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CH381416A - Kneading and mixing device - Google Patents

Kneading and mixing device

Info

Publication number
CH381416A
CH381416A CH1391960A CH1391960A CH381416A CH 381416 A CH381416 A CH 381416A CH 1391960 A CH1391960 A CH 1391960A CH 1391960 A CH1391960 A CH 1391960A CH 381416 A CH381416 A CH 381416A
Authority
CH
Switzerland
Prior art keywords
kneading
teeth
mixing device
mixing
plasticizing
Prior art date
Application number
CH1391960A
Other languages
German (de)
Inventor
Gubler Ernst
Original Assignee
Buss Ag
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
Priority to NL272297D priority Critical patent/NL272297A/xx
Application filed by Buss Ag filed Critical Buss Ag
Priority to CH1391960A priority patent/CH381416A/en
Priority to AT893561A priority patent/AT239166B/en
Priority to FR880373A priority patent/FR1307106A/en
Publication of CH381416A publication Critical patent/CH381416A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/422Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing
    • B29B7/423Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing and oscillating axially
    • AHUMAN NECESSITIES
    • A21BAKING; EDIBLE DOUGHS
    • A21CMACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C1/00Mixing or kneading machines for the preparation of dough
    • A21C1/06Mixing or kneading machines for the preparation of dough with horizontally-mounted mixing or kneading tools; Worm or screw mixers
    • A21C1/065Worm or screw mixers, e.g. with consecutive mixing receptacles
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23GCOCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G3/00Sweetmeats; Confectionery; Marzipan; Coated or filled products
    • A23G3/02Apparatus specially adapted for manufacture or treatment of sweetmeats or confectionery; Accessories therefor
    • A23G3/0205Manufacture or treatment of liquids, pastes, creams, granules, shred or powder
    • A23G3/0215Mixing, kneading apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/40Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
    • B01F31/401Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer for material flowing continuously axially therethrough
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/68Barrels or cylinders
    • B29C48/685Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/687Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/114Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1143Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/45Axially movable screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

  

  Knet- und     Mischeinrichtung            Die    vorliegende Erfindung bezieht sich auf eine  Knet- und Mischeinrichtung, welche ein, mit zahn  artigen Vorsprüngen     versehenes    Gehäuse und in die  sem eine drehbare und     gegebenenfalls    auch gleich  zeitig oszillierende Schnecke aufweist, wobei die  Schneckengänge durch radiale     Schlitze    in Schnecken  flügeln aufgeteilt sind. Der Nachteil von solchen  Knet- und Mischeinrichtungen besteht darin,     dass        bei     empfindlichen Stoffen wie z. B.

   Teig, Schokolade  die Masse zwar ausgezeichnet gemischt, aber     beim     Mischen zerrissen wird.     Die    solcherart bearbeitete  Masse hat nicht die notwendige     Elastizität    oder ist  nicht genügend plastisch, so dass sie     ,vor    der Weiter  verarbeitung längere Zeit     stehengelassen    werden  muss.  



  Zweck der vorliegenden Erfindung äst eine     Knet-          und    Mischeinrichtung zu schaffen, bei welcher der  eingangs erwähnte Nachteil nicht auftritt. Die erfin  dungsgemässe     Knet    und Mischeinrichtung ist da  durch     gekennzeichnet,    dass dieselbe einen zusammen  wirkende     Knetzähne    und Schneckenflügel aufweisen  den Mischteil und einen anschliessenden     Plastifizier-          tetil    aufweist, welcher überhaupt keine     oder    gegen  über den Zähnen des. Mischteils erheblich zurück  versetzte     Knetzähne    besitzt.  



  Gemäss einer bevorzugten Ausführungsform feh  len im     Plastifizierteil    die     Knetzähne,    wobei der ent  sprechende     Teil    der Schneckenwelle verdickt ist. Als  Sonderform erhält die Welle relativ zum Gehäuse       keilförmig    ausgebildete     Knetflächen.     



