CN105799125B - 4腔软管成型模具模芯结构 - Google Patents

4腔软管成型模具模芯结构 Download PDF

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CN105799125B
CN105799125B CN201610352490.0A CN201610352490A CN105799125B CN 105799125 B CN105799125 B CN 105799125B CN 201610352490 A CN201610352490 A CN 201610352490A CN 105799125 B CN105799125 B CN 105799125B
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product
mold
screw thread
head
mold core
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CN105799125A (zh
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翁铁建
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Jiang Tianyi Precision Manufacturing Technology (suzhou) Co Ltd
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Jiang Tianyi Precision Manufacturing Technology (suzhou) Co Ltd
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    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • 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
    • B29C45/20—Injection nozzles
    • B29C45/22—Multiple nozzle systems
    • 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
    • B29C45/26—Moulds
    • B29C45/2618—Moulds having screw-threaded mould walls
    • B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive 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
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332—Mountings or guides therefor; Drives therefor
    • 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
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • B29C2045/2709—Gates with a plurality of mould cavity inlets in close proximity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible

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

Abstract

本发明涉及4腔软管成型模具模芯结构。4腔软管成型模具模芯结构，它包括注胶头、前模芯和后模芯；所述注胶头的端部设置有三个呈正三角形排列的喷嘴；所述前模芯包括螺纹芯子、固定不动的绞牙套和与螺纹芯子上端连接的齿轮；所述螺纹芯子与绞牙套螺纹连接；所述螺纹芯子的下方为型腔；所述后模芯包括位于头部的多个圆环组件和推套；所述圆环组件用于联通吹气系统。本发明的4腔软管成型模具模芯结构，避开产品中间的孔位，满足产品头部很小的需求，注胶平衡；产品头部在成型后，直接旋转脱模，没有分型线，使产品外观更美观；顶出时，消除真空，减少产品的包紧力，使得产品更容易从后模芯顶出，不易溃缩和损坏，提高了产品的质量。

Description

4腔软管成型模具模芯结构
技术领域
本发明涉及软管成型模具领域，特别是涉及4腔软管成型模具模芯结构。
背景技术
对于如图4所示的软管产品，现有的软管成型模具，由于产品头部中间有孔位，不能在中心进胶，而且产品头部有明显的分型线，影响产品的外观，在产品出模时，产品易溃缩、损坏，严重影响产品的质量。
发明内容
为解决上述技术问题，本发明提供了4腔软管成型模具模芯结构。
本发明解决其技术问题所采用的技术方案是：4腔软管成型模具模芯结构，它包括注胶头、前模芯和后模芯；所述注胶头的端部设置有三个呈正三角形排列的喷嘴；所述前模芯包括螺纹芯子、固定不动的绞牙套和与螺纹芯子上端连接的齿轮；所述螺纹芯子与绞牙套螺纹连接；所述螺纹芯子的下方为型腔；所述后模芯包括位于头部的多个圆环组件和推套；所述圆环组件用于联通吹气系统；所述注胶头的喷嘴插至前模芯的螺纹芯子中并位于型腔的上方，所述后模芯位于型腔的下方，并与型腔共同组成软管注塑腔。
所述齿轮通过液压马达驱动。
本发明的有益效果：本发明的4腔软管成型模具模芯结构，采用三个喷嘴呈正三角形排列在注胶头上，不但可以避开产品中间的孔位，又因三个喷嘴排列紧密而满足产品头部很小的需求，还因呈规则排列可使注胶平衡；采用螺纹旋脱的方式，使得产品头部在成型后，直接旋转脱模，使得产品上没有分型线，使产品外观更美观；采用圆环组件，使得在顶出时，吹气系统可将气体吹入产品和后模芯之间，消除真空，减少产品的包紧力，使得产品更容易从后模芯顶出，不易溃缩和损坏，提高了产品的质量。
附图说明
图1为实施例的4腔软管成型模具模芯结构的示意图；
图2为实施例的4腔软管成型模具模芯结构的注胶头的立体示意图；
图3为实施例的4腔软管成型模具模芯结构的前模芯的立体示意图；
图4为产品的示意图。
具体实施方式
为了加深对本发明的理解，下面将结合附图和实施例对本发明做进一步详细描述，该实施例仅用于解释本发明，并不对本发明的保护范围构成限定。
实施例
如图1至图3所示，4腔软管成型模具模芯结构，它包括注胶头1、前模芯2和后模芯3；所述注胶头1的端部设置有三个呈正三角形排列的喷嘴11；所述前模芯2包括螺纹芯子21、固定不动的绞牙套22和与螺纹芯子21上端连接的齿轮23；所述螺纹芯子21与绞牙套22螺纹连接；所述螺纹芯子21的下方为型腔24；所述后模芯3包括位于头部的多个圆环组件31和推套32；所述圆环组件31用于联通吹气系统；所述齿轮23通过液压马达驱动；所述注胶头1的喷嘴11插至前模芯2的螺纹芯子21中并位于型腔24的上方，所述后模芯3位于型腔24的下方，并与型腔24共同组成软管注塑腔。
本实施例的液压马达驱动齿轮，进而带动螺纹芯子旋转，绞牙套固定不动，螺纹芯子会旋转向上移动，使产品的头部从螺纹芯子中旋转脱出。
如图4所示的产品，因头部中间有孔位，不能在中心设置进胶口，所以在此设计了三个呈正三角形排列的喷嘴，即采用三点热流道进胶；因产品头部形状又很小，所以将三个喷嘴集中在一起，压缩了体积，又兼顾走胶的平衡；因产品头部有螺纹形状，而在现有的模具中，螺纹多采用滑块两边打开的方式，产品上有明显的分型线，影响产品的外观，所以采用旋脱螺纹，消除分型线，使产品外观更美观；因产品壁厚仅0.4mm，成型后的产品出模时，由于产品壁厚越小，推套顶出的作用面积也越小，同时产品对于后模芯子的包紧力也大，用普通的顶出方式，产品极易溃缩、损坏，所以设置多个圆环组件，与吹气系统联通，在顶出时让空气进入产品与后模芯子之间，消除真空，减少包紧力。
本实施例的4腔软管成型模具模芯结构，采用三个喷嘴呈正三角形排列在注胶头上，不但可以避开产品中间的孔位，又因三个喷嘴排列紧密而满足产品头部很小的需求，还因呈规则排列可使注胶平衡；采用螺纹旋脱的方式，使得产品头部在成型后，直接旋转脱模，使得产品上没有分型线，使产品外观更美观；采用圆环组件，使得在顶出时，吹气系统可将气体吹入产品和后模芯之间，消除真空，减少产品的包紧力，使得产品更容易从后模芯顶出，不易溃缩和损坏，提高了产品的质量。
上述实施例不应以任何方式限制本发明，凡采用等同替换或等效转换的方式获得的技术方案均落在本发明的保护范围内。

Claims (2)

1.4腔软管成型模具模芯结构，其特征在于：它包括注胶头、前模芯和后模芯；所述注胶头的端部设置有三个呈正三角形排列的喷嘴；所述前模芯包括螺纹芯子、固定不动的绞牙套和与螺纹芯子上端连接的齿轮；所述螺纹芯子与绞牙套螺纹连接；所述螺纹芯子的下方为型腔；所述后模芯包括位于头部的多个圆环组件和推套；所述圆环组件用于联通吹气系统；所述注胶头的喷嘴插至前模芯的螺纹芯子中并位于型腔的上方，所述后模芯位于型腔的下方，并与型腔共同组成软管注塑腔。
2.根据权利要求1所述的4腔软管成型模具模芯结构，其特征在于：所述齿轮通过液压马达驱动。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204054515U (zh) * 2014-08-04 2014-12-31 吴祖能 玻璃胶瓶身模具
CN205009502U (zh) * 2015-09-23 2016-02-03 华尔达（厦门）塑胶有限公司 一种带内螺纹及夹角的管件成型模具
CN205631264U (zh) * 2016-05-25 2016-10-12 江天精密制造科技（苏州）有限公司 4腔软管成型模具模芯结构

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988413A (en) * 1975-02-24 1976-10-26 American Can Company Method of molding a headpiece on a tubular body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204054515U (zh) * 2014-08-04 2014-12-31 吴祖能 玻璃胶瓶身模具
CN205009502U (zh) * 2015-09-23 2016-02-03 华尔达（厦门）塑胶有限公司 一种带内螺纹及夹角的管件成型模具
CN205631264U (zh) * 2016-05-25 2016-10-12 江天精密制造科技（苏州）有限公司 4腔软管成型模具模芯结构

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