ES2421396T3 - Dispositivo de ajuste de presión en máquinas de moldeo por estiramiento y soplado, aparato y método - Google Patents

Dispositivo de ajuste de presión en máquinas de moldeo por estiramiento y soplado, aparato y método

Info

Publication number
ES2421396T3
ES2421396T3 ES11172060T ES11172060T ES2421396T3 ES 2421396 T3 ES2421396 T3 ES 2421396T3 ES 11172060 T ES11172060 T ES 11172060T ES 11172060 T ES11172060 T ES 11172060T ES 2421396 T3 ES2421396 T3 ES 2421396T3
Authority
ES
Spain
Prior art keywords
fluid
pressure
shutter
opening
hollow body
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.)
Active
Application number
ES11172060T
Other languages
English (en)
Inventor
Vanni Zacche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMI SpA
Original Assignee
SMI SpA
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 SMI SpA filed Critical SMI SpA
Application granted granted Critical
Publication of ES2421396T3 publication Critical patent/ES2421396T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/783—Measuring, controlling or regulating blowing pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
    • F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12—Stretching rods
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28—Blow-moulding apparatus
    • B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
    • B29C49/36—Blow-moulding apparatus having movable moulds or mould parts rotatable about 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4289—Valve constructions or configurations, e.g. arranged to reduce blowing fluid consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Paper (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

Dispositivo de ajuste de presión (1) para máquinas de moldeo por estiramiento y soplado de recipientesfabricados de material plástico, que comprende una abertura (12) para dispensar un fluido de soplado,comprendiendo dicho dispositivo un cuerpo hueco (4) que tiene una primera abertura de entrada (15) para un fluidoa alta presión, y una segunda abertura de entrada (17) para un fluido de pilotaje, disponiéndose de modo deslizantedentro de dicho cuerpo hueco (4) un obturador (20), siendo mantenido dicho obturador (20) en la posición cerradamediante medios elásticos (23, 123), en el que tiene lugar la abertura ajustable de dicho obturador (20), en contrastecon dichos medios elásticos (23, 123), mediante la introducción, a través de dicha segunda abertura de entrada (17),de dicho fluido de pilotaje dentro de una cámara de pilotaje (22) dispuesta entre dicho cuerpo hueco (4) y dichoobturador (20), y en el que dicho dispositivo de ajuste de presión (1) tiene medios para controlar y ajustar dichofluido de pilotaje, caracterizado porque dicha segunda abertura de entrada (17) del cuerpo hueco (4) está encomunicación fluida con medios de pilotaje de presión (24) que comprenden un elemento de unión (25) que tiene uncanal de presurización (26), alineado con la segunda abertura de entrada (17), y un canal de unión (28) que colocala cámara de pilotaje (22) en comunicación fluida con medios de válvula (29) para inyectar un fluido de pilotajepresurizado, comprendiendo dicho elemento de unión (25) medios de venteo de tipo de válvula (25) y medios dedetección de presión (30) que leen la presión dentro del canal de presurización (26).
ES11172060T 2010-07-02 2011-06-30 Dispositivo de ajuste de presión en máquinas de moldeo por estiramiento y soplado, aparato y método Active ES2421396T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2010A001222A IT1401108B1 (it) 2010-07-02 2010-07-02 Dispositivo di regolazione della pressione in macchine stirosoffiatrici

Publications (1)

Publication Number Publication Date
ES2421396T3 true ES2421396T3 (es) 2013-09-02

Family

ID=43739888

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11172060T Active ES2421396T3 (es) 2010-07-02 2011-06-30 Dispositivo de ajuste de presión en máquinas de moldeo por estiramiento y soplado, aparato y método

Country Status (5)

