EP0256570A1 - Bâti pour presses - Google Patents
Bâti pour presses Download PDFInfo
- Publication number
- EP0256570A1 EP0256570A1 EP87201240A EP87201240A EP0256570A1 EP 0256570 A1 EP0256570 A1 EP 0256570A1 EP 87201240 A EP87201240 A EP 87201240A EP 87201240 A EP87201240 A EP 87201240A EP 0256570 A1 EP0256570 A1 EP 0256570A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- walls
- wings
- boards
- teeth
- interspaced
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/048—Laminated frame structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
Definitions
- the present invention relates to an improved mounting particularly but not exclusively suitable for ceramic molding products as tiles and the like.
- Press mountings of a known type are in general structurally formed by a pair of parallel walls, respectively front and back wall, interconnected at a suitable distance one from the other, as to locate a space of containment, between them, a space for containing the various press gears including a work compartment to whom to enter through lined up large openings obtained inside of the very walls.
- connection between said front and back walls is obtained by means of frames composed of elements welded between them and the very walls.
- a completely rigid structure is so located that is to say that it is by no means subject to strain, suffering from the serious drawback of being subject to breakings, especially when asymmetrical loadings are driven to it, due to an anomalous way of working of the press, what may,even frequently happen.
- breakings are primed mostly in correspondance to the welding areas.
- the purpose of the present invention is that of obviating to the above mentioned drawback realizing a press mounting not completely rigid capable of buckling when subjected to asymmetric anomalous loads avoiding in such a way that said loads discharge only in a predetermined zone of the mounting with the result of priming dangerous breakings.
- a press mounting particularly for molding ceramic materials, of the type including a pair of hollow (11,12) walls respectively front and back wall, that are interspaced and interconnected parallelely by means of a pair of boards (13,14), respectively lower and upper board, characterized by that said walls (11,12) and said boards (13,14) are rigidly assembled along a transversal horizontal axis (X), while being free of buckling along the other two vertical axes (Y and Z).
- said boards (13,14) are equal to each other and among them and show each a structure in general U shaped with wings (16) that protrude from a base (17) protruding beyond said wings (16) with teeth (18) that lean upon the respective parallel horizontal planes (19) of the walls (11,12) that are also equal to each other and are kept interspaced by said wings (16).
- the subject mounting is complessively indicated by 1O and it is structurally formed by four main pieces that, according to the invention, are rigidly assembled along the axis X, while free to buckle along the other two axes Y and Z.
- said four main pieces include a pair of walls 11,12 respectively front and back wall, and a pair of boards 13,14, lower and upper board respectively.
- said walls 11 and 12 are equal to each other and show each a generally rectangular shape having a central opening 15 to enter into the pressing zone.
- the tables 13,14 are also equal to each other and show each a generally "U" shaped structure with wings 16 extending from a base 17 protruding beyond said wings 16 with teeth 18.
- the walls (11 and 12) are leaning and fixed on a multi-layer base frame indicated at 31.
- ring-press composed by 4 main pieces (11,12,13 and 14) rigidly assembled on a axis (X) and free to strain along the other two axes (Y-Z) at disposal.
- the assembly results transversally rigid along the axis "X"; the rigidity is ensured by the four boltings obtained by means of the threaded sleeves 22 and the relevant lock nuts 25.
- the footsteps bearings 26,27, mounted on the four boltings axis allow the sliding of the pieces 13,14 relative to the pieces 11,12 along the axis "Y" up to a maximum clearance "g" existing among the tube sleeves 22 and the holes 23,24.
- the pieces 13 and 14 transmit the compression load to the pieces 11,12 through the teeth 18 by the interposed sheet 2O.
- Said sheet 2O has the function of absorbing in the resilient phase the buckling difference under the loading of the pieces 13 and 14 relative to the pieces 11,12.
- Said loading is normally calibrated between 4 and 8 times the statical loadings (weights) of the pieces composing the structure.
- the invention mounting shows the following main advantages
- the four main pieces composing it can be obtained by different technological procedures in view of the strains that they have to bear; in fact in the pieces 13 and 14 the pressing strength generates stretchings on the three axes (double deflection or plate-effect).
- the fused steel structure by which these pieces are generated does not have oriented fibres but it is spatially homogeneous, thus resulting more suitable for absorbing the above mentioned stretchings.
- the pressing strain generates stretchings according to the main axes "Y" and "Z", being the pieces 11,12 obtained by rolled steel and thus having oriented fibres.
- the four main pieces shape composing the structure is very simple and thus there are no stretchings in the raw semi-finished generated.
