CN103318103A - Automobile roof decorating plate production method - Google Patents
Automobile roof decorating plate production method Download PDFInfo
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- CN103318103A CN103318103A CN2013102738542A CN201310273854A CN103318103A CN 103318103 A CN103318103 A CN 103318103A CN 2013102738542 A CN2013102738542 A CN 2013102738542A CN 201310273854 A CN201310273854 A CN 201310273854A CN 103318103 A CN103318103 A CN 103318103A
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- mould
- trim board
- blank
- automobile top
- cap trim
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Abstract
The invention relates to an automobile roof decorating plate production method. The method includes the steps of sheet stock metering and cutting, raw material laying, hot press molding, molded semi-finished product demolding, cooling shaping and blank treating. Automobile roof decorating plates produced by the method meet performance index requirements such as sound insulation, environmental friendliness and light weight; weight of the roof decorating plate is reduced greatly, and the requirement on finished automobile lightweight design is met; sheet molding compounds are selected to substitute for metallic materials, so that cost on raw materials is reduced, and selectivity is better; in the material processing process, a mold is adopted for hot press molding, a vacuumizing adsorption mold is adopted for adsorption cooling shaping, the technique is stable, safety and accuracy of operation are guaranteed, and working efficiency is improved; excess materials of products are few; stacking of semi-finished products is avoided in transit, and manufacturing cost is saved; harmful substances are not produced in the whole roof decorating plate production process.
Description
Technical field
The present invention relates to a kind of production method of automobile top-cap trim board, the invention belongs to the auto parts and components production technical field.
Background technology
The automobile top-cap trim board is installed in automobile top, substitutes vehicle body sheet metal, plays and beautify automobile appearance and car load lightweight effect.More and more pursuing High Performance, environment-friendly type, energy-saving, lightweight, Extraordinary epoch, the profile of automobile has become the key factor that people choose automobile.Therefore also more and more higher to the requirement of automobile exterior trimming parts.In the prior art, the performance figure such as attractive in appearance, the low grammes per square metre of top cover trim board, sound-proofing are strong, recyclable, environmental protection become bottleneck, are restricting the development of automobile top-cap trim board.Existing top cover trim board mainly exists following problem: 1, sound-proofing is poor; 2, not environmental protection of product material; 3, product weight is large, is unfavorable for car load lightweight and energy-conservation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the production method that provide that a kind of production efficiency is high, intensity is high, can greatly reduce the labour intensity of workman in the production process, whole production process does not have the automobile top-cap trim board that objectionable impurities produces.
According to technical scheme provided by the invention, the production method of described automobile top-cap trim board may further comprise the steps:
(a), to select density be 1083 ~ 1950 kg/m to base material
3Sheet molding compound, the weight percentage of glass fibre is 26% ~ 30% in sheet molding compound;
(b), raw MAT'L lay: the size that is cut to mould area of conter 62% ~ 72% according to the large young pathbreaker's base material of mould area of conter, open the protective film on the upper and lower surface of base material and with base material 2 ~ 5 ply laies of cutting to the mould center position, the local die cavity of mould is crossed the depths carries out feed supplement;
(c), hot-forming: forming machine presses down, the mould matched moulds is carried out hot-forming, when hot-forming, the upper mould temperature is controlled at 145 ~ 150 ℃, the lower mould temperature is controlled at 140 ~ 145 ℃, forming pressure is controlled at 65 ~ 145MPa, and molding time is controlled at 400 ~ 500 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, blow with mould applying edge to around the automobile top-cap trim board half-blank with air gun, make air enter automobile top-cap trim board half-blank and mould binding face, recycling mold ejection mechanism is with automobile top-cap trim board half-blank vertical liftout and take out automobile top-cap trim board half-blank;
(e), cooling and shaping: automobile top-cap trim board half-blank is placed on the cooling shaping fixture, opens vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment is controlled at 0.45 ~ 0.65MPa, and the absorption cooling forming time is controlled at 400 ~ 500 seconds;
(f), blank is processed: will remove and polish smooth through the automobile top-cap trim board half-blank periphery clout of cooling and shaping, and obtain automobile top-cap trim board finished product.
