CN106335256A - Vehicle front cover silencing pad having heat dissipating function - Google Patents

Vehicle front cover silencing pad having heat dissipating function Download PDF

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Publication number
CN106335256A
CN106335256A CN201610724528.2A CN201610724528A CN106335256A CN 106335256 A CN106335256 A CN 106335256A CN 201610724528 A CN201610724528 A CN 201610724528A CN 106335256 A CN106335256 A CN 106335256A
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Prior art keywords
layer
aluminum alloy
sound insulation
heat sink
damping sound
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Granted
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CN201610724528.2A
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Chinese (zh)
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CN106335256B (en
Inventor
潘建新
张陆贤
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Guangde God's Will New Technology Ltd Co
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Guangde God's Will New Technology Ltd Co
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    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal 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
    • B32B27/12—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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • 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
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a vehicle front cover silencing pad having a heat dissipating function. The vehicle front cover silencing pad comprises a damping sound insulation felt, an aluminum alloy heat dissipating sheet, an EVA foaming layer, a non-woven fabric layer, a CPVC layer and a silicon rubber layer, wherein through holes are uniformly arranged on the CPVC layer and are communicated to the non-woven fabric layer. According to the present invention, the vehicle front cover silencing pad has excellent effects of silencing, flame-retardant property, moisture prevention, heat insulation and vibration reducing and has characteristics of light weight, thickness avoiding, and smooth and beautiful appearance; the used materials do not have the pungent odor in the closed space so as to provide the advantages of environmental protection and no pollution; and in the preparation method, the process that the EVA foaming layer is sprayed on the aluminum alloy heat dissipating sheet is used, such that the adhesion is firm, the material utilization rate is improved, and the waste of the raw materials is reduced.

