EP0503335B1 - Vakuumpresse, insbesondere für keramische Massen - Google Patents
Vakuumpresse, insbesondere für keramische Massen Download PDFInfo
- Publication number
- EP0503335B1 EP0503335B1 EP92102992A EP92102992A EP0503335B1 EP 0503335 B1 EP0503335 B1 EP 0503335B1 EP 92102992 A EP92102992 A EP 92102992A EP 92102992 A EP92102992 A EP 92102992A EP 0503335 B1 EP0503335 B1 EP 0503335B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- vacuum chamber
- preliminary
- vacuum
- horizontally
- 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 - Lifetime
Links
- 229910010293 ceramic material Inorganic materials 0.000 title 1
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 13
- 238000007789 sealing Methods 0.000 description 11
- 238000010924 continuous production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- 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
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/386—Cleaning
Definitions
- the invention relates to a vacuum press for the continuous production of plastic mass strands.
- the field of application of the invention is in particular the ceramic industry.
- the known vacuum presses generally consist of an upper press or also a mixer and a lower press, a vacuum chamber being interposed for the purpose of vacuuming the mass.
- the aim of the invention is to ensure rapid, comprehensive cleaning of vacuum presses.
- the invention has for its object to enable effective cleaning of the press parts coming into contact with the mass by optimum accessibility.
- the press housing is composed of pivotable housing elements which in turn are articulated on the press frame.
- the horizontally foldable cylinder halves of the pre-press are connected via a flange connection to a screen plate holder which is also pivotably horizontally arranged on a U-shaped support of the press frame.
- a sealing disk with radial and lateral sealing means is slidably arranged on this.
- the vacuum chamber which can be vertically raised and lowered and swiveled horizontally, is detachably connected to the sealing washer using quick-release fasteners. The pivoting of the vacuum chamber is guaranteed by a joint connection with the U-shaped support.
- the vacuum chamber is placed on the filling opening of the lower press and fastened with quick-release fasteners.
- the mixing trough of the lower and the pre-press each form two housing elements, the inner wall of which is adapted to the contour of the cone and the press screw and are connected to the press frame so that they can be pivoted radially via vertically displaceable brackets.
- the vacuum press according to the invention is shown schematically in FIG. 1, the lower press being omitted for reasons of clarity.
- the cylinder of the pre-press is divided vertically into two cylinder halves 5.
- a horizontal pivoting of the cylinder halves 5 is possible via a swivel joint 2, which connects the cylinder halves 5 and the press frame.
- Their dashed representation shows the cylinder halves 5 in the cleaning position.
- the cylinder halves 5 have a flange part 4, which are detachably connected to the flange ring 8 of the screen plate holder 3 by means of quick-release fasteners known per se.
- the sieve plate holder 3 is also designed to be horizontally pivotable and is connected to a U-shaped support 7 of the press frame by means of a joint 16.
- a corresponding arrow shows the direction of rotation.
- the screen plate holder 3 shown in broken lines is in the cleaning position.
- a sealing washer 6 is pushed on.
- This has a radial sealing element 12 and on the end face a second sealing element 13, which ensures the end seal on the vacuum chamber 1.
- This can be connected to the sealing disk 6 by means of quick fasteners 14.
- the vacuum chamber 1 is in turn vertically raised and lowered, for which purpose an eccentric, not shown in the drawing, is used.
- the vertical movability of the vacuum chamber 1 prevents damage to the seal arranged on the underside of the vacuum chamber 1 when the vacuum chamber 1 is placed or lifted off the feed opening of the lower press.
- the vacuum chamber 1 has hinges which are also connected to the U-shaped support 7.
- FIG. 3 shows the design of the housing elements 9; 9 'in the area of the adapters 10, which support the mass insertion into the screw 17 of the pre-press the mixing trough.
- the housing elements 9 are connected via an articulated connection 18 to a horizontally displaceable holder 11, which in turn is mounted in a guide tube 19 fastened to the press frame.
- the housing element 9 time Fig. 2 in the cleaning position.
- the lower press is also equipped with corresponding housing elements 9; 9 '. All swiveling press parts can be fixed in their working position by means of quick-release fasteners known per se.
- the connection between the vacuum chamber 1 and the sealing disk 6 is completely eliminated. Furthermore, the connection between the vacuum chamber 1 and the filling opening of the lower press has to be released. Now, by actuating the eccentric, the vacuum chamber can be lifted and pivoted out of its functional position. Now the quick-release fasteners are to be disengaged from the flange ring 8 of the screen plate holder 3 and the flange parts 4 of the cylinder halves 5 and the screen plate holder 3 can be swung out. After loosening the connecting screws of the cylinder halves 5, these are to be opened into their cleaning position.
- the quick-release fasteners of the housing elements 9; 9 'forming the mixing trough must also be released and then pulled out horizontally by means of the holder 11 and pivoted radially by means of the articulated connection 18.
