CN103434251A - One-step forming process for roof by wet method - Google Patents
One-step forming process for roof by wet method Download PDFInfo
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- CN103434251A CN103434251A CN2013103452720A CN201310345272A CN103434251A CN 103434251 A CN103434251 A CN 103434251A CN 2013103452720 A CN2013103452720 A CN 2013103452720A CN 201310345272 A CN201310345272 A CN 201310345272A CN 103434251 A CN103434251 A CN 103434251A
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Abstract
The invention relates to a producing and manufacturing technique for automobile roofs, in particular to a one-step forming production process for an automobile roof by a wet method, and belongs to the technical field of automobile interior parts. According to the one-step forming production process, the automobile roof is produced by glue rolling, material paving, pressing and forming, cooling and shaping, cutting by adopting a water jet cutter and checking. According to the one-step forming production process disclosed by the invention, a forming production process for the roof by the wet method is improved and the defect that the automobile roof formed by adopting the wet method is usually produced by a two-step process of forming a substrate and laminating a shell fabric is overcome; one-step forming streamline operation is realized, and thus the processing procedures are reduced and the production efficiency is increased; personnel, die and equipment investment is low and the contribution to low-cost and high-efficiency production of automobiles is achieved.
Description
Technical field
The present invention relates to a kind of manufacturing processing technology of automobile ceiling, relate in particular to a kind of one-shot forming production technology of automobile wet method ceiling, belong to the automotive upholstery technical field.
Background technology
Automobile ceiling is installed on automobile top, and the molding production process of conventional wet ceiling often adopts first by substrate forming mould compacting base material, then by the fabric mould of fitting, that fabric and base material is compressing, two-step process moulding wet method ceiling.This kind of moulding process mainly exists following problem: 1, operation is many, and production efficiency is low; 2, personnel and equipment investment are many, and cost is high.In current existing production technology, the indexs such as the processing cost of wet method ceiling moulding, production efficiency become bottleneck, are restricting the development of ceiling production technology.Thereby research invention is a kind of efficiently, the one-shot forming production technology of wet method ceiling cheaply, has great importance.
Summary of the invention
The objective of the invention is to overcome the deficiency existed in existing production technology, a kind of one-shot forming production technology of wet method ceiling is provided, can enhance productivity, reduce costs.
According to technical scheme provided by the invention, the one-shot forming technique of wet method ceiling, step is as follows:
(1) plastic roll: get glass mat, the one side to glass mat on glue spreader rolls on polyurethane adhesive, obtains being with the glue glass mat; Described spread is 30～50g/m
2, during plastic roll, the frequency of master rotor is 40～50Hz, from the frequency of cylinder, is 30～40Hz, and the frequency of coiled strip cylinder is 75～95Hz, and the gap of glue spreader horizontal cylinder is 0.20 ~ 0.25mm, and the gap of glue spreader up-down roller is 14.5～15.5mm;
(2) stone: band glue glass mat after step (1) gained plastic roll is laid on the net chain conveyor structure, by nonwoven, with glue glass mat, PU, with glue glass mat, nonwoven, by order from top to bottom, carry out stone and send in mould, the two-layer one side with glue glass fibre felt glue is all towards the PU direction;
(3) compressing: as to press the operation button, after step (2) stone, the gained material is conveyed in mould automatically back to front, and one deck ceiling fabric is laid in the layer of non-woven fabric top therein, presses start button, mould presses down and is pressed, and obtains compressing semi-finished product; Patrix temperature when compressing is 125～135 ℃, and the counterdie temperature is 110～130 ℃, and briquetting pressure is 8-12MPa, and molding time is 30～40s;
(4) cooling and shaping: the semi-finished product that obtain after compressing are placed on cooling tool to cooling and shaping at normal temperatures, obtain molding semi product, be 40～50s cool time;
(5) water cutter cutting: the molding semi product after cooling and shaping is carried out to the cutting of water cutter, obtain described ceiling; The hydraulic pressure of water cutter cutting is 40000 ~ 60000psi, and the air pressure of water cutter cutting is 4.0 ~ 6.0kg/cm
2;
(6) check: through after the assay was approved, the vanning warehouse-in.
