CN102476455B - Manufacturing method of thermoplastic composite vehicle door - Google Patents
Manufacturing method of thermoplastic composite vehicle door Download PDFInfo
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- CN102476455B CN102476455B CN201010563608.7A CN201010563608A CN102476455B CN 102476455 B CN102476455 B CN 102476455B CN 201010563608 A CN201010563608 A CN 201010563608A CN 102476455 B CN102476455 B CN 102476455B
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Abstract
The invention relates to a manufacturing method of a thermoplastic composite vehicle door, comprising the following steps of: piling up a composite material until its thickness reaches 5-8mm, heating the material in a baking oven to fuse matrix resin in the composite material, transferring the fused composite material into a vehicle door die, controlling the temperature of the die within 40-120 DEG C for die locking, maintaining the die pressure at 2-40MPa, maintaining the pressure for 1-5 minutes, performing cooling setting, taking out and trimming to obtain a thermoplastic composite vehicle door main body, and fixedly connecting the vehicle door main body with a handle to obtain the thermoplastic composite vehicle door. In comparison with the prior art, the vehicle door obtained in the invention is light in weight, has more excellent deformation resistance and better endurance, will not deform permanently, has good weatherability and corrosion resistance, and is convenient to maintain.
Description
Technical field
The present invention relates to a kind of manufacture method of car door, especially relate to a kind of manufacture method of thermoplastic composite vehicle door.
Background technology
At present, the transport of coal, mainly based on Freight Transport, in order to the convenient unloading of coal, is equipped with multiple car door often saving on compartment.At present, the car door of this train mainly metal.The material of metal has its superiority, and such as intensity, rigidity are high.But due to its characteristic, there are the following problems again:
(1) density causes greatly the weight of overall car door large, and this weight that overall compartment can be caused too high, is unfavorable for the saving of energy.
(2) metal material is easily out of shape simultaneously, causes distortion when being subject to External Force Acting, and this can cause the surrounding of car door to seal the bad leakage causing coal in transportation, causes very large waste.
(3) metal material surface polarity is large, easily freezes on surface and has good adhesion strength, cause car door to be difficult to open time in the winter time.
(4) easily corrode, need to carry out regular maintenance to car door.
Summary of the invention
Object of the present invention is exactly provide to overcome defect that above-mentioned prior art exists that a kind of quality is light, deformation resistant is more excellent, without the generation of permanent deformation, durability better, there is the manufacture method of good weatherability and corrosion resistant ability, thermoplastic composite vehicle door easy to maintenance.
Object of the present invention can be achieved through the following technical solutions:
A manufacture method for thermoplastic composite vehicle door, is characterized in that, the method comprises the following steps:
Composite to be stacked after being 5 ~ 8mm to thickness again in baking oven and heat, make the matrix resin melting in composite, composite after melting is transferred in car door mould, mold temperature controls at 40 ~ 120 DEG C of matched moulds, die pressure remains on 2 ~ 40MPa, pressurize 1 ~ 5 minute cooling and shaping, obtains the door body of thermoplastic composite after taking out deburring, the door body obtained and handle are connected and fixed, namely obtain thermoplastic composite vehicle door.
Described composite comprises the composite board of the good different orientation of the composite material prepreg of different continuous fiber orientation or mixed fiber yarn braid or compound, and the matrix of this composite is thermoplastic resin.
Described continuous fiber is selected from one or more in glass fibre, carbon fiber, basalt fibre or aramid fiber.
Described continuous fiber preferred glass fibers.
Described thermoplastic resin be selected from polyolefin, polyamide, thermoplastic polyester, acrylonitrile-butadiene-phenylethylene copolymer (ABS), polyvinyl chloride (PVC), styrene-maleic anhydride copolymer (SMA) or propylene fine-copolymer in cinnamic acrylic ester (ASA) in one or more.
Described polyolefin comprises all/copolymerization of ethylene (PE) or all/co-polypropylene (PP), described polyamide comprises nylon 6 or nylon66 fiber, and described thermoplastic polyester comprises as poly terephthalic acid diethyl alcohol ester (PET), PTT (PTT), polybutylene terephthalate (PBT) (PBT) or Merlon (PC).
In described composite, the content of continuous fiber is 10 ~ 80wt%.
The content of continuous fiber preferably 30 ~ 80wt% in described composite.
The content of continuous fiber more preferably 40 ~ 80wt% in described composite.
Compared with prior art, the present invention has the following advantages:
(1) the car door quality that produces of the present invention is light, and its density is only 1/4 ~ 1/6 of metal, adds its handle, and the relative all-metal car door of weight of whole car door can reduce greatly, and this is conducive to the loss of weight in overall compartment and the operation of car door;
(2) car door that the present invention produces has good toughness, like this due to distortion that external force causes, get back after external force removes and well reply, the sealing problem that the irrecoverable distortion of the car door caused due to external force that can solve metallic vehicle door existence completely causes.
