CN107399283A - A kind of sound-absorbing cotton - Google Patents
A kind of sound-absorbing cotton Download PDFInfo
- Publication number
- CN107399283A CN107399283A CN201710648576.2A CN201710648576A CN107399283A CN 107399283 A CN107399283 A CN 107399283A CN 201710648576 A CN201710648576 A CN 201710648576A CN 107399283 A CN107399283 A CN 107399283A
- Authority
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- China
- Prior art keywords
- sound
- absorbing
- layer
- main body
- acoustical cotton
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000002023 wood Substances 0.000 claims description 28
- 239000004626 polylactic acid Substances 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000013308 plastic optical fiber Substances 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 210000000481 breast Anatomy 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 241000219146 Gossypium Species 0.000 description 45
- 239000000835 fiber Substances 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 241000195493 Cryptophyta Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
-
- 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
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood 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
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/10—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
- B32B27/06—Layered products comprising a layer of synthetic resin 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
- 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
- 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
- B32B3/10—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 discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—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 discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of sound-absorbing cotton,The acoustical cotton main body includes square groove,Circular through hole,Trapezoidal groove,Two-sided edge sealing,Sound-absorbing middle level,Sound-absorbing outer layer,Sound-absorbing internal layer,Sound-absorbing through hole and sound-absorbing reticulated cell,The bottom side to the right of the acoustical cotton main body offers square groove,The center upper portion position of the acoustical cotton main body offers trapezoidal groove,Circular through hole is provided with the middle part of the acoustical cotton main body,The acoustical cotton body interior structure central design is sound-absorbing internal layer,The both ends of the sound-absorbing internal layer are enclosed with sound-absorbing middle level,The both ends in the sound-absorbing middle level are enclosed with sound-absorbing outer layer,Rational raw material selection in sound-absorbing cotton of the present invention,Rational raw material ratio,Obtained sound-absorbing cotton light weight,Sound-absorbing effect and performance are good,Can be ornamental strong,Blunt knife dislocation is easy to process,Improve the operating efficiency of processing,Use green material,Reduce pollution,Improve environmental-protection function,It is easy to the recycling of acoustical cotton.
Description
Technical field
The present invention relates to sound-absorbing material technical field, and in particular to a kind of sound-absorbing cotton.
Background technology
As the progress of society and people's level of consumption improve constantly, client is for automobile acoustical absorption sound insulation, lightweight, comfortable
Degree etc. also requires more and more higher.Traditional PET (polyethylene terephthalate)/PP (polypropylene) two-component acoustical cotton
It is widely applied in auto sound, noise reduction field, is greatly improved vehicle NVH performances.However, PET polyester fibers are
Chemical synthetic fiber fusing point height (more than 250 DEG C), degraded are difficult so that traditional PET/PP two-components sound-absorbing cotton products sealing edge die
Temperature is high.Meanwhile the recovery of PET/PP two-component acoustical cottons leftover bits is difficult.
Existing automobile using noise elimination felt cotton, there is noise reduction, fire prevention, shockproof, heat-insulated etc., but erasure effect does not still reach
Expected effect, shockproof and effect of heat insulation is nor very well, hardness is inadequate, therefore directly affects the service life of product, now
Some car ambient radiations are larger, it is easy to which human body is damaged.
The content of the invention
To solve the above problems, the present invention proposes a kind of sound-absorbing cotton.
To realize the object of the invention, the technical scheme of use is：A kind of sound-absorbing cotton, the acoustical cotton main body include side
Connected in star, circular through hole, trapezoidal groove, two-sided edge sealing, sound-absorbing middle level, sound-absorbing outer layer, sound-absorbing internal layer, sound-absorbing through hole and sound-absorbing
Reticulated cell, the bottom side to the right of the acoustical cotton main body offer square groove, the center upper portion position of the acoustical cotton main body
Trapezoidal groove is offered, circular through hole, the acoustical cotton body interior structure center are provided with the middle part of the acoustical cotton main body
Sound-absorbing internal layer is designed as, the both ends of the sound-absorbing internal layer are enclosed with sound-absorbing middle level, and the both ends in the sound-absorbing middle level are enclosed with sound-absorbing
Outer layer.