Country Link
US (1) US8657598B2 (es)
EP (1) EP2402143B1 (es)
CA (1) CA2745115C (es)
ES (1) ES2421396T3 (es)
IT (1) IT1401108B1 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027337A1 (de) * 2010-07-15 2012-01-19 Khs Gmbh Behandlungsmaschine für Behälter
ITMO20120042A1 (it) * 2012-02-22 2013-08-23 Atlantic Fluid Tech S R L Valvola di sostentamento carico
EP2870394A4 (en) * 2012-07-09 2016-05-04 Norgren Inc PRESSURE ACTUATED VALVE WITH ELECTRO-MAGNET ASSISTED
EP3105032B8 (en) * 2014-02-11 2020-12-09 Norgren AG A valve for a blow molding machine and a method for actuating a valve for a blow molding machine
DE102014015416A1 (de) * 2014-10-20 2016-04-21 Krones Ag Hohlkörperherstellungsmaschine
DE102014116806A1 (de) * 2014-11-17 2016-05-19 Krones Ag Druckregelvorrichtung
ITUB20154875A1 (it) * 2015-11-05 2017-05-05 Weightpack Srl Dispositivo di riempimento per prodotti disomogenei
CN106217824B (zh) * 2016-07-18 2018-06-29 安徽宁国中鼎模具制造有限公司 一种注拉吹模具用弹性脱模结构
EP3492787B1 (de) * 2017-11-29 2022-03-16 Eugen Seitz AG Ventileinheit
EP3734126B1 (en) * 2019-05-03 2021-12-29 Norgren AG Directional control valve and a sealing arrangement therefor
DE102020118835A1 (de) * 2020-07-16 2022-01-20 Krones Aktiengesellschaft Vorrichtung zum Umformen von Kunststoffvorformlingen zu Kunststoffbehältnissen mit Regeleinheit für die Blasdrücke
EP4082751B1 (de) * 2021-04-29 2024-03-13 Eugen Seitz AG Verfahren zum betreiben einer ventileinheit und ventileinheit
EP4082750B1 (de) * 2021-04-29 2023-11-01 Eugen Seitz AG Vorrichtung einer blaseinrichtung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075556A (en) * 1959-12-30 1963-01-29 K & H Equipment Ltd Pilot operated valve
NL6916965A (es) * 1969-02-01 1970-08-04
US3604459A (en) * 1970-02-24 1971-09-14 Nils O Rosaen Cartridge valve
US4136851A (en) * 1976-08-25 1979-01-30 Chemetron Corporation Valve for fire extinguishing system of gas distribution type
US4490327A (en) * 1982-02-03 1984-12-25 Cincinnati Milacron Industries, Inc. External center pin for blow molding machine
EP1574771A3 (de) * 2004-03-09 2006-01-18 Eugen Seitz Ag Ventil für den Einsatz in Streckblasmaschinen
ITBS20050032U1 (it) * 2005-11-07 2007-05-08 Omal Spa Valvola coassiale di intercettazione per l'impiego in impianti di aria compressa
ES2358368T3 (es) * 2007-07-17 2011-05-10 Eugen Seitz Ag Dispositivo de válvula para máquinas de soplado de artículos huecos y método para la insuflación de aire comprimido en un volumen de soplado.
FR2928197B1 (fr) * 2008-03-03 2014-11-21 Sidel Participations Composant pneumatique formant electrovanne et incorporant un reglage de debit, et installation de soufflage de recipients thermoplastiques equipee d'un tel composant
DE102008015776B3 (de) * 2008-03-26 2009-07-23 Festo Ag & Co. Kg Ventileinheit und damit ausgestattete Streckblasvorrichtung
EP2350506B8 (de) * 2008-11-26 2012-11-28 Parker Hannifin Manufacturing Germany GmbH & Co. KG Hydraulische ventilanordnung mit einem einen druckausgeglichen angeordneten schliesskörper aufweisenden einbauventil

Also Published As

Publication number Publication date
CA2745115A1 (en) 2012-01-02
IT1401108B1 (it) 2013-07-12
EP2402143B1 (en) 2013-04-17
ITMI20101222A1 (it) 2012-01-03
US20120001370A1 (en) 2012-01-05
EP2402143A1 (en) 2012-01-04
CA2745115C (en) 2019-07-23
US8657598B2 (en) 2014-02-25

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