DE19615309B4 - Method, injection-molded body and injection mold for producing an injection-molded body - Google Patents
Method, injection-molded body and injection mold for producing an injection-molded body Download PDFInfo
- Publication number
- DE19615309B4 DE19615309B4 DE19615309A DE19615309A DE19615309B4 DE 19615309 B4 DE19615309 B4 DE 19615309B4 DE 19615309 A DE19615309 A DE 19615309A DE 19615309 A DE19615309 A DE 19615309A DE 19615309 B4 DE19615309 B4 DE 19615309B4
- Authority
- DE
- Germany
- Prior art keywords
- halves
- injection
- mold
- injection mold
- molded
- 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 - Fee Related
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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
- B29C65/028—Particular heating or welding methods not otherwise provided for making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/006—Joining parts moulded in separate cavities
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/66—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined
- B29C65/665—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined using shrinking during cooling
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
- B29C66/12445—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue on the side
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/549—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles said hollow-preforms being interconnected during their moulding process, e.g. by a hinge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Verfahren
zur Herstellung eines spritzgegossenen Körpers, insbesondere einer Bogendüse für Spülmaschinen,
der aus zwei Hälften
11, 12 zusammengesetzt ist, mit den Schritten:
– gleichzeitiges
Spritzen der beiden Körperhälften (11,
12) in gesonderten Hohlräumen
einer gemeinsamen Spritzgießform
(20), wobei die Hohlräume
auf gegenüberliegenden
Seiten eines geteilten Formkerns (23) angeordnet sind,
– öffnen der
Spritzgießform
(20), wobei die Körperhälften (11,
12) in der Form (20) festgehalten werden, sich aber vom geteilten
Formkern (23) lösen,
– Auseinanderfahren
des Formkerns (23), so daß sich
die beiden Körperhälften (11,
12) unmittelbar gegenüberstehen,
– Koppelung
der beiden Körperhälften (11,
12) durch Aufeinanderdrücken
mittels mindestens eines Teils (24, 25; 26, 27) der Spritzgießform (20).Process for producing an injection-molded body, in particular an automatic dishwasher jet nozzle, which is composed of two halves 11, 12, comprising the steps of:
Simultaneous spraying of the two body halves (11, 12) in separate cavities of a common injection mold (20), the cavities being arranged on opposite sides of a split mold core (23),
- Opening the injection mold (20), wherein the body halves (11, 12) are held in the mold (20), but separate from the split mold core (23),
- Moving apart of the mandrel (23), so that the two body halves (11, 12) directly opposite,
- Coupling of the two body halves (11, 12) by pressing together by means of at least one part (24, 25, 26, 27) of the injection mold (20).
Description
Die Erfindung betrifft einen spritzgegossenen, aus zwei Hälften zusammengesetzten Körper, insbesondere eine Bogendüse für Spülmaschinen, sowie ein Verfahren und eine Spritzgießform zu seiner Herstellung.The The invention relates to an injection-molded, composed of two halves Body, in particular an arched nozzle for dishwashers, as well a method and an injection mold for its production.
Aus Kunststoff spritzgegossene Körper, die aus zwei Hälften zusammengesetzt sind, sind in vielfältigen Formen bekannt. Meist handelt es sich dabei um Hohlkörper. Ein Beispiel für einen solchen Körper ist eine Bogendüse für Spülmaschinen, die auf einen Halbkreis verteilt mehrere Düsenöffnungen aufweist. Bislang werden diese Bogendüsen ebenso wie andere zweiteilige Spritzgusskörper aus zwei Teilen in einer Form gespritzt, wobei die beiden Teile durch ein Filmscharnier miteinander verbunden bleiben. Nach dem Gießen werden die zusammenhängenden Hälften ausgeworfen und in einem zweiten Arbeitsschritt durch Zusammendrücken der beiden Hälften zum fertigen Körper montiert. Die Herstellung der Bogendüsen ist also ein relativ arbeitsaufwändiges Verfahren. Durch die Filmscharnierverbindung zwischen den beiden Körperhälften ist außerdem ein exaktes Spritzen der beiden Hälften sehr schwierig.Out Plastic injection-molded body, the two halves are composed, are known in many forms. Most of time these are hollow bodies. An example for is such a body an arched nozzle for dishwashers, which has a plurality of nozzle openings distributed over a semicircle. So far become these arch nozzles as well as other two-piece injection molded body of two parts in one Mold injected, with the two parts through a film hinge with each other stay connected. After casting become the coherent ones halves ejected and in a second step by squeezing the both halves to the finished body assembled. The production of the arch nozzles is therefore a relatively laborious process. Through the film hinge connection between the two body halves is Furthermore exact spraying of the two halves very difficult.
Aus
der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Möglichkeit zu schaffen, einen aus zwei Hälften bestehenden spritzgegossenen Körper auf rationellere und präzisere Weise fertigen zu können.Of the present invention is based on the object, a possibility to create one out of two halves existing injection-molded body more rational and more precise To be able to produce a way.
Diese Aufgabe wird gelöst durch ein Verfahren zur Herstellung eines spritzgegossenen Körpers, insbesondere einer Bogendüse für Spülmaschinen, der aus zwei Hälften zusammengesetzt ist, mit den Schritten:
- – gleichzeitiges Spritzen der beiden Körperhälften in gesonderten Hohlräumen einer gemeinsamen Spritzgießform, wobei die Hohlräume auf gegenüberliegenden Seiten eines geteilten Formkerns angeordnet sind,
- – Öffnen der Spritzgießform, wobei die Körperhälften in der Form festgehalten werden, sich aber vom geteilten Formkern lösen,
- – Auseinanderfahren des Formkerns, sodass sich die beiden Körperhälften unmittelbar gegenüberstehen,
- – Koppelung der beiden Körperhälften durch Aufeinanderdrücken mittels mindestens eines Teils der Spritzgießform.
- Simultaneous spraying of the two body halves in separate cavities of a common injection mold, wherein the cavities are arranged on opposite sides of a split mold core,
- Opening the injection mold, wherein the body halves are retained in the mold, but separate from the split mold core,
- - moving apart of the mold core, so that the two body halves face each other directly,
- - Coupling of the two body halves by pressing together by means of at least a portion of the injection mold.
Bei diesem Verfahren entfällt also der Arbeitsschritt der nachträglichen Montage des Körpers. Die beiden Hälften werden direkt in der Spritzgießform durch Aufeinanderdrücken fertig montiert und dann ausgeworfen. Auch auf eine Filmscharnierverbindung zwischen den beiden Hälften kann verzichtet werden. Hierdurch ist ein exakteres Spritzen der beiden Körperhälften möglich. Gegenüber dem bislang durchgeführten Verfahren zur Fertigung von Bogendüsen und anderen Körpern können nach dem neuen Verfahren außerdem doppelt so viele Bauteile bei gleicher Formhaltekraft gefertigt werden. Hierbei können selbstverständlich mehrere Körperhälften gleichzeitig in einer Spritzgießform gegossen und montiert werden. Der nach diesem erfindungsgemäßen Verfahren hergestellte spritzgegossene Körper ist aus zwei Hälften zusammengesetzt, die ohne Materialverbindung über eine Rastverbindung miteinander gekoppelt sind.at this procedure is omitted So the step of retrofitting the body. The both halves be directly in the injection mold by pressing on each other assembled and then ejected. Also on a film hinge connection between the two halves can be dispensed with. This is a more accurate spraying the both halves of the body possible. Compared to the carried out so far Methods for fabricating arch nozzles and other bodies can after the new procedure as well twice as many components manufactured with the same shape retention force become. Here you can Of course several halves of the body at the same time in an injection mold be poured and assembled. The according to this inventive method is manufactured injection-molded body from two halves assembled, the without material connection via a latching connection with each other are coupled.
Die erfindungsgemäße Spritzgießform zur Herstellung des aus zwei Hälften zusammengesetzten Körpers weist zwei in axialer Richtung gegenüber einem dazwischenliegenden, geteilten Formkern verfahrbare Formteile auf, von denen der eine Teil zusammen mit dem Formkern mindestens einen ersten Hohlraum zur Formung der ersten Körperhälfte und der zweite Teil zusammen mit dem Formkern mindestens einen zweiten Hohlraum zur Formung der zweiten Körperhälfte bildet, wobei der Formkern senkrecht zur Bewegungsrichtung der beiden Formteile auseinanderfahrbar ist und wobei mindestens einer der beiden Formteile einen beweglichen Abschnitt zum Aufeinanderdrücken der Körperhälften aufweist. Beim Entformen der fertiggegossenen Körperhälften fahren zunächst die beiden Formteile auseinander, während der Formkern noch geschlossen bleibt. Die gegossenen Körperhälften lösen sich dabei vom Formkern, werden jedoch in den beiden Formteilen festgehalten. Anschließend öffnet auch der Formkern, so daß sich nun die beiden Körperhälften unmittelbar gegenüberstehen und durch Aufeinanderdrücken montiert werden können. Hierbei können auch beide Formteile bewegliche Abschnitte zum Aufeinanderdrücken der Körperhälften und Auswerfen des fertigmontierten Körpers aufweisen.The Injection mold according to the invention for the production of two halves composite body has two in the axial direction opposite to an intermediate, Split mold core movable moldings, of which one Part together with the mold core at least a first cavity for shaping the first half of the body and the second part together with the mold core at least one second cavity forming the second half of the body, wherein the mandrel apart perpendicular to the direction of movement of the two mold parts is and wherein at least one of the two molded parts a movable Section to press on each other the body halves has. At the Remove the finished body halves first the two moldings apart, while the mold core is still closed remains. The cast halves of the body dissolve while the mold core, but are held in the two moldings. Then also opens the mandrel, so that now the two halves of the body immediately face and by pressing each other on can be mounted. Here you can Both moldings movable sections for pressing on the Body halves and Eject the finished body exhibit.
Nachfolgend werden beispielhaft ein erfindungsgemäßes Verfahren und eine erfindungsgemäße Spritzgießform anhand einer damit hergestellten Bogendüse für Spülmaschinen mit Bezug auf die Zeichnung näher erläutert.In the following, by way of example, a method according to the invention and an injection mold according to the invention will be described on the basis of a method produced therewith Dishwasher for dishwasher explained in more detail with reference to the drawing.
Es zeigen:It demonstrate:
Die
in
Die
Spritzgießform
Die
Spritzgießform
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19615309A DE19615309B4 (en) | 1996-04-18 | 1996-04-18 | Method, injection-molded body and injection mold for producing an injection-molded body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19615309A DE19615309B4 (en) | 1996-04-18 | 1996-04-18 | Method, injection-molded body and injection mold for producing an injection-molded body |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19615309A1 DE19615309A1 (en) | 1997-10-23 |
DE19615309B4 true DE19615309B4 (en) | 2005-02-10 |
Family
ID=7791631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19615309A Expired - Fee Related DE19615309B4 (en) | 1996-04-18 | 1996-04-18 | Method, injection-molded body and injection mold for producing an injection-molded body |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19615309B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005037810A1 (en) * | 2005-08-08 | 2007-02-15 | Behr Gmbh & Co. Kg | Method and tool for molding components, in particular plastic components |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19809990C2 (en) * | 1998-03-09 | 2002-09-05 | Peter Marth | Process and device for the production of hollow plastic articles |
IT251789Y1 (en) * | 2000-06-21 | 2004-01-20 | Ask Ind Spa | AUTOMATED CENTRAL ASSEMBLY PROCEDURE OF COUPLED PRINTED PARTS |
DE10158698B4 (en) * | 2001-11-29 | 2020-12-24 | Weener Plastik Gmbh | Process for producing a plastic body |
WO2009012199A1 (en) * | 2007-07-18 | 2009-01-22 | Fluidmaster, Inc. | Flush valve apparatus and method for forming a frame and housing for a flush valve |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2157132A1 (en) * | 1971-11-17 | 1973-05-24 | Narten Fa Georg | Injection moulding hollow articles prodn - with components welded following moulding |
-
1996
- 1996-04-18 DE DE19615309A patent/DE19615309B4/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2157132A1 (en) * | 1971-11-17 | 1973-05-24 | Narten Fa Georg | Injection moulding hollow articles prodn - with components welded following moulding |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005037810A1 (en) * | 2005-08-08 | 2007-02-15 | Behr Gmbh & Co. Kg | Method and tool for molding components, in particular plastic components |
Also Published As
Publication number | Publication date |
---|---|
DE19615309A1 (en) | 1997-10-23 |
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Legal Events
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8127 | New person/name/address of the applicant |
Owner name: HACHTEL, FRIEDRICH, 73431 AALEN, DE |
|
8110 | Request for examination paragraph 44 | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |