DE202007006164U1 - Device for excavating a molded part made of foamed thermoplastic resin particles - Google Patents

Device for excavating a molded part made of foamed thermoplastic resin particles Download PDF

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Publication number
DE202007006164U1
DE202007006164U1 DE202007006164U DE202007006164U DE202007006164U1 DE 202007006164 U1 DE202007006164 U1 DE 202007006164U1 DE 202007006164 U DE202007006164 U DE 202007006164U DE 202007006164 U DE202007006164 U DE 202007006164U DE 202007006164 U1 DE202007006164 U1 DE 202007006164U1
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radiator
mold insert
hood
molded part
molding machine
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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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using steam
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0407—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Abstract

Vorrichtung an einer Formteilmaschine für das Verhauten der Oberfläche eines Formteiles aus geschäumten thermoplastischen Kunststoffpartikeln in einem Schäumwerkzeug, dadurch gekennzeichnet, dass in wenigstens einer Dampfkammer (1) einer Formteilmaschine, auf deren Hauben- und/oder Kernseite, mindestens ein mit Elektroenergie betriebener Heizkörper (2) in konturparalleler Distanz (3), gegenüber dem Formeinsatz Haube (4) bzw. dem Formeinsatz Kern (5) angeordnet ist.contraption on a molding machine for the skinning of the surface a molded part of foamed thermoplastic plastic particles in a foaming tool, characterized in that in at least one steam chamber (1) a molding machine, on the hood and / or core side, at least a radiator (2) operated with electric energy in parallel-contoured Distance (3), opposite the mold insert hood (4) or the mold insert core (5) arranged is.

Figure 00000001
Figure 00000001

Description

Die Erfindung betrifft eine Vorrichtung für das Verhauten der Oberfläche eines Formteiles aus geschäumten thermoplastischen, auch als Beads bezeichneten Kunststoffpartikeln im Schäumwerkzeug.The The invention relates to a device for scoring the surface of a Molded part made of foamed thermoplastic, also referred to as beads plastic particles in the foaming tool.

Formteile, die aus vorgeschäumten thermoplastischen Kunststoffpartikeln, in einem Schäumwerkzeug auf bzw. in einer Formteilmaschine urgeformt sind, weisen nur eine mehr oder weniger homogen geschlossene Oberfläche auf.Moldings, the prefoamed thermoplastic plastic particles, in a foaming tool have been formed on or in a molding machine, have only one more or less homogeneously closed surface.

Inwieweit die Oberfläche eines Formteiles der eines homogenen Filmes ähnelt, wird vor allem auch durch die thermoplastischen Eigenschaften der jeweiligen Kunststoffe, aus denen die Partikel hergestellt sind, bestimmt.To what extent the surface of a molded part that resembles a homogeneous film becomes, above all, too through the thermoplastic properties of the respective plastics, from which the particles are made determined.

Hauptsächlich handelt es sich um Partikel aus PS, PE oder PP-Kunststoffen.Mainly acts they are particles of PS, PE or PP plastics.

Die Verarbeitung dieser Partikel sieht vor, dass sie die geschlossene Kavität eines Schäumwerkzeuges vollkommen ausfüllen, in dieser mit heißem Dampf erwärmt, an ihren Oberflächen angeschmolzen werden, dabei weiter expandieren und unter Druck miteinander, dabei das Formteil ausbildend, verschmelzen.The Processing of these particles provides that they are closed cavity a foaming tool completely fill, in this with hot Steam heated, on their surfaces be melted while continuing to expand and under pressure, while forming the molding, merge.

Die Expansion und Verschmelzung der Partikel vermögen nicht, dass die Zwischenräume zwischen den Partikeln vollkommen geschlossen werden.The Expansion and fusion of the particles do not allow the spaces between the particles are completely closed.

Diese Zwischenräume, auch Zwickelräume genannt, die insbesondere an der Oberfläche eines Formteiles ungenügend geschlossen sind, beschränken die Anwendung, die Benutzung des Formteiles.These Interspaces also called gussets, especially on the surface a molding insufficient are closed the application, the use of the molding.

Im Lebensmittelbereich z.B. erschweren offene Zwickelräume die Reinigung von Behältnissen für den Transport und die Lagerung, sie erfordern einen zusätzlichen Schutz des Verpackungsgutes.in the Food area e.g. complicate open gussets the Cleaning of containers for transport and storage, they require additional protection of the packaged goods.

In ästhetischer Hinsicht, vor allem so eine nachfolgende Oberflächenbeschichtung vorgesehen ist, sind offene Zwickelräume ebenso inakzeptabel.In more aesthetic Regard, in particular so provided a subsequent surface coating, are open gussets also unacceptable.

Und letztlich beeinträchtigen offene Zwickelräume die mechanische Belastbarkeit des Formteiles, vor allem hinsichtlich dessen Bruchfestigkeit, nachteilig.And ultimately affect open gussets the mechanical strength of the molded part, especially in terms its breaking strength, disadvantageous.

Es ist Stand der Technik, im Schäumwerkzeug offene Zwickelräume an der Oberfläche des Formteiles dadurch zu schließen, zu verhauten, dass die Oberfläche mit wesentlich heißerem Dampf, ca. 50°C heißer gegenüber der Dampftemperatur für das Verschmelzen der Partikel zur Formteilformgebung, beaufschlagt wird.It is state of the art, in the foaming tool open gussets on the surface of the molding to close by, that the surface with much hotter Steam, about 50 ° C hot across from the steam temperature for the fusion of the particles for molding molding, applied becomes.

Durch die herkömmlich praktizierten Verfahren für die Erzeugung des heißeren Dampfes ist das Verhauten ein energie- und daher kostenintensives Verfahren.By the conventional practiced procedures for the generation of the hotter Steaming is the entrainment of an energy and therefore costly process.

Die Erzeugung des heißeren Dampfes erfolgt herkömmlicherweise außerhalb der Formteilmaschine und hat daher zur Folge, dass auf dem Weg in das Schäumwerkzeug Wärme verloren geht.The Generation of the hotter Steam is conventionally done outside The molding machine and therefore has the consequence that on the way into the foaming Lost heat goes.

Dieser Wärmeverlust des Heißdampfes muß jedoch mit zusätzlichem Aufwand an Energie kompensiert werden.This heat loss of the superheated steam must however with additional Compensation of energy can be compensated.

Die Aufgabe der Erfindung besteht daher in der Senkung des Aufwandes für die Erzeugung von wesentlich heißerem Heißdampf für das Verhauten der Oberfläche und der Erhöhung von deren Festigkeit in der Kavität des Schäumwerkzeuges.The The object of the invention is therefore to reduce the effort for the Generation of much hotter superheated steam for the Roughening the surface and the increase of their strength in the cavity of the foaming tool.

Diese Aufgabe wird erfindungsgemäß durch die Lehre, die Merkmale des Hauptanspruchs gelöst. Die Unteransprüche geben vorteilhafte Ausbildungen und Ausstattungen der vorliegenden Erfindung an.These The object is achieved by the Teaching, the features of the main claim solved. The subclaims give advantageous embodiments and equipment of the present invention at.

Erfindungsgemäß wird die für das Verhauten erforderliche höhere Temperatur des Heißdampfes in der Formteilmaschine direkt erzeugt.According to the invention for the Trailed required higher Temperature of the superheated steam generated directly in the molding machine.

Weiterhin lehrt die Erfindung die Erzeugung des ca. 50°C heißeren Dampfes synchron zu dem Zeitpunkt, zu dem er für den Verhautungsprozeß unmittelbar im Schäumwerkzeug gegenwärtig sein muß.Farther the invention teaches the generation of the steam which is about 50 ° C hotter at the same time as to which he for the spotting process immediately in the foaming tool currently have to be.

Die erfindungsgemäße, konturparallele Distanzierung des Heizkörpers, zur Kontur des Formeinsatzes Kern bzw. Formeinsatz Haube, erbringt die Option, den Grad, die Intensität der Verhautung zu steuern, u.a. zur Ausbildung von Strukturen auf bzw. in der verhauteten Oberfläche.The according to the invention, contour-parallel Distancing the radiator, to the contour of the mold insert core or mold insert hood, provides the option to control the degree, intensity of the skin, et al for the formation of structures on or in the gated surface.

Die Erfindung wird nachfolgend anhand einer Zeichnung erläutert.The The invention will be explained below with reference to a drawing.

Es zeigen:It demonstrate:

1 einen Schnitt durch eine erfindungsgemäße Vorrichtung zum Verhauten; im Prinzip dargestellt an einem geschlossenen Schäumwerkzeug, das in einer Formteilmaschine positioniert ist, mit den Dampfkammern (1) auf der Hauben- und der Kernseite, zwei Heizkörpern (2) positioniert in der Dampfkammer (1) Kernseite in konturparalleler Distanz (3) zur Kontur des Formeinsatzes Kern (5) sowie den Formeinsatz Haube (4). 1 a section through a device according to the invention for Verhauten; represented in principle on a closed foaming tool, which is positioned in a molding machine, with the steam chambers ( 1 ) on the hood and the core side, two radiators ( 2 ) positioned in the steam chamber ( 1 ) Core side in contour-parallel distance ( 3 ) to the contour of the mold insert core ( 5 ) as well as the mold insert hood ( 4 ).

Die dargestellte Vorrichtung ist für die Verhautung der Innenseite eines Behältnisses, wie z.B. für Fisch, Fleisch u.ä., geeignet.The device shown is for Ver skin on the inside of a container, such as for fish, meat, etc. suitable.

Darüber hinaus bietet die erfindungsgemäße Vorrichtung die Optionen der Herstellung bzw. Erzeugung von glatten und/oder strukturierten, z.B. genarbten Oberflächen.Furthermore offers the device according to the invention the options of producing or producing smooth and / or structured, e.g. grained surfaces.

Claims (7)

Vorrichtung an einer Formteilmaschine für das Verhauten der Oberfläche eines Formteiles aus geschäumten thermoplastischen Kunststoffpartikeln in einem Schäumwerkzeug, dadurch gekennzeichnet, dass in wenigstens einer Dampfkammer (1) einer Formteilmaschine, auf deren Hauben- und/oder Kernseite, mindestens ein mit Elektroenergie betriebener Heizkörper (2) in konturparalleler Distanz (3), gegenüber dem Formeinsatz Haube (4) bzw. dem Formeinsatz Kern (5) angeordnet ist.Device on a molding machine for skiving the surface of a molded part of foamed thermoplastic polymer particles in a foaming tool, characterized in that in at least one steam chamber ( 1 ) a molding machine, on the hood and / or core side, at least one powered by electric energy radiator ( 2 ) in a contour-parallel distance ( 3 ), opposite the mold insert hood ( 4 ) or the mold insert core ( 5 ) is arranged. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Heizkörper (2) plastisch form- bzw. biegbar, einer Kontur, der des Formeinsatzes Haube (4) und/oder der des Formeinsatzes Kern (5), anpassbar ist.Device according to claim 1, characterized in that the radiator ( 2 ) plastically formable or bendable, a contour of the mold insert hood ( 4 ) and / or the mold core ( 5 ), is customizable. Vorrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der Heizkörper (2) reversibel formbar ist.Device according to claim 1 and 2, characterized in that the radiator ( 2 ) is reversibly moldable. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Heizkörper (2) von stabförmiger Form ist.Device according to claim 3, characterized in that the radiator ( 2 ) of rod-shaped form. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der/die Heizkörper (2) die Temperatur des Heißdampfes um ca. 50°C erhöhen.Device according to one of claims 1 to 4, characterized in that the / the radiator (s) ( 2 ) increase the temperature of the superheated steam by approx. 50 ° C. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der/die Heizkörper (2) temporär zuschaltbar sind.Device according to one of claims 1 to 5, characterized in that the / the radiator (s) ( 2 ) are temporarily switchable. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die verhautete Oberfläche sowohl von glatter und/oder strukturierter Struktur als auch von wechselnden Strukturen ist.Device according to one of claims 1 to 6, characterized that the gummed surface both of smooth and / or structured structure and of changing structures is.
DE202007006164U 2007-04-30 2007-04-30 Device for excavating a molded part made of foamed thermoplastic resin particles Expired - Lifetime DE202007006164U1 (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008017042U1 (en) 2008-12-31 2009-03-19 Erlenbach Gmbh Shaping tool for the production of foamed moldings from plastic particles with partially covered surface
WO2011058071A3 (en) * 2009-11-13 2011-07-07 Fagerdala Deutschland Gmbh Device and method for producing molded parts from particle foams
DE102012104444A1 (en) 2012-05-23 2013-11-28 Philippine Gmbh & Co. Technische Kunststoffe Kg Device for manufacturing mold part comprising skin surface, has heating device for creation of skin surface, where heating device is arranged in region of core element and/or cover unit, and heating device comprises induction heater
CN106827366A (en) * 2016-12-13 2017-06-13 柳州通为机械有限公司 Automotive seat soft seal foaming mould
US10259183B2 (en) 2013-02-13 2019-04-16 Adidas Ag Methods for manufacturing cushioning elements for sports apparel
US10639861B2 (en) 2016-05-24 2020-05-05 Adidas Ag Sole mold for manufacturing a sole
US10716358B2 (en) 2012-04-13 2020-07-21 Adidas Ag Soles for sports shoes
US10723048B2 (en) 2017-04-05 2020-07-28 Adidas Ag Method for a post process treatment for manufacturing at least a part of a molded sporting good
US10730259B2 (en) 2016-12-01 2020-08-04 Adidas Ag Method for the manufacture of a plastic component, plastic component, and shoe
US11135797B2 (en) 2013-02-13 2021-10-05 Adidas Ag Methods for manufacturing cushioning elements for sports apparel
US11407191B2 (en) 2016-05-24 2022-08-09 Adidas Ag Method for the manufacture of a shoe sole, shoe sole, and shoe with pre-manufactured TPU article
US11470913B2 (en) 2015-02-05 2022-10-18 Adidas Ag Plastic component and shoe
US11938697B2 (en) 2016-05-24 2024-03-26 Adidas Ag Method and apparatus for automatically manufacturing shoe soles
US11964445B2 (en) 2016-05-24 2024-04-23 Adidas Ag Method for the manufacture of a shoe sole, shoe sole, and shoe with pre-manufactured TPU article

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008017042U1 (en) 2008-12-31 2009-03-19 Erlenbach Gmbh Shaping tool for the production of foamed moldings from plastic particles with partially covered surface
WO2011058071A3 (en) * 2009-11-13 2011-07-07 Fagerdala Deutschland Gmbh Device and method for producing molded parts from particle foams
US11707108B2 (en) 2012-04-13 2023-07-25 Adidas Ag Soles for sports shoes
US10716358B2 (en) 2012-04-13 2020-07-21 Adidas Ag Soles for sports shoes
DE102012104444A1 (en) 2012-05-23 2013-11-28 Philippine Gmbh & Co. Technische Kunststoffe Kg Device for manufacturing mold part comprising skin surface, has heating device for creation of skin surface, where heating device is arranged in region of core element and/or cover unit, and heating device comprises induction heater
US11135797B2 (en) 2013-02-13 2021-10-05 Adidas Ag Methods for manufacturing cushioning elements for sports apparel
US11945184B2 (en) 2013-02-13 2024-04-02 Adidas Ag Methods for manufacturing cushioning elements for sports apparel
US10259183B2 (en) 2013-02-13 2019-04-16 Adidas Ag Methods for manufacturing cushioning elements for sports apparel
US11470913B2 (en) 2015-02-05 2022-10-18 Adidas Ag Plastic component and shoe
US10974476B2 (en) 2016-05-24 2021-04-13 Adidas Ag Sole mold for manufacturing a sole
US11407191B2 (en) 2016-05-24 2022-08-09 Adidas Ag Method for the manufacture of a shoe sole, shoe sole, and shoe with pre-manufactured TPU article
US10639861B2 (en) 2016-05-24 2020-05-05 Adidas Ag Sole mold for manufacturing a sole
US11938697B2 (en) 2016-05-24 2024-03-26 Adidas Ag Method and apparatus for automatically manufacturing shoe soles
US11964445B2 (en) 2016-05-24 2024-04-23 Adidas Ag Method for the manufacture of a shoe sole, shoe sole, and shoe with pre-manufactured TPU article
US10730259B2 (en) 2016-12-01 2020-08-04 Adidas Ag Method for the manufacture of a plastic component, plastic component, and shoe
US11504928B2 (en) 2016-12-01 2022-11-22 Adidas Ag Method for the manufacture of a plastic component, plastic component, midsole and shoe
CN106827366A (en) * 2016-12-13 2017-06-13 柳州通为机械有限公司 Automotive seat soft seal foaming mould
US10723048B2 (en) 2017-04-05 2020-07-28 Adidas Ag Method for a post process treatment for manufacturing at least a part of a molded sporting good

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