CN103991193A - 一种热能回收式注塑模具 - Google Patents

一种热能回收式注塑模具 Download PDF

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Publication number
CN103991193A
CN103991193A CN201410176332.5A CN201410176332A CN103991193A CN 103991193 A CN103991193 A CN 103991193A CN 201410176332 A CN201410176332 A CN 201410176332A CN 103991193 A CN103991193 A CN 103991193A
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cooling
water
die ontology
cooling water
injection mold
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CN201410176332.5A
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熊波
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Chengdu Dragon's Fountain Xin Rui Mold Tool Plastic Factory
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Chengdu Dragon's Fountain Xin Rui Mold Tool Plastic Factory
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Priority to CN201410176332.5A priority Critical patent/CN103991193A/zh
Publication of CN103991193A publication Critical patent/CN103991193A/zh
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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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7312—Construction of heating or cooling fluid flow channels
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7306—Control circuits 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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/7604—Temperature
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76177—Location of measurement
    • B29C2945/76254—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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—Temperature
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76732—Mould
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

本发明公开了一种热能回收式注塑模具，它包括内部设置有冷却水通道（2）、电加热器（5）和温度传感器（6）的模具本体（1），冷却水通道（2）两端分别连接进水管（3）和出水管（4），冷却水储罐（9）的出水口通过输送泵（10）连接进水管（3），出水管（4）依次连接热交换器（11）和冷却水储罐（9）的进水口，温度传感器（6）、电磁阀（8）、输送泵（10）和电加热器（5）均与控制器（7）电连接。本发明的有益效果是：实现了对模具本体温度的自动调节，保证了产品的成型质量；由热交换器吸收冷却水的热能，并使冷却水循环使用，避免了水资源和热能的浪费。

Description

一种热能回收式注塑模具
技术领域
本发明涉及注塑模具技术领域，特别是一种热能回收式注塑模具。
背景技术
注塑模具是生产各种工业产品的重要工艺装备，随着塑料工业的迅速发展，以及塑料制品在航空、航天、电子、机械船舶和汽车等工业部门的推广应用，注塑模具广泛应用于各个行业中。传统注塑模具由动模和定模两部分组成，动模安装在注射成型机的移动模板上，定模安装在注射成型机的固定模板上。在注射成型时动模与定模闭合构成浇注系统和型腔，开模时动模和定模分离以便取出塑料制品。注塑模具主要由浇注系统、调温系统、成型零件和结构零件组成。对于热塑性塑料用注塑模，调温系统主要是设计冷却系统使模具冷却。模具冷却的常用办法是在模具内开设冷却水通道，利用循环流动的冷却水带走模具的热量；模具的加热是利用冷却水通道通入热水或蒸汽。这种模具的加热或冷却一般都是根据工作者的经验进行调节，所以模具的温度得不到精确的控制，从而影响了产品的成型质量。
发明内容
本发明的目的在于克服现有技术的缺点，提供一种保证产品成型质量、高效调节温度的热能回收式注塑模具。
本发明的目的通过以下技术方案来实现：一种热能回收式注塑模具，它包括模具本体，模具本体内部设置有冷却水通道，冷却水通道的一个端口连接进水管，冷却水通道的另一个端口连接出水管，模具本体的内部还设置有加热器安装孔，加热器安装孔内安装有电加热器，它还包括温度传感器、冷却水储罐、热交换器、输送泵、控制器和电磁阀，温度传感器安装于模具本体上，电磁阀安装于进水管上，冷却水储罐的出水口通过输送泵连接进水管，出水管依次连接热交换器和冷却水储罐的进水口，温度传感器、电磁阀、输送泵和电加热器均与控制器电连接。
所述的冷却水通道在模具本体内部呈蛇形或环形设置。
所述的模具本体上设置有多个加热器安装孔，每个加热器安装孔内均安装有一个电加热器。
本发明具有以下优点：本发明通过温度传感器实时检测模具本体的温度，并由控制器对温度传感器采集的温度信号进行判断，从而来控制电加热器、输送泵的工作和电磁阀的启闭，进而实现对模具进行加热和冷却，使模具本体处于设定温度，实现了对模具本体温度的自动调节，调节精度高，保证了产品的成型质量。冷却水通道在模具本体内部呈蛇形或环形设置、模具本体上设置有多个加热器安装孔的结构保证了模具本体冷却、加热的均匀性，同样利于提高产品的成型质量。与模具本体完成热交换的冷却水受热后经出水管流经热交换器，由热交换器吸收冷却水的热能，同时将冷却水重新降温，降温后的冷却水经冷却水储罐的进水口返回冷却水储罐，从而使得冷却水循环使用，避免了水资源和热能的浪费。
附图说明
图1 为本发明的结构示意图
图中，1-模具本体，2-冷却水通道，3-进水管，4-出水管，5-电加热器，6-温度传感器，7-控制器，8-电磁阀，9-冷却水储罐，10-输送泵，11-热交换器。 
具体实施方式
下面结合附图对本发明做进一步的描述，本发明的保护范围不局限于以下所述：
如图1所示，一种热能回收式注塑模具，它包括模具本体1，模具本体1内部设置有冷却水通道2，冷却水通道2的一个端口连接进水管3，冷却水通道2的另一个端口连接出水管4，模具本体1的内部还设置有加热器安装孔，加热器安装孔内安装有电加热器5，它还包括温度传感器6、冷却水储罐9、热交换器11、输送泵10、控制器7和电磁阀8，温度传感器6安装于模具本体1上，电磁阀8安装于进水管3上，冷却水储罐9的出水口通过输送泵10连接进水管3，出水管4依次连接热交换器11和冷却水储罐9的进水口，温度传感器6、电磁阀8、输送泵10和电加热器5均与控制器7电连接，温度传感器6与控制器7的输入端通过导线连接，控制器7的输出端分别与电加热器5、输送泵10和电磁阀8相连，温度传感器6用于实时检测模具本体1的温度，并将温度信号传送至控制器7，控制器7对该温度信号与设定温度值进行比较，从而控制电加热器5的工作和电磁阀8的开闭。
所述的冷却水通道2在模具本体1内部呈蛇形或环形设置，从而使模具本体1整体均匀冷却。
所述的模具本体1上设置有多个加热器安装孔，每个加热器安装孔内均安装有一个电加热器5，从而使模具本体1整体均匀加热。
本发明的工作过程如下：当温度传感器6检测的模具本体1的温度小于设定值时，控制器7控制输送泵10停止工作、关闭电磁阀8，从而停止向模具本体1内的冷却水通道2通入冷却水，同时，控制器7控制电加热器5工作，对模具本体1进行加热，进而使模具本体1的温度上升至设定值。当温度传感器6检测的模具本体1的温度大于设定值时，控制器7控制电磁阀8开启、控制输送泵10开始工作，向模具本体1内的冷却水通道2通入冷却水，同时，控制器7控制电加热器5停止工作，进而使模具本体1的温度下降至设定值，与模具本体完成热交换的冷却水受热后经出水管流经热交换器11，由热交换器11吸收冷却水的热能，同时将冷却水重新降温，降温后的冷却水经冷却水储罐9的进水口返回冷却水储罐9，从而使得冷却水循环使用，避免了水资源和热能的浪费。 

