CN110303737B - Liquid damping noise reduction material and preparation method thereof - Google Patents
Liquid damping noise reduction material and preparation method thereof Download PDFInfo
- Publication number
- CN110303737B CN110303737B CN201910576874.4A CN201910576874A CN110303737B CN 110303737 B CN110303737 B CN 110303737B CN 201910576874 A CN201910576874 A CN 201910576874A CN 110303737 B CN110303737 B CN 110303737B
- Authority
- CN
- China
- Prior art keywords
- layer
- solid layer
- liquid damping
- lining framework
- damping
- 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.)
- Active
Links
Images
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
- 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
- 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
- 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
-
- 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
- B32B37/12—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
- 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
Abstract
The invention discloses a liquid damping noise-reducing material and a preparation method thereof, belonging to the field of damping materials, wherein a certain damping effect is achieved by the forced deformation and rupture of an outer pseudo solid layer before and after use, when the outer pseudo solid layer ruptures, the liquid damping material is activated, changes from hard to soft and changes from solid to flowing, thereby being capable of being normally used, an inner embedded wire penetrates through all small fragments, simultaneously the small fragments are bound on the surface of an inner lining framework layer to form a protective layer under the action of a viscose layer, the small fragments of the outer pseudo solid layer become smaller and smaller as the use time is prolonged, finally the outer pseudo solid layer is in a powder shape, the protective effect on the surface of the inner lining framework layer is also stronger, meanwhile, compared with the solid outer pseudo solid layer in the powder shape, the sound absorption capability is stronger, the noise is larger and larger compared with the damping material in the prior art, the sound absorption and noise reduction capability of the liquid damping material is obviously enhanced.
Description
Technical Field
The invention relates to the field of damping materials, in particular to a liquid damping noise reduction material and a preparation method thereof.
Background
The liquid damping material generally comprises damping oil, also called resistance oil, shock absorption oil, high-viscosity lubricating oil, damping lubricating grease, high-resistance lubricating oil, damping lubricating oil and shockproof oil, and is novel high-quality wide-temperature lubricating oil for damping, buffering and sealing, which is prepared from a high-purity inorganic thickening agent and special synthetic oil, and is used in a damper. The rotary knob and the rotary shaft are widely applied to knobs, rotary shafts and various positioning mechanisms of household appliances, electronics, toys and optical instrument products, are nontoxic and meet the requirements of environmental regulations. Sealing and preventing water invasion. The device is used for jointing components, allows larger clearance and tolerance, has a buffer function and ensures smooth and accurate movement of the components.
The liquid damping material generally needs to be used in a sealed manner because of having fluidity, so that the use requirement is high, the use range of the liquid damping material is limited, the use effect is easily caused by introducing impurities in the use process of the single liquid damping material, the damping effect is poor, and the impurities are more and more along with the prolonging of the use time, so that the noise of the damping material is more and more increased in the use process.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a liquid damping noise reduction material and a preparation method thereof, which achieve a certain damping effect through the forced deformation and rupture of an outer pseudo solid layer before and after use, when the outer pseudo solid layer ruptures, the liquid damping material is activated, changes from hard to soft and changes from solid to flowing, so that the liquid damping noise reduction material can be normally used, an embedded wire can penetrate through all small fragments, and the small fragments are bound on the surface of an inner lining framework layer to form a protective layer under the action of an adhesive layer, the small fragments of the outer pseudo solid layer become smaller and smaller as the use time is prolonged, finally the liquid damping noise reduction material is in a powder shape, the protective effect on the surface of the inner lining framework layer is stronger and stronger, meanwhile, compared with the solid outer pseudo solid layer in a powder shape, the sound absorption capacity is stronger, and the noise of the damping material in the prior art is larger and larger, the sound absorption and noise reduction capability of the liquid damping material is obviously enhanced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A liquid damping noise reduction material comprises an outer fake solid layer, wherein an embedded silk screen is embedded in the outer fake solid layer and comprises a plurality of embedded silks which are distributed in a disordered manner, the plurality of embedded silks are intersected with each other, two ends of part of the embedded silks are respectively contacted with the inner surface and the outer surface of the outer fake solid layer, one end of the part of the embedded silks is contacted with the inner surface or the outer surface of the outer fake solid layer, two ends of the last part of the embedded silks are both positioned in the outer fake solid layer and are not contacted with the inner surface and the outer surface of the outer fake solid layer, an inner lining framework layer is adhered to the inner wall of the outer fake solid layer, damping oil is filled in the outer fake solid layer, a rubber block is embedded in one end of the outer fake solid layer in a sealing mode, a plurality of uniformly distributed mark points are marked on the surface of the rubber block, and the outer fake solid layer deforms and breaks under stress before and after use to achieve a certain damping effect, after outer pseudo-solid layer breaks, this liquid damping material is activated, by hard becoming soft, become to flow by the solid, thereby can normal use, and the embedded silk can run through between each little piece, the effect on cooperation viscose layer simultaneously, little piece is tied and forms the protective layer at inside lining skeleton layer surface, lengthen along with the live time, the little piece on outer pseudo-solid layer is littleer and more, finally present nearly likepowder, also stronger and more to the guard action on inside lining skeleton layer surface, likepowder outer pseudo-solid layer is compared in the entity form simultaneously, its sound-absorbing capacity is stronger, damping material noise is bigger and bigger in comparing in prior art, this liquid damping material's the ability of making an uproar obviously strengthens of inhaling the sound.
