DE102008040230A1 - Injection molding decorating component i.e. key, production arrangement for control panel of e.g. car radio device, has injection opening for injecting sprayed material into chamber such that material strikes on sheet - Google Patents
Injection molding decorating component i.e. key, production arrangement for control panel of e.g. car radio device, has injection opening for injecting sprayed material into chamber such that material strikes on sheet Download PDFInfo
- Publication number
- DE102008040230A1 DE102008040230A1 DE200810040230 DE102008040230A DE102008040230A1 DE 102008040230 A1 DE102008040230 A1 DE 102008040230A1 DE 200810040230 DE200810040230 DE 200810040230 DE 102008040230 A DE102008040230 A DE 102008040230A DE 102008040230 A1 DE102008040230 A1 DE 102008040230A1
- Authority
- DE
- Germany
- Prior art keywords
- injection
- film
- component
- sheet
- chamber
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0027—Gate or gate mark locations
Abstract
Description
Stand der TechnikState of the art
Die Erfindung geht von einer Anordnung und einem Verfahren zur Herstellung eines IMD-Bauteils sowie einem IMD-Bauteil nach der Gattung der unabhängigen Patentansprüche aus.The The invention relates to an arrangement and a method for the production an IMD component and an IMD component according to the genus of independent claims.
Aus
beispielsweise
Für IMD-Technik werden üblicherweise Angussformen eingesetzt, die einen direkten Schmelzefluss des Spritzguts im Winkel von annähernd 90 Grad auf die im Werkzeug, also die Gussform, eingelegte Folie produzieren. Dabei muss die Folie flächig getroffen werden, um durch das Spritzgut in Position gehalten zu werden und somit ein Verrutschen der Folie in der Form während des Gießens zu verhindern. Üblich sind beispielsweise Tunnel-Angösse, Zylinder-Angösse und dergleichen.For IMD technology usually uses sprue molds which approximates a direct melt flow of the injection molding at an angle 90 degrees to the in the tool, so the mold, inserted foil to produce. The film must be hit flat, to be held in position by the spray material and thus slipping of the film in the mold during casting to prevent. Typical examples are tunnel shoots, cylinder bosses and the same.
Nachteilig hierbei ist, dass bei üblichen Angussformen der Schmelzefluss im Wesentlichen punktförmig auf die Folie trifft und von dort umgelenkt und über die Folienfläche verteilt wird. Damit verbunden ist die Gefahr von Auswaschungen der Dekoration, also beispielsweise Beschriftung, der Folie.adversely here is that in conventional sprue forms the melt flow essentially punctiform meets the foil and of redirected there and distributed over the foil surface becomes. This is associated with the danger of leaching of the decoration, So for example, caption, the slide.
Vorteile der ErfindungAdvantages of the invention
Die Erfindung hat demgegenüber den Vorteil, dass Auswaschungen der Foliendekoration durch den Spritzgussprozess wirksam und zuverlässig vermieden werden. Die Erfindung trägt damit zu einer Erhöhung der Qualität von nach dem IMD-Verfahren gefertigten Bauteilen bei.The In contrast, the invention has the advantage that washouts the foil decoration by the injection molding process effectively and reliably be avoided. The invention thus contributes to an increase the quality of components manufactured according to the IMD process at.
Dies wird erfindungsgemäß dadurch erreicht, dass der Angusspunkt in einen beim fertigen Bauteil für einen Benutzer nicht sichtbaren Bereich, eine Vorfüllkammer, verlegt wird.This is inventively achieved in that the Gating point in a finished component for a user invisible area, a Vorfüllkammer, is laid.
Ein weiterer Vorteil besteht darin, dass der Schmelzefluss dabei sehr homogen auf den sichtbaren Bereich des Bauteils wirken kann, sodass Oberflächenirritationen durch einen inhomogenen Schmelzefluss vermieden werden. Trotz des außermittigen Anspritzens der Folie ist es möglich, diese zuverlässig und verrutschsicher in der Form in Position zu halten und somit Faltenbildung oder dergleichen zu vermeiden.One Another advantage is that the melt flow is very can act homogeneously on the visible area of the component, so that Surface irritations due to an inhomogeneous melt flow be avoided. Despite the off - center spraying of the Foil it is possible, this reliable and slip-proof to hold in position in the mold and thus wrinkling or the like to avoid.
