CN106166823B - 橡胶注射薄型入胶模具 - Google Patents
橡胶注射薄型入胶模具 Download PDFInfo
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- CN106166823B CN106166823B CN201610512239.6A CN201610512239A CN106166823B CN 106166823 B CN106166823 B CN 106166823B CN 201610512239 A CN201610512239 A CN 201610512239A CN 106166823 B CN106166823 B CN 106166823B
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- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 230000004308 accommodation Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 6
- 238000011017 operating method Methods 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000010092 rubber production Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14098—Positioning or centering articles in the mould fixing or clamping inserts having variable dimensions
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts
Landscapes
- 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)
- Gasket Seals (AREA)
- Building Environments (AREA)
Abstract
本发明公开了一种橡胶注射薄型入胶模具，包括模具主体，其特征在于，所述模具主体设置有安放金属中空框架的槽位，在金属中空框架的内圈沿周向设置有橡胶容置槽道，在橡胶容置槽道外紧贴设置有环形橡胶流道，橡胶容置槽道上设置有多个入胶口，该入胶口与环形橡胶流道之间连接有注胶通道。本发明结构简单，能分散橡胶注射多点入胶时的冲击力，避免金属骨架变形，操作工艺简单，质量稳定可靠。
Description
技术领域
本发明涉及汽车配件生产技术领域，尤其是涉及一种橡胶注射薄型入胶模具。
背景技术
发动机油底壳垫或变速箱密封件，为提高密封可靠性，常会采用外缘为铝金属或薄形钢板做骨架，内侧粘附橡胶作为密封件。生产此类橡胶密封件时，为保证产品质量稳定性及操作简便，一般采用注射橡胶生产。由于此类密封件多为中空框架形式，铝板及薄金属厚度为1-2mm，骨架单边宽度10-20mm，完全不能承受橡胶注射时的冲击力，出现金属骨架易变形，产品合格率不高的问题。为了防止骨架变形，大多采用多点进胶形式，或采用硬度偏低、流动性好的橡胶生产。因为此类密封件尺寸较大，多点进胶会出现多条橡胶流道，浪费材料；或者有时橡胶注射冲击力依然较大时，骨架仍然变形，生产模具合格率低；降低橡胶硬度增加流动性生产时，制品密封性能降低，使用寿命受影响。为解决现有注射模具不足之处，需研发一种更适宜的橡胶注射模具结构。
发明内容
本发明的目的就是为了解决现有技术之不足而提供的一种不仅结构简单，而且能分散橡胶注射多点入胶时的冲击力，避免金属骨架变形，操作工艺简单，质量稳定可靠的橡胶注射薄型入胶模具。
本发明是采用如下技术解决方案来实现上述目的：一种橡胶注射薄型入胶模具，包括模具主体，其特征在于，所述模具主体设置有安放金属中空框架的槽位，在金属中空框架的内圈沿周向设置有橡胶容置槽道，在橡胶容置槽道外紧贴设置有环形橡胶流道，橡胶容置槽道上设置有多个入胶口，该入胶口与环形橡胶流道之间连接有注胶通道，能分散橡胶注射多点入胶时的冲击力，避免金属骨架变形。
进一步地，注胶通道连接入胶口的一端设置有薄型注胶口，能够进一步缓冲入胶时的冲击力。
进一步地，所述注胶通道连接于环形橡胶流道的上侧，注胶通道的口径小于环形橡胶流道的内径。
所述环形橡胶流道的内圈中部连接于X型的连接管道，使环形橡胶流道内的橡胶材料流动更加均匀，稳定。
本发明采用上述技术解决方案所能达到的有益效果是：
本发明采用环形注射橡胶流道以及薄型注胶口相结合的形式，生产外露铝金属及薄金属中空框架式橡胶密封件，能分散橡胶注射多点入胶时的冲击力，避免金属骨架变形，操作工艺简单，质量稳定可靠。
附图说明
图1为本发明的结构示意图；
图2为本发明的结构示意图。
附图标记说明：1、模具主体 2、金属中空框架 3、槽位 4、橡胶容置槽道 5、橡胶密封件 6、环形橡胶流道 7、入胶口 8、注胶通道 8-1、薄型注胶口。
具体实施方式
以下结合具体实施例对本技术方案作详细的描述。
如图1-图2所示，本发明是一种橡胶注射薄型入胶模具，包括模具主体1，模具主体设置有安放金属中空框架2的槽位3，在金属中空框架的内圈沿周向设置有橡胶容置槽道4，使注入橡胶材料后能够在在金属中空框架的内缘形成橡胶密封件5；在橡胶容置槽道外紧贴设置有环形橡胶流道6，橡胶容置槽道上设置有多个入胶口7，该入胶口与环形橡胶流道之间连接有注胶通道8，能分散橡胶注射多点入胶时的冲击力，避免金属骨架变形。注胶通道8连接入胶口的一端设置有薄型注胶口8-1，能够进一步缓冲入胶时的冲击力。
进一步地，所述注胶通道连接于环形橡胶流道的上侧，注胶通道的口径小于环形橡胶流道的内径。环形橡胶流道的内圈中部连接于X型的连接管道9，使环形橡胶流道内的橡胶材料流动更加均匀，稳定。
本发明为提高制品密封性能及使用寿命，确保生产过程模具及制品合格率，通过环形流道薄形入胶设计分散橡胶注射冲击力。
本发明与现有技术相比，采用环形注射橡胶流道以及薄型注胶口相结合的形式，生产外露铝金属及薄金属中空框架式橡胶密封件，能分散橡胶注射多点入胶时的冲击力，避免金属骨架变形，操作工艺简单，质量稳定可靠。
以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。
Claims (2)
1.一种橡胶注射薄型入胶模具，包括模具主体，其特征在于，所述模具主体设置有安放金属中空框架的槽位，在金属中空框架的内圈沿周向设置有橡胶容置槽道，在橡胶容置槽道外紧贴设置有环形橡胶流道，橡胶容置槽道上设置有多个入胶口，该入胶口与环形橡胶流道之间连接有注胶通道，所述注胶通道连接入胶口的一端设置有薄型注胶口，所述注胶通道连接于所述环形橡胶流道的上侧，所述注胶通道的口径小于环形橡胶流道的内径。
2.根据权利要求1所述的橡胶注射薄型入胶模具，其特征在于，所述环形橡胶流道的内圈中部连接于X型的连接管道。
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| CN107160642A (zh) * | 2017-07-15 | 2017-09-15 | 广东亿达汽车密封件有限公司 | 橡胶注射薄型入胶多穴模具 |
| CN112757575A (zh) * | 2019-10-21 | 2021-05-07 | 青岛海尔电冰箱有限公司 | 注塑方法及其装置 |
| CN113635572A (zh) * | 2020-04-27 | 2021-11-12 | 汉达精密电子(昆山)有限公司 | 一种碳纤板进胶结构 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085083A (zh) * | 2014-06-19 | 2014-10-08 | 东莞劲胜精密组件股份有限公司 | 一种液态硅胶注塑模具 |
| CN104290278A (zh) * | 2014-09-29 | 2015-01-21 | 苏州飞拓精密模具有限公司 | 一种立体成型模内装饰的模具 |
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| CN102441963B (zh) * | 2011-12-13 | 2013-07-24 | 苏州爱吉亚电子科技有限公司 | 一种长而薄的金属片的塑料注塑方法 |
| CN202399478U (zh) * | 2012-01-10 | 2012-08-29 | 荧茂科技（无锡）有限公司 | 手机镜片冷流道注塑模具 |
| CN205272502U (zh) * | 2015-12-23 | 2016-06-01 | 上海佳谷模具有限公司 | 一种双色模具 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085083A (zh) * | 2014-06-19 | 2014-10-08 | 东莞劲胜精密组件股份有限公司 | 一种液态硅胶注塑模具 |
| CN104290278A (zh) * | 2014-09-29 | 2015-01-21 | 苏州飞拓精密模具有限公司 | 一种立体成型模内装饰的模具 |
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