DE102007022287B4 - extruder mixer - Google Patents
extruder mixer Download PDFInfo
- Publication number
- DE102007022287B4 DE102007022287B4 DE102007022287A DE102007022287A DE102007022287B4 DE 102007022287 B4 DE102007022287 B4 DE 102007022287B4 DE 102007022287 A DE102007022287 A DE 102007022287A DE 102007022287 A DE102007022287 A DE 102007022287A DE 102007022287 B4 DE102007022287 B4 DE 102007022287B4
- Authority
- DE
- Germany
- Prior art keywords
- elongated
- sleeve
- screw tip
- mixer according
- extruder mixer
- 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.)
- Expired - Fee Related
Links
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 description 22
- 241000237858 Gastropoda Species 0.000 description 20
- 239000000463 material Substances 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/425—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw surrounded by a casing provided with grooves or cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/422—Mixing; 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
-
- 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
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
- B29C48/467—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
- B29C48/468—Cavity transfer mixing devices, i.e. a roller and surrounding barrel both provided with cavities; Barrels and rollers therefor
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Die Erfindung betrifft einen Extrudermischer mit einer Extruderschnecke, bestehend aus mindestens einer Hülse (1) und einer darin gelagerten zylindrise (2) längliche Bohrungen (3) und die Hülse (1) längliche Durchbrüche (4) aufweist. Erfindungsgemäß ist dabei vorgesehen, dass die Schneckenspitze (2) mindestens eine partielle radiale Erhöhung (5) aufweist, deren Außendurchmesser (6) größer als der Innendurchmesser (7) der Hülse (1) ist.The invention relates to an extruder mixer with an extruder screw, comprising at least one sleeve (1) and a cylindrical (2) elongated bores (3) mounted therein, and the sleeve (1) having elongate apertures (4). According to the invention, it is provided that the screw tip (2) has at least one partial radial elevation (5) whose outer diameter (6) is greater than the inner diameter (7) of the sleeve (1).
Description
Die Erfindung betrifft einen Extrudermischer mit einer Extruderschnecke, bestehend aus mindestens einer Hülse und einer darin gelagerten zylindrischen Schneckenspitze, wobei die Schneckenspitze längliche Bohrungen und die Hülse längliche Durchbrüche aufweist, wobei die Bohrungen und die Durchbrüche miteinander in fluidischer Verbindung stehen.The Invention relates to an extruder mixer with an extruder screw, consisting of at least one sleeve and a cylindrical screw tip mounted therein, wherein the snail tip oblong Holes and the sleeve elongated breakthroughs having, wherein the bores and the apertures with each other in fluidic Connection stand.
Gattungsgemäße Mischer
sind aus der
Derartige Extrudermischer sind in erster Linie für Viskoseflüssigkeiten wie geschmolzener Kunststoff und Gummis gedacht, bei denen das Mischgut aus einer Vertiefung heraus in andere Vertiefungen oder Bohrungen übergeben wird. Derartige Extrudermischer werden üblicherweise als „cavity-transfer type" Mischer bezeichnet.such Extruder mixers are primarily for viscous liquids, such as molten plastic and rubbers, where the mix from a depression out into other wells or wells. Such extruder mixer become common as a "cavity-transfer type "mixer called.
Aufgabe der vorliegenden Erfindung ist es, einen bestehenden Extrudermischer dahingehend zu verbessern, dass eine Übergabe des zu mischenden Materials innerhalb der Vertiefungen oder Bohrungen jederzeit gewährleistet ist. Eine weitere Aufgabe besteht darin, diese Übergabe auch sicherzustellen, wenn beispielsweise durch eine Beschädigung die Spitze der Schnecke (des Extruders) bricht.task The present invention is an existing extruder mixer to improve that a transfer of the material to be mixed guaranteed within the wells or holes at any time is. Another task is to ensure this handover, though for example due to damage the tip of the screw (the extruder) breaks.
Die Lösung ist in Verbindung mit dem Oberbegriff des Anspruches 1 dadurch gekennzeichnet, dass die Schneckenspitze mindestens eine partielle radiale Erhebung aufweist, deren Außendurchmesser größer als der Innendurchmesser der Hülse ist. Durch diese Ausgestaltung ist sichergestellt, dass bei einem Bruch der Schneckenspitze diese nicht aus der Hülse entweichen kann.The solution is in connection with the preamble of claim 1, characterized in that the screw tip has at least a partial radial elevation, its outer diameter greater than the inner diameter of the sleeve is. This configuration ensures that at a Breakage of the screw tip this can not escape from the sleeve.