Described ceiling fabric is the compound cutan fabric, and its density is 275-325g/m2.
Described PU is polyurethane foam sheet material, and density is 750 ~ 1000g/m
2.
Described glass mat is Inorganic Non-metallic Materials, density 2.4 ~ 2.8g/cm
3.
Described nonwoven is polypropylene PP, and density is 0.90 ~ 1.5g/ cm
3.
Beneficial effect of the present invention: the present invention promotes to some extent to the molding production process of wet method ceiling, having solved automobile wet method ceiling often adopts substrate forming to add the two-step process of fabric laminating, the one-shot forming continuous productive process, manufacturing procedure reduces, and has improved production efficiency; Personnel, mould and equipment investment are few, are the automobile low cost, and high efficiency production contributes.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
The PU used in the embodiment of the present invention and polyurethane adhesive are purchased from the polyurethane foam sheet material that can adopt the Wuxi emerging wooden bridge macromolecular material of Ji Co., Ltd to produce.
The ceiling fabric used in the embodiment of the present invention newly spins connection automotive trim Co., Ltd for Shanghai and produces.
The glass mat used in the embodiment of the present invention is produced for Nanjing Tianming Composite Material Co., Ltd..
The nonwoven used in the embodiment of the present invention is produced for top, Liyang City vertical fibre Co., Ltd.
Embodiment 1
(1) plastic roll: at glue spreader, the one side of glass mat is rolled on to polyurethane adhesive, obtain being with the glue glass mat; Described spread is 30g/m
2, during plastic roll, the frequency of master rotor is 40Hz, from the frequency of cylinder, is 30Hz, and the frequency of coiled strip cylinder is 75Hz, and the gap of glue spreader horizontal cylinder is 0.20mm, and the gap of glue spreader up-down roller is 14.5mm;
(2) stone: the band glue glass mat after step (1) gained plastic roll is laid on the net chain conveyor structure, by nonwoven, with glue glass mat, PU, with glue glass mat, nonwoven, by order from top to bottom, carry out stone and send in mould, the two-layer one side with glue glass fibre felt glue is all towards the PU direction;
(3) compressing: as to press the operation button, after step (2) stone the gained material automatically be conveyed into back to front in mould and fabric at ground floor, press start button, mould presses down and is pressed, obtain compressing semi-finished product, patrix temperature when compressing is 125～135 ℃, and the counterdie temperature is 110～130 ℃, briquetting pressure is 8MPa, and molding time is 40s;
(4) cooling and shaping: the semi-finished product that obtain after compressing are placed on cooling tool to cooling and shaping at normal temperatures, obtain molding semi product, be 40s cool time;
(5) water cutter cutting: the molding semi product after cooling and shaping is carried out to the cutting of water cutter, obtain described ceiling; The hydraulic pressure of water cutter cutting is 40000psi, and the air pressure of water cutter cutting is 4.0kg/cm
2.
(6) check: through after the assay was approved, the vanning warehouse-in.
Embodiment 2
(1) plastic roll: at glue spreader, the one side of glass mat is rolled on to polyurethane adhesive, obtain being with the glue glass mat; Described spread is 40g/m
2, during plastic roll, the frequency of master rotor is 45Hz, from the frequency of cylinder, is 35Hz, and the frequency of coiled strip cylinder is 85Hz, and the gap of glue spreader horizontal cylinder is 0.225mm, and the gap of glue spreader up-down roller is 15mm;
(2) stone: the band glue glass mat after step (1) gained plastic roll is laid on the net chain conveyor structure, by nonwoven, with glue glass mat, PU, with glue glass mat, nonwoven, by order from top to bottom, carry out stone and send in mould, the two-layer one side with glue glass fibre felt glue is all towards the PU direction;
(3) compressing: as to press the operation button, after step (2) stone the gained material automatically be conveyed into back to front in mould and fabric at ground floor, press start button, mould presses down and is pressed, obtain compressing semi-finished product, patrix temperature when compressing is 125～135 ℃, and the counterdie temperature is 110～130 ℃, briquetting pressure is 12MPa, and molding time is 30s;
(4) cooling and shaping: the semi-finished product that obtain after compressing are placed on cooling tool to cooling and shaping at normal temperatures, obtain molding semi product, be 45s cool time;
(5) water cutter cutting: the molding semi product after cooling and shaping is carried out to the cutting of water cutter, obtain described ceiling; The hydraulic pressure of water cutter cutting is 50000psi, and the air pressure of water cutter cutting is 5.0kg/cm
2.
