CN101987527A - Wet process production process of polyurethane foaming ceiling local reinforcement - Google Patents
Wet process production process of polyurethane foaming ceiling local reinforcement Download PDFInfo
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- CN101987527A CN101987527A CN2010102540415A CN201010254041A CN101987527A CN 101987527 A CN101987527 A CN 101987527A CN 2010102540415 A CN2010102540415 A CN 2010102540415A CN 201010254041 A CN201010254041 A CN 201010254041A CN 101987527 A CN101987527 A CN 101987527A
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Abstract
The invention relates to a wet process production process of polyurethane foaming ceiling local reinforcement, comprising the following steps of rubber rolling, glass fiber felt paving, compression moulding, cooling setting, shell fabric adhering, cooling setting, water cutting and the like. A ceiling manufactured by the method can achieve greatly reduced weight, meets the demand of the light design of the finished automobile, has good rigidity and can prevent products which are about 3m long from being broken or hanging down, and moreover, harmful substances are not generated in the whole production process.
Description
Technical field
The present invention relates to the local wet process technique of strengthening of polyurethane foam top, specifically a kind ofly be used to be installed in automobile top, the local wet process technique of strengthening of the soft polyurethane foam top of the effect of playing heat insulation, sound insulation and beautifying belongs to automotive upholstery manufacturing technology field.
Background technology
Automotive upholstery generally is installed on automobile top, the effect of playing heat insulation, sound insulation and beautifying.More and more pursuing high-performance, environment-friendly type, energy-saving, lightweight, personalized epoch, the interior trim of automobile is the same with the profile of automobile, becomes the key factor that people choose automobile.Therefore also more and more higher to the requirement of automotive upholstery.In the prior art, performance indications such as the high sound-absorbing of top, low grammes per square metre, high strength become bottleneck, are restricting the development of top.The top of existing wet production normally adopts conventional polyurethanes sheet material to add the compression moulding of glass felt.This kind moulding process mainly exists following problem: 1, the sound-absorbing index does not reach requirement; 2, product rigidity is poor, easily sagging, the jackknifing of product of especially long size;
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of sound absorption qualities is good, rigidity is big, be difficult for saggingly fractureing, the wet process technique of the soft polyurethane foam top of light weight, and this production process does not have harmful substance to produce.
According to technical scheme provided by the invention, the local wet process technique of strengthening of described soft polyurethane foam top comprises following steps:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in polyurethane top matrix upper and lower surface, the plastic roll motor speed is controlled at: 35～40 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at: 4～6mm, each single face spread on the upper and lower surface of polyurethane top matrix is controlled at: 150～170g/m
2
(b), the plastic roll of glass felt and lay: get one with need strengthening the position (position that generally needs to strengthen is positioned at position, roof liner skylight, can arbitrarily strengthen according to the method at any position) (this glass felt is required to be emulsion to the identical glass felt of size, this kind glass can not trickled down glass when plastic roll, cause the glass felt to damage, reduce intensity) on the plastic roll machine, carry out plastic roll, the upper and lower roller pitch of plastic roll machine is controlled at 0.5～1mm; Each single face lay one whole glass felt that magnifies in the upper and lower surface of the polyurethane top matrix of step a (is generally 150g/m then
2), put the glass felt that rolls across glue at the position that needs are strengthened again; At step a, the upper and lower surface of the resulting semi-finished product of b covers nonwoven and PE glued membrane (PE 25g/m successively then
2), make polyurethane top semi-finished product;
(c), compression moulding: the polyurethane top semi-finished product of step b are pressed in mould, the patrix temperature is controlled at during compression moulding: 130～140 ℃, the counterdie temperature is controlled at during compression moulding: 130～140 ℃, briquetting pressure is controlled at: 65～75kgf/cm
2, molding time is controlled at: 50～55sec makes the compression moulding semi-finished product;
(d), cooling and shaping: the compression moulding semi-finished product of step c are cooled to normal temperature, make its typing;
(e), lining is fitted: paste decorative fabric on the half-finished lower surface behind the steps d cooling and shaping, then these semi-finished product are placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at during applying: 110～120 ℃, the counterdie temperature is controlled at during applying: 120～130 ℃, laminate pressure is controlled at: 45～55kgf/cm
2, the applying time is controlled at: 30～35sec;
(f), cooling and shaping: will be cooled to normal temperature through the semi-finished product that step e lining was fitted, and make its typing;
(g), water cutter cutting: will carry out the cutting of water cutter through the semi-finished product that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at: 40000～50000psi, the Cutting Gas pressure-controlled exists: 4.0～6.0kg/cm
2
Used glue is aqua type glue among described step a, the b.Aqua type glue is a kind of glue by air reaction, satisfies the requirement of smell fully, unharmful substance.
