CN105906984A - 一种汽车底盘护板及其加工方法 - Google Patents

一种汽车底盘护板及其加工方法 Download PDF

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CN105906984A
CN105906984A CN201610451927.6A CN201610451927A CN105906984A CN 105906984 A CN105906984 A CN 105906984A CN 201610451927 A CN201610451927 A CN 201610451927A CN 105906984 A CN105906984 A CN 105906984A
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parts
injection
automotive chassis
section
protecting plate
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谭毅
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TIANJIN ZHONGSHENG INDUSTRIAL Co Ltd
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TIANJIN ZHONGSHENG INDUSTRIAL 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • 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
    • B29C2945/76551—Time
    • B29C2945/76561—Time duration
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

本发明提供了一种汽车底盘护板及其加工方法，汽车底盘护板包括下述重量份的组分：聚氯乙烯树脂30‑40份，聚酰亚胺树脂10‑15份，玻璃纤维10‑20份，聚丙烯20‑30份，聚对苯二甲酸乙二醇酯15‑20份，聚甲基硅氧烷树脂25‑30份，抗氧剂15‑25份，苯二甲酸二丁酯30‑35份，隔热剂0.5‑1份。本汽车底盘护板具有很强的耐候性和抗老化性，且散热性好，加工成型率高。

Description

一种汽车底盘护板及其加工方法
技术领域
本发明属于汽车配件领域，尤其是涉及一种汽车底盘护板及其加工方法。
背景技术
随着经济的发展，人们生活水平的提高，汽车成为人们日常出行的常用交通工具之一。汽车底盘护板是汽车的重要部件之一，起到保护汽车底部的作用。发动机在车辆行驶途中，由于路况的多样性，如遇到较差的路况会碰撞到发动机油箱底壳，使油箱漏油，从而会发生安全事故。目前，常见的汽车底盘护板采用树脂护板较多。但树脂护板的耐候性、防腐蚀性较差，产品的成型率有待提高。
发明内容
有鉴于此，本发明旨在提出一种汽车底盘护板及其加工方法。
为达到上述目的，本发明的技术方案是这样实现的：
一种汽车底盘护板，包括下述重量份的组分：聚氯乙烯树脂30-40份，聚酰亚胺树脂10-15份，玻璃纤维10-20份，聚丙烯20-30份，聚对苯二甲酸乙二醇酯15-20份，聚甲基硅氧烷树脂25-30份，抗氧剂15-25份，苯二甲酸二丁酯30-35份，隔热剂0.5-1份。
进一步的，所述隔热剂为镍粉、石墨粉和铜粉的混合物，其比例为1:1:1。
根据上述原料制造汽车底盘护板的加工方法，其过程如下：
1)将上述原料按配比混合后进行干燥处理，干燥温度为90-110℃，干燥时间为4-6小时，然后加入到注塑机里；
2)设置注塑机加热段的温度，共四段温度：第一段260±5℃，第二段270±5℃，第三段275±5℃，第四段260±5℃；
3)成型、脱模。
进一步的，注塑段成型工艺参数如下：
a、第一、二段采用40-45Mpa的中压、35-40m/s的中速度注射，注射时间为1.0-2.0秒，注射胶量至产品的65-75％；
b、第二段采用60-65Mpa的中压、45-50m/s的中速度注射，注射时间为0.5-0.8秒，注射胶量至产品水口的100％；
相对于现有技术，本发明所述的汽车底盘护板具有以下优势：本汽车底盘护板具有很强的耐候性和抗老化性，且散热性好，加工成型率高。
具体实施方式
除非另外说明，本文中所用的术语均具有本领域技术人员常规理解的含义，为了便于理解本发明，将本文中使用的一些术语进行了下述定义。
在说明书和权利要求书中使用的，单数型“一个”和“这个”包括复数参考，除非上下文另有清楚的表述。例如，术语“(一个)细胞”包括复数的细胞，包括其混合物。
所有的数字标识，例如pH、温度、时间、浓度，包括范围，都是近似值。要了解，虽然不总是明确的叙述所有的数字标识之前都加上术语“约”。同时也要了解，虽然不总是明确的叙述，本文中描述的试剂仅仅是示例，其等价物是本领域已知的。
下面结合实施例来详细说明本发明。
实施例1，一种汽车底盘护板，包括下述重量份的组分：聚氯乙烯树脂30份，聚酰亚胺树脂10份，玻璃纤维10份，聚丙烯20份，聚对苯二甲酸乙二醇酯15份，聚甲基硅氧烷树脂25份，抗氧剂15份，苯二甲酸二丁酯30份，镍粉0.2份，石墨粉0.2份和铜粉0.2份。
实施例2，一种汽车底盘护板，包括下述重量份的组分：聚氯乙烯树脂35份，聚酰亚胺树脂12份，玻璃纤维15份，聚丙烯25份，聚对苯二甲酸乙二醇酯18份，聚甲基硅氧烷树脂26份，抗氧剂19份，苯二甲酸二丁酯31份，镍粉0.25份，石墨粉0.25份和铜粉0.25份。
实施例3，一种汽车底盘护板，包括下述重量份的组分：聚氯乙烯树脂40份，聚酰亚胺树脂15份，玻璃纤维20份，聚丙烯30份，聚对苯二甲酸乙二醇酯20份，聚甲基硅氧烷树脂30份，抗氧剂25份，苯二甲酸二丁酯35份，镍粉0.3份，石墨粉0.3份和铜粉0.3份。
根据上述原料制造汽车底盘护板的加工方法，其过程如下：
1)将上述原料按配比混合后进行干燥处理，干燥温度为90-110℃，干燥时间为4-6小时，然后加入到注塑机里。
2)设置注塑机加热段的温度，共四段温度：第一段260±5℃，第二段270±5℃，第三段275±5℃，第四段260±5℃。
注塑段成型工艺参数如下：
a、第一、二段采用40-45Mpa的中压、35-40m/s的中速度注射，注射时间为1.0-2.0秒，注射胶量至产品的65-75％。
b、第二段采用60-65Mpa的中压、4550m/s的中速度注射，注射时间为0.5-0.8秒，注射胶量至产品水口的100％。
3)成型、脱模。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (4)