Preferably, the arranged stacked of the acoustical cotton main body is designed as sound-absorbing outer layer, sound-absorbing middle level, middle sound-absorbing internal layer sound-absorbing
Middle level and the stacking successively from top to bottom of sound-absorbing outer layer.
Preferably, the sound-absorbing outer layer is designed as polypropylene plastics layer of cloth, and the thickness of polypropylene plastics layer of cloth is designed as 0.5
~1.0mm；The sound-absorbing middle level is designed as wood shavings wood chip layer, and the thickness of wood shavings wood chip layer is designed as 2~3mm, wood shavings wood chip layer
Specially a kind of soft list structure with holes.
Preferably, the sound-absorbing internal layer is designed as poly-lactic acid ester plastic optical fibre layer, the thickness of poly-lactic acid ester plastic optical fibre layer
2~5mm is designed as, the lamination of poly-lactic acid ester plastic optical fibre is made as platy structure.
Preferably, the sound-absorbing internal layer is internally provided with sound-absorbing through hole, and the diameter design of sound-absorbing through hole is 2~3mm, monolithic
Sound-absorbing internal layer in be provided with 5~10 sound-absorbing through holes.
Preferably, sound-absorbing reticulated cell, the diameter of sound-absorbing reticulated cell are provided between sound-absorbing through hole inside the sound-absorbing internal layer
2~10um is designed as, sound-absorbing reticulated cell is interconnected.
Preferably, the width design of the two-sided edge sealing is 2~3mm, and thickness is designed as 1~3mm.
Preferably, the back side of the acoustical cotton main body is compounded with 2~3 double faced adhesive tapes.
Preferably, the preparation method of the acoustical cotton main body is as follows：
The first step：Poly-lactic acid ester plastics are put into spraying fusing machine and heated and spinneret, prepare a diameter of 2~5um's
Poly-lactic acid ester plastic optical fibre, poly-lactic acid ester plastic optical fibre is built as the irregular template knot of the cellular containing sound-absorbing reticulated cell
Structure, the compressing sound-absorbing internal layer for platy structure of the irregular plate profile structure of cellular beats sound-absorbing internal layer using puncher
Go out sound-absorbing through hole；
Second step：The wood shavings wood chip of lightweight is put into mould, the soft suction with micropore list structure is made in micro- force
Sound middle level, the sound-absorbing middle level of strip is bonded on two end faces of sound-absorbing internal layer using adhesive；
3rd step：It is bonded with the polypropylene plastics cloth of sound-absorbing outer layer respectively in the upper surface in sound-absorbing middle level and lower surface, makes
Enter line misregistration edge sealing with thick the 1mm folded on envelope cutting die steel plate or copper coin blunt knife；
4th step：After cutting knife height is set, the acoustical cotton main body after edge sealing is subjected to 180 ° of dislocation using cutting knife
Cutting knife PROCESS FOR TREATMENT, obtain complete acoustical cotton.
Beneficial effects of the present invention are：Rational raw material selection, rational raw material are matched somebody with somebody in sound-absorbing cotton of the present invention
Than obtained sound-absorbing cotton light weight, sound-absorbing effect and performance are good, can be ornamental strong, easy to process, are misplaced using blunt knife
Two-sided edge sealing, add its aesthetic appearance of acoustical cotton by, improve the operating efficiency of processing, using green material, reduce pollution,
Environmental-protection function is improved, is easy to the recycling of acoustical cotton, market needs has been catered to, has optimized technological design and production.
Brief description of the drawings
Fig. 1 is sound-absorbing cotton structure schematic diagram of the present invention.
Fig. 2 is sound-absorbing cotton endothecium structure schematic diagram of the present invention.
In figure：1st, acoustical cotton main body；2nd, square groove；3rd, circular through hole；4th, trapezoidal groove；5th, two-sided edge sealing；6th, inhale
Sound middle level；7th, sound-absorbing outer layer；8th, sound-absorbing internal layer；9th, sound-absorbing through hole；10 sound-absorbing reticulated cells.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
Refer to shown in Fig. 1-2, the present invention provides a kind of technical scheme：A kind of sound-absorbing cotton, the acoustical cotton main body 1
Including square groove 2, circular through hole 3, trapezoidal groove 4, two-sided edge sealing 5, sound-absorbing middle level 6, sound-absorbing outer layer 7, sound-absorbing internal layer 8,
Sound-absorbing through hole 9 and sound-absorbing reticulated cell 10, the bottom side to the right of the acoustical cotton main body 1 offer square groove 2, the acoustical cotton
The center upper portion position of main body 1 offers trapezoidal groove 4, and the middle part of acoustical cotton main body 1 is provided with circular through hole 3, described
The internal structure central design of acoustical cotton main body 1 is sound-absorbing internal layer 8, and the both ends of the sound-absorbing internal layer 8 are enclosed with sound-absorbing middle level 6, institute
The both ends for stating sound-absorbing middle level 6 are enclosed with sound-absorbing outer layer 7.
Further, the arranged stacked of the acoustical cotton main body 1 is designed as sound-absorbing outer layer 7, sound-absorbing middle level 6, in middle sound-absorbing
8 sound-absorbing middle level 6 of layer and the stacking successively from top to bottom of sound-absorbing outer layer 7.
Further, the sound-absorbing outer layer 7 is designed as polypropylene plastics layer of cloth, and the thickness of polypropylene plastics layer of cloth is designed as
0.5~1.0mm；The sound-absorbing middle level 6 is designed as wood shavings wood chip layer, and the thickness of wood shavings wood chip layer is designed as 2~3mm, wood shavings wood
It is specially a kind of soft list structure with holes to consider layer to be worth doing.
Further, the sound-absorbing internal layer 8 is designed as poly-lactic acid ester plastic optical fibre layer, the thickness of poly-lactic acid ester plastic optical fibre layer
Degree is designed as 2~5mm, and the lamination of poly-lactic acid ester plastic optical fibre is made as platy structure.
Further, the sound-absorbing internal layer 8 is internally provided with sound-absorbing through hole 9, the diameter design of sound-absorbing through hole 9 for 2~
3mm, 5~10 sound-absorbing through holes 9 are provided with the sound-absorbing internal layer 8 of monolithic.
Further, sound-absorbing reticulated cell 10, sound-absorbing reticulated cell are provided between the inside sound-absorbing through hole 9 of sound-absorbing internal layer 8
10 diameter design is 2~10um, and sound-absorbing reticulated cell 10 is interconnected.
Further, the width design of the two-sided edge sealing 5 is 2~3mm, and thickness is designed as 1~3mm.
Further, the back side of the acoustical cotton main body 1 is compounded with 2~3 double faced adhesive tapes.
Further, the preparation method of the acoustical cotton main body 1 is as follows：
The first step：Poly-lactic acid ester plastics are put into spraying fusing machine and heated and spinneret, prepare a diameter of 2~5um's
Poly-lactic acid ester plastic optical fibre, poly-lactic acid ester plastic optical fibre is built as the irregular template knot of the cellular containing sound-absorbing reticulated cell 10
Structure, by the compressing sound-absorbing internal layer 8 for platy structure of the irregular plate profile structure of cellular, sound-absorbing internal layer 8 is used into puncher
Get sound-absorbing through hole 9；
Second step：The wood shavings wood chip of lightweight is put into mould, the soft suction with micropore list structure is made in micro- force
Sound middle level 6, the sound-absorbing middle level 6 of strip is bonded on two end faces of sound-absorbing internal layer 8 using adhesive；
3rd step：It is bonded with the polypropylene plastics cloth of sound-absorbing outer layer 7 respectively in the upper surface in sound-absorbing middle level 6 and lower surface,
Enter line misregistration edge sealing using thick the 1mm folded on envelope cutting die steel plate or copper coin blunt knife；
4th step：After cutting knife height is set, the acoustical cotton main body 1 after edge sealing is subjected to 180 ° of dislocation using cutting knife
Cutting knife PROCESS FOR TREATMENT, obtain complete acoustical cotton.
Embodiment 2
A kind of sound-absorbing cotton, the present embodiment and the difference of embodiment 1 are that sound-absorbing middle level 6 uses algae fiber
Uniformly lay compressing be made.
Algae obtains the algae fiber of white, algae fiber and wood shavings wood chip by draining and drying
With same excellent sound absorption function.
Embodiment 3
A kind of sound-absorbing cotton, the present embodiment and the difference of embodiment 1 are that sound-absorbing internal layer 8 is moulded using silicon rubber foam
Material material is made.
Silicon rubber plastics high-temperature digestion is to be cooled down rapidly after liquid is passed through inert gas, and bubble structure is contained in inside, obtains
Silicon rubber foam plastics, silicon rubber foam plastics have same excellent sound absorption function with polylactate fibers.
Embodiment 4
A kind of sound-absorbing cotton, the present embodiment and the difference of embodiment 1 are that sound-absorbing internal layer 8 uses polylactate fibers
It is mixed to prepare with polycarbonate.
Polylactate fibers and polycarbonate have same excellent sound-absorbing with polycarbonate or string
Function.
Embodiment 5
A kind of sound-absorbing cotton, the present embodiment and the difference of embodiment 1 are that sound-absorbing middle level 6 uses mine asbestos fibre
Uniformly lay compressing be made.
Stone ore is melted and then sprayed by high temperature spraying fusing machine, obtains the mine asbestos fibre of white, mine is cotton fiber
Performance with fire-proof high-temperature resistant, mine asbestos fibre layer have same excellent sound absorption function with wood shavings wood chip layer.
Embodiment 6
A kind of sound-absorbing cotton, the present embodiment and the difference of embodiment 1 are that sound-absorbing middle level 6 uses a diameter of 2~5um
Soft silica gel fiber uniformly lay it is compressing be made.
Soft silica gel is melted and then sprayed by high temperature spraying fusing machine, the soft silica gel for obtaining a diameter of 2~5um of white is fine
Dimension, a diameter of 2~5um soft silica gel fibrous layer and wood shavings wood chip layer have same excellent sound absorption function.
In the present invention, rational raw material selection, rational raw material ratio are obtained in sound-absorbing cotton of the present invention
Sound-absorbing cotton light weight, sound-absorbing effect and performance are good, can be ornamental strong, easy to process, using the dislocated double-sided edge sealing of blunt knife,
Its aesthetic appearance of acoustical cotton is added by improving the operating efficiency of processing, using green material, reduce pollution, improve ring
Guarantor acts on, and is easy to the recycling of acoustical cotton, has catered to market needs, optimized technological design and production.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
- A kind of 1. sound-absorbing cotton, it is characterised in that：The acoustical cotton main body (1) includes square groove (2), circular through hole (3), trapezoidal groove (4), two-sided edge sealing (5), sound-absorbing middle level (6), sound-absorbing outer layer (7), sound-absorbing internal layer (8), sound-absorbing through hole (9) and Sound-absorbing reticulated cell (10), the bottom side to the right of the acoustical cotton main body (1) offer square groove (2), the acoustical cotton main body (1) center upper portion position offers trapezoidal groove (4), and circular through hole (3) is provided with the middle part of the acoustical cotton main body (1), Acoustical cotton main body (1) the internal structure central design is sound-absorbing internal layer (8), and the both ends of the sound-absorbing internal layer (8) are enclosed with suction Sound middle level (6), the both ends of the sound-absorbing middle level (6) are enclosed with sound-absorbing outer layer (7).