- the housing elements of the lower press should also be brought into the cleaning position in the same way.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Press Drives And Press Lines (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Cleaning In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4108342A DE4108342C2 (de) | 1991-03-14 | 1991-03-14 | Vakuumpresse, insbesondere für keramische Massen |
DE4108342 | 1991-03-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0503335A1 EP0503335A1 (de) | 1992-09-16 |
EP0503335B1 true EP0503335B1 (de) | 1993-12-08 |
Family
ID=6427316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92102992A Expired - Lifetime EP0503335B1 (de) | 1991-03-14 | 1992-02-22 | Vakuumpresse, insbesondere für keramische Massen |
Country Status (9)
Country | Link |
---|---|
US (1) | US5299927A (ja) |
EP (1) | EP0503335B1 (ja) |
JP (1) | JPH05212712A (ja) |
CN (1) | CN1028157C (ja) |
BR (1) | BR9200847A (ja) |
CZ (1) | CZ281928B6 (ja) |
DE (2) | DE4108342C2 (ja) |
ES (1) | ES2046902T3 (ja) |
RU (1) | RU2041062C1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2375071B (en) * | 2001-04-03 | 2004-09-15 | William Roy Powel | Extrusion die(slipper)adjustment mechanism |
CN103419273B (zh) * | 2012-05-22 | 2015-09-23 | 青岛青锻锻压机械有限公司 | 电动螺旋压砖机 |
CN104289472A (zh) * | 2014-07-31 | 2015-01-21 | 广西北流仲礼瓷业有限公司 | 一种用于陶瓷制造的除尘器 |
EP3271125B1 (en) * | 2015-03-20 | 2023-11-08 | Siti - B&T Group S.p.A. | An end panel group of a press for ceramic products and the like |
CN106292731B (zh) * | 2015-06-08 | 2019-02-15 | 佛山市恒力泰机械有限公司 | 一种上模与下模夹持粉料同步下降的填料方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1356691A (en) * | 1919-01-16 | 1920-10-26 | Farrel Foundry | Rubber-mixer |
DE678466C (de) * | 1936-10-02 | 1939-07-15 | Gudrun Welzel Geb Philipp | Schneckenpresse mit Aufbereitung und Zufuehrung der keramischen Masse in geschnitzelter Form |
US2257695A (en) * | 1939-03-23 | 1941-09-30 | Lihotzky Emil | Worm press for the manufacture of alimentary pastes |
GB607076A (en) * | 1946-01-25 | 1948-08-25 | Charles Leslie Willis | Improvements in and relating to machines for de-airing plastic materials |
GB765383A (en) * | 1954-03-01 | 1957-01-09 | Farrel Birmingham Co | Apparatus for extruding plastic material |
US2918714A (en) * | 1957-03-22 | 1959-12-29 | Garvey James | Split plodder nozzles |
DE1216171B (de) * | 1963-07-20 | 1966-05-05 | Soest Ferrum Appbau G M B H | Schneckenpresse zum Verpressen von Steinzeugmassen od. dgl. |
US3304579A (en) * | 1965-03-30 | 1967-02-21 | Jr Thomas Ashworth | Dual hinged side delivery head for extruders |
US3574891A (en) * | 1968-08-19 | 1971-04-13 | French Oil Mill Machinery | Mechanical screw press |
DE1805868A1 (de) * | 1968-10-29 | 1970-05-27 | Krone Kg | Strangpresse |
NL6818261A (ja) * | 1968-12-19 | 1970-06-23 | ||
US3561371A (en) * | 1969-04-10 | 1971-02-09 | Ralston Purina Co | Extruder door |
DE2423785C2 (de) * | 1974-05-16 | 1980-06-12 | Werner & Pfleiderer, 7000 Stuttgart | Verschleißeinsatz für das Schneckengehäuse einer Doppelschneckenstrangpresse oder -Spritzgießmaschine |
SU514708A1 (ru) * | 1974-12-08 | 1976-05-25 | Проектно-конструкторское бюро по проектированию оборудования для производства пластических масс и синтетических смол | Устройство дл смешивани пластичных материалов |
FR2326289A1 (fr) * | 1975-10-01 | 1977-04-29 | Poudres & Explosifs Ste Nale | Boudineuse a fourreau ouvrable |
DE2726963C3 (de) * | 1977-06-15 | 1980-04-30 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Vorrichtung zum Abziehen eines Zylinderteiles von einem Schneckenextruder |
US4385876A (en) * | 1978-05-31 | 1983-05-31 | Baker Perkins Inc. | Split wear liner for twin bore barrel assembly |
JPS56113A (en) * | 1979-06-15 | 1981-01-06 | Matsushita Electric Works Ltd | Kneader casing |
JPH0517223Y2 (ja) * | 1987-01-05 | 1993-05-10 |
-
1991
- 1991-03-14 DE DE4108342A patent/DE4108342C2/de not_active Expired - Fee Related
-
1992
- 1992-02-22 DE DE92102992T patent/DE59200030D1/de not_active Expired - Fee Related
- 1992-02-22 EP EP92102992A patent/EP0503335B1/de not_active Expired - Lifetime
- 1992-02-22 ES ES199292102992T patent/ES2046902T3/es not_active Expired - Lifetime
- 1992-03-09 CN CN92101569A patent/CN1028157C/zh not_active Expired - Fee Related
- 1992-03-11 JP JP4052515A patent/JPH05212712A/ja active Pending
- 1992-03-12 BR BR929200847A patent/BR9200847A/pt not_active IP Right Cessation
- 1992-03-12 CZ CS92748A patent/CZ281928B6/cs unknown
- 1992-03-13 US US07/851,483 patent/US5299927A/en not_active Expired - Fee Related
- 1992-03-13 RU SU925011053A patent/RU2041062C1/ru active
Also Published As
Publication number | Publication date |
---|---|
DE4108342A1 (de) | 1992-09-24 |
JPH05212712A (ja) | 1993-08-24 |
RU2041062C1 (ru) | 1995-08-09 |
CN1028157C (zh) | 1995-04-12 |
CS74892A3 (en) | 1992-09-16 |
CN1064642A (zh) | 1992-09-23 |
US5299927A (en) | 1994-04-05 |
DE59200030D1 (de) | 1994-01-20 |
BR9200847A (pt) | 1992-11-24 |
EP0503335A1 (de) | 1992-09-16 |
ES2046902T3 (es) | 1994-02-01 |
CZ281928B6 (cs) | 1997-04-16 |
DE4108342C2 (de) | 1994-01-13 |
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