EP0350491A1 - Injection mould for manufacture of plastic parts from chemical materials - Google Patents
Injection mould for manufacture of plastic parts from chemical materialsInfo
- Publication number
- EP0350491A1 EP0350491A1 EP19880902811 EP88902811A EP0350491A1 EP 0350491 A1 EP0350491 A1 EP 0350491A1 EP 19880902811 EP19880902811 EP 19880902811 EP 88902811 A EP88902811 A EP 88902811A EP 0350491 A1 EP0350491 A1 EP 0350491A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- cassette
- mold
- injection mold
- cassette 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.)
- Withdrawn
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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2673—Moulds with exchangeable mould parts, e.g. cassette moulds
- B29C45/2675—Mounting of exchangeable mould inserts
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
- B29C45/322—Runner systems for distributing the moulding material to the stacked mould cavities
Definitions
- the invention relates to an injection mold for the manufacture of plastic parts made of chemical materials on a longitudinally divided mold mounting plate, to which a mold half of a mold is fastened on one or both sides and between which the melt guide system is arranged, the two parts being arranged by a quick release device are held together, after their release, part or both of the parts can be moved laterally on guide rails.
- the invention is based on the object of designing an injection mold of the type shown in such a way that the closing pressure does not act on the end plates of the locking system, but rather via the molds.
- the mold half is designed as a cassette plate and can be inserted into an opening of the divided mold mounting plate provided with fitting pieces and can be positioned on the fitting pieces.
- thrust pieces for transmitting the closing force are arranged on the surface of the cassette plate facing the melt guide system.
- the thrust pieces of the two parts of the divided platen are expediently arranged directly opposite one another and rest against one another with their end faces.
- a separate melt guide system is advantageously fixedly arranged on each cassette plate between the pressure pieces.
- the mold nozzles are arranged in the cassette plate. The arrangement of the pressure pieces opens up the possibility of also directly operating individual ejectors on the surface of the cassette plate facing the melt guide system.
- the shape-half is by the cassette plate and a settenplatte at this Kas ⁇ mounted contours plate formed.
- FIG. 1 shows a cross section through a divided mold clamping plate with a cassette plate inserted into an opening
- FIG. 2 shows a longitudinal section through a central, divided mold mounting plate, each with a cassette plate inserted into the openings.
- the cassette plate 1 is inserted into an opening 2 of the longitudinally divided mold mounting plate 4 and is in contact with fitting pieces 3, whereby an exact positioning is achieved.
- the cassette plate 1 is attached to the platen 4.
- Pressure elements 6 are arranged on the surface of the cassette plate 1 facing the melt guide system 5 in order to transmit the closing force.
- the pressure pieces 6 of the two parts of the divided mold clamping plates 4 are arranged opposite one another and lie against one another with the end faces.
- the pressure pieces 6 have a depth such that the cavity created between the cassette plates 1 can serve both for receiving the melt control system 5 and for receiving directly operated individual ejectors.
- melt guide system 5 is fixedly arranged on each cassette plate 1.
- the directly operated individual ejectors are also arranged on the surface of the cassette plate 1 facing the melt guide system 5 between the pressure pieces 6.
- the shaping nozzles 7 are arranged in the cassette plates 1.
- a mold half can be formed by the cassette plate 1 and a contour plate connected to the cassette plate 1 as the actual tool half.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Dans une presse de moulage par injection comportant un plateau porte-outil bissecteur, un moule d'injection est fixé des deux côtés sur ledit plateau de telle manière que la pression de serrage s'exerce directement à travers les moules sur les plaques terminales du système de serrage. A cet effet, le demi-moule est configuré comme une plaque en forme de cassette (1) qui peut être introduite dans une perforation du plateau porte-moule et positionnée sur des pièces de centrage (3). La force de serrage est transmise par des pièces de pression (6) disposées sur la surface de la plaque en forme de cassette, qui est tournée vers le système de guidage de la matière en fusion (5). Les pièces de pression des deux parties du plateau porte-moule sont disposées directement en regard l'une de l'autre, leurs faces frontales se touchant. Le système de guidage de la matière en fusion et, éventuellement, des éjecteurs individuels sont agencés dans l'espace creux entre la plaque en forme de cassette et les pièces de pression.In an injection molding press comprising a bisector tool-holder plate, an injection mold is fixed on both sides to said plate so that the clamping pressure is exerted directly through the molds on the end plates of the system Clamping. For this purpose, the half-mold is configured as a cassette-shaped plate (1) which can be introduced into a perforation of the mold-holding plate and positioned on centering pieces (3). The clamping force is transmitted by pressure pieces (6) arranged on the surface of the cassette-shaped plate, which faces the guide system for the molten material (5). The pressure pieces of the two parts of the mold carrier plate are arranged directly opposite one another, their front faces touching. The system for guiding the molten material and, optionally, individual ejectors are arranged in the hollow space between the cassette-shaped plate and the pressure pieces.
