CN104552786B - 风扇叶用电热棒式带冷却注塑上模 - Google Patents

风扇叶用电热棒式带冷却注塑上模 Download PDF

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CN104552786B
CN104552786B CN201410482858.6A CN201410482858A CN104552786B CN 104552786 B CN104552786 B CN 104552786B CN 201410482858 A CN201410482858 A CN 201410482858A CN 104552786 B CN104552786 B CN 104552786B
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upper mould
heating
connecting rod
upper mold
cooling
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Expired - Fee Related
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CN104552786A (zh
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郭刚龙
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Zhuhai Shangyuan Plastic Product Co ltd
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Zhuhai City Source Plastic Products Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7312Construction of heating or cooling fluid flow channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7331Heat transfer elements, e.g. heat pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/08Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082Blades, e.g. for helicopters

Abstract

本发明涉及一种风扇叶用电热棒式带冷却注塑上模,属于注塑模具技术领域,其包括上模本体,在上模本体上部设置有一块用于上模本体加热的加热铝块,在上模本体的上表面向下开设有凹槽,加热铝块的下表面向下延伸有与凹槽配合的凸块,在加热铝块中部横向开设有一个加热腔,加热腔左右两端均安装有电加热棒,在加热腔下方的加热铝块中横向开设有一个冷却水腔,冷却水腔左端设置有进水口,冷却水腔右端设置有出水口。本发明其结构简单,其上模本体均匀受热,加热速度快,生产效率高,安装方便,确保了产品的合格率。

Description

风扇叶用电热棒式带冷却注塑上模
技术领域
本发明涉及一种风扇叶用电热棒式带冷却注塑上模,属于注塑模具技术领域。
背景技术
目前在CPU等风扇叶生产中,常用的就是注塑法,生产效率快,通常采用的模具如果是批量生产时其结构较复杂,结构较复杂的时候,在设计时就会带来很多问题,如:1、加热的均匀性;2、排气孔分布;3、进料口分布,如果上述问题处理不好就会降低产品的合格率。
发明内容
针对上述问题,本发明提供一种风扇叶用电热棒式带冷却注塑上模,其结构简单,操作方便,加热均匀,避免了因加热不均而影响产品的合格率,进一步确保了产品的合格率。
本发明采取的技术方案为:
所述的风扇叶用电热棒式带冷却注塑上模,包括上模本体,其特征在于:在上模本体上部设置有一块用于上模本体加热的加热铝块,在上模本体的上表面向下开设有凹槽,加热铝块的下表面向下延伸有与凹槽配合的凸块,在加热铝块中部横向开设有一个加热腔,加热腔左右两端均安装有电加热棒,在加热腔下方的加热铝块中横向开设有一个冷却水腔,冷却水腔左端设置有进水口,冷却水腔右端设置有出水口。
为了方便上模本体的更换,优选所述凸块和开设凹槽的上模本体上分别横向开设有中心线在同一直线上的通孔,在通孔内穿装有一根连杆,连杆将上模本体和加热铝块连接在一起,连杆两端均分别穿出在上模本体左右两侧壁。
为了方便上模本体的更换,提高更换速度,优选所述连杆右侧设置有一块用于防止连杆向右运动的挡块,挡块固定在加热铝块右侧壁上。
为了操作方便,同时合理控制成本,优选所述连杆左侧外露端为300mm~500mm。
同上为了操作方便,省时省力,同时合理控制成本,优选所述连杆直径为30mm~50mm。
与现有技术相比,本发明所带来的有益效果主要为:
通过本发明,其结构简单,在加热铝块作用下,将加热腔和电加热棒的热量均匀地通过凸块传递至上模本体上,其上模本体均匀受热,加热速度快,生产效率高,安装方便,同时在批量注塑时,只需考虑排气孔分布和进料口分布情况,不需要再考虑加热的均匀性,方便了模具设计,确保了产品的合格率。在冷却水腔的作用下,可以很快的对已经注塑好后的上模本体进行降温,从而加速产品的冷却定型。
附图说明
图1为本发明的结构示意图;
图2为上模本体开设通孔和凹槽后的结构示意图。
图中:1、挡块 2、上模本体 3、连杆 4、加热铝块 5、电加热棒 6、加热腔 7、冷却水腔。
具体实施方式
下面结合附图和实施例,进一步阐述本发明。在下面的详细描述中,只通过说明的方式描述了本发明的某些示范性实施例。毋庸置疑,本领域的普通技术人员可以认识到,在不偏离本发明的精神和范围的情况下,可以用各种不同的方式对所描述的实施例进行修正。因此,附图和描述在本质上是说明性的,而不是用于限制权利要求的保护范围。
实施例一
如图1、图2所示,风扇叶用电热棒式带冷却注塑上模,包括上模本体2,在上模本体2上部设置有一块用于上模本体2加热的加热铝块4,在上模本体2的上表面向下开设有凹槽,加热铝块4的下表面向下延伸有与凹槽配合的凸块,在加热铝块4中部横向开设有一个加热腔6,加热腔6左右两端均安装有电加热棒5,在加热腔6下方的加热铝块4中横向开设有一个冷却水腔7,冷却水腔7左端设置有进水口,冷却水腔7右端设置有出水口。
本实施例中,所述凸块和开设凹槽的上模本体2上分别横向开设有中心线在同一直线上的通孔,在通孔内穿装有一根连杆3,连杆3将上模本体2和加热铝块4连接在一起,连杆3两端均分别穿出在上模本体2左右两侧壁;所述连杆3右侧设置有一块用于防止连杆3向右运动的挡块1,挡块1固定在加热铝块4右侧壁上;所述连杆3左侧外露端为300mm;所述连杆3直径为30mm。
使用时,通过给电加热棒5通电,在加热铝块4作用下,将加热腔6和电加热棒5的热量均匀地通过凸块传递至上模本体2上,其上模本体均匀受热,加热速度快,生产效率高,安装方便,同时在批量注塑时,只需考虑排气孔分布和进料口分布情况,不需要再考虑加热的均匀性,方便了模具设计,确保了产品的合格率。当注塑好后再向冷却水腔7通冷却水,从而对上模本体4进行降温,从而加速产品的冷却定型。
实施例二
本实施例在实施例一的基础上进行变化,将所述连杆3左侧外露端变为400mm;所述连杆3直径变为40mm。其它同实施例一。
实施例三
本实施例在实施例一的基础上进行变化,将所述连杆3左侧外露端变为500mm;所述连杆3直径变为50mm。其它同实施例一。
以上所述仅为本发明示意性的具体实施方式,并非用以限定本发明的范围。任何本领域的技术人员,在不脱离本发明的构思和原则的前提下所作出的等同变化与修改,均应属于本发明保护的范围。