The performance figure requirements such as sound insulation, environmental protection and lightweight that the automobile top-cap trim board produced by method of the present invention has reached; Greatly reduce top cover trim board weight, satisfied the requirement of car load light-weight design; Select sheet molding compound alternative metals material that the cost of raw material is reduced, and more selective; In material processing, adopt mould heat pressure moulding, vacuumizing and adsorbing mould absorption cooling and shaping, process stabilizing has been guaranteed the safety and the accuracy that operate, has promoted simultaneously operating efficiency; The product clout is less; Do not have half-blank to pile up in the way, saved manufacturing cost; The whole production process of product does not have objectionable impurities to produce.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
The sheet molding compound (Sheet molding compound is referred to as SMC) that following examples are used is available from Zhenshi Group Huamei New Composites Co., Ltd., and the density of sheet molding compound is 1089kg/m
3, the weight percentage of glass fibre is 28% in sheet molding compound.
Embodiment 1
Produce east wind manned vehicle EJ02 top cover trim board, its specification is: long 1050 * wide 900mm.
The production method of this automobile top-cap trim board may further comprise the steps:
(a), the sheet stock metering is cut out and is cut: the sheet molding compound that base material selects Zhenshi Group Huamei New Composites Co., Ltd. to produce;
(b), raw MAT'L lay: the size that is cut to mould area of conter 65% according to the large young pathbreaker's base material of mould area of conter, open the protective film on the upper and lower surface of base material and with the base material 2 ply laies of cutting to the mould center position, the local die cavity of mould is crossed the depths carries out feed supplement;
(c), hot-forming: forming machine presses down, and the mould matched moulds is carried out hot-forming, when hot-forming, the upper mould temperature is controlled at 145 ℃, and the lower mould temperature is controlled at 140 ℃, and forming pressure is controlled at 65MPa, molding time is controlled at 400 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, blow with mould applying edge to around the automobile top-cap trim board half-blank with air gun, make air enter automobile top-cap trim board half-blank and mould binding face, recycling mold ejection mechanism is with automobile top-cap trim board half-blank vertical liftout and take out automobile top-cap trim board half-blank;
(e), cooling and shaping: automobile top-cap trim board half-blank is placed on the cooling shaping fixture, opens vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment is controlled at 0.45MPa, and the absorption cooling forming time is controlled at 400 seconds;
(f), blank is processed: will remove and polish smooth through the automobile top-cap trim board half-blank periphery clout of cooling and shaping, and obtain automobile top-cap trim board finished product.
The automobile top-cap trim board end properties parameter that embodiment 1 obtains is as follows:
Tensile strength is 122.01Mpa; Bending strength is 203.06 Mpa; The modulus of elasticity in static bending is 10.96 Gpa; Strength under shock is 110.02 kg/m
2
Embodiment 2
Produce east wind manned vehicle EJ03 top cover trim board, its specification is: long 1350 * wide 900mm.
The production method of this automobile top-cap trim board may further comprise the steps:
(a), the sheet stock metering is cut out and is cut: the sheet molding compound that base material selects Zhenshi Group Huamei New Composites Co., Ltd. to produce;
(b), raw MAT'L lay: the size that is cut to mould area of conter 68% according to the large young pathbreaker's base material of mould area of conter, open the protective film on the upper and lower surface of base material and with the base material 3 ply laies of cutting to the mould center position, the local die cavity of mould is crossed the depths carries out feed supplement;
(c), hot-forming: forming machine presses down, and the mould matched moulds is carried out hot-forming, when hot-forming, the upper mould temperature is controlled at 147 ℃, and the lower mould temperature is controlled at 142 ℃, and forming pressure is controlled at 80MPa, molding time is controlled at 440 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, blow with mould applying edge to around the automobile top-cap trim board half-blank with air gun, make air enter automobile top-cap trim board half-blank and mould binding face, recycling mold ejection mechanism is with automobile top-cap trim board half-blank vertical liftout and take out automobile top-cap trim board half-blank;
(e), cooling and shaping: automobile top-cap trim board half-blank is placed on the cooling shaping fixture, opens vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment is controlled at 0.55MPa, and the absorption cooling forming time is controlled at 440 seconds;
(f), blank is processed: will remove and polish smooth through the automobile top-cap trim board half-blank periphery clout of cooling and shaping, and obtain automobile top-cap trim board finished product.
