, and with vanes, carried by the periphery of the auger and extending radially from its edge up to the proximity of the inner wall of the bucket container; the vanes being oriented with the opposite direction of winding to that of the auger, characterized in that the vanes are rigidly and entirely releasably fixed to supports welded on the periphery of the auger.

Verrà ora descritto il trovato in alcune forme realizzative, che però conseguono pari utilità impiegando il medesimo concetto innovativo, facendo riferimento ai disegni allegati in cui: The invention will now be described in some embodiments, which however achieve equal utility by using the same innovative concept, with reference to the attached drawings in which:

Fig. 1 è la vista sostanzialmente frontale di una benna miscelatrice secondo il trovato, Fig. 1 is the substantially front view of a mixing bucket according to the invention,

Fig. 2, 4 e 6 sono le viste di una palettatura secondo il trovato in tre diverse forme, Fig. 2, 4 and 6 are the views of a blading according to the invention in three different forms,

Fig. 3, 5 e 7 sono le viste delle palettature delle figure precedenti rispettivamente secondo le frecce A, B e C. Fig. 3, 5 and 7 are the views of the blades of the previous figures respectively according to the arrows A, B and C.

Una benna miscelatrice di tipo noto prevede un contenitore 10 dei prodotti da miscelare, in cui è montata una coclea 11 rotante intorno ad un asse longitudinale centrale costituito da un albero 12. A known type mixing bucket provides a container 10 for the products to be mixed, in which an auger 11 is mounted rotating around a central longitudinal axis consisting of a shaft 12.

Sempre in modo noto, lungo la periferia della coclea 11, a distanze angolari prefissate tra loro, sono montate delle palette 13, orientate perpendicolarmente rispetto alla coclea 11 e dirette verso la parete interna del contenitore 10, così da effettuare una miscelazione in controcorrente rispetto alla coclea 11 e ripulire l’interno del contenitore 10 durante la miscelazione. Always in a known way, along the periphery of the auger 11, at predetermined angular distances between them, vanes 13 are mounted, oriented perpendicularly with respect to the auger 11 and directed towards the inner wall of the container 10, so as to effect a counter-current mixing with respect to the screw 11 and cleaning the inside of the container 10 during mixing.

Secondo il trovato, le palette 13 sono rìgidamente fissate, ad esemplo mediante bulloni 14 e direttamente od indirettamente, ad un supporto 15 saldato sulla periferìa della coclea 11. According to the invention, the vanes 13 are rigidly fixed, for example by means of bolts 14 and directly or indirectly, to a support 15 welded to the periphery of the screw 11.

Come si osserva nei disegni, nella soluzione di Fig. 2 e 3 il supporto 15 è una base piana mentre tra la paletta 13, anch'essa piana, ed il supporto 15 è interposta una staffa 16 ad L imbullonata ad entrambi detti elementi 13 e 15 (come si vede in Fig. 2 e 3) oppure a solo uno di essi. As can be seen in the drawings, in the solution of Fig. 2 and 3 the support 15 is a flat base while between the blade 13, which is also flat, and the support 15 there is an L-shaped bracket 16 bolted to both said elements 13 and 15 (as seen in Fig. 2 and 3) or to only one of them.

Nella soluzione di Figg. 4 e 5 il supporto 15 è ad L e non vi sono staffe intermedie in quanto la paletta è imbullonata in 14 all'aletta più lunga del supporto 15. In the solution of Figs. 4 and 5 the support 15 is L-shaped and there are no intermediate brackets since the blade is bolted at 14 to the longer tab of the support 15.

Infine, nella soluzione di Figg. 6 e 7 è la paletta 13 conformata ad L per cui sarà la sua aletta più corta ad essere imbullonata in 14 al supporto 15. Finally, in the solution of Figs. 6 and 7 is the L-shaped vane 13 so that its shorter fin will be bolted at 14 to the support 15.

In tutte la soluzioni descritte la paletta è rigidamente vincolata alla coclea ma in modo da non creare deformazioni nei due organi e da poter essere facilmente sostituita in caso di usura o rottura. Inoltre, non è più necessaria alcuna manutenzione (lavaggio) delle palette non essendovi più parti in movimento reciproco durante il funzionamento. In all the solutions described, the blade is rigidly bound to the auger but in such a way as not to create deformations in the two members and can be easily replaced in the event of wear or breakage. Furthermore, no maintenance (washing) of the vanes is necessary anymore as there are no more parts in reciprocal movement during operation.

Claims (7)

