CN111532003A - Environment-friendly sound-insulation furniture composite board and production method thereof - Google Patents
Environment-friendly sound-insulation furniture composite board and production method thereof Download PDFInfo
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- CN111532003A CN111532003A CN202010468910.8A CN202010468910A CN111532003A CN 111532003 A CN111532003 A CN 111532003A CN 202010468910 A CN202010468910 A CN 202010468910A CN 111532003 A CN111532003 A CN 111532003A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/095—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B3/26—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 a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
Abstract
The invention discloses an environment-friendly sound-insulation furniture composite board and a production method thereof, and belongs to the technical field of composite boards, wherein the environment-friendly sound-insulation furniture composite board comprises a paint layer, a PVC film, outer boards, an inner board and composite layers, the outer boards are arranged above and below the inner board, the composite layers are filled between the outer boards and the inner board, the composite layers are 2-8 in total, adjacent composite layers are separated by the inner board, the inner board is 1-7 in total, the PVC film with the thickness of less than 0.1mm is bonded on the outer surfaces of the two outer boards, the paint layer with the thickness of less than 0.02mm is coated on the outer surface of the PVC film, and the overlapping thickness of the outer boards, the inner board and the composite layers is 2-7 cm. Not only can filter the noise of low, well, high frequency, can also set the sound absorbing material, increase composite sheet bearing performance for the radiating efficiency of composite sheet.
Description
Technical Field
The invention relates to the technical field of composite boards, in particular to an environment-friendly sound-insulation furniture composite board and a production method thereof.
Background
The environment-friendly and sound-proof furniture composite board usually adopts loose and porous rock wool, slag wool, blankets and the like, the sound absorption mechanism is that sound waves go deep into pores of materials, the pores are mostly open pores which are communicated with each other inside, and the pores are subjected to air molecule friction and viscous resistance and make fine fibers do mechanical vibration, so that sound energy is converted into heat energy. This kind of porous sound absorbing material's sound absorption coefficient generally increases gradually from the low frequency to the high frequency, so sound absorption effect to high frequency and intermediate frequency is better, but the in-process board body that lasts the absorption volume can produce the high heat, sound absorbing material is located the plate body middle part, and heat conductivility is poor, unable timely heat dissipation, the composite sheet temperature risees, and sound absorbing material hole is many, high strength compression can extrude the pore space, reduce sound absorbing effect, under the condition of not compressing, sound absorbing material hardness is low, directly lead to plate body bearing performance to reduce.
Disclosure of Invention
The invention aims to provide an environment-friendly and sound-insulating furniture composite board and a production method thereof, which can not only filter low, medium and high frequency noises, but also shape a sound-absorbing material, increase the bearing performance of the composite board and accelerate the heat dissipation efficiency of the composite board so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an environmental protection sound-proof furniture composite sheet, includes paint layer, PVC film, outer plywood, inner plating and composite bed, the top and the below of inner plating all are equipped with outer plywood, it has the composite bed to fill between outer plywood and the inner plating, the total 2 ~ 8 layers of composite bed separate through the inner plating between the adjacent composite bed, and the total 1 ~ 7 layers of inner plating are two-layer the surface of outer plywood all bonds and has the PVC film that thickness is less than 0.1mm, the surface coating of PVC film has the paint layer that thickness is less than 0.02mm, the stack thickness of outer plywood, inner plating and composite bed is 2 ~ 7 cm.
Furthermore, the outer plate and the inner plate are metal hole plates with the aperture ratio of 1% -3%, the aperture ratio of the outer plate is consistent with that of the inner plate, and the thickness of the outer plate is 2.5-7.5 times that of the inner plate.
Furthermore, the composite layer is prepared from polyurethane foam blocks, bonding mortar and calcium carbonate serving as raw materials.
Furthermore, the composite layers are two in total, an inner layer plate is arranged between two adjacent composite layers, and the inner layer plate is one in total.
Furthermore, the composite layers have three layers, an inner layer plate is arranged between two adjacent composite layers, and the inner layer plate has two layers.
