CN107379458A - 手机壳及其注塑工艺 - Google Patents

手机壳及其注塑工艺 Download PDF

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CN107379458A
CN107379458A CN201710647067.8A CN201710647067A CN107379458A CN 107379458 A CN107379458 A CN 107379458A CN 201710647067 A CN201710647067 A CN 201710647067A CN 107379458 A CN107379458 A CN 107379458A
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mobile phone
phone shell
shooting technique
temperature
shell according
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刘建中
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Dongguan Xiang Xin Precision Science And Technology Co Ltd
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Dongguan Xiang Xin Precision Science And Technology 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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • 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
    • 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
    • B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C2045/14237—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 the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
    • B29C2045/14245—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 the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity using deforming or preforming means outside the mould cavity
    • 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
    • B29C2045/1486—Details, accessories and auxiliary operations
    • B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B29C2071/022—Annealing
    • 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
    • B29C2945/76498—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)

Abstract

本发明的手机壳及其注塑工艺，所述注塑工艺包括如下步骤：S101：首先金属片材干燥至含水率不高于0.02％；S102：将所述步骤S101得到的产物在275℃～300℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔；S103：采用退火方式进行热处理，得到手机壳；其中，热处理的温度为95℃～125℃。本发明的手机壳的注塑工艺，方法简单，节能环保，缩短了加工时间，大幅度降低了产品的成本，提高了工作效率。

Description

手机壳及其注塑工艺
技术领域
本发明属于材料加工技术领域，具体涉及一种手机壳及其注塑工艺。
背景技术
目前高端手机壳均已铝合金壳体替代之前的塑胶壳，铝合金手机壳外观精致，表面耐磨性好，现有加工工艺主要是：铝板+CNC粗加工+纳米注塑+CNC精加工+后处理+氧化(高光)+CNC落料+镭雕贴辅料包装出货，但是传统工艺加工成本高，没有核心成本市场竞争力。
发明内容
本发明的一个目的在于提出一种手机壳的注塑工艺。
本发明的手机壳的注塑工艺，包括如下步骤：S101：首先金属片材干燥至含水率不高于0.02％；S102：将所述步骤S101得到的产物在275℃～300℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔；S103：采用退火方式进行热处理，得到手机壳；其中，热处理的温度为95℃～125℃。
本发明的手机壳的注塑工艺，方法简单，节能环保，缩短了加工时间，大幅度降低了产品的成本，提高了工作效率。
另外，本发明上述实施例的手机壳的注塑工艺，还可以具有如下附加的技术特征：
进一步地，在所述步骤S102中，注塑压力为90MPa～110MPa，模具温度为90℃～110℃。
进一步地，在所述步骤S101中，干燥的温度为115℃～125℃，干燥的时间为22h～26h。
进一步地，在所述步骤S101中，所述金属片材为铝片材。
进一步地，在所述步骤S103后，还包括如下步骤：对所述手机壳进行镭雕贴辅料。
进一步地，在所述步骤S103中，退火速率为3℃/min～8℃/min。
本发明的另一个目的在于提出上述注塑工艺得到的手机壳。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
具体实施方式
下面详细描述本发明的实施例，所述实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
实施例1
实施例1提出了一种手机壳的注塑工艺，包括如下步骤：
(1)首先铝片材在115℃温度下干燥26h，直至其至含水率不高于0.02％。
(2)将所述步骤(1)得到的产物在275℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔。其中，注塑压力为90MPa～110MPa，模具温度为110℃。
(3)采用退火方式进行热处理，得到手机壳；其中，退火速率为3℃/min，热处理的温度为125℃。
实施例2
实施例2提出了一种手机壳的注塑工艺，包括如下步骤：
(1)首先铝片材在125℃温度下干燥22h，直至其至含水率不高于0.02％。
(2)将所述步骤(1)得到的产物在300℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔。其中，注塑压力为90MPa，模具温度为110℃。
(3)采用退火方式进行热处理，得到手机壳；其中，退火速率为3℃/min，热处理的温度为125℃。
实施例3
实施例3提出了一种手机壳的注塑工艺，包括如下步骤：
(1)首先铝片材在120℃温度下干燥24h，直至其至含水率不高于0.02％。
(2)将所述步骤(1)得到的产物在2850℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔。其中，注塑压力为90MPa～110MPa，模具温度为100℃。
(3)采用退火方式进行热处理，得到手机壳；其中，退火速率为5℃/min，热处理的温度为105℃。
实施例4
实施例4提出了一种手机壳的注塑工艺，包括如下步骤：
(1)首先铝片材在122℃温度下干燥25h，直至其至含水率不高于0.02％。
(2)将所述步骤(1)得到的产物在290℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔。其中，注塑压力为90MPa～110MPa，模具温度为95℃。
(3)采用退火方式进行热处理，得到手机壳；其中，退火速率为6℃/min，热处理的温度为115℃。
(4)对所述手机壳进行镭雕贴辅料。
综上，本发明的手机壳的注塑工艺，方法简单，节能环保，缩短了加工时间，大幅度降低了产品的成本，提高了工作效率。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (7)

1.一种手机壳的注塑工艺，其特征在于，包括如下步骤：
S101：首先金属片材干燥至含水率不高于0.02％；
S102：将所述步骤S101得到的产物在275℃～300℃温度下进行CNC加工注塑，依次制备出手机壳壳体及所述手机壳壳体上的天线槽、定位孔、美工槽、内腔、耳机孔、USB孔、摄像头和闪光灯孔；
S103：采用退火方式进行热处理，得到手机壳；其中，热处理的温度为95℃～125℃。
2.根据权利要求1所述的手机壳的注塑工艺，其特征在于，在所述步骤S102中，注塑压力为90MPa～110MPa，模具温度为90℃～110℃。
3.根据权利要求1所述的手机壳的注塑工艺，其特征在于，在所述步骤S101中，干燥的温度为115℃～125℃，干燥的时间为22h～26h。
4.根据权利要求1所述的手机壳的注塑工艺，其特征在于，在所述步骤S101中，所述金属片材为铝片材。
5.根据权利要求1所述的手机壳的注塑工艺，其特征在于，在所述步骤S103后，还包括如下步骤：对所述手机壳进行镭雕贴辅料。
6.根据权利要求1所述的手机壳的注塑工艺，其特征在于，在所述步骤S103中，退火速率为3℃/min～8℃/min。
7.权利要求1-6任一项注塑工艺得到的手机壳。
CN201710647067.8A 2017-08-01 2017-08-01 手机壳及其注塑工艺 Pending CN107379458A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103297565A (zh) * 2012-02-24 2013-09-11 比亚迪股份有限公司 一种手机壳体及其制备方法
CN105306632A (zh) * 2015-09-30 2016-02-03 深圳天珑无线科技有限公司 手机壳及其壳体加工工艺

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103297565A (zh) * 2012-02-24 2013-09-11 比亚迪股份有限公司 一种手机壳体及其制备方法
CN105306632A (zh) * 2015-09-30 2016-02-03 深圳天珑无线科技有限公司 手机壳及其壳体加工工艺

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