DE3132949C2 - Maschine zur Herstellung von Formteilen aus Kunststoff- und/oder Verbundwerkstoff-Granulat - Google Patents
Maschine zur Herstellung von Formteilen aus Kunststoff- und/oder Verbundwerkstoff-GranulatInfo
- Publication number
- DE3132949C2 DE3132949C2 DE19813132949 DE3132949A DE3132949C2 DE 3132949 C2 DE3132949 C2 DE 3132949C2 DE 19813132949 DE19813132949 DE 19813132949 DE 3132949 A DE3132949 A DE 3132949A DE 3132949 C2 DE3132949 C2 DE 3132949C2
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- mold cavity
- pistons
- piston
- plunger
- 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.)
- Expired
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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
- B29C31/041—Feeding of the material to be moulded, e.g. into a mould cavity using filling or dispensing heads placed in closed moulds or in contact with mould walls
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/006—Degassing moulding material or draining off gas during moulding
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
-
- 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
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B29C2043/3444—Feeding the material to the mould or the compression means using pressurising feeding means located in the mould, e.g. plungers or pistons
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
- B29C2043/561—Compression moulding under special conditions, e.g. vacuum under vacuum conditions
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C2045/536—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston rotatable injection plungers
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/001—Shaping in several steps
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/251—Particles, powder or granules
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Robotics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Zu Beginn eines Arbeitszyklus ist die Gießform 18 geschlossen; die Kolben 5 und 11 befinden sich in ihren am weitesten zurückgezogenen Ruhestellungen. Diese Situation ist in der Zeichnung dargestellt
Nun wird über den Einfülltrichter 3 und die Einfüllöffnung 4 eine geeignete Menge Granulat zugegeben, das bei Verwendung eines UH F-Resonators in bekannter Weise mit Ruß od. dgl. vorpräpariert ist Der Preßkolben 5 wird in Bewegung gesetzt und schiebt das Granulat in den Plastifizierungsabschnitt 2b. Durch den schieberartig wirkenden Stirnflächenabschnitt Sb wird trotz des schräg gestellten Stirnfiächenabschnittes 8a weitgehend verhindert, daß bei dieser Preßkolbenbewegung Granulat wieder durch die Einfüllöffnung 4 ausgeworfen wird.
dem Zylinderabschnitt 2b, dem Gegenkolben 11 und reicht ist
dessen Stellmotor 13 bestehende Einheit macht diese Das Granulat wird nun zwischen den beiden Kolben-Bewegung der Gießformhälfte 186 mit Stirnflächen 8 und 14 zunächst zu angehäuft, daß es in
UHF-Resonators.ausgestaltet und zur Vermeidung von
Erwärmungen (zur Verbesserung der Resonatorgüte)
aus einem elektrisch gut leitenden Material, Vorzugs- 55
weise Messing, gefertigt Ein Rechteckhohlleiter 21
mündet an geeigneter Stelle in den Zylinderabschnitt 26
eia
Falls der Kolben 11 Nuten 15 aufweist, können an der Zylinderinnenwand in der Nähe seiner Ausgangsstellung kleine, in die Nuten 15 ragende Abstreifer (nicht dargestellt) vorgesehen sein, welche die Nuten von eingedrungenem Material säubern und dem Kolben 11 gleichzeitig eine Drehführung verleihen. Kolbenlänge und Kolbenhub sind entsprechend aufeinander abgestimmt.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813132949 DE3132949C2 (de) | 1981-04-22 | 1981-08-20 | Maschine zur Herstellung von Formteilen aus Kunststoff- und/oder Verbundwerkstoff-Granulat |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813115917 DE3115917C2 (de) | 1981-04-22 | 1981-04-22 | Maschine zur Herstellung von Formteilen aus Kunststoff und/oder Verbundwerkstoff-Granulat |
DE19813132949 DE3132949C2 (de) | 1981-04-22 | 1981-08-20 | Maschine zur Herstellung von Formteilen aus Kunststoff- und/oder Verbundwerkstoff-Granulat |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3132949A1 DE3132949A1 (de) | 1983-03-03 |
DE3132949C2 true DE3132949C2 (de) | 1983-12-08 |
Family
ID=25792805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813132949 Expired DE3132949C2 (de) | 1981-04-22 | 1981-08-20 | Maschine zur Herstellung von Formteilen aus Kunststoff- und/oder Verbundwerkstoff-Granulat |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3132949C2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391293B (de) * | 1987-10-09 | 1990-09-10 | Engel Gmbh Maschbau | Spritzgiessmaschine |
DE4108606C1 (de) * | 1991-03-16 | 1992-09-17 | Schuetz-Werke Gmbh & Co Kg, 5418 Selters, De | |
USRE35783E (en) * | 1991-10-25 | 1998-05-05 | Engel Maschinenbau Gesellschaft M.B.H. | Injection molding machine having tiltable mounting plates |
US5249951A (en) * | 1991-10-25 | 1993-10-05 | Engel Maschinenbau Gesellschaft M.B.H. | Injection molding machine having tiltable mounting plates |
AT398291B (de) * | 1992-03-24 | 1994-11-25 | Engel Gmbh Maschbau | Spritzgiessmaschine |
FR3100739B1 (fr) * | 2019-09-12 | 2022-11-25 | Safran Aircraft Engines | Injecteur de resine pour la fabrication d’une piece composite, en particulier pour un moteur d’aeronef |
DE102022132684A1 (de) | 2022-12-08 | 2024-06-13 | Bayerische Motoren Werke Aktiengesellschaft | Tragbares Gerät zur Herstellung eines Probenkörpers und Verfahren zur Bewertung eines Probenkörpers |
-
1981
- 1981-08-20 DE DE19813132949 patent/DE3132949C2/de not_active Expired
Non-Patent Citations (1)
Title |
---|
NICHTS-ERMITTELT |
Also Published As
Publication number | Publication date |
---|---|
DE3132949A1 (de) | 1983-03-03 |
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Legal Events
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AF | Is addition to no. |
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OP8 | Request for examination as to paragraph 44 patent law | ||
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D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HANSA METALLWERKE AG, 7000 STUTTGART, DE |
|
8381 | Inventor (new situation) |
Free format text: GOEHRING, KARL, DIPL.-ING., 7000 STUTTGART, DE |
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8340 | Patent of addition ceased/non-payment of fee of main patent |