EP0627979A1 - Gehäuse zur schneckenpresse - Google Patents
Gehäuse zur schneckenpresseInfo
- Publication number
- EP0627979A1 EP0627979A1 EP94901728A EP94901728A EP0627979A1 EP 0627979 A1 EP0627979 A1 EP 0627979A1 EP 94901728 A EP94901728 A EP 94901728A EP 94901728 A EP94901728 A EP 94901728A EP 0627979 A1 EP0627979 A1 EP 0627979A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- screw
- screws
- screw press
- press according
- 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.)
- Ceased
Links
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000035515 penetration Effects 0.000 claims description 5
- 238000004898 kneading Methods 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B29C48/6801—Barrels or cylinders characterised by the material or their manufacturing process
-
- 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
Definitions
- the invention relates to the housing of a twin-screw press for the continuous conveying, mixing and / or kneading of media under increased pressure, according to the characterizing features of claim 1.
- extruder has become common for devices of this type.
- the continuous conveying, mixing and / or kneading of media is one of the basic operations of process engineering.
- the mixed and / or conveyed goods can be very different substances.
- the chemical and physical properties of these substances, their state of aggregation and their behavior under pressure and temperature can vary accordingly.
- Corresponding to this diversity is the state of the art for solutions in mechanical engineering, that of kneaders of the chocolate mass, the production of semi-finished plastics with extrusion and the processing of
- REPLACEMENT LEAF free-flowing plastic granules with glass fiber content range from injection molding to the disposal of biologically active waste.
- machines with, depending on the needs, cooled or heated housings and with at least two rotating, intermeshing screw conveyors are known, which build up pressure through the forced delivery of the medium in the individual, closed turns of the screw channel, without any effect on the mass transport produce.
- One of the weak points of this construction is the housing; because the delivery pressure creates belt tension in the casing and the friction of the medium leads to abrasion and wear of the inner surfaces. This disadvantage is particularly significant when treating abrasive media or when the high pressures in the medium are of interest in order to increase the frictional forces in the medium.
- the object of the present invention is to enable the setting of the pressure build-up and the internal frictional forces of the forced delivery of the medium in the screw channel of a twin-screw press, with or without reverse thrust, and to increase the service life of the machine.
- the advantages achieved by the invention are essentially for existing tasks, in increasing the consistency of the kneading capacity and despite the fluctuating quality and quantity of the conveyed material (e.g. when starting and extending a batch), in increasing the life of the screw press and thus in increasing the
- FIG. 2 shows the cross section of the screw press from FIG. 1.
- the screw press in FIGS. 1 and 2 consists of the housing 1, the intermeshing screws 2, 3, which are mounted in the front plate 18 and the bearing block 17 and are designed as a retruder with reversing gradients for the purpose of reversing thrust, as a reversing screw .
- the housing 1 is around the screws 2, 3 with the claddings 11 and 12, and in the region of the line of penetration of the screw shell from the screws 2, 3 as an extension of the wear protection of the claddings 11 and 12, with the insert parts 4 and 5 provided.
- the designation "reversing screw” indicates the special property of these screws, because both reversing screws change their conveying direction in the reverse direction in which their pitch angles are inverted.
- Another important property of the two reversing screws 2, 3 is that they rotate in opposite and combing ways. In the area of the reversal points of the helix angles of the screws 2, 3, combing takes place in such a way that the turning ones
- REPLACEMENT LEAF Turns of the reversing worms 2,3 roll like arrow-toothed gears. From the inlet 7, the medium reaches the screw channel of the screws 2, 3 and is forced by the counter-rotation in the individual (from the turns of the screw channel, the inner wall of the housing, which consists of the claddings 11, 12 and the two Insert parts 4.5, the intermeshing screw 2,3) closed gears conveyed to the turning points. From the turning point, the mass transport promoted in the opposite direction presses against this mass flow. Corresponding: the counter pressure of the reverse direction increases the frictional force in the medium. The turn of the reverse direction finally allows the mass transport of the medium to advance to the outlet 8.
- the outlet 8 of the medium closes or narrows and the screw pressure increases as a result of the constraint. Similarly, the screw pressure drops when the outlet 8 is expanded by pushing back the insert.
- the adjustment spindle 20 can be operated both by hand and by a controlled or regulated drive (not shown).