Furthermore, the composite layers have four layers, an inner layer plate is arranged between two adjacent composite layers, and the inner layer plate has three layers.
Furthermore, the composite layers are eight in total, an inner layer plate is arranged between two adjacent composite layers, and the inner layer plate is seven in total.
According to another aspect of the present invention, there is provided a method for producing an environment-friendly soundproof furniture composite panel, comprising the steps of:
s1: selecting materials, namely selecting a PVC film with the thickness of less than 0.1mm, paint, two metal plates with different thicknesses, polyurethane foam blocks, bonding mortar and a calcium carbonate saturated solution;
s2: pretreating metal plates, wherein holes in any shape are formed in two metal plates with different thicknesses, the opening rate is 1% -3%, and a thick metal hole plate and a thin metal hole plate are formed;
s3: pretreating a polyurethane foam block, soaking the polyurethane foam block in a calcium carbonate solution, taking out, and rolling for 3-5 times;
s4: assembling, namely stacking a thick metal pore plate, a polyurethane foam block, a thin metal pore plate, a polyurethane foam block and a thick metal pore plate from bottom to top in sequence to form a stacked structure;
s5: shaping, namely applying pressure to the stacked structure along the vertical direction to compress the stacked structure to the thickness of 2-7 cm, and keeping for 1-2 hours;
s6: and (5) decorating, namely pasting a PVC film with the thickness of less than 0.1mm on the outer surface of the superposed structure, and brushing paint.
Further, S4 includes the steps of:
s401: coating adhesive mortar on one surface of the thick metal pore plate, and stacking polyurethane foam blocks on the surface with the adhesive mortar;
s402: coating bonding mortar on one surface of the thin metal pore plate, and stacking the surface coated with the bonding mortar on the polyurethane foam block in a downward manner;
s403: and coating adhesive mortar on the upper surface of the thin metal pore plate, then stacking another polyurethane foam block, and stacking the other thick metal pore plate with the surface coated with the adhesive mortar facing downwards on the polyurethane foam block.
Further, S402 is repeated 1-7 times.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an environment-friendly sound-insulation furniture composite board and a production method thereof, sound-absorbing materials made of thin metal pore plates and polyurethane foam are mutually superposed and pressed to form, the metal pore plates and the sound-absorbing materials supplement each other, the aperture ratio of the metal pore plates is 1% -3%, the metal pore plates can filter medium and low frequency noises, the sound-absorbing materials are soaked in calcium carbonate for shaping and are positioned in the composite board and used for absorbing high frequency noises, the sound-absorbing materials convert sound waves into heat after absorbing the high frequency noises, the heat is transferred to the metal pore plates, the heat dissipation efficiency is accelerated, not only can the low, medium and high frequency noises be filtered, but also the sound-absorbing materials can be shaped, the bearing performance of the composite board is increased, and the heat dissipation efficiency of.
Drawings
Fig. 1 is an overall structural view of an environmentally friendly soundproof furniture composite panel according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of an environmentally sound insulating furniture composite panel in accordance with a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of an environmentally sound insulating furniture composite panel in accordance with a second embodiment of the present invention;
FIG. 4 is a cross-sectional view of an environmentally friendly acoustical furniture composite panel in accordance with a third embodiment of the present invention;
fig. 5 is a sectional view of an environmentally friendly acoustical furniture composite panel in accordance with a fourth embodiment of the present invention;
FIG. 6 is a flow chart of a method for producing the environmentally friendly acoustical furniture composite panel of the present invention;
fig. 7 is a flow chart of assembly in the method for producing the environmentally friendly soundproof furniture composite panel according to the present invention.
In the figure: 1. a paint layer; 2. a PVC film; 3. an outer plate; 4. an inner layer board; 5. and (4) compounding layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, an environment-friendly and sound-insulating furniture composite board comprises a paint layer 1, a PVC film 2, an outer plate 3, an inner plate 4 and a composite layer 5, wherein the outer plate 3 is arranged above and below the inner plate 4, the composite layer 5 is filled between the outer plate 3 and the inner plate 4, the composite layer 5 comprises 2 layers, adjacent composite layers 5 are separated by the inner plate 4, the inner plate 4 comprises 1 layer, the composite layer 5 is made of polyurethane foam blocks, bonding mortar and calcium carbonate, the mass percentage of the polyurethane foam blocks is 65-95%, the mass percentage of the bonding mortar is 6-1%, the mass percentage of the calcium carbonate is 29-5%, the PVC film 2 with the thickness of less than 0.1mm is bonded on the outer surfaces of the two outer plates 3, the paint layer 1 with the thickness of less than 0.02mm is coated on the outer surface of the PVC film 2, and the superimposed thickness of the outer plates 3, the inner plate 4 and the composite layer 5 is 1cm, the outer plate 3 and the inner plate 4 are both metal hole plates with the aperture ratio of 2%, the aperture ratios of the outer plate 3 and the inner plate 4 are consistent, and the thickness of the outer plate 3 is 5 times that of the inner plate 4.
Referring to fig. 6 to 7, in order to better show the production process of the environment-friendly and sound-proof furniture composite board, the embodiment now proposes a production method of the environment-friendly and sound-proof furniture composite board, which includes the following steps:
s1: selecting materials, namely selecting a PVC film 2 with the thickness of 0.08mm, paint, two metal plates with different thicknesses, polyurethane foam blocks, bonding mortar and a calcium carbonate saturated solution;
s2: pretreating metal plates, wherein holes in any shape are formed in two metal plates with different thicknesses, the opening rate is 2%, and a thick metal hole plate and a thin metal hole plate are formed;
s3: pretreating a polyurethane foam block, soaking the polyurethane foam block in a calcium carbonate solution, taking out, and rolling for 3 times; the polyurethane foam block can be extruded during soaking, the calcium carbonate solution is accelerated to enter foam gaps, the redundant calcium carbonate solution is discharged after rolling, the calcium carbonate solution in the foam gaps is extruded out, the foam gaps are ensured to be positioned in through holes, the through holes are in an unblocked state, noise can be filtered, the residual calcium carbonate solution is attached to the inner walls of the foam gaps, and the polyurethane foam block is solidified after standing to shape the polyurethane foam block;
s4: assembling, namely stacking a thick metal pore plate, a polyurethane foam block, a thin metal pore plate, a polyurethane foam block and a thick metal pore plate from bottom to top in sequence to form a stacked structure; the polyurethane foam block herein is the polyurethane foam block after pretreatment in S3;
s401: coating adhesive mortar on one surface of the thick metal pore plate, and stacking polyurethane foam blocks on the surface with the adhesive mortar;
s402: coating bonding mortar on one surface of the thin metal pore plate, and stacking the surface coated with the bonding mortar on the polyurethane foam block in a downward manner;
s403: coating adhesive mortar on the upper surface of the thin metal pore plate, then stacking another polyurethane foam block, and stacking the surface of the other thick metal pore plate coated with the adhesive mortar on the polyurethane foam block downwards;
s5: shaping, namely applying pressure to the stacked structure along the vertical direction to compress the stacked structure to the thickness of 1cm, and keeping for 2 hours; during the keeping period, ventilation and drying can be performed on the superposed structure, so that solidification of the calcium carbonate solution is accelerated, and the composite layer 5 is molded;
s6: and (5) decorating, namely pasting a PVC film 2 with the thickness of 0.08mm on the outer surface of the superposed structure, and painting paint to beautify the board surface of the composite board.
