DE520917C - Brick extrusion press for hollow bricks - Google Patents
Brick extrusion press for hollow bricksInfo
- Publication number
- DE520917C DE520917C DENDAT520917D DE520917DD DE520917C DE 520917 C DE520917 C DE 520917C DE NDAT520917 D DENDAT520917 D DE NDAT520917D DE 520917D D DE520917D D DE 520917DD DE 520917 C DE520917 C DE 520917C
- Authority
- DE
- Germany
- Prior art keywords
- brick
- extrusion press
- hollow bricks
- brick extrusion
- hollow
- 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
Links
Classifications
-
- 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
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/24—Extrusion presses; Dies therefor using screws or worms
- B30B11/243—Extrusion presses; Dies therefor using screws or worms using two or more screws working in the same chamber
-
- 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
- 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
- B28B3/224—Twin screw extruders, e.g. double shaft extruders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Description
Ziegelstrangpresse für Hohlsteine Die Erfindung ist eine Ziegelstrangpresse zum Herstellen von Hohlsteinen und besteht darin, daß zwei in spitzem Winkel zueinander liegende, gegengleich gestaltete und gegengleich angetriebene Messerwellen verwendet werden. Hohlsteine, besonders große Hohlsteine, die aus einzylindrigen Ziegelstrangpressen kommen, zeigen vielfach Einbuchtungen der äußeren Wände nach innen; außerdem neigen die inneren Stege der Hohlsteine zum Reißen. Diese Mißstände-rühren daher, daß die größere Menge des Ziegelgutes durch die Schneckenflügel nach außen getrieben und das Ziegelgut deshalb außen mehr verdichtet wird als innen, im Bereich der Stege. Die Erfindung überwindet den Mißstand dadurch, daß das Ziegelgut durch die gegeneinander arbeitenden beiden Messerwellen stärker nach innen gedrängt und dort mindestens so gut verdichtet wird wie in dem äußeren Teil der Hohlsteine.Brick extrusion press for hollow bricks The invention is a brick extrusion press for the production of hollow stones and consists in the fact that two at an acute angle to each other horizontal, oppositely designed and oppositely driven knife shafts are used will. Hollow bricks, especially large hollow bricks made from single-cylinder brick extrusions come, often show indentations of the outer walls inwards; also tend to the inner webs of the hollow stones to tear. These abuses stem from the fact that the larger amount of brick is driven outwards by the screw blades and the brick material is therefore more compacted on the outside than on the inside, in the area of the webs. The invention overcomes the deficiency in that the brick through the against each other working two knife shafts pushed more inward and there at least is compacted as well as in the outer part of the hollow stones.
Die Zeichnung zeigt ein Ausführungsbeispiel der Erfindung.The drawing shows an embodiment of the invention.
Abb. i ist ein Längsschnitt einer Ziegelstrangpresse nach der Erfindung.Fig. I is a longitudinal section of a brick extruder according to the invention.
Abb. 2 ist ein Ouerschnitt nach der Linie A-B der Abb. i. v Abb. 3 ist eine Vorderansicht des Mundstücks.Fig. 2 is a cross-section along the line A-B of Fig. I. v Fig. 3 Figure 3 is a front view of the mouthpiece.
Die beiden Messerwellen a und b sind je in einem schwachkegligen Gehäuse gelagert. Die Mittellinien sowohl der Messerwellen als der beiden Gehäuse schneiden einander im spitzen Winkel. Die beiden Gehäuse sind nicht vollständig voneinander getrennt, sondern gehen, wie Abb. 2 zeigt, ineinander über. Die Messerwellen sind gegengleich gestaltet und gegengleich angetrieben, wie es die Pfeile in Abb. i und Abb. 2 angeben, so daß sie das Ziegelgut mit ihren Messern nach der Mitte zu treiben. Vor den beiden Gehäusen ist der Preßkopf e angebracht, der sich den Gehäusen in der Linie C-D anpaßt und sich von da aus zu dem Mundstück verjüngt, dessen Form aus der Ansicht Abb. 3 erkennbar ist.The two knife shafts a and b are each mounted in a slightly conical housing. The center lines of both the knife shafts and the two housings intersect at an acute angle. The two housings are not completely separated from one another, but merge into one another, as shown in Fig. 2. The cutter shafts are designed in opposite directions and driven in opposite directions, as indicated by the arrows in Fig. I and Fig. 2, so that they drive the brick with their knives towards the center. In front of the two housings, the press head e is attached, which adapts to the housings in the line CD and tapers from there to the mouthpiece, the shape of which can be seen from the view in FIG.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE520917T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE520917C true DE520917C (en) | 1931-03-14 |
Family
ID=6551199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT520917D Expired DE520917C (en) | Brick extrusion press for hollow bricks |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE520917C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4016119C1 (en) * | 1990-05-18 | 1991-07-25 | Rieter-Werke Haendle Kg, 7750 Konstanz, De |
-
0
- DE DENDAT520917D patent/DE520917C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4016119C1 (en) * | 1990-05-18 | 1991-07-25 | Rieter-Werke Haendle Kg, 7750 Konstanz, De |
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