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CN108582809A - 一种采用复合材料成型工艺的汽车轻量化部件 - Google Patents

一种采用复合材料成型工艺的汽车轻量化部件 Download PDF

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Publication number
CN108582809A
CN108582809A CN201810351196.7A CN201810351196A CN108582809A CN 108582809 A CN108582809 A CN 108582809A CN 201810351196 A CN201810351196 A CN 201810351196A CN 108582809 A CN108582809 A CN 108582809A
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foaming
component
mould
light weight
polyurethane
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Inventor
顾建中
顾新华
陈书明
马芳武
赵晨
周雄
张竞纲
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JIANGSU XINQUAN AUTOMOBILE ACCESSORIES CO Ltd
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JIANGSU XINQUAN AUTOMOBILE ACCESSORIES CO Ltd
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Publication of CN108582809A publication Critical patent/CN108582809A/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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/428—Heating or cooling of moulds or mould parts
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/46—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

本发明公开一种采用复合材料成型工艺的汽车轻量化部件，通过将长玻纤吸塑成型后与聚氨酯玻璃纤维发泡热压成型得到，其具有整体外观，刚性强、质量轻、投资成本低、生产方式灵活等特点，并拥有良好的热稳定性和优异的力学性能。此工艺模塑件可得到更优越的机械性能和较优良的外观。

Description

一种采用复合材料成型工艺的汽车轻量化部件
技术领域
本发明涉及汽车轻量化技术领域，具体涉及一种汽车轻量化部件。
背景技术
汽车上的一些部件，例如重卡上的导流罩、导流板、侧防护板等，原先一般是采用SMC材料经过模压而成。这种生产出来的外饰件强度不够、重量比较大，应用效果不是太好。
发明内容
本发明提供一种重量轻、强度高的采用复合材料成型工艺的汽车轻量化部件。
本发明提供的技术方案是：
一种采用复合材料成型工艺的汽车轻量化部件，采用以下工艺，
将长玻纤的片材或者卷材通过吸塑设备吸塑成型得到部件的表面层，吸塑模具为单边模结构，吸塑模具带有水路、气路和真空腔，水路用于模温控制，气路和真空腔用于板材真空吸附成型，吸塑成型的时候模温机设定温度：1、4季度：95±5℃；2、3季度：90±5℃；加热时间：65±10s；二次真空(成型时间)：50s；风冷延时：30s；风冷时间：20s；模具温度：80±5℃(设备打开后3min内)；
将部件的表面层和聚氨酯玻璃纤维材料通过发泡模具和发泡设备发泡成型，发泡模具为上下模结构，上模内注射聚氨酯玻璃纤维材料，下模内放置部件的表面层，上下模都带有水路，用于模温控制，另下模带有气路和真空腔，用于板材吸附；上模内事先放置预埋件，并采用强磁铁吸附，防止预埋件掉落；聚氨酯玻璃纤维材料中的玻璃纤维占比为12％-35％，聚氨酯为聚醚和异氰酸酯的混合料，配比为1.1-1.2：1.3-1.6，发泡成型的时候，聚氨酯玻璃纤维材料储存温度：19至25℃，浇注时间：≤30s，模温：上模60±10℃；下模：65±10℃，合模压力：20MPa，合模时间：420-600s；
发泡成型完成后进行切割修边，最终部件完成。
本发明采用复合材料成型工艺的汽车轻量化部件，具有整体外观，刚性强、质量轻、投资成本低、生产方式灵活等特点，并拥有良好的热稳定性和优异的力学性能。此工艺模塑件可得到更优越的机械性能和较优良的外观。
具体实施方式
一种采用复合材料成型工艺的汽车轻量化部件，采用以下工艺，
将长玻纤的片材或者卷材通过吸塑设备吸塑成型得到部件的表面层，吸塑模具为单边模结构，吸塑模具带有水路、气路和真空腔，水路用于模温控制，气路和真空腔用于板材真空吸附成型，吸塑成型的时候模温机设定温度：1、4季度：95±5℃；2、3季度：90±5℃；加热时间：65±10s；二次真空(成型时间)：50s；风冷延时：30s；风冷时间：20s；模具温度：80±5℃(设备打开后3min内)；
将部件的表面层和聚氨酯玻璃纤维材料通过发泡模具和发泡设备发泡成型，发泡模具为上下模结构，上模内注射聚氨酯玻璃纤维材料，下模内放置部件的表面层，上下模都带有水路，用于模温控制，另下模带有气路和真空腔，用于板材吸附；上模内事先放置预埋件，并采用强磁铁吸附，防止预埋件掉落；聚氨酯玻璃纤维材料中的玻璃纤维占比为12％-35％，聚氨酯为聚醚和异氰酸酯的混合料，配比为1.1-1.2：1.3-1.6，发泡成型的时候，聚氨酯玻璃纤维材料储存温度：19至25℃，浇注时间：≤30s，模温：上模60±10℃；下模：65±10℃，合模压力：20MPa，合模时间：420-600s；发泡成型完成后进行切割修边，最终部件完成。
本发明工艺所得到的汽车部件与传统SMC材料制得的部件相比：
通过以上表格可知，本发明采用复合材料成型工艺的汽车轻量化部件，具有整体外观，刚性强、质量轻、投资成本低、生产方式灵活等特点，并拥有良好的热稳定性和优异的力学性能。

