EP0490148A2 - Procédé et installation de conduite d'une presse à agglomérés - Google Patents
Procédé et installation de conduite d'une presse à agglomérés Download PDFInfo
- Publication number
- EP0490148A2 EP0490148A2 EP91120014A EP91120014A EP0490148A2 EP 0490148 A2 EP0490148 A2 EP 0490148A2 EP 91120014 A EP91120014 A EP 91120014A EP 91120014 A EP91120014 A EP 91120014A EP 0490148 A2 EP0490148 A2 EP 0490148A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- filling container
- briquetting press
- stroke
- filling
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
-
- 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
- B30B11/005—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
- B30B9/327—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for briquetting scrap metal
Definitions
- the invention relates to a method and a device for operating a briquetting press, in particular a vertically working briquetting press, preferably for small-sized, pourable metal parts, such as waste from machining, with a filling container upstream of a press chamber receiving a press ram.
- a vertical type of briquetting press of this type has become known from DE-AS 10 68 169.
- a plunger arranged in the funnel-shaped pre-filling chamber there which plunger arranged in front of the filling chamber accommodating the movable plunger, has radially outwardly projecting wings.
- the wings support the conveyance of the material consisting partly of helically or spirally rolled chips and partly consisting of granular chips of widely differing grain sizes into the press chamber.
- a known from DE-PS 23 13 343, working horizontally briquetting press for compacting metal chips an axially displaceable container which, with a filling opening lying transversely to the longitudinal axis of the press, faces a funnel which feeds the uncompressed material vertically.
- a matrix is firmly connected to the container, in which the briquette is formed, in that a hydraulic press ram arranged coaxially with the matrix moves into the container and into the matrix and compresses the material in the matrix space, which is closed at the end by a fixed plate in the pressing position. Since the compressibility of small, e.g.
- pourable metal chips is very different depending on the material - as there are different toughnesses and specific weights - there are, for example, very large differences in bulk density between steel and aluminum, and the bulk density of the uncompressed material (e.g. brass, copper, Bronze, gray cast iron, aluminum, steel) is decisive for the briquette height, briquettes with correspondingly large height deviations are produced in this press - because the pressure is constant.
- uncompressed material e.g. brass, copper, Bronze, gray cast iron, aluminum, steel
- One and the same maximum pressing pressure provides a high briquette with the same filling length or height of the pressing chamber when processing material with a high bulk density, because the pressing punch in the die comes to a standstill after a relatively short path.
- the container is moved back in this known briquetting press in order to allow the finished briquette to fall out downwards. This results in idle times, because a briquette of lower height falls out of the much earlier Container out as a briquette of great height.
- the return of the container is either larger or smaller, ie the lower the briquette, the greater the idle distance.
- part of a limit switch (contact or stop) is attached to the container and the other part (stop or contact) is attached to the press ram. If low briquettes are produced, the ram moves deep into the die, which also reduces the distance between the stop on the container and the limit switch. In order to let the briquette fall out, the container is then moved back - with the press ram remaining in the press end position - by a distance which corresponds to the briquette height.
- the invention has for its object to provide a method and an apparatus of the type mentioned that enable a more efficient mode of operation of a briquetting press and in particular allow time-saving production of briquettes of the same size.
- This object is achieved for the method in that material in the filling container up to one predetermined weight filled, the respective level is determined and the starting position of the ram for the working stroke is set depending on the level.
- the additionally controlled weight of the filling quantity which can always be the same regardless of the different bulk densities for the different materials, means that briquettes can always be produced with the same weight and - with the same specific weight of the starting material - with the same height. Even if material with changing properties in terms of bulk density (assuming the same specific weight) is fed in, it is not necessary to adjust or set the operating parameters of the briquetting press beforehand in order to obtain briquettes of the same height and weight.
- the filling container is assigned weight and fill level sensors and the fill level sensors electrically connected to the stroke limit switches of the ram. Due to the possible interaction between the preferably non-contact fill level sensors and the stroke limit switches, when the predetermined weight of the fill quantity is reached, on the one hand a signal interrupting the material supply and on the other hand, from the fill level sensors, a return stroke of the ram in signal from the press chamber corresponding to the level of the replenished material quantity.
- inductive limit switches arranged in series in the stroke direction form the level sensors and stroke limit switches, a number corresponding to the fill level is addressed or occupied by the limit switches or proximity switches arranged on the filling container and the same number correspondingly by the stroke limit switches arranged on the press rendered ineffective.