Be controlled at the cool time of described steps d: 45～55sec;
Decorative fabric described in the described step e is selected warp-knitted face fabric or needle punched non-woven fabrics for use.Select different decorative fabrics for use according to the requirement in client market, warp-knitted face fabric is generous, the class height.And the needle punched non-woven fabrics easy cleaning.
Be controlled at the cool time of described step f: 45～55sec.
The top weight that makes by method of the present invention can reduce greatly, has satisfied the requirement of car load light-weight design, and the good rigidly of product can make nearly 3 meters long products, can not fracture, sagging, and whole process of production does not have harmful substance to produce.
The specific embodiment
Below in conjunction with specific embodiment the present invention is further described.
Embodiment 1
Production Shanghai GM model is the top of SGM258, and the top specification is: 3060 * 1650mm.
The production technology of this top is as follows:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in polyurethane top matrix upper and lower surface, roller coating glue is aqua type glue, the plastic roll motor speed is controlled at 35 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at 6mm, and each single face spread on the upper and lower surface of polyurethane top matrix is controlled at 170g/m
2
(b), the plastic roll of glass felt and lay: get one with need strengthening the position (position that generally needs to strengthen is positioned at position, roof liner skylight, can arbitrarily strengthen according to the method at any position) (this glass felt is required to be emulsion to the identical glass felt of size, this kind glass can not trickled down glass when plastic roll, cause the glass felt to damage, reduction intensity) on the plastic roll machine, carry out plastic roll, roller coating glue is aqua type glue, and the upper and lower roller pitch of plastic roll machine is controlled at 0.5mm; Each single face lay one whole glass felt that magnifies in the upper and lower surface of the polyurethane top matrix of step a (is generally 150g/m then
2); Put the glass felt that rolls across glue at the position that needs are strengthened again; Cover nonwoven and PE glued membrane (PE 25g/m successively at step a and the upper and lower surface of the resulting semi-finished product of step b then
2), make polyurethane top semi-finished product; These combination of raw materials have certain supporting role together.
(c), compression moulding: the polyurethane top semi-finished product of step b are pressed in mould, the patrix temperature is controlled at 130 ℃ during compression moulding, the local position of strengthening need increase by 10 ℃, the counterdie temperature is controlled at 130 ℃ during compression moulding, the local position of strengthening need increase by 10 ℃, and briquetting pressure is controlled at 65kgf/cm
2, molding time is controlled at 50sec (second), makes the compression moulding semi-finished product;
(d), cooling and shaping: the compression moulding semi-finished product of step c are cooled to normal temperature, make its typing;
(e), lining is fitted: paste decorative fabric on the half-finished lower surface behind the steps d cooling and shaping, then these semi-finished product are placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at 110 ℃ during applying, and the counterdie temperature is controlled at 120 ℃ during applying, and laminate pressure is controlled at 45kgf/cm
2, the applying time is controlled at 30sec (second);
(f), cooling and shaping: will be cooled to normal temperature through the semi-finished product that step e lining was fitted, and make its typing;
(g), water cutter cutting: will carry out the cutting of water cutter through the semi-finished product that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at 40000psi, and the Cutting Gas pressure-controlled is at 4.0kg/cm
2
(h), annex is installed: the semi-finished product of step g cutting are installed annex be finished product, the control dwell time was 10～15sec (second) when annex was installed, and the folding time is≤20sec (second);
The device that forms with this top and accessory assembling has following performance parameter:
1. fire resistance satisfies GMW3232,＜100mm/min;
2. acoustical behavior satisfies GMW14189, and the evaluation by PATAC;
3. colour fastness to rubbing satisfies the requirement of ISO105-B06, test result≤3 grade;
4. smell satisfies the requirement of GMW3025, test result 〉=6 grade;
5. wearability satisfies the requirement of GMW1423, through 300 times circulation rear surface outward appearances 〉=6 grades.