Example two:
referring to fig. 3, an environment-friendly and sound-insulating furniture composite board comprises a paint layer 1, a PVC film 2, an outer plate 3, an inner plate 4 and a composite layer 5, wherein the outer plate 3 is arranged above and below the inner plate 4, the composite layer 5 is filled between the outer plate 3 and the inner plate 4, the composite layer 5 comprises 3 layers, the adjacent composite layers 5 are separated by the inner plate 4, the inner plate 4 comprises 2 layers, the composite layer 5 is made of polyurethane foam blocks, bonding mortar and calcium carbonate, the mass percentage of the polyurethane foam blocks is 65-95%, the mass percentage of the bonding mortar is 6-1%, the mass percentage of the calcium carbonate is 29-5%, the PVC film 2 with the thickness of less than 0.1mm is bonded on the outer surfaces of the two outer plates 3, the paint layer 1 with the thickness of less than 0.02mm is coated on the outer surface of the PVC film 2, and the superimposed thickness of the outer plates 3, the inner plate 4 and the composite layer 5 is 2, the outer plate 3 and the inner plate 4 are both metal hole plates with the aperture ratio of 2%, the aperture ratios of the outer plate 3 and the inner plate 4 are consistent, and the thickness of the outer plate 3 is 5 times that of the inner plate 4.
Referring to fig. 6 to 7, in order to better show the production process of the environment-friendly and sound-proof furniture composite board, the embodiment now proposes a production method of the environment-friendly and sound-proof furniture composite board, which includes the following steps:
s1: selecting materials, namely selecting a PVC film 2 with the thickness of 0.08mm, paint, two metal plates with different thicknesses, polyurethane foam blocks, bonding mortar and a calcium carbonate saturated solution;
s2: pretreating metal plates, wherein holes in any shape are formed in two metal plates with different thicknesses, the opening rate is 2%, and a thick metal hole plate and a thin metal hole plate are formed;
s3: pretreating a polyurethane foam block, soaking the polyurethane foam block in a calcium carbonate solution, taking out, and rolling for 3 times; the polyurethane foam block can be extruded during soaking, the calcium carbonate solution is accelerated to enter foam gaps, the redundant calcium carbonate solution is discharged after rolling, the calcium carbonate solution in the foam gaps is extruded out, the foam gaps are ensured to be positioned in through holes, the through holes are in an unblocked state, noise can be filtered, the residual calcium carbonate solution is attached to the inner walls of the foam gaps, and the polyurethane foam block is solidified after standing to shape the polyurethane foam block;
s4: assembling, namely stacking a thick metal pore plate, a polyurethane foam block, a thin metal pore plate, a polyurethane foam block and a thick metal pore plate from bottom to top in sequence to form a stacked structure; the polyurethane foam block herein is the polyurethane foam block after pretreatment in S3;
s401: coating adhesive mortar on one surface of the thick metal pore plate, and stacking polyurethane foam blocks on the surface with the adhesive mortar;
s402: coating bonding mortar on one surface of the thin metal pore plate, and stacking the surface coated with the bonding mortar on the polyurethane foam block in a downward manner; this step was repeated 2 times;
s403: coating adhesive mortar on the upper surface of the thin metal pore plate, then stacking another polyurethane foam block, and stacking the surface of the other thick metal pore plate coated with the adhesive mortar on the polyurethane foam block downwards;
s5: shaping, namely applying pressure to the stacked structure along the vertical direction to compress the stacked structure to the thickness of 2cm, and keeping for 2 hours; during the keeping period, ventilation and drying can be performed on the superposed structure, so that solidification of the calcium carbonate solution is accelerated, and the composite layer 5 is molded;
s6: and (5) decorating, namely pasting a PVC film 2 with the thickness of 0.08mm on the outer surface of the superposed structure, and painting paint to beautify the board surface of the composite board.
Example three:
referring to fig. 4, an environment-friendly and sound-insulating furniture composite board comprises a paint layer 1, a PVC film 2, an outer plate 3, an inner plate 4 and a composite layer 5, wherein the outer plate 3 is arranged above and below the inner plate 4, the composite layer 5 is filled between the outer plate 3 and the inner plate 4, the composite layer 5 comprises 4 layers, adjacent composite layers 5 are separated by the inner plate 4, the inner plate 4 comprises 3 layers, the composite layer 5 is made of polyurethane foam blocks, bonding mortar and calcium carbonate, the mass percentage of the polyurethane foam blocks is 65-95%, the mass percentage of the bonding mortar is 6-1%, the mass percentage of the calcium carbonate is 29-5%, the PVC film 2 with the thickness of less than 0.1mm is bonded on the outer surfaces of the two outer plates 3, the paint layer 1 with the thickness of less than 0.02mm is coated on the outer surface of the PVC film 2, and the superimposed thickness of the outer plates 3, the inner plate 4 and the composite layer 5 is 3cm, the outer plate 3 and the inner plate 4 are both metal hole plates with the aperture ratio of 2%, the aperture ratios of the outer plate 3 and the inner plate 4 are consistent, and the thickness of the outer plate 3 is 5 times that of the inner plate 4.
