CN103318103B - The production method of automobile top-cap trim board - Google Patents
The production method of automobile top-cap trim board Download PDFInfo
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- CN103318103B CN103318103B CN201310273854.2A CN201310273854A CN103318103B CN 103318103 B CN103318103 B CN 103318103B CN 201310273854 A CN201310273854 A CN 201310273854A CN 103318103 B CN103318103 B CN 103318103B
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Abstract
The present invention relates to a kind of production method of automobile top-cap trim board, it comprises the following steps: sheet stock metering sanction is cut, raw MAT'L lay, hot-forming, the molding semi product demoulding, cooling and shaping and blank treatment step.The performance figure requirements such as the sound insulation that the automobile top-cap trim board produced by method of the present invention is reached, environmental protection and lightweight; Greatly reduce top cover trim board weight, meet 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, employing mould heat pressure is shaping, vacuumizing and adsorbing mould absorption cooling and shaping, and process stabilizing, ensure that safety and the accuracy of operation, improve operating efficiency simultaneously; Product clout is less; Do not have half-blank to pile up in way, saved manufacturing cost; The whole production process of product does not have objectionable impurities to produce.
Description
Technical field
The present invention relates to a kind of production method of automobile top-cap trim board, the invention belongs to automobile part production technique field.
Background technology
Automobile top-cap trim board is arranged on 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, personalized 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, govern the development of automobile top-cap trim board.Existing top cover trim board mainly also exists following problem: 1, sound-proofing is poor; 2, product material not environmentally; 3, product weight is large, is unfavorable for car load lightweight and energy-conservation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that a kind of production efficiency is high, intensity is high, greatly can reduce the labour intensity of workman in production process, the production method of automobile top-cap trim board that whole production process does not have objectionable impurities to produce.
According to technical scheme provided by the invention, the production method of described automobile top-cap trim board comprises the following steps:
A (), base material select density to be 1083 ~ 1950kg/m
3sheet molding compound, in sheet molding compound, the weight percentage of glass fibre is 26% ~ 30%;
(b), raw MAT'L lay: the size being 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 by base material 2 ~ 5 ply lay of cutting to mould center position, depths crossed to mould local die cavity and carries out feed supplement;
(c), hot-forming: forming machine presses down, mould matched moulds is carried out hot-forming, time hot-forming, upper mould temperature controls at 145 ~ 150 DEG C, lower mould temperature controls at 140 ~ 145 DEG C, forming pressure controls at 65 ~ 145MPa, and molding time controls at 400 ~ 500 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, with air gun, blown in automobile top-cap trim board half-blank surrounding and mould edge of fitting, make air enter automobile top-cap trim board half-blank and mould binding face, automobile top-cap trim board half-blank vertical liftout is taken out automobile top-cap trim board half-blank by recycling mold ejection mechanism;
E (), cooling and shaping: be placed on cooling shaping fixture by automobile top-cap trim board half-blank, open vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment controls at 0.45 ~ 0.65MPa, and absorption cooling forming time controling was at 400 ~ 500 seconds;
(f), blank process: the automobile top-cap trim board half-blank periphery clout through cooling and shaping is removed and polished smooth, obtains automobile top-cap trim board finished product.
The performance figure requirements such as the sound insulation that the automobile top-cap trim board produced by method of the present invention is reached, environmental protection and lightweight; Greatly reduce top cover trim board weight, meet 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, employing mould heat pressure is shaping, vacuumizing and adsorbing mould absorption cooling and shaping, and process stabilizing, ensure that safety and the accuracy of operation, improve operating efficiency simultaneously; Product clout is less; Do not have half-blank to pile up in way, saved manufacturing cost; The whole production process of product does not have objectionable impurities to produce.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
The sheet molding compound (Sheetmoldingcompound, referred to as SMC) that following examples use is purchased from Zhenshi Group Huamei New Composites Co., Ltd., and the density of sheet molding compound is 1089kg/m
3, in sheet molding compound, the weight percentage of glass fibre is 28%.
