CN105905015A - Production method for multilayered structure automotive acoustic carpet - Google Patents

Production method for multilayered structure automotive acoustic carpet Download PDF

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Publication number
CN105905015A
CN105905015A CN201610250101.3A CN201610250101A CN105905015A CN 105905015 A CN105905015 A CN 105905015A CN 201610250101 A CN201610250101 A CN 201610250101A CN 105905015 A CN105905015 A CN 105905015A
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CN
China
Prior art keywords
carpet
cushion
acoustics
multiple structure
controls
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Pending
Application number
CN201610250101.3A
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Chinese (zh)
Inventor
叶佳乐
陶天梦
唐传政
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Wuxi Jixing Auto Acoustic Parts Technology Co Ltd
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Wuxi Jixing Auto Acoustic Parts Technology Co Ltd
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Priority to CN201610250101.3A priority Critical patent/CN105905015A/en
Publication of CN105905015A publication Critical patent/CN105905015A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/04—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets
    • B60N3/042—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets of carpets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • B32B43/003—Cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • B60R13/083—Acoustic or thermal insulation of passenger compartments for fire walls or floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/04—Time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • B32B2471/02—Carpets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a production method for a multilayered structure automotive acoustic carpet and belongs to the technical field of automobile part production. The method includes the following steps that a carpet lower acoustic shock pad raw material is laid; a carpet lower acoustic shock pad is formed in a steam inflow hot-pressing manner; the carpet lower acoustic shock pad is cooled and shaped; a face blanket lower acoustic shock pad semi-finished product and a carpet lower acoustic shock pad semi-finished product are laid; a face blanket is baked to be warm; adhesion forming is conducted; and cutting is conducted through a water jet cutter. The multilayered structure automotive acoustic carpet produced through the method meets the requirements for the performance indexes such as shock absorption, sound insulation, environmental protection and low weight; the weight of the multilayered structure acoustic carpet is greatly reduced, and the requirement for low weight design of a whole automobile is met; soft and hard layer thermoplastic felt, the PET and PE composite carpet and the PET and PE composite face blanket are selected, so that the cost of the raw material is reduced, and selectivity is higher; in the material processing process, steam inflow hot-pressing forming, tool cooling and shaping and water jet cutter cutting are adopted, the technology is stable, the safety and accuracy of operation are guaranteed, and meanwhile the operation efficiency is improved; the redundant material of the product is small; the manufacturing cost is saved; and no harmful substances are generated in the whole production process of the product.

Description

A kind of production method of multiple structure car acpistocs carpet
Technical field
The present invention relates to the production method of a kind of multiple structure car acpistocs carpet, belong to automobile part production technique field.
Background technology
Multiple structure car acpistocs carpet is arranged on above automotive floor panel, plays heat insulation, damping, noise reduction, sound insulation and car load lightweight effect.Increasingly pursuing high-performance, environment-friendly type, energy-saving, lightweight, personalized epoch, the interior trim of automobile, as the profile of automobile, becomes people and chooses a key factor of automobile.Therefore the requirement to automotive upholstery is more and more higher.In the prior art, the performance indications such as the high sound insulation of multiple structure acoustics carpet, low grammes per square metre, thermal insulation are strong, damping, recyclable, environmental protection become bottleneck, govern the development of multiple structure car acpistocs carpet.Existing multiple structure acoustics carpet is primarily present problems with: sound-proofing is poor；Product material is not environmentally；Product weight is big, is unfavorable for that car load lightweight is with energy-conservation.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, it is provided that a kind of production efficiency is high, can be substantially reduced the labor intensity of workman in production process, whole production process does not has harmful substance to produce and the production method of multiple structure car acpistocs carpet sound-proofing much higher Rotating fields car acpistocs carpet that produced.