RIVENDICAZIONI 1. Benna miscelatrice dì aggregati solidi e distributrice del miscelato, comprendente mezzi di miscelazione in controcorrente del tipo a coclea (11), estendentesi sostanzialmente per tutta la lunghezza della benna, ed a palette (13), portate dalla periferìa della coclea ed estendentlsi radialmente dal suo bordo fino in prossimità della parete interna del contenitore (10) della benna; le palette (13) essendo orientate con senso di avvolgimento opposto a quello della coclea (11)/ caratterizzata dal fatto che le palette (13) sono rigidamente ed interamente fissate (14) in modo svìncolabile a supporti (15) saldati sulla periferia della coclea (11). CLAIMS 1. Mixing bucket for solid aggregates and distributing the mix, comprising counter-current mixing means of the screw type (11), extending substantially for the entire length of the bucket, and of paddles (13), carried by the periphery of the screw and extending radially from its edge to near the inner wall of the container (10) of the bucket; the vanes (13) being oriented with the opposite direction of winding to that of the auger (11) / characterized by the fact that the vanes (13) are rigidly and entirely fixed (14) in a detachable way to supports (15) welded on the periphery of the auger (11). 2. Benna secondo la rivendicazione 1, caratterizzata dal fatto che le palette (13) sono fissate direttamente ai relativi supporti (15). 2. Bucket according to claim 1, characterized in that the vanes (13) are fixed directly to the relative supports (15). 3. Benna secondo la rivendicazione 1, caratterizzata dal fatto che le palette (13) sono fissate ai relativi supporti (15) attraverso una staffa intermedia (16) svìncolabile dalla paletta (13) o dal supporto (15) o da entrambe. Bucket according to claim 1, characterized in that the vanes (13) are fixed to the relative supports (15) by means of an intermediate bracket (16) which can be released from the pallet (13) or from the support (15) or both. 4. Benna secondo la rivendicazione 3, caratterizzata dal fatto che la staffa intermedia (16) è conformata ad L. 4. Bucket according to claim 3, characterized in that the intermediate bracket (16) is L-shaped. 5. Benna secondo le rivendicazioni 1 e 2, caratterizzata dal fatto che le palette (13) sono conformate ad L. 5. Bucket according to claims 1 and 2, characterized in that the vanes (13) are L-shaped. 6. Benna secondo le rivendicazioni 1 e 2, caratterizzata dal fatto che i supporti (15) sono conformati ad L. 6. Bucket according to claims 1 and 2, characterized in that the supports (15) are L-shaped. 7. Benna secondo le precedenti rivendicazioni, caratterizzata dal fatto che i fissaggi svincolabili sono ottenuti mediante imbuìlonamenti (14). 7. Bucket according to the preceding claims, characterized in that the releasable fasteners are obtained by means of imbuìloning (14).
IT1995TO000024U 1995-02-03 1995-02-03 MIXING BUCKET OF SOLID AGGREGATES AND MIXING DISTRIBUTOR. IT235773Y1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT1995TO000024U IT235773Y1 (en) 1995-02-03 1995-02-03 MIXING BUCKET OF SOLID AGGREGATES AND MIXING DISTRIBUTOR.
DE69628476T DE69628476T2 (en) 1995-02-03 1996-01-29 Device for mixing and conveying bulk goods
AT96101175T ATE242094T1 (en) 1995-02-03 1996-01-29 DEVICE FOR MIXING AND CONVEYING BULK GOODS
EP96101175A EP0724940B1 (en) 1995-02-03 1996-01-29 A bucket mixer for mixing solid aggregates and delivering the mixture
ES96101175T ES2090003T3 (en) 1995-02-03 1996-01-29 MIXING BUCKET TO MIX SOLID ARISES AND TO DELIVER THE MIX.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1995TO000024U IT235773Y1 (en) 1995-02-03 1995-02-03 MIXING BUCKET OF SOLID AGGREGATES AND MIXING DISTRIBUTOR.

Publications (3)

Publication Number Publication Date
ITTO950024V0 ITTO950024V0 (en) 1995-02-03
ITTO950024U1 true ITTO950024U1 (en) 1996-08-03
IT235773Y1 IT235773Y1 (en) 2000-07-18

Family

ID=11413068

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1995TO000024U IT235773Y1 (en) 1995-02-03 1995-02-03 MIXING BUCKET OF SOLID AGGREGATES AND MIXING DISTRIBUTOR.

Country Status (5)

Country Link
EP (1) EP0724940B1 (en)
AT (1) ATE242094T1 (en)
DE (1) DE69628476T2 (en)
ES (1) ES2090003T3 (en)
IT (1) IT235773Y1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804361B1 (en) * 2000-01-31 2002-05-03 Rabaud Sa IMPROVEMENTS ON MIXER BUCKETS
FR2958865B1 (en) * 2010-04-20 2012-05-11 Emily Ets MIXER AND / OR DISPENSER BUCKET
CN108818926A (en) * 2018-07-25 2018-11-16 徐州徐工养护机械有限公司 A kind of stabilized soil mixing plant stirring blade
CN109291246A (en) * 2018-11-21 2019-02-01 马鞍山迪斯福工业设计有限公司 A kind of spouting plant for building and method
CN110405943A (en) * 2019-08-02 2019-11-05 张再兴 A concrete mixing device for preventing inner wall sticking
CN113441454B (en) * 2021-06-21 2022-02-15 常州都铂高分子有限公司 Raw materials belt cleaning device is used in aqueous binder production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT352986B (en) * 1977-03-09 1979-10-25 Mathis Fertigputz DEVICE FOR THE PRODUCTION OF MADE MOERTEL OR DGL.
US4478515A (en) * 1983-09-27 1984-10-23 Stone Construction Equipment, Inc. Mortar mixer with triple eight mixing action
FR2581894B1 (en) * 1985-05-17 1987-08-07 Bernard Francois DEVICE FOR MIXING OR MIXING PASTY PRODUCTS
US4660987A (en) * 1986-02-12 1987-04-28 Tci, Inc. Blender rotor improvements
US4896971A (en) * 1987-03-26 1990-01-30 General Signal Corporation Mixing apparatus
FR2666247B1 (en) * 1990-08-28 1992-11-27 Audureau Sa SCREW MIXER.

Also Published As

Publication number Publication date
EP0724940A2 (en) 1996-08-07
DE69628476D1 (en) 2003-07-10
EP0724940B1 (en) 2003-06-04
ES2090003T3 (en) 2004-03-16
ITTO950024V0 (en) 1995-02-03
IT235773Y1 (en) 2000-07-18
EP0724940A3 (en) 1997-03-19
DE69628476T2 (en) 2004-04-29
ES2090003T1 (en) 1996-10-16
ATE242094T1 (en) 2003-06-15

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