CN108000799A - 带有缝纫线的汽车门板中部背注成型方法 - Google Patents
带有缝纫线的汽车门板中部背注成型方法 Download PDFInfo
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- 238000009958 sewing Methods 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 238000001746 injection moulding Methods 0.000 claims abstract description 20
- 239000002985 plastic film Substances 0.000 claims abstract description 15
- 229920006255 plastic film Polymers 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000010792 warming Methods 0.000 claims abstract 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 15
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- 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
-
- 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
- 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
-
- 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
- B29L2031/724—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明提供一种带有缝纫线的汽车门板中部背注成型方法,包括:步骤S100:通过红外加热方式将中部面料的缝纫线的背面在10~15秒内升温至80~85℃,并保温1~1.5分钟;步骤S110:通过热合机将0.1~0.15mm厚的TPE塑料薄膜热合至中部面料的缝纫线的背面;其中,热合机的热合温度为180~210℃,热合机的热合速度为30~40mm/s;步骤S120:将热合有TPE塑料薄膜的中部面料悬挂在注塑模具的型腔内进行注塑成型;其中,注塑温度为200~210℃,注射压力为50~60MPa,注塑模具的温度为15~20℃。利用本发明提供的带有缝纫线的汽车门板中部背注成型方法,可以避免注塑熔体直接流入缝纫线针孔而透胶。
Description
技术领域
本发明涉及注塑成型技术领域,更为具体地,涉及一种带有缝纫线的汽车门板中部背注成型方法。
背景技术
随着人们对汽车造型元素多样性的需求,汽车门板中部插件造型设计趋于丰富,带有缝纫线结构的设计日趋增多。汽车门板中部背注成型技术是近年来新兴的注塑成型技术,该工艺是一种将面料与中部基板在注塑工序直接成型的一种技术,相较于传统的喷胶覆和方法,背注工艺是一种融体结合的过程,产品环保、制造工序少、粘结性能优良,该成型技术具有广阔的应用前景。而对于带有缝纫线的中部面料,在背注成型的过程中,会在缝纫线的针孔处发生透胶现象,进而影响产品的外观质量。
发明内容
鉴于上述问题,本发明的目的是提供一种带有缝纫线的汽车门板中部背注成型方法,以解决在背注成型的过程中,缝纫线的针孔处存在透胶的问题。
本发明提供的带有缝纫线的汽车门板中部背注成型方法,包括:
步骤S100:通过红外加热方式将中部面料的缝纫线的背面在10~15秒内升温至80~85℃,并保温1~1.5分钟;
步骤S110:通过热合机将0.1~0.15mm厚的TPE塑料薄膜热合至中部面料的缝纫线的背面;其中,热合机的热合温度为180~210℃,热合机的热合速度为30~40mm/s;
步骤S120:将热合有TPE塑料薄膜的中部面料悬挂在注塑模具的型腔内进行注塑成型;其中,注塑温度为200~210℃,注射压力为50~60MPa,注塑模具的温度为15~20℃。
与现有技术相比,本发明的有益效果为:
1、通过在中部面料的缝纫线的背面热合TPE塑料薄膜,可以避免注塑熔体直接流入缝纫线针孔而透胶;
2、在将TPE塑料薄膜热合至中部面料的缝纫线的背面之前,对中部面料进行红外升温处理,可以有效保证TPE塑料薄膜的热合强度;
3、TPE为聚烯烃类弹性体材料,与注塑基板的聚丙烯材料具有良好的相融性,同时,该弹性体材料与面料具有良好的热合密封性能;
4、方法简便,选材及实施方法成本低廉,产品外观质量良好。
为了实现上述以及相关目的,本发明的一个或多个方面包括后面将详细说明的特征。下面的说明以及附图详细说明了本发明的某些示例性方面。然而,这些方面指示的仅仅是可使用本发明的原理的各种方式中的一些方式。此外,本发明旨在包括所有这些方面以及它们的等同物。
附图说明
通过参考以下结合附图的说明,并且随着对本发明的更全面理解,本发明的其它目的及结果将更加明白及易于理解。在附图中:
图1为根据本发明的带有缝纫线的汽车门板中部背注成型方法的流程示意图。
具体实施方式
在下面的描述中,出于说明的目的,为了提供对一个或多个实施例的全面理解,阐述了许多具体细节。然而,很明显,也可以在没有这些具体细节的情况下实现这些实施例。在其它例子中,为了便于描述一个或多个实施例,公知的结构和设备以方框图的形式示出。
图1示出了根据本发明的带有缝纫线的汽车门板中部背注成型方法的流程。
如图1所示,本发明提供的带有缝纫线的汽车门板中部背注成型方法,包括:
步骤S100:通过红外加热方式将中部面料的缝纫线的背面在10~15秒内升温至80~85℃,并保温1~1.5分钟。
优选地,通过红外加热设备将中部面料的缝纫线的背面在15秒加热升温85℃后,保温1分钟。
对带有缝纫线的中部面料进行红外升温的目的在于提高后续热合TPE塑料薄膜的强度。
步骤S110:通过热合机将厚度为0.1~0.15mm、宽度为10mm~12mm的TPE塑料薄膜热合至中部面料的缝纫线的背面;其中,热合机的热合温度控制在180~210℃,热合机的热合速度控制在30~40mm/s。
TPE(Thermoplastic Elastomer)塑料薄膜为热塑性弹性体材料薄膜,具有高强度,高回弹性,可注塑加工的特征。
优选地,热合机的热合温度为210℃,热合机的热合速度为30~40mm/s
步骤S120:将热合有TPE塑料薄膜的中部面料悬挂在注塑模具的型腔内进行注塑成型;其中,注塑温度为200~210℃,注射压力为50~60MPa,注塑模具的温度为15~20℃。
在TPE塑料薄膜与中部面料热合后,悬挂入注塑模具的型腔内进行注塑成型,由于TPE塑料薄膜为热塑性弹性体材料薄膜,其与注塑基板的聚丙烯材料具有良好的相融性,同时,该弹性体材料薄膜与面料具有良好的热合密封性能。
该方法适用于所有带有缝纫线造型的汽车中部背注成型。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应所述以权利要求的保护范围为准。
Claims (1)
1.一种带有缝纫线的汽车门板中部背注成型方法,包括:
步骤S100:通过红外加热方式将中部面料的缝纫线的背面在10~15秒内升温至80~85℃,并保温1~1.5分钟;
步骤S110:通过热合机将0.1~0.15mm厚的TPE塑料薄膜热合至所述中部面料的缝纫线的背面;其中,所述热合机的热合温度为180~210℃,所述热合机的热合速度为30~40mm/s;
步骤S120:将热合有TPE塑料薄膜的中部面料悬挂在注塑模具的型腔内进行注塑成型;其中,注塑温度为200~210℃,注射压力为50~60MPa,所述注塑模具的温度为15~20℃。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210354308A1 (en) * | 2018-10-26 | 2021-11-18 | Joel Sullivan | Welding robot for repairing a surface defect in a press platen surface while placed in a press at operating temperature |
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|---|---|---|---|---|
| CN1039992A (zh) * | 1988-07-30 | 1990-02-28 | 大城县农机化研究所 | 塑料条与织物热合工艺与模具 |
| CN101513764A (zh) * | 2008-02-19 | 2009-08-26 | 延锋伟世通汽车饰件系统有限公司 | 汽车门内饰板成型方法 |
| US20130260086A1 (en) * | 2012-03-30 | 2013-10-03 | Toyota Motor Corporation | Foam filled panel with sealed decorative stitching and process for manufacture thereof |
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| JP2015101079A (ja) * | 2013-11-28 | 2015-06-04 | 南条装備工業株式会社 | 車両用内装材の製造方法 |
| US20150321449A1 (en) * | 2014-05-06 | 2015-11-12 | Faurecia Interior Systems, Inc. | Vehicle interior panels with sealed stitching |
| CN205951858U (zh) * | 2016-08-29 | 2017-02-15 | 广州市中新塑料有限公司 | 一种防透胶加饰成型用表皮结构 |
| WO2017165294A1 (en) * | 2016-03-21 | 2017-09-28 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd | Vehicle interior component |
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2017
- 2017-12-15 CN CN201711348915.1A patent/CN108000799A/zh active Pending
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| US20150321449A1 (en) * | 2014-05-06 | 2015-11-12 | Faurecia Interior Systems, Inc. | Vehicle interior panels with sealed stitching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210354308A1 (en) * | 2018-10-26 | 2021-11-18 | Joel Sullivan | Welding robot for repairing a surface defect in a press platen surface while placed in a press at operating temperature |
| US12186886B2 (en) * | 2018-10-26 | 2025-01-07 | Joel Sullivan | Welding robot for repairing a surface defect in a press platen surface while placed in a press at operating temperature |
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