- the return stroke of the ram which preferably has a switching flag assigned to the stroke limiting switches, is limited as soon as the switching flag comes into contact with a still active stroke limiting switch (proximity switch).
- the plunger is always assigned a limit switch more than the filling container, so that a plunger stroke can also be triggered when all the limit switches of the filling container are occupied.
- induction limit switches for example, induction loops could also be used as sensors.
- the filling container is made of poorly conductive material, such as ceramic or glass.
- poorly electrical conductivity takes into account the fact that according to scientific understanding all materials are electrically conductive, so that a distinction is only made between better or poorly conductive materials, the conductivity of the latter practically going to zero (cf. "Taschenbuch Elektrotechnik", Volume 1, page 522, Carl Hansa Verlag).
- the hopper be preceded by a funnel on the inlet side, which hopper has a leakage stop that is electrically connected to the weight sensor.
- the filling container is advantageously movably suspended with the interposition of a load cell. As soon as the soli value for the weight of the filling quantity is reached, the load cell emits a signal, whereupon the funnel with the spout lock is closed, thus preventing further material supply from the funnel.
- a closing wall can be arranged on the outlet side. This only then opens the passage for filling the material into the pressing chamber of the briquetting press, which advantageously has the same diameter as the filling container, e.g. signal operated after the briquette produced in the previous press stroke has been ejected by means of a pulse of a press plate. Then the wall is put back into the position blocking the outlet end of the filling container.
- a briquetting press 1 shown schematically in cross-section and constructed in vertical construction, is fed by a speed-adjustable continuous conveyor 2 (endless belt or vibrating trough) and the material 3 to be briquetted is thrown into a hopper 4.
- the funnel 4 is set up on the foundation separately from the briquetting press via a support frame 5.
- a cylindrical filling container 6 with a linkage 7 is movably suspended in the support frame 5 with the interposition of a load cell 8. The separation between the support frame 5 and the briquetting press 1 takes place with due regard to the sensitive load cell 8.
- the load cell 8 is electrically connected to the funnel 4 by a corresponding signal from the load cell 8, arranged between the funnel 4 and the inlet end 9 of the filling container 6 Exhaust lock 11 connected.
- the filling container 6 is also assigned fill level sensors 12 in the form of five inductive limit switches 15 arranged in series in the stroke direction 13 of a press ram 14.
- the outlet end 16 of the tubular filling container 6 is closed with a closing wall 17 which is opened in a signal-actuated manner for filling a pressing chamber 18, so that the amount of material stored in the filling container 6 can fall down into the pressing chamber 18 due to gravity.
- the filling container 6 and the press chamber 18 have the same inner diameter.
- the outlet lock 11 and the closing wall 17 are designed as reciprocating slides and are guided in a tightly closing manner between the areas to be separated from one another; Large distances are present in the exemplary embodiment merely for the sake of a better drawing.
- the press chamber 18 is arranged in a press pot 19 below a counter crossmember 21, which is connected via columns 22 to the lower press part designed as a press cylinder 23.
- the plunger 25 of the ram 14 is mounted in a pressure chamber 24 connected to pressure medium connections, not shown.
- the press ram 14 is provided with a switching flag 26, to which six stroke limit switches 27 in the form of inductive limit switches 28 arranged in series in the lower press part in the stroke direction 13 are assigned.
- a press plate 32 which is displaceable transversely to the stroke direction 13 is arranged by means of a displacement cylinder 31.
- the height h of the press plate 32 and thus of the free space 29 corresponds to the maximum height h 'of a finished briquette 33 - illustrated in the drawing by crossing lines - so that the press plate 32 can simultaneously serve as a briquette ejector.
- the press plate 32 is shifted from its position shown in the drawing to the right, the briquette 33 is pushed into the free space 29 by means of the press ram 34 and then ejected by means of the press plate 32, which is then moved briefly and to the left.
- the filling level in the filling container 6 has been determined at the same time - the lower three switches are activated in the example shown - and on the basis of the electrical connection the limit switch 15 of the filling container 6 with the limit switches 28 of the press ram 14 one of the sequence of the occupied, lower three limit switches 15 corresponding number of limit switches 28 set ineffective, ie in the example shown, the - seen in the direction of the downward arrowhead of the double arrow 13 - upper three ram limit switches 28 ineffective.
