DE3827422A1 - Jarring mechanism for the compaction of mouldings - Google Patents
Jarring mechanism for the compaction of mouldingsInfo
- Publication number
- DE3827422A1 DE3827422A1 DE3827422A DE3827422A DE3827422A1 DE 3827422 A1 DE3827422 A1 DE 3827422A1 DE 3827422 A DE3827422 A DE 3827422A DE 3827422 A DE3827422 A DE 3827422A DE 3827422 A1 DE3827422 A1 DE 3827422A1
- Authority
- DE
- Germany
- Prior art keywords
- jarring
- compaction
- vibration
- piston
- cylinder
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 9
- 238000005056 compaction Methods 0.000 title abstract description 5
- 230000007246 mechanism Effects 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 abstract description 2
- 235000010210 aluminium Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
- B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/022—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space whereby the material is subjected to vibrations
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
- C25C3/125—Anodes based on carbon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Rüttelanlage zur Ver dichtung von Formkörpern, insbesondere zur Herstellung von Kohleelektroden für die Aluminium-Industrie, bestehend aus einem auf Federn schwingfähig gelagerten Rütteltisch mit daran angeordnetem Schwingungserreger.The invention relates to a vibration system for Ver sealing of moldings, in particular for the production of Carbon electrodes for the aluminum industry, consisting of with a vibrating table mounted on springs vibration exciter arranged thereon.
Bei den bisher bekannten Rüttelanlagen, insbesondere zur Herstellung von Kohleelektroden für die Aluminium-Indu strie, hat man, wie beispielsweise der deutschen Offenle gungsschrift 34 45 936 zu entnehmen ist, als Schwingungs erreger gegenläufig rotierende Unwuchten am Rütteltisch angeordnet. Mit Hilfe dieser gegenläufig rotierenden Un wuchten kann zwar durch Veränderung der Drehzahl auf die beim Rüttelvorgang bzw. Verdichtungsprozeß jeweils erfor derliche Frequenz Einfluß genommen werden, nicht aber auf die für die Verdichtung des jeweiligen Formkörpers erfor derliche Schwingungsamplitude. Um dies zu erreichen, müßte man daher bei den bisher bekannten Rüttelanlagen zur Ver dichtung des Formkörpers die Rüttelanlage von Zeit zu Zeit außer Betrieb setzen und den Rüttelantrieb mit jeweils entsprechend geänderten Unwuchtmassen versehen. Dies ist jedoch aus betriebstechnischen Gründen nicht realisierbar. In the previously known vibration systems, especially for Manufacture of carbon electrodes for aluminum ind strie, you have, such as the German Offenle 34 34 936 can be seen as vibration exciter counter rotating imbalances on the vibrating table arranged. With the help of this counter rotating Un can balance on the by changing the speed in each case during the shaking process or compaction process frequency are influenced, but not on necessary for the compression of the respective molded body vibration amplitude. To achieve this would need one therefore in the previously known vibration systems for ver sealing of the molded body from time to time put out of operation and the vibratory drive with each provided with correspondingly changed unbalance masses. This is but not feasible for operational reasons.
Die Aufgabe der Erfindung besteht darin, die Rüttelanla ge zur Verdichtung von Formkörpern mit einem Schwingungs erreger zu versehen, der nicht nur eine beliebige Verände rung der Rüttelfrequenz, sondern auch eine beliebige, stu fenlose Veränderung der Schwingungsamplitude der Rüttelan lage während des Betriebes ermöglicht.The object of the invention is the vibrating system ge for the compression of moldings with a vibration exciter to provide not just any changes tion of the vibration frequency, but also any stu seamless change in the vibration amplitude of the vibrators location during operation.
Die Aufgabe wird dadurch gelöst, daß der Schwingungserre ger aus einer über Druckmedien gesteuerten, im wesentli chen vertikal angeordneten Kolben-Zylindereinheit besteht, bei der die Kolbenstange mit einer Schwungmasse und der Zylinder mit dem Rütteltisch fest verbunden ist.The object is achieved in that the vibration exciter ger from a controlled by print media, essentially Chen vertically arranged piston-cylinder unit, where the piston rod with a flywheel and the Cylinder is firmly connected to the vibrating table.