Referring to fig. 6 to 7, in order to better show the production process of the environment-friendly and sound-proof furniture composite board, the embodiment now proposes a production method of the environment-friendly and sound-proof furniture composite board, which includes the following steps:
s1: selecting materials, namely selecting a PVC film 2 with the thickness of 0.08mm, paint, two metal plates with different thicknesses, polyurethane foam blocks, bonding mortar and a calcium carbonate saturated solution;
s2: pretreating metal plates, wherein holes in any shape are formed in two metal plates with different thicknesses, the opening rate is 2%, and a thick metal hole plate and a thin metal hole plate are formed;
s3: pretreating a polyurethane foam block, soaking the polyurethane foam block in a calcium carbonate solution, taking out, and rolling for 3 times; the polyurethane foam block can be extruded during soaking, the calcium carbonate solution is accelerated to enter foam gaps, the redundant calcium carbonate solution is discharged after rolling, the calcium carbonate solution in the foam gaps is extruded out, the foam gaps are ensured to be positioned in through holes, the through holes are in an unblocked state, noise can be filtered, the residual calcium carbonate solution is attached to the inner walls of the foam gaps, and the polyurethane foam block is solidified after standing to shape the polyurethane foam block;
s4: assembling, namely stacking a thick metal pore plate, a polyurethane foam block, a thin metal pore plate, a polyurethane foam block and a thick metal pore plate from bottom to top in sequence to form a stacked structure; the polyurethane foam block herein is the polyurethane foam block after pretreatment in S3;
s401: coating adhesive mortar on one surface of the thick metal pore plate, and stacking polyurethane foam blocks on the surface with the adhesive mortar;
s402: coating bonding mortar on one surface of the thin metal pore plate, and stacking the surface coated with the bonding mortar on the polyurethane foam block in a downward manner; this step was repeated 3 times;
s403: coating adhesive mortar on the upper surface of the thin metal pore plate, then stacking another polyurethane foam block, and stacking the surface of the other thick metal pore plate coated with the adhesive mortar on the polyurethane foam block downwards;
s5: shaping, applying pressure to the stacked structure along the vertical direction to compress the stacked structure to a thickness of 3cm, and keeping for 2 hours; during the keeping period, ventilation and drying can be performed on the superposed structure, so that solidification of the calcium carbonate solution is accelerated, and the composite layer 5 is molded;
s6: and (5) decorating, namely pasting a PVC film 2 with the thickness of 0.08mm on the outer surface of the superposed structure, and painting paint to beautify the board surface of the composite board.
Example four:
referring to fig. 5, an environment-friendly and sound-insulating furniture composite board comprises a paint layer 1, a PVC film 2, an outer plate 3, an inner plate 4 and a composite layer 5, wherein the outer plate 3 is arranged above and below the inner plate 4, the composite layer 5 is filled between the outer plate 3 and the inner plate 4, the composite layer 5 comprises 8 layers, the adjacent composite layers 5 are separated by the inner plate 4, the inner plate 4 comprises 7 layers, the composite layer 5 is made of polyurethane foam blocks, bonding mortar and calcium carbonate, the mass percentage of the polyurethane foam blocks is 65-95%, the mass percentage of the bonding mortar is 6-1%, the mass percentage of the calcium carbonate is 29-5%, the PVC film 2 with the thickness of less than 0.1mm is bonded on the outer surfaces of the two outer plates 3, the paint layer 1 with the thickness of less than 0.02mm is coated on the outer surface of the PVC film 2, and the superimposed thickness of the outer plates 3, the inner plate 4 and the composite layer 5 is 7, the outer plate 3 and the inner plate 4 are both metal hole plates with the aperture ratio of 2%, the aperture ratios of the outer plate 3 and the inner plate 4 are consistent, and the thickness of the outer plate 3 is 5 times that of the inner plate 4.