Description
Spritzgießform zum Herstellen von Kunststofftei len aus ChemiewerkstoffenInjection mold for the production of plastic parts from chemical materials
Die Erfindung betrifft eine Spritzgießform zum Her¬ stellen von Kunststofftei len aus Chemiewerkstoffen auf einer längsgeteilten Formaufspannpl atte , an der ein- oder beidseitig je eine Formhälfte einer Form befestigt ist und zwischen deren beiden Teilen das Schmelzeleit¬ system angeordnet ist, wobei die beiden Teile durch eine Schnellspannvorrichtung zusammengehalten sind, nach deren Lösen ein Teil oder beide Teile seitlich auf Führungsholmen verfahrbar ist bzw. sind.The invention relates to an injection mold for the manufacture of plastic parts made of chemical materials on a longitudinally divided mold mounting plate, to which a mold half of a mold is fastened on one or both sides and between which the melt guide system is arranged, the two parts being arranged by a quick release device are held together, after their release, part or both of the parts can be moved laterally on guide rails.
Bei den bekannten Spritzgießmaschinen mit längsgeteil¬ ter Formaufspannp 1 atte (DE-PS 34 28 780) sind die Form¬ hälften beidseitig auf der Formaufspannplatte fest ange¬ ordnet. Der Schließdruck wirkt hierbei direkt auf die Formaufspannplatte .In the known injection molding machines with Langsgeeil¬ ter mold clamping plate 1 (DE-PS 34 28 780), the mold halves are firmly arranged on both sides of the mold clamping plate. The closing pressure acts directly on the platen.
Der Erfindung liegt die Aufgabe zugrunde, eine Spritz¬ gießform der aufgezeigten Gattung so auszubilden, daß der Schließdruck nicht über die mittlere Formaufspann- platte, sondern direkt über die Formen auf die End¬ platten des Schließsystems wirkt.The invention is based on the object of designing an injection mold of the type shown in such a way that the closing pressure does not act on the end plates of the locking system, but rather via the molds.
EBSATZBLATT
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Formhälfte als Kassettenplatte ausgebildet und in einen mit Paßstücken versehenen Durchbruch der geteil¬ ten Formaufspannplatte einführbar und an den Paßstücken positionierbar ist.EBSATZBLATT This object is achieved according to the invention in that the mold half is designed as a cassette plate and can be inserted into an opening of the divided mold mounting plate provided with fitting pieces and can be positioned on the fitting pieces.
In Ausgestaltung der Erfindung sind auf der dem Schmel¬ zeleitsystem zugewandten Fläche der Kassettenplatte Druckstücke zur Übertragung der Schließkraft angeordnet. Zweckmäßigerweise sind die Druckstücke der beiden Teile der geteilten Formaufspannplatte direkt gegenüberliegend angeordnet und liegen mit ihren Stirnflächen aneinander an. Vorteilhafterweise ist an jeder Kassettenplatte zwi¬ schen den Druckstücken jeweils ein separates Schmelze- leitsystem fest angeordnet. 'Vortei lhafterweise sind in der Kassettenplatte die Formdüsen angeordnet. Die An¬ ordnung der Druckstücke eröffnet die Möglichkeit, auf der dem Schmelzeleitsystem zugewandten Fläche der Kassettenplatte auch direkt betriebene Einzelauswerfer anzuordnen.In an embodiment of the invention, thrust pieces for transmitting the closing force are arranged on the surface of the cassette plate facing the melt guide system. The thrust pieces of the two parts of the divided platen are expediently arranged directly opposite one another and rest against one another with their end faces. A separate melt guide system is advantageously fixedly arranged on each cassette plate between the pressure pieces. ' Advantageously, the mold nozzles are arranged in the cassette plate. The arrangement of the pressure pieces opens up the possibility of also directly operating individual ejectors on the surface of the cassette plate facing the melt guide system.
