DE1145581B - Continuous screw press - Google Patents
Continuous screw pressInfo
- Publication number
- DE1145581B DE1145581B DEP22909A DEP0022909A DE1145581B DE 1145581 B DE1145581 B DE 1145581B DE P22909 A DEP22909 A DE P22909A DE P0022909 A DEP0022909 A DE P0022909A DE 1145581 B DE1145581 B DE 1145581B
- Authority
- DE
- Germany
- Prior art keywords
- funnel
- arrangement according
- housing
- blades
- screw conveyor
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- 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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
- B01F35/71731—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
-
- 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
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
-
- 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
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/501—Extruder feed section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
-
- 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
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/286—Raw material dosing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Screw Conveyors (AREA)
Description
Die Erfindung betrifft kontinuierliche Schneckenpressen zum Mischen, Kneten und Auspressen, insbesondere für keramische und thermoplastische Massen.The invention relates to continuous screw presses for mixing, kneading and pressing, in particular for ceramic and thermoplastic materials.
Bei bekannten Vorrichtungen gelangt das Arbeitsgut über einen Trichter in die Zuführungskammer, in der sich der Anfang der Schnecke befindet. Wenn die Ausgangsstoffe sehr leicht sind oder in angefeuchtetem Zustand Klumpen bilden, können sie sich am Ausgang des Trichters festsetzen, so daß die Einspeisung unterbrochen wird. Zur Beseitigung dieses Mangels ist es bereits bekannt, im Trichter Vibratoren, Propeller oder Förderschnecken anzubringen.In known devices, the material to be worked reaches the feed chamber via a funnel which is the beginning of the snail. When the starting materials are very light or in moistened If they form clumps, they can become lodged at the exit of the funnel, so that the feed is interrupted. To remedy this deficiency, it is already known to use vibrators in the funnel, To attach propellers or screw conveyors.
Ziel der Erfindung ist eine neue Ausgestaltung der Zuführungsvorrichtung, die keinen getrennten Antrieb benötigt und eine kontinuierliche Einspeisung gewährleistet sowie auch eine gewisse Vorverdichtung und Zerteilung des Arbeitsgutes bewirkt.The aim of the invention is a new embodiment of the feed device that does not have a separate drive required and a continuous feed guaranteed as well as a certain pre-compression and dividing the work material.
Die Erfindung geht also aus von einer kontinuierlichen Schneckenpresse, die einen Einfülltrichter und ein rohrförmiges, die Förderschnecke enthaltendes Gehäuse aufweist, und ist dadurch gekennzeichnet, daß der Trichter einen halbzylindrischen Unterteil besitzt, der koaxial das in diesen hineinragende und mit einer Eingangsöffnung versehene Ende des Gehäuses umgibt und mit diesem fest verbunden ist, wobei die durch den Trichterunterteil hindurchgeführte Welle der Förderschnecke eine Muffe mit einer oder mehreren Schaufeln trägt, die um die Eingangsöffnung des Gehäuses rotieren. The invention is based on a continuous screw press that has a hopper and has a tubular housing containing the screw conveyor, and is characterized in that that the funnel has a semi-cylindrical lower part, the coaxially protruding into this and with surrounds an input opening provided end of the housing and is fixedly connected to this, wherein the The shaft of the screw conveyor, which is passed through the lower part of the funnel, has a sleeve with one or more Carries blades that rotate around the inlet opening of the housing.
Wenn die Schaufeln so ausgebildet sind, daß sie bis nahe an die zylindrische Wand des Trichterunterteils reichen, dann wird der gesamte Inhalt des Unterteils von den Schaufeln erfaßt. Weiterhin können Einrichtungen vorgesehen sein, um das Arbeitsgut zu erwärmen oder zu kühlen, um ein Arbeiten unter Druck oder Vakuum zu ermöglichen und um den Trichterunterteil vollständig entleeren zu können.When the blades are designed so that they close to the cylindrical wall of the funnel base then the entire contents of the lower part are captured by the blades. Furthermore, facilities be provided in order to heat or cool the work piece in order to work under pressure or to enable a vacuum and to be able to completely empty the lower part of the funnel.
Der Aufbau und die Wirkungsweise der erfindungsgemäßen Vorrichtung wird an Hand der Zeichnung beschrieben. Diese zeigt inThe structure and the mode of operation of the device according to the invention is illustrated with reference to the drawing described. This shows in
Fig. 1 einen vertikalen Längsschnitt durch die Maschine und inFig. 1 is a vertical longitudinal section through the machine and in
Fig. 2 einen Querschnitt längs der Linie A-A der Fig. 1.FIG. 2 shows a cross section along the line AA in FIG. 1.
