WO1987001984A1 - Moule speculaire pour la production de tuiles ceramiques avec entretoises, la tuile etant placee avec sa surface exposee orientee vers le haut - Google Patents

Moule speculaire pour la production de tuiles ceramiques avec entretoises, la tuile etant placee avec sa surface exposee orientee vers le haut Download PDF

Info

Publication number
WO1987001984A1
WO1987001984A1 PCT/IT1986/000003 IT8600003W WO8701984A1 WO 1987001984 A1 WO1987001984 A1 WO 1987001984A1 IT 8600003 W IT8600003 W IT 8600003W WO 8701984 A1 WO8701984 A1 WO 8701984A1
Authority
WO
WIPO (PCT)
Prior art keywords
tile
plug
matrix
die
spacers
Prior art date
Application number
PCT/IT1986/000003
Other languages
English (en)
Inventor
Walter Manfredi
Original Assignee
Lema S.R.L.
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 Lema S.R.L. filed Critical Lema S.R.L.
Priority to BR8607189A priority Critical patent/BR8607189A/pt
Publication of WO1987001984A1 publication Critical patent/WO1987001984A1/fr

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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/10—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article
    • 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
    • B28B3/021—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
    • B28B7/0097—Press moulds; Press-mould and press-ram assemblies

Definitions

  • Ceramic tiles are generally made in dies of a certain shape to be put into special hydraulic or other types of presses. When working the controls of the press the dies are opened, loaded with clay or other material and then closed again to produce, by means of suitable pressure and heating, a tile of the chosen shape.
  • Tiles are generally of two kinds:
  • the die is usually made of two main parts, the upper and the lower, one opposing the other, each part consisting of a shaped plug, one shaped for one side of the tile and the other shaped for the other side, placed within a flame called a matrix.
  • the upper die also has a part called a block fitting at the back against the plug for supporting and moving it, generally fixed to the plug and to the matrix.
  • the tile is made with its "finished" surface, namely the one that will show when the tile is mounted, uppermost, the upper plug will be shaped to make said finished surface, and the lower plug will be shaped to make the back of the tile.
  • the tile When pressing is finished and the die is opened, the tile must be extracted generally done by making the lower plug rise till the tile is out of 1he lower matrix.
  • the finished surfact of the tile may become marked or scratched or similarly damaged.
  • Subject of the invention is a mirror-like die for shaping ceramic tiles with spacers.
  • the upper plug is shaped to correspond with the upper finished surface of the tile.
  • the sides of the upper matrix are shaped , starting from its edge, to correspond with the short sides of the upper part of the tile or, in other words, with that part which from the upper surface extends downwards to where the spacers begin to project.
  • the upper plug is mobile in relation to the matrix for a distance at least equal to the thickness of the upper part of the tile.
  • the lower plug is shaped to correspond with the back surface of the tile.
  • the sides of a lower matrix are shaped, starting from its edge, to correspond with the short sides of the lower part of the tile or, in other words, with that part which from the back surface extends upwards for the whole height of the spacers.
  • Said lower plug is mobile in relation to the lower matrix for a distance at least equal to the height of said lower part of the tile.
  • said elastic means causes the plug to slide in relation to the matrix, and externally to the same, and cau ses extraction of the upper part of the tile.
  • the elastic means consists of a Belleville spring placed round a central bolt, and the like, connecting the upper plug to the block. Said bolt allows an amount of play between block and plug equivalent to the movement made by said plug, needed to allow space both for the volume corresponding to the upper part of the plate and for extracting said plate.
  • FIG. 1 Plan view of 'the upper block Fig. 2 Cross section of the upper block Fig. 3 Plan view of the upper matrix Fig. 4 Cross section of the upper matrix Fig. 5 Plan view of the upper plug
  • the upper matrix 10 is fixed to the upper block 11 by bolts and the like, lodged in the seats 16, screwed into the holes 17 in the block.
  • Said block has a lower recess 18, cylindrical in shape and concentric with the hole 19 made in the centre of the block itself.
  • the upper plug 12 is fixed to the block by a device 40 including the bolt 20 (Fig. 7, 8) lodged in the hole 19, the end 21 of which is screwed into the threaded hole 22 made in the centre of the plug itself.
  • the hexagonal head 23 of the bolt is in contact with the bottom of the upper recess 24 of the block.
  • the pair of Belleville springs 25, 26 and the washer 27 are placed round the bolt 20.
  • the dimensions of the bolt are such that, due to effect of pressure by the springs, the plug when idle appears as in Fig.7 with the lower edge 28 practically flush with the lower edge 29 of the matrix 10.
  • the lower part of the die comprises the lower matrix 13 inside of which the lower plug 14 can move for a stroke (b) (Figs. 8, 9) corresponding to height (b')of the lower part 34 of the tile supplied with laterally projecting zones 35, called spacers, extending for the whole of the aforesaid height. Said spacers project for the value C (Figs. 8, 9).
  • Plan dimensions of the lower matrix 13 exceed those of tie upper matrix 10 to the extent of the spacer projections.
  • the lower surface 36 of the upper plug mirror-like for making the "finished" face of the tile, is hollowed out to a height (d) joined by the sloping sections 37 to the edge of the tile.
  • At the edges of the upper matrix 10 there is a pair of bevels 38 and 39 joining the spacers 35 to the upper part 33 of the tile. Operation At the start of each working sequence the die appears as shown in Fig. 7.
  • the upper part of the die approaches the lower part causing the matrixes 10 and 13 (Fig. 8) to come together and causing formation of the tile 32 by pressure and heating.
  • Fig. 8 clearly shows, pressure has caused compression of the Belleville springs and mating of the upper surfe.ce 30 of the upper plug 12 with the lower surface 31 of the block 11.
  • a space is thus created corresponding to that of the tile 32 and formation of the upper part 33 and lower part 34 of said tile.
  • the upper part of the die rises up while simultaneous release of the Belleville springs hold the upper plug, in relation to the tile,in the position seen in Fig. 8 until the lower edge 29 of the matrix 10 has reached the lower edge 28 of the plug (see Fig. 7 as well).
  • the advantages are clear.
  • the tile is made with its finished face uppermost even though it has its spacers.