Damit das zu mischende Kunststoffmaterial auch in den vorderen Bereich der Schneckenspitze gelangen kann, ist weiterbildungsgemäß vorgesehen, dass die Erhebung in Umfangsrichtung partiell unterbrochen ist und im unterbrochenen Bereich eine längliche Nut angeordnet ist. Es ist also in dem Bereich ohne eine radiale Erhöhung eine längliche Nut angeordnet.In order to the plastic material to be mixed also in the front area the screw tip can reach, is provided according to further education, that the survey is partially interrupted in the circumferential direction and in the broken area an oblong Nut is arranged. So it's in the area without a radial one increase an elongated one Grooved arranged.
Die längliche Nut steht vorteilhafterweise mit einer länglichen Bohrung in Verbindung und vereinigt sich mit dieser. Es kann also zu mischendes Material von der länglichen Nut in die längliche Bohrung gelangen.The elongated Groove is advantageously associated with an elongated bore and unites with this. So it can be mixed material from the elongated one Groove in the elongated Drill hole.
Um den Mischungseffekt zu erzeugen, d. h. den Transport des zu mischende Materials in eine Vertiefung hinein und aus der Vertiefung hinaus sicherzustellen, ist vorgesehen, die länglichen Bohrungen über die Schneckenspitze in axialer Richtung zu verteilen. Die länglichen Bohrungen bilden somit eine komplette Bohrreihe in axialer Richtung. Die Bohrungen sind zueinander beabstandet, wobei dies vorzugsweise gleichmäßig der Fall ist.Around to produce the mixing effect, d. H. the transport of the to be mixed Material into a recess and out of the recess is provided, the elongated holes over the Distribute the screw tip in the axial direction. The elongated ones Holes thus form a complete row of holes in the axial direction. The holes are spaced from each other, preferably evenly Case is.
Dieses Bohrbild wiederholt sich weiterbildungsgemäß um den Umfang der Schneckenspitze. Hierbei ist jedoch vorgesehen, dass sich jede zweite Reihe zur ersten Reihe versetzt ausbildet, wobei der Versatz mindestens 30–60% der Länge einer Bohrung beträgt. Dies hat den Vorteil, dass eine quer verlaufende Bohrung in der die Schneckenspitze umhüllenden Hülse zwei benachbarte Bohrungen in der Schneckenspitze überlappt, weshalb auch erfindungsgemäß vorgesehen ist, dass sich die in Umfangsrichtung erstreckenden länglichen Durchbrüche in der Hülse in axialer Richtung wiederholen, wobei auch hier jede zweite Anordnung der länglichen Durchbrüche um mindestens 30–60% der Länge eines Durchbruches verdreht angeordnet ist. Es ist somit sichergestellt, dass eine Mehrzahl von länglichen Bohrungen mit einer Mehrzahl von länglichen Durchbrüchen überlappt.This The drilling pattern is repeated according to the training around the circumference of the screw tip. in this connection However, it is intended that every other row to the first row offset, wherein the offset is at least 30-60% of Length of one Bore is. This has the advantage that a transverse bore in the enveloping the snail tip Two sleeve adjacent holes in the screw tip overlaps, which is why provided according to the invention is that extending in the circumferential direction oblong Breakthroughs in the sleeve Repeat in the axial direction, with every other arrangement the elongated breakthroughs at least 30-60% the length a breakthrough is arranged twisted. It is thus ensured that a plurality of elongated holes with a plurality of elongated ones Breakthroughs overlap.
Damit das zu mischende Material bei jeder Stellung der Schneckenspitze zur Hülse durch das gesamte Gebilde gefördert werden kann, ist weiterbildungsgemäß vorgesehen, dass die Länge einer länglichen Bohrung und/oder der axiale Abstand der länglichen Durchbrüche so gewählt ist, dass mindestens eine fluidische Verbindung, in Extrusionsrichtung betrachtet, zwischen dem Bereich vor der partiell radialen Erhöhung und dem Raum um die Hülse erhalten bleibt.In order to the material to be mixed at each position of the screw tip to the sleeve promoted through the entire structure can be, is further education provided that the length of an elongated Bore and / or the axial distance of the elongated apertures is chosen so that at least one fluidic connection, in the extrusion direction considered, between the area before the partial radial increase and the space around the sleeve remains.