Die Maschine besteht aus einem Einfülltrichter 1, dessen Unterteil la halbzylindrisch ausgebildet und mit dem Gehäuse 5 über den Gehäuseflansch 6 koaxial verbunden ist. Das Gehäuse 5 enthält die Förderschnecke 4 und erstreckt sich mit seiner Eintrittsöffnung 11 in den Unterteil la des Trichters 1 hinein. Das durch den Abschluß des Gehäuses 5 und durchThe machine consists of a hopper 1, the lower part of which is designed to be semi-cylindrical and la is connected coaxially to the housing 5 via the housing flange 6. The housing 5 contains the screw conveyor 4 and extends with its inlet opening 11 into the lower part 1 a of the funnel 1. That through the conclusion of the housing 5 and through
Anmelder:
Ignazio Pastorello, Mailand (Italien)Applicant:
Ignazio Pastorello, Milan (Italy)
Vertreter: Dipl.-Ing. H. Seiler, Berlin 19,Representative: Dipl.-Ing. H. Seiler, Berlin 19,
und Dipl.-Ing. H. Stehmann,
Nürnberg 2, Essenweinstr. 4-6, Patentanwälteand Dipl.-Ing. H. Stehmann,
Nuremberg 2, Essenweinstr. 4-6, patent attorneys
Beanspruchte Priorität:
Italien vom 11. Juni 1958 (Nr. 11029)Claimed priority:
Italy of June 11, 1958 (No. 11029)
Ignazio Pastorello, Mailand (Italien),
ist als Erfinder genannt wordenIgnazio Pastorello, Milan (Italy),
has been named as the inventor
eine Seitenwand des Unterteils la des Trichters 1 hindurchragende freie Ende der mit der Förderschnecke 4 fest verbundenen Welle 14 trägt die Antriebsscheibe 3.a side wall of the lower part 1 a of the funnel 1 protruding through the free end of the screw conveyor 4 The permanently connected shaft 14 carries the drive pulley 3.
Auf dem freien Ende des Gehäuses 5 ist eine abnehmbare Kappe 5 mit Austrittsöffnimg 5b angeordnet, welche die Auspreßmatrize enthält. Im übrigen weisen das Gehäuse 5 und die Förderschnecke 4 eine an sich bekannte Form auf.On the free end of the housing 5, a removable cap 5 with outlet opening 5b is arranged, which contains the extrusion die. Otherwise, the housing 5 and the screw conveyor 4 have a shape known per se.
Auf dem im Innern des Unterteiles la des Trichters 1 sich befindenden Teil der Welle 14 ist gleichachsig mit dem Gehäuse 5 eine Muffe 7 angeordnet, die mittels eines Stiftes 8 mit der WeUe 14 fest verbunden ist.On the inside of the lower part la of the funnel 1 located part of the shaft 14 is coaxial a sleeve 7 is arranged with the housing 5 and is firmly connected to the shaft 14 by means of a pin 8 is.
Die Muffe 7 trägt eine oder mehrere Schaufeln 9, die über die Antriebsscheibe 3 mit der WeUe 14 um das Gehäuse 5 in rotierende Bewegung versetzt werden. Entsprechend jeder Schaufel 9 ist in der Muffe 7 eine Durchgangsöffnung 10 vorgesehen.The sleeve 7 carries one or more blades 9, which over the drive pulley 3 with the shaft 14 around the housing 5 can be set in rotating motion. Corresponding to each blade 9 is in the socket 7 a through opening 10 is provided.
Die Drehung der Schaufeln 9 verhindert, daß das einzuspeisende Arbeitsgut sich im Trichterunterteil la festsetzt und eine Verstopfung bildet. Die Schaufeln 9 fördern das Arbeitsgut in die Eingangsöffnung 11 des Gehäuses 5. Da die Schaufeln 9 bis nahe an die Wand des Trichterunterteils la reichen, wird das gesamte im Trichterunterteil befindliche Arbeitsgut nach und nach in das Gehäuse 5 gefördert. Bei ausreichender Füllung des Trichterunterteils bewirken die Schaufeln 9 durch Schubwirkung auch eine gewisse Vorverdichtung des Arbeitsgutes. Das zwischen der feststehenden Öffnung 11 und den beweglichen Öffnungen 10 befindliche Arbeitsgut wird während der RotationThe rotation of the blades 9 prevents the Arbeitsgut be fed becomes lodged in the hopper lower part la and forms a blockage. The blades 9 convey the work material into the inlet opening 11 of the housing 5. Since the blades 9 reach close to the wall of the lower hopper part 1 a, the entire work material located in the lower hopper part is gradually conveyed into the housing 5. If the lower part of the funnel is sufficiently filled, the blades 9 also bring about a certain pre-compression of the material to be worked by means of a thrust effect. The work material located between the fixed opening 11 and the movable openings 10 is during the rotation
309 540/336309 540/336
der die Flügel 9 tragenden Muffe 7 zerteilt, was für die Einspeisung von großem Vorteil ist.which divides the sleeve 7 carrying the wings 9, which is of great advantage for the feed.