Durch die als Schwingungserreger ausgebildete Kolben-Zy lindereinheit kann in einfacher Weise der Hub des Kolbens mit der an der Kolbenstange befestigten Schwungmasse und damit die Schwingungsamplitude des Rütteltisches stufenlos verändert werden. Der erfindungsgemäß ausgebildete Schwingungserreger ist daher besonders für den Einsatz bei Rüttelanlagen zur Herstellung von verhältnismäßig groß dimensionierten, hochverdichteten Formkörpern, insbesonde re für die Herstellung von Kohleelektroden für die Alumi nium-Industrie, geeignet.Due to the piston-zy Lindereinheit can easily lift the piston with the flywheel attached to the piston rod and thus the vibration amplitude of the vibrating table is infinitely variable to be changed. The trained according to the invention Vibration exciter is therefore particularly suitable for use with Vibrators for the production of relatively large dimensioned, high-density molded bodies, in particular re for the production of carbon electrodes for the Alumi nium industry, suitable.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Erläuterung eines in der Zeichnung schematisch dargestellten Ausführungsbei spieles.Further details, features and advantages of the invention result from the following explanation of an in the drawing shown schematically game.
Bei der in der Zeichnung dargestellten Vorrichtung handelt es sich um eine Rüttelanlage zur Herstellung von Kohle elektroden für die Aluminium-Industrie. Diese Rüttelanlage besteht aus einem auf Gummipuffern (1) und (2) schwingfä hig gelagerten Rütteltisch (3) mit Formkasten (4) und Deckgewicht (5). Am Rütteltisch (3) ist als Schwingungser reger gemäß der Erfindung eine doppeltwirkende Kolben-Zy lindereinheit (6, 7) angeordnet, bei der die Kolbenstange (8) mit einer Schwungmasse (9) und der Zylinder (7) mit dem Rütteltisch (3) fest verbunden ist. Seitlich am Zylin der (7) der doppeltwirkenden Kolben-Zylindereinheit befin det sich eine elektro-hydraulische Ventil-Steuerung (10), die sehr vorteilhaft die periodische Zu- und Abfuhr der Druckmedien über die Leitungen (11) und (12) in den Zylin der (7) ober-und unterhalb des Kolbens (6) so steuert, daß die mit dem Kolben (6) über die Kolbenstange (8) verbunde ne Schwungmasse (9) periodisch in Schwingungen versetzt wird.The device shown in the drawing is a vibrating system for the production of carbon electrodes for the aluminum industry. This vibrating system consists of a vibrating table ( 3 ) with molded box ( 4 ) and cover weight ( 5 ), which is mounted on rubber buffers ( 1 ) and ( 2 ). On the vibrating table ( 3 ) as a vibration exciter according to the invention, a double-acting piston-cylinder unit ( 6 , 7 ) is arranged, in which the piston rod ( 8 ) with a flywheel ( 9 ) and the cylinder ( 7 ) with the vibrating table ( 3 ) is firmly connected. On the side of the cylinder ( 7 ) of the double-acting piston-cylinder unit is an electro-hydraulic valve control ( 10 ), which is very advantageous for the periodic supply and discharge of the pressure media via lines ( 11 ) and ( 12 ) in the cylinder the ( 7 ) controls above and below the piston ( 6 ) so that the flywheel mass ( 9 ) connected to the piston ( 6 ) via the piston rod ( 8 ) is periodically set in vibration.
Im Betrieb der Rüttelanlage werden diese in vertikaler Richtung wirkenden periodischen Schwingungen der Schwung masse (9) auf den Rütteltisch (3) und von dort zur Ver dichtung der im Formkasten (4) befindlichen Materialien (13) auf das Deckgewicht (5) übertragen. Mit Hilfe dieses erfindungsgemäß ausgebildeten Schwingungserregers kann hierbei sehr vorteilhaft während des Betriebes der Rüttel anlage sowohl die Frequenz als auch die Schwingungsampli tude verändert und dadurch die Schwingmassenkräfte optimal an die im Formkasten (4) zu verdichtenden Materialen ange paßt werden. Die Veränderung der Schwingungsamplitude erfolgt hierbei in einfacher Weise durch Veränderung der Hubhöhe des Kolbens (6) im Zylinder (7), die ebenso wie die Frequenz durch die Ansteuerung der elektro-hydrauli schen Ventilsteuerung (10) vorgegeben werden kann. Zur Erzeugung der Schwingungserregung können im übrigen sehr vorteilhaft sowohl hydraulische als auch pneumatische Druckmedien Anwendung finden.During operation of the vibrating system, these periodic vibrations of the flywheel mass ( 9 ) acting in the vertical direction are transferred to the vibrating table ( 3 ) and from there to seal the materials ( 13 ) located in the molding box ( 4 ) to the cover weight ( 5 ). With the help of this vibration exciter designed according to the invention, both the frequency and the vibration amplitudes can be changed very advantageously during operation of the vibrating system and thereby the vibrational inertia forces can be optimally adapted to the materials to be compressed in the molding box ( 4 ). The change in the vibration amplitude takes place in a simple manner by changing the lifting height of the piston ( 6 ) in the cylinder ( 7 ), which, like the frequency, can be predetermined by the control of the electro-hydraulic valve control ( 10 ). In addition, both hydraulic and pneumatic pressure media can very advantageously be used to generate the vibration excitation.
