EP1838507A1 - Procede et dispositif de production de modules creux - Google Patents

Procede et dispositif de production de modules creux

Info

Publication number
EP1838507A1
EP1838507A1 EP06706224A EP06706224A EP1838507A1 EP 1838507 A1 EP1838507 A1 EP 1838507A1 EP 06706224 A EP06706224 A EP 06706224A EP 06706224 A EP06706224 A EP 06706224A EP 1838507 A1 EP1838507 A1 EP 1838507A1
Authority
EP
European Patent Office
Prior art keywords
mold
mandrels
molding material
height
press plate
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
Application number
EP06706224A
Other languages
German (de)
English (en)
Other versions
EP1838507B1 (fr
Inventor
Ulrich Backs
Klaus Dambauer
Norbert Kranzinger
Hans Georg Berghammer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hess Maschinenfabrik GmbH and Co KG
Original Assignee
Hess Maschinenfabrik GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hess Maschinenfabrik GmbH and Co KG filed Critical Hess Maschinenfabrik GmbH and Co KG
Publication of EP1838507A1 publication Critical patent/EP1838507A1/fr
Application granted granted Critical
Publication of EP1838507B1 publication Critical patent/EP1838507B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • 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
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B28B7/183—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for building blocks or similar block-shaped objects

Definitions

  • the invention relates to a method and an apparatus for producing hollow building blocks according to the preamble of claim 1.
  • the object of the invention is therefore to provide a method according to the preamble of claim 1 and a suitable device that make it possible to produce hollow bricks regardless of their height with sufficient compression over the entire height of the stone.
  • the compaction is carried out in a plurality of stages, in which alternately pressing plate and mandrels are moved downward. This ensures that is first compressed by the action of the press plate of the granular molding material in the area adjacent to the top. Here, the grains of the molding material are pressed against the mandrels. The latter are then moved down a bit. By this downward movement, the static friction between the grains of the molding material and the thorns under entrainment and thus loosening of the grains is overcome. This is followed by a new pressing through the press plate, whereby the grains turn - and in a deeper layer - are pressed against the mandrels, etc.
  • the pressing force can gradually apply up to the Kömer für at the bottom of the die, so that the height of the Stone plays no role and small distances between the thorns, for example, 0.5 to 1 cm with equally small mandrel width can be readily realized.
  • FIG. 1 shows schematically an embodiment of an apparatus for producing hollow blocks.
  • FIG. 2 shows two diagrams relating to the blank height of a hollow brick and the way of spikes of the device of FIG. 1 as a function of the compacting stage.
  • the apparatus shown in Fig. 1 comprises a machine frame 1, which receives a press table 2, a lower lifting ram 3 and an upper ram 4.
  • the press table 2 comprises a table top 5 for placing a box-shaped mold 6.
  • Above the mold 6 is a horizontally along a guide 7 movable filling device 8, such as a filling provided, with which the mold 6 can be filled with gromigem molding material F.
  • the lifting ram 3 is used for vertical movement of a guided along vertical guide rods 9 support plate 10, the upper side upwardly projecting mandrels 11, which are inserted through openings 12 in the tabletop 5 from below into the mold 6 and also beyond this protruding.
  • the ram 4 carries a along the guide rods 9 vertically guided support plate 13 for a spaced therefrom arranged pressing plate 14.
  • the pressing plate 14 has openings 15 for the mandrels 11, so that they can enter the pressing plate 14 and through it.
  • the pressure plate 14 is movable into the press mold 6 by appropriate loading of the press ram 4.
  • a vibrator 16 may be disposed on the mold 6 and / or a vibrator 17 on the support plate 10 in order to perform corresponding Hinttelmosen these parts can.
  • the mold 6 is vertically movable via adjusting cylinder 18, wherein the steep cylinder 18 engage on projecting frame parts 19 of the mold 6.
  • first of all the pressing mold 6 sitting on the table top 5 is to be filled with moist (earth-moist) molding material F.
  • moist (earth-moist) molding material F For this purpose, first the mandrels 11 are retracted at most to the upper edge of the mold 6 in this.
  • the filled accordingly with molding material F filling device 8 is moved over the mold 6 and filled the molding material F in the mold 6. Since the pins 11 in this case at most up to the top of the mold protrude upwards, they interfere - A -
  • the method of the filling device 8 not.
  • the mold 6 and / or the support plate 10 are shaken by means of the vibrator 16 and 17 respectively.
  • the mandrels 11 are first driven further upwards so that they protrude beyond the mold 6. This can conveniently be shaken, whereby the mold material F located in the mold 6 already collapses somewhat in height.
  • the pressing plate 14 is shut down by means of the ram 4, whereby the mandrels 11 dive into the through openings 15 of the pressing plate 14 and pass through it (to facilitate this, the mandrels 11 may be sharpened end side), so that they upper side by the press plate 14 are led.
  • the pressing plate 14 finally reaches the surface of the molding material F in the height h 0 and presses this immersed in the mold 6 with predetermined force, so that the molding material F in the mold 6 only has a height h 1 .
  • the pressing force acting on the molding material F is greatest at the top and decreases continuously downwards.
  • the press mold 6 can then, after complete retraction of the mandrels 11 (retraction path d n in FIG. 2), run up with the stone blank thus formed, interposing a bearing board and the stone blank being deposited thereon and transported away under appropriate action of the press plate 14.
  • the pressing plate 14 can act in each stage of the compression with a predetermined force, in which case the blank height h n per stage n decreases continuously until a predetermined blank height is reached.
  • the withdrawal path d of the mandrels 11 is expediently constant or increasing progressively.
  • the compression is expediently carried out by means of a control 20, which on the one hand controls the force with which the pressing plate 14 acts on the molding material F, and on the other hand, the return path d of the mandrels 11.
  • the resulting blank height can be determined in each case via their direct or indirect measurement, for example by means of a position sensor 21 for the ram 4 or a moving component and the filling amount for the filling device 8 are dimensioned accordingly, so that after compacting a predetermined blank height h n results.
  • molding material F Particularly suitable as molding material F are hydraulically curing mixtures which contain cement, lime, fly ash or the like as a binder, optionally mixed, and aggregates such as quartz sand, split or, in particular, lightweight aggregates such as natural pumice, expanded clay, tuff, optionally in admixture.
  • aggregates such as quartz sand, split or, in particular, lightweight aggregates such as natural pumice, expanded clay, tuff, optionally in admixture.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Fish Paste Products (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP06706224A 2005-01-19 2006-01-13 Procede et dispositif de production de modules creux Not-in-force EP1838507B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005002497A DE102005002497B3 (de) 2005-01-19 2005-01-19 Verfahren und Vorrichtung zum Herstellen von Hohlbausteinen
PCT/EP2006/000263 WO2006077053A1 (fr) 2005-01-19 2006-01-13 Procede et dispositif de production de modules creux