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 comprises the following steps:
A (), sheet stock metering sanction 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 being 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 by the base material 2 ply lay of cutting to mould center position, depths crossed to mould local die cavity and carries out feed supplement;
(c), hot-forming: forming machine presses down, and mould matched moulds is carried out hot-forming, time hot-forming, upper mould temperature controls at 145 DEG C, and lower mould temperature controls at 140 DEG C, and forming pressure controls at 65MPa, molding time controls at 400 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, with air gun, blown in automobile top-cap trim board half-blank surrounding and mould edge of fitting, make air enter automobile top-cap trim board half-blank and mould binding face, automobile top-cap trim board half-blank vertical liftout is taken out automobile top-cap trim board half-blank by recycling mold ejection mechanism;
E (), cooling and shaping: be placed on cooling shaping fixture by automobile top-cap trim board half-blank, open vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment controls at 0.45MPa, and absorption cooling forming time controling was at 400 seconds;
(f), blank process: the automobile top-cap trim board half-blank periphery clout through cooling and shaping is removed and polished smooth, obtains 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 203.06Mpa; The modulus of elasticity in static bending is 10.96Gpa; Strength under shock is 110.02kg/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 comprises the following steps:
A (), sheet stock metering sanction 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 being 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 by the base material 3 ply lay of cutting to mould center position, depths crossed to mould local die cavity and carries out feed supplement;
(c), hot-forming: forming machine presses down, and mould matched moulds is carried out hot-forming, time hot-forming, upper mould temperature controls at 147 DEG C, and lower mould temperature controls at 142 DEG C, and forming pressure controls at 80MPa, molding time controls at 440 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, with air gun, blown in automobile top-cap trim board half-blank surrounding and mould edge of fitting, make air enter automobile top-cap trim board half-blank and mould binding face, automobile top-cap trim board half-blank vertical liftout is taken out automobile top-cap trim board half-blank by recycling mold ejection mechanism;
E (), cooling and shaping: be placed on cooling shaping fixture by automobile top-cap trim board half-blank, open vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment controls at 0.55MPa, and absorption cooling forming time controling was at 440 seconds;
(f), blank process: the automobile top-cap trim board half-blank periphery clout through cooling and shaping is removed and polished smooth, obtains 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 201.06Mpa; The modulus of elasticity in static bending is 10.56Gpa; Strength under shock is 108.02kg/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 comprises the following steps:
A (), sheet stock metering sanction 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 being 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 by the base material 5 ply lay of cutting to mould center position, depths crossed to mould local die cavity and carries out feed supplement;
(c), hot-forming: forming machine presses down, and mould matched moulds is carried out hot-forming, time hot-forming, upper mould temperature controls at 150 DEG C, and lower mould temperature controls at 145 DEG C, and forming pressure controls at 95MPa, molding time controls at 460 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, with air gun, blown in automobile top-cap trim board half-blank surrounding and mould edge of fitting, make air enter automobile top-cap trim board half-blank and mould binding face, automobile top-cap trim board half-blank vertical liftout is taken out automobile top-cap trim board half-blank by recycling mold ejection mechanism;
E (), cooling and shaping: be placed on cooling shaping fixture by automobile top-cap trim board half-blank, open vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment controls at 0.6MPa, and absorption cooling forming time controling was at 460 seconds;
(f), blank process: the automobile top-cap trim board half-blank periphery clout through cooling and shaping is removed and polished smooth, obtains 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 202.05Mpa; The modulus of elasticity in static bending is 11.05Gpa; Strength under shock is 111.06kg/m
2.
Claims (1)
1. a production method for automobile top-cap trim board, is characterized in that this production method comprises the following steps:
A (), sheet stock metering sanction is cut: base material selects density to be 1089kg/m
3sheet molding compound, in sheet molding compound, the weight percentage of glass fibre is 28%;
(b), raw MAT'L lay: the size being 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 by base material 2 ~ 5 ply lay of cutting to mould center position, depths crossed to mould local die cavity and carries out feed supplement;
(c), hot-forming: forming machine presses down, mould matched moulds is carried out hot-forming, time hot-forming, upper mould temperature controls at 145 ~ 150 DEG C, lower mould temperature controls at 140 ~ 145 DEG C, forming pressure controls at 65 ~ 145MPa, and molding time controls at 400 ~ 500 seconds, obtains automobile top-cap trim board half-blank;
(d), the molding semi product demoulding: open mould, with air gun, blown in automobile top-cap trim board half-blank surrounding and mould edge of fitting, make air enter automobile top-cap trim board half-blank and mould binding face, automobile top-cap trim board half-blank vertical liftout is taken out automobile top-cap trim board half-blank by recycling mold ejection mechanism;
E (), cooling and shaping: be placed on cooling shaping fixture by automobile top-cap trim board half-blank, open vaccum-pumping equipment and carry out cooling and shaping, the absorption suction of vaccum-pumping equipment controls at 0.45 ~ 0.65MPa, and absorption cooling forming time controling was at 400 ~ 500 seconds;
(f), blank process: the automobile top-cap trim board half-blank periphery clout through cooling and shaping is removed and polished smooth, obtains automobile top-cap trim board finished product;
Described automobile top-cap trim board tensile strength is 122.01Mpa; Bending strength is 203.06Mpa; The modulus of elasticity in static bending is 10.96Gpa; Strength under shock is 110.02kg/m
2.
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| CN201310273854.2A CN103318103B (en) | 2013-07-02 | 2013-07-02 | The production method of automobile top-cap trim board |
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Families Citing this family (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 |
| 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 |
| 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 |
| CN109895413B (en) * | 2019-04-02 | 2021-10-26 | 株洲时代新材料科技股份有限公司 | Insulating bow angle manufacturing method and electric locomotive pantograph |
| CN110126241B (en) * | 2019-05-17 | 2022-03-29 | 鸿泰佛吉亚复合材料(武汉)有限公司 | Battery shell molding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2013
- 2013-07-02 CN CN201310273854.2A patent/CN103318103B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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