Bei'eine bevorzugten Ausführungsbeispiel ist die Form¬ hälfte durch die Kassettenplatte und eine an dieser Kas¬ settenplatte angebrachten Konturenplatte gebildet.In 'a preferred embodiment, the shape-half is by the cassette plate and a settenplatte at this Kas¬ mounted contours plate formed.
Durch die erfindungsgemäße Ausbildung ist zwischen der Kassetteπplatte und den Druckstücken ein Hohlraum ge¬ schaffen, in dem das jeweils zugeordnete Schmelzeleit¬ system angeordnet ist« Der Schließdruck wirkt nicht mehr auf die mittlere Formaufspannplatte , sondern auf die ge-
gegenüberliegend angeordneten Druckstücke der Kassetten¬ platten und damit direkt über die Formen auf die End¬ platten des Schließsystems. Außerdem besteht die Mög¬ lichkeit, im Hohlraum direkt betriebene Einzelauswerfer anzuordnen und auf der Kassettenplatte zu befestigen.As a result of the design according to the invention, a cavity is created between the cassette plate and the pressure pieces, in which the respectively assigned melt guide system is arranged. "The closing pressure no longer acts on the central mold mounting plate, but on the opposing pressure pieces of the cassette plates and thus directly over the molds on the end plates of the locking system. There is also the possibility of arranging individual ejectors which are operated directly in the cavity and of fastening them on the cassette plate.
Ein Ausführungsbeispiel der Erfindung ist in der Zeich¬ nung dargestellt und wird im folgenden näher beschrie¬ ben. Es zeigen:An embodiment of the invention is shown in the drawing and is described in more detail below. Show it:
Fig. 1 einen Querschnitt durch eine geteilte Formauf¬ spannplatte mit einer in einen Durchbruch ein¬ geführten Kassettenplatte und1 shows a cross section through a divided mold clamping plate with a cassette plate inserted into an opening and
Fig. 2 einen Längsschnitt durch eine mittlere geteil¬ te Formaufspannplatte mit je einer in die Durch¬ brüche eingeführten Kassettenplatte.2 shows a longitudinal section through a central, divided mold mounting plate, each with a cassette plate inserted into the openings.
Die Kassettenplatte 1 ist in einem Durchbruch 2 der längsgeteilten Formaufspannpl atte 4 eingeführt und liegt an Paßstücken 3 an, wodurch eine exakte Positio¬ nierung erreicht wird. Die Kassettenplatte 1 ist an der Formaufspannplatte 4 befestigt. Auf der dem Schmel¬ zeleitsystem 5 zugewandten Fläche der Kassettenplatte 1 sind zur Übertragung der Schließkraft Druckstücke 6 an¬ geordnet. Die Druckstücke 6 der beiden Teile der ge¬ teilten Formaufspannpl atte 4 sind gegenüberliegend an¬ geordnet und liegen mit den Stirnflächen aneinander an. Die Druckstücke 6 besitzen eine solche Tiefe, daß der zwischen den Kassettenplatten 1 geschaffene Hohlraum
sowohl zur Aufnahme des Schmelzeleitsystems 5, als auch zur Aufnahme von direkt betriebenen Einzelauswerfern dienen kann.The cassette plate 1 is inserted into an opening 2 of the longitudinally divided mold mounting plate 4 and is in contact with fitting pieces 3, whereby an exact positioning is achieved. The cassette plate 1 is attached to the platen 4. Pressure elements 6 are arranged on the surface of the cassette plate 1 facing the melt guide system 5 in order to transmit the closing force. The pressure pieces 6 of the two parts of the divided mold clamping plates 4 are arranged opposite one another and lie against one another with the end faces. The pressure pieces 6 have a depth such that the cavity created between the cassette plates 1 can serve both for receiving the melt control system 5 and for receiving directly operated individual ejectors.