- the press ram 14 is therefore only retracted in the press chamber 18 until its switching flag 26 comes into contact with a non-ineffective - in the example shown the fourth from above - limit switch 28.
- the free space remaining over the end face 34 of the press ram 14 in the press chamber 18 thus corresponds to the fill level or the height which the material 3 filled in the fill container 6 occupies.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Press Drives And Press Lines (AREA)
- Control Of Presses (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4039788 | 1990-12-13 | ||
DE4039788A DE4039788A1 (de) | 1990-12-13 | 1990-12-13 | Verfahren und vorrichtung zum betreiben einer brikettierpresse |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0490148A2 true EP0490148A2 (fr) | 1992-06-17 |
EP0490148A3 EP0490148A3 (en) | 1994-05-25 |
EP0490148B1 EP0490148B1 (fr) | 1996-02-28 |
Family
ID=6420220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91120014A Expired - Lifetime EP0490148B1 (fr) | 1990-12-13 | 1991-11-23 | Procédé et installation de conduite d'une presse à agglomérés |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0490148B1 (fr) |
AT (1) | ATE134711T1 (fr) |
DE (2) | DE4039788A1 (fr) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0962305A2 (fr) * | 1998-06-05 | 1999-12-08 | FUJI MACHINE Mfg. Co., Ltd. | Dispositif de compression de copeaux |
WO2000063005A1 (fr) * | 1999-04-19 | 2000-10-26 | Svedala Lindemann Gmbh | Procede de briquetage de copeaux metalliques et presse a briqueter |
EP1125725A2 (fr) * | 2000-02-15 | 2001-08-22 | DANESE MAURIZIO s.r.l. | Presse à balles pour déchets solides et humides |
EP1199150A2 (fr) * | 2000-10-16 | 2002-04-24 | Dorst-Maschinen- und Anlagenbau GmbH & Co. | Procédé et dispositif pour la détermination des paramètres pour le pressage d'articles de contruction complexe |
US7229263B2 (en) | 2002-11-22 | 2007-06-12 | Dorst Technologies Gmbh & Co. Kg | Pressing device for manufacturing of shaped compacts from pulverized material |
FR2973273A1 (fr) * | 2011-04-04 | 2012-10-05 | Forezienne Hydraulique Et Pneumatique Sfh Soc | Procede de traitement des boues d'usinage pour la fabrication de briquettes reutilisables en produits secondaires, et la machine de mise en oeuvre du procede |
US8726800B2 (en) | 2010-08-23 | 2014-05-20 | 9177-4331 Québec inc. | Method and mechanical press system for the generation of densified cylindrical briquettes |
CN103941629A (zh) * | 2014-04-01 | 2014-07-23 | 江苏永钢集团有限公司 | 双轮摩擦压砖机锤次监控装置 |
US10259184B2 (en) * | 2017-04-03 | 2019-04-16 | Ford Motor Company | Aluminum dust collection and compacting apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007056330A1 (de) * | 2007-11-22 | 2009-05-28 | Egon Evertz Kg (Gmbh & Co.) | Verfahren und Vorrichtung zur Herstellung von bindemittellosen Presskörpern aus Metallspänen und/oder Metallstäuben |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1068169B (de) * | 1960-03-31 | Waldemar I mdemann Düsseldorf | Brikettierpresse | |
DE3002420A1 (de) * | 1980-01-24 | 1981-07-30 | Werner & Pfleiderer, 7000 Stuttgart | Presse zum verdichten schuettfaehiger massen zu bloecken |
JPS57106497A (en) * | 1980-12-24 | 1982-07-02 | Yoshitsuka Seiki:Kk | Powder forming press having die table provided with eddy current type position detector |
SU1052427A1 (ru) * | 1982-08-17 | 1983-11-07 | Днепропетровский Металлургический Институт | Пресс пакетировочный |
EP0367859A1 (fr) * | 1988-11-11 | 1990-05-16 | Hans Ruf | Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé |
-
1990
- 1990-12-13 DE DE4039788A patent/DE4039788A1/de not_active Withdrawn
-
1991
- 1991-11-23 EP EP91120014A patent/EP0490148B1/fr not_active Expired - Lifetime
