PT3372377T - Dispositivo para demoldar negativos em moldes de injeção termoplástica - Google Patents

Dispositivo para demoldar negativos em moldes de injeção termoplástica

Info

Publication number
PT3372377T
PT3372377T PT183821438T PT18382143T PT3372377T PT 3372377 T PT3372377 T PT 3372377T PT 183821438 T PT183821438 T PT 183821438T PT 18382143 T PT18382143 T PT 18382143T PT 3372377 T PT3372377 T PT 3372377T
Authority
PT
Portugal
Prior art keywords
injection molds
thermoplastic injection
negatives
demolding
demolding negatives
Prior art date
Application number
PT183821438T
Other languages
English (en)
Original Assignee
Comercial De Utiles Y Moldes Sa
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 Comercial De Utiles Y Moldes Sa filed Critical Comercial De Utiles Y Moldes Sa
Publication of PT3372377T publication Critical patent/PT3372377T/pt

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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B29C45/401—Ejector pin constructions or mountings
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4471—Removing or ejecting moulded articles for undercut articles using flexible or pivotable undercut forming elements
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4478—Removing or ejecting moulded articles for undercut articles using non-rigid undercut forming elements, e.g. elastic or resilient
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/7686—Measuring, controlling or regulating the ejected articles, e.g. weight control
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
    • B29C2045/4442—Flexible undercut forming elements
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C2045/445—Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article
    • 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
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/442—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with mechanical ejector or drive means therefor
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
PT183821438T 2017-03-10 2018-03-07 Dispositivo para demoldar negativos em moldes de injeção termoplástica PT3372377T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201730319A ES2681168B1 (es) 2017-03-10 2017-03-10 Dispositivo para desmoldar negativos en moldes de inyección de termoplástico

Publications (1)

Publication Number Publication Date
PT3372377T true PT3372377T (pt) 2021-07-16

Family

ID=61627025

Family Applications (1)

Application Number Title Priority Date Filing Date
PT183821438T PT3372377T (pt) 2017-03-10 2018-03-07 Dispositivo para demoldar negativos em moldes de injeção termoplástica

Country Status (5)

Country Link
US (1) US10682794B2 (pt)
EP (1) EP3372377B1 (pt)
JP (1) JP7081068B2 (pt)
ES (2) ES2681168B1 (pt)
PT (1) PT3372377T (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6985187B2 (ja) * 2018-03-15 2021-12-22 トヨタ自動車株式会社 樹脂体の金型
EP3708332B1 (en) 2019-03-13 2022-11-09 Comercial de Utiles y Moldes, S.A. Device for demoulding negatives in thermoplastic injection moulds
IT201900010392A1 (it) 2019-06-28 2020-12-28 Stocchiero S R L Attrezzatura per lo stampaggio di appendini muniti di gancetti
CN110667054B (zh) * 2019-11-07 2025-05-16 江苏双腾管业有限公司 一种电熔管件注塑模具抽芯装置
CN113910532B (zh) * 2021-10-12 2023-09-22 深圳市众为精密科技有限公司 一种用于5g手机的高光高效精密复杂型面注塑模具
CN114986823B (zh) * 2022-03-16 2024-01-12 浙江零跑科技股份有限公司 一种大斜度三杆式斜顶座结构
DE102022107788B4 (de) * 2022-04-01 2025-02-13 MERKLE PORTUGAL, Unipessoal, Lda. Mechanischer auswerfer
CN116533467B (zh) * 2023-04-24 2024-03-08 深圳恒佳精密模具注塑有限公司 一种双色注塑模具
CN119189200B (zh) * 2024-11-08 2025-04-15 苏州锦祥精密模具有限公司 一种注塑成型模具及其工作方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642417A (en) * 1970-04-29 1972-02-15 Holdt J W Von Release apparatus for diecasting assembly
JPS62105616A (ja) * 1985-11-01 1987-05-16 Daicel Chem Ind Ltd 光デイスクの射出成形用金型
JPH04251724A (ja) * 1991-01-29 1992-09-08 Sony Corp 金型装置
JPH07266344A (ja) * 1994-03-29 1995-10-17 Hightech Izumi:Kk 成形用金型
ES1031883Y (es) 1995-08-11 1996-08-01 Pruna Alberto Navarra Accesorio moldeador-expulsor para moldes de inyeccion.
JPH09155937A (ja) * 1995-12-04 1997-06-17 Ikegami Seiko Kk 樹脂成形用金型のアンダーカット処理ピン
JPH1148269A (ja) * 1997-08-06 1999-02-23 Tokai Rubber Ind Ltd 被覆層付きホースの製造方法
JP2003080570A (ja) 2001-09-13 2003-03-19 Incs Inc 射出成形用金型
JP2004316357A (ja) 2003-04-18 2004-11-11 Yasuo Matsuda 煽止め具
KR100663269B1 (ko) * 2005-06-22 2007-01-02 주식회사 씨제이텍 상형금형의 언더컷 성형장치
ES2345697B1 (es) * 2007-12-31 2011-09-28 Jose Luis Gonzalez Palacio Fenech Dispositivo para el desmoldeo de negativos en inyeccion de plastico.
CN203171907U (zh) * 2013-01-12 2013-09-04 华东交通大学 模具斜销结构
ES2428238B1 (es) * 2013-06-25 2014-09-02 Comercial de Útiles y Moldes, S.A. Dispositivo para el desmoldeado de piezas
CN103341958B (zh) * 2013-07-03 2015-08-26 科益精密模塑（太仓）有限公司 一种汽车车灯面罩模具柔性推杆机构

Also Published As

Publication number Publication date
US10682794B2 (en) 2020-06-16
US20180257280A1 (en) 2018-09-13
EP3372377B1 (en) 2021-05-05
ES2681168B1 (es) 2019-06-21
JP2018149810A (ja) 2018-09-27
JP7081068B2 (ja) 2022-06-07
ES2681168A1 (es) 2018-09-11
HK1251802A1 (en) 2019-03-22
EP3372377A1 (en) 2018-09-12
ES2881460T3 (es) 2021-11-29

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