- A kind of 2. sound-absorbing cotton according to claim 1, it is characterised in that：The stacking cloth of the acoustical cotton main body (1) Install be calculated as sound-absorbing outer layer (7), sound-absorbing middle level (6), middle sound-absorbing internal layer (8) sound-absorbing middle level (6) and sound-absorbing outer layer (7) successively from The stacking of top to bottm.
- A kind of 3. sound-absorbing cotton according to claim 1, it is characterised in that：The sound-absorbing outer layer (7) is designed as poly- third Alkene plastics layer of cloth, the thickness of polypropylene plastics layer of cloth are designed as 0.5~1.0mm；The sound-absorbing middle level (6) is designed as wood shavings wood chip Layer, the thickness of wood shavings wood chip layer are designed as 2~3mm, and wood shavings wood chip layer is specially a kind of soft list structure with holes.
- A kind of 4. sound-absorbing cotton according to claim 1, it is characterised in that：The sound-absorbing internal layer (8) is designed as poly- breast Acid esters plastic optical fibre layer, the thickness of poly-lactic acid ester plastic optical fibre layer are designed as 2~5mm, and the lamination of poly-lactic acid ester plastic optical fibre is made as Platy structure.
- A kind of 5. sound-absorbing cotton according to claim 1, it is characterised in that：The sound-absorbing internal layer (8) is internally provided with Sound-absorbing through hole (9), the diameter design of sound-absorbing through hole (9) is 2~3mm, and 5~10 suctions are provided with the sound-absorbing internal layer (8) of monolithic Sound through hole (9).
- A kind of 6. sound-absorbing cotton according to claim 1, it is characterised in that：The internal sound-absorbing of the sound-absorbing internal layer (8) leads to It is provided with sound-absorbing reticulated cell (10) between hole (9), the diameter design of sound-absorbing reticulated cell (10) is 2~10um, sound-absorbing reticulated cell (10) it is interconnected.
- A kind of 7. sound-absorbing cotton according to claim 1, it is characterised in that：The width design of the two-sided edge sealing (5) For 2~3mm, thickness is designed as 1~3mm.
- A kind of 8. sound-absorbing cotton according to claim 1, it is characterised in that：Answer at the back side of the acoustical cotton main body (1) Conjunction has 2~3 double faced adhesive tapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648576.2A CN107399283A (en) | 2017-08-01 | 2017-08-01 | A kind of sound-absorbing cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648576.2A CN107399283A (en) | 2017-08-01 | 2017-08-01 | A kind of sound-absorbing cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107399283A true CN107399283A (en) | 2017-11-28 |
Family
ID=60402378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710648576.2A Pending CN107399283A (en) | 2017-08-01 | 2017-08-01 | A kind of sound-absorbing cotton |
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| CN (1) | CN107399283A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790739A (en) * | 2018-08-21 | 2018-11-13 | 苏州硕展车辆配件有限公司 | A kind of automobile door plate acoustical cotton |
| CN110978654A (en) * | 2019-12-31 | 2020-04-10 | 湖北天运消音防振新材料有限公司 | Sound-absorbing flame-retardant cotton |
| CN111038025A (en) * | 2019-12-31 | 2020-04-21 | 湖北天运消音防振新材料有限公司 | Interior decoration sound-absorbing cotton |
| CN114182434A (en) * | 2021-11-26 | 2022-03-15 | 广州中樱汽车零部件有限公司 | High-performance acoustic cotton for vehicles and manufacturing process thereof |
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| CN108790739A (en) * | 2018-08-21 | 2018-11-13 | 苏州硕展车辆配件有限公司 | A kind of automobile door plate acoustical cotton |
| CN110978654A (en) * | 2019-12-31 | 2020-04-10 | 湖北天运消音防振新材料有限公司 | Sound-absorbing flame-retardant cotton |
| CN111038025A (en) * | 2019-12-31 | 2020-04-21 | 湖北天运消音防振新材料有限公司 | Interior decoration sound-absorbing cotton |
| CN114182434A (en) * | 2021-11-26 | 2022-03-15 | 广州中樱汽车零部件有限公司 | High-performance acoustic cotton for vehicles and manufacturing process thereof |
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