- 1991-11-23 DE DE59107466T patent/DE59107466D1/de not_active Expired - Fee Related
- 1991-11-23 AT AT91120014T patent/ATE134711T1/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1068169B (de) * | 1960-03-31 | Waldemar I mdemann Düsseldorf | Brikettierpresse | |
DE3002420A1 (de) * | 1980-01-24 | 1981-07-30 | Werner & Pfleiderer, 7000 Stuttgart | Presse zum verdichten schuettfaehiger massen zu bloecken |
JPS57106497A (en) * | 1980-12-24 | 1982-07-02 | Yoshitsuka Seiki:Kk | Powder forming press having die table provided with eddy current type position detector |
SU1052427A1 (ru) * | 1982-08-17 | 1983-11-07 | Днепропетровский Металлургический Институт | Пресс пакетировочный |
EP0367859A1 (fr) * | 1988-11-11 | 1990-05-16 | Hans Ruf | Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 6, no. 201 (M-163) (1079) 13. Oktober 1982 & JP-A-57 106 497 (YOSHITSUKA SEIKI) 2. Juli 1982 * |
SOVIET INVENTIONS ILLUSTRATED Section PQ, Week 8429, 29. August 1984 Derwent Publications Ltd., London, GB; Class P71, AN 84-180675 & SU-A-1 052 427 (DNEPR METAL INST) 7. November 1983 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0962305A2 (fr) * | 1998-06-05 | 1999-12-08 | FUJI MACHINE Mfg. Co., Ltd. | Dispositif de compression de copeaux |
EP0962305A3 (fr) * | 1998-06-05 | 2000-08-09 | FUJI MACHINE Mfg. Co., Ltd. | Dispositif de compression de copeaux |
US6272981B1 (en) | 1998-06-05 | 2001-08-14 | Fuji Machine Mfg. Co., Ltd. | Chip compressing apparatus |
WO2000063005A1 (fr) * | 1999-04-19 | 2000-10-26 | Svedala Lindemann Gmbh | Procede de briquetage de copeaux metalliques et presse a briqueter |
US6941860B2 (en) | 1999-04-19 | 2005-09-13 | Metso Lindemann Gmbh | Method of briquetting metal chips and briquetting press |
EP1125725A2 (fr) * | 2000-02-15 | 2001-08-22 | DANESE MAURIZIO s.r.l. | Presse à balles pour déchets solides et humides |
EP1125725A3 (fr) * | 2000-02-15 | 2002-10-23 | DANESE MAURIZIO s.r.l. | Presse à balles pour déchets solides et humides |
US6656395B2 (en) | 2000-10-16 | 2003-12-02 | Dorst Maschinen-Und Analagenbau Gmbh & Co. | Process for determining press parameters for pressing complex structured materials |
EP1199150A3 (fr) * | 2000-10-16 | 2003-04-02 | Dorst-Maschinen- und Anlagenbau GmbH & Co. | Procédé et dispositif pour la détermination des paramètres pour le pressage d'articles de contruction complexe |
EP1199150A2 (fr) * | 2000-10-16 | 2002-04-24 | Dorst-Maschinen- und Anlagenbau GmbH & Co. | Procédé et dispositif pour la détermination des paramètres pour le pressage d'articles de contruction complexe |
US7229263B2 (en) | 2002-11-22 | 2007-06-12 | Dorst Technologies Gmbh & Co. Kg | Pressing device for manufacturing of shaped compacts from pulverized material |
US8726800B2 (en) | 2010-08-23 | 2014-05-20 | 9177-4331 Québec inc. | Method and mechanical press system for the generation of densified cylindrical briquettes |
FR2973273A1 (fr) * | 2011-04-04 | 2012-10-05 | Forezienne Hydraulique Et Pneumatique Sfh Soc | Procede de traitement des boues d'usinage pour la fabrication de briquettes reutilisables en produits secondaires, et la machine de mise en oeuvre du procede |
EP2508333A1 (fr) | 2011-04-04 | 2012-10-10 | Société Forézienne Hydraulique et Pneumatique SFH | Machine de traitement des boues d'usinage pour la fabrication de briquettes |
CN103941629A (zh) * | 2014-04-01 | 2014-07-23 | 江苏永钢集团有限公司 | 双轮摩擦压砖机锤次监控装置 |
US10259184B2 (en) * | 2017-04-03 | 2019-04-16 | Ford Motor Company | Aluminum dust collection and compacting apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP0490148B1 (fr) | 1996-02-28 |
DE59107466D1 (de) | 1996-04-04 |
EP0490148A3 (en) | 1994-05-25 |
ATE134711T1 (de) | 1996-03-15 |
DE4039788A1 (de) | 1992-06-17 |
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