WO2012055736A1 - Outil de moulage par injection et procédé de fabrication de pièces moulées multicomposantes - Google Patents

Outil de moulage par injection et procédé de fabrication de pièces moulées multicomposantes Download PDF

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Publication number
WO2012055736A1
WO2012055736A1 PCT/EP2011/068253 EP2011068253W WO2012055736A1 WO 2012055736 A1 WO2012055736 A1 WO 2012055736A1 EP 2011068253 W EP2011068253 W EP 2011068253W WO 2012055736 A1 WO2012055736 A1 WO 2012055736A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
mold
production
injection
mold half
Prior art date
Application number
PCT/EP2011/068253
Other languages
German (de)
English (en)
Inventor
Claus Ziegler
Christian Rada
Herbert Scheidl
Michael Feltes
Original Assignee
Kunststofftechnik Waidhofen An Der Thaya Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunststofftechnik Waidhofen An Der Thaya Gmbh filed Critical Kunststofftechnik Waidhofen An Der Thaya Gmbh
Publication of WO2012055736A1 publication Critical patent/WO2012055736A1/fr

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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1615—The materials being injected at different moulding stations
    • B29C45/162—The materials being injected at different moulding stations using means, e.g. mould parts, for transferring an injected part between moulding stations
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1615—The materials being injected at different moulding stations
    • B29C45/1628—The materials being injected at different moulding stations using a mould carrier rotatable about an axis perpendicular to the opening and closing axis of the moulding stations
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1615—The materials being injected at different moulding stations
    • B29C2045/1617—The materials being injected at different moulding stations using stack moulds
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1615—The materials being injected at different moulding stations
    • B29C45/162—The materials being injected at different moulding stations using means, e.g. mould parts, for transferring an injected part between moulding stations
    • B29C2045/1621—The materials being injected at different moulding stations using means, e.g. mould parts, for transferring an injected part between moulding stations the transfer means operating independently from the injection mould cavity, i.e. during injection the transfer means are completely outside the mould cavity

Definitions

  • the present invention relates to an injection mold and a method for the production of multi-component moldings, which consist of preferably different plastic components.
  • Injection molding tools for producing articles from a plurality of plastic components or parts are known from the prior art.
  • injection molds with a rotatable, cube-like middle section are also used. Due to the rotatable middle part, at least two production levels can be realized, which are arranged parallel or at an angle to each other.
  • WO 2009/080827 A2 shows an injection molding apparatus having a first mold half, a second mold half displaceable relative thereto in a first direction, and at least one middle mold half arranged between the first and second mold halves, rotatable about an axis of rotation and displaceable in the first direction.
  • Injection molding device further comprises at least one laterally arranged additional processing device, which is arranged in the closed position of the injection molding at the level of the central mold half and is operatively connected to a temporarily zugeord ⁇ Neten side surface of the central mold half.
  • hinge closures can be produced from a plurality of material components with the described injection molding device, which can be closed before removal from the device, while in two further products tion levels more similar parts can be produced.
  • a disadvantage of the described injection molding apparatus is the fact that the third production level is not arranged between the longitudinal beams of a conventional injection molding machine, but outside. To attach the third production level, a special support frame is needed. This complicates the structure of the injection ⁇ pouring device and also increases the space requirement.
  • the injection molding apparatus contains an injection molding apparatus and a method for producing plastic parts from a plurality of individual parts.
  • the injection molding apparatus includes a fixed first mold half, a displaceably arranged in the direction of an injection molding machine Holmen second mold half ⁇ as well as two rotatable in the direction of the spars displaceable middle mold halves. Furthermore, the injection molding apparatus still has operative connection means with which parts are operatively connected in the region of the middle production level lying between the middle mold halves.
  • the method described here comprises the following steps: simultaneous injection molding of at least a first and a second part in a first and a third outer production level, during which simultaneously at least a first and a second part by means of a kneading agent in a middle, second production ⁇ level be actively connected; Subsequently, the Spritzgit ⁇ device is opened and the rotatable, central mold halves are rotated, the adhering to the mold halves first and second parts get into the middle production level; after closing the device, the steps described are repeated.
  • the turning of the middle mold halves can be done in two 90 ° steps.
  • the first and second second parts arranged laterally on the injection molding, outside the mold halves. In this position, the parts can be cooled or subjected to a further processing step.
  • Plastic parts can be removed and assembled by means of a robot.
  • Spritzgit ⁇ device is problematic that the centering and
  • the object of the present invention is to provide an injection mold for the production of multi-component molded parts with at least three components is available, which has a simple design and usable with herspringmmli ⁇ chen injection molding, wherein all
  • the injection molding tool according to the invention for the production of multi-component molded parts comprises at least three additional other arranged production levels, wherein at least one production level is used for injection molding.
  • the three production ⁇ levels are preferably parallel to each other and are consecutive in the longitudinal direction of the tool, each with lying between them mold halves.
  • the injection mold includes a first and a second mold half, a ⁇ over the first and the second mold half in the longitudinal direction of the injection mold displaceable and arranged between these third mold half, one between the second and the third mold half arranged by an angle, preferably ⁇ perpendicular to the longitudinal axis of rotation rotating ⁇ bare and longitudinally displaceable fourth mold half and at least one handling device for transporting components of the multi-component molding between the production levels. For easier orientation is at the
  • the injection mold according to the invention has a relatively simple structure ⁇ .
  • no special arrangements of centering are required. It can therefore be used from the prior art arrangements of centering, the expert are known and therefore need not be described in detail.
  • the injection mold according to the invention can be a problem ⁇ los extended to more than three production levels when molding parts with more than three components to be produced.
  • the mandrels required to produce the internal shape of the components are arranged in the second and third mold halves.
  • the shape ⁇ cores can be in other forms of leadership also in the fourth, rotatable mold half.
  • the injection mold has additional additional mold halves .
  • These mold halves may be fixed or may be movable in the longitudinal direction of the injection mold.
  • the additional mold halves create additional production levels.
  • multi-component molded parts can be produced with more than three components.
  • the inventive method for producing Mehrkompo ⁇ nentenform sculpture by means of an injection mold with mindes ⁇ least three juxtaposed production levels comprises at least one injection molding for manufacturing a first component in a first production level, wherein a rotating ⁇ bare mold half is used, rotating the rotatable mold half in a second production level and a subsequent ⁇ sequent machining operation to produce a second component. Furthermore, the inventive method comprises a removal of at least one component from one of
  • An advantage of the method according to the invention is the fact that multi-component moldings with at least three components can be produced in a simple manner on conventional injection molding machines.
  • the individual components or already ver ⁇ bound components can be transported between the production levels, in order subsequently terzuver produced them in the injection mold.
  • OF INVENTION ⁇ dung according to individual components or already connected multi-component precursors from any production level may instead be transported to another any desired production level, or after a spatial change in position in the same production level are set back.
  • the number of components can be increased arbitrarily, for example, by using additional additional mold halves.
  • the removal of the component from a production level and the transport to another production level take place at least in sections by means of a first handling device.
  • the component is subsequently transferred to a second handling device and inserted by the second handling device in the other production level.
  • dukomsebenen in at least one of an outside of the injection mold Pro gefer ⁇ preferential component of the multi-component molding is inserted and is connected to at least one other component of the multicomponent molding.
  • the component produced outside of the injection molding tool may be, for example, a film, preferably in a final one
  • Manufacturing step is applied to the multi-component molding.
  • it could also be any other component, such as a metal part that is connected to the plastic components produced by injection molding.
  • At least one component of the multi-component molded part is removed from the injection mold by means of a handling device and subjected to a machining process outside the injection mold.
  • the machining process can be that the component or the components are connected to another component. This component any other component, such as a different spray ⁇ cast part can in turn be.
  • a film can also be attached.
  • the machining process can be, inter alia, a cutting operation.
  • FIG. 1 shows a side view of an injection molding tool according to the invention
  • FIG. Fig. 2 the injection molding tool according to the invention in a perspective view obliquely from above.
  • Fig. 1 shows a side view
  • Fig. 2 is a view obliquely from above of an injection mold according to the invention.
  • the injection molding tool according to the invention comprises a first and a second mold half 01, 02, which are arranged in the longitudinal direction on the outer sides of the tool. Between the first and second mold half 01, 02, a third mold half 03 is arranged ⁇ . The third mold half 03 can be moved relative to the first and second mold halves 01, 02 in the longitudinal direction of the injection mold. A further, fourth mold half 04 is arranged between the second and the third mold half 02, 03.
  • the fourth mold half 04 is rotatable about a vertical axis of rotation perpendicular to the longitudinal direction, preferably both clockwise and counterclockwise, as indicated by rotation arrows, and can also be displaced in the longitudinal direction of the injection mold. In a conventional manner, the leadership of the longitudinal displacement of the mold halves by longitudinal struts 05.
  • the injection molding tool has three production levels 06, 07, 08.
  • This embodiment is particularly suitable for the production of molded parts with three components.
  • more than three production levels can be used.
  • only more than four mold halves must be arranged side by side.
  • the additionally used mold halves can be displaceable in the longitudinal direction of the injection mold.
  • molded parts with more than three components can be produced.
  • the injection molding tool according to the invention further comprises a first and a second handling device 10, 11.
  • the hand ⁇ ling devices 10, 11 are used to transport the individual components or already connected components of the manufactured multi-component molding between the individual production levels 06, 07, 08.
  • the movement space is then preferably increased.
  • There are natuer ⁇ Lich embodiments with more than two handling devices possible.
  • a screw cap which can be used, for example, as a beverage closure.
  • the fourth mold half 04 is a first compo nent ⁇ produced by an injection molding 13 in the first production stage 06, ie between the third mold half.
  • material is supplied through an injection nozzle 12 arranged on the third mold half 03.
  • the first component 13 is a guarantee ring.
  • the fourth mold half 04 is rotated by 180 °. The adhering to the fourth mold half 04 first component 13 enters the second production level 07.
  • the production of the second component 14 in the example a cap base body.
  • the second component 14 is injected through a second injection molding process ⁇ to the first component. 13
  • the miteinan ⁇ the connected components 13, 14 are then removed by means of the first handling device 10 from the second production level 07 and transported in the direction of the third production level 08.
  • the components 13, 14 are from the first Handling device 10 passed to the second handling device 11 and inserted by the second handling device 11 in the third production level 08 so that they are located between the first mold half 01 and the third mold half 03.
  • a third component 15 is attached to the already connected components 13, 14.
  • a film can be applied as the third component 15.
  • the film could be provided with a logo imprint.
  • the third component 15 can either have been produced in a preceding step between the first and third mold halves 01, 03 or can only be produced after the components 13, 14 have been inserted into the third production plane with simultaneous attachment thereto.
  • the necessary longitudinal displacement of the third mold half are here unspecified beschrie ⁇ ben, as they are obvious to those skilled in the art.
  • the manufactured three-component molded part here a screw cap with a guarantee ring ⁇ and logo film may be finally removed from the third production level 08 by means of the second handling device.
  • the described example of the production of screw caps is only one of many possible variants to produce a multi-component molded part. Basically, there is the possibility ability to carry out an injection molding process at all production levels. Furthermore, a component or an already prefabricated component manufactured in the injection molding tool can be inserted in all production levels. There is also the possibility in the injection mold gefer ⁇ -saturated components by handling device 10 to take out 11 and connecting outside the injection mold with other components. In addition, the extracted components can be subjected to outside the injection mold another Bear ⁇ beitungsvor réellen such as a cutting operation.
  • Multi-component molded parts with more than three components can be manufactured by creating more production levels in the injection molding tool itself by adding additional mold halves.
  • the number of components can also be increased by the fact that, as just described, additional, outside manufactured components are inserted into individual production levels or components made in the injection mold outside the injection mold are connected to other components.

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

L'invention concerne un outil de moulage par injection et un procédé de fabrication de pièces moulées multicomposantes. L'outil de moulage par injection selon l'invention comprend au moins trois plans de production (06, 07, 08) agencés successivement dans la direction longitudinale de l'outil de moulage par injection, au moins un des plans de production (06, 07, 08) servant au moulage par injection. L'outil de moulage par injection comprend une première et une deuxième moitié de moule (01, 02), une troisième moitié de moule (03) agencée entre la première et la deuxième moitié de moule (01, 02) de manière déplaçable dans la direction longitudinale de l'outil de moulage par injection, une quatrième moitié de moule (04) agencée entre la deuxième et la troisième moitié de moule (01, 03), rotative autour d'un axe de rotation disposé à un angle par rapport à la direction longitudinale et déplaçable dans la direction longitudinale, ainsi qu'au moins un dispositif de manipulation (10, 11) pour le transport de composants (13, 14, 15) de la pièce moulée multicomposante entre les plans de production (06, 07, 08). Le procédé selon l'invention peut être réalisé avec un tel outil de moulage par injection.
PCT/EP2011/068253 2010-10-26 2011-10-19 Outil de moulage par injection et procédé de fabrication de pièces moulées multicomposantes WO2012055736A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010060196.9 2010-10-26
DE201010060196 DE102010060196A1 (de) 2010-10-26 2010-10-26 Spritzgießwerkzeug und Verfahren zur Herstellung von Mehrkomponentenformteilen

Publications (1)

Publication Number Publication Date
WO2012055736A1 true WO2012055736A1 (fr) 2012-05-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/068253 WO2012055736A1 (fr) 2010-10-26 2011-10-19 Outil de moulage par injection et procédé de fabrication de pièces moulées multicomposantes

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DE (1) DE102010060196A1 (fr)
WO (1) WO2012055736A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111976094A (zh) * 2020-06-04 2020-11-24 湖南工业大学 一种多色封装瓶盖成型装置及其工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020079619A1 (en) * 2000-07-12 2002-06-27 Richard Herbst Method and apparatus for injection-molding plastic material articles consisting of a plurality of components
JP2004098511A (ja) * 2002-09-10 2004-04-02 Fts:Kk 燃料タンクの製造方法及びその装置
DE202005021394U1 (de) 2004-02-10 2007-11-08 Foboha Gmbh Formenbau Vorrichtung zum Spritzgiessen und Montieren von Kunststoffteilen
WO2009080827A2 (fr) 2007-12-24 2009-07-02 Foboha Gmbh Formenbau Dispositif de moulage par injection
AT11396U1 (de) * 2009-05-27 2010-10-15 Engel Austria Gmbh Verfahren zur herstellung einer verbund- oder hybridkonstruktion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020079619A1 (en) * 2000-07-12 2002-06-27 Richard Herbst Method and apparatus for injection-molding plastic material articles consisting of a plurality of components
JP2004098511A (ja) * 2002-09-10 2004-04-02 Fts:Kk 燃料タンクの製造方法及びその装置
DE202005021394U1 (de) 2004-02-10 2007-11-08 Foboha Gmbh Formenbau Vorrichtung zum Spritzgiessen und Montieren von Kunststoffteilen
WO2009080827A2 (fr) 2007-12-24 2009-07-02 Foboha Gmbh Formenbau Dispositif de moulage par injection
AT11396U1 (de) * 2009-05-27 2010-10-15 Engel Austria Gmbh Verfahren zur herstellung einer verbund- oder hybridkonstruktion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HERBST R ET AL: "DIE DREIFACHE KOMBINATION MEHRKOMPONENETEN-SPRITZGIESSEN VON THERMOPLASTEN ELASTOMEREN UND DUROPLASTEN", KUNSTOFFE INTERNATIONAL, CARL HANSER VERLAG, MUNCHEN, DE, vol. 90, no. 10, 1 October 2000 (2000-10-01), pages 82,84/85, XP000965889, ISSN: 0023-5563 *

Also Published As

Publication number Publication date
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