Claims (3)

1.一种高效温度调节的注塑模具，其特征在于：它包括模具本体（1），模具本体（1）内部设置有冷却水通道（2），冷却水通道（2）的一个端口连接进水管（3），冷却水通道（2）的另一个端口连接出水管（4），模具本体（1）的内部还设置有加热器安装孔，加热器安装孔内安装有电加热器（5），它还包括温度传感器（6）、冷却水储罐（9）、热交换器（11）、输送泵（10）、控制器（7）和电磁阀（8），温度传感器（6）安装于模具本体（1）上，电磁阀（8）安装于进水管（3）上，冷却水储罐（9）的出水口通过输送泵（10）连接进水管（3），出水管（4）依次连接热交换器（11）和冷却水储罐（9）的进水口，温度传感器（6）、电磁阀（8）、输送泵（10）和电加热器（5）均与控制器（7）电连接。
2.根据权利要求1所述的一种高效温度调节的注塑模具，其特征在于：所述的冷却水通道（2）在模具本体（1）内部呈蛇形或环形设置。
3.根据权利要求1所述的一种高效温度调节的注塑模具，其特征在于：所述的模具本体（1）上设置有多个加热器安装孔，每个加热器安装孔内均安装有一个电加热器（5）。
CN201410176332.5A 2014-04-29 2014-04-29 一种热能回收式注塑模具 Pending CN103991193A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105904690A (zh) * 2016-05-26 2016-08-31 芜湖市万华塑料制品有限公司 循环冷却的绝缘骨架注塑模具
CN106003632A (zh) * 2016-06-29 2016-10-12 苏州天朋精密元器件有限公司 用于塑料模具冷却水的热能收集装置
CN107139392A (zh) * 2017-03-31 2017-09-08 安徽鹭江电子工业制造有限公司 一种注塑机干燥箱

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201061903Y (zh) * 2007-06-27 2008-05-21 赖厚裕 模具加热及冷却的装置
CN101249715A (zh) * 2008-04-10 2008-08-27 山东大学 一种高光注塑模具的电加热式温度控制装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201061903Y (zh) * 2007-06-27 2008-05-21 赖厚裕 模具加热及冷却的装置
CN101249715A (zh) * 2008-04-10 2008-08-27 山东大学 一种高光注塑模具的电加热式温度控制装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105904690A (zh) * 2016-05-26 2016-08-31 芜湖市万华塑料制品有限公司 循环冷却的绝缘骨架注塑模具
CN106003632A (zh) * 2016-06-29 2016-10-12 苏州天朋精密元器件有限公司 用于塑料模具冷却水的热能收集装置
CN107139392A (zh) * 2017-03-31 2017-09-08 安徽鹭江电子工业制造有限公司 一种注塑机干燥箱

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Application publication date: 20140820