1.一种汽车底盘护板，其特征在于：包括下述重量份的组分：聚氯乙烯树脂30-40份，聚酰亚胺树脂10-15份，玻璃纤维10-20份，聚丙烯20-30份，聚对苯二甲酸乙二醇酯15-20份，聚甲基硅氧烷树脂25-30份，抗氧剂15-25份，苯二甲酸二丁酯30-35份，隔热剂0.5-1份。
2.根据权利要求1所述的一种汽车底盘护板，其特征在于：隔热剂为镍粉、石墨粉和铜粉的混合物，其比例为1:1:1。
3.根据权利要求1所述的汽车底盘护板的加工方法，其特征在于，其过程如下：
1)将上述原料按配比混合后进行干燥处理，干燥温度为90-110℃，干燥时间为4-6小时，然后加入到注塑机里；
2)设置注塑机加热段的温度，共四段温度：第一段260±5℃，第二段270±5℃，第三段275±5℃，第四段260±5℃；
3)成型、脱模。
4.根据权利要求3所述的汽车底盘护板的加工方法，其特征在于，注塑段成型工艺参数如下：
a、第一、二段采用40-45Mpa的中压、35-40m/s的中速度注射，注射时间为1.0-2.0秒，注射胶量至产品的65-75％；
b、第二段采用60-65Mpa的中压、45-50m/s的中速度注射，注射时间为0.5-0.8秒，注射胶量至产品水口的100％。
CN201610451927.6A 2016-06-17 2016-06-17 一种汽车底盘护板及其加工方法 Pending CN105906984A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114133678A (zh) * 2021-11-22 2022-03-04 上海舜睿新材料股份有限公司 一种抗静电阻燃型pvc板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114133678A (zh) * 2021-11-22 2022-03-04 上海舜睿新材料股份有限公司 一种抗静电阻燃型pvc板

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