Furthermore, the distance between every two mark points and the distance between the mark point positioned on the outer side and the edge of the rubber block are not less than 1cm, so that the pricking holes injected or sucked for multiple times are not too close when the damping oil is injected or sucked into or out of the inner part through the mark points in the later period, the strength of the rubber block is further influenced, and the damping oil is leaked.
Furthermore, the color surfaces of the plurality of mark points are coated with color development layers, the colors of the color development layers on the plurality of mark points are different, and fluorescent materials are doped in the color development layers, when the rubber block is used, the rubber block can be inserted into the mark points through the needle head to inject and suck damping oil, and the colors on each mark point correspond to the insertion sequence, so that the mark points cannot be inserted into the same mark point in the second or third follow-up operation, and the damping oil is effectively prevented from seeping due to intensive vacuum.
Furthermore, the lining framework layer comprises an outer surface layer, a middle interlayer and an inner surface layer, the outer surface layer, the middle interlayer and the inner surface layer are sequentially bonded together, the outer surface layer is one end facing the inner wall of the outer pseudo solid layer, the outer surface layer and the inner surface layer can effectively protect the middle interlayer, the middle interlayer positioned in the middle is not prone to cracking, meanwhile, the outer surface layer and the inner surface layer can also improve the overall strength of the lining framework layer, and the lining framework layer has enough bearing capacity after the outer pseudo solid layer is cracked when the liquid damping material is used.
Further, the upper surface coating of extexine has the viscose layer, the viscose layer can adopt super glutinous ultra-thin nanometer to glue, make inside lining skeleton layer can with play outer fake solid layer firm bonding together and then when using, this liquid damping material atress back, the broken small piece that produces its surface of outer fake solid layer of ice crack can be by firm the glutinous on inside lining skeleton layer surface, be difficult for dropping, make inside lining skeleton layer can not directly expose, form certain protection, and live time's extension, the small piece on outer fake solid layer is littleer and more, finally present nearly likepowder particle diameter and glue on inside lining skeleton layer surface, also stronger and stronger to the guard action on inside lining skeleton layer surface, make this liquid damping material's damping effect more and more good, increase of service life.
Furthermore, the outer surface layer and the inner surface layer are both made of nylon cloth materials coated with LINE-X coating layers, the LINE-X coating layers have strong tensile and wear-resisting capabilities, so that the tensile property, the elasticity and the wear resistance of the nylon cloth are effectively improved, the strength of the lining framework layers is further improved, small fragments are difficult to scratch the lining framework layers when the fake solid layers are cracked for use, the middle interlayer is made of an oleophobic elastic film material, damping oil is difficult to penetrate through the lining framework layers and permeate out of the lining framework layers, the damping oil in the liquid damping material is further guaranteed to be difficult to lose in the using process, and the service life is prolonged.
Furthermore, the outer pseudo solid layer is made of a brittle material, the brittle material generates small deformation under the action of external force (such as stretching, impact and the like), namely the brittle material is damaged and broken, so that the liquid damping material can achieve a certain damping effect through the forced deformation and breakage of the outer pseudo solid layer before and after use, after the outer pseudo solid layer is broken, the liquid damping material is activated to change from hard to soft and from solid to flowing, and therefore the liquid damping material can be normally used.