(6) check: through after the assay was approved, the vanning warehouse-in.
Embodiment 3
(1) plastic roll: at glue spreader, the one side of glass mat is rolled on to polyurethane adhesive, obtain being with the glue glass mat; Described spread is 50g/m
2, during plastic roll, the frequency of master rotor is 50Hz, from the frequency of cylinder, is 40Hz, and the frequency of coiled strip cylinder is 95Hz, and the gap of glue spreader horizontal cylinder is 0.25mm, and the gap of glue spreader up-down roller is 15.5mm;
(2) stone: the band glue glass mat after step (1) gained plastic roll is laid on the net chain conveyor structure, by nonwoven, with glue glass mat, PU, with glue glass mat, nonwoven, by order from top to bottom, carry out stone and send in mould, the two-layer one side with glue glass fibre felt glue is all towards the PU direction;
(3) compressing: as to press the operation button, after step (2) stone the gained material automatically be conveyed into back to front in mould and fabric at ground floor, press start button, mould presses down and is pressed, obtain compressing semi-finished product, patrix temperature when compressing is 125～135 ℃, and the counterdie temperature is 110～130 ℃, briquetting pressure is 10MPa, and molding time is 35s;
(4) cooling and shaping: the semi-finished product that obtain after compressing are placed on cooling tool to cooling and shaping at normal temperatures, obtain molding semi product, be 50s cool time;
(5) water cutter cutting: the molding semi product after cooling and shaping is carried out to the cutting of water cutter, obtain described ceiling; The hydraulic pressure of water cutter cutting is 60000psi, and the air pressure of water cutter cutting is 6.0kg/cm
2.
(6) check: through after the assay was approved, the vanning warehouse-in.
Claims (5)
1. the one-shot forming technique of wet method ceiling is characterized in that step is as follows:
(1) plastic roll: get glass mat, the one side to glass mat on glue spreader rolls on polyurethane adhesive, obtains being with the glue glass mat; Described spread is 30～50g/m
2, during plastic roll, the frequency of master rotor is 40～50Hz, from the frequency of cylinder, is 30～40Hz, and the frequency of coiled strip cylinder is 75～95Hz, and the gap of glue spreader horizontal cylinder is 0.20 ~ 0.25mm, and the gap of glue spreader up-down roller is 14.5～15.5mm;
(2) stone: the band glue glass mat after step (1) gained plastic roll is laid on the net chain conveyor structure, by nonwoven, with glue glass mat, PU, with glue glass mat, nonwoven, by order from top to bottom, carry out stone and send in mould, the two-layer one side with glue glass fibre felt glue is all towards the PU direction;
(3) compressing: as to press the operation button, after step (2) stone, the gained material is conveyed in mould automatically back to front, and one deck ceiling fabric is laid in the layer of non-woven fabric top therein, presses start button, mould presses down and is pressed, and obtains compressing semi-finished product; Patrix temperature when compressing is 125～135 ℃, and the counterdie temperature is 110～130 ℃, and briquetting pressure is 8-12MPa, and molding time is 30～40s;
(4) cooling and shaping: the semi-finished product that obtain after compressing are placed on cooling tool to cooling and shaping at normal temperatures, obtain molding semi product, be 40～50s cool time;
(5) water cutter cutting: the molding semi product after cooling and shaping is carried out to the cutting of water cutter, obtain described ceiling; The hydraulic pressure of water cutter cutting is 40000 ~ 60000psi, and the air pressure of water cutter cutting is 4.0 ~ 6.0kg/cm
2;
(6) check: through after the assay was approved, the vanning warehouse-in.