Bei ausreichender Größe des Trichterunterteils la ist auch eine chargenweiser Betrieb möglich, indem das gesamte für eine Charge benötigte Arbeitsgut in den Unterteil eingefüllt wird. Infolge der erfindungsgemäßen Ausbildung ist ein stockungsfreies Zuführen des gesamten Arbeitsgutes gewährleistet.With a sufficient size of the funnel lower part la, batch operation is also possible by the entire work material required for a batch is poured into the lower part. As a result of the invention Training, a stoppage-free supply of all work goods is guaranteed.
Der Unterteil la des Trichters 1 kann auch mit einem Doppelmantel 15 versehen sein, in welchem eine Flüssigkeit zur Heizung oder Kühlung des Arbeitsgutes zirkuliert. Wenn die Bearbeitung unter Druck oder aber, z. B. zur Entgasung, im Vakuum erfolgen soll, wird der Trichter 1 mit einem dichtsitzenden Deckel 12 verschlossen. Um hierbei die kontinuierliche Beschickung aufrechtzuerhalten, ist im Deckel 12 ein Rohransatz vorgesehen, durch den das Arbeitsgut unter Druck oder Vakuum eingebracht wird.The lower part la of the funnel 1 can also be provided with a double jacket 15 in which a liquid circulates for heating or cooling the work item. When editing under Pressure or, for. B. for degassing, should take place in a vacuum, the funnel 1 with a tight-fitting Lid 12 closed. In order to maintain the continuous feed, im Lid 12 a tube attachment is provided through which the work material is introduced under pressure or vacuum will.
Im Unterteil la des Trichters 1 kann eine mit einem Pfropfen 16 verschlossene Öffnung vorgesehen sein, durch die restliches Arbeitsgut abgelassen werden kann. Falls der die Antriebswelle 14 drehende Motor eine Drehrichtungsumkehr zuläßt, kann auch das noch im Gehäuse 5 befindliche Arbeitsgut durch diese öffnung entfernt werden, nachdem es durch Rückwärtsgang der Förderschnecke aus dem Gehäuse in den Unterteil des Trichters zurückbefördert wurde.In the lower part of the hopper 1 la a sealed with a plug 16 opening may be provided, can be discharged through the residual Arbeitsgut. If the motor rotating the drive shaft 14 allows the direction of rotation to be reversed, the work material still in the housing 5 can also be removed through this opening after it has been conveyed back from the housing into the lower part of the hopper by the reverse gear of the screw conveyor.
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT848653X | 1958-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1145581B true DE1145581B (en) | 1963-03-21 |
Family
ID=11325403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP22909A Pending DE1145581B (en) | 1958-06-11 | 1959-06-06 | Continuous screw press |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1145581B (en) |
FR (1) | FR1225479A (en) |
GB (1) | GB848653A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0665052A1 (en) * | 1994-01-31 | 1995-08-02 | Rigips GmbH | Device for feeding a dry mixture to a mixing device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4111402A (en) * | 1976-10-05 | 1978-09-05 | Chemineer, Inc. | Motionless mixer |
DE3475283D1 (en) * | 1983-10-17 | 1988-12-29 | Renato Fornasero | Process for recovery of heterogeneous waste plastic materials, and apparatus usable in carrying out the same |
CN115477414A (en) * | 2022-09-16 | 2022-12-16 | 吕建军 | Industrial waste water degassing unit is used in environmental protection with function is smashed to precipitate |
-
1959
- 1959-05-27 FR FR795731A patent/FR1225479A/en not_active Expired
- 1959-06-05 GB GB19256/59A patent/GB848653A/en not_active Expired
- 1959-06-06 DE DEP22909A patent/DE1145581B/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0665052A1 (en) * | 1994-01-31 | 1995-08-02 | Rigips GmbH | Device for feeding a dry mixture to a mixing device |
Also Published As
Publication number | Publication date |
---|---|
FR1225479A (en) | 1960-07-01 |
GB848653A (en) | 1960-09-21 |
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