Wie aus der Figur 2 ersichtlich, ist an jeder Kassetten¬ platte 1 jeweils ein separates Schmelzeleitsystem 5 fest angeordnet. Die direkt betriebenen Einzelauswerfer sind ebenfalls auf der dem Schmelzeleitsystem 5 zuge¬ wandten Fläche der Kassettenplatte 1 zwischen den Druck¬ stücken 6 angeordnet.As can be seen from FIG. 2, a separate melt guide system 5 is fixedly arranged on each cassette plate 1. The directly operated individual ejectors are also arranged on the surface of the cassette plate 1 facing the melt guide system 5 between the pressure pieces 6.
In den Kassettenplatten 1 sind die Formdüsen 7 angeord¬ net. Eine Formhälfte kann durch die Kassettenplatte 1 und eine mit der Kassettenplatte 1 verbundene Konturen- platte als eigentliche Werkzeughälfte gebildet sein.
The shaping nozzles 7 are arranged in the cassette plates 1. A mold half can be formed by the cassette plate 1 and a contour plate connected to the cassette plate 1 as the actual tool half.
Claims
1. Spritzgießform zum Herstellen von Kunststoff¬ teilen aus Chemiewerkstoffen auf einer längsgeteil¬ ten Formaufspannplatte , an der ein- oder beidseitig je eine Formhälf-te einer Form befestigt ist und zwischen deren beiden Teilen das Schmelzeleitsystem angeordnet ist, wobei die beiden Teile durch eine Schnei 1 spannvorrichtung zusammengehalten sind, nach deren Lösen ein Teil oder beide Teile seitlich auf Führungsholmen verfahrbar ist bzw. sind, dadurch gekennzeichnet, daß die Formhälfte als Kassetten¬ platte (1) ausgebildet und in einen mit Paßstücken (3) versehenen Durchbruch (2) der geteilten Form¬ aufspannplatte (4) einführbar und an den Paßstücken •(3) positionierbar ist.1. Injection mold for the production of plastic parts from chemical materials on a longitudinally divided mold mounting plate, to which a mold half of a mold is attached on one or both sides and between which the melt guidance system is arranged, the two parts being cut by a cut 1 clamping device are held together, after their release, part or both of the parts can be moved laterally on guide rails, characterized in that the mold half is designed as a cassette plate (1) and in an opening (2) provided with fitting pieces (3) split mold platen (4) can be inserted and positioned on the fittings • (3).
2. Spritzgießform nach Anspruch 1 , dadurch gekenn¬ zeichnet, daß auf der dem Schmelzeleitsystem (5) zugewandten Fläche der Kassettenplatte (1) Druck¬ stücke (6) zur Übertragung der Schließkraft angeord- net sind.2. Injection mold according to claim 1, characterized gekenn¬ characterized in that on the melt guide system (5) facing surface of the cassette plate (1) Druck¬ pieces (6) are arranged for transmitting the closing force.
ERSATZBLÄTT SPARE BLADE
3. Spritzgießform nach Anspruch 1 oder 2, dadurch ge¬ kennzeichnet, daß die Druckstücke (6) der beiden Kassettenplatten (1) gegenüberliegend angeordnet sind und mit den Stirnflächen aneinander anliegen.3. Injection mold according to claim 1 or 2, characterized in that the pressure pieces (6) of the two cassette plates (1) are arranged opposite one another and abut one another with the end faces.
4. Spritzgießform nach einem der Ansprüche 1 bis 3, da¬ durch gekennzeichnet, daß an jeder Kassettenplatte (1) jeweils ein separates Schmelzeleitsystem (5) fest angeordnet ist.4. Injection mold according to one of claims 1 to 3, da¬ characterized in that a separate melt guide system (5) is fixedly arranged on each cassette plate (1).
5. Spritzgießform nach einem der Ansprüche 1 bis 4, da¬ durch gekennzeichnet, daß das Schmelzeleitsystem (5) zwischen den Druckstücken (6) angeordnet ist.5. Injection mold according to one of claims 1 to 4, da¬ characterized in that the melt control system (5) is arranged between the pressure pieces (6).