- the quality of the medium such as a bearing of the screws 2, 3 located in the front plate 18, or a pressure sensor (not shown) integrated between the insert part 5 and the bottom of the housing 1 can serve as a control variable.
- the exposed area of the exposed part 5 facing the outlet 8 is decisive for the wear.
- the insert part 5 can be removed through the front plate 18 without disassembling the twin-screw press.
- the housing 1 of the twin-screw press can be provided with a casing (not shown) that is common and / or subdivided as desired, which allows heating and / or cooling.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3999/92 | 1992-12-31 | ||
CH03999/92A CH695764A5 (de) | 1992-12-31 | 1992-12-31 | Doppelschneckenpresse. |
PCT/CH1993/000294 WO1994015769A1 (de) | 1992-12-31 | 1993-12-29 | Gehäuse zur schneckenpresse |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0627979A1 true EP0627979A1 (de) | 1994-12-14 |
Family
ID=4267927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94901728A Ceased EP0627979A1 (de) | 1992-12-31 | 1993-12-29 | Gehäuse zur schneckenpresse |
Country Status (8)
Country | Link |
---|---|
US (1) | US5603564A (de) |
EP (1) | EP0627979A1 (de) |
JP (1) | JP3428994B2 (de) |
KR (1) | KR100311120B1 (de) |
AU (1) | AU5622094A (de) |
CA (1) | CA2131297A1 (de) |
CH (1) | CH695764A5 (de) |
WO (1) | WO1994015769A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3004647B1 (ja) | 1999-04-28 | 2000-01-31 | 株式会社日本製鋼所 | 二軸混練機の混練度調整装置 |
EP1312452B1 (de) * | 2001-11-15 | 2005-05-11 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Knetvorrichtung und Verfahren zum Kneten von Zusammensetzungen auf Kautschukbasis |
DE10233214B4 (de) * | 2002-07-22 | 2005-01-27 | 3+Extruder Gmbh | Extruder zum kontinuierlichen Bearbeiten und/oder Verarbeiten von fließfähigen Materialien |
WO2006034853A1 (de) * | 2004-09-28 | 2006-04-06 | Basf Aktiengesellschaft | Mischkneter sowie verfahren zur herstellung von poly(meth)acrylaten unter verwendung des mischkneters |
JP4977683B2 (ja) * | 2005-03-08 | 2012-07-18 | スティール エンジニアリング プライベート リミテッド | 押出機システム用の二軸装置、材料運搬用の押出機システム |
WO2015120323A1 (en) * | 2014-02-07 | 2015-08-13 | Self John R | Thermomechanical decontamination system and method for infectious waste treatment |
JP6723701B2 (ja) | 2015-07-29 | 2020-07-15 | 川崎重工業株式会社 | バイオマスケーキ加圧供給装置 |
IT201600109942A1 (it) * | 2016-11-02 | 2018-05-02 | Essica Srl | Macchina per impastare |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2488189A (en) * | 1946-11-01 | 1949-11-15 | Dow Chemical Co | Extrusion machine |
US3154808A (en) * | 1962-05-15 | 1964-11-03 | Farrel Corp | Continuous internal stiff-gel mixer |
US3192564A (en) * | 1962-06-20 | 1965-07-06 | Lilon Establishment | Worm press for kneading and displacing plastic masses |
US3419250A (en) * | 1966-10-25 | 1968-12-31 | Read Corp | Continuous mixer discharge control |
US3904719A (en) * | 1968-08-14 | 1975-09-09 | Rudolf Paul Fritsch | Process for the continuous production of vulcanizable mixtures |
US3630689A (en) * | 1969-10-30 | 1971-12-28 | Baker Perkins Inc | Apparatus for reacting and devolatilizing prepolymer and like materials |
DE2005095B2 (de) * | 1970-02-04 | 1975-11-27 | Krauss-Maffei Ag, 8000 Muenchen | Einspritzeinheit einer SpritzgieBmaschine zum Verarbeiten von thermoplastischen Formmassen |
CH497261A (de) * | 1970-04-01 | 1970-10-15 | Stuedli Hans | Schneckengehäuse einer Doppelschneckenpresse |
US3704866A (en) * | 1970-05-28 | 1972-12-05 | Usm Corp | Continuous mixer |
US4310251A (en) * | 1970-11-20 | 1982-01-12 | Intercole Automation, Inc. | Continuous mixer internal pressure control |