Publications (2)

Publication Number Publication Date
EP1838507A1 true EP1838507A1 (fr) 2007-10-03
EP1838507B1 EP1838507B1 (fr) 2009-11-11

Family

ID=36046811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06706224A Not-in-force EP1838507B1 (fr) 2005-01-19 2006-01-13 Procede et dispositif de production de modules creux

Country Status (4)

Country Link
EP (1) EP1838507B1 (fr)
AT (1) ATE448064T1 (fr)
DE (2) DE102005002497B3 (fr)
WO (1) WO2006077053A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102717422B (zh) * 2012-06-11 2014-07-30 靳光明 一种小型制砖机
CN104149168A (zh) * 2014-07-31 2014-11-19 浙江立鑫高温耐火材料有限公司 一种耐火砖的压制模具
CN104128985A (zh) * 2014-07-31 2014-11-05 浙江立鑫高温耐火材料有限公司 一种用于耐火砖的压制模具
CN104972546A (zh) * 2015-06-29 2015-10-14 句容泰博尔机械制造有限公司 移动单模制砖机
CN105690542B (zh) * 2016-03-02 2017-11-03 哈尔滨工业大学 一种试验用砌块加工装置
CN112621991A (zh) * 2020-11-17 2021-04-09 临泉县睿鑫建材有限公司 一种空心砖生产用加工模具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402375B (de) * 1994-10-14 1997-04-25 Kranzinger Norbert Verfahren und vorrichtung zum herstellen von hohlbausteinen
DE19533903C1 (de) * 1995-09-13 1997-04-03 Netzsch Erich Holding Presse, insbesondere für keramische Massen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006077053A1 *

Also Published As

Publication number Publication date
ATE448064T1 (de) 2009-11-15
WO2006077053A1 (fr) 2006-07-27
DE502006005334D1 (de) 2009-12-24
EP1838507B1 (fr) 2009-11-11
DE102005002497B3 (de) 2006-06-01

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