Furthermore, the minimum thickness of the outer pseudo solid layer is 3-5mm, the outer pseudo solid layer is too thick, small fragments of the outer pseudo solid layer are easily too thick to improve the strength, the acting force of the small fragments on the lining framework layer is stronger, the service life of the lining framework layer is easily reduced, the outer pseudo solid layer is too thin and is easily broken, the damping capacity of the outer pseudo solid layer is weakened when the outer pseudo solid layer is actually used, the using effect is affected, the thickness of the outer pseudo solid layer is in direct proportion to the inner volume of the lining framework layer, the larger the volume is, the larger the volume of the liquid damping material is, the corresponding thickness of the outer pseudo solid layer needs to be increased, and the liquid damping material is not easily broken due to the fact that the outer pseudo solid layer is too thin when the liquid damping material is not used.
Furthermore, the outer false solid layer is in a shape without obvious edges and corners on the surface, the shape can be one of polygons such as an ellipse, a circle and a fillet, and the shape without the obvious edges and corners effectively avoids the situation that the local lining framework layer is easily worn and broken due to concentrated stress generated by the edges and corners when the outer false solid layer is used, so that the service life is prolonged, and the use effect is improved.
A liquid damping noise reduction material is prepared by the following steps: the method comprises the following steps:
s1, firstly, adhering and sealing the outer surface layer, the middle interlayer and the inner surface layer together to obtain a lining framework layer, then shaping the lining framework layer into the shape of a target liquid material, and reserving a shaping hole;
s2, introducing nitrogen into the lining framework layer through the shaping holes to enable the lining framework layer to be in a saturated state, and enabling the whole lining framework layer to be in a hardened state;
s3, melting the brittle material, putting the embedded wire into the melt of the brittle material, and stirring to uniformly distribute the embedded wire;
s4, uniformly coating the melt solution added with the embedded wires on the surface of the hardened lining framework layer, cooling to form an outer pseudo solid layer, and polishing the surface of the outer pseudo solid layer;
and S5, stopping introducing nitrogen gas at the moment, introducing damping oil into the shaping hole, and gluing and plugging the shaping hole by using a rubber plugging block to obtain the liquid damping material.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is broken and reach certain damping effect through outer pseudo-solid layer atress deformation before and after the use, after outer pseudo-solid layer breaks, this liquid damping material is activated, by hard becoming soft, become to flow by the solid, thereby normal use, and the embedded silk can run through between each little piece, the effect on cooperation viscose layer simultaneously, little piece is tied at inside lining skeleton layer surface formation protective layer, become long along with the live time, the little piece on outer pseudo-solid layer is more and more littleer, finally, it is nearly likepowder to present, also more and more strong to the guard action on inside lining skeleton layer surface, likepowder outer pseudo-solid layer compares in the entity form simultaneously, its sound-absorbing capacity is stronger, damping material noise is more and more big in comparing in prior art, this liquid damping material's the ability of making an uproar that falls obviously strengthens.
(2) The distance between every two mark points and the distance between the mark point positioned on the outer side and the edge of the rubber block are not less than 1cm, so that the pricking hole for injecting or sucking the damping oil for many times can not be too close when the damping oil is injected or sucked into or out of the inner part through the mark points in the later period, and the strength of the rubber block is further influenced, and the damping oil is leaked.
(3) The color surfaces of the plurality of mark points are coated with color development layers, the colors presented by the color development layers on the plurality of mark points are different, and fluorescent materials are doped in the color development layers, when the device is used, the device can be inserted into the rubber block at the position of the mark point through the needle head to inject and suck damping oil, the colors on each mark point correspond to the insertion sequence, so that the device can not be inserted into the same mark point in the second or third follow-up operation, and the damping oil seepage caused by the intensive vacuum can be effectively avoided.
(4) The lining framework layer comprises an outer surface layer, a middle interlayer and an inner surface layer, the outer surface layer, the middle interlayer and the inner surface layer are sequentially bonded together, the outer surface layer is one end facing to the inner wall of the outer fake solid layer, the outer surface layer and the inner surface layer can effectively protect the middle interlayer, the middle interlayer positioned in the middle is not prone to cracking, the integral strength of the lining framework layer can be improved by the outer surface layer and the inner surface layer, the liquid damping material is enabled to be used, and the lining framework layer has enough bearing capacity after the outer fake solid layer is cracked.
(5) The upper surface coating of extexine has the viscose layer, the viscose layer can adopt super glutinous ultra-thin nanometer to glue, make inside lining skeleton layer can be in the same place and then when using with the firm bonding of outer false nature solid layer, this liquid damping material atress back, the small piece on its surface of outer false nature solid layer of cracked production ice crack can be by firm glutinous on inside lining skeleton layer surface, be difficult for dropping, make inside lining skeleton layer can directly expose, form certain protection, and live time's extension, the small piece on outer false nature solid layer is more and more littleer, finally present nearly likepowder particle diameter and glue on inside lining skeleton layer surface, also more and more strong to the guard action on inside lining skeleton layer surface, make this liquid damping material's damping effect more and more good, increase of service life.