The technical scheme provided according to the present invention, the production method of a kind of multiple structure car acpistocs carpet, step is as follows:
Acoustics cushion raw material lay under a, carpet: according to from lower from upper order lay base material: the cotton felt of acoustics cushion soft formation, PE film and acoustics cushion hard formation cotton felt；
Under b, carpet, to lead to steam heat molded for acoustics cushion: the raw material that step a lay is good is put into mould, and to carry out logical steam heating compressing；When logical steam heat is molded, upper mould temperature controls at 170 ~ 180 DEG C, and lower mould temperature controls at 170 ~ 180 DEG C, and briquetting pressure controls at 11 ~ 13MPa, and lower mold is led to steaming time and controlled at 30 ~ 40s；Upper mold pumpdown time controls at 45 ~ 55s, and the mould dwell time controls at 65 ~ 75s, and vapor (steam) temperature controls at 170 ~ 180 DEG C, and logical steam is carried out with during air pump, obtains molding semi product；
Acoustics cushion cooling and shaping under c, carpet: step b gained molding semi product is placed in bosher and loads onto and carry out natural cooling sizing, obtain acoustics cushion semi-finished product under multiple structure car carpeting；The cooling and shaping time controls at 70 ~ 90s；
Acoustics cushion semi-finished product under step c gained multiple structure carpet are placed in the lower mold of face blanket laminating mould by acoustics cushion semi-finished product lay under d, face blanket and carpet: faced up by carpet surface blanket and be laid on baking oven network chain；
E, face blanket dry temperature: the base material that step d lays carries out drying temperature by the single baking oven hanging type baking oven of baking oven network chain feeding, and the lower Heating Zone Temperature of single baking oven hanging type baking oven controls at 400 ~ 450 DEG C, and the baking temperature time controls at 40 ~ 55s；
F, assembly: send in the blanket laminating mould of face after carpet surface blanket is dried in an oven temperature, carpet surface blanket is placed under multiple structure carpet above cushion semi-finished product, press under the upper mold of face blanket laminating mould and carry out compacting cooling assembly, obtain multiple structure car acpistocs carpet semi-finished product, during compacting cooling assembly, briquetting pressure controls at 7.5 ~ 8.5MPa, and molding time controls at 40 ~ 55s, and chilling temperature controls at 20 ~ 30 DEG C；
G, high pressure waterjet: multiple structure car acpistocs carpet semi-finished product are placed on high pressure waterjet tool and position, high pressure waterjet is carried out behind location, obtaining multiple structure car acpistocs carpet finished product, cutting hydraulic pressure control controls at 0.7 ~ 0.9MPa at 45000 ~ 55000psi, cutting air pressure.
In the cotton felt of described acoustics cushion soft formation, the content of PET is 5%, and the content of L-PET is 20%, and the content of regeneration cotton is 75%.Cotton felt grammes per square metre: the 1500g/m of described acoustics cushion soft formation2, thickness 35mm.
In the cotton felt of described acoustics cushion hard formation, the weight percentage of PET is 20%, and the weight percentage of L-PET is 25%, and the weight percentage of regeneration cotton is 55%.Cotton felt grammes per square metre: the 1200g/m of described acoustics cushion hard formation2, thickness 5mm.
The grammes per square metre of described PE film is 25g/m2。
Described carpet surface blanket is made up of PET with PE, and the content of PET is 60%, and the content of PE is 40%.The surface density of described carpet surface blanket is 500 ~ 800g/m2。
Beneficial effects of the present invention: the multiple structure car acpistocs carpet produced by the inventive method has reached the performance indications requirements such as damping, environmental protection and lightweight；Greatly reduce multiple structure car acpistocs carpet weight, meet the requirement of car load light-weight design；Soft or hard layer thermoplasticity felt and PET Yu PE composite carpet face blanket is selected to make the cost of raw material reduce, and more selective；In material processing, the logical steam heat of employing is molded, frock cooling and shaping, high pressure waterjet, and process stabilizing, it is ensured that the safety of operation and accuracy improves working performance simultaneously；Product clout is less；Save manufacturing cost；The whole production process of product does not has harmful substance to produce.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Following example use PE film purchased from upper Hydron converge International Trading Company Ltd；PE film grammes per square metre: 25g/m2；
The thermoplasticity felt that following example use is purchased from Zhenjiang Jun Ya automotive upholstery company limited；For making the cotton felt of acoustics cushion soft formation, the weight percentage of PET is 5%, and the weight percentage of L-PET is 20%, and the weight percentage of regeneration cotton is 75%, grammes per square metre: 1500g/m2, thickness 35mm；For making the cotton felt of acoustics cushion hard formation, the weight percentage of PET is 20%, and the weight percentage of L-PET is 25%, and the weight percentage of regeneration cotton is 55%, grammes per square metre: 1200g/m2, thickness 5mm.
The carpet surface blanket that following example use is purchased from Anhui Nanao Carpet Co., Ltd., and face carpet surface density is 600g/m2, in carpet surface blanket, the weight percentage of PET is 60%, and the weight percentage of PE is 40%.
Embodiment 1
Producing Shanghai GM E2SC multiple structure acoustics carpet, its specification is: long 2010 × wide 1600mm.
The production method of this multiple structure car acpistocs carpet comprises the following steps:
Acoustics cushion raw material lay under a, carpet: base material selects thermoplasticity cotton felt and PE film；To be used for making the cotton felt of acoustics cushion soft formation and be placed in lower floor；PE film is placed in intermediate layer, will be used for making the cotton felt of acoustics cushion hard formation and be placed in upper strata；
Under b, carpet, to lead to steam heat molded for acoustics cushion: the raw material that lay is good is put into mould, and to carry out logical steam heating compressing；When logical steam heat is molded, upper mould temperature controls at 180 DEG C, lower mould temperature controls at 180 DEG C, briquetting pressure controls at 11MPa, lower mold is led to steaming time and is controlled at 30s, and upper mold pumpdown time controls at 45s, and the mould dwell time controls at 75s, vapor (steam) temperature controls at 180 DEG C, and logical steam is carried out with during air pump；
Acoustics cushion cooling and shaping under c, carpet: molding semi product is placed in bosher and loads onto and carry out natural cooling sizing, obtain acoustics cushion semi-finished product under multiple structure car carpeting；The cooling and shaping time controls at 90s；
Acoustics cushion semi-finished product under multiple structure carpet are placed in the lower mold of face blanket laminating mould by acoustics cushion semi-finished product lay under d, face blanket and carpet: faced up by carpet surface blanket and be laid on baking oven network chain；
E, face blanket dry temperature: carpet surface blanket carries out drying temperature by the single baking oven hanging type baking oven of baking oven network chain feeding, and the lower Heating Zone Temperature of single baking oven hanging type baking oven controls at 450 DEG C, and the baking temperature time controls at 42s；
F, assembly: send in the blanket laminating mould of face after carpet surface blanket is dried in an oven temperature, carpet surface blanket is placed under multiple structure carpet above cushion semi-finished product, press under the upper mold of face blanket laminating mould and carry out compacting cooling assembly, obtain multiple structure car acpistocs carpet semi-finished product, during compacting cooling assembly, briquetting pressure controls at 7.5MPa, and molding time controls at 42s, and chilling temperature controls at 20 DEG C；
G, high pressure waterjet: multiple structure car acpistocs carpet semi-finished product are placed on high pressure waterjet tool and position, high pressure waterjet is carried out behind location, obtaining multiple structure car acpistocs carpet finished product, cutting hydraulic pressure control controls at 0.7 ~ 0.9MPa at 45000 ~ 55000psi, cutting air pressure.
This product can meet following performance:
Flammability: 67.4；Light resistance: become and fade 4 ~ 5 grades；Moisture-proof: variable color 4 grades, fades 3 grades, without embrittlement, crackle, float, peel off, the phenomenon generation such as fold；Add coefficient of thermal expansion: 11.99%；Compression ratio: 60.21；Return rate: 94.02；Compression displacement: 11.33.
Embodiment 2
Producing Shanghai GM E2XC multiple structure acoustics carpet, its specification is: long 1890 × wide 1480mm.
The production method of this multiple structure car acpistocs carpet comprises the following steps:
Acoustics cushion raw material lay under a, carpet: base material selects thermoplasticity cotton felt and PE film；To be used for making the cotton felt of acoustics cushion soft formation and be placed in lower floor；PE film is placed in intermediate layer, will be used for making the cotton felt of acoustics cushion hard formation and be placed in upper strata；
Under b, carpet, to lead to steam heat molded for acoustics cushion: the raw material that lay is good is put into mould, and to carry out logical steam heating compressing；When logical steam heat is molded, upper mould temperature controls at 179 DEG C, lower mould temperature controls at 179 DEG C, briquetting pressure controls at 11MPa, lower mold is led to steaming time and is controlled at 35s, and upper mold pumpdown time controls at 50s, and the mould dwell time controls at 70s, vapor (steam) temperature controls at 179 DEG C, and logical steam is carried out with during air pump；
Acoustics cushion cooling and shaping under c, carpet: molding semi product is placed in bosher and loads onto and carry out natural cooling sizing, obtain acoustics cushion semi-finished product under multiple structure car carpeting；The cooling and shaping time controls at 85s；
Acoustics cushion semi-finished product under multiple structure carpet are placed in the lower mold of face blanket laminating mould by acoustics cushion semi-finished product lay under d, face blanket and carpet: faced up by carpet surface blanket and be laid on baking oven network chain；
E, face blanket dry temperature: carpet surface blanket carries out drying temperature by the single baking oven hanging type baking oven of baking oven network chain feeding, and the lower Heating Zone Temperature of single baking oven hanging type baking oven controls at 430 DEG C, and the baking temperature time controls at 44s；
F, assembly: send in the blanket laminating mould of face after carpet surface blanket is dried in an oven temperature, carpet surface blanket is placed under multiple structure carpet above cushion semi-finished product, press under the upper mold of face blanket laminating mould and carry out compacting cooling assembly, obtain multiple structure car acpistocs carpet semi-finished product, during compacting cooling assembly, briquetting pressure controls at 8.5MPa, and molding time controls at 44s, and chilling temperature controls at 23 DEG C；
G, high pressure waterjet: multiple structure car acpistocs carpet semi-finished product are placed on high pressure waterjet tool and position, high pressure waterjet is carried out behind location, obtaining multiple structure car acpistocs carpet finished product, cutting hydraulic pressure control controls at 0.7 ~ 0.9MPa at 45000 ~ 55000psi, cutting air pressure.
This product can meet following performance:
Flammability: 68.6；Light resistance: become and fade 4 ~ 5 grades；Moisture-proof: variable color 4 grades, fades 3 grades, without embrittlement, crackle, float, peel off, the phenomenon generation such as fold；Add coefficient of thermal expansion: 11.69%；Compression ratio: 60.17；Return rate: 94.08；Compression displacement: 11.16.
Embodiment 3
Producing Shanghai GM E10 multiple structure acoustics carpet, its specification is: long 1790 × wide 1490mm.
The production method of this multiple structure car acpistocs carpet comprises the following steps:
Acoustics cushion raw material lay under a, carpet: base material selects thermoplasticity cotton felt and PE film；To be used for making the cotton felt of acoustics cushion soft formation and be placed in lower floor；PE film is placed in intermediate layer, will be used for making the cotton felt of acoustics cushion hard formation and be placed in upper strata；
Under b, carpet, to lead to steam heat molded for acoustics cushion: the raw material that lay is good is put into mould, and to carry out logical steam heating compressing；When logical steam heat is molded, upper mould temperature controls at 176 DEG C, lower mould temperature controls at 176 DEG C, briquetting pressure controls at 13MPa, lower mold is led to steaming time and is controlled at 40s, and upper mold pumpdown time controls at 55s, and the mould dwell time controls at 65s, vapor (steam) temperature controls at 176 DEG C, and logical steam is carried out with during air pump；
Acoustics cushion cooling and shaping under c, carpet: molding semi product is placed in bosher and loads onto and carry out natural cooling sizing, obtain acoustics cushion semi-finished product under multiple structure car carpeting；The cooling and shaping time controls at 90s；
Acoustics cushion semi-finished product under multiple structure carpet are placed in the lower mold of face blanket laminating mould by acoustics cushion semi-finished product lay under d, face blanket and carpet: faced up by carpet surface blanket and be laid on baking oven network chain；
E, face blanket dry temperature: carpet surface blanket carries out drying temperature by the single baking oven hanging type baking oven of baking oven network chain feeding, and the lower Heating Zone Temperature of single baking oven hanging type baking oven controls at 410 DEG C, and the baking temperature time controls at 45s；
F, assembly: send in the blanket laminating mould of face after carpet surface blanket is dried in an oven temperature, carpet surface blanket is placed under multiple structure carpet above cushion semi-finished product, press under the upper mold of face blanket laminating mould and carry out compacting cooling assembly, obtain multiple structure car acpistocs carpet semi-finished product, during compacting cooling assembly, briquetting pressure controls at 8MPa, and molding time controls at 45s, and chilling temperature controls at 25 DEG C；
G, high pressure waterjet: multiple structure car acpistocs carpet semi-finished product are placed on high pressure waterjet tool and position, high pressure waterjet is carried out behind location, obtaining multiple structure car acpistocs carpet finished product, cutting hydraulic pressure control controls at 0.7 ~ 0.9MPa at 45000 ~ 55000psi, cutting air pressure.
This product can meet following performance:
Flammability: 66.8；Light resistance: become and fade 4 ~ 5 grades；Moisture-proof: variable color 4 grades, fades 3 grades, without embrittlement, crackle, float, peel off, the phenomenon generation such as fold；Add coefficient of thermal expansion: 11.57%；Compression ratio: 60.32；Return rate: 94.37；Compression displacement: 11.48.

Claims (8)

1. a production method for multiple structure car acpistocs carpet, is characterized in that step is as follows:
Acoustics cushion raw material lay under a, carpet: according to from lower from upper order lay base material: the cotton felt of acoustics cushion soft formation, PE film and acoustics cushion hard formation cotton felt；
Under b, carpet, to lead to steam heat molded for acoustics cushion: the raw material that step a lay is good is put into mould, and to carry out logical steam heating compressing；When logical steam heat is molded, upper mould temperature controls at 170 ~ 180 DEG C, and lower mould temperature controls at 170 ~ 180 DEG C, and briquetting pressure controls at 11 ~ 13MPa, and lower mold is led to steaming time and controlled at 30 ~ 40s；Upper mold pumpdown time controls at 45 ~ 55s, and the mould dwell time controls at 65 ~ 75s, and vapor (steam) temperature controls at 170 ~ 180 DEG C, and logical steam is carried out with during air pump, obtains molding semi product；
Acoustics cushion cooling and shaping under c, carpet: step b gained molding semi product is placed in bosher and loads onto and carry out natural cooling sizing, obtain acoustics cushion semi-finished product under multiple structure car carpeting；The cooling and shaping time controls at 70 ~ 90s；
Acoustics cushion semi-finished product under step c gained multiple structure carpet are placed in the lower mold of face blanket laminating mould by acoustics cushion semi-finished product lay under d, face blanket and carpet: faced up by carpet surface blanket and be laid on baking oven network chain；
E, face blanket dry temperature: the base material that step d lays carries out drying temperature by the single baking oven hanging type baking oven of baking oven network chain feeding, and the lower Heating Zone Temperature of single baking oven hanging type baking oven controls at 400 ~ 450 DEG C, and the baking temperature time controls at 40 ~ 55s；
F, assembly: send in the blanket laminating mould of face after carpet surface blanket is dried in an oven temperature, carpet surface blanket is placed under multiple structure carpet above cushion semi-finished product, press under the upper mold of face blanket laminating mould and carry out compacting cooling assembly, obtain multiple structure car acpistocs carpet semi-finished product, during compacting cooling assembly, briquetting pressure controls at 7.5 ~ 8.5MPa, and molding time controls at 40 ~ 55s, and chilling temperature controls at 20 ~ 30 DEG C；
G, high pressure waterjet: multiple structure car acpistocs carpet semi-finished product are placed on high pressure waterjet tool and position, high pressure waterjet is carried out behind location, obtaining multiple structure car acpistocs carpet finished product, cutting hydraulic pressure control controls at 0.7 ~ 0.9MPa at 45000 ~ 55000psi, cutting air pressure.
2. the production method of multiple structure car acpistocs carpet as claimed in claim 1, is characterized in that by weight percentage: in the cotton felt of described acoustics cushion soft formation, the content of PET is 5%, and the content of L-PET is 20%, and the content of regeneration cotton is 75%.
3. the production method of multiple structure car acpistocs carpet as claimed in claim 2, is characterized in that: cotton felt grammes per square metre: the 1500g/m of described acoustics cushion soft formation2, thickness 35mm.
4. the production method of multiple structure car acpistocs carpet as claimed in claim 1, is characterized in that by weight percentage: in the cotton felt of described acoustics cushion hard formation, the content of PET is 20%, and the content of L-PET is 25%, and the content of regeneration cotton is 55%.
5. the production method of multiple structure car acpistocs carpet as claimed in claim 4, is characterized in that: cotton felt grammes per square metre: the 1200g/m of described acoustics cushion hard formation2, thickness 5mm.
6. the production method of multiple structure car acpistocs carpet as claimed in claim 1, is characterized in that: the grammes per square metre of described PE film is 25g/m2。
7. the production method of multiple structure car acpistocs carpet as claimed in claim 1, is characterized in that by weight percentage: described carpet surface blanket is made up of PET with PE, and the content of PET is 60%, and the content of PE is 40%.
8. the production method of multiple structure car acpistocs carpet as claimed in claim 7, is characterized in that: the surface density of described carpet surface blanket is 500 ~ 800g/m2。
CN201610250101.3A 2016-04-21 2016-04-21 Production method for multilayered structure automotive acoustic carpet Pending CN105905015A (en)

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