Embodiment 2
The top of the 314A of production Toyota, top specification are 2800 * 1450mm
The production technology of this top is as follows:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in polyurethane top matrix upper and lower surface, roller coating glue is the glue of aqua type, the plastic roll motor speed is controlled at 40 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at 5.5mm, and each single face spread on the upper and lower surface of polyurethane top matrix is controlled at 150g/m
2
(b), the plastic roll and the lay of glass felt: get a glass felt identical with needing reinforcement position size and carry out plastic roll on the plastic roll machine, roller coating glue is aqua type glue, and the upper and lower roller pitch of plastic roll machine is controlled at 1mm; Each single face lay one whole glass felt that magnifies in the upper and lower surface of the polyurethane top matrix of step a (is generally 150g/m then
2); Put the glass felt that rolls across glue at the position that needs are strengthened again; There is the upper and lower surface of the polyurethane top matrix of glass fibre to cover nonwoven and PE glued membrane successively unrestrained at last, makes polyurethane top semi-finished product; These combination of raw materials have certain supporting role together.
(c), compression moulding: the polyurethane top semi-finished product of step b are pressed in mould, the patrix temperature is controlled at 140 ℃ during compression moulding, the local position of strengthening need increase by 5 ℃, the counterdie temperature is controlled at 140 ℃ during compression moulding, the local position of strengthening need increase by 5 ℃, and briquetting pressure is controlled at 75kgf/cm
2, molding time is controlled at 55sec, makes the compression moulding semi-finished product;
(d), cooling and shaping: the compression moulding semi-finished product of step c are cooled to normal temperature, make its typing, be controlled at 45sec cool time;
(e), lining is fitted: paste warp-knitted face fabric on the half-finished lower surface behind the steps d cooling and shaping, then these semi-finished product are placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at 115 ℃ during applying, and the counterdie temperature is controlled at 125 ℃ during applying, and laminate pressure is controlled at 55kgf/cm
2, the applying time is controlled at 35sec;
(f), cooling and shaping: will be cooled to normal temperature through the semi-finished product that step e lining was fitted, and make its typing, and be controlled at 55sec cool time.
(g), water cutter cutting: will carry out the cutting of water cutter through the semi-finished product that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at 50000psi, and the Cutting Gas pressure-controlled is at 6.0kg/cm
2
(h), annex is installed: the semi-finished product of step g cutting are installed annex be finished product, the control dwell time was 10～15sec when annex was installed, folding time≤20sec.
The device that forms with this top and accessory assembling has following performance parameter:
1. fire resistance satisfies GMW3232,＜100mm/min;
2. acoustical behavior satisfies GMW14189, and the evaluation by PATAC;
3. colour fastness to rubbing satisfies the requirement of ISO105-B06, test result≤3 grade;
4. smell satisfies the requirement of GMW3025, test result 〉=6 grade;
5. wearability satisfies the requirement of GMW1423, through 300 times circulation rear surface outward appearances 〉=6 grades.
Embodiment 3
Production Shanghai GM model is the top of D16, and the top specification is 1500 * 1350mm.
The production technology of this top is as follows:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in polyurethane top matrix upper and lower surface, roller coating glue is the glue of aqua type, the plastic roll motor speed is controlled at 38 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at 4mm, and each single face spread on the upper and lower surface of polyurethane top matrix is controlled at 160g/m
2
(b), the plastic roll of glass felt and lay: get a glass felt identical and on the plastic roll machine, carry out plastic roll with needing reinforcement position size, roller coating glue is aqua type glue, and the upper and lower roller pitch of plastic roll machine is controlled at 0.75mm and (is generally 150g/m at each single face lay one whole glass felt that magnifies of the upper and lower surface of the polyurethane top matrix of step a then
2); Put the glass felt that rolls across glue at the position that needs are strengthened again; There is the upper and lower surface of the polyurethane top matrix of glass fibre to cover nonwoven and PE glued membrane successively unrestrained at last, makes polyurethane top semi-finished product; These combination of raw materials have certain supporting role together.
