CN106182661A - 一种电视机液晶显示器胶框的生产工艺 - Google Patents
一种电视机液晶显示器胶框的生产工艺 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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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
- B29C45/78—Measuring, controlling or regulating of temperature
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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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
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- B29C2945/76494—Controlled parameter
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
- B29K2025/04—Polymers of styrene
- B29K2025/06—PS, i.e. polystyrene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2061/00—Use of condensation polymers of aldehydes or ketones or derivatives thereof, as moulding material
- B29K2061/04—Phenoplasts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract
一种电视机液晶显示器胶框的生产工艺,属于液晶显示器胶框技术领域,该液晶显示器胶框是由以下工艺步骤制成:(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀;(2)将原材料放入注塑模具中,然后进行保温,原材料呈熔融状态;(3)将熔融状态的原材料注射入模具型腔内,然后冷却;(4)开模取出成型的胶框。本发明的胶框耐腐蚀,使用寿命长;本发明强度高,不容易断裂,使用效果稳定;本发明成型周期短,生产效率高,且节约成本。
Description
技术领域
本发明属于液晶显示器胶框技术领域,尤其涉及一种电视机液晶显示器胶框的生产工艺。
背景技术
液晶显示器的构造是在两片平行的玻璃基板当中放置液晶盒,下基板玻璃上设置薄膜晶体管,上基板玻璃上设置彩色滤光片,通过薄膜晶体管上的信号与电压改变来控制液晶分子的转动方向,从而达到控制每个像素点偏振光出射与否而达到显示目的。液晶显示器的胶框容易老化,断裂,影响液晶显示器的效果。
发明内容
本发明所要解决的技术问题在于提供一种电视机液晶显示器胶框的生产工艺。
为解决上述问题,本发明所述的一种电视机液晶显示器胶框的生产工艺,该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为8:5:3:2~6:4:1:1;
(2)将原材料放入注塑模具中,模具内部温度为650~750℃,然后进行保温,保温温度为650~750℃,保温时间为10~15分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为35~40MPa,然后冷却,冷却时间为5~8分钟;
(4)开模取出成型的胶框。
所述添加剂是由以下比例的成分制成:丁二烯、硝酸钠、甲基苯酚和氧化锌之间的比例为5:2:3:5:1~4:1:2:3。
与现有技术相比,本发明具有以下优点:本发明的胶框耐腐蚀,使用寿命长;本发明强度高,不容易断裂,使用效果稳定;本发明成型周期短,生产效率高,且节约成本。
具体实施方式
实施例1
一种电视机液晶显示器胶框的生产工艺,该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为8:5:3:2;
(2)将原材料放入注塑模具中,模具内部温度为650℃,然后进行保温,保温温度为650℃,保温时间为10分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为35MPa,然后冷却,冷却时间为5分钟;
(4)开模取出成型的胶框。
所述添加剂是由以下比例的成分制成:丁二烯、硝酸钠、甲基苯酚和氧化锌之间的比例为5:2:3:5:1。
实验证明,此参数下胶框耐腐蚀强,使用寿命长;胶框强度高,不容易断裂;胶框成型周期最短,生产效率高。
实施例2
一种电视机液晶显示器胶框的生产工艺,该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为7:5:2:1;
(2)将原材料放入注塑模具中,模具内部温度为700℃,然后进行保温,保温温度为700℃,保温时间为13分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为37MPa,然后冷却,冷却时间为6分钟;
(4)开模取出成型的胶框。
所述添加剂是由以下比例的成分制成:丁二烯、硝酸钠、甲基苯酚和氧化锌之间的比例为4:2:3:4。
实验证明,此参数下胶框耐腐蚀最强,使用寿命最长;胶框强度最高,不容易断裂;胶框成型周期较短,生产效率高。
因此,本实施例为本发明最佳实施例。
实施例3
一种电视机液晶显示器胶框的生产工艺,该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为6:4:1:1;
(2)将原材料放入注塑模具中,模具内部温度为750℃,然后进行保温,保温温度为750℃,保温时间为15分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为40MPa,然后冷却,冷却时间为8分钟;
(4)开模取出成型的胶框。
所述添加剂是由以下比例的成分制成:丁二烯、硝酸钠、甲基苯酚和氧化锌之间的比例为4:1:2:3。
实验证明,此参数下胶框耐腐蚀较强,使用寿命较长;胶框强度高,不容易断裂;胶框成型周期短,生产效率高。
Claims (5)
1.一种电视机液晶显示器胶框的生产工艺,其特征在于:该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为8:5:3:2~6:4:1:1;
(2)将原材料放入注塑模具中,模具内部温度为650~750℃,然后进行保温,保温温度为650~750℃,保温时间为10~15分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为35~40MPa,然后冷却,冷却时间为5~8分钟;
(4)开模取出成型的胶框。
2.根据权利要求1所述一种电视机液晶显示器胶框的生产工艺,其特征在于:所述添加剂是由以下比例的成分制成:丁二烯、硝酸钠、甲基苯酚和氧化锌之间的比例为5:2:3:5:1~4:1:2:3。
3.根据权利要求1所述一种电视机液晶显示器胶框的生产工艺,其特征在于:该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为8:5:3:2;
(2)将原材料放入注塑模具中,模具内部温度为650℃,然后进行保温,保温温度为650℃,保温时间为10分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为35MPa,然后冷却,冷却时间为5分钟;
(4)开模取出成型的胶框。
4.根据权利要求1所述一种电视机液晶显示器胶框的生产工艺,其特征在于:该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为7:5:2:1;
(2)将原材料放入注塑模具中,模具内部温度为700℃,然后进行保温,保温温度为700℃,保温时间为13分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为37MPa,然后冷却,冷却时间为6分钟;
(4)开模取出成型的胶框。
5.根据权利要求1所述一种电视机液晶显示器胶框的生产工艺,其特征在于:该液晶显示器胶框是由以下工艺步骤制成:
(1)选择原材料,将聚丙烯、酚醛树脂、聚苯乙烯和添加剂混合均匀,它们之间的比例为6:4:1:1;
(2)将原材料放入注塑模具中,模具内部温度为750℃,然后进行保温,保温温度为750℃,保温时间为15分钟,原材料呈熔融状态;
(3)将熔融状态的原材料注射入模具型腔内,压力为40MPa,然后冷却,冷却时间为8分钟;
(4)开模取出成型的胶框。
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CN106977831A (zh) * | 2017-05-05 | 2017-07-25 | 安徽彩晶光电有限公司 | 液晶电视机显示器用防腐耐磨胶框 |
CN110509461A (zh) * | 2019-08-16 | 2019-11-29 | 合肥通泰光电科技有限公司 | 一种防静电显示胶框的制作模具及其制作方法 |
CN112123680A (zh) * | 2020-09-16 | 2020-12-25 | 信阳中部半导体技术有限公司 | 一种led背光源用柔性胶框生产工艺 |
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Cited By (3)
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CN106977831A (zh) * | 2017-05-05 | 2017-07-25 | 安徽彩晶光电有限公司 | 液晶电视机显示器用防腐耐磨胶框 |
CN110509461A (zh) * | 2019-08-16 | 2019-11-29 | 合肥通泰光电科技有限公司 | 一种防静电显示胶框的制作模具及其制作方法 |
CN112123680A (zh) * | 2020-09-16 | 2020-12-25 | 信阳中部半导体技术有限公司 | 一种led背光源用柔性胶框生产工艺 |
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