(3) adhesion in the car door that produces of the present invention and compartment very weak, is very easy to come off, even if this just makes car door also can open car door easily when winter, coal froze.
(4) car door that the present invention produces has good durability, can acid and alkali resistance, salt corrosion, can not get rusty under air and humidity, the maintenance of Yin Chemen is more prone to and facilitates.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
By unidirectional continuous fiber reinforced polypropylene prepreg tape (thickness: 0.33mm, Liaoning Jieshijie New Materials Co., Ltd produces) according to 0/90 laying 20 layers, the material completed is put in IR bake heat and makes resin melting in about 4 minutes, then the rapid composite by melting is transferred in mould, pressurization also pressurize cools about 3 minutes, die sinking, takes out, deburring, obtains full thermoplasticity composite car door.Then composite car door compacting obtained and handle are connected and fixed, and can obtain complete car door.
Embodiment 2
The hybrid fiber cloth 15 woven by Twintex (polypropylene fibre and glass fibre mixed fiber yarn) by OCV is stacked to be put, the material completed is put in IR bake heat and makes resin melting in about 3 minutes, then the rapid composite by melting is transferred in mould, pressurization also pressurize cools about 3 minutes, die sinking, take out, deburring, obtains full thermoplasticity composite car door.Then composite car door compacting obtained and handle are connected and fixed, and can obtain complete car door.
Embodiment 3
By TPAC sheet material (Liaoning Jieshijie New Materials Co., Ltd's production) good for thick for 6mm 0/90 ° of compound, the material completed is put in IR bake heat and makes resin melting in about 5 minutes, then the rapid composite by melting is transferred in mould, pressurization also pressurize cools about 3 minutes, die sinking, take out, deburring, obtains full thermoplasticity composite car door.Then composite car door compacting obtained and handle are connected and fixed, and can obtain complete car door.
Embodiment 4
A manufacture method for thermoplastic composite vehicle door, the method comprises the following steps:
10 layers of composite are stacked to thickness be 5mm, the composite material prepreg that the composite used is different continuous fiber orientation, wherein continuous fiber adopts glass fibre, content is 10wt%, the matrix of composite is the thermoplastic resin intermixture that polyvinyl chloride (PVC) and styrene-maleic anhydride copolymer (SMA) are formed, above-mentioned composite is placed in baking oven again and heats, make the matrix resin melting in composite, composite after melting is transferred in car door mould, mold temperature controls at 40 DEG C of matched moulds, die pressure remains on 40MPa, pressurize 5 minutes cooling and shapings, the door body of thermoplastic composite is obtained after taking out deburring, the door body obtained and handle are connected and fixed, namely thermoplastic composite vehicle door is obtained.
Embodiment 5
A manufacture method for thermoplastic composite vehicle door, the method comprises the following steps:
15 layers of composite are stacked to thickness be 6mm, the composite mixed fiber yarn braid that the composite used is different continuous fiber orientation, wherein continuous fiber adopts the composite fibre of carbon fiber and basalt fibre, content is 40wt%, the matrix of composite is copolymerization of ethylene (PE), above-mentioned composite is placed in baking oven again and heats, make the matrix resin melting in composite, composite after melting is transferred in car door mould, mold temperature controls at 100 DEG C of matched moulds, die pressure remains on 10MPa, pressurize 3 minutes cooling and shapings, the door body of thermoplastic composite is obtained after taking out deburring, the door body obtained and handle are connected and fixed, namely thermoplastic composite vehicle door is obtained.
Embodiment 6
A manufacture method for thermoplastic composite vehicle door, the method comprises the following steps:
20 layers of composite are stacked to thickness be 8mm, the composite mixed fiber yarn braid that the composite used is different continuous fiber orientation, wherein continuous fiber adopts aramid fiber, content is 80wt%, the matrix of composite is the mixed thermoplastic resin that nylon 6 and nylon66 fiber are formed, above-mentioned composite is placed in baking oven again and heats, make the matrix resin melting in composite, composite after melting is transferred in car door mould, mold temperature controls at 120 DEG C of matched moulds, die pressure remains on 2MPa, pressurize 1 minute cooling and shaping, the door body of thermoplastic composite is obtained after taking out deburring, the door body obtained and handle are connected and fixed, namely thermoplastic composite vehicle door is obtained.
Claims (3)
1. a manufacture method for thermoplastic composite vehicle door, is characterized in that, the method comprises the following steps:
Composite to be stacked after being 5 ~ 8mm to thickness again in baking oven and heat, make the matrix resin melting in composite, composite after melting is transferred in car door mould, mold temperature controls at 40 ~ 120 DEG C of matched moulds, die pressure remains on 2 ~ 40MPa, pressurize 1 ~ 5 minute cooling and shaping, obtains the door body of thermoplastic composite after taking out deburring, the door body obtained and handle are connected and fixed, namely obtain thermoplastic composite vehicle door;
Described composite comprises the good TPAC sheet material of the composite material prepreg of different continuous fiber orientation or mixed fiber yarn braid or compound, and the matrix of this composite is thermoplastic resin;
In described composite, the content of continuous fiber is 40 ~ 80wt%;
Described continuous fiber is selected from one or more in glass fibre, carbon fiber, basalt fibre or aramid fiber.
2. the manufacture method of a kind of thermoplastic composite vehicle door according to claim 1, it is characterized in that, described thermoplastic resin be selected from polyolefin, polyamide, thermoplastic polyester, acrylonitrile-butadiene-phenylethylene copolymer (ABS), polyvinyl chloride (PVC), styrene-maleic anhydride copolymer (SMA) or propylene fine-copolymer in cinnamic acrylic ester (ASA) in one or more.
3. the manufacture method of a kind of thermoplastic composite vehicle door according to claim 2, it is characterized in that, described polyolefin comprises all/copolymerization of ethylene (PE) or all/co-polypropylene (PP), described polyamide comprises nylon 6 or nylon66 fiber, and described thermoplastic polyester comprises poly terephthalic acid diethyl alcohol ester (PET), PTT (PTT), polybutylene terephthalate (PBT) (PBT) or Merlon (PC).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010563608.7A CN102476455B (en) | 2010-11-29 | 2010-11-29 | Manufacturing method of thermoplastic composite vehicle door |
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| CN201010563608.7A CN102476455B (en) | 2010-11-29 | 2010-11-29 | Manufacturing method of thermoplastic composite vehicle door |
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| CN102476455A CN102476455A (en) | 2012-05-30 |
| CN102476455B true CN102476455B (en) | 2015-07-08 |
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Cited By (1)
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|---|---|---|---|---|
| CN106362923A (en) * | 2016-08-30 | 2017-02-01 | 成都科创诺商贸有限公司 | Paint spraying method for automobile door |
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| CN103072285A (en) * | 2012-10-22 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Fiber reinforced resin sheet and laminated compression moulding forming method thereof |
| CN104669638A (en) * | 2013-11-27 | 2015-06-03 | 上海杰事杰新材料(集团)股份有限公司 | Preparation method of composite material door plate for lower side door of gondola car |
| CN103819886A (en) * | 2014-01-16 | 2014-05-28 | 安徽梦谷纤维材料科技有限公司 | Hybrid fiber composite material door/window section and preparation process thereof |
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| CN106362922A (en) * | 2016-08-30 | 2017-02-01 | 成都科创诺商贸有限公司 | Abrasion-resistant outer paint roll-coating technology for automobile door |
| CN107033574A (en) * | 2017-04-29 | 2017-08-11 | 界首市中源汽车修造有限公司 | A kind of automobile door plate plastic alloy material |
| CN107946488A (en) * | 2017-11-16 | 2018-04-20 | 北京航空航天大学 | Composite material battery case and preparation process based on continuous fiber Yu long fibre hybrid design |
| CN107768556A (en) * | 2017-11-16 | 2018-03-06 | 北京航空航天大学 | The multifilament hybrid composite battery case and preparation technology of a kind of local enhancement |
| CN110386094A (en) * | 2019-06-28 | 2019-10-29 | 凌云工业股份有限公司上海凌云汽车研发分公司 | A kind of the automobile buffer beam energy-absorption box and preparation method of composite molding |
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| CN101058639A (en) * | 2006-04-19 | 2007-10-24 | 中国科学院化学研究所 | Fluorine-containing polyimide basal body resin and preparation method thereof |
| CN101491944A (en) * | 2009-03-03 | 2009-07-29 | 大连宇星净水设备有限公司 | Method for producing filament reinforced thermoplastics pressure film shell |
| CN101856871A (en) * | 2009-04-08 | 2010-10-13 | 富比利实业股份有限公司 | Composite material finished product and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8632653B2 (en) * | 2005-05-03 | 2014-01-21 | The Boeing Company | Method of manufacturing curved composite structural elements |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058639A (en) * | 2006-04-19 | 2007-10-24 | 中国科学院化学研究所 | Fluorine-containing polyimide basal body resin and preparation method thereof |
| CN101491944A (en) * | 2009-03-03 | 2009-07-29 | 大连宇星净水设备有限公司 | Method for producing filament reinforced thermoplastics pressure film shell |
| CN101856871A (en) * | 2009-04-08 | 2010-10-13 | 富比利实业股份有限公司 | Composite material finished product and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106362923A (en) * | 2016-08-30 | 2017-02-01 | 成都科创诺商贸有限公司 | Paint spraying method for automobile door |
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