BE795449A (fr) * | 1972-02-17 | 1973-08-16 | Intercole Automation Inc | Appareil melangeur |
US3834440A (en) * | 1972-09-15 | 1974-09-10 | Polymer Corp | Method for drying polymeric materials |
US3874090A (en) * | 1972-09-15 | 1975-04-01 | Polysar Ltd | Method and apparatus for drying polymeric materials |
SU595168A1 (ru) * | 1975-07-11 | 1978-02-28 | Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета | Смеситель дл полимерных материалов |
GB1553196A (en) * | 1975-08-20 | 1979-09-26 | London Brick Buildings Ltd | Mixer for and method of mixing particulate constituents |
CA1073170A (en) * | 1975-11-28 | 1980-03-11 | David B. Todd | Multi-barrel continuous material processing machine with a multi-positionable flow controlling saddle part |
JPS55139825A (en) * | 1979-03-29 | 1980-11-01 | Kobe Steel Ltd | Continuous type kneader |
US4380379A (en) * | 1980-08-25 | 1983-04-19 | Fairfield Optical Company, Inc. | Optometric device |
JPS5824405A (ja) * | 1981-08-05 | 1983-02-14 | Kobe Steel Ltd | 連続式混練押出装置の制御装置 |
JPS602329A (ja) * | 1983-06-21 | 1985-01-08 | Toshiba Mach Co Ltd | 2軸押出機の混練度調整装置 |
JPS61266206A (ja) * | 1985-05-20 | 1986-11-25 | Kobe Steel Ltd | 連続混練機の混練制御装置 |
SU1514623A1 (ru) * | 1987-07-27 | 1989-10-15 | Tambovsk I Khim Mash | Устройство для приготовления резинового клея |
FR2632892B1 (fr) * | 1988-06-21 | 1990-12-07 | Clextral | Fourreau pour machine de traitement de matieres en particulier pour une ex-trudeuse a vis |
JPH0299305A (ja) * | 1988-10-07 | 1990-04-11 | Ube Ind Ltd | 2軸混練機 |
SU1761523A2 (ru) * | 1990-07-25 | 1992-09-15 | Тамбовский институт химического машиностроения | Черв чный смеситель дл полимерных материалов |
DE4115591A1 (de) * | 1991-05-14 | 1992-11-19 | Blach Josef A | Vorrichtung zum aufbereiten und strangpressen von werkstoffen |
US5180225A (en) * | 1991-06-07 | 1993-01-19 | Farrel Corporation | Rotor zone cooling apparatus for rotors in continuous mixers of plastic materials |
-
1992
- 1992-12-31 CH CH03999/92A patent/CH695764A5/de not_active IP Right Cessation
-
1993
- 1993-12-29 EP EP94901728A patent/EP0627979A1/de not_active Ceased
- 1993-12-29 JP JP51556294A patent/JP3428994B2/ja not_active Expired - Fee Related
- 1993-12-29 CA CA002131297A patent/CA2131297A1/en not_active Abandoned
- 1993-12-29 AU AU56220/94A patent/AU5622094A/en not_active Abandoned
- 1993-12-29 KR KR1019940703048A patent/KR100311120B1/ko not_active IP Right Cessation
- 1993-12-29 WO PCT/CH1993/000294 patent/WO1994015769A1/de not_active Application Discontinuation
-
1996
- 1996-03-29 US US08/625,045 patent/US5603564A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9415769A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU5622094A (en) | 1994-08-15 |
JP3428994B2 (ja) | 2003-07-22 |
KR950700161A (ko) | 1995-01-16 |
WO1994015769A1 (de) | 1994-07-21 |
CH695764A5 (de) | 2006-08-31 |
CA2131297A1 (en) | 1994-07-21 |
KR100311120B1 (ko) | 2001-12-15 |
US5603564A (en) | 1997-02-18 |
JPH07504372A (ja) | 1995-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: ZIMMERMANN, ANTON |
|
17P | Request for examination filed |
Effective date: 19950403 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ANTOGI AG |
|
17Q | First examination report despatched |
Effective date: 19960613 |
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APAB | Appeal dossier modified |
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APAB | Appeal dossier modified |
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STAA | Information on the status of an ep patent application or granted ep patent |
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18R | Application refused |
Effective date: 20010607 |
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