Referring to fig. 6 to 7, in order to better show the production process of the environment-friendly and sound-proof furniture composite board, the embodiment now proposes a production method of the environment-friendly and sound-proof furniture composite board, which includes the following steps:
s1: selecting materials, namely selecting a PVC film 2 with the thickness of 0.08mm, paint, two metal plates with different thicknesses, polyurethane foam blocks, bonding mortar and a calcium carbonate saturated solution;
s2: pretreating metal plates, wherein holes in any shape are formed in two metal plates with different thicknesses, the opening rate is 2%, and a thick metal hole plate and a thin metal hole plate are formed;
s3: pretreating a polyurethane foam block, soaking the polyurethane foam block in a calcium carbonate solution, taking out, and rolling for 3 times; the polyurethane foam block can be extruded during soaking, the calcium carbonate solution is accelerated to enter foam gaps, the redundant calcium carbonate solution is discharged after rolling, the calcium carbonate solution in the foam gaps is extruded out, the foam gaps are ensured to be positioned in through holes, the through holes are in an unblocked state, noise can be filtered, the residual calcium carbonate solution is attached to the inner walls of the foam gaps, and the polyurethane foam block is solidified after standing to shape the polyurethane foam block;
s4: assembling, namely stacking a thick metal pore plate, a polyurethane foam block, a thin metal pore plate, a polyurethane foam block and a thick metal pore plate from bottom to top in sequence to form a stacked structure; the polyurethane foam block herein is the polyurethane foam block after pretreatment in S3;
s401: coating adhesive mortar on one surface of the thick metal pore plate, and stacking polyurethane foam blocks on the surface with the adhesive mortar;
s402: coating bonding mortar on one surface of the thin metal pore plate, and stacking the surface coated with the bonding mortar on the polyurethane foam block in a downward manner; this step was repeated 7 times;
s403: coating adhesive mortar on the upper surface of the thin metal pore plate, then stacking another polyurethane foam block, and stacking the surface of the other thick metal pore plate coated with the adhesive mortar on the polyurethane foam block downwards;
s5: shaping, applying pressure to the stacked structure in the vertical direction to compress the stacked structure to a thickness of 7cm, and holding for 2 hours; during the keeping period, ventilation and drying can be performed on the superposed structure, so that solidification of the calcium carbonate solution is accelerated, and the composite layer 5 is molded;
s6: and (5) decorating, namely pasting a PVC film 2 with the thickness of 0.08mm on the outer surface of the superposed structure, and painting paint to beautify the board surface of the composite board.
In summary, the following steps: the invention provides an environment-friendly sound-insulation furniture composite board and a production method thereof, sound-absorbing materials made of thin metal pore plates and polyurethane foam are mutually superposed and pressed to form, the metal pore plates and the sound-absorbing materials supplement each other, the aperture ratio of the metal pore plates is 1% -3%, the metal pore plates can filter medium and low frequency noises, the sound-absorbing materials are soaked in calcium carbonate for shaping and are positioned in the composite board and used for absorbing high frequency noises, the sound-absorbing materials convert sound waves into heat after absorbing the high frequency noises, the heat is transferred to the metal pore plates, the heat dissipation efficiency is accelerated, not only can the low, medium and high frequency noises be filtered, but also the sound-absorbing materials can be shaped, the bearing performance of the composite board is increased, and the heat dissipation efficiency of.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions disclosed in the present invention and the equivalent alternatives or modifications thereof within the scope of the present invention.