6. Spritzgießform nach einem der Ansprüche 1 bis 5, da¬ durch gekennzeichnet, daß in der Kassettenplatte (1) die Formdüsen (7) befestigt sind.6. Injection mold according to one of claims 1 to 5, da¬ characterized in that the molding nozzles (7) are fixed in the cassette plate (1).
7. Spritzgießform nach einem der Ansprüche 1 bis 6, da- durch gekennzeichnet, daß auf der dem Schmelzeleit-7. Injection mold according to one of claims 1 to 6, characterized in that on the melt conductor
-.system (5) zugewandten Fläche der Kassettenplatte (1) zwischen den Druckstücken (6) direkt betriebene Ein¬ zelauswerfer angeordnet sind.-.system (5) facing surface of the cassette plate (1) between the pressure pieces (6) directly operated single ejectors are arranged.
8. Spritzgießform nach einem der Ansprüche 1 bis 7, da¬ durch gekennzeichnet, daß die Formhälfte durch die Kassettenplatte (1) und eine an dieser Kassetten¬ platte (1) angebrachte Konturenplatte gebildet ist.8. Injection mold according to one of claims 1 to 7, characterized in that the mold half is formed by the cassette plate (1) and a contour plate attached to this cassette plate (1).
ERSATZBLATT f-REPLACEMENT LEAF f-
Aufstellung der BezugszeichenList of reference numbers
1 Kassettenplatte1 cassette plate
2 Durchbruch2 breakthrough
3 Paßstücke3 adapters
4 Formaufspannpl atte4 mold clamping plates
5 Schmelzeleitsystem5 melt control system
6 Druckstücke6 pressure pieces
7 Formdüsen 7 molding nozzles
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3711390 | 1987-04-04 | ||
| DE19873711390 DE3711390A1 (en) | 1987-04-04 | 1987-04-04 | INJECTION MOLD FOR MAKING PLASTIC PARTS FROM CHEMICAL MATERIALS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0350491A1 true EP0350491A1 (en) | 1990-01-17 |
Family
ID=6324874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19880902811 Withdrawn EP0350491A1 (en) | 1987-04-04 | 1988-04-05 | Injection mould for manufacture of plastic parts from chemical materials |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0350491A1 (en) |
| JP (1) | JPH02500897A (en) |
| DE (1) | DE3711390A1 (en) |
| WO (1) | WO1988007923A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1717254A (en) * | 1927-09-01 | 1929-06-11 | Polak Josef | Casting machine |
| US3557408A (en) * | 1968-05-20 | 1971-01-26 | Herbert Corliss Fischer | Apparatus for molding reinforced articles |
| US3871611A (en) * | 1973-05-07 | 1975-03-18 | Taketa Phyllis | Mold with removable and replaceable core and cavity inserts |
| DE3428780C2 (en) * | 1984-08-04 | 1986-03-13 | Stübbe GmbH, 2940 Wilhemshaven | Injection molding machine for the production of plastic parts in injection molding or reaction injection molding |
| JPS61272120A (en) * | 1985-05-28 | 1986-12-02 | Abe Kosakusho:Kk | Cassette-in-cassette die |
| JPS6299126A (en) * | 1985-10-25 | 1987-05-08 | Tominaga Jushi Kogyosho:Kk | Cassette type mold for injection molding |
| DE8609460U1 (en) * | 1986-04-08 | 1986-08-14 | Stübbe GmbH, 8000 München | Injection molding machine for the production of plastic parts in injection molding or reaction injection molding |
-
1987
- 1987-04-04 DE DE19873711390 patent/DE3711390A1/en not_active Withdrawn
-
1988
- 1988-04-05 EP EP19880902811 patent/EP0350491A1/en not_active Withdrawn
- 1988-04-05 JP JP50288088A patent/JPH02500897A/en active Pending
- 1988-04-05 WO PCT/DE1988/000218 patent/WO1988007923A1/en not_active Application Discontinuation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8807923A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1988007923A1 (en) | 1988-10-20 |
| DE3711390A1 (en) | 1988-10-20 |
| JPH02500897A (en) | 1990-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19890930 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT SE |
|
| 17Q | First examination report despatched |
Effective date: 19901018 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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| 18D | Application deemed to be withdrawn |
Effective date: 19910712 |