(6) The outer surface layer and the inner surface layer are made of nylon cloth materials coated with LINE-X coating layers, the LINE-X coating layers have strong tensile and wear-resisting capabilities, the tensile property, the elasticity and the wear resistance of the nylon cloth are effectively improved, the strength of the lining framework layers is further improved, when the outer fake solid layers are cracked to be used, small fragments hardly scratch the lining framework layers, the middle interlayer is made of an oleophobic elastic film material, damping oil hardly penetrates through the lining framework layers to permeate the lining framework layers, the fact that the damping oil in the liquid damping material is not prone to loss in the using process is further guaranteed, and the service life is prolonged.
(7) The outer false solid layer is made of a brittle material, the brittle material generates small deformation under the action of external force (such as stretching, impact and the like), namely the broken property is damaged, so that the liquid damping material can deform and break through the stress of the outer false solid layer before and after use to achieve a certain damping effect, after the outer false solid layer breaks, the liquid damping material is activated to change from hard to soft and from solid to flowing, and therefore the liquid damping material can be normally used.
(8) The minimum thickness of the outer pseudo solid layer is 3-5mm, the outer pseudo solid layer is too thick, small fragments of the outer pseudo solid layer are easily too thick to improve the strength, the acting force of the small fragments on the lining framework layer is stronger, the service life of the lining framework layer is easily shortened, the outer pseudo solid layer is too thin and is easily broken, the damping capacity of the outer pseudo solid layer in real use is weakened, and the use effect is affected.
(9) The outer false solid layer is in a shape without obvious edges and corners on the surface, the shape can be one of polygons of ellipses, circles and fillets, the shape without the obvious edges and corners can effectively avoid the situation that the local lining framework layer is easily worn and broken due to concentrated stress generated by the edges and corners when the outer false solid layer is used, and the service life and the use effect are prolonged.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of the inventive extrinsic solid layer showing ice cracks;
FIG. 4 is a schematic view of the construction of the rubber plug of the present invention;
FIG. 5 is a schematic view of the construction of the liner carcass layer of the present invention.
The reference numbers in the figures illustrate:
1 outer pseudo solid layer, 2 inner embedded wires, 3 damping oil, 4 inner lining framework layers, 41 outer surface layers, 42 middle interlayers, 43 inner surface layers, 5 rubber blocks and 6 marking points.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, a liquid damping noise reduction material comprises an outer pseudo solid layer 1, wherein a wire embedding net is embedded in the outer pseudo solid layer 1, the wire embedding net comprises a plurality of inner embedded wires 2, the inner embedded wires 2 are distributed in a disordered manner, the inner embedded wires 2 are mutually crossed, two ends of part of the inner embedded wires 2 are respectively contacted with the inner surface and the outer surface of the outer pseudo solid layer 1, one end of part of the inner embedded wires 2 is contacted with the inner surface or the outer surface of the outer pseudo solid layer 1, two ends of the last part of the inner embedded wires 2 are both positioned in the outer pseudo solid layer 1 and are not contacted with the inner surface and the outer surface of the outer pseudo solid layer 1, an inner lining frame layer 4 is adhered to the inner wall of the outer pseudo solid layer 1, damping oil 3 is filled in the outer pseudo solid layer 1, and a rubber block 5 is embedded in one end of the outer pseudo solid layer 1 in a sealing manner.
The minimum thickness of the outer false solid layer 1 is 3-5mm, the outer false solid layer 1 is too thick, the small fragments of the outer false solid layer 1 are easily caused to be too thick, the strength is improved, the acting force of the small fragments on the lining framework layer 4 is stronger, the service life of the lining framework layer 4 is easily reduced, the outer false solid layer 1 is too thin and is easy to break, the damping capacity of the outer false solid layer during real use is weakened, and the use effect is influenced, the thickness of the outer false solid layer 1 is in direct proportion to the inner volume of the lining framework layer 4, the larger the volume is, the larger the volume of the liquid damping material is, the thickness of the outer false solid layer 1 is correspondingly increased, so that the liquid damping material is not easy to break due to the too thin outer false solid layer 1 when not used, the outer false solid layer 1 is in a shape without obvious edges and corners on the surface, and the shape can be one of polygons of ellipse, circle and fillet, the shape of no obvious edges and corners is avoided, so that the situation that the local lining framework layer 4 is easily worn and broken due to concentrated stress generated by the edges and corners is effectively avoided, and the service life and the use effect are improved.
Referring to fig. 4, the surface of the rubber block 5 is marked with a plurality of uniformly distributed mark points 6, the distance between every two mark points 6 and the distance between the mark point 6 positioned at the outer side and the edge of the rubber block 5 are not less than 1cm, so that the pricking holes injected or sucked for a plurality of times are not too close when the damping oil 3 is injected or sucked through the mark points 6 at the later stage, and further the strength of the rubber block 5 is affected, so that the damping oil 3 leaks, the color development layers are coated on the color surfaces of the mark points 6, the colors presented by the color development layers on the mark points 6 are different from each other, and the fluorescent material is doped in the color development layers, when in use, the needle can be inserted into the rubber block 5 at the position of the mark point 6 to inject and suck the damping oil 3, the color on each mark point 6 corresponds to the insertion order, so that in the subsequent operations of the second or third time and the like, the damping oil can not be inserted into the same mark point 6 in the previous time, and the seepage of the damping oil 3 caused by vacuum concentration is effectively avoided.
Referring to fig. 5, the lining skeleton layer 4 includes an outer surface layer 41, a middle interlayer 42 and an inner surface layer 43, the outer surface layer 41, the middle interlayer 42 and the inner surface layer 43 are sequentially bonded together, and the outer surface layer 41 faces one end of the inner wall of the outer pseudo solid layer 1, the outer surface layer 41 and the inner surface layer 43 can effectively protect the middle interlayer 42, so that the middle interlayer 42 located in the middle is not easily broken, and meanwhile, the outer surface layer 41 and the inner surface layer 43 can also improve the overall strength of the lining skeleton layer 4, so that when the liquid damping material is used, the lining skeleton layer 4 has sufficient bearing capacity after the outer pseudo solid layer 1 is broken, the upper surface of the outer surface layer 41 is coated with an adhesive layer, which can be ultra-thin nano-adhesive, so that the lining skeleton layer 4 can be firmly bonded with the outer pseudo solid layer 1 of the outer layer, and when the liquid damping material is used, referring to fig. 3, small fragments on the surface of the outer pseudo solid layer 1 which are cracked to generate ice cracks can be firmly adhered to the surface of the inner lining framework layer 4 and are not easy to fall off, so that the inner lining framework layer 4 cannot be directly exposed to form certain protection, the service life is prolonged, the small fragments of the outer pseudo solid layer 1 are smaller and smaller, the particles with the particle size which is nearly powdery are finally adhered to the surface of the inner lining framework layer 4, the protection effect on the surface of the inner lining framework layer 4 is stronger and stronger, the damping effect of the liquid damping material is better and better, and the service life is prolonged;
the outer surface layer 41 and the inner surface layer 43 are both made of nylon cloth materials coated with LINE-X coating, the LINE-X coating has strong tensile and wear-resisting capabilities, so that the tensile property, elasticity and wear resistance of the nylon cloth are effectively improved, the strength of the lining framework layer 4 is further improved, when the outer fake solid layer 1 is cracked for use, small fragments are difficult to scratch the lining framework layer 4, the middle interlayer 42 is an oleophobic elastic film material, damping oil 3 is difficult to penetrate through the lining framework layer 4 and permeate out of the lining framework layer 4, the damping oil 3 in the liquid damping material is further ensured to be difficult to run off in the using process, the service life is prolonged, the outer fake solid layer 1 is made of brittle materials, the brittle materials generate small deformation under the action of external force such as stretching, impact and the like, namely the property of being damaged and broken is realized, and a certain damping effect can be realized by the deformation and breakage of the outer fake solid layer 1 under the external force before and after the liquid damping material is used, when the outer pseudo solid layer 1 is broken, the liquid damping material is activated, the liquid damping material is changed from hard to soft and is changed from solid to flowing, so that the liquid damping material can be normally used, the embedded wire 2 is made of tensile fiber materials, after the outer pseudo solid layer 1 is broken, the embedded wire 2 can be connected and penetrates through all small fragments, the small fragments are bound outside the inner lining framework layer 4, and the broken outer pseudo solid layer 1 further forms a protective layer on the surface of the inner lining framework layer 4 under the action of the adhesive layer.
A liquid damping noise reduction material is prepared by the following steps: the method comprises the following steps:
s1, firstly, adhering and gluing the outer surface layer 41, the middle interlayer 42 and the inner surface layer 43 together to obtain the lining framework layer 4, then, shaping the lining framework layer 4 into the shape of a target liquid material, and reserving shaping holes;
s2, introducing nitrogen into the lining framework layer 4 through the shaping holes to enable the lining framework layer to be in a saturated state, and enabling the whole lining framework layer 4 to be in a hardened state;
s3, melting the brittle material, putting the embedded wire 2 into the melt of the brittle material, and stirring to uniformly distribute the embedded wire 2;
s4, uniformly coating the melt solution added with the embedded wires 2 on the surface of the hardened lining framework layer 4, cooling to form an outer pseudo solid layer 1, and polishing the surface of the outer pseudo solid layer 1;
and S5, stopping introducing nitrogen gas at the moment, introducing damping oil 3 into the shaping hole, and gluing and plugging the shaping hole by using a rubber plugging block 5 to obtain the liquid damping material.
The liquid damping material is activated after the outer fake solid layer 1 is broken, the liquid damping material is changed from hard to soft and flows from solid, and therefore the liquid damping material can be normally used, the embedded wires 2 can penetrate through all small fragments, the small fragments are bound on the surface of the inner lining framework layer 4 to form a protective layer under the action of the adhesive layer, the small fragments of the outer fake solid layer 1 are smaller and smaller along with the prolonging of the using time, and finally are in a powder shape, the protective effect on the surface of the inner lining framework layer 4 is also stronger and stronger, meanwhile, the powdery outer fake solid layer 1 is in a solid shape, the sound absorption capacity of the liquid damping material is stronger, the noise of the liquid damping material is larger and larger compared with the damping material in the prior art, and the sound absorption and noise reduction capacity of the liquid damping material is obviously enhanced.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. A liquid damping noise-reducing material comprising an extrinsic pseudo solid layer (1), characterized in that: the inner part of the outer fake solid layer (1) is inlaid with a silk embedding net, the silk embedding net comprises a plurality of inner embedded wires (2), the inner embedded wires (2) are distributed in a disordered way, the inner embedded wires (2) are intersected, two ends of part of the inner embedded wires (2) are respectively contacted with the inner surface and the outer surface of the outer fake solid layer (1), one end of part of the inner embedded wires (2) is contacted with the inner surface or the outer surface of the outer fake solid layer (1), two ends of the last part of the inner embedded wires (2) are both positioned in the outer fake solid layer (1) and are not contacted with the inner surface and the outer surface of the outer fake solid layer (1), an inner lining layer (4) is adhered to the inner wall of the outer fake solid layer (1), damping oil (3) is filled in the outer fake solid layer (1), one end of the outer fake solid layer (1) is inlaid with a rubber block (5) in a sealing way, the surface of the rubber block (5) is marked with a plurality of uniformly distributed marking points (6); the outer pseudo solid layer (1) is made of a brittle material, and the inner embedded wire (2) is made of a tensile fiber material;
the preparation method comprises the following steps: the method comprises the following steps:
s1, firstly, adhering and gluing the outer surface layer (41), the middle interlayer (42) and the inner surface layer (43) together to obtain the lining framework layer (4), then, shaping the lining framework layer (4) into the shape of a target liquid material, and reserving shaping holes;
s2, introducing nitrogen into the lining framework layer (4) through the shaping holes to enable the lining framework layer to be in a saturated state, so that the whole lining framework layer (4) is in a hardened state;
s3, melting the brittle material, putting the embedded wire (2) into the melt of the brittle material, and stirring to uniformly distribute the embedded wire;
s4, uniformly coating the melt added with the embedded wires (2) on the surface of the hardened lining framework layer (4), cooling to form an outer pseudo solid layer (1), and polishing the surface of the outer pseudo solid layer (1);
and S5, stopping introducing nitrogen gas, introducing damping oil (3) into the shaping hole through the shaping hole, and gluing and plugging the shaping hole by using a rubber plugging block (5) to obtain the liquid damping material.
2. The liquid damping noise reduction material of claim 1, wherein: the distance between every two mark points (6) and the distance between the mark point (6) positioned on the outer side and the edge of the rubber block (5) are not less than 1 cm.
3. A liquid damping and noise reducing material as claimed in claim 2, wherein: the surfaces of the plurality of the mark points (6) are coated with color development layers, the colors of the color development layers on the plurality of the mark points (6) are different, and fluorescent materials are doped in the color development layers.
4. The liquid damping noise reduction material of claim 1, wherein: the lining framework layer (4) comprises an outer surface layer (41), a middle interlayer (42) and an inner surface layer (43), the outer surface layer (41), the middle interlayer (42) and the inner surface layer (43) are sequentially bonded together, and the outer surface layer (41) faces one end of the inner wall of the outer pseudo solid layer (1).
5. The liquid damping and noise reducing material of claim 4, wherein: the upper surface of the outer surface layer (41) is coated with an adhesive layer.
6. The liquid damping and noise reducing material of claim 5, wherein: the outer surface layer (41) and the inner surface layer (43) are both made of nylon cloth materials coated with LINE-X coating, and the middle interlayer (42) is made of an oleophobic elastic film material.
7. The liquid damping noise reduction material of claim 1, wherein: the minimum thickness of the outer pseudo solid layer (1) is 3mm, and the thickness of the outer pseudo solid layer (1) is in direct proportion to the inner volume of the lining framework layer (4).
8. The liquid damping noise reduction material of claim 1, wherein: the outer pseudo solid layer (1) is in a shape without obvious edges and corners on the surface, and the shape is one of an ellipse, a circle and a polygon with round corners.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011436737.XA CN112477297B (en) | 2019-06-28 | 2019-06-28 | Liquid damping material and preparation method thereof |
| CN201910576874.4A CN110303737B (en) | 2019-06-28 | 2019-06-28 | Liquid damping noise reduction material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576874.4A CN110303737B (en) | 2019-06-28 | 2019-06-28 | Liquid damping noise reduction material and preparation method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011436737.XA Division CN112477297B (en) | 2019-06-28 | 2019-06-28 | Liquid damping material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110303737A CN110303737A (en) | 2019-10-08 |
| CN110303737B true CN110303737B (en) | 2021-05-11 |
Family
ID=68078690
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011436737.XA Active CN112477297B (en) | 2019-06-28 | 2019-06-28 | Liquid damping material and preparation method thereof |
| CN201910576874.4A Active CN110303737B (en) | 2019-06-28 | 2019-06-28 | Liquid damping noise reduction material and preparation method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011436737.XA Active CN112477297B (en) | 2019-06-28 | 2019-06-28 | Liquid damping material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112477297B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580605A (en) * | 2003-08-12 | 2005-02-16 | 东海橡胶工业株式会社 | Fluid-filled shocker |
| CN1782460A (en) * | 2004-09-30 | 2006-06-07 | 东海橡胶工业株式会社 | Fluid filled vibration damping device |
| JP2008249076A (en) * | 2007-03-30 | 2008-10-16 | Tokai Rubber Ind Ltd | Fluid sealed type vibration damper |
| JP4451953B2 (en) * | 2000-01-17 | 2010-04-14 | 山下ゴム株式会社 | Liquid seal vibration isolator |
| CN104088949A (en) * | 2014-07-06 | 2014-10-08 | 衡水宝力工程橡胶有限公司 | Fluid seal leakage-free damper |
| CN105987122A (en) * | 2015-03-19 | 2016-10-05 | 住友理工株式会社 | Fluid-filled vibration-damping device |
| CN106545102A (en) * | 2016-10-28 | 2017-03-29 | 同济大学 | Kickboard type Tuned Liquid |
| CN107579503A (en) * | 2017-08-24 | 2018-01-12 | 国网陕西省电力公司西安供电公司 | A kind of cable connector explosion-protection equipment based on silicone oil STF |
| CN208112728U (en) * | 2018-04-11 | 2018-11-16 | 深圳市利思瑞精密硅胶科技有限公司 | A kind of anti-collision and anti-fall high resiliency liquid-state silicon gel safeguard structure |
| CN108878119A (en) * | 2018-08-17 | 2018-11-23 | 全球能源互联网研究院有限公司 | A kind of sound insulation vibration-proof structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093008A (en) * | 2007-07-18 | 2007-12-26 | 郑钢铁 | Composite damping material with interlayer being as metal rubber |
| CN201090659Y (en) * | 2007-08-15 | 2008-07-23 | 李其根 | Rubber vibration isolation acoustic pad with float building structure |
| CN104265828B (en) * | 2014-09-22 | 2016-05-25 | 太原科技大学 | A kind of bionical layer to layer transition vibrational energy dissipative structure |