Claims (2)

1.一种风扇叶用电热棒式带冷却注塑上模,包括上模本体(2),其特征在于:在上模本体(2)上部设置有一块用于上模本体(2)加热的加热铝块(4),在上模本体(2)的上表面向下开设有凹槽,加热铝块(4)的下表面向下延伸有与凹槽配合的凸块,在加热铝块(4)中部横向开设有一个加热腔(6),加热腔(6)左右两端均安装有电加热棒(5),在加热腔(6)下方的加热铝块(4)中横向开设有一个冷却水腔(7),冷却水腔(7)左端设置有进水口,冷却水腔(7)右端设置有出水口;所述凸块和开设凹槽的上模本体(2)上分别横向开设有中心线在同一直线上的通孔,在通孔内穿装有一根连杆(3),连杆(3)将上模本体(2)和加热铝块(4)连接在一起,连杆(3)两端均分别穿出在上模本体(2)左右两侧壁;
所述连杆(3)右侧设置有一块用于防止连杆(3)向右运动的挡块(1),挡块(1)固定在加热铝块(4)右侧壁上;
所述连杆(3)左侧外露端为300mm~500mm。
2.如权利要求1所述的风扇叶用电热棒式带冷却注塑上模,其特征在于:所述连杆(3)直径为30mm~50mm。
CN201410482858.6A 2014-09-19 2014-09-19 风扇叶用电热棒式带冷却注塑上模 Expired - Fee Related CN104552786B (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003062884A (ja) * 2001-08-29 2003-03-05 Murata Mfg Co Ltd 射出成形装置
JP2005103944A (ja) * 2003-09-30 2005-04-21 Matsushita Electric Ind Co Ltd 光ディスク成形金型およびこれを用いた光ディスクの成形方法
CN202123235U (zh) * 2011-03-30 2012-01-25 宁波宝迪轮毂制造有限公司 一种具有铜质冷却壁的铸造模具
CN204076731U (zh) * 2014-09-19 2015-01-07 重庆开确科技有限公司 风扇叶用电热棒式带冷却注塑上模

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003062884A (ja) * 2001-08-29 2003-03-05 Murata Mfg Co Ltd 射出成形装置
JP2005103944A (ja) * 2003-09-30 2005-04-21 Matsushita Electric Ind Co Ltd 光ディスク成形金型およびこれを用いた光ディスクの成形方法
CN202123235U (zh) * 2011-03-30 2012-01-25 宁波宝迪轮毂制造有限公司 一种具有铜质冷却壁的铸造模具
CN204076731U (zh) * 2014-09-19 2015-01-07 重庆开确科技有限公司 风扇叶用电热棒式带冷却注塑上模

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