WO2018035584A1 - Dispositif articulé d'actionnement par tiges multiples pour l'ouverture et la fermeture de moules pour rotomoulage - Google Patents

Dispositif articulé d'actionnement par tiges multiples pour l'ouverture et la fermeture de moules pour rotomoulage Download PDF

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Publication number
WO2018035584A1
WO2018035584A1 PCT/BR2016/000128 BR2016000128W WO2018035584A1 WO 2018035584 A1 WO2018035584 A1 WO 2018035584A1 BR 2016000128 W BR2016000128 W BR 2016000128W WO 2018035584 A1 WO2018035584 A1 WO 2018035584A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
opening
molds
closing
spindles
Prior art date
Application number
PCT/BR2016/000128
Other languages
English (en)
Portuguese (pt)
Inventor
Washington RAMOS DE LUCCAS
Original Assignee
Ramos De Luccas Washington
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 Ramos De Luccas Washington filed Critical Ramos De Luccas Washington
Publication of WO2018035584A1 publication Critical patent/WO2018035584A1/fr

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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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould

Definitions

  • the present patent sophistication aims at a hinged device which brings as its inventive novelty the ability to realize the individual opening of the lid of each mold of a single rotational molding machine.
  • General mode rotational molding machines work with central furnace, and with arm stations where the molds are fixed to keep turning. Some machines work with one, two, three, four or more molds at the same time using the same molding furnace.
  • the opening of the mold lid is carried out at the same time by a single opening system, as described in BR-P9303562-4B1 which describes a machine for molding material by rotation in which it is comprised of a set of rotational molds mounted on structures capable of impressing them with two rotational motions, oven shuttle support structure, cooling station, demounting station, recharging station and support structure which comprises one or more trolleys.
  • BR-P9303562-4B1 which describes a machine for molding material by rotation in which it is comprised of a set of rotational molds mounted on structures capable of impressing them with two rotational motions, oven shuttle support structure, cooling station, demounting station, recharging station and support structure which comprises one or more trolleys.
  • Document BRPI0004872-0 A2 also describes a compact machine for molding polyethylene water tanks by the rotational molding process, but it is not new to its opening and closing system of the mold cover in which it is designed to open all the lids at once, a constructive detail which is different from the device claimed here in which it is designed to open each of the mold covers individually.
  • each arm-mounted mold is designed to be opened and / or closed individually through a set of spindles in which they are intended to fully open and / or close each lid or bottom.
  • each set of molds has its multiple spindle system, it is possible to open one or more molds at the same time, and the molds may have several caps.
  • Another characteristic part of the present invention is the ability to individually or collectively open each lid or bottom of the mold assembly, which may be realized by a set of spindles or simply by a single spindle.
  • Figure 1 provides an exemplary overview of a closed mold by the set of spindles positioned on the right side and left side.
  • Figure 2 shows an exemplary overview of a mold being opened synchronously by the set of spindles positioned on the right side and left side.
  • Figure 3 shows an exemplary and general view of the articulated drive device showing the spindles fixed and pivoted in the holder for the linear and individual opening of the lid or bottom of the molding machine molds.
  • Figure 4 shows a general illustrative view of an affection in which in this example the arm supports four molds, which can hold more or less molds, each mold individually having its spindle system detached in enlarged view, designed for individual opening and closing of your lid or bottom.
  • Figure 5 shows an exemplary top view of the affection that leads the molds into the oven, where each mold individually has its spindle system for opening and closing its lid or bottom.
  • the present invention is comprised of a central oven (1) for entering and exiting the car (2) with arm (3) for fixing the multiple molds (4) in which it is characterized. that the linear, vertical or horizontal opening or closing is carried out in a cadenced movement of the lid or bottom (5) of each mold (4) by linearly moving up or down the holder (6) fixed to the lid or bottom ( 5) by means of the set of spindles (7 and 7a) driven by gearmotor support (8) and internally protected by protection (9).
  • the direction of rotation of the spindle assembly (7 and 7a) will define the opening or closing direction of the cover or bottom (5) of each mold (4), or mold assembly (4).
  • Each of the molds (4) individually presents its set of spindles (7 and 7a) for fully opening or closing the lid or bottom (5).
  • Each of the molds may also have the cover or bottom variant (5) open or closed by one or more spindles (7), and have their mounting position defined according to the model the characteristic of each mold.
  • the bracket fastening system (6) on the cover or bottom (5) and the ends next to the spindle assembly (7 and 7a) will be defined according to the mold model to be used.
  • the spindle assembly (7 and 7a) is designed to linearly move up or down the cover or bottom (5) keeping the mold or mold cover fixed and stationary on the carriage arm (3) (2). ).

Landscapes

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

Abstract

La présente demande de brevet d'invention concerne un dispositif articulé trouvant une application dans le domaine des machines et équipements destinés à la fabrication de pièces par rotomoulage, la nouveauté inventive consistant en la capacité de réaliser l'ouverture individuelle ou collective de chaque couvercle ou fond (5) de l'ensemble de moules (4) par déplacement du support (8) mis en mouvement par une tige ou plusieurs tiges (7), lesquelles sont actionnées par support pour motoréducteur (8).
PCT/BR2016/000128 2016-08-25 2016-11-01 Dispositif articulé d'actionnement par tiges multiples pour l'ouverture et la fermeture de moules pour rotomoulage WO2018035584A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR102016019628-0A BR102016019628B1 (pt) 2016-08-25 2016-08-25 Dispositivo articulado de acionamento por múltiplos fusos para abertura e fechamento de moldes para rotomoldagem
BRBR102016019628-0 2016-08-25

Publications (1)

Publication Number Publication Date
WO2018035584A1 true WO2018035584A1 (fr) 2018-03-01

Family

ID=61245973

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2016/000128 WO2018035584A1 (fr) 2016-08-25 2016-11-01 Dispositif articulé d'actionnement par tiges multiples pour l'ouverture et la fermeture de moules pour rotomoulage

Country Status (2)

Country Link
BR (1) BR102016019628B1 (fr)
WO (1) WO2018035584A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314639A (en) * 1964-08-19 1967-04-18 Loma Ind Inc Mold for rotatable casting
US4629409A (en) * 1984-10-17 1986-12-16 Takara Co., Ltd. Rotational molding apparatus having robot to open, close, charge and clean molds

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314639A (en) * 1964-08-19 1967-04-18 Loma Ind Inc Mold for rotatable casting
US4629409A (en) * 1984-10-17 1986-12-16 Takara Co., Ltd. Rotational molding apparatus having robot to open, close, charge and clean molds
US4767505A (en) * 1984-10-17 1988-08-30 Takara Co., Ltd. Method of rotationally molding a synthetic resin doll

Also Published As

Publication number Publication date
BR102016019628A2 (pt) 2018-03-13
BR102016019628B1 (pt) 2021-12-14

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