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)

Abstract

Moule spéculaire pour la production de tuiles céramiques pourvues d'entretoises et avec la face ''finie'' orientée vers le haut, dans lequel, lorsque le moule est fermé, la partie supérieure (12) du moule recule vers l'intérieur de la matrice supérieure (10), comprimant des organes élastiques (25), (26) pour créer le volume correspondant à la partie supérieure (33) de la tuile (32) jusqu'au commencement des entretoises (35), alors que lorsque le moule s'ouvre sous l'effet de réaction des organes élastiques (25), (26), ladite partie supérieure (12) se déplace vers l'extérieur de la matrice (10) provoquant le démoulage de ladite tuile (32).
PCT/IT1986/000003 1985-09-26 1986-01-09 Moule speculaire pour la production de tuiles ceramiques avec entretoises, la tuile etant placee avec sa surface exposee orientee vers le haut WO1987001984A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8607189A BR8607189A (pt) 1985-09-26 1986-01-09 Forma para confeccao de tijolos ceramicos com espacadores,o tijolo posicionado com sua superficie aparente para cima

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT22289/85A IT1185392B (it) 1985-09-26 1985-09-26 Stampo a specchio per la formazione,a faccia bella superiore di piastrelle in ceramica con distanziali
IT22289A/85 1985-09-26

Publications (1)

Publication Number Publication Date
WO1987001984A1 true WO1987001984A1 (fr) 1987-04-09

Family

ID=11194228

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT1986/000003 WO1987001984A1 (fr) 1985-09-26 1986-01-09 Moule speculaire pour la production de tuiles ceramiques avec entretoises, la tuile etant placee avec sa surface exposee orientee vers le haut

Country Status (5)

Country Link
EP (1) EP0269614A1 (fr)
AU (1) AU5353486A (fr)
BR (1) BR8607189A (fr)
IT (1) IT1185392B (fr)
WO (1) WO1987001984A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1568455A3 (fr) * 2004-02-26 2007-03-14 Franz Carl Nüdling Basaltwerke GmbH & Co. KG Pavé en béton et dispositif pour sa fabrication
ITUA20164032A1 (it) * 2016-06-01 2017-12-01 Origostyle S R L Stampo per la pressatura di piastrelle
ITUA20164297A1 (it) * 2016-06-10 2017-12-10 I Dea Re S R L Stampo per la formatura di piastrelle ceramiche e procedimento di formatura di piastrelle ceramiche mediante tale stampo