The automobile top-cap trim board end properties parameter that embodiment 2 obtains is as follows:
Tensile strength is 123.01Mpa; Bending strength is 201.06 Mpa; The modulus of elasticity in static bending is 10.56 Gpa; Strength under shock is 108.02 kg/m
2
Embodiment 3
Produce east wind manned vehicle EJ05 top cover trim board, its specification is: long 1550 * wide 900mm.
The production method of this automobile top-cap trim board may further comprise the steps:
(a), the sheet stock metering is cut out and is cut: the sheet molding compound that base material selects Zhenshi Group Huamei New Composites Co., Ltd. to produce;
(b), raw MAT'L lay: the size that is cut to mould area of conter 70% according to the large young pathbreaker's base material of mould area of conter, open the protective film on the upper and lower surface of base material and with the base material 5 ply laies of cutting to the mould center position, the local die cavity of mould is crossed the depths carries out feed supplement;
(c), hot-forming: forming machine presses down, and the mould matched moulds is carried out hot-forming, when hot-forming, the upper mould temperature is controlled at 150 ℃, and the lower mould temperature is controlled at 145 ℃, and forming pressure is controlled at 95MPa, molding time is controlled at 460 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, blow with mould applying edge to around the automobile top-cap trim board half-blank with air gun, make air enter automobile top-cap trim board half-blank and mould binding face, recycling mold ejection mechanism is with automobile top-cap trim board half-blank vertical liftout and take out automobile top-cap trim board half-blank;
(e), cooling and shaping: automobile top-cap trim board half-blank is placed on the cooling shaping fixture, opens vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment is controlled at 0.6MPa, and the absorption cooling forming time is controlled at 460 seconds;
(f), blank is processed: will remove and polish smooth through the automobile top-cap trim board half-blank periphery clout of cooling and shaping, and obtain automobile top-cap trim board finished product.
The automobile top-cap trim board end properties parameter that embodiment 3 obtains is as follows:
Tensile strength is 120.01Mpa; Bending strength is 202.05 Mpa; The modulus of elasticity in static bending is 11.05 Gpa; Strength under shock is 111.06 kg/m
2
Claims (1)
1. the production method of an automobile top-cap trim board is characterized in that this production method may further comprise the steps:
(a), the sheet stock metering is cut out and cut: it is 1083 ~ 1950 kg/m that base material is selected density
3Sheet molding compound, the weight percentage of glass fibre is 26% ~ 30% in sheet molding compound;
(b), raw MAT'L lay: the size that is cut to mould area of conter 62% ~ 72% according to the large young pathbreaker's base material of mould area of conter, open the protective film on the upper and lower surface of base material and with base material 2 ~ 5 ply laies of cutting to the mould center position, the local die cavity of mould is crossed the depths carries out feed supplement;
(c), hot-forming: forming machine presses down, the mould matched moulds is carried out hot-forming, when hot-forming, the upper mould temperature is controlled at 145 ~ 150 ℃, the lower mould temperature is controlled at 140 ~ 145 ℃, forming pressure is controlled at 65 ~ 145MPa, and molding time is controlled at 400 ~ 500 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, blow with mould applying edge to around the automobile top-cap trim board half-blank with air gun, make air enter automobile top-cap trim board half-blank and mould binding face, recycling mold ejection mechanism is with automobile top-cap trim board half-blank vertical liftout and take out automobile top-cap trim board half-blank;