Diese fluidische Verbindung bleibt auch erhalten, wenn beispielsweise die Schnecke brechen sollte, denn in diesem Fall würde die Schneckenspitze wie oben erwähnt mit ihrer radialen Erhöhung an der Hülse anschlagen, weshalb weiterbildungsgemäß vorgesehen ist, dass die fluidische Verbindung erhalten bleibt, wenn die Schneckenspitze mit einer Fläche, die sich an der radialen Erhöhung befindet, an der Hülse anliegt.These fluidic connection is maintained even if, for example the snail should break, because in this case the Screw tip as mentioned above with its radial elevation on the sleeve suggest why training is provided that the fluidic connection is maintained when the screw tip with an area, which are at the radial increase located on the sleeve is applied.
In den Zeichnungen ist schematisch ein Ausführungsbeispiel der Erfindung wiedergegeben.In The drawings schematically show an embodiment of the invention played.
In
Die
erhaltene fluidische Verbindung in jeder Stellung der Schneckenspitze
Anhand
der nachfolgenden Erläuterung
wird dargestellt, wie die Kunststoffschmelze die einzelnen Bereiche
durchläuft,
wobei die Mehrzahl der Nuten
Wie
aus
Ähnlich verhält es sich,
wenn der Zwischenring
Der Schmelzestrom fließt über die Schneckenspitze
The melt stream flows over the screw tip
Im
Falle eines Schneckenbruchs wird die Schneckenspitze
Es wird also in jeder Lage der Schneckenspitze zur Hülse sichergestellt, dass der Schmelzefluss erhalten bleibt.It is thus ensured in every position of the screw tip to the sleeve, that the melt flow is maintained.
- 11
- Hülseshell
- 22
- Schneckenspitzescrew tip
- 33
-
längliche
Bohrung in
2 elongated hole in2 - 44
-
länglicher
Durchbruch in
1 elongated breakthrough in1 - 55
-
Erhebung
an
1 Collection1 - 66
-
Außendurchmesser
von
5 Outside diameter of5 - 77
-
Innendurchmesser
von
1 Inside diameter of1 - 88th
- längliche Nutelongated groove
- 99
-
Fläche an
5 Surface on5 - 1010
-
Bereich
vor
5 Area in front5 - 1111
-
Raum
um
1 Room around1 - 1212
- Zwischenringintermediate ring
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007022287A DE102007022287B4 (en) | 2007-05-12 | 2007-05-12 | extruder mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007022287A DE102007022287B4 (en) | 2007-05-12 | 2007-05-12 | extruder mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102007022287A1 DE102007022287A1 (en) | 2008-11-13 |
| DE102007022287B4 true DE102007022287B4 (en) | 2009-01-22 |
Family
ID=39829425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102007022287A Expired - Fee Related DE102007022287B4 (en) | 2007-05-12 | 2007-05-12 | extruder mixer |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102007022287B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021002064A1 (en) | 2021-04-20 | 2022-10-20 | Bb Engineering Gmbh | extruder mixer |
| CN119654221A (en) | 2022-08-04 | 2025-03-18 | Bb工程公司 | Extruder mixer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT393989B (en) * | 1982-03-15 | 1992-01-10 | Rapra Techn Ltd | EXTRUDER MIXER |
-
2007
- 2007-05-12 DE DE102007022287A patent/DE102007022287B4/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT393989B (en) * | 1982-03-15 | 1992-01-10 | Rapra Techn Ltd | EXTRUDER MIXER |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007022287A1 (en) | 2008-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BATTENFELD-CINCINNATI AUSTRIA GMBH, WIEN, AT |
|
| R081 | Change of applicant/patentee |
Owner name: BATTENFELD-CINCINNATI AUSTRIA GMBH, AT Free format text: FORMER OWNER: CINCINNATI EXTRUSION GMBH, WIEN, AT Effective date: 20110207 |
|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
| R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: B29C0047600000 Ipc: B29C0048510000 |