Description

A kind of front cover for vehicle silencing pad with heat sinking function
Technical field
The present invention relates to automotive interior gadget technical field is and in particular to a kind of front cover for vehicle noise reduction with heat sinking function Pad.
Background technology
Automobile engine is the heart of automobile, provides power for automobile traveling, electromotor is exactly an energy transfer mechanism, Will gasoline or diesel oil or the heat energy of natural gas, by blanket gass in-cylinder combustion gas expansion again, promote piston acting, turn It is changed into the most basic operation principle of mechanical energy, therefore electromotor is typically provided in the front portion of automobile, and is arranged under front cover.
Therefore electromotor operationally easily produces noise, also can generate heat simultaneously, also can produce steam, it is right to be therefore accomplished by Electromotor carries out sound insulation radiating and protection against the tide, existing front cover only there is soundproof effect, but soundproof effect is not fine, with When hardness also inadequate, life-time service is easily deformed, and radiating effect is bad, does not also have the function of protection against the tide.
Content of the invention
Present invention aims to the drawback of prior art, provide a kind of front cover for vehicle noise reduction with heat sinking function Pad.
A kind of front cover for vehicle silencing pad with heat sinking function is it is characterised in that include damping sound insulation felt, aluminium alloy radiating Piece, eva foaming layer, nonwoven layer, cpvc layer and silastic-layer；
Described damping sound insulation felt is located at the inner side contacting with car body, and described aluminum alloy heat sink is located at described damping sound insulation felt Upper surface, described eva foaming layer is located at described aluminum alloy heat sink upper end, and described nonwoven layer is located at described eva foaming layer Upper surface, described cpvc layer is located at the upper surface of described nonwoven layer；It is evenly arranged with through hole, described through hole on described cpvc layer Communicate with nonwoven layer；Described silastic-layer is located at the outer surface of the present invention.
The preparation method of the present invention is:
A. it is molded damping sound insulation felt, the geomery of damping sound insulation felt is matched with front cover for vehicle contact surface, by aluminium alloy Binding agent is coated in the face that fin is contacted with damping sound insulation felt, the lower mould being loaded with aluminum alloy heat sink is conveyed and is used for composite damping In the moulding press of deadening felt, the mold of this moulding press has adsorption function, is adsorbed onto at upper mould by damping sound insulation mat sheet in advance, The lower mould of aluminum alloy heat sink to be loaded with conveys the rear mold press matched moulds that puts in place, and molding completes damping sound insulation felt and aluminum alloy heat sink Compound, obtain silencing pad semi-finished product one；
B.pu foaming layer sprays: the semi-finished product obtaining in step a one is transported to spraying area, to aluminum alloy heat sink appearance Pu foaming layer is sprayed on face；Quantity for spray controls in the 30g-60g/ second, and spraying uniform thickness is 1～3mm；
C. pass through Ludox bonding nonwoven layer and cpvc layer and silastic-layer, obtain the semi-finished product two of silencing pad；
D. it is coated with semi-finished product one and the semi-finished product two of eva foaming layer by Ludox bonding, then be transported in moulding press Six structure sheafs are complex as a whole, form product piece of the present invention.
Further, described damping sound insulation felt thickness is 0.8～1.2mm, and described aluminum alloy heat sink thickness is 3～4mm, Described eva depth of foam is 1～3mm, and described nonwoven layer thickness is 4～5mm, and described cpvc thickness degree is 1～3mm, institute Stating silastic-layer thickness is 1～2mm.
The invention has the benefit that the present invention adopts damping sound insulation felt, aluminum alloy heat sink, eva foaming layer, non-woven fabrics Layer, cpvc layer and silastic-layer are made, and make the present invention have excellent noise reduction, fire-retardant, moistureproof, heat-insulated, damping effect, and matter Amount is light, it is thick and heavy to avoid, and profile is smooth attractive in appearance, and the material being adopted uses no pungent abnormal flavour in the space of closing, environment friendly and pollution-free； In preparation method, the technique that sprayed on aluminum alloy heat sink using eva foaming layer, it is firmly bonded, improve stock utilization, Reduce wastage of material.
Brief description
Fig. 1 is the generalized section of the present invention；
Wherein, 1- damping sound insulation felt；2- aluminum alloy heat sink；3-eva foaming layer；4- nonwoven layer；5-cpvc layer；6- silicon Rubber layer；7- through hole.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in further details.
A kind of front cover for vehicle silencing pad with heat sinking function, including damping sound insulation felt 1；Aluminum alloy heat sink 2, eva foaming Layer 3, nonwoven layer 4, cpvc layer 5 and silastic-layer 6；Described damping sound insulation felt 1 is located at the inner side contacting with car body, and thickness is 0.8～1.2mm, using damping sound insulation felt 1, thickness of thin, is effectively improved the utilization rate in space under same homalographic, creates more Big benefit；Soundproof effect has and very well ensures；Can also be moistureproof, fire-retardant, asepsis environment-protecting, stablize durable, the present invention can be improved Service life；
Described aluminum alloy heat sink 2 is located at described damping sound insulation felt 1 upper surface, and thickness is 3～4mm, and aluminium alloy application is wide General, low cost, other alloy heat-sink pieces are better than as fin effect using aluminium alloy, our experiments show that, thickness of aluminum alloy is 3 During～4mm, radiating effect is optimal；Moreover, add aluminum alloy heat sink, can shape for the present invention, improve the hard of the present invention Degree；
Described eva foaming layer 3 is located at 2 upper ends on described aluminum alloy heat sink, and thickness is 1～3mm；Plus eva foaming layer, Present invention elasticity can be increased, improve noise reduction, effect of heat insulation, also can effective antistatic；
Described nonwoven layer 4 is located at the upper surface of described eva foaming layer 3, and thickness is 4～5mm, and nonwoven layer has Gas, sound insulation, not combustion-supporting feature, can improve the serviceability of the present invention；
Described cpvc layer 5 is located at the upper surface of described nonwoven layer 4, and thickness is 1～3mm, and cpvc is commonly called as Vinylidene Chloride, by Pvc through thermoplastic resin a kind of obtained by chlorination, by solution chlorination legal system, not only pvc material settling out, corrosion-resistant, fire-retardant, exhausted The advantages of edge, the shortcoming simultaneously making up pvc, heat-resisting flame resistance resistance to water is more excellent；It is evenly arranged with through hole 7 on described cpvc layer 5, Through hole 7 is communicated with nonwoven layer 4, has the function of radiating air-permeable dampproof；
Described silastic-layer 6 is located at the outer surface of the present invention, and thickness is 1～2mm, uses it as the outer surface of the present invention, Not only make flat appearance of the present invention smooth, also have the characteristics that protection against the tide, keep away dirt, shockproof, heat-resisting, corrosion-resistant, shrink little.
The preparation method of the present invention is:
A. it is molded damping sound insulation felt, the geomery of damping sound insulation felt is matched with front cover for vehicle contact surface, by aluminium alloy Binding agent is coated in the face that fin is contacted with damping sound insulation felt, the lower mould being loaded with aluminum alloy heat sink is conveyed and is used for composite damping In the moulding press of deadening felt, the mold of this moulding press has adsorption function, is adsorbed onto at upper mould by damping sound insulation mat sheet in advance, The lower mould of aluminum alloy heat sink to be loaded with conveys the rear mold press matched moulds that puts in place, and molding completes damping sound insulation felt and aluminum alloy heat sink Compound, obtain silencing pad semi-finished product one；
B.pu foaming layer sprays: the semi-finished product obtaining in step a one is transported to spraying area, to aluminum alloy heat sink appearance Pu foaming layer is sprayed on face；Quantity for spray controls in the 30g-60g/ second, and spraying uniform thickness is 1～3mm；
C. pass through Ludox bonding nonwoven layer and cpvc layer and silastic-layer, obtain the semi-finished product two of silencing pad；Silicon is molten Glue can be used as fire bond, and its cohesive force is strong, high temperature resistant moreover it is possible to dirt-resisting dustproof, ageing-resistant, fire prevention；
D. it is coated with semi-finished product one and the semi-finished product two of eva foaming layer by Ludox bonding, then be transported in moulding press Six structure sheafs are complex as a whole, form product piece of the present invention.
Above one embodiment of the present of invention is described in detail, but described content has been only the preferable enforcement of the present invention Example is it is impossible to be considered the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement Deng all should still belong within the patent covering scope of the present invention.

Claims (2)

1. a kind of front cover for vehicle silencing pad with heat sinking function it is characterised in that include damping sound insulation felt, aluminum alloy heat sink, Eva foaming layer, nonwoven layer, cpvc layer and silastic-layer；
Described damping sound insulation felt is located at the inner side contacting with car body, and described aluminum alloy heat sink is located at described damping sound insulation felt upper table Face, described eva foaming layer is located at described aluminum alloy heat sink upper end, and described nonwoven layer is located at the upper table of described eva foaming layer Face, described cpvc layer is located at the upper surface of described nonwoven layer；Be evenly arranged with through hole on described cpvc layer, described through hole with no Spin layer of cloth to communicate；Described silastic-layer is located at the outer surface of the present invention.
The preparation method of the present invention is:
A. it is molded damping sound insulation felt, the geomery of damping sound insulation felt is matched with front cover for vehicle contact surface, aluminium alloy is radiated Binding agent is coated in the face that piece is contacted with damping sound insulation felt, the lower mould being loaded with aluminum alloy heat sink is conveyed and is used for composite damping sound insulation In the moulding press of felt, the mold of this moulding press has adsorption function, in advance damping sound insulation mat sheet is adsorbed onto at upper mould, waits to carry The lower mould conveying having aluminum alloy heat sink puts in place rear mold press matched moulds, and molding completes answering of damping sound insulation felt and aluminum alloy heat sink Close, obtain silencing pad semi-finished product one；
B.pu foaming layer sprays: the semi-finished product obtaining in step a one is transported to spraying area, on aluminum alloy heat sink outer surface Spraying pu foaming layer；Quantity for spray controls in the 30g-60g/ second, and spraying uniform thickness is 1～3mm；
C. pass through Ludox bonding nonwoven layer and cpvc layer and silastic-layer, obtain the semi-finished product two of silencing pad；
D. it is coated with semi-finished product one and the semi-finished product two of eva foaming layer by Ludox bonding, then be transported to six in moulding press Individual structure sheaf is complex as a whole, and forms product piece of the present invention.
2. a kind of front cover for vehicle silencing pad with heat sinking function according to claim 1 it is characterised in that described damping every Sound felt thickness is 0.8～1.2mm, and described aluminum alloy heat sink thickness is 3～4mm, and described eva depth of foam is 1～3mm, Described nonwoven layer thickness is 4～5mm, and described cpvc thickness degree is 1～3mm, and described silastic-layer thickness is 1～2mm.
CN201610724528.2A 2016-08-25 2016-08-25 A kind of front cover for vehicle silencing pad with heat sinking function Active CN106335256B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985484A (en) * 2017-03-21 2017-07-28 河南机电职业学院 A kind of fiber reinforcement type Rotating fields automotive light weight technology composite
CN107399283A (en) * 2017-08-01 2017-11-28 湖北天运消音防振新材料有限公司 A kind of sound-absorbing cotton
CN107539237A (en) * 2017-08-28 2018-01-05 广德天运新技术股份有限公司 A kind of front cover for vehicle silencing pad for possessing radiator structure
CN109056185A (en) * 2018-08-02 2018-12-21 中材金晶玻纤有限公司 It is a kind of can the glass mat of hot continuous production soundproof plate, light sound-proof composite plate and preparation method thereof

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CN202192815U (en) * 2011-08-18 2012-04-18 宁波索格尔达新材料有限公司 Composite reflecting cushion for vehicle
CN103707592A (en) * 2013-12-29 2014-04-09 长城汽车股份有限公司 Car engine compartment insulation mat and preparation method
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