2. the one-shot forming production technology of wet method ceiling as claimed in claim 1, it is characterized in that: described ceiling fabric is the compound cutan fabric, its density is 275-325g/m2.
3. the one-shot forming production technology of wet method ceiling as claimed in claim 1, it is characterized in that: described PU is polyurethane foam sheet material, density is 750 ~ 1000g/m
2.
4. the one-shot forming production technology of wet method ceiling as claimed in claim 1, it is characterized in that: described glass mat is Inorganic Non-metallic Materials, density 2.4 ~ 2.8g/cm
3.
5. the one-shot forming production technology of wet method ceiling as claimed in claim 1, it is characterized in that: described nonwoven is polypropylene PP, density is 0.90 ~ 1.5g/ cm
3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103452720A CN103434251A (en) | 2013-08-09 | 2013-08-09 | One-step forming process for roof by wet method |
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| CN2013103452720A CN103434251A (en) | 2013-08-09 | 2013-08-09 | One-step forming process for roof by wet method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015435A (en) * | 2015-07-27 | 2015-11-04 | 无锡吉兴汽车声学部件科技有限公司 | Dry-method manufacturing method for double-skylight roof of automobile |
| CN107554036A (en) * | 2017-09-05 | 2018-01-09 | 无锡吉兴汽车部件有限公司 | The production technology of Wet One-step ceiling flange |
| CN107891639A (en) * | 2017-11-06 | 2018-04-10 | 烟台正海合泰科技股份有限公司 | A kind of high sound-absorbing polyurethane automobile ceiling of high intensity and preparation method thereof |
| CN109517366A (en) * | 2018-10-27 | 2019-03-26 | 天津华翔汽车顶棚系统有限公司 | Roof of the vehicle and its manufacturing method |
| CN113524814A (en) * | 2021-07-21 | 2021-10-22 | 湖北吉兴汽车部件有限公司 | Automobile suede fabric ceiling and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947829A (en) * | 2010-08-09 | 2011-01-19 | 无锡吉兴汽车部件有限公司 | One-step forming wet production process of automobile calash |
| CN102381256A (en) * | 2011-09-10 | 2012-03-21 | 无锡吉兴汽车声学部件科技有限公司 | Wet-method roof producing process by glass fibers spread with adhesive |
| CN102442046A (en) * | 2011-09-10 | 2012-05-09 | 无锡吉兴汽车声学部件科技有限公司 | Production process for cutting and wrapping edge of once-formed skylight of automobile roof |
-
2013
- 2013-08-09 CN CN2013103452720A patent/CN103434251A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947829A (en) * | 2010-08-09 | 2011-01-19 | 无锡吉兴汽车部件有限公司 | One-step forming wet production process of automobile calash |
| CN102381256A (en) * | 2011-09-10 | 2012-03-21 | 无锡吉兴汽车声学部件科技有限公司 | Wet-method roof producing process by glass fibers spread with adhesive |
| CN102442046A (en) * | 2011-09-10 | 2012-05-09 | 无锡吉兴汽车声学部件科技有限公司 | Production process for cutting and wrapping edge of once-formed skylight of automobile roof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015435A (en) * | 2015-07-27 | 2015-11-04 | 无锡吉兴汽车声学部件科技有限公司 | Dry-method manufacturing method for double-skylight roof of automobile |
| CN107554036A (en) * | 2017-09-05 | 2018-01-09 | 无锡吉兴汽车部件有限公司 | The production technology of Wet One-step ceiling flange |
| CN107891639A (en) * | 2017-11-06 | 2018-04-10 | 烟台正海合泰科技股份有限公司 | A kind of high sound-absorbing polyurethane automobile ceiling of high intensity and preparation method thereof |
| CN109517366A (en) * | 2018-10-27 | 2019-03-26 | 天津华翔汽车顶棚系统有限公司 | Roof of the vehicle and its manufacturing method |
| CN113524814A (en) * | 2021-07-21 | 2021-10-22 | 湖北吉兴汽车部件有限公司 | Automobile suede fabric ceiling and preparation method and application thereof |
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Application publication date: 20131211 |