Claims (1)

1.一种采用复合材料成型工艺的汽车轻量化部件，其特征在于，采用以下工艺，
将长玻纤的片材或者卷材通过吸塑设备吸塑成型得到部件的表面层，吸塑模具为单边模结构，吸塑模具带有水路、气路和真空腔，水路用于模温控制，气路和真空腔用于板材真空吸附成型，吸塑成型的时候模温机设定温度：1、4季度：95±5℃；2、3季度：90±5℃；加热时间：65±10s；二次真空成型时间：50s；风冷延时：30s；风冷时间：20s；模具温度：80±5℃，设备打开后3min内；
将部件的表面层和聚氨酯玻璃纤维材料通过发泡模具和发泡设备发泡成型，发泡模具为上下模结构，上模内注射聚氨酯玻璃纤维材料，下模内放置部件的表面层，上下模都带有水路，用于模温控制，另下模带有气路和真空腔，用于板材吸附；上模内事先放置预埋件，并采用强磁铁吸附，防止预埋件掉落；聚氨酯玻璃纤维材料中的玻璃纤维占比为12％-35％，聚氨酯为聚醚和异氰酸酯的混合料，配比为1.1-1.2：1.3-1.6，发泡成型的时候，聚氨酯玻璃纤维材料储存温度：19至25℃，浇注时间：≤30s，模温：上模60±10℃；下模：65±10℃，合模压力：20MPa，合模时间：420-600s；
发泡成型完成后进行切割修边，最终部件完成。
CN201810351196.7A 2018-04-18 2018-04-18 一种采用复合材料成型工艺的汽车轻量化部件 Pending CN108582809A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111660634A (zh) * 2020-06-29 2020-09-15 上汽大通房车科技有限公司 一种房车额头装饰板及其加工方法
CN112622317A (zh) * 2020-11-24 2021-04-09 奇瑞新能源汽车股份有限公司 车身侧围边梁的制作方法
CN113103930A (zh) * 2021-04-15 2021-07-13 四川城际轨道交通材料有限责任公司 一种用于轨道列车接地装置的端盖及其制备方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111660634A (zh) * 2020-06-29 2020-09-15 上汽大通房车科技有限公司 一种房车额头装饰板及其加工方法
CN112622317A (zh) * 2020-11-24 2021-04-09 奇瑞新能源汽车股份有限公司 车身侧围边梁的制作方法
CN113103930A (zh) * 2021-04-15 2021-07-13 四川城际轨道交通材料有限责任公司 一种用于轨道列车接地装置的端盖及其制备方法

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