Der vorfüllkammerförmige, an das Bauteil angespritzte Fortsatz kann vorteilhaft als Handhabe für eine weitere Bearbeitung des Bauteils verwendet werden. Alternativ kann, eine entsprechende Ausgestaltung der Vorfüllkammer vorausgesetzt, der Fortsatz auch einen Lagerzapfen, der von einer Lagerpfanne aufgenommen wird oder beispielsweise eine Dichtleiste, die etwa eine Blickdichtung eines IMD-Bedienelements gegenüber einer Gerätefrontkappe darstellt, bilden.Of the Prefilling chamber-shaped, molded onto the component Extension can be beneficial as a handle for another Processing of the component can be used. Alternatively, a appropriate configuration of Vorfüllkammer provided the extension also has a journal which is received by a bearing cup or for example, a sealing strip, which is about a gaze an IMD control over a front panel represents, form.
Der Schmelzefluss über den Sichtbereich der Folie kann weiter dadurch verbessert werden, dass die Vorfüllkammer von dem Bereich der Spritzgussform, in der der Sichtbereich der Folie eingelegt ist, abgetrennt wird. Hierdurch wird zunächst die Vorfüllkammer mit Spritzgut gefüllt und erst im Anschluss ergibt sich dann ein sehr laminarer Schmelzefluss des Spritzguts über den Sichtbereich der Folie.Of the Melt flow over the field of vision of the film can continue be improved by the Vorfüllkammer of the Area of the injection mold in which the viewing area of the film is inserted, is separated. This will initially the Vorfüllkammer filled with spray and only after the results then a very laminar melt flow of the injection over the field of vision of the film.
Zeichnungendrawings
Ausführungsbeispiele der Erfindung sind in den Figuren dargestellt und werden nachfolgend näher erläutert. Gleiche Bezugszeichen in den Figuren verweisen dabei auf gleiche oder gleichwirkende Elemente.embodiments The invention is illustrated in the figures and will be described below explained in more detail. Same reference numerals in the Figures refer to the same or equivalent elements.
Es zeigenIt demonstrate
Beschreibung der AusführungsbeispieleDescription of the embodiments
Die
in
In
das weibliche Formteil
Ein
erster Abschnitt
Neben
dem Sichtbereich
In
der
Gemäß einer
Weiterbildung der Anordnung ist an dem dem Sichtbereich
Sobald
die Kavität
Das
der Form entnommene Bauteil ist in
Der
weitere Bereich
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - EP 0886291 B1 [0002] EP 0886291 B1 [0002]
- - JP 10249887 A [0002] - JP 10249887 A [0002]
- - EP 11014409 A2 [0002] - EP 11014409 A2 [0002]
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810040230 DE102008040230A1 (en) | 2008-07-07 | 2008-07-07 | Injection molding decorating component i.e. key, production arrangement for control panel of e.g. car radio device, has injection opening for injecting sprayed material into chamber such that material strikes on sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810040230 DE102008040230A1 (en) | 2008-07-07 | 2008-07-07 | Injection molding decorating component i.e. key, production arrangement for control panel of e.g. car radio device, has injection opening for injecting sprayed material into chamber such that material strikes on sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008040230A1 true DE102008040230A1 (en) | 2010-01-14 |
Family
ID=41412865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810040230 Ceased DE102008040230A1 (en) | 2008-07-07 | 2008-07-07 | Injection molding decorating component i.e. key, production arrangement for control panel of e.g. car radio device, has injection opening for injecting sprayed material into chamber such that material strikes on sheet |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008040230A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115139459A (en) * | 2022-06-29 | 2022-10-04 | 宁波市柏丽凯日用工艺品有限公司 | Injection molding equipment for processing storage box and production method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10249887A (en) | 1997-03-17 | 1998-09-22 | Dainippon Printing Co Ltd | Simultaneous painting device for injection molding machine and its method |
EP0886291B1 (en) | 1997-04-14 | 2004-02-11 | Polymatech Co., Ltd. | Sheet-like key top and its manufacturing method |
-
2008
- 2008-07-07 DE DE200810040230 patent/DE102008040230A1/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10249887A (en) | 1997-03-17 | 1998-09-22 | Dainippon Printing Co Ltd | Simultaneous painting device for injection molding machine and its method |
EP0886291B1 (en) | 1997-04-14 | 2004-02-11 | Polymatech Co., Ltd. | Sheet-like key top and its manufacturing method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115139459A (en) * | 2022-06-29 | 2022-10-04 | 宁波市柏丽凯日用工艺品有限公司 | Injection molding equipment for processing storage box and production method thereof |
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Legal Events
Date | Code | Title | Description |
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OP8 | Request for examination as to paragraph 44 patent law | ||
R016 | Response to examination communication | ||
R084 | Declaration of willingness to licence | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |