CN106671506A - Noise-reducing protective structure and preparation method thereof - Google Patents
Noise-reducing protective structure and preparation method thereof Download PDFInfo
- Publication number
- CN106671506A CN106671506A CN201611185443.8A CN201611185443A CN106671506A CN 106671506 A CN106671506 A CN 106671506A CN 201611185443 A CN201611185443 A CN 201611185443A CN 106671506 A CN106671506 A CN 106671506A
- Authority
- CN
- China
- Prior art keywords
- inner plating
- noise reduction
- lamina rara
- rara externa
- coating
- 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
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Classifications
-
- 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
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- 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 form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a 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
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of 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
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal 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
- B32B2307/102—Insulating
Abstract
The invention discloses a protective noise-reducing structure and a preparation method thereof. The protective noise-reducing structure comprises an inner layer plate (1), an outer layer plate (2), and a noise-reducing coating (3) and a reinforcing rib (4) arranged between the inner layer plate (1) and the outer layer plate (2), wherein an air back absorption layer is arranged between the noise-reducing coating and a protective structure. The preparation method comprises the following process steps: programming and preparing materials according to a design drawing, folding, welding, performing surface treatment, and assembling. The protective noise-reducing structure prepared by the invention simultaneously has the performance of protection and noise reduction. Compared with the existing sound-absorbing cotton, foamed aluminum and other sound-absorbing/sound-insulating material production processes, the invention is more beneficial to mass production and line production.
Description
Technical field：
The present invention relates to a kind of method for designing of denoising structure, and in particular to a kind of utilization noise-reducing coating does the protection of sandwich layer
Denoising structure and preparation method thereof.
Background technology：
At present, laminate is more and more applies in building and field of machining, and machining Factory Building is typically provided good
Good sound absorption material and structure prevents the secondary pollution of sound.Active noise reduction techniques mainly by the noise reduction at sound source,
Propagation path noise reduction and sound receive noise reduction.Domestic high-speed machine tool advocates green production, but at present in machining
Various noises are not provided with or seldom arrange corresponding noise-reducing device by noise reduction protective cover, and then operator are produced larger
Harm.Prevent to reduce noise hazard new sound absorption noise reduction being proposed on the basis of production technology and processing cost is considered
Protection structure layer, can be very good to reduce the sound pollution by sound source.
Core material mostly is foamed materialss, bamboo carbon fiber material etc., it is contemplated that the production technology of noise reduction protective cover these
Core material is not suitable for complex component sandwich layer.Use condition (the high-speed cutting liquid punching of Noise Reduction of Machine Tool protective cover is told in consideration
Hit and corrode) be not suitable in interior protection walls brushing or paste sound absorption material, paste in the outer protection walls of outer noise reduction protective cover and
Brushing sound absorption material its sound insulation property can decline and affect attractive in appearance.Therefore we using noise reduction layer as sandwich layer brushing in interlayer
Centre, this structure processing simple economy has good anti-acoustic capability again, it is possible to which meeting the needs of safety in production can expire again
The needs of sufficient green production.
The damping sandwich layer for generally adopting or the sandwich layer of porous material produce done sound insulation as sound absorption material due to leading to
Element structure is simple, and outstanding building trade is most widely used.But in machining, noise reduction protective cover structure and production technology
It is relative complex, it is unfavorable in its built-in laminboard layer, and the noise reduction pad pasting for adopting at present, be not suitable for batch jobs.
The content of the invention：
It is an object of the invention to provide a kind of protection denoising structure and preparation method thereof, to break through traditional sound absorption protection
The limitation of structure, using noise reduction coating as sandwich layer on the premise of structural strength is met, overcomes current noise reduction protective cover sound insulation property
Poor, the sound absorption material of energy is thick and heavy, and especially internal layer acoustic damping materials are afraid of cutting night corrosion, and cladding material affects attractive in appearance and thick and heavy
Drawback, the present invention realizes anticorrosion and can meet noise reduction and prevents while realizing and increasing the barrier propterty of noise reduction protective cover
The moulding of shield needs, and increased the service life of noise reduction layer.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that to realize：
One kind protection denoising structure, including inner plating, lamina rara externa, and the noise reduction being arranged between inner plating and lamina rara externa
Coating and rib.
The present invention is further improved by, and inner plating and lamina rara externa are welded using carbon constructional quality steel or cold-rolled steel sheet
It is connected into type.
The present invention is further improved by, the thickness 1~2mm little compared with the thickness of lamina rara externa of inner plating, noise reduction coating
Thickness is 2~4mm.
The present invention is further improved by, and noise reduction coating is using the good sound absorption coating of damping capacity or fiber-like drop
Make an uproar coating.
The present invention is further improved by, and rib is welded on the interlayer side of inner plating.
The present invention is further improved by, and noise-reducing coating is sprayed on the interlayer side of inner plating.
The present invention is further improved by, and inner plating is fastened at rib with lamina rara externa by Liu Ding or screw.
The present invention is further improved by, and the thickness of rib is applied more than the 1~1.5mm of thickness of noise reduction coating in noise reduction
The air back of the body is formed between layer and inner plating, lamina rara externa and inhales layer.
A kind of preparation method of protection denoising structure, comprises the following steps：
1) blanking is programmed according to design drawing, lamina rara externa and inner plating according to design requirement consider noise reduction coating layer thickness with
Blanking on the basis of rib thickness；
2) bending, with inner plating according to the size on drawing, material thickness determines the inside and outside laminate of noise reduction protective cover to lamina rara externa
Cutter and cutter groove during bending, next to that installing following sequencing carries out bending：It is outer after in first, it is first little rear big, it is first special
It is common afterwards；
3) weld, by the internal layer plate weld rib after molding, specifically the inner side salient point of inner plating, and weld rib；
4) it is surface-treated, inner plating, lamina rara externa electroplating processes is carried out first, bonderizing, bonderizing is carried out after plating
Afterwards spray treatment is carried out to inner plating, the non-interlayer side of lamina rara externa, noise reduction protective coating spraying is finally carried out on the inside of inner plating
PROCESS FOR TREATMENT；
5) assemble, inner plating is assembled with lamina rara externa by rivet, obtain noise reduction protective structure.
The present invention has following beneficial effect：
The Double-protection structure that the present invention is provided, can effectively keep out high speed impact, simultaneously because the rib set up makes knot
The intensity of structure is lifted to greatest extent, and sound-deadening paint is inhaled in the spraying in the middle of laminate inside and outside noise reduction protective cover, is applied by noise reduction
The effect of layer can reduce the through noise outside noise reduction protective cover, because therefore rib thickness exist slightly larger than the thickness of noise reduction coating
1~1.5mm " back of the body is inhaled " layer, the anti-acoustic capability of meeting significant increase noise reduction protective cover are formed between noise reduction coating and inner plating.
A kind of preparation method of the protection denoising structure for providing of the invention, the method acoustic damping materials are suction sound-deadening paint and sky
Gas " back of the body is inhaled " layer compound noise-reducing sound insulation property is excellent, and protective cover molding is simple, easily realization, and machine adds cost price low, holds aborning
Easily machinery line production, is easier to realize industrialization compared with traditional denoising structure.
In sum.The present invention has excellent barrier propterty and anti-acoustic capability, compared to current acoustical cotton and foam
The sound absorption such as aluminum deadener simple production process is more beneficial for batch production and line production.
Description of the drawings：
Fig. 1 is noise reduction protective plate structure schematic diagram.
Wherein：1 is inner plating, and 2 is lamina rara externa, and 3 is noise reduction coating, and 4 is rib.
It is embodied as：
The present invention is made further instructions below in conjunction with accompanying drawing.
As shown in figure 1, a kind of protection denoising structure that the present invention is provided, including inner plating 1, lamina rara externa 2, and be arranged on
Noise reduction coating 3 between inner plating 1 and lamina rara externa 2 and rib 4.
Wherein, inner plating 1 and lamina rara externa 2 adopt carbon constructional quality steel or cold-rolled steel sheet panel beating or welding fabrication, and
The thickness of inner plating 1 1~2mm little compared with the thickness of lamina rara externa 2, the thickness of noise reduction coating 3 is 2~4mm, and the thickness of rib 4 is more than
1~the 1.5mm of thickness of noise reduction coating.
A kind of preparation method of protection denoising structure that the present invention is provided, comprises the following steps：
(1) blanking is programmed according to design drawing.Lamina rara externa 2 is considering that noise reduction coating 3 is thick with inner plating 1 according to design requirement
Blanking on the basis of degree and the thickness of rib 4.After workpiece blanking, corner, burr, contact will carry out necessary finishing (burnishing part
Reason), in cutter junction, to be repaired with flat file knife, the workpiece larger for burr is repaired with polisher, and little endoporus connects
Repaired with corresponding little file at point.
(2) bender bending.With inner plating 1 according to the size on drawing, material thickness determines noise reduction protective cover to lamina rara externa 2
Cutter and cutter groove during inside and outside laminate bending, it is to avoid product collides with cutter, the selection of lower mould according to the thickness of sheet material come
It is determined that.Next is to determine the sequencing of bending, bending universal law be first in after it is outer, it is first little after it is big, it is first special after it is common.
(3) weld, the inner plating 1 after molding is welded into rib 4.Inner plating interlayer side salient point, welds rib, it is ensured that
With inner plating uniform contact, it is ensured that the consistent and welding position of heated at various points determines.
(4) it is surface-treated.The inside and outside laminate electroplating processes of noise reduction protective cover are carried out first, and bonderizing, phosphorus are carried out after plating
Change carries out spray treatment after processing to the non-interlayer side of the inside and outside laminate of noise reduction protective cover.Finally carry out in inner plating interlayer side
The process of noise reduction protective coating spraying coating process.(necessary safeguard procedures are adopted to positions such as rib, pilot holes during spraying).
(5) assemble and pack.Inner plating 1 is assembled with lamina rara externa 2 by rivet.
Protective mechanism
The protection of Double-protection structure impact loading is reaching identical protection intensity better than the monolayer steel plate of identical surface density
On the premise of, double-decker is fewer than single layer structure materials, light weight.Double-layered noise reduction protective cover can make the energy of shock fragment layer by layer
Weaken, reduce the impact energy that cutting fragment or emery wheel are damaged, improve the protection intensity of noise reduction protective cover.
De-noising mechanism
Main sound insulation raw material in sound-deadening paint is nano-multilayered structures material, and coating molecular material is clipped in the middle.It is whole
Individual intermediate coat has been evenly distributed the micropartical with soundproof effect, by the acoustic wave energy for reducing transmission, so as to play sound-absorbing
The effect of sound insulation.The back of the body existed between noise reduction coating and lamina rara externa 2 inhales layer, it will the sound insulation property of safeguard structure is greatly improved.
The selection of noise reduction protective cover material, according to the degree of protection of noise reduction protective cover carbon constructional quality steel or cold rolling is selected
Used as overcoat, its center core layer is the excellent sound absorption coating of anti-acoustic capability to steel plate.This safeguard structure is for high speed impact
The fragment that flies out of chip, abrasive dust and tool damage have good protective action, it is in 10-6000Hz noisy frequency ranges
With good anti-acoustic capability, most domestic lathe manufacturer can be met to protection and noise reduction demand.According to different lathes
Produce reality need, the thickness for decreasing or increasing protective plate that can be appropriate, the core material that can also pass through to change structure is realized,
Specifically must be determined with experiment and produce reality test by protection Impact Simulation.
Technological requirement：
After selecting protective plates, needed to process ectonexine noise reduction protective according to production by blanking, welding, Plate working equipment etc.
Cover, is adding man-hour, and because protective coating can not be extruded, it is to ensure that inside and outside laminate, with size of suitably coincideing, must consider to damage
Paint thickness and radius bend.
Weld rib in inner plating interlayer side, it is desirable to which firm welding, except welding slag, without deformation, internal lamina rara externa enters inner plating
Capable other PROCESS FOR TREATMENT.
Select noise-reducing coating, inner plating even application sound absorption coating.Spray gun is apart from noise reduction protective cover 20-30cm, spray gun
Speed is preferably 30-60cm/s, spraying order, first up and then down, from inside outwards, first seamed edge big face again, without holiday, bulge phenomenon.
After noise reduction coating spraying is finished, ectonexine is anchored according to around noise reduction protective cover size after fastening using Liu Ding, such as
If desired strengthening its strength and stability can suitably increase the quantity of muscle inside noise reduction protective cover outer layer, and its convenient width is 8
~10mm.Ectonexine is fastened at rib by Liu Ding or screw.Ectonexine is guaranteed after anchoring without deformation, coating is damaged without extruding
It is bad, 1~1.5mm back ofs the body are formed between noise reduction coating and lamina rara externa and inhales layer.