Claims (10)
1. The utility model provides an environmental protection sound-proof furniture composite sheet, its characterized in that includes paint layer (1), PVC film (2), outer plywood (3), inner plating (4) and composite bed (5), the top and the below of inner plating (4) all are equipped with outer plywood (3), it has composite bed (5) to fill between outer plywood (3) and inner plating (4), composite bed (5) total 2 ~ 8 layers are separated through inner plating (4) between adjacent composite bed (5), and inner plating (4) total 1 ~ 7 layers, two-layer the surface of outer plywood (3) all bonds and has PVC film (2) that thickness is less than 0.1mm, the surface coating of PVC film (2) has paint layer (1) that thickness is less than 0.02mm, the stack thickness of outer plywood (3), inner plating (4) and composite bed (5) is 2 ~ 7 cm.
2. The environment-friendly and sound-insulating furniture composite board as claimed in claim 1, wherein the outer board (3) and the inner board (4) are both metal hole boards with the aperture ratio of 1% -3%, the aperture ratio of the outer board (3) and the aperture ratio of the inner board (4) are consistent, and the thickness of the outer board (3) is 2.5-7.5 times of that of the inner board (4).
3. The environment-friendly and sound-proof furniture composite board as claimed in claim 1, wherein the composite layer (5) is made of polyurethane foam blocks, adhesive mortar and calcium carbonate.
4. An environment-friendly and sound-insulating furniture composite board according to claim 1, wherein the composite layers (5) have two layers in total, and an inner layer board (4) is arranged between two adjacent composite layers (5), and the inner layer board (4) has one layer in total.
5. An environment-friendly and sound-insulating furniture composite board according to claim 1, wherein the composite layers (5) have three layers in total, and an inner layer board (4) is arranged between two adjacent composite layers (5), and the inner layer board (4) has two layers in total.
6. An environment-friendly and sound-insulating furniture composite board according to claim 1, wherein the composite layers (5) have four layers in total, and an inner layer board (4) is arranged between two adjacent composite layers (5), and the inner layer board (4) has three layers in total.
7. An environment-friendly and sound-insulating furniture composite board according to claim 1, wherein the composite layers (5) have eight layers in total, and an inner layer board (4) is arranged between two adjacent composite layers (5), and the inner layer board (4) has seven layers in total.
8. A method of producing an environmentally sound insulating furniture composite panel according to any of claims 1 to 7, comprising the steps of:
s1: selecting materials, namely selecting a PVC film (2) with the thickness of less than 0.1mm, paint, two metal plates with different thicknesses, a polyurethane foam block, bonding mortar and a calcium carbonate saturated solution;
s2: pretreating metal plates, wherein holes in any shape are formed in two metal plates with different thicknesses, the opening rate is 1% -3%, and a thick metal hole plate and a thin metal hole plate are formed;
s3: pretreating a polyurethane foam block, soaking the polyurethane foam block in a calcium carbonate solution, taking out, and rolling for 3-5 times;
s4: assembling, namely stacking a thick metal pore plate, a polyurethane foam block, a thin metal pore plate, a polyurethane foam block and a thick metal pore plate from bottom to top in sequence to form a stacked structure;
s5: shaping, namely applying pressure to the stacked structure along the vertical direction to compress the stacked structure to the thickness of 2-7 cm, and keeping for 1-2 hours;
s6: and (5) decorating, namely pasting a PVC film (2) with the thickness of less than 0.1mm on the outer surface of the superposed structure, and brushing paint.
9. The method for producing an environmentally friendly acoustical furniture composite panel according to claim 8, wherein S4 includes the steps of:
s401: coating adhesive mortar on one surface of the thick metal pore plate, and stacking polyurethane foam blocks on the surface with the adhesive mortar;
s402: coating bonding mortar on one surface of the thin metal pore plate, and stacking the surface coated with the bonding mortar on the polyurethane foam block in a downward manner;
s403: and coating adhesive mortar on the upper surface of the thin metal pore plate, then stacking another polyurethane foam block, and stacking the other thick metal pore plate with the surface coated with the adhesive mortar facing downwards on the polyurethane foam block.
10. The method for producing an environment-friendly and sound-insulating furniture composite board according to claim 9, wherein S402 is repeated 1 to 7 times.
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Application publication date: 20200814 |