(e), cooling and shaping: automobile top-cap trim board half-blank is placed on the cooling shaping fixture, opens vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment is controlled at 0.45 ~ 0.65MPa, and the absorption cooling forming time is controlled at 400 ~ 500 seconds;
(f), blank is processed: will remove and polish smooth through the automobile top-cap trim board half-blank periphery clout of cooling and shaping, and obtain automobile top-cap trim board finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273854.2A CN103318103B (en) | 2013-07-02 | 2013-07-02 | The production method of automobile top-cap trim board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273854.2A CN103318103B (en) | 2013-07-02 | 2013-07-02 | The production method of automobile top-cap trim board |
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| CN103318103A true CN103318103A (en) | 2013-09-25 |
| CN103318103B CN103318103B (en) | 2015-12-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290233A (en) * | 2014-09-25 | 2015-01-21 | 东莞市乔迪麦贸易有限公司 | Control method of shift mold cooling and heating machine |
| CN104400950A (en) * | 2014-11-18 | 2015-03-11 | 上海松江埃驰汽车地毯声学元件有限公司 | Thermal forming weighing system for vehicle roof |
| CN107584750A (en) * | 2017-08-16 | 2018-01-16 | 柳州申通汽车科技有限公司 | A kind of heat pressing process of auto sound diaphragm |
| CN109895413A (en) * | 2019-04-02 | 2019-06-18 | 株洲时代新材料科技股份有限公司 | A kind of insulation bow angle production method and block of bow collector of electric locomotive |
| CN110126241A (en) * | 2019-05-17 | 2019-08-16 | 鸿泰佛吉亚复合材料(武汉)有限公司 | Battery case mould pressing process |
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| US5130071A (en) * | 1986-03-19 | 1992-07-14 | The Budd Company | Vacuum compression molding method using preheated charge |
| CN101407227A (en) * | 2008-10-31 | 2009-04-15 | 匡建钢 | Improved automobile body casing and method of processing the same |
| CN101654059A (en) * | 2009-09-11 | 2010-02-24 | 无锡吉兴汽车声学部件科技有限公司 | Method for producing roof sun visor of automobile |
| CN101704335A (en) * | 2009-09-10 | 2010-05-12 | 上海耀华大中新材料有限公司 | Application of SMC material to vehicle skylight seat frame |
| CN102922696A (en) * | 2011-08-09 | 2013-02-13 | 劳士领汽车配件(苏州)有限公司 | Novel mold assistant ejection mechanism |
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Patent Citations (5)
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| US5130071A (en) * | 1986-03-19 | 1992-07-14 | The Budd Company | Vacuum compression molding method using preheated charge |
| CN101407227A (en) * | 2008-10-31 | 2009-04-15 | 匡建钢 | Improved automobile body casing and method of processing the same |
| CN101704335A (en) * | 2009-09-10 | 2010-05-12 | 上海耀华大中新材料有限公司 | Application of SMC material to vehicle skylight seat frame |
| CN101654059A (en) * | 2009-09-11 | 2010-02-24 | 无锡吉兴汽车声学部件科技有限公司 | Method for producing roof sun visor of automobile |
| CN102922696A (en) * | 2011-08-09 | 2013-02-13 | 劳士领汽车配件(苏州)有限公司 | Novel mold assistant ejection mechanism |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290233A (en) * | 2014-09-25 | 2015-01-21 | 东莞市乔迪麦贸易有限公司 | Control method of shift mold cooling and heating machine |
| CN104400950A (en) * | 2014-11-18 | 2015-03-11 | 上海松江埃驰汽车地毯声学元件有限公司 | Thermal forming weighing system for vehicle roof |
| CN104400950B (en) * | 2014-11-18 | 2017-01-04 | 上海松江埃驰汽车地毯声学元件有限公司 | A kind of roof of the vehicle thermoforming weighing system |
| CN107584750A (en) * | 2017-08-16 | 2018-01-16 | 柳州申通汽车科技有限公司 | A kind of heat pressing process of auto sound diaphragm |
| CN107584750B (en) * | 2017-08-16 | 2021-03-05 | 柳州申通汽车科技有限公司 | Hot pressing process of automobile sound insulation diaphragm |
| CN109895413A (en) * | 2019-04-02 | 2019-06-18 | 株洲时代新材料科技股份有限公司 | A kind of insulation bow angle production method and block of bow collector of electric locomotive |
| CN110126241A (en) * | 2019-05-17 | 2019-08-16 | 鸿泰佛吉亚复合材料(武汉)有限公司 | Battery case mould pressing process |
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| Publication number | Publication date |
|---|---|
| CN103318103B (en) | 2015-12-02 |
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