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR436933A (fr) *
DE139820C (fr) *
GB107535A (en) * 1917-01-02 1917-07-05 Boulton Ltd William Improvements in Dies for Tile and like Presses.
US1768045A (en) * 1928-04-23 1930-06-24 Nat Tile Company Mold for tiles
US2026337A (en) * 1931-05-29 1935-12-31 Frank B Yingling Process of making tile-dies
DE2005871A1 (de) * 1970-02-10 1971-10-07 Henke Maschinenfabrik Gmbh, 4951 Holtrup Form zum maschinellen Herstellen von Verbundsteinen
EP0118872B1 (fr) * 1983-03-11 1988-08-17 Rampf Formen GmbH Dispositif pour fabriquer des articles moulés en béton ou analogue

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR436933A (fr) *
DE139820C (fr) *
GB107535A (en) * 1917-01-02 1917-07-05 Boulton Ltd William Improvements in Dies for Tile and like Presses.
US1768045A (en) * 1928-04-23 1930-06-24 Nat Tile Company Mold for tiles
US2026337A (en) * 1931-05-29 1935-12-31 Frank B Yingling Process of making tile-dies
DE2005871A1 (de) * 1970-02-10 1971-10-07 Henke Maschinenfabrik Gmbh, 4951 Holtrup Form zum maschinellen Herstellen von Verbundsteinen
EP0118872B1 (fr) * 1983-03-11 1988-08-17 Rampf Formen GmbH Dispositif pour fabriquer des articles moulés en béton ou analogue

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1568455A3 (fr) * 2004-02-26 2007-03-14 Franz Carl Nüdling Basaltwerke GmbH & Co. KG Pavé en béton et dispositif pour sa fabrication
ITUA20164032A1 (it) * 2016-06-01 2017-12-01 Origostyle S R L Stampo per la pressatura di piastrelle
ITUA20164297A1 (it) * 2016-06-10 2017-12-10 I Dea Re S R L Stampo per la formatura di piastrelle ceramiche e procedimento di formatura di piastrelle ceramiche mediante tale stampo

Also Published As

Publication number Publication date
BR8607189A (pt) 1988-09-13
IT8522289A0 (it) 1985-09-26
AU5353486A (en) 1987-04-24
IT1185392B (it) 1987-11-12
EP0269614A1 (fr) 1988-06-08

Similar Documents

Publication Publication Date Title
US1822172A (en) Method of producing tablets of powdery material framed in metal
US3618179A (en) Hole-forming attachment for powder press
EP0556163B1 (fr) Matrice pour tuiles céramiques
WO1987001984A1 (fr) Moule speculaire pour la production de tuiles ceramiques avec entretoises, la tuile etant placee avec sa surface exposee orientee vers le haut
CN217474585U (zh) 一种锚杆托盘一次成型冲压模具
JPH0354015B2 (fr)
CN107138602B (zh) 一种浮动式刚性卸料结构
CA1201272A (fr) Methode et dispositif pour degarnir un creux de moule du sable qu'il renferme
KR101855592B1 (ko) 경사 작동형 프레스장치
US4266922A (en) Mold for manufacturing abrasive segments
JP3926556B2 (ja) 粉末成形装置
CN214348917U (zh) 一种能够在冲压过程中控制压料板复位时间的冲压装置
CN211638200U (zh) 一种单耳锻中心孔脱模装置
CN212238908U (zh) 一种用于拉伸成型的模具
CN217044365U (zh) 一种双向滑动折弯结构装置
KR102179898B1 (ko) 스프링 밀핀이 형성된 프레스 금형
SU929326A1 (ru) Прессформа дл прессовани порошковых изделий с полостью
CN218591557U (zh) 一种圆形阻尼器的模压工装
JPS6153205B2 (fr)
KR900007415Y1 (ko) 프레스 금형의 제품 취출장치
JPH0788699A (ja) 金型装置
JPS57115927A (en) Press equipment
SU742132A2 (ru) Устройство дл образовани пустот в изделии
SU1139632A1 (ru) Вертикальна прессформа дл порошковых материалов
SU1294422A1 (ru) Штамп дл обработки листового материала

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BB BG BR DK FI HU JP KP KR LK MC MG MW NO RO SD SU US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CF CG CH CM DE FR GA GB IT LU ML MR NL SE SN TD TG

WWE Wipo information: entry into national phase

Ref document number: 1986900832

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1986900832

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1986900832

Country of ref document: EP