Claims (9)
1. it is a kind of to protect denoising structure, it is characterised in that including inner plating (1), lamina rara externa (2), and to be arranged on inner plating (1)
And the noise reduction coating (3) between lamina rara externa (2) and rib (4).
2. one kind according to claim 1 protects denoising structure, it is characterised in that inner plating (1) and lamina rara externa (2) are adopted
With carbon constructional quality steel or cold-rolled steel sheet welding fabrication.
3. one kind according to claim 1 protects denoising structure, it is characterised in that the thickness of inner plating (1) is compared with lamina rara externa
(2) the little 1~2mm of thickness, the thickness of noise reduction coating (3) is 2~4mm.
4. one kind according to claim 1 protects denoising structure, it is characterised in that noise reduction coating (3) adopts damping capacity
Sound absorption coating well or fiber-like noise-reducing coating.
5. one kind according to claim 1 protects denoising structure, it is characterised in that rib (4) is welded on inner plating (1)
Interlayer side.
6. one kind according to claim 1 protects denoising structure, it is characterised in that noise-reducing coating (3) is sprayed on inner plating
(1) interlayer side.
7. one kind according to claim 5 protects denoising structure, it is characterised in that inner plating (1) is with lamina rara externa (2) in rib
Muscle (4) place is fastened by Liu Ding or screw.
8. one kind according to claim 5 protects denoising structure, it is characterised in that the thickness of rib (4) is applied more than noise reduction
1~the 1.5mm of thickness of layer (3), the air back of the body is formed between noise reduction coating (3) and inner plating (1), lamina rara externa (2) and inhales layer.
9. the preparation method of a kind of protection denoising structure any one of claim 1 to 8, it is characterised in that include with
Lower step：
1) blanking is programmed according to design drawing, lamina rara externa (2) is considering noise reduction coating (3) with inner plating (1) according to design requirement
Blanking on the basis of thickness and rib (4) thickness；
2) bending, with inner plating (1) according to the size on drawing, material thickness determines the inside and outside layer of noise reduction protective cover to lamina rara externa (2)
Cutter and cutter groove during plate bending, next to that installing following sequencing carries out bending：It is outer after in first, it is first little rear big, it is first special
It is common after different；
3) weld, by the inner plating (1) welding rib (4) after molding, specifically the inner side salient point of inner plating (1), and weld
Rib (4)；
4) it is surface-treated, inner plating (1), lamina rara externa (2) electroplating processes is carried out first, bonderizing is carried out after plating, at phosphatization
Spray treatment is carried out to inner plating (1), the non-interlayer side of lamina rara externa (2) after reason, finally noise reduction is carried out in inner plating (1) inner side and is prevented
Shield coating spraying coating process is processed；
5) assemble, inner plating (1) is assembled with lamina rara externa (2) by rivet, obtain noise reduction protective structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185443.8A CN106671506A (en) | 2016-12-20 | 2016-12-20 | Noise-reducing protective structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185443.8A CN106671506A (en) | 2016-12-20 | 2016-12-20 | Noise-reducing protective structure and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106671506A true CN106671506A (en) | 2017-05-17 |
Family
ID=58870874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611185443.8A Pending CN106671506A (en) | 2016-12-20 | 2016-12-20 | Noise-reducing protective structure and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106671506A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189739A (en) * | 2019-05-27 | 2019-08-30 | 西安交通大学 | A kind of acoustics superstructure design method by modified paint |
| CN111739500A (en) * | 2020-06-01 | 2020-10-02 | 南京航空航天大学 | Underwater broadband sound absorption structure of perforated sandwich plate modified by damping layer |
| CN112726860A (en) * | 2019-10-28 | 2021-04-30 | 南京中拓科技有限公司 | Light sound absorption and insulation board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189739A (en) * | 2019-05-27 | 2019-08-30 | 西安交通大学 | A kind of acoustics superstructure design method by modified paint |
| CN112726860A (en) * | 2019-10-28 | 2021-04-30 | 南京中拓科技有限公司 | Light sound absorption and insulation board |
| CN111739500A (en) * | 2020-06-01 | 2020-10-02 | 南京航空航天大学 | Underwater broadband sound absorption structure of perforated sandwich plate modified by damping layer |
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Application publication date: 20170517 |