- the assembling ensures the perfect machine-geometry even under the pressing load.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Press Drives And Press Lines (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Connection Of Plates (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Socks And Pantyhose (AREA)
- Knitting Of Fabric (AREA)
- Treatment Of Fiber Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87201240T ATE59161T1 (de) | 1986-07-16 | 1987-06-29 | Pressenrahmen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2115186 | 1986-07-16 | ||
IT21151/86A IT1196506B (it) | 1986-07-16 | 1986-07-16 | Incastellatura perfezionata per presa,in particolare per lo stampaggio di materiali ceramici |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0256570A1 true EP0256570A1 (fr) | 1988-02-24 |
EP0256570B1 EP0256570B1 (fr) | 1990-12-19 |
Family
ID=11177499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87201240A Expired - Lifetime EP0256570B1 (fr) | 1986-07-16 | 1987-06-29 | Bâti pour presses |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0256570B1 (fr) |
AT (1) | ATE59161T1 (fr) |
BR (1) | BR8703701A (fr) |
DE (1) | DE3766773D1 (fr) |
ES (1) | ES2019370B3 (fr) |
IT (1) | IT1196506B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4444946C1 (de) * | 1994-12-16 | 1995-08-17 | Netzsch Erich Holding | Rahmenförmiges Pressengestell |
GB2371515A (en) * | 2000-12-22 | 2002-07-31 | Kvm Industrimaskiner As | Main frame for a concrete block moulding apparatus |
EP1306201A2 (fr) * | 2001-10-24 | 2003-05-02 | Aida Engineering Co., Ltd. | Presse |
IT201800005716A1 (it) * | 2018-05-25 | 2019-11-25 | Macchina per la formatura di manufatti ceramici | |
US11701853B1 (en) | 2019-06-21 | 2023-07-18 | Pmg Cos Az, Llc | Rosin press with interlocking frame |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103862703B (zh) * | 2012-12-17 | 2015-10-14 | 昆山永年先进制造技术有限公司 | 缸-梁集成系统 |
CN107297537B (zh) * | 2017-06-21 | 2018-11-27 | 中钢集团西安重机有限公司 | 一种加强型冷剪机机架 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1240823A (en) * | 1967-07-26 | 1971-07-28 | Vickers Ltd | Improvements in frames for presses |
DE2449256A1 (de) * | 1973-10-18 | 1975-04-24 | Carbox Ab | Maschinenrahmen |
FR2254425A1 (en) * | 1973-12-13 | 1975-07-11 | Plastiremo | Moulding press with a modular fabricated frame - capable of rearrangement to suit various mould and clamp tool sizes |
-
1986
- 1986-07-16 IT IT21151/86A patent/IT1196506B/it active
-
1987
- 1987-06-29 ES ES87201240T patent/ES2019370B3/es not_active Expired - Lifetime
- 1987-06-29 DE DE8787201240T patent/DE3766773D1/de not_active Expired - Lifetime
- 1987-06-29 EP EP87201240A patent/EP0256570B1/fr not_active Expired - Lifetime
- 1987-06-29 AT AT87201240T patent/ATE59161T1/de not_active IP Right Cessation
- 1987-07-15 BR BR8703701A patent/BR8703701A/pt not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1240823A (en) * | 1967-07-26 | 1971-07-28 | Vickers Ltd | Improvements in frames for presses |
DE2449256A1 (de) * | 1973-10-18 | 1975-04-24 | Carbox Ab | Maschinenrahmen |
FR2254425A1 (en) * | 1973-12-13 | 1975-07-11 | Plastiremo | Moulding press with a modular fabricated frame - capable of rearrangement to suit various mould and clamp tool sizes |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN, unexamined applications, M section, vol. 7, no. 110, May 13, 1983 THE PATENT OFFICE JAPANESE GOVERNMENT page 2 M 214 * JP - A - 56-128 475 ( KOOTAKI ) * * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4444946C1 (de) * | 1994-12-16 | 1995-08-17 | Netzsch Erich Holding | Rahmenförmiges Pressengestell |
GB2371515A (en) * | 2000-12-22 | 2002-07-31 | Kvm Industrimaskiner As | Main frame for a concrete block moulding apparatus |
GB2371515B (en) * | 2000-12-22 | 2004-06-30 | Kvm Industrimaskiner As | Main frame for a concrete block moulding apparatus |
EP1306201A2 (fr) * | 2001-10-24 | 2003-05-02 | Aida Engineering Co., Ltd. | Presse |
EP1306201A3 (fr) * | 2001-10-24 | 2003-11-12 | Aida Engineering Co., Ltd. | Presse |
US6871587B2 (en) | 2001-10-24 | 2005-03-29 | Aida Engineering Co., Ltd. | Machine press |
IT201800005716A1 (it) * | 2018-05-25 | 2019-11-25 | Macchina per la formatura di manufatti ceramici | |
WO2019224759A1 (fr) * | 2018-05-25 | 2019-11-28 | Siti - B&T Group S.P.A. | Machine pour la formation d'articles en céramique |
US11701853B1 (en) | 2019-06-21 | 2023-07-18 | Pmg Cos Az, Llc | Rosin press with interlocking frame |
Also Published As
Publication number | Publication date |
---|---|
DE3766773D1 (de) | 1991-01-31 |
IT8621151A0 (it) | 1986-07-16 |
ES2019370B3 (es) | 1991-06-16 |
BR8703701A (pt) | 1988-03-29 |
IT1196506B (it) | 1988-11-16 |
EP0256570B1 (fr) | 1990-12-19 |
ATE59161T1 (de) | 1991-01-15 |
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