| CN207244883U (en) * | 2017-08-30 | 2018-04-17 | 四川三元环境治理股份有限公司 | A kind of sound absorption module of band damping sound-insulating felt |
-
2019
- 2019-06-28 CN CN202011436737.XA patent/CN112477297B/en active Active
- 2019-06-28 CN CN201910576874.4A patent/CN110303737B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4451953B2 (en) * | 2000-01-17 | 2010-04-14 | 山下ゴム株式会社 | Liquid seal vibration isolator |
| CN1580605A (en) * | 2003-08-12 | 2005-02-16 | 东海橡胶工业株式会社 | Fluid-filled shocker |
| CN1782460A (en) * | 2004-09-30 | 2006-06-07 | 东海橡胶工业株式会社 | Fluid filled vibration damping device |
| JP2008249076A (en) * | 2007-03-30 | 2008-10-16 | Tokai Rubber Ind Ltd | Fluid sealed type vibration damper |
| CN104088949A (en) * | 2014-07-06 | 2014-10-08 | 衡水宝力工程橡胶有限公司 | Fluid seal leakage-free damper |
| CN105987122A (en) * | 2015-03-19 | 2016-10-05 | 住友理工株式会社 | Fluid-filled vibration-damping device |
| CN106545102A (en) * | 2016-10-28 | 2017-03-29 | 同济大学 | Kickboard type Tuned Liquid |
| CN107579503A (en) * | 2017-08-24 | 2018-01-12 | 国网陕西省电力公司西安供电公司 | A kind of cable connector explosion-protection equipment based on silicone oil STF |
| CN208112728U (en) * | 2018-04-11 | 2018-11-16 | 深圳市利思瑞精密硅胶科技有限公司 | A kind of anti-collision and anti-fall high resiliency liquid-state silicon gel safeguard structure |
| CN108878119A (en) * | 2018-08-17 | 2018-11-23 | 全球能源互联网研究院有限公司 | A kind of sound insulation vibration-proof structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112477297A (en) | 2021-03-12 |
| CN112477297B (en) | 2023-04-11 |
| CN110303737A (en) | 2019-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110303737B (en) | Liquid damping noise reduction material and preparation method thereof | |
| CN101244642A (en) | Metal net plate damping composite material and method for manufacturing same | |
| JP2013505775A (en) | Golf club head wear indicator | |
| CN109944074A (en) | A kind of shear thickening fluid soft stab-proof fabric | |
| CN109461379A (en) | Display panel and display device | |
| CN208220821U (en) | A kind of anchor bar of waterproof plate in tunnels, drain bar and drainable waterproofing plate | |
| EP3489401A1 (en) | Anti-cutting rubber coating yarn | |
| CN210082598U (en) | Durable waterproof fabric | |
| JP5276251B2 (en) | High-strength resin molded product | |
| CN208855170U (en) | A kind of novel high-strength PP plate | |
| CN218054716U (en) | Oiling decoration board with high sealing performance | |
| CN219789483U (en) | Corrosion-resistant corrugated glass shell | |
| CN206859433U (en) | A kind of waterproof anti-corrosion applies compress | |
| CN214983817U (en) | High-strength glass | |
| CN214696594U (en) | Architectural decoration wall paper with high toughness | |
| CN201042914Y (en) | Air escape preventing internal pad of tire | |
| CN109723329A (en) | Hollow glass | |
| CN209351851U (en) | A kind of Anti-moth-eating plastics package woven bag | |
| CN210118386U (en) | Cross axle type rigid universal joint | |
| CN206894766U (en) | Shatter-resistant CCTV camera | |
| CN201769401U (en) | Woven fabric base material reinforcing film | |
| CN104241503A (en) | Design method of LED SMD (surface mount device) holder moisture-proof structure | |
| CN216493418U (en) | Can dredge spill material bottle that spills material hole jam | |
| CN208544989U (en) | A kind of rubber and plastic elevator gasket | |
| CN207669902U (en) | A kind of high definition Mobile phone film with long service life |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210420 Address after: 314205 Building 2, No.222 Jinsha Road, Xincang Town, Pinghu City, Jiaxing City, Zhejiang Province Applicant after: Aihua (Zhejiang) new material Co.,Ltd. Address before: 221300 South of Binhu Avenue and West of Taihu Avenue in Pizhou High-tech Industrial Development Zone, Xuzhou City, Jiangsu Province Applicant before: Xuzhou Renhe Hydraulic Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A liquid damping noise reduction material and its preparation method Effective date of registration: 20230614 Granted publication date: 20210511 Pledgee: Zhejiang Pinghu rural commercial bank Limited by Share Ltd. new warehouse branch Pledgor: Aihua (Zhejiang) new material Co.,Ltd. Registration number: Y2023980043916 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |