EP2292345B1 - Auswerfer für ein formwerkzeug zum tiefziehen - Google Patents
Auswerfer für ein formwerkzeug zum tiefziehen Download PDFInfo
- Publication number
- EP2292345B1 EP2292345B1 EP10382212.8A EP10382212A EP2292345B1 EP 2292345 B1 EP2292345 B1 EP 2292345B1 EP 10382212 A EP10382212 A EP 10382212A EP 2292345 B1 EP2292345 B1 EP 2292345B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die
- graphical element
- deep drawing
- ejectors
- deep
- 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.)
- Active
Links
- 239000013013 elastic material Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/026—Dies
Definitions
- the invention relates to a die ejector for deep drawing press according to the preamble of claim 1, providing the function for which they are intended with novelty features and advantages which improve those already known on the market for the same purpose.
- the object of the invention is focused on die ejectors for deep drawing by means of pressure, especially dies of the type intended, suitably positioned in a compression element, for deep drawing license plates and/or similar elements, which incorporate a series of thickened portions or flanges which substantially improve the effectiveness thereof.
- both parts of the die must be separated, for which one of them has the so-called ejectors, formed by elements or bodies made of polyurethane which facilitate said operation, preventing both parts of the die from being adhered or hooked to the plate during the application of the pressure.
- these ejectors are located in the area perimetric to the cavity or flanges, i.e., externally to the graphical element, causing the drawback that, when the press applies pressure thereon, there are marks in the plate around the graphical elements, which are obviously anti-aesthetic.
- the applicant himself is the proprietor or a utility model with number U200600425, which relates to die ejectors for deep drawing press, in which said ejectors are formed by small independent elements suitable for being incorporated or inserted inside the hollow area created especially for such purpose in the central area of the male part of the die, adapting to the different shapes that said graphical element has in each case, which elements furthermore have at their upper part a flange or lug intended to absorb the pressure exerted by the press.
- the objective of the present invention is therefore to develop a new type of improved ejectors which solve the drawbacks described above in a practical manner, allowing a much quicker and simpler placement thereof in the die and improving the effectiveness at the time of removing the plate after the deep drawing operation.
- the ejectors proposed with the present invention are formed from a body made of polyurethane, rubber or any other elastic material which, adopting the configuration of the graphical element to be deep drawn to allow the placement thereof in the hollow of said graphical element in the female part of the die, have on their upper surface a plurality of longitudinal flanges separated from one another, preferably in an equidistant manner, and preferably identical, which are always arranged with the same orientation and in a horizontal position, i.e., parallel with respect to the horizontal axis of the graphical element to be deep drawn.
- said flanges consist of elevations on the ejector part, all of them arranged in same horizontal direction, they facilitate to a great extent the extraction of the license plate, because since the latter is generally a rectangular landscape plate, more long than wide, it can be extracted in the same direction of the mentioned flanges, the time invested in such operation being advantageously reduced, which logically affects the final cost of the product. Furthermore, even though the plate to be deep drawn presents any other configuration, knowing the horizontal orientation of the mentioned flanges of the ejectors, the operator will speed up the operation of extracting the plates to a great extent.
- the described improved die ejectors for deep drawing press therefore represent an innovative structure with structural and constitutive features unknown up until now for such purpose, which reasons, added to their practical usefulness, provide them with sufficient grounds for obtaining the exclusivity privilege which is sought.
- the ejectors in question are formed from a body (1) made of polyurethane, rubber or any other elastic material which, adopting the configuration of the graphical element (2) to be deep drawn, is incorporated in the hollow of said graphical element in the female part (3) of the die, which normally consists of said female part and another male part (4) in which the same graphical element (2) is made inversely in relief.
- a plurality of longitudinal flanges (5) in the upper surface of said body (1) is contemplated, which flanges are arranged separated from one another, preferably in an equidistant manner, all of them preferably being identical in shape and size and arranged such that all of them have the same orientation, said orientation being horizontal, i.e., parallel with respect to the horizontal axis (2a) of the graphical element (2) to be deep drawn.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Claims (3)
- Auswerfer für ein Formwerkzeug für eine Tiefziehpresse, der Art die dazu vorgesehen ist, die Entkopplung der tiefzuziehenden Platte und der Matrize (3) und des Stempels (4), welche das Formwerkzeug bilden, zu erleichtern, gebildet aus Teilen hergestellt aus Polyurethan, Gummi oder einem anderen elastischen Material, der Art gebildet aus einem Körper (1), welcher die Ausbildung des tiefzuziehenden graphischen Elements (2) annimmt und dazu geeignet ist, in dem Hohlraum des genannten graphischen Elements, der in der Matrize (3) des Formwerkzeugs vorgesehen ist, eingebracht zu werden, dadurch gekennzeichnet, dass die obere Fläche des genannten Körpers (1) eine Vielzahl von longitudinalen Vorsprüngen (5), bestehend aus Erhöhungen auf der genannten oberen Fläche des genannten Körpers (1), aufweist, welche voneinander getrennt angeordnet sind, so dass alle dieselbe Ausrichtung aufweisen, wobei die genannte Ausrichtung horizontal, d.h., parallel in Bezug auf die horizontale Achse (2a) des tiefzuziehenden graphischen Elements (2) ist.
- Verbesserter Auswerfer für ein Formwerkzeug für eine Tiefziehpresse nach Anspruch 1, dadurch gekennzeichnet, dass die longitudinalen Vorsprünge (5) des Körpers (1) äquidistant voneinander angeordnet sind.
- Verbesserter Auswerfer für ein Formwerkzeug für eine Tiefziehpresse nach Anspruch 1, dadurch gekennzeichnet, dass die longitudinalen Vorsprünge (5) des Körpers (1) alle eine identische Form und Größe aufweisen.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200930352U ES1070816Y (es) | 2009-08-05 | 2009-08-05 | Expulsores de matriz para embuticiones por presion perfeccionados |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2292345A1 EP2292345A1 (de) | 2011-03-09 |
EP2292345B1 true EP2292345B1 (de) | 2015-09-09 |
Family
ID=41202373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10382212.8A Active EP2292345B1 (de) | 2009-08-05 | 2010-07-30 | Auswerfer für ein formwerkzeug zum tiefziehen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2292345B1 (de) |
ES (2) | ES1070816Y (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2191952B1 (de) * | 1972-07-12 | 1975-06-13 | Halfon Pierre | |
FR2541914B1 (fr) * | 1983-03-02 | 1985-12-20 | Essarauto 2000 | Outillage d'estampage de chiffres et lettres sur des plaques, notamment pour la confection de plaques d'immatriculation |
US4741197A (en) * | 1986-04-25 | 1988-05-03 | Aluminum Company Of America | Ejection of superplastically formed part with minimum distortion |
FR2636867B3 (fr) * | 1988-09-27 | 1990-12-07 | Bornarel Guy | Outillage d'emboutissage et de decoupe a ejecteurs elastiques |
-
2009
- 2009-08-05 ES ES200930352U patent/ES1070816Y/es not_active Expired - Fee Related
-
2010
- 2010-07-30 ES ES10382212.8T patent/ES2554656T3/es active Active
- 2010-07-30 EP EP10382212.8A patent/EP2292345B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
ES2554656T3 (es) | 2015-12-22 |
ES1070816U (es) | 2009-10-30 |
EP2292345A1 (de) | 2011-03-09 |
ES1070816Y (es) | 2010-01-28 |
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