  Ein anderes Ausführungsbeispiel des Erfindungs  gegenstandes bezieht sich auf die     Verwendung    einer       Plastifizierlenste,        welche    sich vor den entsprechen  den Schneckenflügeln befindet.  



  Auf beiliegender Zeichnung sind Ausführungs  beispiele des Erfindungsgegenstandes dargestellt, und  zwar     zeigen:            Fig.l    eine erste Ausführung der Knet- und  Mischeinrichtung im Längsschnitt,       Fig.2    einen entsprechenden Querschnitt,       Fig.    3 eine erste Variante der Misch- und     Knet-          einrichtung    im Längsschnitt,       Fig.    4 einen Querschnitt zu     Fig.    3,       Fig.5    eine letzte Variante im Längsschnitt und       Fig.6    einen entsprechenden Querschnitt.  



  Die Knet- und Mischeinrichtung weist ein Ge  häuse auf, welches bei allen Ausführungsbeispielen  mit 1 bezeichnet ist. In diesem Gehäuse ist eine  Schnecke     angeordnet,    welche     eine    Schneckenwelle 2  mit Schneckenflügeln 3 aufweist, welche mit einer       Anzahl    von     Knetzähnen    4 zusammenwirken. Die       Knetzähne    4 sind an der Innenwand des Gehäuses  1 befestigt, in der     Weise,    dass sie in die Zwischen  räume     zwischen    den Schneckenflügeln hineinragen.  



  Wie aus der     Fig.    1     ferner    ersichtlich ist, ist die  Schneckenwelle 2     zweiteilig    ausgebildet und setzt sich  aus einem dünneren Teil 2' und     einem    verdickten  Teil 2" zusammen. Der dickere Teil 2" trägt ent  sprechend verjüngte     Schneckenflügel    3'.  



  Nur im Bereiche des     Wellenteils    2' und der  Schneckenflügel 3 sind     Knetzähne    4 angeordnet, wäh  rend im Bereiche des verdickten Wellenteils 2" über  haupt keine oder stark zurückversetzte Zähne 4'  vorgesehen sind. Der Teil 2" der Welle nebst     dazu-          gehöriger    Ausbildung des Gehäuses. wirkt als     Plasti-          fizierteil,    welcher an den     eigentlichen    Mischteil an  geschlossen ist. Dieser Mischteil wird durch den  Wellenteil 2', die Schneckenflügel 3 und     Knetzähne     4 gebildet.  



  Gemäss der in der     Fig.3    gezeigten Variante ist  der     Plastifizierteil    einer Misch- und     Kneteinrichtung     durch eine im Querschnitt mit     keilförmigen        Knet-          flächen    versehene Welle 5 mit     Schneckenflügeln    6  gebildet, mit welchem unter Umständen stark zu-      rückversetzte Knetzähne zusammenwirken. Diese       Knetzähne    sind in den     Fig.    3 und 4 nur strichpunk  tiert dargestellt, da sie nur     eine    alternative Lösung  bilden.

   Die Wirkung der     Knetflächen    entspricht dem       bekannten        Walzeneffekt,    bei dem zufolge der in  einem     keilförmigen    Raum zwischen zwei bewegten       Arbeitsflächen        herrschenden    Reibungsverhältnissen  das Produkt in den     Keil        hineingezogen    und durch  den engsten Spalt     hindurchgepresst        wird.     



  Die letzte Ausführung des Erfindungsgegenstan  des     ist    aus den     Fig.    5 und 6     ersichtlich.    Im     Schnek-          kengehäuse    1 ist     eine    Welle 7     angeordnet,    welche auf  ihrer ganzen Länge den     gleichen    Durchmesser auf  weist. Die Welle 7 ist mit     Schneckenflügeln    8 ver  sehen, welche mit     Knetzähnen    9 wie     üblich    zusam  menwirken.

   Die     Knetzähne    9     sind    nur im-     Mischteil     10 der Schnecke vorgesehen, während der     Plas,tifi          zierteil    11 keine oder stark     zurückversetzte    Zähne 12  aufweist. Die Welle 7 weist     eine        Plastifizierleiste    13  auf, welche sich durch den     Plastifizierteil    11 erstreckt  und vor den Schneckengängen 14 befestigt äst.

   Die  Wirkung der     Plastifizierleiste    entspricht im wesent  lichen der Arbeit der vorher     beschriebenen        keilför-          migen        Knetflächen.     



  Bei allen beschriebenen     Ausführungsformen    der       Misch,    und     Kneteinrichtung    wird die zu bearbeitende  Masse schonend behandelt und     ein        Zerrreissen    der  selben vermieden.



  Kneading and mixing device The present invention relates to a kneading and mixing device which has a housing provided with tooth-like projections and in the sem a rotatable and possibly also simultaneously oscillating worm, the worm flights being divided by radial slots in worms are. The disadvantage of such kneading and mixing devices is that sensitive substances such as. B.

   Dough, chocolate the mass is mixed well, but tears when mixed. The mass processed in this way does not have the necessary elasticity or is not sufficiently plastic, so that it must be left to stand for a long time before further processing.



  The purpose of the present invention is to create a kneading and mixing device in which the disadvantage mentioned at the beginning does not occur. The kneading and mixing device according to the invention is characterized in that it has an interacting kneading teeth and screw blades, the mixing part and an adjoining plasticizing part which has no kneading teeth at all or which is considerably set back compared to the teeth of the mixing part.



  According to a preferred embodiment, the kneading teeth are absent in the plasticizing part, the corresponding part of the worm shaft being thickened. As a special form, the shaft is given a wedge-shaped kneading surface relative to the housing.



  Another embodiment of the subject matter of the invention relates to the use of a plasticizing ring, which is located in front of the corresponding screw blades.



  In the accompanying drawings, exemplary embodiments of the subject matter of the invention are shown, namely: Fig.l shows a first embodiment of the kneading and mixing device in longitudinal section, Fig. 2 is a corresponding cross section, Fig. 3 is a first variant of the mixing and kneading device in longitudinal section FIG. 4 shows a cross section of FIG. 3, FIG. 5 shows a last variant in longitudinal section and FIG. 6 shows a corresponding cross section.



  The kneading and mixing device has a housing which is denoted by 1 in all exemplary embodiments. In this housing, a worm is arranged which has a worm shaft 2 with worm blades 3 which interact with a number of kneading teeth 4. The kneading teeth 4 are attached to the inner wall of the housing 1 in such a way that they protrude into the spaces between the screw blades.



  As can also be seen from FIG. 1, the worm shaft 2 is constructed in two parts and is composed of a thinner part 2 'and a thickened part 2 ". The thicker part 2" has correspondingly tapered worm blades 3'.



  Kneading teeth 4 are only arranged in the area of the shaft part 2 'and the worm blades 3, while in the area of the thickened shaft part 2 "there are no teeth 4' or teeth 4 'that are set back very much. The part 2" of the shaft and the associated design of the housing . acts as a plasticizing part which is connected to the actual mixing part. This mixing part is formed by the shaft part 2 ′, the screw blades 3 and 4 kneading teeth.



  According to the variant shown in FIG. 3, the plasticizing part of a mixing and kneading device is formed by a shaft 5 with screw blades 6 which is provided with wedge-shaped kneading surfaces in cross section and with which kneading teeth, which are set back strongly under certain circumstances, interact. These kneading teeth are shown in FIGS. 3 and 4 only dashed dots, as they only form an alternative solution.

   The action of the kneading surfaces corresponds to the well-known roller effect, in which the frictional conditions prevailing in a wedge-shaped space between two moving work surfaces pull the product into the wedge and press it through the narrowest gap.



  The last embodiment of the subject of the invention is shown in FIGS. A shaft 7 is arranged in the worm housing 1 and has the same diameter over its entire length. The shaft 7 is seen with screw blades 8 ver, which men work together with kneading teeth 9 as usual.

   The kneading teeth 9 are only provided in the mixing part 10 of the screw, while the plastic, tifi decorative part 11 has no teeth 12 or teeth 12 that are strongly set back. The shaft 7 has a plasticizing strip 13 which extends through the plasticizing part 11 and is attached in front of the screw flights 14.

   The effect of the plasticizing bar essentially corresponds to the work of the previously described wedge-shaped kneading surfaces.



  In all of the described embodiments of the mixing and kneading device, the mass to be processed is treated gently and the same is prevented from tearing.

 

Claims (1)

PATENTANSPRUCH Knet- und Mischeinrichtung, welche ein mit zahn artigen Vorsprüngen versehenes Gehäuse und in die sem eine drehbare und gegebenenfalls auch oszillie rende Schnecke aufweist, wobei die Schneckengänge durch radiale Schlitze in Schneckenflügeln aufgeteilt sind, dadurch gekennzeichnet, dass die Einrichtung einen zusammenwirkende Knetzähne und Schnecken flügel enthaltenden Mischteil und einen anschliessen den Plasbifizierteil aufweist, welcher überhaupt keine oder gegenüber den Zähnen des Mischteils erheblich zurückversetzte Knetzähne besitzt. PATENT CLAIM Kneading and mixing device, which has a housing provided with tooth-like projections and in this sem a rotatable and possibly also oscillating screw, the screw flights being divided by radial slots in screw blades, characterized in that the device has a cooperating kneading teeth and screws Mixing part containing blades and an adjoining the plasbification part which has no kneading teeth at all or which have kneading teeth that are set back considerably compared to the teeth of the mixing part. UNTERANSPRÜCHE 1. Knet- und Mischeinrichtung nach Patentan spruch, dadurch gekennzeichnet, dass im Plastifäzier- teil keine Knetzähne ,vorhanden sind, der entspre chende Teil der Schneckenwelle jedoch verdickt ist. SUBSTANTIAL CLAIMS 1. Kneading and mixing device according to patent claim, characterized in that there are no kneading teeth in the plastic milling part, but the corresponding part of the worm shaft is thickened. 2. Knet und Mischeinrichtung nach Patentan spruch, dadurch gekennzeichnet, dass im Plastifizier- teil die Welle im Querschnitt mit keilförmigen Knet- flächen versehen ist. 2. Kneading and mixing device according to patent claim, characterized in that in the plasticizing part the shaft is provided with wedge-shaped kneading surfaces in cross section. 3. Knet- und Mischeinrichtung nach Patentan spruch, dadurch gekennzeichnet, dass im Plastifizier- teil Plastifizierleisten vorhanden sind, welche .sich vor den entsprechenden Schneckenflügeln befinden. 3. Kneading and mixing device according to patent claim, characterized in that plasticizing strips are present in the plasticizing part which are located in front of the corresponding screw blades.
CH1391960A 1960-12-10 1960-12-10 Kneading and mixing device CH381416A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL272297D NL272297A (en) 1960-12-10
CH1391960A CH381416A (en) 1960-12-10 1960-12-10 Kneading and mixing device
AT893561A AT239166B (en) 1960-12-10 1961-11-24 Mixing and kneading device for dough-like goods
FR880373A FR1307106A (en) 1960-12-10 1961-11-29 Kneading and kneading machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1391960A CH381416A (en) 1960-12-10 1960-12-10 Kneading and mixing device

Publications (1)

Publication Number Publication Date
CH381416A true CH381416A (en) 1964-08-31

Family

ID=4396464

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1391960A CH381416A (en) 1960-12-10 1960-12-10 Kneading and mixing device

Country Status (3)

Country Link
AT (1) AT239166B (en)
CH (1) CH381416A (en)
NL (1) NL272297A (en)

Also Published As

Publication number Publication date
NL272297A (en) 1900-01-01
AT239166B (en) 1965-03-25

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