Claims (3)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3827422A DE3827422C2 (en) | 1988-08-12 | 1988-08-12 | Vibrating system for the compression of molded bodies |
FR898910349A FR2635337B1 (en) | 1988-08-12 | 1989-08-01 | VIBRATION PLANT FOR COMPACTING MOLDING MATERIALS |
NO89893244A NO893244L (en) | 1988-08-12 | 1989-08-11 | Vibration Device for Compression of Formulas. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3827422A DE3827422C2 (en) | 1988-08-12 | 1988-08-12 | Vibrating system for the compression of molded bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3827422A1 true DE3827422A1 (en) | 1990-02-22 |
DE3827422C2 DE3827422C2 (en) | 1997-02-20 |
Family
ID=6360739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3827422A Expired - Fee Related DE3827422C2 (en) | 1988-08-12 | 1988-08-12 | Vibrating system for the compression of molded bodies |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3827422C2 (en) |
FR (1) | FR2635337B1 (en) |
NO (1) | NO893244L (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109702144A (en) * | 2017-10-25 | 2019-05-03 | 天津市东达伟业机车车辆有限公司 | A kind of sand core core box with inserted chill |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6001236A (en) | 1992-04-01 | 1999-12-14 | Moltech Invent S.A. | Application of refractory borides to protect carbon-containing components of aluminium production cells |
US5651874A (en) | 1993-05-28 | 1997-07-29 | Moltech Invent S.A. | Method for production of aluminum utilizing protected carbon-containing components |
US5413689A (en) * | 1992-06-12 | 1995-05-09 | Moltech Invent S.A. | Carbon containing body or mass useful as cell component |
US5753163A (en) | 1995-08-28 | 1998-05-19 | Moltech. Invent S.A. | Production of bodies of refractory borides |
DE10044677B4 (en) * | 2000-09-09 | 2009-07-30 | Outokumpu Oyj | Vibrating machine for the molding of unfired anode blocks, in particular for aluminum pain flow electrolysis |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3445936A1 (en) * | 1984-12-17 | 1986-06-26 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Covering-weight arrangement of a shaking apparatus for the production of shaped bodies |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH518125A (en) * | 1970-10-22 | 1972-01-31 | Von Roll Ag | Device for the production of blocks |
CH603286A5 (en) * | 1975-10-10 | 1978-08-15 | Von Roll Ag | |
DE3638207A1 (en) * | 1986-11-08 | 1988-05-11 | Netter Gmbh | Process for producing purpose-made concrete blocks, and apparatus for carrying out the process |
-
1988
- 1988-08-12 DE DE3827422A patent/DE3827422C2/en not_active Expired - Fee Related
-
1989
- 1989-08-01 FR FR898910349A patent/FR2635337B1/en not_active Expired - Fee Related
- 1989-08-11 NO NO89893244A patent/NO893244L/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3445936A1 (en) * | 1984-12-17 | 1986-06-26 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Covering-weight arrangement of a shaking apparatus for the production of shaped bodies |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109702144A (en) * | 2017-10-25 | 2019-05-03 | 天津市东达伟业机车车辆有限公司 | A kind of sand core core box with inserted chill |
Also Published As
Publication number | Publication date |
---|---|
FR2635337A1 (en) | 1990-02-16 |
NO893244D0 (en) | 1989-08-11 |
NO893244L (en) | 1990-02-13 |
FR2635337B1 (en) | 1992-03-13 |
DE3827422C2 (en) | 1997-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: CASPELHERR, HEINZ, 51147 KOELN, DE |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |