FR2829057A1 - Mould for recycled plastic articles has cast aluminum die and matrix and cooling system with chamber and chicane - Google Patents

Mould for recycled plastic articles has cast aluminum die and matrix and cooling system with chamber and chicane Download PDF

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Publication number
FR2829057A1
FR2829057A1 FR0111389A FR0111389A FR2829057A1 FR 2829057 A1 FR2829057 A1 FR 2829057A1 FR 0111389 A FR0111389 A FR 0111389A FR 0111389 A FR0111389 A FR 0111389A FR 2829057 A1 FR2829057 A1 FR 2829057A1
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France
Prior art keywords
matrix
mould
mold
cooling system
chicane
Prior art date
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Application number
FR0111389A
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French (fr)
Inventor
Alain Gauthier
Bernard Juneau
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G P I SARL
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G P I SARL
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Publication date
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Priority to FR0111389A priority Critical patent/FR2829057A1/en
Publication of FR2829057A1 publication Critical patent/FR2829057A1/en
Withdrawn legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The mould for making recycled plastic articles consists of a hollow matrix (A) and die each welded to a plate (C) and incorporating a cooling system based on a liquid feed chamber (F) and chicane (G). The mould for making recycled plastic articles consists of a hollow matrix (A) and die (B) of cast aluminum, each welded to a plate (C) and incorporating a cooling system based on a liquid feed chamber (F) and chicane (G). The matrix and die are fitted in a mould base with steel plates (D, E); they are interchangeable and of standard dimensions, so that only the matrix imprint components (H) need to be changed to make a new product. The mould also has a heating element (I) to raise the temperature of the liquid at the input stage of the moulding operation.

Description

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La présente invention concerne un moule pour la fabrication de pièces en plastiques recyclé sur des machines à intrusion moulage à basse pression. The present invention relates to a mold for the production of recycled plastic parts on low pressure molding intrusion machines.

Les moules actuels sont fabriqués à partir de plaques d'acier découpées, usinées et soudées ce qui limite la possibilité d'intégrer un système de refroidissement utilisant le déplacement d'un liquide sous pression. Current molds are made from cut, machined and welded steel plates, which limits the possibility of integrating a cooling system using the displacement of a pressurized liquid.

L'aspect innovateur consiste à mouler en aluminium deux coquilles : la matrice et le poinçon. Ces deux parties du moule étant creuses elles seront refermées par une plaque d'aluminium soudée. Les cavités ainsi créées serviront de chambre de refroidissement ou circulera un liquide refroidi par une unité réfrigérante. The innovative aspect consists in molding two shells of aluminum: the die and the punch. These two parts of the mold being hollow they will be closed by a welded aluminum plate. The cavities thus created will serve as a cooling chamber or circulate a liquid cooled by a refrigerating unit.

Le poinçon et la matrice seront insérés dans une base de moule en acier. La base en acier sert de support au système d'ouverture/fermeture du moule et au système d'accrochage pour la manipulation du moule. Les éjecteurs sont fixés sur la plaque supérieure du moule et actionnés par la plaque du manipulateur. The punch and the die will be inserted into a steel mold base. The steel base is used to support the mold opening / closing system and the hanging system for handling the mold. The ejectors are fixed to the upper mold plate and actuated by the manipulator plate.

Sur chaque partie est intégré une entrée et une sortie pour un liquide (eau, grycol etc) qui agira comme transfert d'énergie (chaud et froid). Lors du remplissage l'eau est chauffé par l'élément qui est fixé entre les chicanes de la partie creuse du moule. La chaleur sert à faciliter le moulage par l'augmentation de la fluidité de la matière. Dès que le moule est plein, l'élément s'éteint et l'eau circule pour refroidir le moule. Le moule peut être refroidi avec ou sans refroidisseur externe. On each part is integrated an inlet and an outlet for a liquid (water, grycol etc) which will act as energy transfer (hot and cold). When filling the water is heated by the element which is fixed between the baffles of the hollow part of the mold. The heat is used to facilitate molding by increasing the fluidity of the material. As soon as the mold is full, the element turns off and the water circulates to cool the mold. The mold can be cooled with or without an external cooler.

Le dessin annexé illustre l'invention : En référence à ce dessin, le moule comporte deux pièces (a et b) coulées en aluminium de forme creuses dans laquelle sont prévues : deux chambres de canalisation qui servent à l'alimentation (f) ; les chicanes (g) servant à diriger le liquide à l'intérieur du moule (f), ainsi que sur sa face extérieure la forme matricielle (h) de la pièce à fabriquer. The appended drawing illustrates the invention: With reference to this drawing, the mold comprises two pieces (a and b) cast in aluminum of hollow shape in which are provided: two pipe chambers which serve for the supply (f); the baffles (g) serving to direct the liquid inside the mold (f), as well as on its outside face the matrix shape (h) of the part to be manufactured.

A chacune de ces pièces (a et b) une plaque (c) est soudée pour assurer l'étanchéité de la partie creuse. To each of these parts (a and b) a plate (c) is welded to seal the hollow part.

A chacune de ces pièces (a et b) une entrée d'alimentation du liquide est percée (j) et une sortie (K) suivant le chemin le plus court créé par la disposition des chicanes. At each of these parts (a and b) a liquid supply inlet is pierced (j) and an outlet (K) along the shortest path created by the arrangement of the baffles.

Le poinçon (a) et la matrice (b) sont insérés dans la base du moule qui est un assemblage des plaques d'acier (d et e) boulonnées et/ou soudées. The punch (a) and the die (b) are inserted into the base of the mold which is an assembly of steel plates (d and e) bolted and / or welded.

Une entrée de la résine (1) est prévue selon la géométrie de (ou des) la pièce (s) à fabriquer. An inlet for the resin (1) is provided according to the geometry of the part (s) to be manufactured.

Des éléments chauffants (i) peuvent être installés selon les besoins de moulage. Heating elements (i) can be installed as required for molding.

Le poinçon et la matrice servant à la production d'une pièce sont interchangeables dans la base du moule puisque les dimensions sont standardisées et que seul l'empreinte de la matrice change pour fabriquer un nouveau produit. The punch and the matrix used for the production of a part are interchangeable in the base of the mold since the dimensions are standardized and only the imprint of the matrix changes to make a new product.

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a. bloc matrice en aluminium b. bloc poinçon en aluminium c. plaques pour étanchéité du caisson de liquide d. plaque inférieure de la base du moule e. plaques latérales de la base du moule f. chambre de division des canalisations g. chicanes pour conduites forcées d'eau h. empreinte des pièces à mouler i. élément chauffant j. entrée d'alimentation de liquide refroidisseur k. sortie d'alimentation de liquide refroidisseur 1. entrée d'alimentation de la résine at. aluminum matrix block b. aluminum punch block c. plates for sealing the liquid container d. mold base bottom plate e. mold base side plates f. pipe division chamber g. baffles for water penstocks h. footprint of the parts to be molded i. heating element j. coolant supply inlet k. coolant supply outlet 1. resin supply inlet

Claims (1)

1.  1.
Figure img00030001
Figure img00030001
 Revendications claims Moule pour la fabrication de pièces en plastique recyclés caractérisé en ce qu'il comporte deux parties moulées en aluminium de forme creuse désigné comme étant le poinçon (a) et la cavité (b) intégrant un système de refroidissement basé sur une chambre de canalisation (f) et des chicanes d'alimentation du liquide (f) 2. Mold for the manufacture of recycled plastic parts, characterized in that it comprises two hollow aluminum molded parts designated as the punch (a) and the cavity (b) integrating a cooling system based on a channeling chamber ( f) and liquid supply baffles (f) 2. Moule selon la revendication 1 caractérisé en ce qu'il est inséré dans une base de moule en acier constitué des assemblages de plaque en acier (d et e). Mold according to claim 1 characterized in that it is inserted into a steel mold base made up of steel plate assemblies (d and e). 3. 3. Moule selon la revendication 1 et 2 caractérisé par le fait que le poinçon et la matrice servant à la production d'une pièce sont interchangeable dans la base de moule puisque les dimensions sont standardisées et que seul l'empreinte de la matrice change pour fabriquer un nouveau produit. Mold according to claim 1 and 2 characterized in that the punch and the matrix used for the production of a part are interchangeable in the mold base since the dimensions are standardized and that only the imprint of the matrix changes to produce a new product. 4. 4. Moule selon la revendication 1 caractérisé par l'intégration d'éléments chauffant pour augmenter la température du liquide pendant la période d'intrusion.Mold according to claim 1 characterized by the integration of heating elements to increase the temperature of the liquid during the intrusion period.
FR0111389A 2001-09-03 2001-09-03 Mould for recycled plastic articles has cast aluminum die and matrix and cooling system with chamber and chicane Withdrawn FR2829057A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0111389A FR2829057A1 (en) 2001-09-03 2001-09-03 Mould for recycled plastic articles has cast aluminum die and matrix and cooling system with chamber and chicane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0111389A FR2829057A1 (en) 2001-09-03 2001-09-03 Mould for recycled plastic articles has cast aluminum die and matrix and cooling system with chamber and chicane

Publications (1)

Publication Number Publication Date
FR2829057A1 true FR2829057A1 (en) 2003-03-07

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FR (1) FR2829057A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331426A1 (en) * 1973-06-20 1975-01-16 Fanini S I M S P A Large area thermoplastics moulded without pressure - by preheating mould, injecting, cooling and expelling coolant
JPH0234313A (en) * 1988-07-25 1990-02-05 Inoue Mtp Co Ltd Formable injection mold
EP0361390A2 (en) * 1988-09-27 1990-04-04 Ube Industries, Ltd. Blow molding apparatus and process
WO1997031733A1 (en) * 1996-02-27 1997-09-04 Aeroquip Corporation Cast metal injection molding cavities and process for producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331426A1 (en) * 1973-06-20 1975-01-16 Fanini S I M S P A Large area thermoplastics moulded without pressure - by preheating mould, injecting, cooling and expelling coolant
JPH0234313A (en) * 1988-07-25 1990-02-05 Inoue Mtp Co Ltd Formable injection mold
EP0361390A2 (en) * 1988-09-27 1990-04-04 Ube Industries, Ltd. Blow molding apparatus and process
WO1997031733A1 (en) * 1996-02-27 1997-09-04 Aeroquip Corporation Cast metal injection molding cavities and process for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 186 (M - 962) 16 April 1990 (1990-04-16) *

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