(c), compression moulding: the polyurethane top semi-finished product of step b are pressed in mould, and the patrix temperature is controlled at during compression moulding: 135 ℃, the local position of strengthening need increase by 8 ℃.The counterdie temperature is controlled at 135 ℃ during compression moulding, and the local position of strengthening need increase by 8 ℃.Briquetting pressure is controlled at 70kgf/cm
2, molding time is controlled at 52sec, makes the compression moulding semi-finished product;
(d), cooling and shaping: the compression moulding semi-finished product of step c are cooled to normal temperature, make its typing, be controlled at 50sec cool time;
(e), lining is fitted: paste needle punched non-woven fabrics on the half-finished lower surface behind the steps d cooling and shaping, then these semi-finished product are placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at during applying: 120 ℃, the counterdie temperature is controlled at 130 ℃ during applying, and laminate pressure is controlled at 50kgf/cm
2, the applying time is controlled at 33sec;
(f), cooling and shaping: will be cooled to normal temperature through the semi-finished product that step e lining was fitted, and make its typing, and be controlled at 50sec cool time;
(g), water cutter cutting: will carry out the cutting of water cutter through the semi-finished product that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at 45000psi, and the Cutting Gas pressure-controlled is at 5.0kg/cm
2
(h), annex is installed: the semi-finished product of step g cutting are installed annex be finished product, the dwell time was controlled at 10～15sec, folding time≤20sec when annex was installed;
The device that forms with this top and accessory assembling has following performance parameter:
1. fire resistance satisfies GMW3232,＜100mm/min.
2. acoustical behavior satisfies GMW14189, and the evaluation by PATAC.
3. colour fastness to rubbing satisfies the requirement of ISO105-B06, test result≤3 grade.
4. smell satisfies the requirement of GMW3025, test result 〉=6 grade.
5. wearability satisfies the requirement of GMW1423, through 300 times circulation rear surface outward appearances 〉=6 grades.
Claims (4)
1. the local wet process technique of strengthening of a polyurethane foam top is characterized in that this technology comprises following steps:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in polyurethane top matrix upper and lower surface, the plastic roll motor speed is controlled at: 35～40 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at: 4～6mm, each single face spread on the upper and lower surface of polyurethane top matrix is controlled at: 150～170g/m
2
(b), the plastic roll and the lay of glass felt: get a glass felt identical with needing reinforcement position size and carry out plastic roll on the plastic roll machine, the upper and lower roller pitch of plastic roll machine is controlled at 0.5～1mm; Then at one whole glass felt of each single face lay of the upper and lower surface of the polyurethane top matrix of step a; Put the glass felt that rolls across glue at the position that needs are strengthened again; There is the upper and lower surface of the polyurethane top matrix of glass fibre to cover nonwoven and PE glued membrane successively unrestrained at last, makes polyurethane top semi-finished product;
(c), compression moulding: the polyurethane top semi-finished product of step b are pressed in mould, the patrix temperature is controlled at during compression moulding: 130～140 ℃, the local rib megadyne temperature degree of the corresponding polyurethane foam top of patrix increases by 5～10 ℃, the counterdie temperature is controlled at during compression moulding: 130～140 ℃, the local rib megadyne temperature degree of the corresponding polyurethane foam top of counterdie increases by 5～10 ℃, and compression moulding pressure is controlled at: 65～75kgf/cm
2, the compression moulding time is controlled at: 50～55sec makes the compression moulding semi-finished product;
(d), cooling and shaping: the compression moulding semi-finished product of step c are cooled to normal temperature, make its typing;
(e), lining is fitted: paste decorative fabric on the half-finished lower surface behind the steps d cooling and shaping, then these semi-finished product are placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at during applying: 110～120 ℃, the counterdie temperature is controlled at during applying: 120～130 ℃, laminate pressure is controlled at: 45～55kgf/cm
2, the applying time is controlled at: 30～35sec;
(f), cooling and shaping: will be through the semi-finished product cooling and shaping of step e lining applying;
(g), water cutter cutting: will carry out the cutting of water cutter through the semi-finished product that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at: 40000～50000psi, the Cutting Gas pressure-controlled exists: 4.0～6.0kg/cm
2
2. the local wet process technique of strengthening of polyurethane foam top according to claim 1, it is characterized in that: be controlled at the cool time of steps d: 45～55sec;
3. the local wet process technique of strengthening of polyurethane foam top according to claim 1, it is characterized in that: the decorative fabric described in the step e is selected warp-knitted face fabric or needle punched non-woven fabrics for use.
4. the local wet process technique of strengthening of root polyurethane foam top according to claim 1, it is characterized in that: be controlled at the cool time of step f: 45～55sec.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102540415A CN101987527A (en) | 2010-08-09 | 2010-08-09 | Wet process production process of polyurethane foaming ceiling local reinforcement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102540415A CN101987527A (en) | 2010-08-09 | 2010-08-09 | Wet process production process of polyurethane foaming ceiling local reinforcement |
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| CN101987527A true CN101987527A (en) | 2011-03-23 |
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| CN2010102540415A Pending CN101987527A (en) | 2010-08-09 | 2010-08-09 | Wet process production process of polyurethane foaming ceiling local reinforcement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673089A (en) * | 2012-05-26 | 2012-09-19 | 无锡吉兴汽车声学部件科技有限公司 | Manufacturing process for automobile roof |
| CN102795086A (en) * | 2012-08-23 | 2012-11-28 | 无锡吉兴汽车声学部件科技有限公司 | Technology for producing automobile ceiling with skylight by coating glass fibers |
| CN104191939A (en) * | 2014-08-22 | 2014-12-10 | 无锡吉兴汽车部件有限公司 | Automobile sunroof sun shield production method |
| CN103538329B (en) * | 2013-08-26 | 2015-08-19 | 张家港长泰汽车饰件材料有限公司 | Production method of polyurethane multilayer composite board for automobile ceiling |
| CN114619682A (en) * | 2022-01-27 | 2022-06-14 | 浙江华江科技股份有限公司 | Wet-process PU ceiling forming method for automobile |
| WO2023173707A1 (en) * | 2022-03-17 | 2023-09-21 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloid and fiber coagulation structure and processing method therefor |
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| CN101422968A (en) * | 2008-09-28 | 2009-05-06 | 烟台正海兴源汽车内饰件有限公司 | Production technique of passenger vehicle tyre shield |
| CN101648548A (en) * | 2009-09-07 | 2010-02-17 | 无锡吉兴汽车声学部件科技有限公司 | Wet production process of low-density soft polyurethane foam top lining |
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2010
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4489031A (en) * | 1982-02-22 | 1984-12-18 | Susumu Ogihara | Method for molding plastic material by mechanical press |
| CN101422968A (en) * | 2008-09-28 | 2009-05-06 | 烟台正海兴源汽车内饰件有限公司 | Production technique of passenger vehicle tyre shield |
| CN101648548A (en) * | 2009-09-07 | 2010-02-17 | 无锡吉兴汽车声学部件科技有限公司 | Wet production process of low-density soft polyurethane foam top lining |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673089A (en) * | 2012-05-26 | 2012-09-19 | 无锡吉兴汽车声学部件科技有限公司 | Manufacturing process for automobile roof |
| CN102673089B (en) * | 2012-05-26 | 2015-04-15 | 无锡吉兴汽车声学部件科技有限公司 | Manufacturing process for automobile roof |
| CN102795086A (en) * | 2012-08-23 | 2012-11-28 | 无锡吉兴汽车声学部件科技有限公司 | Technology for producing automobile ceiling with skylight by coating glass fibers |
| CN102795086B (en) * | 2012-08-23 | 2014-11-19 | 无锡吉兴汽车声学部件科技有限公司 | Technology for producing automobile ceiling with skylight by coating glass fibers |
| CN103538329B (en) * | 2013-08-26 | 2015-08-19 | 张家港长泰汽车饰件材料有限公司 | Production method of polyurethane multilayer composite board for automobile ceiling |
| CN104191939A (en) * | 2014-08-22 | 2014-12-10 | 无锡吉兴汽车部件有限公司 | Automobile sunroof sun shield production method |
| CN114619682A (en) * | 2022-01-27 | 2022-06-14 | 浙江华江科技股份有限公司 | Wet-process PU ceiling forming method for automobile |
| WO2023173707A1 (en) * | 2022-03-17 | 2023-09-21 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloid and fiber coagulation structure and processing method therefor |
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Application publication date: 20110323 |